CN110967840B - headset - Google Patents

Abstract

The application provides a head-mounted device, relates to smart machine technical field. The head-mounted device comprises a housing, a strap assembly, and a tightness adjustment mechanism; a strap assembly connected to the housing, the strap assembly including first and second head straps, each of the first and second head straps having one end overlapping within the housing to form an overlapping portion and another end exposed outside the housing; the tightness adjusting mechanism is contained in the shell and provided with a ratchet and pawl mechanism, and the tightness adjusting mechanism is matched with the overlapped part through the ratchet and pawl mechanism so as to adjust the length of the overlapped part. The application provides a slack adjustment mechanism through overlapping the frenulum subassembly, then utilizes ratchet pawl mechanism to adjust the length of overlap portion to the realization is adjusted the elasticity of first headband and second headband.

Description

headset

technical field

The present application relates to the technical field of smart devices, and in particular, to a head-mounted device.

Background technique

Virtual Reality (VR) and Augmented Reality (AR) technologies can bring users a visual experience that is almost the same as the real scene, and are currently popular research fields. In order to enable users to better experience VR and AR technologies, VR and AR are usually displayed using head-mounted devices.

A head-mounted device is a wearable device that is worn on the user's head. After wearing, the display screen for VR or AR display is located in front of the user's eyes. By displaying corresponding content in the display screen in the head-mounted device, the regions corresponding to the left eye and the right eye of the wearing user can experience the display effect of VR or AR.

The head-mounted device uses a strap to assist in wearing. By adjusting the length of the strap, it is convenient and comfortable for the user to wear. Therefore, an adjustment device is required to complete the adjustment of the length of the strap.

SUMMARY OF THE INVENTION

One aspect of the present application provides a head-mounted device, the head-mounted device comprising:

case;

A strap assembly connected with the casing, the strap assembly includes a first headband and a second headband, and one end of each of the first headband and the second headband is overlapped and connected in the casing to an overlapping portion is formed, and the other end is exposed outside the casing; and

The tightness adjusting mechanism is accommodated in the housing, the tightness adjusting mechanism has a ratchet pawl mechanism, and the tightness adjusting mechanism cooperates with the overlapping portion through the ratchet pawl mechanism to adjust the overlap section length.

In another aspect, the present application provides a head-mounted device, the head-mounted device comprising:

host shell;

The tightness adjustment mechanism casing is arranged opposite to the host casing;

The first headband and the second headband are connected to the main body casing and the elastic adjustment mechanism casing to form an annular frame, and one end of each of the first headband and the second headband is provided with a length adjustment hole and is connected to each other. The stack is connected in the casing of the tightness adjusting mechanism, and the other end is placed outside the casing of the tightness adjusting mechanism and is connected with the casing of the main engine; and

The tightness adjusting mechanism is accommodated in the tightness adjusting mechanism casing, and the tightness adjusting mechanism includes:

a ratchet pawl mechanism; and

a knob assembly, the knob assembly extends into the ratchet pawl mechanism and the length adjustment holes of the first headband and the second headband to adjust the overlapping length of the first headband and the second headband .

In another aspect, the present application provides a head-mounted device, the head-mounted device comprising:

host shell;

The tightness adjustment mechanism casing is arranged opposite to the host casing;

A lace assembly is connected with the main body casing and the elastic adjustment mechanism casing to form an annular frame, the lace assembly includes a first headband and a second headband, each of the first headband and One end of the second headband is provided with a length adjustment hole and is overlapped and connected in the casing of the elastic adjustment mechanism, and the other end is placed outside the casing of the elastic adjustment mechanism and connected with the main body casing;

The tightness adjusting mechanism is accommodated in the tightness adjusting mechanism casing, and the tightness adjusting mechanism includes:

a ratchet pawl mechanism; and

a knob assembly extending into the ratchet pawl mechanism and the length adjustment holes of the first headband and the second headband to adjust the overlapping of the first headband and the second headband length; and

The force receiving member is installed on the annular frame.

The present application provides an elastic adjustment mechanism, which can adjust the tension of the first headband and the second headband by overlapping the tether assemblies and then adjusting the length of the overlapping portion by using a ratchet and pawl mechanism. .

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

1 is a perspective assembly view of a head-mounted device in an embodiment of the present application;

FIG. 2 is an exploded perspective view of the head-mounted device in FIG. 1;

3 is an exploded perspective view of the head-mounted device in FIG. 1 from another perspective;

4 is a perspective assembly view of a first housing component of a head-mounted device in an embodiment of the present application;

Figure 5 is an exploded perspective view of the first housing assembly in Figure 4;

Figure 6 is an enlarged perspective view of the main front casing of the first casing assembly in Figure 5;

Fig. 7 is a perspective view of the main front case from another perspective in Fig. 6;

Figure 8 is an enlarged perspective view of the main rear casing of the first casing assembly in Figure 5;

FIG. 9 is a perspective view of the main rear case from another perspective in FIG. 8;

Figure 10 is an enlarged perspective view of the mask of the first housing assembly in Figure 5;

Fig. 11 is a schematic diagram of another viewing angle of the mask in Fig. 10;

Figure 12 is an enlarged schematic view of the rear cover of the first housing assembly in Figure 5;

FIG. 13 is a schematic diagram of another perspective of the main shell decoration in FIG. 5;

Figure 14 is a perspective exploded schematic view of the optomechanical assembly in Figure 2;

Fig. 15 is a perspective view of the optical-mechanical support of the optical-mechanical assembly in Fig. 14;

16 is a schematic exploded perspective view of a camera assembly of a head-mounted device in an embodiment of the present application;

17 is a perspective assembly view of a camera assembly and an optomechanical support of the head-mounted device in an embodiment of the present application;

18 is a schematic exploded perspective view of a main board, a speaker assembly, and a microphone assembly of a head-mounted device in an embodiment of the present application;

Fig. 19 is a perspective exploded schematic view of the main board, the speaker assembly and the microphone assembly of Fig. 18 from another perspective;

20 is an exploded perspective view of the first housing assembly and the vision adjustment glasses of the head-mounted device according to the embodiment of the present application;

21 is a cross-sectional view of a first housing assembly, an optical-mechanical assembly, a camera assembly, a speaker, and a mainboard of the head-mounted device in FIG. 1;

22 is another cross-sectional view of the first housing assembly, the optical-mechanical assembly, the camera assembly, the speaker and the main board of the head-mounted device in FIG. 1;

23 is an exploded perspective view of the first housing assembly, the optomechanical assembly, the camera assembly, the speaker and the main board of the head-mounted device in FIG. 1;

Figure 24 is a perspective assembly view of the lace assembly and the second housing assembly in Figure 1;

Figure 25 is a perspective assembly view of the first headgear of the tether assembly in Figure 24;

Figure 26 is an exploded perspective view of the first headband in Figure 25;

Figure 27 is similar to Figure 26, and is an exploded perspective view of the first headband from another angle;

Figure 28 is an enlarged perspective view of the part A of the circle in Figure 2;

Fig. 29 is similar to Fig. 24, showing the mating relationship between the power supply FPC and the relevant elements of the second housing assembly in the tether assembly;

Figure 30 is a perspective assembled view of the second headgear of the tether assembly in Figure 24;

Figure 31 is an exploded perspective view of the second headband in Figure 30;

Figure 32 is similar to Figure 31, and is an exploded perspective view of the second headband from another angle;

Figure 33 is an enlarged perspective view of the part B of the circle in Figure 3;

Figure 34 is an exploded perspective view of the second housing assembly;

Figure 35 is a perspective assembly view of the second housing assembly;

Fig. 36 is a perspective assembly view of the middle bottom rear case of the second case assembly in Fig. 34, and shows the assembly relationship with the battery;

FIG. 37 is a diagram showing the assembly relationship between the bottom rear case and the power supply bracket in FIG. 36;

Fig. 38 is similar to Fig. 34, and is a perspective view of another angle of the bottom rear shell of Fig. 34;

FIG. 39 is an enlarged perspective view of the power supply bracket in FIG. 37;

Figure 40 is a perspective view of the connector in Figure 34;

Figure 41 is an exploded perspective view of the tightness adjustment mechanism;

Figure 42 is a perspective view of the first housing in Figure 41;

Figure 43 is an exploded perspective view of the pawl assembly of Figure 41;

Fig. 44 is similar to Fig. 43 and is an exploded perspective view of the pawl assembly in Fig. 41 from another angle;

Figure 45 is a partially assembled view of Figure 44;

Figure 46 is a perspective view of the two pawls in Figure 45;

FIG. 47 is a perspective view of the partial components of the pawl assembly in FIG. 41 assembled with the first housing;

Figure 48 is a partial structural assembly diagram of the lace assembly and the tension adjustment mechanism;

Figure 49 is an exploded perspective view of the knob assembly in Figure 41;

Fig. 50 is similar to Fig. 49 and is an exploded perspective view of the knob assembly in Fig. 41 from another angle;

Fig. 51 is similar to Fig. 48, and is a partial structural assembly view of the lace assembly and the elastic adjustment mechanism;

FIG. 52 is a perspective view of the first force-receiving member of the force-receiving assembly in FIG. 1 from another angle;

Fig. 53 is an exploded view of the second force receiving member of the force receiving assembly in Fig. 1 and the middle bottom front shell of the second housing assembly;

FIG. 54 is an exploded perspective view of the second force receiving member in FIG. 53 .

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearance of the phrase in various places in the specification is not necessarily all referring to the same embodiment, nor is it a separate or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

It should be pointed out that the terms "first", "second", etc. herein are only used for description purposes, and cannot be understood as indicating or implying relative importance or implying the number of indicated technical features. Thus, features defined as "first", "second" may expressly or implicitly include one or more of said features.

Referring to FIG. 1 , the head-mounted device 100 of the embodiment of the present application may include a first housing assembly 10 , a tether assembly 20 connected to both ends of the first housing assembly 10 , and a tightness adjustment mechanism connected to the tether assembly 20 40 . A second housing assembly 30 disposed on the lace assembly 20 and opposite to the first housing assembly 10 , and a force bearing assembly 50 disposed on the first housing assembly 10 and the second housing assembly 30 . Wherein, the first housing assembly 10, the strap assembly 20 and the second housing assembly 30 can form an elastic and adjustable frame, so that the head-mounted device 100 can be worn on the user's head. The force bearing components 50 are disposed on the upper and lower sides of the frame to share the weight of the head mounted device 100 borne by the user's head.

2 and 3 again, the head-mounted device 100 according to the embodiment of the present application may further include a host housed in the first housing assembly 10 , and the host may include an optical-mechanical assembly 60 , a camera assembly 70 , a main board 80 , and a speaker. assembly 91 and microphone assembly 92, etc. Since the first casing assembly 10 is used to accommodate and protect the host, the first casing assembly 10 may also be referred to as a host casing or a protective casing. The first housing assembly 10 and the host it accommodates can constitute a host assembly. The head mounted device 100 may be VR glasses, AR glasses, or the like. In the embodiments of this application, AR glasses are used as an example for description.

In the example of AR glasses, the head mounted device 100 may be configured to communicate data to and receive data from the external processing device through a signal connection, which may be a wired connection, a wireless connection, or a combination thereof. However, in other cases, the head mounted device 100 may be used as a stand-alone device, ie the data processing is performed on the head mounted device 100 itself. The signal connection may be configured to carry any kind of data, such as image data (eg, still images and/or full motion video, including 2D and 3D images), audio, multimedia, voice, and/or any other type of data. The external processing device may be, for example, a game console, personal computer, tablet computer, smartphone, or other type of processing device. The signal connection may be, for example, a Universal Serial Bus (USB) connection, a Wi-Fi connection, a Bluetooth or Bluetooth Low Energy (BLE) connection, an Ethernet connection, a cable connection, a DSL connection, a cellular connection (eg, 3G, LTE/4G or 5G) etc. or a combination thereof. Additionally, an external processing device may communicate with one or more other external processing devices via a network, which may be or include, for example, a local area network (LAN), a wide area network (WAN), an intranet, a metropolitan area network (MAN), the global Internet, or the like. combination.

The first housing assembly 10 of the head mounted device 100 may mount a display assembly, optics, sensors, a processor, and the like. In the example of AR glasses, the display components are designed to overlay an image on the user's view of their real world environment, eg, by projecting light into the user's eyes. Head mounted device 100 may also include an ambient light sensor, and may also include electronic circuitry to control at least some of the above-described components and perform associated data processing functions. Electronic circuitry may include, for example, one or more processors and one or more memories.

first housing assembly 10

Referring to FIG. 4 and FIG. 5 , a perspective assembly view and an exploded view of the first housing component 10 of the head-mounted device 100 in the embodiment of the present application are respectively shown. The first casing assembly 10 may include a main front casing 11 , a main rear casing 12 that is engaged with the main front casing 11 through a snap-fit connection, a face shield 13 disposed in front of the main front casing 11 , a mask 13 located below the main rear casing 12 and The rear cover 14 matched with the lower part of the mask 13 and the main shell decoration 15 covered on the top of the main front shell 11 .

Herein, description will be made with reference to the orientations "upper", "lower", "front", "rear", "left" and "right" as indicated in FIGS. 1 and 4 . It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", "Radial" ”, “circumferential” and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, construction and operation in a particular orientation, and therefore should not be construed as a limitation on the present application.

Main front shell 11 of first shell assembly 10

Referring to FIG. 6 , the main front case 11 may include a top panel 111 and a first side panel disposed on one side of the top panel 111 . The first side panel may include a first portion 112 disposed on the outer side of the top panel 111 and extending downward from both sides of the top panel 111 , a second portion 113 and a mounting panel 122 away from the main rear case 12 from the first portion 112 (see FIG. 8 ). ) extending connecting portion 114, the second portion 113 extends downward from the connecting portion 114. The cross section of the main front case 11 may be approximately in an inverted L shape. The main front shell 11 can be an integral injection-molded component to increase the structural strength of the main front shell 11 .

The top plate 111 may have a crescent shape as a whole, that is, the inner side surface 1111 of the top plate 111 is in an arc shape that roughly matches the contour of the user's forehead, and the outer side surface 1112 of the top plate 111 is also in an arc shape that is more curved than the inner side surface 111 . The two ends of the inner side 1111 and the two ends of the outer side 1112 are respectively close to each other, that is, the distance between the inner side 1111 and the outer side 1112 gradually decreases from the middle of the top plate 111 to the left and right sides. The top plate 111 can be arranged horizontally, and one or more receiving portions 1113 can be opened on both sides of the top plate 111 . For example, one accommodating portion 1113 is provided at the left front position of the top plate 111 , and one accommodating portion 1113 is provided at the right front position of the top plate 111 . The accommodating portion 1113 may be a groove for accommodating the key segment 1622 (refer to FIG. 18 ) of the key FPC (Flexible Printed Circuit, ie, a flexible circuit board, referred to herein as FPC) 162 . The accommodating portion 1113 can also partially accommodate the bottom portion of the side button 16 . When the side button 16 is pressed, the convex column 161 (see FIG. 7 ) below the side button 16 is used to press the button segment 1622 . In one embodiment, four side buttons 16 can be symmetrically installed on the top plate 111 away from the middle position and close to the left and right sides, that is, two side buttons 16 are arranged on one side. One or more through holes 1114 may also be opened on the top plate 111 for installation with other components. Among them, some through holes 1114 may have threads in them to cooperate with screws; other through holes 1114 may not have threads in them, so as to only allow screws to pass through. Referring to FIG. 7 , the lower surface 1115 of the top plate 111 may further be provided with one or more buckle structures 1116 near the inner side surface 1111 . In one embodiment, each locking structure 1116 is a hook. It can be understood that the buckle structures in the present application are not limited to hooks, bumps, slots, grooves, through holes, etc., as long as the two structures can be buckled together.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the text can be understood in specific situations.

The first portion 112 extends downward from both sides of the outer side surface 1112 of the top plate 111 , ie corresponds to the left and right sides of the user's eyes, so that the top view profile of the first portion 112 is the same arc shape as the outer side surface 1112 . The first part 112 is symmetrically disposed on both sides of the top plate 111 relative to the second part 113 . One or more channels 1160 for sound input can be provided on both sides of the first part 112 ; Each channel 1160 may be defined within a bump 116 . The entrance 1161 of the channel 1160 is located on the outer surface of the first portion 112 of the first side plate; for example, the entrances 1161 of the two channels 1160 may be located on the upper half of the first portion 112 of the first side plate. The outlet 1162 of the channel 1160 is located on the lower surface 1115 of the top plate 111 . Each channel 1160 may be located behind the receiving portion 1113 . The inlets 1161 of the two channels 1160 are located on the sides of the housing 10 and have opposite orientations. These channels 1160, also referred to as microphone holes, are used to pass sound into the microphone assembly 92 (see FIG. 18 ) disposed in the head mounted device 100, and then the microphone assembly 92 collects sound data of the user and/or the external environment. The left and right ends of the inner surface 1122 of the first portion 112 of the first side plate may also be provided with one or more protruding posts 1123 for connecting with the tether assembly 20 . In the assembly structure of the main front case 11 and the main rear case 12 , the protruding post 1123 is also located between the first part 112 and the mounting plate 122 . The protruding post 1123 can be provided with threaded holes for screwing in screws. The lower edge of the inner surface 1122 of the first portion 112 may also be provided with one or more snap structures 1124 . The first portion 112 can also extend upward from the outer side surface 1112 of the top plate 111 to form a ridge 1125 that matches the shape of the outer side surface 1112 , and the upward extending direction is the direction extending from the top plate 111 away from the bottom plate 121 (see FIG. 8 ). . The height of the ridge portion 1125 may be equivalent to the thickness of the main shell trim 15, so that the main shell trim 15 can be placed in the space defined by the top plate 111 and the ridge portion 1125, and the ridge portion 1125 The rear-facing side of the 15 contacts the front-facing side of the main shell trim 15 . The ridges 1125 may also be provided around the periphery of the main shell trim 15 . The connecting portion 114 extends forward from the first portion 112 , that is, extending away from the protruding post 1123 , and a step is formed on the connecting portion 114 , and one or more snap structures 1141 may be disposed on the step. In one embodiment, each buckle structure 1141 is a groove. The buckle structure 1141 can also be a bump, a hook, a slot, or the like. Two sides of the connecting portion 114 may be provided with guiding structures 1142, such as horizontally extending bosses. The guide structures 1142 and the snap-fit structures 1141 are used to cooperate and connect with the mask 13 .

Referring to FIG. 6 and FIG. 7 , the second portion 113 is disposed on the front side of the top plate 111 , corresponding to the position of the user's eyes, and is connected to the front end of the connecting portion 114 . The width of the middle position of the second portion 113 in the vertical direction may be wider than the width of the connecting portions 114 on both sides. A central through hole 1131 and two through holes 1132 on both sides of the through hole 1131 may be opened on the second part 113 for allowing the external light received by the camera to pass through.

As shown in FIG. 7 , one or more reinforcing ribs 115 may also be provided at the connection between the top plate 111 and the second part 113 to enhance the connection between the second part 113 and the top plate 111 .

Main rear shell 12 of first shell assembly 10

Referring to FIGS. 8 and 9 , the main rear case 12 may include a bottom plate 121 opposite to the upper and lower positions of the top plate 111 of the main front case 11 and a mounting plate 122 opposite to the front and rear positions of the first side plate of the main front case 11 . Plate 122 may also be referred to as a second side plate. The cross-section of the main rear shell 12 can be roughly L-shaped, and after matching with the inverted L-shape of the main front shell 11 , a accommodating chamber 17 is formed (see FIG. 22 ). The main rear shell 12 can be an integral injection-molded component to increase the structural strength of the main rear shell 12 . One or more reinforcing ribs 123 may also be provided at the connection between the bottom plate 121 and the mounting plate 122 to enhance the connection between the bottom plate 121 and the mounting plate 122 .

The bottom plate 121 can be roughly the same as the top plate 111 in a crescent shape, and two rectangular through-holes 1211 and 1212 are symmetrically opened on the bottom plate 121 for insertion of the waveguide sheet 63 (see FIG. 14 ) of the light supply unit 60 from above. Set to pass. The edge portion of the upper surface 1213 of the bottom plate 121 away from the mounting plate 122 is further provided with one or more buckle structures 1214 to cooperate with the buckle structures 1124 of the first part 112 of the main front shell 11 . One or more speaker sound holes 1215 may also be provided in the middle position on both sides of the bottom plate 121, that is, a first group of speaker sound holes including one or more speaker sound holes 1215 is opened in the middle position on one side of the bottom plate 121, And a second group of speaker sound holes including one or more speaker sound holes 1215 is opened in the middle position of the other side of the bottom plate 121 . When the user wears the head-mounted device 100 , the speaker sound outlet 1215 is close to the user's ear, so that the user can easily hear the sound played by the speaker provided in the head-mounted device 100 . A first magnet 1216 may also be disposed in the middle of the bottom plate 121 near the mounting plate 122 . Two grooves 1217 may be further provided on both sides of the lower surface of the bottom plate 121 away from the top plate 111 corresponding to the first magnet 1216 . The first group and the second group of speaker sound holes can be located on both sides of the two grooves 1217 respectively, and the first group and the second group of speaker sound holes are farther away from the back cover 14 than the two grooves 1217 .

One or more channels 1240 for sound input can also be opened on the bottom plate 121 . The channels 1240 can be opened in the middle of the bottom plate 121 and close to the position of the mounting plate 122 . For example, a channel 1240 is provided on the left side of the first magnet 1216 , and a channel 1240 is provided on the right side of the first magnet 1216 . The inlet 1241 of each channel 1240 is located on the lower surface of the bottom plate 121 , that is, on the bottom surface of the housing 10 . The inlets 1241 of both channels 1240 may be adjacent to the mounting plate 122 . The outlet 1242 of the channel 1240 is located on the upper surface 1213 of the bottom plate 121 . These channels 1240, which may be referred to as microphone holes, are used to pass sound into the microphone assembly 92 (see FIG. 18) disposed within the head mounted device 100, which in turn collects sound data of the user and/or the external environment.

In one embodiment, the distance between the two channels 1160 is greater than the distance between the two channels 1240; and, the distance between one of the channels 1160 and the adjacent channel 1240 is equal to the distance between the other channel 1160 and the adjacent channel 1240 The distance between adjacent another channel 1240.

The mounting plate 122 extends upward from the bottom plate 121 , and the mounting plate 122 may be in an arc shape that substantially matches the contour of the user's forehead. Through holes 1221 are defined on both sides of the mounting plate 122 for screws to pass through. One or more snap structures 1223 may be disposed on the upper edge of the outer side surface 1222 of the mounting plate 122 . In one embodiment, each clasp structure 1223 is a clasp, so as to cooperate with the clasp structure 1116 , such as a clasp, of the top plate 111 of the main front case 11 .

When the main front shell 11 and the main rear shell 12 are fastened together, the mounting plate 122 and the top plate 111 are connected by the buckle structure 1223 and the buckle structure 1116 ; the first part 112 and the bottom plate 121 are connected by the buckle structure 1124 and the buckle structure 1214 . The snap connection between the snap structure 1223 and the snap structure 1116 and the snap structure 1124 and the snap structure 1214 can achieve the effect of dismounting for later maintenance, and also avoid using too many screws for assembly and increase the weight of the product. In addition, in order to enhance the connection between the main front case 11 and the main rear case 12, the top plate 111 and the bottom plate 121 may also be fixed by screws, bolts, or the like.

The buckle structure 1116 and the buckle structure 1223 may constitute a first connection mechanism disposed between the top plate 111 and the mounting plate 122, and the buckle structure 1124 and the buckle structure 1214 may constitute a first connection mechanism disposed between the bottom plate 121 and the first side plate. The second connection mechanism, the first connection mechanism and the second connection mechanism make the main front case 11 and the main rear case 12 cooperate to form an accommodation chamber 17 for accommodating the main body of the head-mounted device 100 . In other embodiments, the first connection mechanism may be a threaded connection structure or an adhesive structure, and the second connection mechanism may be a threaded connection structure or an adhesive structure.

It should be noted that when the first housing assembly 10 is described alone (that is, when the second housing assembly 30 is not described), its main front shell 11 can also be referred to as a first shell, and its main rear shell 12 Also referred to as the second housing.

Face shield 13 of first housing assembly 10

Referring to FIG. 10 and FIG. 11 , the mask 13 may be translucent, and may include a mask part 131 , a mounting part 132 and a lens assembly 133 . The mask part 131 includes a left-right symmetrical first mask part 1311 , a second mask part 1312 , and a connecting part 1313 located in the middle of the first mask part 1311 and the second mask part 1312 .

The first mask part 1311 and the second mask part 1312 have optical properties of light transmittance, and at least meet the light transmittance properties at the two through holes 1132 corresponding to the second part 113 of the main front case 11, so as to achieve the following properties: external The light can pass through the first mask part 1311 and the second mask part 1312 , and the human eye cannot see the object inside the mask 13 from the outside. For example, the transmittance of the mask 13 is reduced by processing the mask 13 to achieve a translucent effect, so that the human eye cannot see the structure inside the mask 13, but the camera assembly 70 can receive external light from the inside of the mask 13, so that it can detect the outside. objects, etc. for imaging. The material of the mask 13 may include plastic or metal.

The connecting portion 1313 defines a through hole 1314 corresponding to the through hole 1131 of the second portion 113 . The mounting portion 132 extends rearward from the edge of the mask portion 131 , that is, toward the main front shell 11 . An edge of the mounting portion 132 away from the mask portion 131 may be provided with one or more snap structures 1321 , such as snap hooks or bosses. One or more guiding structures 1322 may be provided on the inner surfaces of the two sides of the mounting portion 132 , such as horizontally extending bosses or steps. The snap structures 1321 and the guide structures 1322 are used to cooperate with the snap structures 1141 and the guide structures 1142 of the connecting portion 114 of the main front case 11, respectively, so as to install the mask 13 on the main front case 11, for example, using The first mounting portion 132 is attached to the connecting portion 114 of the first side plate. When viewed from the front of the mask 13 , the coverage area of the mask 13 is larger than the coverage area of the main front case 11 . Therefore, when the mask 13 is installed on the main front shell 11, only the upper part of the mask 13 is attached to the first side plate of the main front shell 11 and is covered on the first side plate (for example, the mask part 131 The upper part of the mask 13 is covered on the second part 113 of the first side plate), and the lower part of the mask 13 is lower than the main front shell 11, that is, extends downward beyond the main front shell 11 (refer to FIG. 4), And correspondingly beyond the bottom plate 121 . A protective space is formed between the rear cover 14 and the lower portion of the mask 13 to protect the waveguide sheet 63 therebetween. The upper part of the mask 13 may be the upper half of the mask 13 , and the lower part of the mask 13 may be the lower half of the mask 13 .

The buckle structure 1321 of the mask 13 and the buckle structure 1141 of the connection part 114 can constitute a connection structure between the edge of the first mounting part 132 away from the mask part 131 and the connection part 114 . The buckle structure 1321 and the buckle structure 1141 snap connection. The guiding structure 1322 of the mask 13 and the guiding structure 1142 of the connecting part 114 may constitute a guiding structure between the surface of the first mounting part 132 facing the connecting part 114 and the connecting part 114 , and the guiding structure 1322 and the guiding structure 1142 slip fit.

The lens assembly 133 can be inserted into the through hole 1314 . The lens assembly 133 may include a lens holder 1331 , and a first lens 1332 and a second lens 1333 mounted on the lens holder 1331 . The lens holder 1331 may include a first through hole 1334 , a second through hole 1335 and a third through hole 1336 . The first through hole 1334 may be centrally disposed, and the second through hole 1335 and the third through hole 1336 are located on two sides of the first through hole 1334 . The first lens 1332 can be inserted and fixed in the first through hole 1334 from the rear. The second lens 1333 may include two lens parts 1338 corresponding to the second through hole 1335 and the third through hole 1336, respectively, and a through hole 1339 between the two lens parts. The second lens 1333 may be bonded on the front surface of the lens holder 1331 by the adhesive member 134 . An annular flange 1337 surrounding the first through hole 1334 , the second through hole 1335 and the third through hole 1336 can also be disposed on the front surface of the lens holder 1331 . The protruding length of the annular flange 1337 can be equal to the thickness of the second lens 1333 , so that the second lens 1333 can be accommodated in the space enclosed by the annular flange 1337 . The lens holder 1331 can be combined on the rear surface of the connecting portion 1313 by the adhesive member 135 , and the annular flange 1337 can be inserted into the through hole 1314 . The adhesive member 134 and the adhesive member 135 may be double-sided tape or the like.

In the assembled lens assembly 133 , the first lens 1332 is inserted into the first through hole 1334 and is opposite to the through hole 1339 ; the two lens portions 1338 are respectively opposite to the second through hole 1335 and the third through hole 1336 .

Back cover 14 of first housing assembly 10

Referring to FIG. 12 , the rear cover 14 may be transparent, and may include a light-transmitting portion 141 and a mounting portion 142 . The light-transmitting portion 141 has light-transmitting performance through the setting of optical characteristics, so that the light emitted by the optomechanical assembly 60 can pass through the light-transmitting portion 141 and enter the user's eyes. The light-transmitting portion 141 may be substantially parallel to the mask portion 131 of the mask 13 . The mounting portion 142 extends backward from the edges of the transparent portion 141 except for the upper edge, that is, extends away from the mask 13 , and the edge of the mounting portion 142 away from the transparent portion 141 extends outwards A flange 1421 is formed. Please also refer to FIG. 5 , the rear cover 14 can be assembled with the lower part of the mask 13 , and is correspondingly located under the bottom plate 121 ; wherein, the rear cover 14 can be approached toward the mask 13 , so that the light-transmitting portion 141 and the mounting portion 142 is inserted into the lower portion of the mask 13 until the flange 1421 abuts the end face of the mounting portion 132 of the mask 13 (see also FIG. 20 ). The part of the rear cover 14 in contact with the mask 13 and the main rear shell 12 can also be coated with adhesive to strengthen the connection. Since the waveguide sheet 63 (see FIG. 14 ) of the optomechanical assembly 60 usually contains glass material, which is relatively fragile, the waveguide sheet 63 is protected from both the outside and the inside by the mask 13 and the back cover 14 , so that the safety is higher , to avoid injury to the user's eyes due to accidental smashing of glass materials. In addition, the back cover 14 can be fully transparent, and its light transmittance is higher than that of common transparent materials, so that the user can clearly see the picture displayed by the waveguide sheet 63 after wearing the head-mounted device 100 .

Main case trim 15 of first case assembly 10

Referring to FIG. 13 , the main shell decoration 15 can be in the shape of a crescent as a whole, and the top surface 151 thereof can be arranged in a streamlined shape or smoothly, so as to increase the aesthetics of the appearance of the product. The main shell decoration 15 can be arranged on the top plate 111 to cover the top plate 111, that is, to cover the top of the main front shell 11, so the main shell decoration 15 can also be called a cover; The arcs of the opposite sides are also the same as the arcs of the inner side 1111 of the top plate 111 and the arc of the outer side 1112 of the top plate 111 , respectively. With reference to FIG. 5 , one or more button holes 152 can be opened on both sides of the main shell decoration 15 , and the number of the button holes 152 is the same as that of the side buttons 16 ; Two button holes 152 , two button holes 152 are provided at the right front position of the main shell decoration 15 . These key holes 152 are arranged vertically corresponding to the receiving portions 1113 on the top plate 111 of the main front case 11 . The four side buttons 16 are respectively disposed above the accommodating portions 1113 of the top plate 111 , and partially protrude from the main casing decoration 15 through the button holes 152 of the main casing decoration 15 , so that the user can press the side buttons 16 Press the operation to adjust various parameters of the head mounted device 100 . Since the four side buttons 16 are generally located at the left front and right front positions of the first housing assembly 10, it is convenient for the user to operate and use. A groove 154 is further formed in the center portion of the inner side surface 153 of the main shell decoration 15 . One or more protruding posts 156 protrude downward from the lower surface 155 of the main shell trim 15 , and these protruding posts 156 may have threaded holes. As mentioned above, the main shell trim 15 is used to be placed in the space defined by the top plate 111 of the main front shell 11 and the raised ridge 1125 ; wherein the protruding posts 156 of the main shell trim 15 can pass through the top plate 111 The through hole 1114 on the main front shell 11 can be fixed to the top plate 111 of the main front shell 11 .

Referring back to FIGS. 4 and 5 , when the first housing assembly 10 is assembled, the main front case 11 and the main rear case 12 pass through the buckle structure 1124 , the buckle structure 1116 , the buckle structure 1214 , the buckle The structures 1223 are snapped together to be assembled. The mask 13 can be installed in front of the main front case 11 by engaging the buckle structure 1321 and the buckle structure 1141 . The rear cover 14 can be approached toward the mask 13 and inserted into the lower part of the mask 13 . The main shell decoration 15 is then installed and covered on the top of the main front shell 11 .

Opto-mechanical components 60

Please refer to FIG. 14 , which shows a perspective view of the optomechanical assembly 60 of the head-mounted device 100 in the embodiment of the present application. The optomechanical assembly 60 may include an optomechanical support 61 , an optomechanical 62 and a waveguide sheet 63 .

The optomechanical support 61 may include a top plate 611 , a side plate 612 extending from one side of the top plate 611 , and two legs 613 extending from the top plate 611 and located on both sides of the top plate 611 and the side plate 612 .

The top plate 611 may be arranged horizontally. It should be noted that, the top plate 611 does not have to be a continuous and flat plate shape, and a concave portion may be provided at one or more positions to reduce the structural weight while satisfying the support strength. One or more through holes 6111 can be opened on the top plate 611 for mounting with other components. These through holes 6111 may be threaded or not. One or more elongated through holes 6112 may also be opened at the front position of the top plate 611 for the FPC to pass therethrough. The side plate 612 extends downward from the front edge of the top plate 611 , and the two legs 613 are respectively located on the left and right sides of the top plate 611 and extend downward. A through hole 6121 and a through hole 6122 are formed in the middle of the side plate 612, and a through hole is formed on both sides of the middle position of the side plate 612, namely a through hole 6125 and a through hole 6126. These through holes 6121, 6122, 6125 and 6126 can be used The camera assembly 70 is inserted there. The through hole 6121 and the through hole 6122 are disposed adjacent to each other, and the distance from the through hole 6121 to the through hole 6126 may be equal to the distance from the through hole 6122 to the through hole 6125 . The through hole 6121 and the through hole 6122 as a whole correspond to the central through hole 1131 opened on the second part 113 of the main front shell 11 , and the through hole 6125 and the through hole 6126 respectively correspond to the two holes opened on the second part 113 of the main front shell 11 . Through holes 1132, these through holes 1131 and 1132 are used to pass external light to be received by the camera assembly. A through hole 6131 may be defined at the lower end of each leg 613 .

The number of the optical machines 62 is two, and the number of the waveguide sheets 63 is also two. The two optical machines 62 and the two waveguide sheets 63 can be arranged on a connecting body 64 , that is, the optical machines 62 and the waveguide sheets 63 are held by the connecting body 64 . One or more through holes 641 may be formed on the connecting body 64 . These through holes 641 may or may not have threads therein. The two optical machines 62 can be symmetrically arranged in the accommodating chamber 17 .

A pad 65 may also be disposed under the connecting body 64 . The gasket 65 can be sleeved on the waveguide sheet 63 and abut against the lower surface of the connecting body 64 . The gasket 65 is used to be sandwiched between the connecting body 64 and the bottom plate 121 of the main rear case 12 during assembly, so as to avoid the rigid contact between the connecting body 64 and the main rear case 12 , thereby playing a protective role. The pad 65 may be a compressible or elastic material such as flexible rubber, foam, or the like.

Each opto-mechanical 62 may also be connected to a heat sink 621 within the containing chamber 17 for thermally conductive connection and heat dissipation to one or more heat sources 622 of the opto-mechanical 62 , such as LED lamps. In one embodiment, the heat dissipation fin 621 may include a first heat dissipation portion 6211 , a second heat dissipation portion 6212 and a third heat dissipation portion 6213 . The first heat dissipation part 6211 and the second heat dissipation part 6212 can be connected together, and the top surface of the first heat dissipation part 6211 and the top surface of the second heat dissipation part 6212 can be coplanar, and the third heat dissipation part 6213 The junction of the heat dissipation portion 6211 and the second heat dissipation portion 6212 extends laterally. For example, the third heat dissipation portion 6213 may extend vertically from the connection between the first heat dissipation portion 6211 and the second heat dissipation portion 6212 . The second heat dissipation portion 6212 can be connected to one heat source 622 for heat dissipation; the third heat dissipation portion 6213 can be connected to another heat source 622 for heat dissipation. The first heat dissipation part 6211 , the second heat dissipation part 6212 and the third heat dissipation part 6213 of the heat dissipation fin 621 can be arranged separately from each other, or can be set as an integral structure to facilitate assembly; in addition, the heat dissipation fin 621 can also be extended to the optomechanical assembly 60 . And/or in the inner space of the first housing assembly 10, and more heat-generating components can be simultaneously dissipated by contacting other heat-generating components. For example, the first heat sink portion 6211 of the heat sink 621 may extend rearward to thermally conductively connect with the power source FPC 213 (see FIG. 28 ) or the second heat sink 225 (see FIG. 33 ) of the tether assembly 20 . At least one of the heat sink 621 and the second heat sink 225 may include a graphite sheet.

Each optical machine 62 can be a projector. The optical machine 62 provides light to the waveguide sheet 63 including information and/or images for providing enhanced user viewing of the physical world. The light from the optomechanical 62 can be coupled into the waveguide sheet 63, the light undergoes total internal reflection in the waveguide sheet 63, and then the light is coupled out from the waveguide sheet 63 so that the light can be seen by the user.

During assembly, screws can be used to pass through the through holes 6111 of the top plate 611 and the through holes 641 of the connecting body 64 , thereby fixing the optomechanical support 61 , the optomechanical 62 and the waveguide sheet 63 together. It should be noted that, in the assembled optomechanical assembly 60 , a receiving space is defined between the connecting body 64 and the side plate 612 of the optomechanical bracket 61 for storing a part of the camera assembly 70 .

Please refer to FIG. 15 , which shows another perspective view of the optomechanical support 61 of the optomechanical assembly 60 in FIG. 14 . As shown in FIG. 15 , on the rear side of the side plate 612 , and on both sides of the middle position where the through holes 6121 and 6122 are defined, a snap slot 6123 and an abutment portion 6124 are respectively provided. The position may be higher than the position of the abutment portion 6124 . The abutting portion 6124 can have a flat surface and can open a threaded hole. On the rear side of the side plate 612, a slot 6127 is provided on one side of the position where the through hole 6125 is defined, and a slot 6128 and an abutting portion 6129 are provided on the other side of the position. The card slot 6128 and the abutting portion 6129 may be directly adjacent to each other. The top of the card slot 6127 is flush with the top of the card slot 6128 , but the length of the card slot 6127 extending downward is greater than the length of the card slot 6128 extending downward. The abutting portion 6129 may have a flat surface and may have a threaded hole. The position of the card slot 6128 may be higher than the position of the abutting portion 6129 . On the rear side of the side plate 612, and at the position where the through hole 6126 is defined, there is a card slot and abutment portion that are the same as or similar to the card slot 6127, the card slot 6128 and the abutment portion 6129, which will not be discussed herein. Repeat.

camera assembly 70

Please refer to FIG. 16 , which shows the camera assembly 70 of the head mounted device 100 in the embodiment of the present application. The camera assembly 70 is installed on the optomechanical bracket 61 of the optomechanical assembly 60 and may include a TOF (Time of flight, TOF for short) camera 71 , an RGB camera 72 , and two fisheye cameras 73 for fixing the TOF camera. 71 and the first camera bracket 74 of the RGB camera 72 and the two second camera brackets 75 for fixing the two fisheye cameras 73 respectively.

The TOF camera 71 may include a light emitting module 711 , a photosensitive receiving module 712 , an FPC 713 and a heat sink 714 . Both the light transmitting module 711 and the light receiving module 712 are connected to the FPC 713 . The light emitting module 711 has a front end, which can also serve as the front end of the TOF camera 71 . The heat sink 714 is connected to the FPC 713, for example, is attached to the rear surface of the FPC 713, so as to dissipate heat. The heat sink 714 has a rear side, which can also serve as the rear side of the TOF camera 71 . When the TOF camera 71 is working, the light emitting module 711 is used to emit a modulated light beam, and the light beam is reflected by the target object and then received by the photosensitive receiving module 712, and the photosensitive receiving module 712 can obtain the flight time of the light beam in space through demodulation, Then calculate the distance of the corresponding target object. Therefore, through the TOF camera 71, when the user wears the head-mounted device 100 and walks around in an environment such as a room, the shape and model of the room can be modeled; that is, by measuring each point to the The distance of the head-mounted device 100 can determine the shape and model of the room where the user is located, so as to construct a scene.

The RGB camera 72 can be used to collect two-dimensional color images, capture the color difference of images, etc. It is connected to the TOF camera 71 and can be fixed by the first camera bracket 74 . The RGB camera 72 may include a camera body 721 and an FPC 722 . The camera body 721 has a front end portion, which can also serve as the front end portion of the RGB camera 72 . The camera body 721 is connected to the FPC 722 . The FPC 722 and the FPC 713 may be connected together at the upper end. The heat sink 714 can also be connected to the FPC 722, for example, attached to the rear surface of the FPC 722 for heat dissipation. The rear side of the heat sink 714 can also serve as the rear side of the RGB camera 72 .

A pad 76 can also be sleeved on the front ends of the TOF camera 71 and the RGB camera 72 . The gasket 76 is used to be clamped between the TOF camera 71 and the RGB camera 72 and the side plate 612 of the optomechanical bracket 61 during assembly, so as to avoid the hard contact between the TOF camera 71 and the RGB camera 72 and the optomechanical bracket 61, so as to play a protective role . The pad 76 may be a compressible or elastic material such as flexible rubber, foam, or the like.

Each fisheye camera 73 may include a camera body 731 , a camera mounting plate 732 and an FPC 733 . The camera body 731 has a front end portion, and the front end portion can also serve as the front end portion of the fisheye camera 73 . The camera body 731 is connected to the FPC 733 and mounted on the camera mounting plate 732 . The FPC 733 has a rear side, and the camera mounting plate 732 also has a rear side; the FPC 733 or the camera mounting plate 732 can be arranged close to the second camera bracket 75, and its corresponding rear side can be used as the rear side of the fisheye camera 73. The camera mounting plate 732 may include a main body part 7321 , a first insertion part 7322 and a second insertion part 7323 . The main body portion 7321 is used to carry the camera main body 731 . For example, the camera main body 731 can be fixed on the main body part 7321 through a glue dispensing process or screws. The first insertion portion 7322 and the second insertion portion 7323 are located on two sides of the main body portion 7321 respectively. In the up-down direction, the first inserting portion 7322 and the second inserting portion 7323 may be located at the upper middle position of the main body portion 7321 , that is, the first inserting portion 7322 and the second inserting portion 7323 and the main body portion 7321 The connection location is near the top of the main body part 7321. The side of the first inserting portion 7322 may include a semi-cylindrical portion, and the side of the second inserting portion 7323 may also include a semi-cylindrical portion.

In one embodiment, the TOF camera 71 and the RGB camera 72 are disposed adjacent to each other and receive external light through the first through hole 1131 , and the two fisheye cameras 73 are located on both sides of the TOF camera 71 and the RGB camera 72 . The two fisheye cameras 73 are mainly used for cooperative imaging. Of course, the positional arrangement of these cameras is not limited to this, and can be adjusted according to actual needs. In addition, the types of cameras are not limited to this, and different types of cameras can be selected according to actual needs.

Using different cameras and different arrangement positions will make the imaging principles and effects different. For example, the TOF camera 71, the RGB camera 72 and the two fisheye cameras 73 can complement each other; the fisheye camera 73 has a larger shooting angle and can be a wide-angle camera, but its resolution can be relatively low. The resolution of the RGB camera 72 may be relatively high, but its shooting angle may be relatively small. By combining the RGB camera 72 and the fisheye camera 73, a larger shooting angle and a clearer image can be formed.

The first camera bracket 74 is located behind the TOF camera 71 and the RGB camera 72 to install the two TOF cameras 71 and the RGB camera 72 on the optomechanical bracket 61 of the optomechanical assembly 60 . The first camera bracket 74 may include a middle portion 741 , a plug portion 742 and a fixing portion 743 . The middle portion 741 has a pressing surface facing the TOF camera 71 and the RGB camera 72 , and the pressing surface may include two flat surfaces, namely, a first flat surface 7411 and a second flat surface 7412 . The inserting portion 742 and the fixing portion 743 are respectively located on both sides of the middle portion 741; wherein, in the up-down direction, the inserting portion 742 and the fixing portion 743 may be located at different height positions on both sides of the middle portion 741, for example, the inserting portion The position of 742 may be higher than that of the fixing portion 743 . The side edge of the plug-in portion 742 may include a semi-cylindrical portion to facilitate rotation in the slot 6123 . The fixing portion 743 has a through hole 744 .

The two second camera brackets 75 are symmetrically arranged, and are respectively located behind the two fisheye cameras 73 . Each second camera bracket 75 may include a middle portion 751 , a plug portion 752 and a fixing portion 753 . The middle portion 751 is connected between the insertion portion 752 and the fixing portion 753 , and is disposed away from the fisheye camera 73 from the insertion portion 752 and the fixing portion 753 . The inserting portion 752 and the fixing portion 753 are located on two sides of the middle portion 751 respectively. In the up-down direction, the insertion part 752 and the fixing part 753 may be located at the same or different height positions on both sides of the middle part 751; for example, the insertion part 752 may be located in the middle of one side of the middle part 751 or at a lower middle position , that is, the connection position between the plug portion 752 and the middle portion 751 is located between the top and bottom of the middle portion 751 or close to the bottom of the middle portion 751 ; The side edge of the plug-in portion 752 may include a semi-cylindrical portion to facilitate rotation in the slot 6127 . The fixing portion 753 has a through hole 754 .

15 , 16 and 17 together, when the TOF camera 71 and the RGB camera 72 are assembled to the optomechanical assembly 60 , the TOF camera 71 and the RGB camera 72 are fixed on the optomechanical assembly 60 through the first camera bracket 74 on the optical machine bracket 61. Specifically, the TOF camera 71 and the RGB camera 72 can be inserted into the through holes 6121 and 6122 of the optomechanical bracket 61 from the rear, and then the plug portion 742 can be inserted into the card slot 6123 of the optomechanical bracket 61, and The TOF camera 71 can be obtained by pressing the fixing part 743 against the abutting part 6124 , and then using a screw to pass through the through hole 744 of the fixing part 743 , and then screwing it into the threaded hole of the abutting part 6124 of the optical machine bracket 61 . The RGB camera and the RGB camera 72 are installed on the optical-mechanical bracket 61 , so that the middle part 741 is pressed against the rear side of the TOF camera 71 and the RGB camera 72 . In the assembled state of the camera assembly 70 and the optomechanical assembly 60 in the first housing assembly 10 , the front end of the photosensitive receiving module 712 of the TOF camera 71 is inserted into the through hole 6121 of the optomechanical bracket 61 . The front end of the photosensitive receiving module 712 also corresponds to the through hole 1131 of the second part 113 of the main front case 11 and corresponds to a lens part 1338 of the second lens 1333 of the lens assembly 133 . The front end of the light emitting module 711 of the TOF camera 71 is inserted into the through hole 6121 of the optomechanical bracket 61 . The front end of the light emitting module 711 also corresponds to the through hole 1131 of the second part 113 of the main front case 11 and corresponds to the first lens 1332 of the lens assembly 133 . The front end of the RGB camera 72 is inserted into the through hole 6122 of the optomechanical bracket 61 . The front end of the RGB camera 72 also corresponds to the through hole 1131 of the second part 113 of the main front case 11 and corresponds to another lens part 1338 of the second lens 1333 of the lens assembly 133 .

When the fisheye camera 73 is assembled to the optomechanical assembly 60 , the two fisheye cameras 73 are respectively fixed on the side plate 612 of the optomechanical bracket 61 of the optomechanical assembly 60 through two second camera brackets 75 . Specifically, the camera body 731 of each fisheye camera 73 can be inserted into the through hole 6125 or 6126 of the optomechanical bracket 61 from the rear, and then the first plug-in portion 7322 and the second plug-in portion of the camera mounting plate 732 can be inserted 7323 are respectively and simultaneously inserted into the card slots 6127 and 6128 of the optical machine bracket 61, and then the camera body 731 and the camera mounting plate 732 are fixed together with screws. Then, the plug-in portion 752 of the second camera bracket 75 can be inserted into the slot 6127 of the optical-mechanical bracket 61 , and a screw is passed through the through hole 754 of the fixing portion 753 , and then screwed into the abutment portion 6129 of the optical-mechanical bracket 61 . The fisheye camera 73 can be installed on the optomechanical bracket 61 in the threaded hole of the threaded hole, and then the middle part 751 can be pressed against the rear side of the fisheye camera 73 . The insertion portion 752 of the second camera bracket 75 and the first insertion portion 7322 of the camera mounting plate 732 are in contact with each other in the card slot 6127 .

By fixing the TOF camera 71 , the RGB camera 72 and the fisheye camera 73 through the above structure, some fixing screws can be omitted, which improves the assembly efficiency.

Since the TOF camera 71 , the RGB camera 72 and the fisheye camera 73 are all mounted on the optomechanical bracket 61 , the optomechanical bracket 61 may also be called a mounting base.

In the assembled state of the camera assembly 70 and the optomechanical assembly 60 in the first housing assembly 10 , the front end of one of the fisheye cameras 73 is inserted into the through hole 6125 of the optomechanical bracket 61 and corresponds to the second part of the main front shell 11 One through hole 1132 of 113 to receive external light; the front end of the other fisheye camera 73 is inserted into the through hole 6126 of the optomechanical bracket 61, and corresponds to the other through hole 1132 of the second part 113 of the main front shell 11, to receive external light.

In addition, the upper end formed by the connection of the FPC 722 and the FPC 713 may pass through an elongated through hole 6112 of the top plate 611 and be exposed on the top of the top plate 611 . Likewise, the FPCs 733 of the two fisheye cameras 73 may pass through the elongated through holes 6112 on both sides of the top plate 611 and be exposed on the top of the top plate 611 .

Main board 80 , speaker assembly 91 and microphone assembly 92

Please refer to FIG. 18 and FIG. 19 , which show an exploded perspective view of the main board 80 , the speaker assembly 91 and the microphone assembly 92 of the head mounted device 100 in the embodiment of the present application.

The main board 80 is mounted on the opto-mechanical assembly 60 , which may include a PCB (Printed Circuit Board, hereinafter collectively referred to as a PCB) 81 and one or more chips 82 and one or more protective covers disposed on the PCB 81 83 and one or more heat sinks 84 .

The PCB 81 can be a substrate with printed circuits, which can be used as a carrier for electrical connection of electronic components. The chips 82 can be mounted on the PCB 81 , and some of the chips 82 can be covered by one or more protective covers 83 for protection. The cooling fins 84 may be disposed on the outer surface of the protective cover 83 to dissipate heat. The heat sink 84 may be a graphite heat sink.

The left and right sides of the PCB 81 can also be connected to two button FPCs 162 respectively. Each key FPC 162 may include a connection segment 1621 , a key segment 1622 , and a bent segment 1623 disposed between the connection segment 1621 and the key segment 1622 . The connection section 1621 is used for connection with the PCB 81 . When the mainboard 80 is assembled in the first housing assembly 10 , each button FPC 162 can be folded upwards so that the button segments 1622 are arranged in the receiving portion 1113 of the top plate 111 of the main front shell 11 , so that the side buttons 16 can be accessed from under the side buttons 16 . The protruding post 161 presses the button segment 1622 .

An opto-mechanical FPC 623 can also be connected to the left side of the PCB 81 . The optomechanical FPC 623 is used to connect the left optomechanical 62 to the PCB 81 . Similarly, an opto-mechanical FPC (not shown) can be connected to the right side of the PCB 81 for connecting the right opto-mechanical 62 to the PCB 81 .

As shown in FIG. 18 , the speaker assembly 91 may include a first speaker 911 and a second speaker 913 . The first speaker 911 may be located on the left side of the main board 80 , and the second speaker 913 may be located on the right side of the main board 80 . In the assembled structure, the first speaker 911 can be connected to the left end of the PCB 81 and is located below the button FPC 162 on the left side; the second speaker 913 can be connected to the right end of the PCB 81 and located below the button FPC 162 on the right side . The first speaker 911 may extend rearward from the left end of the PCB 81 , and the second speaker 913 may extend rearward from the right end of the PCB 81 .

In one embodiment, the accommodating chamber 17 defined by the first housing assembly 10 may include a first chamber for accommodating the main board 80 and a second chamber and a third chamber on opposite sides of the first chamber. The first speaker 911 may be located in the second chamber and connected to one end of the main board 80 , and the second speaker 913 may be located in the third chamber and connected to the other end of the main board 80 .

The second speaker 913 may include a sound cavity box 9131 and a speaker body 9132 placed in the sound cavity box 9131 , the sound cavity box 9131 is used to provide a certain sound cavity, so that the sound emitted by the speaker body 9132 can be inside the sound cavity box 9131 Convolution, which in turn enables the user to hear good sound effects. The first speaker 911 may have the same structure as the second speaker 913 , that is, the first speaker 911 may include a sound cavity box 9111 and a speaker body 9112 placed in the sound cavity box 9111 (see FIG. 19 ). The first speaker 911 can be installed at the left rear end of the mainboard 80 and can be connected to the mainboard 80 through wires or FPC (not shown). Likewise, the second speaker 913 can be installed at the right rear end of the main board 80 and can be connected to the main board 80 through wires or FPC (not shown). It is worth noting that when the main board 80 and the speaker assembly 91 are assembled in the first housing assembly 10, the first speaker 911 and the second speaker 913 are respectively located at two corners of the first housing assembly 10; The loudspeaker 911 and the second loudspeaker 913 correspond to the loudspeaker sound outlet holes 1215 opened on the bottom plate 121 of the first housing assembly 10 , and are used for outputting the sound emitted by the first loudspeaker 911 and the second loudspeaker 913 . For example, the first speaker 911 and the second speaker 913 may also be located below the corresponding side buttons 16 , for example, the first speaker 911 corresponds to at least one side button 16 in a direction perpendicular to the top plate 111 , and the second speaker 913 is at least one side button 16 . At least one side button 16 corresponds to a direction perpendicular to the top plate 111 . Since the spaces at the two corner positions of the first housing assembly 10 are utilized, the structure is compact and the sound effect can also be improved.

In one embodiment, the microphone assembly 92 may include a first microphone 921 , a second microphone 923 , a third microphone 925 and a fourth microphone 927 , all of which are disposed in the accommodating chamber 17 .

The first microphone 921 can be connected to the PCB 81 through the power supply FPC 213 (see FIG. 28 ), and the second microphone 923 can be connected to the PCB 81 through the FPC 924 . In one embodiment, the first microphone 921 can be connected to the PCB 81 through wires or a separate FPC. Wherein, the first microphone 921 and the second microphone 923 can be respectively disposed on both sides of the PCB 81; for example, when the main board 80 is installed in the first housing assembly 10, the first microphone 921 corresponds to the main front housing 11 The outlet 1162 of a channel 1160 at the front left position of the first part 112 is used to receive external sounds through this channel 1160, and the second microphone 923 corresponds to the outlet 1162 of a channel 1160 at the front right position of the first part 112 of the main front shell 11, so as to The external sound is received through this one channel 1160 . The first microphone 921 can also be supported by the first speaker 911 or fixed on the first speaker 911 . The second microphone 923 may also be supported by or fixed on the second speaker 913 .

The third microphone 925 and the fourth microphone 927 can be disposed at the lower position of the middle portion of the PCB 81 and correspond to the outlets 1242 of the two channels 1240 on the bottom plate 121 of the main rear case 12 respectively, so as to pass through the two channels 1240 respectively. Receive outside sounds. Since the positions of the third microphone 925 and the fourth microphone 927 may be lower than the PCB 81 , a support member 929 may be disposed between the PCB 81 and the third microphone 925 and the fourth microphone 927 . That is, the third microphone 925 and the fourth microphone 927 may be supported by the supporter 929 , and the supporter 929 may be fixed on the PCB 81 . The third microphone 925 can be connected to the PCB 81 through the FPC 926 , and the fourth microphone 927 can be connected to the PCB 81 through the FPC 928 . In one embodiment, the FPC 926 and the FPC 928 can be combined with the FPC 713 of the camera assembly 70 and then connected to the PCB 81 . In other embodiments, the FPC 926 and the FPC 928 may also be connected to the PCB 81 respectively, or the FPC 926 and the FPC 928 may be combined and then connected to the PCB 81 .

By arranging the microphone assemblies 92 in this way, the mutual interference between them is smaller, and the directivity difference is larger.

Vision Adjustment Glasses 93

Please refer to FIG. 20 , which shows the fitting and installation relationship between the first housing component 10 of the head-mounted device 100 and the vision-adjusting glasses 93 in the embodiment of the present application. The vision adjustment glasses 93 may include a frame 931 , a first lens 932 , a second lens 933 and a second magnet 934 . The first lens 932 is a left-eye lens, the second lens 933 is a right-eye lens 933 , and the first and second lenses 932 and 933 are mounted on the frame 931 . The second magnet 934 is installed in the middle position above the mirror frame 931 to correspond to the first magnet 1216 (see FIG. 8 ) on the main rear case 12 and attract each other. Two protrusions 935 may also be provided on the left and right sides of the second magnet 934 above the mirror frame 931 . The two protrusions 935 are used to correspond to the two grooves 1217 (see FIG. 9 ) on the main rear case 12 , that is, to be inserted into the two grooves 1217 respectively.

The vision adjustment glasses 93 are detachably mounted on the first housing assembly 10 and are positioned between the user's eyes and the back cover 14 when in use. Specifically, the two protrusions 935 of the vision adjusting glasses 93 can be inserted into the two grooves 1217 on the main rear case 12 respectively, while the second magnet 934 on the frame 931 is close to the first magnet on the main rear case 12 1216 to achieve mutual attraction, thereby connecting the vision adjustment glasses 93 to the first housing assembly 10 .

The positioning of the vision adjusting glasses 93 can be achieved through the cooperation of the two grooves 1217 and the two protrusions 935 , and the vision adjusting glasses 93 can be fixed by the attractive force of the second magnet 934 and the first magnet 1216 . The first lens 932 and the second lens 933 can be myopia lenses or hyperopia lenses. The vision adjustment glasses 93 of various degrees can be configured to meet the needs of users with different visions. Therefore, with this structure, the eyesight adjustment glasses 93 can be disassembled, and it is convenient for users to replace the vision adjustment glasses 93 according to their own vision conditions.

Assembly of the front part

Please refer to FIG. 21 to FIG. 23 , which show schematic diagrams of the assembly relationship of the first housing assembly 10 , the optomechanical assembly 60 , the camera assembly 70 , the main board 80 and the speaker assembly 91 of the head mounted device 100 in the embodiment of the present application.

Among them, as shown in FIGS. 21 and 22 , the TOF camera 71 , the RGB camera 72 and the two fisheye cameras 73 of the camera assembly 70 are fixed on the optomechanical bracket 61 of the optomechanical assembly 60 , thereby realizing the camera assembly 70 and the optomechanical Assembly of assembly 60 .

The main board 80 can be arranged above the top plate 611 of the optomechanical support 61, and the main board 80 and the optomechanical support 61 are screwed together with screws. 16, 21 and 22, the upper end formed by connecting the FPC 722 and the FPC 713 together and the upper end of the FPC 733 can be connected to the motherboard 80 to realize power-on and/or signal transmission.

21 and 23, the main front shell 11 and the main board 80 can be fixed. For example, as shown in FIG. 6 , screws are passed through some through holes 1114 of the main front case 11 , and then screwed onto the main board 80 .

Referring to FIG. 23 , after the first speaker 911 and the second speaker 913 are connected to the main board 80 , they can be further fixed on the main front case 11 by screws, for example, on the top plate 111 .

22 and 23, the two rectangular through holes 1211 and 1212 on the bottom plate 121 of the main rear case 12 can be aligned with the two waveguide sheets 63 of the optomechanical assembly 60, so that the two The waveguide sheet 63 extends downward from the accommodating chamber 17 through the two rectangular through holes 1211 and 1212 respectively, and then passes through the through hole 1114 of the main front shell 11 (see FIG. The through holes 6131 (see FIG. 14 ) of the legs 613 are then screwed into the bottom plate 121 of the main rear case 12 , thereby fixing the optomechanical assembly 60 , the camera assembly 70 and the main board 80 between the main front case 11 and the main rear case 12 . In addition, as shown in FIG. 21 , the main front shell 11 can be snap-fitted with the clip structure 1223 of the main rear shell 12 through the clip structure 1116 , so as to fasten the main front shell 11 and the main rear shell 12 together, and A receiving chamber 17 is defined between them. Of course, the connection structure can also be reinforced by more screws, and the optical-mechanical support 61 can also be fixed to the top plate 111 of the main front case 11 through a connection structure such as screws.

21 and 23, set the side buttons 16 on the receiving portion 1113 of the main front shell 11, and then place the main shell decoration 15 on the top plate 111 of the main front shell 11, and make the side buttons 16 pass through The key hole 152 of the main shell decoration 15 partially protrudes from the main shell decoration 15 . The main case trim 15 can also be fastened to the main front case 11 by screws.

As shown in FIG. 21 and FIG. 23 , the mask 13 can approach the main front shell 11 and be fastened on the connecting portion 114 . The rear cover 14 can be approached toward the mask 13 and inserted into the lower part of the mask 13, so that the two waveguide sheets 63 are accommodated between the mask part 131 of the mask 13 and the light-transmitting part 141 of the rear cover 14, so that the its protection.

As shown in FIG. 23 , according to user needs, the eyesight adjustment glasses 93 can be installed on the main rear case 12 of the first housing assembly 10 and located between the user's eyes and the rear cover 14 during use.

Lace Assembly 20

Please refer to FIG. 24 , which shows a perspective assembly view of the lace assembly 20 and the second housing assembly 30 according to the embodiment of the present application. The strap assembly 20 may include two headbands, a first headband 21 and a second headband 22, respectively.

Please refer to FIG. 1 and FIG. 4 at the same time, one end of the first headband 21 is connected to the corresponding end of the first housing assembly 10 , and the other end of the first headband 21 protrudes from the corresponding end of the second housing assembly 30 Further, it is connected with the tightness adjusting mechanism 40 . The second headband 22 can be installed in a similar installation manner as the first headband 21 .

first headband 21 of strap assembly 20

Please refer to FIG. 25 and FIG. 26 , which show a three-dimensional assembly view and an exploded view of the first headband 21 according to the embodiment of the present application. The first headband 21 may include a first headband body 210 , a first headband cover 211 that is fastened together with the first headband body 210 , and a first headband cover 211 pressed between the first headband body 210 and the first headband cover 211 . The first flexible strip 212 , the power FPC 213 , the protection sheet 214 and the first heat sink 215 between them.

The first headband body 210 can be made of flexible material and can be bent arbitrarily, and is generally elongated, and can include a first body portion 2101 and a first mounting portion 2102 extending from one end of the first body portion 2101 .

The width of the first main body portion 2101 is uniform, and a length adjustment hole 2103 is formed at one end away from the first installation portion 2102 . The length adjustment hole 2103 is a bar-shaped through hole. The first saw teeth 2104 extending in the length direction are used to cooperate with the elastic adjusting mechanism 40 .

Please refer to FIG. 27 , which discloses an exploded perspective view of the first headband 21 according to the embodiment of the present application from another perspective. The first main body portion 2101 may be provided with a long groove in the same shape as the first headband 21 on the side pressed against the first headband cover 211 , and the groove may be divided into two, namely the first groove. The groove 2105 and the second groove 2106 connected with the first groove 2105, wherein the depth of the first groove 2105 is the same as the depth of the second groove 2106, but the width of the first groove 2105 is wider than that of the second groove 2106 Wide, the groove extends from the position adjacent to the length adjustment hole 2103 to the position of the first mounting portion 2102 . The second groove 2106 is a stepped groove, and the outermost groove can be used to accommodate the first flexible strip 212 . The first main body portion 2101 is provided with first connecting members 2107 on two side edges of the first groove 2105 . In one embodiment, the first connecting members 2107 are a plurality of evenly arranged hooks. The first main body portion 2101 is provided with a first fixing portion 2108 in the first groove 2105 . The first fixing portion 2108 can be a plurality of protruding ribs with gradual thickness, each protruding rib has an inclined top surface, and one end of the protruding ribs abuts against the first mounting portion 2102 .

A plurality of first limiting posts 2109 are disposed in the grooves of the first body portion 2101 to fix the power supply FPC 213 , the protection sheet 214 and the first heat sink 215 .

The first mounting portion 2102 is provided with two first connection holes 2100 . A recess 2102 a is formed between the two first connection holes 2100 .

Referring to FIG. 26 , the first headband cover 211 can be made of a rigid material, and is used to fasten the first headband body 210 on the side of the first headband body 210 close to the first mounting portion 2102 , and fasten the first headband body 210 to the first headband body 210 . One end of the strip 212 close to the first mounting portion 2102 is pressed.

The first headband cover 211 may include a first body 2111 and a first assembly portion 2112 extending from an end of the first body 2111 away from the first flexible strip 212 .

The first body 2111 has a uniform width and a shape corresponding to the first body portion 2101 , but the length is shorter than that of the first body portion 2101 . Two side edges of the first body 2111 in the width direction extend toward the first body portion 2101 with first side walls 2116 respectively, and second connecting members 2117 are provided on the opposite inner surfaces of the two first side walls 2116 . The second connector 2117 cooperates with the first connector 2107 to fix the first headband cover 211 and the first headband body 210 . The first body 2111 may be provided with a second fixing portion 2114 at one end connected to the first assembly portion 2112 . When the first headband cover 211 is fastened to the first headband body 210 , the first fixing portion of the first headband body 210 is The part 2108 cooperates with the second fixing part 2114 of the first headband cover 211 to press and fix the power supply FPC 213 and the first heat sink 215 between the first headband main body 210 and the first headband cover 211; The second fixing portion 2114 may be similar in structure to the first fixing portion 2108 , and may also be a plurality of protruding ribs with gradual thickness, each protruding rib has an inclined top surface, and one end of the protruding ribs abuts against the first assembling portion 2112 .

The first mounting portion 2112 has the same shape as the first mounting portion 2102, and is provided with a second connecting hole 2110. When the first mounting portion 2112 is fitted with the first mounting portion 2102, the first connecting hole 2100 is connected to the second connecting hole 2110. The holes 2110 are aligned to communicate and form a through hole at the recess 2102a.

The first soft strip 212 is made of flexible material and can be bent arbitrarily, and is generally in the shape of a long strip. The second groove 2106 makes the outer surface of the first flexible strip 212 flush with the outer surface of the first headband body 210, ie, the surface close to the user's head. The end of the first flexible strip 212 is provided with a gap 2120. When the first flexible strip 212 is adhered to the second groove 2106, the first flexible strip 212 and the first headband body 210 together form a first through hole at the gap 2120, so as to It communicates with the second groove 2106 for the power source FPC 213 to pass through.

25, 26 and 27 at the same time, the shape of the power supply FPC 213 is adapted to the first headband body 210, but its length is longer than the first headband body 210, and both ends extend beyond the first headband body 210 by two end. The power supply FPC 213 may include a first electrical connection portion 2132 extending into the first housing assembly 10 and connected to the motherboard 80 and/or the microphone assembly 92, and a power supply FPC stuck in the through hole and connected to the first electrical connection portion 2132 The neck 2134, the power supply FPC main body 2136 fixed in the first and second grooves 2105, 2106, passes through the movable part 2137 placed outside the second groove 2106 from the first through hole, and is arranged at the end of the movable part 2137 and the second electrical connection portion 2138 connected to the battery 35 .

Please refer to FIG. 28 , which is a partial enlarged view of part A of the circle in FIG. 2 , which shows a schematic diagram of the connection between the first electrical connection portion 2132 and the circuit components when the tether assembly 20 extends into the first housing assembly 10 ; The first electrical connection portion 2132 includes a wiring portion 2132a connected to the main board 80 and a wiring portion 2132b connected to the microphone assembly 92; For example, as shown in FIG. 28 , the main board 80 is plug-connected with the wiring portion 2132 a . For example, as shown in FIG. 29 , the second electrical connection portion 2138 is plug-connected with the battery 35 .

Referring again to FIGS. 26 and 27, the width of the power supply FPC neck 2134 is narrower than the power supply FPC portion on the adjacent two sides, such as the power supply FPC body 2136; and referring to FIG. 24, it can be seen that the power supply FPC neck 2134 is just stuck on the first Consistently perforated on, to avoid loosening of the power supply FPC 213.

Referring to FIGS. 26 to 27 , the power supply FPC main body 2136 is provided with a first socket 2135 . When the power supply FPC main body 2136 is placed in the first and second grooves 2105 and 2106 , by placing the first limiting post 2109 in the The power supply FPC main body 2136 is fixed in the first jack 2135 .

The shape of the protective sheet 214 is adapted to the first and second grooves 2105 and 2106 so as to be accommodated in the two grooves, for example, the innermost first-order groove of the second groove 2106 and the first groove 2105 A plurality of second insertion holes 2140 are arranged thereon, and the protection sheet 214 is fixed by placing the first limiting post 2109 in the second insertion holes 2140 . The protection sheet 214 is accommodated in the first and second grooves 2105 and 2106 to directly contact the first main body 2101 , so as to prevent the power FPC main body 2136 from directly contacting the first main body 2101 .

The shape of the first heat sink 215 is similar to that of the power supply FPC 213 , and is placed between the first headband cover 211 and the power supply FPC 213 , and may include a first fitting portion 2152 extending into the first housing assembly 10 and being clamped in the through hole. The first cooling fin neck 2154 inside and connected with the first fitting portion 2152, and the first cooling fin body 2156 fixed in the first groove 2105 and the second groove 2106; for example, as shown in FIG. 28, The first fitting portion 2152 is fitted to the side wall of the speaker body 9132 .

The width of the first heat sink neck 2154 is narrower than the heat sink parts on both sides, such as the first heat sink body 2156; and referring to FIG. 24, it can be seen that the first heat sink neck 2154 is just stuck on the through hole, preventing The first heat sink 215 is loosened. The first heat sink body 2156 is provided with a third insertion hole 2158. When the first heat sink body 2156 is placed in the first and second grooves 2105 and 2106, the first limiting post 2109 is placed in the third insertion hole 2158 The first heat sink body 2156 is fixed inside. The first fixing portion 2108 cooperates with the second fixing portion 2114 to press the first heat sink body 2156 between the first headband body 210 and the first headband cover 211 to press and fix it.

A filler 216 may be disposed between the first heat sink 215 and the first headband cover 211 . The filler 216 may be foam to fill the space between the first headband cover 211 and the first headband body 210 , or a thermally conductive material to improve the heat conduction effect of the first heat sink 215 .

When assembling the first headband 21, please refer to FIG. 26 and FIG. 27. First, the protective sheet 214, the power supply FPC 213 and the first heat sink 215 are layered in sequence, so that the second socket 2140, the first socket 2135 and the third socket are formed. The holes 2158 are aligned in sequence; they are then placed in the first and second grooves 2105 and 2106 of the first headband body 210, so that the first limiting post 2109 passes through the second insertion hole 2140, the first insertion hole 2135 and the The third jack 2158; then insert the first flexible strip 212 into the outermost first-order groove of the second groove 2106, which can be bonded by glue, so that the first flexible strip 212 is connected to the first headband at the gap 2120. The first body portion 2101 of the main body 210 forms a first through hole, so that the movable portion 2137 of the power source FPC 213 passes through the first through hole, while the power source FPC neck portion 2134 and the first heat sink neck portion 2154 of the power source FPC 213 are placed in the recess. 2102a; then put the filler 216 on the first body 2111 of the first headband cover 211, and then fasten the first headband cover 211 on the first headband body 210 so that the first connector 2107 and the second The connector 2117 is connected, and the first mounting portion 2102 and the first assembly portion 2112 are snapped together to form a connecting portion to connect with the corresponding end of the first housing assembly 10 ; the first headband 21 is now assembled.

It can be understood that the first headband cover 211 is fastened on the first headband main body 210 , and the corresponding part of the first headband main body 210 together forms a accommodating cavity, and the first main body part 2101 is in the first groove 2105 The first headband cover 211 is buckled at the position to form an accommodating cavity; the protective sheet 214, the power supply FPC 213, the first heat sink 215 and the filler 216 can be accommodated in the accommodating cavity; the second groove 2106 and the accommodating cavity can be accommodated cavity communicated.

the second headband 22 of the lacing assembly 20

Please refer to FIG. 30 and FIG. 31 , which disclose a three-dimensional assembly view and an exploded view of the second headband 22 according to the embodiment of the present application. The second headband 22 is similar to the first headband 21, and the difference between the two is that the second headband 22 is not provided with a power supply FPC and its protective sheet. The second headband 22 may include a second headband body 220 , a second headband cover 221 , a second flexible strip 222 pressed between the second headband body 220 and the second headband cover 221 , and a second heat sink 225. The structure of the second headband main body 220 is roughly the same as that of the first headband main body 210 . Please refer to FIG. 31 for details. It will not be described in detail here, and only its main components will be listed. An introduction to the belt body 210 . The second headband body 220 may include a second body portion 2201 and a second mounting portion 2202 . The second main body portion 2201 has a length adjusting hole 2203, a second sawtooth 2204, a first groove 2205 and a second groove 2206. First connecting members 2207 are provided on both sides of the first groove 2205, and the first groove 2205 is adjacent to the first groove 2205. A first fixing portion 2208 is disposed at the two mounting portions 2202 . Two first connection holes 2200 are formed on the second installation portion 2202 , and a recess 2202 a is formed between the two first connection holes 2200 .

Please refer to FIG. 32 , which discloses an exploded perspective view of the second headband 22 according to the embodiment of the present application from another perspective; the second headband cover 221 and the first headband cover 211 have substantially the same structure, and are not detailed here. For elaboration, only the main components thereof are listed, and reference to the introduction of the first headband cover 211 is made for the specific cooperation relationship and function. The second headband cover 221 may include a second body 2211 and a second fitting portion 2212 . The second body 2211 has a second fixing portion 2214 , a second side wall 2216 and a second connecting member 2217 . The second fitting portion 2212 is provided with two second connection holes 2210 .

The second soft strip 222 is made of flexible material and can be bent arbitrarily, and is generally in the shape of a long strip. In the second groove 2206, the outer surface of the second flexible strip 222 is flush with the outer surface of the second headband body 220, that is, the surface close to the user's head.

The structure of the second heat sink 225 is substantially the same as that of the first heat sink 215 , and may include a first heat sink 2252 extending into the second abutting portion 2252 in the first housing assembly 10 , being clamped in the through hole and connected to the second abutting portion 2252 . Two fin necks 2254, and a second fin body 2256 fixed in the first and second grooves 2205, 2206; refer to FIG. Sidewall fit.

The width of the second fin neck 2254 is narrower than that of the fins on both sides, such as the second fin body 2256, and referring to FIG. 24, it can be seen that the second fin neck 2254 is just stuck on the through hole, preventing the The second heat sink 225 is loosened.

When the second heat sink body 2256 is placed in the first and second grooves 2205 and 2206 , the first fixing portion 2208 and the second fixing portion 2214 cooperate to face the second headband body 220 and the second headband cover 221 The second heat sink body 2256 is fixed therebetween.

The second headband cover 221 is provided with a filler 226 in the area where the second connecting member 2217 is provided, and the filler 226 is placed between the second heat sink 225 and the second headband cover 221 . The filler 226 may be foam to fill the space between the second headband cover 221 and the second headband body 220 , or a thermally conductive material to improve the heat conduction effect of the second heat sink 225 .

When assembling the second headband 22, please refer to FIGS. 31 to 32. First, place the second heat sink 225 in the first groove 2205 and the second groove 2206 in the second headband body 220, and then place the second heat sink 225 in the first groove 2205 and the second groove 2206 in the second headband The two soft strips 222 are embedded and covered on the outermost first-order groove of the second groove 2206, and can be bonded by glue; then the second fin neck 2254 is placed in the concave 2202a; at this time, the second filler 226 is placed on the second headband cover 221, and then fasten the second headband cover 221 on the second headband main body 220 so that the first connector 2207 and the second connector 2217 are connected, and the second mounting part 2202 is connected to the second The assembling portion 2212 is also snapped together to form a connecting portion to connect with the corresponding end of the first housing assembly 10 ; thus, the second headband 22 is assembled.

It can be understood that the second headband cover 221 is fastened on the second headband main body 220 , and the corresponding part of the second headband main body 220 together forms a accommodating cavity, and the second main body portion 2201 is in the first groove 2205 It is buckled with the second headgear cover 221 at the position to form an accommodating cavity; the second heat sink 225 and the filler 226 can be accommodated in the accommodating cavity; the second groove 2206 communicates with the accommodating cavity.

The assembling relationship between the lace assembly 20 and the first housing assembly 10 is described in detail as follows:

Referring to FIGS. 1 , 5 , 6 , 7 and 24 , when the first headband 21 is assembled to the first housing assembly 10 , first install the protruding post 1123 on one end of the main front housing 11 of the first housing assembly 10 Pass through the connecting portion of the first headband 21 in sequence, for example, the protruding column 1123 passes through the first and second connecting holes 2100 and 2110; then the main front shell 11 and the main rear shell 12 are fastened together, and bolts are used to pass through the through holes 1221. The first headband 21 is assembled to the first housing assembly 10 by connecting with the protruding post 1123 . Similarly, the second headband 22 can also be assembled to the first housing assembly 10 .

For the positional relationship and connection relationship of the first heat sink 215, the second heat sink 225, and the power supply FPC 213 inside the first housing assembly 10, please refer to FIG. 2, FIG. 3, FIG. 28 and FIG. 33; the wiring part of the power supply FPC 213 2132a is connected to the PCB 81 on the main board 80, such as by welding; the wiring portion 2132b of the power FPC 213 is connected to the first microphone 921 in the microphone assembly 92, such as by welding; the first heat sink 215 extends into the first housing assembly 10 , the first fitting portion 2152 is fitted with the outer wall of the speaker body 9112 of the first speaker 911 . The second heat sink 225 extends into the first housing assembly 10 , and the second fitting portion 2252 of the second heat sink 225 is fitted to the outer side wall of the speaker body 9132 of the second speaker 913 .

It should be noted that the connection between the first headband 21 , the second headband 22 and the first housing assembly 10 is not limited to the above-mentioned connection between the bosses 1123 , the connection holes and the through holes 1221 . It suffices to be able to connect the tether assembly 20 to the first housing assembly 10 .

For the heat sink, power supply FPC 213, protective sheet 214 and fillers filled in the first headband 21 and the second headband 22, the quantity, structure and position can also be adjusted according to the actual situation. For example, the first headband can be 21 and the second headband 22 are adjusted to be filled with heat sinks, power supply FPC 213, protective sheets 214 and fillers; of course, other structures can also be filled or some existing structures can be deleted according to the actual situation, such as in the heat sink and power supply. Spacers are filled between the FPCs, for example, both the first headband 21 and the second headband 22 can be adjusted to be filled with heat sinks only, for example, one of the first headband 21 and the second headband 22 can be only Ordinary headbands with length adjustment holes; and the structures of the first headband 21 and the second headband 22 will also be adaptively adjusted according to different internal fillings.

It can be understood that the first headband 21 and the second headband 22 can also be integrated, that is, used as a headband; Adjust the length of the overlapping connection part to complete the adjustment of the tension of the strap assembly 20; when the first headband 21 and the second headband 22 are used as one headband, other connection methods can also be used, which are not limited here.

second housing assembly 30

Please refer to FIG. 34 and FIG. 35 , which disclose an exploded perspective view and a combined view of the second housing assembly 30 in one embodiment. The second housing assembly 30 may include a bottom front shell 31 , a bottom rear shell 32 and a connecting bottom The connecting piece 33 of the front case 31 and the bottom rear case 32 . The second housing assembly 30 can accommodate the lace assembly 20 and the tension adjusting mechanism 40 .

Bottom front case 31 of second case assembly 30

Referring to FIG. 34 , the bottom front case 31 may be made of rigid material, and may include a first channel case 311 and a first power supply case 312 extending downward from the first channel case 311 .

The entire first channel shell 311 is in a strip-shaped curved shape to match the user's head shape and is convenient for the user to wear, and its inner and outer surfaces are both smooth curved surfaces. The first channel shell 311 includes a strip-shaped curved body 3110 and a first convex edge 3111 and a second convex edge 3112 bent from the two long edges of the body 3110 to the bottom rear shell 32 side, wherein the first convex edge 3111 The edge 3111 is located above the body 3110 , and the second protruding edge 3112 is located below the body 3110 .

Opposite ends of the main body 3110 are respectively provided with third fasteners 3113, the third fasteners 3113 may include a plurality of protrusions 3114 extending outward from the edge end of the body 3110 and a plurality of protrusions 3115 adjacent to the edge of the end; wherein, The bump 3115 may be disposed on the surface facing the bottom rear case 32 ; it may also be disposed on the surface away from the bottom rear case 32 .

Two opposite inner sides of the first and second protruding edges 3111 and 3112 are provided with a first latching member 3116 , and the first latching member 3116 can be a plurality of evenly arranged protrusions.

A plurality of grooves 3118 are provided on the edge of the main body 3110 connected to the first protruding edge 3111 , and the plurality of grooves 3118 are located at the center of the longer edge of the main body 3110 and face the first power supply shell 312 . These grooves 3118 It is used to avoid the corresponding components on the bottom rear case 32 .

The first power shell 312 includes a first power shell body 3120 extending downward from the middle portion of the longer side where the second protruding edge 3112 of the body 3110 is located, and a rear shell from the outer edge of the first power shell body 3120 toward the bottom. The convex edge 3121 is bent and arranged on one side of 32. That is to say, the second protruding edge 3112 is not provided at the connection between the main body 3120 of the first power supply housing 3120 and the main body 3110 of the first channel housing 311 , and the second protruding edge 3112 is located at the middle position of the long side of the main body 3110 disconnected. The two ends formed by the disconnection of the second protruding edge 3112 are respectively connected to the protruding edge 3121 of the first power supply shell 312 .

The first power supply housing body 3120 is in the shape of a rectangle, and a compensation structure is disposed on the surface of the first power supply housing body 3120 toward the bottom rear housing 32 . The stages 3122 are distributed at positions near the four corners of the first power shell body 3120, and the surfaces of the four bosses 3122 facing the bottom rear shell 32 are on the same plane for carrying the battery 35 (as shown in FIG. 29).

The first power supply housing body 3120 is provided with two pairs of first snap structures 3124 between the two bosses 3122 of the body 3110 closest to the first channel housing 311 and the body 3110 . The two pairs of first snap structures 3124 include Two limit plates 3124a and two buckling plates 3124b. The two limit plates 3124a are arranged at intervals, and the two buckling plates 3124b are located between the two limit plates 3124a and are dislocated therefrom, and each buckling plate 3124b is close to a corresponding limit plate 3124a , the buckle plate 3124b and the adjacent limit plate 3124a form a pair of first buckle structures 3124 for positioning and engaging with the corresponding components in the bottom rear shell 32 to connect the first power supply shell 312 and the first channel shell 311 separated.

The lower protruding edge 3121 is provided with a second latching member 3123 facing the bottom rear case 32 . The second latching member 3123 can be a plurality of protruding pieces, and grooves can also be provided on the protruding pieces.

Please refer to FIG. 35 , the first power housing body 3120 is provided with a connecting member 3126 on the side facing the first housing component 10 . In one embodiment, the connecting member 3126 is two protruding posts, and the two protruding posts are between the two protruding posts. A through hole 3127 is provided.

Bottom rear shell 32 of second shell assembly 30

Referring to FIG. 36 , the bottom rear case 32 can be made of rigid material, which can include a second channel case 321 corresponding to the above-mentioned first channel case 311 and a second power supply case 322 corresponding to the above-mentioned first power supply case 312. The second The battery 35 is installed inside the power case 322 . The second power supply case 322 and the battery 35 installed therein can constitute a power supply assembly.

Referring to FIG. 37 , the shape and structure of the second channel shell 321 is substantially similar to that of the first channel shell 311 , so that the two can cooperate with each other. The second channel shell 321 includes a strip-shaped curved body 3210, and a first convex edge 3211 and a second convex edge 3212 bent from the two long sides of the body 3210 to the bottom front shell 31 side, wherein the first convex edge The 3211 is located above the body 3210 , and the second protruding edge 3212 is located below the body 3210 .

Opposite ends of the main body 3210 are respectively provided with third fasteners 3213. The structure of the third fasteners 3213 is exactly the same as that of the third fasteners 3113 of the first channel shell 311, including protrusions 3214 and protrusions 3215. It is not repeated here. The third clips 3113 and 3213 of the first channel shell 311 and the second channel shell 321 are both engaged with the corresponding structures of the connecting piece 33 , so that both ends of the first channel shell 311 and the second channel shell 321 are fixedly combined with each other. Together.

The first and second protruding edges 3211 and 3212 are provided with a first latching member 3216 on the opposite outer sides. 3116, that is, several protrusions cooperate with each other, so that the first channel shell 311 and the second channel shell 321 are snapped together to form a channel for the lace assembly 20 to pass through.

A hook 3217 is provided on the first protruding edge 3211 at a position corresponding to the groove 3118 on the first protruding edge 3111 of the bottom front shell 31 toward the bottom front shell 31 for engaging with the relevant elements of the elastic adjusting mechanism 40. The corresponding grooves 3118 on the bottom front shell 31 play an avoidance role during the buckling process of the hooks 3217 and the related elements of the elastic adjusting mechanism 40 .

The second power shell 322 includes a second power shell body 3220 that is recessed outward from the middle of the body 3210 of the second channel shell 321 and extends downward, and is bent and extended from the edge of the second power shell body 3220 to the bottom front shell 31 The side wall 3221 , a partition plate 3222 located in the second power supply shell 322 , and a power supply bracket 324 located under the partition plate 3222 and installed in the second power supply shell 322 .

The length of the second power shell body 3220 is the same as the length of the first power shell body 3120 , and the width of the second power shell body 3220 is approximately the sum of the width of the first power shell body 3120 and the width of the body 3210 of the second channel shell 321 .

A perforated boss 3220a is provided at the center of the upper side wall 3221 of the second power shell body 3220, and two symmetrical isolation plates 3225 are provided on both sides of the perforated boss 3220a. The notches 3226 of the shell 31 are used to cooperate with the relevant elements of the tension adjustment mechanism 40 .

A through hole 3220b is further formed on the second power case body 3220 for installing the power button 3220c (refer to FIG. 34 for details).

On the lower side wall 3221 of the second power supply shell 322, a second latching member 3223 is provided at a position close to the edge. The second latching member 3223 is a plurality of protrusions arranged at intervals. The second latches 3123 (eg, several tabs) of the power case 312 correspond to each other, so that the second latches 3123 of the first power case 312 and the second latches 3223 of the second power case 322 are engaged with each other.

The lower sidewall 3221 of the second power case 322 is further provided with a snap-fit structure 3224, the snap-fit structure 3224 includes two symmetrically arranged protrusions 3224a and a plurality of limit plates with varying widths disposed between the two protrusions 3224a 3224b. Wherein, the protrusions 3224a are farther away from the outer edge of the lower side wall 3221 than each protrusion of the second locking member 3223 .

Referring to FIG. 38 , a heat dissipation hole 3221 a is defined on one of the side walls 3221 of the second power case 322 adjacent to the second channel case 321 .

Continuing to refer to FIG. 37 , two parallel positioning plates 3221 b are disposed on the lower side wall 3221 of the second power housing 322 adjacent to the left and right side walls 3221 .

The partition plate 3222 divides the second power supply shell 322 into two chambers, the upper chamber is used for accommodating the elastic adjustment mechanism 40 and at the same time for the strap assembly 20 , namely the first headband 21 and the second headband 22 to pass through. Pass. The lower chamber is used to accommodate the battery 35 .

The partition plate 3222 is bent for multiple times to form two bent portions 3227 and a bearing portion 3228 connected to the two bent portions 3227 .

The two bent portions 3227 are located away from the central position of the bearing portion 3228 , and the top of which is higher than the bearing portion 3228 , so that a space is formed at the bottom of the bent portion 3227 to accommodate the limit of the first buckle structure 3124 of the bottom front case 31 . The positioning plate 3124a is placed in contact with the bottom of the bending portion 3227.

The bearing part 3228 between the two bending parts 3227 is provided with a first buckle 3229 close to the bending part 3227. The first buckle structure 3229 is two protrusions, and the positions of the two protrusions correspond to the first buckle structure 3229. The positions of the two buckling plates 3124b of the first buckling structure 3124 of a power supply case 312 are positioned so that they are engaged with each other, so as to lock the first power supply case 312 and the partition plate 3222 together.

Two openings 3228 a are provided at the rear of the supporting portion 3228 corresponding to the position of the first buckle structure 3229 , so as to be engaged with the corresponding structures on the power supply bracket 324 .

A bearing rib 3228b is disposed at the central position of the bearing portion 3228, which is installed between the bearing portion 3228 and the second power shell body 3220, and is respectively perpendicular to the bearing portion 3228 and the second power shell body 3220, so as to increase the bearing portion 3228 The strength of the joint surface with the second power supply housing body 3220 ; it can even be used to support the elastic adjustment assembly 40 .

Please refer to FIG. 37 and FIG. 39 at the same time, the power supply bracket 324 is installed in the accommodating cavity under the second power supply shell 322 , and has a bracket body 3240 mounted on the second power supply shell body 3210 and two opposite from the bracket body 3240 The first mounting plate 3242 and the second mounting plate 3244 extending from the sides.

The side of the bracket body 3240 facing the second power supply shell body 3210 is provided with reinforcing ribs 3240a arranged vertically and horizontally. After the shell body 3210 is in contact, the surface of the bracket body 3240 facing the bottom front shell 31 is flat to carry a battery spacer 3243 (as shown in FIG. 36 ). The length of the battery spacer 3243 is the distance between the two positioning plates 3221b Similarly, the battery 35 has the same length. It is mounted on the bracket body 3240 , and both ends extend beyond the bracket body 3240 to abut on the two positioning plates 322 b to stably carry the battery 35 .

The first and second mounting plates 3242 and 3244 are arranged in parallel to each other. The first mounting plate 3242 is used for mounting on the partition plate 3222 , and the second mounting plate 3244 is used for mounting on the lower side wall 3221 .

An edge position of the first mounting plate 3242 is provided with a buckle portion 3245 corresponding to the opening 3228a provided on the partition plate 3222. The buckle portion 3245 is buckled into the opening 3228a, so that the first mounting plate 3242 is mounted to the partition on board 3222.

The side of the second mounting plate 3244 facing the lower side wall 3221 is provided with a buckling structure 3246 that is mutually engaged with the buckling structure 3224 on the lower side wall 3221 . The snap-fit structure 3246 includes a protrusion 3247 matched with the protrusion 3224a of the snap-fit structure 3224 and a limit plate 3248 matched with the limit plate 3224b of the snap-fit structure 3224 .

Connector 33 of second housing assembly 30

Referring to FIGS. 34 and 40 , the connector 33 may include a connector body 331 and a side wall 332 extending from the edge of the connector body 331 .

As shown in FIG. 34 and FIG. 40 , the main body 331 of the connector is substantially rectangular and its corners are rounded; and it and the four side walls 332 enclose an accommodating cavity 333 . A through hole 3310 is formed on the main body 331 of the connector for allowing the strap assembly 20 to pass through. The connector main body 331 is provided with a latch 3313 in the accommodating cavity 333 . Buckle. Specifically, the clip 3313 includes a slot 3315 corresponding to the protrusion 3114 of the third clip 3113, a slot 3315 corresponding to the projection 3214 of the third clip 3213, and the third clip 3213. The protrusions 3115 of the fastener 3113 correspond to the engaging pieces 3314 and the engaging pieces 3314 correspond to the protrusions 3215 of the third engaging element 3213 .

After the bottom front shell 31 and the bottom rear shell 32 are fastened together, the body 3110 of the first channel shell 311 and the body 3210 of the second channel shell 321 form a channel for the lace assembly 20 to extend into; the first power supply shell 312 and the second power supply After the shell 322 is matched, the space above the partition plate 3222 can be defined as the first receiving cavity, and the space located under the partition plate 3222 can be defined as the second receiving cavity; the first receiving cavity is communicated with the channel, and the two can be jointly defined is the first channel; the first accommodating cavity can accommodate the first headband 21 and the second headband 22 which can be overlapped with each other, and can also accommodate the elastic adjustment mechanism 40 to adjust the first headband 21 and the second headband 22 The length of the overlapping part, so the solid part that constitutes the channel and the first accommodating cavity can also be defined as the headband and the elastic adjustment mechanism shell (it can also be defined as the first shell); the second accommodating cavity is used for accommodating the power supply, For example, the battery 35 can be defined as a power supply case (and can also be defined as a second case).

It can be understood that after the bottom front case 31 and the bottom rear case 32 are snapped together, the first power supply case 312, the second power supply case 322 and the body 3110 of the first channel case 311 can be defined as the first case; The first channel shell 311 and the second channel shell 321 on both sides of the body may be defined as a second housing.

The above various names, such as: channel, receiving cavity, first receiving cavity, second receiving cavity, first casing, second casing, headband and elastic adjustment mechanism casing, power supply casing, can be carried out according to the actual situation Adjustment, this application is not limited to the definition of the above-mentioned names, and the names of similar structures can be interchanged according to the actual situation. For example, the channel can also be called the first containing cavity, and the original first containing cavity can be called the second containing cavity. The original second accommodating cavity can be called the third accommodating cavity, and the names of the first shell and the second shell can also be interchanged.

Elastic adjustment mechanism 40

Please refer to FIG. 41 , which discloses an exploded perspective view of the tightness adjusting mechanism 40 according to the embodiment of the present application. The elastic adjusting mechanism 40 may include a first housing 41, a second housing matched with the first housing 41 (the second housing here, that is, the bottom rear housing 32 of the second housing assembly 30 described above, The bottom rear case 32 may be a common element of the tension adjustment mechanism 40 and the second housing assembly 30 ) and a ratchet pawl mechanism 42 . The first casing 41 and the second casing are snapped together to form a box body, and the main body of the ratchet pawl mechanism 42 can be accommodated in the box body. The two headbands (ie, the first headband 21 and the second headband 22 ) of the lace assembly 20 can extend into the inside of the box body and be overlapped and connected to the ratchet pawl mechanism 42 , and the first and second headbands can be adjusted through the ratchet pawl mechanism 42 . The length of the headbands 21 and 22 overlapping each other; here, the second housing is not a necessary component, and the tension adjusting mechanism 40 can also be formed by only relying on the ratchet and pawl mechanism 42 to be installed on the first housing 41 .

The first housing 41 of the elastic adjustment mechanism 40

Please refer to FIG. 42 , which discloses perspective views of the first housing 41 from different angles. The first case 41 may include a case bottom plate 410 . The housing bottom plate 410 can be a rectangular plate body with uniform thickness, and a central hole 4100 is provided in the center thereof.

Side panels 412 are formed on two opposite long sides of the case bottom plate 410 toward the second case (ie, the bottom rear case 32 ). The surface of the second shell is arc-shaped, so as to be in close contact with the second shell. Two ends of the side plate 412 are provided with columnar first mounting portions 413 facing the second housing. Internal threads can be provided in the first mounting portion 413 so that the first mounting portion 413 can be used for bolts to pass through the first mounting portion 413 to attach the first mounting portion 413 . The casing 41 is fixed to the bottom rear case 32 . A first buckle structure 4120 is formed in the middle of the side plate 412 provided with the first installation portion 413 . When the first casing 41 is fixed to the bottom rear casing 32 , the protrusions are placed on the bearing rib 3228b to support the first casing 41 . A second buckling structure 4122 is formed on the other side plate 412 where the first mounting portion 413 is not formed. In one embodiment, the second buckling structure 4122 consists of three grooves arranged at intervals and formed in the middle A protrusion above the groove is formed, so that the groove and the hook 3217 on the bottom rear case 32 can be clamped, thereby completing the fixing of the first casing 41 and the bottom rear case 32 .

On the surface of the housing bottom plate 410 facing the second housing (ie, the bottom rear housing 32 ), a ring-shaped ratchet wheel 414 , a reinforcing rib 415 arranged around the ratchet wheel 414 , and a second ratchet wheel 414 distributed on the outer circumference of the ratchet wheel 414 are arranged. Mounting part 416 .

The inner wall of the ratchet wheel 414 is provided with internal teeth 4140 , the central hole 4100 is coaxially arranged with the ratchet wheel 414 , the bottom of the ratchet wheel 414 can be recessed in the direction away from the second housing and is provided with a convex rib 4142 , the convex rib 4142 includes a concentric arrangement with the central hole 4100 A plurality of circular first ribs 4143 and strip-shaped second ribs 4144 are arranged to intersect with the first ribs 4143 and diverge from the center of the central hole 4100 toward the periphery.

The reinforcing ribs 415 may include a plurality of parallel first reinforcing ribs 4150 extending from the outer peripheral wall of the ratchet wheel 414 and a plurality of parallel second reinforcing ribs 4152 intersecting with the first reinforcing ribs 4150 . The first reinforcing rib 4150 extends from the outer peripheral wall of the ratchet wheel 414 to the edges of the two relatively short sides of the bottom plate 410 of the housing. The height of the first reinforcing rib 4150 gradually decreases from the outer peripheral wall of the ratchet 414 to the shorter edge direction of the housing bottom plate 410 so that the first reinforcing rib 4150 is in an arc shape toward the top surface of the second housing as a whole, so as to be in an arc shape with the bottom rear housing. 32, so that the first and second headbands 21, 22 extending into the box body fit with the first reinforcing rib 4150, so that the first and second headbands 21, 22 will not be bent at the corners. The second reinforcing rib 4152 is perpendicular to the first reinforcing rib 4150 , that is, it is disposed along the two long sides perpendicular to the bottom plate 410 of the casing.

Ratchet and pawl mechanism 42 of slack adjustment mechanism 40

Referring to FIG. 41 , the ratchet and pawl mechanism 42 may include a ratchet wheel 414 formed on the first housing 41 , a pawl assembly 420 matched with the ratchet wheel 414 and accommodated therein, and a ratchet pawl assembly 420 installed and fixed on the pawl assembly 420 and driving the ratchet wheel The pawl assembly 420 rotates and is slidably connected to the knob assembly 430 of the central hole 4100 .

Referring to FIG. 43, the pawl assembly 420 includes a first baffle 421, a second baffle 422 fixedly connected to the first baffle 421, a turning plate 423 between the first baffle 421 and the second baffle 422, The first pawl 424 , the second pawl 425 , the first spring 426 and the second spring 427 assembled on the second baffle 422 , and the gear fixedly installed on the side of the second baffle 422 away from the first baffle 421 428.

The first baffle plate 421 can be a circular sheet-like structure with a central hole 4210 in the middle. The central hole 4210 is aligned with the central hole 4100 in the ratchet wheel 414 and the central axes of the two are the same. The first baffle 421 is provided with a first connecting portion 4212 and a second connecting portion 4214 on the side facing the second baffle 422 , wherein the second connecting portion 4214 is prism-shaped, the first connecting portion 4212 is cylindrical, and the first connecting portion 4212 is And the outer peripheral walls of the second connecting portions 4212 and 4214 are provided with protruding strips, so as to be tightly matched with the corresponding structures on the second baffle plate 422 so that the first baffle plate 421 and the second baffle plate 422 are fixedly connected.

Referring to FIG. 44 , the second baffle 422 and the first baffle 421 have the same shape and size, and a center hole 4220 is formed in the middle. The center hole 4220 is aligned with the center hole 4210 of the first baffle 421 . The second baffle 422 is provided with a first engaging portion 4222 and a second engaging portion 4224 on the side facing the first baffle 421 . The second engaging portion 4224 and the second connecting portion 4214 of the first baffle 421 have the same shape but different sizes, so that the second connecting portion 4214 of the first baffle 421 can be inserted into the second engaging portion 4224, The second clamping portion 4224 includes a first clamping wall 4220a and a second clamping wall 4220b disposed at a certain angle with the first clamping wall 4220a, that is, the distance between the first clamping wall 4220a and the second clamping wall 4220b is along the center The holes 4220 gradually become larger in the outward direction. The first engaging portion 4222 and the first connecting portion 4212 of the first baffle 421 have the same shape but different sizes, so that the first connecting portion 4212 of the first baffle 421 can be inserted into the first engaging portion 4222 . The side of the second baffle plate 422 facing the first baffle plate 421 is further provided with a first installation shaft 4225 for installing the first pawl 424 , a second installation shaft 4226 for installing the second pawl 425 , and a first installation shaft 4226 for installing the first pawl 425 . The first mounting frame 4227 of the spring 426 and the second mounting frame 4228 for mounting the second spring 427 .

The first baffle 421 and the second baffle 422 can also be used as a mounting part, and the second clamping part 4224 and the second connecting part 4214 can be used as a limit part to cooperate with the turning plate 423, and can also be used as a fixing part to A baffle 421 and a second baffle 422 are fixed together; the first clamping part 4222 and the first connecting part 4212 are used as fixing parts to fix the first baffle 421 and the second baffle 422 together.

The mounting member is not limited to the assembled form of the first baffle plate 421 and the second baffle plate 422. Others can make the first pawl 424 and the second pawl 425 contact and cooperate with the ratchet wheel 414; that is, the mounting member is left with a gap or A structure similar to a gap is used for the first pawl 424 and the second pawl 425 to extend out of the space formed by the mounting piece to contact and cooperate with the ratchet wheel 414; so the mounting piece can also be a box with a gap or a similar gap;

Of course, the mounting member can also be only the first baffle 421 or the second baffle 422. For example, the mounting member is the second baffle 422, and the second engaging portion 4224 and the second connecting portion 4214 are formed on the first baffle as the limiting portion. on the plate 421 or the second baffle 422 .

The first installation shaft 4225 and the second installation shaft 4226 are located on both sides of the first engaging portion 4222 respectively, and are symmetrically arranged relative to the first engaging portion 4222 .

The first installation frame 4227 and the second installation frame 4228 are symmetrically arranged with respect to the first clamping portion 4222, and the shape, size and structure of the two are exactly the same.

44 and 45 at the same time, the first mounting frame 4227 includes a first blocking wall 4227a, a second blocking wall 4227b disposed at a certain angle with the first blocking wall 4227a, and connecting the first blocking wall 4227a and the second blocking wall 4227b A connecting wall 4227c at one end. The first blocking wall 4227 a , the second blocking wall 4227 b and the connecting wall 4227 c enclose a receiving space 4227 d for receiving the first spring 426 . The first blocking wall 4227a extends from the outer peripheral wall of the first engaging portion 4222, and the connecting wall 4227c has a clamping shaft 4227e facing the receiving space 4227d, and the first spring 426 is sleeved on the clamping shaft 4227e.

Since the second mounting frame 4228 has the same structure as the first mounting frame 4227, detailed description is omitted here, and only its components are listed. The second mounting frame 4228 includes a first blocking wall 4228a, a second blocking wall 4228b, a connecting wall 4228c, a receiving space 4228d, and a clamping shaft 4228e. The first blocking wall 4227a of the first mounting frame 4227 is connected to the first blocking wall 4228a of the second mounting frame 4228, and one end of the connecting wall 4227c and one end of the connecting wall 4228c are also connected to each other.

It should be pointed out that the first spring 426 and the second spring 427 can also be other elastic parts, such as tension springs, compression springs, objects providing telescopic force, etc., so that the first pawl 424 and the second pawl 425 are connected to the ratchet wheel 414 cooperates to complete the transition between the two states of engagement and non-engagement; and the corresponding first mounting frame 4227 and second mounting frame 4228 will also be changed to other structures that can fix the elastic member according to the different elastic members.

The rotating plate 423 is an eccentric structure with a through hole 4230. Of course, the rotating plate 423 can also be integrated with the knob assembly 430 at the through hole 4230; the through hole 4230 is aligned with the central hole 4220 of the second baffle plate 422 and have the same axis. In one embodiment, the inner surface of the through hole 4230 is polygonal, eg, hexagonal. One end of the rotating plate 423 away from the through hole 4230 has a notch 4232. The shape of the notch 4232 is the same as the shape of the first engaging portion 4222 of the second baffle plate 422, but the size is different, and its size is larger than that of the first engaging portion 4222. , so as to accommodate the first engaging portion 4222. Here, the second engaging portion 4224 and the second connecting portion 4214 are used as limiting portions to cooperate with the notch 4232; The inner wall 4232b; the peripheral surface of the turning plate 423 includes an outer wall surface 4234. When the rotating plate 423 rotates around the axis of the through hole 4230, the rotating plate 423 and the second engaging portion 4224 have only three states: only the first inner wall 4232a is in contact with the first clamping wall 4220a, and the rotating plate 423 is in contact with the second engaging portion 4224. The latching portion 4224 is in a non-contact state, and a state in which only the second inner wall 4232b is in contact with the second clamping wall 4220b; that is, the limiting portion is configured to be in contact with the inner wall of the notch 4232 and not in contact, so that the turning plate 423 It rotates around its rotation axis (the axis of the through hole 4230) by a certain angle.

Please refer to FIGS. 44 to 46 at the same time, the first pawl 424 is pivotally mounted on the first mounting shaft 4225 of the second baffle plate 422 and can rotate around the first mounting shaft 4225 . A pivot hole 4240 is formed at the middle position of the first pawl 424 to be pivotally connected to the first installation shaft 4225 . The first pawl 424 has two opposite ends, namely: a first end 4242 connected with the first spring 426 and a second end 4244 abutted with the outer wall 4234 of the rotating plate 423 . The side of the first end 4242 facing the accommodating space 4227d of the first mounting frame 4227 is provided with a mounting shaft 4242a to mount the first spring 426 thereon. The side has an edge 4242b, and the edge 4242b is used for engaging with the inner teeth 4140 of the ratchet wheel 414 (please refer to Fig. 47). The side of the second end 4244 facing the turning plate 423 has a contact surface 4244a. In one embodiment, the contact surface 4244a is an arc surface so as to be in linear contact with the outer wall surface 4234 of the turning plate 423 to reduce the two pressure between.

The second pawl 425 and the first pawl 424 are symmetrically arranged with respect to the first engaging portion 4222 of the second baffle plate 422 , and both have the same shape and structure. The second pawl 425 has a pivot hole 4250, a first end 4252, a second end 4254, a mounting shaft 4252a, an edge 4252b, and a contact surface 4254a.

When the first spring 426 is installed, one end is sleeved on the clamping shaft 4227e in the first installation frame 4227, and the other end is sleeved on the installation shaft 4242a of the first pawl 424, so that the first spring 426 is installed on the first installation frame 4227. In the frame 4227, the first pawl 424 can rotate around the first installation shaft 4225. When the first pawl 424 rotates, the first end 4242 of the first pawl 424 is driven to move, thereby pushing the first spring 426 to the first Different degrees of compression are done in the installation frame 4227.

The structure and function of the second spring 427 are exactly the same as those of the first spring 426 , which are installed in the second installation frame 4228 , and are not repeated here.

The outer wall surface 4234 of the rotating plate 423 is a curved surface, and the outer wall surface 4234 is configured such that when the rotating plate 423 rotates around its rotation axis, the outer wall surface 4234 pushes the first and second pawls 424 and 425 to rotate respectively, so that the first and second pawls 424 and 425 are rotated. The two ratchet claws 424 and 425 and the ratchet wheel 414 complete the transition between two states of engagement and non-engagement. Referring to FIG. 45, when no external force is applied to force the rotating plate 423 or the mounting member (the combination of the first baffle 421 and the second baffle 422) to rotate; due to the action of the first spring 426 and the second spring 427, the rotation is When the plate 423 and the outer surface of the limiting portion (ie the outer surface of the second engaging portion 4224 ) are in a non-contact state, and the pawl assembly 420 and the ratchet wheel 414 are engaged; under the intervention of an external force, the rotating plate 423 is forced around the through hole When the axis of 4230 rotates, two states appear:

(1) From the non-contact state to the state where only the first inner wall 4232a is in contact with the first clamping wall 4220a, at this time, in the direction in which the turning plate 423 rotates around the through hole 4230, the first pawl 424 and the outer wall surface 4234 The distance between the contact position and the through hole 4230 gradually increases, so that the first end 4242 of the first pawl 424 moves and disengages from the engagement state with the inner teeth 4140 of the inner wall of the ratchet wheel 414; while the second pawl 425 is connected to the outer wall surface. The distance from the contact position of 4234 to the through hole 4230 gradually decreases, but the ratchet wheel 414 squeezes the second spring 427 of the second pawl 425, so that the second pawl 425 and the inner teeth 4140 of the inner wall of the ratchet wheel 414 are also in a disengaged state. engagement state; finally, the pawl assembly 420 and the ratchet wheel 414 are disengaged from the engagement state.

(2) From the non-contact state to the state where only the second inner wall 4232b is in contact with the second clamping wall 4220b, at this time, in the direction in which the turning plate 423 rotates around the through hole 4230, the second pawl 425 and the outer wall surface 4234 The distance from the contact position to the through hole 4230 gradually increases, so that the second end 4254 of the second pawl 425 moves and disengages from the engagement state with the inner teeth 4140 on the inner wall of the ratchet wheel 414; the first pawl 424 and the outer wall surface 4234 The distance from the contact position to the through hole 4230 gradually decreases, but the ratchet wheel 414 squeezes the first spring 426 of the first pawl 424, so that the first pawl 424 and the inner teeth 4140 of the inner wall of the ratchet wheel 414 are also in disengagement. Locked state; finally, the pawl assembly 420 and the ratchet wheel 414 are disengaged from the engagement state.

Referring to FIG. 43 , the gear 428 has a center hole 4280 , and the center hole 4280 is aligned with the center hole 4220 of the second baffle plate 422 and has the same center axis. The gear 428 is fixedly disposed on the side of the second baffle 422 away from the first baffle 421 .

Referring to FIG. 48 at the same time, when the lace assembly 20 is connected to the elastic adjustment mechanism 40, the end of the first headband 21 with the length adjustment hole 2103 is stacked with the end of the second headband 22 with the length adjustment hole 2203. At this time, the first sawtooth 2104 and the second sawtooth 2204 are located on opposite sides of the two stacked length adjusting holes 2103 and 2203 respectively, and the gear 428 is placed in the two stacked length adjusting holes 2103 and 2203 and engages with the first sawtooth 2104 and the second sawtooth 2204 .

Referring to FIGS. 49 and 50 , the knob assembly 430 may include a rotating disk 431 , a first transmission shaft 432 extending from the inner surface of the rotating disk 431 , and a second transmission shaft 433 mounted on the first transmission shaft 432 .

The side surface of the rotating disk 431 may be rough. In one embodiment, the outer surface of the rotating disk 431 is provided with a plurality of grooves arranged in parallel to form ribs between two adjacent grooves.

The first transmission shaft 432 and the second baffle plate 422 have the same central axis, and the first rotating shaft 432 is formed with a coaxially arranged first connection shaft 4321 and a second connection shaft in the direction of the central axis of the second baffle plate 422 in sequence. 4322 and the third connecting shaft 4323. The first connecting shaft 4321 and the second connecting shaft 4322 are both circular shafts, that is, the outer peripheral surface is circular and the outer diameter of the first connecting shaft 4321 is larger than that of the second connecting shaft 4322 . The outer peripheral surface of the third connecting shaft 4323 is a polygon, and in one embodiment is a hexagon. The distance between the center of the hexagon and any side of the hexagon is smaller than the radius of the second connecting shaft 4322. A central hole 4324 is provided in the center, and the central hole 4324 has an internal thread.

The second transmission shaft 433 and the first transmission shaft 432 have the same central axis, and along the axial direction away from the rotating disk 431 are sequentially formed a coaxially arranged disk 4330, a first connecting shaft 4331 connected to the disk 4330, A second connection shaft 4332 connected with the first connection shaft 4331 and a third connection shaft 4333 connected with the second connection shaft 4332 .

The outer diameter of the disc 4330 is larger than the outer diameter of the first connecting shaft 4331 and larger than the outer diameter of the gear 428 . The inner wall of the recess 4330a is polygonal, and in one embodiment is hexagonal, so as to cooperate with the third connecting shaft 4323 of the first transmission shaft 432; When the two length adjustment holes 2103 and 2203 of the , 22 are disengaged from the meshing state with the gear 428 .

The first connecting shaft 4331 and the third connecting shaft 4333 are both circular shafts, that is, the outer peripheral surface is circular and the outer diameter of the first connecting shaft 4331 is larger than that of the third connecting shaft 4333 . The outer peripheral surface of the second connecting shaft 4332 is a polygon, in one embodiment, a hexagon, and the distance from the center to any side of the hexagon is smaller than the radius of the first connecting shaft 4331 and greater than the radius of the third connecting shaft 4333 . The shape and size of the second connecting shaft 4332 match the shape and size of the through hole 4230 of the rotating plate 423 , so that the rotating plate 423 is fixedly connected to the second connecting shaft 4332 .

When assembling the lace assembly 20 , the second housing assembly 30 and the elastic adjustment mechanism 40 , the lace assembly 20 is assembled first, and the first headband 21 and the second headband 22 of the lace assembly 20 are respectively threaded through Pass through the through hole 3310 of a connecting piece 33, and at the same time, pass the first drive shaft 432 of the rotary disk 431 from the rear of the bottom rear shell 32 through the perforated boss 3220a, and then install the disk 4330 on the third connecting shaft 4323; Thereby, the second transmission shaft 433 is engaged with the first transmission shaft 432, and then the screw 434 is passed through the through hole 4330b at the bottom of the disc 4330 and is threadedly connected with the central hole 4324 of the third connecting shaft 4323 of the first transmission shaft 432, Thus, the second transmission shaft 433 and the first transmission shaft 432 are firmly connected together.

The position of the length adjustment hole 2103 of the first headband 21 and the position of the length adjustment hole 2203 of the second headband 22 are overlapped, and then the gear 428 is placed in the length adjustment hole 2103 and the length adjustment hole 2203, and the second transmission shaft 433 passes through the gear 428 and the center hole 4210 and the center hole 4220 of the second baffle plate 422, on the second baffle plate 422 are installed the first pawl 424, the second pawl 425, the first spring 426, the second spring 427 and The rotating plate 423, for example, the rotating plate 423 is inserted through the third connecting shaft 4333 of the second transmission shaft 433 and then sleeved on the second connecting shaft 4332, so that the rotating plate 423 is fixed relative to the first and second rotating shafts 432 and 433. At the same time, the second engaging portion 4224 on the second baffle plate 422 is located in the notch 4232 of the turning plate 423; 4234 Contact.

Then, the first baffle plate 421 is fastened to the second baffle plate 422, and the first connecting portion 4212 on the first baffle plate 421 is engaged with the first engaging portion 4222 on the second baffle plate 422. A baffle 421 is assembled on the second transmission shaft 433, and at the same time, the first baffle 421 is fixed relative to the second baffle 422, that is to say, the first baffle 421 and the second baffle 422 can be relative to the second baffle 421 together. The transmission shaft 433 rotates radially; the first pawl 424, the second pawl 425, the first spring 426, the second spring 427 and the rotating plate 423 are fixed between the first baffle plate 421 and the second baffle plate 422; The pawl assembly 420 is accommodated in the ratchet wheel 414, and the third connecting shaft 4333 of the second transmission shaft 433 is inserted into the central hole 4100 in the ratchet wheel 414 to make the two fit together; then the first housing 41 and the bottom rear housing 32 At this time, the bottom of the gear 428 abuts against the disc 4330, and the disc 4330 squeezes the first headband 21 and the second headband 22 (please refer to FIG. 51); the first buckle structure 4120 The protrusions of the 12 are placed on the bearing rib 3228b to support the first shell 41; the second snap-fit structure 4122 is fastened with the hooks 3217 on the bottom rear shell 32, and the first mounting portion 413 is fixed with the bottom rear shell 32 with screws; This fixes the first headband 21 and the second headband 22 inside the elastic adjustment mechanism 40 , so far, the assembly of the lace assembly 20 and the elastic adjustment mechanism 40 is also completed.

Fasten the buckling portion 3245 on the power supply bracket 324 to the corresponding opening 3228a on the bearing portion 3228; fasten the buckling structure 3246 on the power supply bracket 324 to the corresponding buckling structure 3224 on the side wall 3221; Lay the battery gasket 3243 on the 324, place the battery 35; assemble the bottom front case 31 and the bottom rear case 32; A snap 3116; snap the second snap 3223 on the bottom rear case 32 to the corresponding second snap 3123 on the ledge 3121; then install the two connectors 33, and snap the connector 33 The fasteners 3313 are fastened on the third fasteners 3113 of the bottom front case 31 and the third fasteners 3213 of the bottom rear case 32, and the bottom front case 31 and the bottom rear case 32 are fixed, and the lacing is completed. Assembly of the assembly 20 with the second housing assembly 30 and the tightness adjustment mechanism 40 .

When adjusting the lace assembly 20, referring to FIG. 45, in the initial state, the first spring 426 pushes up the first pawl 424, so that the first end 4242 engages with the inner teeth 4140 of the ratchet 414, and the second spring 427 Push up the second pawl 425, so that the first end 4252 is engaged with the inner teeth 4140 of the ratchet wheel 414; at this time, the first pawl 424 and the second pawl 425 are in contact with the turning plate 423, so that the turning plate 423 and the second The clamping part 4224 is in a non-contact state; when the tie assembly 20 acts on the mounting piece, when the mounting piece rotates in any direction, a pawl is engaged with the inner teeth 4140 of the ratchet wheel 414; so that the limiting part of the mounting piece cannot be Direct contact with the rotating plate 423; forcing the first baffle 421 to be unable to complete the rotation, and then engaging the headband assembly 20 to avoid loosening of the lace assembly 20;

When the length of the lace assembly 20 is adjusted by using the knob assembly 430, the knob assembly 430 drives the rotating plate 423 to rotate, so that the non-contact state between the rotating plate 423 and the second engaging portion 4224 is transformed into only the first inner wall 4232a The state in contact with the first clamping wall 4220a or the state in which only the second inner wall 4232b is in contact with the second clamping wall 4220b, both of which will cause the pawl assembly 420 and the ratchet wheel 414 to disengage from the engagement state, thereby driving the first baffle 421 is rotated, and the tension of the lace assembly 20 is adjusted through the gear 428.

It can be understood that the first housing 41 can also be the bottom front housing 31 in the second housing assembly 30, and the ratchet wheel 414 can be formed on the body 3110, and the central hole 4100 is also formed on the body 3110. The ratchet and pawl mechanism 42 cooperates with the ratchet 414; in addition, when the first and second headbands 21, 22 are overlapped and connected to the elastic adjustment mechanism 40, and the elastic adjustment mechanism 40 adjusts the overlapping length of the first and second headbands 21, 22 At the same time, the distances from the first and second headband covers 211, 221 to the elastic adjustment mechanism 40 and to the headband and the elastic adjustment mechanism housing will also be adjusted accordingly; here the bottom front shell 31 and the bottom rear shell 32 can form an elastic The adjusting mechanism housing is a part of the tightness adjusting mechanism, of course, the first housing 41 and the bottom rear case 32 can also form the tightness adjusting mechanism housing.

Force component 50

Please refer to FIG. 1 , which discloses a three-dimensional schematic diagram of the head-mounted device 100 in an embodiment, wherein the force-receiving component 50 includes a first force-receiving member 51 disposed on the first housing component 10 and a first force-receiving member 51 disposed on the first The second force bearing member 52 on the second shell assembly 30 . In this embodiment, the first housing assembly 10 , the lace assembly 20 , the second housing assembly 30 and the elastic adjustment mechanism 40 can form an annular frame with adjustable tension, and the first force receiving member 51 and the second receiving force The force members 52 are respectively located on one side and the other side of the annular frame, for example, on the upper and lower sides of the first casing assembly 10 and the second casing assembly 30 respectively. The first force-receiving member 51 is inclined to the side close to the second force-receiving member 52; in addition, the first force-receiving member 51 is the first force-receiving point, the first housing assembly 10 is the second force-receiving point, and the second force-receiving point The force member 52 is the third force bearing point, and the head-mounted device 100 is stably supported and worn through the first, second and third force bearing points.

It should be understood that the "first force-bearing member" and the "second force-bearing member" may also be referred to as "force-bearing members", respectively.

The first force bearing member 51 of the force bearing assembly 50

Please refer to FIG. 2 and FIG. 52 , which disclose perspective views of the first force-receiving member 51 from two different viewing angles in one embodiment. Wherein, the first force-receiving member 51 may include a support plate 511, a mounting plate 512 arranged at an angle with the support plate 511, a neck portion 513 located between the support plate 511 and the mounting plate 512 and connecting the two, and a neck portion 513 disposed on the support plate 511. Pad 514 on board 511.

The support plate 511 can be a quadrilateral plate body, and the side away from the second housing component 30 and the soft pad 514 is a curved surface. The side of the support plate 511 on which the soft pad 514 is mounted may be a concave curved surface, so as to roughly match the contour of the user's forehead or the upper part of the forehead. The supporting plate 511 extends from one side of the mounting plate 512 and is inclined to the side where the soft pad 514 is mounted, so that the mounting plate 512 and the supporting plate 511 are arranged at an obtuse angle. The neck 513 can have the same extension direction as the support plate 511 , that is, it also extends from one side of the mounting plate 512 , so that the neck 513 and the mounting plate 512 are arranged at an obtuse angle; the neck 513 can also be bent upward from the mounting plate 512 , so that the neck 513 and the mounting plate 512 are arranged at a right angle or an acute angle.

The mounting plate 512 is a plate-like structure with a thickness, which is made of hard material, and is used for cooperating with the top plate 111 of the main front shell 10 and the main shell trim 15, for example, sandwiched between the top plate 111 and the main shell trim between 15. The mounting plate 512 is provided with a strip-shaped adjustable through hole 5121 corresponding to the protruding post 156 on the lower surface 155 of the main shell trim 15 for the protruding post 156 to pass through. The adjustable through holes 5121 may be two and may be parallel to each other. The neck 513 is made of hard material, and the thickness of the neck 513 in the front-rear direction is approximately equal to the depth of the groove 154 of the main shell decoration 15; so that the groove 154 of the main shell decoration 15 can accommodate the neck A part of 513 can even just catch the neck 513 .

The soft pad 514 corresponds to the shape of the support plate 511 and is fixed on the side of the support plate 511 facing the second housing assembly 30 . The soft pad 514 and the mounting plate 512 are respectively located on opposite sides of the support plate 511 , so that the soft pad 514 and the adjustable through hole 5121 are also located on opposite sides of the support plate 511 respectively.

When the first force-receiving member 51 is installed on the first housing assembly 10 , the mounting plate 512 is firstly placed on the top plate 111 of the main front shell 10 , and then the protruding posts 156 on the main shell trim 15 are inserted into the mounting plate 512 in sequence. The adjustable through hole 5121 on the top plate 111 and the through hole 1114 on the top plate 111 , and the groove 154 of the main shell decorative piece 15 can accommodate the neck 513 to lock the neck 513 , and then the first force-bearing member 51 Mounted to the first housing assembly 10 . Since the mounting plate 512 is provided with an adjustable through hole 5121 , the front and rear positions of the first force-receiving member 51 relative to the main front shell 11 can be adjusted within a certain range to realize the adjustable installation of the front first force-receiving member 51 .

Specifically, the adjustable through-hole 5121 in the shape of a strip on the mounting plate 512 of the first force-receiving member 51 and the main shell trim 15 with the protruding column 156 placed in the adjustable through-hole 5121 constitute the adjustable structure of the present application . The protruding post 156 is inserted into the adjustable through hole 5121 and can be positioned at different positions of the adjustable through hole 5121, so that the adjustable structure can make the front and rear positions of the first force bearing member 51 relative to the first housing assembly 10 (for example, The horizontal position along the direction of the adjustable through hole 5121) is adjustable within a certain range. Optionally, the positions of the adjustable through hole 5121 and the protruding post 156 can be changed with each other, that is, the adjustable through hole 5121 is provided on the main shell decoration 15 , and the protruding post 156 is provided on the first force receiving member 51 . Of course, the adjustable structure of the present application is not limited to the form of the adjustable through hole 5121 and the protruding post 156, and any structure that can adjust the position of the first force bearing member 51 relative to the first housing assembly 10 can be used.

The second force bearing member 52 of the force bearing assembly 50

Please refer to FIG. 53 , which discloses an exploded view of the second force-receiving member 52 of the force-receiving assembly 50 and the bottom front shell 31 of the second housing assembly 30 in one embodiment; the second force-receiving member 52 is fixedly mounted on the first On the bottom front shell 31 of the two-housing assembly 30; please refer to FIG. 54, which discloses an exploded perspective view and a three-dimensional assembly view of the second force-receiving member 52 in one embodiment. The second force-receiving member 52 may include a fixed The plate 521 and the soft pad 522 wrapped on the fixed plate 521 .

The shape of the fixing plate 521 matches the shape and size of the first power supply housing body 3120 of the bottom front housing 31 of the second housing assembly 30 , and mounting holes corresponding to the connecting pieces 3126 on the first power supply body 3120 are provided on the fixing plate 521 . 5210.

When installing the second force-receiving member 52 on the second housing assembly 30, firstly sleeve the soft pad 522 on the fixing plate 521, and then align the fixing plate 521 with the connecting member 3126 on the first power supply body 3120, so that the connection is made. The connecting member 3126 is firmly inserted into the mounting hole 5210, so that the second force-bearing member 52 is stably mounted on the second housing assembly 30; optionally, the positions of the connecting member 3126 and the mounting hole 5210 can be changed with each other, that is, the mounting hole The 5210 is arranged on the second housing assembly 30 , and the connecting piece 3126 is arranged on the second force receiving member 52 . Of course, the present application is not limited to the form of the mounting hole 5210 and the connecting member 3126, and any method that can allow the second force-receiving member 52 to be mounted on the second housing assembly 30 can be used, such as adhesive bonding.

When the user wears the head-mounted device 100, the first shell assembly 10 and the second shell assembly 30 are connected together by the strap assembly 20 to form a wearable annular frame, and the second force-bearing member 52. The first housing component 10 is the main force-bearing point, the first housing component 10 is in contact with the forehead of the user, the second force-bearing member 52 is in contact with the back of the user's head, and the user presses the head-mounted device through the forehead and back of the head. 100 to support; since the first force-bearing member 51 is inclined at the second force-bearing member 52 on the forehead, and is in contact with the part above the user's forehead, it can stably support the head-mounted device 100, so that the user can wear more comfortable.

The above are the preferred embodiments of the present application. It should be pointed out that for those skilled in the art, without departing from the principles of the present application, several improvements and modifications can be made. The protection scope of this application.

Claims (19)

1. A head-mounted device, comprising:

the host shell and the shell are oppositely arranged;

the lacing assembly is connected with the main machine shell and the shell to form a frame and comprises a first head band and a second head band, one end of each of the first head band and the second head band is connected in the shell in an overlapping mode to form an overlapping portion, and the other end of each of the first head band and the second head band is exposed out of the shell;

the tightness adjusting mechanism is accommodated in the shell and provided with a ratchet and pawl mechanism, and the tightness adjusting mechanism is matched with the overlapped part through the ratchet and pawl mechanism so as to adjust the length of the overlapped part;

the first stress piece is arranged on the main machine shell and is positioned on the upper side of the frame; and

and the second stress piece is arranged on the shell and positioned at the lower side of the frame so as to share the stress of the head-mounted equipment only through the host shell, the first stress piece and the second stress piece.

2. The headset of claim 1, wherein the slack adjustment mechanism further comprises a knob assembly that cooperates with the ratchet-pawl mechanism to adjust the length of the overlapping portion.

3. The headset of claim 2, wherein the ratchet-pawl mechanism comprises:

the ratchet wheel is annular, the inner side wall of the ratchet wheel is provided with inner teeth, and the ratchet wheel is formed in the shell; and

a pawl assembly cooperating with the ratchet wheel to adjust the length of the overlapping portion;

the knob assembly is respectively matched with the pawl assembly and the ratchet wheel.

4. The headset of claim 3, wherein the pawl assembly comprises:

a mounting member;

the rotating plate is arranged on the mounting piece, is matched with the knob assembly and rotates relative to the mounting piece;

the pawl is pivoted on the mounting piece, one end of the pawl is abutted against the rotating plate, and the other end of the pawl is matched with the ratchet wheel; and

and the gear is arranged on the mounting piece and is driven by the rotating plate to rotate so as to adjust the length of the first head band and the second head band which are mutually overlapped.

5. The head-mounted apparatus according to claim 4, wherein the first headband and the second headband are respectively provided with length adjustment holes at the overlapping portion, the length adjustment holes are strip-shaped through holes, each of the first headband and the second headband is provided with saw teeth extending in a length direction of the through hole in the length adjustment holes, and the gear is placed in the length adjustment holes to be engaged with the saw teeth of each of the first headband and the second headband so as to adjust the length of the overlapping portion.

6. The headset of claim 4, wherein the pawl assembly further comprises a resilient member; one end of the elastic piece is abutted against the mounting piece, and the other end of the elastic piece is abutted against one end of the pawl matched with the ratchet wheel; the pawl and the ratchet wheel complete the conversion of two states of clamping and non-clamping under the matching of the elastic piece and the rotating plate.

7. Head-mounted apparatus according to claim 6, characterized in that the pawl has an edge on the side facing away from the spring, by means of which the pawl is configured to be engageable with the inner toothing of the ratchet wheel.

8. The head-mounted apparatus according to claim 7, wherein the mounting member is provided with a limiting portion on a path along which the rotating plate rotates, the rotating plate is provided with a notch engaged with the limiting portion, the limiting portion is located in the notch, and the limiting portion is configured to be in contact with an inner wall surface of the notch and not in contact therewith so as to rotate the rotating plate by a certain angle around a rotation axis thereof.

9. The head-mounted apparatus of claim 8, wherein the rotating plate has a curved outer wall surface configured to: when the rotating plate rotates around the rotating shaft of the rotating plate, the outer wall surface pushes the pawl to rotate, so that the pawl and the ratchet wheel complete the conversion between the clamping state and the non-clamping state.

10. The head-mounted apparatus of claim 9, wherein the number of the pawls is two, and the two pawls are symmetrically disposed on two sides of the rotating plate.

11. The headset of claim 4, wherein the axis of the gear is coaxial with the rotational axis of the rotating plate.

12. The headset of claim 4, wherein the knob assembly comprises:

a rotating disk exposed outside the housing;

the first transmission shaft extends from the inner surface of the rotating disc and is connected with the shell in a rotating mode; and

and one end of the second transmission shaft is coaxially arranged with the first transmission shaft, the middle part of the second transmission shaft is rotatably connected with the mounting part and is fixed with the rotating plate, and the other end of the second transmission shaft is rotatably connected with the shell.

13. The headset of claim 12, wherein the second drive shaft comprises:

a disk coaxially connected to the first transmission shaft, a side surface of which is in contact with the gear;

the first connecting shaft is coaxially fixed with the disc and is rotationally connected with the gear;

the second connecting shaft is coaxially fixed with the first connecting shaft and is coaxially and movably fixed with the rotating shaft of the rotating plate; and

and the third connecting shaft is coaxially fixed with the second connecting shaft and is rotationally connected with the shell.

14. The headset of claim 13, wherein the outer diameter of the disk is greater than the outer diameter of the first connecting shaft, and the radius of the disk is greater than the radius of the gear.

15. The headset of claim 14 wherein a perforated boss is provided in the housing to extend the first connecting shaft out of the housing.

16. A head-mounted device, comprising:

a main housing;

the tightness adjusting mechanism shell is arranged opposite to the main machine shell;

the first head band and the second head band are connected with the main machine shell and the tightness adjusting mechanism shell to form an annular frame, one end of each of the first head band and the second head band is provided with a length adjusting hole and is connected in the tightness adjusting mechanism shell in an overlapped mode, and the other end of each of the first head band and the second head band is arranged outside the tightness adjusting mechanism shell and is connected with the main machine shell;

the tight regulation mechanism accept in the tight regulation mechanism casing, the tight regulation mechanism includes:

a ratchet-pawl mechanism; and

the knob assembly extends into the ratchet-pawl mechanism and the length adjusting holes of the first headband and the second headband so as to adjust the overlapping length of the first headband and the second headband;

the first stress piece is arranged on the main machine shell and is positioned on the upper side of the annular frame; and

and the second stress piece is arranged on the shell of the tightness adjusting mechanism and positioned at the lower side of the annular frame so as to share the stress of the head-mounted equipment only through the host shell, the first stress piece and the second stress piece.

17. The headset of claim 16, wherein the first force bearing comprises:

a support plate;

the mounting plate is arranged at an obtuse angle with the support plate and is mounted on the host shell;

the neck is positioned between the support plate and the mounting plate and is connected with the support plate and the mounting plate; and

the soft cushion is arranged on the supporting plate.

18. The headset of claim 16, wherein the second force bearing member includes a fixed plate and a cushion wrapped around the fixed plate; the fixed plate is fixed on the shell of the tightness adjusting mechanism.

19. The headset of claim 18, wherein the slack adjustment mechanism housing has a connector disposed thereon; and the fixing plate is provided with a mounting hole corresponding to the connecting piece on the shell of the tightness adjusting mechanism.

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