CN108234706A - Electronic device - Google Patents

Abstract

The present application discloses an electronic device, which includes: a housing assembly, a circuit board assembly, a key assembly, a bracket and a pressure plate. The side of the housing assembly is provided with a mounting hole, and the housing assembly is also provided with a receiving groove connected to the mounting hole; the circuit board assembly, the bracket and the pressure plate are all arranged in the receiving groove, the bracket is provided with an opening, the key assembly part passes through the mounting groove and the opening to abut against the circuit board assembly, the pressure plate and the bracket cooperate to form a receiving space, and the receiving space is used to receive the circuit board assembly. In the above manner, the present application simplifies the installation method of the circuit board assembly.

Description

electronic device

technical field

The present application relates to electronic devices, in particular to an electronic device with keys.

Background technique

With the development of communication technology, electronic equipment, such as mobile phones, has gradually become an indispensable electronic product in life. The buttons on the fuselage have complex structures, such as volume keys. The complex structure usually makes them usable for too few times. Affect the service life of the mobile phone. In addition, the installation method of the circuit board assembly connected with the key assembly of the current electronic device is rather cumbersome.

Contents of the invention

The main technical problem to be solved by the present application is to provide an electronic device, which can simplify the installation of circuit board components.

In order to solve the above technical problems, a technical solution adopted by the present application is to provide an electronic device, which includes: a housing assembly, a circuit board assembly, a button assembly, a bracket and a pressure plate, and the side of the housing assembly is provided with a mounting hole , the housing assembly is also provided with an accommodating groove communicating with the installation hole; the circuit board assembly, bracket and pressure plate are all arranged in the accommodating groove, the bracket is provided with an opening, and the button assembly part passes through the installation groove and the opening and connects with the top of the circuit board assembly The accommodating space is formed by cooperation of the pressure plate and the support, and the accommodating space is used for accommodating the circuit board assembly.

The beneficial effects of the present application are: different from the situation of the prior art, the electronic device of the present application includes: a housing assembly, a circuit board assembly, a button assembly, a bracket and a pressure plate, and the side of the housing assembly is provided with a mounting hole, and the housing assembly also There is an accommodating groove connected with the mounting hole; the circuit board assembly, the bracket and the pressure plate are all arranged in the accommodating groove, the bracket is provided with an opening, and the button assembly passes through the installation groove and the opening to push against the circuit board assembly, the pressure plate and the bracket cooperate to form an accommodating space, and the accommodating space is used for accommodating circuit board components. Since the accommodating space formed by the cooperation of the pressure plate and the bracket is used to accommodate the circuit board assembly, the position of the circuit board assembly can be fixed, thereby protecting the circuit board assembly. Furthermore, since the circuit board assembly can extend into the accommodating space from the accommodating groove, It is not necessary to extend the circuit board assembly into the accommodating space from the side, so the installation method of the circuit board assembly can be simplified.

Description of drawings

FIG. 1 is a schematic diagram of an exploded structure of an electronic device according to an embodiment of the present application;

Fig. 2 is a schematic cross-sectional view of the connection of the side key assembly, the housing assembly and the key assembly according to the embodiment of the present application;

Fig. 3 is a schematic cross-sectional view along A-A of Fig. 2;

Fig. 4 is a top view of the button block of the first embodiment of the present application;

Fig. 5 is a top view of the button block according to the second embodiment of the present application;

Fig. 6 is a top view of the button block according to the third embodiment of the present application;

Fig. 7 is an enlarged schematic view of area A in Fig. 6;

Fig. 8 is a top view of the button block of the fourth embodiment of the present application

Figure 9 is a schematic structural view of the bracket of the embodiment of the present application

Fig. 10 is a schematic structural view of the pressing plate of the embodiment of the present application;

Fig. 11 is a schematic cross-sectional view along B-B of Fig. 10;

Fig. 12 is a schematic cross-sectional view along C-C of Fig. 10 .

Detailed ways

In order to make the above purpose, features and advantages of the present application more obvious and understandable, the specific implementation manners of the present application will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, for the convenience of description, only some structures related to the present application are shown in the drawings but not all structures. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

The terms "first", "second", etc. in this application are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or units inherent in these processes, methods, products or devices.

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 occurrences of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is understood explicitly and implicitly by those skilled in the art that the embodiments described herein can be combined with other embodiments.

Please refer to FIG. 1 . FIG. 1 is a schematic diagram of an exploded structure of an electronic device according to an embodiment of the present application.

The electronic device 10 can include a housing component 11 and a key component 12 .

Optionally, the electronic device 10 may be a smart phone, a tablet computer, a notebook computer, a smart watch, etc., which is not limited in this embodiment of the present application.

The casing assembly 11 may include a first casing assembly 111 and a second casing assembly 112. Optionally, the electronic device 10 may further include a display screen 1111, the first casing assembly 111 is used to fix the display screen 1111, and the second casing The body assembly 112 is used to cover the circuit board in the electronic device 10 to protect the internal structure of the electronic device 10 . The key assembly 12 may be disposed on the second housing assembly 112 , for example, the key assembly 12 may be disposed on a side of the second housing assembly 112 .

It should be noted that the first housing assembly 111 , the second housing assembly 112 and the key assembly 12 of the present application are only structural examples of this embodiment. In other embodiments, the housing assembly 11 may also be composed of other housing assemblies 11, for example, the housing assembly 11 may include a first housing assembly 111, a second housing assembly 112 and a third assembly, the second housing The body assembly 112 is disposed between the first housing assembly 111 and the third housing assembly 11 , and the key assembly 12 may be disposed on the second housing assembly 112 , and the application does not limit the location of the key assembly 12 .

In order to clearly illustrate the connection relationship between the button assembly 12 and the housing assembly 11, the housing assembly 11 will no longer be limited to the first housing assembly 111 or the second housing assembly 112, and the first housing assembly 111 and the second housing assembly 112 will be unified. The possible assembly is represented by housing assembly 11 .

Please refer to FIGS. 1 to 3 in conjunction. FIG. 2 is a schematic cross-sectional view of the connection of the side key assembly, the housing assembly, and the key assembly according to the embodiment of the present application. FIG. 3 is a schematic cross-sectional view along A-A of FIG. 2 .

Optionally, the key assembly 22 in the embodiment of the present application is described by taking the volume key of an electronic device as an example. In other embodiments, the key assembly 22 can also be a switch 232 key, a combination of a switch 232 key and a volume key, or a dial key or other keys, etc., which are not limited in this embodiment of the present application.

Optionally, in the embodiment of the present application, the key assembly 22 may be the same as the key assembly 12 in FIG. 1 . In this embodiment, the electronic device includes a housing 214 component 21 , a circuit board component 23 and a key component 22 .

The side of the housing 214 assembly 21 is provided with a mounting hole 211, and the housing 214 assembly 21 is also provided with a receiving groove 212 communicating with the mounting hole 211; the circuit board assembly 23 is arranged in the receiving groove 212; the button assembly 22 is at least partially penetrated Through the installation hole 211 and one end of the button assembly 22 abuts against the circuit board assembly 23 , the button assembly 22 is provided with at least one lug 2213 , the casing 214 assembly 21 is provided with a blocking wall 2131 , and the lug 2213 is limited by the blocking wall 2131 .

Optionally, the side of the housing 214 component 21 may be perpendicular to any side of the display screen.

The accommodating groove 212 is perpendicular to the installation hole 211 . The vertical arrangement of the accommodating groove 212 and the mounting hole 211 can make the housing 214 component 21 easy to process and convenient to match. In other embodiments, the installation hole 211 and the accommodating groove 212 can be arranged obliquely.

Optionally, the number of mounting holes 211 can be one or multiple, and the number of mounting holes 211 can be determined according to the functions realized by the keys. For example, when the side key is used as the switch 232 key of the electronic device, One mounting hole 211 can be set, and when the side key is used as a volume key of an electronic device, two mounting holes 211 can be set, and in other embodiments, the number of mounting holes 211 can also be greater than two, for example, The number of holes 211 may be three or four and so on.

Housing 214 The assembly 21 includes a middle frame 213 and a housing 214. The middle frame 213 is arranged on the side of the housing 214 away from the circuit board assembly 23 and is connected to the housing 214. The middle frame 213 can circle around the side of the housing 214. set up. A circle of recesses 2141 may be provided on the side of the housing 214 to allow the middle frame 213 to be partially accommodated in the recess, thereby fixing the position of the middle frame 213 on the housing 214 .

The middle frame 213 is provided with a first installation hole 2111 , and the housing 214 is provided with a second installation hole 2112 communicating with the first installation hole 2111 and a receiving groove 212 communicating with the second installation hole 2112 . In this embodiment, there are two second mounting holes 2112 , and the first mounting hole 2111 communicates with the two second mounting holes 2112 . In other embodiments, the number of the second installation hole 2112 may be one or at least three, and the first installation hole 2111 may communicate with one second installation hole 2112 or communicate with at least three second installation holes 2112 . The direction of the first mounting hole 2111 and the second mounting hole 2112 are set in the same direction, and both are set to be perpendicular to the direction of the side.

Optionally, the projection of the second installation hole 2112 on a plane perpendicular to the first direction completely falls into the first installation hole 2111 . Wherein, the first direction may be a direction from the first installation hole 2111 to the second installation hole 2112 .

Optionally, the cross-sectional shape of the second mounting hole 2112 may be circular, elliptical or polygonal, and the polygonal shape may be triangular, quadrangular, pentagonal and so on. For example, in this embodiment, the shape of the cross-section of the second mounting hole 2112 is circular, and in other embodiments, the shape of the cross-section of the second mounting hole 2112 can also be a triangle, a quadrangle, etc. Examples are not limited to this.

The accommodating groove 212 communicates with the two second installation holes 2112 , and the accommodating grooves 212 are perpendicular to the two second installation holes 2112 . In other embodiments, the accommodating groove 212 may communicate with one second installation hole 2112 or at least three second installation holes 2112 , and the accommodating groove 212 may also be inclined to the second installation hole 2112 .

The middle frame 213 is provided with a blocking wall 2131 , and the blocking wall 2131 can be arranged in a circle on a side of the middle frame 213 away from the housing 214 and perpendicular to the first direction. In other embodiments, multiple blocking walls 2131 can be provided on the middle frame 213 where the lugs 2213 are matched. m number of blocking walls 2131 are arranged on the position, where m is the number of lugs 2213 .

The button assembly 22 includes a button block 221 and an elastic member 224 . The button block 221 partially passes through the installation hole 211 and one end of the button block 221 abuts against the elastic member 224 . Specifically, the key block 221 partially passes through the first mounting hole 2111 and the second mounting hole 2112 and the first end of the key block 221 abuts against the elastic member 224 .

The button assembly 22 at least partially passes through the mounting hole 211 and one end of the button assembly 22 abuts against the circuit board assembly 23 . Specifically, the button assembly 22 at least partially passes through the first installation hole 2111 and the second installation hole 2112 , and one end of the button assembly 22 abuts against the circuit board assembly 23 . In this embodiment, the button assembly 22 partially passes through the first installation hole 2111 and the second installation hole 2112 and one end of the button assembly 22 abuts against the circuit board assembly 23 .

In this embodiment, the key block 221 includes a key block main body 2211 and two extensions 2212 , and the key block main body 2211 and the two extensions 2212 are connected. In other embodiments, the button block 221 may include a button block main body 2211 and one extension 2212 or at least three extensions 2212 , and the button block main body 2211 is connected to one extension 2212 or at least three extensions 2212 . The key block main body 2211 can be movably extended into the first installation hole 2111, and the extension part 2212 can be movably extended into the second installation hole 2112. The key block 221 and the extension part 2212 can be in the first direction or opposite to the first direction. activities in the direction.

The button block 221 is provided with at least one lug 2213 , and the lug 2213 cooperates with the blocking wall 2131 so that the lug 2213 is limited to the blocking wall 2131 . In other embodiments, the lug 2213 may be disposed on the extension portion 2212, which is not limited in this application.

Optionally, the number of lugs 2213 may be greater than or equal to one, for example, the number of lugs 2213 may be any one from 1 to 10, specifically, the number of lugs 2213 may be 1, 2, 4, 8 or 10. In this embodiment, the number of lugs 2213 is two.

Please refer to FIG. 4 . FIG. 4 is a top view of the button block according to the first embodiment of the present application.

In this embodiment, the shape of the lug 2213 may be a quadrilateral. The number of lugs 2213 is 8, and the 8 lugs 2213 are arranged on opposite sides of the key block 221 . In this embodiment, the lugs 2213 can be disposed on opposite sides of the key block 221 . In other embodiments, the lugs 2213 may not be opposite to each other. Alternatively, the lugs 2213 may be injection molded. The number of lugs 2213 is two, and the lugs 2213 are arranged on opposite sides of the key block 221 .

Please refer to FIG. 5 , which is a top view of the button block according to the second embodiment of the present application.

In this embodiment, the lug 2213 may include a first part 2214, a second part 2215 and a third part 2216, the first part 2214, the second part 2215 and the third part 2216 are sequentially connected, and the first part 2214 and the third part 2216 are opposite to each other. The second part 2215 is provided, the first part 2214 and the third part 2216 may be arc-shaped, and the second part 2215 may be quadrilateral, wherein, a side of the arc may be tangent to a side of the quadrilateral. Optionally, the arc can be a 1/4 circle.

The number of lugs 2213 is two, and the lugs 2213 are arranged on opposite sides of the key block 221 .

Optionally, the shape of the lug 2213 can also have other shapes, for example, the shape of the section of the lug 2213 along the vertical first direction can be a rounded rectangle, semicircle, circle, ellipse or polygon, wherein, The polygon may be a triangle, a pentagon, etc., and the embodiment of the present application does not limit the shape of the lug 2213 .

Please refer to FIGS. 6-7 . FIG. 6 is a top view of the button block according to the third embodiment of the present application; FIG. 7 is an enlarged schematic diagram of area A in FIG. 6 .

In this embodiment, the shape of the lugs 2213 can be the same as that of the lugs in the second embodiment, but the number of the lugs 2213 in this embodiment is 8, and the 8 lugs are arranged on opposite sides of the key block.

In the embodiment of the present application, by providing a plurality of lugs 2213, one lug 2213 can not affect the connection relationship between the key assembly 22 and the housing 214 assembly 21 after being destroyed, so that the key assembly 22 of the electronic device is not easily removed from the housing. 214 component 21 falls off, and further, since the embodiment of the present application provides a plurality of lugs 2213, the connection between the key component 22 and the housing 214 component 21 is more compact.

Please refer to FIG. 8 . FIG. 8 is a top view of the button block according to the fourth embodiment of the present application.

In this embodiment, the shape of the lugs 2213 can be the same as the shape of the lugs in the first embodiment, but the number of the lugs 2213 in this embodiment is 8, and the 8 lugs are arranged on both sides of the key block .

The two extension parts 2212 respectively at least partially pass through the two second mounting holes 2112 and abut against the circuit board assembly 23 . In other embodiments, the button block 221 may include a button block main body 2211 and one extension 2212 or at least three extensions 2212 . In this embodiment, the extension part 2212 can be arranged vertically to the key block 221 , and in other embodiments, the extension part 2212 can also be arranged obliquely to the key block 221 .

Optionally, the cross section of the extension part 2212 along the direction perpendicular to the first installation hole 2111 to the second installation hole 2112 may be circular, elliptical, polygonal or other shapes, for example, in this embodiment, the extension part 2212 The cross-sectional shape along the direction perpendicular to the first installation hole 2111 to the second installation hole 2112 is circular. The embodiment of the present application does not limit the shape of the extension part 2212 .

The elastic member 224 can be provided with a groove 225 and a protrusion 226 corresponding to the groove 225. The extension 2212 partially passes through the mounting hole 211 and one end of the extension 2212 is supported on the bottom of the groove 225. The protrusion 226 and the circuit board Component 23 pushes against. In other embodiments, the elastic member 224 may only be provided with the groove 225 without the protrusion 226 . In this embodiment, the elastic member 224 is provided with a groove 225 , and the extension portion 2212 is held against the bottom of the groove 225 , so that the extension portion 2212 can be prevented from sliding relative to the elastic member 224 , and the firmness of the button assembly 22 is improved.

Optionally, the material of the elastic member 224 may be elastic material such as silicone, rubber, spring or polymer. For example, in this embodiment, the material of the elastic member 224 is silicone. By setting the material of the elastic member 224 as silicone, the user can obtain a better hand feeling when using the keys. In other embodiments, the material of the elastic member 224 can also be a spring. The embodiment of the present application does not limit the material of the elastic member 224 .

Optionally, the key assembly 22 may further include a key cap 223, which is fixedly connected to the other end of the key block 221, and the key cap 223 is limited to the housing 214 assembly 21 after moving a preset distance. In the embodiment of the present application, the key cap 223 can be connected with the key block main body 2211 , and the key cap 223 can be covered on the key block main body 2211 .

Optionally, the preset distance may range from 0.1mm to 0.5mm, for example, the preset distance may be 0.1mm, 0.25mm or 0.5mm.

When the user does not press the button, the lug 2213 is limited by the blocking wall 2131, so that the button assembly 22 is limited in the housing 214 assembly 21. When the user presses the button, the lug 2213 moves away from the blocking wall 2131 Move until the key cap 223 is limited to the housing 214 assembly 21. At this time, the key block 221 presses the elastic member 224, triggers the deformation of the elastic member 224, and triggers the tact switch 232 through the elastic member 224, thereby triggering the tact switch 232 action, to realize predetermined functions by connecting some circuits of the circuit board 231 . For example, when the user presses the volume down button, the volume of the electronic device is lowered; when the user presses the volume up button, the volume of the electronic device is increased; when the user presses the switch 232 button, the electronic device is turned off.

In this embodiment, a bracket 24 and a pressing plate 25 are further provided in the accommodating groove 212 , the bracket 24 and the pressing plate 25 form an accommodating space, and the accommodating space is used for accommodating the circuit board assembly 23 .

Please refer to FIG. 9 . FIG. 9 is a schematic structural diagram of a stent according to an embodiment of the present application.

The bracket 24 is provided with an opening 242 , and the protruding portion 226 of the elastic member 224 partially passes through the opening 242 to abut against the circuit board assembly 23 . The protruding portion 226 , the bracket 24 and the pressing plate 25 form an accommodating space.

The support 24 includes a support main body 241, a first support arm 243 and a second support arm 244 that are connected to the support main body 241 and arranged at two ends of the support main body 241, and the first support arm 243 and the second support arm 244 are respectively arranged along the support main body 241. The first U-shaped arm and the second U-shaped arm extending inward after the edge is bent toward the side close to the circuit board assembly 23 .

The bracket main body 241 is provided with an opening 242 , and the opening 242 cooperates with the protruding portion 226 of the elastic member 224 so that the protruding portion 226 can pass through the through hole and abut against the circuit board assembly 23 . Optionally, the shape of the opening 242 may be circular, elliptical or polygonal.

Optionally, the bracket main body 241, the first bracket arm 243, and the second bracket arm 244 are integrally formed, and the first bracket arm 243 and the second bracket arm 244 can be formed into a first U-shaped arm and a second U-shaped arm by die-casting. arm. By configuring the first bracket arm 243 and the second bracket arm 244 as a first U-shaped arm and a second U-shaped arm respectively, the structure of the components in the accommodation slot 212 can be more compact and the installation is convenient. In other embodiments, the bracket 24 may not be provided with the first bracket arm 243 and the second bracket arm 244 , that is, the bracket 24 only includes the bracket body 241 .

Optionally, at least one protrusion is provided on the side of the bracket body 241 away from the circuit board assembly 23 , and the protrusion abuts against the housing 214 to limit the position of the bracket 24 in the accommodating groove 212 .

Please refer to Figures 10-12, Figure 10 is a schematic structural view of the pressing plate of the embodiment of the present application; Figure 11 is a schematic cross-sectional view along B-B of Figure 10; Figure 12 is a schematic cross-sectional view along C-C of Figure 10.

The pressing plate 25 includes a pressing plate main body 251, a third pressing plate arm 252 and a fourth pressing plate arm 253 connected to the pressing plate main body 251 and arranged at both ends of the pressing plate main body 251, the third pressing plate arm 252 and the first bracket arm 243 are arranged on the same side, and the fourth pressing plate The arm 253 and the second bracket arm 244 are set on the same side, and the third platen arm 252 and the fourth platen arm 253 are respectively set as a third U extending inwardly after being bent toward the side close to the key assembly 22 along the edge of the frame body 241. arm and a fourth U-arm.

The pressing plate main body 251 abuts against the housing 214 to define the position of the pressing plate 25 in the accommodating cavity.

Sides of the third pressing arm 252 and the fourth pressing arm 253 close to the key block 221 abut against the side of the bracket body 241 close to the circuit board assembly 23 . In other embodiments, the third platen arm 252 and the fourth platen arm 253 can be engaged with the bracket body 241. For example, the frame body 241 can be provided with a slot (not shown) to allow the third platen arm 252 and the fourth platen arm to The arm 253 is inserted into the slot, so that the third pressing arm 252 and the fourth pressing arm 253 are engaged with the bracket main body 241 .

The pressing plate 25 further includes at least one bent portion 254 disposed on the other two sides of the pressing plate main body 251 , and the bent portion 254 is bent toward a side close to the button assembly 22 .

Optionally, one bending portion 254 may be provided, or more than one may be provided.

Optionally, the shapes of the multiple bent portions 254 may be the same or different. In this embodiment, the shapes of the plurality of bent portions 254 are different.

For example, please refer to FIG. 11 , the bending portion 254 can be a step bending, and the bending portion 254 includes a first bending portion 2541, a second bending portion 2542 and a third bending portion 2543, the first bending portion 2541, The second bending part 2542 and the third bending part 2543 are connected sequentially, the first bending part 2541 is connected to the pressing plate main body 251, the first bending part 2541 is used to fix the circuit board assembly 23, the second bending part 2542 is connected to the bracket main body 241 to form an accommodating space.

In this embodiment, the second bending portion 2542 is perpendicular to the first bending portion 2541 and the second bending portion 2542 . In other embodiments, the second bent portion 2542 may not be perpendicular to the first bent portion 2541 and/or the second bent portion 2542 .

For another example, please refer to FIG. 12 , the bent portion 254 can also be a U-shaped bent portion 254 that is bent toward the side close to the button assembly 22 and then extended inwardly. The side abuts against the bracket main body 241 .

The sides of the third platen arm 252 and the fourth platen arm 253 away from the circuit board assembly 23 are both against the side of the bracket body 241 close to the circuit board assembly 23, the elastic member 224, the bracket body 241, the platen body 251, and the third platen arm 252 , the fourth platen arm 253 and at least one bent portion 254 form an accommodating space.

For another example, please refer to FIG. 11 and FIG. 12 in conjunction, the bending portion 254 may be bent only toward the side close to the button assembly 22 .

In the embodiment of the present application, the pressing plate main body 251 , the third pressing plate arm 252 , the fourth pressing plate arm 253 and the bending portion 254 are integrally formed. The pressing plate 25 can be formed by stamping, and in other embodiments, the pressing plate 25 can also be formed by die casting.

The circuit board assembly 23 includes a circuit board 231 and a tact switch 232 connected to the circuit board 231 and arranged on the side of the circuit board 231 close to the key assembly 22. One end of the key assembly 22 is against the tact switch 232. When the key assembly 22 is pressed, The action of the tact switch 232 can be triggered to communicate with some circuits of the circuit board 231 .

In this embodiment, the circuit board 231 may be a flexible circuit board 231 .

Optionally, the circuit board 231 is provided with a reinforcement board 233 on a side away from the key assembly 22 , and the circuit board 231 reinforcement board 233 is used to strengthen the strength of the circuit board 231 .

Different from the situation in the prior art, the electronic device of the present application includes: a housing assembly, a circuit board assembly, and a button assembly, the side of the housing assembly is provided with a mounting hole, and the housing assembly is also provided with a receiving groove communicating with the mounting hole; The board assembly is arranged in the accommodating groove; the button assembly at least partially passes through the mounting hole and one end of the button assembly is pressed against the circuit board assembly, the button assembly is provided with at least one lug, the housing assembly is provided with a blocking wall, and the lug is limited to the stopper wall. Through the above method, since the button assembly is provided with at least one lug, and the housing assembly is provided with a blocking wall, the lug is limited to the blocking wall, so the key can be prevented from being removed from the electronic device through the limiting effect between the lug and the blocking wall. fall off.

The above is only the implementation of the application, and does not limit the patent scope of the application. Any equivalent structure or equivalent process conversion made by using the specification and drawings of the application, or directly or indirectly used in other related technologies fields, are all included in the scope of patent protection of this application in the same way.

Claims (10)

1. An electronic device, characterized in that the electronic device comprises: a housing assembly, a circuit board assembly, a key assembly, a bracket and a pressing plate, the side of the housing assembly is provided with mounting holes, and the housing assembly also An accommodating groove communicating with the mounting hole is provided; the circuit board assembly, the bracket and the pressure plate are all arranged in the accommodating groove, the bracket is provided with an opening, and the button assembly partially passes through The mounting groove and the opening are abutted against the circuit board assembly, and the pressing plate cooperates with the bracket to form an accommodating space for accommodating the circuit board assembly. 2. The electronic device according to claim 1, wherein the bracket comprises a bracket body, a first bracket arm and a second bracket arm connected to the bracket body and arranged at two ends of the bracket body, the The first bracket arm and the second bracket arm are respectively configured as a first U-shaped arm and a second U-shaped arm that are bent along the edge of the bracket body toward a side close to the circuit board assembly and then extend inward. 3. The electronic device according to claim 2, wherein the pressing plate comprises a pressing plate main body, a third pressing plate arm and a fourth pressing plate arm connected to the pressing plate main body and arranged at both ends of the pressing plate main body, the The third platen arm is set on the same side as the first support arm, the fourth platen arm is set on the same side as the second support arm, and the third platen arm and the fourth platen arm are respectively arranged along the A third U-shaped arm and a fourth U-shaped arm extending inward after the edge of the main body of the pressure plate is bent toward the side close to the key assembly. 4. The electronic device according to claim 3, wherein the pressing plate further comprises at least one bent portion disposed on the other two sides of the pressing plate main body, and the bent portion is close to the button assembly. Bend on one side. 5. The electronic device according to claim 4, wherein the sides of the third press arm and the fourth press arm away from the circuit board assembly both abut against the bracket main body and are close to the circuit board The side of the assembly, the bracket main body, the pressing plate main body, the third pressing plate arm, the fourth pressing plate arm and the at least one bent portion form the accommodating space. 6. The electronic device according to claim 4 or 5, wherein the bending portion is bent in steps, and the bending portion includes a first bending portion, a second bending portion and a third bending portion , the first bending part, the second bending part and the third bending part are connected in sequence, the first bending part is connected to the main body of the pressing plate, and the first bending part is used for fixing The circuit board assembly and the second bent portion are connected to the bracket main body to form an accommodating space. 7. The electronic device according to claim 1, wherein the circuit board assembly comprises a circuit board and a tact switch connected to the circuit board and arranged on a side of the circuit board close to the key assembly, One end of the button assembly is pressed against the light touch switch, and the button assembly can trigger the action of the light touch switch when pressed to communicate with a part of the circuit of the circuit board, and the circuit board is far away from the button assembly A circuit board fixing part is arranged on the side of the circuit board, and the circuit board fixing part is used for fixing the circuit board. 8. The electronic device according to claim 1, wherein the key assembly comprises a key block, an elastic member and a key cap, the elastic member is provided with a groove and a protrusion corresponding to the groove, The button block partially passes through the installation groove and one end of the button block is supported on the bottom of the groove, the protrusion part passes through the opening and abuts against the circuit board assembly, and the button The cap is fixedly connected to the other end of the key block, and the key cap is limited to the housing assembly after moving a preset distance. 9 . The electronic device according to claim 1 , wherein the button assembly is provided with at least one boss, the housing assembly is provided with a blocking wall, and the boss is limited by the blocking wall. 10. The electronic device according to claim 1, wherein the casing assembly comprises a middle frame and a casing, and the middle frame is arranged on a side of the casing away from the circuit board and connected to the casing body connection, the middle frame is provided with a first installation hole, and the housing is provided with a second installation hole communicated with the first installation hole and the accommodating groove communicated with the second installation hole, so The blocking wall is disposed on a side of the middle frame away from the housing.