CN110547559A - Connecting chain link, watchband and wearing equipment thereof - Google Patents

Abstract

The invention discloses a connecting chain link, a watch strap and a wearable device thereof. The connecting chain link includes a chain link body and a support piece, and the ends extending upward on both sides of the chain link body are respectively provided with corresponding first connecting parts. and the second connecting part, the chain link body forms a U-shaped structure with the first connecting part and the second connecting part; the support is located in the middle of the U-shaped structure, and the two ends of the support are respectively Connected with the first connecting portion and the second connecting portion, an accommodating cavity is formed between the chain link body and the supporting member. The watch strap formed by the new connecting links provided by the present invention can be well adapted to flexible screen wearable devices, its deformation degree is controllable, it can prevent reflexion and twisting, and can well adapt to users The hand shape provides an excellent user experience. On the other hand, the connecting link can be integrally formed by powder metallurgy or wire cutting plus partial CNC machining, so that the cost of the wearable device is lower.

Description

A kind of connecting link, watch strap and wearing device thereof

technical field

The present invention relates to the field of terminal technology, and more specifically, to a connecting chain link, a watch strap and a wearable device thereof.

Background technique

With the development of science and technology, wearable devices with sports, sleep, heart rate monitoring, transportation, payment, reminders and other functions have gradually become the standard configuration of modern people.

In the related art, a watchband suitable for a wearable device adopts a silicone sleeve or a hinged watchband. Under the premise that flexible screen technology has been well developed and broken through, its low power consumption and bendable characteristics are suitable for any wearable device, and will bring users a very amazing experience. In the process of the development of existing wearable devices in the direction of being bendable and foldable, higher requirements are put forward for the straps suitable for wearable devices. The existing silicone sleeves or hinged straps cannot It is well adapted to the flexible screen of the wearable device. On the other hand, it is required that the strap adapted to the wearable device with the flexible screen should also adapt to the shape of the user's hand, so as to bring an excellent experience to the user.

Contents of the invention

The technical problem to be solved by the present invention is that the silicone sleeve or the hinged watchband in the related art cannot be well adapted to the flexible screen of the wearable device, and can adapt to the shape of the user's hand, so as to provide a connecting chain link, watchband and its wearables.

In order to solve the above technical problems, the present invention provides a connecting chain link, which is characterized in that it includes: a chain link body and a support member, and the ends extending upwards on both sides of the chain link body are respectively provided with corresponding first connecting parts and a second connecting part, the chain link body forms a U-shaped structure with the first connecting part and the second connecting part;

The support is located in the middle of the U-shaped structure, the two ends of the support are respectively connected to the first connecting part and the second connecting part, and a link body is formed between the chain link body and the support. A holding chamber.

Further, both ends of the first connecting part are respectively provided with first pin holes, and both ends of the second connecting part are respectively provided with second pin holes corresponding to the first pin holes;

The connecting link is movably connected to the adjacent connecting link through the first pin hole, the second pin hole and the pin.

Further, the outer end of the first connecting part is provided with a first concave platform, the first concave platform is formed by indenting the first connecting part inwardly, and the outer end of the second connecting part is provided with a The second concave platform corresponding to the first concave platform; when the connecting chain link is assembled with the adjacent connecting chain link, the other end outside the first connecting part is embedded in the adjacent connecting chain link The other outer end of the second connection part is fitted into the second recess of the adjacent connecting chain link.

Further, the first concave platform and the middle part of the first connecting part form a first inner arc end surface, and a part corresponding to the first concave platform is provided at the end of the first connecting part opposite to the first concave platform. a first outer arc end face matched with the inner arc end face;

The second concave platform and the middle part of the second connecting part form a second inner arc end surface corresponding to the first concave platform, and at the end of the second connecting part opposite to the second concave platform The portion is provided with a second outer arc end face adapted to the second inner arc end face and corresponding to the first outer arc end face.

Further, a first limiting protrusion is provided inside the first connecting part, and a second limiting protrusion corresponding to the first limiting protrusion is provided inside the second connecting part.

Further, the edge of the first concave platform is provided with a first limiting opening matching the first limiting protrusion, and a first limiting opening corresponding to the first limiting opening is provided on the second concave platform. A second limit opening corresponding to and adapted to the second limit protrusion; wherein, the size of the first limit opening is larger than the size of the first limit protrusion, and the second limit The size of the opening is larger than the size of the second limiting protrusion.

When the connecting chain link is assembled with the adjacent connecting chain link, the first limiting protrusion of the connecting link is inserted into the first limiting opening of the adjacent connecting link, and the connecting link The second limiting protrusion of the link is embedded in the second limiting opening of the adjacent connecting chain link, so as to realize the limiting between the connecting link and the adjacent connecting link.

Further, in the first state, the upper end surface of the first limiting opening abuts against the upper end surface of the first limiting protrusion of the adjacent connecting link, and the upper end surface of the second limiting opening The end surface abuts against the upper end surface of the second limiting protrusion of the adjacent connecting link; and/or, in the second state, the lower end surface of the first limiting opening The upper end surface of the upper end surface of the adjacent connecting chain link is in contact with the lower end surface of the first stop protrusion, and the lower end surface of the second position limiting port is in contact with the second stop protrusion of the adjacent connecting link. The raised lower end face abuts.

Further, a first slot with an upward opening is formed between the support member, the first stopper protrusion and the end of the first connecting portion corresponding to the first concave platform, and the support A second locking groove corresponding to the first locking groove is formed between the piece and the second limiting protrusion and the end of the second connecting portion corresponding to the second concave platform.

Further, the opening of the first card slot and the opening of the second card slot are respectively provided with locking protrusions.

Further, an open groove is defined on the upper end surface of the support member.

Further, the present invention also provides a watch strap, comprising: several above-mentioned connecting links and pins, and the connecting links are movably connected through the pins.

Further, the present invention also provides a wearable device, including: a watch strap and a flexible display screen, the watch strap includes the above-mentioned strap, and the flexible display screen is fixed on the watch strap.

Beneficial effect:

The present invention proposes a connecting chain link, a watch strap and a wearable device thereof. The connecting chain link includes a chain link body and a support member, and the ends extending upward on both sides of the chain link body are respectively provided with corresponding first connecting parts and the second connecting part, the chain link body forms a U-shaped structure with the first connecting part and the second connecting part; the support is located in the middle of the U-shaped structure, and the two ends of the support are respectively Connected with the first connecting portion and the second connecting portion, an accommodating cavity is formed between the chain link body and the supporting member. The strap formed by the new connecting links provided by the present invention can be well adapted to wearable devices with flexible screens. A user's hand shape provides an excellent user experience. On the other hand, the connecting link can be integrally formed by powder metallurgy or wire cutting plus partial CNC machining, so that the cost of the obtained wearable device is relatively low.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

Fig. 1 is a schematic structural diagram of a further wristband realizing various embodiments of the present invention;

Fig. 2 is a schematic diagram of the wireless communication system of the bracelet as shown in Fig. 1;

Fig. 3 is a schematic structural diagram of a connecting chain link provided by an embodiment of the present invention;

Fig. 4 is a cross-sectional view of a connecting chain link provided by an embodiment of the present invention;

Fig. 5 is a schematic diagram of a first state of a wristband composed of connecting links provided by an embodiment of the present invention;

Fig. 6 is a schematic diagram of a second state of a watch strap composed of connected links provided by an embodiment of the present invention;

Fig. 7 is the bottom view of the connecting link provided in Fig. 5;

Fig. 8 is a schematic structural diagram of a wearable device provided by an embodiment of the present invention.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

In the following description, use of suffixes such as 'module', 'part' or 'unit' for denoting elements is only for facilitating description of the present invention and has no specific meaning by itself. Therefore, 'module', 'part' or 'unit' may be used in combination.

The wearable device of the present invention may be a terminal with a bendable characteristic, the display screen of the wearable device may be a flexible screen, and the wearable device of the present invention may be implemented in various forms. For example, the wearable device described in the present invention may be a wearable device such as a mobile phone, a portable media player (Portable Media Player, PMP), a navigation device, and a smart bracelet.

In the subsequent description, a wristband will be taken as an example, and those skilled in the art will understand that, in addition to elements specially used for mobile purposes, the configuration according to the embodiments of the present invention can also be applied to fixed type terminals.

Please refer to FIG. 1 , which is a schematic diagram of the hardware structure of a wristband for realizing various embodiments of the present invention. The wristband 100 may include: an RF (Radio Frequency, radio frequency) unit 101, a WiFi module 102, an audio output unit 103, a /V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111 and other components. Those skilled in the art can understand that the bracelet structure shown in Figure 1 does not constitute a limitation on the bracelet, and the bracelet may include more or less components than shown in the illustration, or combine some components, or arrange different components .

Below in conjunction with Figure 1 each component of the bracelet is specifically introduced:

The radio frequency unit 101 can be used for sending and receiving information or receiving and sending signals during a call. Specifically, after receiving the downlink information of the base station, it is processed by the processor 110; in addition, the uplink data is sent to the base station. Generally, the radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with the network and other devices through wireless communication. The above wireless communication can use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication, Global System for Mobile Communications), GPRS (General Packet Radio Service, General Packet Radio Service), CDMA2000 (Code Division Multiple Access 2000, Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, Time Division Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division Duplexing-Long Term Evolution, Frequency Division Duplexing Long Term Evolution) and TDD-LTE (Time DivisionDuplexing-Long Term Evolution, Time Division Duplexing Long Term Evolution), etc.

WiFi is a short-distance wireless transmission technology. The bracelet can help users send and receive emails, browse web pages, and access streaming media through the WiFi module 102. It provides users with wireless broadband Internet access. Although Fig. 1 shows the WiFi module 102, it can be understood that it is not an essential component of the wristband, and can be completely omitted as required without changing the essence of the invention.

The audio output unit 103 can store the information received by the radio frequency unit 101 or the WiFi module 102 or in the memory 109 when the wristband 100 is in a call signal receiving mode, a call mode, a recording mode, a voice recognition mode, a broadcast receiving mode, or the like. The audio data is converted into an audio signal and output as sound. Moreover, the audio output unit 103 may also provide audio output related to a specific function performed by the wristband 100 (for example, call signal reception sound, message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.

The A/V input unit 104 is used to receive audio or video signals. The A/V input unit 104 may include a graphics processing unit (Graphics Processing Unit, GPU) 1041 and a microphone 1042, and the graphics processing unit 1041 is used for still pictures or The image data of the video is processed. The processed image frames may be displayed on the display unit 106 . The image frames processed by the graphics processor 1041 may be stored in the memory 109 (or other storage media) or sent via the radio frequency unit 101 or the WiFi module 102 . The microphone 1042 can receive sound (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, and the like operating modes, and can process such sound as audio data. The processed audio (voice) data can be converted into a format transmittable to a mobile communication base station via the radio frequency unit 101 for output in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the process of receiving and transmitting audio signals.

The wristband 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 1061 according to the brightness of the ambient light, and the proximity sensor can turn off the display panel 1061 and the / or backlighting. As a kind of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when it is stationary, and can be used to identify the application of mobile phone posture (such as horizontal and vertical screen switching, related Games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap), etc.; as for mobile phones, fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, Other sensors such as thermometers and infrared sensors will not be described in detail here.

The display unit 106 is used to display information input by the user or information provided to the user. The display unit 106 may include a display panel 1061, and the display panel 1061 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD), an organic light-emitting diode (Organic Light-Emitting Diode, OLED), or the like.

The user input unit 107 can be used to receive input numbers or character information, and generate key signal input related to user settings and function control of the wristband. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072 . The touch panel 1071, also referred to as a touch screen, can collect touch operations of the user on or near it (for example, the user uses any suitable object or accessory such as a finger or a stylus on the touch panel 1071 or near the touch panel 1071). operation), and drive the corresponding connection device according to the preset program. The touch panel 1071 may include two parts, a touch detection device and a touch controller. Among them, the touch detection device detects the user's touch orientation, and detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and sends it to the to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. In addition to the touch panel 1071 , the user input unit 107 may also include other input devices 1072 . Specifically, other input devices 1072 may include, but are not limited to, one or more of physical keyboards, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, etc., which are not limited here. .

Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation on or near it, it transmits to the processor 110 to determine the type of the touch event, and then the processor 110 determines the type of the touch event according to the The type provides a corresponding visual output on the display panel 1061 . Although in FIG. 1, the touch panel 1071 and the display panel 1061 are used as two independent components to realize the input and output functions of the bracelet, in some embodiments, the touch panel 1071 and the display panel 1061 can be integrated. The implementation of the input and output functions of the wristband is not limited here.

The interface unit 108 is used as an interface through which at least one external device can be connected with the bracelet 100 . For example, an external device may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) ports, video I/O ports, headphone ports, and more. The interface unit 108 can be used to receive input from an external device (for example, data information, power, etc.) transfer data between.

The memory 109 can be used to store software programs as well as various data. The memory 109 can mainly include a program storage area and a data storage area, wherein the program storage area can store an operating system, at least one application program required by a function (such as a sound playback function, an image playback function, etc.) etc.; Data created by the use of mobile phones (such as audio data, phonebook, etc.), etc. In addition, the memory 109 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage devices.

The processor 110 is the control center of the wristband. It utilizes various interfaces and lines to connect various parts of the entire wristband, and runs or executes software programs and/or modules stored in the memory 109, and calls data stored in the memory 109. , execute various functions of the bracelet and process data, so as to monitor the bracelet as a whole. The processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface and application programs, etc., and the modem The processor mainly handles wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 110 .

The wristband 100 can also include a power supply 111 (such as a battery) for supplying power to various components. Preferably, the power supply 111 can be logically connected to the processor 110 through a power management system, so as to manage charging, discharging, and power consumption through the power management system. and other functions.

Although not shown in FIG. 1 , the wristband 100 may also include a Bluetooth module, etc., which will not be repeated here.

In order to facilitate the understanding of the embodiments of the present invention, the following describes the communication network system on which the wristband of the present invention is based.

Please refer to FIG. 2. FIG. 2 is a structure diagram of a communication network system provided by an embodiment of the present invention. The communication network system is an LTE system of general mobile communication technology, and the LTE system includes UEs (User Equipment, User Equipment) connected in sequence ) 201, E-UTRAN (Evolved UMTS Terrestrial Radio Access Network, Evolved UMTS Terrestrial Radio Access Network) 202, EPC (Evolved Packet Core, Evolved Packet Core Network) 203 and the operator's IP service 204.

Specifically, the UE 201 may be the aforementioned wristband 100 , which will not be repeated here.

E-UTRAN 202 includes eNodeB 2021 and other eNodeB 2022 and so on. Wherein, the eNodeB2021 can be connected to other eNodeB2022 through a backhaul (for example, X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 can provide access from the UE201 to the EPC203.

EPC203 may include MME (Mobility Management Entity, Mobility Management Entity) 2031, HSS (Home Subscriber Server, Home Subscriber Server) 2032, other MME2033, SGW (Serving Gate Way, Serving Gateway) 2034, PGW (PDN Gate Way, packet data Network Gateway) 2035 and PCRF (Policy and Charging Rules Function, Policy and Charging Functional Entity) 2036, etc. Wherein, MME2031 is a control node that processes signaling between UE201 and EPC203, and provides bearer and connection management. HSS2032 is used to provide some registers to manage functions such as home location register (not shown in the figure), and save some user-specific information about service features and data rates. All user data can be sent through SGW2034, PGW2035 can provide UE 201 IP address allocation and other functions, PCRF2036 is the policy and charging control policy decision point of service data flow and IP bearer resources, it is the policy and charging execution function A unit (not shown) selects and provides available policy and charging control decisions.

The IP service 204 may include Internet, Intranet, IMS (IP Multimedia Subsystem, IP Multimedia Subsystem) or other IP services.

Although the LTE system is taken as an example above, those skilled in the art should know that the present invention is not only applicable to the LTE system, but also applicable to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA and future new wireless communication systems. The network system, etc., are not limited here.

Based on the aforementioned hardware structure of the bracelet and the communication network system, various embodiments of the present invention are proposed.

First embodiment:

Please refer to FIG. 3 . FIG. 3 is a schematic structural diagram of a connecting chain link provided by an embodiment of the present invention. The connecting chain link 30 includes a chain link body 31 and a support member 32. The ends extending upward on both sides of the chain link body 31 are respectively provided with corresponding first connecting parts 311 and second connecting parts 312. The chain link body 31 forms a U-shaped structure with the first connecting portion 311 and the second connecting portion 312; in practical applications, the first connecting portion 311 and the second connecting portion 312 may have the same structure or different structures structure. In this embodiment, the first connecting portion 311 and the second connecting portion 312 are symmetrically disposed on the ends extending upwards on both sides of the chain link body 31 .

Referring to FIG. 4 , it is a cross-sectional view of a connecting chain link provided by an embodiment of the present invention. The support member 32 is located in the middle of the U-shaped structure, the two ends of the support member 32 are respectively connected to the first connecting portion 311 and the second connecting portion 312, and the chain link body 31 is connected to the An accommodating cavity 33 is formed between the support members 32 . Further, the accommodating cavity 33 is used for accommodating the power shrapnel. When the several connecting links 30 form a wearable device strap, all the accommodating cavities 33 of the connecting links 30 form a through cavity. The chain link body 31 and/or the support member 32 of the last link of the wearable device strap connects the link body 31 and/or the support member 32, and the power shrapnel can be riveted and fixed in the through cavity formed by the accommodating cavity 33, so as to realize the strap Deformation occurs and bending occurs. Of course, in addition to the power shrapnel, the accommodating cavity can also accommodate FPC (Flexible Printed Circuit) flexible circuit boards and the like.

The connecting link 30 can be integrally formed by powder metallurgy or wire cutting plus partial CNC machining, and the connecting link 30 can also be formed by forging and cutting. In addition, they can be manufactured in a separate manner, and then assembled together, and the assembly method can be glued or welded.

Further, both ends of the first connecting part 311 are respectively provided with first pin holes 3115, and both ends of the second connecting part 312 are respectively provided with second pin holes corresponding to the first pin holes 3115 3125; In this embodiment, because the adjacent connecting chain links 30 are connected by round hole pins, it means that the neutral layer of the mechanism is on the layer where the center of the pin hole is located, and the length of the neutral layer cannot be bent before and after bending. Change occurs, when the strap formed by several connecting links is bent, the part below the neutral layer will be compressed and the length will be shortened, and the part above the neutral layer will be stretched to the length of the side. Exemplarily, the part above the neutral layer is set as a flexible screen, the neutral layer is set as a substrate, the neutral layer is set as a screen substrate, and the part below the neutral layer is set as a power spring. When the strap formed by several connecting links is bent , the stretched length of the flexible screen becomes longer, the screen substrate does not change before and after bending, and the compressed length of the power shrapnel becomes shorter.

The connecting link 30 is movably connected to the adjacent connecting link 30 through the first pin hole 3115 , the second pin hole 3125 and the pin. That is to say, several link links 30 are connected by pins, which can realize proper rotation at a certain angle.

Further, a first concave platform (not shown in the figure) is provided at the outer end of the first connecting part 311, and the first concave platform is formed by indenting the first connecting part 311 inwardly. The outer end of the two connecting parts 312 is provided with a second concave platform 3123 corresponding to the first concave platform; when the connecting link 30 is assembled with the adjacent connecting link 30, the first connecting part The other end of the outer side is fitted into the first concave platform of the adjacent connecting link, and the other outer end of the second connecting part is fitted into the second concave platform of the adjacent connecting link. The design of the concave platform can prevent the twisting of the strap formed by several connecting links 30 from bringing bad experience to the user. Here, the shape of the end surface formed by the first concave platform and the middle part of the first connecting part 311 is not limited, and the shape of the end surface formed by the second concave platform 3123 and the middle part of the second connecting part 312 is not limited, and it can be The arc end surface can be a serrated end surface, or other irregular shape end surface, as long as the end surface is suitable for the opposite end of the first concave platform or the opposite end of the second concave platform and can make the adjacent connecting chain festival activities.

In this embodiment, the first concave platform and the middle part of the first connecting portion 311 form a first inner arc end face, and are arranged at the end of the first connecting portion 311 opposite to the first concave platform. There is a first outer arc end face adapted to the first inner arc end face; the second concave platform 3123 and the middle part of the second connecting part 312 form a second concave platform corresponding to the first concave platform. an inner arc end face, and at the end of the second connecting portion opposite to the second concave platform 3123 is provided a The corresponding second outer arc end face.

Further, the inside of the first connecting portion 311 is provided with a first limiting protrusion 3111 , and the inner side of the second connecting portion 312 is provided with a second limiting protrusion corresponding to the first limiting protrusion 3111 bumps (not shown).

Further, the edge of the first concave platform is provided with a first limiting opening 3112 matching with the first limiting protrusion 3111, and the second concave platform 3123 is provided with the first limiting opening 3112. The second limit opening 3122 corresponding to the position opening 3112 and adapted to the second limit protrusion; wherein, the size of the first limit opening 3112 is larger than that of the first limit protrusion 3111 Size, the size of the second limiting opening 3122 is larger than the size of the second limiting protrusion.

When the connecting link 30 is assembled with the adjacent connecting link 30 , the first limiting protrusion 3111 of the connecting link 30 is inserted into the first limiting opening of the adjacent connecting link 30 3112, the second limiting protrusion of the connecting link 30 is embedded in the second limiting opening 3122 of the adjacent connecting link 30, so as to realize the connection between the connecting link 30 and the adjacent connecting link. The limit between 30. The limit position can realize controllable rotation at a certain angle, so that the strap composed of several connecting links can adapt to the hand shapes of different people.

Further, in the first state, the first state refers to that when the watch strap composed of several connecting links does not produce deformation, the watch strap composed of several connecting links is at an overall angle of 180 degrees, as shown in Figure 5 for the implementation of the present invention The example provides a schematic diagram of the first state of a wristband composed of connected links. The upper end surface of the first limiting opening 3112 abuts against the upper end surface of the first limiting protrusion 3111 of the adjacent link 30, and the upper end surface of the second limiting opening 3122 abuts against the adjacent connecting link 30. The upper end surface of the second limiting protrusion of the connecting link 30 abuts, and due to the abutment of the limiting protrusion and the limiting opening, the adjacent link can only bend downwards, thereby preventing the formation of several connecting links. The strap is reflexed. And/or, in the second state, the first state refers to that when the watch strap composed of several connecting links is deformed and bent, the watch strap composed of several connecting links is in the shape of an arc as a whole, as shown in Figure 6 A schematic diagram of a second state of a wristband composed of connected links provided by an embodiment of the present invention. The lower end surface of the first limiting opening 3112 abuts against the lower end surface of the first limiting protrusion 3111 of the adjacent connecting link 30, and the second The lower end surface of the limiting opening 3122 abuts against the lower end surface of the second limiting protrusion of the adjacent link 30 . Due to the abutment of the position-limiting projection and the position-limiting opening, the adjacent chain links are bent to the maximum extent, thereby preventing excessive bending of the watch strap composed of several connected chain links.

Further, a first locking groove 3114 with an upward opening is formed between the support member 32, the first stop protrusion 3111 and the end of the first connecting portion 311 corresponding to the first concave platform, and A second corresponding to the first locking groove 3114 is formed between the support member 32 , the second limiting protrusion and the end of the second connecting portion 312 corresponding to the second recess 3123 . card slot (not shown in the figure). The first card slot and the second card slot are used to fix other objects. Exemplarily, the silicone sleeve can be fastened to the strap composed of the plurality of connecting links through the first card slot and the second card slot.

In this embodiment, the opening of the first card slot 3114 and the opening of the second card slot are respectively provided with locking protrusions. The shape of the slot protrusion is not limited here, and the slot protrusion is used to fasten other objects on the strap composed of the connecting links.

Further, an opening groove 321 is defined on the upper surface of the support member 32 . Exemplarily, the shape of the opening groove 321 may be rectangular, elliptical, triangular, or irregular, which is not limited here, and the depth of the opening groove 321 is also not limited here. In this embodiment, the opening slot 321 is for accommodating an FPC flexible circuit board. Of course, the opening slot 321 can also accommodate other objects, for example, such as power shrapnel and the like.

This embodiment proposes a connecting chain link, which includes a chain link body and a support member, and the ends extending upward on both sides of the chain link body are respectively provided with corresponding first connecting parts and second connecting parts, The chain link body forms a U-shaped structure with the first connecting portion and the second connecting portion; the support is located in the middle of the U-shaped structure, and the two ends of the support are respectively connected to the first The part is connected with the second connecting part, and an accommodating cavity is formed between the chain link body and the support member. Through the connecting links provided by the present invention, the watch strap formed by combination can be well adapted to flexible screen wearable devices. A user's hand shape provides an excellent user experience. On the other hand, the connecting link can be integrally formed by powder metallurgy or wire cutting plus partial CNC machining, so that the cost of the obtained wearable device is relatively low.

Second embodiment:

The watch strap assembly provided by the embodiment of the present invention includes several connecting links and pins, the connecting links include a link body and a support member, and the ends extending upward on both sides of the link body are respectively set There are corresponding first connecting parts and second connecting parts, the chain link body forms a U-shaped structure with the first connecting part and the second connecting part; the support member is located in the middle of the U-shaped structure, and the Both ends of the support are respectively connected to the first connecting portion and the second connecting portion, and an accommodating cavity is formed between the chain link body and the support. The connecting links are movably connected by the pins.

In this embodiment, a watch strap composed of two connecting links 30 is taken as an example for description below. As shown in FIG. 7 , the strap assembly 70 includes a first connecting link 30 and a second connecting link 30 , and a pin for fixing the first connecting link 30 and the second connecting link 30 , through which the pin active connection.

The wristband of this embodiment is composed of several connecting links 30 in the first embodiment, and will not be repeated here.

This embodiment proposes a watch strap, which includes several connecting links and pins. The connecting links include a link body and a support member. The ends extending upward on both sides of the link body are respectively provided with Corresponding to the first connecting portion and the second connecting portion, the chain link body forms a U-shaped structure with the first connecting portion and the second connecting portion; the support member is located in the middle of the U-shaped structure, and the Both ends of the support are respectively connected to the first connecting portion and the second connecting portion, and an accommodating cavity is formed between the chain link body and the support. The connecting links are movably connected by the pins. The wristband formed by connecting links provided by the present invention can be well adapted to flexible screen wearable devices, and its deformation degree is controllable, and it can prevent reflexion and distortion, and can well adapt to various users The hand-shaped shape provides an excellent user experience. On the other hand, the connecting link can be integrally formed by powder metallurgy or wire cutting plus partial CNC machining, so that the cost of the obtained wearable device is relatively low.

third embodiment

Fig. 8 is a schematic structural diagram of a wearable device provided by an embodiment of the present invention. The wearable device 80 includes a device body 1 and a watch strap 2, wherein the watch strap 2 is composed of connecting links 30 in the aforementioned several embodiments, which are not shown here. Let me repeat.

It should be noted that, in this document, the term "comprising", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.

The serial numbers of the above embodiments of the present invention are for description only, and do not represent the advantages and disadvantages of the embodiments.

Through the description of the above embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation. Based on such an understanding, the essence of the technical solution of the present invention or the part that contributes to the prior art can be embodied in the form of software products, and the computer software products are stored in a storage medium (such as ROM/RAM, disk, CD-ROM), including several instructions to make a terminal (which may be a mobile phone, computer, server, air conditioner, or network device, etc.) execute the method of each embodiment of the present invention.

Embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementations, and the above-mentioned specific implementations are only illustrative, rather than restrictive, and those of ordinary skill in the art will Under the enlightenment of the present invention, many forms can also be made without departing from the gist of the present invention and the protection scope of the claims, and these all belong to the protection of the present invention.

Claims (12)

1. A connecting chain link, characterized in that it comprises: a chain link body and a support member, the ends extending upwards on both sides of the chain link body are respectively provided with corresponding first connecting parts and second connecting parts, the The chain link body forms a U-shaped structure with the first connecting portion and the second connecting portion; The support is located in the middle of the U-shaped structure, the two ends of the support are respectively connected to the first connecting part and the second connecting part, and a link body is formed between the chain link body and the support. A holding chamber. 2. The connection chain link according to claim 1, characterized in that, first pin holes are respectively provided at both ends of the first connection part, and first pin holes are respectively provided at both ends of the second connection part. a second pin hole corresponding to the first pin hole; The connecting link is movably connected to the adjacent connecting link through the first pin hole, the second pin hole and the pin. 3. The connecting chain link according to claim 2, wherein a first concave platform is provided at the outer end of the first connecting part, and the first concave platform is recessed from the first connecting part to its inner side forming a second concave platform corresponding to the first concave platform at an outer end of the second connecting part; When the connecting link is assembled with the adjacent connecting link, the other end outside the first connecting part fits in the first recess of the adjacent connecting link, and the second link The other end on the outer side of the part fits in the second concave platform of the adjacent connecting chain link. 4. The connecting chain link according to claim 3, characterized in that, the first concave platform and the middle part of the first connecting part form a first inner arc end surface, and between the first connecting part and the The opposite end of the first recess is provided with a first outer arc end face adapted to the first inner arc end face; The second concave platform and the middle part of the second connecting part form a second inner arc end surface corresponding to the first concave platform, and at the end of the second connecting part opposite to the second concave platform The portion is provided with a second outer arc end face adapted to the second inner arc end face and corresponding to the first outer arc end face. 5. The connecting chain link according to claim 3, characterized in that, a first limiting protrusion is provided on the inside of the first connecting part, and a stopper that is compatible with the first limiting protrusion is provided on the inner side of the second connecting part. The second limit protrusion corresponding to the position protrusion. 6. The connecting chain link according to claim 5, characterized in that, the edge of the first recess is provided with a first position-limiting opening that fits with the first position-limiting protrusion, and the The second concave platform is provided with a second limiting opening corresponding to the first limiting opening and matching with the second limiting protrusion; wherein, the size of the first limiting opening is larger than the The size of the first limiting protrusion, the size of the second limiting opening is larger than the size of the second limiting protrusion. When the connecting chain link is assembled with the adjacent connecting chain link, the first limiting protrusion of the connecting link is inserted into the first limiting opening of the adjacent connecting link, and the connecting link The second limiting protrusion of the link is embedded in the second limiting opening of the adjacent connecting chain link, so as to realize the limiting between the connecting link and the adjacent connecting link. 7. The connecting chain link according to claim 6, characterized in that, in the first state, the upper end surface of the first limiting opening is in contact with the first limiting protrusion of the adjacent connecting link The upper end surface abuts, and the upper end surface of the second position limiting port abuts against the upper end surface of the second position limiting protrusion of the adjacent connecting link; and / or, In the second state, the lower end surface of the first limiting port abuts against the lower end surface of the first limiting protrusion of the adjacent connecting link, the The lower end surface of the second limiting opening abuts against the lower end surface of the second limiting protrusion of the adjacent connecting chain link. 8. The connecting chain link according to claim 3, characterized in that, a gap is formed between the support member, the first limiting protrusion and the end of the first connecting portion corresponding to the first concave platform. A first card slot with an upward opening, and is formed between the support member, the second stopper protrusion and the end of the second connecting portion corresponding to the second concave platform, which is connected with the first card slot. slot corresponding to the second card slot. 9 . The connecting chain link according to claim 8 , characterized in that, the opening of the first locking slot and the opening of the second locking slot are respectively provided with locking protrusions. 10 . 10 . The connecting chain link according to claim 2 , wherein an open slot is defined on the upper end surface of the support member. 11 . 11. A watch strap, characterized in that it comprises: several connecting links according to any one of claims 1-10, and the connecting links are movably connected by pins. 12. A wearable device, characterized by comprising: a strap and a flexible display, the strap comprising the strap according to claim 11, the flexible display being fixed on the strap.