Wearable device

By introducing a connecting strap and a slider design into VR glasses, and utilizing the slider to bend within a sliding groove, the problem of inconvenient storage and carrying of VR glasses is solved, achieving a smaller storage volume and greater portability.

CN116338967BActive Publication Date: 2026-05-29VIVO MOBILE COMM CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
VIVO MOBILE COMM CO LTD
Filing Date
2023-04-06
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing VR glasses are bulky, making them inconvenient to store and carry.

Method used

Design a wearable device that uses a combination of a connecting strap and a slider. The slider slides within a sliding groove and can be bent, increasing the range of motion and reducing the storage volume.

Benefits of technology

By increasing the travel distance of the connecting belt, the size of the equipment when stored is reduced, improving portability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a wearable device, which comprises a device main body, a connecting band, a shell and a sliding piece, the first end of the connecting band is connected with the device main body, the shell is internally provided with a sliding groove, the sliding cavity has a bending section, the second end of the connecting band is connected with the sliding piece, the sliding piece can slide in the sliding groove, and at least a part of the sliding piece can be bent along the bending section.
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Description

Technical Field

[0001] This application belongs to the field of smart wearable device technology, and specifically relates to a wearable device. Background Technology

[0002] As living standards improve, VR glasses are gradually being promoted and used.

[0003] Current VR glasses are relatively large, requiring a significant amount of storage space, which causes considerable inconvenience for users in storing and carrying them. Summary of the Invention

[0004] This application aims to provide a wearable device that at least solves the problem of inconvenient storage and carrying of VR glasses.

[0005] To solve the above-mentioned technical problems, this application is implemented as follows:

[0006] This application provides an embodiment of a wearable device, including:

[0007] Equipment body;

[0008] The connecting belt has its first end connected to the main body of the equipment.

[0009] The housing has a sliding groove inside, and the sliding groove has a bent section;

[0010] The slider is connected to the second end of the connecting strip. The slider can slide in the sliding groove, and at least a portion of the slider can be bent along the bending section.

[0011] In the embodiments of this application, during the movement of the sliding member relative to the housing, when a portion of the sliding member passes through the bending section, it can continue to slide along the sliding groove because it can bend along the bending section. This allows the sliding member to continue to drive the connecting strip into or out of the housing. Alternatively, during the process of extending the connecting strip into the housing, the sliding member gradually slides away from the bending section and can then continue to slide in the non-bending section. Compared to a sliding groove without a bending section, this embodiment bends a portion of the sliding groove, which increases the sliding stroke of the sliding member within the same installation space. This increases the stroke of the connecting strip, expands the adjustment range of the distance between the device body and the housing, and consequently reduces the volume of the wearable device during storage, making it easier for users to store the device.

[0012] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0013] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0014] Figure 1 This is a schematic diagram of the connecting strap in a retracted state in a wearable device according to an embodiment of this application;

[0015] Figure 2 This is a schematic diagram of the connecting strap in the unfolded state in a wearable device according to an embodiment of this application;

[0016] Figure 3 This is one of the structural schematic diagrams of a wearable device according to an embodiment of this application;

[0017] Figure 4 This is a second schematic diagram of the structure of a wearable device according to an embodiment of this application;

[0018] Figure 5 This is the third structural schematic diagram of a wearable device according to an embodiment of this application;

[0019] Figure 6 This is a schematic diagram of the main housing structure according to an embodiment of this application;

[0020] Figure 7 This is a schematic diagram of the structure of the cover according to an embodiment of this application;

[0021] Figure 8 This is a partial structural schematic diagram of a wearable device according to an embodiment of this application;

[0022] Figure 9 This is one of the schematic diagrams of the assembly structure of the first sliding member, the second sliding member, and the driving member on the main housing according to an embodiment of this application;

[0023] Figure 10 This is a second schematic diagram of the assembly structure of the first sliding member, the second sliding member, and the driving member on the main housing according to an embodiment of this application;

[0024] Figure 11 This is the third schematic diagram of the assembly structure of the first sliding member, the second sliding member, and the driving member on the main housing according to the embodiments of this application;

[0025] Figure 12 This is the fourth schematic diagram of the assembly structure of the first sliding member, the second sliding member, and the driving member on the main housing according to the embodiments of this application;

[0026] Figure 13 This is a schematic diagram showing the first connecting strip and the second connecting strip overlapping each other according to an embodiment of this application;

[0027] Figure 14This is one of the schematic diagrams showing the first connecting strip and the second connecting strip in a mutually unfolded manner according to an embodiment of this application;

[0028] Figure 15 This is a second schematic diagram showing the first and second connecting strips in a mutually unfolded configuration according to an embodiment of this application.

[0029] Figure 16 This is one of the structural schematic diagrams of the first slider according to an embodiment of this application;

[0030] Figure 17 This is a second schematic diagram of the structure of the first slider according to an embodiment of this application;

[0031] Figure 18 This is the third structural schematic diagram of the first slider according to an embodiment of this application;

[0032] Figure 19 This is a partial exploded view of the structure of the first slider according to an embodiment of this application.

[0033] Figure label:

[0034] 100 Equipment body, 200 Connecting belt, 210 First connecting belt, 211 Raised part, 220 Second connecting belt, 300 Housing, 310 Main housing, 311 Sliding groove, 312 Bending section, 313 Straight section, 320 Cover, 321 Clearance hole, 330 Outer shell, 400 Sliding component, 410 Bending part, 411 Toothed part, 412 Pin, 413 Hinge, 420 Rack body, 430 Connecting part, 440 Limiting part, 450 First sliding component, 460 Second sliding component, 500 Driving component. Detailed Implementation

[0035] The embodiments of this application will now be described in detail. Examples of these embodiments are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0036] The terms "first" and "second" in the specification and claims of this application may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise stated, "multiple" means two or more. Furthermore, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0037] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0038] The following is combined with Figures 1-19 Describes a wearable device according to embodiments of this application.

[0039] Combination Figure 1 , Figure 2 , Figure 3 , Figure 6 and Figure 9 As shown, according to some embodiments of this application, the wearable device includes: a device body 100, a connecting strap 200, a housing 300, and a slider 400. The first end of the connecting strap 200 is connected to the device body 100. The housing 300 is provided with a sliding groove 311, which has a bending section 312. The second end of the connecting strap 200 is connected to the slider 400. The slider 400 can slide in the sliding groove 311, and at least a portion of the slider 400 can be bent along the bending section 312.

[0040] The two ends of the connecting belt 200 are respectively connected to the equipment body and the sliding member 400. The sliding member 400 is located inside the housing 300. When the sliding member 400 slides inside the housing 300, the sliding member 400 can drive the connecting belt 200 to extend into or out of the housing 300, thereby adjusting the distance between the equipment body and the housing 300.

[0041] When a user needs to wear the wearable device, the sliding member 400 drives the connecting strap 200 to gradually extend out of the housing 300, thereby increasing the distance between the device body and the housing 300, making it easier for the user to wear it. When a user needs to store the wearable device, the sliding member 400 drives the connecting strap 200 to extend into the housing 300, reducing the size of the wearable device and thus reducing the space occupied by the wearable device, making it easier for the user to store the wearable device.

[0042] A sliding groove 311 is provided inside the housing 300, and the sliding member 400 can slide along the sliding groove 311. The sliding groove 311 has a bending section 312, and when the sliding member 400 passes through the bending section 312, the sliding member 400 can bend along the bending section 312.

[0043] Specifically, during the movement of the sliding member 400 relative to the housing 300, when a portion of the sliding member 400 passes the bending section 312, because the sliding member 400 can bend along the bending section 312, it can continue to slide along the sliding groove 311, allowing the sliding member 400 to continue to drive the connecting band 200 into or out of the housing 300. Alternatively, during the process of extending the connecting band 200 into the housing 300, the sliding member 400 gradually slides away from the bending section 312 and can then continue to slide in the non-bending section 312. Compared to the sliding groove 311 without the bending section 312, in this embodiment, bending a portion of the sliding groove 311 increases the travel distance of the sliding member 400 within the same installation space, thereby increasing the travel distance of the connecting band 200, increasing the range of adjustment for the distance between the device body 100 and the housing 300, and further reducing the volume of the wearable device during storage, making it easier for users to store the wearable device.

[0044] Compared to wearable devices in related technologies, the wearable device in this embodiment has a telescopic range that can be increased by at least 1 time, resulting in a smaller storage volume and greater portability.

[0045] In one possible application, the connecting strap 200 in this embodiment is a rigid strap, such as an injection-molded strap, which is not easily deformed and is easy to stretch.

[0046] In one possible application, when the wearable device is VR glasses, the main body 100 consists of a frame and electrical components mounted on the frame. When the wearable device is a smartwatch, the main body 100 consists of a watch face and electrical components mounted on the watch face.

[0047] Combination Figure 9 , Figure 16 , Figure 17 , Figure 18 and Figure 19 As shown, in one possible embodiment, the slider 400 includes a bent portion 410, which includes a plurality of hinged teeth 411, and the slider 400 bends within the bent section 312 by the plurality of relatively rotatable teeth 411.

[0048] When the bent portion 410 slides to the bent section 312, the bent portion 410 can bend along the bent section 312, thereby increasing the travel of the slider 400.

[0049] Specifically, the bending portion 410 includes at least two teeth 411, with two adjacent teeth 411 rotatably connected. When the bending portion 410 slides to the bending section 312, the teeth 411 can rotate along the bending section 312. As the bending portion 410 slides into the bending section 312, the rotation angle of the teeth 411 gradually changes, thereby enabling the bending portion 410 to bend according to the curvature of the bending section 312.

[0050] In one possible application, the bending portion 410 in this embodiment further includes a hinge 413 and a pin 412. The toothed portion 411 has a pin hole, and the hinge 413 has two mounting holes at both ends. The pin 412 passes through the mounting hole and the pin hole, thereby connecting one hinge 413 to two adjacent toothed portions 411. This prevents the two adjacent toothed portions 411 from separating, and the toothed portions 411 can also rotate around the pin 412. In other embodiments, adjacent toothed portions 411 can also be connected by a connecting rope.

[0051] Combination Figure 9 , Figure 10 , Figure 11 , Figure 12 and Figure 16 As shown, in one possible embodiment, the slider 400 further includes a rack body 420, with bent portions 410 at both ends. When the slider 400 moves to the first limit position, one of the two bent portions 410 bends in the sliding groove 311. When the slider 400 moves to the second limit position, the other of the two bent portions 410 bends in the sliding groove 311.

[0052] Both the first and second ends of the rack body 420 are provided with bent portions 410. The slider 400 can move clockwise or counterclockwise within the sliding groove 311. When the slider 400 moves clockwise to the first limit position, the bent portion 410 at the first end of the rack body 420 is located within the bent section 312. When the slider 400 moves counterclockwise to the second limit position, the bent portion 410 at the second end of the rack body 420 is located within the bent section 312. During the movement of the slider 400 between the first and second limit positions, the slider 400 can bend twice, further increasing the sliding stroke of the slider 400.

[0053] In this embodiment, the bent portion 410 and the rack body 420 are connected by a hinge 413 and a pin 412.

[0054] When designing the structure of the slider 400, the part that needs to be bent can be set as the bending part 410, and the part that does not need to be bent can be set as the rack body 420. This eliminates the need to set the entire slider 400 as multiple sequentially connected teeth 411, reducing the processing difficulty of the slider 400. Of course, in other embodiments, the slider 400 can also be set as a structure that can be deformed as a whole, depending on the usage requirements. For example, the slider 400 may consist only of the bending part 410.

[0055] like Figure 10 As shown, in one possible embodiment, the length of the bend 410 is greater than or equal to the arc length of the bend segment 312.

[0056] The bending portion 410 can be bent within the bending section 312. With the arc length of the bending section 312 fixed, the sliding stroke of the slider 400 can be further increased by increasing the length of the bending portion 410.

[0057] Combination Figure 3 , Figure 9 and Figure 13 As shown, in one possible embodiment, the connecting strip 200 includes a first connecting strip 210 and a second connecting strip 220, and the slider 400 includes a first slider 450 and a second slider 460. The first slider 450 is connected to the first connecting strip 210, and the second slider 460 is connected to the second connecting strip 220. Both the first slider 450 and the second slider 460 include a bent portion 410.

[0058] The first end of the first connecting strap 210 is connected to the first side of the equipment body 100, and the second end of the first connecting strap 210 is connected to the first sliding member 450. The first end of the second connecting strap 220 is connected to the second side of the equipment body 100, and the second end of the second connecting strap 220 is connected to the second sliding member 460. The first sliding member 450 can drive the first connecting strap 210 to extend and retract relative to the housing 300, and the second sliding member 460 can drive the second connecting strap 220 to extend and retract relative to the housing 300.

[0059] Both the first slider 450 and the second slider 460 can slide within the sliding groove 311. Both the first slider 450 and the second slider 460 include mutually rotating teeth 411, so both the first slider 450 and the second slider 460 can be bent along the bending section 312. When using the wearable device, the user can simultaneously drive the first slider 450 and the second slider 460 to move, so that both sides of the device body 100 can be fixed by the first connecting strap 210 and the second connecting strap 220. The device body 100 is not easy to deflect, preventing the device from getting stuck when wearing or storing it, which helps to improve the user's convenience in using the wearable device.

[0060] The first slider 450 and the second slider 460 have the same structure. The first slider 450 includes a bent portion 410 and a rack body 420. The second slider 460 is similar, so it will not be described in detail here.

[0061] Combination Figure 13 , Figure 14 and Figure 15 As shown, in one possible embodiment, the second end of the first connecting band 210 is provided with a raised portion 211, and there is a gap between the raised portion 211 and the housing 300. The second connecting band 220 can pass through the raised portion 211 and extend into the space between the housing 300 and the first connecting band 210.

[0062] The second end of the first connecting strip 210 is processed into a raised structure, thereby forming a gap between the raised part 211 and the housing 300. The second connecting strip 220 can pass through the raised part 211 and extend into the space between the first connecting strip 210 and the housing 300, so that the first connecting strip 210 and the second connecting part 430 partially overlap.

[0063] During the extension and retraction of the first connecting strap 210 and the second connecting strap 220 relative to the housing 300, the first connecting strap 210 and the second connecting strap 220 can overlap each other. Therefore, the movement stroke of the first connecting strap 210 and the second connecting strap 220 can be further increased within the same space, thereby increasing the extension and retraction of the first connecting strap 210 and the second connecting strap 220, which can further reduce the volume of the wearable device when stored.

[0064] Combination Figure 6 and Figure 10 As shown, in one possible embodiment, the sliding groove 311 is annular, and the first sliding member 450 and the second sliding member 460 slide within the same sliding groove 311.

[0065] The sliding groove 311 has a ring-shaped structure, making it difficult for the slider 400 to slide out of the sliding groove 311 when it slides within it. Since the first slider 450 and the second slider 460 slide within the same sliding groove 311, the number of sliding grooves 311 used can be reduced, simplifying the structure of the wearable device. By reducing the number of sliding grooves 311 used, most of the space within the housing 300 can be used for the sliding of the first slider 450 and the second slider 460, thereby increasing the sliding space of the first slider 450 and the second slider 460, and consequently improving their sliding stroke.

[0066] like Figure 6As shown, in one possible embodiment, the sliding groove 311 includes two straight segments 313 and two bent segments 312 located on both sides of the straight segments 313. When the bent portion 410 in the first sliding member 450 bends within one bent segment 312, the bent portion 410 in the second sliding member 460 bends within the other bent segment 312.

[0067] The sliding groove 311 includes a straight section 313 and a bent section 312. Both the bent part 410 and the rack body 420 can slide within the straight section 313, and the bent part 410 can slide within the bent section 312.

[0068] When the bent portion 410 in the first slider 450 bends within a bend segment 312, the bent portion 410 in the second slider 460 bends within another bend segment 312. Therefore, the first slider 450 and the second slider 460 can bend simultaneously within the sliding groove 311. Driven by the first slider 450 and the second slider 460, the first connecting strap 210 and the second connecting strap 220 can extend and retract simultaneously, which helps to improve the user's convenience in using the wearable device.

[0069] Combination Figure 5 , Figure 8 and Figure 9 As shown, in one possible embodiment, the wearable device further includes: a drive member 500 connected to the housing 300, a first slider 450 and a second slider 460 connected to the drive member 500, and the drive member 500 being used to drive the first slider 450 and the second slider 460 to move synchronously.

[0070] Both the first slider 450 and the second slider 460 are connected to the drive member 500. By setting the drive member 500 between the first slider 450 and the second slider 460, the first slider 450 and the second slider 460 can move synchronously, thereby enabling the first slider 450 and the second slider 460 to drive the first connecting strap 210 and the second connecting strap 220 to extend and retract synchronously. Therefore, the user does not need to adjust the extension and retraction of the first connecting strap 210 and the second connecting strap 220 separately, simplifying the user's operation and improving the user's convenience in using the wearable device.

[0071] In one possible application, the drive unit 500 includes a motor and a gear. The motor is fixed to the housing 300, and the gear is connected to the output shaft of the motor. The motor drives the gear to rotate. The first sliding member 450 and the second sliding member 460 mesh with the gear. The motor automatically drives the first sliding member 450 and the second sliding member 460 to slide via the gear. Therefore, the wearable device can automatically switch between an unfolded state and a retracted state without requiring the user to manually switch the state of the wearable device, which improves the user's convenience in using the wearable device. For example, a touch button is provided on the housing 300. The user can press the touch button to make the motor automatically run according to the corresponding touch button.

[0072] In one possible application, the drive element 500 includes a gear. When the user pulls or pushes the first slider 450, the first slider 450 drives the gear to rotate, and the gear drives the second slider 460 to move, thus achieving synchronous movement of the first slider 450 and the second slider 460.

[0073] There is a gap between two adjacent teeth 411, so that the bent part 410 can mesh with the gear. The first sliding member 450 and the second sliding member 460 are both meshed with the driving member 500 to ensure the synchronicity of the movement of the first sliding member 450 410 and the second sliding member 460 420.

[0074] Combination Figure 8 , Figure 13 and Figure 16 As shown, in one possible embodiment, the slider 400 further includes a connecting portion 430, which is connected to the rack body 420 and is located outside the sliding groove 311. The connecting strip 200 is connected to the connecting portion 430.

[0075] The connecting part 430 extends out of the sliding groove 311, so that the connecting band 200 can be connected to the connecting part 430, thereby facilitating the assembly of the connecting band 200 and the sliding member 400.

[0076] In one possible application, a positioning post is provided on the connecting part 430, and a positioning hole is provided on the connecting strip 200. The positioning post is inserted into the positioning hole to position the connecting strip 200. Then, the connecting strip 200 is locked to the connecting part 430 by a screw or other locking device to prevent the connecting strip 200 from separating from the connecting part 430.

[0077] Combination Figure 4 , Figure 6 , Figure 7 and Figure 8As shown, in one possible embodiment, the housing 300 includes a main housing 310 and a cover 320. The main housing 310 is provided with a sliding groove 311. The cover 320 is connected to the main housing 310 and is fastened to the sliding groove 311 to restrict the sliding member 400 from disengaging from the sliding groove 311.

[0078] The slider 400 can slide within the straight section and the bent section 312 of the sliding groove 311. The slider 400 has a large sliding stroke. In order to ensure the stability of the slider 400 during the sliding process, the sliding groove 311 is provided on the main housing 310. The cover 320 is fastened to the sliding groove 311. The cover 320 plays a limiting role for the slider 400 and prevents the slider 400 from falling out of the sliding groove 311.

[0079] Combination Figure 13 and Figure 16 As shown, in one possible embodiment, the slider 400 further includes a limiting part 440, which is connected to the connecting part 430 and is located outside the sliding groove 311. The limiting part 440 is used to position and limit the cover 320.

[0080] A limiting part 440 is provided on the connecting part 430. When the cover 320 is connected to the main housing 310, the limiting part 440 positions the cover 320. For example, one edge of the cover 320 is fitted with the limiting part 440, which facilitates quick and accurate positioning of the cover 320 to the position connected to the main housing 310. During the use of the wearable device, the limiting part 440 limits the cover 320, preventing the cover 320 from sliding relative to the main housing 310, thereby improving the connection stability between the cover 320 and the main housing 310.

[0081] Limiting portions 440 are provided on both the first slider 450 and the second slider 460, and the cover 320 is limited between the two limiting portions 440.

[0082] Combination Figure 5 , Figure 8 and Figure 15 As shown, in one possible embodiment, the housing 300 further includes: an outer shell 330 connected to the main housing 310, and a connecting strap 200 capable of extending or entering between the outer shell 330 and the cover 320, the cover 320 being used to move the guide connecting strap 200.

[0083] The outer casing 330 is mounted on the main casing 310, and the cover 320 is located between the outer casing 330 and the main casing 310. A sliding gap is formed between the cover 320 and the outer casing 330, and a portion of the connecting strip 200 extends into the sliding gap.

[0084] The sliding gap serves to limit and guide the connecting strip 200, confining a portion of the connecting strip 200 between the cover 320 and the outer shell 330. This prevents the end of the connecting strip 200 from warping up and prevents the connecting strip 200 from separating from the sliding member 400. Furthermore, under the guiding effect of the sliding gap, the connecting strip 200 can move stably relative to the shell 300, minimizing interference between the connecting strip 200 and the shell 300.

[0085] In this embodiment, the side of the cover 320 facing the outer shell 330 is an arc-shaped surface, and the connecting strap 200 moves along the arc-shaped surface so that it can smoothly extend into or out of the shell 300.

[0086] In one possible application, the housing 330 is locked to the main housing 300 by a locking device such as screws.

[0087] Combination Figure 7 , Figure 8 and Figure 11 As shown, in one possible embodiment, the cover 320 is provided with a clearance hole 321, which is used to avoid the drive member 500.

[0088] When the first connecting strip 210 and the second connecting strip 220 extend or retract relative to the housing 300, the drive member 500 will rotate, and the clearance hole 321 will make way for the drive member 500, thereby avoiding interference between the cover 320 and the drive member 500.

[0089] Because the cover 320 is provided with a clearance hole 321, it is not necessary to assemble the cover 320 as a whole in a direction away from the main housing 310. This reduces the distance between the main housing 310 and the cover 320, thereby reducing the thickness of the housing 300 and the size of the wearable device.

[0090] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0091] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A wearable device, characterized in that, include: Equipment body; A connecting strap, the first end of which is connected to the main body of the device; A housing, wherein a sliding groove is provided inside the housing, and the sliding groove has a bent section; A slider, wherein the second end of the connecting strip is connected to the slider, the slider is capable of sliding within the sliding groove, and at least a portion of the slider is capable of bending along the bending section; The slider includes a bent portion, the bent portion including a plurality of hinged teeth, the slider bending within the bent section by the plurality of relatively rotatable teeth.

2. The wearable device according to claim 1, characterized in that, The slider also includes: The rack body has bending portions at both ends. When the slider moves to the first limit position, one of the two bending portions bends in the sliding groove. When the slider moves to the second limit position, the other of the two bending portions bends in the sliding groove.

3. The wearable device according to claim 2, characterized in that, The connecting strip includes a first connecting strip and a second connecting strip, and the sliding member includes a first sliding member and a second sliding member. The first sliding member is connected to the first connecting strip, and the second sliding member is connected to the second connecting strip. Both the first sliding member and the second sliding member include the bent portion.

4. The wearable device according to claim 3, characterized in that, The second end of the first connecting strip is provided with a raised portion, and there is a gap between the raised portion and the housing. The second connecting strip can pass through the raised portion and extend into the space between the housing and the first connecting strip.

5. The wearable device according to claim 3, characterized in that, The sliding groove is annular, and the first sliding member and the second sliding member slide within the same sliding groove.

6. The wearable device according to claim 5, characterized in that, The sliding groove includes: two straight segments and two bent segments located on both sides of the straight segments; When the bent portion in the first slider bends within one bending segment, the bent portion in the second slider bends within another bending segment.

7. The wearable device according to claim 1, characterized in that, The wearable device further includes a driving component connected to the housing, and a first slider and a second slider connected to the driving component. The driving component is used to drive the first slider and the second slider to move synchronously.

8. The wearable device according to claim 2, characterized in that, The slider also includes: A connecting part is connected to the rack body, the connecting part is located outside the sliding groove, and the connecting strip is connected to the connecting part.

9. The wearable device according to any one of claims 1 to 7, characterized in that, The housing includes: The main housing is provided with the sliding groove. The cover is connected to the main housing and is fastened to the sliding groove to prevent the sliding member from disengaging from the sliding groove.