Anti-loosening key assembly and wearable device
By setting an annular protrusion on the outer wall of the bottom shell and using a combination structure of a sleeve and a button shaft, the problem of button shaft wobble was solved, and the stability of the button was improved.
Patent Information
- Application Number
- CN202423145444.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-18
AI Technical Summary
The button hinges of wearable devices are prone to wobble relative to the bottom shell, resulting in poor button stability.
A first annular protrusion is provided on the outer side wall of the bottom shell. One end of the key shaft extends into and passes through the bottom shell. A sleeve is fitted on the first annular protrusion. The wobbling is reduced by the limiting effect of the sleeve and the annular protrusion. The key shaft is fixed by the snap ring abutting against the bottom shell.
It effectively reduces button wobble and improves button stability and connection stability.
Smart Images

Figure CN223552432U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wearable device technology, and in particular to an anti-loosening button assembly and wearable device. Background Technology
[0002] Wearable devices are becoming increasingly popular due to their lightweight and portability, with smartwatches being a common type of wearable device.
[0003] The wearable device has a button, which includes a button shaft and a button cap. The button shaft passes through the bottom shell and makes contact with the switch inside the bottom shell.
[0004] However, the key hinge is prone to wobble relative to the bottom shell, resulting in poor key stability. Utility Model Content
[0005] The purpose of this invention is to provide an anti-loosening button assembly to solve the technical problem in the prior art where the button shaft is prone to wobbling relative to the bottom shell.
[0006] The anti-loosening button assembly provided by this utility model includes a bottom shell and a button;
[0007] The outer side wall of the bottom shell is provided with a first annular protrusion;
[0008] The button includes a button shaft and a button cap. The button cap includes a sleeve. One end of the button shaft extends into the sleeve and is fixed to the sleeve. The other end of the button shaft extends into the first annular protrusion and passes through the bottom shell.
[0009] The sleeve is fitted onto the first annular protrusion.
[0010] Furthermore, the sleeve is spaced apart from the first annular protrusion.
[0011] Furthermore, along the radial direction of the sleeve, the distance between the sleeve and the first annular protrusion is 0.05 mm.
[0012] Furthermore, the outer side wall of the bottom shell is also provided with a second annular protrusion, and the outer side wall of the bottom shell, the second annular protrusion and the first annular protrusion are connected in sequence;
[0013] The button shaft extends into the first annular protrusion and the second annular protrusion and passes through the bottom shell; the button cap can abut against the second annular protrusion.
[0014] Furthermore, the bottom shell, the second annular protrusion, and the first annular protrusion are integrally formed.
[0015] Furthermore, the bottom shell, the second annular protrusion, and the first annular protrusion are all made of plastic.
[0016] Furthermore, the button shaft is provided with a retaining ring, which is located inside the bottom shell and can abut against the bottom shell.
[0017] Furthermore, the button shaft is provided with a slot, and the retaining spring engages with the slot.
[0018] Furthermore, the retaining ring is a stainless steel retaining ring.
[0019] The purpose of this utility model is also to provide a wearable device, including the anti-loosening button assembly provided by this utility model.
[0020] The anti-loosening button assembly provided by this utility model includes a base shell and a button. The outer wall of the base shell has a first annular protrusion. The button includes a button shaft and a button cap. The button cap includes a sleeve. One end of the button shaft extends into the sleeve and is fixed to it. The other end of the button shaft extends into the first annular protrusion and passes through the base shell. The sleeve is fitted onto the first annular protrusion. The inner wall of the sleeve is fitted onto the outer wall of the first annular protrusion. When the button shaft shakes radially, the first annular protrusion can block the sleeve, thereby reducing the shaking. The inner wall of the sleeve, fitted onto the outer wall of the first annular protrusion, can limit the movement of the sleeve, reducing the degree of shaking of the sleeve and the button shaft, thus reducing button shaking. Attached Figure Description
[0021] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0022] Figure 1 This is a cross-sectional view of the anti-loosening button assembly provided in this embodiment of the utility model.
[0023] Icons: 1 - Bottom shell; 2 - Button cap; 21 - Sleeve; 3 - First annular protrusion; 4 - Second annular protrusion; 5 - Button shaft; 6 - Snap ring. Detailed Implementation
[0024] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0025] This utility model provides an anti-loosening button assembly and wearable device. Several embodiments are given below to describe in detail the anti-loosening button assembly and wearable device provided by this utility model.
[0026] Example 1
[0027] The anti-loosening button component provided in this embodiment, such as Figure 1 As shown, it includes a bottom shell 1 and a button; the outer side wall of the bottom shell 1 is provided with a first annular protrusion 3; the button includes a button shaft 5 and a button cap 2, the button cap 2 includes a sleeve 21, one end of the button shaft 5 extends into the sleeve 21 and is fixed to the sleeve 21; the other end of the button shaft 5 extends into the first annular protrusion 3 and passes through the bottom shell 1; the sleeve 21 is fitted on the first annular protrusion 3.
[0028] Specifically, the bottom shell 1 has a through hole that communicates with the channel formed by the inner wall of the first annular protrusion 3. The through hole is coaxially arranged with the first annular protrusion 3, and the radius of the through hole is the same as the radius of the inner wall of the first annular protrusion 3. After the other end of the button shaft 5 extends into the channel formed by the inner wall of the first annular protrusion 3, it passes through the through hole and through the bottom shell 1. The button shaft 5 can move relative to the bottom shell 1 along the axial direction of the button shaft 5 to trigger or release the switch inside the bottom shell 1.
[0029] One end of the button shaft 5 extends into the sleeve 21, and the one end of the button shaft 5 is fixed to the sleeve 21 to form a button.
[0030] The inner wall of the sleeve 21 is fitted onto the outer wall of the first annular protrusion 3. When the key shaft 5 vibrates radially (e.g.) Figure 1 As shown, the button shaft 5 may wobble upwards or downwards (in the direction indicated by arrow ab). The first annular protrusion 3 can block the sleeve 21, thereby reducing the wobble. The inner wall of the sleeve 21 is fitted onto the outer wall of the first annular protrusion 3. The first annular protrusion 3 can limit the movement of the sleeve 21, reducing the degree of wobble of the sleeve 21 and the button shaft 5, thereby reducing the wobble of the button.
[0031] The sleeve 21 can move axially relative to the first annular protrusion 3. When the sleeve 21 moves axially, the first annular protrusion 3 can guide the sleeve 21. The first annular protrusion 3, the sleeve 21 and the button shaft 5 are coaxially arranged.
[0032] The inner wall of the sleeve 21 can be in contact with the outer wall of the first annular protrusion 3, or they can be spaced apart.
[0033] Preferably, the sleeve 21 is spaced apart from the first annular protrusion 3.
[0034] The inner wall of the sleeve 21 is spaced apart from the outer wall of the first annular protrusion 3 so that the sleeve 21 can move more smoothly relative to the first annular protrusion 3 along the axial direction of the sleeve 21.
[0035] Furthermore, along the radial direction of the sleeve 21, the distance between the sleeve 21 and the first annular protrusion 3 is 0.05 mm.
[0036] Along the radial direction of the sleeve 21, the distance between the inner wall of the sleeve 21 and the outer wall of the first annular protrusion 3 is 0.05mm. This not only effectively prevents the button from shaking, but also allows the sleeve 21 to move smoothly relative to the first annular protrusion 3 along the axial direction of the sleeve 21.
[0037] Furthermore, the outer side wall of the bottom shell 1 is also provided with a second annular protrusion 4, and the outer side wall of the bottom shell 1, the second annular protrusion 4 and the first annular protrusion 3 are connected in sequence; the button shaft 5 extends into the first annular protrusion 3 and the second annular protrusion 4 and passes through the bottom shell 1; the button cap 2 can abut against the second annular protrusion 4.
[0038] Along the axial direction of the first annular protrusion 3, the outer wall of the bottom shell 1, the second annular protrusion 4, and the first annular protrusion 3 are fixed sequentially. The through hole, the channel formed by the inner wall of the second annular protrusion 4, and the channel formed by the inner wall of the first annular protrusion 3 are connected. The through hole, the first annular protrusion 3, and the second annular protrusion 4 are coaxially arranged. The radius of the through hole, the radius of the inner wall of the second annular protrusion 4, and the radius of the inner wall of the first annular protrusion 3 are the same. After the other end of the button shaft 5 extends into the channel formed by the inner wall of the first annular protrusion 3, it extends into the channel formed by the inner wall of the second annular protrusion 4, and then passes through the bottom shell 1 through the through hole. The button shaft 5 can move relative to the bottom shell 1, the first annular protrusion 3, and the second annular protrusion 4 along the axial direction of the button shaft 5.
[0039] When the button shaft 5 moves along the axial direction of the button shaft 5, when the button cap 2 moves toward the second annular protrusion 4 to a preset position, the button cap 2 abuts against the second annular protrusion 4, which can limit the axial movement of the button cap 2.
[0040] Furthermore, the bottom shell 1, the second annular protrusion 4, and the first annular protrusion 3 are integrally molded structures, which are convenient to manufacture, and the connection between the bottom shell 1, the second annular protrusion 4, and the first annular protrusion 3 is relatively stable.
[0041] Furthermore, the bottom shell 1, the second annular protrusion 4, and the first annular protrusion 3 are all made of plastic.
[0042] Furthermore, the button shaft 5 is provided with a retaining ring 6, which is located inside the bottom shell 1 and can abut against the bottom shell 1.
[0043] The retaining ring 6 is fixed on the button shaft 5. The retaining ring 6 is located inside the bottom shell 1 and can abut against the inner side wall of the bottom shell 1 to prevent the button shaft 5 from being pulled out of the bottom shell 1.
[0044] Furthermore, the button shaft 5 is provided with a slot, and the retaining spring 6 engages with the slot to fix the retaining spring 6 to the button shaft 5.
[0045] Furthermore, the retaining ring 6 is made of stainless steel, which is not easy to rust and has a long service life.
[0046] Example 2
[0047] The wearable device provided in this embodiment includes the anti-loosening button assembly provided in Embodiment 1. The inner wall of the sleeve 21 is fitted onto the outer wall of the first annular protrusion 3. When the button shaft 5 shakes radially, the first annular protrusion 3 can block the sleeve 21, thereby reducing the shaking. The inner wall of the sleeve 21 is fitted onto the outer wall of the first annular protrusion 3, which can limit the sleeve 21 and reduce the degree of shaking of the sleeve 21 and the button shaft 5, thereby reducing the shaking of the button.
[0048] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.
Claims
1. An anti-loosening button assembly, characterized in that, Including the bottom case and buttons; The outer side wall of the bottom shell is provided with a first annular protrusion; The button includes a button shaft and a button cap. The button cap includes a sleeve. One end of the button shaft extends into the sleeve and is fixed to the sleeve. The other end of the button shaft extends into the first annular protrusion and passes through the bottom shell. The sleeve is fitted onto the first annular protrusion.
2. The anti-loosening button assembly according to claim 1, characterized in that, The sleeve is spaced apart from the first annular protrusion.
3. The anti-loosening button assembly according to claim 2, characterized in that, Along the radial direction of the sleeve, the distance between the sleeve and the first annular protrusion is 0.05 mm.
4. The anti-loosening button assembly according to claim 1, characterized in that, The outer side wall of the bottom shell is also provided with a second annular protrusion, and the outer side wall of the bottom shell, the second annular protrusion and the first annular protrusion are connected in sequence; The button shaft extends into the first annular protrusion and the second annular protrusion and passes through the bottom shell; the button cap can abut against the second annular protrusion.
5. The anti-loosening button assembly according to claim 4, characterized in that, The bottom shell, the second annular protrusion, and the first annular protrusion are integrally formed.
6. The anti-loosening button assembly according to claim 5, characterized in that, The bottom shell, the second annular protrusion, and the first annular protrusion are all made of plastic.
7. The anti-loosening button assembly according to claim 1, characterized in that, The button shaft is provided with a retaining ring, which is located inside the bottom shell and can abut against the bottom shell.
8. The anti-loosening button assembly according to claim 7, characterized in that, The button shaft is provided with a slot, and the retaining spring engages with the slot.
9. The anti-loosening button assembly according to claim 8, characterized in that, The retaining ring is a stainless steel retaining ring.
10. A wearable device, characterized in that, The anti-loosening button assembly includes any one of claims 1-9.