Self-riveting fastening rotating shaft structure and mobile phone support

CN224903756UActive Publication Date: 2026-10-27DONGGUAN HAIXIA PLASTIC PROD
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Patent Information

Application Number
CN202522438580.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-17
Publication Date
2026-10-27
Estimated Expiration
2035-11-17

AI Technical Summary

Technical Problem

现有的转动轴在组装时,转轴组件与支撑臂之间通常采用胶粘固定,不仅生产效率低,而且在后期使用时胶水容易脱落,导致转轴组件与支撑臂之间出现松动,从而影响产品使用,因此实用性不强

Benefits of technology

[0016]1、第一支撑臂和第二支撑臂与转轴组件之间通过铆压固定,避免了胶粘方式因胶水脱落造成松动,同时提高了生产效率;

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of self riveting fastening pivot structure and mobile phone support, including first support arm, second support arm and pivot assembly, the first support arm and second support arm are arranged at the both ends of pivot assembly, the pivot assembly includes pivot body and the shaft sleeve rotationally installed on pivot body, the first support arm is riveted fixed with pivot body, the second support arm is riveted fixed with shaft sleeve, the first support arm is equipped with the first riveting hole adapted with pivot body, the second support arm is equipped with the second riveting hole adapted with shaft sleeve, when assembling, the first support arm is set in the outside of pivot body one end by first riveting hole and is riveted fixed with it, the second support arm is set in the outside of shaft sleeve by second riveting hole and is riveted fixed with it. First support arm and second support arm are riveted fixed between pivot assembly, avoid loosening due to the adhesive glue drop, improve production efficiency simultaneously.
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Description

Technical Field

[0001] This utility model relates to the field of rotating shaft technology, specifically to a self-riveting fastening rotating shaft structure and a mobile phone holder. Background Technology

[0002] Phone holders typically require adjustment of their angle by adjusting their rotating shaft to facilitate phone use. Currently, existing rotating shafts are usually glued to the support arm during assembly. This method is not only inefficient in production but also prone to glue peeling off during later use, causing loosening between the rotating shaft and the support arm and affecting product usability, thus limiting its practicality. Utility Model Content

[0003] This utility model addresses the deficiencies of existing technologies by providing a self-riveting fastening hinge structure and a mobile phone holder. The first and second support arms are fixed to the hinge assembly by riveting, preventing loosening due to adhesive detachment and improving production efficiency. By setting a first extrusion block, a second extrusion block, a first anti-detachment groove, and a second anti-detachment groove on the hinge assembly, and using easily deformable metal for the inner cavities of the first and second riveting holes, during assembly, the first and second extrusion blocks respectively extrude the easily deformable metal material into the first and second anti-detachment grooves, thereby further preventing the hinge assembly from loosening and detaching from the first and second support arms.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A self-riveting fastening shaft structure includes a first support arm, a second support arm, and a shaft assembly. The first and second support arms are disposed at both ends of the shaft assembly. The shaft assembly includes a shaft body and a bushing rotatably mounted on the shaft body. The first support arm is riveted to the shaft body, and the second support arm is riveted to the bushing. The first support arm has a first riveting hole adapted to the shaft body, and the second support arm has a second riveting hole adapted to the bushing. During assembly, the first support arm is sleeved on the outside of one end of the shaft body through the first riveting hole and riveted to it, and the second support arm is sleeved on the outside of the bushing through the second riveting hole and riveted to it.

[0006] Preferably, the shaft body is provided with a first pressing block, and a first anti-detachment groove is formed on the side of the first pressing block. The bushing is provided with a second pressing block, and a second anti-detachment groove is formed on the side of the second pressing block. During assembly, the first pressing block and the first anti-detachment groove are located in the first riveting hole, and the first anti-detachment groove is located on the side of the first pressing block away from the opening of the first riveting hole. The second pressing block and the second anti-detachment groove are located in the second riveting hole, and the second anti-detachment groove is located on the side of the second pressing block away from the opening of the second riveting hole. The first pressing block presses the inner wall material of the first riveting hole into the first anti-detachment groove, and the second pressing block presses the inner wall material of the second riveting hole into the second anti-detachment groove.

[0007] Preferably, the inner walls of the first and second riveting holes are made of a deformable metal, including but not limited to aluminum and tin.

[0008] Preferably, the rotating shaft assembly further includes an elastic washer and a limiting nut, the limiting nut being screwed onto the threaded section, and the elastic washer being disposed between the limiting nut and the bushing.

[0009] Preferably, the rotating shaft body includes a first cylindrical segment, a second cylindrical segment, a third cylindrical segment and a threaded segment that are integrally connected in sequence, the first extrusion block is located between the first cylindrical segment and the second cylindrical segment, the first anti-detachment groove is located between the first cylindrical segment and the first extrusion block, and the bushing is sleeved on the third cylindrical segment.

[0010] Preferably, the pressing points of the first and second support arms are located in the middle of the second cylindrical segment.

[0011] Preferably, the first cylindrical segment and the second cylindrical segment have the same diameter, the third cylindrical segment has a smaller diameter than the second cylindrical segment, and the first extrusion block has a larger diameter than the second cylindrical segment.

[0012] Preferably, both the first extrusion block and the second extrusion block are non-cylindrical in shape. The opening of the first riveting hole is provided with a first relief groove corresponding to the shape of the first extrusion block, and the opening of the second riveting hole is provided with a second relief groove corresponding to the shape of the second extrusion block. A first step is formed at the connection between the first relief groove and the first riveting hole, and a second step is formed at the connection between the second relief groove and the second riveting hole. The diameter of the first extrusion block is larger than the diameter of the first riveting hole and smaller than the diameter of the first relief groove, and the diameter of the second extrusion block is larger than the diameter of the second riveting hole and smaller than the diameter of the second relief groove.

[0013] Preferably, one end of the first support arm is provided with a first connecting hole, and a first pressure relief hole is provided in the first connecting hole on the side near the first riveting hole. The first pressure relief hole and the first riveting hole are interconnected. One end of the second support arm is provided with a second connecting hole, and a second pressure relief hole is provided in the second connecting hole on the side near the second riveting hole. The second pressure relief hole and the second riveting hole are interconnected.

[0014] This utility model also provides a mobile phone holder, including the above-mentioned self-riveting fastening hinge structure.

[0015] Compared with the prior art, this utility model has the following obvious advantages and beneficial effects:

[0016] 1. The first and second support arms are fixed to the rotating shaft assembly by riveting, which avoids loosening caused by glue falling off due to adhesive bonding and improves production efficiency.

[0017] 2. By setting a first extrusion block, a second extrusion block, a first anti-detachment groove, and a second anti-detachment groove on the rotating shaft assembly, and using easily deformable metal for the inner cavity of the first riveting hole and the second riveting hole, during assembly, the first extrusion block and the second extrusion block respectively extrude the easily deformable metal material into the first anti-detachment groove and the second anti-detachment groove, thereby further preventing the rotating shaft assembly from loosening and detaching from the first support arm and the second support arm.

[0018] To more clearly illustrate the structural features, technical means, and specific objectives and functions achieved by this utility model, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments: Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0020] Figure 2 This is an exploded structural diagram of an embodiment of the present utility model;

[0021] Figure 3 This is an exploded view of the rotating shaft structure according to an embodiment of the present invention;

[0022] Figure 4 This is a schematic diagram of the overall cross-sectional structure of an embodiment of this utility model;

[0023] Figure 5 This is an exploded cross-sectional structural diagram of an embodiment of the present invention.

[0024] Explanation of reference numerals in the attached diagram:

[0025] 10. First support arm; 11. First clearance groove; 12. First connecting hole; 13. First pressure relief hole; 14. First riveting hole; 15. First step; 20. Second support arm; 21. Second clearance groove; 22. Second connecting hole; 23. Second pressure relief hole; 24. Second riveting hole; 25. Second step; 30. Rotary shaft assembly; 31. Rotary shaft body; 311. First cylindrical section; 312. Second cylindrical section; 313. Third cylindrical section; 314. Threaded section; 315. First extrusion block; 316. First anti-detachment groove; 32. Bushing; 321. Second extrusion block; 322. Second anti-detachment groove; 33. Limiting nut; 34. Elastic washer. Detailed Implementation

[0026] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the position or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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 of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0028] Please refer to Figure 1-5 As shown, a self-riveting fastening shaft structure includes a first support arm 10, a second support arm 20, and a shaft assembly 30. The first support arm 10 and the second support arm 20 are disposed at both ends of the shaft assembly 30. The shaft assembly 30 includes a shaft body 31 and a bushing 32 rotatably mounted on the shaft body 31. The first support arm 10 is riveted to the shaft body 31, and the second support arm 20 is riveted to the bushing 32. The first support arm 10 has a first riveting hole 14 adapted to the shaft body 31, and the second support arm 20 has a second riveting hole 24 adapted to the bushing 32. During assembly, the first support arm 10 is sleeved on the outer side of one end of the shaft body 31 through the first riveting hole 14 and riveted to it. The second support arm 20 is sleeved on the outer side of the bushing 32 through the second riveting hole 24 and riveted to it. The first support arm 10 and the second support arm 20 are fixed to the shaft assembly 30 by riveting, which avoids loosening caused by adhesive detachment and improves production efficiency.

[0029] Specifically, the shaft body 31 is provided with a first pressing block 315, and a first anti-detachment groove 316 is formed on the side of the first pressing block 315. The bushing 32 is provided with a second pressing block 321, and a second anti-detachment groove 322 is formed on the side of the second pressing block 321. During assembly, the first pressing block 315 and the first anti-detachment groove 316 are located in the first riveting hole 14, and the first anti-detachment groove 316 is located on the side of the first pressing block 315 away from the opening of the first riveting hole 14. The second pressing block 321 and the second anti-detachment groove 322 are located in the second riveting hole 24, and the second anti-detachment groove 322 is located on the side of the second pressing block 321 away from the opening of the second riveting hole 24. The first pressing block 315 presses the inner wall material of the first riveting hole 14 into the first anti-detachment groove 316, and the second pressing block 321 presses the inner wall material of the second riveting hole 24 into the second anti-detachment groove 322.

[0030] More specifically, the first anti-detachment groove 316 is formed circumferentially along the rotating shaft body 31, and the second anti-detachment groove 322 is formed circumferentially along the bushing 32.

[0031] More specifically, the inner walls of the first riveting hole 14 and the second riveting hole 24 are made of easily deformable metal, including but not limited to aluminum and tin. It should be noted that the inner walls of the first riveting hole 14 and the second riveting hole 24 may also be made of other easily deformable non-metallic materials.

[0032] Specifically, the rotating shaft body 31 includes a first cylindrical section 311, a second cylindrical section 312, a third cylindrical section 313 and a threaded section 314 connected in sequence. The first pressing block 315 is located between the first cylindrical section 311 and the second cylindrical section 312. The first anti-detachment groove 316 is located between the first cylindrical section 311 and the first pressing block 315. The bushing 32 is sleeved on the third cylindrical section 313.

[0033] More specifically, the first cylindrical segment 311 and the second cylindrical segment 312 have the same diameter, the third cylindrical segment 313 has a smaller diameter than the second cylindrical segment 312, and the first extrusion block 315 has a larger diameter than the second cylindrical segment 312.

[0034] Specifically, the rotating shaft assembly 30 also includes an elastic washer 34 and a limiting nut 33. The limiting nut 33 is screwed onto the threaded section 314, and the elastic washer 34 is disposed between the limiting nut 33 and the bushing 32. In use, the rotational resistance between the bushing 32 and the rotating shaft body 31 can be adjusted by adjusting the elastic force between the limiting nut 33 and the elastic washer 34.

[0035] Specifically, both the first extrusion block 315 and the second extrusion block 321 are non-cylindrical in shape. The opening of the first riveting hole 14 is provided with a first relief groove 11 corresponding to the shape of the first extrusion block 315, and the opening of the second riveting hole 24 is provided with a second relief groove 21 corresponding to the shape of the second extrusion block 321. A first step 15 is formed at the connection between the first relief groove 11 and the first riveting hole 14, and a second step 25 is formed at the connection between the second relief groove 21 and the second riveting hole 24. The diameter of the first extrusion block 315 is larger than the diameter of the first riveting hole 14 and smaller than the diameter of the first relief groove 11, and the diameter of the second extrusion block 321 is larger than the diameter of the second riveting hole 24 and smaller than the diameter of the second relief groove 21.

[0036] Specifically, one end of the first support arm 10 is provided with a first connecting hole 12, and a first pressure relief hole 13 is provided in the first connecting hole 12 on the side near the first riveting hole 14. The first pressure relief hole 13 is connected to the first riveting hole 14. One end of the second support arm 20 is provided with a second connecting hole 22, and a second pressure relief hole 23 is provided in the second connecting hole 22 on the side near the second riveting hole 24. The second pressure relief hole 23 is connected to the second riveting hole 24.

[0037] More specifically, the first connecting hole 12 extends perpendicularly to the axis of the first riveting hole 14, the first pressure relief hole 13 is coaxially arranged with the first riveting hole 14 of the cavity, the second connecting hole 22 extends perpendicularly to the axis of the second riveting hole 24, and the second pressure relief hole 23 is coaxially arranged with the second riveting hole 24 of the cavity.

[0038] Specifically, the pressing points of the first support arm 10 and the second support arm 20 are located in the middle of the second cylindrical segment 312.

[0039] During assembly, the rotating shaft assembly 30 is inserted into the first riveting hole 14 and the second riveting hole 24 from the openings of the first support arm 10 and the second support arm 20. During the insertion process, the first pressing block 315 and the second pressing block 321 abut against the first step 15 and the second step 25 respectively, and continue to apply external force. The first pressing block 315 presses the first step 15 into the first riveting hole 14, and the second pressing block 321 presses the second step 25 into the second riveting hole 24, so that the easily deformable metal material used on the inner walls of the first riveting hole 14 and the second riveting hole 24 is squeezed and accumulated into the first anti-detachment groove 316 and the second anti-detachment groove 322. After assembly, the second support arm 20 can drive the bushing 32 to rotate.

[0040] This utility model also provides a mobile phone holder, including the above-mentioned self-riveting fastening hinge structure.

[0041] It should be noted that the self-riveting fastening hinge structure described above is not limited to use on mobile phone holders; it should be understood that the self-riveting fastening hinge structure can also be used in other fields.

[0042] In summary, the beneficial effects of this utility model are as follows:

[0043] 1. The first and second support arms are fixed to the rotating shaft assembly by riveting, which avoids loosening caused by glue falling off due to adhesive bonding and improves production efficiency.

[0044] 2. By setting a first extrusion block, a second extrusion block, a first anti-detachment groove, and a second anti-detachment groove on the rotating shaft assembly, and using easily deformable metal for the inner cavity of the first riveting hole and the second riveting hole, during assembly, the first extrusion block and the second extrusion block respectively extrude the easily deformable metal material into the first anti-detachment groove and the second anti-detachment groove, thereby further preventing the rotating shaft assembly from loosening and detaching from the first support arm and the second support arm.

[0045] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Therefore, any modifications, equivalent substitutions, improvements, etc., made to the above embodiments based on the actual technical aspects of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A self-riveting fastening pivot structure, comprising a first support arm, a second support arm, and a pivot assembly, wherein the first and second support arms are disposed at both ends of the pivot assembly, characterized in that, The rotating shaft assembly includes a rotating shaft body and a bushing rotatably mounted on the rotating shaft body. The first support arm is riveted to the rotating shaft body, and the second support arm is riveted to the bushing. The first support arm has a first riveting hole adapted to the rotating shaft body, and the second support arm has a second riveting hole adapted to the bushing. During assembly, the first support arm is sleeved on the outside of one end of the rotating shaft body through the first riveting hole and riveted to it. The second support arm is sleeved on the outside of the bushing through the second riveting hole and riveted to it.

2. The self-riveting fastening shaft structure according to claim 1, characterized in that, The rotating shaft body is provided with a first pressing block, and a first anti-detachment groove is formed on the side of the first pressing block. The bushing is provided with a second pressing block, and a second anti-detachment groove is formed on the side of the second pressing block. During assembly, the first pressing block and the first anti-detachment groove are located in the first riveting hole, and the first anti-detachment groove is located on the side of the first pressing block away from the opening of the first riveting hole. The second pressing block and the second anti-detachment groove are located in the second riveting hole, and the second anti-detachment groove is located on the side of the second pressing block away from the opening of the second riveting hole. The first pressing block presses the inner wall material of the first riveting hole into the first anti-detachment groove, and the second pressing block presses the inner wall material of the second riveting hole into the second anti-detachment groove.

3. The self-riveting fastening shaft structure according to claim 1, characterized in that, The inner walls of the first and second riveting holes are made of easily deformable metals, including but not limited to aluminum and tin.

4. The self-riveting fastening shaft structure according to claim 2, characterized in that, The rotating shaft body includes a first cylindrical section, a second cylindrical section, a third cylindrical section, and a threaded section that are integrally connected in sequence. The first extrusion block is located between the first cylindrical section and the second cylindrical section. The first anti-detachment groove is located between the first cylindrical section and the first extrusion block. The bushing is sleeved on the third cylindrical section.

5. The self-riveting fastening shaft structure according to claim 4, characterized in that, The rotating shaft assembly also includes an elastic washer and a limiting nut. The limiting nut is screwed onto the threaded section, and the elastic washer is disposed between the limiting nut and the bushing.

6. The self-riveting fastening shaft structure according to claim 4, characterized in that, The pressing points of the first and second support arms are located in the middle of the second cylindrical section.

7. The self-riveting fastening shaft structure according to claim 4 or 6, characterized in that, The first cylindrical segment and the second cylindrical segment have the same diameter, the third cylindrical segment has a smaller diameter than the second cylindrical segment, and the first extrusion block has a larger diameter than the second cylindrical segment.

8. The self-riveting fastening shaft structure according to claim 2, characterized in that, Both the first extrusion block and the second extrusion block are non-cylindrical in shape. The opening of the first riveting hole is provided with a first relief groove corresponding to the shape of the first extrusion block, and the opening of the second riveting hole is provided with a second relief groove corresponding to the shape of the second extrusion block. A first step is formed at the connection between the first relief groove and the first riveting hole, and a second step is formed at the connection between the second relief groove and the second riveting hole. The diameter of the first extrusion block is larger than the diameter of the first riveting hole and smaller than the diameter of the first relief groove, and the diameter of the second extrusion block is larger than the diameter of the second riveting hole and smaller than the diameter of the second relief groove.

9. The self-riveting fastening shaft structure according to claim 1, characterized in that, The first support arm has a first connecting hole at one end, and a first pressure relief hole is provided in the first connecting hole on the side near the first riveting hole. The first pressure relief hole is connected to the first riveting hole. The second support arm has a second connecting hole at one end, and a second pressure relief hole is provided in the second connecting hole on the side near the second riveting hole. The second pressure relief hole is connected to the second riveting hole.

10. A mobile phone stand, characterized in that, Includes the self-riveting fastening shaft structure as described in any one of claims 1 to 9.