Hinge combination structure

By using an upper bushing, a lower bushing, an upper washer, and a lower washer to separate the pin and the temple in the eyeglass hinge assembly structure, and combining plastic and metal materials, the problem of loosening and falling off of the hinge structure is solved, thereby improving the service life of the eyeglasses and production efficiency.

CN224067095UActive Publication Date: 2026-03-31WENZHOU TIDA OPTICAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-29
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The hinge structure of existing eyeglasses is prone to loosening or falling off due to wear and tear, which affects its service life.

Method used

The design employs a combination of a pin and a hinge assembly, using an upper bushing, a lower bushing, an upper washer, and a lower washer to separate the pin and temple from the hinge assembly, avoiding direct contact. The combination of plastic and metal materials also reduces wear.

Benefits of technology

It significantly reduces the loosening and detachment of hinged structures, extends service life, reduces production costs, increases production efficiency, and has a simple and reliable structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hinge combination structure. The hinge combination structure comprises a pile head and a glasses leg connected with the pile head through a hinge assembly, the hinge assembly comprises a screw and a screw sleeve, one end of the pile head is provided with an upper connecting part and a lower connecting part, one end of the glasses leg is rotatably arranged between the upper connecting part and the lower connecting part, the upper connecting part and the lower connecting part are respectively provided with an upper hole and a lower hole, the glasses leg is provided with a middle hole coaxial with the upper hole and the lower hole, and the screw sleeve extends into the middle hole from the lower hole. The screw extends into the middle hole from the upper hole and is in threaded connection with the thread sleeve, an upper shaft sleeve is arranged between the screw and the inner wall of the upper hole, a lower shaft sleeve is arranged between the thread sleeve and the inner wall of the lower hole, an upper gasket is arranged between the upper shaft sleeve and the glasses leg, a lower gasket is arranged between the lower shaft sleeve and the glasses leg, and a gasket is arranged between a screw head of the screw and the upper shaft sleeve; the lower end of the threaded sleeve is provided with a limiting flange extending towards the periphery and abutting against the lower end of the lower shaft sleeve. The glasses are simple and reliable in structure, the hinge structure is not easy to loosen, fall off and the like, and the service life of the glasses can be remarkably prolonged.
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Description

Technical Field

[0001] This utility model relates to the field of eyeglasses technology, and in particular to a hinge assembly structure for eyeglass temples. Background Technology

[0002] Eyeglasses are a widely used type of wearable product, mainly consisting of frames, lenses, and two temples located at either end of the frame.

[0003] Currently, with social development and progress, the structure of eyeglasses has also evolved. However, most frames and temples are still hinged, making it convenient to fold and store the temples.

[0004] Hinged structures often use bolts for hinges, with the threaded surface of the bolt providing the hinge function. However, this structure is prone to wear and tear, and with prolonged use, it may loosen or even fall off, affecting the lifespan of the glasses. Utility Model Content

[0005] The purpose of this invention is to provide a hinge assembly structure. This invention has a simple and reliable structure, and the hinge structure is not prone to loosening or falling off, which can significantly improve the service life of eyeglasses.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a hinge assembly structure, including a post head and an eyeglass temple connected to the post head via a hinge assembly; the hinge assembly includes a screw and a threaded sleeve, one end of the post head is provided with an upper connecting part and a lower connecting part, one end of the eyeglass temple is rotatably disposed between the upper connecting part and the lower connecting part, the upper connecting part and the lower connecting part are respectively provided with an upper hole and a lower hole, the eyeglass temple is provided with a central hole coaxial with the upper hole and the lower hole, the threaded sleeve extends into the central hole from the lower hole, the screw extends into the central hole from the upper hole and is threadedly connected to the threaded sleeve, an upper bushing is provided between the screw and the inner wall of the upper hole, a lower bushing is provided between the threaded sleeve and the inner wall of the lower hole, an upper washer is provided between the upper bushing and the eyeglass temple, a lower washer is provided between the lower bushing and the eyeglass temple, a washer is provided between the screw head of the screw and the upper bushing, and a limiting flange extending outward and abutting against the lower end of the lower bushing is provided at the lower end of the threaded sleeve.

[0007] By adopting the above technical solution, the pin and temple of the eyeglasses are separated from the hinge assembly by the upper bushing, lower bushing, upper washer, and lower washer, so that the pin and the hinge assembly do not directly contact each other. This ensures that when the temple rotates, the force is only transmitted to the upper washer, lower washer, upper bushing, and lower bushing, avoiding direct force on the hinge assembly and significantly reducing friction between the screw and the bushing. Therefore, this structure is simple and reliable, and the hinge structure is less prone to loosening or falling off. It can effectively improve fatigue testing and service life, significantly extending the lifespan of the eyeglasses, while reducing production costs and increasing production efficiency.

[0008] The present invention is further configured such that the inner circular surface of the upper washer is provided with a downwardly extending first spacer, the first spacer being sandwiched between the inner wall of the central hole and the threaded sleeve, and the inner circular surface of the lower washer is provided with an upwardly extending second spacer, the second spacer being sandwiched between the inner wall of the central hole and the threaded sleeve.

[0009] By adopting the above technical solution, the screw sleeve can be further separated from the temple of the eyeglasses, thus preventing contact between the two.

[0010] The present invention is further configured such that the inner circular surface of the gasket is provided with a downwardly extending support flange, and the support flange is sandwiched between the inner wall of the upper bushing and the screw.

[0011] By adopting the above technical solution, the axial positioning of the upper and lower bushings is achieved, ensuring the stability of the connection between the pile head and the temple of the eyeglasses.

[0012] The present invention is further configured such that the upper bushing and the lower bushing are both made of plastic, and the gasket, the upper washer and the lower washer are all made of metal.

[0013] By adopting the above technical solution and using a structure that combines plastic and metal materials, wear can be significantly reduced, thereby extending the service life of the structure.

[0014] The present invention is further provided that the upper end of the gasket is provided with a relief groove for the screw head of the screw to be inserted.

[0015] By adopting the above technical solutions, not only can the overall volume be reduced, but the surface can also be made smoother and more aesthetically pleasing.

[0016] The present invention is further provided that the screw head end is provided with an operating groove.

[0017] By adopting the above technical solution, the operating groove can be a slotted groove or a cross-shaped groove. With the corresponding screwdriver and the operating groove in place, disassembly and assembly are very convenient.

[0018] The present invention is further provided with a clockwise rotation limiting part and a counterclockwise rotation limiting part between the upper connecting part and the lower connecting part for limiting the circumferential rotation of the temple of the glasses.

[0019] By adopting the above technical solution, the maximum swing angle of the temples of the glasses can be limited, allowing them to fold and unfold properly, making them more convenient to use.

[0020] The present invention is further provided that a temple cover is installed at the end of the temple away from the hinge assembly.

[0021] By adopting the above technical solution, not only can it prevent slipping, but it can also reduce the pressure of glasses on the ears, thus protecting the ears.

[0022] The present invention is further configured such that a screw portion is provided at the end of the temple away from the hinge assembly, the temple sleeve is threadedly connected to the screw portion, and a stud for abutting the screw portion is threadedly connected radially to the side of the temple sleeve.

[0023] By adopting the above technical solution, disassembly and assembly are very convenient, and the connection structure is very strong.

[0024] The present invention is further provided with a plurality of T-shaped barbs for securing the temple cover on one side of the temple and at the end away from the hinge assembly.

[0025] By adopting the above technical solution, disassembly and assembly are also very convenient. It can be used for the installation of large-area foot covers and can ensure the firmness of the foot cover connection between various parts. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0027] Figure 2 This is a cross-sectional view of the entire utility model;

[0028] Figure 3 This is an exploded view of the entire utility model;

[0029] Figure 4 This is a schematic diagram of the structure of the pile head of this utility model;

[0030] Figure 5 This is a schematic diagram of the first structure of the temple of the eyeglasses according to this utility model;

[0031] Figure 6 This is a schematic diagram of the second structure of the temple of the eyeglasses according to this utility model.

[0032] In the diagram: 1. Pile head; 2. Hinge assembly; 3. Eyeglass temple; 4. Screw; 5. Screw sleeve; 6. Upper connecting part; 7. Lower connecting part; 8. Upper hole; 9. Lower hole; 10. Middle hole; 11. Upper bushing; 12. Lower bushing; 13. Upper washer; 14. Lower washer; 15. Washer; 16. Limiting flange; 17. First spacer; 18. Second spacer; 19. Support flange; 20. Relief groove; 21. Operating groove; 22. Clockwise rotation limiting part; 23. Counterclockwise rotation limiting part; 24. Foot sleeve; 25. Screw part; 26. Stud; 27. T-shaped barb part. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Example: As attached Figures 1-6The illustrated hinge assembly includes a head 1 and a temple 3 connected to the head 1 via a hinge assembly 2. The hinge assembly 2 includes a screw 4 and a threaded sleeve 5, the internal thread of the threaded sleeve 5 being adapted to the external thread of the screw 4. One end of the head 1 is integrally provided with an upper connecting part 6 and a lower connecting part 7. One end of the temple 3 is rotatably disposed in the gap between the upper connecting part 6 and the lower connecting part 7. The upper connecting part 6 and the lower connecting part 7 are respectively provided with an upper hole 8 and a lower hole 9. The temple 3 is provided with a central hole 10 coaxial with the upper hole 8 and the lower hole 9. The threaded sleeve 5 extends into the central hole 10 through the lower hole 9. The screw 4 extends from the upper hole 8 into the middle hole 10 and is threadedly connected to the screw sleeve 5. An upper bushing 11 is provided between the screw 4 and the inner wall of the upper hole 8. The outer diameter of the upper bushing 11 is equivalent to the inner diameter of the upper hole 8. A lower bushing 12 is provided between the screw sleeve 5 and the inner wall of the lower hole 9. The outer diameter of the lower bushing is equivalent to the inner diameter of the lower hole 9. An upper washer 13 is provided between the upper bushing 11 and the temple 3. A lower washer 14 is provided between the lower bushing 12 and the temple 3. A washer 15 is provided between the screw head of the screw 4 and the upper bushing 11. A limiting flange 16 is provided at the lower end of the screw sleeve 5, extending outward and abutting against the lower end of the lower bushing 12. The upper bushing 11, lower bushing 12, upper washer 13, and lower washer 14 separate the pin 1 and the temple 3 from the hinge assembly 2, preventing direct contact between the pin 1 and the hinge assembly 2. Similarly, the temple 3 does not directly contact the hinge assembly 2. Therefore, when the temple 3 rotates, the force is only transmitted to the upper washer 13, lower washer 14, upper bushing 11, and lower bushing 12, avoiding direct force on the hinge assembly 2 and significantly reducing friction between the screw 4 and the screw sleeve 5. This structure is simple and reliable, and the hinge structure is less prone to loosening or falling off. It can effectively improve fatigue testing and service life, significantly extending the lifespan of the glasses while reducing production costs and increasing production efficiency.

[0035] As attached Figure 2 and attached Figure 3 As shown, the inner circular surface of the upper washer 13 is provided with a downwardly extending first spacer 17, which is integral with the upper washer 13. The first spacer 17 is sandwiched between the inner wall of the central hole 10 and the threaded sleeve 5. The inner circular surface of the lower washer 14 is provided with an upwardly extending second spacer 18, which is integral with the lower washer 14. The second spacer 18 is sandwiched between the inner wall of the central hole 10 and the threaded sleeve 5. This design can further separate the threaded sleeve 5 from the temple 3, preventing contact between the two.

[0036] As attached Figure 2 and attached Figure 3As shown, the inner circular surface of the gasket 15 is provided with a downwardly extending support flange 19. The outer diameter of the support flange 19 is approximately equal to the inner diameter of the upper bushing 11, and the inner diameter of the support flange 19 is approximately equal to the outer diameter of the screw 4. The support flange 19 is sandwiched between the inner wall of the upper bushing 11 and the screw 4. This design can achieve axial positioning of the upper bushing 11 and the lower bushing 12, ensuring the stability of the connection between the post head 1 and the temple 3.

[0037] The upper bushing 11 and lower bushing 12 are both made of plastic, while the gasket 15, upper washer 13, and lower washer 14 are all made of metal. This combination of plastic and metal materials significantly reduces wear and extends the lifespan of the structure.

[0038] As attached Figure 2 As shown, the upper end of the washer 15 is provided with a relief groove 20 for the screw head of the screw 4 to be inserted, wherein the screw head is a conical shape that is larger at the top and smaller at the bottom, and the shape of the relief groove 20 is similar to the shape of the screw head. This design not only reduces the overall volume, but also makes the surface smoother and more aesthetically pleasing.

[0039] As attached Figure 2 As shown, the screw head of the screw 4 is provided with an operating groove 21. The operating groove 21 can be a slotted groove or a cross-shaped groove. By engaging the corresponding screwdriver with the operating groove 21, disassembly and assembly are very convenient.

[0040] As attached Figure 4 As shown, a clockwise rotation limiting part 22 and a counterclockwise rotation limiting part 23 are provided between the upper connecting part 6 and the lower connecting part 7 to limit the circumferential rotation of the temple 3. This design can limit the maximum swing angle of the temple 3, allowing it to fold and unfold properly, making it more convenient to use.

[0041] As attached Figure 5 and attached Figure 6 As shown, a temple cover 24 is installed at the end of the eyeglass temple 3 away from the hinge assembly 2. The temple cover 24 can be made of a soft material such as silicone. This design not only has an anti-slip function, but also reduces the pressure of the glasses on the ears, thus protecting the ears.

[0042] The structure of the temple 3 connecting to the temple sleeve 24 has the following two methods:

[0043] The first method is as follows: (see attached) Figure 5 As shown, the end of the temple 3 away from the hinge assembly 2 is provided with a screw portion 25. The temple sleeve 24 is threadedly connected to the screw portion 25, and the side of the temple sleeve 24 is radially threaded with a stud 26 for abutting against the screw portion 25, that is, the side of the temple sleeve 24 has a screw hole for the stud 26 to be screwed in. This design makes disassembly and assembly very convenient, and the connection structure is very strong.

[0044] The second method is as follows: (see attached) Figure 6 As shown, one side of the temple 3 and the end away from the hinge assembly 2 are provided with multiple T-shaped barbs 27 for securing the temple cover 24, that is, the temple cover 24 has T-shaped barb grooves that fit with the T-shaped barb portions 27. This design is also very convenient to assemble and disassemble, and is suitable for the installation of large-area temple covers 24, ensuring the firmness of the temple cover 24 connecting various parts.

Claims

1. A hinge assembly comprising a stud (1) and a temple (3) connected to the stud (1) by a hinge assembly (2); characterized in that: The hinge assembly (2) comprises a screw (4) and a nut (5), the pile head (1) is provided with an upper connecting part (6) and a lower connecting part (7) at one end, the glasses leg (3) is rotatably arranged between the upper connecting part (6) and the lower connecting part (7) at one end, the upper connecting part (6) and the lower connecting part (7) are respectively provided with an upper hole (8) and a lower hole (9), the glasses leg (3) is provided with a middle hole (10) coaxial with the upper hole (8) and the lower hole (9), the nut (5) extends into the middle hole (10) from the lower hole (9), the screw (4) extends into the middle hole (10) from the upper hole (8) and is threadedly connected with the nut (5), an upper shaft sleeve (11) is arranged between the screw (4) and the inner wall of the upper hole (8), a lower shaft sleeve (12) is arranged between the nut (5) and the inner wall of the lower hole (9), an upper gasket (13) is arranged between the upper shaft sleeve (11) and the glasses leg (3), a lower gasket (14) is arranged between the lower shaft sleeve (12) and the glasses leg (3), a gasket (15) is arranged between the screw head of the screw (4) and the upper shaft sleeve (11), and the lower end of the nut (5) is provided with a limiting flange (16) extending outward and abutting against the lower end of the lower shaft sleeve (12).

2. A hinge assembly according to claim 1, wherein: A first spacer ring (17) extending downward is arranged on the inner circular surface of the upper gasket (13), and the first spacer ring (17) is clamped between the inner wall of the middle hole (10) and the nut (5); and a second spacer ring (18) extending upward is arranged on the inner circular surface of the lower gasket (14), and the second spacer ring (18) is clamped between the inner wall of the middle hole (10) and the nut (5).

3. A hinge assembly according to claim 1 or 2, wherein: A support flange (19) extending downward is arranged on the inner circular surface of the gasket (15), and the support flange (19) is clamped between the inner wall of the upper shaft sleeve (11) and the screw (4).

4. The combination hinge structure of claim 1, wherein: The upper shaft sleeve (11) and the lower shaft sleeve (12) are both made of plastic material, and the gasket (15), the upper gasket (13) and the lower gasket (14) are all made of metal material.

5. The combination hinge structure of claim 1, wherein: The upper end of the gasket (15) is provided with a clearance groove (20) for embedding the screw head of the screw (4).

6. The combination hinge structure of claim 1, wherein: The screw head end of the screw (4) is provided with an operation groove (21).

7. The combination hinge structure of claim 1, wherein: A clockwise rotation limiting part (22) and a counterclockwise rotation limiting part (23) for limiting the circumferential rotation of the glasses leg (3) are arranged between the upper connecting part (6) and the lower connecting part (7).

8. The combination hinge structure of claim 1, wherein: A foot cover (24) is mounted on the end of the glasses leg (3) away from the hinge assembly (2).

9. A hinge assembly according to claim 8, wherein: A screw rod part (25) is arranged on the end of the glasses leg (3) away from the hinge assembly (2), the foot cover (24) is threadedly connected to the screw rod part (25), and the side part of the foot cover (24) is radially threadedly connected with a screw post (26) for abutting against the screw rod part (25).

10. The combination hinge structure of claim 8, wherein: A plurality of T-shaped barbs (27) for clamping the foot cover (24) are arranged on one side of the glasses leg (3) and on the end thereof away from the hinge assembly (2).