Elastic connecting structure of spectacle frame

Abstract

The utility model discloses an elastic connecting structure of a spectacle frame, which belongs to the technical field of spectacle frames and is characterized in that a rotating part with a plum blossom structure is arranged at one end of a pile head, an extending part and a free end connected through a bending part are arranged at one end of each spectacle leg, a through groove for accommodating the rotating part is formed in the bending part, and two supporting legs of the bending part are bent to form through holes; grooves are formed in the opposite inner sides of the extending parts and the free ends, the elastic pieces are contained in the grooves, the balls are arranged in the through grooves and matched with the plum blossom structures, and angle adjustment of the glasses legs is achieved through the concave parts and the convex parts of the plum blossom structures.

Description

Technical Field

[0001] The utility model relates to the technical field of glasses frames, in particular to a connection structure between glasses legs and a head, and in particular to a structure capable of realizing continuous angle adjustment. Background Art

[0002] Chinese Patent Document 1 (CN 116736557 A) discloses a fully enclosed hinge for an eyeglass frame. The hinge connector includes a first rotating portion, a second rotating portion, and an intermediate connecting portion. The first rotating portion and the second rotating portion are rotatably mounted on either side of the intermediate connecting portion. An assembly extension is provided on the first rotating portion, and a corresponding assembly hole is provided on the second rotating portion corresponding to the assembly extension. A limit snap is provided on the assembly extension, and a limit block is provided in the assembly hole. The limit block is snapped into the limit snap. The opening angle of the limit snap is set to limit the adjustment range of the rotation angle. It can be seen that providing a limit snap on the assembly extension will reduce its own mechanical strength. If a limit snap with a larger opening angle is provided, the stability and service life of the overall structure will undoubtedly be reduced.

[0003] Chinese Patent Document 2 (CN 219475933 U) discloses a temple with an elastic friction hinge. This hinge uses an elastic member to drive a push block into contact with the post. During rotation, friction between the push block and the post occurs, enabling angle adjustment. The post is connected to the hinge box via a connector (screw), which can loosen and fall off during rotation. Furthermore, the hinge box has a complex structure, including a receiving slot, a limit slot, and a blocking surface, placing high demands on the strength of the hinge box.

[0004] Chinese Patent Document 3 (CN 221707823 U) discloses a hingeless, screw-less, detachable eyeglass frame structure. A connecting base with a through-hole is provided at one end of the temple, and a mounting base with a toothed groove is provided at the end of the head. The temple is assembled into the through-hole via a rotating shaft and a positioning column. Positioning grooves are provided on the rotating shaft and the positioning column, matching the toothed grooves on the mounting base. A retaining piece provided at the end of the connecting base provides a position limit. This structure has a fixed temple opening angle and relatively many parts.

[0005] Chinese Patent Document 4 (CN 221225205 U) discloses a detachable temple structure for eyeglass frames. The temple's head is connected to a cylindrical structure with a through hole. A rotating member is placed in the through hole. The temple's end is provided with a U-shaped opening that engages the rotating member. Angle adjustment is achieved by using a notch in the cylindrical structure. Similarly, the angle of temple rotation in this structure depends on the size of the notch. As the human head grows and changes in shape, this structure limits angle adjustment. Utility Model Content

[0006] The main purpose of the present invention is to solve the technical problem of limited angle adjustment in the above patent documents.

[0007] According to the utility model, an elastic connection structure of a glasses frame is proposed, comprising a stud, a temple, a rotating part with a plum blossom structure provided at one end of the stud, and a pivot supporting the rotating part, wherein the pivot is mechanically connected to the temple, wherein:

[0008] The plum blossom structure of the rotating part comprises adjacent concave parts and convex parts transitionally connected to the concave parts, and the rotating part is provided with an axial hole for the pivot to pass through;

[0009] One end of the temple comprises an extension portion and a free end connected by a bent portion, the bent portion defining a through slot for accommodating the rotating portion, and two legs of the bent portion being bent to form a through hole; a groove is defined on the inner sides of the extension portion and the free end, an elastic member being accommodated in the groove, a ball being disposed in the through slot, the diameter of the ball being greater than the width of the through slot, and the elastic member abutting against or connecting the ball;

[0010] The pivot passes through the through hole and the shaft hole to connect the rotating part with the temple.

[0011] Preferably, the free end is fixed to the extension portion by a screw.

[0012] Preferably, the pivot includes a shaft and fixing members connected to both ends of the shaft.

[0013] Preferably, the elastic member is a spring.

[0014] Preferably, the temples are made of B titanium.

[0015] Compared with the existing technology, the utility model has the following beneficial effects: the elastic connection structure of the eyeglass frame is provided with a rotating part with a plum blossom structure at one end of the pile head, one end of the temple has an extension part and a free end connected by a bent part, the bent part is provided with a through groove for accommodating the rotating part, and the two legs of the bent part are bent to form a through hole; grooves are provided on the inner sides of the extension part and the free end, the elastic part is accommodated in the groove, the ball is provided in the through groove, the ball cooperates with the plum blossom structure, and the angle adjustment of the temple is achieved through the concave and convex parts of the plum blossom structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] With reference to the accompanying drawings, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings are only used for illustrative purposes and are not intended to limit the scope of protection of the present utility model.

[0017] Figure 1 This is a structural diagram of a full-frame eyeglass frame in the prior art.

[0018] Figure 2This is a three-dimensional diagram of the elastic connection structure of the eyeglass frame involved in the embodiment of the present application.

[0019] Figure 3 It is a three-dimensional diagram of the rotating part involved in the embodiment of this application.

[0020] Figure 4 This is a three-dimensional view of the other end of the temple involved in the embodiment of the present application.

[0021] Figure 5 This is a cross-sectional view of the temple involved in the embodiment of the present application.

[0022] Figure 6 It is a three-dimensional diagram of the pivot involved in the embodiment of the present application.

[0023] Description of Figure Numbers:

[0024] 1. Frame; 2. Nose bridge; 3. Tip; 4. Temple; 5. Stipules; 6. Temple tips;

[0025] 21. Pile head;

[0026] 23, temple; 231, extension; 232, free end; 233, bent portion; 233a, through slot; 233b, leg; 233c, through hole; 234, groove;

[0027] 25. Rotating part; 251. Concave part; 252. Protruding part; 253. Shaft hole;

[0028] 27. Pivot;

[0029] 28. Screws;

[0030] 29. Elastic member; 271. Shaft; 272. Fixing member;

[0031] 30. Ball bearing.

[0032] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure.

[0034] Spectacle frames mainly include full-frame frames, semi-frame frames, rimless frames and folding frames. They are made of metal, plastic and natural organic materials. Figure 1The structure of a full-frame glasses frame is shown as an example. The frame mainly includes two frames 1, a nose bridge 2 connecting the two frames 1, and a stud 3 symmetrically connected to the outside of the frame 1. The stud 3 is connected to the temple 4. A stud 5 is provided on the frame 1 near the nose bridge 2 and below the nose bridge 2. The tail end of the temple 4 is provided with a foot cover 6. The connection between the stud 3 and the temple 4 is generally a hinge connection, a screw or bolt, and the snap-fit ​​method mentioned in the background art, and the angle rotation is achieved by slotting (setting a notch). The opening angle of the temple in the above-mentioned prior art is limited, or depends on the size of the notch of the component or the opening of the bayonet, that is, it can only be opened to a relatively fixed angle. As the human head shape or hairstyle changes, the temple with a fixed opening angle will cause friction between the human ear and the cranial ear angle of the head, causing discomfort when wearing, which is not in line with the principles of ergonomics.

[0035] In view of this, the present application provides an elastic connection structure for eyeglass frames, see Figure 2 The structure includes a pile head 21, a temple 23, a rotating part 25 with a plum blossom structure arranged at one end of the pile head 23, and a pivot 27 for supporting the rotating part 25, and the pivot 27 is mechanically connected to the temple 23.

[0036] See Figure 3 One end of the pile head 21 is connected to the frame or lens, and the other end of the pile head 21 is connected to the rotating part 25 with a plum blossom structure. The plum blossom structure is composed of adjacent recessed parts 251 and convex parts 252. The recessed parts 251 and the convex parts 252 are transitionally connected. The rotating part 25 has an axial hole 253 for the pivot 27 to pass through.

[0037] See Figure 4 One end of the temple 23 has an extension portion 231 and a free end 232 connected by a bent portion 233. The bent portion 233 defines a through groove 233a for accommodating the rotating portion 25 having a plum blossom structure. The bent portion 233 forms two legs 233b that are bent to form a through hole 233c.

[0038] See Figure 4 and Figure 5 A groove 234 is provided on the inner sides of the extension portion 231 and the free end 232 of the temple 23, and an elastic member 29 is arranged in the groove 234. One end of the elastic member 29 abuts against the end of the groove 234, and the other end of the elastic member 29 abuts or is connected to a ball 30. The ball 30 is confined in the through groove 233a of the curved portion 233. The diameter of the ball 30 is greater than the width of the through groove 233a and cooperates with the rotating portion 25 of the plum blossom structure.

[0039] See Figure 6 The pivot 27 includes a shaft 271 and fixing members 272 connected to both ends of the shaft 271 .

[0040] When assembling the elastic connection structure of the eyeglass frame of the present application, first place the elastic member 29 in the groove 234, then place the ball 30 in the through groove 233a, fix the free end 232 by the screw 28, and then place the rotating part 25 in the through groove 233a, the concave portion 251 of the plum blossom structure abuts against the ball 30, and the shaft 271 of the pivot 27 passes through the through hole 233c and the shaft hole 253 of the rotating part 25, and the fixing member 272 is fixed. The ball 30 generates pressure on the concave portion 251 under the elastic pressure of the elastic member 29. When the rotating part 25 rotates to a certain angle, the ball 30 can abut against the top of the convex portion 252 or the adjacent concave portion 251, thereby realizing the angle adjustment of the temple 23.

[0041] It should be noted that the material of the temples in the above embodiments includes pure titanium and titanium alloys, such as B titanium, and the material of the head includes stainless steel, white copper, etc.

[0042] The elastic member 29 in the above embodiment is preferably a spring.

Claims

1. An elastic connection structure for a glasses frame, comprising a stud (21), a temple (23), a rotating portion (25) having a plum blossom structure provided at one end of the stud (21), and a pivot (27) supporting the rotating portion (25), wherein the pivot (27) is mechanically connected to the temple (23), and characterized in that: The plum blossom structure of the rotating portion (25) comprises adjacent recesses (251) and convex portions (252) transitionally connected to the recesses (251), and the rotating portion (25) is provided with an axial hole (253) for the pivot shaft (27) to pass through. One end of the temple (23) comprises an extension portion (231) and a free end (232) connected by a bent portion (233); the bent portion (233) is provided with a through groove (233a) for accommodating the rotating portion (25); two legs (233b) of the bent portion (233) are bent to form a through hole (233c); a groove (234) is provided on the inner sides of the extension portion (231) and the free end (232); an elastic member (29) is accommodated in the groove (234); a ball (30) is arranged in the through groove (233a); the diameter of the ball (30) is greater than the width of the through groove (233a); and the elastic member (29) abuts against or connects to the ball (30); The pivot (27) passes through the through hole (233c) and the shaft hole (253) to connect the rotating part (25) and the temple (23).

2. The elastic connection structure of the eyeglass frame according to claim 1, characterized in that: The free end (232) is fixed to the extension portion (231) by a screw (28).

3. The elastic connection structure of the eyeglass frame according to claim 2, characterized in that: The pivot (27) includes a shaft (271) and fixing members (272) connected to both ends of the shaft (271).

4. The elastic connection structure of the eyeglass frame according to claim 3, characterized in that: The elastic member (29) is a spring.

5. The elastic connection structure of the eyeglass frame according to claim 4, characterized in that: The material of the temple (23) is B titanium.

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