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, realizes the fastening of the pivot and a locking part under the elastic pressure of an elastic piece by arranging a convex piece in a blind hole of the pivot and matching the convex piece with a groove in the locking part, further realizes the arbitrary adjustment of the opening angle of a spectacle leg relative to a pile head, and is simple in structure and convenient to use. The assembly is convenient.

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 locking portion having a circular hole at one end of the stud, and a pivot accommodated in the circular hole, wherein the pivot is mechanically connected to the temple, wherein:

[0008] A groove is provided in the circumferential direction of the circular hole of the locking portion;

[0009] The pivot has a pivot body and an axis, a blind hole is opened on the pivot body perpendicular to the axis, the blind hole matches the groove, the elastic member is accommodated in the blind hole, the protrusion matches the blind hole and the groove, and the elastic member abuts or connects with the protrusion.

[0010] Preferably, the height of the locking portion is equal to the height of the pivot body.

[0011] Preferably, a first coupling portion and a second coupling portion are respectively provided at both ends of the pivot shaft, a first through slot is provided on the first coupling portion, and a second through slot is provided on the second coupling portion in a direction parallel to the first through slot.

[0012] Preferably, a card slot is provided on the first through slot, and a card slot is provided on the second through slot.

[0013] Preferably, a first leg and a second leg are provided in parallel at one end of the temple, the first leg cooperates with the first through slot, and the second leg cooperates with the second through slot.

[0014] Preferably, the first leg is provided with a locking protrusion corresponding to the locking groove on the first through slot, and the second leg is provided with a locking protrusion corresponding to the locking groove on the second through slot.

[0015] Preferably, a plurality of slots are provided on the first through slot, and a plurality of slots are provided on the second through slot.

[0016] Preferably, the other end of the temple is provided with a plurality of serrations with flanges.

[0017] Preferably, the temples are made of B titanium.

[0018] Compared with existing technologies, the present invention has the following advantages: the elastic connection structure of the eyeglass frame is achieved by providing a protrusion in the blind hole of the pivot, which matches the groove in the locking part. Under the elastic pressure of the elastic part, the pivot and the locking part are tightened, thereby achieving the arbitrary adjustment of the opening angle of the temple relative to the head. The locking part with a circular hole is mounted on the outside of the pivot, and a groove is circumferentially provided in the middle of the circular hole of the locking part. The pivot body is provided with a blind hole perpendicular to the axis, the blind hole matches the groove, the elastic part is accommodated in the blind hole, the protrusion matches the blind hole and the groove, and the elastic part abuts or connects with the protrusion. The structure is simple and easy to assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] 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.

[0020] Figure 1 This is a structural diagram of a full-frame eyeglass frame in the prior art.

[0021] Figure 2 This is a three-dimensional diagram of the elastic connection structure of the eyeglass frame involved in the embodiment of the present application.

[0022] Figure 3 2 is a three-dimensional diagram of the locking portion involved in the embodiment of the present application.

[0023] Figure 4 2 is a cross-sectional view of the locking portion involved in the embodiment of the present application.

[0024] Figure 5 It is a three-dimensional diagram of the pivot involved in the embodiment of the present application.

[0025] Figure 6 It is a cross-sectional view of the pivot involved in the embodiment of the present application.

[0026] Figure 7 This is a three-dimensional diagram of one end of the temple involved in the embodiment of the present application.

[0027] Figure 8 This is a three-dimensional view of the other end of the temple involved in the embodiment of the present application.

[0028] Description of Figure Numbers:

[0029] 1. Frame; 2. Nose bridge; 3. Tip; 4. Temple; 5. Stipules; 6. Temple tips;

[0030] 11. Pile head;

[0031] 13. Temple; 131. First leg; 132. Second leg; 133. Snap-on protrusion; 134. Snap-on protrusion; 135. Groove; 136. Sawtooth;

[0032] 15. Locking portion; 151. Round hole; 153. Groove;

[0033] 17. Pivot; 171. First joint; 172. Second joint; 173. First through-slot; 174. Second through-slot; 175. Clamping slot; 176. Clamping slot; 177. Pivot body; 178. Axis; 179. Blind hole; 181. Elastic member; 182. Protruding member;

[0034] d1, height of the locking part;

[0035] d2, the height of the pivot body;

[0036] d3, the depth of the first through groove.

[0037] 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

[0038] 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.

[0039] Spectacle frames mainly include full-rim frames, semi-rimless frames, rimless frames and folding frames. They are made of metal, plastic and natural organic materials. Figure 1 The 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.

[0040] In view of this, the present application provides an elastic connection structure for eyeglass frames, see Figure 2 The structure includes a pile head 11, a temple 13, a locking portion 15 with a hollow structure is provided at one end of the pile head 13, and a pivot 17 accommodated in the locking portion 15, and the pivot 17 is mechanically connected to the temple 13.

[0041] See Figure 3 and Figure 4 One end of the pile head 11 is connected to the frame or lens, and the other end of the pile head 11 is connected to the locking part 15 with a hollow structure. The hollow structure is a circular hole 151 structure. The locking part 15 is sleeved on the outside of the pivot 17. In order to prevent the pivot 17 from moving axially in the circular hole 151, a groove 153 is circumferentially provided in the hollow structure (circular hole 151) of the locking part 15, preferably in the middle position, and two parallel grooves 153 can also be provided (not shown in the figure).

[0042] See Figure 5 and Figure 6The pivot 17 is a cylindrical structure, the first coupling portion 171 is provided at one end of the pivot 17, and the second coupling portion 172 is provided at the other end of the pivot 17; a first through slot 173 is provided on the first coupling portion 171, and a second through slot 174 is provided on the second coupling portion 172 in a direction parallel to the first through slot 173; a clamping slot 175 and a clamping slot 176 are respectively provided on the first through slot 173 and the second through slot 174; the middle section of the pivot 17 is a pivot body 177, and a blind hole 179 perpendicular to the axis 178 is provided on the pivot body 177, an elastic member 181 and a protruding member 182 are accommodated in the blind hole 179, one end of the elastic member 181 abuts against the bottom of the blind hole 179, and one end of the elastic member 181 abuts or connects to the protruding member 182, as shown in FIG. Figure 6 The protruding member 182 is a sphere.

[0043] It should be noted that the height d1 of the locking portion 15 is equivalent to the height d2 of the pivot body 177, the groove 153 on the locking portion 15 corresponds to the position of the blind hole 179 on the pivot body 177, and the inner diameter of the circular hole 151 on the locking portion 15 matches the outer diameter of the pivot body 177. The pivot body 177 is accommodated in the circular hole 151 of the locking portion 15, the blind hole 179 corresponds to the groove 153, and the protrusion 182 in the blind hole 179 is engaged with the groove 183. This mutual cooperation ensures that the pivot 17 does not deviate or disengage axially when rotating within the locking portion 15. As can be seen, the diameter of the blind hole 179 matches the outer diameter of the protrusion 182.

[0044] See Figure 7 A first leg 131 and a second leg 132 are provided parallel to one end of the temple 13. The first leg 131 mates with the first through-slot 173, and the second leg 132 mates with the second through-slot 174. A latching protrusion 133 and a latching protrusion 134 are provided on the inner sides of the first leg 131 and the second leg 132, corresponding to the latching slot 175 and the latching slot 176, respectively. To facilitate assembly and engagement of the first leg 131 and the second leg 132 with the pivot 17, a split groove 135 is provided between the first leg 131 and the second leg 132, which increases the elasticity of the first leg 131 and the second leg 132 and reduces the weight of the temple 13.

[0045] It should be noted that, combined with Figure 2 、 Figure 5 、 Figure 6 and Figure 7 The first leg 131 and the second leg 132 match the first through slot 173 and the second through slot 174 respectively. Specifically, the height of the first leg 131 matches the depth d3 of the first through slot 173. When the first leg 131 and the first through slot 173 are assembled together, the height is flush and the overall appearance is more beautiful.

[0046] It should be noted that there can be multiple card slots 175 (card slots 176) in the first through slot 173 (second through slot 174), and the card protrusion 133 (card protrusion 134) on the first leg 131 (second leg 132) can be engaged in a certain card slot to adjust the length of the temple 13.

[0047] It can be seen that the latching protrusion 133 (latching protrusion 134) on the first leg 131 (second leg 132) can also be replaced by a latching slot, and accordingly, the latching slot 175 (latching slot 176) in the first through slot 173 (second through slot 174) is replaced by a latching protrusion.

[0048] See Figure 8 The other end of the temple 13 is provided with a plurality of saw teeth 136 with flanges to facilitate fine adjustment of the angle.

[0049] In the above embodiment, the material of the temple 13 includes pure titanium, titanium alloy, such as b-titanium, and the material of the head includes stainless steel, white copper, etc.

[0050] The elastic connection structure of the eyeglass frame is achieved by setting a protrusion 182 in the blind hole 179 of the pivot 17, which matches the groove 153 in the locking part 15. Under the elastic pressure of the elastic member 181, the pivot 17 and the locking part 15 are fastened, thereby achieving the arbitrarily adjustable opening angle of the temple 13 relative to the pile head 11.

[0051] The elastic member 181 in the above embodiment is preferably a spring.

Claims

1. An elastic connection structure for a glasses frame, comprising a stud (11), a temple (13), a locking portion (15) provided at one end of the stud (11) and having a circular hole (151), and a pivot (17) received in the circular hole (151), wherein the pivot (17) is mechanically connected to the temple (13), and is characterized in that: A groove (153) is provided in the inner circumference of the circular hole (151) of the locking portion (15); The pivot (17) has a pivot body (177) and an axis (178). A blind hole (179) is provided on the pivot body (177) perpendicular to the axis (178). The blind hole (179) matches the groove (153). An elastic member (181) is accommodated in the blind hole (179). A protrusion (182) matches the blind hole (179) and the groove (153). The elastic member (181) abuts or connects with the protrusion (182).

2. The elastic connection structure of the eyeglass frame according to claim 1, characterized in that: The height of the locking portion (15) is equal to the height of the pivot body (177).

3. The elastic connection structure of the eyeglass frame according to claim 2, characterized in that: A first coupling portion (171) and a second coupling portion (172) are respectively provided at both ends of the pivot shaft (17); a first through slot (173) is provided on the first coupling portion (171); and a second through slot (174) is provided on the second coupling portion (172) in a direction parallel to the first through slot (173).

4. The elastic connection structure of the eyeglass frame according to claim 3, characterized in that: A card slot is provided on the first through slot (173), and a card slot is provided on the second through slot (174).

5. The elastic connection structure of the eyeglass frame according to claim 4, characterized in that: A first leg (131) and a second leg (132) are arranged in parallel at one end of the temple (13); the first leg (131) cooperates with the first through slot (173); and the second leg (132) cooperates with the second through slot (174).

6. The elastic connection structure of the eyeglass frame according to claim 5, characterized in that: The first leg (131) is provided with a latching protrusion corresponding to the latching slot on the first through slot (173), and the second leg (132) is provided with a latching protrusion corresponding to the latching slot on the second through slot (174).

7. The elastic connection structure of the eyeglass frame according to claim 6, characterized in that: The first through slot (173) is provided with a plurality of card slots, and the second through slot (174) is provided with a plurality of card slots.

8. The elastic connection structure of the eyeglass frame according to claim 7, characterized in that: The other end of the temple (13) is provided with a plurality of saw teeth (136) with flanges.

9. The elastic connection structure of the eyeglass frame according to claim 7, characterized in that: The material of the temple (13) is B titanium.

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