Spectacle frame based on redundant hinge bending angle

Abstract

The utility model discloses a spectacle frame based on a redundant hinge bending angle, which comprises a hinge structure, spectacle legs and a spectacle frame, the hinge structure, the spectacle legs and the spectacle frame are mutually combined to play a role, when the spectacle frame is opened and worn in a bending redundant state for preventing breakage, the strength and the head circumference of a user can influence the opening and bending angle of the spectacle legs, so that the spectacle frame cannot be damaged. Therefore, the limiting boss in a wearing state can be continuously opened outwards after abutting against the limiting pin B, the limiting boss slides around the limiting pin B, and the limiting leg continuously moves in the bending groove until abutting against the limiting vertex at the tail end of the bending groove, so that the situation that the glasses leg is broken due to excessive bending is avoided, and the glasses leg is simple in structure and easy to maintain in the later period.

Description

Technical Field

[0001] The utility model relates to the field of glasses hinges, in particular to a glasses frame based on a redundant hinge bending angle. Background Art

[0002] Glasses are an optical device mainly used to correct vision or protect the eyes. They consist of lenses and frames. The lenses are responsible for adjusting the light entering the eyes, changing the refraction or reflection of light, so that the image of objects is clearly presented on the retina. The frames are used to fix the lenses and allow the glasses to be worn comfortably on the face.

[0003] For example, the Chinese patent publication number CN218866243U discloses a novel triangular hinge device, comprising a triangular hinge component, a through-hole track groove provided on the triangular hinge component, a positioning hole provided on the triangular hinge component, and the positioning hole located on one side of the through-hole track groove; a temple, one end of the temple bifurcated into a first connecting rod and a second connecting rod, the first connecting rod being connected to the positioning hole axis, and the second connecting rod being movably connected to the through-hole track groove, so that the movement forms a positive rotation folding state and a negative rotation widening angle; the utility model utilizes the second connecting rod to be located at different positions of the through-hole track groove, so that the temple forms a horizontal state, a positive rotation folding state and a negative rotation unfolding state relative to the triangular hinge component, so that the user can choose whether to widen the opening angle of the temple according to the tightness of the glasses, avoid the discomfort of wearing the opposite ear, improve the user experience and reduce the fatigue of the user wearing glasses.

[0004] In summary, existing eyeglass frames have many drawbacks, which can be summarized as follows:

[0005] ① When wearing the glasses, the temples may bend excessively due to the force of opening or the size of the user's head circumference, which may cause the temples to break;

[0006] ② Although the new triangular hinge device in the above-mentioned prior art is a special hinge structure that can change the bending angle of the temple, the angle adjustment is still performed by direct contact of the shaft connection on the rotating part. After a long time, the shaft body is prone to wear, loosening or even falling off, and disassembly and replacement also require disassembly of multiple shaft bodies. The structure is relatively complex and is not conducive to later maintenance and repair. Utility Model Content

[0007] In view of the deficiencies in the prior art, the present invention provides a frame based on a redundant hinge bending angle to solve the above problems.

[0008] In order to achieve the above objectives, the present invention is implemented through the following technical solutions.

[0009] A frame based on a redundant hinge bending angle, comprising a hinge structure, temples, and a frame, wherein one side of the hinge structure is connected to the frame and the other side is rotatably connected to the temples, the hinge structure is provided with a connecting pin A, a limiting pin B, a rotating groove, and a bending groove, the rotating groove corresponding to the connecting pin A is located on the inner side of the hinge structure, and the bending groove corresponding to the limiting pin B is located on the outer side of the hinge structure, the temples include a rotating leg and a limiting leg, the rotating leg is rotatably fixed to the hinge structure by the connecting pin A and moves in the rotating groove, and one side of the limiting leg It contacts the limit pin B and moves in the bending groove. The frame is in a redundant bending state to prevent it from breaking. When it is opened and worn, the user's strength and head circumference will affect the angle at which the temples are opened and bent. Therefore, the limit boss in the wearing state can continue to open outward after it abuts the limit pin B. The limit boss slides around the limit pin B, and the limit leg continues to move in the bending groove until it abuts the limit vertex at the end of the bending groove and then stops. This ensures that the temples will not break due to excessive bending, and the structure is simple and easy to maintain later.

[0010] Preferably, a limiting vertex is provided at the end of the bending groove.

[0011] Preferably, a V-shaped opening groove is formed between the rotating leg and the limiting leg.

[0012] Preferably, a rectangular opening groove is formed between the rotating leg and the limiting leg.

[0013] Preferably, a limiting boss is provided in the middle of the limiting leg.

[0014] Preferably, the limiting boss can contact the limiting pin B.

[0015] Preferably, the end of the rotating leg is arc-shaped.

[0016] Preferably, a cylindrical groove is provided at the connection between the rotating leg and the connecting pin A.

[0017] Preferably, the top end of the limiting leg is arc-shaped.

[0018] Preferably, both the connecting pin A and the limiting pin B are cylindrical.

[0019] Compared with the existing technology, the utility model discloses a frame based on a redundant hinge bending angle, including a hinge structure, temples, and a frame. The three are used in combination with each other to play a role. The frame has a redundant bending state to prevent breakage. When the frame is opened and worn, the user's strength and head circumference will affect the opening and bending angle of the temples. Therefore, after the limit boss in the wearing state abuts against the limit pin B, it can continue to open outward. The limit boss slides around the limit pin B, and the limit leg continues to move in the bending groove until it abuts against the limit vertex at the end of the bending groove and then stops. This ensures that the temples will not be broken due to excessive bending, and the structure is simple and easy to maintain in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of the frame based on the bending angle of the redundant hinge of the present invention;

[0021] Figure 2 This is a partial enlarged view of the structure of the frame based on the bending angle of the redundant hinge of the present invention;

[0022] Figure 3 This is a partial enlarged view of the structure of the frame based on the bending angle of the redundant hinge of the present invention;

[0023] Figure 4 This is a schematic diagram of the structure of the utility model in the storage state;

[0024] Figure 5 This is a schematic diagram of the structure of the utility model in the wearing state;

[0025] Figure 6 This is a schematic diagram of the structure of the utility model in a bending redundant state to prevent breakage;

[0026] Figure 7 This is a partial enlarged view of the utility model in the storage state;

[0027] Figure 8 This is a partial enlarged view of the utility model in the wearing state;

[0028] Figure 9 This is a partial enlarged view of the bending redundant state to prevent breakage of the utility model. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0030] Example 1

[0031] A glasses frame based on a redundant hinge bending angle comprises a hinge structure 1, a temple 2, and a frame 3. The hinge structure 1 is connected to the frame 3 on one side and is rotatably connected to the temple 2 on the other side. The hinge structure 1 is provided with a connecting pin A11, a limiting pin B12, a rotating groove 13, and a bending groove 14. The rotating groove 13 corresponds to the connecting pin A11 and is located on the inner side of the hinge structure 1. The bending groove 14 corresponds to the limiting pin B12 and is located on the outer side of the hinge structure 1. The temple 2 comprises a rotating leg 21 and a limiting leg 22. The rotating leg 21 is rotatably fixed to the hinge structure 1 by the connecting pin A11 and moves in the rotating groove 13. One side of the limiting leg 22 is in contact with the limiting pin B12 and moves in the bending groove 14.

[0032] The end of the bending groove 14 is provided with a limiting vertex 141, and there is a V-shaped opening groove between the rotating leg 21 and the limiting leg 22. There is a rectangular opening groove between the rotating leg 21 and the limiting leg 22. A limiting boss 221 is provided in the middle of the limiting leg 22, and the limiting boss 221 can contact the limiting pin B12. The end of the rotating leg 21 is arc-shaped, and a cylindrical groove is provided at the connection between the rotating leg 21 and the connecting pin A11. The top of the limiting leg 22 is arc-shaped, and both the connecting pin A11 and the limiting pin B12 are cylinders.

[0033] Working state: There are three states when in use, and the angles between each temple 2 and the hinge structure 1 are different.

[0034] The first one is the storage state, such as Figure 4 and Figure 7 As shown: except for the limiting boss 221 on the limiting leg 22, the front end is in contact with the limiting pin B12, and the temples 2 on both sides can be brought closer and fitted in sequence;

[0035] The second type is the wearing state, such as Figure 5 and Figure 8 As shown: after rotating the rotating leg 21, the limiting boss 221 abuts against the limiting pin B12, and the user can wear it normally;

[0036] The third type is the redundant state of bending to prevent breaking, such as Figure 6 and Figure 9As shown: when opening and wearing, the user's strength and head circumference will affect the opening and bending angle of the temple 2. After the limiting boss 221 in the wearing state abuts the limiting pin B12, it can continue to open outward. The limiting boss 221 slides around the limiting pin B12, and the limiting leg 22 continues to move in the bending groove 14 until it abuts the limiting vertex 141 at the end of the bending groove 14 and then stops. This ensures that the temple 2 will not be broken due to excessive bending. The opening and closing angle can be determined according to actual conditions. Specifically, the length ratio between the rotating leg 21 and the limiting leg 22 can be adjusted, or the V-shaped angle of the V-shaped opening groove between the rotating leg 21 and the limiting leg 22 can be adjusted.

[0037] Example 2

[0038] Based on the condition that the other technical features mentioned above remain unchanged, a rectangular opening groove can also be formed between the rotating leg 21 and the limiting leg 22.

[0039] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, tasks, devices, components and / or combinations thereof.

[0040] It should be noted that the terms "first," "second," and the like in the specification and claims of this application and the accompanying drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein.

[0041] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A frame based on a redundant hinge bending angle, characterized by: The invention comprises a hinge structure (1), a temple (2), and a frame (3); one side of the hinge structure (1) is connected to the frame (3), and the other side is rotatably connected to the temple (2); a connecting pin A (11), a limiting pin B (12), a rotating groove (13), and a bending groove (14) are provided on the hinge structure (1); the rotating groove (13) corresponds to the connecting pin A (11) and is located on the inner side of the hinge structure (1); the bending groove (14) corresponds to the limiting pin B (12) and is located on the outer side of the hinge structure (1); the temple (2) comprises a rotating leg (21) and a limiting leg (22); the rotating leg (21) is rotatably fixed to the hinge structure (1) through the connecting pin A (11) and moves in the rotating groove (13); one side of the limiting leg (22) contacts the limiting pin B (12) and moves in the bending groove (14).

2. The eyeglass frame based on the redundant hinge bending angle according to claim 1, characterized in that: A limiting vertex (141) is provided at the end of the bending groove (14).

3. The frame based on the redundant hinge bending angle according to claim 1, characterized in that: A V-shaped opening groove is formed between the rotating leg (21) and the limiting leg (22).

4. The frame based on redundant hinge bending angle according to claim 1, characterized in that: A rectangular opening groove is formed between the rotating leg (21) and the limiting leg (22).

5. The frame based on the redundant hinge bending angle according to claim 1, characterized in that: A limiting boss (221) is provided in the middle of the limiting leg (22).

6. The frame based on the redundant hinge bending angle according to claim 5, characterized in that: The limiting boss (221) can be in contact with the limiting pin B (12).

7. The frame based on the redundant hinge bending angle according to claim 1, characterized in that: The end of the rotating leg (21) is in an arc shape.

8. The frame based on the redundant hinge bending angle according to claim 1, characterized in that: A cylindrical groove is provided at the connection between the rotating leg (21) and the connecting pin A (11).

9. The frame based on the redundant hinge bending angle according to claim 1, characterized in that: The top end of the limiting leg (22) is arc-shaped.

10. The eyeglass frame based on the redundant hinge bending angle according to claim 1, characterized in that: The connecting pin A (11) and the limiting pin B (12) are both cylindrical.

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