Device for automatically and adaptively adjusting span of glasses legs

Abstract

The utility model provides a device for automatically and adaptively adjusting the span of spectacle legs of spectacles, which belongs to the technical field of spectacles and comprises a base, a connecting rod and a connecting rod, a front frame and a rear frame; the copper tooth column is fixedly connected to the inner wall of one side of the front mirror frame; the screw is in threaded connection with the interior of the copper tooth column; the fulcrum is positioned on one side of the front glasses frame; the pin is arranged on the circumferential surface of the screw in a sleeving manner; the glasses legs are rotationally connected to the circumferential surfaces of the pins; by means of the device, the span of the glasses legs is allowed to be automatically adjusted according to the face sizes of wearers, it is ensured that users with different head shapes and face shapes can obtain the best wearing experience, and the problems that traditional fixed-span glasses legs cannot meet the individual requirements of all the users, wearing is uncomfortable or glasses are prone to slipping off are solved. And a user can realize natural fitting without manual adjustment, so that the wearing comfort and stability are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to glasses technical field, concretely relates to a device that automatically adapts to adjust glasses leg span. BACKGROUND

[0002] At present, along with the rapid development of electronic products, the user group is also more extensive, especially the youth student group, under the condition of no supervision, long time uses eyes to each type electronic display product (such as mobile phone, tablet computer etc.), myopia rate is always high, in order to the eye health of youth generation, satisfy the demand of market to eye protection product, intelligent security glasses emerge as the times require.

[0003] Whether it is conventional glasses or multifunctional intelligent glasses, it includes two structures of frame and leg, and there is a connecting piece between the frame and the leg, which is a hinge. The span between the two legs of the conventional hinge is fixed and can only be opened and folded, and cannot meet the face shape of the use population with different sizes. Even if multifunctional intelligent glasses are produced in several different specifications, they still cannot match all users. INVENTION CONTENTS

[0004] The utility model aims at providing a device that automatically adapts to adjust glasses leg span, aiming at solving the problem that whether it is conventional glasses or multifunctional intelligent glasses in the prior art, it includes two structures of frame and leg, and there is a connecting piece between the frame and the leg, which is a hinge. The span between the two legs of the conventional hinge is fixed and can only be opened and folded, and cannot meet the face shape of the use population with different sizes. Even if multifunctional intelligent glasses are produced in several different specifications, they still cannot match all users.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A device that automatically adapts to adjust glasses leg span, comprising:

[0007] Front frame and rear frame;

[0008] Copper tooth column, the copper tooth column is fixedly connected to the inner wall of one side of front frame;

[0009] Screw, the screw is screwed in the copper tooth column;

[0010] Support point, the support point is located at one side of front frame;

[0011] Pin, the pin is sleeved on the circumferential surface of screw;

[0012] Leg, the leg is rotatably connected to the circumferential surface of pin;

[0013] Pin hole, the pin hole is set up in the leg, and the pin is rotatably connected in the pin hole;

[0014] A compression spring is sleeved on the circumferential surface of the screw;

[0015] A stroke limiting hole low position and a stroke limiting hole high position are located on the opposite sides of the pin;

[0016] A screw hole is formed on one side of the pin, and the screw is inserted into the pin;

[0017] A screw head is fixedly connected to one end of the screw, and the compression spring is attached to one end of the screw head.

[0018] As a preferred scheme of the utility model, the side of the temple is threadedly connected with a baffle through a bolt.

[0019] As a preferred scheme of the utility model, the side end of the temple is fixedly connected with a rubber block.

[0020] As a preferred scheme of the utility model, a sealing washer is arranged between the copper tooth column and the front mirror frame.

[0021] As a preferred scheme of the utility model, the surface of the rubber block is provided with a Z-shaped pattern.

[0022] As a preferred scheme of the utility model, the surfaces of the pin and the pin hole are provided with a wear-resistant coating.

[0023] Compared with the prior art, the utility model has the beneficial effects that:

[0024] 1、In the scheme, one end of the compression spring of the device abuts against the pin, and the other end of the compression spring abuts against the screw head, the screw head is fixed and cannot move, the compression spring is compressed under stress, thus an opposite thrust force is generated to push the pin, the opposite thrust force is rebounded inward through the temple connected with the pin, the temple is allowed to automatically adjust the span according to the face size of the wearer, and it is ensured that users with different head shapes and face shapes can obtain the best wearing experience.

[0025] 2、In the scheme, the rebound force provided by the compression spring is utilized to maintain the proper tension of the temple, the glasses are prevented from accidentally falling in daily activities, and the safety in use is improved, in addition, the design of the stroke limiting hole low position and the stroke limiting hole high position effectively avoids that the temple is excessively opened or closed, the internal structure is protected from being damaged, and the service life of the product is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0026] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0027] Figure 1 It is a front perspective view of the present application;

[0028] Figure 2 It is a sectional view of the present application;

[0029] Figure 3 It is a front perspective view of the present application Figure 2

[0030] Figure 4 It is an exploded view of the present application.

[0031] In the drawing: 1, front mirror frame; 2, rear mirror frame; 3, copper tooth column; 4, screw; 5, fulcrum; 6, pin; 7, pin hole; 8, compression spring; 9, glasses leg; 10, stroke limiting hole low position; 11, stroke limiting hole high position; 12, screw hole; 13, screw head; 14, baffle; 15, rubber block. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] Embodiment 1

[0034] Please refer to Figures 1-4 , the present application provides the following technical solutions:

[0035] An automatic adaptation adjusting glasses leg span device, comprising:

[0036] The front mirror frame 1 and the rear mirror frame 2;

[0037] The copper tooth column 3 is fixedly connected to the inner wall of one side of the front mirror frame 1;

[0038] The screw 4 is threadedly connected in the copper tooth column 3;

[0039] The fulcrum 5 is located on one side of the front mirror frame 1;

[0040] The pin 6 is sleeved on the circumferential surface of the screw 4;

[0041] ​Temple 9, the temple 9 is rotatably connected to the circumferential surface of the pin 6;

[0042] Pin hole 7, the pin hole 7 is opened in the temple 9, the pin 6 is rotatably connected in the pin hole 7;

[0043] Compression spring 8, the compression spring 8 is sleeved on the circumferential surface of the screw 4;

[0044] Stroke limiting hole low 10 and stroke limiting hole high 11, the stroke limiting hole low 10 and the stroke limiting hole high 11 are located on the opposite side of the lower side of the pin 6;

[0045] Screw hole 12, the screw hole 12 is opened in one side of the pin 6, and the screw 4 is inserted into the pin 6;

[0046] Screw head 13, the screw head 13 is fixedly connected to one side end of the screw 4, and the compression spring 8 is attached to one side end of the screw head 13.

[0047] In the specific embodiment of the utility model, copper tooth column 3, screw 4, fulcrum 5, pin 6, temple 9, pin hole 7, compression spring 8, stroke limiting hole low 10, stroke limiting hole high 11, screw hole 12 and screw head 13 are provided with two, front mirror frame 1 and rear mirror frame 2 are connected by the design of the clamping type, there is space inside to install other components, front mirror frame 1 is used to install the lens, and rear mirror frame 2 is the part connected with temple 9, both ensure the stability of the whole glasses and the comfort of wearing, copper tooth column 3, as the basis of the connection of screw 4, it provides a connection point, is used to assemble other components such as compression spring 8 and pin 6 together, and ensures that these components can normally work, screw 4 is connected into copper tooth column 3 through thread, passes through compression spring 8 and pin 6 simultaneously, plays the role of fastening and connection, maintains the positional relationship of all relevant parts, fulcrum 5 is the fulcrum 5 that temple 9 turns outward, pin 6 and pin hole 7, pin 6 is installed in the pin hole 7 of temple 9, allows temple 9 to rotate around pin 6, so as to realize the adjustment of the span of temple 9, pin 6 can move in the stroke limiting hole to adapt to different span requirements, compression spring 8, the compression spring 8 is sleeved around screw 4, one end presses against pin 6, the other end presses against screw head 13, when temple 9 is pulled apart, compression spring 8 will be compressed, generates a reverse elastic force to make temple 9 return to the original position or keep at a new appropriate span, increases the fit and stability when wearing, stroke limiting hole low 10 and stroke limiting hole high 11, these two limiting holes define the maximum range of the movable pin 6, prevent temple 9 from being excessively opened or closed, ensure the safety and functionality of the device, screw hole 12 and screw head 13, screw hole 12 provides a space for screw 4 to be inserted, and screw head 13 limits the position of compression spring 8, ensures that it can correctly exert the elastic force.

[0048] Specific please refer to Figures 1-4The side of the glasses leg 9 is provided with a baffle 14 through bolt thread connection.

[0049] In this embodiment: the baffle 14 is provided with two, for preventing the external dust and stains into the device inside.

[0050] For details, please refer to Figures 1-4 The side end of the glasses leg 9 is fixedly connected with a rubber block 15.

[0051] In this embodiment: the rubber block 15 is provided with two, the rubber block 15 fixed at one end of the glasses leg 9 increases the friction force when wearing, reduces the possibility of sliding, improves the comfort of wearing.

[0052] For details, please refer to Figures 1-4 The copper tooth column 3 and the front mirror frame 1 are provided with a sealing washer.

[0053] In this embodiment: the sealing washer is arranged between the copper tooth column 3 and the front mirror frame 1, and plays a sealing role to prevent external dust from entering the internal structure and affecting the performance.

[0054] For details, please refer to Figures 1-4 The surface of the rubber block 15 is provided with a Z-shaped pattern.

[0055] In this embodiment: the surface of the rubber block 15 is provided with a Z-shaped pattern, and the purpose is to increase the friction force and further improve the stability of wearing.

[0056] For details, please refer to Figures 1-4 The surface of the pin 6 and the pin hole 7 is provided with a wear-resistant coating.

[0057] In this embodiment: the wear-resistant coating is applied to the surface of the pin 6 and the pin hole 7 to prolong the service life of the assembly and reduce wear.

[0058] The working principle and use process of the utility model: when the glasses leg 9 is opened to the normal span which is not wide enough, only the span can be increased, at this time, only a little force is needed to turn outward, since the glasses leg 9 in the current state is supported on the fulcrum 5 of the glasses leg 9 turning outward, the pin 6 can only move between the two limit positions of the stroke limit hole low position 10 and the stroke limit hole high position 11 of the rear mirror frame 2, when the pin 6 leaves the stroke limit hole low position 10 of the rear mirror frame 2, one end of the compression spring 8 is against the pin 6, and the other end of the compression spring 8 is against the screw head 13 which is fixed and cannot move, the compression spring 8 is compressed under stress, so that a counter thrust is generated to push the pin 6, the counter thrust is connected with the glasses leg 9 through the pin 6 and rebounds inward, so that different spans can be achieved to meet different users, and the glasses of the user will not be loose and fall off when worn.

[0059] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A device for automatically adjusting the span of eyeglass temples, characterized in that, Include: Front mirror frame (1) and rear mirror frame (2); Copper tooth column (3), the copper tooth column (3) is fixedly connected to the inner wall of one side of front mirror frame (1); Screw (4), the screw (4) is threadedly connected in the copper tooth column (3); Support point (5), the support point (5) is located in one side of front mirror frame (1); Pin (6), the pin (6) is sleeved on the circumferential surface of screw (4); Temple (9), the temple (9) is rotatably connected to the circumferential surface of pin (6); Pin hole (7), the pin hole (7) is opened in the temple (9), and the pin (6) is rotatably connected in the pin hole (7); Compression spring (8), the compression spring (8) is sleeved on the circumferential surface of screw (4); Stroke limiting hole low (10) and stroke limiting hole high (11), the stroke limiting hole low (10) and stroke limiting hole high (11) are located in the opposite side of pin (6) downside; Screw hole (12), the screw hole (12) is opened in one side of pin (6), and the pin (6) is inserted with screw (4); Screw head (13), the screw head (13) is fixedly connected to one side end of screw (4), and the compression spring (8) is attached to one side end of screw head (13).

2. A device for automatically adjusting the span of eyeglasses temples according to claim 1, characterized in that: One side of the temple (9) is threadedly connected with the baffle (14) by the bolt.

3. A device for automatically adjusting eyeglass temple span, according to claim 2, wherein: One side end of the temple (9) is fixedly connected with the rubber block (15).

4. A device for automatically adjusting the span of eyeglasses temples according to claim 3, characterized in that: The copper tooth column (3) and front mirror frame (1) are provided with sealing washer.

5. A device for automatically adjusting eyeglass temple span, according to claim 4, wherein: The surface of the rubber block (15) is provided with Z-shaped lines.

6. A device for automatically adjusting eyeglass temple span, according to claim 5, wherein: The surface of the pin (6) and pin hole (7) is provided with wear-resistant coating.

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