WO2009079943A1

WO2009079943A1 - A stretchable double-layer spectacle frame

Info

Publication number: WO2009079943A1
Application number: PCT/CN2008/072482
Authority: WO
Inventors: Yiling Xie
Original assignee: Yiling Xie
Priority date: 2007-12-18
Filing date: 2008-09-24
Publication date: 2009-07-02
Also published as: CN101271203A

Abstract

A stretchable double-layer spectacle frame, comprises lenses (1), a crossbeam (2) and a connecting element (3) connecting with the lenses (1), a reset spring (21) provided between the crossbeam (2) and the connecting element (3), and hooks (4) provided at the outside corners of the lenses (1). A containing cavity (22) is provided in the crossbeam (2). A stretching strip (23) and a locating block (24) are provided in the containing cavity (22). The stretching strip (23) can glide in the locating block (24) without relative rotation. The locating block (24) is fit in interferentially with a through hole (221) of the containing cavity (22). Theend of the stretching strip (23) in the containing cavity (22) is a moving end connecting with the connecting element (3) fixedly. The other end of the stretching strip (23) is a spring base (231). A spring (21) is provided between the spring base (231) and the locating block (24).

Description

Instruction manual Retractable double-layer glasses frame

Technical field

[1] The present invention relates to a glasses hanger in daily life, and more particularly to a retractable double-layer spectacle frame.

Background technique

[2] The glasses hanger is mainly used as an auxiliary part of the glasses frame. For example, walking in the sun and hanging the hanger of the dark lens on the glasses can prevent the strong sunlight from irritating the eyes and play a protective role.吋, eyeglass hangers are also widely used. Traditional eyeglass hangers, such as clip-on sunglasses, include a number of clips that are detachably mountable on myopia or farsighted sunglasses so that the wearer does not need to carry or purchase another pair. Myopia or hyperopia sunglasses, however, during the installation process, the metal medium on the clip may scratch the main lens of the glasses. Although the glasses hanger is located outside the glasses, if the glasses hanger does not fit well with the main lens, The effect of occluding the sun is not guaranteed. The same effect affects the eye's sight. The part that the eye sees is dark and part of it is white, causing rapid fatigue of the eyes. To solve these problems, the patent announcement number is CN2890973 A glasses hanger beam expansion device in which the glasses hanger beam is moved by the return spring to make the two lenses move in the opposite direction, the hanger Then open, and then the hook on the eyeglass hanger is fastened to the main frame, so that the wearer needs to use both hands to wear or remove the eyeglass hanger. If the wearer is driving the vehicle, Wearing such a glasses hanger with both hands may cause unnecessary danger and trouble, and the telescopic mechanism of such a setting is not aesthetically pleasing after being mounted on the lens, and the internal parts in the telescopic mechanism are excessive and the setting is not reasonable.

Summary of the invention

[3] In view of the deficiencies of the prior art, the present invention provides a retractable double-layer spectacle frame that does not sway, has a simple structure, is convenient to use, and has a beautiful appearance.

[4] In order to achieve the above object, the present invention provides the following technical solutions: A retractable double-layer spectacle frame comprising a lens, a beam and a connecting member connected to the lens, and a return spring disposed between the beam and the connecting member a receiving cavity is disposed in the beam, and the two mirrors respectively have hooks that can be hung on the first layer of the glasses frame, and the receiving cavity is provided with a telescopic strip and a positioning block, and the receiving cavity faces the end of the connecting member The through hole is provided, and the positioning block has an interference fit with the through hole, and the telescopic strip is sleeved and slidably matched with the positioning block, and is anti-twisted with The end of the telescopic strip passing through the through hole of the beam is a movable end, and the movable end extends to the outside of the accommodating cavity and is fixedly connected with the connecting member. The telescopic strip is provided with a spring seat at the other end of the movable end, and the return spring is sleeved at On the telescopic strip, and between the positioning block and the spring seat, a telescopic and reset fit is formed.

[5] This setting is provided with a telescopic strip and a positioning block in the accommodating cavity, and the accommodating cavity is provided with a through hole toward the end of the connecting member

The positioning block has an interference fit with the through hole, and the setting is because the positioning block plays a role in positioning therein, and the positioning block and the through hole have an interference fit to prevent the positioning block from falling off from the accommodating cavity, and the expansion and contraction strip Sliding and mating with the positioning block, and anti-twisting cooperation with the same, so as to ensure that the eyeglass hanger does not sway during use; the telescopic strip is provided with a spring seat at the other end of the movable end, The return spring is sleeved on the telescopic strip and is telescopic and reset between the positioning block and the spring seat. The arrangement is for telescopic and resetting between the beam and the connecting member; since the beam and the connecting piece are only positioned by the telescopic strip, the positioning The block and the return spring can both expand and contract between the two lenses, thus providing fewer components, a simple and reasonable structure, and reducing production costs.

[6] The present invention is further configured to: the telescopic strip is a pin, the pin is provided with at least one protrusion, and the positioning block is provided with a groove adapted to the protrusion, which is formed between the telescopic strip and the positioning block Anti-twisting fit. Of course, the anti-twisting fit can also be provided with a groove on the pin, and it is also possible to provide a protrusion on the positioning block that fits the groove; the lens is connected to the beam and the connecting member respectively, and the lens is provided on the lens. The column hole, the beam and the connecting portion of the connecting member and the lens are respectively provided with a stud which is adapted to the column hole, and the stud is in interference or riveting engagement with the column hole. The beam and the connecting member are disposed at the side edges of the two lenses, and the upper corners of the two lenses are provided with hooks. The hooks are elastic and are plastic parts, and the beam and the connecting piece are plastic.

[7] The purpose of this setting is to further demonstrate that its structure is simple and passable. The beam is placed on the side of the two lenses in order to make the overall appearance of the lens more beautiful, the hook has elasticity, so that the hook can be opened and closed, and the hook will not break after repeated use; the beam and the connection The plastic parts are used to prevent the first layer of spectacle lenses from being scratched during use. Providing the beam and the connecting member on the side edges of the two lenses makes the double-layer eye frame structure more reasonable, and the hooks on the outer corners of the two lenses are provided with hooks for the glasses which are both practical and aesthetically pleasing. The exterior will look more beautiful, and the suspension will be more reliable and easy to operate. You can use the 吋 to hang the double eye frame on the first layer of glasses with one hand.

[8] The invention will be further described below in conjunction with the drawings, and the embodiments are given. DRAWINGS

1 is an exploded perspective view of an embodiment of the present invention;

2 is a schematic view showing a state in which a beam and a connecting member are attached in an embodiment of the present invention;

₃ is a schematic view showing a state in which a beam and a connecting member are separated according to an embodiment of the present invention;

₄ is a schematic exploded view of components of a beam and a connecting member according to an embodiment of the present invention;

Figure _{5 is} a demonstration step 1 of adapting to the main frame in the embodiment of the present invention;

Figure _{6 is} a demonstration step 2 of adapting to the main frame in the embodiment of the present invention;

Figure _{7 is} a demonstration step _{3 of} adapting to the main frame in the embodiment of the present invention _;

Figure _{8 is} a demonstration step _{4 of} adapting to the main frame in the embodiment of the present invention.

detailed description

As shown in FIG. 1 , FIG. 2 , FIG. 3 and FIG. 4 , a retractable double-layer spectacle frame comprises a lens 1 , a beam 2 connected to the lens 1 and a connecting member 3 , and is disposed on the beam 2 and the connecting member 3 . The accommodating cavity 22 is provided with a accommodating cavity 22, and the accommodating cavity 22 is provided with a telescopic strip 23 and a positioning block 24, and the accommodating cavity 22 faces the end of the connecting member 3 The through hole 221 is provided, and the positioning block 24 has an interference fit with the through hole 221. In the embodiment of the present invention, the outer contour of the positioning block 24 is slightly smaller than the diameter of the through hole 221, so In order to prevent the positioning block 24 from falling out of the accommodating cavity 22, the telescopic strip 23 is sleeve-connected with the positioning block 24 and is anti-twisted with it. If the telescopic strip 23 and the positioning block 24 have no anti-twist function, wear When the wearing process uses only a small amount of force, the two lenses will twist each other, causing unnecessary trouble to the wearer. The end of the telescopic strip 23 passing through the through hole 221 of the beam 2 is the movable end, and the movable end Extending to the outside of the accommodating cavity 22 and being fixedly connected to the connecting member 3, The retracting strip 23 is provided with a spring seat 23 at the other end of the movable end, and the return spring 21 is sleeved on the telescopic strip 23, and is formed between the positioning block 24 and the spring seat 231 to form a telescopic and a reset. Hooks 4 are provided on the lenses.

In the present invention, the lens 1 is respectively connected to the beam 2 and the connecting member 3, and the lens 1 is provided with a column hole 11, and the beam 2 and the connecting portion of the connecting member 3 and the lens 1 are provided with a convex portion. Column 5, the diameter of the stud 5 is slightly larger than the diameter of the column hole 11, and the stud 5 and the column hole 11 have an interference fit. Of course, the post 5 can be welded after the post 5 is inserted into the post hole 11 It becomes riveted, so that the beam 2 and the connecting member 3 are more stably connected with the lens 1. This is also a preferred solution of the present invention. If the material of the lens is selected as a plastic material, the stud can be placed on the lens. The column holes are placed at the junction of the beam and the connector and the lens. [19] The telescopic strip 23 disposed in the accommodating cavity 22 is a pin, and the pin is provided with at least one protrusion 232. The positioning block 24 is provided with a groove 241 adapted to the protrusion 232 to form a telescopic tube. The anti-twisting fit between the strip 23 and the positioning block 24, in the present invention, the telescopic strip 23 is provided with eight protrusions 232, and the positioning block 24 is provided with eight protrusions 232 on the telescopic strip 23 The groove 241 is provided. It should be noted that the protrusion 232 on the telescopic strip 23 only needs to be matched with the groove 241 on the positioning block 24 to achieve the positioning effect, and the number of the protrusions 232 and the positioning block are set. The number of the grooves 241 provided on the 24 is not less than one, which is also the scope of protection of the patent, and the positioning block 24 is sleeved on the telescopic strip 23, and is pulled with an external force. The telescopic strip 23 is relatively slidably engaged. The other end of the telescopic strip 23 is provided with a spring seat 231 opposite to the connecting member 3, and is a base of the telescopic strip 23. The return spring 21 is sleeved on the telescopic strip 23, and the positioning block 24 is In fact, it becomes another spring seat of the return spring 21, and the return spring 21 is in the positioning block 24 and the spring The spring block 231 is telescoped and unfolded to form a telescopic or retracted body. The two lenses are provided with hooks 4, and the hooks 4 have elasticity, so that the hooks can be easily opened and closed, and the hooks are used after multiple uses. 4 is also not broken. In the present invention, at least one upper corner of the two lens sides is provided with a hook 4, and in a specific embodiment, hooks are provided on both corners of the outer sides of the two lenses. 4, this setting can ensure its stability. The hook 4 is also provided with a stud. The lens 1 is provided with a column hole at its connection. Of course, the components provided on the two objects are interchangeable, as described above. It is not mentioned here that the beam 2 and the connecting piece 3 are plastic parts which are arranged in order to prevent the first layer of spectacle lenses from being scratched during use. The movable end of the telescopic strip 23 is provided with a stud 233, and the connecting portion of the connecting member 3 and the telescopic strip 23 is provided with a screw hole 31, thereby forming a threaded fixed connection. Of course, an interference fit can also be used here. Etc., the former is preferred to the former because the former is convenient to disassemble.

[20] As shown in FIG. 5, FIG. 6, FIG. 7, and FIG. 8, first, the positioning block 24 and the telescopic member 23 are pulled apart, and then the hook 4 is buckled on the first layer of the spectacle lens, and finally the positioning block 24 is stretched and stretched. The piece 23 is fitted, and the hook 4 at the other end is engaged with the other main lens, and vice versa.

Claims

Claim

[1] 1. A retractable double-layer spectacle frame comprising a lens, a beam connected to the lens and a connecting member, a return spring disposed between the beam and the connecting member, wherein the beam is provided with a receiving cavity Each of the two mirrors is provided with a hook that can be hung on the first layer of the spectacle frame, wherein: the accommodating cavity is provided with a telescopic strip and a positioning block, and the accommodating cavity faces the end of the connecting member The portion is provided with a through hole, and the positioning block has an interference fit with the through hole, and the telescopic strip is sleeved and slidably matched with the positioning block, and is anti-twisted with the telescopic strip, and the telescopic strip passes through the through hole of the beam One end of the movable end extends to the outside of the accommodating cavity and is fixedly connected with the connecting member. The other end of the telescopic strip is provided with a spring seat at the other end of the movable end. The return spring is sleeved on the telescopic strip and is positioned. A telescopic and reset fit is formed between the block and the spring seat.

[2] 2. The retractable double-layer spectacle frame according to claim 1, wherein: the telescopic strip is a pin, and the pin is provided with at least one protrusion, and the positioning block is provided with The protrusion-fitted groove constitutes an anti-twisting fit between the telescopic strip and the positioning block.

[3] The retractable double-layer spectacle frame according to claim 1 or 2, wherein: the lens is in a snap-fit connection with the beam and the connecting member, and the lens is provided with a column hole. The beam and the connecting portion of the connecting member and the lens are respectively provided with a stud which is adapted to the column hole, and the stud is in interference or riveting engagement with the column hole.

[4] 4. The retractable double-layer spectacle frame according to claim 1 or 2, wherein: the movable end of the telescopic strip is provided with a stud, and the connection between the connecting member and the telescopic strip is provided. A screw hole, thereby forming a threaded connection.

[5] The retractable double-layer spectacle frame according to claim 1 or 2, wherein: the beam and the connecting member are disposed at the side edges of the two lenses, and the upper corners of the outer sides of the two lenses are A hook is provided, the hook is elastic, and is a plastic piece, and the beam and the connecting piece are plastic parts.

[6] 6. The retractable double-layer glasses according to claim 3, wherein: the beam and the connecting member are disposed at the side edges of the two lenses, and the upper corners of the two lenses are provided with hooks. The hook has elasticity and is a plastic piece, and the beam and the connecting piece are plastic parts.

[7] 7. The retractable double-layer glasses according to claim 4, wherein: the beam and the connecting member are disposed at the side edges of the two lenses, and the upper corners of the two lenses are provided with hooks. Hook has Elastic, and plastic parts, the beam and connecting piece are plastic parts.