CN210488156U

CN210488156U - Glasses

Info

Publication number: CN210488156U
Application number: CN201921843282.6U
Authority: CN
Inventors: 周文; 王俊锋; 刘剑; 卢爱敏
Original assignee: Zhejiang Tongda Optics Co ltd
Current assignee: Zhejiang Tongda Optics Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-05-08
Anticipated expiration: 2029-10-30

Abstract

The utility model provides an eyeshield instrument, concretely relates to technical field of glasses. The glasses comprise a glasses frame and lenses; the medial surface of mirror holder and user's laminating is equipped with the constant head tank, is equipped with the stopper in the constant head tank, and the position of lens and user's nose wing upper portion laminating is equipped with the spacing groove, and the stopper can be dismantled with the spacing groove and be connected to realize that the mirror holder can be dismantled with the lens and be connected. The problem that when the glasses are embedded in a glasses frame and used as presbyopic glasses, only one pair of glasses frames can be matched with one pair of presbyopic glasses, the old people need to replace the glasses every year, and the glasses frames need to be replaced simultaneously when the lenses are replaced is solved, so that the cost is high; the glasses are stored in the glasses box, so that the occupied area is large; when the lens is damaged, the lens frame is easily crushed. The utility model realizes the detachable connection of the spectacle frame and the lenses by utilizing the limiting blocks and the limiting grooves, and the lenses can be replaced according to the self requirements, thereby meeting the function of a pair of spectacle frames for multiple purposes; after the spectacle frame and the spectacle lenses are disassembled, the storage area of the whole spectacles is small; once the lens is damaged, the lens frame cannot be damaged.

Description

Glasses

Technical Field

The utility model belongs to the technical field of the technique of eyeshield instrument and specifically relates to a glasses convenient to dismantle, change, installation, deposit.

Background

Spectacles refer to lenses which are embedded in a frame and then worn in front of the eyes of a user to improve the vision of the user, protect the eyes, or be used for decoration. Glasses can be classified into myopia glasses, hyperopia glasses, presbyopic glasses, astigmatic glasses, plano glasses, goggles, swimming glasses, sunglasses, etc. according to the types of glasses used, and the glasses of the above types can provide various protections for the eyes of users.

In the prior art, in order to ensure the safety of use, the lenses are usually embedded in the glasses frame, so that an integrated structure is formed between the lenses and the glasses frame, and after the glasses are used, the glasses legs are folded in the glasses frame and then placed in the glasses box, so that the glasses are protected by the glasses box.

When the glasses are used as presbyopic glasses, the eyesight of the old people gradually declines every year along with the increasing age of the old people, so that the presbyopic glasses are required to be matched again every year. Due to the structure that the lens and the glasses frame are integrated, the lens cannot be detached and replaced, and the glasses frame and the lens need to be replaced together when the presbyopic glasses are replaced. Therefore, the cost for replacing the presbyopic glasses of the old is high every year, and after the presbyopic glasses are replaced for several years, the cost for matching the presbyopic glasses is high.

In addition, because the lenses are directly embedded in the glasses frame, after the whole glasses are folded, the folding area is large, and after the glasses are folded, the glasses are stored in the glasses frame, the occupied storage area is large, so that the storage mode of the glasses is inconvenient; and the lenses and the glasses frame can not be detached, so that the glasses frame is easily crushed by the lenses once the lenses are damaged, and the whole glasses are damaged.

Disclosure of Invention

The utility model aims to provide a pair of glasses to solve the problems that in the prior art, when the glasses are used as presbyopic glasses, the eyesight of the old people is reduced every year, the presbyopic glasses are required to be replaced every year, and the cost for replacing the presbyopic glasses is high due to the structure that the lenses and the glasses frame are integrated; in addition, the lenses are directly embedded in the glasses frame, and the occupied area for storing the lenses in the glasses frame is large, so that the lenses are inconvenient to store; when the lens is damaged, the lens frame is easy to crush.

The utility model provides a pair of glasses, which comprises a glasses frame and lenses;

the inner side surface of the spectacle frame, which is jointed with a user, is provided with a positioning groove, a limiting block is arranged in the positioning groove, a limiting groove is arranged at the joint position of the spectacle lens and the upper part of the nasal wing of the user,

the limiting block can be detachably connected with the limiting groove to realize that the spectacle frame is detachably connected with the spectacle lens.

Furthermore, the limiting block comprises an arc-shaped clamping block and a first clamping block;

arc joint piece can the joint at the spacing inslot, and first fixture block can the joint in the one end of spacing groove.

Further, be equipped with first dashpot between arc joint piece and the first fixture block.

Further, the first clamping block comprises a first limiting column and a first clamping platform;

the medial extremity of first spacing post is connected in the constant head tank, and first ka tai is connected to the outside end of first spacing post, and first ka tai can the joint in the one end of spacing groove.

Furthermore, the limiting block also comprises a second clamping block;

the second fixture block can be clamped at the other end of the limiting groove.

Furthermore, a second buffer groove is arranged between the arc-shaped clamping block and the second clamping block.

Further, the second fixture block comprises a second limiting column and a second fixture table;

the inboard end of the spacing post of second is connected in the constant head tank, and the outside end of the spacing post of second is connected the second ka tai, and the second ka tai can the joint at the other end of spacing groove.

Further, the position of lens and the laminating of user's nosewing upper portion is equipped with the butt piece on the upper portion of spacing groove, and the butt piece can with stopper looks butt.

Further, the glasses also comprise a first glasses leg and a second glasses leg;

the first glasses leg is connected to one end of the glasses frame, and a first anti-skid part is arranged on the inner side face, attached to the back side of the ear of a user, of the first glasses leg;

the other end at the mirror holder is connected to the second mirror leg, and the medial surface of second mirror leg and user's ear rear side laminating is equipped with second antiskid.

The utility model provides a pair of glasses, the inner side surface of the glasses frame, which is attached to the user, is provided with a positioning groove, and the positioning groove is arranged on the inner side surface which is attached to the user, thereby the external structure of the whole glasses can not be influenced; a positioning block is arranged in the positioning groove, so that the positioning groove is used for limiting the position of the positioning block; a limiting groove is arranged at the position where the lens is attached to the upper part of the nasal ala of the user, so that the position of the limiting groove does not influence the position of the lens; the limiting block can be detachably connected with the limiting groove, so that the detachable connection between the spectacle frame and the spectacle lens is realized; when the presbyopic glasses are replaced by the old, only the lenses with different luminosity need to be replaced, and the spectacle frame does not need to be replaced, so that the cost is saved; in addition, after the whole glasses are used, the limit blocks and the limit grooves are detachably connected, so that the glasses frame and the lenses can be separated, the glasses frame and the lenses are respectively stored, the occupied area is reduced, the safety is improved, and once the lenses are damaged, the lenses cannot crush the glasses frame, only the lenses need to be replaced, and the maintenance cost of the whole glasses is saved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an outer side of glasses according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of an inner side of glasses according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of the disassembled rear and outer side of the glasses according to the embodiment of the present invention.

Fig. 4 is a schematic structural view of the disassembled glasses of the present invention.

Fig. 5 is an enlarged view of a portion a in fig. 4.

Fig. 6 is a schematic structural view of one side of a frame according to an embodiment of the present invention.

Fig. 7 is an enlarged view of a portion B in fig. 6.

Fig. 8 is a schematic structural view of the other side of the frame according to an embodiment of the present invention.

Fig. 9 is an enlarged view of a portion C in fig. 8.

Fig. 10 is a schematic structural view of a lens according to an embodiment of the present invention.

Fig. 11 is an enlarged view of a portion D in fig. 10.

Icon: 100-a frame; 200-a lens; 300-a first temple arm; 400-second temple; 101-positioning grooves; 102-a stopper; 103-arc clamping blocks; 104-a first fixture block; 105-a first buffer tank; 106-a first restraint post; 107-a first cassette; 108-a second cartridge; 109-a second buffer tank; 110-a second restraint post; 111-a second chuck; 201-a limiting groove; 202-a butting block; 301-a first non-slip portion; 401-second non-slip portion.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 11, the present invention provides a pair of glasses, including a frame 100 and lenses 200;

the inner side surface of the spectacle frame 100, which is attached to a user, is provided with a positioning groove 101, a limiting block 102 is arranged in the positioning groove 101, a limiting groove 201 is arranged at the position where the spectacle lens 200 is attached to the upper part of the nasal wing of the user,

the stop block 102 can be detachably connected with the stop groove 201 to detachably connect the frame 100 with the lenses 200.

In fig. 1, the frame 100 is an arc-shaped frame, and the frame 100 is made of plastic material.

The lens 200 includes a left lens, a nose wing panel and a right lens, the left lens, the nose wing panel and the right lens are integrally formed, and the lens 200 is made of any one of glass and resin materials.

In fig. 4, a positioning groove 101 is provided on the inner side surface of the middle of the frame 100, and the positioning groove 101 is an arc-shaped groove recessed inward along the inner side surface of the frame 100.

A stopper 102 is provided in the positioning groove 101, and the stopper 102 is a protrusion protruding outward formed in the positioning groove 101.

A limiting groove 201 is arranged at the upper part of the inner side of the nose wing piece of the lens 200, and the limiting groove 201 is an arc-shaped through groove formed on the nose wing piece.

In an embodiment of the present invention, the upper protruding position of the nose wing of the lens 200 is connected to the positioning groove 101, and at this time, the stopper 102 is connected to the limiting groove 201, so that the upper end of the lens 200 is connected to the frame 100; after the use, the lens 200 can be separated from the spectacle frame 100 only by separating the limiting block 102 from the limiting groove 201, so that the lens 200 and the spectacle frame 100 can be detached; in this embodiment, the limiting block 102 is an arc-shaped protruding block, the limiting groove 201 is an arc-shaped groove, and the limiting block 102 and the limiting groove 201 are connected in a matching manner, so that the limiting block 102 and the limiting groove 201 are firmly connected, and the spectacle frame 100 and the lens 200 are ensured to be firmly connected.

The utility model discloses an in another embodiment, stopper 102 is the protruding piece of arc, and spacing groove 201 is the rectangular groove, and the protruding piece of arc is connected in the rectangular groove, and at this moment, the protruding piece of arc can take place deformation, forms the rectangular block that suits with the rectangular groove, makes stopper 102 in the width direction firm joint at spacing groove 201, ensures to be connected firmly between lens 200 and mirror holder 100.

The utility model discloses an in other embodiments, in order to ensure that stopper 102 is connected firmly in spacing groove 201, set up protruding granule at stopper 102's lateral surface, set up the recess at the medial surface of spacing groove 201, when stopper 102 connects in spacing groove 201, protruding granule can the joint in the recess, makes stopper 102's lateral surface and the position of the medial surface looks butt of spacing groove 201 firm to ensure to be connected firmly between lens 200 and mirror holder 100.

The utility model relates to a when presbyopic glasses used, many pairs of luminosity's presbyopic lenses can be joined in marriage to a pair mirror holder, increases progressively along with old person's age, can change the lens according to the demand of self to satisfy many pairs of uses of a pair mirror holder, practiced thrift the expense of changing presbyopic glasses. In addition, the spectacle frame and the lenses are detachably connected, and after the spectacle frame and the lenses are detached, the spectacle frame is placed in the spectacle case, so that occupied space is small, the spectacle frame and the lenses are separately stored, and once the lenses are damaged, the spectacle frame cannot be damaged.

Further, the limiting block 102 comprises an arc-shaped clamping block 103 and a first clamping block 104;

arc joint piece 103 can the joint at spacing inslot 201, and first fixture block 104 can the joint at the one end of spacing groove 201.

The utility model discloses an embodiment, as shown in fig. 5, arc joint piece 103 is bellied arc piece, and arc joint piece 103 sets up at the intermediate position to make arc joint piece 103 can the joint at the intermediate position of spacing groove 201, utilize arc joint piece 103 locking spacing groove 201's intermediate position.

First fixture block 104 is bellied cylindricality piece, and first fixture block 104 sets up in the left side position of arc joint piece 103, promptly: the left end of the limiting groove 201 is located so that the first clamping block 104 can be clamped at the left end of the limiting groove 201, and the first clamping block 104 is used for locking the left end of the limiting groove 201.

Further, a first buffer groove 105 is arranged between the arc-shaped clamping block 103 and the first clamping block 104.

In an embodiment of the present invention, as shown in fig. 5, the first buffer slot 105 is a gap formed between the arc-shaped clamping block 103 and the first clamping block 104; when the glasses frame is used, fingers press the middle position of the arc-shaped clamping block 103 downwards with force, at this time, the arc-shaped clamping block 103 and the first clamping block 104 deform towards the direction of the first buffer groove 105, the arc-shaped clamping block 103 and the first clamping block 104 are separated from the limiting groove 201, at this time, the lens 200 is separated from the glasses frame 100, and the detachment between the lens 200 and the glasses frame 100 is completed; this embodiment utilizes first dashpot 105 to increase the deformation power between arc joint piece 103 and the first fixture block 104, makes arc joint piece 103, first fixture block 104 be convenient for and spacing groove 201 between carry out the dismouting.

Further, the first clamping block 104 includes a first limiting column 106 and a first clamping platform 107;

the inboard end of first spacing post 106 is connected in constant head tank 101, and first ka tai 107 is connected to the outside end of first spacing post 106, and first ka tai 107 can the joint in the one end of spacing groove 201.

In an embodiment of the present invention, as shown in fig. 7, the first limiting post 106 is an arc-shaped post with a planar inner side, and the left side of the arc-shaped clamping block 103 is also a planar surface, so that the inner side of the first limiting post 106 and the left side of the arc-shaped clamping block 103 are arranged in parallel; the first clamping table 107 is a fan-shaped boss connected to the outer end of the first limit post 106, the area of the first clamping table 107 is larger than the end surface area of the outer end of the first limit post 106, and the left end of the limit groove 201 is clamped and fixed by using the position of the first clamping table 107, which is larger than the end surface area of the outer end of the first limit post 106.

Further, the stopper 102 further comprises a second stopper 108;

the second latch 108 can be clamped at the other end of the limiting groove 201.

In the present embodiment, as shown in fig. 5, the structure of the second latch 108 is the same as that of the first latch 104, except that the second latch 108 is adapted to be engaged with the right end of the limiting groove 201.

Further, a second buffer groove 109 is arranged between the arc-shaped clamping block 103 and the second clamping block 108.

In the present embodiment, as shown in fig. 5, the structure of the second buffer groove 109 is the same as that of the first buffer groove 105, and the second buffer groove 109 is a gap formed between the arc-shaped engaging block 103 and the second engaging block 108.

When the eyeglass frame is used, fingers press the middle position of the arc-shaped clamping block 103 downwards with force, at this time, the left end position of the arc-shaped clamping block 103 and the first clamping block 104 deform towards the direction of the first buffer groove 105, the right end position of the arc-shaped clamping block 103 and the second clamping block 108 deform towards the direction of the second buffer groove 109, at this time, the arc-shaped clamping block 103, the first clamping block 104 and the second clamping block 108 are separated from the limiting groove 201, the lens 200 is separated from the eyeglass frame 100, and the detachment between the lens 200 and the eyeglass frame 100 is completed; this embodiment utilizes first cushion groove 105 to increase the deformation power between arc joint piece 103 and the first fixture block 104, utilizes second cushion groove 109 to increase the deformation power between arc joint piece 103 and the second fixture block 108, makes arc joint piece 103, first fixture block 104, second fixture block 108 be convenient for and spacing groove 201 between carry out the dismouting.

Further, the second latch 108 includes a second limiting column 110 and a second latch platform 111;

the inboard end of second spacing post 110 is connected in constant head tank 101, and the outside end of second spacing post 110 is connected second ka tai 111, and second ka tai 111 can the joint at the other end of spacing groove 201.

In an embodiment of the present invention, as shown in fig. 9, the structure of the second position-limiting column 110 is the same as the structure of the first position-limiting column 106, and the structure of the second clamping platform 111 is the same as the structure of the first clamping platform 107.

The second limiting column 110 is an arc-shaped column with a plane inner side surface, and the right side surface of the arc-shaped clamping block 103 is also a plane, so that the inner side surface of the second limiting column 110 is parallel to the right side surface of the arc-shaped clamping block 103; the second clamping platform 111 is a fan-shaped boss connected to the outer side end of the second limiting column 110, the area of the second clamping platform 111 is larger than the end surface area of the outer side end of the second limiting column 110, and the left end of the limiting groove 201 is clamped and fixed by the position, where the second clamping platform 111 is larger than the end surface area of the outer side end of the second limiting column 110.

Further, at a position where the lens 200 is attached to the upper portion of the nasal ala of the user, an abutting piece 202 is provided on the upper portion of the stopper groove 201, and the abutting piece 202 can abut against the stopper 102.

In an embodiment of the present invention, as shown in fig. 11, on the inner side surface of the lens 200, a abutting block 202 is disposed at an upper position of the limiting groove 201, and the abutting block 202 is an arc-shaped block with an outward convex middle position.

The length of butt joint piece 202 is the same with the length of spacing groove 201, and the thickness of butt joint piece 202 is the same with the thickness of arc joint piece 103 to make arc joint piece 103 connect in spacing groove 201, utilize the lower terminal surface of butt joint piece 202 and the up end looks butt of arc joint piece 103, it is fixed to carry out the butt to the up end of arc joint piece 103.

Further, a first temple 300 and a second temple 400 are included;

a first glasses leg 300 is connected to one end of the glasses frame 100, and a first anti-slip part 301 is arranged on the inner side surface of the first glasses leg 300, which is attached to the rear side of the ear of a user;

second temple 400 is connected to the other end of frame 100, and second anti-slip portion 401 is provided on the inner surface of second temple 400 that is attached to the rear side of the user's ear.

In an embodiment of the present invention, the inner side end of the first temple 300 is connected to the right end of the frame 100 by screws, so that the first temple 300 is used as a right temple, the first anti-slip part 301 is disposed on the inner side surface of the outer side end of the first temple 300, and the first anti-slip part 301 is used to increase the friction force between the first temple 300 and the back side of the right ear of the user; similarly, the inner end of the second temple 400 is screwed to the left end of the frame 100, so that the second temple 400 is used as a left temple, the inner side of the outer end of the second temple 400 is provided with a second anti-slip part 401, and the second anti-slip part 401 is used to increase the friction force between the second temple 400 and the back side of the left ear of the user; by using the friction force of the first anti-slip part 301 and the second anti-slip part 401, when a user wears the glasses, the glasses can be stably worn and cannot fall off. The problem of among the prior art, the direct joint of mirror leg is in user's ear rear side position, and easy landing causes the glasses to damage is solved.

In the embodiment of the present invention, the first antiskid portion 301 and the second antiskid portion 401 have the same structure.

The specific embodiment is as follows: first antiskid portion 301 is at the outside of first mirror leg 300 end medial surface setting, the outside bellied granule of a plurality of equipartitions, and a plurality of protruding granules not only can play the frictional force that increases between first mirror leg 300 and the user's the right ear rear side, can also play the effect of massage.

In other embodiments, the first anti-slip part 301 may also be a plurality of uniformly distributed arc-shaped raised lines or a plurality of uniformly distributed vertical raised lines arranged on the inner side surface of the outer end of the first temple 300.

The utility model provides a pair of glasses, wherein a limiting block is arranged in a positioning groove to limit the connecting position of the limiting block; the arc-shaped clamping block is connected to the middle position of the limiting groove, the middle position of the limiting groove is locked by the deformation of the arc-shaped clamping block, the two end positions of the limiting groove are clamped by the first clamping block and the second clamping block respectively, the deformation between the first clamping block and the arc-shaped clamping block is buffered by the first buffer groove, the deformation between the second clamping block and the arc-shaped clamping block is buffered by the second buffer groove, and the first clamping block, the arc-shaped clamping block and the second clamping block can be firmly connected in the limiting groove, so that the lens and the lens frame can be conveniently disassembled; when the glasses are used as presbyopic glasses, one pair of glasses frames can be matched with presbyopic lenses with multiple luminosity, and the lenses can be replaced according to the self requirements along with the increasing age of the old, so that the multiple purposes of one pair of glasses frames are met; the spectacle frame and the lenses are detachably connected and stored separately, so that the spectacle frame cannot be damaged once the lenses are damaged, and the lenses are convenient to replace; all set up anti-skidding portion at the outside end medial surface of two mirror legs, the joint that makes the outside end of two mirror legs can be firm is in user's ear rear side, avoids glasses to drop, protects whole glasses.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An eyeglass comprising a frame (100) and a lens (200);

a positioning groove (101) is arranged on the inner side surface of the spectacle frame (100) which is attached to a user, a limiting block (102) is arranged in the positioning groove (101), a limiting groove (201) is arranged at the position where the spectacle lens (200) is attached to the upper part of the nasal ala of the user,

the limiting block (102) can be detachably connected with the limiting groove (201) so as to realize that the spectacle frame (100) is detachably connected with the lens (200).

2. The eyeglasses according to claim 1, wherein the limiting block (102) comprises an arc-shaped clamping block (103) and a first clamping block (104);

arc joint piece (103) can the joint be in spacing groove (201), first fixture block (104) can the joint be in the one end of spacing groove (201).

3. The eyeglasses according to claim 2, wherein a first buffer groove (105) is arranged between the arc-shaped clamping block (103) and the first clamping block (104).

4. The eyeglasses according to claim 2, wherein the first latch (104) comprises a first restraint post (106) and a first catch (107);

the medial extremity of first spacing post (106) is connected in constant head tank (101), the outside end of first spacing post (106) is connected first ka tai (107), first ka tai (107) can the joint be in the one end of spacing groove (201).

5. The eyeglasses according to claim 2, wherein said stop block (102) further comprises a second detent (108);

the second fixture block (108) can be clamped at the other end of the limiting groove (201).

6. The eyeglasses according to claim 5, wherein a second buffer groove (109) is arranged between the arc-shaped clamping block (103) and the second clamping block (108).

7. The eyeglasses according to claim 6, wherein the second latch (108) comprises a second restraint post (110) and a second latch (111);

the medial extremity of the second spacing column (110) is connected in the positioning groove (101), the lateral extremity of the second spacing column (110) is connected with the second clamping table (111), and the second clamping table (111) can be clamped at the other end of the spacing groove (201).

8. The eyeglasses according to claim 1, characterized in that, at the position where the lens (200) is attached to the upper portion of the nose wing of the user, an abutting block (202) is provided on the upper portion of the limiting groove (201), and the abutting block (202) can abut against the limiting block (102).

9. The eyeglasses according to claim 1, further comprising a first temple (300) and a second temple (400);

the first glasses leg (300) is connected to one end of the glasses frame (100), and a first anti-skid part (301) is arranged on the inner side face, attached to the back side of the ear of a user, of the first glasses leg (300);

second mirror leg (400) are connected the other end of mirror holder (100), the medial surface that second mirror leg (400) and user's ear rear side laminating is equipped with second antiskid portion (401).