CN212971734U

CN212971734U - Anti-skid protective cover and knee pad with same

Info

Publication number: CN212971734U
Application number: CN202021092230.2U
Authority: CN
Inventors: 吴建飞
Original assignee: Hangzhou Defang Tool Co ltd
Current assignee: Hangzhou Defang Tool Co ltd
Priority date: 2020-06-13
Filing date: 2020-06-13
Publication date: 2021-04-16
Anticipated expiration: 2030-06-13

Abstract

The utility model relates to an antiskid visor and have knee-pad of this visor is inboard with one side of human knee laminating, and relative opposite side is the outside, including buffering portion, buffering portion includes flexible glue film, and the holding hole with human knee structure and position matched with is seted up to the inboard of glue film, and the hole of shelving that is used for shelving human shank is seted up to one side of glue film, and the one end that the hole was shelved to the glue film is seted up for the lower part of knee-pad, and the relative other end is the upper portion of knee-pad, its characterized in that: the leg buffer device is characterized by further comprising a connecting part used for being connected with the leg of a user, and a protective cover is fixedly connected to one side, far away from the accommodating hole, of the buffer part. The utility model discloses have the good effect of wearability.

Description

Anti-skid protective cover and knee pad with same

Technical Field

The utility model belongs to the technical field of human protection technique and specifically relates to a knee-pad that anti-skidding visor and have this visor is related to.

Background

Kneepads refer to products used to protect the knee.

The knee is an important part of the movement and is also a fragile and vulnerable part. Kneepads can reduce knee injuries to some extent.

In the building engineering, because of the height limitation of a construction surface, a user needs to lay and paste floor tiles and paint a wall surface in a kneeling position, and the knee pad can protect the knees of the user from being abraded. However, the knee pad is made of fabric, so that the knee pad has low wear resistance and cannot meet the operation requirements of users aiming at the special requirements of users in constructional engineering.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, one of the purposes of the utility model is to provide an antiskid visor and have knee-pad of this visor, have the effect of stand wear and tear.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides an antiskid visor and have knee-pad of this visor, the one side of laminating with human knee is the inboard, and relative opposite side is the outside, including buffering portion, buffering portion includes flexible glue film, and the holding hole with human knee structure and position matched with is seted up to the inboard of glue film, and the hole of shelving that is used for shelving human shank is offered to one side of glue film, and the one end that the hole was seted up to the glue film is the lower part of knee-pad, and the relative other end is the upper portion of knee-pad, its characterized in that: the leg buffer device is characterized by further comprising a connecting part used for being connected with the leg of a user, and a protective cover is fixedly connected to one side, far away from the accommodating hole, of the buffer part.

In the technical scheme, when the novel clothes are worn, the connecting parts are bound on the legs of a user. When the user is in a kneeling position, the knees of the user are abutted to the containing holes and the upper parts of the shanks are abutted to the placing holes, and the buffer parts play a role in damping and buffering to protect the knees of the user. The protective cover on the buffering part is contacted and propped against the ground instead of the buffering part, thereby improving the wear resistance of the kneepad.

The present invention may be further configured in a preferred embodiment as: buffer portion still includes the articulamentum in the laminating glue film outside, the glue film is kept away from one side of holding the hole and is curved protruding setting, the articulamentum is the stereoplasm cloth layer, the visor is connected with the articulamentum.

In above-mentioned technical scheme, the arc arch sets up to increase the thickness of user's knee and shank butt department glue film, improve user's comfort level. And set up the articulamentum of stereoplasm cloth layer structure between glue film and visor, compare in directly connecting the visor on flexible glue film, the articulamentum has better resistance to deformation to reduce because the glue film warp the stress concentration to buffer layer and visor hookup location, thereby improve the connection performance between buffer layer and the visor.

The present invention may be further configured in a preferred embodiment as: connecting portion include ribbon, bandage and be used for connecting the magic subsides of ribbon and bandage, ribbon and bandage fixed connection respectively on the articulamentum and be located the both sides of holding the hole respectively, ribbon and bandage are the flexible banding of elasticity.

In above-mentioned technical scheme, adopt magic strip to connect ribbon and bandage, convenient to use person connects and dismantles ribbon and bandage. And the ribbon and the bandage which are in the shape of the elastic flexible band can be elastically deformed when the legs of the user move, so that the restraint on the actions of the user is reduced.

The present invention may be further configured in a preferred embodiment as: the magic tape comprises a hair surface layer fixedly connected to the binding belt and a hook surface layer fixedly connected to the binding belt, the hair surface layer and the hook surface layer are arranged in a matched mode, the hair surface layer is rectangular and strip-shaped, one end in the length direction is located on the binding belt, and the other opposite end is arranged in a cantilever mode; the one end back that the hair side layer was encorbelmented is provided with the stretching strap, and the both ends fixed connection of stretching strap is between hair side layer and bandage and be cyclic annular setting, the back of stretching strap one side laminating hair side layer and with fixed connection.

In the technical scheme, the two ends of the drawstring are connected with the wool surface layer and the binding machine in a sewing way, so that a ring shape is formed. When the hair side layer and the hook side layer need to be separated again, a user can stretch a hand into the inner side of the annular pull belt, so that the user can conveniently apply force to pull and separate the hair side layer on the binding belt from the hook side layer on the binding belt.

The second purpose of the utility model is to provide an antiskid visor.

The second purpose of the utility model is realized by the following technical scheme: an antiskid protective cover is connected to a connecting layer through a machine seam and comprises a shell and a wear plate, wherein a mounting plane is arranged on one side, far away from the connecting layer, of the shell; the wearing plate is fixedly connected to the mounting plane, one side, far away from the mounting plane, of the wearing plate is a wearing plane, a plurality of anti-skidding lines which are parallel to each other and are arranged at intervals are arranged on the wearing plane, and the anti-skidding lines are perpendicular to the length direction of the shank of the human body.

In the above technical solution, the wear plate located on the housing mounting plane may be made of a wear-resistant rubber material. The wear flat of wear plate will rub with ground butt, and the anti-skidding line on the wear flat can improve the roughness of wear plate to improve the stability ability of wear plate on ground.

The present invention may be further configured in a preferred embodiment as: the wearing plate is provided with three Y-shaped lightening grooves which are connected end to end, the lightening grooves are arranged along the thickness direction of the wearing plate, the lightening grooves divide the wearing plate into a plurality of wearing blocks, and the lightening grooves and the wearing blocks are symmetrically arranged along the middle part of the width direction of the shank of a human body.

In the technical scheme, the three weight reducing grooves can improve the roughness of the wear plate, the weight reducing grooves and the wear blocks which are symmetrically arranged can improve the balance of friction force generated by the two sides of the wear plate under pressure, and the probability of the wear plate sliding due to unbalanced stress is reduced.

The present invention may be further configured in a preferred embodiment as: the weight reduction grooves are arranged in a through mode along the thickness direction of the abrasion plate, Y-shaped abrasion strips are fixedly connected to the weight reduction grooves, one ends of the three groups of abrasion strips are fixedly connected, and gaps exist between the abrasion strips and the abrasion blocks; one side of the wear strip, which is far away from the mounting plane, is flush with the wear plane.

In the technical scheme, the wear strips can further improve the roughness of the wear plate, participate in the friction between the wear block and the ground, share part of the force borne by the wear assembly, reduce the friction loss between the wear assembly and the ground, and prolong the service life of the wear assembly, so that the service life of the kneepad is prolonged.

The present invention may be further configured in a preferred embodiment as: each abrasion block is provided with a through separation groove along the thickness direction of the abrasion block, and the separation groove divides the abrasion block into a plurality of abrasion small blocks.

In the technical scheme, the separating grooves among the small abrasion blocks can improve the roughness of the abrasion surface.

The present invention may be further configured in a preferred embodiment as: an air groove matched with the shape of a knee of a human body is formed in one side, away from the mounting plane, of the shell, a plurality of transverse ribs and vertical ribs are fixedly connected in the air groove, the transverse ribs are perpendicular to the length direction of a shank of the human body, the vertical ribs are perpendicular to the transverse ribs, and one sides, away from the mounting plane, of the transverse ribs and the vertical ribs are attached to the connecting layer and are arranged in an arc shape; the transverse ribs and the vertical ribs divide the air grooves into a plurality of ventilation grooves.

In the technical scheme, the air groove can reduce the mass of the shell, so that a user can conveniently move when wearing the kneepad. When the user is in kneeling position, the lower legs and knees of the user press the buffer part, and air dissipated when the buffer part is pressed can move to the ventilation groove formed by the staggered separation air grooves of the transverse ribs and the vertical ribs. And the ventilation groove is also provided with a function of air exchange when the user uses the kneepad, thus reducing sultriness and improving comfort. The transverse ribs and the vertical ribs also distribute the load borne by the protective cover, so that the deformation resistance of the protective cover is improved when the protective cover is pressed, and the stability of the protective cover is improved.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the user wears the clothes, the connecting parts are tied on the legs of the user. When the user is in a kneeling position, the knees of the user are abutted to the containing holes and the upper parts of the shanks are abutted to the placing holes, and the buffer parts play a role in damping and buffering to protect the knees of the user. The protective cover on the buffering part is contacted and pressed against the ground to replace the buffering part to be pressed against the ground, so that the wear resistance of the kneepad is improved;

2. the wear plate is positioned on the mounting plane of the shell, the wear plane of the wear plate is abutted and rubbed with the ground, and the anti-skid lines on the wear plane can improve the roughness of the wear plate, so that the stability of the wear plate on the ground is improved;

3. the air groove can reduce the mass of the shell, so that a user can conveniently move when wearing the kneepad. When the user is in kneeling position, the lower legs and knees of the user press the buffer part, and air dissipated when the buffer part is pressed can move to the ventilation groove formed by the staggered separation air grooves of the transverse ribs and the vertical ribs. And the ventilation groove is also provided with a function of air exchange when the user uses the kneepad, thus reducing sultriness and improving comfort. The transverse ribs and the vertical ribs also distribute the load borne by the protective cover, so that the deformation resistance of the protective cover is improved when the protective cover is pressed, and the stability of the protective cover is improved.

Drawings

Fig. 1 is a schematic structural view of the outer side of the kneepad with a protective cover of the present invention;

FIG. 2 is a schematic view of the inner side structure of the present invention;

fig. 3 is a schematic structural view of the outer side of the kneepad with the protective cover removed;

fig. 4 is a schematic structural diagram of the outer side of the protective cover of the present invention;

FIG. 5 is an enlarged schematic view of the structure at A in FIG. 4;

fig. 6 is a schematic view of the structure of the protective cover ventilation slot of the present invention.

In the figure, 1, a buffer portion; 2. a glue layer; 3. a housing hole; 4. a resting hole; 5. a protective cover; 6. a connecting layer; 7. binding a belt; 8. binding bands; 9. a rough surface layer; 10. a surface layer is hooked; 11. a connecting wire; 12. pulling the belt; 13. a housing; 14. a wear plate; 15. a mounting plane; 16. a wear strip; 17. a separation tank; 18. small abrasion blocks; 19. anti-skid lines; 20. an air tank; 21. a cross rib; 22. a vertical rib; 23. a ventilation groove; 24. and a weight reduction groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the embodiment of the application, an anti-slip protective cover and a knee pad with the protective cover are disclosed, one side of the protective cover, which is attached to a knee of a human body, is an inner side, and the other opposite side is an outer side, the protective cover comprises a buffering part 1, the buffering part 1 comprises a flexible adhesive layer 2, a containing hole 3 matched with the knee structure and position of the human body is formed in the inner side of the adhesive layer 2, a containing hole 4 used for containing a leg of the human body is formed in one side of the adhesive layer 2, one end, provided with the containing hole 4, of the adhesive layer 2 is a lower part of the knee pad, the other opposite end is an upper part of the knee pad, the protective cover further comprises a connecting part used for being connected with the leg of a user, a protective cover 5 used for protecting.

When the user wears the garment, the connecting part is tied on the leg of the user. When the user is in kneeling position, the knees of the user are abutted against the containing holes 3, the upper parts of the shanks are abutted against the placing holes 4, and the glue layer 2 of the buffer part 1 plays a role in shock absorption and buffering to protect the knees of the user. The protective cover 5 on the buffer part 1 is contacted and pressed against the ground instead of the buffer part 1 rubbing against the ground, thereby improving the wear resistance of the kneepad.

Referring to fig. 2 and 3, the inner side of the adhesive layer 2 is provided with a containing hole 3 and a placing hole 4, and the outer side of the adhesive layer 2 is an arc-shaped protrusion matched with the shape of a knee of a human body, so that the thickness of the adhesive layer 2 of the knee and the shank of a user is increased, and the comfort level of the user is improved.

The buffer part 1 further comprises a connecting layer 6 with a hard cloth layer structure, the connecting layer 6 is attached to the outer side of the adhesive layer 2, and the protective cover 5 is connected to the outer side of the connecting layer 6. The hard connecting layer 6 can improve the connection performance between the protective cover 5 and the cushioning portion 1, reduce the deformation of the cushioning portion 1, and reduce the concentrated stress acting on the line of the machine seam between the cushioning portion 1 and the protective cover 5.

The connecting portion includes a band 7, a strap 8, and a hook and loop fastener for connecting the band 7 and the strap 8.

The bandage 7 and the bandage 8 are fixedly connected to the connecting layer 6 and are respectively positioned on two sides of the accommodating hole 3, and the bandage 7 and the bandage 8 are elastic flexible strips. When a user wears the kneepad or wears the kneepad for sports, the bandage 7 and the bandage 8 can elastically deform, so that the kneepad or the leg can conveniently wear the kneepad, and the limitation of the kneepad on the leg of the user is reduced.

The magic tape comprises a hair side layer 9 fixedly connected to the bandage 8 and a hook side layer 10 fixedly connected to the bandage 7.

The wool top layer 9 is in a rectangular belt shape, one end of the wool top layer in the length direction is positioned on the binding band 8, and the other opposite end of the wool top layer is arranged in a cantilever mode. One side surface of the wool surface layer 9 is provided with fiber wool, the side surface provided with the fiber wool is the front surface of the wool surface layer 9, and the other opposite side surface is the back surface. The back of one end of the length direction of the wool surface layer 9 is connected on one side surface of the binding band 8 through a machine seam, and the other end is arranged in a cantilever way.

An additional line for reinforcing the connection of the woolen surface layer 9 and the binding belt 8 is arranged at the machine seam at the end of the woolen surface layer 9 connected with the binding belt 8.

The back of the overhanging end of the wool surface layer 9 is connected with a drawstring 12, the two ends of the drawstring 12 extend into the space between the wool surface layer 9 and the bandage 8 and are connected together by a machine seam, and the part outside the bandage 8 and the wool surface layer 9 is arranged in a ring shape. The drawstring 12 is attached to the back of the wool surface layer 9 along the length direction of the overhanging part of the wool surface layer 9 in full length and is connected with the wool surface layer 9 in a machine sewing way.

When wearing the knee-pad on user's shank, bandage 8, ribbon 7 and the 3 inner walls in holding hole encircle and are cyclic annular and laminate user's knee and shank, and the front of wool top layer 9 bonds with the laminating of colluding surface course 10 on the ribbon 7, and stretching strap 12 is located the back of wool top layer 9 and keeps away from user's shank, when needs separation wool top layer 9 and collude surface course 10, user's hand stretches into in stretching strap 12 to convenient to use person draws and drags bandage 8.

Referring to fig. 4 and 6, the antiskid protective shell is sewn on the outer side surface of the connecting layer 6 of the buffer part 1 and comprises a shell 13 and a wear plate 14.

One side surface of the housing 13 is formed with an air groove 20, and the other side surface of the housing 13 opposite thereto is formed with a mounting plane 15.

Referring to fig. 4 and 5, the wear plate 14 is fixedly connected to the mounting plane 15, and the side away from the mounting plane 15 is the wear plane. The wearing plane is provided with anti-skid grains 19 vertical to the length direction of the human shank, and the anti-skid grains 19 are distributed at intervals and in parallel. The anti-slip threads 19 increase the roughness of the wear surface and thus the stability of the wear plate 14 against the ground.

The wear plate 14 is provided with lightening grooves 24 which penetrate through the wear plate 14 along the thickness direction of the wear plate 14, the lightening grooves 24 are Y-shaped, and three lightening grooves 24 are communicated. Wherein, three subtract heavy groove 24 along the middle part symmetry setting of human shank width direction, six groups of wearing and tearing chunks are separated to three subtract heavy groove 24. The weight reduction grooves 24 are all provided with Y-shaped wear strips 16, the three groups of wear strips 16 are connected, the wear strips 16 are fixedly connected to the mounting plane 15, one side, far away from the mounting plane 15, of each wear strip is flush with the corresponding wear plane, and gaps exist between the side faces of the wear strips 16 and the wear blocks.

The six groups of abrasion blocks are symmetrically arranged along the middle part of the width direction of the shank of a human body, the abrasion blocks are provided with separating grooves 17 which are communicated along the thickness direction of the abrasion plate 14, the abrasion blocks are separated into a plurality of abrasion small blocks 18 by the separating grooves 17, the appearance of the abrasion small blocks 18 is not limited, and the abrasion small blocks 18 are made of abrasion-resistant rubber materials.

The lightening grooves 24 and the separating grooves 17 can increase the roughness of the wear plate 14. The wear strip 16 located in the lightening groove 24 can further improve the roughness of the wear surface to improve the stability of the protective cover 5 when it is in contact with the ground.

Referring to fig. 6, three vertical ribs 22 and four transverse ribs 21 are fixedly connected in the air groove 20, the vertical ribs 22 and the transverse ribs 21 are both in arc-shaped arrangement attached to the connecting layer 6, the length direction of the vertical ribs 22 is parallel to the length direction of the human shank, and the transverse ribs 21 and the vertical ribs 22 are vertically arranged. The three vertical ribs 22 and the four transverse ribs 21 are vertically arranged and divide the air groove 20 into twenty ventilation grooves 23. The connection layer 6 of the cushion section 1 extends into the air groove 20 and abuts against the vertical rib 22 and the horizontal rib 21.

The air tank 20 can reduce the weight of the case 13, thereby facilitating the user's activities while wearing the knee pad. When the cushioning portion 1 is deformed by pressure, the air dissipated when the cushioning portion 1 is pressed can move into the air groove 20 formed by the abutting rib separating ventilation groove 23, and the air exchange can be performed when the user uses the knee pad for a long time, so that the stuffiness is reduced, and the comfort level is improved.

The butt rib can improve the deformation resistance of the shell 13, reduce the relative offset movement of the butt shell and the buffer part 1, reduce the probability that the connection position of the connection shell and the buffer part 1 is subjected to stress concentration due to the fact that the connection shell is pressed to deform, and improve the connection stability between the butt shell and the buffer part 1.

The implementation principle of the embodiment is as follows: the rubber layer 2 of the cushioning portion 1 provides deformation when a user wears the knee pad, thereby playing a role of cushioning and absorbing shock, and the connecting layer 6 having the hard cloth layer structure can reduce the amount of deformation of the connecting layer 6 under pressure, thereby improving the connection stability of the connecting layer 6 and the protective cover 5. The protective cover 5 is abutted against the ground when the kneepad is used, instead of the buffer part 1, thereby improving the wear resistance of the kneepad.

The connecting part connected by the magic tape is convenient for a user to wear and detach the kneepad. And a looped pull strap 12 on strap 8 is easily grasped by the user to facilitate separation of strap 8 and strap 7 by the user.

The shell 13 of the protective cover 5 is fixedly connected to the outer side of the connecting layer 6 by machine sewing, while the side remote from the protective cover is fixedly connected with a wear plate 14 for abutting against the ground. The lightening grooves 24 on the wear plate 14, the wear strips 16 in the lightening grooves 24, the separating grooves 17 on the separating blocks and the anti-skid threads 19 on the wear segments 18 can improve the roughness of the wear plane. And the symmetrically arranged wear blocks, lightening slots 24 and wear strips 16 improve the stability of the wear surface when it is in abutment with the ground.

The air slots 20 located inside the housing 13 can reduce the mass of the housing 13 to facilitate the user's activities after wearing. At the same time, the vertical ribs 22 and the horizontal ribs 21 can improve the resistance of the housing 13 to deformation when pressed. The ventilation grooves 23 defined by the vertical ribs 22 and the transverse ribs 21 exchange air when the user wears the knee pad, thereby reducing the stuffiness when the cushioning portion 1 is attached to the knee and improving the comfort of the knee pad.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An antiskid visor, its characterized in that: the wear-resistant and wear-resistant composite material comprises a shell (13) and a wear plate (14), wherein a mounting plane (15) is arranged on one side, far away from a connecting layer (6), of the shell (13); wearing plate (14) fixed connection is on mounting plane (15), one side that mounting plane (15) were kept away from in wearing plate (14) is the wearing plane, wear plane is last to have seted up anti-skidding line (19) that a plurality of parallels and interval set up, the length direction of the perpendicular human shank of anti-skidding line (19).

2. The protective, non-slip cover of claim 1 wherein: three weight reducing grooves (24) which are Y-shaped and connected end to end are formed in the wear plate (14), the weight reducing grooves (24) are arranged along the thickness direction of the wear plate (14), the wear plate (14) is divided into a plurality of wear blocks by the weight reducing grooves (24), and the weight reducing grooves (24) and the wear blocks are symmetrically arranged in the middle of the width direction of the human shank.

3. The protective, non-slip cover of claim 2, wherein: the weight reducing grooves (24) are arranged in a penetrating mode in the thickness direction of the abrasion plate (14), the Y-shaped abrasion strips (16) are fixedly connected to the weight reducing grooves (24), one ends of the three groups of abrasion strips (16) are fixedly connected, and gaps exist between the abrasion strips (16) and the abrasion blocks.

4. The protective, non-slip cover of claim 2, wherein: each abrasion block is provided with a through separation groove (17) along the thickness direction of the abrasion block, and the separation groove (17) divides the abrasion block into a plurality of abrasion small blocks (18).

5. The protective, non-slip cover of claim 1 wherein: an air groove (20) matched with the shape of a knee of a human body is formed in one side, away from the mounting plane (15), of the shell (13), a plurality of transverse ribs (21) and vertical ribs (22) are fixedly connected in the air groove (20), the transverse ribs (21) are perpendicular to the length direction of a shank of the human body, the vertical ribs (22) are perpendicular to the transverse ribs (21), and one sides, away from the mounting plane (15), of the transverse ribs (21) and the vertical ribs (22) are attached to the connecting layer (6) in an arc shape; the transverse ribs (21) and the vertical ribs (22) divide the air grooves (20) into a plurality of ventilation grooves (23).

6. A kneepad with a protective slip-resistant cover as claimed in any one of claims 1 to 4, the side of the kneepad which engages the knee of the human body being the medial side and the opposite side being the lateral side; the method is characterized in that: still include buffering portion (1), buffering portion (1) includes flexible glue film (2), the inboard of glue film (2) seted up with human knee structure and position matched with hold hole (3), one side of glue film (2) is seted up and is used for shelving hole (4) of shelving human shank, glue film (2) are seted up and are shelved the one end in hole (4) and be the lower part of knee-pad, the relative other end is the upper portion of knee-pad, still including being used for the connecting portion of being connected with user's shank, antiskid visor (5) machine seam is connected in buffering portion (1) one side of keeping away from holding hole (3).

7. The kneepad with a protective slip-resistant cover of claim 6 wherein: buffer portion (1) is still including jointing glue film (2) the articulamentum (6) in the outside, one side that holding hole (3) were kept away from in glue film (2) is curved protruding setting, articulamentum (6) are the stereoplasm cloth layer, antiskid visor (5) are connected with articulamentum (6).

8. The kneepad with a protective slip-resistant cover of claim 6 wherein: connecting portion include ribbon (7), bandage (8) and be used for connecting the magic subsides of ribbon (7) and bandage (8), and ribbon (7) and bandage (8) fixed connection respectively are on articulamentum (6) and are located the both sides of holding hole (3) respectively, ribbon (7) and bandage (8) are the flexible banding of elasticity.

9. The kneepad with a protective slip-resistant cover of claim 8 wherein: the magic tape comprises a wool surface layer (9) fixedly connected to the binding band (8) and a hook surface layer (10) fixedly connected to the binding band (7), wherein the wool surface layer (9) and the hook surface layer (10) are arranged in a matched mode, the wool surface layer (9) is rectangular and strip-shaped, one end in the length direction is located on the binding band (8), and the other opposite end is arranged in a cantilever mode; the one end back that the hair side layer (9) encorbelmented is provided with stretching strap (12), and the both ends fixed connection of stretching strap (12) is between hair side layer (9) and bandage (8) and be the annular setting, the back of stretching strap (12) one side laminating hair side layer (9) and with fixed connection.