CN218483879U - Shock attenuation sole and shock attenuation shoes - Google Patents

Abstract

The utility model discloses a shock-absorbing sole and a pair of shock-absorbing shoes using the same, which relate to the field of sport and leisure shoes, wherein the shock-absorbing sole comprises a sole part, a first connecting piece and a heel part, and the heel part comprises a second connecting piece and a hollow annular elastic air cushion; a groove is formed in the outer peripheral side of the elastic air cushion, a connection reinforcing piece is arranged on the outer peripheral side of the second connecting piece, and a corresponding position on the outer peripheral side of the connection reinforcing piece is in plug fit with the groove; the heel part and the sole part have different elasticity, so that the shoe is more suitable for the specific requirements of a user for wearing shoes, a larger buffer room is arranged at the heel part, and the damage to the tendons and muscle tissues at the positions of the ankle, the heel and the achilles tendon and the sole of the foot caused by the integral rigid vibration is avoided; when the sole part is firstly subjected to external force, the heel part is prevented from being simultaneously stressed and shocked, and the injury risks in the aspects of achilles tendon fracture, tearing, muscle strain and the like are reduced.

Description

Shock attenuation sole and shock attenuation shoes

Technical Field

The utility model relates to a sports and leisure shoes field especially relates to a shock attenuation sole reaches shock attenuation shoes including this sole.

Background

The sole is the contact part of shoes and ground, may need to possess wear-resisting, water-fast, resistant oily, heat-resisting, withstand voltage, shock-resistant, elasticity good, be fit for the foot type easily under different use scenarios, difficult deformation after the design, heat preservation, easily absorb moisture etc. multiple different effects. Soft air cushion soles are excellent shock absorbers, have good elasticity and are very durable, so air cushions are often used to make soles.

The utility model discloses a chinese utility model patent that notice number is CN212260663U discloses an air cushion sole, include insole, the undersole and locate first air cushion between insole and the undersole, first air cushion includes annular first bottom, annular first top and connects first bottom with first middle part between first top, first bottom is connected the undersole, first top is connected the insole, first middle part includes first lateral wall and second lateral wall, first lateral wall is connected the annular outer lane of first bottom with the annular outer lane of first top, the second lateral wall is connected the annular inner circle of first bottom with the annular inner circle of first top.

The utility model has the advantages that the structure of the air cushion arranged between the insole and the outsole has the advantage of even distribution of the cushioning performance for the whole insole, but the whole insole has the same cushioning performance, which means that the cushioning effect of the whole sole of a user is similar in the using process, the received vibration is integral rigid vibration, and even if the bottom surface of the foot is the external force which is firstly received at any position rate of the sole of the air cushion, other parts of the foot begin to bear force and receive vibration; greatly increasing the injury risk in the aspects of achilles tendon fracture, tear, muscle strain and the like.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the first objective of the present invention is to provide a shock-absorbing sole. The utility model aims at realizing through the following technical scheme: a shock-absorbing sole comprises a sole part, a first connecting piece and a heel part; the heel part comprises a second connecting piece and an elastic air cushion; the elastic air cushion is in a hollow ring shape;

one end of the first connecting piece is connected with the upper surface of the sole part close to the heel part, and the other end of the first connecting piece is connected with the upper surface of the second connecting piece close to the sole part; the lower surface of the second connecting piece is connected with the upper surface of the elastic air cushion.

Through adopting above-mentioned technical scheme, the heel portion that has the elasticity air cushion is connected through flaky first connecting piece with the sole portion that does not have the elasticity air cushion, and heel portion is different with sole portion elasticity, is fit for the concrete needs that the user wore shoes more, avoids ankle, heel, achilles tendon position and sole to receive holistic rigidity vibrations, but heel department has bigger buffer room, avoids vibrations to tear even tears muscle, musculature etc. of tearing people ankle, achilles tendon department. Under the condition that the sole part is firstly subjected to external force, the heel part is prevented from being simultaneously stressed and vibrated, and the injury risk in the aspects of achilles tendon fracture, tearing, muscle strain and the like is reduced.

Preferably, the peripheral side of the elastic air cushion is provided with a plurality of grooves along the height direction.

Through adopting above-mentioned technical scheme, increased the aesthetic property through asymmetric recess, made the shoes about easily distinguish to the surface area of cavity annular elastic air cushion has been increased, it is more excellent to make elasticity, shock attenuation effect.

Preferably, a connection reinforcing member is disposed on an outer peripheral side of the second connecting member, and a lower surface of the connection reinforcing member is connected to an upper surface of the elastic cushion.

Through adopting above-mentioned technical scheme, anomalous connection reinforcement is more pleasing to the eye to can increase the area of contact of second connecting piece and elastic air cushion, make to connect inseparabler, prolong the life of shock attenuation sole.

Preferably, the corresponding part on the outer periphery of the connection reinforcing piece is in plug fit with the groove.

By adopting the technical scheme, the connection reinforcing piece is in plug-in fit with the groove, the contact area of the second connecting piece and the elastic air cushion is further increased, the service life of the damping sole is prolonged, and the damping sole is attractive and elegant.

Preferably, the lower surfaces of the sole part and/or the elastic air cushion are provided with wear-resistant grains; the shape of the wear-resistant lines is wave-shaped along the width direction of the sole part.

Through adopting above-mentioned technical scheme, be convenient for increase the frictional force on shock attenuation sole and ground, promote the wearability of shock attenuation sole through setting up wear-resisting line.

The second purpose of the utility model is to provide a shock-absorbing shoe containing a shock-absorbing sole. The utility model aims at realizing through the following technical scheme: a shock-absorbing shoe comprises an upper and a vamp which are positioned above a shock-absorbing sole;

the lower surface of the upper is connected with the outer peripheral side of the upper surface of the damping sole, the vamp is positioned above the sole part, and one end of the vamp, which is far away from the heel part, is connected with the upper surface of the upper.

Preferably, the cushioning shoe further comprises a tongue, a resilient instep strap;

two side surfaces of the vamp in the width direction are connected with the upper surface of the upper; one side of the shoe tongue, which is far away from the heel part, is connected with one side of the vamp, which is close to the heel part; the two ends of the instep strip are connected with the two sides of the upper, and the lower surface of the instep strip is abutted to the tongue.

Through adopting above-mentioned technical scheme, the more comfortable parcel sense is provided to elongated tongue, and the cotton effect of instep strip double drum is convenient for provide the vision simultaneously pleasing to the eye and travelling comfort.

Preferably, the footwear piece further includes a tongue, a functional strap; two side surfaces of the vamp in the width direction are connected with the upper surface of the upper, and the middle part of the vamp is provided with a breathable net;

the shoe tongue comprises a fixing part and a connecting part, wherein the ends, far away from each other, of the fixing part and the connecting part are respectively connected with the side faces of the upper on the same side, and the ends, close to each other, of the fixing part and the connecting part are mutually overlapped and detachably connected or the tightness is adjusted through the functional buckle belt;

the upper surface of one end of the upper, which is far away from the heel part, is provided with a heightened three-dimensional heel.

By adopting the technical scheme, the ventilation net in the middle of the vamp is designed asymmetrically, so that strong visual transmission is created, and the ventilation property of the shoe is enhanced; on the classic Mary precious last type, the functional buckle belt is combined, the extremely complex layering effect is achieved, and the end, close to the connecting portion, of the fixing portion can be conveniently detachably connected or the tightness can be conveniently adjusted through the functional buckle belt. The design of the soft sweets with the heightened three-dimensional heels improves the wearing comfort.

Preferably, the shock-absorbing shoe further comprises a tongue and a surrounding type magic tape; connecting sheets and connecting belts are respectively arranged on two sides of the upper surface of the upper, which are positioned above the sole part, connecting holes are formed in the connecting sheets, and two ends of the connecting belts respectively penetrate through the connecting holes and are connected with two sides of the sole part;

the upper surface of the middle part of the surrounding type magic tape is connected with the lower surface of the first connecting piece, two free ends of the surrounding type magic tape are abutted against the shoe upper and the shoe tongue, and the two free ends are detachably bonded with each other;

and the upper surface of the upper above the heel part is provided with a surrounding wrapping heel.

Through adopting above-mentioned technical scheme, the strip is pasted to surrounding type magic, promotes whole space stereovision, is convenient for adjust the elasticity, and the back adopts surrounding type package to increase dress parcel sense, comfort with little soft candy.

Preferably, a plurality of bulges in any one or more of a circle, an ellipse, a semicircle or a semi-ellipse are arranged on the side surface of the upper;

the shock absorption shoes also comprise connecting strips, one ends of the connecting strips are connected with one side of the upper, and the other ends of the connecting strips are detachably adhered with the other side of the upper;

the one end that the connecting strip can be dismantled with the upper of a shoe and bond is provided with screening glass, tongs, the screening glass is special-shaped metal material, the tongs is globular.

Through adopting above-mentioned technical scheme, be convenient for realize wearing to take off shock attenuation shoes through the connecting strip, the tongs be convenient for convenient with connecting strip and upper of a shoe bonding or separation, the screening glass protects the one end of connecting piece, increase of service life, pleasing to the eye, come from the form that the candy fuses the in-process, laminating sole design. The round, oval, semi-round and semi-oval bulges on the upper come from the effect that the bubbles gradually become bigger in the blowing process, thereby enhancing the interest and the attractiveness of the shoe when being worn.

To sum up, compare with prior art, the utility model discloses following beneficial effect has:

(1) The damping sole is provided with a sole part, a first connecting piece and a heel part, wherein the heel part comprises a second connecting piece and a hollow annular elastic air cushion; a groove is formed in the peripheral side of the elastic air cushion, a connection reinforcing piece is arranged on the peripheral side of the second connecting piece, and the corresponding position of the peripheral side of the connection reinforcing piece is in plug fit with the groove; the heel part and the sole part have different elasticity, so that the shoe is more suitable for the specific requirements of a user for wearing shoes, the heel part has a larger buffer room, and the ankle, the heel and the achilles tendon are prevented from being damaged by the whole rigid vibration on the ankle, the heel and the sole; when the sole part is firstly subjected to external force, the heel part is prevented from being simultaneously stressed and shocked, and the injury risks in the aspects of achilles tendon fracture, tearing, muscle strain and the like are reduced;

(2) Wave-shaped wear-resistant lines are arranged on the lower surface of the sole part and/or the elastic air cushion along the width direction of the sole part; the friction force between the shock absorption sole and the ground is increased, and the wear resistance of the shock absorption sole is improved.

(3) The damping shoe comprises a damping sole, an upper and a vamp, wherein the upper and the vamp are positioned above the damping sole; the lower surface of the upper is connected with the outer peripheral side of the upper surface of the shock absorption sole, the vamp is positioned above the sole part, and one end of the vamp, which is far away from the heel part, is connected with the upper surface of the upper; obtain the shoes that have good shock attenuation effect, be convenient for avoid the injury risk in the aspect of achilles tendon fracture, tear, muscle strain etc..

Drawings

FIG. 1 is a six-view diagram of a shock-absorbing sole according to embodiment 1 of the present invention;

FIG. 2 is a schematic view of the shock-absorbing shoe according to embodiment 3 of the present invention;

FIG. 3 is a schematic structural view of a pair of shock absorbing shoes according to embodiment 4 of the present invention;

FIG. 4 is a schematic structural view of a pair of shock absorbing shoes according to embodiment 5 of the present invention;

FIG. 5 is a schematic structural view of a pair of shock absorbing shoes according to embodiment 6 of the present invention;

reference numerals are as follows: 1. a shock-absorbing sole; 11. a sole portion; 12. a first connecting member; 13. a heel section; 131. a second connecting member; 1311. connecting a reinforcing member; 132. an elastic air cushion; 1321. a groove; 14. wear-resistant lines; 2. an upper; 21. heightening the three-dimensional heel; 22. connecting sheets; 221. connecting holes; 23. a connecting belt; 24. a surrounding type wrapping heel; 25. A protrusion; 3. a shoe upper; 31. a breathable net; 4. a tongue; 41. a fixed part; 42. a connecting portion; 5. an instep strap; 6. A functional buckle belt; 7. a surrounding type magic tape; 8. connecting the strips; 81. a protective sheet; 82. and (4) a hand grip.

Detailed Description

The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. In the following description, for the sake of clarity, the structure and operation of the present invention will be described with the aid of directional terms, but the terms "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be understood as words of convenience and not as words of limitation. As used herein, the terms "distal" and "proximal" in the context of "distal", "proximal", and "proximal" refer to positions relative to the operator of the needle assembly that are "proximal" toward the operator and "distal" away from the operator.

It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention. The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and these ranges or values should be understood to encompass values close to these ranges or values. For ranges of values, between the endpoints of each range and the individual values, and between the individual values may be combined with each other to give one or more new ranges of values, which ranges of values are to be considered as specifically disclosed herein, the invention is described in detail below with reference to specific examples:

example 1

As shown in fig. 1, a shock-absorbing sole 1 comprises a sole portion 11, a first connecting piece 12 in a sheet shape, and a heel portion 13; heel portion 13 includes second connector 131, connection reinforcement 1311, and resilient cushion 132; the hollow annular elastic air cushion 132 is in a doughnut shape; the peripheral side of elastic air cushion 132 has been seted up 2 recesses 1321 along its direction of height, has increased the aesthetic property through asymmetric recess 1321, makes shoes easily distinguish about to the surface area of annular elastic air cushion 132 of cavity has been increased, makes elasticity, shock attenuation effect more excellent.

One end of the first connecting piece 12 is connected with the upper surface of the sole part 11 near the heel part 13, and the other end is connected with the upper surface of the second connecting piece 131 near the sole part 11; the lower surface of the second connecting member 131 is connected to the upper surface of the elastic cushion 132. The connection reinforcing member 1311 is located on the outer periphery of the second connecting member 131, the lower surface of the connection reinforcing member 1311 is connected to the upper surface of the elastic cushion 132, and the corresponding position on the outer periphery of the connection reinforcing member 1311 is inserted into the recess 1321. Irregular connection reinforcing piece 1311 is more attractive, and the contact area between second connecting piece 131 and elastic air cushion 132 can be increased through the insertion fit of connection reinforcing piece 1311 and groove 1321, so that the connection is tighter, the service life of damping sole 1 is prolonged, and the appearance is attractive and elegant.

The lower surfaces of the sole part 11 and the elastic air cushion 132 are provided with wear-resistant lines 14, so that the friction force between the shock absorption sole 1 and the ground is increased, and the wear resistance of the shock absorption sole 1 is improved; the shape of the wear-resistant texture 14 is a wave shape along the width direction of the sole portion 11.

In this embodiment, the heel portion 13 having the elastic cushion 132 in the shock absorbing sole 1 is connected to the sole portion 11 not having the elastic cushion 132 through the first sheet-shaped connecting member 12, and the heel portion 13 has different elasticity from the sole portion 11, so as to be more suitable for specific needs of a user wearing shoes, and prevent the ankle, the heel, the achilles tendon and the sole from being subjected to overall rigid vibration, but the heel has a larger buffer room, so as to prevent the vibration from tearing or even tearing off the tendons, muscle tissues and the like at the ankle and the achilles tendon of the user. Under the condition that the sole part 11 is firstly subjected to external force, the heel part 13 is prevented from being simultaneously stressed and shocked, and the injury risks in the aspects of achilles tendon fracture, tearing, muscle strain and the like are reduced.

Example 2

A shock absorption shoe comprises a shock absorption sole 1 in embodiment 1, and further comprises an upper 2 and a vamp 3 which are positioned above the shock absorption sole 1; the lower surface of the upper 2 is connected with the outer peripheral side of the upper surface of the shock absorption sole 1, the vamp 3 is positioned above the sole part 11, and one end of the vamp, which is far away from the heel part 13, is connected with the upper surface of the upper 2. The shoes with good damping effect and the injury risk in the aspects of being convenient for avoiding the achilles tendon from being broken, torn, pulled by muscles and the like can be obtained.

Example 3

As shown in fig. 2, a shock-absorbing shoe is different from embodiment 2 in that it further comprises an elongated tongue 4, a double-drum cotton effect elastic instep strip 5; two side surfaces of the vamp 3 in the width direction are connected with the upper surface of the upper 2; the side of the tongue 4 far away from the heel part 13 is connected with the side of the vamp 3 close to the heel part 13; two ends of the instep strip 5 are connected with two sides of the upper 2, and the lower surface of the instep strip is abutted with the tongue 4. The elongated tongue 4 provides a more comfortable wrap feel and the instep strip 5 double drum cotton effect facilitates providing both visual aesthetics and comfort.

Example 4

As shown in FIG. 3, a shock absorbing footwear piece is different from the embodiment 2 in that the shock absorbing footwear piece further includes a tongue 4, a functional buckle 6; two side surfaces of the vamp 3 in the width direction are connected with the upper surface of the upper 2, and the middle part of the vamp 3 is provided with a breathable net 31; the tongue 4 comprises a fixing part 41 and a connecting part 42, the functional buckle belt 6 comprises two parts which are matched with each other through a rack and a buckle, the two parts are respectively connected with the connecting part 42 and the fixing part 41, the ends, far away from each other, of the fixing part 41 and the connecting part 42 are respectively connected with the side face of the upper 2 on the same side, the ends, close to each other, of the fixing part 41 and the connecting part 42 are mutually overlapped and detachably connected or the tightness is adjusted through the functional buckle belt 6; the upper surface of one end of the upper 2 far away from the heel part 13 is provided with a heightened three-dimensional heel 21. The ventilation net 31 in the middle of the vamp 3 is designed asymmetrically, so that strong visual transmission is created, and the ventilation property of the shoe is enhanced; on the classic mary last type, the functional buckle belt 6 is combined, the extremely complex layering is achieved, and one end, close to the connecting portion 42, of the fixing portion 41 can be conveniently detachably connected or the tightness can be conveniently adjusted through the functional buckle belt 6. The design of the small jelly with the heightened three-dimensional heel 21 improves the wearing comfort.

Example 5

As shown in fig. 4, a pair of shock-absorbing shoes, which is different from the embodiment 2, is characterized in that the shock-absorbing shoes further comprise a tongue 4 and a surrounding type magic tape 7, and two side surfaces of the vamp 3 in the width direction are designed to be separated from the upper 2; the two sides of the upper surface of the upper 2 above the sole part 11 are respectively provided with a connecting sheet 22 and a connecting belt 23, the connecting sheet 22 is provided with a connecting hole 221, and two ends of the connecting belt 23 respectively penetrate through the connecting hole 221 and are connected with two sides of the sole part 11; the upper surface of the middle part of the surrounding type magic tape 7 is connected with the lower surface of the first connecting piece 12, two free ends of the surrounding type magic tape are abutted against the shoe upper 2 and the shoe tongue 4, and the two free ends are detachably bonded with each other; the upper surface of the upper 2 above the heel part 13 is provided with a U-shaped surrounding heel 24. Surrounding type magic subsides strip 7 promotes whole space stereovision, is convenient for adjust the elasticity, and the heel adopts surrounding type package to increase dress parcel sense, comfort with 24 little soft sweets.

Example 6

As shown in fig. 5, a shock-absorbing shoe is different from embodiment 2 in that 1-10 circular, elliptical, semicircular or semi-elliptical protrusions 25 are provided on the side of an upper 2; the shock absorption shoe also comprises a connecting strip 8, one end of the connecting strip 8 is connected with one side of the upper 2, and the other end of the connecting strip 8 is detachably adhered with the other side of the upper 2 through a magic tape; the one end that connecting strip 8 and upper of a shoe 2 can dismantle the bonding is provided with protection sheet 81, tongs 82, and protection sheet 81 is special-shaped metal material, and tongs 82 is transparent globular for ya keli. Through connecting strip 8 be convenient for realize wearing to take off damping shoes, tongs 82 be convenient for convenient with connecting strip and upper of a shoe 2 bonding or separation, the one end of connection piece 22 is protected to screening glass 81, increase of service life, pleasing to the eye, come from the form that the candy fuses the in-process, the design of laminating sole. The round, oval, semi-round and semi-oval bulges 25 on the upper 2 come from the effect that the bubbles gradually become bigger in the blowing process, so that the interestingness and the attractiveness of the shoe when being worn are enhanced.

The foregoing descriptions have been directed to embodiments of the present invention. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims (10)

1. A shock-absorbing sole is characterized by comprising a sole part (11), a first connecting piece (12) and a heel part (13); the heel part (13) comprises a second connecting piece (131) and an elastic air cushion (132); the elastic air cushion (132) is in a hollow annular shape;

one end of the first connecting piece (12) is connected with the upper surface of the sole part (11) close to one side of the heel part (13), and the other end of the first connecting piece is connected with the upper surface of the second connecting piece (131) close to one side of the sole part (11); the lower surface of the second connecting piece (131) is connected with the upper surface of the elastic air cushion (132).

2. The shock-absorbing sole as claimed in claim 1, wherein said elastic cushion (132) is formed with a plurality of grooves (1321) on its outer circumferential side in the height direction thereof.

3. The shock-absorbing sole according to claim 2, wherein the outer peripheral side of said second connecting member (131) is provided with a connecting reinforcement (1311), the lower surface of said connecting reinforcement (1311) being connected to the upper surface of said elastic cushion (132).

4. The shock-absorbing sole as claimed in claim 3, characterized in that said connection reinforcement (1311) is fitted, in correspondence of the peripheral side, with said recess (1321) by plugging.

5. The shock-absorbing sole according to claim 1, characterized in that the lower surface of said sole portion (11) and/or of said elastic cushion (132) is provided with wear-resistant ridges (14); the shape of the wear-resistant lines (14) is wave-shaped along the width direction of the sole part (11).

6. A shock-absorbing shoe, characterized in that it comprises a shock-absorbing sole according to any one of claims 1 to 5, and further comprises an upper (2), a vamp (3) positioned above said shock-absorbing sole (1);

the lower surface of upper of a shoe (2) is connected with the upper surface outside week of shock attenuation sole (1), vamp (3) are located sole portion (11) top, its keep away from heel (13) one end with the upper surface of upper of a shoe (2) is connected.

7. The shock absorbing shoe according to claim 6, characterized in that it further comprises a tongue (4), an instep strip (5);

two side surfaces of the vamp (3) in the width direction are connected with the upper surface of the upper (2); one side of the tongue (4) far away from the heel part (13) is connected with one side of the vamp (3) close to the heel part (13); the two ends of the instep strip (5) are connected with the two sides of the shoe upper (2), and the lower surface of the instep strip is abutted to the tongue (4).

8. The shock absorbing footwear piece of claim 6, further comprising a tongue (4), a functional strap (6); two side surfaces of the vamp (3) in the width direction are connected with the upper surface of the upper (2), and the middle part of the vamp (3) is provided with a breathable net (31);

the shoe tongue (4) comprises a fixing part (41) and a connecting part (42), wherein one ends, far away from each other, of the fixing part (41) and the connecting part (42) are respectively connected with the side face of the shoe upper (2) on the same side, and one ends, close to each other, of the fixing part (41) and the connecting part (42) are mutually overlapped and detachably connected or the tightness of the fixing part and the connecting part is adjusted through the functional buckle belt (6);

and a heightened three-dimensional heel (21) is arranged on the upper surface of one end of the upper (2) far away from the heel part (13).

9. The shock absorbing shoe as claimed in claim 6, further comprising a tongue (4), a loop velcro tape (7); connecting sheets (22) and connecting belts (23) are respectively arranged on two sides of the upper surface of the upper (2) above the sole part (11), connecting holes (221) are formed in the connecting sheets (22), and two ends of the connecting belts (23) respectively penetrate through the connecting holes (221) and are connected with two sides of the sole part (11);

the upper surface of the middle part of the surrounding type magic tape (7) is connected with the lower surface of the first connecting piece (12), two free ends of the surrounding type magic tape are abutted against the shoe upper (2) and the shoe tongue (4), and the two free ends are detachably bonded with each other;

and a surrounding heel wrapping (24) is arranged on the upper surface of the upper (2) above the heel part (13).

10. The shock-absorbing shoe as claimed in claim 6, wherein said upper (2) is provided at its lateral surface with a plurality of protrusions (25) of any one or more of circular, elliptical, semi-circular or semi-elliptical shape;

the shock absorption shoes also comprise connecting strips (8), one ends of the connecting strips (8) are connected with one side of the upper (2), and the other ends of the connecting strips (8) are detachably adhered with the other side of the upper (2);

one end of the connecting strip (8) detachably bonded with the upper (2) is provided with a protective sheet (81) and a gripper (82), the protective sheet (81) is made of special-shaped metal, and the gripper (82) is spherical.

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