CN110638135B

CN110638135B - Rescue shoes with multi-functional guard action

Info

Publication number: CN110638135B
Application number: CN201910912790.3A
Authority: CN
Inventors: 周厚勇; 贾森虎; 袁芦江; 杨正均; 潘宇
Original assignee: Chongqing Dunzhi Wang Security Equipment Technology Research Institute Co ltd
Current assignee: Chongqing Dunzhi Wang Security Equipment Technology Research Institute Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2021-06-22
Anticipated expiration: 2039-09-25
Also published as: CN110638135A

Abstract

The invention relates to the field of rescue shoes, in particular to a rescue shoe with a multifunctional protection function, which comprises an upper and a sole, wherein the upper comprises an upper surface and an upper lining, the upper is divided into a front upper and a rear upper, the rear part of the rear upper is provided with a bent part, the bent part comprises two soft arc-shaped strips, and an extrusion seam is arranged between the two arc-shaped strips. The scheme avoids deformation and damage of the ankle of the back upper in the walking process.

Description

Rescue shoes with multi-functional guard action

Technical Field

The invention relates to the field of rescue shoes, in particular to a rescue shoe with a multifunctional protection function.

Background

Under the social environment advocating human-oriented, the prevention of personal injury caused by natural disasters and human accidents becomes the focus of leadership and public attention. Under the decision of safety and environmental protection provided by the country, a pair of multifunctional shoes can bring higher safety guarantee for rescue workers and special workers. At present, 2-3 safety protection items of shoe products in the shoe making industry are more (for example, the three functions of electric insulation, skid resistance and smashing prevention), the potential safety hazards in a special environment are complicated, particularly, the protection performance of shoes and boots assembled by rescuers is single, and a great number of potential safety hazards are brought to the shoes and boots.

In addition, the existing rescue shoes are provided with tongues, the bottoms of the tongues are sewn on the uppers, certain gaps are reserved between the side faces of the tongues and the uppers, and sand or insects easily enter the interiors of the shoes from the gaps between the tongues and the uppers in special environments, so that the wearing comfort is affected.

In addition, in order to improve the ankle protection performance of the rescue shoe, improve the waterproof performance, or improve the performance of preventing sand or insects from entering the shoe, the back part of the existing rescue shoe is generally higher, but in the walking process of people, the part of the back part close to the ankle is easy to be extruded by the shank to generate bending deformation, and the back part is harder and has poorer toughness, so that the part of the back part which is often deformed can be fractured, thereby causing the back part of the rescue shoe to have defects. Moreover, when the part of the back upper close to the ankle deforms, the back upper can rub the ankle to a certain extent, and discomfort is caused to the ankle.

Disclosure of Invention

The invention aims to provide a pair of rescue shoes with a multifunctional protection function, so as to avoid damage caused by deformation of a heel part.

In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a rescue shoes with multi-functional guard action, includes upper of a shoe and sole, and the upper of a shoe includes group's face and group, and the upper of a shoe divide into preceding group and back group, and the rear portion of back group is equipped with the kink, and the kink includes two soft arc strips, is equipped with the extrusion seam between two arc strips.

When adopting above-mentioned technical scheme, this rescue shoes are equipped with the kink at the rear portion of back group, and when walking like this, two arcs can be close to each other under the effect of shank to the kink on the back group to make the position that the back group was equipped with the kink take place certain bending deformation, because the arc is softer, so this kind of bending can not cause back group bending damage, has improved the life of rescue shoes, in addition, compare prior art, also can cushion the friction of sufficient wrist, avoid the back group to take place deformation and the sufficient wrist that wears out. When the extrusion seam can make the back group take place crooked deformation, two arcs have certain space and can be close to each other for the back group takes place crooked easier realization, can not cause the position that the back group buckles and fracture because of deformation.

Further, the arced strip includes a lining foam. The lining foam is softer, lighter and less prone to fracture, is comfortable when acting on the ankle, and reduces friction between the lining foam and the ankle.

The shoe further comprises a shoe tongue, the bottom of the shoe tongue is fixedly connected to the front upper, shoe uppers are provided with shoe lace holes, and a protective layer close to the shoe lace holes is fixedly connected between the side part of the shoe tongue and the shoe uppers. The protective layer is used for connecting the side part of the tongue with the upper of the shoe, so that no gap can be formed between the tongue and the upper of the shoe, sand and insects can be blocked by the protective layer, and therefore the situation that the sand or the insects enter the inside of the shoe from the gap between the tongue and the upper of the shoe can be avoided to a certain extent, and the wearing comfort is improved.

Furthermore, the head of the front upper is provided with an anti-smashing steel toe cap positioned between the upper surface and the inner side. The anti-smashing steel toe cap is hard, and the anti-smashing effect of toes can be achieved.

Furthermore, the upper surface is made of cow leather, and flame retardant is added into the cow leather; foamed polyurethane materials are adopted on the shoe tongue and the shoe opening of the shoe upper; the sole comprises an inner sole, a middle sole and an outer sole, wherein the inner sole is made of high-elasticity EAV foaming materials, the middle sole is formed by compounding high-density aromatic polyamide fiber materials, the outer sole is formed by thermoplastic molding of thermoplastic polyurethane and rubber through a mold cavity, and the outer sole contains resistance substances and barium sulfate substances. The upper surface is the cowhide leather, which can play a role in water resistance to a certain extent, and the flame retardant is added into the cowhide leather to play a role in flame retardance. The shoe tongue and the shoe opening are made of foamed polyurethane materials, so that dust and insects can be effectively prevented from entering the shoe tongue, and the comfort level of wearing the shoe is improved. The inner bottom is made of high-elastic EAV foaming material, and the EAV foaming material is softer and more comfortable to wear. The insole adopts high-density aromatic polyamide fiber material for compounding, so that the puncture-proof effect can be achieved. The outsole is formed by thermoplastic polyurethane and rubber through a die cavity in a thermoplastic mode, and materials containing resistance materials and barium sulfate are added to achieve the functions of electric insulation and acid and alkali resistance. Through this scheme, realized that this rescue shoes possess the electrical insulation that accords with the national standard requirement simultaneously, prevent pounding, prevent puncture, fire-retardant, acid and alkali-resistance and waterproof safety protection performance, realized multiple functions in an organic whole, safety protection performance is better.

Furthermore, the surface of the inner bottom is compounded with cotton and hemp material with bacteriostatic agent. The surface of the inner bottom is compounded with cotton hemp material with bacteriostatic agent to reach the antibacterial effect.

Further, the outer side of the anti-smashing steel ferrule is wrapped with a rubber layer. The rubber layer increases the adhesiveness and the insulativity of the anti-smashing steel toe cap and the upper, and meanwhile, the rubber is softer, so that the shoe is more comfortable to wear.

Furthermore, the front end and the rear end of the insole are both provided with a check block, an air channel is connected between the check block at the front end of the insole and the check block at the rear end of the insole, and the air channel is provided with air holes facing the inner bottom. From this, after people's walking half sole lands, the half sole extrudes the gas in the check fender of insole front end, the air current pressurized back in the check fender of insole front end flows to the check fender of insole rear end through the air vent to blow to the back palm, alleviate the fatigue degree of foot half sole, simultaneously, after the back palm lands, the back palm extrudes the gas in the check fender of insole rear end, the air current pressurized back in the check fender of insole rear end flows to the check fender of insole front end through the air vent, thereby blow to the half sole, alleviate the fatigue degree of foot half sole. In addition, in the flowing process of the air, the air can blow the sole of the foot through the ventilation holes, and the defect of dampness in the shoe can be overcome to a certain extent.

Furthermore, the bottom of the outer sole is provided with anti-skid patterns, the anti-skid patterns are distributed along the width direction of the outer sole, the bottom of the outer sole is provided with a plurality of rod cavities distributed along the edge of one side of the outer sole, push rods used for removing soil in the anti-skid patterns are arranged in the rod cavities, one ends of the push rods, which are located on the outer sides of the rod cavities, are connected with connecting rods, and push blocks are arranged on the connecting rods. The anti-skid capacity of the rescue shoes can be improved through the anti-skid patterns. The connecting rod is used for connecting a plurality of push rods together. The push rod is arranged in the rod cavity and is positioned in the rod cavity when the rescue shoes are worn at ordinary times, so that the push rod cannot obstruct walking. In the prior art, when a rescue army rescues in a flood disaster, roads are muddy and have more mud, so that the gaps among the anti-skid patterns can be filled with the mud, and the anti-skid capacity of the rescue shoes is greatly reduced. After the anti-slip pattern gaps are filled with soil, the push block can be manually pushed, the push block drives the connecting rod to move, the connecting rod drives the push rod to come out of the rod cavity, then the push rod is pushed, so that the push rod moves to the other end from one end of the anti-slip pattern, the push rod moves in the gaps between the anti-slip patterns, the soil in the anti-slip pattern gaps is removed by the push rod, quick cleaning of the soil in the anti-slip pattern gaps is achieved, and anti-slip capacity of the rescue shoes is guaranteed. After soil is removed, the push rod is reset into the rod cavity.

Furthermore, the inside of outsole is equipped with the cavity, and the cavity internal rotation is connected with the rope roller, is equipped with the torsional spring between the inner wall of the both ends of rope roller and cavity, and the winding has a plurality of stay cords on the rope roller, and the one end fixed connection that the rope roller was kept away from to the stay cord is located one of pole chamber at the push rod and serves. Therefore, when the push rod is pulled out of the rod cavity or moves from one end of the anti-skid pattern close to the rod cavity to the other end, the push rod pulls the pull rope, the pull rope drives the rope roller to rotate, and the rope roller enables the torsion spring to store force; after the push rod clears away earth, loosen the push rod, the rope roller is reverse rotation under the elasticity effect of torsional spring, and the rope roller twines the stay cord, and the stay cord pulling push rod moves to the pole chamber direction to can realize the automatic re-setting of push rod. When the push rod is positioned in the rod cavity, the pull rope can also provide certain pulling force for the push rod, so that the push rod is prevented from automatically moving out of the rod cavity, and the push rod is stably positioned in the rod cavity. The stay cord in this scheme can make push rod automatic re-setting on the one hand, and on the other hand can fix the push rod in the pole chamber, avoids the push rod to fall out from the pole chamber. The torsional spring is used for giving the certain reverse rotation power of rope roller for the rope roller can have certain winding dynamics to the stay cord, avoids the automatic release from the rope roller of stay cord.

Drawings

FIG. 1 is a side view of a pair of rescue shoes with multi-functional protection;

FIG. 2 is a front view of a pair of multifunctional protective rescue shoes;

FIG. 3 is a rear view of a pair of rescue shoes with multi-functional protection;

FIG. 4 is a top view of the midsole of example 3;

FIG. 5 is a bottom plan view of the outsole of example 4;

FIG. 6 is a side cross-sectional view of the outsole with the putter in the shaft cavity;

FIG. 7 is a side cross-sectional view of the outsole with the putter outside the rod cavity.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the shoe comprises a tongue 1, a smash-proof steel toecap 2, an outsole 3, a midsole 4, an insole 5, a vamp 6, a welt 7, a notch 8, a shoelace joint 9, a protective layer 10, a sole 11, a front upper 12, an arc strip 18, an extrusion seam 19, a block 20, an air duct 22, a push rod 23, a connecting rod 24, a push block 25, a rope roller 26, a torsion spring 27, a pull rope 28, an anti-skid pattern 36 and a rod cavity 37.

Example 1

Substantially as shown in figures 1 to 3 of the accompanying drawings: the utility model provides a rescue shoes with multi-functional guard action, includes tongue 1, upper of a shoe and sole 11, and sole 11 includes insole 5, insole 4 and outsole 3, and insole 5, insole 4 and outsole 3 all adopt the mode of viscose to link together. The bottom of the outer sole 3 is provided with anti-skid patterns, and the thickness of the anti-skid patterns in the embodiment is more than or equal to 3mm, so that the anti-skid capacity of the rescue shoe can be improved. The upper comprises an upper surface 6 and an upper lining, wherein the upper surface 6 in the embodiment is made of natural oxhide leather, so that the shoe has a certain waterproof function, and the upper lining is three layers of composite mesh cloth. The upper is divided into a front upper 12 and a back upper, the upper is provided with a shoelace connecting part 9, the shoelace connecting part 9 is provided with shoelace holes, the bottom of the tongue 1 is sewed on the front upper 12, a protective layer 10 close to the shoelace holes is sewed between the side part of the tongue 1 and the upper lining of the upper, and the protective layer 10 in the embodiment is made of soft leather material; the head of the front upper 12 is provided with a crashproof steel ferrule 2 which is glued between the upper surface 6 and the upper lining. A leather pulling part is sewed on the back part of the upper. The top of the upper is a welt 7, the rear part of the welt 7 is provided with an arc-shaped notch 8, the notch can prevent the rear part of the welt and the ankle from rubbing with each other, and the wearing comfort of the rescue shoe is improved.

The rear portion of back group is equipped with the kink, and the kink includes two soft arc strips 18, and arc strip 18 in this embodiment includes the inside lining foam, and the outside parcel of arc strip 18 has soft leather, and arc strip 18 is sewed up on the back group, is equipped with extrusion seam 19 between two arc strips 18, and two arc strips 18 sew up together at the position of extrusion seam 19.

Because the protective layer 10 is sewn between the side part of the tongue 1 and the upper lining of the upper, no gap can be formed between the tongue 1 and the upper, sand and insects can be blocked by the protective layer 10, and therefore the sand or insects are prevented from entering the inside of the shoe from the gap between the side part of the tongue 1 and the upper, and the wearing comfort is improved. The anti-smashing steel toe cap 2 arranged at the head of the front upper 12 can achieve the anti-smashing effect of toes, and the specific connection mode can be preferably selected to be bonding.

In addition, because be equipped with the kink on the back group, so when walking, two arc strips 18 can be close to each other under the effect of shank to the kink on the back group, thereby make the position that the back group was equipped with the kink take place certain bending deformation (promptly the position above the kink can be along extrusion seam 19 downwarping, because the existence of extrusion seam 19 can make the position that the back group was equipped with above the kink take place bending deformation along extrusion seam 19 when down, two arc strips 18 have certain space to be close to each other, make the back group take place the bending and realize more easily, in addition arc strip 18 is softer, so can not cause the position that the back group buckles to break because of deformation). In addition, this scheme is compared prior art, also can cushion the friction of ankle, avoids the back group to take place deformation and wearing and tearing ankle.

Example 2

The embodiment is further improved on the basis of the embodiment 1, the flame retardant is added into the natural cowhide leather of the upper 6, specifically, the flame retardant is added in the vegetable tanning process of leather-to-leather in the embodiment, so as to achieve the flame retardant effect, and magnesium hydroxide or aluminum hydroxide and the like can be selected as the flame retardant, but not limited to the flame retardant. The shoe tongue 1 and the shoe vamp 7 of the shoe upper are both made of foamed polyurethane materials, so that dust and insects can be effectively prevented from entering the shoe, and the comfort degree of wearing the shoe is improved. In addition, the sole 11 comprises an insole 5, a midsole 4 and an outsole 3, the insole 5 is made of high-elastic EAV foaming materials, so that the insole 5 is softer and comfortable to wear, and meanwhile, cotton and hemp materials with bacteriostatic agents are compounded on the upper surface of the insole 5, so that the antibacterial effect is achieved; the middle sole 4 is compounded by more than three layers of high-density aromatic polyamide fiber materials to form a puncture-proof layer, so that a puncture-proof effect is achieved, meanwhile, the middle sole 4 is combined with the outer sole 3 by the polyamide fiber materials and then bent to 90 degrees, and the wearing comfort level is improved; the outsole 3 is formed by thermoplastic molding of thermoplastic polyurethane and rubber through a mold cavity, and substances containing resistance (such as plastic with larger resistance) and barium sulfate are added to achieve the functions of electric insulation and acid and alkali resistance. The rubber layer is wrapped on the outer side of the anti-smashing steel toe cap 2 and is respectively bonded on the upper surface 6 and the inner side, so that the adhesiveness and the insulativity of the anti-smashing steel toe cap and the upper are improved, and the anti-smashing steel toe cap is more comfortable to wear.

Through this embodiment, realized that rescue shoes have fire-retardant, prevent puncture, electric insulation, antiskid, waterproof, acid and alkali-resistance simultaneously and prevent a plurality of functions such as pound, possess the electric insulation that accords with the national standard requirement, antiskid, prevent pounding, prevent puncture, fire-retardant, waterproof, acid and alkali-resistance's safety protection performance, can be adapted to multiple environment, if: 1. under charged environment (insulation); 2. in the environment with chemicals (waterproof, acid and alkali resistant); 3. collapse of mountain, geological disaster, flood, etc. (water proof, smash proof, puncture proof); 4. fire hazard (flame retardant); 5. high altitude rescue (antiskid, crashproof). In addition, the rescue shoes also have the common protection performance of sand prevention, insect prevention and bacteria prevention.

Example 3

Referring to fig. 4, the midsole 4 is modified in this embodiment, the front end and the rear end of the midsole 4 are both provided with the barrier 20, an air duct 22 is connected between the barrier 20 at the front end and the barrier 20 at the rear end of the midsole 4, and the air duct 22 is provided with air holes facing the insole 5. Therefore, when the front sole of the walking person lands on the ground, the front sole extrudes the air in the grid block 20 at the front end of the insole 4, the air flow in the grid block 20 at the front end of the insole 4 flows to the grid block 20 at the rear end of the insole 4 through the air duct 22 after being pressurized, so that the rear sole is blown, and the fatigue degree of the rear sole of the foot is relieved. In addition, in the flowing process of the air, the air can blow the sole of the foot through the ventilation holes, and the defect of dampness in the shoe can be overcome to a certain extent.

Example 4

With reference to fig. 5 to 7, the outsole 3 is improved in this embodiment, with reference to fig. 5, an anti-slip pattern 36 is disposed on the bottom of the outsole 3, the anti-slip pattern 36 is distributed along the width direction of the outsole 3, a plurality of rod cavities 37 are disposed on the bottom of the outsole 3 and distributed along the edge of the right side of the outsole 3, push rods 23 for removing soil in the anti-slip pattern 36 are inserted into the rod cavities 37, connecting rods 24 are bonded to one ends of the push rods 23 located outside the rod cavities 37, and push blocks 25 are disposed on the connecting rods 24, wherein the connecting rods 24 in this embodiment are connected together and adapted to the arc-shaped right side of the outsole 3. The bottom of the outsole 3 is provided with a rod groove so that the connecting rod 24 can be received, so that when the push rod 23 is located in the rod cavity 37, the connecting rod 24 is located in the rod groove, and the connecting rod 24 does not protrude from the bottom of the outsole 3 to hinder normal walking of a person. Referring to fig. 6, a cavity is formed inside the outer sole 3, a rope roller 26 is rotatably connected in the cavity, specifically, rotating shafts are integrally formed at two ends of the rope roller 26, rotating holes are formed at two ends of the cavity, the rotating shafts are rotatably connected in the rotating holes, a torsion spring 27 is arranged between two ends of the rope roller 26 and the inner wall of the cavity, two ends of the torsion spring 27 are respectively bonded on the inner walls of the rope roller 26 and the cavity, and the torsion spring 27 is sleeved on the rotating shafts. The rope roller 26 is wound with a plurality of pulling ropes 28, and one end of each pulling rope 28 far away from the rope roller 26 is adhered to one end of the push rod 23 at the rod cavity 37.

Initially, the push rod 23 is located in the rod cavity 37 at the bottom of the outsole 3, the torsion spring 27 has a certain rotation tendency to the rope roller 26 so that the rope roller 26 winds the pulling rope 28, and the push rod 23 cannot automatically move out of the rod cavity 37 under the pulling of the pulling rope 28, so that people do not worry about that the push rod 23 falls out of the rod cavity 37 when walking.

When a rescue army walks on a muddy road, such as in a flood rescue process, the gaps between the anti-slip patterns 36 are filled with mud due to more mud. After the gaps among the anti-slip patterns 36 are filled with soil, the push block 25 can be manually pushed, the push block 25 drives the connecting rod 24 to move, the connecting rod 24 drives the push rod 23 to move out of the rod cavity 37, the moved push rod 23 is located in the gaps among the anti-slip patterns 36, then the push rod 23 is pushed, the push rod 23 moves to the left end from the right end of the anti-slip patterns 36 in the figure 5, the push rod 23 moves in the gaps among the anti-slip patterns 36, and the push rod 23 removes the soil in the gaps among the anti-slip patterns 36, so that the soil in the gaps among the anti-slip patterns 36 is quickly cleaned, and the anti-slip capability of the rescue shoe is ensured. Meanwhile, in the moving process of the push rod 23, the push rod 23 pulls the pull rope 28, the pull rope 28 drives the rope roller 26 to rotate, the rope roller 26 enables the torsion spring 27 to store force, and the elasticity of the torsion spring 27 is larger. After soil is removed, the push rod 23 is released, the rope roller 26 reversely rotates under the elastic force of the torsion spring 27, the rope roller 26 winds the pull rope 28, the pull rope 28 pulls the push rod 23 to move from the left end to the right end of the anti-slip pattern 36 in fig. 5, then the push rod 23 is manually aligned with the rod cavity 37, and the push rod 23 is inserted into the rod cavity 37, so that the reset of the push rod 23 is realized. Through this embodiment, after antiskid pattern 36's clearance is plugged up by earth, this rescue shoes of accessible are rejected earth from the push rod 23 of taking, compare and use the branch to reject the earth in antiskid pattern 36, and the speed that earth was clear away is faster, once only can be disposed of the earth in whole antiskid pattern 36, and easy operation is convenient, save time.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various changes and modifications without departing from the concept of the present invention, and these should be construed as the scope of protection of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent. The techniques, shapes, and structural parts, which are omitted from the description of the present invention, are all known techniques.

Claims

1. The utility model provides a rescue shoes with multi-functional guard action, includes upper and sole, the upper includes group's face and group's lining, and the upper divide into preceding group and back group, its characterized in that: the rear part of the rear upper is provided with a bent part, the bent part comprises two soft arc-shaped strips, and an extrusion seam is arranged between the two arc-shaped strips; the sole comprises an inner sole, an inner sole and an outer sole, wherein anti-skid patterns are arranged at the bottom of the outer sole and are distributed along the width direction of the outer sole, a plurality of rod cavities distributed along the edge of one side of the outer sole are arranged at the bottom of the outer sole, push rods used for removing soil in the anti-skid patterns are arranged in the rod cavities, one end of each push rod, which is positioned at the outer side of each rod cavity, is connected with a connecting rod, and a push block is arranged on each connecting rod; the novel shoe sole is characterized in that a cavity is formed in the outer sole, a rope roller is rotationally connected in the cavity, a torsion spring is arranged between the two ends of the rope roller and the inner wall of the cavity, a plurality of pull ropes are wound on the rope roller, and one ends, far away from the rope roller, of the pull ropes are fixedly connected to one end, located in the rod cavity, of the push rod.

2. The rescue shoe with the multifunctional protection function as claimed in claim 1, characterized in that: the arced strip includes a lining foam.

3. The rescue shoe with the multifunctional protection function as claimed in claim 1, characterized in that: the shoe comprises a shoe body and is characterized by further comprising a shoe tongue, wherein the bottom of the shoe tongue is fixedly connected to a front upper, shoe uppers are provided with shoe lace holes, and a protective layer close to the shoe lace holes is fixedly connected between the side portion of the shoe tongue and the shoe uppers.

4. The rescue shoe with the multifunctional protection function as claimed in claim 1, characterized in that: the head of the front upper is provided with a smashing-proof steel toe cap positioned between the upper surface and the inner side.

5. The rescue shoe with the multifunctional protection function as claimed in claim 3, characterized in that: the upper surface is made of cow leather, and flame retardant is added into the cow leather; foamed polyurethane materials are adopted on the shoe tongues and the shoe uppers; the inner sole is made of high-elasticity EAV foaming materials, the inner sole is formed by compounding high-density aromatic polyamide fiber materials, the outer sole is formed by thermoplastic molding of thermoplastic polyurethane and rubber through a mold cavity, and the outer sole contains resistance substances and barium sulfate substances.

6. The rescue shoe with the multifunctional protection function as claimed in claim 5, characterized in that: the surface of the inner bottom is compounded with cotton and hemp materials with bacteriostat.

7. The rescue shoe with the multifunctional protection function as claimed in claim 4, characterized in that: the outer side of the anti-smashing steel ferrule is wrapped with a rubber layer.

8. The rescue shoe with the multifunctional protection function as claimed in claim 5, characterized in that: the front end and the rear end of the insole are both provided with a check block, an air channel is connected between the check block at the front end of the insole and the check block at the rear end of the insole, and air holes facing the inner bottom are formed in the air channel.