CN107136642B

CN107136642B - Speed-increasing health-care insole for teenager exercise

Info

Publication number: CN107136642B
Application number: CN201710567525.7A
Authority: CN
Inventors: 唐潇
Original assignee: Dongguan Shunfeng Sports Equipment Co ltd
Current assignee: Dongguan Shunfeng Sports Equipment Co ltd
Priority date: 2017-07-12
Filing date: 2017-07-12
Publication date: 2022-08-26
Anticipated expiration: 2037-07-12
Also published as: CN107136642A

Abstract

The invention discloses a speed-increasing health-care insole for teenagers, which comprises an insole body, wherein the insole body sequentially comprises a first bamboo charcoal fiber layer, a first polyurethane foam layer, a damping cushion layer, a second polyurethane foam layer and a second bamboo charcoal fiber layer from top to bottom; the shock absorption pad layer comprises a first shock absorption pad and a second shock absorption pad, the first polyurethane foam layer is jacked up respectively, and then the first bamboo charcoal fiber layer is jacked up by the first polyurethane foam layer, so that a half sole inner side convex area, an arch part inner side convex area, a toe part concave area, a heel part concave area, a half sole outer side convex area, an arch part outer side convex area and a concave area are formed on the upper side of the insole body. The insole has small hardness difference with the sole, is suitable for the growth of the feet of teenagers, is firmly attached to the feet, is not easy to slide, can realize the acceleration of sports, has strong shock absorption and foot protection effects, can relieve stress fatigue generated by sports and walking, effectively improves flat feet, and has good perspiration and exhaust effects.

Description

Speed-increasing health-care insole for teenager exercise

Technical Field

The invention relates to an insole, in particular to a speed-increasing health-care insole for teenagers.

Background

For teenagers to wear shoes, the shoe not only relates to the wearing comfort, but also plays a key role in the comfort and sanitation of feet and the blood circulation of the whole body, particularly the development of the feet and the body. For a long time, in order to promote healthy growth and sport acceleration of feet of teenagers, designers strive to continuously improve the comfort, sport acceleration and health care of sports shoes, but often neglect the research and design of insoles. When a teenager wears shoes, a traditional insole is usually inserted, the structure of the traditional insole is formed by sewing multiple layers of cloth or pressing multiple layers of leather, the traditional insole has certain softness and buffering and damping effects, and basically meets the requirements of ordinary people for walking and wearing the shoes in sports, but for the teenager to wear the shoes, the traditional insole has the following defects: firstly, the hardness difference between the traditional insole and the sole is large, and the insole which is too hard and too soft is not suitable for the growth of the feet of teenagers; secondly, when the traditional insole is used, the foot is not stably attached to the insole, and the foot is easy to slide in the shoe during sports, so that the sports acceleration is difficult to realize; thirdly, the functions of shock absorption and foot protection are poor, the impact force on the sole is large during exercise, the traditional insole is difficult to absorb the impact force on the foot skeleton during walking and exercise, and the sole skeleton, ankle joint and knee joint are difficult to protect; fourthly, the traditional insole has no effect on the arch part of the foot, can not relieve the fatigue of the foot and can not improve the problem of flat feet of teenagers; fifthly, the traditional insole has poor perspiration and exhaust effects, and the interior of the shoe is easy to be wet, slippery and smelly.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a sports acceleration health-care insole for teenagers aiming at the defects of the prior art, the insole has small hardness difference with the soles, is suitable for the growth of the feet of the teenagers, is firmly attached to the feet, is not easy to slide, can realize sports acceleration, has strong shock absorption and foot protection effects, can relieve stress fatigue generated by sports, walking and standing, effectively improves flatfoot, and has good perspiration and exhaust effects.

In order to solve the technical problems, the technical scheme of the invention is as follows: a speed-increasing health-care insole for teenagers comprises an insole body, wherein the insole body sequentially comprises a first bamboo charcoal fiber layer, a first polyurethane foam layer, a damping cushion layer, a second polyurethane foam layer and a second bamboo charcoal fiber layer from top to bottom; the shock absorption cushion layer comprises a first shock absorption cushion and a second shock absorption cushion, wherein the first shock absorption cushion is arranged at the positions corresponding to the inner side of the half sole and the inner side of the arch part of the foot of the human body, and the positions corresponding to the toe part and the heel part of the foot of the human body are absent; the second shock pad is arranged at the position corresponding to the outer side of the half sole and the outer side of the arch part of the foot of the human body, and the position corresponding to the toe part of the foot of the human body is lost; the insole is characterized in that a groove penetrating from the front end of the insole to the rear end of the insole is formed between the first shock pad and the second shock pad, the first polyurethane foam layer is jacked up by the first shock pad and the second shock pad respectively, the first bamboo charcoal fiber layer is jacked up by the first polyurethane foam layer, a half sole inner convex area, an arch part inner convex area, a toe part concave area and a heel part concave area corresponding to the first shock pad are formed on the upper side of the insole body, a half sole outer convex area and an arch part outer convex area corresponding to the second shock pad are formed on the upper side of the insole body, a concave belt corresponding to the groove is formed on the upper side of the insole body, and the arch part inner convex area is higher than the half sole inner convex area.

As a further elaboration of the invention:

preferably, the thickness of the first bamboo charcoal fiber layer is 0.5-1.0 mm, the thickness of the first polyurethane foam layer is 1.5-5.5 mm, the thickness of the first shock pad corresponding to the inner side of the half sole of the foot of the human body is 2.0-5.5 mm, the thickness of the first shock pad corresponding to the inner side of the arch of the foot of the human body is 4.5-12.5 mm, the thickness of the second shock pad is 2.0-5.5 mm, the thickness of the second polyurethane foam layer is 2.0-8.0 mm, and the thickness of the second bamboo charcoal fiber layer is 0.5-1.0 mm.

Preferably, the insole comprises a front sole of the insole, a middle waist of the insole and a heel of the insole in sequence from the front end to the rear end of the insole body, wherein the middle waist of the insole and the heel of the insole are both provided with outer edges which are tilted upwards.

The first bamboo charcoal fiber layer and the second bamboo charcoal fiber layer are of the same formula and preparation method, and both comprise the following components in parts by weight: 5-10 parts of agilawood bark fiber, 60-90 parts of nano bamboo charcoal fiber, 0.1-5 parts of acetate fiber, 1-5 parts of nylon cotton, 1-3 parts of hydroxypropyl cellulose, 0.1-1 part of glycerol, 0.1-0.5 part of chitosan quaternary ammonium salt, 0.5-2 parts of chitin and 1-3 parts of cyperus rotundus powder.

Preferably, the first bamboo charcoal fiber layer and the second bamboo charcoal fiber layer comprise the following components in parts by weight: 6-10 parts of agilawood bark fiber, 80-90 parts of nano bamboo charcoal fiber, 1-5 parts of acetate fiber, 2-4 parts of nylon cotton, 1-3 parts of hydroxypropyl cellulose, 0.1-1 part of glycerol, 0.1-0.4 part of chitosan quaternary ammonium salt, 1-2 parts of chitin and 1-3 parts of cyperus rotundus powder.

The first bamboo charcoal fiber layer and the second bamboo charcoal fiber layer comprise the following components in parts by weight: 8 parts of agilawood bark fiber, 82 parts of nano bamboo charcoal fiber, 2 parts of acetate fiber, 3 parts of nylon cotton, 2 parts of hydroxypropyl cellulose, 0.6 part of glycerol, 0.2 part of chitosan quaternary ammonium salt, 1.2 parts of chitin and 2 parts of cyperus rotundus powder.

The shock absorption cushion layer is made of thermoplastic raw materials, wherein the thermoplastic raw materials comprise 80-90 parts by weight of TPU; 2-5 parts of a toughening agent; 5-10 parts of a coupling agent; 3-5 parts of nano silver antibacterial agent.

The toughening agent is maleic anhydride grafted high-molecular elastomer and is selected from one of POE-g-MAH, EPDM-g-MAH, TPU-g-MAH, SEBS-g-MAH and NBR-g-MAH.

The coupling agent is styrene-acrylonitrile-methacrylic acid glyceride.

The preparation method of the shock absorption cushion layer comprises the following steps: 1) injecting a thermoplastic raw material into an injection mold through an injection molding process, respectively forming an upper shock pad sheet and a lower shock pad sheet in two forming spaces of the injection mold after the thermoplastic raw material is cooled, and respectively forming a support structure with a changeable appearance, wherein the support structure can be designed and changed according to the stress points of the bottoms of feet of different sports items; 2) opening the die, and demolding the manufactured upper shock pad piece and the lower shock pad piece; 3) Adding an air nozzle on the upper piece or the lower piece of the shock pad; 4) Aligning the upper piece and the lower piece of the shock pad, and sewing the upper piece and the lower piece together with the air faucet by high-frequency hot melting; 5) cutting off leftover materials; and preparing the shock absorption cushion layer.

The invention has the beneficial effects that: firstly, the hardness difference between the bamboo charcoal fiber layer and the skin on the sole of the foot is small, so that teenagers feel comfortable on the foot, and the hardness of the whole insole can be moderate by combining the first polyurethane foam layer and the second polyurethane foam layer, so that the foot growth of the teenagers is facilitated; secondly, the first polyurethane foam layer is jacked up through the first shock absorption pad and the second shock absorption pad, and then the first bamboo charcoal fiber layer is jacked up through the first polyurethane foam layer, so that a palm inner side convex area, an arch part inner side convex area, a toe part concave area, a heel part concave area, a palm outer side convex area, an arch part outer side convex area and a concave belt are formed on the upper side of the insole body, therefore, the toes of teenagers have a ground-holding force, the insole is firmly attached to the feet and is not easy to slide, and the movement acceleration can be realized; the first shock absorption pad and the second shock absorption pad have good elasticity and moderate hardness, so that impact force generated on foot bones in walking and moving processes can be effectively absorbed, and foot bones, ankle joints and knee joints are protected; fourthly, the convex area on the inner side of the arch part can be attached to the arch of the foot, so that the fatigue of the foot can be relieved, and the problem of flatfoot of teenagers is solved; fifthly, the bamboo charcoal fiber layer has the characteristics of moisture absorption, ventilation, bacteriostasis, antibiosis and environmental protection, and the interior of the shoe is not easy to be wet, slippery and smelly.

Seventhly, the bamboo charcoal fiber layer comprises chitosan quaternary ammonium salt, natural antibacterial agent chitin and rhizoma cyperi powder. The chitosan quaternary ammonium salt has excellent antibacterial property and hygroscopicity, good compatibility and biodegradability; the chitin has natural bacteriostatic effect and high broad-spectrum antibacterial rate; the cyperus rotundus powder also has excellent antibacterial and antiviral capabilities. The three compositions greatly improve the antibacterial and bacteriostatic effects of the bamboo charcoal fiber layer.

And eighthly, the internal shape and the structure of the shock absorption cushion layer are respectively designed and injection-molded by the upper shock absorption cushion sheet and the lower shock absorption cushion sheet according to the sole stress points of different sports events, the appearance is changeful, and the shock absorption cushion layer is high in stability after being subjected to high-frequency hot melting sewing.

Drawings

FIG. 1 is a schematic view of a dispersion structure according to the present invention.

FIG. 2 is a second schematic view of the dispersion structure of the present invention.

Fig. 3 is a schematic view of the overall structure of the upper side of the present invention.

Fig. 4 is a schematic view of the overall structure of the lower side of the present invention.

In the figure: 100. an insole body; 1. a first bamboo charcoal fiber layer; 11. a raised area on the inner side of the half sole; 12. an arch portion medial convex region; 13. a toe depression area; 14. the foot root fovea area; 15. a raised area outside the forefoot; 16. a raised area outside the arch portion; 17. a concave belt; 2. a first polyurethane foam layer; 3. a shock absorbing cushion layer; 31. a first cushion pad; 32. a second cushion pad; 33. a trench; 4. a second polyurethane foam layer; 5. a second bamboo charcoal fiber layer; 6. the half sole of the insole; 7. insole middle waist; 8. the heel of the insole; 71. outer edge 81.

Detailed Description

The structural and operational principles of the present invention are explained in further detail below with reference to the accompanying drawings.

As shown in fig. 1 to 4, the present invention relates to a health care insole for increasing speed of teenagers' sports, which comprises an insole body 100, wherein the insole body comprises a first bamboo charcoal fiber layer 1, a first polyurethane foam layer 2, a cushion layer 3, a second polyurethane foam layer 4 and a second bamboo charcoal fiber layer 5 in sequence from top to bottom; the shock absorption pad layer 3 comprises a first shock absorption pad 31 and a second shock absorption pad 32, wherein the first shock absorption pad 31 is arranged at a position corresponding to the inner side of the front sole and the inner side of the arch part of the foot of the human body, and the positions corresponding to the toe part and the heel part of the foot of the human body are absent; the second shock pad 32 is arranged at the position corresponding to the outer side of the half sole and the outer side of the arch part of the foot of the human body, and the position corresponding to the toe part of the foot of the human body is absent; a groove 33 penetrating from the front end of the insole to the rear end of the insole is formed between the first shock pad 31 and the second shock pad 32, the first polyurethane foam layer 2 is respectively jacked up by the first shock pad 31 and the second shock pad 32, the first bamboo charcoal fiber layer 1 is jacked up by the first polyurethane foam layer 2, a convex area 11 on the inner side of the front sole, a convex area 12 on the inner side of the arch part, a concave area 13 on the lower part of the toe part and a concave area 14 on the lower part of the heel part corresponding to the first shock pad 31 are formed on the upper side of the insole body 100, a convex area 15 on the outer side of the front sole and a convex area 16 on the outer side of the foot part corresponding to the second shock pad 32 are formed on the upper side of the insole body 100, a concave band 17 corresponding to the groove 33 is formed on the upper side of the insole body 100, and the convex area 12 on the inner side of the arch part is higher than the convex area 15 on the inner side of the front sole.

As shown in fig. 1 to 4, the thickness of the first bamboo charcoal fiber layer is 0.5 to 1.0 mm, preferably 0.75 to 0.85 mm; the thickness of the first polyurethane foam layer is 1.5-5.5 mm, and preferably 3.0-4.0 mm; the thickness of the first shock pad corresponding to the inner side of the half sole of the foot of the human body is 2.0-5.5 mm, and preferably 2.5-4.0 mm; the thickness of the first shock pad corresponding to the inner side of the arch part of the human body is 4.5-12.5 mm, and preferably 5.5-10.5 mm; the thickness of the second shock pad is 2.0-5.5 mm, and preferably 3.0-4.0 mm; the thickness of the second polyurethane foam layer is 2.0-8.0 mm, and preferably 3.5-4.5 mm; the thickness of the second bamboo charcoal fiber layer is 0.5-1.0 mm, preferably 0.75-0.85 mm. The bamboo charcoal fiber layer has the characteristics of moisture absorption, ventilation, bacteriostasis, antibiosis, warmness in winter and coolness in summer, and environmental protection; the first polyurethane foam layer and the second polyurethane foam layer have the functions of environmental protection, easy degradation, ventilation, deodorization and perspiration; first shock pad and second shock pad adopt the ripples dragon shock pad, have outstanding shock-absorbing function.

As shown in fig. 1 to 4, the insole body 100 comprises an insole half sole 6, an insole middle waist 7 and an insole heel 8 in sequence from the front end to the rear end, wherein the insole middle waist 7 and the insole heel 8 are both provided with

outer edges

71 and 81 which are raised upwards, so that the insole can effectively guide the feet to correctly reset when falling to the ground each time, and ensure that the stress of the soles is transmitted to the leg bones along the correct direction during walking and sports.

The gait test and joint injury experimental data of the adolescent exercise acceleration health-care insole are as follows:

1. the health-care insole for increasing the speed of the adolescent movement provides a good gait, improves the gait by more than 44 percent for the people with the foot valgus and the hindfoot diseases, and reduces the muscle fatigue in long-time activities.

2. When the insole is used for walking, the injury of ankle joints of the teenagers is reduced, 12.6% of ankle joint vibration is reduced, and the reduction of the ankle joint vibration can reduce joint pain in long-time activities such as walking, running and the like.

3. When the insole is used for walking, the injury of knee joints of teenagers is reduced by the insole, 17.2% of ankle joint vibration is reduced, and the reduction of the ankle joint vibration can reduce joint pain in long-time activities such as walking, running and the like.

4. When walking, the juvenile exercise speed-increasing health-care insole reduces the injury of the waist area, reduces the elbow joint vibration by 5.3 percent, and reduces the risk of pain of the waist area during long-time activity, such as walking, running and the like.

Example 1:

preparing a first bamboo charcoal fiber layer and a second bamboo charcoal fiber layer:

weighing the following components in parts by weight: 8kg of agilawood bark fiber, 82 kg of nano bamboo charcoal fiber, 2 kg of acetate fiber, 3 kg of nylon cotton, 2 kg of hydroxypropyl cellulose, 0.6 kg of glycerol, 0.2 kg of chitosan quaternary ammonium salt, 1.2 kg of chitin and 2 kg of cyperus rotundus powder. Spinning to obtain a first bamboo charcoal fiber layer and a second bamboo charcoal fiber layer.

Other structural components of the insole are made from existing materials by conventional methods.

Example 2

The preparation method of the shock absorption cushion layer comprises the following steps: 1) injecting a thermoplastic raw material into an injection mold through an injection molding process, respectively forming an upper shock pad sheet and a lower shock pad sheet in two forming spaces of the injection mold after the thermoplastic raw material is cooled, and respectively forming a support structure with a changeable appearance, wherein the support structure can be designed and changed according to the stress points of the bottoms of feet of different sports items; 2) opening the die, and demolding the manufactured upper shock pad piece and the lower shock pad piece; 3) Adding an air nozzle on the upper piece or the lower piece of the shock pad; 4) Aligning the upper piece and the lower piece of the shock pad, and sewing the upper piece and the lower piece together with the air faucet by high-frequency hot melting; 5) cutting off leftover materials; and (5) preparing the shock absorption cushion layer.

Example 3

The first bamboo charcoal fiber layer was prepared as in example 1, and other structural components of the insole were made of existing materials by a common method.

Example 4

The first bamboo charcoal fiber layer is as in example 1, the shock absorbing pad layer is as in example 2, and other structural components of the insole are made of the existing materials by a common method.

Example 5

Shock-absorbing pad layer as in example 2, other structural components of the insole were made of existing materials by a general method.

Example 6

The first bamboo charcoal fiber layer and the second bamboo charcoal fiber layer are as in example 1, the shock absorption cushion layer is as in example 2, and other structural components of the insole are made of the existing materials by a common method.

Comparing the shoe inserts prepared in examples 1 to 6 with those obtained by a conventional method using the existing materials as all the parts, it was found that the antibacterial properties of examples 1, 3, 4 and 6 were significantly superior to those of examples 2 and 5 and the shoe inserts obtained by a conventional method using the existing materials, particularly the shoe insert of example 6, and no Staphylococcus aureus and Escherichia coli were observed even after 3 months of use. While the examples 2, 4, 6 have significant advantages in terms of durability and elasticity.

The above description is only a preferred embodiment of the present invention, and all the minor modifications, equivalent changes and modifications made to the above embodiment according to the technical solution of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A teenagers' motion acceleration rate health shoes pad, includes the shoe pad body, its characterized in that: the insole body sequentially comprises a first bamboo charcoal fiber layer, a first polyurethane foam layer, a shock absorption cushion layer, a second polyurethane foam layer and a second bamboo charcoal fiber layer from top to bottom; the shock absorption cushion layer comprises a first shock absorption cushion and a second shock absorption cushion, wherein the first shock absorption cushion is arranged at a position corresponding to the inner side of the half sole and the inner side of the arch part of the foot of a human body, and the positions corresponding to the toe part and the heel part of the foot of the human body are absent; the second shock pad is arranged at the position corresponding to the outer side of the half sole and the outer side of the arch part of the foot of the human body, and the position corresponding to the toe part of the foot of the human body is lost; a groove penetrating from the front end of the insole to the rear end of the insole is formed between the first shock absorption pad and the second shock absorption pad, the first polyurethane foam layer is jacked up by the first shock absorption pad and the second shock absorption pad respectively, the first bamboo charcoal fiber layer is jacked up by the first polyurethane foam layer, a front sole inner side convex area, an arch part inner side convex area, a toe part concave area and a heel part concave area which correspond to the first shock absorption pad are formed on the upper side of the insole body, a front sole outer side convex area and an arch part outer side convex area which correspond to the second shock absorption pad are formed on the upper side of the insole body, a concave belt corresponding to the groove is formed on the upper side of the insole body, and the arch part inner side convex area is higher than the front sole inner side convex area.

2. The juvenile sport speed-increasing health care insole according to claim 1, characterized in that: the thickness of the first bamboo charcoal fiber layer is 0.5-1.0 mm, the thickness of the first polyurethane foam layer is 1.5-5.5 mm, the thickness of the first shock pad corresponding to the inner side of the front sole of the foot of a human body is 2.0-5.5 mm, the thickness of the first shock pad corresponding to the inner side of the arch of the foot of the human body is 4.5-12.5 mm, the thickness of the second shock pad is 2.0-5.5 mm, the thickness of the second polyurethane foam layer is 2.0-8.0 mm, and the thickness of the second bamboo charcoal fiber layer is 0.5-1.0 mm.

3. The juvenile sport speed-increasing health care insole according to claim 2, characterized in that: the thickness of the first bamboo charcoal fiber layer is 0.75-0.85 mm, the thickness of the first polyurethane foam layer is 3.0-4.0 mm, the thickness of the first shock pad corresponding to the inner side of the half sole of a human foot is 2.5-4.0 mm, the thickness of the first shock pad corresponding to the inner side of the arch of the human foot is 5.5-10.5 mm, the thickness of the second shock pad is 3.0-4.0 mm, the thickness of the second polyurethane foam layer is 3.5-4.5 mm, and the thickness of the second bamboo charcoal fiber layer is 0.75-0.85 mm.

4. The juvenile exercise speed-increasing health-care insole according to any one of claims 1 to 3, characterized in that: from the front end to the rear end of shoe-pad body, include shoe-pad half sole, shoe-pad waist and shoe-pad heel in proper order, wherein, shoe-pad waist and shoe-pad heel all are provided with the outer fringe of upwards perk.

5. The juvenile sport speed-increasing health care insole according to claim 1, characterized in that: the first bamboo charcoal fiber layer and the second bamboo charcoal fiber layer are of the same formula and preparation method, and both comprise the following components in parts by weight: 5-10 parts of agilawood bark fiber, 60-90 parts of nano bamboo charcoal fiber, 0.1-5 parts of acetate fiber, 1-5 parts of nylon cotton, 1-3 parts of hydroxypropyl cellulose, 0.1-1 part of glycerol, 0.1-0.5 part of chitosan quaternary ammonium salt, 0.5-2 parts of chitin and 1-3 parts of cyperus rotundus powder.

6. The juvenile sport speed-increasing health care insole according to claim 5, characterized in that: the first bamboo charcoal fiber layer and the second bamboo charcoal fiber layer comprise the following components in parts by weight: 6-10 parts of agilawood bark fiber, 80-90 parts of nano bamboo charcoal fiber, 1-5 parts of acetate fiber, 2-4 parts of nylon cotton, 1-3 parts of hydroxypropyl cellulose, 0.1-1 part of glycerol, 0.1-0.4 part of chitosan quaternary ammonium salt, 1-2 parts of chitin and 1-3 parts of cyperus rotundus powder.

7. The juvenile sport speed-increasing health care insole according to claim 5, characterized in that: the first bamboo charcoal fiber layer and the second bamboo charcoal fiber layer comprise the following components in parts by weight: 8 parts of agilawood bark fiber, 82 parts of nano bamboo charcoal fiber, 2 parts of acetate fiber, 3 parts of nylon cotton, 2 parts of hydroxypropyl cellulose, 0.6 part of glycerol, 0.2 part of chitosan quaternary ammonium salt, 1.2 parts of chitin and 2 parts of cyperus rotundus powder.

8. The juvenile sport speed-increasing health care insole according to claim 1, characterized in that: the shock absorption cushion layer is made of thermoplastic raw materials, wherein the thermoplastic raw materials comprise 80-90 parts by weight of TPU; 2-5 parts of a toughening agent; 5-10 parts of a coupling agent; 3-5 parts of nano silver antibacterial agent.

9. The juvenile sport acceleration rate health care insole of claim 8, characterized in that: the toughening agent is maleic anhydride grafted high-molecular elastomer and is selected from one of POE-g-MAH, EPDM-g-MAH, TPU-g-MAH, SEBS-g-MAH and NBR-g-MAH; the coupling agent is styrene-acrylonitrile-methacrylic acid glyceride.

10. The juvenile sport acceleration rate health care insole of claim 8, characterized in that: the preparation method of the shock absorption cushion layer comprises the following steps: 1) injecting a thermoplastic raw material into an injection mold through an injection molding process, respectively forming an upper shock pad sheet and a lower shock pad sheet in two forming spaces of the injection mold after the thermoplastic raw material is cooled, and respectively forming a support structure with a changeable appearance, wherein the support structure can be designed and changed according to the stress points of the bottoms of feet of different sports items; 2) opening the die, and demolding the manufactured upper shock pad piece and the lower shock pad piece; 3) Adding an air nozzle on the upper piece or the lower piece of the shock pad; 4) Aligning the upper piece and the lower piece of the shock pad, and sewing the upper piece and the lower piece together with the air faucet by high-frequency hot melting; 5) cutting off leftover materials; the cushion as claimed in claim 8 is obtained.