Shoe body made of biodegradable material

The biodegradable shoe design addresses mechanical weaknesses by incorporating a durable connection layer and interchangeable sole structure, enhancing durability and usability in outdoor environments.

CN120304607APending Publication Date: 2025-07-15WENZHOU XUDA SHOES IND CO LTD
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Patent Information

Application Number
CN202510738372.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-04
Publication Date
2025-07-15

AI Technical Summary

Technical Problem

Shoes with biodegradable materials have low mechanical strength and are prone to wear, crack or deform, especially in harsh environments, and the soles are easily pierced by stones or sharp objects and cannot be repaired.

Method used

The design of wear-resistant protective components, seals and jamming parts is combined with a bio-based polyamide connection layer and elastic plastic cushion, sole protection and breathability are enhanced through a removable sole layer and wear-resistant layer.

Benefits of technology

Improves the mechanical strength and service life of biodegradable shoes, prevents wear and puncture, extends usage time, and supports replacement of the sole and wear-proof layer according to needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of degradable shoes, and provides a biodegradable material shoe body which comprises a vamp, and a connecting assembly is arranged at the bottom end of the vamp; the sole layer is aligned with the bottom end of the connecting layer, and the connecting clamping block is provided with the elastic plastic, so that when the connecting clamping block is inserted, the connecting clamping block slightly deforms and is plugged into the clamping groove, the sealing ring also enters the connecting groove, and the sealing ring seals the connecting layer and the sole layer, so that dust and liquid are prevented from entering the connecting layer and the sole layer; then the lead screw is taken to be inserted into the storage groove, the rotating head is rotated to enable the lead screw to enter the first pipe sleeve and finally penetrate through the first pipe sleeve and the second pipe sleeve, the rotating head enters the storage groove to be stored, the connecting clamping block is fixed at the moment, the shoe sole layer is installed at the moment, and during use, the shoe sole layer can protect the bottom end of the connecting layer, direct abrasion of the connecting layer is reduced, and the service life of the shoe sole layer is prolonged. The loss of the biodegradable material is delayed, and different sole layers can be replaced according to requirements, so that the height increasing requirements of people can be met.
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Description

Technical Field

[0001] The present invention relates to the technical field of degradable shoes, and particularly to a shoe body made of a biodegradable material. Background Art

[0002] A shoe body made of a biodegradable material refers to a shoe body structure made of natural or bio-based polymer materials as the core raw materials. Its characteristic is that it can be completely decomposed into water, carbon dioxide and organic matter through the action of microorganisms under specific industrial composting conditions, avoiding the long-term environmental pollution caused by the abandonment of traditional petroleum-based shoe materials. Such shoes usually use renewable resources as raw materials, taking into account carbon reduction and degradability.

[0003] However, in the prior art, compared with traditional plastic or synthetic materials, the mechanical strength of shoes made of biodegradable materials is lower. After long-term wearing, they are prone to wear, cracking or deformation. If walking on a harsh road surface after wearing, stones or sharp objects are likely to pierce and damage the sole, and the damaged position of the sole cannot be repaired, resulting in a reduction in the sole's protection function and a significant reduction in service life. Therefore, the applicability of shoes made of biodegradable materials in outdoor scenarios is poor. Summary of the Invention

[0004] The purpose of the present invention is to solve the problem that in the prior art, compared with traditional plastic or synthetic materials, the mechanical strength of shoes made of biodegradable materials is lower. After long-term wearing, they are prone to wear, cracking or deformation. If walking on a harsh road surface after wearing, stones or sharp objects are likely to pierce and damage the sole, and the damaged position of the sole cannot be repaired, resulting in a reduction in the sole's protection function and a significant reduction in service life. Therefore, the applicability of shoes made of biodegradable materials in outdoor scenarios is poor.

[0005] To achieve the above purpose, the present invention adopts the following technical solution: A shoe body made of a biodegradable material, including a shoe upper. A connecting component is arranged at the bottom end of the shoe upper. A protection structure is arranged at the bottom end of the connecting component. The protection structure includes a wear-resistant protection component, a sealing ring and a clamping component. The sealing ring is located outside the top end of the wear-resistant protection component. The clamping component is located in the middle of the top end of the wear-resistant protection component. A shoe tongue is arranged in the middle of the top end of the shoe upper. Lacing grooves are arranged at equal intervals on both sides of the shoe upper where the shoe tongue is located. Ventilation grooves are arranged on both sides and at the top of one end of the shoe upper. An insole is arranged at the bottom end inside the shoe upper. When wearing, put the foot into the inside of the shoe upper, straighten the shoe tongue neatly, pass the shoelaces through the lacing grooves, and finally tie the shoelaces. At this time, the wearing of the shoe upper is completely finished. And during the wearing and walking process, the ventilation grooves can achieve the ventilation effect.

[0006] As a preferred embodiment, the connecting component includes a connecting layer fixed to the bottom end of the shoe upper. The connecting layer and the shoe upper are made of bio-based polyamide. A connecting groove is formed on the outer side of the bottom end of the connecting layer, and the connecting groove is clamped with a sealing ring. A plurality of clamping grooves are formed at the bottom end of the connecting layer, and the clamping grooves gradually decrease from top to bottom. Storage grooves are formed in an annular array on the outer side of the connecting layer, and the storage grooves are aligned with one side of the clamping grooves. The clamping grooves are used for clamping a connecting block for connection, and the storage grooves are used for storing the rotating head to prevent the rotating head from protruding and contacting external objects and being damaged.

[0007] As a preferred embodiment, a rotating head is rotatably connected inside the storage groove. A first pipe sleeve is fixedly connected inside the connecting layer at the position of the storage groove. The first pipe sleeve penetrates through the connecting layer and communicates with the storage groove and the clamping groove. A lead screw is fixedly connected to one side of the rotating head close to the first pipe sleeve, and the lead screw is threadedly connected with the first pipe sleeve. One end of the lead screw away from the rotating head threadedly penetrates through the side of the clamping groove away from the rotating head. Take the lead screw and insert it into the storage groove, and rotate the rotating head to make the lead screw enter the first pipe sleeve, and finally pass through the first pipe sleeve and the second pipe sleeve. The rotating head enters the storage groove for storage, and at this time, the connecting block is fixed.

[0008] As a preferred embodiment, a plurality of first springs are arranged on the outer side of the first pipe sleeve inside the connecting layer, and the first springs are arranged in different directions respectively. The first springs and the second springs are fixedly embedded inside the shoe upper and inside the connecting block, and cooperate with the elasticity of the connecting layer and the shoe sole layer to effectively shock-absorb and protect the first pipe sleeve and the second pipe sleeve, and avoid breakage of the first pipe sleeve and the second pipe sleeve and damage to the lead screw when the shoe sole layer is unevenly pressed.

[0009] As a preferred embodiment, the wear-resistant protection component includes a shoe sole layer, and the shoe sole layer is clamped at the bottom end of the connecting layer. The outer side of the top end of the shoe sole layer is fixedly connected with a sealing ring, and the staff aligns the shoe sole layer with the bottom end of the connecting layer.

[0010] As a preferred embodiment, the clamping member includes a plurality of connecting blocks, and the connecting blocks are fixed to the top end of the shoe sole layer. The appearance of the connecting blocks gradually becomes smaller from top to bottom and fits with the clamping grooves. The connecting blocks are made of elastic plastic. The connecting blocks are clamped inside the clamping grooves. Insert the connecting blocks into the clamping grooves. Since the connecting blocks are made of elastic plastic, when inserting the connecting blocks, the connecting blocks can be slightly deformed and stuffed into the clamping grooves. When the connecting blocks completely enter the clamping grooves, the sealing ring also enters the connecting groove, and the sealing ring seals between the connecting layer and the shoe sole layer to prevent dust and liquid from entering the connecting layer and the shoe sole layer.

[0011] As a preferred embodiment, a second sleeve is fixedly connected to the middle of the top end of the connecting block. The second sleeve penetrates through the connecting block and is threadedly connected to the lead screw. A plurality of second springs are arranged at the bottom end of the connecting block on the second sleeve. Then, the connecting block is fixed by the lead screw. At this time, the installation of the shoe sole layer is completed. During use, the shoe sole layer can protect the bottom end of the connecting layer, reduce the direct wear of the connecting layer, delay the loss of the biodegradable material, and replace the shoe sole layer with different thicknesses according to needs to meet the needs of people to increase height.

[0012] As a preferred embodiment, first anti-slip grooves are formed on both sides of the bottom end of the shoe sole layer. Anti-slip nails are fixedly connected at equal intervals on both sides of the first anti-slip groove near the toe side. A plurality of anti-slip blocks are fixedly connected at equal intervals on both sides of the anti-slip nails at the bottom end of the shoe sole layer. When walking while wearing, the first anti-slip groove, the anti-slip nails and the anti-slip blocks can effectively prevent slipping.

[0013] As a preferred embodiment, a fixing layer is fixedly connected inside the shoe upper on the side away from the tongue. An anti-wear layer is fixed to the side of the fixing layer close to the tongue by a magic tape. By providing the fixing layer and the anti-wear layer, the heel part of the shoe upper is effectively protected, preventing wear at the heel. When walking, the heel will rub against the anti-wear layer, avoiding wear at the position of the Achilles tendon of the shoe upper, which may cause the shoe to be unable to be worn later. When the anti-wear layer is worn, the anti-wear layer can be torn off and replaced, thus avoiding the situation where the shoe cannot be worn due to wear at the heel when wearing the shoe upper.

[0014] The beneficial effects of the present invention are as follows: In the present invention, the shoe sole layer is aligned with the bottom end of the connecting layer, and the connecting block is inserted into the card slot. Since the connecting block is made of elastic plastic, when inserting the connecting block, the connecting block can be slightly deformed and inserted into the card slot. When the connecting block completely enters the card slot, the sealing ring also enters the connecting groove, and the sealing ring seals between the connecting layer and the shoe sole layer, preventing dust and liquid from entering the connecting layer and the shoe sole layer. Then, take the lead screw and insert it into the storage slot, and rotate the turning head so that the lead screw enters the first sleeve, and finally passes through the first sleeve and the second sleeve. The turning head is stored in the storage slot. At this time, the connecting block is fixed, and the installation of the shoe sole layer is completed. During use, the shoe sole layer can protect the bottom end of the connecting layer, reduce the direct wear of the connecting layer, delay the loss of the biodegradable material, and replace the shoe sole layer with different thicknesses according to needs to meet the needs of people to increase height; By providing the first spring and the second spring on the outer sides of the first sleeve and the second sleeve, the first sleeve and the second sleeve are effectively protected, preventing the lead screw from being damaged due to the breakage of the first sleeve and the second sleeve when the pressure on the shoe sole layer is uneven. By providing the fixing layer and the anti-wear layer, the heel part of the shoe upper is effectively protected, preventing wear at the heel. When the anti-wear layer is worn, the anti-wear layer can be torn off and replaced. Brief Description of the Drawings

[0015] Figure 1 Schematic diagram of the structure of a shoe body made of a biodegradable material provided by the present invention; Figure 2 Exploded structure schematic diagram of a shoe body made of a biodegradable material provided by the present invention; Figure 3 Schematic diagram of the upper structure of a shoe body made of a biodegradable material provided by the present invention; Figure 4 Schematic diagram of the connection components and wear-resistant protection components of a shoe body made of a biodegradable material provided by the present invention; Figure 5 Schematic diagram of the cross-sectional structure of the connection layer and the shoe sole layer of a shoe body made of a biodegradable material provided by the present invention; Figure 6 For a shoe body made of a biodegradable material provided by the present invention Figure 5 Enlarged structure schematic diagram of enlarged part A; Figure 7 For a shoe body made of a biodegradable material provided by the present invention Figure 5 Enlarged structure schematic diagram of enlarged part B; Figure 8 Schematic diagram of the lead screw structure of a shoe body made of a biodegradable material provided by the present invention; Legend Explanation: 1. Upper; 11. Tongue; 12. Shoelace groove; 13. Ventilation groove; 14. Insole; 15. Fixed layer; 16. Abrasion-resistant layer; 21. Connection layer; 22. Connection groove; 23. Card slot; 24. Storage slot; 25. Rotating head; 26. Lead screw; 27. First sleeve; 28. First spring; 31. Shoe sole layer; 311. First anti-slip groove; 312. Anti-slip nail; 313. Anti-slip block; 32. Sealing ring; 33. Connection block; 331. Second sleeve; 332. Second spring. Detailed Description of the Invention

[0016] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0017] Please refer to Figure 1 - Figure 3, the present invention provides a technical solution: a shoe body made of biodegradable material, including a shoe upper 1. A connecting component is provided at the bottom end of the shoe upper 1, and a protective structure is provided at the bottom end of the connecting component. The protective structure includes a wear-resistant protective component, a sealing ring 32, and a clamping component. The sealing ring 32 is located outside the top end of the wear-resistant protective component, and the clamping component is located in the middle of the top end of the wear-resistant protective component. A tongue 11 is provided in the middle of the top end of the shoe upper 1. Lacing slots 12 are arranged equidistantly on both sides of the shoe upper 1 on both sides of the tongue 11. Ventilation slots 13 are provided at the top of both sides and one end of the shoe upper 1. An insole 14 is provided at the bottom end inside the shoe upper 1.

[0018] In this embodiment, when wearing, put the foot into the inside of the shoe upper 1, straighten the tongue 11 neatly, pass the shoelace through the lacing slot 12, and finally tie the shoelace. At this time, the wearing of the shoe upper 1 is completely finished. And during the wearing and walking process, the ventilation slots 13 can achieve the ventilation effect.

[0019] As Figure 2 - Figure 6 shown, the connecting component includes a connecting layer 21, and the connecting layer 21 is fixed at the bottom end of the shoe upper 1. The connecting layer 21 and the shoe upper 1 are made of bio-based polyamide. A connecting groove 22 is provided on the outside of the bottom end of the connecting layer 21, and the connecting groove 22 is clamped with the sealing ring 32. A plurality of card slots 23 are provided at the bottom end of the connecting layer 21, and the inside of the card slots 23 gradually decreases from top to bottom. Storage grooves 24 are arranged in an annular array on the outside of the connecting layer 21, and the storage grooves 24 are aligned with one side of the card slots 23. A rotating head 25 is rotatably connected inside the storage groove 24. A first tube sleeve 27 is fixedly connected inside the connecting layer 21 at the position of the storage groove 24. The first tube sleeve 27 penetrates through the connecting layer 21 and communicates with the storage groove 24 and the card slot 23. A lead screw 26 is fixedly connected to the side of the rotating head 25 close to the first tube sleeve 27. The lead screw 26 is threadedly connected with the first tube sleeve 27. One end of the lead screw 26 away from the rotating head 25 threadedly penetrates through the side of the card slot 23 away from the rotating head 25. A plurality of first springs 28 are arranged outside the first tube sleeve 27 inside the connecting layer 21, and the first springs 28 are arranged in different directions respectively.

[0020] In this embodiment, take the lead screw 26 and insert it into the storage groove 24, and rotate the rotating head 25 to make the lead screw 26 enter the first tube sleeve 27, and finally pass through the first tube sleeve 27 and the second tube sleeve 331. The rotating head 25 enters the storage groove 24 for storage. At this time, the connecting block 33 is fixed. The first spring 28 and the second spring 332 are fixedly embedded inside the shoe upper 1 and inside the connecting block 33, and cooperate with the elasticity of the connecting layer 21 and the shoe sole layer 31 to effectively shock-proof and protect the first tube sleeve 27 and the second tube sleeve 331. Avoid damage to the lead screw 26 caused by breakage of the first tube sleeve 27 and the second tube sleeve 331 when the shoe sole layer 31 is unevenly pressed.

[0021] As Figure 2 、Figure 4 , Figure 7 and Figure 8 As shown in Figure 8 , the wear-resistant protection component includes a shoe sole layer 31, the shoe sole layer 31 is clamped at the bottom end of the connection layer 21, the outer side of the top end of the shoe sole layer 31 is fixedly connected to a sealing ring 32, the clamping member includes a plurality of connecting blocks 33, the connecting blocks 33 are fixed at the top end of the shoe sole layer 31, the appearance of the connecting blocks 33 gradually becomes smaller from top to bottom and fits with the clamping groove 23, the material of the connecting blocks 33 is made of elastic plastic, the connecting blocks 33 are clamped inside the clamping groove 23, the middle part of the top end of the connecting block 33 is fixedly connected to a second sleeve 331, the second sleeve 331 penetrates through the connecting block 33, the second sleeve 331 is threadedly connected to the lead screw 26, a plurality of second springs 332 are arranged at the bottom end of the connecting block 33 where the second sleeve 331 is located, first anti-slip grooves 311 are opened on both sides of the bottom end of the shoe sole layer 31, anti-slip nails 312 are fixedly connected at equal intervals on both sides of the first anti-slip groove 311 close to the toe side, and a plurality of anti-sliding blocks 313 are fixedly connected at equal intervals on both sides of the anti-slip nails 312 at the bottom end of the shoe sole layer 31.

[0022] In this embodiment, the staff aligns the shoe sole layer 31 with the bottom end of the connection layer 21 and inserts the connecting blocks 33 into the clamping grooves 23. Since the connecting blocks 33 are made of elastic plastic, when inserting the connecting blocks 33, the connecting blocks 33 can be slightly deformed and inserted into the clamping grooves 23. When the connecting blocks 33 completely enter the clamping grooves 23, the sealing ring 32 also enters the connection groove 22, and the sealing ring 32 seals between the connection layer 21 and the shoe sole layer 31 to prevent dust and liquid from entering the connection layer 21 and the shoe sole layer 31. Then, the connecting blocks 33 are fixed by the lead screw 26. At this time, the installation of the shoe sole layer 31 is completed. During use, the shoe sole layer 31 can protect the bottom end of the connection layer 21, reduce the direct wear of the connection layer 21, delay the loss of the biodegradable material, and replace the shoe sole layer 31 with different thicknesses according to needs to meet the needs of personnel to increase height.

[0023] As Figure 1 - Figure 8 shown, a fixing layer 15 is fixedly connected inside the shoe upper 1 on the side away from the shoe tongue 11, and an anti-wear layer 16 is fixed to the fixing layer 15 close to the shoe tongue 11 by a magic tape.

[0024] In this embodiment, by setting the fixing layer 15 and the anti-wear layer 16, the heel part of the shoe upper 1 is effectively protected to prevent wear at the heel part. When walking, the heel part will rub against the anti-wear layer 16 to avoid wear at the position of the Achilles tendon of the shoe upper 1, resulting in the inability to continue wearing later. When the anti-wear layer 16 is worn, the anti-wear layer 16 can be torn off and replaced, thus avoiding the situation where the shoe upper 1 cannot be worn due to wear at the heel part during wearing.

[0025] Working principle: First, the staff aligns the bottom layer 31 of the shoe with the bottom end of the connection layer 21, and inserts the connection clamping block 33 into the clamping groove 23. Since the connection clamping block 33 is made of elastic plastic, when inserting the connection clamping block 33, the connection clamping block 33 can be slightly deformed and inserted into the clamping groove 23. When the connection clamping block 33 completely enters the clamping groove 23, the sealing ring 32 also enters the connection groove 22, and the sealing ring 32 seals between the connection layer 21 and the bottom layer 31 of the shoe, preventing dust and liquid from entering the connection layer 21 and the bottom layer 31 of the shoe. Then, take the screw rod 26 and insert it into the storage groove 24, and rotate the turning head 25 to make the screw rod 26 enter the first sleeve 27, and finally pass through the first sleeve 27 and the second sleeve 331. The turning head 25 enters the storage groove 24 for storage. At this time, the connection clamping block 33 is fixed, and the installation of the bottom layer 31 of the shoe is completed. When in use, the bottom layer 31 of the shoe can protect the bottom end of the connection layer 21, reduce the direct wear of the connection layer 21, and delay the loss of biodegradable materials. And different bottom layers 31 of the shoe can be replaced according to needs to meet the needs of personnel to increase height. By setting the first spring 28 and the second spring 332 on the outer sides of the first sleeve 27 and the second sleeve 331, the first sleeve 27 and the second sleeve 331 can be effectively protected, preventing the screw rod 26 from being damaged due to the breakage of the first sleeve 27 and the second sleeve 331 when the bottom layer 31 of the shoe is unevenly pressured. By setting the fixing layer 15 and the anti-wear layer 16, the heel part of the shoe upper 1 can be effectively protected to prevent wear at the heel. When walking, the heel part will rub against the anti-wear layer 16, preventing wear at the Achilles tendon position of the shoe upper 1 and making it impossible to continue wearing later. When the anti-wear layer 16 is worn, the anti-wear layer 16 can be torn off and replaced. When wearing, put the foot into the inside of the shoe upper 1, straighten the shoe tongue 11 neatly, pass the shoelace through the shoelace groove 12, and finally tie the shoelace. At this time, the wearing of the shoe upper 1 is completely finished. When walking, the first anti-slip groove 311, the anti-slip nails 312 and the anti-slip blocks 313 can effectively prevent slipping, and during the wearing and walking process, the ventilation grooves 13 can achieve the ventilation effect.

[0026] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A shoe body made of biodegradable material, including a shoe upper (1), characterized in that: A connecting component is provided at the bottom end of the shoe upper (1). A protective structure is provided at the bottom end of the connecting component. The protective structure includes a wear-resistant protective component, a sealing ring (32), and a clamping member. The sealing ring (32) is located outside the top end of the wear-resistant protective component. The clamping member is located in the middle of the top end of the wear-resistant protective component. A tongue (11) is provided in the middle of the top end of the shoe upper (1). Lacing grooves (12) are arranged at equal intervals on both sides of the shoe upper (1) on both sides of the tongue (11). Ventilation grooves (13) are provided at the top of both sides and one end of the shoe upper (1). An insole (14) is provided at the bottom end inside the shoe upper (1).

2. The shoe body made of a biodegradable material according to claim 1, characterized in that: The connecting component includes a connecting layer (21). The connecting layer (21) is fixed to the bottom end of the shoe upper (1). The connecting layer (21) and the shoe upper (1) are made of bio-based polyamide. A connecting groove (22) is provided on the outer side of the bottom end of the connecting layer (21). The connecting groove (22) is clamped with the sealing ring (32). A plurality of clamping grooves (23) are provided at the bottom end of the connecting layer (21). The inside of the clamping groove (23) gradually decreases from top to bottom. Storage grooves (24) are arranged in a circular array on the outer side of the connecting layer (21). The storage grooves (24) are aligned with one side of the clamping grooves (23).

3. The shoe body of a biodegradable material according to claim 2, characterized in that: A rotating head (25) is rotatably connected inside the storage groove (24). A first pipe sleeve (27) is fixedly connected to the connecting layer (21) inside the storage groove (24). The first pipe sleeve (27) penetrates through the connecting layer (21) and communicates with the storage groove (24) and the clamping groove (23). A lead screw (26) is fixedly connected to one side of the rotating head (25) close to the first pipe sleeve (27). The lead screw (26) is threadedly connected to the first pipe sleeve (27). One end of the lead screw (26) away from the rotating head (25) threadedly penetrates through one side of the clamping groove (23) away from the rotating head (25).

4. The shoe body made of a biodegradable material according to claim 3, characterized in that: A plurality of first springs (28) are provided outside the first pipe sleeve (27) inside the connecting layer (21), and the first springs (28) are arranged in different directions respectively.

5. The shoe body made of a biodegradable material according to claim 1, wherein: The wear-resistant protective component includes a shoe bottom layer (31). The shoe bottom layer (31) is clamped to the bottom end of the connecting layer (21). The outer side of the top end of the shoe bottom layer (31) is fixedly connected to the sealing ring (32).

6. The shoe body made of a biodegradable material according to claim 1, characterized in that: The clamping member includes a plurality of connecting blocks (33). The connecting blocks (33) are fixed to the top end of the shoe bottom layer (31). The appearance of the connecting blocks (33) gradually becomes smaller from top to bottom and fits with the clamping grooves (23). The connecting blocks (33) are made of elastic plastic. The connecting blocks (33) are clamped inside the clamping grooves (23).

7. The shoe body made of a biodegradable material according to claim 6, characterized in that: A second pipe sleeve (331) is fixedly connected to the middle of the top end of the connecting block (33). The second pipe sleeve (331) penetrates through the connecting block (33). The second pipe sleeve (331) is threadedly connected to the lead screw (26). A plurality of second springs (332) are provided at the bottom end of the connecting block (33) located at the second pipe sleeve (331).

8. The shoe body made of a biodegradable material according to claim 5, characterized in that: On both sides of the bottom end of the shoe sole layer (31), first anti-slip grooves (311) are provided. On both sides of the first anti-slip groove (311) near the toe tip side, anti-slip nails (312) are fixedly connected at equal intervals. On both sides of the anti-slip nails (312) at the bottom end of the shoe sole layer (31), a number of anti-slip blocks (313) are fixedly connected at equal intervals.

9. The shoe body made of a biodegradable material according to claim 1, wherein: Inside the side of the shoe upper (1) away from the shoe tongue (11), a fixing layer (15) is fixedly connected. On the side of the fixing layer (15) close to the shoe tongue (11), an anti-wear layer (16) is fixed by a magic tape.