Bio-based environment-friendly breathable insole

By using insoles designed with bio-based polyurethane materials and natural plant fibers, the problem of the difficult degradation of insole materials is solved, achieving an environmentally friendly, breathable and comfortable wearing experience.

CN223429226UActive Publication Date: 2025-10-14GUANGDONG LIYU YIBAO RUBBER SHEET CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423212513.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-10-14
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Existing insole materials are difficult to degrade and pollute the environment after being discarded.

Method used

Environmentally friendly materials such as bio-based polyurethane, natural plant fibers and bamboo fibers are used, combined with a honeycomb structure and air-permeable hole design to form a breathable, moisture-absorbent and supportive insole structure.

Benefits of technology

It provides a comfortable wearing experience, reduces foot odor and bacterial growth, does not pollute the environment during degradation, and meets the requirements of sustainable development.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223429226U_ABST
    Figure CN223429226U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of insoles, in particular to a bio-based environment-friendly breathable insole. The problems that the insole is difficult to degrade and pollutes the environment after being discarded are solved. According to the design, the insole body is composed of the bio-based polyurethane material pad, the natural plant fiber pad and the arch pad, and the bio-based polyurethane material pad is usually composed of bio-based polyol, polyether ester polyol, polyether polyol and the like, so that the insole has good breathability and hygroscopicity, foot peculiar smell and bacterium breeding can be effectively reduced, and the insole is suitable for being used as a foot insole. The natural plant fiber insole has good breathability and hygroscopicity, comfortable wearing experience can be provided, the environment cannot be polluted in the degradation process, the bio-based material cannot pollute the environment in the degradation process, the requirement of sustainable development is met, and the insole is of a structure with the periphery high and the middle low, so that the insole is suitable for popularization and application. The insole can be attached to the foot to wrap the foot, the ergonomics is met, and the walking comfort is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to insole technical field especially relates to a kind of biological base environmental protection breathable insole. BACKGROUND

[0002] Foot is the only organ of human body contacting ground.In the process of human activity,foot mainly plays the role of buffering and pedaling,through the relaxation and contraction of foot-intrinsic muscle and foot-extrinsic muscle to realize the conversion of function.In the process of long time movement,especially flat foot,foot muscle repeated contraction relaxation can produce fatigue,which affects normal foot function,then lower limb can appear compensatory injury.Common solution is to wear arch support insole.

[0003] Some insoles at present are composed of cotton cloth, silicone, sponge and other materials, and the insoles are difficult to degrade, polluting the environment after being discarded. INVENTION CONTENTS

[0004] (1) technical problem to be solved

[0005] In order to solve the problem that the insole is difficult to degrade and pollutes the environment after being discarded.

[0006] (2) technical scheme

[0007] The utility model discloses a kind of biological base environmental protection breathable insole, including insole body, insole body includes biological base polyurethane material pad, natural plant fiber pad and arch pad, biological base polyurethane material pad is set at the middle position of insole body, biological base polyurethane material pad is irregularly long strip structure setting, natural plant fiber pad is integrally formed on the outside of biological base polyurethane material pad, natural plant fiber pad is set in the outer ring of biological base polyurethane material pad, arch pad is installed in the concave arc side of natural plant fiber pad, insole body is set by biological base polyurethane material pad, natural plant fiber pad and arch pad three parts, because biological base polyurethane material pad material is usually composed of biological base polyol, polyether ester polyol, polyether polyol etc., with good air permeability and hygroscopicity, can effectively reduce foot odor and bacteria breeding, cooperate natural plant fiber pad with good air permeability and hygroscopicity, can provide comfortable wearing experience, and will not cause pollution to environment in degradation process, since biological base material will not cause pollution to environment in degradation process, meet the requirement of sustainable development.

[0008] Further, a plurality of irregularly ordered and dispersed air holes are formed on the surface of the biological base polyurethane material pad, which can enhance the air permeability of the foot bottom.

[0009] Further, the foot arch pad is internally provided with a bamboo fiber framework in a honeycomb structure, improving the support strength of the foot arch pad. The bamboo fiber has good air permeability, instantaneous water absorption, strong wear resistance and good dyeing properties, and good wear resistance.

[0010] Further, the surface of the insole body is provided with a buffer pad below the heel of the natural plant fiber pad. The insole can provide more stable support for the human body by setting the buffer pad, and has good buffering and shock absorbing effect.

[0011] Further, a plurality of arc-shaped anti-skid protrusions are arranged at the positions of the forefoot of the insole body and the biobased polyurethane material pad and the natural plant fiber pad, which can increase the friction between the insole body and the bottom surface of the shoe, prevent displacement of the insole during movement, and better protect the feet.

[0012] Further, the upper surface of the insole body is provided with a seaweed fiber pad, and the seaweed fiber pad is provided with air holes. The seaweed fiber pad is not only environmentally friendly, but also has good air permeability and moisture absorption. The seaweed fiber pad can further provide better comfort and air permeability.

[0013] Further, the insole body is arranged in a structure with high middle and low four sides, which can well wrap the feet of consumers, is more in line with ergonomic design, and improves the comfort during walking.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the insole body is arranged by the biobased polyurethane material pad, the natural plant fiber pad and the foot arch pad. The biobased polyurethane material pad is usually composed of biobased polyol, polyether ester polyol and polyether polyol, has good air permeability and moisture absorption, can effectively reduce foot odor and bacterial growth, and has good air permeability and moisture absorption with the natural plant fiber pad. It can provide a comfortable wearing experience, and will not pollute the environment during degradation. Since the biobased material will not pollute the environment during degradation, it meets the requirements of sustainable development. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 The overall structure of the utility model is shown;

[0017] Fig. 2 The setting position of the vent in the utility model is shown;

[0018] Fig. 3 The bottom view of the insole body in the utility model is shown;

[0019] Fig. 4 The structure of the arch support pad in the utility model is shown.

[0020] Fig. 5 The bottom view of the overall structure in the utility model is shown.

[0021] Fig. 6 The left view structure of the overall structure in the utility model is shown.

[0022] Mark 1 - insole body, 2 - biological polyurethane material pad, 3 - natural plant fiber pad, 4 - arch support pad, 5 - vent, 6 - cushion pad, 7 - anti-skid bump, 8 - seaweed fiber pad, 9 - air hole. DETAILED DESCRIPTION

[0023] The utility model is further illustrated below in combination with the drawings and examples.

[0024] Example 1:

[0025] Please refer to Figs. 1-6 The utility model provides a kind of example: a kind of biological environment-friendly breathable insole, including insole body 1, insole body 1 includes biological polyurethane material pad 2, natural plant fiber pad 3 and arch support pad 4, biological polyurethane material pad 2 is set at the intermediate position of insole body 1, biological polyurethane material pad 2 is irregularly long strip structure setting, the outside of biological polyurethane material pad 2 is integrally formed with natural plant fiber pad 3, natural plant fiber pad 3 is set around the outer ring of biological polyurethane material pad 2, natural plant fiber pad 3 inner concave arc side is equipped with arch support pad 4, insole body 1 is set by biological polyurethane material pad 2, natural plant fiber pad 3 and arch support pad 4 three parts, because biological polyurethane material pad 2 material is usually composed of biological polyol, polyether ester polyol, polyether polyol etc., with good breathability and hygroscopicity, can effectively reduce foot odor and bacteria breeding, cooperate natural plant fiber pad 3 with good breathability and hygroscopicity, can provide comfortable wearing experience, and will not cause pollution to environment in degradation process, since biological material will not cause pollution to environment in degradation process, meet the requirement of sustainable development.

[0026] The surface of biological polyurethane material pad 2 is provided with a plurality of irregularly ordered and dispersed vent holes 5, which can enhance the breathability of foot bottom.

[0027] Arch support pad 4 is internally provided with a bamboo fiber skeleton in honeycomb structure, to improve the support strength of arch support pad 4, and the bamboo fiber has good breathability, instantaneous water absorption, strong wear resistance and good dyeing properties, and has good wear resistance.

[0028] The surface of the insole body 1 is provided with a buffer pad 6 below the heel of the natural plant fiber pad 3, so that the insole can provide more stable support for the human body and has good buffering and shock-absorbing effect.

[0029] The forefoot of the insole body 1 is provided with a plurality of arc-shaped anti-skid protrusions 7 at the positions of the bio-based polyurethane material pad 2 and the natural plant fiber pad 3, which can increase the friction between the insole body 1 and the bottom of the shoe, prevent the displacement of the insole during movement, and better protect the feet.

[0030] The insole body 1 is provided with a structure of high in the middle and low at the four sides, which can well wrap the feet of the consumer and improve the comfort during walking.

[0031] Embodiment 2:

[0032] Please refer to Figs. 1-6 In this embodiment, the upper surface of the insole body 1 is provided with a seaweed fiber pad 8, and the seaweed fiber pad 8 is provided with air holes 9, which is not only environmentally friendly, but also has good air permeability and moisture absorption. The seaweed fiber pad 8 can further provide better comfort and air permeability.

[0033] Through the above steps, the insole body 1 is provided with a bio-based polyurethane material pad 2, a natural plant fiber pad 3 and an arch pad 4. The bio-based polyurethane material pad 2 is usually composed of bio-based polyol, polyether ester polyol and polyether polyol, which has good air permeability and moisture absorption, can effectively reduce foot odor and bacterial growth, and has good air permeability and moisture absorption. The natural plant fiber pad 3 can provide a comfortable wearing experience, and will not pollute the environment during degradation. Since the bio-based material will not pollute the environment during degradation, it meets the requirements of sustainable development. The insole can provide more stable support for the human body and has good buffering and shock-absorbing effect by setting the buffer pad 6. By setting the anti-skid protrusions 7, the friction between the insole body 1 and the bottom of the shoe can be increased, the displacement of the insole during movement can be prevented, the feet can be better protected, and the comfort during walking can be improved.

[0034] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the utility model.

Claims

1. A bio-based environmentally friendly breathable insole, comprising an insole body (1), characterized in that: The insole body (1) comprises a bio-based polyurethane material pad (2), a natural plant fiber pad (3) and an arch pad (4); the bio-based polyurethane material pad (2) is arranged at the middle position of the insole body (1); the bio-based polyurethane material pad (2) is arranged in an irregular long strip structure; the outer side of the bio-based polyurethane material pad (2) is integrally formed with a natural plant fiber pad (3); the natural plant fiber pad (3) is wound around the outer ring of the bio-based polyurethane material pad (2); and the arch pad (4) is installed on one side of the concave arc edge of the natural plant fiber pad (3).

2. The bio-based, environmentally friendly, breathable insole according to claim 1, characterized in that: The surface of the bio-based polyurethane material pad (2) is provided with a plurality of ventilation holes (5) arranged in an irregular and dispersed manner.

3. The bio-based, environmentally friendly, breathable insole according to claim 1, characterized in that: A bamboo fiber skeleton with a honeycomb structure is provided inside the arch pad (4).

4. The bio-based, environmentally friendly, breathable insole according to claim 1, characterized in that: A buffer pad (6) is provided on the surface of the insole body (1) below the heel of the natural plant fiber pad (3).

5. The bio-based, environmentally friendly, breathable insole according to claim 1, characterized in that: The forefoot of the insole body (1) is provided with a plurality of arc-shaped anti-slip bumps (7) at the positions of the bio-based polyurethane material pad (2) and the natural plant fiber pad (3).

6. The bio-based, environmentally friendly, breathable insole according to claim 1, characterized in that: A seaweed fiber pad (8) is provided on the upper surface of the insole body (1), and ventilation holes (9) are provided on the surface of the seaweed fiber pad (8).

7. The bio-based, environmentally friendly, breathable insole according to claim 1, characterized in that: The insole body (1) is arranged in a structure with high sides and low middle.