Air-cotton insole pressure-reducing structure for shoes
By incorporating decompression airbags at the forefoot and heel of the insole and support pads at the arch, the problems of ineffective decompression and arch pad displacement in existing shoe linings are solved, thereby improving comfort and support.
Patent Information
- Application Number
- CN202521261312.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-19
- Publication Date
- 2026-06-19
- Estimated Expiration
- 2035-06-19
AI Technical Summary
The existing shoe lining structure cannot effectively reduce pressure, resulting in discomfort in the forefoot and heel, and the arch support is prone to displacement, affecting walking comfort.
The insole features pressure-reducing airbags at the forefoot and heel, and a support pad at the arch. The pressure-reducing airbags are filled with inert gas, and the support pad is made of high-density EVA material. The support pillars and ventilation holes are designed to enhance cushioning and support.
It provides pressure relief to the forefoot and heel, reduces foot fatigue, supports the arch and prevents displacement, and improves walking comfort.
Smart Images

Figure CN224369177U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of shoe insole technology, specifically to a pressure-reducing structure for an air-filled cotton lining in shoes. Background Technology
[0002] Shoes are garments worn on the feet to protect them and facilitate walking. They are made of materials such as leather, cloth, and rubber.
[0003] To increase the comfort of shoes, insoles are usually placed inside. However, current insoles have simple structures and cannot provide good pressure relief for the forefoot and heel. This can cause discomfort in the forefoot or heel after walking for a long time. In addition, arch supports are now placed in the middle to increase arch support. However, current arch supports are placed on the surface of the insole and are prone to shifting, which affects walking comfort. Summary of the Invention
[0004] The technical problem to be solved by this utility model is to provide a pressure-reducing structure for an air-filled lining of shoes. The pressure-reducing airbag can increase the pressure-reducing effect on the forefoot and heel, while the support pad can support and position the arch of the foot, thereby solving the problems mentioned in the background art.
[0005] This utility model is achieved through the following technical solution: a pressure-reducing structure for shoe air cotton lining, including an insole, wherein both ends of the insole are provided with longitudinally arranged installation openings at the forefoot and heel, and pressure-reducing airbags are provided in the installation openings; the middle of the insole protrudes at the arch of the foot to form a support part, and an installation groove is provided on the inner side of the support part, and a support pad is provided in the installation groove.
[0006] As a preferred technical solution, the bottom surface of the insole is provided with multiple positioning holes facing the decompression airbag, and one side of the decompression airbag protrudes to form a positioning part facing the positioning hole, and the positioning part is inserted into the positioning hole.
[0007] As a preferred technical solution, the inside of each decompression airbag is filled with inert gas, and multiple support columns are installed inside each decompression airbag. The two ends of each support column support the upper and lower end faces inside the decompression airbag, respectively. Each support column has a vertical vent hole that penetrates the support column and the decompression airbag.
[0008] As a preferred technical solution, the insole is made of air-filled cotton.
[0009] As a preferred technical solution, the decompression airbag is made of elastic silicone material.
[0010] As a preferred technical solution, the support pad is made of high-density EVA material.
[0011] As a preferred technical solution, the outer contours of the two sides of the decompression airbag match the outer contours of the two sides of the insole.
[0012] As a preferred technical solution, the top surfaces of both the support and the support pad are inclined.
[0013] The beneficial effects of this utility model are: This utility model has a simple structure. Both ends of the insole are equipped with pressure-reducing airbags, which are positioned directly against the forefoot and heel, thus providing cushioning, absorbing impact, and reducing foot fatigue and discomfort. In addition, a support pad is inserted in the middle of the insole. The support block can be positioned through the support part and the insole to prevent displacement. Furthermore, the support pad can provide support for the arch of the foot, distributing body weight to both ends of the foot and reducing local pressure. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0016] Figure 2 This is a bottom view of the present invention;
[0017] Figure 3 This is a schematic diagram of the present invention with the decompression airbag and support pad removed;
[0018] Figure 4 This is a cross-sectional view of the present invention.
[0019] Among them, 1. Insole; 2. Support part; 3. Support pad; 4. Pressure relief airbag; 5. Positioning part; 6. Mounting groove; 7. Positioning port; 8. Mounting port; 9. Support column; 10. Ventilation hole. Detailed Implementation
[0020] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0021] All features disclosed in this specification, or all steps in all disclosed methods or processes, may be combined in any way, except for mutually exclusive features and / or steps.
[0022] Any feature disclosed in this specification (including any appended claims, abstract, and drawings) may be replaced by other equivalent or similar features for a similar purpose, unless specifically stated otherwise. That is, unless specifically stated otherwise, each feature is merely one example of a series of equivalent or similar features.
[0023] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the present invention provides a pressure-reducing structure for an air-filled lining of a shoe, including an insole 1. The insole 1 has longitudinally arranged mounting openings 8 at both ends, located at the forefoot and heel, and each mounting opening 8 is provided with a pressure-reducing airbag 4. The middle of the insole 1 protrudes at the arch of the foot to form a support part 2. The inner side of the support part 2 is provided with a mounting groove 6, and a support pad 3 is provided in the mounting groove 6.
[0024] In this embodiment, the bottom surface of the insole 1 is provided with multiple positioning holes 7 facing the decompression airbag 4, and one side of the decompression airbag 4 protrudes to form a positioning part 5 facing the positioning hole 7, and the positioning part 5 is inserted into the positioning hole 7.
[0025] In this embodiment, the inside of each decompression airbag 4 is filled with inert gas, and multiple support columns 9 are installed inside each decompression airbag 4. The two ends of each support column 9 support the upper and lower end faces inside the decompression airbag 4, respectively. Each support column 9 has a vertically arranged vent hole 10 that penetrates the support column 9 and the decompression airbag 4.
[0026] In this embodiment, the insole 1 is made of air cotton, which is a lightweight, breathable, and elastic material that can effectively improve wearing comfort and shock absorption performance.
[0027] In this embodiment, the decompression airbag 4 is made of elastic silicone material, which increases elasticity and flexibility and can provide a better cushioning effect. The support column increases the support effect and reduces the probability of the decompression airbag being stepped on and burst.
[0028] In this embodiment, the support pad 3 is made of high-density EVA material, which gives the support pad medium hardness and combines elasticity and support characteristics to provide support for the arch of the foot.
[0029] In this embodiment, the outer contours of the two sides of the decompression airbag 4 match the outer contours of the two sides of the insole 1.
[0030] In this embodiment, the top surfaces of both the support part 2 and the support pad 3 are inclined, and the two sides of the support part and the support pad facing the decompression airbag are both arc-shaped to conform to the structure of the foot arch and increase the comfort when stepping.
[0031] During installation, first squeeze the decompression airbag to flatten it, and then pull the installation port outward to enlarge it, allowing the decompression airbag to be smoothly inserted into the installation port. After releasing the installation port and the decompression airbag, the cylinder springs back, allowing the positioning part on the decompression airbag to be inserted into the positioning port, thereby positioning the decompression airbag to ensure subsequent stability.
[0032] Both ends of the insole are equipped with pressure-reducing airbags, which are positioned directly against the forefoot and heel to provide cushioning, absorb impact, and reduce foot fatigue and discomfort. A support pad is inserted in the middle of the insole. The support block is positioned by the support part and the insole to prevent displacement. The support pad also provides support for the arch of the foot, distributing body weight to both ends of the foot and reducing local pressure.
[0033] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions conceived without inventive effort should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope defined in the claims.
Claims
1. A pressure-reducing structure for an air-filled lining in shoes, characterized in that: The insole (1) has longitudinally arranged mounting openings (8) at both ends of the insole (1) at the forefoot and heel, and a decompression airbag (4) is provided in each mounting opening (8). The middle of the insole (1) protrudes at the arch of the foot to form a support part (2). The inner side of the support part (2) is provided with a mounting groove (6), and a support pad (3) is provided in the mounting groove (6).
2. The pressure-reducing structure for shoe air-filled lining according to claim 1, characterized in that: The bottom surface of the insole (1) is provided with multiple positioning holes (7) facing the decompression airbag (4). One side of the decompression airbag (4) protrudes to form a positioning part (5) facing the positioning hole (7). The positioning part (5) is inserted into the positioning hole (7).
3. The pressure-reducing structure for shoe air-filled lining according to claim 1, characterized in that: The inside of each decompression airbag (4) is filled with inert gas. Multiple support columns (9) are installed inside each decompression airbag (4). The two ends of the support columns (9) support the upper and lower end faces inside the decompression airbag (4) respectively. Each support column (9) has a vertical ventilation hole (10) that penetrates the support column (9) and the decompression airbag (4).
4. The pressure-reducing structure for shoe air-filled lining according to claim 1, characterized in that: The insole (1) is made of air cotton.
5. The pressure-reducing structure for shoe air-filled lining according to claim 1, characterized in that: The decompression airbag (4) is made of elastic silicone material.
6. The pressure-reducing structure for shoe air-filled lining according to claim 1, characterized in that: The support pad (3) is made of high-density EVA material.
7. The pressure-reducing structure for shoe air-filled lining according to claim 1, characterized in that: The outer contours of the two sides of the decompression airbag (4) match the outer contours of the two sides of the insole (1).
8. The pressure-reducing structure for shoe air-filled lining according to claim 1, characterized in that: The top surfaces of both the support part (2) and the support pad (3) are inclined.