High-elastic dual-density light shoe sole

By designing a high-elasticity, dual-density, lightweight sole, combined with a high-density hard shell and a low-density flexible pad, the contradiction between elasticity, durability, and lightweight in the sole is resolved, achieving a comfortable and stable user experience in different scenarios.

CN223958391UActive Publication Date: 2026-03-03YANGZHOU FUBIN SHOE IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-08
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

Existing shoe soles cannot simultaneously achieve elasticity, durability, and lightweight properties, resulting in a poor user experience in different scenarios, especially during long walks or sports, which can easily lead to fatigue or wear.

Method used

Design a high-elasticity, dual-density, lightweight sole that combines a high-density hard shell with a low-density flexible pad. The elastic structure cushions the impact of the ground, while the hard shell resists external impacts and wear. Grooves are also incorporated into the structure to reduce weight.

Benefits of technology

It provides excellent elastic cushioning and durability, reduces sole weight, and improves wearing comfort and stability to meet the needs of different activities.

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Abstract

The utility model discloses a high-elastic dual-density light shoe sole, and relates to the technical field of shoe soles. Comprising a high-density structure, the high-density structure comprises a hard shell and further comprises an elastic structure, the outer wall of the elastic structure is fixedly connected with the outer wall of the hard shell, and the side, away from the hard shell, of the elastic structure is fixedly connected with a low-density structure; the elastic structure comprises an elastic cushion, the outer wall of the elastic cushion is fixedly connected with a clamping block, the outer wall of the elastic cushion is fixedly connected with a first elastic column, the outer wall of the elastic cushion is fixedly connected with a second elastic column, and the elastic cushion and the elastic columns of the elastic structure are compressed when being stressed, so that the ground impact force is buffered, and fatigue is relieved; the heel groove, the sole groove and the attaching groove of the hard shell are matched to be stably connected with the elastic pad, the hard shell can effectively resist external impact and abrasion, the internal structure is protected, and the elastic structure provided by the sole can be stably used.
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Description

Technical Field

[0001] This utility model relates to the field of shoe sole technology, specifically to a high-elasticity dual-density lightweight shoe sole. Background Technology

[0002] In daily life and various sports activities, the performance of shoe soles plays a crucial role. Whether commuting for long periods on city streets or engaging in high-intensity activities like running and jumping on a sports field, there are high demands on the elasticity, durability, and weight of shoe soles. Existing shoe soles often struggle to simultaneously achieve elasticity, durability, and lightweight characteristics when facing these complex and diverse usage environments. Traditional shoe soles either lack sufficient elasticity, failing to effectively cushion the impact of the ground during walking or exercise, leading to foot fatigue and potentially causing joint damage with prolonged wear; or they focus too much on elasticity while neglecting other aspects. Durability is crucial. Frequent friction and external impacts cause severe wear on shoe soles, resulting in a shorter lifespan. Furthermore, some soles use heavy materials in pursuit of durability, leading to an overall higher shoe weight. This not only makes them uncomfortable but also increases the burden of movement, especially in sports, impacting performance. In long-distance running events like marathons, runners need soles with good elasticity to alleviate fatigue from prolonged running, while also ensuring durability to support the entire race without being too heavy and affecting speed. Traditional soles struggle to meet these combined needs. In daily commutes, people also expect soles that can comfortably accommodate long walks. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To address the shortcomings of existing technologies, this invention provides a high-elasticity dual-density lightweight sole. This high-elasticity dual-density lightweight sole, through its structural design, compresses under stress, buffering ground impact, alleviating fatigue, improving fit, and providing elasticity. The rigid shell effectively resists external impacts and wear, protecting the internal structure, ensuring the sole's elastic structure is stable for use. Simultaneously, the grooved design within the shell shape further reduces weight, making the wearer feel more comfortable and light. This lightweight characteristic solves the deficiencies in durability and lightness, providing users with a better wearing experience and meeting the needs of activities in different scenarios.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-elasticity dual-density lightweight shoe sole, comprising a high-density structure, the high-density structure including a hard shell, and further comprising: an elastic structure, the outer wall of the elastic structure being fixedly connected to the outer wall of the hard shell, and a low-density structure being fixedly connected to the side of the elastic structure away from the hard shell; the elastic structure including an elastic pad, the outer wall of the elastic pad being fixedly connected to a snap-fit ​​block, the outer wall of the elastic pad being fixedly connected to a first elastic post, and the outer wall of the elastic pad being fixedly connected to a second elastic post.

[0007] Preferably, the high-density structure further includes an anti-slip baffle, the outer wall of which is fixedly connected to the outer wall of the hard shell. The hard shell has a heel groove, a fitting groove, and a foot groove. The outer wall of the hard shell is fixedly connected to the outer wall of the elastic pad via the heel groove and the foot groove. The outer wall of the hard shell contacts the outer wall of the elastic pad via the fitting groove. The elastic pad and elastic column of the elastic structure compress under force, buffering the impact of the ground, relieving fatigue, improving fit, and providing elasticity. Combined with the heel groove, foot groove, and fitting groove of the hard shell, which are firmly connected to the elastic pad, the hard shell can effectively resist external impacts and wear, protecting the internal structure and ensuring the stable use of the elastic structure of the sole.

[0008] Preferably, the low-density structure includes a flexible pad, the outer wall of which has a snap-fit ​​groove, a first connection hole, and a second connection hole. The outer wall of the flexible pad is snapped into the outer wall of the snap-fit ​​block through the snap-fit ​​groove, the outer wall of the flexible pad is fixedly connected to the outer wall of the first elastic post through the first connection hole, and the outer wall of the flexible pad is fixedly connected to the outer wall of the second elastic post through the second connection hole. The soft texture of the flexible pad in the low-density structure improves comfort, while the groove in the high-density structure, which is shell-shaped, further reduces weight, making the wearer feel more comfortable and light, and giving the sole lightweight characteristics to meet the needs of various activities.

[0009] (III) Beneficial Effects

[0010] This invention provides a high-elasticity, dual-density, lightweight shoe sole. It has the following beneficial effects:

[0011] (i) The sole, through the elastic pad and elastic column of the elastic structure, compresses under force to buffer the impact of the ground, relieve fatigue, improve the fit and provide elasticity. It is in close contact with the heel groove, foot groove and fitting groove of the hard shell and the elastic pad. The hard shell can effectively resist external impact and wear, protect the internal structure, and make the elastic structure of the sole stable for use.

[0012] (ii) The sole features a soft, flexible pad with a low-density structure, enhancing comfort. The high-density structure, while being shell-shaped, has grooves that further reduce weight, making the wearer feel more comfortable and light. This gives the sole lightweight characteristics, meeting the needs of various activities. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the high-density structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the elastic structure of this utility model;

[0016] Figure 4 This is a schematic diagram of the low-density structure of this utility model.

[0017] In the diagram: 1. High-density structure; 2. Elastic structure; 3. Low-density structure; 11. Hard shell; 12. Heel groove; 13. Fitting groove; 14. Foot groove; 15. Anti-slip baffle; 21. Elastic pad; 22. Snap-fit ​​block; 23. First elastic post; 24. Second elastic post; 31. Flexible pad; 32. Snap-fit ​​groove; 33. First connecting hole; 34. Second connecting hole. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please see Figure 1-4 This utility model provides a technical solution: a high-elasticity dual-density lightweight shoe sole, including a high-density structure 1, the high-density structure 1 including a hard shell 11, and also including an elastic structure 2, the outer wall of the elastic structure 2 being fixedly connected to the outer wall of the hard shell 11, and a low-density structure 3 being fixedly connected to the side of the elastic structure 2 away from the hard shell 11.

[0020] The elastic structure 2 includes an elastic pad 21, with a snap-fit ​​block 22 fixedly connected to the outer wall of the elastic pad 21, a first elastic post 23 fixedly connected to the outer wall of the elastic pad 21, and a second elastic post 24 fixedly connected to the outer wall of the elastic pad 21. The elastic pad 21 of the elastic structure 2 is the key part that provides elastic cushioning. The snap-fit ​​block 22, the first elastic post 23 and the second elastic post 24 fixed to its outer wall are tightly connected to the low-density structure 3. When a person walks or exercises, pressure is applied to the sole of the foot, and the elastic pad 21 deforms under the force. The first elastic post 23 and the second elastic post 24 also undergo elastic compression, absorbing and dispersing the pressure like a spring, providing comfortable cushioning for the sole of the foot, reducing the impact force of the ground on the foot, and effectively relieving fatigue.

[0021] The high-density structure 1 also includes an anti-slip baffle 15. The outer wall of the anti-slip baffle 15 is fixedly connected to the outer wall of the rigid shell 11. A heel groove 12 is formed in the wall of the rigid shell 11. A fitting groove 13 is formed in the outer wall of the rigid shell 11. A foot groove 14 is formed in the wall of the rigid shell 11. The outer wall of the rigid shell 11 is fixedly connected to the outer wall of the elastic pad 21 through the heel groove 12. The outer wall of the rigid shell 11 is fixedly connected to the outer wall of the elastic pad 21 through the foot groove 14. The outer wall of the rigid shell 11 is fixedly connected to the outer wall of the elastic pad 21 through the fitting groove 13. The outer wall of the elastic pad 21 is in contact with the rigid shell 11, which serves as the basic support structure. The heel groove 12, the ball groove 14 in the wall and the fitting groove 13 on the outer wall are connected to the elastic pad 21 of the elastic structure 2. The elastic pad 21 is fixed to the rigid shell 11 through the heel groove 12 and the ball groove 14. The outer wall is in contact with the fitting groove 13 to ensure that the connection between the two is stable. The anti-slip baffle 15 further enhances the stability of the overall structure and prevents the elastic structure 2 from accidentally detaching. The rigid shell 11 provides the necessary rigidity for the sole.

[0022] The low-density structure 3 includes a flexible pad 31. The outer wall of the flexible pad 31 has a snap-fit ​​groove 32, a first connecting hole 33, and a second connecting hole 34. The outer wall of the flexible pad 31 is snapped into the outer wall of the snap-fit ​​block 22 through the snap-fit ​​groove 32. The outer wall of the flexible pad 31 is fixedly connected to the outer wall of the first elastic post 23 through the first connecting hole 33. The outer wall of the flexible pad 31 is fixedly connected to the outer wall of the second elastic post 24 through the second connecting hole 34. The flexible pad 31 of the low-density structure 3 is snapped into the snap-fit ​​block 22 through the snap-fit ​​groove 32, fixed to the first elastic post 23 through the first connecting hole 33, and fixed to the second elastic post 24 through the second connecting hole 34. It is firmly connected to the elastic structure 2. The flexible pad 31 is soft and comes into direct contact with the sole of the foot, which can further improve comfort and enhance the flexibility of the sole.

[0023] In use, this high-elastic dual-density lightweight sole is composed of a high-density structure 1, an elastic structure 2, and a low-density structure 3 working together. The parts fit together closely. The hard shell 11 of the high-density structure 1 serves as the basic support structure. The heel groove 12, the ball groove 14 in its wall, and the fitting groove 13 on the outer wall are connected to the elastic pad 21 of the elastic structure 2. The elastic pad 21 is fixed to the hard shell 11 through the heel groove 12 and the ball groove 14. The outer wall contacts the fitting groove 13 to ensure a stable connection between the two. The anti-slip baffle 15 further enhances the stability of the overall structure and prevents the elastic structure 2 from accidentally detaching. The hard shell 11 provides the necessary rigidity for the sole. During daily walking and sports, it can effectively resist external impacts and wear, protect the internal structure of the sole, and extend its service life.

[0024] The elastic pad 21 of the elastic structure 2 is a key part that provides elastic cushioning. The snap-fit ​​block 22, the first elastic post 23 and the second elastic post 24 fixed on its outer wall are closely connected to the low-density structure 3. When a person walks or exercises, pressure is applied to the sole of the foot, the elastic pad 21 deforms under the force, and the first elastic post 23 and the second elastic post 24 also undergo elastic compression, absorbing and dispersing the pressure like a spring, providing comfortable cushioning for the sole of the foot, reducing the impact of the ground on the foot, and effectively relieving fatigue. At the same time, the elastic design allows the sole to better adapt to the shape changes of the sole of the foot under different movements, improving the fit and comfort of wearing.

[0025] The flexible pad 31 of the low-density structure 3 is snapped into the snap block 22 through the snap groove 32, the first connecting hole 33 is fixed to the first elastic post 23, the second connecting hole 34 is fixed to the second elastic post 24, and it is firmly connected to the elastic structure 2. The flexible pad 31 is soft and directly contacts the sole of the foot, which can further improve comfort and enhance the flexibility of the sole.

[0026] Meanwhile, the internal slots of the flexible pad 31 reduce its weight. The slots in the high-density structure 1, which is shell-shaped, further reduce its weight, making the wearer feel more comfortable and lighter. At the same time, the various structures of the sole are stably connected. The high-density structure 1 ensures strength and wear resistance, the elastic structure 2 provides cushioning and fit, and the low-density structure 3 enhances comfort and flexibility. Together, they provide users with a sole that is both highly elastic and lightweight, as well as comfortable and durable, meeting people's needs in various activities. Whether it is daily commuting or sports and fitness, it can provide good support and experience.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-elasticity dual-density lightweight shoe sole, comprising a high-density structure (1), wherein the high-density structure (1) comprises a rigid shell (11), characterized in that: Also includes: An elastic structure (2) is fixedly connected to the outer wall of a hard shell (11), and a low-density structure (3) is fixedly connected to the side of the elastic structure (2) away from the hard shell (11). The elastic structure (2) includes an elastic pad (21), a snap-fit ​​block (22) is fixedly connected to the outer wall of the elastic pad (21), a first elastic post (23) is fixedly connected to the outer wall of the elastic pad (21), and a second elastic post (24) is fixedly connected to the outer wall of the elastic pad (21).

2. The high-elasticity dual-density lightweight shoe sole according to claim 1, characterized in that: The high-density structure (1) also includes an anti-detachment baffle (15), the outer wall of which is fixedly connected to the outer wall of the hard shell (11), a heel groove (12) is provided in the wall of the hard shell (11), a fitting groove (13) is provided in the outer wall of the hard shell (11), and a foot groove (14) is provided in the wall of the hard shell (11).

3. The high-elasticity dual-density lightweight shoe sole according to claim 2, characterized in that: The outer wall of the hard shell (11) is fixedly connected to the outer wall of the elastic pad (21) through the heel groove (12), the outer wall of the hard shell (11) is fixedly connected to the outer wall of the elastic pad (21) through the foot groove (14), and the outer wall of the hard shell (11) is in contact with the outer wall of the elastic pad (21) through the fitting groove (13).

4. The high-elasticity dual-density lightweight shoe sole according to claim 1, characterized in that: The low-density structure (3) includes a flexible pad (31), the outer wall of which has a snap-fit ​​groove (32), a first connection hole (33), and a second connection hole (34).

5. The high-elasticity dual-density lightweight shoe sole according to claim 4, characterized in that: The outer wall of the flexible pad (31) is engaged with the outer wall of the snap block (22) through the snap groove (32), the outer wall of the flexible pad (31) is fixedly connected to the outer wall of the first elastic column (23) through the first connecting hole (33), and the outer wall of the flexible pad (31) is fixedly connected to the outer wall of the second elastic column (24) through the second connecting hole (34).