Foaming sole with three-color effect

By introducing a protective structure of rubber and polyurethane composite materials and an injection-molded splicing design into the foam sole, the issues of wear resistance and service life of the foam sole are solved, while maintaining comfort and aesthetics.

CN223943886UActive Publication Date: 2026-02-27YONGJIA KANGDA SHOE MATERIAL CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520767214.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-02-27
Estimated Expiration
2035-04-22

AI Technical Summary

Technical Problem

Existing foam soles are prone to wear and deformation after prolonged use, have low abrasion resistance and tear resistance, and moisture can easily penetrate the porous structure, affecting their lifespan.

Method used

The shoe features a protective structure consisting of a first outsole, a connecting layer, and a second outsole, made of a combination of rubber and polyurethane materials. It incorporates injection molding and is available in three colors to enhance its aesthetics. Additionally, a thickened layer and an inner core are added to the inner wall of the contact layer to improve its softness.

Benefits of technology

It improves the wear resistance and lifespan of the foam sole while maintaining lightweight comfort and enhancing aesthetics through color design.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223943886U_ABST
    Figure CN223943886U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of foaming soles, in particular to a foaming sole with a three-color effect, which comprises a contact layer and a first protective edge, the top of the contact layer is fixedly connected with the bottom of the first protective edge, the bottom of the contact layer is connected with a protective structure, and the protective structure comprises a first sole and a connecting layer. The top of the first sole is fixedly connected with the left side of the bottom of the contact layer, and the right side of the first sole is fixedly connected with the left side of the connecting layer. The first sole, the connecting layer and the second sole in the protective structure are all made of self rubber and polyurethane combined materials, good wear resistance is provided, meanwhile, the self structure is thin, the light weight and comfort of the foaming sole are not affected, and the first sole, the connecting layer and the second sole are in an injection molding splicing mode, so that the service life of the foaming sole is prolonged. Moreover, the first sole, the connecting layer and the second sole are provided with three colors, so that the aesthetic feeling is increased, the normal use of the foaming sole is ensured, and the service life of the foaming sole is prolonged.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of foamed shoe sole with three -color effect, concretely is a kind of foamed shoe sole with three -color effect. BACKGROUND

[0002] The main functions of foamed shoe sole include reducing weight, providing shock absorption protection, enhancing comfort and durability, etc.

[0003] For example, a foamed shoe sole with the authorization announcement number "CN221059727U", including shoe sole body and film coated on the outer side of shoe sole body, shoe sole body is formed by foaming granular foamed material, film is tightly adhered to shoe sole body by adhesive layer, based on this, the film coated on shoe sole body can protect shoe sole body, reduce the peeling of foamed material, and make the shoe sole have good service life, but the weight of shoe is greatly reduced in the use of foamed shoe sole, and it feels light when wearing, but the wear resistance and tear strength of the foamed material structure are low, and the foamed shoe sole is easy to deform after long time use and contact with ground, plus the porous structure is easy to absorb water through the shoe sole, which affects the normal use of foamed shoe sole and shortens the service life of foamed shoe sole. SUMMARY

[0004] The utility model aims at solving the problem of affecting the normal use of foamed shoe sole and shortening the service life of foamed shoe sole, and provides a foamed shoe sole with three -color effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A foamed shoe sole with three -color effect is designed, which comprises a contact layer and a first edge protection, the top of the contact layer is fixedly connected with the bottom of the first edge protection, the bottom of the contact layer is connected with a protection structure, the protection structure comprises a first shoe sole and a connecting layer, the top of the first shoe sole is fixedly connected with the bottom left side of the contact layer, the right side of the first shoe sole is fixedly connected with the left side of the connecting layer, and the right side of the connecting layer is fixedly connected with a second shoe sole.

[0007] Preferably, the top of the connecting layer and the second shoe sole is fixedly connected with the bottom of the contact layer.

[0008] Preferably, the bottom of the first shoe sole, the connecting layer and the second shoe sole is fixedly connected with a plurality of protrusions.

[0009] Preferably, the top left side of the contact layer is fixedly connected with a second edge protection.

[0010] Preferably, the inner wall of the contact layer is fixedly connected with a thickening layer on the upper and lower sides.

[0011] Preferably, the inner side of the thickened layer is fixed with an inner core.

[0012] The utility model discloses a foamed shoe sole with three color effects has the beneficial effect is: through the first shoe sole, the connecting layer and the second shoe sole of protection structure all through the rubber and polyurethane combination material of self, provided good wear resistance, and the light comfortable nature of foamed shoe sole is not affected by thin self structure, and the first shoe sole, the connecting layer and the second shoe sole are injection moulded splicing form, and the first shoe sole, the connecting layer and the second shoe sole are provided with three colors and increase the aesthetic feeling, ensure the normal use of foamed shoe sole, improve the service life of foamed shoe sole. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure schematic diagram of the utility model;

[0014] Figure 2 It is Figure 1 It is the connecting relation structure schematic diagram of contact layer, thickened layer and inner core in the middle;

[0015] Figure 3 It is Figure 1 It is the structure schematic diagram of A in the middle;

[0016] Figure 4 It is Figure 1 It is the connecting relation structure schematic diagram of the first shoe sole, the connecting layer and the second shoe sole in the middle.

[0017] In the drawing: 1, contact layer, 2, protection structure, 201, first shoe sole, 202, connecting layer, 203, second shoe sole, 3, first edge guard, 4, second edge guard, 5, lug, 6, thickened layer, 7, inner core. DETAILED DESCRIPTION

[0018] The utility model will be further described in connection with the drawings:

[0019] Please refer to Figures 1-4 : in the embodiment, a foamed shoe sole with three color effects, including contact layer 1 and first edge guard 3, the top of contact layer 1 is fixed with the bottom of first edge guard 3, contact layer 1 is polyamide thermoplastic elastomer material, and first edge guard 3 is rubber material, the bottom of contact layer 1 is connected with protection structure 2, and protection structure 2 includes first shoe sole 201 and connecting layer 202, the top of first shoe sole 201 is fixed with the bottom left side of contact layer 1, and the right side of first shoe sole 201 is fixed with the left side of connecting layer 202, and the right side of connecting layer 202 is fixed with second shoe sole 203, and first shoe sole 201, connecting layer 202 and second shoe sole 203 are all rubber and polyurethane combination material, and the top of connecting layer 202 and second shoe sole 203 is fixed with the bottom of contact layer 1;

[0020] The first sole 201, the connecting layer 202 and the second sole 203 in the protection structure 2 are all made of rubber and polyurethane combined material, good wear resistance is provided, the structure is thin, the light and comfortable property of the foamed sole is not affected, the first sole 201, the connecting layer 202 and the second sole 203 are in the form of injection molding splicing, three colors are arranged on the first sole 201, the connecting layer 202 and the second sole 203, the beauty is increased, the normal use of the foamed sole is ensured, and the service life of the foamed sole is prolonged.

[0021] The first sole 201, the connecting layer 202 and the second sole 203 are all fixedly connected with a plurality of protrusions 5 made of rubber, the top left side of the contact layer 1 is fixedly connected with a second edge protection 4 made of rubber, the inner walls of the contact layer 1 are fixedly connected with thickening layers 6 on the upper and lower sides, respectively, the inner sides of the thickening layers 6 are fixedly connected with inner cores 7, and the thickening layers 6 and the inner cores 7 are made of ethylene-vinyl acetate copolymer material.

[0022] Working principle:

[0023] Foamed sole use:

[0024] The bottom of the upper is attached to the top of the contact layer 1, at this time, the outer wall bottom edge of the upper is attached to the inner walls of the first edge protection 3 and the second edge protection 4, then shoe glue is dripped at the connecting position of the upper, the first edge protection 3 and the second edge protection 4, and the installation of the foamed sole is completed.

[0025] The first sole 201, the connecting layer 202 and the second sole 203 at the bottom of the contact layer 1 are all made of rubber and polyurethane combined material, good wear resistance is provided, the structure is thin, the light and comfortable property of the foamed sole is not affected, the first sole 201, the connecting layer 202 and the second sole 203 are in the form of injection molding splicing, and three colors are arranged on the first sole 201, the connecting layer 202 and the second sole 203.

[0026] The contact layer 1 is made of polyamide thermoplastic elastomer material, good high resilience is improved, the contact layer 1 can rebound when the foamed shoe is stepped on, deformation is prevented, the thickening layer 6 and the inner core 7 on the inner wall of the contact layer 1 are both made of ethylene-vinyl acetate copolymer, have very high softness, the contact layer 1 can provide good softness when the contact layer 1 is stepped on, the comfort is ensured, and the materials of the contact layer 1, the thickening layer 6 and the inner core 7 are all common materials of the foamed sole.

[0027] Although the utility model has been illustrated and described through the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of claims.

Claims

1. A foamed shoe sole with a three-color effect comprising a contact layer (1) and a first flashing (3), characterized in that: The top of the contact layer (1) is fixedly connected with the bottom of the first guard edge (3), and the bottom of the contact layer (1) is connected with the protection structure (2); The protection structure (2) comprises a first sole (201) and a connecting layer (202), the top of the first sole (201) is fixedly connected with the bottom left side of the contact layer (1), the right side of the first sole (201) is fixedly connected with the left side of the connecting layer (202), and the right side of the connecting layer (202) is fixedly connected with the second sole (203); The first sole (201), the connecting layer (202) and the second sole (203) are all combined materials of rubber and polyurethane; The first sole (201), the connecting layer (202) and the second sole (203) are in the form of injection molding splicing, and the first sole (201), the connecting layer (202) and the second sole (203) are provided with three colors.

2. The foamed shoe sole with tricolor effect according to claim 1, characterized in that: The top of the connecting layer (202) and the second sole (203) is fixedly connected with the bottom of the contact layer (1).

3. The foamed shoe sole with tricolor effect according to claim 1, characterized in that: The bottom of the first sole (201), the connecting layer (202) and the second sole (203) is fixedly connected with a plurality of protrusions (5).

4. The foamed shoe sole with three-color effect according to claim 1, characterized in that: The top left side of the contact layer (1) is fixedly connected with the second guard edge (4).

5. The foamed shoe sole with tricolor effect according to claim 1, characterized in that: The inner walls of the contact layer (1) are fixedly connected with thickening layers (6) on the upper and lower sides.

6. The foamed shoe sole with tricolor effect according to claim 5, characterized in that: The inner side of the thickening layer (6) is fixedly connected with an inner core (7).

Citation Information

Patent Citations

  • Foaming sole

    CN221059727U