High-toughness sponge

Through the multi-layer composite structural design, the problem of single performance on the front and back sides of the traditional sponge layer is solved, and different rebound and support on the front and back sides are achieved, which improves the toughness of the sponge.

CN223147934UActive Publication Date: 2025-07-25JIASHAN WANGJIAFENGFAN SPONGE PROD CO LTD
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Patent Information

Application Number
CN202422088512.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-27
Publication Date
2025-07-25
Estimated Expiration
2034-08-27

AI Technical Summary

Technical Problem

The traditional sponge layer has the same structure throughout the body, and the front and back sides do not have different mechanical support properties, the functionality is single, and the rebound toughness is average.

Method used

The multi-layer structural design is adopted, including a polyvinyl alcohol sponge base layer, a first latex filling layer, a nylon mesh cloth draft layer, a rubber cotton layer and a multi-layer latex filling layer, and different types of sponge filling balls are filled between each layer to form a composite structure.

Benefits of technology

The performance of two different rebound and support levels on the front and back sides is achieved, and the structural toughness of the sponge is improved.

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Abstract

The utility model relates to the technical field of high-toughness sponges, and discloses a high-toughness sponge which comprises a polyvinyl alcohol sponge base layer and a first latex filling layer fixed on the upper end face of the polyvinyl alcohol sponge base layer in a gluing manner, a first latex filling layer is fixedly arranged on the upper end face of the polyvinyl alcohol sponge base layer, a nylon gridding cloth drafting layer is fixedly arranged on the upper end face of the first latex filling layer in an adhesive mode, a first rubber cotton layer is fixedly arranged on the lower end face of the polyvinyl alcohol sponge base layer in an adhesive mode, and a second latex filling layer is fixedly arranged on the lower end face of the first rubber cotton layer in an adhesive mode. Through the multi-layer structural design, the performance of two different springback and supporting degrees of the front face and the back face can be achieved, and the structural toughness is good.
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Description

Technical Field

[0001] The utility model relates to the technical field of high-toughness sponges, in particular to a high-toughness sponge. Background Art

[0002] The traditional sponge layer has a consistent overall structure, without different mechanical support performances on the front and back, with a single function and general resilience toughness. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is: in order to overcome the above problems, a high-toughness sponge is provided, which solves the above problems.

[0004] The utility model solves its technical problem by adopting the following technical solutions:

[0005] A high-toughness sponge includes a polyvinyl alcohol sponge base layer and a first latex filling layer adhesively fixed to the upper end surface of the polyvinyl alcohol sponge base layer. And a nylon mesh stretching layer is adhesively fixed to the upper end surface of the first latex filling layer. And a first rubber cotton layer is adhesively fixed to the lower end surface of the polyvinyl alcohol sponge base layer. And a second latex filling layer is adhesively fixed to the lower end surface of the first rubber cotton layer.

[0006] Preferably, foamed sponge filling groups are filled at intervals in the first latex filling layer, and the thickness of the foamed sponge filling groups is at least half of the thickness of the first latex filling layer.

[0007] Preferably, a second polyurethane slow-rebound sponge is adhesively fixed to the upper end surface of the nylon mesh stretching layer. And a second rubber cotton layer is adhesively fixed to the lower end surface of the second latex filling layer, and the thickness of the second rubber cotton layer is the same as that of the second polyurethane slow-rebound sponge.

[0008] Preferably, a third latex filling layer is adhesively fixed to the lower end surface of the second rubber cotton layer, and closed-cell foamed sponge filling groups are filled at intervals in the second latex filling layer.

[0009] Preferably, the closed-cell foamed sponge filling groups are filled at intervals in the third latex filling layer, and the closed-cell foamed sponge filling groups filled in the third latex filling layer are staggered from the closed-cell foamed sponge filling groups filled in the second latex filling layer.

[0010] Preferably, a layer of first polyurethane slow-rebound sponge is adhesively fixed to the upper end surface of the second polyurethane slow-rebound sponge, and the thickness of the first polyurethane slow-rebound sponge is twice that of the second polyurethane slow-rebound sponge.

[0011] The advantages and positive effects of the present utility model are as follows: Through the multi-layer structure design, the performance of two different rebound and support degrees on the front and back sides can be achieved, and the structure has good toughness. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0013] Figure 1 is a schematic structural diagram of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0014] The present utility model will now be further described in detail with reference to the drawings. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present utility model in a schematic manner, so they only show the components related to the present utility model.

[0015] The following further details the embodiments of the present utility model with reference to the drawings:

[0016] As Figure 1 shown, a high-toughness sponge according to the present utility model includes a polyvinyl alcohol sponge base layer 15 and a first latex filling layer 13 adhesively fixed to the upper end surface of the polyvinyl alcohol sponge base layer 15. And a nylon mesh fabric stretching layer 12 is adhesively fixed to the upper end surface of the first latex filling layer 13. And a first rubber cotton layer 16 is adhesively fixed to the lower end surface of the polyvinyl alcohol sponge base layer 15. And a second latex filling layer 17 is adhesively fixed to the lower end surface of the first rubber cotton layer 16.

[0017] Preferably, foamed sponge filling masses 14 are filled at intervals in the first latex filling layer 13, and the thickness of the foamed sponge filling masses 14 is at least half of the thickness of the first latex filling layer 13.

[0018] Preferably, a second polyurethane slow-rebound sponge 11 is adhesively fixed to the upper end surface of the nylon mesh fabric stretching layer 12. And a second rubber cotton layer 18 is adhesively fixed to the lower end surface of the second latex filling layer 17, and the thicknesses of the second rubber cotton layer 18 and the second polyurethane slow-rebound sponge 11 are the same.

[0019] Preferably, a third latex filling layer 19 is adhesively fixed to the lower end surface of the second rubber cotton layer 18. And closed-cell foamed sponge filling masses 20 are filled at intervals in the second latex filling layer 17.

[0020] Preferably, the closed-cell foamed sponge filling masses 20 are filled at intervals in the third latex filling layer 19, and the closed-cell foamed sponge filling masses 20 filled in the third latex filling layer 19 are staggered from the closed-cell foamed sponge filling masses 20 filled in the second latex filling layer 17.

[0021] Preferably, a layer of first polyurethane slow rebound sponge 10 is adhesively fixed on the upper end surface of the second polyurethane slow rebound sponge 11, and the thickness of the first polyurethane slow rebound sponge 10 is twice the thickness of the second polyurethane slow rebound sponge 11.

[0022] It should be emphasized that the embodiments described in the present invention are illustrative rather than restrictive. Therefore, the present invention is not limited to the embodiments described in the specific implementation manners. Any other implementation manners obtained by those skilled in the art based on the technical solutions of the present invention also fall within the protection scope of the present invention.

Claims

1. A highly resilient sponge, characterized in that: It includes a polyvinyl alcohol sponge base layer (15) and a first latex filling layer (13) adhesively fixed to the upper end surface of the polyvinyl alcohol sponge base layer (15). And a nylon mesh fabric stretching layer (12) is adhesively fixed to the upper end surface of the first latex filling layer (13). And a first rubber cotton layer (16) is adhesively fixed to the lower end surface of the polyvinyl alcohol sponge base layer (15). And a second latex filling layer (17) is adhesively fixed to the lower end surface of the first rubber cotton layer (16).

2. The high-toughness sponge according to claim 1, wherein: Foamed sponge filling masses (14) are filled at intervals in the first latex filling layer (13), and the thickness of the foamed sponge filling masses (14) is at least half of the thickness of the first latex filling layer (13).

3. The high-tenacity sponge according to claim 2, characterized in that: A second polyurethane slow-rebound sponge (11) is adhesively fixed to the upper end surface of the nylon mesh fabric stretching layer (12). And a second rubber cotton layer (18) is adhesively fixed to the lower end surface of the second latex filling layer (17). And the second rubber cotton layer (18) and the second polyurethane slow-rebound sponge (11) have the same thickness.

4. A highly resilient sponge according to claim 3, characterized in that: A third latex filling layer (19) is adhesively fixed to the lower end surface of the second rubber cotton layer (18). And closed-cell foamed sponge filling masses (20) are filled at intervals in the second latex filling layer (17).

5. A highly resilient sponge according to claim 4, characterized in that: Closed-cell foamed sponge filling masses (20) are filled at intervals in the third latex filling layer (19). And the closed-cell foamed sponge filling masses (20) filled in the third latex filling layer (19) are staggered from the closed-cell foamed sponge filling masses (20) filled in the second latex filling layer (17).

6. The high-toughness sponge according to claim 5, wherein: A layer of first polyurethane slow-rebound sponge (10) is adhesively fixed to the upper end surface of the second polyurethane slow-rebound sponge (11). The thickness of the first polyurethane slow-rebound sponge (10) is twice the thickness of the second polyurethane slow-rebound sponge (11).