Multi-structure hollow conductive foam

By introducing a multi-structure design into the hollow conductive foam, the combination of inner and outer protective layers improves the protective performance, solves the problem of unsatisfactory protective effect, and extends the service life.

CN224460400UActive Publication Date: 2026-07-03SUZHOU WANGSHUNYUAN PHOTOELECTRIC TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU WANGSHUNYUAN PHOTOELECTRIC TECH CO LTD
Filing Date
2025-06-30
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing hollow conductive foam does not provide ideal protection during use and is easily damaged by external factors, affecting its service life.

Method used

It adopts a multi-structure design, including a positioning cylinder, an inner protective layer and an outer protective layer. The inner protective layer consists of a heat insulation layer, a waterproof layer, an antistatic layer and a wear-resistant layer, while the outer protective layer consists of a tensile layer and a conductive layer. The combination of these layers improves the protective performance.

Benefits of technology

This enhances the protective effect of the conductive foam, improves its resistance to damage, and extends its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of multi-structure hollow conductive foam, it is related to conductive foam technical field, improve the problem that protection effect is not ideal, conductive foam is easily damaged due to external factors in daily use process, including positioning cylinder, the inner surface of the positioning cylinder is provided with inner protective layer, the outer surface of the positioning cylinder is uniformly provided with flame-retardant sponge, the outer surface of the flame-retardant sponge is provided with outer protective layer, the outer protective layer includes tensile layer and conductive layer, the inner protective layer includes heat insulation layer, waterproof layer, antistatic layer and wear layer, the utility model is constructed by setting positioning cylinder and flame-retardant sponge together and constructs conductive foam, by setting inner protective layer, the inner surface of conductive foam can be protected, by setting outer protective layer, the outer surface of conductive foam can be protected, the protection effect of this mode to conductive foam is good, not easy to be damaged due to external influence, service life is long.
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Description

Technical Field

[0001] This utility model relates to the field of conductive foam technology, and in particular to a multi-structure hollow conductive foam. Background Technology

[0002] Conductive foam refers to conductive fabric wrapped around flame-retardant sponge. After a series of treatments, it has good surface conductivity and can be easily fixed to the device to be shielded with adhesive tape. Shielding materials with different cross-sectional shapes, installation methods, UL ratings, and shielding effectiveness are available. Although the hollow conductive foam currently used can meet normal usage requirements, it still has shortcomings in actual use. For example, the protective effect of the conductive foam currently used is not ideal, and it is easily damaged by external factors during daily use, affecting its service life. Improvements are needed. Therefore, a multi-structure hollow conductive foam is proposed. Utility Model Content

[0003] To address the issue of unsatisfactory protective effects and the susceptibility of conductive foam to damage due to external factors during daily use, this invention provides a multi-structure hollow conductive foam.

[0004] This utility model provides a multi-structure hollow conductive foam, which adopts the following technical solution:

[0005] A multi-structure hollow conductive foam includes a positioning cylinder, an inner protective layer on the inner surface of the positioning cylinder, flame-retardant sponge uniformly distributed on the outer surface of the positioning cylinder, and an outer protective layer on the outer surface of the flame-retardant sponge.

[0006] The outer protective layer includes a tensile layer and a conductive layer;

[0007] The inner protective layer includes a heat insulation layer, a waterproof layer, an antistatic layer, and a wear-resistant layer.

[0008] By adopting the above technical solution, the inner surface of the conductive foam can be protected, as well as the outer surface of the conductive foam. This method provides good protection for the conductive foam, making it less susceptible to damage from external influences and extending its service life.

[0009] Optionally, the tensile layer is located on the outer surface of the flame-retardant sponge, and the conductive layer is located on the outer surface of the tensile layer.

[0010] Optionally, the heat insulation layer is disposed on the inner surface of the positioning cylinder, and the waterproof layer is disposed on the inner surface of the heat insulation layer.

[0011] Optionally, the antistatic layer is disposed on the inner surface of the waterproof layer, and the wear-resistant layer is disposed on the inner surface of the antistatic layer.

[0012] Optionally, the tensile layer is a polypropylene fiber layer, and the conductive layer is a conductive cloth adhesive layer.

[0013] Optionally, the heat insulation layer is a glass fiber film layer, and the waterproof layer is a waterproof and breathable membrane.

[0014] Optionally, the antistatic layer is a conductive fiber layer, and the wear-resistant layer is a polytetrafluoroethylene fiber layer.

[0015] In summary, this utility model has the following beneficial effects:

[0016] This invention constructs conductive foam by using a positioning cylinder and flame-retardant sponge. The inner protective layer protects the inner surface of the conductive foam, and the outer protective layer protects the outer surface. This method provides good protection for the conductive foam, making it less susceptible to damage from external factors and extending its service life. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a cross-sectional view of the structure of this utility model;

[0019] Figure 3 This is a partial cross-sectional view of the inner protective layer structure of this utility model;

[0020] Figure 4 This is a partial cross-sectional view of the outer protective layer structure of this utility model.

[0021] In the diagram: 1. Positioning cylinder; 2. Inner protective layer; 201. Heat insulation layer; 202. Waterproof layer; 203. Antistatic layer; 204. Wear-resistant layer; 3. Flame-retardant sponge; 4. Outer protective layer; 401. Tensile layer; 402. Conductive layer. Detailed Implementation

[0022] 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.

[0023] Example:

[0024] Please refer to Figure 1-4 A multi-structure hollow conductive foam includes a positioning cylinder 1, an inner protective layer 2 is provided on the inner surface of the positioning cylinder 1, a flame-retardant sponge 3 is uniformly provided on the outer surface of the positioning cylinder 1, and an outer protective layer 4 is provided on the outer surface of the flame-retardant sponge 3.

[0025] The outer protective layer 4 includes a tensile layer 401 and a conductive layer 402;

[0026] The inner protective layer 2 includes a heat insulation layer 201, a waterproof layer 202, an antistatic layer 203, and a wear-resistant layer 204.

[0027] As a further technical optimization of this utility model, the tensile layer 401 is located on the outer surface of the flame-retardant sponge 3, and the conductive layer 402 is located on the outer surface of the tensile layer 401.

[0028] As a further technical optimization of this utility model, the heat insulation layer 201 is disposed on the inner surface of the positioning cylinder 1, and the waterproof layer 202 is disposed on the inner surface of the heat insulation layer 201.

[0029] As a further technical optimization of this utility model, the antistatic layer 203 is disposed on the inner surface of the waterproof layer 202, and the wear-resistant layer 204 is disposed on the inner surface of the antistatic layer 203.

[0030] As a further technical optimization of this utility model, the tensile layer 401 is a polypropylene fiber layer. Polypropylene fiber has the advantages of high strength, good toughness, good chemical resistance and antimicrobial properties, and low price. It is a good tensile material. The conductive layer 402 is a conductive cloth adhesive layer.

[0031] As a further technical optimization of this utility model, the heat insulation layer 201 is a glass fiber film layer. Glass fiber has good insulation, heat resistance and corrosion resistance. The waterproof layer 202 is a waterproof and breathable membrane. The waterproof and breathable membrane is a new type of polymer waterproof material. In terms of manufacturing process, the technical requirements of the waterproof and breathable membrane are much higher than those of ordinary waterproof materials. It is a good waterproof material.

[0032] As a further technical optimization of this utility model, the antistatic layer 203 is a conductive fiber layer. Conductive fibers have far superior static elimination and prevention performance compared to antistatic fibers, and their resistivity remains constant and is basically unaffected by humidity. At the same time, conductive fibers can quickly leak and disperse the generated static electricity, effectively preventing the local accumulation of static electricity. The wear-resistant layer 204 is a polytetrafluoroethylene fiber layer. Polytetrafluoroethylene has excellent chemical stability, corrosion resistance, sealing properties, high lubricity and non-stickiness, electrical insulation, and good wear resistance.

[0033] In this embodiment, conductive foam is constructed by setting positioning cylinder 1 and flame-retardant sponge 3. The inner protective layer 2 can protect the inner surface of the conductive foam, and the outer protective layer 4 can protect the outer surface of the conductive foam. This method provides good protection for the conductive foam, making it less susceptible to damage from external influences and extending its service life.

[0034] The implementation principle of this utility model is as follows: In use, conductive foam is constructed by positioning cylinder 1 and flame-retardant sponge 3. The inner protective layer 2 protects the inner surface of the conductive foam. The heat insulation layer 201 improves the heat insulation performance of the conductive foam surface, the waterproof layer 202 improves the waterproof performance of the conductive foam surface, the antistatic layer 203 improves the antistatic performance of the conductive foam surface, and the wear-resistant layer 204 improves the wear resistance of the conductive foam surface. The outer protective layer 4 protects the outer surface of the conductive foam. The tensile layer 401 improves the tensile strength of the conductive foam, and the conductive layer 402 improves the conductivity of the conductive foam surface. This method provides good protection for the conductive foam, making it less susceptible to damage from external influences and extending its service life.

[0035] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A multi-structured hollow conductive foam, comprising a positioning cylinder (1), characterized in that: The inner surface of the positioning cylinder (1) is provided with an inner protective layer (2), the outer surface of the positioning cylinder (1) is uniformly provided with flame-retardant sponge (3), and the outer surface of the flame-retardant sponge (3) is provided with an outer protective layer (4). The outer protective layer (4) includes a tensile layer (401) and a conductive layer (402). The inner protective layer (2) includes a heat insulation layer (201), a waterproof layer (202), an antistatic layer (203), and a wear-resistant layer (204).

2. The multi-structured hollow conductive foam according to claim 1, wherein: The tensile layer (401) is located on the outer surface of the flame-retardant sponge (3), and the conductive layer (402) is located on the outer surface of the tensile layer (401).

3. The multi-structured hollow conductive foam according to claim 1, wherein: The heat insulation layer (201) is disposed on the inner surface of the positioning cylinder (1), and the waterproof layer (202) is disposed on the inner surface of the heat insulation layer (201).

4. The multi-structured hollow conductive foam according to claim 1, wherein: The antistatic layer (203) is disposed on the inner surface of the waterproof layer (202), and the wear-resistant layer (204) is disposed on the inner surface of the antistatic layer (203).

5. The multi-structured hollow conductive foam according to claim 1, wherein: The tensile layer (401) is a polypropylene fiber layer, and the conductive layer (402) is a conductive cloth adhesive layer.

6. The multi-structured hollow conductive foam according to claim 1, wherein: The heat insulation layer (201) is a glass fiber film layer, and the waterproof layer (202) is a waterproof and breathable membrane.

7. The multi-structured hollow conductive foam according to claim 1, wherein: The antistatic layer (203) is a conductive fiber layer, and the wear-resistant layer (204) is a polytetrafluoroethylene fiber layer.