A type of pressure-resistant and anti-aging wire and cable

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By using a multi-layered structure with staggered conductive cores and protective strips, combined with specific materials, the problems of cable resistance to pressure and aging under external extrusion are solved, thus improving the overall performance of the cable.

CN224519543UActive Publication Date: 2026-07-17TIANJIN LIUYI SPECIAL CABLE CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: TIANJIN LIUYI SPECIAL CABLE CO LTD
Filing Date: 2025-08-18
Publication Date: 2026-07-17

AI Technical Summary

Technical Problem

Existing pressure-resistant and anti-aging wires and cables are unable to effectively absorb impact energy when squeezed by external objects, resulting in damage to the conductive core, and their waterproof and flame-retardant properties are limited.

Method used

Interlaced conductive cores and protective strips are wound around the outside of the central core, combined with specific materials such as aramid fiber bundles, glass fiber reinforced PA, ceramicized silicone rubber and fluororubber, to form a multi-layer structure to enhance compressive strength and anti-aging properties.

Benefits of technology

It improves the compressive strength of wires and cables, reduces the impact of external forces on the conductive core, enhances waterproof and flame-retardant properties, and extends service life.

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Abstract

This utility model relates to the field of wire and cable technology, specifically to a pressure-resistant and anti-aging wire and cable, comprising a center core, conductive cores, and protective strips. The cable body is composed of the center core, conductive cores, and protective strips. Multiple conductive cores and protective strips are staggered and wound around the outside of the center core at a helical angle of 45±5 degrees. An insulating layer is fitted on the outside of the hollow cylinder formed by the conductive cores and protective strips. A protective layer is then placed outside the insulating layer, and an anti-aging layer is placed outside the protective layer. In this utility model, the cable body formed by the staggered arrangement of protective strips and conductive cores wound around the outside of the center core allows the protective strips to deform and absorb impact energy when subjected to external pressure, reducing the impact on the conductive cores. Furthermore, the center core further enhances its pressure resistance.

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