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Fireproof cable bundle

A technology of cable bundles and wire harnesses, applied in the direction of cables, insulated cables, conductors, etc., can solve problems such as economic loss, diffusion, and combustion, and achieve the effects of improving safety, improving stability, and preventing leakage of retardant oil

Inactive Publication Date: 2017-04-26
CHINA SCI TIANGONG ELECTRICAL HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In factory work and household circuits, the electrical components in the distribution box are often overloaded and burned due to the aging of the line, and because the distribution box is charged and has many plastic parts, once it burns, it is easy to burn. As the line spreads, it causes greater economic losses

Method used

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  • Fireproof cable bundle

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Embodiment Construction

[0022] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0023] like figure 1 As shown, the present invention is a fireproof cable harness, which includes a closed casing made of steel plate, a harness tube is fixed in the middle of the closed casing, the harness tube is made of PVC, and the The axial two ends of the wire harness tube penetrate through the walls of the closed casing at both ends in the axial direction, wherein an annular flame-retardant casing is also arranged on the wall surface of the wire harness tube corresponding to the inner section of the closed casing. The two axial ends of the flame-retardant case are respectively provided with an extension part, and the inner wall of the extension part is...

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Abstract

The invention relates to a fireproof cable bundle comprising an enclosed cover piece made of steel plates. A bunch pipe made of PVC materials is fixed in the middle of the enclosed cover piece; and the axial two ends of the bunch pipe penetrate the axial wall surfaces of the two ends of the enclosed cover piece. A flame-retardant cover piece is also arranged at the wall surface, corresponding to the internal segment of the enclosed cover piece, of the bunch pipe and is made of a polyformaldehyde material; a flame-retardant cavity is formed between the flame-retardant cover piece and the bunch pipe; annular flame-retardant layer formed by a plurality of column-shaped flame-retardant oil bags is arranged inside the flame-retardant cavity; and the flame-retardant oil bags are made of oil-resistant rubber materials and are filled with flame-retardant silicone oil. According to the fireproof cable bundle, a flame-retardant mechanism that can burst when a wire pipe burns to enable the flame-retardant silicone oil to fill the cable so as to realize a flame-retardant effect is arranged, so that security of the cable can be improved and fire spreading with the cable can be prevented.

Description

technical field [0001] The invention relates to a fireproof cable harness, which belongs to the field of electrical cabinet accessories. Background technique [0002] In factory work and household circuits, the electrical components in the distribution box are often overloaded and burned due to the aging of the line, and because the distribution box is charged and has many plastic parts, once it burns, it is easy to burn. As the line spreads, it will cause greater economic losses. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a fireproof cable harness by overcoming the technical problems in the prior art. [0004] The technical solution adopted by the present invention to solve its technical problems is: [0005] A fireproof cable harness, comprising a closed case, the closed case is made of steel plate, a harness tube is fixed in the middle of the closed case, the harness tube is made of PVC, the shaft of th...

Claims

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Application Information

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IPC IPC(8): H01B7/295H01B7/40H01B7/18
CPCH01B7/295H01B7/185H01B7/40
Inventor 王海红马勇刘亚群
Owner CHINA SCI TIANGONG ELECTRICAL HLDG
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