CN220753123U - Fire-resistant flame-retardant electric wire - Google Patents

Fire-resistant flame-retardant electric wire Download PDF

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Publication number
CN220753123U
CN220753123U CN202322289861.3U CN202322289861U CN220753123U CN 220753123 U CN220753123 U CN 220753123U CN 202322289861 U CN202322289861 U CN 202322289861U CN 220753123 U CN220753123 U CN 220753123U
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CN
China
Prior art keywords
fire
layer
fixedly arranged
wire
plastic pipe
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Active
Application number
CN202322289861.3U
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Chinese (zh)
Inventor
林伟进
薛期伟
王小玲
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Shaanxi Chang'an Cable Industry Co ltd
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Shaanxi Chang'an Cable Industry Co ltd
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Priority to CN202322289861.3U priority Critical patent/CN220753123U/en
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Abstract

The utility model discloses a fire-resistant flame-retardant wire, which comprises an outer cladding and a plurality of wire cores, wherein a plastic pipe is arranged in the outer cladding, a plurality of limiting mechanisms are uniformly arranged on the outer side wall of the plastic pipe, a plurality of wire cores are respectively coated with insulating covers, polyvinyl chloride fillers are filled in the outer cladding, the insulating covers penetrate through the plurality of opposite limiting mechanisms and are in sliding connection with the limiting mechanisms, the limiting mechanisms comprise a plurality of connecting blocks which are fixedly arranged on the outer side wall of the plastic pipe and are uniformly arranged, and arc-shaped clamping plates are fixedly arranged on the connecting blocks. The utility model has reasonable structural design, can independently support each wire core in the electric wire, is not easy to contact with the wire core even when the insulating skin wrapping the wire core is damaged, reduces the occurrence of fire disaster caused by mutual contact short circuit of the wire core, and can extinguish the ignited flame in time and prevent the spread of the fire in time even if spontaneous combustion occurs.

Description

Fire-resistant flame-retardant electric wire
Technical Field
The utility model relates to the technical field of wires and cables, in particular to a fire-resistant flame-retardant wire.
Background
Because of the continuous rapid development of construction engineering, the requirements on heat resistance, fire resistance, water resistance, tensile strength and the like of the electric wire are higher and higher, and the inside of the electric wire at present not only comprises a sleeve of a conductor, but also comprises a filling body and a protective layer, so that the performance enhancement of the electric wire is ensured, and the electric wire is suitable for different environments and places.
In the prior art, the existing electric wire consists of a wire core with a plurality of outer surfaces wrapped by an outer layer and an insulating sheath, the safety performance is poor, when the insulating sheath wrapped by the wire core is damaged, the wire core and the wire core can be contacted to cause the circuit to forge and short circuit so as to cause spontaneous combustion to cause fire, and therefore, the fireproof flame-retardant electric wire is designed to solve the problems.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a fire-resistant flame-retardant wire.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a fire-resistant fire-retardant electric wire, includes surrounding layer and a plurality of sinle silk, be equipped with the plastic tubing in the surrounding layer, the lateral wall of plastic tubing evenly is provided with a plurality of stop gear, and is a plurality of all the cladding has insulating skin on the sinle silk, the inside packing of surrounding layer has polyvinyl chloride filler, a plurality of insulating skin all runs through a plurality of stop gear relative and rather than sliding connection.
Preferably, the limiting mechanism comprises a plurality of connecting blocks which are fixedly arranged on the outer side wall of the plastic pipe and are uniformly arranged, an arc-shaped clamping plate is fixedly arranged on each connecting block, rubber pads are fixedly arranged on the inner wall of each arc-shaped clamping plate, and the insulating leather penetrates through the plurality of opposite rubber pads and is in sliding connection with the rubber pads.
Preferably, the outer cladding comprises an epoxy resin outer surface layer arranged on the outermost layer, a chlorinated polyethylene fireproof layer is fixedly arranged on the inner wall of the epoxy resin outer surface layer, and a rubber inner layer is fixedly arranged on the inner wall of the chlorinated polyethylene fireproof layer.
Preferably, the insulating skin is made of styrene-butadiene rubber.
Compared with the prior art, the utility model has the beneficial effects that:
1. through polyvinyl chloride filler and stop gear's setting, it can independently support each sinle silk in the electric wire, even when the insulating skin of parcel sinle silk takes place to damage, also be difficult to produce the contact between sinle silk and the sinle silk, reduces the condition emergence of sinle silk mutual contact short circuit initiation conflagration.
2. Through the arrangement of the plastic pipe and the dry powder extinguishing agent filled in the plastic pipe, when spontaneous combustion occurs, the plastic pipe is burnt and damaged to release the dry powder extinguishing agent in the plastic pipe, and the dry powder extinguishing agent reacts under the condition of high temperature to generate a large amount of carbon dioxide to cover a fire source, so that a good extinguishing effect is achieved.
In summary, the utility model has reasonable structural design, can independently support each wire core in the electric wire, is not easy to contact with the wire core even if the insulating skin wrapping the wire core is damaged, reduces the occurrence of fire disaster caused by mutual contact of the wire core, and can extinguish the ignited flame in time and prevent the spread of the fire in time even if spontaneous combustion occurs.
Drawings
Fig. 1 is a schematic perspective view of a fire-resistant flame-retardant wire according to the present utility model;
FIG. 2 is a cross-sectional view of a fire-resistant flame-retardant wire according to the present utility model;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
fig. 4 is an enlarged view of the structure at B in fig. 2.
In the figure: 1 outer cladding, 101 epoxy resin outer surface layer, 102 chlorinated polyethylene fireproof layer, 103 rubber inner layer, 2 plastic pipe, 3 arc clamping plate, 4 insulating skin, 5 polyvinyl chloride filler, 6 connecting block, 7 wire core, 8 rubber pad, 9 dry powder extinguishing agent.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 to 4, a fire-resistant flame-retardant wire comprises an outer wrapping layer 1 and a plurality of wire cores 7, wherein the outer wrapping layer 1 comprises an epoxy resin outer surface layer 101 arranged on the outermost layer, the epoxy resin outer surface layer 101 has good wear resistance, the wire cores 7 inside can be well protected, a chlorinated polyethylene flame-retardant layer 102 is fixedly arranged on the inner wall of the epoxy resin outer surface layer 101, the chlorinated polyethylene flame-retardant layer 102 has good fire resistance, a rubber inner layer 103 is fixedly arranged on the inner wall of the chlorinated polyethylene flame-retardant layer 102, the rubber inner layer 103 is soft in texture and convenient to bend, a plastic pipe 2 is arranged in the outer wrapping layer 1, a dry powder extinguishing agent 9 is filled in the plastic pipe 2 and is formed by mixing sodium bicarbonate and ammonium carbonate, the plastic pipe 2 and the dry powder extinguishing agent 9 filled in the plastic pipe are arranged through the arrangement of the plastic pipe 2, when spontaneous combustion occurs, the plastic pipe 2 is burnt and damaged, the dry powder extinguishing agent 9 inside is released, and the dry powder extinguishing agent 9 reacts under the condition of high temperature to generate a large amount of carbon dioxide to cover the fire source, a good fire-extinguishing effect is achieved, a plurality of limiting mechanisms are uniformly arranged on the outer side walls of the plastic pipe 2, the limiting mechanisms comprise a plurality of rubber pads 3 and a plurality of arc-shaped connecting plates 8 are fixedly arranged on the outer side walls of the plastic pipe 2 and fixedly connected with the connecting blocks 6, and the arc-shaped connecting blocks are fixedly arranged on the connecting blocks and are fixedly connected with the connecting blocks 8 and fixedly arranged;
all the cladding has insulating skin 4 on a plurality of sinle silk 7, insulating skin 4 is made by styrene-butadiene rubber, the inside of surrounding layer 1 is filled with polyvinyl chloride filler 5, polyvinyl chloride filler 5 has good flame retardant efficiency, and can support the protection to sinle silk 7, a plurality of insulating skins 4 all run through a plurality of stop gear of relative and rather than sliding connection, through setting up of polyvinyl chloride filler 5 and stop gear, it can independently support each sinle silk 7 in the electric wire, even when the insulating skin 4 of parcel sinle silk 7 takes place to damage, also be difficult to produce the contact between sinle silk 7 and the sinle silk 7, reduce the condition emergence of sinle silk 7 mutual contact short circuit initiation conflagration.
The utility model can explain its functional principle by the following modes of operation:
when the electric wire is produced, the plastic pipe 2 is filled with the dry powder extinguishing agent 9, each wire core 7 passes through the corresponding arc clamping plate 3, the arc clamping plates 3 limit and fix the wire cores 7, so that each wire core 7 cannot be mutually contacted, the polyvinyl chloride filler 5 is filled outside the plastic pipe 2, then the rubber inner layer 103, the chlorinated polyethylene fireproof layer 102 and the epoxy resin outer layer 101 are sequentially coated on the outer surface of the polyvinyl chloride filler 5, when the electric wire is spontaneous-fired, the fired flame melts the plastic pipe 2, the dry powder extinguishing agent 9 in the plastic pipe 2 leaks out, and the dry powder extinguishing agent 9 reacts under the condition of high temperature to generate a large amount of carbon dioxide to cover the fire source, so that the fire source is extinguished.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (4)

1. The utility model provides a fire-resistant fire-retardant electric wire, includes surrounding layer (1) and a plurality of sinle silk (7), its characterized in that, be equipped with plastic tubing (2) in surrounding layer (1), the lateral wall of plastic tubing (2) evenly is provided with a plurality of stop gear, and a plurality of all cladding has insulating skin (4) on sinle silk (7), the inside of surrounding layer (1) is filled has polyvinyl chloride filler (5), a plurality of insulating skin (4) all run through a plurality of stop gear relative and rather than sliding connection.
2. The fire-resistant flame-retardant wire according to claim 1, wherein the limiting mechanism comprises a plurality of uniformly arranged connecting blocks (6) fixedly arranged on the outer side wall of the plastic pipe (2), an arc-shaped clamping plate (3) is fixedly arranged on each connecting block (6), rubber pads (8) are fixedly arranged on the inner wall of each arc-shaped clamping plate (3), and the insulating leather (4) penetrates through the plurality of opposite rubber pads (8) and is in sliding connection with the rubber pads.
3. The fire-resistant and flame-retardant wire according to claim 1, wherein the outer covering (1) comprises an outer epoxy resin surface layer (101) arranged on the outermost layer, a chlorinated polyethylene fireproof layer (102) is fixedly arranged on the inner wall of the outer epoxy resin surface layer (101), and a rubber inner layer (103) is fixedly arranged on the inner wall of the chlorinated polyethylene fireproof layer (102).
4. A fire-resistant flame-retardant electric wire according to claim 1, characterized in that the insulating sheath (4) is made of styrene-butadiene rubber.
CN202322289861.3U 2023-08-25 2023-08-25 Fire-resistant flame-retardant electric wire Active CN220753123U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322289861.3U CN220753123U (en) 2023-08-25 2023-08-25 Fire-resistant flame-retardant electric wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322289861.3U CN220753123U (en) 2023-08-25 2023-08-25 Fire-resistant flame-retardant electric wire

Publications (1)

Publication Number Publication Date
CN220753123U true CN220753123U (en) 2024-04-09

Family

ID=90556580

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322289861.3U Active CN220753123U (en) 2023-08-25 2023-08-25 Fire-resistant flame-retardant electric wire

Country Status (1)

Country Link
CN (1) CN220753123U (en)

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