CN209343811U

CN209343811U - A kind of polyvinyl chloride insulating flexible cable

Info

Publication number: CN209343811U
Application number: CN201820333782.4U
Authority: CN
Inventors: 张毅良
Original assignee: Taishan Cable Factory LLC
Current assignee: Taishan Cable Factory LLC
Priority date: 2018-03-12
Filing date: 2018-03-12
Publication date: 2019-09-03
Anticipated expiration: 2028-03-12

Abstract

The utility model discloses a kind of polyvinyl chloride insulating flexible cables, including outer envelope curve set, conductor wire, tension silk, fill wire drawing, wrapping layer, the outer envelope curve set is internal to be arranged protective layer, shielded layer is set inside the protective layer, main flame-retardant layer is set inside the shielded layer, main polyvinyl chloride insulation layer is set inside the main flame-retardant layer, the wrapping layer is set inside the main polyvinyl chloride insulation layer, the tension silk is set among the wrapping layer, twisted bracing wire is set inside the tension silk, wear-resistant friction layer is set outside the tension silk, the uniformly distributed conductor wire beside the tension silk.Beneficial effect is: by adding multi-layer fire-retarded layer, it is on fire to place electric discontinuity of cable, cause fire, while wear-resistant friction layer is set outside tension silk, it prevents tension silk from generating abrasion to cable inside soft portion part in use, while filling wire drawing that cable can be improved is anti-by ability.

Description

A kind of polyvinyl chloride insulating flexible cable

Technical field

The utility model relates to field of cables, more particularly to a kind of polyvinyl chloride insulating flexible cable.

Background technique

It needs good insulating as power generation, metallurgy, chemical industry, machine-building etc. in the factory of a few thing bad environments and resists The high cable of environmental attack ability, good cable protection reduces maintenance cost reduces the generation of Fires Occurred simultaneously.It is right Than the Chinese patent that number of patent application is 201511007215.7, this patent discloses a kind of copper core polyvinyl chloride compound inslation is soft Cable, include more anneal circle copper cores, be wrapped in it is each anneal circle copper core outside polyvinyl chloride-butyronitrile composite insulation layer, with And the polyurethane being set to outside polyvinyl chloride-butyronitrile composite insulation layer extrudes outer jacket.The cable that above-mentioned patent refers to is only simple Single carries out insulation processing using polyvinyl chloride, can not use factory's adverse circumstances well, and the service life is lower, and cause danger Possibility is higher.For the utility model by adding multi-layer fire-retarded layer, placement electric discontinuity of cable is on fire, causes fire, while tension silk Outside setting wear-resistant friction layer, prevents tension silk from generating abrasion to cable inside soft portion part in use, while filling drawing It is anti-by ability that cable can be improved in silk.

Summary of the invention

The purpose of this utility model is that solve the above-mentioned problems and provides a kind of polyvinyl chloride insulating flexible cable.

The utility model achieves the above object through the following technical schemes:

A kind of polyvinyl chloride insulating flexible cable, including outer envelope curve set, conductor wire, tension silk, filling wire drawing, wrapping layer, institute The outer internal setting protective layer of envelope curve set is stated, shielded layer is set inside the protective layer, main flame-retardant layer is set inside the shielded layer, Main polyvinyl chloride insulation layer is set inside the main flame-retardant layer, the wrapping layer is set inside the main polyvinyl chloride insulation layer, The tension silk is set among the wrapping layer, twisted bracing wire is set inside the tension silk, setting is anti-outside the tension silk Wearing layer, the tension silk side are evenly distributed with the conductor wire, setting compound wire inside the conductor wire, outside the conductor wire Conducting wire polyvinyl chloride insulation layer is set, conducting wire flame-retardant layer is set outside the conducting wire polyvinyl chloride insulation layer, the conductor wire with The filling wire drawing is set between the wrapping layer, fire-retardant set is set outside the filling wire drawing.

In above structure, the conductor wire is connected to distribution box and carries out conductive operation, if due to open circuit in conductive operation process The conductor wire temperature is caused sharply to increase, the conducting wire flame-retardant layer plays first step fire retardation, leads described in other to protect Electric wire is from burning, and when the conducting wire flame-retardant layer can not stop the intensity of a fire, the main flame-retardant layer protection prevents cable initiation on fire Fire, the tension silk improve cable tensile property, and the wear-resistant friction layer prevents the tension silk from making to the conducting wire flame-retardant layer Cause to leak electricity at abrasion, the filling wire drawing fastens the conductive line position while improving cable tensile property, prevents institute It states conductor wire generation larger displacement and causes outer envelope curve set rapid wear, the shielded layer shielding external electrical field interference guarantees to transmit electricity and stablize Property.

In order to further ensure the electric conductivity and quality of polyvinyl chloride flexible cable, the protective layer and the shielded layer set It connects, the shielded layer and the main flame-retardant layer grafting.

In order to further ensure the electric conductivity and quality of polyvinyl chloride flexible cable, the main flame-retardant layer and the main polychlorostyrene second The socket of alkene insulating layer, the main polyvinyl chloride insulation layer insulating are Nian Jie with the wrapping layer.

In order to further ensure the electric conductivity and quality of polyvinyl chloride flexible cable, the twisted bracing wire and the wear-resistant friction layer Bonding.

In order to further ensure the electric conductivity and quality of polyvinyl chloride flexible cable, the compound wire and the conducting wire polychlorostyrene The socket of ethylene insulating layer, the conducting wire polyvinyl chloride insulation layer are Nian Jie with the conducting wire flame-retardant layer.

In order to further ensure the electric conductivity and quality of polyvinyl chloride flexible cable, the filling wire drawing and the fire-retardant set set It connects.

In order to further ensure the electric conductivity and quality of polyvinyl chloride flexible cable, the wrapping layer and the filling wire drawing set It connects, the wrapping layer and the conductor wire are socketed, the wrapping layer and the tension silk grafting.

Beneficial effect is: by adding multi-layer fire-retarded layer, placement electric discontinuity of cable is on fire, causes fire, while tension silk Outside setting wear-resistant friction layer, prevents tension silk from generating abrasion to cable inside soft portion part in use, while filling drawing It is anti-by ability that cable can be improved in silk.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of polyvinyl chloride insulating flexible cable described in the utility model；

Fig. 2 is a kind of conductive line structure schematic diagram of polyvinyl chloride insulating flexible cable described in the utility model；

Fig. 3 is a kind of partial structural diagram of the outer envelope curve set of polyvinyl chloride insulating flexible cable described in the utility model.

The reference numerals are as follows:

1, outer envelope curve set；2, conductor wire；3, it is twisted bracing wire；4, tension silk；5, fire-retardant set；6, wire drawing is filled；7, wear-resistant Layer；8, compound wire；9, conducting wire flame-retardant layer；10, conducting wire polyvinyl chloride insulation layer；11, protective layer；12, shielded layer；13, main resistance Fire layer；14, main polyvinyl chloride insulation layer；15, wrapping layer.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing:

As shown in Figure 1-Figure 3, a kind of polyvinyl chloride insulating flexible cable, including outer envelope curve cover 1, conductor wire 2, tension silk 4, fill out Wire drawing 6, wrapping layer 15 are filled, protective layer 11 is arranged in outer 1 inside of envelope curve set, and outer envelope curve set 1 is used to protect its internal part, protective layer 11, for protecting cables from external damage, are arranged shielded layer 12, shielded layer 12 is for shielding external electrical field inside protective layer 11 Interference guarantees transmission of electricity stability, and main flame-retardant layer 13 is arranged inside shielded layer 12, and main flame-retardant layer 13 prevents electricity for further fire-retardant Cable is on fire, and main polyvinyl chloride insulation layer 14 is arranged inside main flame-retardant layer 13, and main polyvinyl chloride insulation layer 14 is used in conducting wire polychlorostyrene Protection conductor wire 2 prevents from leaking electricity when ethylene insulating layer 10 fails, and wrapping layer 15, package are arranged inside main polyvinyl chloride insulation layer 14 For wrapping up internal part tension silk 4 is arranged, tension silk 4 is for improving cable tensile capacity, tension in layer 15 among wrapping layer 15 Twisted bracing wire 3 is arranged in 4 inside of silk, and wear-resistant friction layer is arranged outside tension silk 4 for improving tension silk tensile capacity in twisted bracing wire 3 7, wear-resistant friction layer 7 causes to wear for placing 4 pairs of conductor wires of tension silk, 2 outer lead flame-retardant layer 9, uniformly leads beside tension silk 4 Compound wire 8 is arranged for conductive in electric wire 2, conductor wire 2 inside conductor wire 2, compound wire 8 is used to improve the conduction of conductor wire 2 Conducting wire polyvinyl chloride insulation layer 10 is arranged outside conductor wire 2 for ability, and conducting wire polyvinyl chloride insulation layer 10 is for preventing conductor wire 2 It leaks electricity, conducting wire flame-retardant layer 9 is set outside conducting wire polyvinyl chloride insulation layer 10, flame-retardant layer 9 is conductive for placing 2 spontaneous combustion of conductor wire Setting filling wire drawing 6 between line 2 and wrapping layer 15, the gap that filling wire drawing 6 is used to fill between conductor wire 2 and wrapping layer 15 are same Shi Tigao cable tensile capacity fills and fire-retardant set 5 is arranged outside wire drawing 6, and fire-retardant set 5 is for protecting filling wire drawing 6.

In above structure, conductor wire 2 is connected to distribution box and carries out conductive operation, if since open circuit causes in conductive operation process 2 temperature of conductor wire sharply increases, and conducting wire flame-retardant layer 9 plays first step fire retardation, to protect other conductor wires 2 from burning, When conducting wire flame-retardant layer 9 can not stop the intensity of a fire, the main protection of flame-retardant layer 13 prevents cable initiation fire on fire, and tension silk 4 improves electricity Cable tensile property, wear-resistant friction layer 7 prevent 4 pairs of conducting wire polyvinyl chloride insulation layers 10 of tension silk from abrasion being caused to cause to leak electricity, and filling is drawn Silk 6 fastens 2 position of conductor wire while improving cable tensile property, prevents conductor wire 2 from generating larger displacement and causes outer envelope curve 1 rapid wear is covered, shielded layer 12 shields external electrical field interference, guarantees transmission of electricity stability.

In order to further ensure the electric conductivity and quality of polyvinyl chloride flexible cable, protective layer 11 and shielded layer 12 are socketed, screen Layer 12 and main 13 grafting of flame-retardant layer are covered, main flame-retardant layer 13 is socketed with main polyvinyl chloride insulation layer 14, main polyvinyl chloride insulation layer 14 Insulating layer is Nian Jie with wrapping layer 15, and twisted bracing wire 3 is Nian Jie with wear-resistant friction layer 7, compound wire 8 and conducting wire polyvinyl chloride insulation layer 10 Socket, conducting wire polyvinyl chloride insulation layer 10 is Nian Jie with conducting wire flame-retardant layer 9, filling wire drawing 6 and fire-retardant set 5 socket, wrapping layer 15 and It fills wire drawing 6 to be socketed, wrapping layer 15 and conductor wire 2 are socketed, wrapping layer 15 and 4 grafting of tension silk.

The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change And improvement, these various changes and improvements fall within the scope of the claimed invention.

Claims

1. a kind of polyvinyl chloride insulating flexible cable, it is characterised in that: including outer envelope curve set (1), conductor wire (2), tension silk (4), Wire drawing (6), wrapping layer (15) are filled, protective layer (11) are set inside the outer envelope curve set (1), are set inside the protective layer (11) It sets shielded layer (12), main flame-retardant layer (13) is set inside the shielded layer (12), and setting is main poly- inside the main flame-retardant layer (13) Vinyl chloride insulation layer (14), the main polyvinyl chloride insulation layer (14) is internal to be arranged the wrapping layer (15), the wrapping layer (15) intermediate that the tension silk (4) is set, it is arranged twisted bracing wire (3) inside the tension silk (4), outside the tension silk (4) It is arranged wear-resistant friction layer (7), the uniformly distributed conductor wire (2) beside the tension silk (4), setting is compound inside the conductor wire (2) Conducting wire (8), the conductor wire (2) is external to be arranged conducting wire polyvinyl chloride insulation layer (10), the conducting wire polyvinyl chloride insulation layer (10) external that conducting wire flame-retardant layer (9) are set, the filling wire drawing is set between the conductor wire (2) and the wrapping layer (15) (6), fire-retardant set (5) is set outside the filling wire drawing (6).

2. a kind of polyvinyl chloride insulating flexible cable according to claim 1, it is characterised in that: the protective layer (11) and institute State shielded layer (12) socket, the shielded layer (12) and main flame-retardant layer (13) grafting.

3. a kind of polyvinyl chloride insulating flexible cable according to claim 1, it is characterised in that: the main flame-retardant layer (13) with Main polyvinyl chloride insulation layer (14) socket, main polyvinyl chloride insulation layer (14) insulating layer and the wrapping layer (15) are viscous It connects.

4. a kind of polyvinyl chloride insulating flexible cable according to claim 1, it is characterised in that: the twisted bracing wire (3) with Wear-resistant friction layer (7) bonding.

5. a kind of polyvinyl chloride insulating flexible cable according to claim 1, it is characterised in that: the compound wire (8) with Conducting wire polyvinyl chloride insulation layer (10) socket, the conducting wire polyvinyl chloride insulation layer (10) and the conducting wire flame-retardant layer (9) Bonding.

6. a kind of polyvinyl chloride insulating flexible cable according to claim 1, it is characterised in that: the filling wire drawing (6) with Fire-retardant set (5) socket.

7. a kind of polyvinyl chloride insulating flexible cable according to claim 1, it is characterised in that: the wrapping layer (15) and institute Filling wire drawing (6) socket is stated, the wrapping layer (15) and the conductor wire (2) are socketed, the wrapping layer (15) and the tension Silk (4) grafting.