CN208444618U - A kind of etch-proof cable - Google Patents

Abstract

The utility model discloses a kind of etch-proof cables, including three inner conductors, the outer surface of the inner conductor is provided with first screen layer, and the middle position of three first screen layers is provided with steel wire, and thermal insulation layer is provided on the outside of three first screen layers, internal filled layer is provided between the thermal insulation layer and first screen layer, the outer surface of the thermal insulation layer and the inner surface of secondary shielding layer are Nian Jie, and the outer surface of the secondary shielding layer and the inner surface of insulating layer are Nian Jie.The etch-proof cable; pass through the cooperation between insulating layer, internal filled layer, steel wire, thermal insulation layer, first screen layer, secondary shielding layer, etch resistant layer, steel wire armor layer and protective layer; insulating layer inner conductors are protected; so as to avoid cable during use by take place frequently pulling or pull when cable in inner conductor there is a situation where be broken; also the working efficiency for improving people of indirect while avoiding property loss, offers convenience for people.

Description

A kind of etch-proof cable

Technical field

The utility model relates to technical field of electric power, specially a kind of etch-proof cable.

Background technique

Cable is made of the conductor and external insulating protective layer of one or more mutually insulated, by electric power or information from The conducting wire at another place is transferred at one.

A kind of existing cable anti-corrosion cable tracking exchage as disclosed in the Chinese patent of patent No. CN204834139U Anticorrosion cable, including including cable body, the cable body includes conductor, insulating layer, shielded layer and oversheath.The electricity Cable body interior is provided with multiple conductors；A protective layer is set outside the conductor；One layer insulating is set outside the protective layer； One layer of shielded layer is extruded outside the insulating layer；One layer of high-temperature-resistant layer is closely extruded outside the shielded layer, although the cable is with resistance to Corrosivity, but since the quality of cable itself is more crisp, cable taken place frequently during use pulling or when pull very It is easy to make the conductor break in cable, brings while property loss the also working efficiency for reducing people of indirect, be people Make troubles.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of etch-proof cable, solves due to cable sheet The quality of body is more crisp, cable taken place frequently during use pulling or pull when be easy to make the conductor in cable to break It splits, the also working efficiency for reducing people of indirect is brought while property loss, the problem of making troubles for people.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of etch-proof cable, including in three Conductor, the outer surface of the inner conductor is provided with first screen layer, and the middle position of three first screen layers is provided with steel wire, And thermal insulation layer is provided on the outside of three first screen layers, internal filling is provided between the thermal insulation layer and first screen layer Layer, the outer surface of the thermal insulation layer and the inner surface of secondary shielding layer are Nian Jie, the outer surface of the secondary shielding layer and insulating layer Inner surface bonding, the outer surface of the insulating layer and the inner surface of steel wire armor layer are Nian Jie, the appearance of the steel wire armor layer Face is Nian Jie with the inner surface of etch resistant layer, and the outer surface of the etch resistant layer and the inner surface of water blocking layer are Nian Jie, the water blocking layer Outer surface it is Nian Jie with the inner surface of protective layer, the outer surface of the protective layer and the inner surface of fireprotection layer are Nian Jie.

Preferably, the inside of the first screen layer is filled with aluminum foil material, and first screen layer and secondary shielding layer Material is identical.

Preferably, the material of the internal filled layer is glass fiber.

Preferably, polytetrafluoroethylene material is filled in the thermal insulation layer.

Preferably, the insulating layer is internally provided with rubber material.

Preferably, the steel wire armor layer is woven by steel wire.

Preferably, rubber material is filled in the protective layer.

(3) beneficial effect

The utility model provides a kind of etch-proof cable, have it is following the utility model has the advantages that

(1), the etch-proof cable passes through insulating layer, internal filled layer, steel wire, thermal insulation layer, first screen layer, second Cooperation between shielded layer, etch resistant layer, steel wire armor layer and protective layer, while insulating layer inner conductors are protected, Can play the role of insulation, be arranged internal filled layer can make the appearance of cable more rounding while, due to glass fibre Silk has good high temperature resistant and fire resistance, can effectively improve the current-carrying capacity of cable, steel wire can be prevented to cable The structure inside cable is destroyed when being pulled, thermal insulation layer can completely cut off high temperature, and so that inner conductor is preferably worked, Insulating layer reinforces the protection effect of inner conductors, and first screen layer and secondary shielding layer can be to playing a role of anti-interference, steel Silk armor has high permeability, there is a good Magnetic Shielding Effectiveness, at the same steel wire armor layer enhance cable tensile strength and Compression strength, protective layer can play protection of inner conductors or so, while protective layer has insulation effect, so that cable be made to exist While with anti-corrosion effect, it may have good tensile strength and compression strength, so as to avoid cable in the process used Middle pulling or inner conductor when pull in cable of being taken place frequently there is a situation where being broken, while avoiding property loss also between The working efficiency for improving people of connecing property, offers convenience for people.

(2), etch-proof cable, by the way that water blocking layer is arranged, to make cable in rainwater weather or humid environment In the case of, water blocking layer can prevent water from entering inside cable, offer convenience for people.

(3), etch-proof cable, by the way that fireprotection layer is arranged, to make fireprotection layer in high temperature or extraneous feelings on fire Under condition, fireprotection layer can effectively prevent cable on fire, reduce property loss and the security risk of people, bring just for people Benefit, and the utility model which has a compact structure and a reasonable design, it is practical.

Detailed description of the invention

Fig. 1 is the schematic diagram of the section structure that the utility model is faced；

Fig. 2 is the structural schematic diagram of the right view of the utility model.

In figure: 1 inner conductor, 2 first screen layers, 3 inside filled layers, 4 thermal insulation layers, 5 secondary shielding layers, 6 insulating layers, 7 steel Silk armor, 8 etch resistant layers, 9 water blocking layers, 10 protective layers, 11 fireprotection layers, 12 steel wires.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figs. 1-2, the utility model provides a kind of technical solution: a kind of etch-proof cable, including leads in three Body 1, the outer surface of inner conductor 1 are provided with first screen layer 2, and the inside of first screen layer 2 is filled with aluminum foil material, and the first screen It is identical with the material of secondary shielding layer 5 to cover layer 2, by the way that first screen layer 2 is arranged, to make first screen layer 2 and secondary shielding Layer 5 can reduce the influence of the generation of external magnetic field inner conductors 1, can effectively prevent signal interference, and three first shieldings The middle position of layer 2 is provided with steel wire 12, by the way that steel wire 12 is arranged, so that the tensile strength of cable is enhanced, to a certain degree On prevent cable to be broken, and also avoid the structures such as inner conductors 1 when pulling cable to a certain extent and damage, and three The outside of a first screen layer 2 is provided with thermal insulation layer 4, polytetrafluoroethylene material is filled in thermal insulation layer 4, by the way that thermal insulation layer is arranged 4, so that so that thermal insulation layer 4 is can effectively prevent high temperature influences the current-carrying capacity of cable, set between thermal insulation layer 4 and first screen layer 2 It is equipped with internal filled layer 3, the material of internal filled layer 3 is glass fiber, by the way that internal filled layer 3 is arranged, to prevent the There are gaps between one shielded layer 2 and thermal insulation layer 4, and the appearance of cable is made to seem more rounding, the outer surface of thermal insulation layer 4 with The inner surface of secondary shielding layer 5 is bonded, by the way that secondary shielding layer 5 is arranged, to make secondary shielding layer 5 and first screen layer 2 can To reach more efficient shield effectiveness by cooperating, people is facilitated to carry out using the outer surface of secondary shielding layer 5 to cable Nian Jie with the inner surface of insulating layer 6, insulating layer 6 is internally provided with rubber material, by the way that insulating layer 6 is arranged, to make to insulate Layer can also play the role of insulation 6 while protecting structure insulating layer 6 inside, the outer surface of insulating layer 6 and The inner surface of steel wire armor layer 7 is bonded, and the outer surface of steel wire armor layer 7 is Nian Jie with the inner surface of etch resistant layer 8, steel wire armor layer 7 are woven by steel wire, by the way that steel wire armor layer 7 is arranged, the tensile strength and compression strength of cable are enhanced, in certain journey It ensure that cable does not allow easy fracture on degree, the outer surface of etch resistant layer 8 is Nian Jie with the inner surface of water blocking layer 9, by the way that anti-corruption is arranged Lose layer 8, thus allow etch resistant layer 8 effectively to etch resistant layer 8 can the inside effectively to etch resistant layer 8 prevent Shield, avoids inner conductor 1 from being corroded, and guarantees that cable can be with normal operation, the outer surface of water blocking layer 9 and the inner surface of protective layer 10 Bonding, by the way that water blocking layer 9 is arranged, to make cable in the case where rainwater weather or humid environment, water blocking layer 9 can be prevented Water enters inside cable, and rubber material is filled in protective layer 10, by the way that protective layer 10 is arranged, can to steel wire armor layer 78 into Row protection, the outer surface of protective layer 10 is Nian Jie with the inner surface of fireprotection layer 11, by the way that fireprotection layer 11 is arranged, to make fireprotection layer 11 In the case where high temperature or the external world on fire, fireprotection layer 11 can effectively prevent cable on fire, reduce property loss and people Security risk.

It can to sum up obtain, (1), the etch-proof cable, pass through insulating layer 6, internal filled layer 3, steel wire 12, thermal insulation layer 4, the Cooperation between one shielded layer 2, secondary shielding layer 5, etch resistant layer 8, steel wire armor layer 7 and protective layer 10, insulating layer 6 are led to interior While body 1 is protected, insulation can also be played the role of, internal filled layer 3, which is arranged, can make the appearance of cable more round While whole, due to glass fiber, there is good high temperature resistant and fire resistance, can effectively improve the current-carrying of cable Amount, steel wire 12 can prevent when being pulled to cable destroy cable inside structure, thermal insulation layer 4 can to high temperature carry out every Absolutely, inner conductor 1 is allow preferably to work, insulating layer 6 reinforces the protection effect of inner conductors 1, first screen layer 2 and the second screen Covering layer 5 can be to playing a role of anti-interference, and steel wire armor layer 7 has high permeability, there is good Magnetic Shielding Effectiveness, while steel Silk armor 7 enhances the tensile strength and compression strength of cable, and protective layer 10 can play the protection or so of inner conductors 1, Protective layer 10 has insulation effect simultaneously, to make cable while with anti-corrosion effect, it may have good tensile strength And compression strength, so as to avoid cable during use by take place frequently pulling or pull when cable in inner conductor 1 There is a situation where being broken, the also working efficiency for improving people of indirect while avoiding property loss brings for people It is convenient.

(2), etch-proof cable, by the way that water blocking layer 9 is arranged, to make cable in rainwater weather or humid environment In the case of, water blocking layer 9 can prevent water from entering inside cable, offer convenience for people.

(3), etch-proof cable, by the way that fireprotection layer 11 is arranged, to keep fireprotection layer 11 on fire in high temperature or the external world In the case where, fireprotection layer 11 can effectively prevent cable on fire, reduce property loss and the security risk of people, be people It offers convenience, and the utility model which has a compact structure and a reasonable design, it is practical.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of etch-proof cable, including three inner conductors (1), it is characterised in that: the outer surface of the inner conductor (1) is arranged Have first screen layer (2), and the middle position of three first screen layers (2) is provided with steel wire (12), and three first screen layers (2) it is provided on the outside of thermal insulation layer (4), is provided with internal filled layer (3) between the thermal insulation layer (4) and first screen layer (2), The outer surface of the thermal insulation layer (4) is Nian Jie with the inner surface of secondary shielding layer (5), the outer surface of the secondary shielding layer (5) with The inner surface of insulating layer (6) is bonded, and the outer surface of the insulating layer (6) is Nian Jie with the inner surface of steel wire armor layer (7), the steel The outer surface of silk armor (7) is Nian Jie with the inner surface of etch resistant layer (8), the outer surface of the etch resistant layer (8) and water blocking layer (9) inner surface bonding, the outer surface of the water blocking layer (9) is Nian Jie with the inner surface of protective layer (10), the protective layer (10) Outer surface it is Nian Jie with the inner surface of fireprotection layer (11).

2. a kind of etch-proof cable according to claim 1, it is characterised in that: the inside of the first screen layer (2) Filled with aluminum foil material, and first screen layer (2) is identical with the material of secondary shielding layer (5).

3. a kind of etch-proof cable according to claim 1, it is characterised in that: the material of the internal filled layer (3) For glass fiber.

4. a kind of etch-proof cable according to claim 1, it is characterised in that: filled with poly- in the thermal insulation layer (4) Tetrafluoroethene material.

5. a kind of etch-proof cable according to claim 1, it is characterised in that: the inside of the insulating layer (6) is arranged There is rubber material.

6. a kind of etch-proof cable according to claim 1, it is characterised in that: the steel wire armor layer (7) is by steel wire Net weaves.

7. a kind of etch-proof cable according to claim 1, it is characterised in that: be filled with rubber in the protective layer (10) Glue material.