CN214152521U - Waterproof cable - Google Patents

Abstract

The utility model relates to a waterproof cable relates to the field of cable technology, and it includes the cable core, and the periphery parcel of cable core has the protective sheath, and the cable core is provided with the multiunit, and the outside of multiunit cable core is provided with the layer that absorbs water, and the layer inside packing that absorbs water has the material that absorbs water. This application has better waterproof performance, can be at the effect of long-term use under water.

Description

Waterproof cable

Technical Field

The application relates to the field of cable technology, in particular to a waterproof cable.

Background

Cables are currently made of one or more mutually insulated conductors and an outer insulating covering, the conductors carrying power or information from one place to another or cable-like cables generally consisting of several or several groups of conductors twisted together, each group being insulated from one another and usually twisted around a center, the whole being covered with a highly insulating covering. The cable has the characteristics of internal electrification and external insulation.

The waterproof cable is widely used in dragging and controlling circuits of diving equipment in riverways and deep wells. When the cable is soaked in water for a long time, moisture easily enters the cable to cause short circuit, so that the insulating layer is damaged, and thermal breakdown is finally generated.

In view of the above-mentioned related art, the inventors consider that there is a defect that the waterproof effect of the existing waterproof cable is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the poor problem of waterproof cable water-proof effects, this application provides a waterproof cable.

The application provides a waterproof cable adopts following technical scheme:

the waterproof cable comprises a cable core, wherein the periphery of the cable core is wrapped with a protective sleeve, the cable core is provided with a plurality of groups, the outer sides of the plurality of groups of cable cores are provided with water absorbing layers, and water absorbing materials are filled in the water absorbing layers; one side of the water absorption layer, which is far away from the cable core, is provided with an anti-torsion layer.

Through adopting above-mentioned technical scheme, the protective sheath can effectual protection cable core, reduces the corruption or the mechanical damage that the cable core received. A plurality of cable cores wrap up the setting of protective sheath respectively for when the cable takes place the damage and receives steam corrosion, can not mutual production influence between a plurality of cable cores, the use of other several cable cores is difficult for influencing to the harm of one of them cable core, has improved the stability in use of cable. When water vapor permeates into the cable, the water absorption layer can absorb the permeated water vapor, so that the corrosion of the random flow of the water vapor to the interior of the cable is reduced, and the waterproof effect of the cable is improved; the setting on antitorque layer can be through the material design of self for the difficult wrench movement that takes place circumference along the axial of cable makes the inside difficult gap that produces because of the wrench movement of cable, has improved the compact type of cable, has reduced the infiltration of steam.

Preferably, be provided with the parcel layer between protective sheath and the layer that absorbs water, including the parcel layer wraps up a plurality of cable cores, it has the water barrier to fill between parcel layer and the protective sheath.

By adopting the technical scheme, the arrangement of the waterproof layer can isolate moisture outside the protective sleeve when moisture permeates, so that the condition that moisture enters the cable core is reduced; the parcel layer can be with better fixing in the parcel layer of water barrier, cable core and protective sheath, has reduced the not hard up of parcel in situ portion, has improved the compactedness of cable.

Preferably, the water absorbing layer is made of polyvinyl alcohol collodion cotton.

Through adopting above-mentioned technical scheme, polyvinyl alcohol glued membrane has very strong water absorption ability, can absorb more moisture and absorptive moisture in unit volume and disperse easily for the assurance water absorption effect that certain position can last, and polyvinyl alcohol glued membrane when dehydration is dry, self has certain physical strength, can play certain supporting effect to the cable.

Preferably, a plurality of recesses have been seted up to the antitorque layer one side that is close to the layer that absorbs water, and the recess is seted up along the extending direction on antitorque layer, and the recess is along the axis evenly distributed on antitorque layer, and the layer that absorbs water is close to one side on antitorque layer and is fixed and be provided with a plurality of lugs, and the lug is the cuboid design, lug and recess grafting cooperation.

Through adopting above-mentioned technical scheme, the joint cooperation of lug and recess for the cable is difficult for making inside production gap because of the wrench movement at installation or place the in-process, and further improvement the inseparable leakproofness of cable, thereby indirect improvement the waterproof performance and the life of cable.

Preferably, the side of the anti-torsion layer facing away from the cable core is wrapped with a protective layer.

Through adopting above-mentioned technical scheme, the setting of protective layer plays better wear-resisting, insulating effect to the skin of whole waterproof cable, and reduction moisture that simultaneously also can be preliminary is to the infiltration of cable.

Preferably, an adhesive layer is arranged between the protective layer and the anti-torsion layer.

By adopting the technical scheme, the adhesive layer is arranged, so that the fixing strength between the anti-torsion layer and the protective layer can be improved.

Preferably, the inner circumferential surface of the protective layer close to the anti-torsion layer is circumferentially provided with sawtooth-shaped protrusions in a surrounding manner, and the protrusions are attached to the adhesive layer.

Through adopting above-mentioned technical scheme, the contact area of protective layer and adhesive layer has been improved to the inside zigzag protrusion's of protective layer setting for bonding between protective layer and the adhesive layer is more stable.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the water absorption layer can absorb water in time when the water permeates, so that the corrosion damage of the random flow of the water to the internal structure of the cable is reduced;

2. due to the arrangement of the anti-torsion layer, the damage of the cable caused by torsion is reduced, and the service life of the cable is prolonged;

3. due to the arrangement of the protective sleeve, the protection effect of a single cable core is improved, and the normal operation of other cable cores is not easily influenced when one cable core is damaged.

Drawings

Fig. 1 is a circumferential sectional structural view of a waterproof cable.

Description of reference numerals: 1. a cable core; 2. a protective sleeve; 3. a water barrier layer; 4. a wrapping layer; 5. a water-absorbing layer; 51. a bump; 6. an anti-torsion layer; 61. a groove; 7. an adhesive layer; 8. a protective layer; 81. and (4) protruding.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses waterproof cable.

Referring to fig. 1, the waterproof cable includes a cable core 1, a protective sleeve 2, a water barrier layer 3, a wrapping layer 4, a water absorbing layer 5, an anti-twisting layer 6, an adhesive layer 7 and a protective layer 8 which are sequentially arranged from inside to outside.

Referring to fig. 1, cable core 1 is provided with a plurality ofly, and the quantity that this embodiment set up cable core 1 is four, and protective sheath 2 is all being wrapped up in the periphery department of every cable core 1, and the material that this embodiment set up protective sheath 2 is: the cross-linked polyethylene mixed polyester non-woven fabric. The cross-linked polyethylene has strong acid and alkali resistance and oil resistance, excellent insulating property and little influence of temperature, and the polyester non-woven fabric has the advantages of excellent reinforcement protection, freezing resistance and corrosion resistance. The protective sleeve 2 can effectively protect the cable core 1 and reduce corrosion or mechanical damage to the cable core 1. A plurality of cable cores 1 wrap up the setting of protective sheath 2 respectively for when the cable takes place the damage and receives steam corrosion, can not mutual production influence between a plurality of cable cores 1, the use of other several cable cores 1 is difficult for influencing to the harm of one of them cable core 1, has improved the stability in use of cable.

Referring to fig. 1, water barrier 3 is filled between protective sheath 2 and parcel layer 4, and the material that this embodiment set up water barrier 3 is polypropylene, and water barrier 3 of polypropylene material has better water-proof effects, electrical insulation can be excellent and chemical resistance is good. The setting of water barrier 3 can be when having moisture infiltration, with moisture isolated in the outside of protective sheath 2, has reduced the condition that moisture got into cable core 1.

Referring to fig. 1, wrapping layer 4 wraps up in the periphery department of water barrier 3, and wrapping layer 4 and water barrier 3 bond fixedly, and the material that this embodiment set up wrapping layer 4 is butadiene acrylonitrile rubber, and butadiene acrylonitrile rubber has good water proofness, gas tightness and good adhesion properties, can with better fixing in wrapping layer 4 of water barrier 3, cable core 1 and protective sheath 2, has reduced the inside not hard up of wrapping layer 4, has improved the compactedness of cable.

Referring to fig. 1, the water absorbing layer 5 is adhered and fixed on the outer side of the wrapping layer 4, the outer side of the water absorbing layer 5 is provided with a plurality of bumps 51, the bumps 51 are in a long strip shape, the bumps 51 and the water absorbing layer 5 are integrally formed, and the water absorbing layer 5 and the bumps 51 are made of polyvinyl alcohol collodion cotton. Polyvinyl alcohol collodion has better rigidity intensity when losing water, can make layer 5 that absorbs water have better supporting effect, and polyvinyl alcohol collodion softens when absorbing water, and has very strong hydroscopicity, can reduce the steam that antitorque layer 6 permeates and get into the 4 circumstances of parcel layer.

Referring to fig. 1, the anti-torsion layer 6 is bonded and fixed on the outer side of the water-absorbing layer 5, the anti-torsion layer 6 is made of an aluminum-plastic composite material in the embodiment, the aluminum-plastic composite material has good heat insulation performance, is not easy to corrode inside and outside, has good bending performance and certain supporting strength, and can achieve a good shaping effect on the cable. A plurality of grooves 61 are formed in one side, close to the water absorbing layer 5, of the anti-torsion layer 6, the grooves 61 are evenly distributed along the circumferential direction of the anti-torsion layer 6, and the grooves 61 are in clamping fit with the bumps 51. Recess 61 and lug 51's setting can reduce antitorque layer 6 and absorb water the relative slip that produces between the layer 5, because when absorbing water layer 5 and not absorbing water, it has certain physical strength, lug 51 and recess 61's joint cooperation for the cable is at the installation or is placed the in-process, is difficult for making inside production gap because of the wrench movement, has improved the inseparable leakproofness of cable, thereby the indirect waterproof performance and the life that have improved the cable.

Referring to fig. 1, the material of the adhesive layer 7 is an organic silicon pouring sealant in this embodiment, and the organic silicon pouring sealant has good waterproof performance and insulating performance, and is very suitable for being used as an adhesive of a waterproof cable. The protective layer 8 is fixed to the anti-twisting layer 6 by the adhesive layer 7, and the material of the protective layer 8 is polyolefin. One side of the protective layer 8 close to the anti-torsion layer 6 is provided with a plurality of saw-toothed protrusions 81, the protrusions 81 are attached to the adhesive layer 7, and the protrusions 81 and the protective layer 8 are integrally formed. An operator firstly paints organic silicon pouring sealant on the periphery of the anti-torsion layer 6, then sleeves the protective layer 8 on the anti-torsion layer 6, and then fills the organic silicon pouring sealant into a gap between the protective layer 8 and the anti-torsion layer 6, so that the protective layer 8 is fixed on the periphery of the anti-torsion layer 6 through the adhesive layer 7. The protective layer 8 has good wear-resisting and insulating effects on the outer layer of the whole waterproof cable, and can initially reduce the penetration of moisture to the cable; because the anti-torsion layer 6 is made of the aluminum-plastic composite material, the surface is smooth, and the adhesive layer 7 is arranged, the fixing strength between the anti-torsion layer 6 and the protective layer 8 can be improved. And the arrangement of the sawtooth-shaped protrusions 81 in the protective layer 8 improves the contact area between the protective layer 8 and the adhesive layer 7, so that the bonding between the protective layer 8 and the adhesive layer 7 is more stable.

According to the cable layer in this embodiment set up order and material and pass through water barrier 3 at the skin of cable core 1, the design on layer 5 that absorbs water can effectual reduction cable core 1 receive the condition of steam corrosion short circuit, protective sheath 2, protective layer 8 can effectually provide better corrosion-resistant effect to the use of cable in aqueous, and the design on antitorque layer 6, can reduce the axial wrench movement of emergence of cable, the cable layer that has reduced the cable wrench movement and caused and the condition that produces the space and get into steam between the layer. To sum up, this application has better water-proof effects, can use in aqueous and guarantee better life.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (7)

1. A waterproof cable, characterized in that: the cable core comprises a cable core (1), a protective sleeve (2) wraps the periphery of the cable core (1), a plurality of groups of cable cores (1) are arranged, water absorbing layers (5) are arranged on the outer sides of the plurality of groups of cable cores (1), and water absorbing materials are filled in the water absorbing layers (5); and an anti-torsion layer (6) is arranged on one side of the water absorption layer (5) departing from the cable core (1).

2. The waterproof cable of claim 1, wherein: be provided with between protective sheath (2) and the layer that absorbs water (5) parcel layer (4), including parcel layer (4) wraps up a plurality of cable cores (1), it has water barrier (3) to fill between parcel layer (4) and protective sheath (2).

3. The waterproof cable of claim 1, wherein: the water absorbing layer (5) is made of polyvinyl alcohol collodion cotton.

4. The waterproof cable of claim 1, wherein: a plurality of recesses (61) have been seted up to antitorque layer (6) one side that is close to water absorption layer (5), and extension direction along antitorque layer (6) is seted up in recess (61), and recess (61) along the axis evenly distributed of antitorque layer (6), and one side that water absorption layer (5) are close to antitorque layer (6) is fixed and is provided with a plurality of lugs (51), and lug (51) are the cuboid design, and lug (51) and recess (61) cooperation of pegging graft.

5. The waterproof cable of claim 1, wherein: and one side of the anti-torsion layer (6) departing from the cable core (1) is wrapped with a protective layer (8).

6. The waterproof cable of claim 5, wherein: an adhesive layer (7) is arranged between the protective layer (8) and the anti-torsion layer (6).

7. The waterproof cable of claim 6, wherein: the inner circumferential surface of the protective layer (8) close to the anti-torsion layer (6) is circumferentially provided with sawtooth-shaped protrusions (81) in a surrounding mode, and the protrusions (81) are attached to the adhesive layer (7).

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