CN209447591U - A kind of water-proof cable - Google Patents

Abstract

The utility model discloses a kind of water-proof cables, including the first high density water proof rubber and wear mechanisms, the inner wall of the first high density water proof rubber is provided with oxygen-free copper copper core, and first the inner wall positioned inside of high density water proof rubber have elastic slice, the outer wall of the first high density water proof rubber is inlaid with shielded layer, and the outer wall of shielded layer is connected with oxygen barrier layer, the outer wall of the oxygen barrier layer is equipped with fireprotection layer, and the outer wall of fireprotection layer is fixed with the second high density water proof rubber, the wear mechanisms are set to the outer wall of the second high density water proof rubber.The water-proof cable is provided with oxygen-free copper copper core, which employs the fine oxygen-free coppers of 99.99% high-purity of multiply, it ensure that the flexibility of cable, the tensile strength of cable is improved simultaneously, first high density water proof rubber and the second high density water proof rubber use double-layer coextrusion high density water proof rubber, waterproof performance is good, safe and nontoxic harmless, and cable pliability is high, bending property is good, can bear frequent movement.

Description

A kind of water-proof cable

Technical field

The utility model relates to field of cable technology, specially a kind of water-proof cable.

Background technique

From after discovery XLPE insulated water tree aging in 1967, have confirmed that it becomes the principal phenomena of XLPE cable aging at present One of, although the mechanism of water tree and how to cause destroy be not fully understood at present, great number tested data display water tree Branch will cause local stress increase, be likely to become the cradle of electric branch, and under high temperature, significant oxygen may occur in water tree Change, causes water imbibition to increase, electric conductivity increases, final thermal breakdown；Even if at low temperature, water tree aoxidized or turns through the long period Turn to electric branch, will also result in the destruction of insulation, especially when cable long period of soaking in water when, if without good waterproof Structure, to cause the destruction of insulation, will greatly shorten electricity then cable is more prone to produce the water tree aging of insulation in this way In the service life of cable, so the cable being laid in water environment is typically necessary cable with waterproof construction, cable waterproof is mainly For the purpose of protection insulation.

The waterproofness of water-proof cable in the market is poor, can not soak for a long time and biggish hydraulic pressure under, and its insulation Property it is poor, the bending property of cable is not sufficiently good, tensile strength is low, be easy to cause internal copper core copper wire damage, can not Frequent movement is born, for this purpose, it is proposed that a kind of water-proof cable.

Utility model content

The purpose of this utility model is to provide a kind of water-proof cable, with solve it is mentioned above in the background art in the market Water-proof cable waterproofness it is poor, can not soak for a long time and biggish hydraulic pressure under, and its insulating properties is poor, cable Bending property is not sufficiently good, tensile strength is low, be easy to cause internal copper core copper wire damage, can not bear frequent movement Problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of water-proof cable, including the first high density Water proof rubber and wear mechanisms, the inner wall of the first high density water proof rubber are provided with oxygen-free copper copper core, and the first high density The inner wall positioned inside of water proof rubber has elastic slice, and the outer wall of the first high density water proof rubber is inlaid with shielded layer, and shields The outer wall of layer is connected with oxygen barrier layer, and the outer wall of the oxygen barrier layer is equipped with fireprotection layer, and to be fixed with second high for the outer wall of fireprotection layer Density water proof rubber, the wear mechanisms are set to the outer wall of the second high density water proof rubber, and the two sides placement of wear mechanisms There is protection mechanism.

Preferably, to be fixedly connected between the oxygen-free copper copper core and the first high density water proof rubber, and the first high density The length of water proof rubber is identical as the length of the second high density water proof rubber.

Preferably, the elastic slice uniform array is in the outer wall of oxygen-free copper copper core, and the arc-shaped structure of elastic slice.

Preferably, the inside of the wear mechanisms includes wear resistant outer layer, and wear resistant outer layer and the second high density waterproof rubber It is bonding between glue, the outer wall of the wear resistant outer layer is inlaid with convex block.

Preferably, the convex block uniform array is in the outer wall of wear resistant outer layer, and wear resistant outer layer and the second high density waterproof rubber It is to be fixedly connected between glue.

Preferably, the inside of the protection mechanism includes adhesive layer, and adhesive layer respectively with the two sides of wear resistant outer layer it Between for bonding, the adhesive layer is connected with connection strap far from one end of wear resistant outer layer center line, and connection strap is far from wear resistant outer layer One end of center line is equipped with sealing end, and the sealing end is internally provided with air hole.

Preferably, the sealing end is symmetrical about the centerline axis of the first high density water proof rubber, and it is logical to seal end It crosses adhesive layer and wear resistant outer layer constitutes sliding connection structure.

Compared with prior art, the utility model has the beneficial effects that the water-proof cable is provided with oxygen-free copper copper core, adopt With the fine oxygen-free copper of 99.99% high-purity of multiply, the flexibility of cable ensure that, while improving the tensile strength of cable, First high density water proof rubber and the second high density water proof rubber use double-layer coextrusion high density water proof rubber, waterproof performance is good, Safe and nontoxic harmless, cable pliability is high, bending property is good, can bear frequent movement, can soak for a long time and biggish Under hydraulic pressure, there are superior electrical insulation properties；

Elastic slice increases the toughness of entire cable in the inside of the first high density water proof rubber, makes cable can be automatic in bending Recovery avoids the phenomenon that deforming after cable bend, is damaged after capable of also preventing internal oxygen-free copper copper core bending, convex block is outward Protrusion prevents wear resistant outer layer and the second high density water proof rubber from directly contacting with external object, and wear resistant outer layer can be to avoid The outer surface of second high density water proof rubber is worn, and increases the service life of the cable；

Sealing end can wrap up the both ends of cable when cable is not used, and prevent the both ends of cable from being damaged Wound, while can prevent the oxygen-free copper copper core inside cable from contacting with external object.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is that the first high density of the utility model water proof rubber is right depending on splitting structural schematic diagram；

Fig. 3 is that the utility model seals end left view structural representation.

In figure: 1, the first high density water proof rubber；2, oxygen-free copper copper core；3, elastic slice；4, shielded layer；5, oxygen barrier layer；6, prevent Fire bed；7, the second high density water proof rubber；8, wear mechanisms；801, wear resistant outer layer；802, convex block；9, protection mechanism；901, it glues Connect layer；902, connection strap；903, end is sealed；904, air hole.

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.

Please refer to Fig. 1-3, the utility model provides a kind of technical solution: a kind of water-proof cable, including the first high density are anti- Water rubber 1, oxygen-free copper copper core 2, elastic slice 3, shielded layer 4, oxygen barrier layer 5, fireprotection layer 6, the second high density water proof rubber 7, resistance to grinding machine Structure 8, wear resistant outer layer 801, convex block 802, protection mechanism 9, adhesive layer 901, connection strap 902, sealing end 903 and air hole 904, The inner wall of first high density water proof rubber 1 is provided with oxygen-free copper copper core 2, and the interior pars intramuralis peace of the first high density water proof rubber 1 It is equipped with elastic slice 3, is fixedly connected between oxygen-free copper copper core 2 and the first high density water proof rubber 1, and the first high density water proof rubber 1 length is identical as the length of the second high density water proof rubber 7, and oxygen-free copper copper core 2 uses 99.995% high purity extractive of multiply Thin oxygen-free copper, ensure that the flexibility of cable, while improve the tensile strength of cable, the first high density water proof rubber 1 and Two high density water proof rubbers 7 use double-layer coextrusion high density water proof rubber, and waterproof performance is good, safe and nontoxic harmless, and cable is soft Degree is high, bending property is good, can bear frequent movement, can soak for a long time and biggish hydraulic pressure under, with it is superior electrically Insulation performance；

3 uniform array of elastic slice is in the outer wall of oxygen-free copper copper core 2, and the arc-shaped structure of elastic slice 3, and elastic slice 3 is in the first high density The inside of water proof rubber 1 increases the toughness of entire cable, makes cable that can recover automatically in bending, deforms after avoiding cable bend The phenomenon that, it is damaged after capable of also preventing internal oxygen-free copper copper core 2 to be bent, the outer wall of the first high density water proof rubber 1 is inlaid with Shielded layer 4, and the outer wall of shielded layer 4 is connected with oxygen barrier layer 5, the outer wall of oxygen barrier layer 5 is equipped with fireprotection layer 6, and fireprotection layer 6 is outer Wall is fixed with the second high density water proof rubber 7, and wear mechanisms 8 are set to the outer wall of the second high density water proof rubber 7, and resistance to grinding machine The two sides of structure 8 are mounted with protection mechanism 9, and the inside of wear mechanisms 8 includes wear resistant outer layer 801, and wear resistant outer layer 801 and second It is bonding between high density water proof rubber 7, the outer wall of wear resistant outer layer 801 is inlaid with convex block 802；

802 uniform array of convex block is in the outer wall of wear resistant outer layer 801, and wear resistant outer layer 801 and the second high density water proof rubber 7 Between to be fixedly connected, convex block 802 is raised outward, prevents wear resistant outer layer 801 and the second high density water proof rubber 7 and foreign objects Body directly contacts, and wear resistant outer layer 801 can be worn to avoid the outer surface of the second high density water proof rubber 7, and increasing should The service life of cable, the inside of protection mechanism 9 include adhesive layer 901, and adhesive layer 901 respectively with wear resistant outer layer 801 It is bonding between two sides, adhesive layer 901 is connected with connection strap 902, and connection strap far from one end of 801 center line of wear resistant outer layer 902 one end far from 801 center line of wear resistant outer layer are equipped with sealing end 903, and sealing end 903 is internally provided with air hole 904, sealing end 903 is symmetrical about the centerline axis of the first high density water proof rubber 1, and seals end 903 and pass through adhesive layer 901 constitute sliding connection structure with wear resistant outer layer 801, and sealing end 903 can wrap the both ends of cable when cable is not used It wraps, the both ends of cable is prevented to be damaged, while can prevent the oxygen-free copper copper core 2 inside cable from connecing with external object Touching.

Working principle: for this kind of water-proof cable first when needing using the cable, first manually by the cable one end Sealing end 903 tear, split away off from wear resistant outer layer 801 after 902 stress of connection strap along adhesive layer 901, then Sealing end 903 is got off by tearing, then the other end is torn, which can be when cable be not used, will be electric The both ends of cable wrap up, and the both ends of cable is prevented to be damaged, while can prevent oxygen-free copper copper core 2 inside cable and outer The contact of boundary's object, then by the cable and other cable buttings, can come into operation after the completion of docking, in cable, oxygen-free copper copper Core 2 uses the fine oxygen-free copper of 99.995% high-purity of multiply, ensure that the flexibility of cable, while improving the tension of cable Intensity, the first high density water proof rubber 1 and the second high density water proof rubber 7 use double-layer coextrusion high density water proof rubber, waterproof Performance is good, safe and nontoxic harmless, and cable pliability is high, bending property is good, can bear frequent movement, can soak for a long time And under biggish hydraulic pressure, there are superior electrical insulation properties, complete the use process of entire water-proof cable like this.

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 water-proof cable, including the first high density water proof rubber (1) and wear mechanisms (8), it is characterised in that: described first The inner wall of high density water proof rubber (1) is provided with oxygen-free copper copper core (2), and the interior pars intramuralis of the first high density water proof rubber (1) It is mounted with elastic slice (3), the outer wall of the first high density water proof rubber (1) is inlaid with shielded layer (4), and shielded layer (4) is outer Wall is connected with oxygen barrier layer (5), and the outer wall of the oxygen barrier layer (5) is equipped with fireprotection layer (6), and the outer wall of fireprotection layer (6) is fixed with Second high density water proof rubber (7), the wear mechanisms (8) are set to the outer wall of the second high density water proof rubber (7), and wear-resisting The two sides of mechanism (8) are mounted with protection mechanism (9).

2. a kind of water-proof cable according to claim 1, it is characterised in that: the oxygen-free copper copper core (2) and first highly dense To be fixedly connected between degree water proof rubber (1), and the length of the first high density water proof rubber (1) and the second high density water proof rubber (7) length is identical.

3. a kind of water-proof cable according to claim 1, it is characterised in that: elastic slice (3) uniform array is in oxygen-free copper The outer wall of copper core (2), and elastic slice (3) arc-shaped structure.

4. a kind of water-proof cable according to claim 1, it is characterised in that: the inside of the wear mechanisms (8) includes Wear resistant outer layer (801), and be Nian Jie, the wear resistant outer layer between wear resistant outer layer (801) and the second high density water proof rubber (7) (801) outer wall is inlaid with convex block (802).

5. a kind of water-proof cable according to claim 4, it is characterised in that: convex block (802) uniform array is in wear-resisting The outer wall of outer layer (801), and be to be fixedly connected between wear resistant outer layer (801) and the second high density water proof rubber (7).

6. a kind of water-proof cable according to claim 1, it is characterised in that: the inside of the protection mechanism (9) includes Adhesive layer (901), and adhesive layer (901) is Nian Jie, the adhesive layer (901) between the two sides of wear resistant outer layer (801) respectively One end far from wear resistant outer layer (801) center line is connected with connection strap (902), and connection strap (902) is far from wear resistant outer layer (801) One end of center line is equipped with sealing end (903), and sealing end (903) is internally provided with air hole (904).

7. a kind of water-proof cable according to claim 6, it is characterised in that: the sealing end (903) is high about first The centerline axis of density water proof rubber (1) is symmetrical, and seals end (903) and pass through adhesive layer (901) and wear resistant outer layer (801) structure At sliding connection structure.