CN208538501U

CN208538501U - A kind of compound cable resistant to bending

Info

Publication number: CN208538501U
Application number: CN201821264012.5U
Authority: CN
Inventors: 郑从相; 喻小军
Original assignee: GUANGDONG TIANHONG CABLE CO Ltd
Current assignee: GUANGDONG TIANHONG CABLE CO Ltd
Priority date: 2018-08-07
Filing date: 2018-08-07
Publication date: 2019-02-22
Anticipated expiration: 2028-08-07

Abstract

One kind provided by the utility model compound cable resistant to bending, including power cable and communication cable, power cable and communication cable are twisted as compound cable, inner sheath, flame-retardant layer, water blocking layer and oversheath are successively surrounded with outside compound cable, several arc grooves are respectively provided on the inside of inner sheath and oversheath, two adjacent arc grooves are arranged oppositely, convenient for bending；The flame-retardant layer and water blocking layer being arranged outside compound cable can effective waterproofs, fire-retardant；Power cable is equipped with magnetic masking layer, has electromagnetic interference shield function, and communication cable is equipped with conductivity shielded layer and magnetic conductivity shielded layer, and the ability with anti-electromagnetic interference avoids communication cable from the interference in power cable magnetic field.

Description

A kind of compound cable resistant to bending

Technical field

The utility model relates to wire and cable field, compound cable especially resistant to bending.

Background technique

Cable is by several or several groups of wire strandings form, mutually insulated between every group of conducting wire, and often in one The heart is twisted into, and entire outside is surrounded by the coating of high-insulation.Cable can occur in various degree during transport and arrangement Bending, existing cable is easy aging, or even fracture after frequent bending, and it is exposed to will lead to internal core wire in this way, and core After line is exposed, some potential safety problems can be generated.It is routed though power cable and communication cable can separate, wiring trouble, It takes up space larger, the electric current to circulate in power cable can generate magnetic field in surrounding space, the communication to transmission weak electric signal Cable generates interference, influences the normal work of communication cable.

Utility model content

To solve the above problems, the utility model provides a kind of compound cable resistant to bending, it is intended to solve cable folding Easy fracture, aging afterwards, and power cable and communication cable are separately routed cumbersome, take up space big problem.

One kind provided by the utility model compound cable resistant to bending, including at least one power cable and at least one are led to Communication cable, the power cable and the communication cable are twisted as compound cable, outside the compound cable successively around It is surrounded by an inner sheath, a flame-retardant layer, a water blocking layer and an oversheath, the inner sheath and the oversheath respectively include one On the outside of sheath and on the inside of the sheath opposite on the outside of the sheath, in the inner sheath and the oversheath described in lateral edge Inner sheath and the oversheath circumference are equipped with several arc grooves, and two adjacent arc grooves are arranged oppositely.

Preferably, the perimeter of the inner sheath and the oversheath inboard groove is not more than the corresponding inner sheath and described The 1/2 of oversheath circumference.

Preferably, the depth of the inner sheath and the oversheath inboard groove is not more than the corresponding inner sheath and described The 3/5 of oversheath thickness.

Preferably, the distance of the inner sheath and oversheath inside every two adjacent grooves is no more than 1cm.

Preferably, the power cable is followed successively by conducting wire, insulating layer, magnetic masking layer and protective case from inside to outside.

Preferably, the communication cable is followed successively by core wire, the first insulating layer, conductivity shielded layer, second from inside to outside Insulating layer, magnetic conductivity shielded layer and protective case.

Preferably, the gap that the power cable and the communication cable are twisted is equipped with a high density polyurethane rubber Filled layer.

Preferably, the inner sheath and the oversheath are polyolefin layer.

Preferably, the water blocking layer is polyester wrapping layer.

Preferably, the flame-retardant layer is low-smoke non-halogen flame-retardant layer.

The utility model has the beneficial effects that

One kind provided by the utility model compound cable resistant to bending, inner sheath and the oversheath inside every of compound cable There is the groove being arranged oppositely at a certain distance, makes compound cable convenient for bending；The flame-retardant layer and block water that compound cable outside is arranged Layer can effective waterproof, fire-retardant；Power cable is equipped with magnetic masking layer, has electromagnetic interference shield function, and communication cable is equipped with electricity Conductance shielded layer and magnetic conductivity shielded layer, the ability with anti-electromagnetic interference, avoid communication cable from power cable magnetic field Interference.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described.

Fig. 1 is the structural schematic diagram for the compound cable resistant to bending that one preferred embodiment of the utility model provides.

Fig. 2 is the structural schematic diagram of power cable 1 in Fig. 1.

Fig. 3 is the structural schematic diagram of communication cable 2 in Fig. 1.

Fig. 4 is 3 diagrammatic cross-section of compound cable inner sheath in Fig. 1.

Fig. 5 is 6 diagrammatic cross-section of compound cable oversheath in Fig. 1.

Specific embodiment

The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear Define.

Referring to Fig. 1, one kind provided by the utility model compound cable resistant to bending comprising power cable 1 and communication electricity Cable 2, the power cable 1 and the communication cable 2 are twisted as compound cable, and it is poly- that one is surrounded with outside the compound cable Alkene inner sheath 3, a low-smoke non-halogen flame-retardant layer 4, the wrapped water blocking layer 5 of a polyester and a polyolefin oversheath 6, the electric power electricity The gap that cable 1 and the communication cable 2 are twisted is equipped with a high density polyurethane rubber filling layer 7.

Referring to fig. 2, the power cable 1 includes conducting wire 1, insulating layer 2, magnetic masking layer 3 and protective case 4, has electromagnetism Interference shielding function.

Referring to Fig. 3, the communication cable 2 successively includes core wire 21, the first insulating layer 22, conductivity shielding from inside to outside Layer 23, second insulating layer 24, magnetic conductivity shielded layer 25 and protective case 26, the conductivity shielded layer 23 and the magnetic conductivity Shielded layer 25 has the ability of anti-electromagnetic interference, avoids communication cable 2 from the interference in 1 magnetic field of power cable.

Referring to fig. 4, the polyolefin inner sheath 3 is with a thickness of 1cm, a length of 2.8cm of the circumference of inside, in the polyolefin Groove 31 and groove 32 are equipped on the inside of sheath 3, the groove 31 and groove 32 are arranged oppositely, and thickness is 0.5cm, and perimeter is 1.3cm, groove 31 and groove 32 are spaced 0.8cm.

Referring to Fig. 5, the polyolefin oversheath 6 is with a thickness of 1.2cm, a length of 3.6cm of the circumference of inside, the polyolefin Groove 61 and groove 62 are equipped on the inside of oversheath 6, the groove 61 and groove 62 are arranged oppositely, and thickness is 0.5cm, and perimeter is equal For 1.2cm, groove 61 and groove 62 are spaced 0.9cm.

A variety of modifications of embodiment will be readily apparent to those skilled in the art, determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims

1. a kind of compound cable resistant to bending, including at least one power cable and at least one communication cable, the electric power Cable and the communication cable are twisted as compound cable, and an inner sheath, a resistance are successively surrounded with outside the compound cable Fire layer, a water blocking layer and an oversheath, which is characterized in that the inner sheath and the oversheath respectively include outside a sheath On the inside of side and the sheath opposite on the outside of the sheath, the inner sheath described in lateral edge in the inner sheath and the oversheath Several arc grooves are equipped with the oversheath circumference, two adjacent arc grooves are arranged oppositely.

2. compound cable resistant to bending according to claim 1, which is characterized in that in the inner sheath and the oversheath The perimeter of side groove is not more than the 1/2 of the corresponding inner sheath and the oversheath circumference.

3. compound cable resistant to bending according to claim 1, which is characterized in that in the inner sheath and the oversheath The depth of side groove is not more than the 3/5 of the corresponding inner sheath and the oversheath thickness.

4. compound cable resistant to bending according to claim 1, which is characterized in that in the inner sheath and the oversheath The distance of side every two adjacent grooves is no more than 1cm.

5. compound cable resistant to bending according to claim 1, which is characterized in that the power cable from inside to outside according to Secondary is conducting wire, insulating layer, magnetic masking layer and protective case.

6. compound cable resistant to bending according to claim 1, which is characterized in that the communication cable from inside to outside according to Secondary is core wire, the first insulating layer, conductivity shielded layer, second insulating layer, magnetic conductivity shielded layer and protective case.

7. compound cable resistant to bending according to claim 1, which is characterized in that the power cable and described logical The twisted gap of communication cable is equipped with a high density polyurethane rubber filling layer.

8. compound cable resistant to bending according to claim 1, which is characterized in that the inner sheath and the outer shield Set is polyolefin layer.

9. compound cable resistant to bending according to claim 1, which is characterized in that the water blocking layer is that polyester is wrapped Layer.

10. compound cable resistant to bending according to claim 1, which is characterized in that the flame-retardant layer is low smoke and zero halogen Flame-retardant layer.