CN213660033U

CN213660033U - Multi-strand type separation cable

Info

Publication number: CN213660033U
Application number: CN202022637855.9U
Authority: CN
Inventors: 戴兴华; 戴玲佩; 周晓秋
Original assignee: Shanghai Jiaze Cable Group Co ltd
Current assignee: Shanghai Jiaze Cable Group Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-07-09
Anticipated expiration: 2030-11-13

Abstract

The utility model provides a multi-strand type separation cable, which comprises an internal cable core layer structure and an external cable wrapping layer structure, wherein rubber supporting strips arranged at intervals are arranged between the cable core layer structure and the cable wrapping layer structure; the cable core layer structure comprises a blocking piece and a cable core wire, wherein a channel for accommodating the cable core wire is arranged on the surface of the blocking piece; the cable wrapping structure comprises a limiting part, an outer insulating protective layer, a shielding protective net, a metal protective layer and an outer protective layer which are sequentially arranged from inside to outside, wherein the limiting part is arranged on the inner side of the outer insulating protective layer at intervals, and the limiting part is arranged between two adjacent cable cores. In this application, through the cable conductor that the three cores of baffling spare set up, can effectively avoid the easy winding condition in cable rotation back, and support the strip through locating part and rubber and separate each cable conductor and can avoid the short circuit. Meanwhile, the limiting piece has an elastic recovery function, the flexible strength between the cable core layer structure and the cable wrapping layer structure can be enhanced, the original state can be conveniently recovered, and the cable body can be prevented from being bent excessively.

Description

Multi-strand type separation cable

Technical Field

The utility model relates to a wire and cable technical field especially relates to a stranded formula separation cable.

Background

Wire and cable are wire products for transmitting electric energy, electric signals and realizing electromagnetic energy conversion. A cable generally comprises a core for transmitting power or electrical signals and a sheath for protecting and insulating. Cables having only one core and having a small diameter are generally called wires. There are also some electric wires without an insulating sheath, which are called bare wires. The cable core in the cable is made of metal materials with good electric conductivity, and usually copper (good electric conductivity) or aluminum (low cost) is used. The traditional electric wire and cable are easy to be wound together and difficult to be unwound when in use, only the electric wire and cable can be cut off, but the waste of resources is easy to cause. Meanwhile, if the wire core inside the cable is not fixed well, the wire core can shift, so that the eccentricity of the wire core is high, and the protective layer and the outer protective layer are easily broken down by current, thereby generating short circuit and even causing fire.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stranded formula separation cable, support the strip through each rubber and separate each cable conductor and cable parcel layer structure, carry out certain protection to the cable conductor, not only can avoid the cable to wrap up the layer structure and receive destruction, the reconversion of being convenient for, and can prevent that the cable body is excessively bent.

In order to achieve the above object, the present invention provides a multi-strand separation cable, which includes an inner cable core structure and an outer cable wrapping structure, wherein rubber support strips are arranged at intervals between the cable core structure and the cable wrapping structure;

the cable core layer structure comprises a blocking piece and a cable core wire, wherein three channels are formed in the surface of the blocking piece, and the cable core wire is arranged in the channels;

the cable wraps up in a layer structure and includes locating part, outer insulating protective layer, shielding protection network, metal inoxidizing coating and outer inoxidizing coating that from interior to exterior set gradually, the locating part interval row is established outer insulating protective layer is inboard, just adjacent two is arranged in to the locating part between the cable core.

Further, in the stranded separate cable, a plurality of wire cores are arranged inside the cable core wire, an inner insulating protective layer is arranged outside the wire cores, and a flame-retardant filler is arranged between the wire cores and the inner insulating protective layer.

Furthermore, in the multi-strand type separation cable, the wire cores are twisted together into a large wavy spiral shape, and the diameter of each wire core is 0.5mm-0.8 mm.

Further, in the multi-strand split cable, a metal bundling hoop is arranged outside the inner insulating protection layer.

Further, in the multi-strand split cable, the inner insulating protective layer and the outer insulating protective layer are made of any one of LCP, PI, and PTFE.

Further, in the multi-strand type separation cable, the outer layer of the limiting part is a foaming interlayer, the limiting part is internally provided with plastic folded plates which are uniformly arranged, and a gap exists between every two adjacent plastic folded plates.

Furthermore, in the multi-strand separate cable, a silica gel pad is arranged between the adjacent molding folded plates.

Further, in the multi-strand separation cable, the foam interlayer is made of PE.

Further, in the multi-strand separate cable, the shielding protective net is a protective net woven by thin wires made of copper-aluminum alloy materials.

Further, in the multi-strand separation cable, the thickness of the outer protective layer is 1mm-1.8mm, and the material is PVC.

Compared with the prior art, the beneficial effects of the utility model are mainly embodied in that: through the cable conductor that the three cores of separation piece set up, can effectively avoid the easy winding condition in cable rotation back, and support the strip through locating part and rubber between the three and separate, avoid producing the possibility of short circuit after contacting each other. Meanwhile, the limiting piece has an elastic recovery function, the flexible strength between the cable core layer structure and the cable wrapping layer structure can be enhanced, the original state can be conveniently recovered, and the cable body can be prevented from being bent excessively.

Drawings

Fig. 1 is a schematic structural diagram of a multi-strand separation cable according to the present invention.

Wherein: the insulation protective layer comprises a barrier 1, a wire core 21, a flame-retardant filler 22, an inner insulation protective layer 23, a metal binding hoop 24, a rubber supporting strip 3, a limiting part 4, a foaming interlayer 41, a plastic folded plate 42, a silica gel pad 43, an outer insulation protective layer 5, a shielding protective net 6, a metal protective layer 7 and an outer protective layer 8.

Detailed Description

The multi-strand split cable of the present invention will now be described in greater detail with reference to the schematic drawings, in which preferred embodiments of the invention are shown, it being understood that those skilled in the art may modify the invention herein described while still achieving the advantageous effects of the invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

As shown in fig. 1, the utility model provides a stranded separation cable, which comprises an inner cable core 21 layer structure and an outer cable wrapping layer structure, wherein rubber supporting strips 3 arranged at intervals are arranged between the cable core 21 layer structure and the cable wrapping layer structure; the cable core 21 layer structure comprises a barrier member 1 and cable cores, wherein the surface of the barrier member 1 is provided with three channels, and the cable cores are arranged in the channels; the cable wrapping structure comprises a limiting part 4, an outer insulating protective layer 5, a shielding protective net 6, a metal protective layer 7 and an outer protective layer 8 which are sequentially arranged from inside to outside, wherein the limiting part 4 is arranged on the inner side of the outer insulating protective layer 5 at intervals, and the limiting part 4 is arranged between two adjacent cable cores.

Further, in this embodiment, a plurality of wire cores 21 are arranged inside the cable core, the wire cores 21 are twisted together, and twisted into a large wavy spiral shape, and the diameter of the wire core 21 is 0.5mm-0.8mm, so that the hard strength of the cable core is improved, the secondary wire core 21 has certain strength, and the wire core 21 is prevented from being easily moved out of the channel. An inner insulating protective layer 23 is arranged on the outer side of the wire core 21, and a metal bundling hoop 24 is arranged outside the inner insulating protective layer 23. And a flame-retardant filler 22 is arranged between the wire core 21 and the inner insulating protective layer 23, the flame-retardant filler 22 is made of a low-smoke halogen-free oxygen-insulating material, the filling is mainly round, and the extrusion forming process not only improves the pressure resistance, but also improves the flame retardance. Meanwhile, the inner insulating protection layer 23 and the outer insulating protection layer 5 are respectively made of any one of LCP, P I and PTFE, and have the performance of improving high temperature resistance, corrosion resistance, wear resistance, pressure resistance and the like.

Further, in this embodiment, the outer layer of the limiting member 4 is the foam interlayer 41, the material of the foam interlayer 41 is PE, and PE is a widely used material, and has high mechanical strength and excellent electrical insulation performance, and can increase the pressure resistance and electromagnetic compatibility of the cable. The limiting part 4 is internally provided with plastic folding plates 42 which are uniformly arranged, a gap exists between every two adjacent plastic folding plates 42, and a silica gel pad 43 is arranged between every two adjacent plastic folding plates 42. Silica gel pad 43 can avoid the cable to wrap up in the direct extrusion cable core 21 layer structure of layer structure, not only can reduce the pressure that the cable core received, and the elasticity that silica gel pad 43 self possessed can reply to the original state fast after receiving the extrusion, through the type of moulding folded plate 42 of similar spring structure, consequently when the cable is bent the extrusion, the elasticity that type of moulding folded plate 42 itself carried can drive the cable and reply to the original state fast, and silica gel pad 43 can carry out certain protection to cable core 21 layer structure and cable wrapping up in layer structure, not only can avoid the cable to wrap up in layer structure and receive destruction, also can prevent that the cable body is bent excessively.

Further, in this embodiment, the shielding protective net 6 is a protective net woven by thin wires made of copper-aluminum alloy material, so as to effectively shield the external electromagnetic waves.

Further, in the present embodiment, the outer protection layer 8 is made of PVC, the extrusion thickness is 1mm-1.8mm, and the outer side of the metal protection layer 7 is uniformly extruded by using a tube extrusion process.

In summary, in the embodiment, the multi-strand separated cable provided by the invention can effectively avoid the situation that the cable is easy to wind after rotating through the cable core wires arranged by the three cores of the blocking element, and the three are separated by the limiting element and the rubber supporting strip, thereby avoiding the possibility of short circuit after mutual contact. Meanwhile, the limiting piece has an elastic recovery function, the flexible strength between the cable core layer structure and the cable wrapping layer structure can be enhanced, the original state can be conveniently recovered, and the cable body can be prevented from being bent excessively.

The above description is only for the preferred embodiment of the present invention, and does not limit the present invention. Any technical personnel who belongs to the technical field, in the scope that does not deviate from the technical scheme of the utility model, to the technical scheme and the technical content that the utility model discloses expose do the change such as the equivalent replacement of any form or modification, all belong to the content that does not break away from the technical scheme of the utility model, still belong to within the scope of protection of the utility model.

Claims

1. A multi-strand type separation cable is characterized by comprising an inner cable core layer structure and an outer cable wrapping layer structure, wherein rubber supporting strips arranged at intervals are arranged between the cable core layer structure and the cable wrapping layer structure;

2. The multi-strand split cable according to claim 1, wherein a plurality of wire cores are arranged inside the cable core, an inner insulating protective layer is arranged outside the wire cores, and a flame-retardant filler is arranged between the wire cores and the inner insulating protective layer.

3. The multi-strand split cable according to claim 2, wherein the wire cores are twisted together into a large undulating helix, the wire cores having a diameter of 0.5mm to 0.8 mm.

4. The multi-strand split cable according to claim 2, wherein said inner insulating protective layer is surrounded by a metallic bundling ferrule.

5. The multi-strand split cable according to claim 2, wherein the inner and outer insulative protective layers are each made of any one of LCP, PI, and PTFE.

6. The multi-strand split cable of claim 1, wherein the outer layer of the limiter is a foamed barrier layer, and wherein the limiter has uniformly arranged molding flaps with gaps between adjacent molding flaps.

7. The multi-strand split cable of claim 6, wherein silicone pads are disposed between adjacent said molding flaps.

8. The multi-strand split cable of claim 6, wherein said foam insulation layer is PE.

9. The multi-strand split cable according to claim 1, wherein the shielding protective net is a protective net woven by fine wires made of copper-aluminum alloy material.

10. The multi-strand split cable according to claim 1, wherein said outer protective layer has a thickness of 1mm to 1.8mm and is comprised of PVC.