CN210156165U

CN210156165U - Novel central force-bearing flexible communication cable

Info

Publication number: CN210156165U
Application number: CN201920570947.4U
Authority: CN
Inventors: 朱金鑫; 杜娟; 朱有明; 路永鸣; 吴子剑; 汪永军; 陈宇飞; 胡建中; 钱永红; 路宝俊; 张兆斌; 杜刚
Original assignee: YANGZHOU JIN XIN CABLE CO Ltd
Current assignee: YANGZHOU JIN XIN CABLE CO Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-03-17
Anticipated expiration: 2029-04-24

Abstract

The utility model discloses a novel central bearing flexible communication cable, which comprises a cable bundle, a wrapping layer and an outer sheath, wherein the wrapping layer and the outer sheath are sequentially sleeved on the cable bundle from inside to outside; the pair twist unit comprises two pair twist wire cores, and each wire core comprises a conductor and an insulating layer wrapped outside the conductor. The utility model discloses with few materials, the dead weight is light, possesses good shock resistance ability and compressive capacity.

Description

Novel central force-bearing flexible communication cable

Technical Field

The utility model mainly relates to a novel flexible communication cable of center load belongs to cable technical field.

Background

The cable is generally used indoors and outdoors respectively, the outdoor space is required to be adapted to natural terrains and weather, the indoor space is also generally arranged in a concealed mode, and the cable is extruded when the placement space is narrow.

Therefore, a novel flexible communication cable with a central bearing force is needed to resist wind, rain and external force compression.

Disclosure of Invention

In order to overcome the not enough of prior art, the utility model provides a novel flexible communication cable of center load, this cable is applicable to control circuit, automated control system's signal transmission and connecting wire for detecting instrument, instrument connection, has good shock resistance, interference killing feature.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel central bearing flexible communication cable comprises a cable bundle, a first wrapping layer and an outer sheath, wherein the first wrapping layer and the outer sheath are sequentially sleeved on the cable bundle from inside to outside; the pair twist unit comprises two pair twist wire cores and a second wrapping layer wrapping the wire cores, and each wire core comprises a conductor and an insulating layer wrapped outside the conductor.

Furthermore, a buffer ring is arranged in the outer sheath, the buffer ring is made of styrene thermoplastic elastomer, and the cross section of the buffer ring is in a closed wave curve shape. The elastic wave curve can provide buffering when being impacted by the outside, reduce the impact force on the inner conductor and improve the flexibility of the cable.

Further, the outer sheath is a polyurethane outer sheath. The acid and alkali corrosion resistance of the cable and the flexibility of the cable are improved.

Furthermore, the first wrapping layer comprises double wrapping layers, and the two wrapping layers are oppositely wound. Make originally compact, closely knit around the covering. The phenomena of bulging, concave-convex and the like are not easy to occur on the surface of the finished cable product.

Furthermore, the insulating layer is a polytetrafluoroethylene insulating layer. The adopted polytetrafluoroethylene insulating material has strong high temperature resistance.

Furthermore, the edge of the central force bearing core is of a tubular structure, and the inside of the central force bearing core is of a central symmetry and axisymmetric honeycomb structure. The honeycomb structure is an optimal topological structure covering a two-dimensional plane, the structural strength of the honeycomb structure is high, and the dead weight of the cable is reduced.

Furthermore, the pair twisting unit is externally tangent to the central bearing core and internally tangent to the wrapping layer. Through the effect around covering and central load core, will twist the unit clamp crowded fixedly, improve the cable steadiness.

Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: the utility model discloses, with few materials, the dead weight is light, possesses good shock resistance ability and compressive capacity.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a first wrapping layer;

the cable comprises a conductor 1, an insulating layer 2, a second wrapping layer 3, a first wrapping layer 4, an outer sheath 5 and a central bearing core 6.

Detailed Description

The present invention will be further clarified by the following description with reference to the attached drawings and specific examples, which should be understood as being merely illustrative of the present invention and not limiting the scope of the present invention, and modifications of various equivalent forms of the present invention by those skilled in the art after reading the present invention, all fall within the scope defined by the appended claims of the present application.

As shown in figure 1, the novel central force-bearing flexible communication cable comprises a conductor 1, an insulating layer 2, a second winding layer 3, a second winding layer 4, an outer sheath 5 and a central force-bearing core 6. The central bearing core 6 is positioned in the center of the cable and comprises an annular edge, wherein the edge is made of insulating materials, and a honeycomb structure is fully distributed in the edge. The honeycomb structure has strong stability and improves the bearing capacity of the cable. And materials are saved, and the production cost is reduced.

The conductor 1, the insulating layer 2 and the second wrapping layer 3 form a pair-twisting unit. Insulating layer 2 wraps conductor 1 and constitutes a sinle silk, and two sets of sinle silks are twisted in pairs, and the second wraps two sets of sinle silks around covering 3 parcel. The 12 pairs of twisted units are twisted on the outer ring of the central bearing core 6, and the 12 pairs of twisted units 3 are uniformly distributed around the central bearing core 6 and face each other on the cross section. The pair twist unit is externally sleeved with a first wrapping layer 4. The first wrapping 4 is a double wrapping, as shown in fig. 2. The wrapping directions are opposite, and one is anticlockwise and the other is clockwise. Make originally compact, closely knit around the covering. The phenomena of bulging, concave-convex and the like are not easy to occur on the surface of the finished cable product. The outer lane of first covering 4 is around a polyurethane outer sheath 5, is equipped with the buffer ring in the outer sheath 5, and the buffer ring is a wavy airtight curve. The composition unit of the curve is an S-shaped structure formed by two semicircles, and the S-shaped structure circularly forms the curve. The buffer ring is a styrene thermoplastic elastomer, and can provide buffer when being impacted by the outside, reduce the impact force on the inner conductor and improve the flexibility of the cable. The semicircular arc-shaped part is in contact with the two walls of the outer sheath, so that abrasion of the buffer ring on the two walls when the buffer ring plays a buffer role is reduced when the buffer ring is impacted.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a novel flexible communication cable of center load which characterized in that: the cable comprises a cable core, a first wrapping layer (4) and an outer sheath (5), wherein the first wrapping layer (4) and the outer sheath (5) are sequentially sleeved on the cable core from inside to outside, the cable core comprises a central bearing core (6) and 12 groups of paired units, the central bearing core (6) is positioned in the center, and the 12 groups of paired units are twisted along the central bearing core (6) and surround the central bearing core; the pair twist unit comprises two pair twist wire cores and a second wrapping layer (3) wrapping the wire cores, wherein the wire cores comprise conductors (1) and insulating layers (2) wrapping the conductors.

2. The novel center force-bearing flexible communication cable of claim 1, characterized in that: a buffer ring is arranged in the outer sheath (5), the buffer ring is made of styrene thermoplastic elastomer, and the cross section of the buffer ring is in a closed wave curve shape.

3. The novel center force-bearing flexible communication cable of claim 1, characterized in that: the outer sheath (5) is a polyurethane outer sheath.

4. The novel center force-bearing flexible communication cable of claim 1, characterized in that: the first wrapping layer (4) is double-layer wrapping, and the two layers are opposite in winding direction.

5. The novel center force-bearing flexible communication cable of claim 1, characterized in that: the insulating layer (2) is a polytetrafluoroethylene insulating layer.

6. The novel center force-bearing flexible communication cable of claim 1, characterized in that: the edge of the central bearing core (6) is of a tubular structure, and the inside of the central bearing core is of a centrosymmetric and axisymmetric honeycomb structure.

7. The novel center force-bearing flexible communication cable of claim 1, characterized in that: the pair twisting unit is externally tangent to the central bearing core (6) and internally tangent to the wrapping layer (4).