CN216212460U - Anti-collision, tensile and anti-extrusion cable - Google Patents

Abstract

The utility model discloses an anti-collision, tensile and anti-extrusion cable, which comprises at least one core wire, a sheath structure wrapping the at least one core wire and an anti-extrusion rope (15) filled in the sheath structure and extending along the axial direction of the cable, wherein the sheath structure comprises a sheath layer (14) and a plurality of convex ridges (16) distributed around the outer peripheral surface of the sheath layer (14), each convex ridge (16) extends along the axial direction of the cable, the convex ridges (16) protrude outwards from the outer wall of the sheath layer (14) along the radial direction of the cable, and the extrusion, collision and abrasion can be prevented due to the addition of the convex ridges; the tensile rope (15) is added in the sheath structure, so that the tensile property of the product can be improved; furthermore, the convex ridge slotting technology is utilized, the elasticity of the cable can be increased, and the stability of the electrical performance is improved.

Description

Anti-collision, tensile and anti-extrusion cable

Technical Field

The utility model relates to the communication cable technology, in particular to an anti-collision, tensile and anti-extrusion cable.

Background

The existing cable mainly adopts a structure with a circular section, is easily abraded in use, causes high maintenance cost, is easy to fall off due to the circular structure in vertical laying, and cannot effectively prevent abrasion and fall off.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing an anti-collision, tensile and anti-extrusion cable aiming at the defects in the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows: construct an anticollision, tensile, anti extrusion cable, live including an at least heart yearn, parcel the jacket structure of an at least heart yearn is in with the packing the stretch-proofing rope of cable axial extension in the jacket structure and along the line, the jacket structure includes the restrictive coating and encircles many convex ridges of restrictive coating outer peripheral face distribution, each the convex ridge is along the cable axial extension, the convex ridge is certainly the outer wall of restrictive coating is radial to protruding outward along the cable.

Preferably, each ridge is provided with the tensile rope at the connecting position of the sheath layer.

Preferably, the sheath structure is formed by extruding polyolefin material once.

Preferably, both sides of the ridge are machined with a set of grooves with periodicity that increases the elasticity of the cable using laser techniques, the grooves extending along the length of the ridge.

Preferably, the distance between two sides of the ridge gradually increases from the top of the ridge to the bottom of the ridge, and a group of the grooves is uniformly distributed from the top close to the ridge to the bottom close to the ridge, and the bottoms of the grooves are semicircular.

Preferably, the cable also comprises a filling rope with tensile property filled between the core wire and the sheath layer.

Preferably, the protruding height of the ridge is not lower than 1/3 of the outer diameter of the cable.

Preferably, the core wire includes an inner conductor and an insulating layer covering the inner conductor.

Preferably, a plurality of the ridges are uniformly distributed around the outer circumferential surface of the sheath layer.

The anti-collision, tensile and anti-extrusion cable has the following beneficial effects: the convex ridge is added, so that extrusion collision abrasion can be prevented; the tensile resistance rope is added in the sheath structure, so that the tensile resistance of the product can be improved; furthermore, the convex ridge slotting technology is utilized, the elasticity of the cable can be increased, and the stability of the electrical performance is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts:

fig. 1 is a schematic cross-sectional view of a crash, tensile, and crush resistant cable according to the present invention.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Exemplary embodiments of the utility model are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

The general idea of the utility model is that a tensile rope extending along the axial direction of the cable is added in the sheath structure, and a convex ridge formed by protruding outward in the radial direction is added outside the sheath layer, so that the anti-collision and anti-extrusion can be realized, and the elasticity of the cable can be increased and the stability of the electrical performance can be improved by utilizing the convex ridge slotting technology.

In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the specification, and it should be understood that the embodiments and specific features of the embodiments of the present invention are detailed descriptions of the technical solutions of the present application, and are not limited to the technical solutions of the present application, and the technical features of the embodiments and examples of the present invention may be combined with each other without conflict.

Referring to fig. 1, a crash-proof, tensile, crush-resistant cable includes at least one core wire, a sheath structure wrapping the at least one core wire, a tensile cord (15) filled in the sheath structure and extending in an axial direction of the cable, and a filling cord (13) with a tensile property filled between the core wire and the sheath layer (14).

The core wire comprises an inner conductor (11) and an insulating layer (12) coated outside the inner conductor (11).

The sheath structure specifically comprises a sheath layer (14) and a plurality of convex ridges (16) uniformly distributed around the outer peripheral surface of the sheath layer (14), for example, 4 convex ridges are provided in the embodiment, the cross section of the sheath structure is similar to a quadrangle star, and the number of the convex ridges (16) can be larger. Each ridge (16) extends along the axial direction of the cable, and the ridges (16) protrude outwards from the outer wall of the sheath layer (14) along the radial direction of the cable.

The distance between two sides of the ridge (16) is gradually increased from the top of the ridge (16) to the bottom of the ridge (16), namely the cross section of the ridge (16) is similar to a trapezoid, and the upper bottom of the trapezoid is farther away from the core wire than the lower bottom.

The radial height of the ridge (16) is no less than 1/3 of the outer diameter of the cable.

Wherein, the tensile rope (15) is arranged at the connecting position of each ridge (16) and the sheath layer (14).

In this embodiment, the whole sheath structure is formed by extruding polyolefin material at one time, and the polyolefin material is usually modified polyvinyl chloride, and has high elasticity and abrasion resistance hardness of 70A.

Preferably, the two side surfaces of the convex ridge (16) are processed by adopting a laser technology to form a group of periodic grooves (17) for increasing the elasticity of the cable, the grooves (17) extend along the length direction of the convex ridge (16), the grooving period can reach 0.05-0.20 m, and the angle precision can reach +/-0.5 degrees. A group of grooves (17) is uniformly distributed from the top part close to the raised ridge (16) to the bottom part close to the raised ridge (16), and the bottom parts of the grooves (17) are semicircular and can also be in other shapes such as square and the like.

In conclusion, the anti-collision, tensile and anti-extrusion cable has the following beneficial effects: the convex ridge is added, so that extrusion collision abrasion can be prevented; the tensile rope (15) is added in the sheath structure, so that the tensile property of the product can be improved; furthermore, the convex ridge slotting technology is utilized, the elasticity of the cable can be increased, and the stability of the electrical performance is improved.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims (9)

1. The utility model provides an anticollision, tensile, anti extrusion cable, its characterized in that includes an at least heart yearn, wraps the jacket structure of an at least heart yearn and fills in among the jacket structure and along tensile rope (15) of cable axial extension, the jacket structure includes restrictive coating (14) and encircles many convex ridges (16) that restrictive coating (14) outer peripheral face distributes, each convex ridge (16) along cable axial extension, convex ridge (16) are certainly the outer wall of restrictive coating (14) is radially outwards outstanding along the cable.

2. A crash, tensile and crush resistant cable as claimed in claim 1, wherein the tensile cords (15) are provided at the location where each ridge (16) is connected to the jacket layer (14).

3. The crash, tensile and crush resistant cable as recited in claim 1, wherein the jacket structure is a one-time extrusion of a polyolefin material.

4. A crash, tensile and crush resistant cable according to claim 1 wherein both sides of the ridge (16) are laser machined with a periodic set of grooves (17) increasing the elasticity of the cable, the grooves (17) extending along the length of the ridge (16).

5. An anti-collision, tensile and anti-extrusion cable according to claim 4, characterized in that the distance between two sides of the ridge (16) is gradually increased from the top of the ridge (16) to the bottom of the ridge (16), a group of grooves (17) is uniformly arranged from the top near the ridge (16) to the bottom near the ridge (16), and the bottoms of the grooves (17) are semicircular.

6. A crash, tensile, crush resistant cable as claimed in claim 1 further comprising a filler cord (13) with tensile properties filled between the core and sheath layer (14).

7. A crash, tensile and crush resistant cable as claimed in claim 1 wherein the ridge (16) protrudes to a height no less than 1/3 of the outer diameter of the cable.

8. The anti-collision, tensile and anti-extrusion cable according to claim 1, wherein the core wire comprises an inner conductor (11) and an insulating layer (12) coated outside the inner conductor (11).

9. The crash, tensile and crush resistant cable as recited in claim 1, wherein the plurality of ridges (16) are evenly distributed around the outer circumference of the jacket layer (14).

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