CN212181992U

CN212181992U - Breakage-proof cable

Info

Publication number: CN212181992U
Application number: CN202021160812.XU
Authority: CN
Inventors: 王柏松; 张晓晨; 苏运柱; 王金平; 程国华
Original assignee: Tianjin Youhui Wire And Cable Co ltd
Current assignee: Tianjin Youhui Wire And Cable Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2020-12-18
Anticipated expiration: 2030-06-19

Abstract

The utility model relates to the technical field of cables, and a prevent damaged cable is disclosed, including cable core, oversheath, inner sheath and insulating sheath, cable core, inner sheath and insulating sheath set up in the oversheath intracavity, and the buffering muscle that are provided with reinforcing cable buffering compressive capacity between oversheath and the inner sheath are the wave, and oversheath inner wall and inner sheath outer wall are provided with the buffering arch, and inner sheath intracavity central point department of putting is provided with the cross section and is circular shape elastic sheath. This prevent damaged cable through setting up buffering muscle and buffering arch, has realized the resistance to compression and the breakage-proof ability that can the whole outside oversheath of protection cable, and the extrusion force that the buffering muscle received the oversheath cushions and protects, and the buffering is protruding to be cushioned the muscle and is protected, mutually supports the use to improve the resistance to compression and the breakage-proof ability of oversheath, not only improved the protective capacities to the cable core on the whole, but also improved holistic life and compressive strength of cable.

Description

Breakage-proof cable

Technical Field

The utility model relates to the technical field of cables, specifically be the cable that prevents the damage.

Background

The electric wire and cable is a wire product for transmitting electric energy and electric signals and realizing electromagnetic energy conversion, and the cable generally consists of a cable core for transmitting the electric power or the electric signals and a sheath for protecting and insulating.

In the prior art, when the outside of the cable receives the extrusion force, the outside of the cable is easily damaged by the extrusion force, secondly, when the extrusion force outside the cable is transmitted to the inside of the cable, the cable cores inside the cable are easily in extrusion contact together, the problem of damage to the insulating layer between the cable cores is easily caused for a long time, and the practicability of the cable is reduced. Therefore, in view of the above problems, it is desirable to provide a cable that prevents breakage.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a prevent damaged cable, the resistance to compression and the breakage-proof ability that possess the whole outside oversheath of protection cable and the resistance to compression and the breakage-proof ability that improve the oversheath, not only improved the protective capacities to the cable core on the whole, but also improved advantages such as holistic life of cable and compressive strength, when having solved prior art cable outside and having received the extrusion force, the cable outside receives the extrusion force damage easily, secondly, when the outside extrusion force of cable transmits to the cable inside, the easy extrusion contact of the inside cable core of cable is in the same place, damaged problem appears easily in the insulating layer between the cable core in the past for a long time.

(II) technical scheme

For the resistance to compression and the breakage-proof ability of realizing the whole outside oversheath of above-mentioned protection cable and the resistance to compression and the breakage-proof ability that improve the oversheath, not only improved the protective capacities to the cable core on the whole, but also improved holistic life of cable and compressive strength purpose, the utility model provides a following technical scheme: the cable capable of preventing damage comprises a cable core, an outer sheath, an inner sheath and an insulating sheath, wherein the cable core, the inner sheath and the insulating sheath are arranged in an outer sheath cavity, a buffer rib for enhancing the buffer pressure resistance of the cable is arranged between the outer sheath and the inner sheath, the buffer rib is wave-shaped, buffer bulges for protecting the buffer rib are arranged on the inner wall of the outer sheath and the outer wall of the inner sheath, and the buffering is protruding to be semi-circular, inner sheath intracavity central point department of putting is provided with the cross section and is circular shape elastic sheath, the elastic sheath intracavity is provided with the cross section and is circular shape stiffener, fixed mounting has evenly distributed and plays the insulator spindle of supporting role to the inner sheath between inner sheath and the elastic sheath, the insulator spindle is the elastic rod, insulating sheath fixed mounting is between two adjacent insulator spindles, cable core fixed mounting is in insulating sheath, be provided with between elastic sheath and the stiffener and correspond telescopic link and buffer spring each other with the insulator spindle.

Preferably, the buffer rib is fixedly installed between the inner wall of the outer sheath and the outer wall of the inner sheath, the buffer bulge consists of a wave crest bulge and a wave trough bulge, the wave crest bulge is fixedly installed on the inner wall of the outer sheath, and the wave trough bulge is fixedly installed on the outer wall of the inner sheath.

Preferably, two adjacent wave crest bulges are positioned between wave crests of the buffer rib, and two adjacent wave trough bulges are positioned between wave troughs of the buffer rib.

Preferably, an elastic arc block is fixedly installed between two adjacent insulating rods.

Preferably, the telescopic rod is fixedly installed between the elastic sheath and the reinforcing rod and corresponds to the insulating rod.

Preferably, the buffer spring is sleeved on the outer wall of the telescopic rod.

(III) advantageous effects

Compared with the prior art, the utility model provides a prevent damaged cable possesses following beneficial effect:

1. this prevent damaged cable through setting up buffering muscle and buffering arch, has realized the resistance to compression and the breakage-proof ability that can the whole outside oversheath of protection cable, and the extrusion force that the buffering muscle received the oversheath cushions and protects, and the buffering is protruding to be cushioned the muscle and is protected, mutually supports the use to improve the resistance to compression and the breakage-proof ability of oversheath, not only improved the protective capacities to the cable core on the whole, but also improved holistic life and compressive strength of cable.

2. The anti-damage cable is provided with the reinforcing rod, the elastic sheath, the insulating rod, the elastic arc block, the telescopic rod and the buffer spring, the elastic arc block separates two adjacent cable cores in the insulating sheath, the cable cores are protected, when the outer sheath is prevented from being extruded, make mutual extrusion contact between the cable core between the inner sheath intracavity, cause long-term mutual extrusion and damaged problem of wearing out between the cable core, the insulator spindle, stiffener and elastic sheath have played the effect of the holistic compressive strength of reinforced cable, elastic sheath, telescopic link and buffer spring can carry out the extrusion of cable from outside to inside transmission secondary buffering and offset, the effect of protection cable core has been reached, the inside extrusion force that receives of cable core and damaged problem has been played and has been avoided, the holistic compressive capacity of cable and life-span have been improved, have stronger practicality.

Drawings

Fig. 1 is a sectional view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is an enlarged view of the point B in fig. 1 according to the present invention.

In the figure: 1. a cable core; 2. an outer sheath; 3. an inner sheath; 4. an insulating sheath; 5. buffering the ribs; 6. a buffer protrusion; 601. the wave crest is raised; 602. the wave trough is convex; 7. an elastic sheath; 8. a reinforcing bar; 9. an insulating rod; 10. an elastic arc block; 11. a telescopic rod; 12. a buffer spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the anti-damage cable comprises a cable core 1, an outer sheath 2, an inner sheath 3 and an insulating sheath 4, wherein the cable core 1, the inner sheath 3 and the insulating sheath 4 are arranged in a cavity of the outer sheath 2, a buffer rib 5 for enhancing the buffer pressure resistance of the cable is arranged between the outer sheath 2 and the inner sheath 3, the buffer rib 5 is wave-shaped, buffer bulges 6 for protecting the buffer rib 5 are arranged on the inner wall of the outer sheath 2 and the outer wall of the inner sheath 3, the buffer ribs 5 are fixedly arranged between the inner wall of the outer sheath 2 and the outer wall of the inner sheath 3, the buffer bulges 6 are composed of wave crest bulges 601 and wave trough bulges 602, the wave crest bulges 601 are fixedly arranged on the inner wall of the outer sheath 2, the wave trough bulges 602 are fixedly arranged on the outer wall of the inner sheath 3, two adjacent wave crest bulges 601 are positioned between wave crests of the buffer rib 5, and two adjacent wave trough, 3 intracavity central point departments of inner sheath are provided with the cross section and are circular shape elastic sheath 7, it is circular shape stiffener 8 to be provided with the cross section in the 7 intracavity of elastic sheath, fixed mounting has evenly distributed and plays supporting role's insulator spindle 9 to inner sheath 3 between inner sheath 3 and the elastic sheath 7, insulator spindle 9 is the elastic rod, 4 fixed mounting of insulator sheath are between two

adjacent insulator spindles

9, 1 fixed mounting of cable core is in insulator sheath 4, fixed mounting has elasticity arc piece 10 between two adjacent insulator spindles 9, be provided with between elastic sheath 7 and the stiffener 8 with insulator spindle 9 mutual corresponding telescopic link 11 and

buffer spring

12, 11 fixed mounting of telescopic link is between elastic sheath 7 and stiffener 8, and buffer spring 12 cup joints at 11 outer walls of telescopic link.

When the cable is used, when the outer wall of the outer sheath 2 is subjected to extrusion force, the buffer rib 5 between the inner wall of the outer sheath 2 and the outer wall of the inner sheath 3 buffers and protects the extrusion force applied to the outer sheath 2, and the wave crest bulge 601 and the wave trough bulge 602 buffer and protect the buffer rib 5, so that when the outer sheath 2 is subjected to the extrusion force applied to the outer side, the cable core 1 can be well protected, and meanwhile, the buffer rib 5 and the buffer bulge 6 have a protection effect, so that the outer sheath 2 can buffer the extrusion force transmitted from the outside, the problem that the outer sheath 2 is damaged when being subjected to the extrusion force can be avoided, the compression resistance and the breakage resistance of the cable body are improved, therefore, the compression resistance and the breakage resistance of the outer sheath 2 outside the cable can be protected by arranging the buffer rib 5 and the buffer bulge 6, and the buffer rib 5 buffers and protects the extrusion force applied to the outer sheath 2, the buffer bulge 6 buffers and protects the buffer rib 5 and is mutually matched for use, thereby improving the compression resistance and breakage resistance of the outer sheath 2, not only improving the protection capability of the cable core 1 on the whole, but also improving the service life and compressive strength of the whole cable, by arranging the reinforcing rod 8, the elastic sheath 7, the insulating rod 9, the elastic arc block 10, the telescopic rod 11 and the buffer spring 12, when the outer sheath 2 is subjected to extrusion force, the insulating rod 9 is an elastic rod, the insulating rod 9 plays a role in supporting and reinforcing the inner sheath 3, the elastic sheath 7 has elasticity, when the outer sheath 2 is subjected to extrusion force and the extrusion force is transmitted to the elastic sheath 7 through the insulating rod 9, the elastic sheath 7 can transmit the extrusion force to the telescopic rod 11 and the buffer spring 12, thereby realizing the buffer and offset of the extrusion force transmitted from outside to inside, the cable core 1 is positioned in the insulating sheath 4, and the two adjacent cable cores 1 are separated by the elastic arc block 10, so that the cable cores 1 are protected, the problem that the cable cores 1 are mutually extruded for a long time and damaged due to mutual extrusion when the outer sheath 2 is subjected to extrusion force is avoided, therefore, by arranging the reinforcing rod 8, the elastic sheath 7, the insulating rod 9, the elastic arc block 10, the telescopic rod 11 and the buffer spring 12, the elastic arc block 10 realizes that the two adjacent cable cores 1 in the insulating sheath 4 are separated, the cable cores 1 are protected, the problem that the cable cores 1 are mutually extruded for a long time and damaged due to mutual extrusion between the cable cores 1 when the outer sheath 2 is subjected to extrusion force is avoided, the insulating rod 9, the reinforcing rod 8 and the elastic sheath 7 play a role in reinforcing the overall compressive strength of the cable, elastic sheath 7, telescopic link 11 and buffer spring 12 can carry out the extrusion of cable from outside to inside transmission secondary buffering and offset, have reached the effect of protection cable core 1, have played and have avoided cable core 1 inside to receive the extrusion force and damaged problem, have improved the holistic compressive capacity of cable and life-span, have stronger practicality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Prevent damaged cable, including cable core (1), oversheath (2), inner sheath (3) and insulating sheath (4), its characterized in that: the cable core (1), the inner sheath (3) and the insulating sheath (4) are arranged in a cavity of the outer sheath (2), a buffer rib (5) for enhancing the buffer pressure resistance of the cable is arranged between the outer sheath (2) and the inner sheath (3), the buffer rib (5) is wave-shaped, buffer bulges (6) for protecting the buffer rib (5) are arranged on the inner wall of the outer sheath (2) and the outer wall of the inner sheath (3), the buffer bulges (6) are semi-circular, an elastic sheath (7) with a circular cross section is arranged at the central position in the cavity of the inner sheath (3), a reinforcing rod (8) with a circular cross section is arranged in the cavity of the elastic sheath (7), insulating rods (9) which are uniformly distributed and support the inner sheath (3) are fixedly arranged between the inner sheath (3) and the elastic sheath (7), and the insulating sheath (4) is fixedly arranged between two adjacent insulating rods (9), the cable core (1) is fixedly arranged in the insulating sheath (4), and a telescopic rod (11) and a buffer spring (12) which correspond to the insulating rod (9) are arranged between the elastic sheath (7) and the reinforcing rod (8).

2. The breakage-proof cable of claim 1, wherein: buffer muscle (5) fixed mounting is between oversheath (2) inner wall and inner sheath (3) outer wall, and buffer arch (6) comprise crest arch (601) and trough arch (602), and crest arch (601) fixed mounting is in oversheath (2) inner wall, and trough arch (602) fixed mounting is in inner sheath (3) outer wall.

3. The breakage-proof cable of claim 2, wherein: two adjacent wave crest bulges (601) are positioned between wave crests of the buffer rib (5), and two adjacent wave trough bulges (602) are positioned between wave troughs of the buffer rib (5).

4. The breakage-proof cable of claim 1, wherein: an elastic arc block (10) is fixedly arranged between every two adjacent insulating rods (9).

5. The breakage-proof cable of claim 1, wherein: the telescopic rod (11) is fixedly arranged between the elastic sheath (7) and the reinforcing rod (8) and corresponds to the insulating rod (9).

6. The breakage-proof cable of claim 1, wherein: the buffer spring (12) is sleeved on the outer wall of the telescopic rod (11).