CN209912565U

CN209912565U - Pressure-relieving cable

Info

Publication number: CN209912565U
Application number: CN201920920533.XU
Authority: CN
Inventors: 唐世华
Original assignee: Anhui Xinghua Cable Co Ltd
Current assignee: Anhui Xinghua Cable Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-01-07
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses a pressure-relieving cable, which comprises a cable body, wherein a plurality of cable cores are arranged in the cable body, the cable body comprises an outer sheath, the inner side of the outer sheath is overlapped with a wear-resistant layer, the inner side of the wear-resistant layer is overlapped with an insect-proof layer, the inner side of the insect-proof layer is overlapped with a reinforced layer, the inner side of the reinforced layer is overlapped with an outer shielding layer, the outer shielding layer is overlapped and arranged at the outer side of the inner sheath, a first pressure-relieving filling layer is arranged in the inner sheath, and a pressure-; the pressure-relieving support structure comprises a first isolation frame and a pressure-relieving frame, the first isolation frame is arranged in the inner sheath, the pressure-relieving frame is arranged in the first isolation frame, the pressure-relieving frame is provided with a plurality of pressure-relieving pipes, one end of each pressure-relieving pipe is fixedly connected with the outer side of the pressure-relieving filling block, and a through hole is formed in the pressure-relieving filling block. Through set up in the inside cover of cable and slowly press bearing structure, first isolation frame plays preliminary isolation effect, slowly presses the frame to the external pressure impact that receives and cushions.

Description

Pressure-relieving cable

Technical Field

The utility model relates to the technical field of cables, specifically be a slow-pressure cable.

Background

A cable is a conductor made of one or more conductors insulated from each other and an outer insulating sheath that carries power or information from one location to another. When current cable received external pressure and strikeed, pressure impact can directly transmit cable core department, causes the cable core to be pressed too big, and serious meeting leads to the cable core fracture, brings inconvenience for the use of cable, and after traditional cable long-time use, can lead to the cable to cause wearing and tearing, exposes inside cable core, for the life of cable early good one influence.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a slow-pressure cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pressure-relieving cable comprises a cable body, wherein a plurality of cable cores are arranged in the cable body, the cable body comprises an outer sheath, a wear-resistant layer is arranged on the inner side of the outer sheath in a superposed mode, an insect-proof layer is arranged on the inner side of the wear-resistant layer in a superposed mode, a reinforcing layer is arranged on the inner side of the insect-proof layer in a superposed mode, an outer shielding layer is arranged on the inner side of the reinforcing layer in a superposed mode, the outer shielding layer is arranged on the outer side of the inner sheath in a superposed mode, a; the pressure-relieving support structure comprises a first isolation frame and a pressure-relieving frame, the first isolation frame is arranged in the inner sheath, the pressure-relieving frame is arranged in the first isolation frame, the pressure-relieving frame is provided with a plurality of pressure-relieving pipes, one end of each pressure-relieving pipe is fixedly connected with the outer side of the pressure-relieving filling block, and a through hole is formed in the pressure-relieving filling block.

Preferably, first isolation frame is the hexagon structure, and the cable core setting is in first isolation frame, and the cable core, first isolation frame and slowly press and be provided with the second between the frame and slowly press the filling layer.

Preferably, the cable core outside stack is provided with the insulating layer, and the insulating layer outside stack is provided with the internal shield layer, and the internal shield layer outside stack is provided with fire-retardant layer, and the outside stack on fire-retardant layer is provided with the cable core sheath, and is compacted structure as an organic whole between insulating layer, internal shield layer, fire-retardant layer and the cable core sheath.

Preferably, each pressure-relieving pipe of the pressure-relieving frame is internally provided with a pressure-relieving spring, and the other point of each pressure-relieving pipe is fixedly connected with the inner side of the first isolation frame.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the first isolation frame plays a primary preliminary isolation role by arranging the pressure-relieving support structure in the inner sleeve of the cable, the pressure-relieving frame buffers the external pressure impact to protect the cable core inside the cable and prevent the cable core from being affected by extrusion caused by external force, and the second pressure-relieving filling layer and the first pressure-relieving filling layer arranged on the outer side of the cable core play a role in buffering the pressure impact;

2. the insulating layer that sets up in the outside of cable core, the internal shield layer, fire-retardant layer and cable core sheath, can be used to keep apart the mutual interference between the cable core, with the stability of reinforcing cable during operation, increase the fire resistance and the protectiveness of cable core, the outer shielding layer that sets up between the oversheath of cable body and inner sheath, the enhancement layer, protection against insects layer and wearing layer, the shielding nature of this cable has been increased, intensity, prevent gnawing of rat and ant and sting and damage the wearability in cable and the cable outside, the life of cable has been prolonged.

Drawings

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

FIG. 2 is a schematic diagram of the cable core structure of the present invention;

fig. 3 is a schematic view of the structure of the pressure relief frame of the present invention.

In the figure: 1. a cable body; 2. a cable core; 21. an insulating layer; 22. an inner shield layer; 23. a flame retardant layer; 24. a cable core sheath; 3. a pressure relief support structure; 31. a first isolation frame; 32. a slow pressing frame; 321. a pressure-relieving pipe; 322. a pressure relief spring; 33. slowly pressing the filling block; 11. an outer sheath; 12. an inner sheath; 13. a first pressure relief filling layer; 14. a second pressure relief filling layer; 15. an outer shield layer; 16. a reinforcing layer; 17. an insect-repellent layer; 18. and a wear-resistant layer.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a pressure-reducing cable comprises a cable body 1, wherein a plurality of cable cores 2 are arranged in the cable body 1, the cable body 1 comprises an outer sheath 11, a wear-resistant layer 18 is superposed on the inner side of the outer sheath 11, the wear-resistant layer 18 increases the wear resistance of the cable, an insect-proof layer 17 is superposed on the inner side of the wear-resistant layer 18, the insect-proof layer 17 increases the insect bite of the cable, the cable is protected, a reinforcing layer 16 is superposed on the inner side of the insect-proof layer 17, the strength of the cable is increased by the reinforcing layer 16, an outer shielding layer 15 is superposed on the inner side of the reinforcing layer 16, the shielding performance between the cables is increased by the outer shielding layer 15, the stability of the cable during working is enhanced, the outer shielding layer 15 is superposed on the outer side of an inner sheath 12, a first pressure-reducing filling layer 13 is arranged in the inner sheath 12, the first pressure-reducing filling layer 13 plays a; pressure-relieving support structure 3 includes first isolation frame 31 and pressure-relieving frame 32, pressure-relieving frame 32 cushions the impact that receives, prevent to strike and make the cable, by the extrusion between 2, the protection cable core 2, and in sheath 12 including first isolation frame 31 sets up, pressure-relieving frame 32 sets up in first isolation frame 31, pressure-relieving frame 32 has many to press the pipe 321 to constitute slowly, and every one end of pressing the pipe 321 slowly all with the outside fixed connection of pressure-relieving filling block 33, and be provided with the through-hole in the pressure-relieving filling block 33.

First isolation frame 31 is the hexagon structure, and cable core 2 sets up in first isolation frame 31, is provided with the second between cable core 2, first isolation frame 31 and the slow pressure frame 32 and slowly presses filling layer 14, and the second slowly presses filling layer 14 to the external force impact that receives and plays the cushioning effect, protection cable core 2.

The insulating layer 21 is arranged on the outer side of the cable core 2 in an overlapping mode, the inner shielding layer 22 is arranged on the outer side of the insulating layer 21 in an overlapping mode, the flame-retardant layer 23 is arranged on the outer side of the inner shielding layer 22 in an overlapping mode, the cable core sheath 24 is arranged on the outer side of the flame-retardant layer 23 in an overlapping mode, the insulating layer 21, the inner shielding layer 22, the flame-retardant layer 23 and the cable core sheath 24 are compacted into an integrated structure, the insulating layer 1 on the outer side of the cable core 2 is increased in insulating performance, the shielding performance between every cable core 2 is improved through the inner shielding layer 22, the flame-retardant layer 23.

All be provided with pressure relief spring 322 in every pressure relief pipe 321 of pressure relief frame 32, and another point of every pressure relief pipe 321 all with the inboard fixed connection of first isolation frame 31, pressure relief spring 322 cushions the external force impact that cable core 2 received, protection cable core 2.

The working principle is as follows: the cable comprises an insulating layer 21, an inner shielding layer 22, a flame-retardant layer 23 and a cable core sheath 24 which are sequentially arranged on the outer side of a cable core 2, a wear-resistant layer 18, an insect-proof layer 17, a reinforcing layer 16 and an outer shielding layer 15 are sequentially arranged between an outer sheath 11 and an inner sheath 12 of a cable body 1, a first isolation frame 31 is arranged in the inner sheath 12, a first pressure-relieving filling layer 13 is filled between the first isolation frame 31 and the inner sheath 12, a pressure-relieving pipe 321 with a pressure-relieving spring 322 inside is connected to the outer side of a pressure-relieving filling block 33, the pressure-relieving filling block 33 with the pressure-relieving pipe 312 is arranged in the first isolation frame 31, the cable core 2 is installed on one side of the pressure-relieving pipe 321, and a second pressure-relieving filling layer 14 is filled between the cable core 2, the pressure-relieving pipe 321 and.

The first isolation frame plays a primary preliminary isolation role by arranging the pressure-relieving support structure in the inner sleeve of the cable, the pressure-relieving frame buffers the external pressure impact to protect the cable core inside the cable and prevent the cable core from being affected by extrusion caused by external force, and the second pressure-relieving filling layer and the first pressure-relieving filling layer arranged on the outer side of the cable core play a role in buffering the pressure impact; the insulating layer that sets up in the outside of cable core, the internal shield layer, fire-retardant layer and cable core sheath, can be used to keep apart the mutual interference between the cable core, with the stability of reinforcing cable during operation, increase the fire resistance and the protectiveness of cable core, the outer shielding layer that sets up between the oversheath of cable body and inner sheath, the enhancement layer, protection against insects layer and wearing layer, the shielding nature of this cable has been increased, intensity, prevent gnawing of rat and ant and sting and damage the wearability in cable and the cable outside, the life of cable has been prolonged.

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. The utility model provides a slow-pressure cable, includes cable body (1), its characterized in that: a plurality of cable cores (2) are arranged in a cable body (1), the cable body (1) comprises an outer sheath (11), a wear-resistant layer (18) is arranged on the inner side of the outer sheath (11) in an overlapping mode, an insect-proof layer (17) is arranged on the inner side of the wear-resistant layer (18) in an overlapping mode, a reinforcing layer (16) is arranged on the inner side of the insect-proof layer (17) in an overlapping mode, an outer shielding layer (15) is arranged on the inner side of the reinforcing layer (16) in an overlapping mode, the outer shielding layer (15) is arranged on the outer side of an inner sheath (12) in an overlapping mode, a first pressure-relieving filling; pressure-relieving support structure (3) include first isolation frame (31) and pressure-relieving frame (32), and in sheath (12) including first isolation frame (31) set up, pressure-relieving frame (32) set up in first isolation frame (31), pressure-relieving frame (32) have many to press pipe (321) to constitute, and the one end of every pressure-relieving pipe (321) all with the outside fixed connection of pressure-relieving filling block (33), and be provided with the through-hole in pressure-relieving filling block (33).

2. A voltage relief cable as claimed in claim 1, wherein: the first isolation frame (31) is of a hexagonal structure, the cable core (2) is arranged in the first isolation frame (31), and a second pressure-relieving filling layer (14) is arranged among the cable core (2), the first isolation frame (31) and the pressure-relieving frame (32).

3. A voltage relief cable as claimed in claim 1, wherein: the cable comprises a cable core (2), and is characterized in that an insulating layer (21) is arranged on the outer side of the cable core (2) in an overlapping mode, an inner shielding layer (22) is arranged on the outer side of the insulating layer (21) in an overlapping mode, a flame-retardant layer (23) is arranged on the outer side of the inner shielding layer (22) in an overlapping mode, a cable core sheath (24) is arranged on the outer side of the flame-retardant layer (23) in an overlapping mode, and the insulating layer (21), the inner shielding layer (22), the.

4. A voltage relief cable as claimed in claim 1, wherein: a pressure-relieving spring (322) is arranged in each pressure-relieving pipe (321) of the pressure-relieving frame (32), and the other point of each pressure-relieving pipe (321) is fixedly connected with the inner side of the first isolation frame (31).