CN214796803U

CN214796803U - Butyronitrile compound insulation shielding removes flexible cable

Info

Publication number: CN214796803U
Application number: CN202121295219.0U
Authority: CN
Inventors: 邓标; 吴金; 何忠东; 金鑫; 王影; 刘登瑞
Original assignee: Anhui Xinyate Cable Technology Co ltd
Current assignee: Anhui Xinyate Cable Technology Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-11-19
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a butyronitrile compound insulation shielding mobile flexible cable, which comprises a cable core, and a belting layer, a shielding layer, a compression-resistant protective layer, a tensile buffer layer and a sheath layer which are sequentially coated outside the cable core; the cable core is formed by intertwisting seven wire cores, and each wire core comprises a conductor and an insulating layer coated outside the conductor; arc grooves are arranged on the outer wall of the pressure-resistant protective layer at intervals, and pressure-resistant arc plates with inward arc openings are arranged in the arc grooves; tensile buffer layer includes tensile inlayer, tensile outer, interval setting and connect tensile inlayer and tensile outer splice bar respectively between tensile inlayer and tensile skin, sets up the buffering core between two adjacent splice bars and inlays the resistance to compression core of establishing in buffering core inside, and the adoption aramid fiber cloth of tensile inlayer, tensile skin and splice bar is made, and the buffering core all adopts TPE elastomer material to make with the resistance to compression protective layer. The utility model discloses a setting up of resistance to compression protective layer and tensile buffer layer has promoted the bearing capacity and the tensile strength of flexible cable.

Description

Butyronitrile compound insulation shielding removes flexible cable

Technical Field

The utility model relates to a flexible cable technical field especially relates to a butyronitrile compound insulation shielding removes flexible cable.

Background

Cables are generally rope-like cables made by stranding several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation. The flexible cable refers to a cable made of a plurality of strands of thin copper wires bundled together, and the bending radius of the cable is small.

Among the prior art, flexible cable has soft characteristic, and bend radius is less, but it has the bearing capacity weak point, and the poor problem of tensile strength, cable lay often can receive the extrusion of external force and drag with the in-process of work to, the condition that deformation, damage, fracture appear because of external force extrusion and dragging easily in current flexible cable, life is shorter.

To above technical problem, the utility model discloses a butyronitrile compound insulation shielding removes flexible cable, the utility model has the advantages of improve flexible cable's bearing capacity, improve flexible cable's tensile strength, extension flexible cable's life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a butyronitrile compound insulation shielding removes flexible cable to it is weak to have the bearing capacity in the flexible cable among the solution prior art, and tensile strength is poor, technical problem such as life is short, the utility model has the advantages of improve the bearing capacity of flexible cable, improve the tensile strength of flexible cable, prolong the life of flexible cable.

The utility model discloses a following technical scheme realizes: the utility model discloses a butyronitrile compound insulation shielding mobile flexible cable, which comprises a cable core, and a belting layer, a shielding layer, a compression-resistant protective layer, a tensile buffer layer and a sheath layer which are sequentially coated outside the cable core; the cable core is formed by intertwisting seven wire cores, each wire core comprises a conductor and an insulating layer coated outside the conductor, and the insulating layer and the sheath layer are both made of butyronitrile compound materials; arc grooves are arranged on the outer wall of the pressure-resistant protective layer at intervals, and pressure-resistant arc plates with inward arc openings are arranged in the arc grooves; tensile buffer layer includes the tensile inlayer, the tensile is outer, the interval sets up between tensile inlayer and tensile skin and connect tensile inlayer and tensile outer splice bar respectively, set up the buffering core between two adjacent splice bars and inlay the resistance to compression core of establishing in buffering core inside, the tensile inlayer, the tensile is outer and the splice bar all adopts aramid fiber cloth to make, the buffering core all adopts TPE elastomer material to make with the resistance to compression protective layer, resistance to compression core all adopts the nylon materials to make with the resistance to compression arc board.

Preferably, in order to improve the bearing capacity of the cable, buffer grooves are arranged in the arc grooves at intervals, and a convex rib is formed between every two adjacent buffer grooves.

Preferably, in order to improve the tensile property of the cable, a tensile core is embedded in the cable core, the tensile core and the cable core are mutually twisted, and the tensile core is an aramid fiber rope.

Preferably, the wrapping layer is formed by wrapping a polyester tape in order to improve the compactness of the internal structure of the cable.

Preferably, in order to improve the shielding performance and the flexibility of the cable, the shielding layer is formed by weaving tinned copper wires.

Preferably, to improve the flexible characteristics of the cable, the conductor is a multi-strand flexible copper conductor

The utility model has the advantages of it is following:

(1) in the utility model, the tensile buffer layer is arranged outside the cable core, the tensile buffer layer comprises a tensile inner layer, a tensile outer layer and connecting ribs which are arranged between the tensile inner layer and the tensile outer layer at intervals and are respectively connected with the tensile inner layer and the tensile outer layer, the tensile inner layer, the tensile outer layer and the connecting ribs are all made of aramid fiber cloth, the tensile core is embedded in the cable core and is mutually twisted with the wire core, and the tensile core is an aramid fiber rope, so that the tensile property of the flexible cable is obviously improved; when the flexible cable is pulled by external force, the flexible cable is not easy to be damaged or broken;

(2) in the utility model, the outer part of the cable core is provided with a compression-resistant protective layer which is made of TPE elastomer material, the TPE elastomer material is soft and elastic, external force is buffered while the cable core is protected, the arc grooves are arranged on the outer wall of the compression-resistant protective layer at intervals, the compression-resistant arc plates with inward arc openings are arranged in the arc grooves, the compression-resistant arc plates are made of nylon material, the nylon material has better mechanical property and flexibility, thereby improving the flexibility of the flexible cable while improving the bearing capacity of the flexible cable, meanwhile, the buffer grooves are arranged at intervals in the arc grooves, a convex edge is formed between two adjacent buffer grooves, when the flexible cable is extruded by external force, the convex edge can deform, thereby buffering the external pressure, in addition, a buffer core is arranged between two adjacent connecting ribs in the tensile buffer layer, the compression-resistant core is embedded in the buffer core, and the buffer core is made of TPE elastomer material, the pressure-resistant core is made of nylon materials, so that the pressure-bearing capacity of the flexible cable is further improved, and the service life of the flexible cable is prolonged.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

fig. 2 is a cross-sectional view of the pressure resistant protective layer.

In the figure: 1. a cable core; 11. a wire core; 111. a conductor; 112. an insulating layer; 12. a tensile core; 2. a belting layer; 3. a shielding layer; 4. a compression-resistant protective layer; 41. an arc groove; 411. a buffer tank; 5. a tensile buffer layer; 51. a tensile inner layer; 52. a tensile outer layer; 53. connecting ribs; 54. a buffer core; 55. a compression resistant core; 6. a sheath layer; 7. a compression-resistant arc plate; 8. and (7) a rib.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example 1

Embodiment 1 discloses a butyronitrile compound insulation shielding mobile flexible cable, which comprises a cable core 1, and a belting layer 2, a shielding layer 3, a compression-resistant protective layer 4, a tensile buffer layer 5 and a sheath layer 6 which are sequentially coated outside the cable core 1, wherein the belting layer 2 is formed by winding a polyester tape, and the shielding layer 3 is formed by weaving tinned copper wires; the cable core 1 is formed by mutually twisting seven wire cores 11, the tensile core 12 is embedded in the cable core 1, the tensile core 12 and the wire cores 11 are mutually twisted, the tensile core 12 is an aramid fiber rope, the wire cores 11 comprise conductors 111 and insulating layers 112 covering the conductors 111, the conductors 111 are multi-strand soft copper conductors, and the insulating layers 112 and the sheath layers 6 are both made of butyronitrile composite materials;

as shown in fig. 1 and fig. 2, arc grooves 41 are provided at intervals on the outer wall of the pressure-resistant protective layer 4, pressure-resistant arc plates 7 with inward arc openings are provided in the arc grooves 41, buffer grooves 411 are provided at intervals in the arc grooves 41, and a convex rib 8 is formed between two adjacent buffer grooves 411; tensile buffer layer 5 includes tensile inlayer 51, tensile outer 52, the interval sets up between tensile inlayer 51 and tensile outer 52 and connect tensile inlayer 51 and tensile outer 52's splice bar 53 respectively, the setting is at the inside resistance to compression core 55 of buffering core 54 with inlaying the setting between two adjacent splice bars 53, tensile inlayer 51, tensile outer 52 and splice bar 53 all adopt aramid fiber cloth to make, buffering core 54 all adopts TPE elastomer material to make with resistance to compression protective layer 4, resistance to compression core 55 all adopts nylon materials to make with resistance to compression arc board 7.

The principle of the utility model is as follows: in the utility model, the outer part of the cable core 1 is provided with the tensile buffer layer 5, the tensile buffer layer 5 comprises a tensile inner layer 51, a tensile outer layer 52 and a connecting rib 53 which is arranged between the tensile inner layer 51 and the tensile outer layer 52 at intervals and is respectively connected with the tensile inner layer 51 and the tensile outer layer 52, the tensile inner layer 51, the tensile outer layer 52 and the connecting rib 53 are all made of aramid fiber cloth, the tensile core 12 is embedded in the cable core 1, the tensile core 12 is twisted with the cable core 11, and the tensile core 12 is an aramid fiber rope, so that the tensile property of the flexible cable is obviously improved; when the flexible cable is pulled by external force, the flexible cable is not easy to be damaged or broken; in the utility model, the outer part of the cable core 1 is provided with a pressure-resistant protective layer 4, the pressure-resistant protective layer 4 is made of TPE elastomer material, the TPE elastomer material is soft and elastic, buffer the external force while protecting the cable core, the arc grooves 41 are arranged on the outer wall of the pressure-resistant protective layer 4 at intervals, the pressure-resistant arc plates 7 with inward arc openings are arranged in the arc grooves 41, the pressure-resistant arc plates 7 are made of nylon material, the nylon material has better mechanical property and flexibility, thereby improving the flexibility of the flexible cable while improving the bearing capacity of the flexible cable, meanwhile, the buffer grooves 411 are arranged in the arc grooves 41 at intervals, the convex edge 8 is formed between two adjacent buffer grooves 411, when the flexible cable is extruded by the external force, the convex edge 8 can deform, thereby buffering the external pressure, in addition, the buffer core 54 is arranged between two adjacent connecting ribs 53 in the tensile buffer layer 5, the pressure-resistant core 55 is embedded in the buffer core 54, the buffer core 54 is made of TPE elastomer material, and the compression-resistant core 55 is made of nylon material, so that the bearing capacity of the flexible cable is further improved, and the service life of the flexible cable is prolonged.

Claims

1. A butyronitrile compound insulation shielding mobile flexible cable is characterized by comprising a cable core, and a belting layer, a shielding layer, a compression-resistant protective layer, a tensile buffer layer and a sheath layer which are sequentially coated outside the cable core;

the cable core is formed by intertwisting seven wire cores, each wire core comprises a conductor and an insulating layer coated outside the conductor, and the insulating layer and the sheath layer are both made of butyronitrile composite materials;

arc grooves are arranged on the outer wall of the compression-resistant protective layer at intervals, and compression-resistant arc plates with inward arc openings are arranged in the arc grooves;

tensile buffer layer includes tensile inlayer, tensile outer, interval setting and is in tensile inlayer with the tensile is outer between and connect respectively the tensile inlayer with tensile outer splice bar, setting are adjacent two buffer core between the splice bar is established with inlaying the inside resistance to compression core of buffer core, tensile inlayer, tensile are outer with the splice bar all adopts aramid fiber cloth to make, the buffer core with the resistance to compression protective layer all adopts TPE elastomer material to make, resistance to compression core with the resistance to compression arc board all adopts the nylon materials to make.

2. A butyronitrile composite insulation shielding mobile flexible cable as claimed in claim 1, wherein the arc grooves are provided with buffer grooves at intervals, and a rib is formed between two adjacent buffer grooves.

3. The insulation shielding mobile flexible cable of claim 1, wherein a tensile core is further embedded in the cable core, the tensile core and the cable core are twisted with each other, and the tensile core is an aramid fiber rope.

4. A nitrile rubber compound insulation shielding mobile flexible cable as claimed in claim 1, wherein said wrapping layer is formed by wrapping a polyester tape.

5. A nitrile compound insulation shielding mobile flexible cable as in claim 1, wherein the shielding layer is braided with tinned copper wire.

6. A nitrile-butadiene composite insulation shield mobile flexible cable as in claim 1, wherein said conductor is a multi-strand soft copper conductor.