PVC cable with anti-extrusion structure

Abstract

The utility model discloses a PVC (polyvinyl chloride) cable with an anti-extrusion structure, which comprises a PVC sleeve and electrified conductors, the electrified conductors are arranged on the inner side of the PVC sleeve, a plurality of electrified conductors are annularly arranged, and five arc-shaped hard plates are fixedly mounted on the inner wall of the PVC sleeve and annularly arranged. The surface of the PVC sleeve can deform and drive the multiple arc-shaped hard plates to move when being extruded by external force, the rubber side columns can deform through movement of the arc-shaped hard plates, the effect of buffering extrusion force is achieved, meanwhile, the inclined faces of the trapezoidal blocks make contact with the rubber disc through movement of the arc-shaped hard plates, the rubber disc deforms, and the buffering effect is further improved; and the rubber discs and the arc-shaped hard plates are arranged in a staggered manner, so that the effect of protecting the electrified conductor can be achieved, meanwhile, the whole cable still has good flexibility, and normal use of the cable is not influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC cables, in particular to a PVC cable with an anti-extrusion structure. Background Technique

[0002] PVC cables, namely polyvinyl chloride insulated wires and cables, are common power transmission and distribution devices. They use polyvinyl chloride as the main insulating material and have a variety of excellent properties and wide application fields;

[0003] The structure of the existing PVC cables is relatively simple, and there is no protective mechanism inside and on the surface. During actual use, the PVC cables are easily squeezed by various external forces. After being squeezed for a long time, the PVC cables are easily damaged, which in turn affects the normal use of the PVC cables. Therefore, it is necessary to design a PVC cable with an anti-extrusion structure to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a PVC cable with an anti-extrusion structure to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A PVC cable with an anti-extrusion structure includes a PVC sleeve and a current-carrying conductor. The current-carrying conductor is arranged inside the PVC sleeve, and a number of current-carrying conductors are arranged in a ring shape. Five arc-shaped hard plates are fixedly installed on the inner wall of the PVC sleeve, and the five arc-shaped hard plates are arranged in a ring shape and there are several groups arranged from front to back. A trapezoidal block is fixedly installed inside the arc-shaped hard plate, and a rubber side column is fixedly installed inside the trapezoidal block. A main rubber column is fixedly installed between the five rubber side columns in the same group.

[0006] Preferably, rubber discs that cooperate with the trapezoidal blocks are fixedly installed on the surface of the main rubber column, and several rubber discs are arranged from front to back.

[0007] Preferably, a conductor shielding layer is fixedly installed on the surface of the rubber disc through an opening, and a number of conductor shielding layers are arranged in a ring shape.

[0008] Preferably, one end of the current-carrying conductor penetrates through the conductor shielding layer and extends into the inside of the conductor shielding layer.

[0009] Preferably, the front side and the rear side of the trapezoidal block are both set as inclined surfaces.

[0010] Preferably, a wear-resistant layer is arranged on the surface of the PVC sleeve.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The PVC cable with an anti-extrusion structure is provided with arc-shaped hard plates. When the surface of the PVC sleeve is externally extruded, it can deform and drive multiple arc-shaped hard plates to move. The movement of the arc-shaped hard plates can cause the rubber side columns to deform, achieving the effect of buffering the extrusion force. At the same time, the movement of the arc-shaped hard plates makes the inclined surface of the trapezoidal block contact the rubber disk and causes the rubber disk to deform, further improving the buffering effect. And by arranging the rubber disk and the arc-shaped hard plates in a staggered manner, the effect of protecting the energized conductor can be achieved, and at the same time, the overall cable can still have good flexibility without affecting the normal use of the cable.

[0013] 2. The PVC cable with an anti-extrusion structure is provided with a wear-resistant layer, which can protect the surface of the PVC sleeve and prevent serious wear caused by the contact between the surface of the PVC sleeve and the ground during the dragging process. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the present invention;

[0015] Figure 2 is a side view of the internal structure of the PVC sleeve, wear-resistant layer and rubber disk of the present invention;

[0016] Figure 3 is a schematic structural diagram of the trapezoidal block, rubber side column and main rubber column of the present invention;

[0017] Figure 4 is a schematic structural diagram of the rubber disk, conductor shielding layer and energized conductor of the present invention.

[0018] In the figure: 1, PVC sleeve; 2, wear-resistant layer; 3, arc-shaped hard plate; 4, trapezoidal block; 5, rubber side column; 6, main rubber column; 7, rubber disk; 8, conductor shielding layer; 9, energized conductor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0020] Embodiment 1

[0021] Please refer to Figures 1-4As shown in the figure, the utility model provides a PVC cable with an anti-extrusion structure, which includes a PVC sleeve 1 and a live conductor 9. The live conductor 9 is arranged inside the PVC sleeve 1, and a number of live conductors 9 are arranged in a ring. An arc-shaped hard board 3 is fixedly installed on the inner wall of the PVC sleeve 1, and five arc-shaped hard boards 3 are arranged in a ring. Five arc-shaped hard boards 3 are in a group and are arranged in several groups from front to back. A trapezoidal block 4 is fixedly installed inside the arc-shaped hard board 3, and a rubber side column 5 is fixedly installed inside the trapezoidal block 4. A main rubber column 6 is fixedly installed between five rubber side columns 5 in the same group.

[0022] Specifically, a rubber disc 7 that cooperates with the trapezoidal block 4 is fixedly installed on the surface of the main rubber column 6, and a number of rubber discs 7 are arranged from front to back. A conductor shielding layer 8 is fixedly installed on the surface of the rubber disc 7 through an opening, and a number of conductor shielding layers 8 are arranged in a ring. One end of the live conductor 9 penetrates through the conductor shielding layer 8 and extends into the inside of the conductor shielding layer 8. The front side and the rear side of the trapezoidal block 4 are both inclined planes. By setting the arc-shaped hard board 3, when an external force is applied to the surface of the PVC sleeve 1, the PVC sleeve 1 can deform and drive a plurality of arc-shaped hard boards 3 to move. The movement of the arc-shaped hard board 3 can cause the rubber side column 5 to deform, achieving the effect of buffering the extrusion force. At the same time, the movement of a plurality of arc-shaped hard boards 3 drives the trapezoidal block 4 to move towards the main rubber column 6. The movement of the trapezoidal block 4 can make its inclined plane contact with the rubber disc 7 and cause the rubber disc 7 to deform, further improving the buffering effect. At the same time, the arc-shaped hard board 3 and the rubber disc 7 can form a hard protective shell on the surface of the conductor shielding layer 8 after extrusion, thereby achieving the effect of protecting the live conductor 9 inside the conductor shielding layer 8. And by arranging the rubber disc 7 and the arc-shaped hard board 3 alternately, the effect of protecting the live conductor 9 can be achieved, and at the same time, the cable as a whole can still have good flexibility and does not affect the normal use of the cable.

[0023] Among them: a wear-resistant layer 2 is arranged on the surface of the PVC sleeve 1. The wear-resistant layer 2 can specifically be made of rubber. By setting the wear-resistant layer 2, the wear-resistant layer 2 can protect the surface of the PVC sleeve 1, avoiding the situation that the surface of the PVC sleeve 1 is severely worn when it comes into contact with the ground during dragging.

[0024] Working principle: The utility model is a PVC cable with an anti-extrusion structure. By setting the arc-shaped hard plates 3, when the surface of the PVC sleeve 1 is externally extruded, it can deform and drive the movement of multiple arc-shaped hard plates 3. The movement of the arc-shaped hard plates 3 can cause the rubber side columns 5 to deform, achieving the effect of buffering the extrusion force. At the same time, the movement of multiple arc-shaped hard plates 3 drives the trapezoidal blocks 4 to move towards the main rubber column 6. The movement of the trapezoidal blocks 4 can make their inclined surfaces contact the rubber discs 7 and cause the rubber discs 7 to deform, further improving the buffering effect. At the same time, after extrusion, the arc-shaped hard plates 3 and the rubber discs 7 can form a hard protective shell on the surface of the conductor shielding layer 8, thereby achieving the effect of protecting the energized conductor 9 inside the conductor shielding layer 8. And by arranging the rubber discs 7 and the arc-shaped hard plates 3 in a staggered manner, the effect of protecting the energized conductor 9 can be achieved, and at the same time, the cable as a whole can still have good flexibility without affecting the normal use of the cable. And by setting the wear-resistant layer 2, the wear-resistant layer 2 can protect the surface of the PVC sleeve 1, avoiding the situation that the surface of the PVC sleeve 1 is seriously worn when it comes into contact with the ground during the dragging process.

[0025] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0026] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A PVC cable with an anti-extrusion structure, comprising a PVC sheath (1) and an energized conductor (9), characterized in that: The energized conductor (9) is arranged inside the PVC sleeve (1), and a plurality of energized conductors (9) are arranged in a ring shape. The inner wall of the PVC sleeve (1) is fixedly installed with arc-shaped hard plates (3), and five arc-shaped hard plates (3) are arranged in a ring shape. The five arc-shaped hard plates (3) are in a group and are arranged in several groups from front to back. The inner side of the arc-shaped hard plate (3) is fixedly installed with a trapezoidal block (4), and the inner side of the trapezoidal block (4) is fixedly installed with a rubber side column (5). A main rubber column (6) is fixedly installed between the five rubber side columns (5) in the same group.

2. The PVC cable with an anti-extrusion structure according to claim 1, wherein: The surface of the main rubber column (6) is fixedly installed with a rubber disc (7) that is used in cooperation with the trapezoidal block (4), and several rubber discs (7) are arranged from front to back.

3. The PVC cable with an anti-extrusion structure according to claim 2, characterized in that: The surface of the rubber disc (7) is fixedly installed with a conductor shielding layer (8) through an opening, and several conductor shielding layers (8) are arranged in a ring shape.

4. A PVC cable with an anti-extrusion structure according to claim 3, characterized in that: One end of the energized conductor (9) penetrates through the conductor shielding layer (8) and extends to the inside of the conductor shielding layer (8).

5. A PVC cable with an anti-extrusion structure according to claim 1, characterized in that: The front side and the rear side of the trapezoidal block (4) are both inclined surfaces.

6. The PVC cable with an anti-extrusion structure according to claim 1, wherein: The surface of the PVC sleeve (1) is provided with a wear-resistant layer (2).

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