CN214476600U

CN214476600U - Waterproof and compression-resistant safe insulating polyvinyl chloride sheath power cable

Info

Publication number: CN214476600U
Application number: CN202023127767.0U
Authority: CN
Inventors: 徐惠平; 夏涛; 徐广宇
Original assignee: Jiangsu Yujiu Cable Technology Co ltd
Current assignee: Jiangsu Yujiu Cable Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-10-22
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a safe insulating polyvinyl chloride sheath power cable of waterproof resistance to compression relates to cable technical field, all is the plain noodles for solving between the layer body of current cable inside, and when making the connection like this, frictional force is not enough, the problem of the probability increase that the pressurized drops. The outside of safe insulating polyvinyl chloride sheath main part is provided with outside connecting block mechanism, and outside connecting block mechanism is provided with a plurality of, a plurality of the top of outside connecting block mechanism is provided with the body of rod, and the body of rod and outside connecting block mechanism fixed connection, a plurality of the below of outside connecting block mechanism is provided with the barrier plate, and barrier plate and outside connecting block mechanism fixed connection.

Description

Waterproof and compression-resistant safe insulating polyvinyl chloride sheath power cable

Technical Field

The utility model relates to the technical field of cables, specifically be a safe insulating polyvinyl chloride sheath power cable of waterproof resistance to compression.

Background

A cable is a power or signal transmission device, and is generally composed of several wires or groups of wires. The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like. Cables can be divided into direct current cables and alternating current cables according to the system of the photovoltaic power station, and are classified according to different purposes and use environments as follows: 1. direct current cable (1) subassembly and the series connection cable between the subassembly. (2) Parallel cables between the strings and a direct current distribution box (combiner box). (3) And a cable from the direct current distribution box to the inverter. The cables are direct-current cables, are laid outdoors more frequently, need to be moisture-proof, insolation-proof, cold-resistant, heat-resistant and ultraviolet-resistant, and need to be resistant to chemical substances such as acid and alkali in certain special environments.

However, the layers in the existing cable are all smooth, so that the friction force is insufficient during connection, and the probability of falling off under pressure is increased; therefore, the existing requirements are not met, and a waterproof and pressure-resistant safe insulating polyvinyl chloride sheath power cable is provided for the power cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safe insulating polyvinyl chloride sheath power cable of waterproof resistance to compression to all be the plain noodles between the layer body of the current cable inside that proposes in solving above-mentioned background art, when making the connection like this, frictional force is not enough, the problem of the probability increase that the pressurized drops.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a safe insulating polyvinyl chloride sheath power cable of waterproof resistance to compression, includes safe insulating polyvinyl chloride sheath main part, the outside of safe insulating polyvinyl chloride sheath main part is provided with outside connecting block mechanism, and outside connecting block mechanism is provided with a plurality of, a plurality of the top of outside connecting block mechanism is provided with the body of rod, and the body of rod and outside connecting block mechanism fixed connection, a plurality of the below of outside connecting block mechanism is provided with the barrier plate, and barrier plate and outside connecting block mechanism fixed connection.

Preferably, the top of the connecting rod body is provided with a threaded connecting rod body, two sides of the top of the connecting rod body are provided with connecting blocks, and the number of the connecting blocks is two.

Preferably, two the top of connecting block all is provided with the protruding point of anti-skidding rubber, and the protruding point of anti-skidding rubber is provided with two, two the protruding point of anti-skidding rubber all with connecting block fixed connection.

Preferably, the outside of safe insulating polyvinyl chloride sheath main part is provided with safe insulating polyvinyl chloride overcoat, the inside of safe insulating polyvinyl chloride overcoat is provided with anti UV layer, the inside on anti UV layer is provided with the flame retardant coating, and safe insulating polyvinyl chloride overcoat, anti UV layer and flame retardant coating soaking melt and connect.

Preferably, the inside of flame retardant coating is provided with the water blocking layer, and the water blocking layer is connected with the flame retardant coating hot melt, all be provided with anti-skidding outstanding piece around the water blocking layer outer wall, and anti-skidding outstanding piece is provided with four, and anti-skidding outstanding piece and water blocking layer fixed connection.

Preferably, the inside of water-blocking layer is provided with steel armor, the inside of steel armor is provided with the conductor body, and the conductor body is provided with threely, steel armor and water-blocking layer hot melt are connected.

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

1. the utility model discloses a set up the protruding point of anti-skidding rubber between the flame retardant coating and the water blocking layer of this safe insulating polyvinyl chloride sheath main part's inside setting, flame retardant coating and water blocking layer are siliceous and rubber materials respectively and make, and both synergism have played fire-retardant waterproof effect, and the protruding point of anti-skidding rubber lets the friction between this flame retardant coating and the water blocking layer strengthen, reduces and breaks away from or not hard up probability, avoids the junction to be the plain noodles, and the condition of pressurized easy falling damage takes place.

2. Through the barrier plate that terminal surface set up under the external connecting block mechanism, the cable damage's that can effectual reduction cable lower extreme article condition of damaging, and the antiskid rubber salient point that sets up at the up end of connecting block can increase the firm nature that the device is connected with the installation basic point.

Drawings

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

Fig. 2 is a schematic diagram of the cable profile structure of the present invention.

Fig. 3 is a schematic view of the local structure of the connecting block of the present invention.

In the figure: 1. a safety insulating polyvinyl chloride sheath body; 2. an external connection block mechanism; 3. a blocking plate; 4. connecting the rod body; 5. the rod body is connected by screw threads; 6. connecting blocks; 7. anti-skid rubber bumps; 8. a safe insulating polyvinyl chloride jacket; 9. a UV resistant layer; 10. a refractory layer; 11. a water resistant layer; 12. an anti-skid protruding block; 13. a steel layer armor layer; 14. a conductor body.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a safe insulating polyvinyl chloride sheath power cable of waterproof resistance to compression, including safe insulating polyvinyl chloride sheath main part 1, the outside of safe insulating polyvinyl chloride sheath main part 1 is provided with outside connecting block mechanism 2, and outside connecting block mechanism 2 is provided with a plurality of, the top of a plurality of outside connecting block mechanism 2 is provided with the connecting rod body 4, and the connecting rod body 4 and 2 fixed connection of outside connecting block mechanism, the below of a plurality of outside connecting block mechanism 2 is provided with barrier plate 3, and barrier plate 3 and 2 fixed connection of outside connecting block mechanism.

Further, the top of the connection rod body 4 is provided with the threaded connection rod body 5, and the both sides of the top of the connection rod body 4 all are provided with connecting block 6, and connecting block 6 is provided with two, the setting of the threaded connection rod body 5 for the connection can carry out convenient installation.

Further, the anti-skid rubber convex points 7 are arranged above the two connecting blocks 6, the anti-skid rubber convex points 7 are arranged in two numbers, the two anti-skid rubber convex points 7 are fixedly connected with the connecting blocks 6, and the anti-skid rubber convex points 7 are arranged, so that when the device is connected with an installation base point, the connection firmness is increased.

Further, the outside of safe insulating polyvinyl chloride sheath main part 1 is provided with safe insulating polyvinyl chloride overcoat 8, and the inside of safe insulating polyvinyl chloride overcoat 8 is provided with anti UV layer 9, and the inside on anti UV layer 9 is provided with flame retardant coating 10, and safe insulating polyvinyl chloride overcoat 8, anti UV layer 9 and flame retardant coating 10 soaking melt the connection, and the setting of flame retardant coating 10 makes the device can have the effect of fire prevention.

Further, the inside of flame retardant coating 10 is provided with water blocking layer 11, and water blocking layer 11 and flame retardant coating 10 hot melt are connected, all be provided with anti-skidding protruding piece 12 around the water blocking layer 11 outer wall, and anti-skidding protruding piece 12 is provided with four, and anti-skidding protruding piece 12 and water blocking layer 11 fixed connection, and the setting of anti-skidding protruding piece 12 increases the frictional force between flame retardant coating 10 and the water blocking layer 11.

Further, the inside of water-blocking layer 11 is provided with steel armor 13, and the inside of steel armor 13 is provided with conductor body 14, and conductor body 14 is provided with threely, and steel armor 13 is connected with 11 hot melts of water-blocking layer, and the hot melt between this layer is connected, and the effectual firm fixed that carries on, the setting of steel armor 13 for the device can have the tensile effect of the resistance to compression of maximize, and the setting of water-blocking layer 11 increases the waterproof performance of the device.

The working principle is as follows: when in use, the external connecting block mechanism 2 is connected with the safe insulating polyvinyl chloride sheath main body 1 in a sleeve way, a plurality of the safe and insulating polyvinyl chloride sheath main bodies 1 are fixedly connected with a connecting rod body 4, a threaded connecting rod body 5 arranged above the connecting rod body 4 is in threaded connection with an installation base point, the anti-skid rubber convex points 7 arranged above the connecting blocks 6 at the two sides above the connecting rod body 4 can increase the connection firmness of the device and the installation base point, through the safe insulating polyvinyl chloride jacket 8 arranged on the outer wall of the safe insulating polyvinyl chloride jacket main body 1, the fire-resistant layer 10 and the water-resistant layer 11 are arranged in the safe insulating polyvinyl chloride jacket 8, so that the device has the effects of fire resistance and water resistance, and the anti-skid protruding blocks 12 are arranged, so that the friction between the fire-resistant layer 10 and the water-resistant layer 11 is increased, and the probability of separation or loosening is reduced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a safe insulating polyvinyl chloride sheath power cable of waterproof resistance to compression, includes safe insulating polyvinyl chloride sheath main part (1), its characterized in that: the outside of safe insulating polyvinyl chloride sheath main part (1) is provided with outside connecting block mechanism (2), and outside connecting block mechanism (2) is provided with a plurality of, a plurality of the top of outside connecting block mechanism (2) is provided with the connecting rod body (4), and the connecting rod body (4) and outside connecting block mechanism (2) fixed connection, a plurality of the below of outside connecting block mechanism (2) is provided with barrier plate (3), and barrier plate (3) and outside connecting block mechanism (2) fixed connection.

2. The waterproof pressure-resistant safety insulated polyvinyl chloride sheathed power cable according to claim 1, characterized in that: the connecting rod is characterized in that a threaded connecting rod body (5) is arranged above the connecting rod body (4), connecting blocks (6) are arranged on two sides above the connecting rod body (4), and the number of the connecting blocks (6) is two.

3. The waterproof pressure-resistant safety insulated polyvinyl chloride sheathed power cable according to claim 1, characterized in that: two the top of connecting block (6) all is provided with anti-skidding rubber salient point (7), and anti-skidding rubber salient point (7) are provided with two, two anti-skidding rubber salient point (7) all with connecting block (6) fixed connection.

4. The waterproof pressure-resistant safety insulated polyvinyl chloride sheathed power cable according to claim 1, characterized in that: the outside of safe insulating polyvinyl chloride sheath main part (1) is provided with safe insulating polyvinyl chloride overcoat (8), the inside of safe insulating polyvinyl chloride overcoat (8) is provided with anti UV layer (9), the inside on anti UV layer (9) is provided with flame retardant coating (10), and safe insulating polyvinyl chloride overcoat (8), anti UV layer (9) and flame retardant coating (10) soaking melt and connect.

5. The waterproof pressure-resistant safety insulated polyvinyl chloride sheathed power cable according to claim 4, wherein: the fireproof layer is characterized in that a water-resistant layer (11) is arranged inside the fireproof layer (10), the water-resistant layer (11) is in hot-melt connection with the fireproof layer (10), the anti-skid protruding blocks (12) are arranged on the periphery of the outer wall of the water-resistant layer (11), the number of the anti-skid protruding blocks (12) is four, and the anti-skid protruding blocks (12) are fixedly connected with the water-resistant layer (11).

6. The waterproof pressure-resistant safety insulated polyvinyl chloride sheathed power cable according to claim 5, wherein: the waterproof layer is characterized in that a steel layer armor layer (13) is arranged inside the waterproof layer (11), a conductor body (14) is arranged inside the steel layer armor layer (13), the number of the conductor bodies (14) is three, and the steel layer armor layer (13) is connected with the waterproof layer (11) in a hot melting mode.