CN210927067U

CN210927067U - Soft joint of crosslinked polyethylene cable

Info

Publication number: CN210927067U
Application number: CN201922458939.3U
Authority: CN
Inventors: 缪勤中; 余虎; 虞顺杰; 丁长勇
Original assignee: Shanghai Hu An Cable Wuxi Co ltd
Current assignee: Shanghai Hu An Cable Wuxi Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-07-03
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a flexible joint of crosslinked polyethylene cable relates to cable joint technical field, for solving the problem that current cable joint is not convenient for twine the connection under the thick condition of copper line. The inside of first cold draw is provided with the connecting block, one side of connecting block is provided with the connector, and the one end and the connecting block threaded connection of connector, the inside one side of connector is provided with the copper sheathing, the inside of copper sheathing is provided with copper line inserting groove, and copper line inserting groove is provided with ten, one side of connector is provided with first nylon core, and the other end threaded connection of first nylon core and connector, the one end of first nylon core is provided with first compressing tightly the cover, the screw thread is provided with the first cap that compresses tightly on the outer wall of first nylon core, the inside other end screw thread of connecting block is provided with the second nylon core, the one end of second nylon core is provided with the second and compresses tightly the cover.

Description

Soft joint of crosslinked polyethylene cable

Technical Field

The utility model relates to a cable joint technical field specifically is a soft joint of crosslinked polyethylene cable.

Background

In various industries, cables need to be laid, after the cables are laid, in order to enable the cables to be a continuous line, all sections of the cables need to be connected into a whole, the connection points are called cable joints, and when the existing cables are connected, copper wires in the cables need to be mutually wound so as to enable the cables to be electrified.

The existing cable joint is inconvenient to wind and connect under the condition that a copper wire is too thick; thus, the existing need is not met, for which we propose a flexible joint for crosslinked polyethylene cables.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible joint of crosslinked polyethylene cable to solve the problem that the winding of being not convenient for was connected under the too thick condition of copper line to the current cable joint who proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a soft joint of a crosslinked polyethylene cable comprises a first cold shrinkage pipe, wherein a connecting block is arranged inside the first cold shrinkage pipe, one side of the connecting block is provided with a connecting head, one end of the connecting head is in threaded connection with the connecting block, one side inside the connecting head is provided with a copper sleeve, the inside of the copper sleeve is provided with copper wire inserting grooves, ten copper wire inserting grooves are arranged, one side of the connecting head is provided with a first nylon core, the first nylon core is in threaded connection with the other end of the connecting head, one end of the first nylon core is provided with a first pressing sleeve, a first pressing cap is in threaded connection with the outer wall of the first nylon core, the other end of the inside of the connecting block is provided with a second nylon core, one end of the second nylon core is provided with a second pressing sleeve, and rubber sealing elements are arranged inside the first pressing sleeve and the second pressing sleeve, the outside of second nylon core is provided with the second and compresses tightly the cap, and the second compresses tightly cap and second nylon core threaded connection, the both ends of copper sheathing all through copper line inserting groove respectively with first cable and second cable fixed connection, and the one end of first cable and second cable extends to the outside that first cap and second compressed tightly the cap respectively.

Preferably, the first pressing cap and the second pressing cap are both provided with rubber rings.

Preferably, a high-temperature sleeve is arranged on the outer wall of the first cold shrink tube.

Preferably, a copper mesh is arranged on the outer wall of the high-temperature sleeve.

Preferably, a second cold-shrink tube is arranged on the outer wall of the copper mesh.

Preferably, the outer wall of the second cold shrink tube is provided with two constant force springs.

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

1. the utility model discloses an inside copper line inserting groove that sets up of copper sheathing to peg graft the inside copper line of first cable and second cable in copper line inserting groove, thereby make the cable circular telegram through the electric conductivity of copper sheathing, and because the copper line kind difference can be according to the thickness change copper sheathing of copper line, thereby make the joint be applicable to more cables, make cable connection more simple and convenient effective, thereby more conveniently connect under the thick condition of copper line.

2. Through setting up first cold shrink pipe and second cold shrink pipe, the elasticity through cold shrink pipe at normal atmospheric temperature returns the inside of power with the connector protection at cold shrink pipe to make cable junction's waterproof nature better, and two constant force springs on the cold shrink pipe outer wall can be better compress tightly the both ends of cold shrink pipe, thereby reach better water-proof effects through the dual protection of cold shrink pipe and constant force spring.

Drawings

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

FIG. 2 is a schematic view of the overall split structure of the present invention;

FIG. 3 is a schematic side sectional view of the present invention;

FIG. 4 is a schematic side view of the copper sheath of the present invention;

FIG. 5 is a schematic view of a second cold shrink tube configuration of the present invention;

in the figure: 1. a first cold shrink tube; 2. connecting blocks; 3. a connector; 4. a copper sleeve; 5. copper wire inserting grooves; 6. a first nylon core; 7. a first compression sleeve; 8. a rubber seal; 9. a first compression cap; 10. a second nylon core; 11. a second compression sleeve; 12. a second compression cap; 13. a first cable; 14. a second cable; 15. a rubber ring; 16. a high temperature bushing; 17. a copper mesh; 18. a second cold shrink tube; 19. a constant force 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.

Referring to fig. 1-5, the present invention provides an embodiment: a soft joint of a cross-linked polyethylene cable comprises a first cold shrinkage pipe 1, wherein a connector 3 is protected inside the first cold shrinkage pipe 1 by the elastic retraction force of the first cold shrinkage pipe 1 at normal temperature, so that the waterproof performance of the joint of a first cable 13 and a second cable 14 is better, a connecting block 2 is arranged inside the first cold shrinkage pipe 1, one side of the connecting block 2 is provided with the connector 3, one end of the connector 3 is in threaded connection with the connecting block 2, one side inside the connector 3 is provided with a copper bush 4, a copper wire inserting groove 5 is arranged inside the copper bush 4, ten copper wire inserting grooves 5 are arranged, copper wires inside the first cable 13 and the second cable 14 can be inserted into the copper wire inserting groove 5, so that the first cable 13 and the second cable 14 are mutually electrified through the electric conductivity of the copper bush 4, and the copper bush 4 can be replaced according to the thickness of the copper wires due to different types, therefore, the connector is suitable for more cables, the cable connection is more simple, convenient and effective, one side of the connector 3 is provided with a first nylon core 6, the first nylon core 6 is in threaded connection with the other end of the connector 3, one end of the first nylon core 6 is provided with a first pressing sleeve 7, the outer wall of the first nylon core 6 is provided with a first pressing cap 9 in a threaded manner, the other end of the inside of the connecting block 2 is provided with a second nylon core 10 in a threaded manner, one end of the second nylon core 10 is provided with a second pressing sleeve 11, rubber sealing elements 8 are respectively arranged inside the first pressing sleeve 7 and the second pressing sleeve 11, the rubber sealing elements 8 can extrude and seal the joints of the first cable 13 and the second cable 14 and the first pressing sleeve 7 and the second pressing sleeve 11, the outside of the second nylon core 10 is provided with a second pressing cap 12, and the second pressing cap 12 is in threaded connection with the second nylon core 10, both ends of copper sheathing 4 all pass through copper line inserting groove 5 respectively with first cable 13 and second cable 14 fixed connection, and the one end of first cable 13 and second cable 14 extends to the outside that first cap 9 and second compress tightly cap 12 respectively.

Further, the first pressing cap 9 and the second pressing cap 12 are both provided with rubber rings 15, and the first pressing cap 9 and the second pressing cap 12 extrude the rubber rings 15 when being locked, so that a sealing effect is achieved.

Further, a high-temperature sleeve 16 is arranged on the outer wall of the first cold-shrinkable tube 1, and the high-temperature sleeve 16 has high-temperature resistance, heat insulation performance, flame retardant performance, electrical insulation performance, chemical stability performance, weather aging resistance performance, cold resistance, water resistance, oil resistance, ozone resistance, voltage resistance, electric arc resistance and corona resistance performance, so that the joint of the first cable 13 and the second cable 14 has higher safety performance.

Further, the outer wall of the high-temperature sleeve 16 is provided with a copper mesh 17, and the copper mesh 17 can protect the high-temperature sleeve 16 inside, so that danger caused by damage of external force is avoided.

Further, a second cold shrink tube 18 is arranged on the outer wall of the copper mesh 17, and the copper mesh 17 can be fixed on the outer wall of the high-temperature sleeve 16 by resilience of the second cold shrink tube 18 at normal temperature.

Further, be provided with constant force spring 19 on the outer wall of second cold shrink 18, and constant force spring 19 is provided with two, and constant force spring 19 can be better compress tightly the both ends of second cold shrink 18 to through the dual protection of second cold shrink 18 and constant force spring 19, reach better water-proof effects.

The working principle is as follows: when in use, firstly, the copper sleeve 4 is arranged inside the connector 3, then the connecting block 2 and the connector 3 are locked through threads, then the first pressing cap 9 and the first nylon core 6 are sleeved on the outer wall of the first cable 13, then the copper wire inside the first cable 13 is inserted inside the copper wire insertion groove 5, then the first nylon core 6 is locked with the connector 3 through threads, then the first pressing cap 9 is locked with the first nylon core 6 through threads so as to fix the position of the first cable 13 through the extrusion of the first pressing cap 7 and the rubber sealing element 8, then the first cold shrink tube 1, the second cold shrink tube 18, the second pressing cap 12 and the second nylon core 10 are respectively sleeved on the outer wall of the second cable 14, then the copper wire inside the second cable 14 is inserted into the copper wire insertion groove 5 through the inside the connecting block 2, and then the second nylon core 10 is locked with the connecting block 2 through threads, the second compression cap 12 is locked with the second nylon core 10 through threads, so that the second cable 14 is fixed and sealed, the first cold shrinkage pipe 1 on the outer wall of the second cable 14 is sleeved between the first cable 13 and the second cable 14, the support inside the first cold shrinkage pipe 1 is taken out, the joint of the first cable 13 and the second cable 14 is protected by the elastic retraction force of the first cold shrinkage pipe 1, the high-temperature sleeve 16 is wound on the outer wall of the first cold shrinkage pipe 1, the copper mesh 17 is wound on the outer wall of the high-temperature sleeve 16, the second cold shrinkage pipe 18 is sleeved on the outer wall of the copper mesh 17, and the two ends of the second cold shrinkage pipe 18 are wound with the constant force springs 19 to achieve the sealing effect.

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. A soft joint of a crosslinked polyethylene cable comprises a first cold shrink tube (1), and is characterized in that: the connecting block (2) is arranged inside the first cold shrinkage pipe (1), the connector (3) is arranged on one side of the connecting block (2), one end of the connector (3) is in threaded connection with the connecting block (2), the copper sleeve (4) is arranged on one side inside the connector (3), the copper wire inserting grooves (5) are arranged inside the copper sleeve (4), ten copper wire inserting grooves (5) are arranged, the first nylon core (6) is arranged on one side of the connector (3), the first nylon core (6) is in threaded connection with the other end of the connector (3), the first compression sleeve (7) is arranged at one end of the first nylon core (6), the first compression cap (9) is arranged on the outer wall of the first nylon core (6) in a threaded manner, the second nylon core (10) is arranged on the other end of the connecting block (2), and the second compression sleeve (11) is arranged at one end of the second nylon core (10), the inside of first pressing sleeve (7) and second pressing sleeve (11) all is provided with rubber seal (8), the outside of second nylon core (10) is provided with the second and presses down cap (12), and second presses down cap (12) and second nylon core (10) threaded connection, the both ends of copper sheathing (4) all through copper line inserting groove (5) respectively with first cable (13) and second cable (14) fixed connection, and the one end of first cable (13) and second cable (14) extends to the outside that first cap (9) and second pressed down cap (12) respectively.

2. A flexible joint of crosslinked polyethylene cable according to claim 1, characterized in that: and rubber rings (15) are arranged on the first pressing cap (9) and the second pressing cap (12).

3. A flexible joint of crosslinked polyethylene cable according to claim 1, characterized in that: and a high-temperature sleeve (16) is arranged on the outer wall of the first cold shrinkage pipe (1).

4. A flexible joint of crosslinked polyethylene cable according to claim 3, characterized in that: and a copper mesh (17) is arranged on the outer wall of the high-temperature sleeve (16).

5. The flexible joint of crosslinked polyethylene cable according to claim 4, wherein: and a second cold shrink tube (18) is arranged on the outer wall of the copper mesh (17).

6. The flexible joint of crosslinked polyethylene cables according to claim 5, wherein: the outer wall of the second cold shrinkage pipe (18) is provided with two constant force springs (19).