CN214543584U

CN214543584U - Explosion-proof cable joint

Info

Publication number: CN214543584U
Application number: CN202120785072.7U
Authority: CN
Inventors: 郑祥吉
Original assignee: Yueqing Jixiang Connector Co ltd
Current assignee: Yueqing Jixiang Connector Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-10-29
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses an explosion-proof cable joint, including first mounting, first mounting cavity sets up, the axial lateral wall of first mounting is fixed with first chuck, the axial lateral wall cover of first mounting is equipped with the sealing washer, the axial lateral wall screw thread of first mounting rotates and is connected with the latch segment, the inner wall of first mounting is fixed with the limiting plate, the axial lateral wall screw thread of first mounting rotates and is connected with the second mounting, the lateral wall of second mounting runs through and has seted up logical groove. In the device, by arranging the locking ring, the propelling ring and the guide block, the diameter of the front section of the locking ring can be reduced under the action of the guide block in the connection process of the second fixing piece and the first fixing piece, so that the limiting fixation of a cable can be realized by utilizing the locking ring, the first fixing piece and the second fixing piece can limit the locking ring, the stable connection of a cable joint can be ensured, and the explosion-proof effect can be effectively played.

Description

Explosion-proof cable joint

Technical Field

The utility model relates to a cable joint technical field especially relates to explosion-proof cable joint.

Background

The continuous development of the cable industry, high-voltage and ultrahigh-voltage cables are widely applied to power systems, after the cables are laid, in order to enable the cables to become a continuous line, all sections of the wires must be connected into a whole, the connection points are called as cable joints, and the cable joints are used for locking and fixing incoming and outgoing wires and play roles in water resistance, dust resistance and vibration resistance;

when current cable conductor lasts the use, can make the high temperature of cable conductor joint department, and the high temperature can make the cable conductor epidermis receive the damage to can appear the problem that cable joint is punctured, and then can cause great influence to the safe handling of cable conductor, therefore we need design a section take heat abstractor's explosion-proof cable joint.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the temperature is too high when the cable is continuously used in the prior art, causing the defect of influence to the use of the cable, and the proposed explosion-proof cable joint.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

explosion-proof cable joint, including first mounting, first mounting cavity sets up, the axial lateral wall of first mounting is fixed with first chuck, the axial lateral wall cover of first mounting is equipped with the sealing washer, the axial lateral wall screw thread of first mounting rotates and is connected with the latch segment, the inner wall of first mounting is fixed with the limiting plate, the axial lateral wall screw thread of first mounting rotates and is connected with the second mounting, the lateral wall of second mounting runs through and has seted up logical groove, first fixed and the inside locking device that is provided with jointly of second mounting, the inside of second mounting is provided with cooling device.

Preferably, the locking device comprises a locking ring abutting against the inner wall of the first fixing piece, the locking ring abuts against the limiting plate, and the inner wall of the second fixing piece abuts against a propelling ring.

Preferably, a conical guide block is fixed on the inner wall of the propelling ring, and the guide block corresponds to the locking ring.

Preferably, the cooling device comprises a storage cavity arranged on the side wall of the second fixing part, the storage cavity is an annular cavity, and the inside of the storage cavity is filled with an evaporation liquid.

Preferably, a plurality of heat transfer blocks are inserted into the side wall of the storage cavity, the heat transfer blocks are communicated with the inner wall of the through groove, and a plurality of conduction pipes are inserted into the axial side wall of the second fixing piece.

Preferably, a plurality of conduction pipes are inserted into the storage cavity, one-way valves are arranged at two ends of each conduction pipe, and the conduction states of the two one-way valves are opposite.

Compared with the prior art, the utility model has the advantages of:

1. according to the device, by arranging the locking ring, the propelling ring and the guide block, the diameter of the front section of the locking ring can be reduced under the action of the guide block in the process of connecting the second fixing piece and the first fixing piece, so that the cable can be limited and fixed by using the locking ring, the first fixing piece and the second fixing piece can limit the locking ring, the stable connection at the cable joint can be further ensured, and the explosion-proof effect can be effectively achieved;

2. in this device, through setting up the heat transfer piece, can absorb the heat of cable conductor switch-on department, make the evaporating liquid of storing intracavity portion be heated the evaporation, and evaporating liquid after the evaporation can be at the conduction tube inside flow, can make the inside heat transfer of evaporating liquid to the air through the conduction tube, thereby can make evaporating liquid self temperature reduce, realize the reliquefaction, and then make evaporating liquid can used repeatedly, can continuously realize the heat dissipation work to the cable conductor, can guarantee the operational environment of cable conductor, and then can increase the life of cable conductor.

Drawings

Fig. 1 is a schematic structural view of an explosion-proof cable joint according to the present invention;

fig. 2 is a cross-sectional view of an explosion-proof cable joint according to the present invention;

fig. 3 is an internal structural schematic diagram of the second fixing member in the explosion-proof cable joint according to the present invention.

In the figure: the heat transfer device comprises a first fixing piece 1, a first chuck 2, a sealing ring 3, a locking block 4, a limiting plate 5, a second fixing piece 6, a through groove 7, a locking ring 8, a pushing ring 9, a guide block 10, a storage cavity 11, a heat transfer block 12, a conduction pipe 13 and a second chuck 14.

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 explosion-proof cable joint comprises a first fixing part 1, the first fixing part 1 is arranged in a hollow mode, a first chuck 2 is fixed on the axial side wall of the first fixing part 1, a sealing ring 3 is sleeved on the axial side wall of the first fixing part 1, a locking block 4 is connected to the axial side wall of the first fixing part 1 in a threaded rotation mode, a limiting plate 5 is fixed on the inner wall of the first fixing part 1, a second fixing part 6 is connected to the axial side wall of the first fixing part 1 in a threaded rotation mode, a through groove 7 is formed in the side wall of the second fixing part 6 in a penetrating mode, locking devices are jointly arranged inside the first fixing part 1 and the second fixing part 6, and a cooling device is arranged inside the second fixing part 6.

The locking device comprises a locking ring 8 which is abutted against the inner wall of the first fixing piece 1, the locking ring 8 is abutted against the limiting plate 5, and the inner wall of the second fixing piece 6 is abutted against a propelling ring 9; the inner wall of the propelling ring 9 is fixed with a conical guide block 10, the guide block 10 corresponds to the locking ring 8, the propelling ring 9 can be moved towards the locking ring 8 through the connection of the second fixing piece 6 and the first fixing piece 1, the locking ring 8 and the cable wire are locked by the conical guide block 10, and the cable wire can be locked in the connection and penetration of the first fixing piece 1 and the second fixing piece 6.

The cooling device comprises a storage cavity 11 arranged on the side wall of the second fixing piece 6, the storage cavity 11 is an annular cavity, and evaporation liquid is filled in the storage cavity 11; a plurality of heat transfer blocks 12 are inserted into the side wall of the storage cavity 11, the heat transfer blocks 12 are communicated with the inner wall of the through groove 7, and a plurality of conduction pipes 13 are inserted into the axial side wall of the second fixing piece 6; inside a plurality of conduction pipes 13 all inserted and establish to storing chamber 11, the both ends of every conduction pipe 13 all were provided with the check valve, and two check valve's conduction state is opposite, and the evaporating liquid is ether, and evaporating temperature is 34.6 ℃, utilizes the principle of the heat absorption evaporation of evaporating liquid, can absorb the temperature of cable joint department, effectively avoids cable joint department to appear the situation of lasting high temperature, can play the guard action to cable joint.

In the utility model, in the process of installing the cable connector, firstly, the cable needs to pass through the second fixing member 6, the propelling ring 9, the locking ring 8 and the first fixing member 1 in sequence, the propelling ring 9 is abutted against the inner wall of the second fixing member 6, the locking ring 8 is abutted against the limiting plate 5 inside the first fixing member 1, then the position of the propelling ring 9 and the locking ring 8 is aligned, the propelling ring 9 is pushed to be sleeved on the locking ring 8, then the second fixing member 6 is rotated around the first fixing member 1 by aligning the inner wall of the second fixing member 6 and the circumferential side wall of the first fixing member 1, so that the second fixing member 6 is connected with the first fixing member 1, in the process of connecting the second fixing member 6 with the first fixing member 1, the propelling ring 9 is driven to move, when the guide block 10 arranged inside the propelling ring 9 reaches the position of the locking ring 8, then the second chuck 14 needs to be clamped by a wrench, the second chuck 14 drives the second fixing piece 6 to move, the pushing ring 9 can continue to move, the locking ring 8 can enter the guide block 10, the diameter of the front section of the locking ring 8 is reduced, the cable in the locking ring 8 can be fastened, at the moment, the second fixing piece 6 can be tightly abutted against the limiting plate 5, the cable can be fastened in the process of connecting the first fixing piece 1 and the second fixing piece 6, the stable use of the cable can be guaranteed, and the cable can be fastened through the locking ring 8 to play a role in preventing explosion of the cable;

and in the cable conductor use, the cable conductor can make joint department high temperature after long-time operation, and the evaporation liquid of storing 11 inside settings of chamber this moment can be through the heat on every side of heat transfer block 12 absorption cable conductor, realize the cooling to the cable conductor, and also can make self evaporation simultaneously, and gas after the evaporation can flow along conduction pipe 13, realize with the external contact through conduction pipe 13, realize the heat transmission to in the steam, realize the cooling of evaporation liquid self, thereby make steam cooling reliquefaction, it stores 11 insidely to get into from the other end conduction pipe 13, can realize the reuse of evaporation liquid, can continuously cool down the cable conductor, and then can guarantee the service environment of cable conductor, make the cable conductor use safer.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Explosion-proof cable joint, including first mounting (1), its characterized in that, first mounting (1) cavity sets up, the axial lateral wall of first mounting (1) is fixed with first chuck (2), the axial lateral wall cover of first mounting (1) is equipped with sealing washer (3), the axial lateral wall screw thread of first mounting (1) rotates and is connected with latch segment (4), the inner wall of first mounting (1) is fixed with limiting plate (5), the axial lateral wall screw thread of first mounting (1) rotates and is connected with second mounting (6), the lateral wall of second mounting (6) runs through and has seted up logical groove (7), first mounting (1) and second mounting (6) inside are provided with locking device jointly, the inside of second mounting (6) is provided with cooling device.

2. Explosion-proof cable joint according to claim 1, characterized in that the locking means comprise a locking ring (8) which abuts against the inner wall of the first fixing element (1), the locking ring (8) abutting against the limiting plate (5), the inner wall of the second fixing element (6) abutting against a thrust ring (9).

3. Explosion-proof cable joint according to claim 2, characterized in that a conical guide block (10) is fixed to the inner wall of the push ring (9), the guide block (10) corresponding to the locking ring (8).

4. Explosion-proof cable joint according to claim 1, characterized in that the cooling device comprises a storage chamber (11) opening in the side wall of the second fixing part (6), the storage chamber (11) being an annular chamber, the interior of the storage chamber (11) being filled with an evaporative liquid.

5. Explosion-proof cable joint according to claim 4, characterized in that the side wall of the storage chamber (11) is inserted with a plurality of heat transfer blocks (12), the heat transfer blocks (12) communicating with the inner wall of the through slot (7), the axial side wall of the second fixing member (6) being inserted with a plurality of conduits (13).

6. Explosion-proof cable joint according to claim 5, wherein a plurality of said conducting pipes (13) are inserted inside the storage chamber (11), and both ends of each said conducting pipe (13) are provided with one-way valves, and the conducting states of two said one-way valves are opposite.