CN217115596U

CN217115596U - Cable intermediate head sealing device

Info

Publication number: CN217115596U
Application number: CN202220550583.5U
Authority: CN
Inventors: 程军; 程才千
Original assignee: Shanghai Benchen Science And Trade Co ltd
Current assignee: Shanghai Benchen Science And Trade Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-08-02
Anticipated expiration: 2032-03-14

Abstract

The utility model discloses a sealing device for a cable intermediate joint, in particular to the technical field of cable accessories, the sealing mode of the prior cable intermediate joint is end wrapping, when the intermediate joint needs to be maintained, the entanglement of the end needs to be removed, the maintenance is inconvenient, the prior sealing device has poor sealing effect when in use, and comprises a joint body and a cable, the cable is arranged inside the joint body, the outer surface of the joint body is detachably provided with a connecting component, one side of the connecting component is fixedly provided with a sealing component, the utility model discloses a first connecting block and a second connecting block are arranged at two sides of the joint body by pressing a fixed block into a circular groove, the circular block is inserted into the circular hole to enter the circular cylinder, the fixed block is clamped with the circular hole by the force of a spring, the first connecting block and the second connecting block are connected at the outer side of the joint body, the disassembly and maintenance are convenient.

Description

Cable intermediate head sealing device

Technical Field

The utility model relates to a cable accessories technical field specifically is a cable intermediate head sealing device.

Background

With the rapid development of power cable line construction, the cable intermediate joint is widely applied as a cable intermediate joint for realizing power cable connection. Due to the special application scene of the cable intermediate joint, the cable intermediate joint is required to have good sealing performance so as to ensure the safety of the cable. If the cable is flooded or affected by moisture, the internal structure of the cable is affected electrically, so that the insulation ages more rapidly and breaks down at weak points, causing failure.

The existing joints have some problems in use:

1. the sealing mode of the existing cable intermediate joint is end wrapping, and when the intermediate joint needs to be maintained, a winding object at the end needs to be removed, so that the maintenance is inconvenient;

2. the existing sealing device has poor sealing effect when in use, and therefore a cable intermediate joint sealing device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable intermediate head sealing device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a cable middle joint sealing device comprises a joint body and a cable, wherein the cable is arranged inside the joint body, a connecting component is detachably arranged on the outer side surface of the joint body, and a sealing component is fixedly arranged on one side of the connecting component;

coupling assembling includes first connecting block and second connecting block, first connecting block, second connecting block and the laminating of joint body activity, one side that first connecting block is close to the second connecting block is fixed and is equipped with the circular block, the circular slot has been seted up on the outside surface of circular block, the internal surface fixation of circular slot is equipped with the spring, the fixed block that is equipped with in upper end of spring, the second connecting block is close to one side of fixed block and has seted up the spread groove, the outside surface fixation of second connecting block is equipped with the drum, the fixed block laminates with the internal surface sliding of spread groove, drum, the round hole has been seted up on the outside surface of drum, the fixed block is mobile to be inserted and is established in the round hole.

As a preferred technical scheme of the utility model, seal assembly includes first semicircle board and second semicircle board, first semicircle board fixed connection is in one side of first connecting block, second semicircle board fixed connection is in one side of second connecting block, first semicircle board and the laminating of second semicircle board activity, first semicircle board, second semicircle board and the laminating of cable activity, the annular has all been seted up to the inside of first semicircle board and second semicircle board, the fixed gasbag that is equipped with in inside of annular, the outside fixed surface of gasbag is equipped with the connecting pipe, the first semicircle board and the second semicircle board of running through of connecting pipe, the one end that the gasbag was kept away from to the connecting pipe is connected with sealing cap, the outside surface of first semicircle board and second semicircle board all is equipped with the rectangle shell, the connecting pipe sets up the inside at the rectangle shell.

As a preferred technical scheme of the utility model, the internal surface of first connecting block and second connecting block all is equipped with supplementary bonding sticky tape.

As a preferred technical scheme of the utility model, the spout has been seted up to the inner wall of circular slot, it is equipped with the slider to slide in the spout, slider and fixed block fixed connection.

As an optimized technical solution of the present invention, four circular grooves are provided, and the circular groove annular array is distributed on the outer surface of the circular block.

As an optimal technical scheme of the utility model, sealed cap adopts internal thread and external screw thread fit with the connecting pipe to be connected.

As an optimized technical scheme of the utility model, the last rotation of rectangle shell is connected with the apron.

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

1. the utility model discloses a press the fixed block into the circular slot, place first connecting block and second connecting block in the both sides of connecting the body, through inserting the circular block into the round hole and entering into the drum, through the power of spring, make fixed block and round hole joint, connect first connecting block and second connecting block in the outside of connecting the body, conveniently dismantle the maintenance;

2. the utility model discloses when first connecting block is connected with the second connecting block, the gasbag in the first semicircle board enters into the second semicircle inboard, and the interior gasbag of second semicircle board enters into first semicircle board in, through opening the apron, rotates sealed cap, inflates the connecting pipe with the help of the instrument, and in gas entered into the gasbag, make its inflation laminate with the cable mutually to fill the gap that exists between joint body and the cable, promote its leakproofness.

Drawings

FIG. 1 is a schematic structural view of the present invention,

figure 2 is a schematic view of the structure of the connecting component of the present invention,

figure 3 is an enlarged schematic view of the structure at a in figure 2 according to the present invention,

fig. 4 is a schematic structural view of the sealing assembly of the present invention.

In the figure: 1. a connector body; 2. a cable; 3. a connecting assembly; 31. a first connection block; 32. a second connecting block; 33. a circular block; 34. a circular groove; 341. a chute; 342. a slider; 35. a spring; 36. a fixed block; 37. a cylinder; 371. a circular hole; 38. connecting grooves; 4. a seal assembly; 41. a first semi-circular plate; 42. a second semicircular plate; 43. a ring groove; 44. an air bag; 45. a connecting pipe; 46. a sealing cap; 47. a rectangular shell; 471. a cover plate; 5. auxiliary adhesive tape.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in fig. 1-4, the utility model provides a cable middle joint sealing device, which comprises a joint body 1 and a cable 2, wherein the cable 2 is arranged inside the joint body 1, a connecting component 3 is detachably arranged on the outer side surface of the joint body 1, and a sealing component 4 is fixedly arranged on one side of the connecting component 3;

coupling assembling 3 includes first connecting block 31 and second connecting block 32, first connecting block 31, second connecting block 32 and the activity laminating of joint body 1, the internal surface of first connecting block 31 and second connecting block 32 all is equipped with supplementary adhesive tape 5, supplementary bonding when connecting, first connecting block 31 is close to the fixed circular piece 33 that is equipped with in one side of second connecting block 32, circular groove 34 has been seted up on the outside surface of circular piece 33, circular groove 34 has been seted up four, and circular groove 34 annular array distributes on the outside surface of circular piece 33, the internal surface mounting of circular groove 34 is equipped with spring 35, the fixed block 36 that is equipped with in upper end of spring 35, spout 341 has been seted up to the inner wall of circular groove 34, slide 342 that is equipped with in the spout 341, slide 342 and fixed block 36 fixed connection, can carry on spacingly through spout 341 cooperation slider 342, connecting groove 38 has been seted up to one side that second connecting block 32 is close to fixed block 36, the outside fixed surface of second connecting block 32 is equipped with drum 37, fixed block 36 and the interior surface sliding fit of connecting groove 38, drum 37, round hole 371 has been seted up on the outside surface of drum 37, fixed block 36 can movably be inserted and establish in round hole 371, and the accessible is pressed into round groove 34 with fixed block 36 in, places first connecting block 31 and second connecting block 32 in the both sides that connect body 1, enters into drum 37 through inserting round hole 371 with round block 33, through the power of spring 35, makes fixed block 36 and round hole 371 looks joint, connects first connecting block 31 and second connecting block 32 in the outside that connects body 1, conveniently dismantles the maintenance.

Further, the sealing assembly 4 comprises a first semicircular plate 41 and a second semicircular plate 42, the first semicircular plate 41 is fixedly connected to one side of the first connecting block 31, the second semicircular plate 42 is fixedly connected to one side of the second connecting block 32, the first semicircular plate 41 is movably attached to the second semicircular plate 42, the first semicircular plate 41 and the second semicircular plate 42 are movably attached to the cable 2, the first semicircular plate 41 and the second semicircular plate 42 are both provided with a ring groove 43, the ring groove 43 is fixedly arranged inside the first semicircular plate 41 and the second semicircular plate 42, the air bag 44 is fixedly arranged inside the ring groove 43, the connecting pipe 45 is fixedly provided with a connecting pipe 45 on the outer side surface, the first semicircular plate 41 and the second semicircular plate 42 run through the connecting pipe 45, one end of the connecting pipe 45 far away from the air bag 44 is connected with a sealing cap 46, the sealing cap 46 and the connecting pipe 45 are connected by matching of internal threads and external threads, the outer side surfaces of the first semicircular plate 41 and the second semicircular plate 42 are both provided with a rectangular shell 47, the connection pipe 45 is disposed inside the rectangular housing 47, and a cover plate 471 is rotatably connected to the upper side of the rectangular housing 47 to control the opening and closing of the rectangular housing 47.

The working principle is as follows: when the utility model is used, the fixing block 36 can be pressed into the circular groove 34, the first connecting block 31 and the second connecting block 32 are arranged at two sides of the joint body 1, the circular block 33 is inserted into the circular hole 371 and enters the cylinder 37, the fixing block 36 is clamped with the circular hole 371 through the force of the spring 35, the first connecting block 31 and the second connecting block 32 are connected at the outer side of the joint body 1, the disassembly and maintenance are convenient, when the first connecting block 31 is connected with the second connecting block 32, the air bag 44 in the first semicircular plate 41 enters the second semicircular plate 42, the inner air bag 44 in the second semicircular plate 42 enters the first semicircular plate 41, the sealing cap 46 is rotated through opening the cover plate 471, the connecting pipe 45 is inflated by means of tools, the air enters the air bag 44, the air bag is expanded to be attached to the cable 2, thereby filling the gap between the joint body 1 and the cable 2, the sealing performance is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A cable intermediate head sealing device, includes joint body (1) and cable (2), its characterized in that: the cable (2) is arranged inside the joint body (1), the outer side surface of the joint body (1) is detachably provided with a connecting component (3), and one side of the connecting component (3) is fixedly provided with a sealing component (4);

the connecting assembly (3) comprises a first connecting block (31) and a second connecting block (32), the first connecting block (31), the second connecting block (32) and the joint body (1) are movably attached, one side, close to the second connecting block (32), of the first connecting block (31) is fixedly provided with a round block (33), the outer side surface of the round block (33) is provided with a round groove (34), the inner surface of the round groove (34) is fixedly provided with a spring (35), the upper end of the spring (35) is fixedly provided with a fixed block (36), one side, close to the fixed block (36), of the second connecting block (32) is provided with a connecting groove (38), the outer side surface of the second connecting block (32) is fixedly provided with a cylinder (37), the fixed block (36) is slidably attached to the inner surfaces of the connecting groove (38) and the cylinder (37), and the outer side surface of the cylinder (37) is provided with a round hole (371), the fixed block (36) can be movably inserted into the round hole (371).

2. A cable intermediate joint seal assembly according to claim 1, wherein: the sealing assembly (4) comprises a first semicircular plate (41) and a second semicircular plate (42), the first semicircular plate (41) is fixedly connected to one side of the first connecting block (31), the second semicircular plate (42) is fixedly connected to one side of the second connecting block (32), the first semicircular plate (41) is movably attached to the second semicircular plate (42), the first semicircular plate (41) and the second semicircular plate (42) are movably attached to each other, an annular groove (43) is formed in the first semicircular plate (41) and the second semicircular plate (42), an air bag (44) is fixedly arranged in the annular groove (43), a connecting pipe (45) is fixedly arranged on the outer side surface of the air bag (44), the first semicircular plate (41) and the second semicircular plate (42) penetrate through the connecting pipe (45), one end, far away from the air bag (44), of the connecting pipe (45) is connected with a sealing cap (46), the outer side surfaces of the first semicircular plate (41) and the second semicircular plate (42) are both provided with rectangular shells (47), and the connecting pipe (45) is arranged inside the rectangular shells (47).

3. A cable intermediate joint seal assembly according to claim 1, wherein: and auxiliary adhesive tapes (5) are arranged on the inner surfaces of the first connecting block (31) and the second connecting block (32).

4. A cable intermediate joint seal assembly according to claim 1, wherein: the inner wall of the circular groove (34) is provided with a sliding groove (341), a sliding block (342) is arranged in the sliding groove (341) in a sliding mode, and the sliding block (342) is fixedly connected with the fixed block (36).

5. A cable intermediate joint seal assembly according to claim 1, wherein: four circular grooves (34) are formed in the circular block, and the circular grooves (34) are distributed on the outer side surface of the circular block (33) in an annular array mode.

6. A cable intermediate joint seal assembly according to claim 2, wherein: the sealing cap (46) and the connecting pipe (45) are connected in a matching mode through internal threads and external threads.

7. A cable intermediate joint seal assembly according to claim 2, wherein: the upper part of the rectangular shell (47) is rotatably connected with a cover plate (471).