CN219498916U

CN219498916U - Cold shrink intermediate joint for three-core cable

Info

Publication number: CN219498916U
Application number: CN202320273020.0U
Authority: CN
Inventors: 邹云安; 朱清富; 郑元广
Original assignee: Anhuang Power Technology Co ltd
Current assignee: Anhuang Power Technology Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-08-08
Anticipated expiration: 2033-02-21

Abstract

The utility model discloses a three-core cable cold-shrink intermediate joint which comprises a connecting pipe, wherein the inner wall of the connecting pipe is clamped with a supporting frame, the inner wall of the long arm end of the supporting frame is connected with a sliding block in a sliding manner, the surface of the sliding block is welded with a measuring plate, one end of the measuring plate, which is far away from the sliding block, is fixedly connected with a connecting frame, the inner wall of the connecting frame is rotationally connected with a first screw rod and a second screw rod, one ends of the first screw rod and the second screw rod, which are close to each other, are welded, and the surfaces of the first screw rod and the second screw rod are respectively connected with a pushing plate in a threaded manner.

Description

Cold shrink intermediate joint for three-core cable

Technical Field

The utility model relates to a cold-shrink intermediate joint, in particular to a cold-shrink intermediate joint of a three-core cable.

Background

The cable is made up of one or more mutually insulated conductors and an outer insulating protective layer, the wires are used for transmitting electric power or information from one place to another place, and the three-core cable is formed from three groups of wires which are insulated independently, each group of wires has an independent insulating layer, and the groups are mutually insulated.

The three-core cable cold shrink intermediate joint refers to a connecting component which is formed by stripping the outer layers of two three-core cables to expose the wire cores inside when the two three-core cables are connected together, inserting the corresponding two wire cores into a connecting pipe, and then crimping by using a hexagonal surrounding press die so as to connect the two three-core cables together, wherein the existing cold shrink intermediate joint has some problems when being specifically used:

1. when two corresponding wire cores are respectively inserted into the connecting pipe from two ends of the connecting pipe, the inner part of the connecting pipe cannot be seen, so that when the wire cores are inserted, the contact part of the two wire cores is difficult to be ensured to be kept in the middle of the connecting pipe, and the connection quality of the cable is further affected.

2. When two wire cores are inserted into the connecting pipe, the exposed wire cores are required to be polished, the oxide layers on the surfaces of the wire cores are polished, but the polishing and the installation are separated to be operated easily, forgetting is caused, and more time is required to be consumed for the separation operation.

Disclosure of Invention

The utility model aims to provide a cold-shrink intermediate joint for a three-core cable, which solves the problem that the connecting quality of the cable is affected by the fact that the contact part of two wire cores is difficult to be kept in the middle of a connecting pipe when the wire cores are inserted in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a three-core cable shrinkage intermediate head, includes the connecting pipe, the inner wall joint of connecting pipe has the support frame, the inner wall sliding connection of the long arm end of support frame has the slider, the surface welding of slider has the measuring board, the one end fixedly connected with link that the slider was kept away from to the measuring board, the inner wall rotation of link is connected with first screw rod and second screw rod, the one end that first screw rod and second screw rod are close to each other welds mutually, the equal threaded connection in surface of first screw rod and second screw rod has the pushing plate, two the one end that the pushing plate kept away from the support frame all fixedly connected with splint;

the surface welding of support frame short arm end has the stock, the one end sliding connection that the support frame was kept away from to the stock has the ring, the surface welding of ring has a plurality of backup pads, and is a plurality of the backup pad is close to the equal fixedly connected with spring of one side of connecting pipe, and is a plurality of the one end that the backup pad was kept away from to the spring all welds the stock, and is a plurality of the one end that the spring was kept away from to the stock all welds the promotion frame, the fixed surface of promotion frame is connected with the rubber cushion, the one side fixedly connected with abrasive paper that the promotion frame was kept away from to the rubber cushion.

As a preferable technical scheme of the utility model, the screw thread directions of the first screw rod and the second screw rod are opposite, and the surface of the supporting frame is fixedly connected with a supporting block.

As a preferable technical scheme of the utility model, a limit frame is inserted into the inner wall of the supporting block, and a handle is arranged at one end of the second screw far away from the first screw.

As a preferable technical scheme of the utility model, the surface of the connecting frame is fixedly connected with two limiting rods, and the two limiting rods are respectively spliced with the inner walls of the two pushing plates.

As a preferable technical scheme of the utility model, the inner walls of the supporting plates are respectively inserted with supporting rods, and one ends of the supporting rods, which are close to the connecting pipes, are fixedly connected with the surfaces of the long plates respectively.

As a preferable technical scheme of the utility model, the inner walls of the supporting plates are respectively inserted with bolts, and the bolts are respectively inserted with the inner walls of the supporting plates.

As a preferable mode of the utility model, the cross-section shape of the plurality of supporting rods is rectangular, and the plurality of sand paper are all positioned inside the connecting pipe.

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

1. according to the utility model, the clamping plates, the measuring plate and the limiting frame are arranged, and the wire core is clamped through the two clamping plates, so that when the wire core is inserted into the connecting pipe, one end of the wire core can be positioned in the middle of the connecting pipe through the support of the measuring plate, and the position of the wire core can be limited when the sliding block is prevented from being separated from the supporting frame through the limiting frame.

2. According to the utility model, the sand paper, the spring and the rubber cushion are arranged, so that the sand paper can be pushed to be attached to the surface of the wire core through the spring, the sand paper can be driven to polish the wire core through rotating the circular ring, and the surface of the wire core is uneven, so that the sand paper can be attached to the surface of the wire core through the rubber cushion, and the polishing effect is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a support frame portion according to the present utility model;

FIG. 3 is a schematic view of the ring portion of the present utility model;

FIG. 4 is an enlarged view of the utility model at A in FIG. 3;

fig. 5 is a schematic view of the structure of the pushing frame portion of the present utility model.

In the figure: 1. a connecting pipe; 201. a support frame; 202. a slide block; 203. a pushing plate; 204. a measuring plate; 205. a first screw; 206. a second screw; 207. a limit rod; 208. a limiting frame; 209. a support block; 210. a clamping plate; 211. a connecting frame; 301. a long rod; 302. a circular ring; 303. a long plate; 304. a pushing frame; 305. a support rod; 306. a support plate; 307. a spring; 308. a plug pin; 309. a rubber cushion; 310. and (3) sand paper.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution for a cold-shrink intermediate joint of a three-core cable:

embodiment one:

according to the embodiment shown in fig. 1 and fig. 2, a cold shrink intermediate joint of a three-core cable comprises a connecting pipe 1, a supporting frame 201 is clamped on the inner wall of the connecting pipe 1, a sliding block 202 is slidably connected on the inner wall of the long arm end of the supporting frame 201, a measuring plate 204 is welded on the surface of the sliding block 202, a connecting frame 211 is fixedly connected on one end of the measuring plate 204 far away from the sliding block 202, a first screw rod 205 and a second screw rod 206 are rotatably connected on the inner wall of the connecting frame 211, one ends of the first screw rod 205 and the second screw rod 206 close to each other are welded, pushing plates 203 are connected on the surfaces of the first screw rod 205 and the second screw rod 206 in a threaded manner, clamping plates 210 are fixedly connected on one ends of the two pushing plates 203 far away from the supporting frame 201, limit blocks 208 are inserted on the inner walls of the supporting blocks 209, handles are mounted on one end of the second screw rod 206 far away from the first screw rod 205, two limit rods 207 are fixedly connected on the surface of the connecting frame 211, and the two limit rods 207 are respectively inserted on the inner walls of the two pushing plates 203.

When the three-core cable cold-shrink intermediate joint is used, when a cable needs to be connected, the sliding block 202 can be firstly used for driving the measuring plate 204 to move towards one end of the connecting pipe 1 until the sliding block 202 is in contact with the surface of the limiting frame 208, then one end of one wire core is abutted against the surface of the limiting frame 208, the first screw 205 and the second screw 206 are driven to rotate through the handle, and as the screw directions of the first screw 205 and the second screw 206 are opposite, the two clamping plates 210 can be driven to move towards each other through the first screw 205 and the second screw 206, the wire core is clamped, the limiting frame 208 is pulled out from the front of the wire core, at the moment, the wire core is inserted into the connecting pipe 1, the sliding block 202 is driven to move towards the middle of the connecting pipe 1 until the sliding block 202 is moved to the end of the inner wall of the supporting frame 201, at the moment, one end of the wire core is located in the middle of the connecting pipe 1, when the other wire core is inserted into the connecting pipe 1, the other wire core is enabled to be located in the middle, the supporting frame 201 is pulled out of the connecting pipe 1, the connecting pipe is only left 1, the wire core is enabled to be pressed out, and the wire core is enabled to be fixed, and the wire core surrounding position is reduced.

Embodiment two:

on the basis of the first embodiment, as shown in fig. 3, fig. 4 and fig. 5, a long rod 301 is welded on the surface of the short arm end of the supporting frame 201, one end of the long rod 301, which is far away from the supporting frame 201, is slidably connected with a circular ring 302, a plurality of supporting plates 306 are welded on the surface of the circular ring 302, springs 307 are fixedly connected with one surfaces of the plurality of supporting plates 306, which are close to the connecting pipe 1, long plates 303 are welded on one ends of the plurality of springs 307, which are far away from the supporting plates 306, a pushing frame 304 is welded on one ends of the plurality of long plates 303, a rubber cushion 309 is fixedly connected with sand paper 310 on one surfaces of the rubber cushion 309, which are far away from the pushing frame 304, supporting rods 305 are inserted on the inner walls of the plurality of supporting plates 306, one ends of the plurality of supporting rods 305, which are close to the connecting pipe 1, are fixedly connected with the surfaces of the plurality of the long plates 303, a plurality of bolts 308 are inserted on the inner walls of the plurality of supporting plates 306, the plurality of bolts 308 are respectively inserted on the inner walls of the plurality of supporting rods 305, the cross-section shapes of the plurality of supporting rods 305 are rectangular, and the plurality of sand paper 310 are all located inside the connecting pipe 1.

When the surface of a wire core is required to be polished, the wire core can be inserted into the connecting pipe 1, then the plug pins 308 are pulled out of the supporting rod 305 to release the fixing of the supporting rod 305, the springs 307 are in a compressed state, the long plates 303 can be pushed to move towards the directions close to each other through the springs 307 at the moment, the sand paper 310 is attached to the surface of the wire core, and then the ring 302 is rotated to drive the sand paper 310 to slide on the surface of the wire core, so that the purpose of polishing the wire core is achieved.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

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

Claims

1. The utility model provides a three-core cable shrinkage intermediate head, includes connecting pipe (1), its characterized in that: the inner wall joint of connecting pipe (1) has support frame (201), the inner wall sliding connection of the long arm end of support frame (201) has slider (202), the surface welding of slider (202) has measuring board (204), the one end fixedly connected with link (211) that slider (202) were kept away from to measuring board (204), the inner wall rotation of link (211) is connected with first screw rod (205) and second screw rod (206), the one end that first screw rod (205) and second screw rod (206) are close to each other welds mutually, the equal threaded connection in surface of first screw rod (205) and second screw rod (206) has push plate (203), two the one end that push plate (203) kept away from support frame (201) all fixedly connected with splint (210);

the surface welding of support frame (201) short arm end has stock (301), the one end sliding connection that stock (301) was kept away from support frame (201) has ring (302), the surface welding of ring (302) has a plurality of backup pads (306), a plurality of the one side that backup pad (306) are close to connecting pipe (1) is all fixedly connected with spring (307), a plurality of the one end that backup pad (306) was kept away from to spring (307) is all welded with stock (303), a plurality of the one end that spring (307) was kept away from to stock (303) is all welded with pushing frame (304), the surface fixedly connected with rubber cushion (309) of pushing frame (304), one side fixedly connected with abrasive paper (310) of pushing frame (304) are kept away from to rubber cushion (309).

2. A three-core cable cold shrink intermediate joint as defined in claim 1, wherein: the screw thread direction of first screw rod (205) is opposite with second screw rod (206), the fixed surface of support frame (201) is connected with supporting shoe (209).

3. A three-core cable cold shrink intermediate joint as defined in claim 2, wherein: the inner wall of the supporting block (209) is inserted with a limiting frame (208), and one end, far away from the first screw (205), of the second screw (206) is provided with a handle.

4. A three-core cable cold shrink intermediate joint as defined in claim 1, wherein: two limit rods (207) are fixedly connected to the surface of the connecting frame (211), and the two limit rods (207) are respectively inserted into the inner walls of the two pushing plates (203).

5. A three-core cable cold shrink intermediate joint as defined in claim 1, wherein: the inner walls of the supporting plates (306) are respectively inserted with supporting rods (305), and one ends, close to the connecting pipes (1), of the supporting rods (305) are fixedly connected with the surfaces of the long plates (303) respectively.

6. A three-core cable cold shrink intermediate joint as defined in claim 1, wherein: the inner walls of the supporting plates (306) are respectively inserted with bolts (308), and the bolts (308) are respectively inserted with the inner walls of the supporting rods (305).

7. The three-core cable cold shrink intermediate joint according to claim 5, wherein: the cross-section shape of a plurality of supporting rods (305) is rectangular, and a plurality of sand papers (310) are positioned inside the connecting pipe (1).