CN216488580U - Waterproof insulation wiring device for multi-core cable - Google Patents
Waterproof insulation wiring device for multi-core cable Download PDFInfo
- Publication number
- CN216488580U CN216488580U CN202122489593.0U CN202122489593U CN216488580U CN 216488580 U CN216488580 U CN 216488580U CN 202122489593 U CN202122489593 U CN 202122489593U CN 216488580 U CN216488580 U CN 216488580U
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- China
- Prior art keywords
- box body
- core
- cable
- support frame
- wiring device
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- 238000009413 insulation Methods 0.000 title claims abstract description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 4
- 239000010703 silicon Substances 0.000 claims abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000000499 gel Substances 0.000 description 18
- 238000010276 construction Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 238000002788 crimping Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Images
Abstract
The utility model relates to a waterproof insulating wiring device for a multi-core cable, which comprises a gel box and a wiring structure; the wiring structure consists of a connecting pipe, a support frame and a bolt; the support frame is provided with a plurality of positioning grooves along the circumferential direction; the core connecting ends of the first multi-core cable and the core connecting ends of the second multi-core cable are inserted into the connecting pipes from two ends in a one-to-one correspondence manner and are screwed and fixed through bolts arranged on the side faces of the connecting pipes; the connecting pipes are correspondingly arranged in the positioning grooves of the support frame one by one; the wiring structure is arranged in the gel box, and the gel box is filled with silicon gel. The utility model realizes the functions of insulation, sealing, water prevention and the like at the wiring position, ensures the safety and the reliability of the cable joint and provides guarantee for the stable operation of a line.
Description
Technical Field
The utility model relates to the technical field of cable connection, in particular to a waterproof and insulating connection device for a multi-core cable.
Background
As urbanization progresses, cable line laying in cities gradually shifts from overhead to underground. What current cable junction device adopted is the crimping mode, fills the polyurethane AB glue that needs the solidification and realizes insulating waterproof sealing function, and it has following problem:
1) in the cable crimping process, the core wires are easily exposed or scattered;
2) connecting pipes of different types and specifications need different special tools, so that construction is inconvenient;
3) the gel box is filled with polyurethane AB glue, so that the curing time is long, the construction period is long, and the construction is inconvenient.
The problems of the connection method generally cause faults such as electric leakage accidents of public electric facilities. The electric leakage accidents of public electric facilities often happen in wet weather such as rainy days, especially in summer with much thunderstorm. Due to high temperature in summer, electric facilities run at high temperature and humidity, and electric leakage is caused by aging and breakdown of a cable insulating layer or lack of reliable insulating waterproof treatment at a cable joint. In addition, urban waterlogging also can lead to the electrified accident of getting an electric shock of lamp pole, leads to the casualties.
Disclosure of Invention
The utility model provides a waterproof insulating wiring device for a multi-core cable, which realizes the functions of insulating, sealing, waterproofing and the like at a wiring position, ensures the safety and reliability of a cable joint and provides guarantee for the stable operation of a line.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a waterproof insulation wiring device for a multi-core cable comprises a gel box and a wiring structure; the wiring structure consists of a connecting pipe, a support frame and a bolt; the support frame is provided with a plurality of positioning grooves along the circumferential direction; the core connecting ends of the first multi-core cable and the core connecting ends of the second multi-core cable are inserted into the connecting pipes from two ends in a one-to-one correspondence manner and are screwed and fixed through bolts arranged on the side faces of the connecting pipes; the connecting pipes are correspondingly arranged in the positioning grooves of the support frame one by one; the wiring structure is arranged in the gel box, and the gel box is filled with silicon gel.
The inner wall of the connecting pipe is provided with internal threads and coated with conductive paste; the inner diameter of the internal thread is equal to the outer diameter of the wire core.
The bolts are torque bolts.
The connecting pipe is an aluminum pipe.
The support frame is of an integrally formed structure and is made of insulating materials.
The gel box is of a middle split structure and consists of a lower box body and an upper box body; the lower box body is rotationally connected with one side of the upper box body through a hinge, and the other side of the lower box body is clamped with the clamping groove through a buckle; the inner cavities of the lower box body and the upper box body are closed to form an accommodating cavity of the wiring structure; two ends of the lower box body and two ends of the upper box body are respectively provided with a cable positioning groove; a support frame positioning block is arranged in the inner cavity of the lower box body.
The lower box body and the upper box body are both formed by integrally injection molding nylon.
The first multi-core cable and the second multi-core cable are copper-core cables, aluminum-core cables or aluminum alloy-core cables below 1 kV.
Compared with the prior art, the utility model has the beneficial effects that:
1) the multi-core cable is connected without a special crimping tool, only a common hexagonal wrench is needed for fixing the bolt, the connection is quick and simple, the installation cost is reduced, the connector quality is stable, the connector is not influenced by human factors, the conductor is not damaged, and the performance is stable after connection;
2) the applicability is strong; the cable is suitable for copper core cables, aluminum core cables and aluminum alloy core cables with the voltage level below 1kV, and comprises transition butt joint of the copper core cables and the aluminum core cables; connecting pipes of various types are not required to be purchased, so that the inventory is greatly reduced, and the management is convenient;
3) the electrical performance is more reliable; edges, burrs and even flashes can be generated by adopting a traditional compression joint mode, careful polishing is needed, and the requirement on constructors is high; the bolt connection is adopted only by simply processing the fracture of the bolt, so that the possibility of accidents is greatly reduced;
4) the connecting pipe is provided with internal threads, so that an oxide layer on the surface of the wire core can be broken under pressure, and good electrical and mechanical connection is ensured; the inner wall of the connecting pipe is coated with the conductive paste, so that the oxidation resistance and the corrosion resistance are facilitated, and the service life of the product is prolonged;
5) the support frame is made of insulating materials and is of an integrated structure, so that all core wires of the multi-core cable can be effectively separated, and short circuit is prevented;
6) polyurethane AB glue is filled in a gel box of the traditional wiring device, so that the curing time is long, the construction time is long, and the construction is inconvenient; the gel box is filled with the silica gel, so that the installation is convenient and quick.
Drawings
Fig. 1 is a schematic structural diagram of a waterproof and insulating wiring device for a multi-core cable according to the present invention.
Fig. 2 is a schematic diagram of the wiring structure of the present invention.
FIG. 3 is a schematic view showing the structure of the gel cassette according to the present invention.
In the figure: 1. connecting pipe 2, support frame 3, gel box 31, inner cavity 32, cable positioning groove 33, clamping groove 34, buckle 35, hinge 36, support frame positioning block 4, silica gel 5, wire core 6, bolt 7, multi-core cable I8, multi-core cable II
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1-3, the waterproof and insulated multi-core cable connection device of the present invention includes a gel box 3 and a connection structure; the wiring structure consists of a connecting pipe 1, a support frame 2 and a bolt 6; the supporting frame 2 is provided with a plurality of positioning grooves along the circumferential direction; the connecting ends of the wire cores 5 of the first multi-core cable 7 and the connecting ends of the wire cores 5 of the second multi-core cable 8 are inserted into the connecting pipe 1 from two ends in a one-to-one correspondence manner and are screwed and fixed through bolts 6 arranged on the side surface of the connecting pipe 1; the connecting pipes 1 are correspondingly arranged in the positioning grooves of the support frame 2 one by one; the wiring structure is arranged in the gel box 3, and the gel box 3 is filled with the silicon gel 4.
The inner wall of the connecting pipe 1 is provided with internal threads and coated with conductive paste; the inner diameter of the internal thread is equal to the outer diameter of the wire core 5.
The bolt 6 is a torque bolt.
The connecting pipe 1 is an aluminum pipe.
The support frame 2 is an integrally formed structure and is made of an insulating material.
The gel box 3 is of a middle split structure and consists of a lower box body and an upper box body; one side of the lower box body is rotatably connected with one side of the upper box body through a hinge 35, and the other side of the lower box body is clamped with the clamping groove 33 through a clamp 34; the inner cavities of the lower box body and the upper box body are closed to form an accommodating cavity of the wiring structure; two ends of the lower box body and two ends of the upper box body are respectively provided with a cable positioning groove 32; a support frame positioning block 36 is arranged in the inner cavity of the lower box body.
The lower box body and the upper box body are both formed by integrally injection molding nylon.
The first multi-core cable 7 and the second multi-core cable 8 are copper-core cables, aluminum-core cables or aluminum alloy-core cables below 1 kV.
The use process of the waterproof insulating wiring device for the multi-core cable is as follows:
firstly, removing the outer sheath of the connecting ends of 2 multi-core cables (usually 6-core cables or 8-core cables) which are butted, extending the wire cores 5 into the corresponding ends of the connecting pipe 1 in a one-to-one correspondence manner, and screwing the bolts 6 to realize connection; the bolt 6 is a torque bolt, and can be quickly and simply installed by using a hexagonal wrench.
The connecting pipes 1 connected with the wire cores 5 are correspondingly placed in the positioning grooves of the support frame 2 one by one to form a wiring structure; the lower box body of gel box 3 and go up and fill in advance in the box body with silica gel 4, put into the inner chamber of box body under the gel box 2 with whole wiring structure, 2 cables wear out from cable positioning groove 32 respectively, then pass through draw-in groove 33 and buckle 34 cooperation with lower box body and last box body and be connected fixedly, make whole wiring structure wrap up completely in silica gel 4 in gel box 3, accomplish the wiring process of cable promptly.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and their concepts should be equivalent or changed within the technical scope of the present invention.
Claims (8)
1. A waterproof insulation wiring device of a multi-core cable is characterized by comprising a gel box and a wiring structure; the wiring structure consists of a connecting pipe, a support frame and a bolt; the support frame is provided with a plurality of positioning grooves along the circumferential direction; the core connecting ends of the first multi-core cable and the core connecting ends of the second multi-core cable are inserted into the connecting pipes from two ends in a one-to-one correspondence manner and are screwed and fixed through bolts arranged on the side faces of the connecting pipes; the connecting pipes are correspondingly arranged in the positioning grooves of the support frame one by one; the wiring structure is arranged in the gel box, and the gel box is filled with silicon gel.
2. The waterproof insulating wiring device of claim 1, wherein the inner wall of the connecting tube is internally threaded and coated with conductive paste; the inner diameter of the internal thread is equal to the outer diameter of the wire core.
3. The watertight insulation connection of a multiconductor cable of claim 1 wherein the bolt is a torque bolt.
4. The waterproof insulating wiring device of claim 1, wherein the connection tube is an aluminum tube.
5. The waterproof and insulated wiring device of claim 1, wherein the support frame is a unitary structure made of an insulating material.
6. The waterproof insulated wiring device for the multicore cable according to claim 1, wherein the gel box is a middle split structure, and comprises a lower box body and an upper box body; one side of the lower box body is rotationally connected with one side of the upper box body through a hinge, and the other side of the lower box body is clamped with the clamping groove through a buckle; the inner cavities of the lower box body and the upper box body are closed to form an accommodating cavity of the wiring structure; two ends of the lower box body and two ends of the upper box body are respectively provided with a cable positioning groove; a support frame positioning block is arranged in the inner cavity of the lower box body.
7. The waterproof insulating wiring device for the multi-core cable as claimed in claim 6, wherein the lower box body and the upper box body are integrally formed by injection molding of nylon.
8. The waterproof insulating wiring device of claim 1, wherein the first and second multi-core cables are copper-core cables, aluminum-core cables or aluminum alloy-core cables of less than 1 kV.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122489593.0U CN216488580U (en) | 2021-10-15 | 2021-10-15 | Waterproof insulation wiring device for multi-core cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122489593.0U CN216488580U (en) | 2021-10-15 | 2021-10-15 | Waterproof insulation wiring device for multi-core cable |
Publications (1)
Publication Number | Publication Date |
---|---|
CN216488580U true CN216488580U (en) | 2022-05-10 |
Family
ID=81440344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202122489593.0U Active CN216488580U (en) | 2021-10-15 | 2021-10-15 | Waterproof insulation wiring device for multi-core cable |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN216488580U (en) |
-
2021
- 2021-10-15 CN CN202122489593.0U patent/CN216488580U/en active Active
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