CN212434932U - Underwater cable connector - Google Patents
Underwater cable connector Download PDFInfo
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- CN212434932U CN212434932U CN202021536568.2U CN202021536568U CN212434932U CN 212434932 U CN212434932 U CN 212434932U CN 202021536568 U CN202021536568 U CN 202021536568U CN 212434932 U CN212434932 U CN 212434932U
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- cable connector
- cylindrical channel
- plunger
- sealing
- underwater
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Abstract
The utility model discloses an underwater cable connector, which comprises a protective shell, a main cable joint and a branch cable joint, wherein the protective shell is of an impervious structure; the protective shell is provided with a plunger type pressure equalizing valve; the plunger type pressure equalizing valve comprises a valve body and a plunger valve core, wherein a cylindrical channel is arranged in the valve body, openings at two ends of the cylindrical channel are arranged, two ports of the cylindrical channel are respectively arranged in and out of the protective shell and are used as an inner port and an outer port of the cylindrical channel, the plunger valve core is arranged in the cylindrical channel and is in sliding sealing fit with the inner wall of the cylindrical channel, the cylindrical channel is provided with a limiting assembly for preventing the plunger valve core from being separated from the cylindrical channel, electronic fluorinated liquid is filled in the protective shell and the cylindrical channel, and the plunger valve core is abutted to the limiting assembly close to the outer port under the action of the electronic fluorinated. The underwater cable connector can solve the waterproof problem of electrical equipment in deepwater operation, reduce the risk of pressure fracture of the protective shell, and improve the corrosion resistance and the insulation property of live working of the electrical equipment.
Description
Technical Field
The utility model belongs to the technical field of waterproof electrical equipment, especially, relate to cable connector under water.
Background
The underwater cable connector has a function of gathering signals (i.e., branch cables or signals) of the underwater sensor together and transmitting the signals to water through a multi-core cable (i.e., a main cable). In order to adapt to the working condition of underwater use, electrical equipment of the underwater cable connector needs to be arranged in a protective shell, and the protective shell of the traditional underwater cable connector is divided into a dry cabin and an oil filling mode. The dry cabin type is only suitable for shallow water, and when the dry cabin type underwater cable connector is used in a deep water area, the dry cabin type underwater cable connector cannot meet the pressure-resistant requirement of the deep water area type underwater cable connector. At present, oil-filled underwater cable connectors are mostly adopted in underwater cable connectors used in deepwater areas,
however, the oil-filled underwater cable connector is used in deep water areas, and the connector is also prone to housing rupture when subjected to high water pressure, and once the connector is ruptured, oil outflow is caused, and water penetrating into the protective housing can damage electrical equipment therein.
Disclosure of Invention
The utility model discloses not enough to prior art, provide cable connector under water, solve the waterproof problem of the cable connector's under water electrical equipment of deep water operation, reduce protective housing pressurized risk of breaking, can improve electrical equipment's corrosion resisting property and electrified work insulating property simultaneously.
In order to achieve the above object, the utility model discloses a technical scheme be:
an underwater cable connector comprises a protective shell, wherein a main cable joint matched with a main cable and a branch cable joint matched with a branch cable are mounted on the protective shell, and the protective shell is of a watertight structure; the protective shell is also provided with a plunger type pressure equalizing valve, and the protective shell is provided with a mounting hole for mounting the plunger type pressure equalizing valve; the plunger type pressure equalizing valve comprises a valve body and a plunger valve core, wherein a cylindrical channel is arranged in the valve body, openings are arranged at two ends of the cylindrical channel, two ports of the cylindrical channel are respectively arranged in and out of the protective shell, to serve as an inner port and an outer port of the cylindrical passage, the plunger spool is mounted in the cylindrical passage, the plunger valve core is in sliding sealing fit with the inner wall of the cylindrical channel, the cylindrical channel is provided with a limiting component for preventing the plunger valve core from falling off the cylindrical channel, the outer wall of the valve body, the main cable joint and the branch cable joint are all connected with the protective shell in a watertight way, the protection shell and the cylindrical channel are filled with electronic fluorinated liquid, before the underwater cable connector is launched, the plunger valve core is abutted against the limiting component close to the outer port under the action of the electronic fluorinated liquid.
Preferably, the stop assembly includes a first stop member disposed adjacent the inner port of the cylindrical passage to block removal of the plunger spool from the inner port, and a second stop member disposed adjacent the outer port of the cylindrical passage to block removal of the plunger spool from the outer port.
Preferably, the first limiting part comprises a baffle ring fixedly mounted on the inner wall of the cylindrical channel, the second limiting part comprises a valve cover fixedly mounted on the outer port of the cylindrical channel, and the valve cover is provided with a communication hole for communicating the cylindrical channel and an external water environment.
Preferably, a first sealing member is fixedly mounted on the outer side wall of the plunger valve core, and the first sealing member is used for sealing a gap between the plunger valve core and the inner wall of the cylindrical channel.
Preferably, the first seal is provided in plural.
Preferably, the protective shell comprises a middle shell, two oppositely arranged end faces of the middle shell are both arranged in an open manner, a front end cover and a rear end cover are respectively and fixedly mounted on the two end faces of the middle shell, the front end cover and the rear end cover are both in watertight connection with the middle shell, the plunger type pressure equalizing valve and the main line cable joint are mounted on the front end cover, and the branch line cable joint is mounted on the rear end cover.
Preferably, the end surfaces of the two openings of the middle shell are respectively provided with a flange ring, the front end cover and the rear end cover are both connected with the flange rings in a flange mode, and the flange rings are connected with the front end cover or the rear end cover through fixing bolts; and second sealing pieces for sealing a gap between the flange ring and the front end cover or the rear end cover are arranged between the flange ring and the front end cover or the rear end cover.
Preferably, the front end cover is provided with a main line cable joint mounting hole for mounting the main line cable joint, the main line cable joint is a special underwater quick joint, the main line cable joint is in watertight connection with the main line cable joint mounting hole by adopting a sealing nut, and a third sealing element for closing a gap between the sealing nut and the main line cable joint mounting hole is mounted between the sealing nut and the main line cable joint mounting hole; the rear end cover is provided with a branching cable joint mounting hole for mounting the branching cable joint, the branching cable joint is designed to be a special underwater quick joint, the branching cable joint is in watertight connection with the branching cable joint mounting hole through a sealing nut, and a fourth sealing element for sealing a gap between the sealing nut and the branching cable joint mounting hole is mounted between the sealing nut and the branching cable joint mounting hole.
Preferably, the outer wall of the valve body and the mounting hole are provided with thread structures matched with each other, the valve body is in threaded connection with the mounting hole, the outer wall of the valve body is fixedly sleeved with a check ring capable of abutting against the outer wall of the protective shell, and a fifth sealing element for sealing a gap between the check ring and the outer wall of the protective shell is arranged between the check ring and the outer wall of the protective shell.
Preferably, the branching cable connectors are provided in plural, and the electronic fluorination liquid is 3M fluorination liquid.
Compared with the prior art, the beneficial effects of the utility model are that: the underwater cable connector solves the waterproof problem of electrical equipment of the underwater cable connector in deepwater operation, reduces the risk of pressure fracture of the protective shell, and can improve the corrosion resistance and the insulation property of live working of the electrical equipment.
Drawings
Fig. 1 is a schematic structural diagram of an underwater cable connector according to the present embodiment;
fig. 2 is a side view of the underwater cable connector of the present embodiment;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is an exploded view of the shield case of the present embodiment;
fig. 5 is a schematic structural view of the plunger-type pressure equalizing valve of the present embodiment.
Detailed Description
The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
It should be noted that in the description of the present invention, the terms "inside", "outside", "upper", "lower", "left", "right", "front", "rear", etc. indicate the positional relationship based on the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 5, an underwater cable connector includes a protective housing 1, a main cable connector 3 adapted to a main cable and a branch cable connector 2 adapted to a branch cable are mounted on the protective housing 1, and the protective housing 1 is configured to be watertight; the protection shell 1 is also provided with a plunger type pressure equalizing valve 4, and the protection shell 1 is provided with a mounting hole for mounting the plunger type pressure equalizing valve 4; the plunger type pressure equalizing valve 4 comprises a valve body 41 and a plunger valve core 45, a cylindrical channel is arranged in the valve body 41, the two ends of the cylindrical channel are opened, and the two ports of the cylindrical channel are respectively arranged inside and outside the protective shell 1, to serve as the inner and outer ports of the cylindrical passage in which the plunger spool 45 is installed, the plunger valve core 45 is in sliding sealing fit with the inner wall of the cylindrical channel, the cylindrical channel is provided with a limiting component for preventing the plunger valve core 45 from falling off the cylindrical channel, the outer wall of the valve body 41, the main cable connector 3 and the branch cable connector 2 are all connected with the protection shell 1 in a watertight way, the protective shell 1 and the cylindrical channel are filled with electronic fluorinated liquid, before the underwater cable connector is launched, the plunger valve core 45 abuts against the limiting component close to the outer port under the action of the electronic fluorinated liquid 5.
By adopting the structure, the underwater cable connector can realize the parallel connection of signals of the underwater sensors, and simultaneously can solve the waterproof problem of electrical equipment of the underwater cable connector in deep-water operation, improve the corrosion resistance and the insulation property in live working of the electrical equipment, reduce the damage risk of the protective shell 1 in the underwater operation, soak the electrical equipment (the conventional design is not shown in the attached drawing) in the protective shell 1 in the electronic fluorinated liquid 5, and the electronic fluorinated liquid 5 can be matched with the protective shell 1 to play the roles of waterproof protection and improvement of the corrosion resistance and the insulation property in live working of the electrical equipment soaked in the electronic fluorinated liquid 5. And the underwater cable connector is applied to the deepwater environment, the plunger valve core 45 of the plunger type pressure equalizing valve 4 can move towards the direction close to the inner port of the cylindrical channel under the action of water pressure to compress the volume of the electronic fluorinated liquid 5 in the protective shell 1, so that the internal pressure of the protective shell 1 is increased, the internal and external pressure balance of the protective shell 1 or the internal and external pressure difference can be realized, the risk of the waterproof shell 1 cracking under the action of external water pressure is reduced, even if the waterproof shell 1 cracks and meets the condition that the electronic fluorinated liquid leaks a little, because the density of the electronic fluorinated liquid in the waterproof shell 1 is high, seawater cannot flow into the waterproof shell 1, the device can still realize the waterproof, anticorrosive and insulating effects of electrical equipment, and the stability of the system can be.
Specifically, the stop assembly includes a first stop member disposed proximate to the inner port of the cylindrical passage to prevent the plunger spool 45 from escaping from the inner port, and a second stop member disposed proximate to the outer port of the cylindrical passage to prevent the plunger spool 45 from escaping from the outer port.
Specifically, the first limiting part comprises a baffle ring 42 fixedly mounted on the inner wall of the cylindrical channel, the second limiting part comprises a valve cover 46 fixedly mounted on the outer port of the cylindrical channel, and the valve cover 46 is provided with a communication hole for communicating the cylindrical channel and the external water environment.
Specifically, a first sealing member 44 is fixedly mounted on an outer side wall of the plunger valve core 45, and the first sealing member 44 is used for sealing a gap between the plunger valve core and an inner wall of the cylindrical channel. The first sealing element 44 can ensure the sealing effect of the plunger valve core 45, prevent external water in the protective shell 1 from permeating into the protective shell 1, and also prevent the electronic fluorinated liquid 5 in the protective shell 1 from seeping out.
Specifically, the first seal member is provided in plural, for example, two as shown in fig. 5. The first sealing member may be provided in a sealing ring structure.
Specifically, as shown in fig. 1 to 4, the protective casing 1 includes a middle casing 11, two opposite end faces of the middle casing 11 are both open, a front end cover 13 and a rear end cover 12 are respectively and fixedly mounted on the two open end faces of the middle casing 11, the front end cover 13 and the rear end cover 12 are both connected to the middle casing 11 in a watertight manner, the plunger type pressure equalizing valve 4 and the main line cable connector 3 are mounted on the front end cover 13, and the branch line cable connector 2 is mounted on the rear end cover 12. Protective housing 1 establishes to above-mentioned structure, makes things convenient for the equipment and overhauls the debugging.
Specifically, as shown in fig. 4, two open end surfaces of the middle housing 11 are provided with flange rings, the front end cover 13 and the rear end cover 12 are both connected to the flange rings by flanges, and the flange rings are connected to the front end cover 13 or the rear end cover 12 by fixing bolts 14; and a second sealing piece 15 for sealing a gap between the flange ring and the front end cover 13 or the rear end cover 12 is arranged between the flange ring and the front end cover 13. The second sealing member 15 may be provided in a sealing ring structure.
Specifically, the front end cover 13 is provided with a main cable joint mounting hole for mounting the main cable joint 3, the main cable joint 3 is a special underwater quick joint, the main cable joint 3 is in watertight connection with the main cable joint mounting hole by using a sealing nut, and a third sealing member for sealing a gap between the sealing nut and the main cable joint mounting hole is mounted between the sealing nut and the main cable joint mounting hole. The third sealing member may be provided in a packing structure.
Specifically, the rear end cover 12 is provided with a branching cable joint mounting hole for mounting the branching cable joint 2, the branching cable joint 2 is designed to be a special underwater quick joint, the branching cable joint 2 is in watertight connection with the branching cable joint mounting hole by adopting a sealing nut, and a fourth sealing element for sealing a gap between the sealing nut and the branching cable joint mounting hole is mounted between the sealing nut and the branching cable joint mounting hole. The fourth sealing member may be provided in a packing structure.
Specifically, the valve body 41 outer wall with the mounting hole is equipped with the helicitic texture of looks adaptation, 41 threaded connection of valve body the mounting hole, the fixed cover of 41 outer walls of valve body is equipped with the butt can the retaining ring of protection casing 1 outer wall, the retaining ring with be equipped with the fifth sealing member 43 in sealed two clearance between the protection casing 1 outer wall. The fifth sealing member 43 may be provided with a packing structure.
Specifically, the branch cable connectors 2 are provided in plural.
Specifically, the electron fluorination liquid 5 is 3M fluorination liquid. The 3M fluorinated liquid has the characteristics of insulation, high density, low boiling point and the like, can realize the waterproof, anti-corrosion and insulating effects of electrical equipment when being applied to the device, and can improve the stability of a system.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. An underwater cable connector comprises a protective shell, wherein a main cable joint matched with a main cable and a branch cable joint matched with a branch cable are arranged on the protective shell; the protective shell is also provided with a plunger type pressure equalizing valve, and the protective shell is provided with a mounting hole for mounting the plunger type pressure equalizing valve; the plunger type pressure equalizing valve comprises a valve body and a plunger valve core, wherein a cylindrical channel is arranged in the valve body, openings are arranged at two ends of the cylindrical channel, two ports of the cylindrical channel are respectively arranged in and out of the protective shell, to serve as an inner port and an outer port of the cylindrical passage, the plunger spool is mounted in the cylindrical passage, the plunger valve core is in sliding sealing fit with the inner wall of the cylindrical channel, the cylindrical channel is provided with a limiting component for preventing the plunger valve core from falling off the cylindrical channel, the outer wall of the valve body, the main cable joint and the branch cable joint are all connected with the protective shell in a watertight way, the protection shell and the cylindrical channel are filled with electronic fluorinated liquid, before the underwater cable connector is launched, the plunger valve core is abutted against the limiting component close to the outer port under the action of the electronic fluorinated liquid.
2. The underwater cable connector of claim 1 wherein the stop assembly includes a first stop member disposed proximate the inner port of the cylindrical passage to block withdrawal of the plunger spool from the inner port and a second stop member disposed proximate the outer port of the cylindrical passage to block withdrawal of the plunger spool from the outer port.
3. The underwater cable connector as recited in claim 2, wherein the first limiting member comprises a retaining ring fixedly mounted on an inner wall of a cylindrical channel, and the second limiting member comprises a valve cover fixedly mounted on the outer port of the cylindrical channel, the valve cover being provided with a communication hole for communicating the cylindrical channel and an external water environment.
4. The underwater cable connector of claim 3, wherein a first sealing member is fixedly mounted on an outer side wall of the plunger spool, and the first sealing member is used for sealing a gap between the plunger spool and an inner wall of the cylindrical passage.
5. The underwater cable connector of claim 4, wherein said first seal member is provided in plurality.
6. The underwater cable connector of claim 1, wherein the protective housing includes a middle housing, two opposite end surfaces of the middle housing are open, a front cover and a rear cover are fixedly mounted on the two open end surfaces of the middle housing, the front cover and the rear cover are watertight connected to the middle housing, the plunger type pressure equalizing valve and the main cable connector are mounted on the front cover, and the branch cable connector is mounted on the rear cover.
7. The underwater cable connector as claimed in claim 6, wherein two open end faces of the middle housing are provided with flange rings, the front end cover and the rear end cover are connected with the flange rings in a flange manner, and the flange rings are connected with the front end cover or the rear end cover through fixing bolts; and second sealing pieces for sealing a gap between the flange ring and the front end cover or the rear end cover are arranged between the flange ring and the front end cover or the rear end cover.
8. The underwater cable connector as claimed in claim 6, wherein the front end cap defines a main cable connector mounting hole for mounting the main cable connector, the main cable connector is configured as an underwater dedicated quick connector, the main cable connector is watertight connected to the main cable connector mounting hole by a sealing nut, and a third sealing member for closing a gap between the sealing nut and the main cable connector mounting hole is mounted between the sealing nut and the main cable connector mounting hole; the rear end cover is provided with a branching cable joint mounting hole for mounting the branching cable joint, the branching cable joint is designed to be a special underwater quick joint, the branching cable joint is in watertight connection with the branching cable joint mounting hole through a sealing nut, and a fourth sealing element for sealing a gap between the sealing nut and the branching cable joint mounting hole is mounted between the sealing nut and the branching cable joint mounting hole.
9. The underwater cable connector as recited in claim 1, wherein the valve body outer wall and the mounting hole are provided with matching thread structures, the valve body is in threaded connection with the mounting hole, the valve body outer wall is fixedly sleeved with a retainer ring capable of abutting against the protective housing outer wall, and a fifth sealing member for sealing a gap between the retainer ring and the protective housing outer wall is provided between the retainer ring and the protective housing outer wall.
10. The underwater cable connector of claim 1, wherein the distribution cable joint is provided in plurality, and the electronic fluorinated liquid is 3M fluorinated liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021536568.2U CN212434932U (en) | 2020-07-29 | 2020-07-29 | Underwater cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021536568.2U CN212434932U (en) | 2020-07-29 | 2020-07-29 | Underwater cable connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212434932U true CN212434932U (en) | 2021-01-29 |
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ID=74274328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021536568.2U Active CN212434932U (en) | 2020-07-29 | 2020-07-29 | Underwater cable connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212434932U (en) |
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2020
- 2020-07-29 CN CN202021536568.2U patent/CN212434932U/en active Active
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