CN111244877B - Watertight cable joint - Google Patents
Watertight cable joint Download PDFInfo
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- CN111244877B CN111244877B CN202010175366.8A CN202010175366A CN111244877B CN 111244877 B CN111244877 B CN 111244877B CN 202010175366 A CN202010175366 A CN 202010175366A CN 111244877 B CN111244877 B CN 111244877B
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- chamber
- joint
- branching
- threaded hole
- sealing ring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
- H02G15/113—Boxes split longitudinally in main cable direction
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
- H02G15/117—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes for multiconductor cables
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Abstract
A watertight cable joint comprising a joint body (1) having a breakout chamber/joint chamber (2), a first projection stage (3) and a second projection stage (4); one end of the joint body (1) is provided with a first compression pad (5), a first cable sealing ring (6), a second compression pad (7), a second cable sealing ring (8), a third compression pad (9), a locking nut (10), a protection sealing ring (12), a protection gland (11) and a first threaded hole (20); the other end of the wire distributing chamber/joint chamber is symmetrically provided with or provided with a wire distributing gasket (13), a wire distributing sealing ring (14), a wire distributing pressing ring (15), a reducing joint (16), a first sealing ring (18) and a second sealing ring (19), a second threaded hole (21) is formed in the wire distributing chamber/joint chamber, the second pressing gasket is provided with an annular groove (23) and a radial through hole (24) communicated with the annular groove; the reducer joint (16) has a joint line chamber (25) therein.
Description
Technical Field
The invention relates to the technical field of watertight cable connection, in particular to a watertight cable joint.
Background
The cable connector is also called a cable head. After the cable is laid, the sections of the cable must be connected together in order to form a continuous line, and these connections are called cable connectors. The cable joints at the middle of the cable run are called intermediate joints and the cable joints at the two ends of the run are called termination joints. The cable joint is used for locking and fixing the incoming and outgoing lines, and plays a role in water resistance, dust prevention and vibration prevention.
When the electronic cabin has deep balance pressure, the balance pressure of the electronic cabin can not leak outside through the wire core except for ensuring that external water can not leak into the electronic cabin.
The cable joint requiring watertight connection has joint vulcanization, mechanical steel structure connector assembly and the like. Each of these connection methods has its advantages and disadvantages. In the scientific research stage of products, especially in the process of external tests, if the cable is abnormal due to reasons, such as leakage, cable open circuit, cable short circuit and the like, the cable is difficult to recover in a short time, and whether the watertight performance requirement can be met or not is difficult to detect.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the watertight cable joint which is quick to assemble, reliable in watertight performance, convenient to maintain, large in submergence depth, capable of keeping the balance pressure in the electronic cabin and capable of carrying out watertight test on site.
In order to solve the technical problem, the invention provides a watertight cable joint, which comprises a joint body, wherein the joint body is provided with an axial through hole for a cable to pass through, and the axial through hole is provided with a branching chamber/joint chamber positioned in the middle part, a first projection stage and a second projection stage which are positioned at the outer sides of two ends of the branching chamber/joint chamber; the first compression pad is positioned at the end close to the branching chamber/joint chamber in the first projection stage, the first cable sealing ring is positioned at one side of the first compression pad, which is far away from the branching chamber/joint chamber, the second compression pad is positioned at one side of the first cable sealing ring, which is far away from the branching chamber/joint chamber, the second cable sealing ring is positioned at one side of the second compression pad, which is far away from the branching chamber/joint chamber, the third compression pad is positioned at one side of the second cable sealing ring, which is far away from the branching chamber/joint chamber, the locking nut is connected with the first end of the joint body, the protection sealing ring is positioned in the inner cavity of the locking nut, and the protection gland is connected with the locking nut; a branching gasket positioned at the end close to the branching chamber/joint chamber in the second projection stage, a branching sealing ring positioned at one side of the branching gasket far away from the branching chamber/joint chamber, a branching pressing ring positioned at one side of the branching sealing ring far away from the branching chamber/joint chamber, and a reducer joint with one end connected with the other end of the joint body, the electronic cabin or the sealed cabin is connected with the other end of the reducing joint, the first sealing ring is arranged between the reducing joint and the branching pressing ring, the second sealing ring is arranged between the reducing joint and the electronic cabin or the sealed cabin, a first threaded hole is formed in the joint body and located at a second pressing pad, a second threaded hole is formed in the branching chamber/joint chamber, a third threaded hole is formed in the sealed cabin, and a plug and a sealing gasket are detachably connected with the first threaded hole and the second threaded hole respectively; the second pressing pad is provided with an annular groove communicated with the first threaded hole and at least one radial through hole communicated with the annular groove; the reducer joint has a joint chamber therein; the second threaded hole is communicated with the branching chamber/joint chamber.
On the basis of the scheme, as a further improved scheme of the watertight cable joint, the watertight cable joint further comprises a detection joint detachably connected with the first threaded hole, the second threaded hole and the third threaded hole. And when the detection joints are installed in the first threaded hole and the second threaded hole, the plug is taken down.
The invention provides a watertight cable joint, which comprises a joint body, wherein the joint body is provided with an axial through hole for a cable to pass through, and the axial through hole is provided with a branching chamber/joint chamber positioned in the middle, a first protruding table stage and a second protruding table stage which are positioned at the outer sides of two ends of the branching chamber/joint chamber; the first compression pad is positioned at the end close to the branching chamber/joint chamber in the first projection stage, the first cable sealing ring is positioned at one side of the first compression pad, which is far away from the branching chamber/joint chamber, the second compression pad is positioned at one side of the first cable sealing ring, which is far away from the branching chamber/joint chamber, the second cable sealing ring is positioned at one side of the second compression pad, which is far away from the branching chamber/joint chamber, the third compression pad is positioned at one side of the second cable sealing ring, which is far away from the branching chamber/joint chamber, the locking nut is connected with the first end of the joint body, the protection sealing ring is positioned in the inner cavity of the locking nut, and the protection gland is connected with the locking nut; a fourth pressing pad located at the end close to the branching chamber/joint chamber in the second projection stage, a third cable sealing ring located at one side of the fourth pressing pad far from the branching chamber/joint chamber, a fifth pressing pad located at one side of the third cable sealing ring far from the branching chamber/joint chamber, a fourth cable sealing ring located at one side of the fifth pressing pad far from the branching chamber/joint chamber, a sixth pressing pad located at one side of the fourth cable sealing ring far from the branching chamber/joint chamber, a second lock nut connected with the other end of the joint body, a second protection sealing ring located in an inner cavity of the second lock nut, a second protection gland connected with the second lock nut, a first threaded hole located at the second pressing pad, a second threaded hole located at the branching chamber/joint chamber, and a fourth threaded hole located at the fourth pressing pad, the plug and the sealing gasket are detachably connected with the first threaded hole, the second threaded hole and the fourth threaded hole respectively; the second pressing pad is provided with a first annular groove communicated with the first threaded hole and at least one first radial through hole communicated with the first annular groove; the fourth pressing pad is provided with a second annular groove communicated with the fourth threaded hole, and at least one second radial through hole communicated with the second annular groove; the second threaded hole communicates with the joint chamber.
On the basis of the scheme, as a further improved scheme of the watertight cable joint, the watertight cable joint further comprises an insulating sheath connected with the inner wall of the joint body.
On the basis of the scheme, as a further improved scheme of the invention, the detection joint is used for replacing the plug and is detachably connected with the first threaded hole, the second threaded hole and the fourth threaded hole.
The foregoing improvements can be practiced alone or in combination without conflict.
According to the technical scheme provided by the invention, the installation, the disassembly and the maintenance are convenient, the cable is sealed in two stages by two groups of cable sealing rings, and different compression amounts of the two groups of cable sealing rings can be adjusted for large submergence depth so as to adapt to the pressure change requirements of submergence and recovery; the electronic cabin is reversely sealed to the cable, when the electronic cabin has deep balance pressure, the external water is prevented from leaking into the electronic cabin, and the balance pressure of the electronic cabin is prevented from leaking outside through the wire core. The detection can be carried out by arranging a small high-pressure gas cylinder and a water pool, external tools and supporting facilities required during the detection are simple and easy, the detection sealing is reliable, and the device can adapt to various environments; various specifications can be formed in a standardized way; the connection mode can be expanded into various forms; the assembly type operation is convenient for production.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic longitudinal sectional view showing a structure of a watertight cable joint according to embodiment 1;
FIG. 2 is a schematic view showing the detection principle of the watertight cable joint according to embodiment 1;
FIG. 3 is a schematic diagram of the longitudinal section structure of the watertight cable joint with the watertight self-test function according to embodiment 2;
fig. 4 is a schematic view of the detection principle of the watertight cable joint with the watertight self-test function in embodiment 2.
Detailed Description
The invention will be further explained with reference to the drawings.
Example 1: the watertight cable joint shown in fig. 1 comprises a joint body 1, wherein the joint body 1 is provided with an axial through hole for allowing a cable 27 to pass through, and the axial through hole is provided with a branching chamber 2 positioned in the middle, a first convex platform stage 3 and a second convex step section 4 positioned outside two ends of the branching chamber 2; the connector further comprises a first pressing pad 5 positioned at the end close to the branching chamber 2 in the first protruding table stage 3, a first cable sealing ring 6 positioned at one side of the first pressing pad 5, which is far away from the branching chamber 2, a second pressing pad 7 positioned at one side of the first cable sealing ring 6, which is far away from the branching chamber 2, a second cable sealing ring 8 positioned at one side of the second pressing pad 7, which is far away from the branching chamber 2, a third pressing pad 9 positioned at one side of the second cable sealing ring 8, which is far away from the branching chamber 2, a locking nut 10 connected with the first end of the connector body 1, a protection sealing ring 12 positioned in the inner cavity of the locking nut 10, and a protection gland 11 connected with the locking nut 10; the branching gasket 13 is positioned at the end, close to the branching chamber 2, of the second protruding step section 4, the branching sealing ring 14 is positioned at one side, far away from the branching chamber 2, of the branching gasket 13, the branching pressing ring 15 is positioned at one side, far away from the branching chamber 2, of the branching sealing ring 14, the reducer union 16 is connected with the other end of the joint body 1 at one end, the electronic cabin or the sealed cabin 17 is connected with the other end of the reducer union 16, the first sealing ring 18 is arranged between the reducer union 16 and the branching pressing ring 15, the second sealing ring 19 is arranged between the reducer union 16 and the electronic cabin or the sealed cabin 17, the first threaded hole 20 is arranged on the joint body 1 and is positioned at the second pressing pad 7, the second threaded hole 21 is positioned at the branching chamber 2, the third threaded hole 22 is arranged on the sealed cabin 17, and the plug and the sealing gasket are detachably connected with the first threaded hole 20 and the second threaded hole 21 respectively; the second pressure pad 7 has an annular groove 23 communicating with the first threaded hole 20, at least one radial through hole 24 communicating with the annular groove 23; the reducer joint 16 has a spool chamber 25 therein; the second screw hole 21 communicates with the branching chamber 2.
The locking nut 10 is an external thread nut and is provided with a cavity for inserting the protection sealing ring 12, when the locking nut 10 is screwed, the third pressing pad 9, the second cable sealing ring 8, the second pressing pad 7, the first cable sealing ring 6 and the first pressing pad 5 are extruded, so that the second cable sealing ring 8 and the first cable sealing ring 6 are deformed under extrusion, and the cable 27 is sealed. The reducer union 16 is connected with the union body 1 through threads, and when the reducer union 16 is screwed, the branching pressing ring 15, the branching sealing ring 14 and the branching gasket 13 are extruded, so that the branching sealing ring 14 deforms under extrusion, and each branching of the cable 27 is sealed. The pressure pads and the branching washers 13 form a support function. In the process of connecting the cable, one end of the cable sequentially passes through axial through holes of a protection gland 11, a protection sealing ring 12, a locking nut 10, a third pressing pad 9, a second cable sealing ring 8, a second pressing pad 7, a first cable sealing ring 6 and a first pressing pad 5 respectively; after the cable passes through the branching chamber 2, the cable is stripped, the branching is separated in the branching chamber 2, the single-stranded wire cores respectively pass through a branching gasket 13, a branching sealing ring 14 and a branching pressing ring 15 in sequence, the cable is combined in the branching chamber 25, a sheath of the wire cores is stripped in a crossing manner on the cable at the branching sealing ring 14, a copper core with a certain length is exposed, the branching pressing ring 15, the branching sealing ring 14 and the branching gasket 13 are pressed by the reducer union 16, and the branching pressing ring 15 deforms to seal the wire cores. The reducer union 16 is connected to the electronic cabin or the sealed cabin 17, is connected with the electronic cabin during working, introduces the wire core into the electronic cabin, and is connected with the sealed cabin during detection. During the pressing process, gas between each pressing pad and the cable sealing ring can be exhausted from the first threaded hole 20 and the second threaded hole 21, so that high-pressure gas does not exist between the pressing pads and the cable sealing ring. The protective sealing ring 12 applies a small pressing force to the cable, and plays a role in protecting the cable and properly clamping the cable. The cable forms two-stage seal by two sets of cable sealing rings, can be through adjusting the different compression volumes of two sets of cable sealing rings to big dive deeply to the pressure variation requirement of adaptation dive put and retrieve. The branching sealing ring 14 ensures the reverse sealing of the electronic cabin to the cable, namely when the electronic cabin has a submerged balance pressure, the electronic cabin is ensured that external water does not leak into the electronic cabin, and the balance pressure of the electronic cabin does not leak outside through the wire core.
During detection, as shown in fig. 2, after the cable is connected, the plugs of the first threaded hole 20 and the second threaded hole 21 are removed, the detection joints 26 are respectively replaced, and the detection joint 26 is also installed in the third threaded hole 22. The detection joints on the first threaded hole 20 and the third threaded hole 22 are communicated with an external high-pressure air source, and the detection joint on the second threaded hole 21 is connected with an air passing pipeline. During detection, the watertight cable connector is immersed in water, the outlet end of the air passing pipeline is also immersed in water, and high-pressure air is introduced into the first threaded hole 20 and the third threaded hole 22. And (4) checking whether bubbles leak out from the outlet end of the gas pipeline, wherein bubbles are leaked, and no bubbles are qualified. The second pressing pad 7 is provided with an annular groove 23 communicated with the first threaded hole 20 and a radial through hole 24 communicated with the annular groove 23, and when high-pressure gas is introduced, the high-pressure gas can enter gaps among the first cable sealing ring 6, the second cable sealing ring 8 and the connector body 1 or the cable 27, so that whether leakage exists at each position or not can be comprehensively detected. And after the detection is qualified, the detection joint 26 is taken out, each plug and each sealing gasket are installed, the sealed cabin 17 is taken out, the reducer union 16 is connected to the electronic cabin, and the plugs and the reducer union 16 can be sealed by thread sealing glue, so that the sealing reliability is ensured.
Example 2: the watertight cable joint shown in fig. 3 comprises a joint body 1, the joint body 1 having an axial through hole for passing a cable 27 therethrough, the axial through hole having a joint chamber 2 located at the middle, a first projection stage 3 and a second projection stage 4 located outside both ends of the joint chamber 2. The watertight cable joint further comprises a first compression pad 5 positioned at the end close to the joint chamber 2 in the first protruding stage 3, a first cable sealing ring 6 positioned at one side of the first compression pad 5, which is far away from the joint chamber 2, a second compression pad 7 positioned at one side of the first cable sealing ring 6, which is far away from the joint chamber 2, a second cable sealing ring 8 positioned at one side of the second compression pad 7, which is far away from the joint chamber 2, a third compression pad 9 positioned at one side of the second cable sealing ring 8, which is far away from the joint chamber 2, a locking nut 10 connected with the first end of the joint body 1, a protection sealing ring 12 positioned in an inner cavity of the locking nut 10, and a protection gland 11 connected with the locking nut 10; a fourth pressing pad 28 located at an end of the second protruding stepped section 4 close to the joint chamber 2, a third cable sealing ring 29 located at a side of the fourth pressing pad 28 away from the joint chamber 2, a fifth pressing pad 30 located at a side of the third cable sealing ring 29 away from the joint chamber 2, a fourth cable sealing ring 31 located at a side of the fifth pressing pad 30 away from the joint chamber 2, a sixth pressing pad 32 located at a side of the fourth cable sealing ring 31 away from the joint chamber 2, a second lock nut 33 connected to the other end of the joint body 1, a second protective sealing ring 34 located in an inner cavity of the second lock nut 33, a second protective pressing cover 35 connected to the second lock nut 33, a first threaded hole 20 located at the second pressing pad 7 on the joint body 1, a second threaded hole 21 located at the joint chamber 2, and a fourth threaded hole 36 located at the fourth pressing pad 28, a threaded hole 36 connected to the first threaded hole 20, a second threaded hole located at the second pressing pad 7 on the joint body 1, a, The second threaded hole 21 and the plug and the sealing gasket are detachably connected with the fourth threaded hole 36. The second pressure pad 7 has a first annular groove 23 communicating with the first threaded hole 20, at least one first radial through hole 24 communicating with the first annular groove 23; the fourth pressing pad 28 has a second annular groove 37 communicating with the fourth threaded hole 36, at least a second radial through hole 38 communicating with the second annular groove 37; the second threaded hole 21 communicates with the joint chamber 2.
The locking nut 10 and the second locking nut 33 are external thread nuts and are provided with cavities for inserting the protective sealing rings 12 or the second protective sealing rings 34, and when the locking nut 10 is screwed, the third pressing pad 9, the second cable sealing ring 8, the second pressing pad 7, the first cable sealing ring 6 and the first pressing pad 5 are extruded, so that the second cable sealing ring 8 and the first cable sealing ring 6 are deformed under extrusion, and the cable 27 is sealed; when the second lock nut 33 is screwed, the sixth compression pad 32, the fourth cable seal ring 31, the fifth compression pad 30, the third cable seal ring 29 and the fourth compression pad 28 are extruded, so that the fourth cable seal ring 31 and the third cable seal ring 29 are deformed under extrusion, and the cable 27 is sealed; the pressing pads form a supporting function. In the cable butt joint process, one end of one cable sequentially penetrates through a protection gland 11, a protection sealing ring 12, a locking nut 10, a third pressing pad 9, a second cable sealing ring 8, a second pressing pad 7, a first cable sealing ring 6 and a first pressing pad 5; one end of the other cable sequentially passes through a second protection gland 35, a second protection sealing ring 34, a second locking nut 33, a sixth pressing pad 32, a fourth cable sealing ring 31, a fifth pressing pad 30, a third cable sealing ring 29 and a fourth pressing pad 28 respectively. One of the cables is passed through the axial through-hole of the connector body 1, and then two cables are butt-jointed. After butt joint, the joint is placed into a joint chamber 2, a first pressing pad 5, a first cable sealing ring 6, a second pressing pad 7, a second cable sealing ring 8 and a third pressing pad 9 are sequentially moved into a first protruding table stage 3, a locking nut 10 is screwed, a protection sealing ring 12 is moved into an inner cavity of the locking nut 10, and a protection gland 11 is screwed; and sequentially moving the fourth pressing pad 28, the third cable sealing ring 29, the fifth pressing pad 30, the fourth cable sealing ring 31 and the sixth pressing pad 32 into the second protruding step section 4, screwing the second locking nut 33, then moving the second protection sealing ring 34 into the inner cavity of the second locking nut 33, and screwing the second protection gland 35. During the pressing process, gas between each pressing pad and the cable sealing ring can be discharged from the first threaded hole 20, the second threaded hole 21 or the fourth threaded hole 36, so that high-pressure gas does not exist between the pressing pads and the cable sealing ring. The protective sealing ring 12 and the second protective sealing ring 34 exert small pressing force on the cable, and play a role in protecting the cable 27 and properly clamping the cable. Two-stage sealing is formed by two groups of cable sealing rings on two ends of the cable, and different compression amounts of the two groups of cable sealing rings can be adjusted for large submergence depth so as to meet the requirement of pressure change of submergence and recovery.
As shown in fig. 4, after the cable is connected, the plugs of the first threaded hole 20, the second threaded hole 21 and the fourth threaded hole 36 are removed, and the detection joints 26 are respectively replaced. The detection joints on the first threaded hole 20 and the fourth threaded hole 22 are communicated with an external high-pressure air source, and the detection joint on the second threaded hole 21 is connected with an air passing pipeline. During detection, the watertight cable connector is immersed in water, the outlet end of the air passing pipeline is also immersed in water, and high-pressure air is introduced into the first threaded hole 20 and the fourth threaded hole 36. And (4) checking whether bubbles leak out from the outlet end of the gas pipeline, wherein bubbles are leaked, and no bubbles are qualified. The second pressure pad 7 has a first annular groove 23 communicating with the first threaded hole 20, at least one first radial through hole 24 communicating with the first annular groove 23; the fourth pressure pad 28 has a second annular groove 37 communicating with the fourth threaded hole 36, and at least one second radial through hole 38 communicating with the second annular groove 37, so that when high-pressure gas is introduced, the high-pressure gas can enter the gap between each cable seal ring and the connector body 1 and the cable 27, and the presence or absence of leakage at each position can be comprehensively detected. After the detection is qualified, the detection joint 26 is taken out, each plug and each sealing gasket are installed, the plugs can be sealed by thread sealing glue, and double sealing is formed together with the sealing gaskets, so that reliable sealing is guaranteed.
In a further modification, as shown in fig. 3, the watertight cable joint further comprises an insulating sheath 39 attached to the inner wall of the joint body 1. The insulating sheath increases the protection and enhances the protection effect on the cable joint.
According to the technical scheme provided by the invention, the detection can be carried out by arranging a small high-pressure gas cylinder and a water pool, an external tool and a matched facility required in the detection are simple and easy, the detection sealing is reliable, and the detection device can adapt to various environments.
Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the claims of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A watertight cable joint comprises a joint body (1), wherein the joint body (1) is provided with an axial through hole for a cable (27) to pass through, and the axial through hole is provided with a branching chamber/joint chamber (2) positioned in the middle, a first boss stage (3) and a second boss stage (4) which are positioned at the outer sides of two ends of the branching chamber/joint chamber (2); characterized in that the device also comprises a first pressing pad (5) positioned at the end close to the branching chamber/joint chamber (2) in the first protruding platform stage (3), a first cable sealing ring (6) positioned at one side of the first pressing pad (5) far away from the branching chamber/joint chamber (2), a second pressing pad (7) positioned at one side of the first cable sealing ring (6) far away from the branching chamber/joint chamber (2), a second cable sealing ring (8) positioned at one side of the second pressing pad (7) far away from the branching chamber/joint chamber (2), and a third pressing pad (9) positioned at one side of the second cable sealing ring (8) far away from the branching chamber/joint chamber (2), the joint comprises a locking nut (10) connected with the first end of the joint body (1), a protective sealing ring (12) positioned in an inner cavity of the locking nut (10), and a protective gland (11) connected with the locking nut (10); a branching gasket (13) positioned at the end close to the branching chamber/joint chamber (2) in the second projection stage (4), a branching sealing ring (14) positioned at one side of the branching gasket (13) far away from the branching chamber/joint chamber (2), and a branching pressing ring (15) positioned at one side of the branching sealing ring (14) far away from the branching chamber/joint chamber (2); the connector comprises a reducer union (16) with one end connected with the other end of the connector body (1), an electronic cabin or a sealing cabin (17) connected with the other end of the reducer union (16), a first sealing ring (18) arranged between the reducer union (16) and a branching pressing ring (15), a second sealing ring (19) arranged between the reducer union (16) and the electronic cabin or the sealing cabin (17), a first threaded hole (20) arranged on the connector body (1) and located at a second pressing pad (7), a second threaded hole (21) located at a branching chamber/connector chamber (2), a third threaded hole (22) arranged on the sealing cabin (17), and a plug and a sealing pad which are detachably connected with the first threaded hole (20) and the second threaded hole (21) respectively; the second pressing pad (7) is provided with an annular groove (23) communicated with the first threaded hole (20), and at least one radial through hole (24) communicated with the annular groove (23); a joint chamber (25) is arranged in the reducer union (16); the second threaded hole (21) is communicated with the branching chamber/joint chamber (2).
2. Watertight cable joint according to claim 1, characterized by further having a detection joint (26) removably connected with the first threaded hole (20), the second threaded hole (21), the third threaded hole (22); and when the detection joint (26) is installed in the first threaded hole (20) and the second threaded hole (21), the plug is removed.
3. A watertight cable joint comprises a joint body (1), wherein the joint body (1) is provided with an axial through hole for a cable (27) to pass through, and the axial through hole is provided with a branching chamber/joint chamber (2) positioned in the middle, a first boss stage (3) and a second boss stage (4) which are positioned at the outer sides of two ends of the branching chamber/joint chamber (2); characterized in that the device also comprises a first pressing pad (5) positioned at the end close to the branching chamber/joint chamber (2) in the first protruding platform stage (3), a first cable sealing ring (6) positioned at one side of the first pressing pad (5) far away from the branching chamber/joint chamber (2), a second pressing pad (7) positioned at one side of the first cable sealing ring (6) far away from the branching chamber/joint chamber (2), a second cable sealing ring (8) positioned at one side of the second pressing pad (7) far away from the branching chamber/joint chamber (2), and a third pressing pad (9) positioned at one side of the second cable sealing ring (8) far away from the branching chamber/joint chamber (2), the joint comprises a locking nut (10) connected with the first end of the joint body (1), a protective sealing ring (12) positioned in an inner cavity of the locking nut (10), and a protective gland (11) connected with the locking nut (10); a fourth compression pad (28) located at the end of the second projection stage (4) close to the branching chamber/joint chamber (2), a third cable sealing ring (29) located at one side of the branching chamber/joint chamber (2) and far away from the fourth compression pad (28), a fifth compression pad (30) located at one side of the branching chamber/joint chamber (2) and far away from the third cable sealing ring (29), a fourth cable sealing ring (31) located at one side of the branching chamber/joint chamber (2) and far away from the fifth compression pad (30), a sixth compression pad (32) located at one side of the branching chamber/joint chamber (2) and far away from the fourth cable sealing ring (31), a second locking nut (33) connected with the other end of the joint body (1), a second protection sealing ring (34) located in the inner cavity of the second locking nut (33), and a second protection gland (35) connected with the second locking nut (33), a first threaded hole (20) arranged on the joint body (1) and positioned at the second pressing pad (7), a second threaded hole (21) positioned at the branching chamber/joint chamber (2), a fourth threaded hole (36) positioned at the fourth pressing pad (28), and a plug and a sealing pad which are detachably connected with the first threaded hole (20), the second threaded hole (21) and the fourth threaded hole (36) respectively; the second pressing pad (7) is provided with a first annular groove (23) communicated with the first threaded hole (20), and at least one first radial through hole (24) communicated with the first annular groove (23); the fourth pressure pad (28) has a second annular groove (37) communicating with the fourth threaded hole (36), at least a second radial through hole (38) communicating with the second annular groove (37); the second threaded hole (21) is communicated with the joint chamber (2).
4. Watertight cable joint according to claim 3, characterised in that it further comprises an insulating sheath (39) connected to the inner wall of the joint body (1).
5. Watertight cable connector according to claim 3, characterized by a detection connector (26) for the removable connection of the plug, with the first threaded hole (20), the second threaded hole (21) and the fourth threaded hole (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010175366.8A CN111244877B (en) | 2020-03-13 | 2020-03-13 | Watertight cable joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010175366.8A CN111244877B (en) | 2020-03-13 | 2020-03-13 | Watertight cable joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111244877A CN111244877A (en) | 2020-06-05 |
| CN111244877B true CN111244877B (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010175366.8A Active CN111244877B (en) | 2020-03-13 | 2020-03-13 | Watertight cable joint |
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| Country | Link |
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| CN (1) | CN111244877B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6543965B2 (en) * | 2001-08-30 | 2003-04-08 | Ocean Design, Inc. | Underwater cable branching apparatus and method |
| CN2638309Y (en) * | 2003-07-17 | 2004-09-01 | 中国石油天然气集团公司 | High voltage cable joint |
| CN2764031Y (en) * | 2004-11-17 | 2006-03-08 | 中国科学院海洋研究所 | Water sealed connector for cable |
| CN2891426Y (en) * | 2006-03-31 | 2007-04-18 | 广东长园电缆附件有限公司 | Medium voltage cable splicing system |
| CN102356528A (en) * | 2009-01-19 | 2012-02-15 | 泰科电子有限公司 | Covered cable assemblies and methods and systems for forming the same |
| CN104600656A (en) * | 2014-12-29 | 2015-05-06 | 中海石油（中国）有限公司天津分公司 | Watertight connecting device for underground cable connector |
| CN104659729A (en) * | 2013-11-20 | 2015-05-27 | 华为技术有限公司 | Cable waterproof structure and communication product |
| CN206041452U (en) * | 2016-09-21 | 2017-03-22 | 江苏工程职业技术学院 | Waterproof pouring box of cable junction head |
| CN107332196A (en) * | 2017-08-11 | 2017-11-07 | 中国海洋石油总公司 | FPSO single-point submarine cable head waterproof sealing methods |
| EP3439148A1 (en) * | 2017-08-02 | 2019-02-06 | Nidec ASI S.p.A. | Connector assembly for electric motor |
| CN209281023U (en) * | 2018-11-21 | 2019-08-20 | 西安威盛电子科技股份有限公司 | A kind of optical fiber high pressure seal |
| CN209626934U (en) * | 2019-05-16 | 2019-11-12 | 中国水利水电第八工程局有限公司 | A kind of cable seal special joint |
-
2020
- 2020-03-13 CN CN202010175366.8A patent/CN111244877B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6543965B2 (en) * | 2001-08-30 | 2003-04-08 | Ocean Design, Inc. | Underwater cable branching apparatus and method |
| CN2638309Y (en) * | 2003-07-17 | 2004-09-01 | 中国石油天然气集团公司 | High voltage cable joint |
| CN2764031Y (en) * | 2004-11-17 | 2006-03-08 | 中国科学院海洋研究所 | Water sealed connector for cable |
| CN2891426Y (en) * | 2006-03-31 | 2007-04-18 | 广东长园电缆附件有限公司 | Medium voltage cable splicing system |
| CN102356528A (en) * | 2009-01-19 | 2012-02-15 | 泰科电子有限公司 | Covered cable assemblies and methods and systems for forming the same |
| CN104659729A (en) * | 2013-11-20 | 2015-05-27 | 华为技术有限公司 | Cable waterproof structure and communication product |
| CN104600656A (en) * | 2014-12-29 | 2015-05-06 | 中海石油（中国）有限公司天津分公司 | Watertight connecting device for underground cable connector |
| CN206041452U (en) * | 2016-09-21 | 2017-03-22 | 江苏工程职业技术学院 | Waterproof pouring box of cable junction head |
| EP3439148A1 (en) * | 2017-08-02 | 2019-02-06 | Nidec ASI S.p.A. | Connector assembly for electric motor |
| CN109391065A (en) * | 2017-08-02 | 2019-02-26 | 尼得科安萨工业系统有限公司 | Electric motor |
| CN107332196A (en) * | 2017-08-11 | 2017-11-07 | 中国海洋石油总公司 | FPSO single-point submarine cable head waterproof sealing methods |
| CN209281023U (en) * | 2018-11-21 | 2019-08-20 | 西安威盛电子科技股份有限公司 | A kind of optical fiber high pressure seal |
| CN209626934U (en) * | 2019-05-16 | 2019-11-12 | 中国水利水电第八工程局有限公司 | A kind of cable seal special joint |
Non-Patent Citations (1)
| Title |
|---|
| 《浅谈水下电连接器的密封设计》;胡晓东;《机电元件》;20140430(第2014年02期);3-6、54 * |
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| CN111244877A (en) | 2020-06-05 |
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