CN216389864U - Sealing device for butt joint of cable ends - Google Patents
Sealing device for butt joint of cable ends Download PDFInfo
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- CN216389864U CN216389864U CN202123172492.7U CN202123172492U CN216389864U CN 216389864 U CN216389864 U CN 216389864U CN 202123172492 U CN202123172492 U CN 202123172492U CN 216389864 U CN216389864 U CN 216389864U
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Abstract
The utility model discloses a sealing device for butt joint of cable ends, which comprises a joint pipe body, wherein the joint body is a hollow pipe with openings at two ends, two ends of the joint pipe body are respectively provided with a sealing cap, and each sealing cap is provided with a Glan head. The sealing device for butt joint of the cable ends is suitable for butt joint of exposed ends of two cables, is simple to operate, has good sealing and locking effects on the cables, and particularly can bear high voltage in a normal working state and high water pressure on the seabed for submarine cables.
Description
Technical Field
The utility model relates to the technical field of cable connection, in particular to a sealing device for butt joint of cable ends.
Background
The glan head is named Cable gland in English, is also named as a Cable clamp tight sealing joint, a Cable waterproof joint, a Cable fixed head (Cable fixed head) and the like, is generally arranged at the joint of a Cable and electrical equipment, and plays roles of introducing the Cable, fixing the position, sealing and explosion suppression; and meanwhile, the cable is locked, so that the cable does not generate axial displacement and radial rotation, and the normal connection of the cable is ensured. The Glan head is widely applied to fixing and protecting wires and cables of mechanical equipment electrical equipment, ship electrical equipment and corrosion-resistant equipment.
However, the current glan head is mostly installed at the connection of the cable and the electrical equipment, and the exposed ends of the two cables cannot be butted. Especially for submarine cables, after the exposed ends of the two cables are butted, the cables are not only required to bear high voltage in a normal working state, but also required to be in service in a submarine high-water-pressure environment, namely, the requirement on sealing property is high. The existing cable sealing devices such as the gland head are difficult to be sufficient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sealing device for butting cable ends, which is used for solving the problem that a cable sealing device which can butt the exposed ends of two cables and ensure the sealing performance is lacked at present.
The utility model provides a sealing device for butt joint of cable ends, which is used for butt joint of exposed ends of two cables and comprises a joint body, wherein the joint body is a hollow pipe with openings at two ends; wherein, the joint where the exposed ends of the two cables are butted is arranged in the joint body; the exposed ends of the two cables are sealed by sealing caps at two ends of the connector body and locked by the gland heads respectively.
Preferably, the junction of each sealing cap and the fitting body is sealed by a conical sealing ring.
Preferably, the inner diameter parts at two ends of the joint body protrude outwards along the axial direction to form inner flanges respectively, and outer walls of the inner flanges are provided with external threads; the inner wall of the inner flange is linearly enlarged from inside to outside to form an inner conical surface; the two ends of the sealing cap are respectively provided with a flange butt joint part and a pipe body butt joint part, the outer diameter part of the pipe body butt joint part protrudes outwards along the axial direction to form an outer flange, the outer flange encloses a tapered sealing ring groove which can just contain a tapered sealing ring, and the inner wall of the tapered sealing ring groove is provided with internal threads; the two conical sealing rings are respectively arranged in the conical sealing ring grooves of the butt joint part of the pipe body of the sealing cap corresponding to the two conical sealing rings, and the two conical sealing rings are respectively matched with the inner conical surfaces of the two inner flanges in a fitting manner; and the two sealing caps are screwed respectively, and the internal threads of the conical sealing ring grooves of the butt joint parts of the pipe bodies of the two sealing caps are in interference fit with the external threads of the two inner flanges respectively, so that the cable is sealed.
Preferably, a gasket is arranged between the conical sealing ring and the sealing cap.
Preferably, the shim thickness is 2 mm.
Preferably, a sealing ring is arranged between the joint body and the sealing cap.
Preferably, when the exposed end of the cable passes through the wire tube hole of the gland head, the gland head and the sealing cap are screwed tightly to fix and lock the exposed end of the cable.
Preferably, the glan head is a metal glan head.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model discloses a sealing device for butt joint of cable ends, wherein a joint where exposed ends of two cables are in butt joint is arranged in a joint body, the exposed ends of the two cables are respectively sealed by sealing caps and locked by Glan heads at two ends of the joint body, and the sealing performance of the cables is ensured by a conical sealing ring, a gasket and a sealing ring. The sealing device for butt joint of the cable ends is suitable for butt joint of exposed ends of two cables, is simple to operate, has good sealing and locking effects on the cables, and particularly can bear high voltage in a normal working state and high water pressure on the seabed for submarine cables.
Drawings
Fig. 1 is an exploded view of a sealing device for end-to-end splicing of cables according to example 1 of the present invention;
fig. 2 is a schematic structural diagram of a sealing cap provided in embodiment 1 of the present invention.
Description of reference numerals: 1-joint body, 2-sealing cap, 21-Glan joint butt joint part, 22-pipe butt joint part, 3-Glan joint, 4-conical sealing ring, 5-gasket, 6-sealing ring, 100-inner conical surface, 101-internal thread and 102-external thread.
Detailed Description
The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
Example 1
Embodiment 1 provides a sealing device for end-to-end mating of two cables, the structure of which is described below with reference to the accompanying drawings.
Referring to fig. 1, the sealing device for butt joint of cable ends comprises a joint body 1, the joint body 1 is a hollow tube with two open ends, two sealing caps 2 are respectively arranged at two ends of the joint body 1, and a glan head 3 is arranged on each sealing cap 2.
Wherein, the joint where the exposed ends of the two cables are butted is arranged in the joint body 1;
the exposed ends of the two cables are respectively sealed by sealing caps 2 at the two ends of the connector body 1 and locked by the gland heads 3.
Specifically, the left glan head 3, the left sealing cap 2, the left taper seal ring 4, the joint body 1, the right taper seal ring 4, the right sealing cap 2, and the right glan head 3 are sequentially arranged from left to right.
In order to ensure the sealing performance, the joint of each sealing cap 2 and the joint body 1 is sealed by a conical sealing ring 4.
Specifically, inner diameter portions at two ends of the joint body 1 protrude outwards along the axial direction to form inner flanges 11 respectively, and outer walls of the inner flanges 11 are provided with external threads 102; the inner wall of the inner flange 11 is linearly enlarged from inside to outside to form an inner conical surface 100;
referring to fig. 2, two ends of the sealing cap 2 are respectively provided with a flange butt joint portion 21 and a pipe butt joint portion 22, an outer diameter portion of the pipe butt joint portion 22 protrudes outward along an axial direction to form an outer flange, the outer flange encloses a tapered sealing ring groove capable of accommodating the tapered sealing ring, and an inner wall of the tapered sealing ring groove is provided with an inner thread 101;
the two conical sealing rings 4 are respectively arranged in the conical sealing ring grooves of the pipe body butt joint part 22 of the sealing cap 2 corresponding to the two conical sealing rings 4, and the two conical sealing rings 4 are respectively matched with the inner conical surfaces 100 of the two inner flanges 11 in a fitting manner; the two sealing caps 2 are respectively screwed, and the internal threads 101 of the tapered sealing ring grooves of the pipe body butting parts 22 of the two sealing caps 2 are respectively in interference fit with the external threads 102 of the two inner flanges 11, so that the cable is sealed.
In order to further improve the sealing performance between the conical sealing ring 4 and the sealing cap 2, a gasket 5 is arranged between the conical sealing ring 4 and the sealing cap 2, and specifically, the gasket 5 is arranged at the contact part of the conical sealing ring 4 and the end surface of the conical sealing ring groove.
In order to improve the sealing performance of the sealing cap 2 and the joint body 1, a sealing ring 6 is disposed between the joint body 1 and the sealing cap 2, and specifically, a sealing ring 6 is disposed at a junction of each inner flange 11 of the joint body 1 and an outer flange of the pipe body butt joint portion 22 of the sealing cap 2.
When the exposed end of the cable passes through the wire tube hole of the gland head 3, with continued reference to fig. 2, the gland head 3 and the gland head butt-joint part 21 of the sealing cap 2 are in threaded connection to fixedly lock the exposed end of the cable, even if the cable does not generate axial displacement and radial rotation, so as to ensure the normal connection of the cable.
Specifically, the glan head 3 is provided with a flange, an external thread 102 is arranged on the flange, the glan head butt-joint part 21 comprises a flange groove, an internal thread 101 is arranged on the inner wall of the flange groove, when the exposed end of the cable passes through the wire tube hole of the glan head 3, the flange of the glan head 3 is arranged in the flange groove of the glan head butt-joint part 21 of the sealing cap 2, the glan head 3 is rotated, the internal thread 101 of the flange groove of the glan head butt-joint part 21 of the sealing cap 2 is screwed with the external thread 102 of the flange of the glan head 3, and therefore the exposed end of the cable is fixedly locked.
Specifically, the spacer 5 is 2mm thick.
The material of the taper seal ring 3 is fluororubber, and the material of the seal ring 6 is fluororubber.
Preferably, the glan head 3 is a metal glan head.
Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.
Claims (8)
1. A sealing device for butt joint of cable ends is used for butt joint of exposed ends of two cables and is characterized by comprising a joint body (1),
the joint body (1) is a hollow pipe with two open ends, two ends of the joint body (1) are respectively provided with a sealing cap (2),
each sealing cap (2) is provided with a Glan head (3);
wherein, the joint where the exposed ends of the two cables are butted is arranged in the joint body (1);
the exposed ends of the two cables are sealed by sealing caps (2) at the two ends of the connector body (1) and locked by the gland heads (3) respectively.
2. The cable end butt seal apparatus according to claim 1,
the joint of each sealing cap (2) and the joint body (1) is sealed by a conical sealing ring (4).
3. The cable end butt seal apparatus according to claim 2,
inner diameter parts at two ends of the joint body (1) protrude outwards along the axial direction to form inner flanges (11), and outer walls of the inner flanges (11) are provided with external threads (102);
the inner wall of the inner flange (11) is linearly enlarged from inside to outside to form an inner conical surface (100);
two ends of the sealing cap (2) are respectively provided with a flange head butt joint part (21) and a pipe body butt joint part (22), the outer diameter part of the pipe body butt joint part (22) protrudes outwards along the axial direction to form an outer flange, the outer flange encloses a conical sealing ring groove which can just contain a conical sealing ring, and the inner wall of the conical sealing ring groove is provided with internal threads (101);
the two conical sealing rings (4) are respectively arranged in the conical sealing ring grooves of the pipe body butt joint part (22) of the sealing cap (2) corresponding to the two conical sealing rings, and the two conical sealing rings (4) are respectively matched with the inner conical surfaces (100) of the two inner flanges (11) in a fitting manner; and the two sealing caps (2) are respectively screwed, and the internal threads (101) of the conical sealing ring grooves of the pipe body butt joint parts (22) of the two sealing caps (2) are respectively in interference fit with the external threads (102) of the two inner flanges (11), so that the cable is sealed.
4. A sealing device for cable end butt joint according to claim 3,
a gasket (5) is arranged between the conical sealing ring (4) and the sealing cap (2).
5. The cable end butt seal apparatus according to claim 4,
the thickness of the gasket (5) is 2 mm.
6. A sealing device for cable end butt joint according to claim 3,
a sealing ring (6) is arranged between the joint body (1) and the sealing cap (2).
7. A sealing device for cable end butt joint according to claim 3,
when the exposed end of the cable passes through the wire tube hole of the gland head (3), the gland head (3) and the sealing cap (2) are screwed tightly to fix and lock the exposed end of the cable.
8. The cable end butt seal apparatus according to claim 1,
the gland head (3) is a metal gland head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123172492.7U CN216389864U (en) | 2021-12-16 | 2021-12-16 | Sealing device for butt joint of cable ends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123172492.7U CN216389864U (en) | 2021-12-16 | 2021-12-16 | Sealing device for butt joint of cable ends |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216389864U true CN216389864U (en) | 2022-04-26 |
Family
ID=81236291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123172492.7U Active CN216389864U (en) | 2021-12-16 | 2021-12-16 | Sealing device for butt joint of cable ends |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216389864U (en) |
-
2021
- 2021-12-16 CN CN202123172492.7U patent/CN216389864U/en active Active
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