CN215897275U - Cable intermediate head with waterproof construction - Google Patents
Cable intermediate head with waterproof construction Download PDFInfo
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- CN215897275U CN215897275U CN202122104921.0U CN202122104921U CN215897275U CN 215897275 U CN215897275 U CN 215897275U CN 202122104921 U CN202122104921 U CN 202122104921U CN 215897275 U CN215897275 U CN 215897275U
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- sleeve
- stress cone
- butt joint
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Abstract
The utility model relates to the technical field of cable intermediate connectors, in particular to a cable intermediate connector with a waterproof structure, which comprises a first waterproof sleeve and a second waterproof sleeve, wherein an internal thread groove is formed in one end of the interior of the first waterproof sleeve, a corresponding external thread head is fixedly installed at one end of the second waterproof sleeve, and the external thread head can be matched with the internal thread groove; the inside other end fixed mounting of first waterproof cover has first stress cone, and the inside other end fixed mounting of second waterproof cover has the second stress cone, and the inside card of second stress cone is equipped with the second cable, and first waterproof cover internally mounted has the butt joint subassembly, first cable and the switch-on of second cable accessible butt joint subassembly. The utility model can carry out good sealing protection on the cable, thereby greatly improving the integral waterproof effect.
Description
Technical Field
The utility model relates to the technical field of cable intermediate connectors, in particular to a cable intermediate connector with a waterproof structure.
Background
The middle joint of the power cable is an important component of a cable line, but because the cable accessories are a multi-layer solid composite medium insulation and sealing structure, compared with the power cable, the power cable is more complex and needs to be manufactured and installed on site manually, and the power cable is in severe operating conditions or even soaked in water for a long time, so that the middle joint of the power cable often becomes a weak link in the cable line due to the series of problems of loose connection of conductor connecting pipes, eccentric connecting pipes, imperfect joint sealing and water proofing, insufficient mechanical strength and the like; the operation experience of the system shows that most of cable faults are related to cable accessories, wherein the fault rate of a cable middle joint is the highest;
shrink shrinkage intermediate head behind the crimping connecting pipe among the prior art on the cable, then general way is directly twined waterproof area and armor area, and this kind of way can lead to the water-proof effects not good, has moisture to get into very easily to arouse the joint short circuit, bring huge loss for the user.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defect of poor waterproof effect in the prior art, and provides a cable intermediate joint with a waterproof structure.
In order to achieve the purpose, the utility model adopts the following technical scheme:
designing a cable intermediate joint with a waterproof structure, which comprises a first waterproof sleeve and a second waterproof sleeve, wherein an internal thread groove is formed in one end of the interior of the first waterproof sleeve, a corresponding external thread head is fixedly installed at one end of the second waterproof sleeve, and the external thread head can be matched with the internal thread groove; the waterproof structure is characterized in that a first stress cone is fixedly mounted at the other end inside the first waterproof sleeve, a first cable is arranged in the first stress cone in a clamped mode, a second stress cone is fixedly mounted at the other end inside the second waterproof sleeve, a second cable is arranged in the second stress cone in a clamped mode, a butt joint assembly is mounted inside the first waterproof sleeve, and the first cable is communicated with the second cable through the butt joint assembly.
Preferably, a first heat-shrinkable sealing ring is fixedly installed inside the first waterproof sleeve, and the first heat-shrinkable sealing ring is sleeved on the first cable; and a second thermal shrinkage sealing ring is fixedly arranged in the second waterproof sleeve, and the second thermal shrinkage sealing ring is sleeved on the second cable.
Preferably, the butt joint assembly comprises a shielding sleeve, the shielding sleeve is fixedly installed on the inner side of the first waterproof sleeve, and a butt joint is fixedly installed on the inner side of the shielding sleeve.
Preferably, cable clamping grooves matched with the first cable and the second cable are respectively formed in two sides of the butt joint, a plurality of penetrating cable core connecting grooves are formed in the cable clamping grooves, and cable cores of the first cable and the second cable can be connected through the cable core connecting grooves.
The utility model provides a cable intermediate joint with a waterproof structure, which has the beneficial effects that:
1. the first waterproof sleeve and the second waterproof sleeve can be disassembled and assembled through the matching of the external thread head and the internal thread groove, so that the damaged accessories can be conveniently replaced through cable connection, and the maintenance cost is saved;
2. first stress awl and second stress awl can carry out fine sealing to the cable, effectively avoid outside water infiltration to reach water-proof effects, in addition, first pyrocondensation sealing washer and second pyrocondensation sealing washer can seal the protection to the cable through temperature variation, have further promoted holistic water-proof effects.
Drawings
Fig. 1 is a schematic structural view of a cable intermediate joint having a waterproof structure according to the present invention;
fig. 2 is a schematic view of the internal structure of a first waterproof jacket of a cable intermediate joint with a waterproof structure according to the present invention;
fig. 3 is a schematic view of the internal structure of a second waterproof jacket of a cable intermediate joint with a waterproof structure according to the present invention;
fig. 4 is a schematic structural diagram of a docking assembly of a cable intermediate joint having a waterproof structure according to the present invention.
In the figure: the cable comprises a first waterproof jacket 1, an internal thread groove 11, a first stress cone 12, a first heat-shrinkable sealing ring 13, a second waterproof jacket 2, an external thread head 21, a second heat-shrinkable sealing ring 22, a second stress cone 23, a first cable 3, a second cable 4, a butt joint component 5, a shielding jacket 51, a butt joint head 52, a cable clamping groove 53 and a cable core connecting groove 54.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1:
referring to fig. 1-3, a cable intermediate joint with a waterproof structure comprises a first waterproof jacket 1 and a second waterproof jacket 2, wherein an internal thread groove 11 is formed at one end inside the first waterproof jacket 1, a corresponding external thread head 21 is fixedly installed at one end of the second waterproof jacket 2, and the external thread head 21 can be matched with the internal thread groove 11; the first waterproof sleeve 1 and the second waterproof sleeve 2 can be detached and installed through the matching of the external thread head 21 and the internal thread groove 11, so that the damaged accessories can be replaced conveniently through cable connection, and the maintenance cost is saved.
A first stress cone 12 is fixedly installed at the other end inside the first waterproof sleeve 1, a first cable 3 is clamped in the first stress cone 12, a second stress cone 23 is fixedly installed at the other end inside the second waterproof sleeve 2, a second cable 4 is clamped in the second stress cone 23, a butt joint component 5 is installed inside the first waterproof sleeve 1, and the first cable 3 and the second cable 4 can be communicated through the butt joint component 5; a first thermal shrinkage sealing ring 13 is fixedly arranged in the first waterproof sleeve 1, and the first thermal shrinkage sealing ring 13 is sleeved on the first cable 3; a second thermal shrinkage sealing ring 22 is fixedly arranged in the second waterproof sleeve 2, and the second thermal shrinkage sealing ring 22 is sleeved on the second cable 4; first stress cone 12 and second stress cone 23 can carry out fine sealing to the cable, effectively avoid outside water infiltration to reach water-proof effects, in addition, first pyrocondensation sealing washer 13 and second pyrocondensation sealing washer 22 can seal the protection to the cable through temperature variation, have further promoted holistic water-proof effects.
Example 2:
referring to fig. 1 to 4, as another preferred embodiment of the present invention, it is different from embodiment 1 in that the docking assembly 5 includes a shielding sleeve 51, and the shielding sleeve 51 can effectively protect the cable from external electromagnetic interference; the shielding sleeve 51 is fixedly arranged on the inner side of the first waterproof sleeve 1, the butt joint 52 is fixedly arranged on the inner side of the shielding sleeve 51, cable clamping grooves 53 matched with the first cable 3 and the second cable 4 are respectively formed in two sides of the butt joint 52, a plurality of penetrating cable core connecting grooves 54 are formed in the cable clamping grooves 53, and the cable cores of the first cable 3 and the second cable 4 can be connected through the cable core connecting grooves 54. The first cable 3 and the second cable 4 are clamped in the corresponding cable clamping grooves 53 to be fixed, and meanwhile, the cable cores of the first cable 3 and the second cable 4 are communicated through the cable core connecting grooves 54, so that the operation is safer and more convenient.
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 equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (4)
1. A cable intermediate joint with a waterproof structure comprises a first waterproof sleeve (1) and a second waterproof sleeve (2), and is characterized in that an internal thread groove (11) is formed in one end of the interior of the first waterproof sleeve (1), a corresponding external thread head (21) is fixedly installed at one end of the second waterproof sleeve (2), and the external thread head (21) can be matched with the internal thread groove (11); the waterproof structure is characterized in that a first stress cone (12) is fixedly mounted at the other end inside the first waterproof sleeve (1), a first cable (3) is arranged in the first stress cone (12) in a clamped mode, a second stress cone (23) is fixedly mounted at the other end inside the second waterproof sleeve (2), a second cable (4) is arranged in the second stress cone (23) in a clamped mode, a butt joint component (5) is mounted inside the first waterproof sleeve (1), and the first cable (3) is communicated with the second cable (4) through the butt joint component (5).
2. The intermediate joint of the cable with the waterproof structure according to claim 1, wherein a first heat-shrinkable sealing ring (13) is fixedly installed inside the first waterproof jacket (1), and the first heat-shrinkable sealing ring (13) is sleeved on the first cable (3); a second thermal shrinkage sealing ring (22) is fixedly mounted inside the second waterproof sleeve (2), and the second thermal shrinkage sealing ring (22) is sleeved on the second cable (4).
3. A cable intermediate joint with waterproof structure according to claim 1, characterized in that the butt joint component (5) comprises a shielding sleeve (51), the shielding sleeve (51) is fixedly installed inside the first waterproof sleeve (1), and the butt joint (52) is fixedly installed inside the shielding sleeve (51).
4. The cable intermediate joint with the waterproof structure according to claim 3, wherein cable clamping grooves (53) matched with the first cable (3) and the second cable (4) are respectively formed in two sides of the butt joint (52), a plurality of penetrating cable core connecting grooves (54) are formed in the cable clamping grooves (53), and cable cores of the first cable (3) and the second cable (4) can be connected through the cable core connecting grooves (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122104921.0U CN215897275U (en) | 2021-09-02 | 2021-09-02 | Cable intermediate head with waterproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122104921.0U CN215897275U (en) | 2021-09-02 | 2021-09-02 | Cable intermediate head with waterproof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215897275U true CN215897275U (en) | 2022-02-22 |
Family
ID=80340796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122104921.0U Active CN215897275U (en) | 2021-09-02 | 2021-09-02 | Cable intermediate head with waterproof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215897275U (en) |
-
2021
- 2021-09-02 CN CN202122104921.0U patent/CN215897275U/en active Active
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