CN222691283U - A plugging device replacing an insulating sealing cap - Google Patents
A plugging device replacing an insulating sealing cap Download PDFInfo
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- CN222691283U CN222691283U CN202421277659.7U CN202421277659U CN222691283U CN 222691283 U CN222691283 U CN 222691283U CN 202421277659 U CN202421277659 U CN 202421277659U CN 222691283 U CN222691283 U CN 222691283U
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- plug
- sleeve
- front joint
- special hardware
- stopper
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Abstract
本实用新型公开了一种替代绝缘封帽的封堵装置，涉及电力安全领域，包括前接头，所述前接头内部有T型通道，且T型通道由横向通道和竖向通道构成；所述前接头的竖向通道内插接有堵头，且堵头端部设置有专用金具，且专用金具与前接头的横向通道内壁间隙配合；所述专用金具内螺纹连接有变径螺杆，所述前接头的横向通道内插接有套管和塞止头，且套管和塞止头分布在专用金具两侧，并均与变径螺杆螺纹连接。有益效果在于：通过塞止头、专用金具以及变径螺杆的配合使套管无法与前接头分离，且套管表面与前接头内壁紧密贴合、消除气泡，避免局部放电情况出现，该装置拆装方便，能够重复利用。
The utility model discloses a plugging device that replaces an insulating cap, and relates to the field of electric power safety, including a front joint, wherein the front joint has a T-shaped channel inside, and the T-shaped channel is composed of a transverse channel and a vertical channel; a plug is inserted into the vertical channel of the front joint, and a special hardware is provided at the end of the plug, and the special hardware is matched with the inner wall of the transverse channel of the front joint; a reducing screw is connected to the inner thread of the special hardware, and a sleeve and a plug stopper are inserted into the transverse channel of the front joint, and the sleeve and the plug stopper are distributed on both sides of the special hardware, and are both threadedly connected with the reducing screw. The beneficial effect is that the sleeve cannot be separated from the front joint through the cooperation of the plug stopper, the special hardware and the reducing screw, and the surface of the sleeve is tightly fitted with the inner wall of the front joint, bubbles are eliminated, and partial discharge is avoided. The device is easy to disassemble and assemble, and can be reused.
Description
Technical Field
The utility model relates to the technical field of electric power safety, in particular to a plugging device for replacing an insulating sealing cap.
Background
When a part of the loop is not installed or used, the high-voltage cable branch box/ring main unit needs to use an insulating sealing cap to seal the sleeve so as to prevent leakage injury and equipment damage, and after the insulating sealing cap is used for sealing, the insulating sealing cap is large in dismounting difficulty and incomplete in exhaust due to structural characteristics, small bubbles are easily formed on the contact surface of the insulating sealing cap and the sleeve, so that the interface is not tightly attached, the local discharge capacity is increased rapidly until the sealing cap and the sleeve break down, and the loss is great.
Disclosure of utility model
The present utility model aims to provide a plugging device replacing an insulating cap in order to solve the above problems, as described in detail below.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The plugging device for replacing the insulating sealing cap comprises a front connector, wherein a T-shaped channel is arranged in the front connector, and the T-shaped channel consists of a transverse channel and a vertical channel;
A plug is inserted in the vertical channel of the front joint, a special hardware fitting is arranged at the end part of the plug, and the special hardware fitting is in clearance fit with the inner wall of the transverse channel of the front joint;
the special hardware fitting is internally connected with a variable-diameter screw in a threaded manner, a sleeve and a plug stopper are inserted into a transverse channel of the front connector, and the sleeve and the plug stopper are distributed on two sides of the special hardware fitting and are in threaded connection with the variable-diameter screw.
By adopting the plugging device for replacing the insulating sealing cap, the plug is inserted into the front connector, the variable-diameter screw rod is connected to the sleeve in a threaded manner, the sleeve is inserted into the front connector, the variable-diameter screw rod passes through the special hardware fitting, the plug stopper is finally inserted into the front connector, the plug stopper is connected with the variable-diameter screw rod in a threaded manner, and the sleeve cannot be separated from the front connector through the cooperation of the plug stopper, the special hardware fitting and the variable-diameter screw rod;
The part of the front joint corresponding to the plug stopper and the sleeve is tightened through the fastening assembly and the clamp, so that the stability of the connection of the sleeve and the plug stopper with the front joint is improved.
Preferably, the plug, the sleeve and the plug stopper are in clearance fit with the inner wall of the T-shaped channel of the front connector.
Preferably, the special hardware is connected to the end of the plug in a threaded manner.
Preferably, the end of the stopper facing away from the sleeve is provided with a nut.
Preferably, the plug, the sleeve and the plug stopper are all in a truncated cone shape, and opposite ends of the sleeve and the plug stopper are respectively contacted with two sides of the special hardware fitting.
Preferably, an annular groove is formed in the surface of the front connector, a clamp is sleeved on the annular groove, and the clamp corresponds to the sleeve.
Preferably, the front joint surface is provided with a fastening assembly for tightening the part of the front joint corresponding to the stopper.
Preferably, the fastening assembly comprises a fixing ring and a plurality of fixing blocks, the fixing blocks are annularly distributed on the surface of the front joint, the fixing ring is in threaded connection with the surface of the front joint, the circumferential surface of the inner wall of the fixing ring corresponds to the fixing blocks, the top of the fixing blocks is arc, the top of the fixing blocks is higher than the circumferential surface of the inner wall of the fixing ring, the fixing blocks are elastic, and the surface of the fixing ring is provided with a hexagonal sleeve.
The beneficial effects are that:
through stopper, special gold utensil and reducing screw's cooperation messenger sleeve pipe can't separate with the front joint, and sleeve pipe surface and the inseparable laminating of front joint inner wall eliminate the bubble, avoid partial discharge condition to appear, the device easy dismounting can reuse.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is a schematic elevational cross-sectional view of the present utility model;
Fig. 3 is a schematic diagram of an explosive structure according to the present utility model.
The reference numerals are explained as follows:
1. front joint, 2, plug, 3, special hardware fittings, 4, reducing screw, 5, annular groove, 6, clamp, 7, sleeve, 8, fastening component, 9, plug stopper, 10, nut, 11, fixing ring, 12, hexagonal sleeve, 13, fixing block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
Referring to fig. 1-3, the utility model provides a plugging device for replacing an insulating sealing cap, which comprises a front joint 1, wherein a T-shaped channel is arranged in the front joint 1, and the T-shaped channel consists of a transverse channel and a vertical channel;
A plug 2 is inserted in a vertical channel of the front joint 1, a special hardware fitting 3 is arranged at the end part of the plug 2, and the special hardware fitting 3 is in clearance fit with the inner wall of a transverse channel of the front joint 1;
The special hardware fitting 3 is internally and threadedly connected with a reducing screw 4, a sleeve 7 and a stopper 9 are inserted into a transverse channel of the front joint 1, and the sleeve 7 and the stopper 9 are distributed on two sides of the special hardware fitting 3 and are in threaded connection with the reducing screw 4;
The sleeve 7 can not be separated from the front connector 1 through the cooperation of the plug stopper 9, the special fitting 3 and the reducing screw 4, the problem of large partial discharge capacity (the partial discharge failure rate is 17% before the use of the electric performance test and is 1% after the use) is solved, the risk of breakdown of the plugging device and the sleeve is avoided (the breakdown rate before the use is 8% and the breakdown rate after the use is 0%), the power frequency/direct current voltage test, the partial discharge test and the impact voltage test can be carried out after the use, and the parameters meet the technical requirements of GB/T11022-2020, GB/T3906-2020, GB/T12706.1-2020 and GB/T12706.2-2020.
As an alternative embodiment, the plug 2, the sleeve 7 and the plug stopper 9 are all in clearance fit with the inner wall of the T-shaped channel of the front connector 1, so that air can be stopped.
The special hardware fitting 3 is in threaded connection with the end part of the plug 2, so that the special hardware fitting 3 is convenient to install, the special hardware fitting 3 and the plug 2 are separately designed, and the processing and the manufacturing are convenient.
The end of the stopper 9 facing away from the sleeve 7 is provided with a nut 10, the provision of the nut 10 facilitating the use of a tool to rotate the stopper 9.
The plug 2, the sleeve 7 and the plug stopper 9 are all in a round table shape, and opposite ends of the sleeve 7 and the plug stopper 9 are respectively contacted with two sides of the special hardware fitting 3, so that the sealing performance of the plug 2, the sleeve 7 and the plug stopper 9 and the inner wall of the front connector 1 can be improved compared with the columnar design.
The annular groove 5 is formed in the surface of the front connector 1, the annular groove 5 is sleeved with the clamp 6, the clamp 6 corresponds to the sleeve 7, and the clamp 6 is tightened, so that the clamp 6 tightens the front connector 1, and the tightness and the firmness between the sleeve 7 and the front connector 1 are improved.
The front joint 1 is provided with a fastening assembly 8 on the surface for tightening the part of the front joint 1 corresponding to the stopper 9.
The fastening assembly 8 comprises a fixed ring 11 and a plurality of fixed blocks 13, the fixed blocks 13 are annularly distributed on the surface of the front joint 1, the fixed ring 11 is in threaded connection with the surface of the front joint 1, the circumferential surface of the inner wall of the fixed ring 11 corresponds to the fixed blocks 13, the top of the fixed blocks 13 is in an arc shape, the top of the fixed blocks 13 is higher than the circumferential surface of the inner wall of the fixed ring 11, the fixed blocks 13 are elastic, and a hexagonal sleeve 12 is arranged on the surface of the fixed ring 11;
The fixing ring 11 is rotated, so that the fixing ring 11 is close to the fixing block 13, the fixing block 13 is compressed, the reaction force generated by the fixing block 13 acts on the front joint 1, and the connection firmness of the front joint 1 and the stopper 9 is improved.
With the structure, the plug 2 is inserted into the front connector 1, the variable diameter screw 4 is connected to the sleeve 7 in a threaded manner, the sleeve 7 is inserted into the front connector 1, meanwhile, the variable diameter screw 4 passes through the special hardware fitting 3, the plug stopper 9 is finally inserted into the front connector 1, the plug stopper 9 is connected with the variable diameter screw 4 in a threaded manner, and the sleeve 7 cannot be separated from the front connector 1 through the cooperation of the plug stopper 9, the special hardware fitting 3 and the variable diameter screw 4;
The parts of the front joint 1 corresponding to the plug stopper 9 and the sleeve 7 are tightened through the fastening assembly 8 and the clamp 6, so that the stability of the connection of the sleeve 7 and the plug stopper 9 with the front joint 1 is improved.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421277659.7U CN222691283U (en) | 2024-06-06 | 2024-06-06 | A plugging device replacing an insulating sealing cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421277659.7U CN222691283U (en) | 2024-06-06 | 2024-06-06 | A plugging device replacing an insulating sealing cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222691283U true CN222691283U (en) | 2025-03-28 |
Family
ID=95110724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421277659.7U Active CN222691283U (en) | 2024-06-06 | 2024-06-06 | A plugging device replacing an insulating sealing cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222691283U (en) |
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2024
- 2024-06-06 CN CN202421277659.7U patent/CN222691283U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20250402 Address after: 410000 No. 223, tongzipo West Road, Lugu Industrial Park, high tech Development Zone, Changsha, Hunan Patentee after: Long Cable Technology Group Co.,Ltd. Country or region after: China Patentee after: Hunan Changxian Electric Co.,Ltd. Address before: Building 4, No. 1398, Section 1, Purui West Road, Wangcheng Economic and Technological Development Zone, Changsha City, Hunan Province 410200 Patentee before: Hunan Changxian Electric Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |