CN220102859U - Sealing structure of air cylinder for SF6 gas insulation switch equipment - Google Patents
Sealing structure of air cylinder for SF6 gas insulation switch equipment Download PDFInfo
- Publication number
- CN220102859U CN220102859U CN202321107991.4U CN202321107991U CN220102859U CN 220102859 U CN220102859 U CN 220102859U CN 202321107991 U CN202321107991 U CN 202321107991U CN 220102859 U CN220102859 U CN 220102859U
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- sealing strip
- sealing
- flange
- equipment
- gas
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- 238000007789 sealing Methods 0.000 title claims abstract description 95
- 238000009413 insulation Methods 0.000 title abstract description 7
- 238000010030 laminating Methods 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 10
- 239000002390 adhesive tape Substances 0.000 claims description 5
- 230000008033 biological extinction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides an SF6 gas insulated switchgear is with gas receiver seal structure, includes the barrel, and processing has the equipment erection mouth on the barrel, and equipment erection mouth periphery is provided with flange, flange and external equipment's erection flange connection, equipment erection mouth drill way department surface processing has round recess, and the recess surface is provided with the sealing strip and seals, the sealing strip includes first sealing strip and second sealing strip, and first sealing strip and second sealing strip are "people" style of calligraphy setting, have the contained angle between first sealing strip and the second sealing strip, the sealing strip is connected between flange and erection flange, and first sealing strip and second sealing strip open respectively with flange and erection flange laminating to both sides, form sealedly. According to the sealing structure of the air cylinder for the SF6 gas insulation switch equipment, the groove is machined on the flange, the groove is sealed through the sealing strip, gas leakage caused by distortion is avoided by adopting the sealing strip, and the sealing structure is convenient to install and smooth in sealing.
Description
Technical Field
The utility model relates to the field of gas-insulated switchgear, in particular to a gas storage cylinder sealing structure for SF6 gas-insulated switchgear.
Background
The gas storage cylinder for the gas-insulated switchgear is internally provided with a switchgear, SF6 gas is stored in the gas storage cylinder, the SF6 gas is used as a medium for insulation and arc extinction, the switchgear in the gas storage cylinder can be well protected, a device mounting opening is processed on the gas storage cylinder, the device mounting opening is connected with external devices through a flange, such as a Chinese patent with the publication number of CN206023028U and the name of a metal cylinder for the SF6 gas-insulated switchgear, wherein sealing rings are arranged at two ends of a transverse container, namely, the sealing rings are sealed during installation, and the sealing rings are annular rubber rings, so that kinking deformation is easy to occur in the extrusion process, local overturning and twist deformation occur on the sealing rings, plastic deformation is uneven along the circumferential surface, irregular grooves, bulges and the like are locally occurred, and poor sealing is caused.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a sealing structure of an air cylinder for SF6 gas insulation switch equipment aiming at the defects of the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides an SF6 gas insulated switchgear is with gas receiver seal structure, includes the barrel, and processing has the equipment erection mouth on the barrel, and equipment erection mouth periphery is provided with flange, flange and external equipment's erection flange connection, equipment erection mouth drill way department surface processing has round recess, and the recess surface is provided with the sealing strip and seals, the sealing strip includes first sealing strip and second sealing strip, and first sealing strip and second sealing strip are "people" style of calligraphy setting, have the contained angle between first sealing strip and the second sealing strip, the sealing strip is connected between flange and erection flange, and first sealing strip and second sealing strip open respectively with flange and erection flange laminating to both sides, form sealedly.
Further, the end part of the first sealing edge is provided with a wrapping edge, and the wrapping edge wraps the periphery of the equipment installation opening.
Further, the included angle between the first sealing edge and the second sealing edge is controlled to be 5-10 degrees.
Further, the surface of the first sealing edge is provided with double faced adhesive tape.
Further, the sealing strip is of a through-length structure, and the sealing strip is cut to a proper length according to the outer circumference of the equipment mounting opening.
Compared with the prior art, the sealing structure of the air cylinder for the SF6 gas insulation switch equipment has the advantages that the groove is formed in the flange, the groove is sealed through the sealing strip, gas leakage caused by distortion is avoided through the sealing strip, and the sealing structure is convenient to install and smooth in sealing.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the sealing strip of the present utility model;
FIG. 3 is a schematic view of the structure of the air reservoir of the present utility model;
the sealing device comprises a cylinder body, a device mounting port, a connecting flange, a mounting flange, a groove, a sealing strip, 611, a first sealing edge, 612, a second sealing edge, 613, double faced adhesive tape, 614 and a wrapping edge, wherein the cylinder body is provided with the device mounting port, the connecting flange, the mounting flange, the groove, the sealing strip, 611 and the first sealing edge.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below.
As shown in fig. 1 to 3, the sealing structure of the air cylinder for the SF6 gas insulation switch equipment comprises a cylinder body 1, wherein the cylinder body 1 is internally provided with switch equipment, an equipment installation opening 2 is processed on the cylinder body 1, a connecting flange 3 is arranged on the periphery of the equipment installation opening 2, connecting holes are uniformly distributed on the periphery of the connecting flange 3, the connecting holes on the periphery of the connecting flange 3 are connected with an installation flange 4 of external equipment by utilizing the connecting flange 3 and the connecting holes on the periphery of the connecting flange 3, a circle of groove 5 is processed on the surface of an orifice of the equipment installation opening 2, the groove 5 is milled by a milling machine, the surface is smooth, sealing strips are arranged on the surface of the groove 5, and when the cylinder body 1 is installed with the external equipment, the connecting flange 3 and the installation flange 4 are sealed by the sealing strips 6, so that SF6 gas is prevented from leaking from the cylinder body.
The sealing strip 6 is of a through-length structure, the sealing strip 6 comprises a first sealing edge 611 and a second sealing edge 612, the first sealing edge 611 and the second sealing edge 612 are arranged in a Y shape, an included angle between the first sealing edge 611 and the second sealing edge 612 is controlled to be 5-10 degrees, when the sealing strip is used, the sealing strip 6 with a proper length is cut according to the outer circumference of the equipment mounting opening 2, the sealing strip 6 is placed at a groove of the connecting flange 3, a double faced adhesive tape 613 is arranged on the surface of the first sealing edge 611, a film on the surface of the double faced adhesive tape is torn, the sealing strip 6 is attached to the surface of the groove 5, and then the outer mounting flange is connected.
The end of the first sealing edge 611 is provided with a wrapping edge 614, and when the sealing strip is installed, the wrapping edge 614 wraps the periphery of the equipment installation opening 2, so that the sealing performance of the sealing strip 6 is further improved.
The utility model is not limited to the embodiments described, but a person skilled in the art may make modifications or changes without departing from the spirit of the utility model, i.e. the scope of the disclosure, and the scope of the utility model is defined by the claims.
Claims (5)
1. The utility model provides an SF6 gas insulated switchgear is with gas receiver seal structure, includes the barrel, and processing has the equipment erection mouth on the barrel, and equipment erection mouth periphery is provided with flange, flange and external equipment's erection flange connection, its characterized in that: the surface processing of equipment installation mouth drill way department has the round recess, and the recess surface is provided with the sealing strip and seals, the sealing strip includes first sealing strip and second sealing strip, and first sealing strip and second sealing strip are "people" style of calligraphy setting, have the contained angle between first sealing strip and the second sealing strip, the sealing strip is connected between flange and mounting flange, and first sealing strip and second sealing strip open respectively with flange and mounting flange laminating to both sides, form sealedly.
2. The gas cylinder sealing structure for SF6 gas insulated switchgear of claim 1, wherein: the end part of the first sealing edge is provided with a wrapping edge, and the wrapping edge wraps the periphery of the equipment installation opening.
3. The gas cylinder sealing structure for SF6 gas insulated switchgear of claim 1, wherein: and the included angle between the first sealing edge and the second sealing edge is controlled to be 5-10 degrees.
4. The gas cylinder sealing structure for SF6 gas insulated switchgear of claim 1, wherein: the surface of the first sealing edge is provided with double faced adhesive tape.
5. The gas cylinder sealing structure for SF6 gas insulated switchgear of claim 1, wherein: the sealing strip is of a through-length structure, and the sealing strip is cut to a proper length according to the outer circumference of the equipment mounting opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321107991.4U CN220102859U (en) | 2023-05-10 | 2023-05-10 | Sealing structure of air cylinder for SF6 gas insulation switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321107991.4U CN220102859U (en) | 2023-05-10 | 2023-05-10 | Sealing structure of air cylinder for SF6 gas insulation switch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220102859U true CN220102859U (en) | 2023-11-28 |
Family
ID=88882873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321107991.4U Active CN220102859U (en) | 2023-05-10 | 2023-05-10 | Sealing structure of air cylinder for SF6 gas insulation switch equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220102859U (en) |
-
2023
- 2023-05-10 CN CN202321107991.4U patent/CN220102859U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |