CN210428208U - Sulfur hexafluoride gas detection pressure control structure - Google Patents
Sulfur hexafluoride gas detection pressure control structure Download PDFInfo
- Publication number
- CN210428208U CN210428208U CN201921961430.4U CN201921961430U CN210428208U CN 210428208 U CN210428208 U CN 210428208U CN 201921961430 U CN201921961430 U CN 201921961430U CN 210428208 U CN210428208 U CN 210428208U
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- China
- Prior art keywords
- pipe
- sets
- rubber sleeve
- sulfur hexafluoride
- pressure control
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 21
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 230000006837 decompression Effects 0.000 claims 2
- 239000007789 gas Substances 0.000 description 23
- 238000000034 method Methods 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a gaseous detection pressure control structure of sulfur hexafluoride, including pressure reduction valve body and two sets of connecting pipe, pressure reduction valve body's both sides are connected with intake pipe and blast pipe respectively, the inboard of intake pipe and blast pipe all is provided with interior screw thread section, the inboard of intake pipe and blast pipe all welds the connection pad, and is two sets of the lateral part of connection pad has all spliced the rubber sleeve, it is two sets of all to constitute between rubber sleeve and intake pipe and the blast pipe and place the chamber, two sets of the outside of connecting pipe all is provided with the external screw thread section, and is two sets of the equal spacing dish of one end of connecting pipe is two sets of the sleeve pipe has all been welded in the outside of spacing dish, and is two sets of the lateral part of spacing dish has all spliced the sealing washer, and is two sets of. The utility model discloses simple and convenient realization relief pressure valve reaches effectual sealedly simultaneously with being connected of outside pipeline.
Description
Technical Field
The utility model relates to a sulfur hexafluoride detects technical field, specifically is sulfur hexafluoride gas detection pressure control structure.
Background
Sulfur hexafluoride is a stable gas which is colorless, odorless, nontoxic and noncombustible, and is widely used for gas insulation of electronic and electrical equipment; smelting and casting processes of non-ferrous metals; sulfur hexafluoride electrical equipment (gas insulated switchgear GIS, gas insulated transformer GIT, long-distance gas insulated pipeline GIL, gas insulated circuit breaker GCB, cable GIC and the like) is widely applied to the field of power transmission and distribution equipment, and the working voltage covers all grades of 35kV to 1200 kV.
When sulfur hexafluoride electrical equipment breaks down, sulfur hexafluoride gas in the equipment is firstly decomposed and undergoes chemical reaction to rapidly generate Hydrogen Fluoride (HF) gas, and then other decomposition products are generated, so that timely detection of the HF gas in the equipment becomes the fastest and effective means for monitoring the operation condition of the sulfur hexafluoride electrical equipment at present, and before detection, pressure reduction treatment needs to be carried out on the sulfur hexafluoride so as to facilitate subsequent detection.
Present pressure control generally is realized through the relief pressure valve, has taken place under the condition of decomposing at sulfur hexafluoride gas, leads to the relief pressure valve to damage easily, but, current relief pressure valve is inconvenient with the being connected of outside pipeline, is unfavorable for changing, influences the use, and the sealed not firm condition appears easily at quick replacement in-process, influences the use.
Disclosure of Invention
An object of the utility model is to provide a gaseous detection pressure control structure of sulfur hexafluoride, simple and convenient realization relief pressure valve reaches effectual sealedly simultaneously with being connected of outside pipeline to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the sulfur hexafluoride gas detection pressure control structure comprises a pressure reducing valve body and two groups of connecting pipes, wherein both sides of the pressure reducing valve body are respectively connected with an air inlet pipe and an air outlet pipe, the inner sides of the air inlet pipe and the exhaust pipe are respectively provided with an internal thread section, the inner sides of the air inlet pipe and the exhaust pipe are respectively welded with connecting discs, the side parts of the two groups of connecting discs are respectively glued with a rubber sleeve, all constitute between rubber sleeve and intake pipe and the blast pipe and place the chamber, it is two sets of the outside of connecting pipe all is provided with interior thread section complex external screw thread section, and is two sets of the equal spacing dish of one end of connecting pipe is two sets of the sleeve pipe has all been welded in the outside of spacing dish, and is two sets of the lateral part of spacing dish all has spliced the sealing washer, and is two sets of the connecting pipe links to each other and is in respectively the inside of placing the chamber with intake pipe and blast pipe respectively, and is two sets of the inner wall of connecting pipe is contradicted with the outer wall.
Preferably, the pressure reducing valve body is an inner piston spring type pressure reducing valve body, and the pressure reducing valve body, the air inlet pipe and the exhaust pipe are of an integrated structure.
Preferably, the limiting blocks are arranged on the outer sides of the air inlet pipe and the air outlet pipe and are opposite to the side portions of the limiting discs.
Preferably, the cross sections of the connecting disc and the limiting disc are both arranged in a circular ring shape, and the inner diameter of the connecting disc is the same as that of the rubber sleeve.
Preferably, the end part of the rubber sleeve is provided with an inwards concave arc part, the inner wall of the rubber sleeve is a smooth surface, and the rubber sleeve is an elastic rubber sleeve.
Preferably, the outer wall of the sealing ring is glued to the inner wall of the sleeve, and the thickness of the sealing ring is not less than 10 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the connecting pipe is pushed out from the inner parts of the air inlet pipe and the exhaust pipe by rotating the connecting pipe, so that the limiting disc and the sleeve pipe are pushed to move, the sealing ring is driven to move, the sealing ring is abutted against an external pipeline, and meanwhile, the sleeve pipe is sleeved on the outer side of the external pipeline, so that the mounting process can be simply and conveniently realized, the operation is convenient, the distance between different external pipelines can be adapted within a certain range, and the use range is enlarged;
2. through the in-process of contradicting at sealing washer and outside pipeline, realize with the sealed of outside pipeline, through the contact of rubber sleeve and connecting tube inner wall, utilize the flexibility that the rubber sleeve has, realize the sealed at internal thread section and external screw thread section position, and then reach effectual sealed, avoid taking place to leak.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial structure of the pressure reducing valve body of the present invention;
fig. 3 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;
fig. 4 is a side view, a cross-sectional view and an enlarged schematic diagram of the connection pad part structure of the present invention.
In the figure: 1. a pressure reducing valve body; 2. a connecting pipe; 3. an air inlet pipe; 4. an exhaust pipe; 5. an internal thread section; 6. a connecting disc; 7. a rubber sleeve; 8. a placement chamber; 9. an external threaded section; 10. a limiting disc; 11. a sleeve; 12. a seal ring; 13. a limiting block; 14. an inwardly concave arc portion.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the pressure control structure for detecting the sulfur hexafluoride gas comprises a pressure reducing valve body 1 and two groups of connecting pipes 2, wherein the two sides of the pressure reducing valve body 1 are respectively connected with a gas inlet pipe 3 and a gas exhaust pipe 4, the pressure reducing valve body 1 is an inner piston spring type pressure reducing valve body, the pressure reducing valve body 1, the gas inlet pipe 3 and the gas exhaust pipe 4 are of an integrated structure, the production and the manufacturing are convenient, the pressure control are convenient, the inner sides of the gas inlet pipe 3 and the gas exhaust pipe 4 are respectively provided with an inner thread section 5, the inner sides of the gas inlet pipe 3 and the gas exhaust pipe 4 are respectively welded with a connecting disc 6, the cross sections of the connecting discs 6 and a limiting disc 10 are respectively arranged in a circular ring shape, the inner diameter of the connecting discs 6 is the same as that of a rubber sleeve 7, the gas circulation is convenient, the side parts of the two groups of connecting discs 6 are, a placing cavity 8 is formed between the rubber sleeve 7 and the air inlet pipe 3 and between the rubber sleeve and the exhaust pipe 4, the outer sides of the air inlet pipe 3 and the exhaust pipe 4 are respectively provided with a limiting block 13, and the limiting blocks 13 are opposite to the side parts of the limiting disc 10, so that the maximum distance of the limiting disc 10 to the pressure reducing valve body 1 is limited conveniently;
referring to fig. 1, 3 and 4, the outer sides of the two sets of connecting pipes 2 are respectively provided with an outer thread section 9 matched with the inner thread section 5, one end of each of the two sets of connecting pipes 2 is respectively provided with a limiting disc 10, the outer sides of the two sets of limiting discs 10 are respectively welded with a sleeve 11, the lateral parts of the two sets of limiting discs 10 are respectively welded with a sealing ring 12, the outer wall of the sealing ring 12 is welded with the inner wall of the sleeve 11, the thickness of the sealing ring 12 is not less than 10mm, which is convenient for sealing after abutting against an external pipeline, the two sets of connecting pipes 2 are respectively connected with the air inlet pipe 3 and the exhaust pipe 4 and are respectively positioned inside the placing cavity 8, and the inner.
The working principle is as follows: when the device is used, the connecting pipe 2 is rotated to be pushed out from the air inlet pipe 3 and the exhaust pipe 4, the limiting disc 10 and the sleeve 11 are pushed to move, the sealing ring 12 is driven to move, the sealing ring 12 is abutted against an external pipeline, and the sleeve 11 is sleeved on the outer side of the external pipeline, so that the mounting process can be simply and conveniently realized, the operation is convenient, the distance between different external pipelines can be adapted within a certain range, and the use range is enlarged;
through the in-process of contradicting at sealing washer 12 and outside pipeline, realize with the sealed of outside pipeline, through the contact of rubber sleeve 7 with connecting pipe 2 inner wall, utilize the flexibility that rubber sleeve 7 has, realize the sealed of internal thread section 5 and external screw thread section 9 position, and then reach effectual sealed, avoid taking place to leak.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Gaseous detection pressure control structure of sulfur hexafluoride, including decompression valve body (1) and two sets of connecting pipe (2), its characterized in that: the both sides of decompression valve body (1) are connected with intake pipe (3) and blast pipe (4) respectively, the inboard of intake pipe (3) and blast pipe (4) all is provided with internal thread section (5), the inboard equal welded connection dish (6) of intake pipe (3) and blast pipe (4), two sets of the lateral part of connection dish (6) all splices rubber sleeve (7), all constitute between rubber sleeve (7) and intake pipe (3) and blast pipe (4) and place chamber (8), two sets of the outside of connecting pipe (2) all is provided with outer screw thread section (9) with internal thread section (5) complex, and is two sets of the equal spacing dish (10) of one end of connecting pipe (2), two sets of sleeve pipe (11) have all been welded in the outside of spacing dish (10), and two sets of the lateral part of spacing dish (10) all has spliced sealing washer (12), and is two sets of connecting pipe (2) link to each other with intake pipe (3) and blast pipe (4) respectively and are in ) The inner walls of the two groups of connecting pipes (2) are respectively butted with the outer wall of the rubber sleeve (7).
2. The sulfur hexafluoride gas detection pressure control structure of claim 1, wherein: the pressure reducing valve body (1) is an inner piston spring type pressure reducing valve body, and the pressure reducing valve body (1), the air inlet pipe (3) and the exhaust pipe (4) are of an integrated structure.
3. The sulfur hexafluoride gas detection pressure control structure of claim 1, wherein: limiting blocks (13) are mounted on the outer sides of the air inlet pipe (3) and the air outlet pipe (4), and the limiting blocks (13) are opposite to the side portions of the limiting discs (10).
4. The sulfur hexafluoride gas detection pressure control structure of claim 1, wherein: the cross sections of the connecting disc (6) and the limiting disc (10) are both arranged in a circular ring shape, and the inner diameter of the connecting disc (6) is the same as that of the rubber sleeve (7).
5. The sulfur hexafluoride gas detection pressure control structure of claim 1, wherein: the end part of the rubber sleeve (7) is provided with an inwards concave arc-shaped part (14), the inner wall of the rubber sleeve (7) is a smooth surface, and the rubber sleeve (7) is an elastic rubber sleeve.
6. The sulfur hexafluoride gas detection pressure control structure of claim 1, wherein: the outer wall of sealing washer (12) bonds with the inner wall of sleeve pipe (11) mutually, the thickness of sealing washer (12) is not less than 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921961430.4U CN210428208U (en) | 2019-11-14 | 2019-11-14 | Sulfur hexafluoride gas detection pressure control structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921961430.4U CN210428208U (en) | 2019-11-14 | 2019-11-14 | Sulfur hexafluoride gas detection pressure control structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210428208U true CN210428208U (en) | 2020-04-28 |
Family
ID=70369569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921961430.4U Expired - Fee Related CN210428208U (en) | 2019-11-14 | 2019-11-14 | Sulfur hexafluoride gas detection pressure control structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210428208U (en) |
-
2019
- 2019-11-14 CN CN201921961430.4U patent/CN210428208U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 |