CN201992149U - Low-temperature safety valve - Google Patents
Low-temperature safety valve Download PDFInfo
- Publication number
- CN201992149U CN201992149U CN2011200323476U CN201120032347U CN201992149U CN 201992149 U CN201992149 U CN 201992149U CN 2011200323476 U CN2011200323476 U CN 2011200323476U CN 201120032347 U CN201120032347 U CN 201120032347U CN 201992149 U CN201992149 U CN 201992149U
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- China
- Prior art keywords
- valve
- flap
- hole
- valve body
- safety valve
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- Expired - Fee Related
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Abstract
The utility model discloses a low-temperature safety valve, which comprises a valve body, a valve flap, an adjusting block and a spring, wherein the valve flap is arranged inside the valve body; the adjusting block is arranged at the liquid outlet end of the interior of the valve body; and the spring is arranged between the valve flap and the adjusting block. A valve hole penetrating through the valve body is formed inside the valve body, a valve flap stop surface is arranged on the valve hole, a blind hole is formed at the liquid inlet end of the valve flap, radial flow guide holes are uniformly formed at the bottom of the wall of the blind hole in the circumferential direction, a liquid outlet hole communicating with the radial through holes is arranged at the liquid outlet end of the valve flap, spring positioning stepped surfaces are respectively arranged on the liquid outlet hole of the valve flap and the axial through hole of the adjusting block, and a filter screen is arranged at the liquid inlet of the blind hole of the valve flap. Since the filter screen is arranged at the liquid inlet of the blind hole of the valve flap of the safety valve, the garbage in a pipeline is blocked; and the safety valve can achieve effective sealing after tripping, thereby prolonging the service life of the safety valve, and avoiding the economic loss caused by gas leakage.
Description
Technical field
The utility model relates to a kind of low-temperature safety valve.
Background technique
The low-temperature safety valve be applied to and all kinds of cryogenic pipe in, when the cryogenic gas in the low-temperature pressure container pipeline surpasses certain rating value, the low-temperature safety valve can be opened automatically, exhausting air, thereby reach the purpose of pressure release, pressure in pipeline and the low-temperature (low temperature) vessel is remained in the safety range, carry out with the safety of guaranteeing all kinds of productions.Common low-temperature safety valve occurs sometimes that the rubbish in the pipeline enters in the valve body after the flap take-off in use, causes safety valve fully not seal and leaks.
The model utility content
Technical problem to be solved in the utility model is: provide after a kind of take-off can effective seal the low-temperature safety valve.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of low-temperature safety valve, comprise: valve body, be arranged on the flap in the valve body, be arranged on the regulating block of outlet end in the valve body and be arranged on flap and regulating block between spring, two ends of valve body is respectively arranged with connecting thread, be provided with the valve opening that connects valve body in the valve body, valve opening is provided with the flap stop surface, be provided with axial hole in the regulating block, described flap liquid feeding end is provided with blind hole, the blind pore wall bottom circumferentially evenly is provided with radially pod apertures, the flap liquid feeding end is provided with stopping step, stopping step is provided with seal ring, the flap middle part is provided with radial direction through hole, the flap outlet end is provided with the liquid outlet opening that connects with radial direction through hole, be respectively arranged with spring positioning table terrace on the axial hole of described flap liquid outlet opening and regulating block, the blind hole liquid entering hole of described flap is provided with filter screen.
Described valve body adjusted piece mounting point part is provided with pin-and-hole, is provided with the pin that is used for positioning adjust block in the pin-and-hole.
Described valve body is provided with relief hole.
The utility model has the advantages that: owing to be provided with filter screen at the blind hole liquid entering hole of safety valve flap, the interception of rubbish in the pipeline is lived, making behind the safety valve jumping up can effective seal, thereby has prolonged the working life of safety valve, the economic loss of having avoided gas leakage to cause.
Description of drawings
Fig. 1 looks schematic representation for master of the present utility model.
Fig. 2 is a flap schematic representation of the present utility model.
Among Fig. 1 to Fig. 2: 1. valve body, 11. connecting threads, 12. valve openings, 13 flap stop surfaces, 14. pin-and-holes, 15. relief holes, 2. regulating block, 21. axial holes, 3. radially pod apertures, 33. stopping steps, 34. radial direction through hole, 35. liquid outlet openings, 4. spring, 5. seal ring, 6. filter screen, 7. pin of flap, 31. blind holes, 32..
Embodiment
Describe particular content of the present utility model in detail below in conjunction with the drawings and specific embodiments.
As Fig. 1, shown in Figure 2, a kind of low-temperature safety valve, comprise: valve body 1, be arranged on the flap 3 in the valve body 1, be arranged on the regulating block 2 of outlet end in the valve body 1 and be arranged on flap 1 and regulating block 2 between spring 4, the two ends of valve body 1 are respectively arranged with connecting thread 11, be provided with the valve opening 12 that connects valve body 1 in the valve body 1, valve opening 12 is provided with flap stop surface 13, be provided with axial hole 21 in the regulating block 2, described flap 3 liquid feeding ends are provided with blind hole 31, blind hole 31 walls bottom circumferentially evenly is provided with radially pod apertures 32, flap 3 liquid feeding ends are provided with stopping step 33, stopping step 33 is provided with seal ring 5, flap 3 middle parts are provided with radial direction through hole 34, flap 3 outlet ends are provided with the liquid outlet opening 35 that connects with radial direction through hole 34, be respectively arranged with spring positioning table terrace on the liquid outlet opening 35 of described flap 3 and the axial hole 21 of regulating block 2, blind hole 31 liquid entering holes of described flap 3 are provided with filter screen 6.
Described valve body 1 adjusted piece 2 mounting point parts are provided with pin-and-hole 14, are provided with the pin 7 that is used for positioning adjust block 2 in the pin-and-hole 14.
Described valve body 1 is provided with relief hole 15.
When manifold pressure during greater than setting pressure, flap 3 makes the low-temperature safety valve open pressure release at pressure action of medium lower compression spring 4, and after pressure reduced, flap 3 is returning position under spring 4 elastic force effects again, and the low-temperature safety valve cuts out.
Owing to be provided with filter screen 6 at blind hole 31 liquid entering holes of safety valve flap 3, the interception of the rubbish in the pipeline is lived, making behind the safety valve jumping up can effective seal, thereby has prolonged the working life of safety valve, has avoided gas leakage to cause economic loss.
Claims (3)
1. low-temperature safety valve, comprise: valve body, be arranged on the flap in the valve body, be arranged on the regulating block of outlet end in the valve body and be arranged on flap and regulating block between spring, two ends of valve body is respectively arranged with connecting thread, be provided with the valve opening that connects valve body in the valve body, valve opening is provided with the flap stop surface, be provided with axial hole in the regulating block, it is characterized in that: described flap liquid feeding end is provided with blind hole, the blind pore wall bottom circumferentially evenly is provided with radially pod apertures, the flap liquid feeding end is provided with stopping step, stopping step is provided with seal ring, the flap middle part is provided with radial direction through hole, the flap outlet end is provided with the liquid outlet opening that connects with radial direction through hole, is respectively arranged with spring positioning table terrace on the axial hole of described flap liquid outlet opening and regulating block, and the blind hole liquid entering hole of described flap is provided with filter screen.
2. low-temperature safety valve as claimed in claim 1 is characterized in that: described valve body adjusted piece mounting point part is provided with pin-and-hole, is provided with the pin that is used for positioning adjust block in the pin-and-hole.
3. low-temperature safety valve as claimed in claim 1 is characterized in that: described valve body is provided with relief hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200323476U CN201992149U (en) | 2011-06-09 | 2011-06-09 | Low-temperature safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200323476U CN201992149U (en) | 2011-06-09 | 2011-06-09 | Low-temperature safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201992149U true CN201992149U (en) | 2011-09-28 |
Family
ID=44668639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200323476U Expired - Fee Related CN201992149U (en) | 2011-06-09 | 2011-06-09 | Low-temperature safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201992149U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192347A (en) * | 2011-06-09 | 2011-09-21 | 张家港富瑞特种装备股份有限公司 | Low-temperature safety valve |
| CN104500757A (en) * | 2014-12-31 | 2015-04-08 | 派克汉尼汾动力传动产品（无锡）有限公司 | Novel regulating valve structure |
| CN107477223A (en) * | 2016-06-07 | 2017-12-15 | 张家港市华正进出口贸易有限公司 | Valve clack of safety valve |
| CN110715087A (en) * | 2019-11-04 | 2020-01-21 | 格迈科技河北有限公司 | Low-pressure air-cut-off valve |
-
2011
- 2011-06-09 CN CN2011200323476U patent/CN201992149U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192347A (en) * | 2011-06-09 | 2011-09-21 | 张家港富瑞特种装备股份有限公司 | Low-temperature safety valve |
| CN102192347B (en) * | 2011-06-09 | 2012-12-12 | 张家港富瑞特种装备股份有限公司 | Low-temperature safety valve |
| CN104500757A (en) * | 2014-12-31 | 2015-04-08 | 派克汉尼汾动力传动产品（无锡）有限公司 | Novel regulating valve structure |
| CN107477223A (en) * | 2016-06-07 | 2017-12-15 | 张家港市华正进出口贸易有限公司 | Valve clack of safety valve |
| CN110715087A (en) * | 2019-11-04 | 2020-01-21 | 格迈科技河北有限公司 | Low-pressure air-cut-off valve |
| CN110715087B (en) * | 2019-11-04 | 2021-06-25 | 格迈科技河北有限公司 | Low-pressure air-cut-off valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20130609 |