CN103615616A - Low-temperature breakaway valve - Google Patents
Low-temperature breakaway valve Download PDFInfo
- Publication number
- CN103615616A CN103615616A CN201310617371.XA CN201310617371A CN103615616A CN 103615616 A CN103615616 A CN 103615616A CN 201310617371 A CN201310617371 A CN 201310617371A CN 103615616 A CN103615616 A CN 103615616A
- Authority
- CN
- China
- Prior art keywords
- right valve
- valve body
- valve top
- low temperature
- breaking ualve
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L29/00—Joints with fluid cut-off means
- F16L29/04—Joints with fluid cut-off means with a cut-off device in each of the two pipe ends, the cut-off devices being automatically opened when the coupling is applied
Abstract
The invention discloses a low-temperature breakaway valve which comprises a left valve body, a right valve body, a left valve top and a right valve top. The left valve body and the right valve body are oppositely arranged and are fixedly connected through a breakaway screw, composite bearings are arranged in the left valve body and the right valve body respectively, the left valve top and the right valve top are matched with the composite bearings respectively, precompressed elastic elements are arranged between the left valve top and the corresponding composite bearing and between the right valve top and the corresponding composite bearing respectively, and the top end of the left valve top and the top end of the right valve top are oppositely attached to each other. The low-temperature breakaway valve is simple and compact in structure, reasonable in design, high in reliability and capable of preventing secondary leakage.
Description
Technical field
The invention belongs to valve body technical field, particularly relate to a kind of low temperature Pull breaking ualve.
Background technique
Pull breaking ualve can prevent the leakage accident that sebific duct surprisingly ruptures and causes, and suitable application area comprises ship to shore unloading, and the groove of highway, railway is canned to be unloaded and other are fixed and mobile fluid storage device, such as being connected between oil filling riser, fluid conveying arm and transport agent.But, the Pull breaking ualve complex structure of prior art, reliability is not high, easily occurs secondary leakage.
Summary of the invention
Object of the present invention is just to provide a kind of low temperature Pull breaking ualve, and simple in structure, reliability is high, avoids secondary leakage, can solve the problems of the technologies described above completely.
Object of the present invention realizes by following technical proposals:
A kind of low temperature Pull breaking ualve, comprise left valve barrel, right valve barrel, left valve top and right valve top, described left and right valve body is oppositely arranged, and be connected and fixed by breaking screw, composite bearing is installed respectively in left and right valve body, left and right valve top coordinates with composite bearing separately, and is provided with precompression elastic component between left and right valve top and composite bearing, fits relatively in the top on left and right valve top.
As preferably, the working end on described left and right valve top is provided with sealing seat.
As preferably, described precompression elastic component is pretensioned spring.
As preferably, the fitting surface of described left and right valve body is curved surface.
As preferably, the center line on described left and right valve top overlaps.
As preferably, described left and right valve body overlaps with the center line on left and right valve top.
Compared with prior art, beneficial effect of the present invention is: simple and compact for structure, reasonable in design, reliability is high, avoids secondary leakage.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with specific embodiments and the drawings, the present invention is further illustrated.
As shown in Figure 1, a kind of low temperature Pull breaking ualve, comprise left valve barrel 1, right valve barrel 2, left valve top 3 and right valve top 4, described left and right valve body 1,2 is oppositely arranged, and be connected and fixed by breaking screw 5, at the interior composite bearing 6 of installing respectively of left and right valve body 1,2, left and right valve top 3,4 coordinates with composite bearing 6 separately, and between left and right valve top 3,4 and composite bearing 6, being provided with pretensioned spring 7, fits relatively in the top on left and right valve top 3,4.
In order to obtain better sealing effect, the working end on described left and right valve top 3,4 is provided with sealing seat 8.
In order to guarantee that the fitting surface of left and right valve body 1,2 does not leak, the fitting surface of described left and right valve body 1,2 is curved surface.Leaking easily appears in the fitting surface of the left and right valve body of tradition Pull breaking ualve, and fitting surface between left and right valve body of the present invention to be curved surface coordinate can effectively prevent that the flowing medium in valve body from leaking out, in order to strengthen sealing effect, seal ring can be installed on fitting surface simultaneously.
Described left and right valve body 1,2 overlaps with the center line on left and right valve top 3,4, this structure is conducive to flowing medium flowing in valve body, make left and right valve top 3,4 upper and lower the degree of wear of both sides consistent, avoid causing whole Pull breaking ualve inefficacy after a side excessive wear.
In use, one end of this Pull breaking ualve is welded on firmly on fixing tube, and the other end is welded on and can moves vertically and rotate, and on the floating pipe that supports of band, prevents axially and side direction external force or the impact of welding stress on Pull breaking ualve.When have over Pull breaking ualve design, manufacture specified pull-off force the two ends of External Force Acting at Pull breaking ualve time, breaking screw 5 will be pulled off, left and right valve body 1,2 departs from, left and right valve top 3,4 fits tightly and realizes sealing with left and right valve body 1,2 end face seal faces 9 respectively under the effect of pretensioned spring 7, thereby reaches the effect of cutting off two ends, left and right pipeline internal medium.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a low temperature Pull breaking ualve, comprise left valve barrel, right valve barrel, left valve top and right valve top, described left and right valve body is oppositely arranged, and be connected and fixed by breaking screw, it is characterized in that: composite bearing is installed respectively in left and right valve body, left and right valve top coordinates with composite bearing separately, and is provided with precompression elastic component between left and right valve top and composite bearing, fits relatively in the top on left and right valve top.
2. low temperature Pull breaking ualve according to claim 1, is characterized in that: the working end on described left and right valve top is provided with sealing seat.
3. low temperature Pull breaking ualve according to claim 1, is characterized in that: described precompression elastic component is pretensioned spring.
4. low temperature Pull breaking ualve according to claim 1, is characterized in that: the fitting surface of described left and right valve body is curved surface.
5. low temperature Pull breaking ualve according to claim 1, is characterized in that: the center line on described left and right valve top overlaps.
6. low temperature Pull breaking ualve according to claim 1, is characterized in that: described left and right valve body overlaps with the center line on left and right valve top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310617371.XA CN103615616A (en) | 2013-11-29 | 2013-11-29 | Low-temperature breakaway valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310617371.XA CN103615616A (en) | 2013-11-29 | 2013-11-29 | Low-temperature breakaway valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103615616A true CN103615616A (en) | 2014-03-05 |
Family
ID=50166327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310617371.XA Pending CN103615616A (en) | 2013-11-29 | 2013-11-29 | Low-temperature breakaway valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103615616A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221879A (en) * | 2015-10-21 | 2016-01-06 | 武汉三江航天远方科技有限公司 | Filling station rapid pipe joint peculiar to vessel |
| CN106763964A (en) * | 2016-12-29 | 2017-05-31 | 重庆良工科技有限公司 | A kind of Pull breaking ualve |
| CN114251535A (en) * | 2021-12-24 | 2022-03-29 | 深圳海油工程水下技术有限公司 | Deepwater quick-opening device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4509554A (en) * | 1982-11-08 | 1985-04-09 | Failla William G | High and low pressure, quick-disconnect coupling |
| GB2311347A (en) * | 1996-03-22 | 1997-09-24 | Mandeville Eng Ltd | Subsea coupling with frustoconical metallic seal |
| CN1556026A (en) * | 2004-01-12 | 2004-12-22 | 应建忠 | Abruption valve |
| CN200961749Y (en) * | 2006-10-17 | 2007-10-17 | 鸿洋集团有限公司 | Snap valve |
| CN201779323U (en) * | 2010-09-27 | 2011-03-30 | 重庆四联油气设备制造有限公司 | Liquefied natural gas (LNG) dispenser release coupler |
| CN201851731U (en) * | 2010-10-20 | 2011-06-01 | 连云港天邦科技开发有限公司 | Disconnection interception protection device |
-
2013
- 2013-11-29 CN CN201310617371.XA patent/CN103615616A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4509554A (en) * | 1982-11-08 | 1985-04-09 | Failla William G | High and low pressure, quick-disconnect coupling |
| GB2311347A (en) * | 1996-03-22 | 1997-09-24 | Mandeville Eng Ltd | Subsea coupling with frustoconical metallic seal |
| CN1556026A (en) * | 2004-01-12 | 2004-12-22 | 应建忠 | Abruption valve |
| CN200961749Y (en) * | 2006-10-17 | 2007-10-17 | 鸿洋集团有限公司 | Snap valve |
| CN201779323U (en) * | 2010-09-27 | 2011-03-30 | 重庆四联油气设备制造有限公司 | Liquefied natural gas (LNG) dispenser release coupler |
| CN201851731U (en) * | 2010-10-20 | 2011-06-01 | 连云港天邦科技开发有限公司 | Disconnection interception protection device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221879A (en) * | 2015-10-21 | 2016-01-06 | 武汉三江航天远方科技有限公司 | Filling station rapid pipe joint peculiar to vessel |
| CN105221879B (en) * | 2015-10-21 | 2017-12-26 | 武汉三江航天远方科技有限公司 | Filling station snap joint peculiar to vessel |
| CN106763964A (en) * | 2016-12-29 | 2017-05-31 | 重庆良工科技有限公司 | A kind of Pull breaking ualve |
| CN106763964B (en) * | 2016-12-29 | 2019-01-15 | 重庆良工科技有限公司 | A kind of Pull breaking ualve |
| CN114251535A (en) * | 2021-12-24 | 2022-03-29 | 深圳海油工程水下技术有限公司 | Deepwater quick-opening device |
| CN114251535B (en) * | 2021-12-24 | 2023-09-29 | 中海油深圳海洋工程技术服务有限公司 | Deep water quick-opening device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140305 |