CN102418497A - Spring sheet type pressure release valve - Google Patents
Spring sheet type pressure release valve Download PDFInfo
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- CN102418497A CN102418497A CN2011104206692A CN201110420669A CN102418497A CN 102418497 A CN102418497 A CN 102418497A CN 2011104206692 A CN2011104206692 A CN 2011104206692A CN 201110420669 A CN201110420669 A CN 201110420669A CN 102418497 A CN102418497 A CN 102418497A
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- spring base
- cavity
- spring
- internal diameter
- pressure release
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Abstract
The invention relates to the technical field of emergency pressure release tools in well drilling and cementation operations, in particular to a spring sheet type pressure release valve. The pressure release valve comprises a valve body, a ball seat, a cavity spring seat, a mounting body, a spring sheet, a ball and an adjusting lead screw; an axial passage is formed in the valve body; a first ring slot, the inside diameter of which is greater than that of the axial passage, is formed in the middle part of the valve body; the ball seat is clamped on the right part of the first ring slot; the inner part of the ball seat is communicated with the axial passage; a second ring slot, the inside diameter of which is greater than that of the first ring slot, is formed in the valve body on the left part of the first ring slot; the right part of the cavity spring seat is fixedly arranged in the second ring slot; and a mounting head, the outside diameter of which is greater than that of the mounting body, is fixed at the right end of the mounting body. The pressure release valve is reasonable and compact in structure and convenient to use; automatic opening and closing of the valve are realized by using the spring sheet; through the pressure release valve, overpressure protection on the personnel safety and a high pressure system can be realized without halting, the pressure adjusting range is enlarged, and the released pressure can be randomly adjusted; and the pressure release valve is convenient to assemble and disassemble.
Description
Technical field
the present invention relates to emergency decompression technical field of tools in drilling well and the well cementing operation, are a kind of spring-piece type relief valves.
Background technology
drillng operation environment is an operations involving high pressure, and in the past for avoiding suppressing suddenly pump, pressure moment rises and the personal injury and the high-tension apparatus that cause damage; The normal unique safety measure that adopts promptly is that the insurance valve on the drilling mud pump is the shear pin type relief valve, and this kind relief valve is when surpassing setting value, thereby the high-pressure slurry ejection realizes pressure release; Because no retracting device very easily causes personnel's injury on every side, in well cementing operation; Displacement process middle sleeve and hole annulus are suppressed suddenly stifled; Build-up of pressure moment rises, when hypertonia, whole safety valve complement be prone to break in addition break after fly out; Personnel and equipment are caused bigger infringement, cause the generation of operation dangerous situation.
Summary of the invention
the invention provides a kind of spring-piece type relief valve, have overcome the deficiency of above-mentioned prior art, and it can solve effectively that pressure in drillng operation moment rises and problem that the personal injury that causes and high-tension apparatus damage.
technical scheme of the present invention realizes through following measure: a kind of spring-piece type relief valve comprises valve body, ball seat, cavity spring base, fixing body, spring leaf, ball and adjusting screw mandrel; Axial passage is arranged in valve body, first annular groove of internal diameter greater than the axial passage internal diameter arranged in the middle part of valve body, be installed with ball seat at the right part of first annular groove; Ball seat is inner to communicate with axial passage; Second annular groove of internal diameter greater than first annular groove arranged in the valve body of the first annular groove left, and the right part of cavity spring base is fixedly mounted in second annular groove, and the right-hand member of fixing body is fixed with the installation head of external diameter greater than the fixing body external diameter; The right part internal diameter of the external diameter of installation head and cavity spring base matches; Fixing body is sleeved on through installation head in the right part cavity of cavity spring base, is set with the spring leaf of at least two groups in the cavity spring base outside, and the right part of regulating screw mandrel is fixedly mounted in the cavity spring base through screw thread; The right-hand member crown of regulating screw mandrel is on the spring leaf of the leftmost side; Between the right-hand member of installation head and ball seat, be installed with ball, be fixed with the pressure release head on the valve body of ball below, there is the water conservancy diversion through hole that communicates with axial passage pressure release head inside.
Be to the further optimization of above-mentioned utility model technical scheme below or/and improve:
The right-hand member of
above-mentioned installation head can have the taper concave station, between taper concave station and ball seat, is installed with ball.
The right-hand member of
above-mentioned valve body is equipped with the screw thread union, and the lower outside of pressure release head has the union screw thread.
The right part of
above-mentioned cavity spring base can be fixedly mounted in second annular groove through screw thread.
The left part inwall of
above-mentioned cavity spring base can have the annular snap platform of internal diameter less than cavity spring base internal diameter.
Can be installed with locking nut on the adjusting screw mandrel in
above-mentioned cavity spring base left side.
reasonable and compact in structure of the present invention, easy to use, utilize spring leaf to realize the automatic open and close of valve; Need not shut down the overpressure protection that to realize personal safety and high-pressure system; The pressure adjustable range increases, and pressure release pressure can be regulated arbitrarily, installation, convenient disassembly.
Description of drawings
accompanying drawing 1 is looked the broken section structural representation for the master of most preferred embodiment of the present invention.
Coding in
accompanying drawing is respectively: 1 is valve body, and 2 is the screw thread union, and 3 is axial passage, and 4 is first annular groove, and 5 is second annular groove; 6 is ball seat, and 7 is the cavity spring base, and 8 is the annular snap platform, and 9 is fixing body, and 10 is installation head; 11 is spring leaf, and 12 are the taper concave station, and 13 is ball, and 14 for regulating screw mandrel; 15 are the pressure release head, and 16 is the water conservancy diversion through hole, and 17 is nut, and 18 is the union screw thread.
The specific embodiment
the present invention does not receive the restriction of following embodiment, can confirm concrete embodiment according to technical scheme of the present invention and actual conditions.
In the present invention, for the ease of describing, the description of the relative position relation of each parts all is to describe according to the Butut mode of Figure of description 1, as: the position of forward and backward, upper and lower, left and right etc.
Below in conjunction with embodiment and accompanying drawing the present invention is further described:
shown in accompanying drawing 1, this spring-piece type relief valve comprises valve body 1, ball seat 6, cavity spring base 7, fixing body 9, spring leaf 11, ball 13 and regulates screw mandrel 14; Axial passage 3 is arranged in valve body 1; First annular groove 4 of internal diameter greater than axial passage 3 internal diameters arranged in the middle part of valve body; Right part at first annular groove 4 is installed with ball seat 6, and ball seat 6 inside communicate with axial passage 3, and second annular groove 5 of internal diameter greater than first annular groove 4 arranged in the valve body 1 of first annular groove, 4 lefts; The right part of cavity spring base 7 is fixedly mounted in second annular groove 5; The right-hand member of fixing body 9 is fixed with the installation head 10 of external diameter greater than fixing body 9 external diameters, and the right part internal diameter of the external diameter of installation head 10 and cavity spring base 7 matches, and fixing body 9 is sleeved in the right part cavity of cavity spring base 7 through installation head 10; Be set with the spring leaf 11 of at least two groups in cavity spring base 7 outsides; The right part of regulating screw mandrel 14 is fixedly mounted in the cavity spring base 7 through screw thread, and the right-hand member crown of regulating screw mandrel 14 is installed with ball 13 between the right-hand member of installation head 10 and ball seat 6 on the spring leaf 11 of the leftmost side; Be fixed with pressure release 15 on the valve body 1 of ball 13 belows, there is the water conservancy diversion through hole 16 that communicates with axial passage 3 pressure release 15 inside.
Can according to actual needs above-mentioned spring-piece type relief valve be done further to optimize or/and improve:
have taper concave station 12 at the right-hand member of installation head 10 shown in accompanying drawing 1, between taper concave station 12 and ball seat 6, be installed with ball 13.Taper concave station 12 can be better and ball seat 6 block ball 13, prevent that ball 13 from getting loose.
shown in accompanying drawing 1, the right-hand member of valve body 1 is equipped with screw thread union 2, and the lower outside of pressure release 15 has union screw thread 18.Screw thread union 2 makes things convenient for valve body 1 to be fixedly connected with drilling well high pressure pipe joint group, and the union screw thread 18 of pressure release 15 lower end makes things convenient for pressure release 15 to be connected with blowdown line.
shown in accompanying drawing 1, the left part inwall of cavity spring base 7 has the annular snap platform 8 of internal diameter less than cavity spring base 7 internal diameters.Be convenient to spring leaf 11 spacing like this.
are installed with locking nut 17 on the adjusting screw mandrel 14 in cavity spring base 7 left sides shown in accompanying drawing 1.
above technical characterictic has constituted most preferred embodiment of the present invention, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The use of
most preferred embodiment of the present invention: screw thread union 2 is fixed together with drilling well high pressure pipe joint cocainine button union; Pressure release 15 is fixed together through union screw thread 18 with blowdown line; Connect promptly and accomplish, regulate relief valve pressure according to the maximum pressure of site operation operation and promptly allow the maximum pressure that reaches, its control method is through regulating screw mandrel 14 regulating spring sheets 11 degrees of compression to the pressure that needs to set; Regulating screw mandrel 14 can be at 14Mpa to adjustment release pressure between the 140Mpa; When high pressure line pressure surpassed setting construction maximum pressure, tube fluid got into valve body 1 inside by valve body 1 right-hand member, and ball 13 is backed down; Fluid is discharged by blowdown line through pressure release 15, realizes safety relief.
Claims (10)
1. a spring-piece type relief valve is characterized in that comprising valve body, ball seat, cavity spring base, fixing body, spring leaf, ball and adjusting screw mandrel; Axial passage is arranged in valve body, first annular groove of internal diameter greater than the axial passage internal diameter arranged in the middle part of valve body, be installed with ball seat at the right part of first annular groove; Ball seat is inner to communicate with axial passage; Second annular groove of internal diameter greater than first annular groove arranged in the valve body of the first annular groove left, and the right part of cavity spring base is fixedly mounted in second annular groove, and the right-hand member of fixing body is fixed with the installation head of external diameter greater than the fixing body external diameter; The right part internal diameter of the external diameter of installation head and cavity spring base matches; Fixing body is sleeved on through installation head in the right part cavity of cavity spring base, is set with the spring leaf of at least two groups in the cavity spring base outside, and the right part of regulating screw mandrel is fixedly mounted in the cavity spring base through screw thread; The right-hand member crown of regulating screw mandrel is on the spring leaf of the leftmost side; Between the right-hand member of installation head and ball seat, be installed with ball, be fixed with the pressure release head on the valve body of ball below, there is the water conservancy diversion through hole that communicates with axial passage pressure release head inside.
2. spring-piece type relief valve according to claim 1 is characterized in that the right-hand member of installation head has the taper concave station, between taper concave station and ball seat, is installed with ball.
3. spring-piece type relief valve according to claim 1 and 2 is characterized in that the right-hand member of valve body is equipped with the screw thread union, and the lower outside of pressure release head has the union screw thread.
4. spring-piece type relief valve according to claim 1 and 2 is characterized in that the right part of cavity spring base is fixedly mounted in second annular groove through screw thread.
5. spring-piece type relief valve according to claim 3 is characterized in that the right part of cavity spring base is fixedly mounted in second annular groove through screw thread.
6. spring-piece type relief valve according to claim 1 and 2 is characterized in that the left part inwall of cavity spring base has the annular snap platform of internal diameter less than cavity spring base internal diameter.
7. spring-piece type relief valve according to claim 3 is characterized in that the left part inwall of cavity spring base has the annular snap platform of internal diameter less than cavity spring base internal diameter.
8. spring-piece type relief valve according to claim 5 is characterized in that the left part inwall of cavity spring base has the annular snap platform of internal diameter less than cavity spring base internal diameter.
9. spring-piece type relief valve according to claim 1 and 2 is characterized in that being installed with locking nut on the adjusting screw mandrel in cavity spring base left side.
10.
RootAccording to the described spring-piece type relief valve of claim 8, it is characterized in that being installed with locking nut on the adjusting screw mandrel in left side of cavity spring base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104206692A CN102418497A (en) | 2011-12-15 | 2011-12-15 | Spring sheet type pressure release valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104206692A CN102418497A (en) | 2011-12-15 | 2011-12-15 | Spring sheet type pressure release valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102418497A true CN102418497A (en) | 2012-04-18 |
Family
ID=45943117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104206692A Pending CN102418497A (en) | 2011-12-15 | 2011-12-15 | Spring sheet type pressure release valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102418497A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277068A (en) * | 2013-05-21 | 2013-09-04 | 新疆力信油田工程技术有限公司 | Oil well casing pipe exhaust valve |
| CN105172805A (en) * | 2015-10-28 | 2015-12-23 | 安徽盛世高科轨道装备有限公司 | Gas circuit board with self-protection function |
| CN105484701A (en) * | 2015-12-14 | 2016-04-13 | 新疆敦华石油技术股份有限公司 | Automatic air leakage adjustable pressure stabilizing device |
| CN108591548A (en) * | 2017-12-27 | 2018-09-28 | 宁波浙达技术服务有限公司 | A kind of automated machine pressure-control valve |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3265134A (en) * | 1964-02-03 | 1966-08-09 | Camco Inc | Well safety valve |
| CN2400660Y (en) * | 1999-11-26 | 2000-10-11 | 吴海洋 | Tyre safety valve |
| CN2509404Y (en) * | 2001-07-28 | 2002-09-04 | 台州市正发通用元件有限公司 | Ball sealing load relief valve |
| CN2592995Y (en) * | 2002-12-05 | 2003-12-17 | 周纪昌 | Pressure-regulating unload valve for air conditioner |
| CN2672406Y (en) * | 2003-12-30 | 2005-01-19 | 徐步光 | Safety valve |
| CN2734983Y (en) * | 2004-08-31 | 2005-10-19 | 石文东 | Blowout preventer for oil well |
| CN2898280Y (en) * | 2006-06-03 | 2007-05-09 | 魏建福 | Wellhead packer |
| CN101162064A (en) * | 2007-11-29 | 2008-04-16 | 江苏罡阳动力转向器厂 | Adjustable safety relief valve |
| CN201705287U (en) * | 2010-05-24 | 2011-01-12 | 中国石油天然气股份有限公司 | Anti-backflow lubricating nipple of pumping well mouth |
| CN202348228U (en) * | 2011-12-15 | 2012-07-25 | 中国石油集团西部钻探工程有限公司 | Elastic-sheet type pressure release valve |
-
2011
- 2011-12-15 CN CN2011104206692A patent/CN102418497A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3265134A (en) * | 1964-02-03 | 1966-08-09 | Camco Inc | Well safety valve |
| CN2400660Y (en) * | 1999-11-26 | 2000-10-11 | 吴海洋 | Tyre safety valve |
| CN2509404Y (en) * | 2001-07-28 | 2002-09-04 | 台州市正发通用元件有限公司 | Ball sealing load relief valve |
| CN2592995Y (en) * | 2002-12-05 | 2003-12-17 | 周纪昌 | Pressure-regulating unload valve for air conditioner |
| CN2672406Y (en) * | 2003-12-30 | 2005-01-19 | 徐步光 | Safety valve |
| CN2734983Y (en) * | 2004-08-31 | 2005-10-19 | 石文东 | Blowout preventer for oil well |
| CN2898280Y (en) * | 2006-06-03 | 2007-05-09 | 魏建福 | Wellhead packer |
| CN101162064A (en) * | 2007-11-29 | 2008-04-16 | 江苏罡阳动力转向器厂 | Adjustable safety relief valve |
| CN201705287U (en) * | 2010-05-24 | 2011-01-12 | 中国石油天然气股份有限公司 | Anti-backflow lubricating nipple of pumping well mouth |
| CN202348228U (en) * | 2011-12-15 | 2012-07-25 | 中国石油集团西部钻探工程有限公司 | Elastic-sheet type pressure release valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277068A (en) * | 2013-05-21 | 2013-09-04 | 新疆力信油田工程技术有限公司 | Oil well casing pipe exhaust valve |
| CN105172805A (en) * | 2015-10-28 | 2015-12-23 | 安徽盛世高科轨道装备有限公司 | Gas circuit board with self-protection function |
| CN105484701A (en) * | 2015-12-14 | 2016-04-13 | 新疆敦华石油技术股份有限公司 | Automatic air leakage adjustable pressure stabilizing device |
| CN108591548A (en) * | 2017-12-27 | 2018-09-28 | 宁波浙达技术服务有限公司 | A kind of automated machine pressure-control valve |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120418 |