CN105465443A - Normally closed electric explosion valve - Google Patents
Normally closed electric explosion valve Download PDFInfo
- Publication number
- CN105465443A CN105465443A CN201510940629.9A CN201510940629A CN105465443A CN 105465443 A CN105465443 A CN 105465443A CN 201510940629 A CN201510940629 A CN 201510940629A CN 105465443 A CN105465443 A CN 105465443A
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- CN
- China
- Prior art keywords
- piston
- housing
- normally closed
- electric explosion
- explosion valve
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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.)
- Pending
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/40—Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a normally closed electric explosion valve, comprising a housing, a filler neck, a piston rod and a piston; the housing is tubular; an opening is formed in a left end of the housing and a right end of the housing is closed; a medium inlet and a flash hole are formed in sidewalls of the housing; the filler neck, the piston rod and the piston all are arranged in the housing; a left end of the filler neck is provided with a medium outlet; a radial baffle plate is arranged in the filler neck; a first annular groove is formed in an outer wall, on a left side of the radial baffle plate, of the filler neck and located at the medium inlet; the part, on a right side of the radial baffle plate, the filler neck sleeves a left end of the piston rod, and the piston sleeves a right end of the piston rod; a cavity is formed in the housing; the piston is located in the cavity and an electric explosion receiving cavity is formed between the piston and a left side of the cavity; the flash hole, which is opposite to the electric explosion receiving cavity, is a kidney-shaped flash hole. The normally closed electric explosion valve has the advantages of high electric explosion margin, good wedging leakproofness, convenience in machining and manufacturing, simple assembly and the like; the normally closed electric explosion valve is applicable to sealing in high-pressure medium pipelines.
Description
Technical field
The present invention relates to a kind of kidney-shaped and pass fiery normally closed electric explosion valve, the electric explosion valve that particularly a kind of electric detonation nargin is higher, can be used as and highly reliablely open high-pressure medium sealed valve.
Background technique
Existing conventional normally closed electric explosion valve flash hole structure uses circular flash hole mostly, and electric explosion valve piston combustion gas acting surface is plane, and wedging structure all uses Double-conical-surface wedging, ringless-type seal groove.Under same structure size, existing electric explosion valve electric detonation combustion gas energy loss is large, and electric detonation cavity volume is comparatively large, and wedging sealing nargin is lower.
Summary of the invention
The present invention proposes a kind of normally closed electric explosion valve, with improve existing electric explosion valve electric detonation reliability margin and wedging sealing nargin, the present invention invention can separately or integrated application in other electric explosion valve.
For solving above technical problem, the present invention provides following technological scheme:
A kind of normally closed electric explosion valve, comprises housing, connecting-tube nozzle, piston rod and piston; Housing is tubulose, and housing left end is provided with opening, and housing right-hand member is closed, and housing sidewall offers medium entrance and flash hole;
Its special way is: described connecting-tube nozzle, piston rod and piston are all arranged in housing;
Connecting-tube nozzle is tubulose, the left end of connecting-tube nozzle is media outlet, is provided with a radial baffle plate in connecting-tube nozzle, and the connecting-tube nozzle on the left of radial baffle plate and the left end of housing are connected, connecting-tube nozzle outer wall on the left of radial baffle plate is provided with the first circular groove, and described first annular slot is in medium entrance place;
Connecting-tube nozzle on the right side of radial baffle plate is socketed in the left end of piston rod, and the right-hand member of piston rod is socketed with piston;
Be provided with a chamber in described housing, described piston is positioned at chamber, is provided with electric detonation cavity volume between piston and the left side of chamber, and described flash hole is relative with described electric detonation cavity volume, and flash hole is kidney-shaped flash hole, kidney-shaped flash hole.Kidney-shaped flash hole increases the area of passage of electric detonation combustion gas, reduces flow resistance, reduces combustion gas energy loss.
Above-mentioned kidney-shaped flash hole comprises vertical district and circular arc district.
The both sides in above-mentioned vertical district are provided with chamfering, and the inwall of chamfering place flash hole is conical surface.Kidney-shaped flash hole and chamfering realize the Thorough combustion of electric explosion valve electric detonation combustion gas and effective overcurrent of combustion gas.The left side of above-mentioned piston is the conical surface.Adopt conical surface combustion gas interactive construction, under ensureing the prerequisite that combustion gas active area is constant, reduce electric detonation cavity volume volume, improve gaseous-pressure, improve electric detonation nargin.Conical surface combustion gas interactive construction is adopted under same structure size, ensure that combustion gas active area is constant, reduce electric detonation cavity volume volume, show that gaseous-pressure must improve according to the law of thermodynamics, higher gaseous-pressure acts on conical surface piston, can produce larger pulling force, connecting-tube nozzle electric detonation is broken nargin and is improved.
Angle between piston left side and chamber left side wall is a, a is 5 ~ 15 °.Angle [alpha] can change to some extent according to actual conditions, when a is 5 ~ 15 °, increases cone structure and is easy to reduce cavity volume size, improve electric detonation nargin.
The longitudinal section of above-mentioned first circular groove is V-arrangement.
Piston rod between chamber and connecting-tube nozzle comprises vertical section and round platform section, and the inner walls accordingly between chamber and connecting-tube nozzle arranges suitable vertical section and round platform section.
Round platform section outer wall on piston rod is provided with multiple second circular groove, this structure is tooth cone structure ringwise, the wedging structure that on piston rod, the conical surface of the round platform section of annular tooth cone structure and inner walls forms jointly, on the architecture basics of this Double-conical-surface wedging, in the process that piston rod and housing clash into, because annular tooth structure compares ringless-type toothing, the deformability of impact site strengthens, annular tooth structure tooth pitch and size all can change, in wedging process, annular tooth structure is easy to plasticity and resiliently deformable occur, both can produce more wedging amount, after wedging, local wedging stress and strain maximum increases, produce larger seal pressure, thus promote sealing, therefore, achieve the raising of wedging sealing nargin.
Wherein, by the notch of the second circular groove to bottom land, the width of the second circular groove from large to small; The bottom land of the second circular groove is near the left side cell wall of the second circular groove.
The present invention has following technique effect:
By kidney-shaped flash hole, the present invention adds that orifice chamfer promotes electric detonation fuel gas buring and improve circulation area to reduce electric detonation combustion gas energy loss; By conical surface piston structure, reduce electric detonation cavity volume volume, improve electric detonation gaseous-pressure, increase combustion gas active force; Annular tooth cone structure, by changing the deformability at wedging position, increases amount of deformation and distortional stress, improves wedging sealing nargin, and then improves electric explosion valve global reliability.The advantage such as the present invention has that electric detonation nargin is high, wedging good airproof performance, convenient processing and manufacture, assembling are simple, wherein each key element all can be applied as various electric explosion valve, and the present invention can sealing in applying high voltage medium pipeline.
Kidney-shaped flash hole normally closed electric explosion valve technological points can improve electric detonation nargin and the sealing nargin of existing common electric explosion valve,
The structure that the normally closed electric explosion valve of kidney-shaped flash hole adopts kidney-shaped flash hole to add orifice chamfer adds combustion space, is beneficial to the release of electric detonation gunpowder energy, and kidney-shaped flash hole equivalent aera is comparatively large, promotes electric detonation combustion gas Energy Transfer; Piston combustion gas acting surface adopts cone structure, under the prerequisite not affecting combustion gas active area, reduce cavity volume, improves electric detonation nargin; Adopt annular tooth conical surface wedging structure to be beneficial to the flow of metal of wedging position to increase, promote sealing; This kidney-shaped passes fiery normally closed electric explosion valve can the performance of General Promotion electric explosion valve.
The advantage such as the present invention has that electric detonation nargin is high, wedging good airproof performance, convenient processing and manufacture, assembling are simple, wherein each key element all can be applied as various electric explosion valve, and the present invention can sealing in applying high voltage medium pipeline.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the connection diagram of connecting-tube nozzle of the present invention and piston rod;
Fig. 3 is kidney-shaped flash hole plan view of the present invention;
Fig. 4 is kidney-shaped flash hole sectional view;
Fig. 5 is the round platform section schematic diagram of inventive piston bar;
Fig. 6 is piston structure schematic diagram of the present invention.
Embodiment
As shown in Figure 1, the invention provides a kind of normally closed electric explosion valve, comprise housing 4, connecting-tube nozzle 1, piston rod 2 and piston 3; Housing is tubulose, and housing left end is provided with opening, and housing right-hand member is closed, and housing sidewall offers medium entrance and flash hole;
Described connecting-tube nozzle, piston rod and piston are all arranged in housing;
Connecting-tube nozzle is tubulose, the left end of connecting-tube nozzle is media outlet, is provided with a radial baffle plate in connecting-tube nozzle, and the connecting-tube nozzle on the left of radial baffle plate and the left end of housing are connected, connecting-tube nozzle outer wall on the left of radial baffle plate is provided with the first circular groove 5, and described first annular slot is in medium entrance place; Both pressure-bearing nargin had been considered when the wall thickness of the connecting-tube nozzle that the first circular groove place is corresponding designs, consider that nargin is broken in electric detonation again, for this reason, the longitudinal section of the first circular groove can be V-arrangement, therefore, first circular groove can either realize normally closed electric explosion valve pressure-bearing and metal sealing capacity, ensures the pressure bearing and seal function of normally closed electric explosion valve, can be convenient to again to break realization and open medium channel functional requirement.
Connecting-tube nozzle on the right side of radial baffle plate is socketed in the left end of piston rod, is connected, plays the effect of metal sealing before valve electric detonation with piston rod thread; The right-hand member of piston rod is socketed with piston;
A chamber is provided with in described housing, piston is positioned at chamber, electric detonation cavity volume is provided with between piston and the left side of chamber, flash hole is relative with described electric detonation cavity volume, flash hole is kidney-shaped flash hole 6, kidney-shaped flash hole, the size of the long L of kidney-shaped flash hole, wide H, L and H with fully can increase hole area and be beneficial to be processed as suitable.
Kidney-shaped flash hole comprises vertical district and circular arc district, and the both sides in vertical district are provided with chamfering, and chamfering is about 45 °, with the effect in satisfied increase electric detonation fuel gas buring space, is beneficial to combustion gas Thorough combustion; The left side of piston is the conical surface, and the angle between piston left side and chamber left side wall is a, a is 5 ~ 15 °.
Therefore, kidney-shaped flash hole of the present invention is as the transmission channel of electric detonation combustion gas, effectively can reduce the energy loss of electric detonation combustion gas, after electric detonation, chamfering increases combustion space, enters electric detonation cavity volume by the waist shaped hole that equivalent aera is larger, reduces the energy loss of combustion gas, piston 3 conical surface, as the stressed member of electric detonation combustion gas, improves electric detonation nargin while reduction electric detonation cavity volume; Sealing after annular tooth cone structure (i.e. the annular tooth conical surface and housing 4 cone structure) electric detonation on piston rod 2 after wedging guarantee electric detonation.
Piston rod between chamber and connecting-tube nozzle comprises vertical section and round platform section, and the inner walls accordingly between chamber and connecting-tube nozzle arranges suitable vertical section and round platform section; Round platform section outer wall on piston rod is provided with multiple second circular groove 7, and by the notch of the second circular groove to bottom land, from large to small, the bottom land of the second circular groove is near the left side cell wall of the second circular groove for the width of the second circular groove.
Working principle of the present invention is: after electric detonator is ignited, electric detonation combustion gas enters electric detonation cavity volume by kidney-shaped flash hole, combustion gas acts on piston area, promote piston movement, and then break first circular groove (i.e. thin-walled indentation) of connecting-tube nozzle from connecting-tube nozzle is broken, the round platform section of piston rod and the round platform section wedging of inner walls, valve open, forms medium channel.By kidney-shaped flash hole, the present invention adds that orifice chamfer reduces electric detonation combustion gas energy loss, improve electric detonation gaseous-pressure by conical surface piston structure, and annular tooth cone structure increases wedging sealing nargin, and then improves electric explosion valve global reliability.
Claims (10)
1. a normally closed electric explosion valve, comprises housing, connecting-tube nozzle, piston rod and piston; Housing is tubulose, and housing left end is provided with opening, and housing right-hand member is closed, and housing sidewall offers medium entrance and flash hole;
It is characterized in that: described connecting-tube nozzle, piston rod and piston are all arranged in housing;
Connecting-tube nozzle is tubulose, the left end of connecting-tube nozzle is media outlet, is provided with a radial baffle plate in connecting-tube nozzle, and the connecting-tube nozzle on the left of radial baffle plate and the left end of housing are connected, connecting-tube nozzle outer wall on the left of radial baffle plate is provided with the first circular groove, and described first annular slot is in medium entrance place;
Connecting-tube nozzle on the right side of radial baffle plate is socketed in the left end of piston rod, and the right-hand member of piston rod is socketed with piston;
Be provided with a chamber in described housing, described piston is positioned at chamber, is provided with electric detonation cavity volume between piston and the left side of chamber, and described flash hole is relative with described electric detonation cavity volume, and flash hole is kidney-shaped flash hole.
2. normally closed electric explosion valve according to claim 1, is characterized in that: described kidney-shaped flash hole comprises vertical district and circular arc district.
3. normally closed electric explosion valve according to claim 2, is characterized in that: the both sides in described vertical district are provided with chamfering.
4. normally closed electric explosion valve according to claim 3, is characterized in that: the left side of described piston is the conical surface.
5. normally closed electric explosion valve according to claim 4, is characterized in that: the angle between piston left side and chamber left side wall is a, a is 5 ~ 15 °.
6. normally closed electric explosion valve according to claim 4, is characterized in that: the longitudinal section of described first circular groove is V-arrangement.
7. according to the arbitrary described normally closed electric explosion valve of claim 1 to 6, it is characterized in that: the piston rod between chamber and connecting-tube nozzle comprises vertical section and round platform section, the inner walls accordingly between chamber and connecting-tube nozzle arranges suitable vertical section and round platform section.
8. normally closed electric explosion valve according to claim 7, is characterized in that: the round platform section outer wall on piston rod is provided with multiple second circular groove.
9. normally closed electric explosion valve according to claim 8, is characterized in that: by the notch of the second circular groove to bottom land, the width of the second circular groove from large to small.
10. normally closed electric explosion valve according to claim 9, is characterized in that: the bottom land of the second circular groove is near the left side cell wall of the second circular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510940629.9A CN105465443A (en) | 2015-12-15 | 2015-12-15 | Normally closed electric explosion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510940629.9A CN105465443A (en) | 2015-12-15 | 2015-12-15 | Normally closed electric explosion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105465443A true CN105465443A (en) | 2016-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510940629.9A Pending CN105465443A (en) | 2015-12-15 | 2015-12-15 | Normally closed electric explosion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105465443A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678404A (en) * | 2017-03-06 | 2017-05-17 | 西安航天动力研究所 | Water hammer pressure reduction electric blasting valve |
| CN106763965A (en) * | 2016-12-30 | 2017-05-31 | 西安航天动力研究所 | The special flow passage electric blasting valve that a kind of pair of electric detonator drives |
| CN106763896A (en) * | 2016-12-30 | 2017-05-31 | 西安航天动力研究所 | A kind of double electric detonators of Y types drive electric blasting valve |
| CN111120686A (en) * | 2019-12-16 | 2020-05-08 | 北京动力机械研究所 | Electric explosion valve capable of realizing channel conversion |
| CN113418031A (en) * | 2021-05-21 | 2021-09-21 | 西安航天动力研究所 | Push-pull combined type detonating electric explosion valve |
| CN114183560A (en) * | 2021-11-19 | 2022-03-15 | 沈阳航天新光集团有限公司 | Three-way electric explosion valve |
| RU2801877C1 (en) * | 2023-01-27 | 2023-08-17 | Акционерное общество "Государственный ракетный центр имени академика В.П. Макеева" | Pyrovalve |
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| DE19709746C1 (en) * | 1997-03-10 | 1998-11-19 | Fraunhofer Ges Forschung | Mechanical press overload safety valve |
| CN101865321A (en) * | 2010-07-08 | 2010-10-20 | 中国航天科技集团公司第六研究院第十一研究所 | Diaphragm cutting type electric explosion valve |
| CN202493740U (en) * | 2012-03-09 | 2012-10-17 | 卢国勋 | Integrated water supply valve of stainless steel water tap |
| CN102927341A (en) * | 2012-11-16 | 2013-02-13 | 上海宇航系统工程研究所 | Wedged anti-rebound electric explosion valve |
| CN103591338A (en) * | 2013-11-30 | 2014-02-19 | 沈阳航天新光集团有限公司 | Electric blasting valve |
| CN203641588U (en) * | 2013-12-03 | 2014-06-11 | 沈阳航天新光集团有限公司 | Electro-explosive valve device |
| CN205331537U (en) * | 2015-12-15 | 2016-06-22 | 西安航天动力研究所 | Normal close electric storm valve |
-
2015
- 2015-12-15 CN CN201510940629.9A patent/CN105465443A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SU475484A1 (en) * | 1973-03-01 | 1975-06-30 | Предприятие П/Я В-2289 | Single acting valve |
| DD301270A7 (en) * | 1984-11-15 | 1992-11-12 | Peene Werft Wolgast Veb | Quick opening valve |
| DE19709746C1 (en) * | 1997-03-10 | 1998-11-19 | Fraunhofer Ges Forschung | Mechanical press overload safety valve |
| CN101865321A (en) * | 2010-07-08 | 2010-10-20 | 中国航天科技集团公司第六研究院第十一研究所 | Diaphragm cutting type electric explosion valve |
| CN202493740U (en) * | 2012-03-09 | 2012-10-17 | 卢国勋 | Integrated water supply valve of stainless steel water tap |
| CN102927341A (en) * | 2012-11-16 | 2013-02-13 | 上海宇航系统工程研究所 | Wedged anti-rebound electric explosion valve |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763965A (en) * | 2016-12-30 | 2017-05-31 | 西安航天动力研究所 | The special flow passage electric blasting valve that a kind of pair of electric detonator drives |
| CN106763896A (en) * | 2016-12-30 | 2017-05-31 | 西安航天动力研究所 | A kind of double electric detonators of Y types drive electric blasting valve |
| CN106763965B (en) * | 2016-12-30 | 2023-05-30 | 西安航天动力研究所 | Special runner electric explosion valve driven by double electric explosion tubes |
| CN106763896B (en) * | 2016-12-30 | 2023-08-08 | 西安航天动力研究所 | Y-shaped double-electric-explosion-tube driving electric explosion valve |
| CN106678404A (en) * | 2017-03-06 | 2017-05-17 | 西安航天动力研究所 | Water hammer pressure reduction electric blasting valve |
| CN106678404B (en) * | 2017-03-06 | 2018-08-31 | 西安航天动力研究所 | Precipitation hits electric blasting valve |
| CN111120686A (en) * | 2019-12-16 | 2020-05-08 | 北京动力机械研究所 | Electric explosion valve capable of realizing channel conversion |
| CN111120686B (en) * | 2019-12-16 | 2022-04-08 | 北京动力机械研究所 | Electric explosion valve capable of realizing channel conversion |
| CN113418031A (en) * | 2021-05-21 | 2021-09-21 | 西安航天动力研究所 | Push-pull combined type detonating electric explosion valve |
| CN113418031B (en) * | 2021-05-21 | 2022-07-05 | 西安航天动力研究所 | Push-pull combined type detonating electric explosion valve |
| CN114183560A (en) * | 2021-11-19 | 2022-03-15 | 沈阳航天新光集团有限公司 | Three-way electric explosion valve |
| RU2801877C1 (en) * | 2023-01-27 | 2023-08-17 | Акционерное общество "Государственный ракетный центр имени академика В.П. Макеева" | Pyrovalve |
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Application publication date: 20160406 |