CN113418031A - Push-pull combined type detonating electric explosion valve - Google Patents
Push-pull combined type detonating electric explosion valve Download PDFInfo
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- CN113418031A CN113418031A CN202110557617.3A CN202110557617A CN113418031A CN 113418031 A CN113418031 A CN 113418031A CN 202110557617 A CN202110557617 A CN 202110557617A CN 113418031 A CN113418031 A CN 113418031A
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- explosion
- valve body
- push
- electric
- cavity
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- 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
- F16K13/00—Other constructional types of cut-off apparatus; Arrangements for cutting-off
- F16K13/04—Other constructional types of cut-off apparatus; Arrangements for cutting-off with a breakable closure member
- F16K13/06—Other constructional types of cut-off apparatus; Arrangements for cutting-off with a breakable closure member constructed to be ruptured by an explosion
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- 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
- F16K27/00—Construction of housing; Use of materials therefor
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- 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
- F16K31/1225—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston with a plurality of pistons
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention relates to an electric explosion valve, in particular to a push-pull combined type detonating electric explosion valve, which is used for solving the defect that the existing electric explosion valve cannot simultaneously meet the requirements of high strength and high reliability for electric explosion. This valve is exploded to push-and-pull combination formula detonating's electric explosion valve includes the valve body, push away and explode the electric detonator, draw and explode electric detonator and filler neck, push away to explode the electric detonator and draw and explode the electric detonator and form respectively with double-end piston and push away and explode the chamber and draw and explode the chamber, push away after the detonation and explode the chamber and draw and explode the intracavity and produce high temperature high pressure gas, double-end piston receives the syntropy effort, the gas pressure that two electric detonators detonate a production wantonly can promote the cutter section of double-end piston and cut off the filler neck blind end, communicate the medium passageway, the redundant detonation of two electric detonator has been realized.
Description
Technical Field
The invention relates to an electric explosion valve, in particular to a push-pull combined type detonating electric explosion valve.
Background
In the development of a rail attitude control engine, the system provides a high-reliability electric explosion opening requirement of redundant detonation for an electric explosion valve for isolating high-pressure gas of a gas cylinder. The existing electric explosion valve generally adopts single electric explosion tube detonation or double electric explosion tubes for same-side detonation, the single electric explosion tube detonation is a non-redundant single-point design, and single-point failure affects the detonation reliability; the valve body is detonated on the same side, detonation time dispersion difference and detonation pressure are irregularly superposed, the detonation dispersion difference greatly influences the redundancy effect, the detonation dispersion difference is small, the detonation pressure of the electric detonation tubes detonated simultaneously in the same side is too high, the adverse effect is brought to the structural strength of the shell of the electric detonation valve, and the structural reliability of the valve body is reduced.
Disclosure of Invention
The invention aims to solve the defect that the existing electric explosion valve cannot meet the requirements of high strength and high reliability for electric explosion at the same time, and provides a push-pull combined type detonation electric explosion valve.
In order to solve the defects of the prior art, the invention provides the following technical solutions:
the utility model provides a valve is exploded to push-and-pull combination formula detonating's electricity, includes the valve body, pushes away and explodes the electric detonator, draws and explodes electric detonator and filler neck, its characterized in that:
one end of the valve body is provided with a first mounting pipe along the axial direction, the push explosion electric explosion pipe is positioned in the first mounting pipe, the other end of the valve body is provided with a second mounting pipe which protrudes outwards along the radial direction of the valve body, and the pull explosion electric explosion pipe is positioned in the second mounting pipe;
a first air cavity is formed among the push explosion electric explosion tube, the pull explosion electric explosion tube and the valve body, and a double-end piston is arranged in the first air cavity along the axial direction of the valve body;
the double-end piston comprises a pushing explosion section, a cutting knife section and a pulling explosion section which are arranged in sequence;
a pushing explosion cavity is formed among the pushing explosion electric explosion tube, the pushing explosion section and the valve body, and the pushing explosion section is tightly attached to the inner wall of the valve body; a gap exists between the cutting blade section and the inner wall of the valve body, a cutting edge groove and a through hole are formed in the cutting blade section, and the through hole is located on one side, close to the explosion pushing cavity, of the cutting edge groove; an annular explosion cavity is formed between the explosion segment and the valve body, the parts of the explosion segment, which are positioned at the two sides of the explosion cavity, are tightly attached to the inner wall of the valve body, the explosion tube is communicated with the explosion cavity through a fire transfer hole, and an end face of one end, which is close to the explosion cavity, of the valve body is provided with a vent hole;
the middle part of the valve body is provided with a positioning pipe which protrudes outwards along the radial direction of the valve body, the filler neck is fixedly arranged in the positioning pipe, one end of the filler neck is a medium inlet end, the other end of the filler neck is a closed end, and the closed end is positioned in the cutting edge groove;
the valve body is provided with a medium outlet flow passage which is positioned on the same axis with the filler neck.
Furthermore, a check ring and a rubber ring are arranged at the joint of the explosion pushing section and the inner wall of the valve body; and check rings and rubber rings are arranged at the joint of the explosion pulling section and the inner wall of the valve body.
Furthermore, a baffle ring is arranged in the explosion pushing cavity and used for building pressure to generate pushing force.
Furthermore, the pushing explosion electric explosion tube and the first installation tube and the pulling explosion electric explosion tube and the second installation tube are in threaded fit.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, the push-explosion electric detonator and the pull-explosion electric detonator respectively form a push-explosion cavity and a pull-explosion cavity with the double-head piston, so that the hidden danger of insufficient strength margin caused by overlarge pressure bearing of the double-electric detonator same-cavity detonating valve body structure is eliminated, and the safety and reliability of the valve body structure strength are ensured; after detonation, high-temperature and high-pressure gas is generated in the pushing detonation cavity and the pulling detonation cavity, the double-end piston receives the same-direction acting force, the gas pressure generated by randomly detonating the two electric detonating tubes can push the cutter section of the double-end piston to cut off the closed end of the filler neck, the medium channel is communicated, and the redundant detonation of the double electric detonating tubes is realized.
(2) In order to ensure the sealing performance of the push explosion cavity and the pull explosion cavity, the high-temperature and high-pressure fuel gas medium is sealed in the piston cavity and is pressurized to generate a driving force; the pushing and explosion section is tightly attached to the inner wall of the valve body, and a check ring and a rubber ring are arranged at the attachment part; the parts of the explosion segment, which are positioned on the two sides of the explosion cavity, are tightly attached to the inner wall of the valve body, and check rings and rubber rings are arranged at the attachment parts.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
The reference numerals are explained below: 1-a valve body; 2-pushing and exploding an electric explosion tube, 21-pushing and exploding a cavity and 22-blocking rings; 3-explosion electric tube, 31-explosion cavity, 32-fire hole; 4-a filler neck; 5-double-head piston, 51-pushing explosion section, 52-cutter section, 521-cutting edge groove, 522-through hole and 53-pulling explosion section; 6-medium outlet flow channel.
Detailed Description
The invention will be further described with reference to the drawings and exemplary embodiments.
Referring to fig. 1, the invention provides a push-pull combined type detonating electric explosion valve, which comprises a valve body 1, a push-explosion electric explosion tube 2, a pull-explosion electric explosion tube 3 and a filler neck 4; a first mounting pipe along the axial direction is arranged at one end of the valve body 1, a second mounting pipe protruding outwards along the radial direction of the valve body 1 is arranged at the other end of the valve body, the pushing explosion electric detonator 2 and the pulling explosion electric detonator 3 are respectively positioned in the first mounting pipe and the second mounting pipe, and the pushing explosion electric detonator 2 and the first mounting pipe and the pulling explosion electric detonator 3 and the second mounting pipe are in threaded fit; a first air cavity is formed among the push explosion electric explosion tube 2, the pull explosion electric explosion tube 3 and the valve body 1, and a double-end piston 5 is arranged in the first air cavity along the axial direction of the valve body 1; the double-head piston 5 comprises a pushing explosion section 51, a cutting knife section 52 and a pulling explosion section 53 which are arranged in sequence; a pushing explosion cavity 21 is formed among the pushing explosion electric explosion tube 2, the pushing explosion section 51 and the valve body 1, and the pushing explosion section 51 is tightly attached to the inner wall of the valve body 1; a gap exists between the cutting blade section 52 and the inner wall of the valve body 1, a cutting edge groove 521 and a through hole 522 are arranged on the cutting blade section 52, and the through hole 522 is positioned on one side of the cutting edge groove 521 close to the explosion pushing cavity 21; the explosion-proof section 53 and the valve body 1 form the annular explosion-proof cavity 31 therebetween, the part that the explosion-proof section 53 is located the explosion-proof cavity 31 both sides all closely laminates with the valve body 1 inner wall, the explosion-proof electric detonator 3 communicates with the explosion-proof cavity 31 through passing the fire hole 32, the valve body 1 is close to one end terminal surface that the explosion-proof cavity 31 is equipped with the air vent for pressure in the balanced valve body.
A positioning pipe which protrudes outwards along the radial direction of the valve body 1 is arranged in the middle of the valve body 1, the filler neck 4 is fixedly arranged in the positioning pipe, one end of the filler neck 4 is a medium inlet end, the other end of the filler neck 4 is a closed end, and the closed end is positioned in the cutting edge groove 521; the valve body 1 is provided with a medium outlet flow passage 6 which is positioned on the same axis with the filler neck 4.
When the device is not in electric explosion work, the medium inlet end of the filler pipe nozzle 4 is in an isolated and non-communicated state with the medium outlet flow passage 6, and the electric explosion valve is in a normally closed structure and is used for isolating and sealing high-pressure gas in the gas cylinder or propellant medium in the storage box when being arranged at the outlet of the gas cylinder and the storage box; after the push-explosion electric detonator 2 and the pull-explosion electric detonator 3 are detonated simultaneously, high-temperature and high-pressure gas generated in the push-explosion cavity 21 and the pull-explosion cavity 31 respectively generates equidirectional acting force on the push-explosion section 51 and the pull-explosion section 53 of the double-head piston 5 to push the cutter section 52, the cutting edge groove 521 of the cutter section 52 can cut the closed end of the nozzle 4, and the medium inlet and the medium outlet flow channel 6 are communicated through the through hole 522 of the cutter section 52, so that medium supply is realized.
The push explosion electric detonator 2 and the pull explosion electric detonator 3 form accommodating cavities with the double-end piston 5 respectively, so that the over-high superposition of the pressure of the detonation gas in the same cavity is avoided, and the structural strength of the valve body 1 is ensured to be safe and reliable; and the double-end piston 5 is acted by the same direction after detonation, so that the gas pressure generated by randomly detonating one of the two electric detonating tubes can push the cutter section 52 to break the closed end of the filler neck 4 and communicate with a medium channel, and the push-pull redundancy breaking design of the electric detonating valve is realized.
In order to seal high-temperature and high-pressure fuel gas generated during detonation in the pushing explosion cavity 21 and the pulling explosion cavity 31 and generate enough driving force for the double-head piston 5, a check ring and a rubber ring are arranged at the joint of the pushing explosion section 51 and the inner wall of the valve body 1, and the check ring is arranged in the pushing explosion cavity 21 and used for building pressure; the parts of the explosion segment 53 positioned at the two sides of the explosion cavity 31 are tightly attached to the inner wall of the valve body 1, and a check ring and a rubber ring are arranged at the attachment parts;
the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and it is obvious for a person skilled in the art to modify the specific technical solutions described in the foregoing embodiments or to substitute part of the technical features, and these modifications or substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions protected by the present invention.
Claims (4)
1. The utility model provides an electric explosion valve of detonating of push-and-pull combination formula, includes valve body (1), pushes away and explodes electric detonator (2), draws and explodes electric detonator (3) and filler neck (4), its characterized in that:
one end of the valve body (1) is provided with a first mounting pipe along the axial direction, the push explosion electric detonator (2) is positioned in the first mounting pipe, the other end of the valve body (1) is provided with a second mounting pipe which protrudes outwards along the radial direction of the valve body (1), and the pull explosion electric detonator (3) is positioned in the second mounting pipe;
a first air cavity is formed among the push explosion electric detonator (2), the pull explosion electric detonator (3) and the valve body (1), and a double-end piston (5) is axially arranged in the first air cavity along the valve body (1);
the double-end piston (5) comprises a pushing explosion section (51), a cutting knife section (52) and a pulling explosion section (53) which are arranged in sequence;
a pushing explosion cavity (21) is formed among the pushing explosion electric explosion tube (2), the pushing explosion section (51) and the valve body (1), and the pushing explosion section (51) is tightly attached to the inner wall of the valve body (1); a gap exists between the cutting blade section (52) and the inner wall of the valve body (1), a cutting edge groove (521) and a through hole (522) are formed in the cutting blade section (52), and the through hole (522) is located on one side, close to the explosion pushing cavity (21), of the cutting edge groove (521); an annular explosion cavity (31) is formed between the explosion segment (53) and the valve body (1), the parts of the explosion segment (53) positioned at the two sides of the explosion cavity (31) are tightly attached to the inner wall of the valve body (1), the explosion tube (3) is communicated with the explosion cavity (31) through a fire transfer hole (32), and an end face of one end, close to the explosion cavity (31), of the valve body (1) is provided with a vent hole;
the middle part of the valve body (1) is provided with a positioning pipe which protrudes outwards along the radial direction of the valve body (1), the filler neck (4) is fixedly arranged in the positioning pipe, one end of the filler neck (4) is a medium inlet end, the other end of the filler neck (4) is a closed end, and the closed end is positioned in the cutting edge groove (521);
and a medium outlet flow passage (6) which is positioned on the same axis with the filler neck (4) is arranged on the valve body (1).
2. A push-pull combination detonation electro-explosive valve as claimed in claim 1, characterised in that: a check ring and a rubber ring are arranged at the joint of the explosion pushing section (51) and the inner wall of the valve body (1); and check rings and rubber rings are arranged at the joint of the explosion pulling section (53) and the inner wall of the valve body (1).
3. A push-pull combination detonation electro-explosive valve as claimed in claim 1, characterised in that: and a baffle ring (22) is arranged in the explosion pushing cavity (21).
4. A push-pull combination detonation electro-explosive valve as claimed in claim 1, characterised in that: the push explosion electric detonator (2) and the first mounting tube are in threaded fit, and the pull explosion electric detonator (3) and the second mounting tube are in threaded fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110557617.3A CN113418031B (en) | 2021-05-21 | 2021-05-21 | Push-pull combined type detonating electric explosion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110557617.3A CN113418031B (en) | 2021-05-21 | 2021-05-21 | Push-pull combined type detonating electric explosion valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113418031A true CN113418031A (en) | 2021-09-21 |
| CN113418031B CN113418031B (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110557617.3A Active CN113418031B (en) | 2021-05-21 | 2021-05-21 | Push-pull combined type detonating electric explosion valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN113418031B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688318A (en) * | 2022-03-03 | 2022-07-01 | 沈阳航天新光集团有限公司 | Double-circuit electric explosion valve |
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| DE2343025A1 (en) * | 1973-07-20 | 1975-02-06 | Cbf Systems Inc | SHEAR VALVE WITH DESTRUCTIBLE CONNECTOR |
| EP0052703A1 (en) * | 1980-11-26 | 1982-06-02 | GebràDer Sulzer Aktiengesellschaft | Gate valve |
| US20020092560A1 (en) * | 2001-01-16 | 2002-07-18 | Evans Griffith S. | Piston-activated valve and methods and apparatus for restraining free play in a device |
| CN201165949Y (en) * | 2008-02-14 | 2008-12-17 | 大连劳雷流体设备有限公司 | Double-piston hydropower pressure regulating pump |
| CN103032204A (en) * | 2012-12-12 | 2013-04-10 | 中国航天科技集团公司第六研究院第十一研究所 | Non-electric explosion propagation type redundancy control electric explosion isolating valve |
| CN105042113A (en) * | 2015-06-08 | 2015-11-11 | 苏州珍展科技材料有限公司 | High-pressure reversing valve with washing function |
| CN105465443A (en) * | 2015-12-15 | 2016-04-06 | 西安航天动力研究所 | Normally closed electric explosion valve |
| CN205278486U (en) * | 2016-01-04 | 2016-06-01 | 贵州航天风华精密设备有限公司 | Electric storm 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 |
| CN110529290A (en) * | 2019-07-24 | 2019-12-03 | 上海空间推进研究所 | Series redundancy formula device |
| CN110762239A (en) * | 2019-11-21 | 2020-02-07 | 西安航天动力研究所 | High-pressure unloading type gunpowder gas actuated valve |
| CN110762265A (en) * | 2019-12-05 | 2020-02-07 | 中国工程物理研究院总体工程研究所 | Redundant electric explosion valve |
-
2021
- 2021-05-21 CN CN202110557617.3A patent/CN113418031B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2343025A1 (en) * | 1973-07-20 | 1975-02-06 | Cbf Systems Inc | SHEAR VALVE WITH DESTRUCTIBLE CONNECTOR |
| EP0052703A1 (en) * | 1980-11-26 | 1982-06-02 | GebràDer Sulzer Aktiengesellschaft | Gate valve |
| US20020092560A1 (en) * | 2001-01-16 | 2002-07-18 | Evans Griffith S. | Piston-activated valve and methods and apparatus for restraining free play in a device |
| CN201165949Y (en) * | 2008-02-14 | 2008-12-17 | 大连劳雷流体设备有限公司 | Double-piston hydropower pressure regulating pump |
| CN103032204A (en) * | 2012-12-12 | 2013-04-10 | 中国航天科技集团公司第六研究院第十一研究所 | Non-electric explosion propagation type redundancy control electric explosion isolating valve |
| CN105042113A (en) * | 2015-06-08 | 2015-11-11 | 苏州珍展科技材料有限公司 | High-pressure reversing valve with washing function |
| CN105465443A (en) * | 2015-12-15 | 2016-04-06 | 西安航天动力研究所 | Normally closed electric explosion valve |
| CN205278486U (en) * | 2016-01-04 | 2016-06-01 | 贵州航天风华精密设备有限公司 | Electric storm 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 |
| CN110529290A (en) * | 2019-07-24 | 2019-12-03 | 上海空间推进研究所 | Series redundancy formula device |
| CN110762239A (en) * | 2019-11-21 | 2020-02-07 | 西安航天动力研究所 | High-pressure unloading type gunpowder gas actuated valve |
| CN110762265A (en) * | 2019-12-05 | 2020-02-07 | 中国工程物理研究院总体工程研究所 | Redundant electric explosion valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688318A (en) * | 2022-03-03 | 2022-07-01 | 沈阳航天新光集团有限公司 | Double-circuit electric explosion valve |
| CN114688318B (en) * | 2022-03-03 | 2024-05-31 | 沈阳航天新光集团有限公司 | Double-circuit electric explosion valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113418031B (en) | 2022-07-05 |
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