CN102927341B - Wedged anti-rebound electric explosion valve - Google Patents
Wedged anti-rebound electric explosion valve Download PDFInfo
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- CN102927341B CN102927341B CN201210463010.XA CN201210463010A CN102927341B CN 102927341 B CN102927341 B CN 102927341B CN 201210463010 A CN201210463010 A CN 201210463010A CN 102927341 B CN102927341 B CN 102927341B
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Abstract
The invention relates to a wedged anti-rebound electric explosion valve which comprises a casing, a sleeve, a rod and a piston, wherein a cavity body is arranged on the casing in a through manner, the casing is connected with the sleeve, a communicated space is formed by the cavity body and an inner space of the sleeve, a piston can move back and forth in the communicated space, an explosion cavity is formed by the piston and the casing, the piston is linked with the rod, the rod is inserted into the explosion cavity and then sealed, a C orifice is formed on the casing, an electric detonator is mounted in the C orifice, the C orifice can be communicated with the explosion cavity, a first conical surface is arranged on the rod, an inner cavity of the casing is provided with a second conical surface, high pressure gas is generated in the explosion cavity to push the piston to pull the rod after the electric detonator is initiated, and the first conical surface is wedged into the second conical surface after a shoulder of the rod is pulled broken. The electric explosion valve solves the problem that a flow channel is blocked by rebound of the rod after the existing electric explosion valve is initiated; and the electric explosion valve is simple in structure, high in adaptability and reliability, and good in sealing property.
Description
Technical field
The present invention relates to a kind of electric explosion valve, particularly relate to the anti-rebound electric explosion valve of a kind of carrier rocket wedging used.
Background technique
Electric explosion valve is one of automation assembly important in space flight model sorts of systems, plays the effect that convection cell controls in systems in which.Electric explosion valve is that the high-pressure gas utilizing electric detonator detonation to produce carrys out action, as long as there is good airproof performance, size is little, quality is light, fast response time and self just can make the features such as the dynamic high-pressure energy with very small-pulse effect power supply, be therefore widely used on the liquid propellant rocket engine of disposable work.At present, in all kinds of space flight model systems of China, electric explosion valve is used for the workplace of working medium being played to isolation, closing function.
Namely, electric explosion valve is carrier rocket pressurizing transmission system important unit used, and its effect opens electric explosion valve after being detonated by electric detonator, thus makes gas in pressurized gas cylinder enter into tank to carry out supercharging, ensure tank pressure requirements, thus ensure engine work.
In the electric explosion valve that existing pressurizing transmission system is used, the electric explosion valve that adopts opens rear seizure bar thus the form of anti-stopping bar resilience more, complex structure and poor stability, affects the reliability of pressurizing transmission system.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art, the invention provides the anti-rebound electric explosion valve of a kind of wedging.This invention takes the technological scheme of bar wedging housing cavity, to detonate the intrinsic defect of the easy resilience of rear bar to solve existing electric explosion valve, meet pressurizing transmission system to the requirement of tank supercharging.
The technological scheme that the present invention adopts for its technical problem of solution is:
The anti-rebound electric explosion valve of a kind of wedging, wherein, this electric explosion valve is opened after being detonated by electric detonator, it is characterized in that, this electric explosion valve comprises housing, sleeve, bar and piston, throughly on housing be provided with cavity, housing and sleeve connection, and space forms communicating space in cavity and sleeve, piston can be movable back and forth at communicating space, and described piston and described housing are to form explosion chamber, and piston and lever linkage, described bar seals after inserting described explosion chamber, described housing is provided with C mouth, described electric detonator is arranged in described C mouth, C mouth and explosion chamber can have to be communicated with and arrange, described bar has first conical surface, the inner chamber of described housing has second conical surface, after described electric detonator detonates, pressurized gas are formed in described explosion chamber, promote described piston and then pull described bar, after the shoulder of described bar is pulled off, described second conical surface of described first conical surface wedging.
According to the anti-rebound electric explosion valve of the wedging described in present pre-ferred embodiments, described first conical surface is provided with groove.
According to the anti-rebound electric explosion valve of the wedging described in present pre-ferred embodiments, described groove is three roads.
According to the anti-rebound electric explosion valve of the wedging described in present pre-ferred embodiments, the cone angle of described first conical surface and described second conical surface is in the same size.
According to the anti-rebound electric explosion valve of the wedging described in present pre-ferred embodiments, the cone angle of described first conical surface and described second conical surface is 20 °.
According to the anti-rebound electric explosion valve of the wedging described in present pre-ferred embodiments, described C mouth is two, relative to the symmetrical setting of described bar.
Compared with prior art, there is following technique effect in the present invention:
The present invention adopts 20 ° of conical surfaces on rod member and three road grooves, after electric detonator is detonated, in piston pull lever wedging housing cavity, thus opens electric explosion valve.20 ° of conical surfaces on bar of the present invention and three road grooves and housing cavity 20 ° of conical surfaces calculate through coordinating, and can guarantee bar wedging housing and wedging, solve the problem of the easy resilience of electric explosion valve rod member.Therefore, the present invention achieves the beneficial effects such as structure is simple, strong adaptability, reliability are high, good seal performance.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation wedging anti-rebound electric explosion valve of the specific embodiment of the invention;
Fig. 2 is a kind of bar structural drawing wedging anti-rebound electric explosion valve of the specific embodiment of the invention;
Fig. 3 is a kind of shell construction sectional view wedging anti-rebound electric explosion valve of the specific embodiment of the invention;
Mark in figure: housing 1; Connecting-tube nozzle 2; Bar 3; O cushion rubber 4; Piston 5; Lock washer 6; Sleeve 7; Explosion chamber 8; First conical surface 9; Second conical surface 10; Groove 11.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Figure 1 shows that a kind of structural representation wedging anti-rebound electric explosion valve of the present invention, this electric explosion valve is opened after being detonated by electric detonator, this electric explosion valve comprises housing 1, connecting-tube nozzle 2, bar 3, O cushion rubber 4, piston 5, lock washer 6, sleeve 7 and explosion chamber 8, piston 5 and housing 1 form explosion chamber 8, sealed by O cushion rubber 4 after bar 3 inserts explosion chamber 8, electric detonator is arranged on the C mouth of housing 1, bar 3 has first conical surface 9, the inner chamber of housing 1 has second conical surface 10, after electric detonator detonates, pressurized gas are formed in explosion chamber 8, promote piston pull lever 3 then, after the shoulder of bar 3 is pulled off, second conical surface 10 wedged by first conical surface 9.Throughly on housing 1 be provided with cavity, housing 1 is connected with sleeve 7, and space forms communicating space in cavity and sleeve, the afterbody of piston 5 can be movable back and forth at communicating space, and piston 5 and housing are to form explosion chamber, and the end head of piston and bar 3 interlock, bar 3 seals after inserting explosion chamber, described housing is provided with C mouth, described electric detonator is arranged in described C mouth, and C mouth and explosion chamber can have to be communicated with and arrange.
First conical surface 9 is consistent with the cone angle size of second conical surface 10, selects cone angle to be in the present embodiment
First conical surface 9 and second conical surface 10 of 20 °, bar 3 can wedge housing 1 inner chamber under the pulling function of piston 5, in the present embodiment, the size of cone angle is not specifically limited, as long as bar 3 can be made to wedge housing 1 inner chamber, but when first conical surface 9 is consistent with the cone angle size of second conical surface 10, when housing 1 inner chamber wedged by bar 3, housing 1 inner chamber can produce effective deformation makes bar 3 wedge rear wedging.
Meanwhile, first conical surface 9 is provided with at least one groove 11, for the resilience of anti-stopping bar 3, in the present embodiment, has selected three road grooves 11.
C mouth in the present embodiment is two, and relative to the symmetrical setting of bar 3, the quantity of concrete C mouth is not specifically limited.
Owing to adopting technique scheme, a kind of specific works principle wedging anti-rebound electric explosion valve provided by the invention:
According to the present invention, in electric explosion valve gas access, place passes into pressurization gas, before electric explosion valve is not opened, by connecting-tube nozzle 2, bar 3, housing 1 keeps sealing, after two electric detonators being contained in C mouth detonate, form pressurized gas, promote the downward high-speed mobile of piston 5 driven rod 3, period, the shoulder of bar 3 was pulled off, electric explosion valve initial opening, gas enters electric explosion valve housing 1 inner chamber, bar 3 is under the pulling of piston 5, continue downward high-speed motion, last first conical surface 9 and three road grooves 11 are wedged in second conical surface 10, housing 1 inner chamber produces plastic deformation, make bar 3 and the reliable wedging of housing 1 inner chamber, bar 3 and O cushion rubber 4 are formed and seal, electric explosion valve is opened completely, finish the work.The bar 3 with first conical surface 9 and three road grooves 11 tightly can wedge the second conical surface 10 inner chamber of housing 1 under the pulling function of piston 5, stops bar 3 resilience.
Be only a specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of, all should drops in protection scope of the present invention.
Claims (3)
1. the anti-rebound electric explosion valve of wedging, wherein, this electric explosion valve is opened after being detonated by electric detonator, it is characterized in that, this electric explosion valve comprises housing, sleeve, bar and piston, throughly on housing be provided with cavity, housing and sleeve connection, and space forms communicating space in cavity and sleeve, piston can be movable back and forth at communicating space, and described piston and described housing are to form explosion chamber, and piston and lever linkage, described bar seals after inserting described explosion chamber, described housing is provided with C mouth, described electric detonator is arranged in described C mouth, C mouth and explosion chamber can have to be communicated with and arrange, described bar has first conical surface, the inner chamber of described housing has second conical surface, after described electric detonator detonates, pressurized gas are formed in described explosion chamber, promote described piston and then pull described bar, after the shoulder of described bar is pulled off, described second conical surface of described first conical surface wedging, described first conical surface is provided with groove, described groove is three roads, the cone angle of described first conical surface and described second conical surface is in the same size, and the cone angle of described first conical surface and described second conical surface is 20 °.
2. electric explosion valve as claimed in claim 1, it is characterized in that, described C mouth is two, relative to the symmetrical setting of described bar.
3. electric explosion valve as claimed in claim 1, is characterized in that, described bar inserts after described explosion chamber by O rubber sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210463010.XA CN102927341B (en) | 2012-11-16 | 2012-11-16 | Wedged anti-rebound electric explosion valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210463010.XA CN102927341B (en) | 2012-11-16 | 2012-11-16 | Wedged anti-rebound electric explosion valve |
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| CN102927341A CN102927341A (en) | 2013-02-13 |
| CN102927341B true CN102927341B (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210463010.XA Active CN102927341B (en) | 2012-11-16 | 2012-11-16 | Wedged anti-rebound electric explosion valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468842A (en) * | 2017-11-08 | 2018-08-31 | 武汉航空仪表有限责任公司 | A kind of electric detonation air-breather |
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| CN104600336B (en) * | 2013-11-01 | 2017-10-27 | 上海空间电源研究所 | Highly reliable source of the gas activates device |
| CN104344033B (en) * | 2014-09-12 | 2016-09-21 | 西北核技术研究所 | A kind of explosion driving Quick open valve door |
| CN104358886B (en) * | 2014-09-12 | 2016-08-24 | 西北核技术研究所 | A kind of explosion driving fast sealing valve |
| CN105422941B (en) * | 2015-12-09 | 2018-07-17 | 西安航天动力研究所 | A kind of mining fire electro-explosion valve of high-pressure large-caliber |
| CN105465443A (en) * | 2015-12-15 | 2016-04-06 | 西安航天动力研究所 | Normally closed electric explosion valve |
| CN108679284B (en) * | 2018-06-29 | 2019-10-29 | 上海空间推进研究所 | A kind of modularization low pressure cuts through formula gas explosion valve |
| CN116115944A (en) * | 2023-03-01 | 2023-05-16 | 湖北航天化学技术研究所 | Electric-starting non-pressure-storage type liquid-based explosion suppression bottle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070998C (en) * | 1996-02-09 | 2001-09-12 | 王虎儒 | Hand-operated pneumatic hydraulic electric storm driven valve |
| US6131594A (en) * | 1998-08-13 | 2000-10-17 | Fike Corporation | Gas cartridge actuated isolation valve |
| JP3821835B2 (en) * | 2003-01-10 | 2006-09-13 | 川重防災工業株式会社 | Quick opening pressure regulating valve, fire extinguishing device using the same, high pressure gas cylinder device, and fluid quick supply device |
| CN201326796Y (en) * | 2008-12-25 | 2009-10-14 | 上海空间推进研究所 | Large flow electric explosion valve for inflammable medium |
| CN101865321B (en) * | 2010-07-08 | 2012-01-11 | 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 |
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2012
- 2012-11-16 CN CN201210463010.XA patent/CN102927341B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468842A (en) * | 2017-11-08 | 2018-08-31 | 武汉航空仪表有限责任公司 | A kind of electric detonation air-breather |
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| CN102927341A (en) | 2013-02-13 |
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