CN202074062U - Gate normal open electric explosion valve - Google Patents
Gate normal open electric explosion valve Download PDFInfo
- Publication number
- CN202074062U CN202074062U CN2010206699394U CN201020669939U CN202074062U CN 202074062 U CN202074062 U CN 202074062U CN 2010206699394 U CN2010206699394 U CN 2010206699394U CN 201020669939 U CN201020669939 U CN 201020669939U CN 202074062 U CN202074062 U CN 202074062U
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- electric explosion
- valve
- spool
- axial passage
- electric
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- Expired - Lifetime
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Abstract
The utility model discloses a gate normal open electric explosion valve, which includes a valve body (3), wherein the lower part of the valve body (3) is inserted into a pipe nozzle (4); the inner cavity of the valve body (3) is provided with an axial passage; an electric explosion fuel gas cavity (7) and an electric explosion pipe (6) are mounted at the upper part of the electric explosion fuel gas cavity (7); a valve core (2) is mounted at the lower part of the electric explosion fuel gas cavity (7); a check ring (8) and an O-shaped ring (9) are arranged on the periphery of the upper section of the valve core (2), and the lower end of the valve core (2) is a conical surface structure and matched with the conical surface of the axial passage; the lower section of the valve core (2) is a wedge gate plate structure with a certain degree; the bottom end of the valve core (2) is directed at the minimum part of the diameter of the excircle of the pipe nozzle (4); and the utmost lowest part of the axial passage is provided with a collecting cavity (5). The gate normal open electric explosion valve solves the problem that the conventional electric explosion valve can not close the flow passage in liquid working medium and inflammable and explosive working medium.
Description
Technical field
The utility model relates to a kind of valve, particularly a kind of lock Shi Changkai electric explosion valve.
Background technique
Electric explosion valve is disposable service valve, is characterized in simple in structure, responds soon, and reliability height, working medium mostly are pressurized gas and dangerous liquid.At present, known electric explosion valve is distinguished by the difference of function, is divided into often opening two types of electric explosion valve and normally closed electric explosion valves.Often open electric explosion valve: before the electric detonator gunpowder explosion, the runner in the valve is to be in opening state, and during the energising electric detonation, valve event realizes closing the runner function; The function of normally closed electric explosion valve is then opposite.
Mostly be normally closed electric explosion valve product on the market, it is less often to open electric explosion valve, and often open electric explosion valve and only be confined to use common gas circuit medium, this is because because the electric explosion valve of often opening of prior art all adopts plug formula sealing configuration, promptly spool is a piston structure, during electric detonation, the high-pressure gas that spool is produced by electric detonation promotes to move in runner, utilizes piston structure to stop up runner, reaches the function that runner is closed.Therefore this class formation, has following defective because spool moves all the time in runner:
(1) because spool moves in runner, can produce very big impact to the working medium in the runner, because liquid can not pressure property, can produce very serious water hammer in the runner, the water attack meeting destroys sealing, and to the influence that impacts of other device in the pipeline.
(2) because spool moves in runner, when spool promotes at the high-pressure gas that is produced by electric detonation, be difficult to avoid high-pressure gas to enter runner and contact with working medium by movement clearance, when working medium is inflammable hazmat, can produce danger.
Above problem is difficult to solve all the time.
Do not have at present explanation and the report of discovery, do not collect both at home and abroad similarly data as yet yet with the utility model similar techniques.
The model utility content
For solve prior art often open electric explosion valve can't applicable liquid and the problem of inflammable and explosive working medium, technical problem to be solved in the utility model is to provide a kind of lock Shi Changkai electric explosion valve.Utilize the utility model, can solve and often hold electric explosion valve and can produce very serious water hammer during for liquid, produce dangerously, destroy sealing, the problem that can not effectively work at working medium; Utilize the utility model, can also solve and often open electric explosion valve when working medium is inflammable and explosive fluid, the electric detonation combustion gas enters runner easily and produces danger, the problem that can not effectively work.
The utility model is that the technological scheme that its technical problem of solution is adopted provides a kind of lock Shi Changkai electric explosion valve, this device comprises valve body, and there is cross through hole its underpart, and through hole has ledge structure, insert the import and export of ozzle as working medium, ozzle inserts the ledge structure location of back by through hole; Ozzle one end has ledge structure, the equal bilateral symmetry of all the other structures, and the minimum place of its outside diameter just in time is positioned at the neutral position; The body cavity center has an axial passage, and axial passage top is electric detonation combustion gas chamber, and the electric detonation combustion gas is equipped with electric detonator in the chamber, and fixes by head seal; The electric detonation combustion gas is equipped with spool below the chamber; Spool has three sections, and the outer periphery of epimere is provided with baffle ring and O shape circle, and the lower end is a cone structure, with the cone match of axial passage; The spool stage casing is for omiting the wedge-type flashboard structure of tool several angle; The spool hypomere is an arc groove structure; Under the minimum place of ozzle outside diameter, promptly the foot of axial passage has collection cavity.
Preferably, in the above-mentioned lock Shi Changkai of the utility model electric explosion valve, described ozzle removes an end and has ledge structure left and right sides symmetrical configuration, and its middle part form structure is the hourglass shape, and is minimum along the external diameter that the conical surface carries out the transition to the centre gradually from the big cylindrical of both sides.
Preferably, in the above-mentioned lock Shi Changkai of the utility model electric explosion valve, the conical surface angle of described spool epimere is slightly larger than the conical surface angle that cooperates with it in the axial passage, is interference fit.
Preferably, in the above-mentioned lock Shi Changkai of the utility model electric explosion valve, described spool is installed in the valve body axial passage, and its hypomere arc groove structure just in time forms Spielpassung at the minimum place of the outside diameter of ozzle.
The utility model lock Shi Changkai electric explosion valve, owing to adopt above-mentioned technological scheme, the spool of wedge-type flashboard structure is perpendicular media runner direction incision pipeline when electric detonation, working medium in the runner is not pushed, and has solved valve core movement and can make liquid medium produce the problem of serious water hammer.Because the side plane that adopts wedge-type flashboard structure on the spool is closed runner with the sealing configuration that the interference extruding that pipeline forms forms, the spool epimere also is equipped with baffle ring and O shape circle, has solved the problem that the high-pressure gas of electric detonation generation can enter runner.Therefore, the utility model has been obtained no water attack, good airproof performance, and is simple in structure, safe and reliable, and realized often opening the beneficial effect that electric explosion valve can use liquid and inflammable and explosive working medium.
Description of drawings
Fig. 1 is the sectional view of the utility model lock Shi Changkai electric explosion valve;
Fig. 2 is the sectional view after the utility model lock Shi Changkai electric explosion valve electric detonation action.
Embodiment
Below in conjunction with the drawings and specific embodiments, further set forth the utility model.These embodiments be interpreted as only being used to the utility model is described and be not used in the restriction protection domain of the present utility model.After the content of having read the utility model record, those skilled in the art can make various changes or modifications the utility model, and these equivalences change and modification falls into the utility model claim institute restricted portion equally.
As shown in Figure 1, the lock Shi Changkai electric explosion valve that the utility model preferred embodiment provides comprises valve body 3, and cross through hole is arranged at valve body 3 bottoms, and through hole has ledge structure, inserts the import and export of ozzle 4 as working medium, and ozzle 4 inserts the ledge structure location of back by through hole; Ozzle 4 one ends have ledge structure, the equal bilateral symmetry of all the other structures, and the minimum place of its outside diameter just in time is positioned at the neutral position; Valve body 3 lumen centers have an axial passage, and passage top is electric detonation combustion gas chamber 7, and electric detonator 6 is installed in the chamber, by head 1 sealing and fixing; Below the electric detonation combustion gas chamber 7 spool 2 is installed; Spool 2 has three sections, and the outer periphery of epimere is provided with baffle ring 8 and O shape circle 9, and the lower end is a cone structure, with the cone match of axial passage; Spool 2 stage casings are for omiting the wedge-type flashboard structure of tool several angle; The hypomere of spool 2 is an arc groove structure; Under the minimum place of ozzle 4 outside diameters, promptly the foot of axial passage has collection cavity 5.
In the present embodiment, baffle ring 8 is that 2 roads, O shape circle 9 are 2 roads.The latus rectum of valve is just determined by ozzle 4 internal diameters.In addition, in the present embodiment, internal diameter is selected Φ 8 for use, imports and exports to be the 60 ° of spherical pipe joints that are spirally connected.
Below in conjunction with accompanying drawing working procedure of the present utility model is described.
As shown in Figure 2, during use, electric detonator 6 energising blasts, the combustion gas of generation forms high pressure in electric detonation combustion gas chamber 7, and its combustion gas overwhelming majority can't be entered the middle hypomere of spool 2 by baffle ring 8 and the 9 effective sealings of O shape circle.Under pushed at high pressure, spool 2 moves downward, after its hypomere cuts off the minimum place of ozzle 4 outside diameters, continue to move downward in the process, the side plane of the wedge brake plate structure in spool 2 stage casings begins to produce extruding with ozzle 4, the sealing configuration that the interference extruding forms is effectively closed runner, and the effectively few combustion gas that partly enters into the cutting knife lower end of isolation completely, that moves is last, the conical surface in the conical surface of spool 2 epimeres and valve body 3 axial passages forms interference fit, stop spool 2 to continue to move downward, and form redundant sealing effect the combustion gas chamber.And be pushed in the collection cavity 5 of valve body lower end by the minimum place of ozzle 4 outside diameters that spool 2 cuts off, cut part is not exerted an influence to the work of valve.
From the above mentioned, the spool 2 of wedge-type flashboard structure is perpendicular media runner direction incision ozzle 4 when electric detonation, working medium in the runner is not pushed, solve valve core movement and can make liquid medium produce the problem of serious water hammer, thereby guaranteed often to open the use of electric explosion valve in liquid-working-medium.Close runner owing to adopt the sealing configuration of the side plane of wedge-type flashboard structure on the spool 2 and the interference extruding formation that ozzle 4 forms, the spool epimere also is equipped with baffle ring 8 and O shape circle 9, the high-pressure gas that has solved the electric detonation generation can enter the problem of runner, thereby has guaranteed often to open the use of electric explosion valve in inflammable and explosive working medium.
Claims (4)
1. a lock Shi Changkai electric explosion valve comprises valve body [3], it is characterized in that, valve body [3] bottom has cross through hole, and through hole has ledge structure, and ozzle [4] is by the ledge structure location of through hole; Ozzle [4] one ends have ledge structure, the equal bilateral symmetry of all the other structures, and the minimum place of its outside diameter just in time is positioned at the neutral position; Valve body [3] lumen centers has an axial passage, and axial passage top is electric detonation combustion gas chamber [7], and electric detonator [6] is installed in the electric detonation combustion gas chamber, and by head [1] sealing and fixing; Spool [2] is installed below the electric detonation combustion gas chamber [7]; Spool [2] has three sections, and the outer periphery of epimere is provided with baffle ring [8] and O shape circle [9], and the lower end is a cone structure, with the cone match of axial passage; Spool [2] stage casing is for omiting the wedge-type flashboard structure of tool several angle; Spool [2] hypomere is an arc groove structure; Under the minimum place of ozzle [4] outside diameter, promptly the foot of axial passage has collection cavity [5].
2. lock Shi Changkai electric explosion valve as claimed in claim 1, it is characterized in that: described ozzle [4] removes an end and has ledge structure left and right sides symmetrical configuration, its middle part form structure is the hourglass shape, and is minimum along the external diameter that the conical surface carries out the transition to the centre gradually from the big cylindrical of both sides.
3. lock Shi Changkai electric explosion valve as claimed in claim 1 is characterized in that: the conical surface angle of described spool [2] epimere is slightly larger than the conical surface angle that cooperates with it in the axial passage, is interference fit.
4. lock Shi Changkai electric explosion valve as claimed in claim 1 is characterized in that: described spool [2] is installed in valve body [3] axial passage, and its hypomere arc groove structure just in time forms Spielpassung at the minimum place of the outside diameter of ozzle [4].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206699394U CN202074062U (en) | 2010-12-17 | 2010-12-17 | Gate normal open electric explosion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206699394U CN202074062U (en) | 2010-12-17 | 2010-12-17 | Gate normal open electric explosion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202074062U true CN202074062U (en) | 2011-12-14 |
Family
ID=45112165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206699394U Expired - Lifetime CN202074062U (en) | 2010-12-17 | 2010-12-17 | Gate normal open electric explosion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202074062U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032593A (en) * | 2012-12-18 | 2013-04-10 | 中国航天科技集团公司第六研究院第十一研究所 | Satellite-used normally-opened titanium alloy gunpowder fuel gas actuated valve |
| 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 |
| CN104344033A (en) * | 2014-09-12 | 2015-02-11 | 西北核技术研究所 | Quick opening door for explosive driving |
| CN104373618A (en) * | 2014-10-20 | 2015-02-25 | 北京宇航系统工程研究所 | Anti-rebounding self-balancing valve structure |
| CN105020460A (en) * | 2015-06-20 | 2015-11-04 | 沈阳航天新光集团有限公司 | Openable valve |
| CN105587911A (en) * | 2016-02-15 | 2016-05-18 | 中国船舶重工集团公司第七〇五研究所 | Gas cylinder gas release control device for underwater vehicle |
| CN106195351A (en) * | 2016-08-30 | 2016-12-07 | 沈阳航天新光集团有限公司 | A kind of startup electric detonation valve |
| CN106439156A (en) * | 2016-12-14 | 2017-02-22 | 中国工程物理研究院总体工程研究所 | Self-tightening sealing type electric explosion valve |
| CN109630698A (en) * | 2018-12-20 | 2019-04-16 | 兰州空间技术物理研究所 | A kind of low impact high pressure electric blasting valve open in usual |
| CN111022722A (en) * | 2019-11-27 | 2020-04-17 | 西安航天动力研究所 | Gas-driven membrane overturning type normally-closed valve |
| CN114352731A (en) * | 2021-12-21 | 2022-04-15 | 上海空间推进研究所 | Indirect-action normally-open electric explosion valve |
-
2010
- 2010-12-17 CN CN2010206699394U patent/CN202074062U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103032204B (en) * | 2012-12-12 | 2016-05-18 | 中国航天科技集团公司第六研究院第十一研究所 | A kind of non-electric detonating formula Redundant Control electric detonation isolating valve |
| CN103032593A (en) * | 2012-12-18 | 2013-04-10 | 中国航天科技集团公司第六研究院第十一研究所 | Satellite-used normally-opened titanium alloy gunpowder fuel gas actuated valve |
| CN104344033A (en) * | 2014-09-12 | 2015-02-11 | 西北核技术研究所 | Quick opening door for explosive driving |
| CN104373618A (en) * | 2014-10-20 | 2015-02-25 | 北京宇航系统工程研究所 | Anti-rebounding self-balancing valve structure |
| CN105020460A (en) * | 2015-06-20 | 2015-11-04 | 沈阳航天新光集团有限公司 | Openable valve |
| CN105587911A (en) * | 2016-02-15 | 2016-05-18 | 中国船舶重工集团公司第七〇五研究所 | Gas cylinder gas release control device for underwater vehicle |
| CN106195351A (en) * | 2016-08-30 | 2016-12-07 | 沈阳航天新光集团有限公司 | A kind of startup electric detonation valve |
| CN106439156A (en) * | 2016-12-14 | 2017-02-22 | 中国工程物理研究院总体工程研究所 | Self-tightening sealing type electric explosion valve |
| CN109630698A (en) * | 2018-12-20 | 2019-04-16 | 兰州空间技术物理研究所 | A kind of low impact high pressure electric blasting valve open in usual |
| CN111022722A (en) * | 2019-11-27 | 2020-04-17 | 西安航天动力研究所 | Gas-driven membrane overturning type normally-closed valve |
| CN111022722B (en) * | 2019-11-27 | 2021-06-08 | 西安航天动力研究所 | Gas-driven membrane overturning type normally-closed valve |
| CN114352731A (en) * | 2021-12-21 | 2022-04-15 | 上海空间推进研究所 | Indirect-action normally-open electric explosion valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111214 |