CN106134410B - Bellows-type pilot solenoid valve - Google Patents
Bellows-type pilot solenoid valveInfo
- Publication number
- CN106134410B CN106134410B CN200910125591.4A CN200910125591A CN106134410B CN 106134410 B CN106134410 B CN 106134410B CN 200910125591 A CN200910125591 A CN 200910125591A CN 106134410 B CN106134410 B CN 106134410B
- Authority
- CN
- China
- Prior art keywords
- main
- valve
- armature
- bellows
- main valve
- Prior art date
- 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.)
- Expired - Fee Related
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- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a kind of bellows-type pilot solenoid valve, as the control valve of engine propellant. Bellows-type pilot solenoid valve, is made up of main valve and secondary valve, and main valve is driven by working medium pressure (gas or liquid), and secondary valve is a small-sized direct-acting electromagnetic valve. It has large flow, high pressure, corrosion resistant feature.
Description
Technical field
The present invention relates to valve technology field, especially a kind of bellows-type guide for guided missile fieldMagnetic valve.
Background technology
Propellant Control valve mainly contains three kinds of basic patterns: Direct Action Type, pneumatic type and pilot-operated type. DirectlyDynamic formula valve is instruction to be passed to armature directly drive spool, and such valve is generally with a helicalPipe drives, and it provides a weight for having compared with the propellant valve of low discharge and operating pressureThe solution of amount, volume and economical the best. But along with the raising of flow and operating pressure, straightDynamic formula scheme just cannot meet the demands aspect Performance and quality.
In the time that flow and operating pressure reach certain value, valve generally adopts the solution of pneumatic type and pilot-operated typeCertainly scheme. Pneumatic type valve is by cutting off or connect high-pressure air source, the pressure of utilizing gases at high pressure to producePower drives movable part to open valve. Like this, certainly will in system, increase a set of gas circuit, addThe large complexity of system.
Theater Missile Defense(TMD) system requires the valve control rocket engine with lightweight miniaturization, for realityThe lightweight miniaturization of existing valve, and the large flow of adaptive system, high pressure and corrosion resistant feature, thisBright a kind of novel pilot solenoid valve scheme proposed. This pilot solenoid valve is by controlling opening of secondary valveClose, utilize the flow differential pressure of propellant to realize the opening and closing of main valve, the use of bellows moreIncrease the corrosion resistance of valve.
Summary of the invention
Problem to be solved by this invention is the guide electromagnetic valve that guided missile uses, can large flow,Under high pressure, deep-etching operating mode, work, realized again lightweight and miniaturization. The present invention proposes a kind of rippleLine tube type electromagnetic valve.
A kind of bellows-type pilot solenoid valve of the present invention, is made up of main valve and secondary valve, described main valve withSecondary valve is linked together by 4 bolts 16, and described secondary valve mainly comprises: coil block 1, secondary bulletSpring 2, secondary armature 3, auxiliary-seat 4; Its structure connected mode is: described coil block 1 inner chamber dressThere are auxiliary spring 2, secondary armature 3; Described auxiliary spring 2 be arranged on coil block 1 and secondary armature 3 itBetween; Described secondary armature 3 machineries have been press-fitted encapsulant, form the sealing pair of secondary valve with auxiliary-seat 4,Being movement parts, is again the passage of working media; On described auxiliary-seat 4, be processed with cutting edge, with lineCoil assembly 1 is welded as a whole, as the passage of working media. Main valve mainly comprises: main armature 5,Filter 6, valve body 7, main spring 8, main spring seat 9, end cap 10, main valve plug overcoat 11, mainSpool 12, damping hole 13, bellows 14, briquetting 15; Its structure connected mode is: described valveBody 7 entrances are working media intake channel, and its valve body 7 entrances are equipped with filter 6; Described filtrationDevice 6 is designed to the three-dimensional form of two round platform stacks, is spirally connected and is integrated with valve body 7; Described valve body7 inner chambers be equipped with briquetting 15, bellows 14, main armature 5, main valve plug 12, main valve plug overcoat 11,Main spring 8, main spring seat 9; Described bellows 14 welded by hoop by multiple convoluted diaphragms andBecome, its bellows 14 is welded as a whole with briquetting 15 and main armature 5, realizes nothing at valve body 7 inner chambersFriction slip; It is middle with main valve plug overcoat 11 that described main valve plug 12 is pressed in main armature 5, its main valveCutting edge on core 12 and valve body 7 forms the sealing pair of main valve; Described main valve plug overcoat 11 and main rankIron 5 is screwed together; Described main spring 8 be arranged on main spring seat 9 and main valve plug overcoat 11 itBetween; Described main spring seat 9 is screwed onto valve body 7 inner chambers; Described end cap 10 is screwed onto valve body 7On.
Compared with prior art, the present invention has following innovation and outstanding progress:
1. the version of novelty: select a small-sized direct-acting electromagnetic valve as secondary valve, rely on workThe pressure of making medium drives main valve events, has solved the contradiction of large flow and miniaturization;
2. welded type bellows is as the first moving sealing element of secondary valve, realized fricton-tight under large strokeFriction, has also solved corrosion resistant problem simultaneously;
3. the sealing force of main valve is carried by pressure differential and the main spring power of operation medium in different areaConfession, the method for employing pressure differential and spring assembly, both can regulate the pressure oscillation of working media (to drawPlay water attack and propellant fire), can ensure again good sealing property simultaneously;
4. the design of three-dimensional filter, can increase circulation area greatly, reduces inlet size.
Brief description of the drawings
Fig. 1 is the structural representation of bellows-type pilot solenoid valve;
Fig. 2 is the structural representation of bellows-type pilot solenoid valve holding state;
Fig. 3 is the structural representation of bellows-type pilot solenoid valve opening;
Fig. 4 is the structural representation of bellows-type pilot solenoid valve closed condition.
Detailed description of the invention
Below in conjunction with brief description of the drawings the preferred embodiments of the present invention.
Fig. 1 is the structural representation of bellows-type pilot solenoid valve. As shown in the embodiment of Fig. 1, shouldDevice comprises: coil block 1, auxiliary spring 2, secondary armature 3, auxiliary-seat 4, main armature 5, filtrationDevice 6, valve body 7, main spring 8, main spring seat 9, end cap 10, main valve plug overcoat 11, main valve plug12, damping hole 13, bellows 14, briquetting 15. It is as follows that it connects configuration relation:
Described valve body 7 entrances are working media intake channel, and its material is stainless steel 1Cr18Ni9Ti,Guarantee the compatibility having had with the working media of severe corrosive, valve body 7 entrances are equipped with filter 6;Described filter 6 is designed to the three-dimensional form of two round platform stacks, can greatly increase circulation area,Reduce inlet size, filter screen is formed by the compacting of lamination metal braiding silk screen, has high strength and goodHole penetrating power, filter 6 is screwed onto valve body 7 arrival ends; Described valve body 7 inner chambers are equipped with pressurePiece 15, bellows 14, main armature 5, main valve plug 12, main valve plug overcoat 11, main spring 8, mainSpring base 9; Described bellows 14 is welded by hoop by multiple convoluted diaphragms, convoluted diaphragm,The material of briquetting 15 and main armature 5 is all selected stainless steel 1Cr18Ni9Ti, bellows 14 and briquetting 15Be welded as a whole with main armature 5, it is realized without friction slip at valve body 7 inner chambers; Described main valve plug12 are pressed in the middle of main armature 5 and main valve plug overcoat 11, and main valve plug 12 materials are fluoroplastics, main valve plug12 with valve body 7 on cutting edge form the sealing pair of main valve; Described main valve plug overcoat 11 and main armature5 are screwed together; Described bellows 14, main armature 5, main valve plug 12 and main valve plug overcoat 11Become one by welding and being spirally connected, under the acting in conjunction of and main spring power poor at working medium pressure,Main valve completes opening and closing action, realizes the connected sum isolation of entrance and exit working media; DescribedMain spring 8 be arranged between main spring seat 9 and main valve plug overcoat 11; Described main spring seat 9Be screwed onto valve body 7 inner chambers; Described end cap 10 is screwed onto on valve body 7. Described coil block 1Inner chamber is equipped with auxiliary spring 2, secondary armature 3; Described auxiliary spring 2 is arranged on coil block 1 and secondary rankBetween iron 3; On described secondary armature 3, machinery has been press-fitted encapsulant fluoroplastics, with auxiliary-seat 4 shapesBecome the sealing pair of secondary valve, it is movement parts for secondary armature 3, is again the passage of working media, secondary armature3 under working medium pressure and the effect of auxiliary spring power, fits with auxiliary-seat 4, secondary valve cuts out to resistanceFlowing of disconnected working media, realizes closing of main valve, when giving after coil block 1 energising, and secondary armature 3Depart from auxiliary-seat 4, secondary valve is opened, be communicated with flowing of working media, realize the unlatching of main valve;On described auxiliary-seat 4, be processed with cutting edge, be welded as a whole with coil block 1, as working mediaPassage.
Further the course of work of the present invention is described below.
Bellows-type pilot solenoid valve of the present invention as shown in Figure 1. This valve working process is mainly divided intoThree phases:
First stage is holding state, and as shown in Figure 2, working media filters from main valve import processDevice [6] is incorporated into secondary valve inlet, and secondary armature [3] seals auxiliary-seat [4] under auxiliary spring [2] effect;
Second stage is opening, as shown in Figure 3, when coil block [1] energising, secondary armature [3]Leave auxiliary-seat [4], secondary valve is opened, and working media starts to enter into the back cavity of main armature [5], ripplePipe [14] inner chamber working medium pressure drives main valve to overcome main spring [8] power, until main valve plug [12] is openedOpen, working media flow into outlet from import;
Three phases is closed condition, as shown in Figure 4, when coil block [1] power-off, secondary armature [3]Under auxiliary spring [2] effect, close secondary valve, prevention working media enters the cavity volume of main armature [5], main rankWorking media remaining in iron [5] chamber is extruded and enters main valve outlet from damping hole [13], at main spring[8] and under the effect of working medium pressure, main valve is closed.
Claims (6)
1. a bellows-type pilot solenoid valve, is made up of main valve and secondary valve, and main valve and secondary valve are by 4Bolt links together, and secondary valve is a small-sized direct-acting electromagnetic valve, comprising: coil block [1],Auxiliary spring [2], secondary armature [3], auxiliary-seat [4]; It is characterized in that: in described coil block [1]Auxiliary spring [2], secondary armature [3] are equipped with in chamber; Described auxiliary spring [2] is arranged on coil block [1] and pairBetween armature [3]; Described secondary armature [3] machinery has been press-fitted encapsulant, forms with auxiliary-seat [4]The sealing pair of secondary valve; On described auxiliary-seat [4], be processed with cutting edge, be welded as one with coil block [1]Body, as the passage of working media; Main valve comprises: main armature [5], filter [6], valve body [7],Main spring [8], main spring seat [9], end cap [10], main valve plug overcoat [11], main valve plug [12], resistanceBuddhist nun hole [13], bellows [14], briquetting [15]; Described valve body [7] entrance is working media importPassage, valve body [7] entrance is equipped with filter [6]; It is folded that described filter [6] is designed to two round platformsThe three-dimensional form adding, is spirally connected and is integrated with valve body [7]; Described valve body [7] inner chamber be equipped with briquetting [15],Bellows [14], main armature [5], main valve plug [12], main valve plug overcoat [11], main spring [8], mainSpring base [9]; Described bellows [14] is welded by hoop by multiple convoluted diaphragms, ripplePipe [14] is welded as a whole with briquetting [15] and main armature [5], realizes without friction close at valve body [7] inner chamberEnvelope; It is middle with main valve plug overcoat [11] that described main valve plug [12] is pressed in main armature [5], main valve plug [12]Sealing pair with the cutting edge formation main valve on valve body [7]; Described main valve plug overcoat [11] and main armature[5] be screwed together; Described main spring [8] is arranged on main spring seat [9] and main valve plug overcoat [11]Between; Described main spring seat [9] is screwed onto valve body [7] inner chamber; Described end cap [10] is screwed onto valveOn body [7].
2. a kind of bellows-type pilot solenoid valve according to claim 1, is characterized in that: rippleThe course of work of line tubular type pilot solenoid valve is that working media draws through filter [6] from main valve importEnter to secondary valve inlet, secondary armature [3] seals auxiliary-seat [4] under auxiliary spring [2] effect, works as coil groupsWhen part [1] energising, secondary armature [3] leaves auxiliary-seat [4], and secondary valve is opened, and working media starts to enterTo the back cavity of main armature [5], bellows [14] inner chamber working medium pressure drives main valve to overcome main spring[8] power, until main valve plug [12] is opened, working media flow into main valve outlet from main valve import; WhenWhen coil block [1] power-off, secondary armature [3] is closed secondary valve, prevention work under auxiliary spring [2] effectMedium enters the back cavity of main armature [5], and working media remaining in main armature [5] back cavity is from damping hole[13] be extruded and enter main valve outlet, under the effect of main spring [8] and working medium pressure, main valveClose.
3. a kind of bellows-type pilot solenoid valve according to claim 1, is characterized in that: rippleLine tubular type pilot solenoid valve main valve bore is not less than Φ 29mm, and stroke is not less than 7mm.
4. a kind of bellows-type pilot solenoid valve according to claim 1, is characterized in that: rippleLine tubular type pilot solenoid valve adopts welded type bellows as dynamic seal, has realized fricton-tight sealing.
5. a kind of bellows-type pilot solenoid valve according to claim 1, is characterized in that: rippleThe main armature [5] of line tubular type pilot solenoid valve adopts mechanical connection manner, main armature with main valve plug [12][5] there is a damping hole [13] at center, in the time that main valve plug [12] is closed, by bellows [14] chamberInterior working media enters main valve exit.
6. a kind of bellows-type pilot solenoid valve according to claim 1, is characterized in that: rippleThree-dimensional filter is equipped with in the main valve import of line tubular type pilot solenoid valve, and this design for filtration elements is two circlesThe three-dimensional form of platform stack, filter structure is that the compacting of lamination metal braiding silk screen forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910125591.4A CN106134410B (en) | 2009-12-29 | 2009-12-29 | Bellows-type pilot solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910125591.4A CN106134410B (en) | 2009-12-29 | 2009-12-29 | Bellows-type pilot solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106134410B true CN106134410B (en) | 2014-09-10 |
Family
ID=57251020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910125591.4A Expired - Fee Related CN106134410B (en) | 2009-12-29 | 2009-12-29 | Bellows-type pilot solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106134410B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465406A (en) * | 2015-12-15 | 2016-04-06 | 西安航天动力研究所 | Air control pilot type magnetic self-locking bi-stable engine control valve structure |
| CN105888883A (en) * | 2016-05-09 | 2016-08-24 | 北京航空航天大学 | Hydrogen peroxide flow precise control solenoid valve |
| CN112555426A (en) * | 2020-12-07 | 2021-03-26 | 西安航天动力研究所 | Double-control valve with high reliability for cabin double-pressure |
| CN114076220A (en) * | 2021-08-31 | 2022-02-22 | 北京宇航系统工程研究所 | Integrated electric control relief valve |
| CN114215936A (en) * | 2021-11-05 | 2022-03-22 | 上海空间推进研究所 | Pneumatic double-sealing control valve |
| CN114992376A (en) * | 2022-07-18 | 2022-09-02 | 东方空间(西安)宇航技术有限公司 | Control valve and engine assembly |
| CN115559830A (en) * | 2022-09-30 | 2023-01-03 | 蓝箭航天空间科技股份有限公司 | Electromagnetic pilot control valve |
-
2009
- 2009-12-29 CN CN200910125591.4A patent/CN106134410B/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465406A (en) * | 2015-12-15 | 2016-04-06 | 西安航天动力研究所 | Air control pilot type magnetic self-locking bi-stable engine control valve structure |
| CN105888883A (en) * | 2016-05-09 | 2016-08-24 | 北京航空航天大学 | Hydrogen peroxide flow precise control solenoid valve |
| CN105888883B (en) * | 2016-05-09 | 2017-08-29 | 北京航空航天大学 | A kind of hydrogen peroxide precise control of flew magnetic valve |
| CN112555426A (en) * | 2020-12-07 | 2021-03-26 | 西安航天动力研究所 | Double-control valve with high reliability for cabin double-pressure |
| CN112555426B (en) * | 2020-12-07 | 2022-05-10 | 西安航天动力研究所 | Double-control valve with high reliability for cabin double-pressure |
| CN114076220A (en) * | 2021-08-31 | 2022-02-22 | 北京宇航系统工程研究所 | Integrated electric control relief valve |
| CN114076220B (en) * | 2021-08-31 | 2023-06-30 | 北京宇航系统工程研究所 | Integrated electric control safety overflow valve |
| CN114215936A (en) * | 2021-11-05 | 2022-03-22 | 上海空间推进研究所 | Pneumatic double-sealing control valve |
| CN114992376A (en) * | 2022-07-18 | 2022-09-02 | 东方空间(西安)宇航技术有限公司 | Control valve and engine assembly |
| CN115559830A (en) * | 2022-09-30 | 2023-01-03 | 蓝箭航天空间科技股份有限公司 | Electromagnetic pilot control valve |
| CN115559830B (en) * | 2022-09-30 | 2023-09-26 | 蓝箭航天空间科技股份有限公司 | Electromagnetic pilot control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR03 | Grant of secret patent right | ||
| GRSP | Grant of secret patent right | ||
| DC01 | Secret patent status has been lifted | ||
| DCSP | Declassification of secret patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20211229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |