CN106885034A - A kind of high-pressure high-flow quick opening valve - Google Patents
A kind of high-pressure high-flow quick opening valve Download PDFInfo
- Publication number
- CN106885034A CN106885034A CN201710176166.2A CN201710176166A CN106885034A CN 106885034 A CN106885034 A CN 106885034A CN 201710176166 A CN201710176166 A CN 201710176166A CN 106885034 A CN106885034 A CN 106885034A
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- CN
- China
- Prior art keywords
- perisporium
- valve
- main valve
- throat bushing
- sealing
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Classifications
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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
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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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
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of high-pressure high-flow quick opening valve, including valve body, throat bushing, main valve, trapping set and throttling rod, valve body is provided with upper end cover, the lower end of valve body is provided with gas circuit connector, throat bushing is fixed in the inner chamber of valve body by the upper end of its perisporium, the perisporium of main valve is in the gap between the perisporium of valve body and the perisporium of throat bushing, trapping is placed in throat bushing, control chamber is formed between trapping set and upper end cover, the upper end of throttling rod is fixedly connected with trapping set, the lower end of throttling rod is fixedly connected through the through hole on throat bushing bottom wall with the bottom wall of main valve, valve body is provided with land, gas vent and inflation inlet, upper end cover is provided with the first joint and the second joint connected with control chamber, second joint is connected by gas tube with inflation inlet, gas tube is provided with one-way throttle valve.It has compact conformation, it is easy to use, be quick on the draw, sealed reliable, the adjustable advantage of opening speed, reliable guarantee can be provided for launching tube inflation/deflation process.
Description
Technical field
The present invention relates to a kind of valve, and in particular to a kind of high pressure for guided missile, the transmitting of carrier rocket compressed air is big
Flow quick opening valve.
Background technology
In guided missile, carrier rocket transmitting field, compressed air lift-off technology is provided using compressed air and launched a guided missile
Power, promotes guided missile to fly away from the pop-up mode of emitter with certain speed along certain track, because it has advantages below near
It is developed rapidly over year, (1), without fire, without ablation, security is higher, and launching tube is pollution-free in ejection process；(2) without dynamic
Power apparatus load process, and time saving and energy saving, operating efficiency is higher, and can be repeated several times rapid fire, and product utilization rate is higher, cost
It is relatively low；(3) same emitter can launch the guided missile of Different Weight by adjusting gas pressure, applied widely.But it is how real
Fast run-up pressure in existing launching tube, accelerate supply, be weight that this area endeavours to solve always to ensure accelerator and pressure stability
Want problem.During launching tube inflation/deflation is carried out, current ability is generally controlled using valve, but existing control valve
There is a problem of that complex structure, delay of response, sealing are poor, it is impossible to for inflation/deflation provides reliable guarantee, especially its speed
Adjustability is poor, it is impossible to efficiently controls by the acceleration of projectile, not only have impact on and use scope, and it is difficult to enhance control
Degree.
The content of the invention
It is an object of the invention to provide a kind of high-pressure high-flow quick opening valve, it has compact conformation, easy to use, reaction
Sensitive, sealed reliable advantage, can provide reliable guarantee for launching tube inflation/deflation process, and its inflation/deflation speed is adjustable, fits
It is wider with scope, and reduce control difficulty.
Complex structure, reaction that for the solution charging and discharging valve that compressed air lift-off technology is used in the prior art, it is present
Slow, sealing is poor, poor reliability, the problem of poor controllability, the invention provides a kind of high-pressure high-flow quick opening valve, including
Valve body, throat bushing, main valve, trapping set and throttling rod, the valve body is tubulose and is provided with upper end cover, and the lower end of valve body is provided with gas
Road connector；The throat bushing includes perisporium and bottom wall, and throat bushing is fixed in the inner chamber of valve body simultaneously by the upper end of its perisporium
Make to be provided with gap between the perisporium of throat bushing and the perisporium of valve body, the bottom wall middle part of throat bushing offers through hole；The main valve
Including perisporium and bottom wall, the perisporium of main valve is in the gap between the perisporium of valve body and the perisporium of throat bushing；The trapping
Set is arranged in throat bushing, and makes to form the control chamber of closing between trapping set and upper end cover；The upper end of the throttling rod with every
Air-casing is fixedly connected, and the lower end of throttling rod is fixedly connected through the through hole on throat bushing bottom wall with the bottom wall of main valve；The valve
On the perisporium medial surface of body and the lower position positioned at main valve bottom wall is provided with land；On the perisporium of valve body and positioned at the upper of land
Side position is provided with gas vent, on the perisporium of valve body and position corresponding with land or the lower position positioned at land are provided with inflation
Mouthful；The upper end cover is provided with the first joint and the second joint connected with control chamber, and the second joint is by gas tube and inflation
Mouth connection, gas tube is provided with one-way throttle valve.
Further, a kind of high-pressure high-flow quick opening valve of the invention, wherein, the perisporium upper end of the throat bushing and upper end
The first sealing structure is provided between lid, first sealing structure includes being opened in the perisporium upper surface or/and upper end of throat bushing
At least one annular seal groove of lid downside and the sealing ring in seal groove；The week of the trapping set and throat bushing
Second seals structure is slidably matched and is provided between wall, and the second seals structure includes being opened on trapping set outer peripheral face extremely
Few one annular seal groove and the sealing ring in seal groove.
Further, a kind of high-pressure high-flow quick opening valve of the invention, wherein, the perisporium upper end of the throat bushing and valve body
Perisporium between be provided with the 3rd sealing structure, the 3rd sealing structure includes being opened in the perisporium upper end lateral surface of throat bushing
Or/and at least one annular seal groove and the sealing ring in seal groove of valve body perisporium medial surface.
Further, a kind of high-pressure high-flow quick opening valve of the invention, wherein, perisporium and the throat bushing of the main valve
The 4th sealing structure is slidably matched and is provided between perisporium, and the 4th sealing structure includes being opened in main valve perisporium upper end
At least one annular seal groove of side and the sealing ring in seal groove；The perisporium of the main valve and the week of valve body
Wall gap coordinates；Hydraulic oil is marked with the space that the throat bushing, main valve and trapping set are surrounded.
Further, a kind of high-pressure high-flow quick opening valve of the invention, wherein, the perisporium of the main valve and the week of valve body
The 5th sealing structure is slidably matched and is provided between wall, and the 5th sealing structure includes being opened in main valve perisporium upper end outside
At least one annular seal groove on face and the sealing ring in seal groove, the perisporium of main valve and the perisporium of throat bushing
Gap coordinates；Hydraulic oil is marked with the space that the throat bushing, main valve and trapping set are surrounded.
Further, a kind of high-pressure high-flow quick opening valve of the invention, wherein, perisporium and the throat bushing of the main valve
The 4th sealing structure is slidably matched and is provided between perisporium, and the 4th sealing structure includes being opened in main valve perisporium upper end
At least one annular seal groove on side and the sealing ring in seal groove；The perisporium of the main valve and valve body
The 5th sealing structure is slidably matched and is provided between perisporium, and the 5th sealing structure includes being opened in outside main valve perisporium upper end
At least one annular seal groove on side and the sealing ring in seal groove；The upper end of throat bushing offers connection section
The air-vent in gap and control chamber between stream set perisporium and valve body perisporium；What the throat bushing, main valve and trapping set were surrounded
Hydraulic oil is marked with space.
Further, a kind of high-pressure high-flow quick opening valve of the invention, wherein, the bottom wall downside of the main valve is provided with
6th sealing structure, the 6th sealing structure includes the middle part of disk seal and disc type pressing plate, sealing gasket and pressing plate
It is equipped with by hole；The bottom wall middle part of the main valve is provided with mounting hole, the bottom wall downside of main valve and in mounting hole
Periphery is provided with short sleeve, and the bottom wall downside outer of main valve is provided with annular gap corresponding with land；The lower end week of throttling rod
Wall is provided with limiting stand；Sealing gasket and pressing plate are set in the short sleeve outside on main valve bottom wall, and the outer rim of sealing gasket is extended to
The annular gap of main valve bottom wall downside；Main valve is arranged on throttling rod by the mounting hole on its bottom wall, and makes throttling
Limiting stand on bar is pressed on pressing plate.
Further, a kind of high-pressure high-flow quick opening valve of the invention, wherein, along being provided with the in the upper side of the land
One conical surface, sealing gasket is provided with second conical surface with the first cone match in land, convex circumferentially arranged with multi-turn on second conical surface
Rise.
Further, a kind of high-pressure high-flow quick opening valve of the invention, wherein, the short sleeve and throttling rod of the main valve
Between be provided with the first sealing, the second sealing is provided between short sleeve and the limiting stand of throttling rod, be provided between short sleeve and pressing plate
3rd sealing, is provided with the 4th sealing between short sleeve and sealing gasket.
Further, a kind of high-pressure high-flow quick opening valve of the invention, wherein, the perisporium of the pressing plate and the hole wall of land
Between interference fit.
A kind of high-pressure high-flow quick opening valve of the present invention compared with prior art, with advantages below：The present invention is by setting
Valve body, throat bushing, main valve, trapping set and throttling rod are put, is allowed valve body to take tubulose and upper end cover is set, set in the lower end of valve body
Put gas circuit connector.Allow throat bushing include perisporium and bottom wall, make throat bushing that the inner chamber of valve body is fixed on by the upper end of its perisporium
In and make to be provided with gap between the perisporium of throat bushing and the perisporium of valve body, open up through hole in the middle part of the bottom wall of throat bushing.Allow main work
Door includes perisporium and bottom wall, the perisporium of main valve is in the gap between the perisporium of valve body and the perisporium of throat bushing.Allow every
Air-casing is arranged in throat bushing and makes to form the control chamber of closing between trapping set and upper end cover.Allow throttling rod upper end and trapping
Set is fixedly connected, and allows the lower end of throttling rod to be fixedly connected with the bottom wall of main valve through the through hole on throat bushing bottom wall.And in valve
Lower position on the perisporium medial surface of body and positioned at main valve bottom wall sets land, on the perisporium of valve body and positioned at land
Upper side position set gas vent, on the perisporium of valve body and position corresponding with land or positioned at land lower position set fill
Gas port.Setting is connected with control chamber on upper end cover simultaneously the first joint and the second joint, allow the second joint to pass through gas tube
It is connected with inflation inlet, and one-way throttle valve is set on gas tube.Thus a kind of compact conformation, easy to use, anti-is just constituted
Should the adjustable high-pressure high-flow quick opening valve of sensitive, speed.In actual applications, the first joint allowed in the present invention is by connection
Pipe is connected with source of the gas, and pressure-releasing electromagnetic valve is set in connecting tube, allows gas circuit connector to be connected with the high-pressure bottle of launching tube, i.e.,
Inflation/deflation operation can be carried out for launching tube.During inflation, source of the gas is opened, pressure-air initially enters control chamber of the invention, in gas
Trapping set, trapping set is promoted to drive main valve to move downwardly together by throttling rod in the presence of pressure, main valve moves to valve body
On land when both is sealed cooperation by the thrust of pressure-air；Then the one-way throttle valve conducting on gas tube,
Pressure-air enters high-pressure bottle from control chamber by gas tube, one-way throttle valve, inflation inlet, gas circuit connector, so as to realize
Inflation purpose.In gas replenishment process, due to the pressure differential that the throttling action and tube runs resistance of one-way throttle valve are produced, make
Obtain main valve and be subject to the down force upward active force of size all the time, it is ensured that the close of stabilization is maintained between main valve and land
Envelope state.During deflation, pressure-releasing electromagnetic valve is powered and opens, and the pressure-air in control chamber of the present invention is released by pressure-releasing electromagnetic valve,
The down force that trapping set is subject to quickly is reduced, and main valve is moved upwards under the thrust of high-pressure bottle inner high voltage air
It is dynamic, when main valve leaves land and moves to gas vent, gas circuit connector and gas vent are connected, the high pressure in high-pressure bottle is empty
Gas will be released by gas circuit connector, gas vent, it is achieved thereby that main valve is opened and deflation purpose.Main valve open and
In deflation course, because the pressure-air in control chamber is released, speed is faster, and the two-way pressure difference that main valve is subject to will be bigger,
The speed that main valve is opened also can be faster, otherwise the speed then opened is slower.The present invention is by controlling pressure-releasing electromagnetic valve conveniently clever
The speed of releasing of control control chamber mesohigh air living, it is achieved thereby that the technical purpose of control main valve opening speed.Make
It is prioritization scheme, the present invention is filled with hydraulic oil in the space that throat bushing, main valve and trapping set are surrounded, and there is provided three kinds
Seal form, the first allows between the perisporium of main valve and the perisporium of throat bushing and is slidably matched and sets the 4th sealing structure, together
When allow the perisporium gap of perisporium and valve body of main valve to coordinate, the first structure type passes through while sealing function is realized
Throat bushing can be provided with the guide effect of effect for main valve, improve the flatness of structural stability and main valve motion；Second
Kind allow between the perisporium of main valve and the perisporium of valve body and to be slidably matched and set the 5th sealing structure, while allowing the perisporium of main valve
Perisporium gap with throat bushing coordinates, likewise, second structure type is while sealing function is realized, can be by valve body
Main valve provides effective guide effect, is equally capable of achieving to improve the purpose of structural stability and main valve motion smoothing；The
Three kinds allow between the perisporium of main valve and the perisporium of throat bushing and are slidably matched and set the 4th sealing structure, while allowing main valve
It is slidably matched between perisporium and the perisporium of valve body and the 5th sealing structure is set, now needs to open up connection in the upper end of throat bushing
The air-vent in gap and control chamber between throat bushing perisporium and valve body perisporium, in order to avoid produced between throat bushing perisporium and valve body perisporium
Raw negative pressure influence main valve movement, the third structure type passes through throat bushing and valve body simultaneously for main valve provides guide effect,
The structural stability of quick opening valve and the motion smoothing of main valve are optimal.
Shown specific embodiment is made further in detail to a kind of high-pressure high-flow quick opening valve of the invention below in conjunction with the accompanying drawings
Describe in detail bright：
Brief description of the drawings
Fig. 1 is a kind of plan view of high-pressure high-flow quick opening valve of the invention；
Fig. 2 is a kind of sectional view of high-pressure high-flow quick opening valve opening of the invention；
Fig. 3 is a kind of sectional view of high-pressure high-flow quick opening valve closed mode of the invention；
Fig. 4 is the close-up schematic view of the 6th sealing structure position in a kind of high-pressure high-flow quick opening valve of the invention.
Specific embodiment
Firstly the need of explanation, the noun of locality such as heretofore described front, back, left, right, up, down, simply with reference to the accompanying drawings
It is shown for convenience of skilled artisan understands that the description for carrying out, the restriction for not being carried out to technical scheme, ability
Field technique personnel should be understood according to actually used situation.
The specific embodiment of a kind of high-pressure high-flow quick opening valve of the invention, including valve body 1 as shown in Figures 1 to 4, section
Stream set 2, main valve 3, trapping covers 4 and throttling rod 5.Allow valve body 1 using tubulose and upper end cover 11 is set, set in the lower end of valve body 1
Gas circuit connector 12 is put, gas circuit connector 12 can be using various connected modes such as screw thread or flanges.Allow throat bushing 2 that perisporium is set
And bottom wall, throat bushing 2 is fixed in the inner chamber of valve body 1 by the upper end of its perisporium, and make the perisporium of throat bushing 2 and valve body 1
Perisporium between leave gap, open up through hole in the middle part of the bottom wall of throat bushing 2, pass through in order to throttling rod 5.Throat bushing 2 is consolidated
Determining mode can be taken various forms, and throat bushing 2 can be allowed to be welded and fixed with upper end cover 11, it is also possible to allow the perisporium of throat bushing 2
Upper end outside sets raised edge, and by raised edge with valve body 1 is by screw thread or is welded and fixed, or in valve body 1
Perisporium inner side opens up erecting bed, allows the edge of the projection of throat bushing 2 to be placed on erecting bed and presses position to fix by upper end cover.Allow main work
Door is also provided with perisporium and bottom wall, the perisporium of main valve 3 is in the gap between the perisporium of valve body 1 and the perisporium of throat bushing 2.
Allow the trapping set 4 to be arranged in throat bushing 2 and trapping is covered the control chamber that closing is formed between 4 and upper end cover 11.Allow throttling
The upper end of bar 5 and trapping set 4 is fixedly connected, allow throttling rod 5 lower end through the through hole on the bottom wall of throat bushing 2 and main valve 3
Bottom wall is fixedly connected.And the lower position on the perisporium medial surface of valve body 1 and positioned at the bottom wall of main valve 3 sets land 13,
Upper side position on the perisporium of valve body 1 and positioned at land 13 sets gas vent 14, on the perisporium of valve body 1 and corresponding with land 13
Position or positioned at the lower position of land 13, inflation inlet 15 is set, what setting was connected with control chamber on upper end cover 11 first connects
First 16 and second joint 17, allow the second joint 17 to be connected with inflation inlet 15 by gas tube 18, and set on gas tube 18 single
To choke valve 19.
By above structure setting just constitute a kind of compact conformation, it is easy to use, be quick on the draw, the adjustable high pressure of speed
Big flow quick opening valve.In actual applications, the first joint 16 allowed in the present invention is connected by connecting tube with source of the gas, and even
Pressure-releasing electromagnetic valve is set in adapter, allows gas circuit connector 12 to be connected with the high-pressure bottle of launching tube, you can for launching tube is filled
Bleed air operation.During inflation, open source of the gas, pressure-air initially enters control chamber of the invention, promote under the influence of air pressure every
Air-casing 4, trapping set 4 drives main valve 3 to move downwardly together by throttling rod 5, and main valve 3 moves to the land 13 on valve body 1
When both is sealed cooperation by the thrust of pressure-air.Then the one-way throttle valve 19 on gas tube 18 is turned on, high pressure
Air enters high-pressure bottle from control chamber by gas tube 18, one-way throttle valve 19, inflation inlet 15, gas circuit connector 12, so that
Realize inflation purpose.In gas replenishment process, due to the pressure that the throttling action and tube runs resistance of one-way throttle valve 19 are produced
Power is poor so that main valve 3 is subject to the downward active force upward active force of size all the time, it is ensured that main valve 3 and land 13 it
Between maintain stabilization sealing state.During deflation, allow pressure-releasing electromagnetic valve to be powered and open, the pressure-air in control chamber of the present invention passes through
Pressure-releasing electromagnetic valve is released, and the down force that trapping set 4 is subject to quickly is reduced, and main valve 3 is in high-pressure bottle inner high voltage air
Moved up under thrust, when main valve 3 leaves land 13 and moves to gas vent 14, connect gas circuit connector 12 and put
Gas port 14, the pressure-air in high-pressure bottle will be released by gas circuit connector 12, gas vent 14, it is achieved thereby that main valve
3 open and deflation purpose.Main valve 3 open and deflation course in, because the speed of releasing of the pressure-air in control chamber is faster,
The two-way pressure difference that main valve 3 is subject to will be bigger, and the speed that main valve 3 is opened also can be faster, otherwise the speed then opened is slower.
The present invention can control the speed of releasing of control chamber mesohigh air by controlling pressure-releasing electromagnetic valve, it is achieved thereby that controlling main work
The technical purpose of 3 opening speeds of door, by controlling the opening speed of main valve 3, can efficiently control by the acceleration of projectile,
Enhance the controllability and practicality of quick opening valve.
Used as specific embodiment, it is close that the present invention is provided with first between the perisporium upper end of throat bushing 2 and upper end cover 11
Seal structure, allows the first sealing structure to use and opens up at least one ring in the perisporium upper surface of throat bushing 2 or the downside of upper end cover 11
Shape seal groove and in seal groove install sealing ring structure type.It is sealed for quiet herein, can also be using the week in throat bushing 2
Wall upper surface and the downside of upper end cover 11 open up the structure type of annular close groove.Meanwhile, in trapping set 4 and the week of throat bushing 2
Second seals structure is slidably matched and set between wall, is allowed second seals structure to use and is opened up at least on trapping 4 outer peripheral faces of set
One annular seal groove and in seal groove install sealing ring structure type.Trapping is just set to cover 4 Hes by above structure setting
Upper end cover 11 forms the control chamber of sealing, and can effectively ensure that the sealing of control chamber.Further, it is raising sealing
Can, this specific embodiment is provided with the 3rd sealing structure between the perisporium upper end of throat bushing 2 and the perisporium of valve body 1, allows the
Three sealing structures open up at least one ring packing using the perisporium upper end lateral surface or the perisporium medial surface of valve body 1 in throat bushing 2
Groove simultaneously installs sealing ring in seal groove.It is sealed for quiet herein, can also be using the perisporium upper end lateral surface and valve in throat bushing 2
The perisporium medial surface of body 1 opens up the structure type of annular close groove.
As prioritization scheme, to improve the controllability of quick opening valve, strengthen flatness, the stability of the movement of main valve 3, this
Specific embodiment allows between the perisporium of main valve 3 and the perisporium of throat bushing 2 and is tied using being slidably matched and being provided with the 4th sealing
Structure, allows the 4th sealing structure to use and at least one annular seal groove is opened up on the perisporium upper end medial surface of main valve 3 and in sealing
The structure type of sealing ring is installed in groove.Allow between the perisporium of main valve 3 and the perisporium of valve body 1 and be also adopted by being slidably matched and set
5th sealing structure, annular is close together using opening up on the perisporium upper end lateral surface of main valve 3 at least to allow the 5th sealing structure
Sealing groove and in seal groove install sealing ring structure type.The connection perisporium of throat bushing 2 and valve body are opened up in the upper end of throat bushing 2
The air-vent 21 in gap and control chamber between 1 perisporium, in order to avoid negative pressure influence is produced between the perisporium of throat bushing 2 and the perisporium of valve body 1
Main valve 3 is acted.And it is marked with hydraulic oil in the space that throat bushing 2, main valve 3 and trapping set 4 is surrounded.Above structure setting is led to
It is that main valve 3 provides mobile guide effect to cross and allow valve body 1 and throat bushing 2, and coordinates inflation/deflation to throttle by annular space hydraulic damping,
The stationarity of the movement of main valve 3 is improve, the controllability of quick opening valve is further enhancing.In useful application, during inflation, liquid
Force feed can be expressed to the bottom of throat bushing 2 from the top of the bottom wall of throat bushing 2 by the annular space between the bottom wall of throat bushing 2 and throttling rod 5
Between the bottom wall of wall and main valve 3；During deflation, hydraulic oil can between the bottom wall of the bottom wall of throat bushing 2 and main valve 3 by section
Annular space between stream 2 bottom walls of set and throttling rod 5 is expressed to the top of the bottom wall of throat bushing 2, so as to produce hydraulic damping to act on.
It should be noted that the invention is not restricted to more than structure setting, can also only allow main valve 3 perisporium with throttling
Using being slidably matched and setting the 4th sealing structure between the perisporium of set 2, the 4th sealing structure is allowed to use on the perisporium of main valve 3
End medial surface opens up at least one annular seal groove and the structure type of sealing ring is installed in seal groove, and allows main valve 3
Perisporium coordinates with the perisporium gap of valve body 1, and injects hydraulic oil in the space that throat bushing 2, main valve 3 and trapping set 4 is surrounded.
This structure is that main valve 3 provides mobile guide effect by throat bushing 2, and coordinates charge and discharge moral by annular space hydraulic damping
Stream, can equally improve the stationarity of the movement of main valve 3 and the controllability of quick opening valve.Now due to the perisporium of throat bushing 2 and valve body 1
Gap between perisporium directly will not produce negative pressure by gas vent 14 with ft connection, it is not necessary in the perisporium of throat bushing 2 and valve
Air-vent is set between gap and control chamber between the perisporium of body 1, although the guide effect to main valve 3 is not so good as said structure,
But which simplify structure and manufacturing process, equally it is capable of achieving the purpose of the present invention.Similarly, the present invention can also only allow main valve 3
Perisporium and the perisporium of valve body 1 between using being slidably matched and set the 5th sealing structure, allow the 5th sealing structure to use in master
At least one annular seal groove is opened up on the perisporium upper end lateral surface of valve 3 and the structure type of sealing ring is installed in seal groove,
And allow the perisporium of main valve 3 to coordinate with the perisporium gap of throat bushing 2, and the sky surrounded in throat bushing 2, main valve 3 and trapping set 4
Between middle injection hydraulic oil.This structure is that main valve 3 provides mobile guide effect by valve body 1, and by annular space hydraulic damping
Coordinate inflation/deflation throttling, can equally improve the stationarity of the movement of main valve 3 and the controllability of quick opening valve.
As further optimization case, sealing property when guarantee main valve 3 is closed and between land 13 is originally embodied as,
This specific embodiment is provided with the 6th sealing structure in the bottom wall downside of main valve 3.6th sealing structure includes disc type
Sealing gasket 6 and disc type pressing plate 7, and be provided with by hole at the middle part of sealing gasket 6 and pressing plate 7.Meanwhile, allow main valve 3 to exist
Bottom wall middle part sets mounting hole, and the periphery in the bottom wall downside of main valve 3 and in mounting hole sets short sleeve 31, in main work
The bottom wall downside outer of door 3 sets annular gap 32 corresponding with land 13.Set spacing on the lower end perisporium of throttling rod 5
Platform 51.Allow the outside of short sleeve 31 that sealing gasket 6 and pressing plate 7 be set on the bottom wall of main valve 3, and extend the outer rim of sealing gasket 6
To the annular gap 32 of the bottom wall downside of main valve 3.Allow main valve 3 to pass through the mounting hole on its bottom wall to be arranged on throttling rod 5,
And the limiting stand 51 on throttling rod 5 is pressed on pressing plate 7.When this structure setting can ensure that main valve 3 is closed by sealing gasket 6
With the sealing between land 13, and there are convenient to disassembly, favourable maintenance and inspection.Further to improve main valve
Sealing between 3 and land 13, this specific embodiment edge in the upper side of land 13 is provided with first conical surface 131, and makes
Sealing gasket 6 is provided with second conical surface 61 coordinated with first conical surface 131 in land 13, and is circumferentially set on second conical surface 61
Multi-turn is put raised.This structure setting can improve the laminating degree of sealing gasket 6 and land 13, by coordinating multi-turn raised, it is ensured that
The sealing property of large aperture connecting tube.Meanwhile, to ensure the sealing of sealing gasket 6 and the junction of disc type pressing plate 7, this is specific
Implementation method is provided with the first sealing 311 also between short sleeve 31 and throttling rod 5, spacing with throttling rod 5 in short sleeve 31
Between platform 51 be provided with second sealing 312, between short sleeve 31 and pressing plate 7 be provided with the 3rd sealing 313, short sleeve 31 with
The 4th sealing 314 is provided between sealing gasket 6.This structure setting makes each possible leak path of junction have 2 roads superfluous
Remaining sealing, sealability is stronger.In addition, in actual applications, possessing certain sealability, this specific implementation to make pressing plate 7
Mode generally makes interference fit between the perisporium of pressing plate 7 and the hole wall of land 13.
Above example is only the description carried out to the preferred embodiment for the present invention, and scope not is claimed to the present invention
The restriction for carrying out, on the premise of design spirit of the present invention is not departed from, this area engineers and technicians are according to technology of the invention
The various forms of deformations that scheme is made, all should fall into the protection domain of claims of the present invention determination.
Claims (10)
1. a kind of high-pressure high-flow quick opening valve, it is characterised in that including valve body (1), throat bushing (2), main valve (3), trapping
Set (4) and throttling rod (5), the valve body (1) is for tubulose and is provided with upper end cover (11), and the lower end of valve body (1) is provided with gas circuit connection
Mouth (12)；The throat bushing (2) includes perisporium and bottom wall, and throat bushing (2) is fixed on the interior of valve body (1) by the upper end of its perisporium
In chamber and make to be provided with gap between the perisporium of throat bushing (2) and the perisporium of valve body (1), the bottom wall middle part of throat bushing (2) offers
Through hole；The main valve (3) includes perisporium and bottom wall, and the perisporium of main valve (3) is in the perisporium and throat bushing (2) of valve body (1)
Perisporium between gap in；The trapping set (4) is arranged in throat bushing (2), and make trapping set (4) and upper end cover (11) it
Between form the control chamber of closing；The upper end of the throttling rod (5) is fixedly connected with trapping set (4), and the lower end of throttling rod (5) passes through
Through hole on throat bushing (2) bottom wall is fixedly connected with the bottom wall of main valve (3)；On the perisporium medial surface of the valve body (1) and position
Land (13) is provided with the lower position of main valve (3) bottom wall；On the perisporium of valve body (1) and positioned at the upper side position of land (13)
Gas vent (14) is provided with, on the perisporium of valve body (1) and position corresponding with land (13) or the lower position positioned at land (13)
It is provided with inflation inlet (15)；The upper end cover (11) is provided with the first joint (16) and the second joint (17) connected with control chamber,
Second joint (17) is connected by gas tube (18) with inflation inlet (15), and gas tube (18) is provided with one-way throttle valve (19).
2. a kind of high-pressure high-flow quick opening valve described in profit 1 is wanted according to right, it is characterised in that the week of the throat bushing (2)
The first sealing structure is provided between wall upper end and upper end cover (11), first sealing structure includes being opened in throat bushing (2)
At least one annular seal groove and the sealing in seal groove of perisporium upper surface or/and upper end cover (11) downside
Circle；Second seals structure, second sealing are slidably matched and are provided between the trapping set (4) and the perisporium of throat bushing (2)
Structure includes being opened at least one annular seal groove on trapping set (4) outer peripheral face and the sealing in seal groove
Ring.
3. a kind of high-pressure high-flow quick opening valve described in profit 2 is wanted according to right, it is characterised in that the week of the throat bushing (2)
The 3rd sealing structure is provided between the perisporium of wall upper end and valve body (1), the 3rd sealing structure includes being opened in throat bushing (2)
Perisporium upper end lateral surface or/and valve body (1) perisporium medial surface at least one annular seal groove and in seal groove
Sealing ring.
4. a kind of high-pressure high-flow quick opening valve described in profit 3 is wanted according to right, it is characterised in that the week of the main valve (3)
The 4th sealing structure is slidably matched and is provided between the perisporium of wall and throat bushing (2), and the 4th sealing structure includes being opened in
At least one annular seal groove and the sealing ring in seal groove of main valve (3) perisporium upper end medial surface；The master
The perisporium of valve (3) coordinates with the perisporium gap of valve body (1)；What the throat bushing (2), main valve (3) and trapping set (4) were surrounded
Hydraulic oil is marked with space.
5. a kind of high-pressure high-flow quick opening valve described in profit 3 is wanted according to right, it is characterised in that the week of the main valve (3)
The 5th sealing structure is slidably matched and is provided between the perisporium of wall and valve body (1), and the 5th sealing structure includes being opened in master
At least one annular seal groove on the lateral surface of valve (3) perisporium upper end and the sealing ring in seal groove, main valve
(3) perisporium coordinates with the perisporium gap of throat bushing (2)；The sky that the throat bushing (2), main valve (3) and trapping set (4) are surrounded
Between in be marked with hydraulic oil.
6. a kind of high-pressure high-flow quick opening valve described in profit 3 is wanted according to right, it is characterised in that the week of the main valve (3)
The 4th sealing structure is slidably matched and is provided between the perisporium of wall and throat bushing (2), and the 4th sealing structure includes being opened in
At least one annular seal groove on the medial surface of main valve (3) perisporium upper end and the sealing ring in seal groove；It is described
The 5th sealing structure, the 5th sealing structure are slidably matched and are provided between the perisporium of main valve (3) and the perisporium of valve body (1)
Including at least one annular seal groove being opened on the lateral surface of main valve (3) perisporium upper end and close in seal groove
Seal ring；The upper end of throat bushing (2) offers the gap and control chamber between connection throat bushing (2) perisporium and valve body (1) perisporium
Air-vent (21)；Hydraulic oil is marked with the space that the throat bushing (2), main valve (3) and trapping set (4) are surrounded.
7. according to a kind of high-pressure high-flow quick opening valve described in claim any one of 1-6, it is characterised in that the main valve
(3) bottom wall downside is provided with the 6th sealing structure, and the 6th sealing structure includes disk seal (6) and disc type pressure
It is equipped with by hole in the middle part of plate (7), sealing gasket (6) and pressing plate (7)；The bottom wall middle part of the main valve (3) is provided with mounting hole,
The bottom wall downside and the periphery in mounting hole of main valve (3) are provided with short sleeve (31), outside the bottom wall downside of main valve (3)
Edge is provided with annular gap (32) corresponding with land (13)；The lower end perisporium of throttling rod (5) is provided with limiting stand (51)；Sealing gasket
(6) it is set on the outside of the short sleeve (31) on main valve (3) bottom wall with pressing plate (7), the outer rim of sealing gasket (6) extends to main valve
(3) the annular gap (32) of bottom wall downside；Main valve (3) is arranged on throttling rod (5) by the mounting hole on its bottom wall, and
The limiting stand (51) on throttling rod (5) is set to be pressed on pressing plate (7).
8. according to a kind of high-pressure high-flow quick opening valve described in claim 7, it is characterised in that the upside of the land (13)
Along first conical surface (131) is provided with face, sealing gasket (6) is provided with the second cone coordinated with first conical surface (131) in land (13)
Face (61), it is raised circumferentially arranged with multi-turn on second conical surface (61).
9. according to a kind of high-pressure high-flow quick opening valve described in claim 8, it is characterised in that the main valve (3) it is short
Be provided with the first sealing (311) between sleeve pipe (31) and throttling rod (5), the limiting stand (51) of short sleeve (31) and throttling rod (5) it
Between be provided with the second sealing (312), be provided between short sleeve (31) and pressing plate (7) the 3rd sealing (313), short sleeve (31) with sealing
The 4th sealing (314) is provided between pad (6).
10. according to a kind of high-pressure high-flow quick opening valve described in claim 8, it is characterised in that the perisporium of the pressing plate (7)
The interference fit and hole wall of land (13) between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710176166.2A CN106885034B (en) | 2017-03-23 | 2017-03-23 | A kind of high-pressure high-flow quick opening valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710176166.2A CN106885034B (en) | 2017-03-23 | 2017-03-23 | A kind of high-pressure high-flow quick opening valve |
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| Publication Number | Publication Date |
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| CN106885034A true CN106885034A (en) | 2017-06-23 |
| CN106885034B CN106885034B (en) | 2019-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710176166.2A Active CN106885034B (en) | 2017-03-23 | 2017-03-23 | A kind of high-pressure high-flow quick opening valve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029108A (en) * | 2018-10-12 | 2018-12-18 | 北京特种机械研究所 | Firing box automatic deflation mechanism |
| CN109229408A (en) * | 2018-10-12 | 2019-01-18 | 北京特种机械研究所 | Method for discharging high pressure gas in firing box |
| CN117704115A (en) * | 2023-12-22 | 2024-03-15 | 北京鸣天液压技术有限公司 | High-pressure gas quick-opening impact valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0534462A1 (en) * | 1991-09-26 | 1993-03-31 | Pratt & Whitney Canada, Inc. | Contamination resistant bleed valve |
| DE102008037825B3 (en) * | 2008-08-14 | 2010-07-29 | Siemens Aktiengesellschaft | Quick-acting valve for use in control system of steam and gas turbine, has piston guided in guide cylinder that includes cylinder space on two sides of piston, where space is formed in interior of housing by auxiliary valve |
| CN104089025A (en) * | 2014-07-01 | 2014-10-08 | 中国船舶重工集团公司第七�三研究所 | Quick release valve for gas turbine device |
| CN205918979U (en) * | 2016-08-17 | 2017-02-01 | 亚新铸造（苏州）有限公司 | Be used for relief valve open fast with closed pneumatic actuator |
-
2017
- 2017-03-23 CN CN201710176166.2A patent/CN106885034B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0534462A1 (en) * | 1991-09-26 | 1993-03-31 | Pratt & Whitney Canada, Inc. | Contamination resistant bleed valve |
| DE102008037825B3 (en) * | 2008-08-14 | 2010-07-29 | Siemens Aktiengesellschaft | Quick-acting valve for use in control system of steam and gas turbine, has piston guided in guide cylinder that includes cylinder space on two sides of piston, where space is formed in interior of housing by auxiliary valve |
| CN104089025A (en) * | 2014-07-01 | 2014-10-08 | 中国船舶重工集团公司第七�三研究所 | Quick release valve for gas turbine device |
| CN205918979U (en) * | 2016-08-17 | 2017-02-01 | 亚新铸造（苏州）有限公司 | Be used for relief valve open fast with closed pneumatic actuator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029108A (en) * | 2018-10-12 | 2018-12-18 | 北京特种机械研究所 | Firing box automatic deflation mechanism |
| CN109229408A (en) * | 2018-10-12 | 2019-01-18 | 北京特种机械研究所 | Method for discharging high pressure gas in firing box |
| CN117704115A (en) * | 2023-12-22 | 2024-03-15 | 北京鸣天液压技术有限公司 | High-pressure gas quick-opening impact valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106885034B (en) | 2019-01-25 |
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