CN106885034B - 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
- CN106885034B CN106885034B CN201710176166.2A CN201710176166A CN106885034B CN 106885034 B CN106885034 B CN 106885034B CN 201710176166 A CN201710176166 A CN 201710176166A CN 106885034 B CN106885034 B CN 106885034B
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- Prior art keywords
- peripheral wall
- main valve
- valve
- throat bushing
- valve body
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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 valves, including valve body, throat bushing, main valve, trapping set and throttling rod, valve body is equipped with upper end cover, the lower end of valve body is equipped with air circuit connection mouth, throat bushing is fixed in the inner cavity of valve body by the upper end of its peripheral wall, the peripheral wall of main valve is in the gap between the peripheral wall of valve body and the peripheral wall 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 through-hole that the lower end of throttling rod passes through on throat bushing bottom wall is fixedly connected with the bottom wall of main valve, valve body is equipped with land, gas vent and inflating port, upper end cover is equipped with the first connector and the second connector being connected to control chamber, second connector is connect by gas tube with inflating port, gas tube is equipped with one-way throttle valve.It has the advantages that it is compact-sized, easy to use, be quick on the draw, sealed reliable, opening speed is adjustable, reliable guarantee can be provided for launching tube inflation/deflation process.
Description
Technical field
The present invention relates to a kind of valves, and in particular to a kind of high pressure emitted for guided missile, carrier rocket compressed air is big
Flow quick opening valve.
Background technique
Emit field in guided missile, carrier rocket, compressed air lift-off technology is launched a guided missile using compressed air offer
Power pushes guided missile along certain track in a manner of the pop-up that certain speed flies away from emitter, because it has the following advantages that closely
Year over be developed rapidly, (1) without fire, without ablation, safety is higher, and launching tube is pollution-free in ejection process；(2) without dynamic
Power device loads process, and time saving and energy saving, working efficiency is higher, and can be repeated several times rapid fire, and product utilization rate is higher, cost
It is lower；(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, acceleration gas supply in existing launching tube are that the weight solved is endeavoured always in this field to guarantee that accelerator and pressure are stablized
Want project.During carrying out launching tube inflation/deflation, ability generallys use valve and is controlled at present, but existing control valve
There is a problem of structure is complicated, delay of response, leakproofness difference, reliable guarantee, especially its speed can not be provided for inflation/deflation
Adjustability is poor, cannot efficiently control by the acceleration of projectile, not only affects use scope, and it is difficult to enhance control
Degree.
Summary of the invention
The object of the present invention is to provide a kind of high-pressure high-flow quick opening valves, with compact-sized, easy to use, reaction
The advantages of sensitive, sealed reliable, reliable guarantee can be provided for launching tube inflation/deflation process, and its inflation/deflation speed is adjustable, fit
It is wider with range, and reduce control difficulty.
To solve compressed air lift-off technology uses in the prior art charging and discharging valve existing for it, structure is complicated, reaction
Slow, the problem of leakproofness is poor, poor reliability, poor controllability, the present invention provides a kind of high-pressure high-flow quick opening valves, including
Valve body, throat bushing, main valve, trapping set and throttling rod, the valve body is tubulose and is equipped with upper end cover, and the lower end of valve body is equipped with gas
Road connector；The throat bushing includes peripheral wall and bottom wall, and throat bushing is fixed in the inner cavity of valve body simultaneously by the upper end of its peripheral wall
Make to be equipped with gap between the peripheral wall of throat bushing and the peripheral wall of valve body, offers through-hole in the middle part of the bottom wall of throat bushing；The main valve
Including peripheral wall and bottom wall, the peripheral wall of main valve is in the gap between the peripheral wall of valve body and the peripheral wall of throat bushing；The trapping
Set is set in throat bushing, and makes to form closed control chamber between trapping set and upper end cover；The upper end of the throttling rod with every
Air-casing is fixedly connected, and the through-hole that the lower end of throttling rod passes through on throat bushing bottom wall is fixedly connected with the bottom wall of main valve；The valve
On the peripheral wall medial surface of body and it is located at the lower position of main valve bottom wall equipped with land；On the peripheral wall of valve body and it is located at the upper of land
Side position is equipped with gas vent, and on the peripheral wall of valve body and position corresponding with land or the lower position positioned at land are equipped with inflation
Mouthful；The upper end cover is equipped with the first connector and the second connector being connected to control chamber, and the second connector passes through gas tube and inflation
Mouth connection, gas tube are equipped with one-way throttle valve.
Further, a kind of high-pressure high-flow quick opening valve of the present invention, wherein the peripheral wall upper end of the throat bushing and upper end
The first sealing structure is equipped between lid, first sealing structure includes being provided with the peripheral wall upper surface or/and upper end of throat bushing
At least one of annular seal groove of lid downside and the sealing ring being mounted in seal groove；The week of the trapping set and throat bushing
It is slidably matched between wall and is equipped with second seals structure, the second seals structure includes being provided on trapping set outer peripheral surface extremely
Few one of annular seal groove and the sealing ring being mounted in seal groove.
Further, a kind of high-pressure high-flow quick opening valve of the present invention, wherein the peripheral wall upper end of the throat bushing and valve body
Peripheral wall between be equipped with third sealing structure, the third sealing structure includes the peripheral wall upper end lateral surface for being provided with throat bushing
Or/and valve body peripheral wall medial surface at least one of annular seal groove and the sealing ring being mounted in seal groove.
Further, a kind of high-pressure high-flow quick opening valve of the present invention, wherein the peripheral wall of the main valve and throat bushing
It is slidably matched between peripheral wall and is equipped with the 4th sealing structure, the 4th sealing structure includes being provided in main valve peripheral wall upper end
At least one of annular seal groove of side and the sealing ring being mounted in seal groove；The peripheral wall of the main valve and the week of valve body
Wall clearance fit；Hydraulic oil is marked in the space that the throat bushing, main valve and trapping set surround.
Further, a kind of high-pressure high-flow quick opening valve of the present invention, wherein the peripheral wall of the main valve and the week of valve body
It is slidably matched between wall and is equipped with the 5th sealing structure, the 5th sealing structure includes being provided on the outside of main valve peripheral wall upper end
At least one of annular seal groove and the sealing ring being mounted in seal groove, the peripheral wall of main valve and the peripheral wall of throat bushing on face
Clearance fit；Hydraulic oil is marked in the space that the throat bushing, main valve and trapping set surround.
Further, a kind of high-pressure high-flow quick opening valve of the present invention, wherein the peripheral wall of the main valve and throat bushing
It is slidably matched between peripheral wall and is equipped with the 4th sealing structure, the 4th sealing structure includes being provided in main valve peripheral wall upper end
At least one of annular seal groove on side and the sealing ring being mounted in seal groove；The peripheral wall of the main valve and valve body
It is slidably matched between peripheral wall and is equipped with the 5th sealing structure, the 5th sealing structure includes being provided with outside main valve peripheral wall upper end
At least one of annular seal groove on side and the sealing ring being mounted in seal groove；The upper end of throat bushing offers connection section
The air hole in gap and control chamber between stream set peripheral wall and valve body peripheral wall；What the throat bushing, main valve and trapping set surrounded
Hydraulic oil is marked in space.
Further, a kind of high-pressure high-flow quick opening valve of the present invention, wherein the bottom wall downside of the main valve is equipped with
6th sealing structure, the 6th sealing structure include disk seal and disc type pressing plate, the middle part of gasket and pressing plate
It is equipped with through hole；Equipped with mounting hole, the bottom wall downside of main valve and in mounting hole in the middle part of the bottom wall of the main valve
Periphery is equipped with short sleeve, and the bottom wall downside outer of main valve is equipped with annular gap corresponding with land；The lower end week of throttling rod
Wall is equipped with limiting stand；Gasket and pressing plate are set on the outside of the short sleeve on main valve bottom wall, and the outer rim of gasket extends to
The annular gap of main valve bottom wall downside；Main valve is mounted on throttling rod by the mounting hole on its bottom wall, and makes to throttle
Limiting stand on bar is pressed on pressing plate.
Further, a kind of high-pressure high-flow quick opening valve of the present invention, wherein along being equipped with the in the upper side of the land
One conical surface, gasket are equipped with second conical surface with the first cone match in land, convex circumferentially arranged with multi-turn on second conical surface
It rises.
Further, a kind of high-pressure high-flow quick opening valve of the present invention, wherein the short sleeve and throttling rod of the main valve
Between be equipped with first sealing, between short sleeve and the limiting stand of throttling rod be equipped with second sealing, be equipped between short sleeve and pressing plate
Third sealing is equipped with the 4th sealing between short sleeve and gasket.
Further, a kind of high-pressure high-flow quick opening valve of the present invention, wherein the peripheral wall of the pressing plate and the hole wall of land
Between be interference fitted.
A kind of high-pressure high-flow quick opening valve of the present invention compared with prior art, has the advantage that the present invention by setting
Valve body, throat bushing, main valve, trapping set and throttling rod are set, valve body is allowed to take tubulose and upper end cover is set, is set in the lower end of valve body
Set air circuit connection mouth.It allows throat bushing to include peripheral wall and bottom wall, throat bushing is made to be fixed on the inner cavity of valve body by the upper end of its peripheral wall
In and make between the peripheral wall of throat bushing and the peripheral wall of valve body be equipped with gap, open up through-hole in the middle part of the bottom wall of throat bushing.Allow main work
Door includes peripheral wall and bottom wall, is in the peripheral wall of main valve in the gap between the peripheral wall of valve body and the peripheral wall of throat bushing.Allow every
Air-casing is set in throat bushing and makes to form closed control chamber between trapping set and upper end cover.Allow throttling rod upper end and trapping
Set is fixedly connected, and the through-hole for allowing the lower end of throttling rod to pass through on throat bushing bottom wall is fixedly connected with the bottom wall of main valve.And in valve
Land is arranged in lower position on the peripheral wall medial surface of body and positioned at main valve bottom wall, on the peripheral wall of valve body and is located at land
Upper side position be arranged gas vent, on the peripheral wall of valve body and position corresponding with land or positioned at land lower position setting fill
Port.The first connector and the second connector being connected to control chamber are set on upper end cover simultaneously, the second connector is allowed to pass through gas tube
It is connect with inflating port, and one-way throttle valve is set on gas tube.Thus it just constitutes a kind of compact-sized, easy to use, anti-
Answer sensitive, the adjustable high-pressure high-flow quick opening valve of speed.In practical applications, the first connector in the present invention is allowed to pass through connection
Pipe is connect with gas source, and venting solenoid valve is arranged in connecting tube, allows the high-pressure bottle of air circuit connection mouth and launching tube to connect, i.e.,
Inflation/deflation operation can be carried out for launching tube.When inflation, gas source is opened, pressure-air initially enters control chamber of the invention, in gas
Trapping set is pushed under the action of pressure, trapping set drives main valve to move downwardly together by throttling rod, and main valve is moved to valve body
On land when by the thrust of pressure-air cooperate sealing；Then the one-way throttle valve conducting on gas tube,
Pressure-air enters high-pressure bottle by gas tube, one-way throttle valve, inflating port, air circuit connection mouth from control chamber, to realize
Inflation purpose.In gas replenishment process, due to the pressure difference that the throttling action and tube runs resistance of one-way throttle valve generate, make
Main valve is consistently greater than upward active force by down force, it is ensured that remain stable close between main valve and land
Envelope state.When deflation, venting solenoid valve, which is powered, to be opened, and the pressure-air in control chamber of the present invention is released by venting solenoid valve,
The down force that trapping set is subject to quickly reduces, and main valve is in high-pressure bottle to moving up under the thrust of pressure-air
It is dynamic, when main valve leaves land and is moved to gas vent, it is connected to air circuit connection mouth and gas vent, the high pressure in high-pressure bottle is empty
Gas will be released by air circuit connection mouth, gas vent, to realize main valve unlatching and deflation purpose.Main valve open and
In deflation course, since 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, and speed that is on the contrary then opening is slower.The present invention can facilitate spirit by controlling venting solenoid valve
The speed of releasing of control control chamber mesohigh air living, to realize the technical purpose of control main valve opening speed.Make
For prioritization scheme, the present invention is filled with hydraulic oil in the space that throat bushing, main valve and trapping set surround, and provides three kinds
Seal form, the first, which allows between the peripheral wall of main valve and the peripheral wall of throat bushing, is slidably matched and is arranged the 4th sealing structure, together
When allow the peripheral wall of main valve and the peripheral wall clearance fit of valve body, the first structure type passes through while realizing sealing function
Throat bushing can be provided with the guiding role of effect for main valve, improve the flatness of structural stability and main valve movement；Second
It kind allows between the peripheral wall of main valve and the peripheral wall of valve body and to be slidably matched and be arranged the 5th sealing structure, while allowing the peripheral wall of main valve
With the peripheral wall clearance fit of throat bushing, likewise, second of structure type can be while realizing sealing function, through valve body
Main valve provides effective guiding role, and the purpose for improving structural stability and main valve motion smoothing equally can be achieved；The
Three kinds allow between the peripheral wall of main valve and the peripheral wall of throat bushing and are slidably matched and are arranged the 4th sealing structure, while allowing main valve
It is slidably matched between peripheral wall and the peripheral wall of valve body and the 5th sealing structure is set, need to open up connection in the upper end of throat bushing at this time
The air hole in gap and control chamber between throat bushing peripheral wall and valve body peripheral wall, in order to avoid produced between throat bushing peripheral wall and valve body peripheral wall
Raw negative pressure influences main valve movement, the third structure type provides guiding role simultaneously by throat bushing and valve body for main valve,
The structural stability of quick opening valve and the motion smoothing of main valve are optimal.
Shown specific embodiment is made a kind of high-pressure high-flow quick opening valve of the present invention further detailed with reference to the accompanying drawing
It describes in detail bright:
Detailed description of the invention
Fig. 1 is a kind of plan view of high-pressure high-flow quick opening valve of the present invention；
Fig. 2 is a kind of cross-sectional view of high-pressure high-flow quick opening valve open state of the present invention；
Fig. 3 is a kind of cross-sectional view of high-pressure high-flow quick opening valve closed state of the present invention；
Fig. 4 is the partial enlargement diagram of the 6th sealing structure position in a kind of high-pressure high-flow quick opening valve of the present invention.
Specific embodiment
Firstly the need of explanation, the nouns of locality such as heretofore described front, back, left, right, up, down, only with reference to the accompanying drawings
It is shown for convenience of those skilled in the art understand that carry out description, not to technical solution of the present invention carry out restriction, ability
Field technique personnel should understand according to actual use situation.
A kind of specific embodiment of high-pressure high-flow quick opening valve of the present invention as shown in Figures 1 to 4, including valve body 1, section
Stream set 2, main valve 3, trapping set 4 and throttling rod 5.It allows valve body 1 using tubulose and upper end cover 11 is set, set in the lower end of valve body 1
Air circuit connection mouth 12 is set, air circuit connection mouth 12 can be using a variety of connection types such as screw thread or flanges.Allow throat bushing 2 that peripheral wall is set
And bottom wall, it is fixed on throat bushing 2 by the upper end of its peripheral wall in the inner cavity of valve body 1, and make the peripheral wall and valve body 1 of throat bushing 2
Peripheral wall between there are gaps, through-hole is opened up in the middle part of the bottom wall of throat bushing 2, in order to which throttling rod 5 passes through.Throat bushing 2 is consolidated
Determining mode can take various forms, and throat bushing 2 can be allowed to be welded and fixed with upper end cover 11, can also allow the peripheral wall of throat bushing 2
The edge of setting protrusion on the outside of upper end, and by screw thread or be welded and fixed by the edge of protrusion and valve body 1, or in valve body 1
Erecting bed is opened up on the inside of peripheral wall, allows the edge of the protrusion 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 peripheral wall and bottom wall, is in the peripheral wall of main valve 3 in the gap between the peripheral wall of valve body 1 and the peripheral wall of throat bushing 2.
It allows the trapping set 4 to be set in throat bushing 2 and makes to form closed control chamber between trapping set 4 and upper end cover 11.Allow throttling
The upper end of bar 5 is fixedly connected with trapping set 4, and the lower end of throttling rod 5 is allowed to pass through the through-hole on 2 bottom wall of throat bushing and main valve 3
Bottom wall is fixedly connected.And land 13 is arranged in the lower position on the peripheral wall medial surface of valve body 1 and positioned at 3 bottom wall of main valve,
Gas vent 14 is arranged in upper side position on the peripheral wall of valve body 1 and positioned at land 13, on the peripheral wall of valve body 1 and corresponding with land 13
Position or positioned at the lower position of land 13, inflating port 15 is set, first connecing of being connected to control chamber is set on upper end cover 11
First 16 and second connector 17, allow the second connector 17 connect by gas tube 18 with inflating port 15, and setting is singly on gas tube 18
To throttle valve 19.
Be arranged through the above structure just constitute it is a kind of it is compact-sized, easy to use, be quick on the draw, the adjustable high pressure of speed
Big flow quick opening valve.In practical applications, the first connector 16 in the present invention is allowed to connect by connecting tube with gas source, and even
Venting solenoid valve is set on adapter tube, air circuit connection mouth 12 is allowed to connect with the high-pressure bottle of launching tube, can be filled for launching tube
Bleed air operation.When inflation, open gas source, pressure-air initially enters control chamber of the invention, push under the influence of air pressure every
Air-casing 4, trapping set 4 drive main valve 3 to move downwardly together by throttling rod 5, and main valve 3 is moved to the land 13 on valve body 1
When by the thrust of pressure-air cooperate sealing.Then the one-way throttle valve 19 on gas tube 18 is connected, high pressure
Air enters high-pressure bottle by gas tube 18, one-way throttle valve 19, inflating port 15, air circuit connection mouth 12 from control chamber, thus
Realize inflation purpose.In gas replenishment process, due to the pressure of throttling action and tube runs the resistance generation of one-way throttle valve 19
Power is poor, so that main valve 3 is consistently greater than upward active force by downward active force, it is ensured that main valve 3 and land 13 it
Between maintain stable sealing state.When deflation, allows venting solenoid valve to be powered and open, the pressure-air in control chamber of the present invention passes through
Venting solenoid valve is released, and the down force that trapping set 4 is subject to quickly reduces, the pressure-air in high-pressure bottle of main valve 3
It is moved up under thrust, when main valve 3 leaves land 13 and is moved to gas vent 14, is connected to air circuit connection mouth 12 and puts
Port 14, the pressure-air in high-pressure bottle will be released by air circuit connection mouth 12, gas vent 14, to realize main valve
3 unlatchings and deflation purpose.Main valve 3 open and deflation course in, since 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, and speed that is on the contrary then opening is slower.
The present invention can control the speed of releasing of control chamber mesohigh air by control venting solenoid valve, to realize the main work of control
The technical purpose of 3 opening speeds of door can be efficiently controlled by the opening speed of control main valve 3 by the acceleration of projectile,
Enhance the controllability and practicability of quick opening valve.
As specific embodiment, it is close that the present invention is provided with first between the peripheral wall upper end and upper end cover 11 of throat bushing 2
Seal structure allows the first sealing structure to use and opens up at least one of ring in the peripheral wall upper surface of throat bushing 2 or 11 downside of upper end cover
Shape seal groove and the structure type that sealing ring is installed in seal groove.It is sealed herein to be quiet, it can also be using the week in throat bushing 2
Wall upper surface and 11 downside of upper end cover open up the structure type of the close slot of annular.Meanwhile in the week of trapping set 4 and throat bushing 2
It is slidably matched between wall and second seals structure is set, allow second seals structure to use and opened up at least on trapping 4 outer peripheral surfaces of set
One of annular seal groove and the structure type that sealing ring is installed in seal groove.Being arranged through the above structure just makes trapping cover 4 Hes
Upper end cover 11 forms the control chamber of sealing, and can effectively ensure that the leakproofness of control chamber.It further, is raising leakproofness
Can, present embodiment is provided with third sealing structure between the peripheral wall upper end of throat bushing 2 and the peripheral wall of valve body 1, allows the
Three sealing structures, which are used, opens up at least one of ring packing in the peripheral wall upper end lateral surface or 1 peripheral wall medial surface of valve body of throat bushing 2
Slot simultaneously installs sealing ring in seal groove.It is sealed herein to be quiet, it can also be using the peripheral wall upper end lateral surface and valve in throat bushing 2
The peripheral wall medial surface of body 1 opens up the structure type of the close slot of annular.
Enhance the mobile flatness of main valve 3, stability as prioritization scheme for the controllability for improving quick opening valve, this
Specific embodiment allows between the peripheral wall of main valve 3 and the peripheral wall 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 opens up at least one of annular seal groove on 3 peripheral wall upper end medial surface of main valve and sealing
The structure type of sealing ring is installed in slot.It allows also use between the peripheral wall of main valve 3 and the peripheral wall of valve body 1 and is slidably matched and is arranged
5th sealing structure, allowing the 5th sealing structure using opening up on 3 peripheral wall upper end lateral surface of main valve at least, annular is close together
Sealing groove and the structure type that sealing ring is installed in seal groove.Connection 2 peripheral wall of throat bushing and valve body are opened up in the upper end of throat bushing 2
The air hole 21 in gap and control chamber between 1 peripheral wall, in case negative pressure is generated between 1 peripheral wall of 2 peripheral wall of throat bushing and valve body to be influenced
Main valve 3 acts.And hydraulic oil is marked in the space that throat bushing 2, main valve 3 and trapping set 4 surrounds.The above structure setting is logical
It crosses and valve body 1 and throat bushing 2 is allowed to be that main valve 3 provides mobile guide effect, and cooperates inflation/deflation throttling by annular space hydraulic damping,
The mobile stationarity of main valve 3 is improved, the controllability of quick opening valve is further enhanced.In useful application, when inflation, liquid
Pressure oil can be expressed to the bottom of throat bushing 2 from the top of 2 bottom wall of throat bushing by the annular space between 2 bottom wall of throat bushing and throttling rod 5
Between wall and the bottom wall of main valve 3；When deflation, hydraulic oil can pass through section between the bottom wall of throat bushing 2 and the bottom wall of main valve 3
Annular space between stream 2 bottom walls of set and throttling rod 5 is expressed to the top of 2 bottom wall of throat bushing, to generate hydraulic damping effect.
It should be noted that the present invention is not limited to above structure setting, can also only allow main valve 3 peripheral wall and throttling
Using being slidably matched and the 4th sealing structure being arranged between the peripheral wall of set 2, the 4th sealing structure is allowed to use on 3 peripheral wall of main valve
End medial surface opens up at least one of annular seal groove and installs the structure type of sealing ring in seal groove, and allows main valve 3
The peripheral wall clearance fit of peripheral wall and valve body 1, and hydraulic oil is injected in the space that throat bushing 2, main valve 3 and trapping set 4 surrounds.
This structure is that main valve 3 provides mobile guide effect, and cooperates charge and discharge moral by annular space hydraulic damping by throat bushing 2
The controllability of main valve 3 mobile stationarity and quick opening valve equally can be improved in stream.At this time due to 2 peripheral wall of throat bushing and valve body 1
Gap between peripheral wall is directly connected to outside by gas vent 14 will not generate negative pressure, not need in 2 peripheral wall of throat bushing and valve
Air hole is set between gap and control chamber between 1 peripheral wall of body, although the guiding role to main valve 3 is not so good as above structure,
But which simplify structures and manufacturing process, and the purpose of the present invention equally can be achieved.Similarly, the present invention can also only allow main valve 3
Peripheral wall and valve body 1 peripheral wall between using being slidably matched and the 5th sealing structure be arranged, allow the 5th sealing structure to use in master
At least one of annular seal groove is opened up on 3 peripheral wall upper end lateral surface of valve and the structure type of sealing ring is installed in seal groove,
And the skies for allowing the peripheral wall of main valve 3 and the peripheral wall clearance fit of throat bushing 2, and being 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, and passes through annular space hydraulic damping by valve body 1
Cooperate inflation/deflation throttling, the controllability of main valve 3 mobile stationarity and quick opening valve equally can be improved.
As case is advanced optimized, originally it is embodied as guaranteeing sealing performance when main valve 3 is closed between land 13,
Present embodiment is provided with the 6th sealing structure in the bottom wall downside of main valve 3.6th sealing structure includes disc type
Gasket 6 and disc type pressing plate 7, and through hole is provided at the middle part of gasket 6 and pressing plate 7.Meanwhile main valve 3 being allowed to exist
Mounting hole is set in the middle part of bottom wall, the bottom wall downside in main valve 3 and periphery setting short sleeve 31 in mounting hole, in main work
The bottom wall downside outer setting of door 3 annular gap 32 corresponding with land 13.Limit is set on the lower end peripheral wall of throttling rod 5
Platform 51.31 outside of short sleeve for allowing gasket 6 and pressing plate 7 to be set on 3 bottom wall of main valve, and extend the outer rim of gasket 6
To the annular gap 32 of 3 bottom wall downside of main valve.Main valve 3 is allowed to be mounted on throttling rod 5 by the mounting hole on its bottom wall,
And it is pressed in the limiting stand 51 on throttling rod 5 on pressing plate 7.When this structure setting can guarantee that main valve 3 is closed by gasket 6
With the leakproofness between land 13, and have the advantages that convenient to disassembly, advantageous maintenance and inspection.To further increase main valve
Leakproofness between 3 and land 13, present embodiment edge in the upper side of land 13 is provided with first conical surface 131, and makes
Gasket 6 is provided with second conical surface 61 with first conical surface 131 cooperation in land 13, and circumferentially sets on second conical surface 61
Multi-turn protrusion is set.The compactness of gasket 6 Yu land 13 can be improved in this structure setting, by cooperation multi-turn protrusion, guarantees
The sealing performance of large aperture connecting tube.Meanwhile the leakproofness to guarantee gasket 6 and 7 junction of disc type pressing plate, this is specific
Embodiment is provided with the first sealing 311 also between short sleeve 31 and throttling rod 5, in the limit of short sleeve 31 and throttling rod 5
Between platform 51 be provided with second sealing 312, between short sleeve 31 and pressing plate 7 be provided with third sealing 313, short sleeve 31 with
The 4th sealing 314 is provided between gasket 6.It is 2 superfluous that this structure setting has the possible leak path in each of junction
Remaining sealing, sealability are stronger.In addition, in practical applications, to make pressing plate 7 have certain sealability, this specific implementation
Mode usually makes to be interference fitted between the peripheral wall of pressing plate 7 and the hole wall of land 13.
Above embodiments are only the descriptions carried out to the preferred embodiment for the present invention, and range not is claimed to the present invention
The restriction of progress, without departing from the spirit of the design of the present invention, the technology of this field engineers and technicians according to the present invention
The various forms of deformations that scheme is made, should fall within the scope of protection determined by the claims of the present invention.
Claims (10)
1. a kind of high-pressure high-flow quick opening valve, which is characterized in that including valve body (1), throat bushing (2), main valve (3), trapping
(4) and throttling rod (5) are covered, the valve body (1) is tubulose and is equipped with upper end cover (11), and the lower end of valve body (1) is equipped with air circuit connection
Mouth (12)；The throat bushing (2) includes peripheral wall and bottom wall, and throat bushing (2) is fixed on the interior of valve body (1) by the upper end of its peripheral wall
In chamber and make to be equipped with gap between the peripheral wall of throat bushing (2) and the peripheral wall of valve body (1), be offered in the middle part of the bottom wall of throat bushing (2)
Through-hole；The main valve (3) includes peripheral wall and bottom wall, and the peripheral wall of main valve (3) is in the peripheral wall and throat bushing (2) of valve body (1)
Peripheral wall between gap in；The trapping set (4) is set in throat bushing (2), and make trapping set (4) and upper end cover (11) it
Between form closed control chamber；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 peripheral wall medial surface of the valve body (1) and position
Land (13) are equipped in the lower position of main valve (3) bottom wall；Upper side position on the peripheral wall of valve body (1) and positioned at land (13)
Equipped with gas vent (14), on the peripheral wall of valve body (1) and position corresponding with land (13) or the lower position for being located at land (13)
Equipped with inflating port (15)；The upper end cover (11) is equipped with the first connector (16) and the second connector (17) being connected to control chamber,
Second connector (17) is connect by gas tube (18) with inflating port (15), and gas tube (18) is equipped with one-way throttle valve (19).
2. a kind of high-pressure high-flow quick opening valve described in accordance with the claim 1, which is characterized in that the week of the throat bushing (2)
The first sealing structure is equipped between wall upper end and upper end cover (11), first sealing structure includes being provided with throat bushing (2)
At least one of annular seal groove and the sealing being mounted in seal groove of peripheral wall upper surface or/and upper end cover (11) downside
Circle；It is slidably matched between the trapping set (4) and the peripheral wall of throat bushing (2) and is equipped with second seals structure, second sealing
Structure includes at least one of annular seal groove and the sealing being mounted in seal groove being provided on trapping set (4) outer peripheral surface
Ring.
3. a kind of high-pressure high-flow quick opening valve according to claim 2, which is characterized in that the week of the throat bushing (2)
Third sealing structure is equipped between wall upper end and the peripheral wall of valve body (1), the third sealing structure includes being provided with throat bushing (2)
Peripheral wall upper end lateral surface or/and valve body (1) peripheral wall medial surface at least one of annular seal groove and be mounted in seal groove
Sealing ring.
4. a kind of high-pressure high-flow quick opening valve described in accordance with the claim 3, which is characterized in that the week of the main valve (3)
It is slidably matched between wall and the peripheral wall of throat bushing (2) and is equipped with the 4th sealing structure, the 4th sealing structure includes being provided with
At least one of annular seal groove of main valve (3) peripheral wall upper end medial surface and the sealing ring being mounted in seal groove；The master
The peripheral wall of valve (3) and the peripheral wall clearance fit of valve body (1)；What the throat bushing (2), main valve (3) and trapping set (4) surrounded
Hydraulic oil is marked in space.
5. a kind of high-pressure high-flow quick opening valve described in accordance with the claim 3, which is characterized in that the week of the main valve (3)
It is slidably matched between wall and the peripheral wall of valve body (1) and is equipped with the 5th sealing structure, the 5th sealing structure includes being provided with master
At least one of annular seal groove on the lateral surface of valve (3) peripheral wall upper end and the sealing ring being mounted in seal groove, main valve
(3) the peripheral wall clearance fit of peripheral wall and throat bushing (2)；The sky that the throat bushing (2), main valve (3) and trapping set (4) surround
Between in be marked with hydraulic oil.
6. a kind of high-pressure high-flow quick opening valve described in accordance with the claim 3, which is characterized in that the week of the main valve (3)
It is slidably matched between wall and the peripheral wall of throat bushing (2) and is equipped with the 4th sealing structure, the 4th sealing structure includes being provided with
At least one of annular seal groove on the medial surface of main valve (3) peripheral wall upper end and the sealing ring being mounted in seal groove；It is described
It is slidably matched between the peripheral wall of main valve (3) and the peripheral wall of valve body (1) and is equipped with the 5th sealing structure, the 5th sealing structure
Including at least one of the annular seal groove being provided on the lateral surface of main valve (3) peripheral wall upper end and it is mounted on close in seal groove
Seal ring；The upper end of throat bushing (2) offers the gap and control chamber being connected between throat bushing (2) peripheral wall and valve body (1) peripheral wall
Air hole (21)；Hydraulic oil is marked in the space that the throat bushing (2), main valve (3) and trapping set (4) surround.
7. according to a kind of high-pressure high-flow quick opening valve described in any one of claims 1-6, which is characterized in that the main valve
(3) bottom wall downside is equipped with the 6th sealing structure, and the 6th sealing structure includes disk seal (6) and disc type pressure
Through hole is equipped in the middle part of plate (7), gasket (6) and pressing plate (7)；Mounting hole is equipped in the middle part of the bottom wall of the main valve (3),
The bottom wall downside of main valve (3) and periphery in mounting hole is equipped with short sleeve (31), outside the bottom wall downside of main valve (3)
Along equipped with annular gap (32) corresponding with land (13)；The lower end peripheral wall of throttling rod (5) is equipped with limiting stand (51)；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 gasket (6) extends to main valve
(3) the annular gap (32) of bottom wall downside；Main valve (3) is mounted on throttling rod (5) by the mounting hole on its bottom wall, and
It is pressed in the limiting stand (51) on throttling rod (5) on pressing plate (7).
8. a kind of high-pressure high-flow quick opening valve according to claim 7, which is characterized in that the upside of the land (13)
Along first conical surface (131) are equipped in face, gasket (6) is equipped with the second cone with first conical surface (131) cooperation on land (13)
Face (61), circumferentially arranged with multi-turn protrusion on second conical surface (61).
9. a kind of high-pressure high-flow quick opening valve according to claim 8, which is characterized in that the main valve (3) it is short
Be equipped with the first sealing (311) between casing (31) and throttling rod (5), the limiting stands (51) of short sleeve (31) and throttling rod (5) it
Between be equipped with second sealing (312), between short sleeve (31) and pressing plate (7) be equipped with third sealing (313), short sleeve (31) with seal
It pads and is equipped with the 4th sealing (314) between (6).
10. a kind of high-pressure high-flow quick opening valve according to claim 8, which is characterized in that the peripheral wall of the pressing plate (7)
It is interference fitted between the hole wall of land (13).
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 CN106885034A (en) | 2017-06-23 |
| CN106885034B true CN106885034B (en) | 2019-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029108B (en) * | 2018-10-12 | 2020-05-19 | 北京特种机械研究所 | Automatic air-release mechanism of launching box |
| CN109229408B (en) * | 2018-10-12 | 2020-06-09 | 北京特种机械研究所 | Method for releasing high-pressure gas in launching 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 |
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| Publication number | Publication date |
|---|---|
| CN106885034A (en) | 2017-06-23 |
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