CN209569090U - A kind of more degree adjustment valves of the mixing ratio of liquid-propellant rocket engine - Google Patents
A kind of more degree adjustment valves of the mixing ratio of liquid-propellant rocket engine Download PDFInfo
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- CN209569090U CN209569090U CN201920157966.4U CN201920157966U CN209569090U CN 209569090 U CN209569090 U CN 209569090U CN 201920157966 U CN201920157966 U CN 201920157966U CN 209569090 U CN209569090 U CN 209569090U
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- 239000003380 propellant Substances 0.000 title claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000006073 displacement reaction Methods 0.000 claims abstract description 10
- 230000008859 change Effects 0.000 claims abstract description 6
- 239000011148 porous material Substances 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 18
- 239000007789 gas Substances 0.000 description 13
- 239000000306 component Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a kind of more degree adjustment valves of mixing ratio of liquid-propellant rocket engine, including valve body, the main-inlet for being opened in described valve body one end and being connected to propellant main road, the primary outlet for being opened in the valve body side, the main valve plug for being movably arranged in the valve body and being used to adjust the main-inlet with the circulation area of the primary outlet by change in location, and it is set in the valve body, the opening adjustment mechanism for driving the main valve plug to move in the valve body.By opening adjustment mechanism to the displacement drive of main valve plug, precision control valve door aperture can be needed according to operating condition, to accurately adjust propellant mixture ratio, compared with the prior art, the utility model carries out mixing ratio adjusting directly on propellant main road, and without installing remaining related valve, adjusting method is efficiently, conveniently, control system complexity is low, and space hold is less, lower production costs.
Description
Technical field
The utility model relates to Liquid Propellant Rocket Engine field, in particular to a kind of mixing of liquid-propellant rocket engine
Than more degree adjustment valves.
Background technique
With the development of aeronautical and space technology, various aerospace equipments have been widely studied.
The major impetus source of aerospace equipment is rocket, and most important component is rocket engine on rocket.
Rocket engine (rocket engine) carries propellant (energy) by aircraft, can be in dense atmosphere with external space work
Make, the energy is converted into the kinetic energy of working medium (working media) in rocket engine, forms high-speed jet discharge and generates thrust.Root
Different according to the states of matter of propellant, rocket engine generally can be divided into the liquid rocket engine using liquid propellant, using solid
The mixed hybrid rocket engine etc. of the solid propellant rocket or Solid liquid propellant of body propellant.
By taking liquid rocket engine as an example, currently, being each equipped with propellant mixture ratio on advanced liquid-propellant rocket engine
(i.e. fuel-oxidant mixing ratio) regulating system improves carrying capacity to optimize propellant waste.In the prior art, it is
It realizes the adjusting to mixing ratio, generally by the way that regulating valve is arranged on propellant access, controls mixing using the aperture of regulating valve
Than.However, the liquid-propellant rocket engine of active service at present, often carries out mixing ratio adjusting in oxidant bypass or combustion gas road, simultaneously
Multiple individual Air control valves that need to arrange in pairs or groups are adjusted, to realize valve switch function and the mixing on propellant main road respectively
Compare regulatory function.Such valve arrangement form, installation valve quantity is more, and pipe-line layout and complete machine structure are more complicated, to hair
Space hold in motivation main body is more, and the light-weight design and system for being unfavorable for rocket engine simplify, while increasing control
The complexity and production cost of system processed.
Therefore, how conveniently and efficiently to realize the propellant mixture ratio adjusting to liquid-propellant rocket engine, cut down valve peace
Quantity is filled, control system complexity is reduced, space hold and production cost is reduced, is those skilled in the art's skill urgently to be resolved
Art problem.
Utility model content
The purpose of the utility model is to provide a kind of more degree adjustment valves of the mixing ratio of liquid-propellant rocket engine, Neng Goufang
Just, efficiently realize the propellant mixture ratio adjusting to liquid-propellant rocket engine, cut down valve installation number, reduce control system
Complexity reduces space hold and production cost.
In order to solve the above technical problems, the utility model provides a kind of more aperture regulations of mixing ratio of liquid-propellant rocket engine
Valve including valve body, the main-inlet for being opened in described valve body one end and being connected to propellant main road, is opened in the valve body side
Primary outlet is movably arranged in the valve body and for adjusting the main-inlet and the primary outlet by change in location
The main valve plug of circulation area, and be set in the valve body, for driving what the main valve plug moved in the valve body to open
Spend regulating mechanism.
Preferably, the main-inlet is opened in the end of the length direction of the valve body, and the primary outlet is opened in described
On the width direction side wall of valve body；The operative end surface area of the main valve plug is greater than the area of section of the main-inlet, and described
Main valve plug is under the driving of the opening adjustment mechanism in moving along its length in the valve body.
Preferably, the opening adjustment mechanism includes the driving for controlling the displacement of the main valve plug by axial movement
Bar, the guide sleeve for being set in the valve body and being used to install the drive rod, and for driving the drive rod to carry out axis
To mobile driving assembly.
Preferably, the valve body includes the main part and valve deck being mutually interlocked, and the guide sleeve includes along the valve body
The columnar part and be arranged circumferentially in the disc portion on the columnar part outer wall, and the outer rim folder of the disc portion that length direction is distributed
It is held between the main part and the buckling surface of the valve deck；The drive rod is slidably disposed in the axial direction of the columnar part
In inner cavity.
Preferably, the driving component includes the first control port for being opened in the disc portion side, the drive rod
End abutted with the inner side end of the main valve plug, the end face of the end inner side end of the drive rod and the disc portion it
Between confined space formed by flexible first ripple pipe, and the first control port and first bellows is interior
Chamber connection, with the inner side end for pushing the end of the drive rod that its end face outside is made to compress the main valve plug.
Preferably, opened up on the inner side end of the main valve plug it is fluted, and the end of the drive rod be connected to it is described
In groove；It is connected between the operative end surface of the main valve plug and the groove by intercommunicating pore, is opened up on the side wall of the groove
The side through hole for thering are several to be connected to the primary outlet；The end thickness of the drive rod is less than the depth of the groove, and institute
The end outer end area for stating drive rod is greater than the area of section of the intercommunicating pore.
Preferably, spring, and the spring have been abutted between the inner face of the main valve plug and the outer wall of the disc portion
Elastic telescopic be oriented parallel to the axial direction of the drive rod.
Preferably, the driving component further includes being opened in the second control port of the valve deck end and movably setting
The outer base being placed in the valve deck is provided with the limit of the maximum displacement for limiting the outer base on the valve deck inner wall
Portion；It is formed between the inner side end of the outer base and the end face of the disc portion by flexible second bellows closed
Space, and the second control port is connected to the cavity between second bellows and the valve deck inner wall, to compress
Stating the second bellows makes it that the outer base be driven to push the drive rod.
Preferably, the driving component further includes being opened in the third control port of the disc portion other side and moving
Ground is set to the interior base on the inner side end of the outer base, the end face of the inner side end of the interior base and the disc portion
Between by flexible third bellows formed confined space, and the third control port and second bellows and
Cavity connection between the third bellows makes it that the interior base be driven to push the drive to compress the third bellows
Lever.
The more degree adjustment valves of the mixing ratio of liquid-propellant rocket engine provided by the utility model mainly include valve body, master
Spool and opening adjustment mechanism.Wherein, structure based on valve body is mainly used for docking with propellant main road, while installing carrying
Remaining components.Offer main-inlet in one end of valve body, offer primary outlet in the side of valve body, wherein the main-inlet with
The connection of propellant main road, can be introduced directly into propellant, flow out again from primary outlet after changing aperture in valve body.Main valve plug and aperture
Regulating mechanism is arranged in valve body, is core component, wherein main valve plug can be moved in valve body, and operative end surface is used
It is abutted in main-inlet, can be turned off or open, when main valve plug is in the intracorporal change in location of valve, operative end surface enters with master
Mouthful pitch-synchronous variation, the spacing variation be valve body aperture variation, change be main-inlet and primary outlet circulating face
Product (or flow).And opening adjustment mechanism is arranged in valve body, is mainly used for being needed to drive main valve plug in valve body according to operating condition
The movement of corresponding displacement is carried out, accurately to control the spacing of main-inlet Yu main valve plug operative end surface, and then the aperture of application valve body,
Control propellant mixture ratio.In conclusion the more aperture regulations of the mixing ratio of liquid-propellant rocket engine provided by the utility model
Valve can need precision control valve door aperture, thus accurately by opening adjustment mechanism to the displacement drive of main valve plug according to operating condition
Propellant mixture ratio is adjusted, compared with the prior art, the utility model carries out mixing ratio adjusting directly on propellant main road, and
And without installing remaining related valve, efficiently, conveniently, control system complexity is low, and space hold is less, is produced into for adjusting method
This is lower.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of overall structure diagram of specific embodiment provided by the utility model.
Fig. 2 is the status diagram that valve is in zero aperture.
Fig. 3 is the status diagram that valve is in full gate degree.
Fig. 4 is the status diagram that valve is in high aperture.
Fig. 5 is the status diagram that valve is in low aperture.
Wherein, in Fig. 1-Fig. 5:
Valve body -1, main part -101, valve deck -102, limiting section -121, main-inlet -2, primary outlet -3, main valve
Core -4, groove -401, intercommunicating pore -402, side through hole -403, drive rod -5, guide sleeve -6, columnar part -601, plate-like
Portion -602, the first controls port -7, the first bellows -8, and spring -9, the second controls port -10, outer base -11, the
Two bellows -12, third control port -13, interior base -14, third bellows -15.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5 are please referred to, Fig. 1 is a kind of specific embodiment provided by the utility model
Overall structure diagram, Fig. 2 are the status diagram that valve is in zero aperture, and Fig. 3 is the state signal that valve is in full gate degree
Figure, Fig. 4 are the status diagram that valve is in high aperture, and Fig. 5 is the status diagram that valve is in low aperture.
In a kind of specific embodiment provided by the utility model, the propellant mixture ratio of liquid-propellant rocket engine is more
Degree adjustment valve mainly includes valve body 1, main valve plug 4 and opening adjustment mechanism.
Wherein, structure based on valve body 1 is mainly used for docking with propellant main road, while installing and carrying remaining components.
Main-inlet 2 is offered in one end of valve body 1, offers primary outlet 3 in the side of valve body 1, wherein the main-inlet 2 and propellant
Main road connection, can be introduced directly into propellant, flow out again from primary outlet 3 after changing aperture in valve body 1.
Main valve plug 4 and opening adjustment mechanism are arranged in valve body 1, are core component, wherein main valve plug 4 can be in valve body 1
It is inside moved, operative end surface can be turned off or open, when main valve plug 4 is in valve body 1 for abutting with main-inlet 2
When change in location, the pitch-synchronous of operative end surface and main-inlet 2 changes, and spacing variation is the aperture variation of valve body 1, changes
What is become is the circulation area (or flow) of main-inlet 2 Yu primary outlet 3.
Opening adjustment mechanism is arranged in valve body 1, be mainly used for being needed to drive according to operating condition main valve plug 4 in valve body 1 into
The movement of the corresponding displacement of row, accurately to control the spacing of main-inlet 2 Yu 4 operative end surface of main valve plug, and then application valve body 1 is opened
Degree controls propellant mixture ratio.
In conclusion the more degree adjustment valves of the mixing ratio of liquid-propellant rocket engine provided by the present embodiment, pass through aperture
Regulating mechanism can need precision control valve door aperture, to accurately adjust propellant to the displacement drive of main valve plug 4 according to operating condition
Mixing ratio, compared with the prior art, the utility model carry out mixing ratio adjusting directly on propellant main road, and without installation
Remaining related valve, efficiently, conveniently, control system complexity is low, and space hold is less, lower production costs for adjusting method.
In a kind of preferred embodiment about valve body 1, which is specially split type structure, including main part 101
With valve deck 102, the rwo is mutually interlocked and links into an integrated entity, and can pass through the connectors such as ring flange reality at the connecting end surface of the two
Now it is fastenedly connected.Main-inlet 2 can be specifically located on the end on the length direction of valve body 1, and primary outlet 3 may be provided at valve body
On the side wall of 1 width direction.And main valve plug 4 and opening adjustment mechanism are all set in main part 101 and the combination of valve deck 102 is formed
Internal cavities in.
Wherein, opening adjustment mechanism includes drive rod 5, guide sleeve 6 and driving assembly, and driving assembly includes the first control
Port 7 processed, the first bellows 8, spring 9, second control port 10, outer base 11, the second bellows 12, third and control port
13, interior base 14 and third bellows 15.
In a kind of preferred embodiment about guide sleeve 6, which mainly includes columnar part 601 and disc portion
602.Wherein, the setting of columnar part 601 is arranged in parallel in valve body 1, and along the length direction of valve body 1, and disc portion 602 is horizontal
To the middle position that columnar part 601 is arranged in.Meanwhile the radius of the disc portion 602 is longer, extends to the interior of valve body 1
At wall, and it is clamped between the main part 101 of valve body 1 and the buckling surface of valve deck 102, then can be real by fasteners such as bolts
The fixation of existing guide sleeve 6.Herein to reinforce the installation fixed effect to guide sleeve 6, in the fastening of main part 101 and valve deck 102
Trench structure, then the joint sheet in trench structure can be opened up on face, when clamping the disc portion 602 of guide sleeve 6, so that plate-like
The bulge-structure of 602 surface of portion setting is pressed on the gasket of trench structure.At this point, the disc portion 602 due to guide sleeve 6 is deposited
The inner space of valve body 1 is being divided into two parts, i.e., sap cavity space and diagram right side in the main part 101 in diagram left side
Valve deck 102 in air cavity space.Obviously, sap cavity space is mainly used for the flowing for propellant, and air cavity space is mainly used for
For the flowing of the control air-flow of each control port.
The columnar part 601 of guide sleeve 6 actually tubular structure, it is internal axially hollow, wherein drive rod 5 is installed, the drive
Lever 5 can the axial direction under the driving of driving assembly along columnar part 601 move back and forth, while head and the tail two of the drive rod 5
End has also extended through the gentle cavity space in sap cavity space of valve body 1.
Main valve plug 4, spring 9 and the first bellows 8 are all set in sap cavity space.Wherein, it is in " recessed " word that main valve plug 4 is whole
Type has operative end surface (diagram left side) and inner side end (diagram right side).The operative end surface of main valve plug 4 be mainly used for
Main-inlet 2 abuts against, and the surface area of operative end surface is greater than the area of section of main-inlet 2, can be turned off completely；Operative end surface with
Stayed between main-inlet 2 it is at regular intervals after, the propellant in main-inlet 2 can smoothly be flowed out from primary outlet 3, which is
The direct embodiment of valve opening.Meanwhile fluted 401 are opened up on the inner side end of main valve plug 4, and formed with drive rod 5
Clamping, specifically, the end of drive rod 5 can be T-shaped, is embedded in the groove 401 of main valve plug 4, when the end of drive rod 5
It is clamped into after the groove 401 of main valve plug 4, the T-type end of drive rod 5 is rotated by 90 ° can not deviate from from groove 401.
Moreover, it is contemplated that liquid-propellant rocket engine needs certain initial flow, be in initial start up state
This, even if in the case where main valve plug 4 completely closes main-inlet 2, it is also desirable to keep a certain amount of aperture from remaining access.For
This, the present embodiment has opened up intercommunicating pore 402 in the operative end surface of main valve plug 4, if while having opened up on the side wall of groove 401
Dry side through hole 403, while guaranteeing that the end thickness of drive rod 5 is less than the depth of groove 401, and the end outer end of drive rod 5
Face is greater than the area of section of intercommunicating pore 402.So set, it is closed completely even if the operative end surface of main valve plug 4 compresses main-inlet 2
In the case where closing, a certain amount of propellant also can flow out primary outlet 3 by the path of intercommunicating pore 402 and side through hole 403, ensure that
Liquid-propellant rocket engine initial flow required when starting.
Spring 9 is arranged between the inner side end of main valve plug 4 and 602 end face of disc portion of guide sleeve 6, closely supports with the two
It connects, moves compression 1 end face of valve body along diagram left-hand for main valve plug 4 and sealing force is provided.It, can also be in master for convenience of the abutting of spring 9
The inner side end peripheral edge portion of spool 4 puts on spring pad, while can smoothly be slided along the inner wall of main part 101 using the spring pad
It is dynamic.First bellows 8 is set on position where 5 end of drive rod, and both ends respectively with the tip inside end face of drive rod 5
It is connected with the end face of disc portion 602, which is one
For kind based on the pipe fitting with elasticity and dynamic sealing function, sealing performance is excellent, can make the end inner side end and plate-like of drive rod 5
Sealing space is formed between (diagram the is left) end face in portion 602, so that the propellant in the sap cavity space external with it completely cuts off.
Connect above-mentioned, outer base 11, interior base 14, the second bellows 12 and third bellows 15 in driving assembly are respectively provided with
In the air cavity space of valve deck 102, and the first control port 7 is provided with the side of disc portion 602, and the second control port 10 opens up
End on the length direction of valve deck 102, opposite with main-inlet 2, third control port 13 is then provided with the another of disc portion 602
Side.
Specifically, outer base 11 is arranged on the end bottom surface of valve deck 102, and can move in the axial direction, when its movement
It can offset with the tail end of drive rod 5 after to preset distance, and push its axial movement.It and is to prevent outer base 11 to drive rod 5
Driving apart from excessive, limiting section 121 in a ring is provided on the inner wall of valve deck 102.The setting side of second bellows 12
Formula is similar with the first bellows 8, is connected between the inner face of outer base 11 and the end face of disc portion 602, equally has bullet
Property, and equally make to form confined space between the inner face of outer base 11 and the end face of disc portion 602, and the gas with outside
Cavity space isolation is opened.
Similarly, interior base 14 is arranged in the trench structure opened up on the inner face of outer base 11, can be with outer base 11
Axial movement and synchronize axial movement, and can be abutted after being moved to preset distance with the tail end of drive rod 5 and push it
Axial movement --- in fact, outer base 11 exactly pushes behaviour by the synchronous of interior base 14 to the promotion operation of drive rod 5
Make and indirectly realizes.Meanwhile third bellows 15 is connected between the inner face of interior base 14 and the end face of disc portion 602,
It is same that there is elasticity, and make to form confined space between the inner face of interior base 14 and the end face of disc portion 602, and with outside
Another sealing space formed by the second bellows 12 and outermost air cavity space isolation open.
For each control port, the first control port 7, second controls port 10 and third control port 13 and high pressure
Gas communication can produce air pressure motive force.Wherein, the first control port 7 is provided on the side of disc portion 602, the second control
Port 10 is provided on the end of valve deck 102, and third control port 13 is provided on the other side of disc portion 602.Also, the
One control port 7 along the inner cavity of disc portion 602 and inner cavity and the aperture of columnar part 601, finally with the inner cavity of the first bellows 8
Connection, and by driving force effect on the end inner side end of drive rod 5, to push drive rod 5 along its axial direction towards on the left of illustrating
Movement, and then make drive rod 5 that main valve plug 4 be pushed to be pressed on main-inlet 2.
The aperture that second control port 10 opens up in the end inner cavity of valve deck 102 and outer base 11 eventually arrives at valve deck
102 air cavity space, certainly due to the presence of the second bellows 12, which can only be full of 102 inner wall of valve deck and second
Air cavity space between the outer wall of bellows 12, and by driving force effect in the both ends of the surface of the second bellows 12, so that
Two bellowss 12 generate axial shrinkage, and then pull outer base 11 axially towards the movement of diagram left side.
The action principle that third controls port 13 is similar with the second control port 10, and high pressure gas can be along disc portion 602
The inner cavity of the other side can be directly to the inner cavity up to the second bellows 12, at the same be also third bellows 15 and the second bellows 12 it
Between confined space in, thus, high pressure gas by driving force effect in the both ends of the surface of third bellows 15 so that third ripple
Pipe 15 generates axial shrinkage, and then pulls interior base 14 axially towards the movement of diagram left side.
Aperture Principles of Regulation are illustrated below with reference to the different opening state of the more degree adjustment valves of mixing ratio, are joined simultaneously
Attached drawing 2,3,4,5 is examined, respectively valve opening is zero aperture (zero aperture for being different from attached drawing 1), full gate degree (maximum opening), height
The status diagram of aperture (specified aperture) and low aperture.
Liquid-propellant rocket engine prestart, valve needs are in the completely closed state, and the first control port 7 is passed through control at this time
Gas processed, gas enter the inner cavity of the first bellows 8, and atmospheric pressure pushes drive rod 5 to move to left, is pressed on drive rod 5 on main valve plug 4
Sealing is kept, since the cross cut end (of a beam) product of drive rod 5 is greater than the sectional area of intercommunicating pore 402, the at this time propulsion in main-inlet 2
Agent is fully closed, and is zero aperture state.
When liquid-propellant rocket engine starts, the first control port 7 removes control gas, and valve restores to assembly shown in FIG. 1
State, propellant are axially flowed by the recirculation hole on main valve plug 4 by main-inlet 2, are then flowed after the outflow of each side through hole 403
To primary outlet 3.And then, with the pressure rise of liquid-propellant rocket engine, valve inlet pressure is gradually risen, propellant effect
Power in 8 both ends of the surface of the first bellows compresses the first bellows 8, and then drives the right side synchronous with main valve plug 4 of drive rod 5
It moves, until drive rod 5 contacts limit with interior base 14, so that the aperture L2 of assembled state is become 0, valve reaches maximum opening, liquid
Body rocket engine is in high operating condition.
When the logical control gas of the second control port 10, gas is by reaching air cavity space, gas after valve deck 102 and outer base 11
Pressure compresses the second bellows 12, and outer base 11 is driven to move to left, and outer base 11 pushes interior base 14 and drive rod 5, main valve plug 4
It synchronizes and moves to left, until outer base 11 contacts limit with the limiting section 121 on valve deck 102, the aperture of valve reduces L3 at this time, and makes
L3=0, valve reach specified aperture, and liquid-propellant rocket engine is in declared working condition.
When the second control port 10 removes control gas, and ventilates to third control port 13, gas passes through disc portion 602
Into in the confined space between third bellows 15 and the second bellows 12, third bellows 15 is under atmospheric pressure effect into one
Step compression, drives interior base 14 to move to left, thus push drive rod 5 and main valve plug 4 synchronize move to left, valve opening further decreases,
Until interior base 14 contacts limit with the end face of columnar part 601, the L4 of assembled state becomes L4=0, and valve reaches low and opens at this time
Degree, liquid-propellant rocket engine are in low operating condition.Meanwhile the second bellows of gas push 12 and outer base 11 move to right, L3 is restored to
Initial assembled state.
In conclusion passing through the aeration status for controlling the first control port 7, second port 10 and third control port 13
Control, can push respectively drive rod 5 to carry out different degrees of axial displacement, while realize that the operative end surface of main valve plug 4 enters with master
Mouthfuls 2 spacing variation, reaches different degrees of valve opening, and liquid-propellant rocket engine can also correspondingly declared working condition,
High operating condition, low operating condition are converted between off-mode.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (9)
1. a kind of more degree adjustment valves of the mixing ratio of liquid-propellant rocket engine, which is characterized in that including valve body (1), be opened in institute
State valve body (1) one end and be connected to propellant main road main-inlet (2), be opened in the valve body (1) side primary outlet (3),
It is movably arranged in the valve body (1) and for adjusting the main-inlet (2) and the primary outlet (3) by change in location
Circulation area main valve plug (4), and be set in the valve body (1), for driving the main valve plug (4) in the valve body
(1) opening adjustment mechanism moved in.
2. the more degree adjustment valves of the mixing ratio of liquid-propellant rocket engine according to claim 1, which is characterized in that the master
Entrance (2) is opened in the end of the length direction of the valve body (1), and the primary outlet (3) is opened in the width of the valve body (1)
On the side wall of direction；The operative end surface area of the main valve plug (4) is greater than the area of section of the main-inlet (2), and the main valve
Core (4) moves under the driving of the opening adjustment mechanism in the valve body (1) along its length.
3. the more degree adjustment valves of the mixing ratio of liquid-propellant rocket engine according to claim 2, which is characterized in that described to open
Degree regulating mechanism includes for passing through the drive rod (5) for the displacement for moving axially the control main valve plug (4), being set to the valve
Guide sleeve (6) in body (1) and for installing the drive rod (5), and for driving the drive rod (5) to carry out axial shifting
Dynamic driving assembly.
4. the more degree adjustment valves of the mixing ratio of liquid-propellant rocket engine according to claim 3, which is characterized in that the valve
Body (1) includes the main part (101) and valve deck (102) being mutually interlocked, and the guide sleeve (6) includes the length along the valve body (1)
It spends the columnar part (601) of directional spreding and is arranged circumferentially in the disc portion (602) on the columnar part (601) outer wall, and is described
The outer rim of disc portion (602) is held between the main part (101) and the buckling surface of the valve deck (102)；The drive rod
(5) it is slidably disposed in the axial bore of the columnar part (601).
5. the more degree adjustment valves of the mixing ratio of liquid-propellant rocket engine according to claim 4, which is characterized in that the drive
Dynamic component includes the first control port (7) for being opened in the disc portion (602) side, the end of the drive rod (5) and institute
The inner side end for stating main valve plug (4) abuts, the end inner side end of the drive rod (5) and the end face of the disc portion (602)
Between confined space, and first control port (7) and the first wave formed by flexible first bellows (8)
The inner cavity of line pipe (8) is connected to, to push the end of the drive rod (5) that its end face outside is made to compress the interior of the main valve plug (4)
Side end face.
6. the more degree adjustment valves of the mixing ratio of liquid-propellant rocket engine according to claim 5, which is characterized in that the master
It is opened up on the inner side end of spool (4) fluted (401), and the end of the drive rod (5) is connected to the groove (401)
It is interior；It is connected between the operative end surface and the groove (401) of the main valve plug (4) by intercommunicating pore (402), the groove
(401) several side through hole (403) being connected to the primary outlet (3) are offered on side wall；The end of the drive rod (5)
Thickness is less than the depth of the groove (401), and the end outer end area of the drive rod (5) is greater than the intercommunicating pore (402)
Area of section.
7. the more degree adjustment valves of the mixing ratio of liquid-propellant rocket engine according to claim 6, which is characterized in that the master
It has been abutted between the inner face of spool (4) and the outer wall of the disc portion (602) spring (9), and the elasticity of the spring (9) is stretched
Contracting is oriented parallel to the axial direction of the drive rod (5).
8. the more degree adjustment valves of the mixing ratio of liquid-propellant rocket engine according to claim 7, which is characterized in that the drive
Dynamic component further includes being opened in second control port (10) of the valve deck (102) end and being movably arranged at the valve deck
(102) outer base (11) in is provided with the maximum displacement for limiting the outer base (11) on valve deck (102) inner wall
Limiting section (121)；By having elasticity between the inner side end of the outer base (11) and the end face of the disc portion (602)
The second bellows (12) form confined space, and second control port (10) and second bellows (12) and described
Cavity connection between valve deck (102) inner wall makes it that the outer base (11) be driven to push away to compress second bellows (12)
Move the drive rod (5).
9. the more degree adjustment valves of the mixing ratio of liquid-propellant rocket engine according to claim 8, which is characterized in that the drive
Dynamic component further includes being opened in third control port (13) of the disc portion (602) other side and being movably arranged at described
Interior base (14) on the inner side end of outer base (11), inner side end and the disc portion (602) of the interior base (14)
End face between confined space, and third control port (13) and institute formed by flexible third bellows (15)
The cavity connection between the second bellows (12) and the third bellows (15) is stated, is made with compressing the third bellows (15)
It drives the interior base (14) to push the drive rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920157966.4U CN209569090U (en) | 2019-01-29 | 2019-01-29 | A kind of more degree adjustment valves of the mixing ratio of liquid-propellant rocket engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920157966.4U CN209569090U (en) | 2019-01-29 | 2019-01-29 | A kind of more degree adjustment valves of the mixing ratio of liquid-propellant rocket engine |
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| Publication Number | Publication Date |
|---|---|
| CN209569090U true CN209569090U (en) | 2019-11-01 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920157966.4U Withdrawn - After Issue CN209569090U (en) | 2019-01-29 | 2019-01-29 | A kind of more degree adjustment valves of the mixing ratio of liquid-propellant rocket engine |
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| CN (1) | CN209569090U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595098A (en) * | 2019-01-29 | 2019-04-09 | 九州云箭(北京)空间科技有限公司 | A kind of more degree adjustment valves of the mixing ratio of liquid-propellant rocket engine |
-
2019
- 2019-01-29 CN CN201920157966.4U patent/CN209569090U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595098A (en) * | 2019-01-29 | 2019-04-09 | 九州云箭(北京)空间科技有限公司 | A kind of more degree adjustment valves of the mixing ratio of liquid-propellant rocket engine |
| CN109595098B (en) * | 2019-01-29 | 2024-02-27 | 九州云箭(北京)空间科技有限公司 | Mixing ratio multi-opening regulating valve of liquid rocket engine |
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Granted publication date: 20191101 Effective date of abandoning: 20240227 |