CN107676321B - A kind of inside reversal valve for pneumatic booster - Google Patents
A kind of inside reversal valve for pneumatic booster Download PDFInfo
- Publication number
- CN107676321B CN107676321B CN201710855510.0A CN201710855510A CN107676321B CN 107676321 B CN107676321 B CN 107676321B CN 201710855510 A CN201710855510 A CN 201710855510A CN 107676321 B CN107676321 B CN 107676321B
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- CN
- China
- Prior art keywords
- valve seat
- sealing pair
- gas
- valve
- push rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/023—Excess flow valves, e.g. for locking cylinders in case of hose burst
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
Abstract
The invention discloses a kind of inside reversal valves for pneumatic booster, the reversal valve works in pairs, single reversal valve includes valve housing and the push rod being mounted in valve housing, seal disc, nut, left valve seat, right valve seat and port valve seat, the seal disc quantity is 2, the left and right ends of push rod are symmetrically mounted on by nut respectively, form moveable spool;The upper and lower ends of the push rod and the junction of valve housing are equipped with sealing ring A, left and right end both ends are each passed through left valve seat and right valve seat, it is isolated between push rod and left valve seat, right valve seat by sealing ring B, the quantity of the port valve seat is two, it is symmetrically mounted on two sides in valve housing, left valve seat, right valve seat and port valve seat are fixedly mounted in valve housing, form 4 limit points.The present invention has the function of automatic reverse, cycle operation, air inlet and deflation, and integrated level is high, optimizes the topology layout performance under small space.
Description
Technical field
The present invention relates to Pneumatic booster precise tracking technical field, specifically a kind of inside for pneumatic booster is changed
To valve.
Background technique
Currently, the development of fluid space Push Technology has reached its maturity in the world, by Propellant Supply mode point, mainly have
Squash type propulsion system and turbine pump pressure type propulsion system two major classes.In addition to both the above, above two push away separately is combined
Into the Pneumatic booster engine system of system advantage.
Commutation valve technology is the key technology of pneumatic booster.Using the technology, driving gas driven can be allowed negative
Work is carried, realizes the work that moves in circles of load.
Summary of the invention
In order to realize Pneumatic booster technology, the present invention provides a kind of inside reversal valves for pneumatic booster, have
Automatic reverse, cycle operation, the function of air inlet and deflation, integrated level is high, optimizes the topology layout performance under small space.
The purpose of the present invention is achieved through the following technical solutions: a kind of inside reversal valve for pneumatic booster, should
Reversal valve works in pairs, single reversal valve include valve housing and the push rod being mounted in valve housing, seal disc, nut,
Left valve seat, right valve seat and port valve seat, the seal disc quantity are 2, are symmetrically mounted on the left and right of push rod by nut respectively
Both ends form moveable spool;The upper and lower ends of the push rod and the junction of valve housing are equipped with sealing ring A, left and right
End both ends are each passed through left valve seat and right valve seat, are isolated between push rod and left valve seat, right valve seat by sealing ring B, the port
The quantity of valve seat is two, is symmetrically mounted on two sides in valve housing, left valve seat, right valve seat and port valve seat are fixedly mounted on valve
In gate housing, 4 limit points are formed;4 cutting edges on the removable spool and left valve seat, right valve seat and port valve seat, structure
At 4 couples of sealing pair X1, sealing pair X2, sealing pair Y1 and sealing pair Y2, a spring is socketed between the left valve seat and push rod.
Preferably, the left valve seat is equipped with air inlet B1, and right valve seat is equipped with air inlet B2, is respectively communicated with and needs to distribute
Gas, and unanimously keep gas supply.
Preferably, the two sides of the push rod upper seal A12 are equipped with air inlet A1 and air inlet A2.
Preferably, the outside of 4 couples of sealing pair X1, sealing pair X2, sealing pair Y1 and sealing pair Y2 are equipped with gas distribution chamber C1
It is controlled at the gas flow C1 at B1 with gas distribution chamber C2, sealing pair X2;Sealing pair Y2 is controlled at the gas flow D1 at C1;
Sealing pair Y1 is controlled at the gas flow C2 at B2;Sealing pair X1 is controlled at the gas flow D2 at C2.
Preferably, the junction of the left valve seat, right valve seat, port valve seat and valve housing is equipped with sealing ring C.
Preferably, the junction of the left valve seat, right valve seat, seal disc and push rod is equipped with sealing ring B.
Preferably, gas source enters air inlet B1 and air inlet B2, controls gas to gas by sealing pair X2 and sealing pair Y1
The flow direction of body distribution cavity C1 and gas distribution chamber C2;Gas at gas distribution chamber C1 and gas distribution chamber C2 passes through sealing pair X1
Flow direction of the gas to gas flow D1 and gas flow D2 is controlled with sealing pair Y2.
Preferably, the directly logical external environment of gas flow D1 and gas flow D2, pressure zero.
Preferably, sealing pair X1 and sealing pair X2 are worked at the same time, and sealing pair Y1 and sealing pair Y2 are worked at the same time, two pairs of sealings
Pair works alternatively, and realizes the function of alternate supplies gas and exhaust.
Compared with prior art, the invention has the following advantages:
The automatic distribution of supply gas, the output to move in circles by gas working medium are realized, and then drives loaded work piece,
Has the function of automatic reverse, cycle operation, air inlet and deflation, integrated level is high, optimizes the topology layout under small space
Energy.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the embodiment of the present invention for the inside reversal valve of pneumatic booster.
Fig. 2 is the working principle diagram of the embodiment of the present invention.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
As Figure 1-Figure 2, the embodiment of the invention provides a kind of inside reversal valve for pneumatic booster, the commutations
Valve works in pairs, and single reversal valve includes valve housing and the push rod being mounted in valve housing 1, seal disc 2, nut 3, a left side
Valve seat 4, right valve seat 5 and port valve seat 6,2 quantity of seal disc are 2, are symmetrically mounted on push rod 1 by nut 3 respectively
Left and right ends form moveable spool;The upper and lower ends of the push rod 1 and the junction of valve housing are equipped with sealing ring
A12, left and right end both ends are each passed through left valve seat 4 and right valve seat 5, pass through sealing ring between push rod 1 and left valve seat 4, right valve seat 5
B11 isolation, the quantity of the port valve seat 6 are two, are symmetrically mounted on two sides in valve housing, left valve seat 4,5 and of right valve seat
Port valve seat 6 is fixedly mounted in valve housing, forms 4 limit points;The removable spool and left valve seat 4, right valve seat 5 and
4 cutting edges on port valve seat 6 constitute 4 couples of sealing pair X1, sealing pair X2, sealing pair Y1 and sealing pair Y2, the left valve seat 4
A spring 7 is socketed between push rod 1, the left valve seat 4 is equipped with air inlet B1, and right valve seat 5 is equipped with air inlet B2, respectively
Connection needs the gas distributed, and unanimously keeps the supply of gas, and the two sides of the 1 upper seal A12 of push rod are equipped with air inlet
Mouthful A1 and air inlet A2,4 couples of sealing pair X1, sealing pair X2, sealing pair Y1 and sealing pair Y2 outside be equipped with gas distribution chamber C1
It is controlled at the gas flow C1 at B1 with gas distribution chamber C2, sealing pair X2;Sealing pair Y2 is controlled at the gas flow D1 at C1;
Sealing pair Y1 is controlled at the gas flow C2 at B2;Sealing pair X1 is controlled at the gas flow D2 at C2.
The left valve seat 4, right valve seat 5, port valve seat 6 and the junction of valve housing are equipped with sealing ring C8,10.
The left valve seat 4, right valve seat 5, seal disc 2 and push rod 1 junction be equipped with sealing ring B9,11, gas source enters
Air inlet B1 and air inlet B2 controls gas to gas distribution chamber C1 and gas distribution chamber C2 by sealing pair X2 and sealing pair Y1
Flow direction;Gas at gas distribution chamber C1 and gas distribution chamber C2 controls gas to gas by sealing pair X1 and sealing pair Y2
The flow direction of runner D1 and gas flow D2.
The directly logical external environment of gas flow D1 and gas flow D2, pressure zero, sealing pair X1 and sealing pair X2 are simultaneously
Work, sealing pair Y1 and sealing pair Y2 are worked at the same time, and two pairs of sealing pairs work alternatively, and realize the function of alternate supplies gas and exhaust
Energy.
This specific implementation passes through sealing pair X2 and sealing pair Y1 control in use, gas source enters air inlet B1 and air inlet B2
Flow direction of the gas processed to gas distribution chamber C1 and gas distribution chamber C2;Gas at gas distribution chamber C1 and gas distribution chamber C2 is logical
Cross sealing pair X1 and sealing pair Y2 control flow direction of the gas to gas flow D1 and gas flow D2, sealing pair X1 and sealing pair X2
It works at the same time, sealing pair Y1 and sealing pair Y2 are worked at the same time, and two pairs of sealing pairs work alternatively, and realize alternate supplies gas and exhaust
Function.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (9)
1. a kind of inside reversal valve for pneumatic booster, which is characterized in that the reversal valve works in pairs, single reversal valve packet
Push rod (1), seal disc (2), nut (3), left valve seat (4), the right valve seat (5) for including valve housing and being mounted in valve housing
With port valve seat (6), seal disc (2) quantity is 2, is symmetrically mounted on the left and right two of push rod (1) by nut (3) respectively
End, forms moveable spool;The upper and lower ends of the push rod (1) and the junction of valve housing are equipped with sealing ring A (12),
Left and right end both ends are each passed through left valve seat (4) and right valve seat (5), by close between push rod (1) and left valve seat (4), right valve seat (5)
Seal B (11) isolation, the quantity of the port valve seat (6) are two, are symmetrically mounted on two sides in valve housing, left valve seat (4),
Right valve seat (5) and port valve seat (6) are fixedly mounted in valve housing, form 4 limit points;The removable spool and left valve
4 cutting edges on seat (4), right valve seat (5) and port valve seat (6) constitute 4 couples of sealing pair X1, sealing pair X2, sealing pair Y1 and close
Secondary Y2 is sealed, is socketed with a spring (7) between the left valve seat (4) and push rod (1).
2. a kind of inside reversal valve for pneumatic booster as described in claim 1, which is characterized in that the left valve seat
(4) it is equipped with air inlet B1, right valve seat (5) is equipped with air inlet B2, is respectively communicated with the gas for needing to distribute, and unanimously keep
The supply of gas.
3. a kind of inside reversal valve for pneumatic booster as described in claim 1, which is characterized in that the push rod (1)
The two sides of upper seal A (12) are equipped with air inlet A1 and air inlet A2.
4. a kind of inside reversal valve for pneumatic booster as described in claim 1, which is characterized in that 4 couples of sealing pair X1,
The outside of sealing pair X2, sealing pair Y1 and sealing pair Y2 are equipped with gas distribution chamber C1 and gas distribution chamber C2, sealing pair X2 control
At gas flow gas distribution chamber C1 at air inlet B1;Sealing pair Y2 controls the gas flow gas stream at gas distribution chamber C1
At road D1;Sealing pair Y1 is controlled at the gas flow gas distribution chamber C2 at air inlet B2;Sealing pair X1 controls gas distribution chamber
At gas flow gas flow D2 at C2.
5. a kind of inside reversal valve for pneumatic booster as described in claim 1, which is characterized in that the left valve seat
(4), the junction of right valve seat (5), port valve seat (6) and valve housing is equipped with sealing ring C (8,10).
6. a kind of inside reversal valve for pneumatic booster as described in claim 1, which is characterized in that the left valve seat
(4), the junction of right valve seat (5), seal disc (2) and push rod (1) is equipped with sealing ring B (9,11).
7. a kind of inside reversal valve for pneumatic booster as described in claim 1, which is characterized in that gas source enters air inlet
Mouth B1 and air inlet B2 passes through sealing pair X2 and sealing pair Y1 and controls stream of the gas to gas distribution chamber C1 and gas distribution chamber C2
To;Gas at gas distribution chamber C1 and gas distribution chamber C2 controls gas to gas flow by sealing pair X1 and sealing pair Y2
The flow direction of D1 and gas flow D2.
8. a kind of inside reversal valve for pneumatic booster as claimed in claim 4, which is characterized in that gas flow D1 and
The directly logical external environment of gas flow D2, pressure zero.
9. a kind of inside reversal valve for pneumatic booster as described in claim 1, which is characterized in that sealing pair X1 and close
Envelope secondary X2 is worked at the same time, and sealing pair Y1 and sealing pair Y2 are worked at the same time, and two pairs of sealing pairs work alternatively, and realizes alternate supplies gas
With the function of exhaust.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710855510.0A CN107676321B (en) | 2017-09-20 | 2017-09-20 | A kind of inside reversal valve for pneumatic booster |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710855510.0A CN107676321B (en) | 2017-09-20 | 2017-09-20 | A kind of inside reversal valve for pneumatic booster |
Publications (2)
Publication Number | Publication Date |
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CN107676321A CN107676321A (en) | 2018-02-09 |
CN107676321B true CN107676321B (en) | 2019-07-05 |
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CN201710855510.0A Active CN107676321B (en) | 2017-09-20 | 2017-09-20 | A kind of inside reversal valve for pneumatic booster |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2245017A1 (en) * | 1972-09-14 | 1974-04-11 | Reinhard Kucharzyk | PRE-CONTROLLED AND REMOTE CONTROLLED HYDRAULIC, SELF-CONTROLLING DIRECTIONAL VALVE, ALSO SUITABLE FOR GAS MEDIA |
FR2473650A1 (en) * | 1980-01-09 | 1981-07-17 | Chabas & Besson Sa | Regulating valve for double acting hydraulic jack - uses two spring loaded valves to normally close hydraulic passages which allow extra fluid flow when pressure differences are excessive |
CN201180810Y (en) * | 2008-03-04 | 2009-01-14 | 孙光锋 | Gas-controlled reversal valve |
CN201372980Y (en) * | 2009-02-17 | 2009-12-30 | 肇庆市志成气动有限公司 | Pneumatic reversing valve |
CN102536925A (en) * | 2012-01-05 | 2012-07-04 | 解始建 | Hydraulic automatic reciprocating booster |
CN205779969U (en) * | 2016-05-05 | 2016-12-07 | 哈尔滨工程大学 | A kind of autocontrol air operated reversing valve |
-
2017
- 2017-09-20 CN CN201710855510.0A patent/CN107676321B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2245017A1 (en) * | 1972-09-14 | 1974-04-11 | Reinhard Kucharzyk | PRE-CONTROLLED AND REMOTE CONTROLLED HYDRAULIC, SELF-CONTROLLING DIRECTIONAL VALVE, ALSO SUITABLE FOR GAS MEDIA |
DE2245017B2 (en) * | 1972-09-14 | 1978-01-05 | Kucharzyk, Reinhard, 4050 Mönchengladbach | DEVICE FOR CONTROLLING THE PRESSURIZATION OF A POWER PISTON OF A POWER MACHINE |
FR2473650A1 (en) * | 1980-01-09 | 1981-07-17 | Chabas & Besson Sa | Regulating valve for double acting hydraulic jack - uses two spring loaded valves to normally close hydraulic passages which allow extra fluid flow when pressure differences are excessive |
CN201180810Y (en) * | 2008-03-04 | 2009-01-14 | 孙光锋 | Gas-controlled reversal valve |
CN201372980Y (en) * | 2009-02-17 | 2009-12-30 | 肇庆市志成气动有限公司 | Pneumatic reversing valve |
CN102536925A (en) * | 2012-01-05 | 2012-07-04 | 解始建 | Hydraulic automatic reciprocating booster |
CN205779969U (en) * | 2016-05-05 | 2016-12-07 | 哈尔滨工程大学 | A kind of autocontrol air operated reversing valve |
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CN107676321A (en) | 2018-02-09 |
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