CN106321887A - Pneumatic control two-position five-way reversing valve - Google Patents

Pneumatic control two-position five-way reversing valve Download PDF

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Publication number
CN106321887A
CN106321887A CN201610779869.XA CN201610779869A CN106321887A CN 106321887 A CN106321887 A CN 106321887A CN 201610779869 A CN201610779869 A CN 201610779869A CN 106321887 A CN106321887 A CN 106321887A
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CN
China
Prior art keywords
spool
volcanic crater
volcanic
diaphragm
port
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.)
Pending
Application number
CN201610779869.XA
Other languages
Chinese (zh)
Inventor
王世忠
方清华
***
尹宏柏
王婧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO YADEKE AUTOMATIC CHEMICAL INDUSTRY Co Ltd
Original Assignee
NINGBO YADEKE AUTOMATIC CHEMICAL INDUSTRY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NINGBO YADEKE AUTOMATIC CHEMICAL INDUSTRY Co Ltd filed Critical NINGBO YADEKE AUTOMATIC CHEMICAL INDUSTRY Co Ltd
Priority to CN201610779869.XA priority Critical patent/CN106321887A/en
Publication of CN106321887A publication Critical patent/CN106321887A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multiple-Way Valves (AREA)

Abstract

The invention discloses a pneumatic control two-position five-way reversing valve. The pneumatic control two-position five-way reversing valve comprises a main body, wherein a valve cavity and a valve core are arranged in the main body; the valve core is arranged in the valve cavity; an exhaust port I, an air inlet and an exhaust port II which can communicate with the valve cavity are sequentially arranged on one side of the main body from left to right; a working port I and a working port II which can communicate with the valve cavity are arranged on the other side of the main body; a volcanic port I is arranged between the exhaust port I and the working port I; a volcanic port II is arranged between the air inlet and the working port I; a volcanic port III is arranged between the air inlet and the working port II; a volcanic port IV is arranged between the exhaust port II and the working port II; a sealing gasket I which can be matched with the end surface of the volcanic port I, a sealing gasket II which can be matched with the end surface of the volcanic port IV, and a sealing ring of which the sealing state can be switched between the end surfaces of the volcanic port II and the volcanic port III are arranged on the valve core; an end cover is arranged at the left end of the main body; and a control port which can act on the valve core is arranged in the end cover. Through the pneumatic control two-position five-way reversing valve provided by the invention, the cleanliness requirement of a working medium can be reduced and the working reliability can be improved.

Description

A kind of gas control two position-5 way valve
Technical field
The invention belongs to five-way valve field, particularly relate to a kind of gas control two position-5 way valve.
Background technology
At present, common five-way valve structure is " slide column type ", such as Chinese patent notification number: CN103016785A, discloses A kind of symmetric two-position five-way valve, including valve body, the valve rod in the removable valve pocket A being located at valve body, is located at the valve at valve body two ends Lid, the most equidistant on described valve body wall is provided with interior air vent one, gas outlet one, air inlet, gas outlet two, interior row QI KOU two;Fix on described valve pocket A inwall and be lined with spacer, described spacer is interval with some flat circles, described each flat Circle and interior air vent one, gas outlet one, air inlet, gas outlet two, interior air vent two is crisscross arranged, and described valve rod two ends are provided with work Plug, valve rod is interval with two ventilation recesses, and described valve gap is provided with hand-operated valve, and described air inlet is by being located at the logical of valve body Hole connects with hand-operated valve, and described hand-operated valve connects with valve pocket A.
But, in existing slide column type structure, when in compressed air containing solid impurity, impurity can be attached to spool face Slide with spool, during this, easily cut sealing ring, cause cannot realizing between sealing ring and spool effectively sealing.When Time in compressed air containing moisture, moisture can wash away the oils and fats on sealing ring, causes slide construction work bad.The most existing Two-way valve in technology requires higher for the cleannes of working media, otherwise will largely effect on the reliability of valve.
Summary of the invention
The present invention is to overcome above-mentioned deficiency of the prior art, it is provided that a kind of working media cleannes that reduce are wanted Seek, improve gas control two position-5 way valve of functional reliability.
To achieve these goals, the present invention is by the following technical solutions:
A kind of gas control two position-5 way valve, including body, described internal is provided with valve pocket and the spool being arranged in valve pocket, The side of described body is from left to right sequentially provided with air vent one, air inlet and the air vent two that can connect with valve pocket, body Opposite side is provided with the working hole one and working hole two that can connect with valve pocket, is provided with volcano between described air vent one and working hole one Mouth one, is provided with volcanic crater two, is provided with volcanic crater three, air vent between air inlet and working hole two between air inlet and working hole one Be provided with volcanic crater four between two and working hole two, described spool be provided with can with the sealing gasket one of volcanic crater mate, The sealing gasket two that can coordinate with volcanic crater four end face and sealing can be switched between volcanic crater biend and volcanic crater three end face The sealing ring of state, the left end of described body is provided with end cap, is provided with the control mouth that may act on spool in end cap.
In the prior art, for slipper seal between spool and valve body, when controlling gas contains solid impurity, impurity meeting It is attached on spool slide with spool, even cuts sealing ring, cause piston seal bad, thus affect normally changing of valve To, the moisture in gas can wash away the oils and fats on sealing ring, causes slide construction work bad.Slide additionally, due to use Radial seal, higher to spool and spacer requirement on machining accuracy, cause processing cost to remain high.In this programme, in valve pocket Being provided with the volcanic crater of correspondence among individual channel, spool is provided with sealing gasket and sealing ring, thus enters the end face at volcanic crater Row coordinates.During original state, spool is positioned at left position, volcanic crater one and volcanic crater three and is in connected state, volcanic crater two and volcano Mouth four is in cut-off state, and now air inlet leads to working hole two, and working hole one leads to air vent one.Air pressure is had to promote valve when controlling mouth After core moves to right, spool be in right position, volcanic crater two and volcanic crater four be in connected state, volcanic crater one and volcanic crater three be in cut Only state, now air inlet leads to working hole one, working hole two-way air vent two, thus realizes switch operation.Spool part uses Sealing gasket or sealing gasket and the end face seal of intrinsic volcanic crater, enter the solid impurity contained in the working gas of valve pocket, i.e. Just it is attached on spool, because of the movement of spool, sealing ring and sealing gasket will not be caused damage, extend sealing ring and close In the service life of packing, improve the reliability of five-way valve.And sealing ring and sealing gasket need not rely on oils and fats and participate in sealing, Moisture in working gas will not produce impact to sealing effectiveness.Therefore, the filtering accuracy of working gas is required relatively low, can be Use under adverse circumstances, as dust atmosphere and other working medias contain the environment such as solid impurity or moisture.
As preferably, be provided with in described valve pocket exhaust chamber one corresponding to air vent one position and with working hole one position Corresponding work chamber one, the left end of described spool is provided with left seal receptacle, and described volcanic crater one is arranged on exhaust chamber one He Between work chamber one, described sealing gasket one is arranged on the right-hand member of left seal receptacle.Between exhaust chamber one and work chamber one Arranging volcanic crater one, when spool moves to left, the sealing gasket one on left seal receptacle separates with volcanic crater one, working hole one and air vent Connect between one.When spool moves to right, the sealing gasket one on left seal receptacle is fitted with volcanic crater, thus realizes sealing.
As preferably, the middle part of described valve pocket is provided with the inlet plenum that air inlet position is corresponding, and the inside of valve pocket right-hand member sets Having spacer, the left end of described spacer to be provided with the work chamber two connected with working hole two, described volcanic crater three is arranged on work Between chamber two and inlet plenum.So, when spool moves to left, sealing ring seals with volcanic crater two, and when spool moves to right Time, sealing ring seals with volcanic crater three.
As preferably, being provided with the exhaust chamber two connected with air vent two in described spacer, described volcanic crater four is arranged Between work chamber two and exhaust chamber two, the right-hand member of described spool is provided with right seal receptacle, and described sealing gasket two is arranged on the right side The left end of seal receptacle.So, when spool moves to left, sealing gasket two seals with volcanic crater four, and when spool moves to right, close Packing two separates with volcanic crater four, connects between work chamber two and exhaust chamber two.
As preferably, the right-hand member of described body is provided with and seals fixing bottom with valve pocket, and described bottom is provided with to be made to the left Back-moving spring for spool.Action of reset spring is in spool, and when controlling mouth and not having gas pressure, spool is in left position, makes Obtain volcanic crater one and volcanic crater three is in normally open.When controlling mouth and having gas pressure in spool, spool overcomes back-moving spring Act on and move right so that volcanic crater two and volcanic crater four are in open mode.
As preferably, the left end of described body is provided with and controls the diaphragm chamber that mouth connects, and the left end of spool is provided with diaphragm Assembly, diaphragm unit includes diaphragm, diaphragm seat and the fixing lid being positioned in diaphragm chamber, and diaphragm inner ring passes through diaphragm seat with solid Determining lid location, the outer ring of diaphragm is positioned by body and end cap.Diaphragm unit is used spool to be guided and auxiliary reset, Need not slipper seal, it is not required that using oils and fats, solid impurity or moisture in working gas do not interfere with diaphragm unit Stability.
As preferably, the outer ring of described sealing ring is provided with and can seal the left circle body that coordinate and can be with volcano with volcanic crater two Mouth three seals the right circle body coordinated, the V-shaped layout in cross section of described left circle body and right circle body, is provided with location close in the middle part of described spool The annular groove of seal.So, sealing ring can realize the sealing to its two lateral crater according to Impact direction difference.Owing to sealing ring cuts The V-shaped structure in face, can realize the sealing to volcanic crater by self-deformation when its pressurized, and the deformation quantity of sealing ring can be with sealing Pad one or sealing gasket two coordinate so that sealing gasket one or sealing gasket two also can reach the effect simultaneously sealed.
As preferably, inside the left end of described valve pocket, it is provided with the guide ring that spool left end can be guided, described bottom interior Side is provided with the pilot hole guiding spool right-hand member.So the two ends of spool are all by positioning and guiding effect, stable when moving left and right Property and precision are higher.
The invention has the beneficial effects as follows: (1) work process is reliable and stable, be not easily susceptible to solid impurity and water in working gas The impact divided, is greatly improved service life;(2) reduce the requirement for working gas cleannes, be usable in such as dust etc. More in rugged environment;(3) stroke of spool shortens, and switches the rapidest between sealing and connecting, working gas circulation energy Power is bigger;(4) action effect that cooperates between sealing ring and sealing gasket is preferable, reduces the requirement for producing precision, Production cost is substantially reduced.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of duty of the present invention;
In figure: body 1, volcanic crater two 1a, volcanic crater one 1b, working hole 1, working hole 2 102, air vent 2 103, air inlet Mouth 104, air vent 1, fixing lid 2, diaphragm 3, diaphragm seat 4, left seal receptacle 5, sealing gasket 1, sealing ring 7, right circle body 7a, left circle body 7b, sealing gasket 28, right seal receptacle 9, spacer 10, volcanic crater three 10a, volcanic crater four 10b, back-moving spring 11, the end Lid 12, exhaust chamber 2 13, spool 14, work chamber 2 15, inlet plenum 16, work chamber 1, exhaust chamber 1, leads To ring 19, end cap 20, control mouth 20a, diaphragm chamber 21.
Detailed description of the invention
The present invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings.
In embodiment as shown in Figure 1, a kind of gas control two position-5 way valve, including body 1, basis is the most internal is provided with valve pocket, Being provided with spool 14 in valve pocket, spool can move left and right in valve pocket.The downside of body is from left to right sequentially provided with can with valve pocket even Logical air vent 1, air inlet 104 and air vent 2 103, the upside of body is provided with the working hole one that can connect with valve pocket 101 and working hole 2 102, air vent one, air inlet, air vent two and working hole one, working hole two interlaced arrangement.Air vent one And between working hole one, it is provided with volcanic crater one 1b, it is provided with volcanic crater two 1a, air inlet and work between air inlet and working hole one Being provided with volcanic crater three 10a between mouthfuls two, be provided with volcanic crater four 10b between air vent two and working hole two, spool is provided with can be with The sealing gasket 1 of volcanic crater mate, the sealing gasket two that can coordinate with volcanic crater four end face and can be at volcanic crater two end Switching the sealing ring 7 of sealing state between face and volcanic crater three end face, the left end of body is provided with end cap 20, is provided with and can make in end cap For the control mouth 20a of spool, control mouth and can connect extraneous source of the gas, thus spool position is moved and is controlled.
Exhaust chamber 1 corresponding to air vent one position and the work corresponding with working hole one position it is provided with in valve pocket Chamber 1, volcanic crater one is arranged between exhaust chamber one and work chamber one, the opening at volcanic crater one towards left side, spool Left end be provided with left seal receptacle 5, sealing gasket one is arranged on the right-hand member of left seal receptacle.
The middle part of valve pocket is provided with inlet plenum corresponding to air inlet position 16, and volcanic crater two is arranged on a left side for inlet plenum Side, the opening at volcanic crater two is towards right side.The inside of valve pocket right-hand member is provided with spacer 10, and the left end of spacer is provided with working hole two even Logical work chamber 2 15, volcanic crater three is arranged between work chamber two and inlet plenum, and the opening at volcanic crater three is towards a left side Side.
Being provided with the exhaust chamber 2 13 connected with air vent two in spacer, volcanic crater four is arranged on work chamber two and aerofluxus Between chamber two, the opening at volcanic crater four is towards right side.The right-hand member of spool is provided with right seal receptacle 9, and sealing gasket two is arranged on right close The left end of envelope seat.The right-hand member of body is provided with and seals fixing bottom 12 with valve pocket, and bottom is provided with and acts on answering of spool to the left Position spring 11, bottom is provided with the right spring base coordinated with back-moving spring right-hand member, and the right-hand member of right seal receptacle is provided with and back-moving spring The left spring seat that left end coordinates.Be provided with inside the left end of valve pocket can to spool left end guide guide ring 19, left seal receptacle with lead Being slidably matched between ring, the inner side of bottom is provided with the pilot hole guiding spool right-hand member, between right seal receptacle and pilot hole also It is to be slidably matched.
Sealing ring is positioned in work chamber, the outer ring of sealing ring be provided with can seal with volcanic crater two the left circle body 7b that coordinate with And the right circle body 7a coordinated, the V-shaped layout in cross section of left circle body and right circle body can be sealed with volcanic crater three, it is fixed to be provided with in the middle part of spool The annular groove of position sealing ring.A V groove it is provided with so that left circle body and right circle body all can be to middle V between left circle body and right circle body Deformation in groove.
The left end of body is provided with and controls the diaphragm chamber 21 that mouth connects, and the left end of spool is provided with diaphragm unit, diaphragm group Part includes diaphragm 3, diaphragm seat 4 and the fixing lid 2 being positioned in diaphragm chamber, and diaphragm inner ring is fixed by diaphragm seat and fixing lid Position, the outer ring of diaphragm is positioned by body and end cap.Diaphragm chamber is divided into two by diaphragm, from control mouth gas pressure in During diaphragm, diaphragm deformation, promote spool to move right simultaneously.
In actual moving process, during original state, control at mouth without gas pressure, back-moving spring and iris action, make Obtain spool to be moved to the left.Now, the left circle body of sealing ring is airtight with volcanic crater two, and sealing gasket two is airtight with volcanic crater four, and close Separate between right circle body and the volcanic crater three of seal, also separate between sealing gasket one with volcanic crater one, therefore volcanic crater one and fire Mountain pass three is in connected state, volcanic crater two and volcanic crater four and is in cut-off state, and now air inlet leads to working hole two, working hole One leads to air vent one.When controlling mouth and having gas pressure, as in figure 2 it is shown, air pressure makes diaphragm deformation, back-moving spring is compressed, Promotion spool moves to right.Now, the right circle body of sealing ring is airtight with volcanic crater three, and sealing gasket one is airtight with volcanic crater one, and seals Separate between left circle body and the volcanic crater two of circle, also separate between sealing gasket two with volcanic crater four, volcanic crater two and volcanic crater four Being in connected state, volcanic crater one and volcanic crater three and be in cut-off state, now air inlet leads to working hole one, and working hole two-way is arranged QI KOU two, thus realize commutation.When the control gas acting on diaphragm in controlling mouth disconnects, spool relies on spring force to reset, Return to original state.

Claims (8)

1. gas control two position-5 way valve, including body (1), is provided with valve pocket in described body (1) and is arranged on valve pocket Interior spool (14), is characterized in that, the side of described body (1) is from left to right sequentially provided with the air vent one that can connect with valve pocket (105), air inlet (104) and air vent two (103), the opposite side of body (1) is provided with the working hole one that can connect with valve pocket (101) and working hole two (102), it is provided with volcanic crater one (1b) between described air vent one (105) and working hole one (101), enters It is provided with volcanic crater two (1a) between QI KOU (104) and working hole one (101), sets between air inlet (104) and working hole two (102) There is volcanic crater three (10a), between air vent two (103) and working hole two (102), be provided with volcanic crater four (10b), described spool (14) be provided with can with the sealing gasket one (6) that volcanic crater one (1b) end face coordinates, can be close with what volcanic crater four (10b) end face coordinated Packing two (8) and the sealing ring of sealing state can be switched between volcanic crater two (1a) end face and volcanic crater three (10a) end face (7), the left end of described body (1) is provided with end cap (20), is provided with the control mouth that may act on spool (14) in end cap (20) (20a).
A kind of gas control two position-5 way valve the most according to claim 1, is characterized in that, be provided with air vent in described valve pocket Exhaust chamber one (18) that one (105) position is corresponding and the work chamber one (17) corresponding with working hole one (101) position, institute The left end stating spool (14) is provided with left seal receptacle (5), and described volcanic crater one (1b) is arranged on exhaust chamber one (18) and work Between chamber one (17), described sealing gasket one (6) is arranged on the right-hand member of left seal receptacle (5).
A kind of gas control two position-5 way valve the most according to claim 1 and 2, is characterized in that, the middle part of described valve pocket sets Having the inlet plenum (16) that air inlet (104) position is corresponding, the inside of valve pocket right-hand member is provided with spacer (10), described spacer (10) Left end is provided with the work chamber two (15) connected with working hole two (102), and described volcanic crater three (10a) is arranged on work chamber Between two (15) and inlet plenum (16).
A kind of gas control two position-5 way valve the most according to claim 3, is characterized in that, be provided with in described spacer (10) with The exhaust chamber two (13) that air vent two (103) connects, described volcanic crater four (10b) is arranged on work chamber two (15) and row Between gas chamber two (13), the right-hand member of described spool (14) is provided with right seal receptacle (9), and described sealing gasket two (8) is arranged on right close The left end of envelope seat (9).
A kind of gas control two position-5 way valve the most according to claim 1 and 2, is characterized in that, the right-hand member of described body (1) Being provided with and seal fixing bottom (12) with valve pocket, described bottom (12) is provided with the back-moving spring acting on spool (14) to the left (11).
A kind of gas control two position-5 way valve the most according to claim 1 and 2, is characterized in that, the left end of described body (1) Being provided with and control the diaphragm chamber (21) that mouth (20a) connects, the left end of spool (14) is provided with diaphragm unit, and diaphragm unit includes position Diaphragm (3), diaphragm seat (4) and fixing lid (2) in diaphragm chamber (21), diaphragm (3) inner ring is by diaphragm seat (4) and consolidates Determining lid (2) location, the outer ring of diaphragm (3) is positioned by body (1) and end cap (20).
A kind of gas control two position-5 way valve the most according to claim 1 and 2, is characterized in that, outside described sealing ring (7) Circle is provided with and can seal the left circle body (7b) coordinated with volcanic crater two (1a) and can seal, with volcanic crater three (10a), the right circle coordinated Body (7a), the V-shaped layout in cross section of described left circle body (7b) and right circle body (7a), described spool (14) middle part is provided with location sealing The annular groove of circle (7).
A kind of gas control two position-5 way valve the most according to claim 5, is characterized in that, set inside the left end of described valve pocket Having the guide ring (19) that can guide spool (14) left end, the inner side of described bottom (12) is provided with spool (14) right-hand member guiding Pilot hole.
CN201610779869.XA 2016-08-31 2016-08-31 Pneumatic control two-position five-way reversing valve Pending CN106321887A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610779869.XA CN106321887A (en) 2016-08-31 2016-08-31 Pneumatic control two-position five-way reversing valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610779869.XA CN106321887A (en) 2016-08-31 2016-08-31 Pneumatic control two-position five-way reversing valve

Publications (1)

Publication Number Publication Date
CN106321887A true CN106321887A (en) 2017-01-11

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Application Number Title Priority Date Filing Date
CN201610779869.XA Pending CN106321887A (en) 2016-08-31 2016-08-31 Pneumatic control two-position five-way reversing valve

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111336147A (en) * 2020-03-16 2020-06-26 杭州师范大学钱江学院 All-stable six-position four-way reversing valve based on rotary valve core and switching method thereof

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2337007A1 (en) * 1973-07-20 1975-02-06 Festo Maschf Stoll G Multiway shuttle valve - actuated by pressure on diaphragms at either end of shuttle
DE2537347A1 (en) * 1974-08-21 1976-03-04 Hydro Pneumatic Ab CONTROL VALVE
GB1470853A (en) * 1973-05-28 1977-04-21 Festo Maschf Stoll G Multi-way valves
US4193423A (en) * 1975-11-27 1980-03-18 Gerhard Hihn Multiway valve
SU1325237A1 (en) * 1985-07-10 1987-07-23 Предприятие П/Я Р-6266 Four-way control valve
RU2027935C1 (en) * 1991-04-18 1995-01-27 Научно-исследовательский институт авиационной технологии и организации производства Pneumovacuum distributor
CN2484450Y (en) * 2001-06-03 2002-04-03 江明君 Double-piston coaxial two-position five-way stop valve
CN201651409U (en) * 2010-05-07 2010-11-24 宁波市爱托普气动液压有限公司 Two-position five-way reverse control valve
CN202017792U (en) * 2011-04-28 2011-10-26 浙江欧瑞泰汽配有限公司 Pneumatic reversal valve for automobile gearbox
CN206054807U (en) * 2016-08-31 2017-03-29 宁波亚德客自动化工业有限公司 Two position-5 way valve of gas control

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1470853A (en) * 1973-05-28 1977-04-21 Festo Maschf Stoll G Multi-way valves
DE2337007A1 (en) * 1973-07-20 1975-02-06 Festo Maschf Stoll G Multiway shuttle valve - actuated by pressure on diaphragms at either end of shuttle
DE2537347A1 (en) * 1974-08-21 1976-03-04 Hydro Pneumatic Ab CONTROL VALVE
US4193423A (en) * 1975-11-27 1980-03-18 Gerhard Hihn Multiway valve
SU1325237A1 (en) * 1985-07-10 1987-07-23 Предприятие П/Я Р-6266 Four-way control valve
RU2027935C1 (en) * 1991-04-18 1995-01-27 Научно-исследовательский институт авиационной технологии и организации производства Pneumovacuum distributor
CN2484450Y (en) * 2001-06-03 2002-04-03 江明君 Double-piston coaxial two-position five-way stop valve
CN201651409U (en) * 2010-05-07 2010-11-24 宁波市爱托普气动液压有限公司 Two-position five-way reverse control valve
CN202017792U (en) * 2011-04-28 2011-10-26 浙江欧瑞泰汽配有限公司 Pneumatic reversal valve for automobile gearbox
CN206054807U (en) * 2016-08-31 2017-03-29 宁波亚德客自动化工业有限公司 Two position-5 way valve of gas control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111336147A (en) * 2020-03-16 2020-06-26 杭州师范大学钱江学院 All-stable six-position four-way reversing valve based on rotary valve core and switching method thereof
CN111336147B (en) * 2020-03-16 2021-08-31 杭州师范大学钱江学院 All-stable six-position four-way reversing valve based on rotary valve core and switching method thereof

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