CN108916400A - A kind of water hydraulic hydraulic-controlled switch valve suitable for especially big flow control - Google Patents
A kind of water hydraulic hydraulic-controlled switch valve suitable for especially big flow control Download PDFInfo
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- CN108916400A CN108916400A CN201810782901.9A CN201810782901A CN108916400A CN 108916400 A CN108916400 A CN 108916400A CN 201810782901 A CN201810782901 A CN 201810782901A CN 108916400 A CN108916400 A CN 108916400A
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- sealing ring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
A kind of water hydraulic hydraulic-controlled switch valve suitable for especially big flow control, including main valve body（1）, main valve plug（2）, spring（3）, main valve plug sealing ring pressing plate（4）, main valve plug baffle（6）, outlet connection（7）, application valve body（8）, control valve core right baffle-plate（9）, control valve core（10）, control valve core sealing ring left pressing plate（11）, control valve core right shell body（12）, control valve core sealing ring right pressing plate（13）, deflection core（14）And Electric Actuator（16）Composition, technical effect of the invention are embodied in：1, the power for being opened and closed and being sealed using hydraulic power as main valve realizes that super-flow control requires.Torque lever is set simultaneously, electromagnetic force is amplified, to adapt to the operating condition of super-pressure.2, Electric Actuator as pilot operated valve device headstock gear have torsion is big, switch is reliable, can emergency operation outstanding advantages of.
Description
Technical field
The present invention relates to aqueous pressure control valve classes more particularly to a kind of water hydraulic hydraulic control suitable for especially big flow control to open
Close valve.
Background technique
Generally in Water hydraulics and control system, the water hydraulic system generally flow greater than 1500L/min calls
Especially big flow system.Especially big flow system can be widely applied to all multisystems such as water process, sea water desalination, sewage purification
In.The element class product such as high pressure pump valve is concentrated mainly on small Class Type at present.Such as Danfoss company of Denmark water hydraulic element
Product maximum stream flow grade is 120L/min, and WaterHydraulic company of Britain water hydraulic element is up to 250L/min, state
Inside and outside water hydraulic associated high voltage control valve class product maximum diameter product be DN50, can application traffic control system be about 800L/
Min, more big orifice product then have not been reported.
In high pressure water hydraulic system, the water hydraulic element manufacture of super-flow control is particularly difficult, is with switch valve class
Example, as latus rectum is excessive（Such as：Greater than DN100）, according to method design element is typically designed, then can encounter mating control element such as
Electromagnet, Electric Actuator, pneumatic actuator etc. are unable to satisfy functional requirement in situation.
Summary of the invention
To solve deficiency existing for currently available technology, the present invention provides a kind of aqueous suitable for especially big flow control
Hydraulic-controlled switch valve is pressed, which uses non-hydraulic damping pilot-operated type structure, act by magnet control pilot valve, switches main valve
The high-low pressure difference communicating position of core epicoele pushes main valve plug to open, close and sealing with differential pressure hydraulic power, and movement and sealing can
It leans on, while emergency push rod being installed, it, can manual-operated emergent valve opening in the case where Electromagnetic Control failure.Specific technical solution is as follows：
A kind of water hydraulic hydraulic-controlled switch valve suitable for especially big flow control controls pilot operated valve device using Electric Actuator, with differential pressure
Hydraulic power pushes main valve plug movement, realizes the open and close and sealing of valve.Differential pressure hydraulic power can be used as main valve hoisting capacity
Big orifice（Greater than DN100）Structure is suitable for especially big flow control.Electric Actuator has torsion as pilot operated valve device headstock gear
Greatly, switch it is reliable, can emergency operation outstanding advantages of.Two-stage valve is direct dynamic structure, and contamination resistance is strong.Two-stage valve port is close
Envelope is all made of assembled soft sealing structure, is simple to manufacture, sealed reliable.
A kind of water hydraulic hydraulic-controlled switch valve suitable for especially big flow control, including main valve body, main valve plug, spring, main valve
Core sealing ring pressing plate, main valve plug baffle, outlet connection, application valve body, control valve core right baffle-plate, control valve core, control valve core are close
Seal left pressing plate, control valve core right shell body, control valve core sealing ring right pressing plate, deflection core and Electric Actuator composition,
Runner, runner and water outlet are provided on main valve body,
Main valve body water outlet is threaded with outlet connection, is provided with water inlet on outlet connection,
Position is provided with a radial protrusion shaft shoulder among main valve plug, and main valve plug one end end face is sealing plane, both ends on main valve plug
At least one hole is had,
Main valve plug is located in main valve body, main valve plug sealing ring pressing plate between main valve plug one end end face and outlet connection,
Valve core cavity is formed between the shaft shoulder on main valve body, main valve plug and main valve plug,
Valve core cavity is formed between the shaft shoulder, main valve body on main valve plug and main valve plug sealing ring pressing plate,
At least one hole of one end is connected to by in-core chamber with runner on main valve plug, at least one hole of the other end is logical on main valve plug
Valve core cavity is crossed to be connected to runner,
Spring is located at intracavitary, and the both ends of spring are against on main valve body and the shaft shoulder respectively,
It is respectively arranged with D chamber and E chamber in control valve core right baffle-plate and control valve core right shell body,
Control valve core baffle, upper annular spread have at least one hole communicated with D chamber and E chamber, are arranged on control valve core right baffle-plate
There is the water outlet being connected to D chamber, the water inlet being connected to E chamber be provided in control valve core right shell body,
Control valve core right baffle-plate and control valve core right shell body are threaded in respectively in application valve body both ends, control valve core both ends point
The water outlet and E for not being provided with control valve core sealing ring left pressing plate and control valve core sealing ring right pressing plate, and being connected to respectively with D chamber
The water inlet of chamber connection matches,
A pair of second retaining ring is distributed in mirror image on application valve body and a pair of of annular pushes seat, and a pair of of annular pushes seat to be located at one
To between the second retaining ring, annular spread has one group of through-hole respectively on a pair of second retaining ring,
F chamber is formed between application valve body and control valve core, and F chamber is close according to control valve core sealing ring left pressing plate and control valve core
The position selection of seal right pressing plate is connected to D chamber or E chamber,
Electric Actuator is equipped with rotation axis, and the lower end surface of rotation axis is equipped with a deflection core, and the lower end for deflecting core passes through control
Valve body processed is caught in a pair of of annular and pushes in seat,
Application valve body is mounted on main valve body, and chamber is connected to by runner with D chamber,
Chamber is connected to by runner with F chamber, and E chamber with the water inlet on outlet connection by being connected to.
Application valve body is provided with the water stream channel being connected to the left end of main valve body, and chamber is connected to by runner, chamber with D chamber,
Water stream channel is provided in the middle part of application valve body and main valve body, chamber is connected to by runner, water stream channel with F chamber, and application valve body is right
End is provided with water stream channel and water stream channel, and water stream channel and connects, water stream channel with E is intracavitary is connected to, on outlet connection
It is provided with pipelined channel, water stream channel is connected by water outlet with pipelined channel.
Position is provided with a radial protrusion shaft shoulder among main valve plug, and the twice ditch for installing sealing ring is provided on the shaft shoulder
Slot, left end are provided with twice for installing the radial groove of sealing ring, and position radial dimension is equivalent size at left and right sides of the shaft shoulder.
Main valve plug one end sealing surface end is the tapered surface of protrusion, is provided with matched taper on main valve plug sealing ring pressing plate
Face groove is provided with sealing ring between main valve plug and main valve plug sealing ring pressing plate.
There is the main valve plug sealing ring pressing plate with screw thread or compression fit fixed installation on main valve plug；Main valve plug and main valve plug are close
Main valve plug sealing ring is installed between seal pressing plate.
Main valve plug, the seal assembly of main valve plug sealing ring pressing plate and main valve plug sealing ring composition and main valve plug baffle are formed
Band outer diameter be sized be less than main valve plug left end face outer diameter.
Main valve plug sealing ring pressing plate is mounted on main valve plug baffle, and outlet connection one end is sealed.
A pair of of annular pushes seat to be replaced by the shift fork that can be driven by eccentric shaft.
Technical effect of the invention is embodied in：
1, the power for being opened and closed and being sealed using hydraulic power as main valve realizes that super-flow control requires., while torque thick stick is set
Bar amplifies electromagnetic force, to adapt to the operating condition of super-pressure.
2, Electric Actuator as pilot operated valve device headstock gear have torsion is big, switch is reliable, can the protrusion such as emergency operation it is excellent
Point.
3, two-stage valve is direct dynamic structure, and contamination resistance is strong.Suitable for mixture conditions such as sewage treatment, sea water desalinations
Poor environment.
4, two-stage sealing valve port is all made of assembled soft sealing structure, is simple to manufacture, sealed reliable.And main valve plug sealing and
Control valve core sealing is the sealing of differential pressure hydraulic power, and pressure more high sealing effect is better, sealed reliable, and main spring manufactures and designs
Simply.
5, Electric Actuator can be in the case where failing, and directly mechanical valve opening improves the reliability of valve unlatching.
Detailed description of the invention
Attached drawing 1. is suitable for the water hydraulic hydraulic-controlled switch valve main view of especially big flow control.
Attached drawing 2. is suitable for the water hydraulic hydraulic-controlled switch valve internal structure cardinal principle figure of especially big flow control.
The water hydraulic hydraulic-controlled switch valve channel B flow direction that attached drawing 3. is suitable for especially big flow control analyses figure.
The water hydraulic hydraulic-controlled switch valve A channel flow direction that attached drawing 4. is suitable for especially big flow control analyses figure.
The partial enlarged view of 5. attached drawing 1 of attached drawing.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Attached drawing 1, attached drawing 2, attached drawing 3, attached drawing 4, it is attached it is shown in fig. 5 include that main valve body 1, main valve plug 2, spring 3, main valve plug are close
Seal pressing plate 4, main valve plug baffle 6, outlet connection 7, application valve body 8, control valve core right baffle-plate 9, control valve core 10, control valve core
Sealing ring left pressing plate 11, control valve core right shell body 12, control valve core sealing ring right pressing plate 13, deflection core 14 and Electric Actuator 16
Composition,
Runner a, runner 1b and water outlet 1c are provided on main valve body 1,
1 water outlet of main valve body is threaded with outlet connection 7, is provided with water inlet on outlet connection 7,
The intermediate position of main valve plug 2 is provided with a radial protrusion shaft shoulder 19, and 2 one end end face of main valve plug is sealing plane, on main valve plug 2
Both ends have at least one hole,
Main valve plug 2 is located in main valve body 1, and main valve plug sealing ring pressing plate 4 is located between 2 one end end face of main valve plug and outlet connection 7,
A chamber in spool is formed between the shaft shoulder 19 on main valve body 1, main valve plug 2 and main valve plug 2,
B chamber in spool is formed between the shaft shoulder 19, main valve body 1 on main valve plug 2 and main valve plug sealing ring pressing plate 4,
At least one hole of one end is connected to by in-core A chamber with runner 1a on main valve plug 2, at least the one of the other end on main valve plug 2
A hole is connected to by B chamber in spool with runner 1b,
It is intracavitary that spring 3 is located at B, and the both ends of spring 3 are against respectively on main valve body 1 and the shaft shoulder 19,
It is respectively arranged with D chamber and E chamber in control valve core right baffle-plate 9 and control valve core right shell body 12,
Annular spread has at least one hole communicated with D chamber and E chamber on control valve core baffle 9,12, on control valve core right baffle-plate 9
It is provided with the water outlet being connected to D chamber, the water inlet being connected to E chamber is provided in control valve core right shell body 12,
Control valve core right baffle-plate 9 and control valve core right shell body 12 are threaded in respectively in 8 both ends of application valve body, control valve core 10
Both ends are respectively arranged with control valve core sealing ring left pressing plate 11 and control valve core sealing ring right pressing plate 13, and are connected to respectively with D chamber
The water inlet that is connected to E chamber of water outlet match,
The second retaining ring of a pair 20 is distributed in mirror image on application valve body 8 and a pair of of annular pushes seat 21, and a pair of of annular pushes seat
21 are located between a pair of second retaining ring 20, and annular spread has one group of through-hole respectively on a pair of second retaining ring 20,
F chamber is formed between application valve body 8 and control valve core 10, and F chamber is according to control valve core sealing ring left pressing plate 11 and control valve
The position selection of core sealing ring right pressing plate 13 is connected to D chamber or E chamber,
Electric Actuator 16 is equipped with rotation axis, and the lower end surface of rotation axis is equipped with a deflection core 14, deflects the lower end of core 14
A pair of of annular is caught in across application valve body 8 to push in seat 21,
Application valve body 8 is mounted on main valve body 1, and A chamber is connected to by runner 1a with D chamber,
B chamber is connected to by runner 1b with F chamber, and E chamber is connected to by 1c with the water inlet on outlet connection 7.
Application valve body 8 be provided with the left end of main valve body 1 water stream channel 8a, the A chamber that is connected to by runner 1a, chamber 8a with
The middle part of the connection of D chamber, application valve body 8 and main valve body 1 is provided with water stream channel 8b, and B chamber passes through runner 1b, water stream channel 8b and F
Chamber connection, 8 right end of application valve body is provided with water stream channel 12c and water stream channel 8c, and water stream channel 12c and 8c connect, water
Circulation road 12C with E is intracavitary is connected to, pipelined channel 7c is provided on outlet connection 7, water stream channel 8c passes through water outlet 1c and flowing water
Channel 7c is connected.
The intermediate position of main valve plug 2 is provided with a radial protrusion shaft shoulder (19), and the shaft shoulder (is provided on 19 for installing sealing ring
Twice groove, left end is provided with twice for installing the radial groove of sealing ring, and position radial dimension is phase at left and right sides of the shaft shoulder
Equidimension.
2 one end sealing surface end of main valve plug is the tapered surface of protrusion, is provided with matched cone on main valve plug sealing ring pressing plate 4
Shape face groove is provided with sealing ring between main valve plug 2 and main valve plug sealing ring pressing plate 4.
There is the main valve plug sealing ring pressing plate 4 with screw thread or compression fit fixed installation on main valve plug 2；Main valve plug 2 and main valve
Main valve plug sealing ring 5 is installed between core sealing ring pressing plate 4.
6 institute of seal assembly and main valve plug baffle that main valve plug 2, main valve plug sealing ring pressing plate 4 and main valve plug sealing ring 5 form
The band outer diameter of formation is less than 2 left end face outer diameter of main valve plug to be sized.
Main valve plug sealing ring pressing plate 4 is mounted on main valve plug baffle 6, and 7 one end of outlet connection is sealed.
A pair of of annular pushes seat 21 to be replaced by that can pass through the shift fork that eccentric shaft 21 drives.
Present invention position as shown in Fig. 2, the control of control valve core 10, control valve core sealing ring pressing plate 13 and sealing ring composition
Seal spool component is in close contact control valve core right shell body 12 and forms sealing in the case where Electric Actuator 16 and deflection core 14 act on.
Valve port is opened on the left of control valve simultaneously, and A chamber be connected to B chamber, act on the sealed pressure on main valve plug 2 for main seal spool line with
The sum of upper hydraulic power and spring force, main valve forms reliable sealing at this time；When obtaining open signal, Electric Actuator 16 is driven partially
Core 14 acts, and in the case where deflecting 14 rotary action of core, control valve core moves to the left, closes valve port between A chamber D chamber, opens B chamber
Runner（1b）, F chamber, valve port between E chamber and C chamber, B chamber, F chamber, E chamber and C chamber be connected to as low pressure chamber, and A chamber acts on main valve at this time
Hydraulic power on the right side of 2 shaft shoulder of core to the left is much larger than the sum of the hydraulic power acted in 2 left side of main valve plug to the right and spring force, in difference
Hydraulic fluid power effect under, main valve plug 2 rapidly open, start super-flow overcurrent, main valve plug 2 in the case where inflow-rate of water turbine is certain,
Dynamic stability is in a certain position, at this point, there are pressure difference before and after main valve plug 2, A chamber, B chamber, D chamber, E chamber, F chamber power and spring
It is dynamic to stablize in a certain position under elastic force collective effect.Because main valve plug 2 is dynamic steady state, the front and back end point of main valve plug 2
Not She Zhi two seals with increasing friction force provide main valve plug stability；
When receiving shutdown signal, control valve core moves to the right, valve port between closing F chamber, E chamber, unlatching A chamber,（1a）,D
Chamber, F chamber and（1b）Runner returns to B chamber, and A chamber belongs to high pressure chest, spring-compressed at this time, and main valve plug 2 is moved to the left rapidly, quickly closes
It closes.
The present invention is as shown in Fig. 5, and main valve sealing and control valve sealing structure are assembled soft sealing structure.In main valve
It is provided with the pressing plate with screw thread or compression fit fixed installation on core 2 and control valve core 10, is equipped between pressing plate and spool close
Seal.Sealing ring can effectively be fixed on seal spool component internal, and impact resistance greatly reinforces, sealing can reality zero let out
Leakage, processing and manufacturing is simple, and craftsmanship is strong.
The above embodiments only describe the basic principles and characteristics of the invention, and the invention is not restricted by the above cases,
Without departing from the spirit and scope, the invention also has various changes and changes, and these changes and changes are both fallen within
In scope of the claimed invention.The scope of the present invention is defined by the appended claims and its equivalents.
Claims (8)
1. a kind of water hydraulic hydraulic-controlled switch valve suitable for especially big flow control, which is characterized in that including main valve body（1）, main valve
Core（2）, spring（3）, main valve plug sealing ring pressing plate（4）, main valve plug baffle（6）, outlet connection（7）, application valve body（8）, control
Spool right baffle-plate（9）, control valve core（10）, control valve core sealing ring left pressing plate（11）, control valve core right shell body（12）, control valve
Core sealing ring right pressing plate（13）, deflection core（14）And Electric Actuator（16）Composition,
Main valve body（1）On be provided with runner（a）, runner（1b）And water outlet（1c）,
Main valve body（1）Water outlet is threaded with outlet connection（7）, outlet connection（7）On be provided with water inlet,
Main valve plug（2）Intermediate position is provided with a radial protrusion shaft shoulder（19）, main valve plug（2）One end end face is sealing plane, main
Spool（2）Upper both ends have at least one hole,
Main valve plug（2）Positioned at main valve body（1）It is interior, main valve plug sealing ring pressing plate（4）Positioned at main valve plug（2）One end end face connects with outlet
Head（7）Between,
Main valve body（1）, main valve plug（2）With main valve plug（2）On the shaft shoulder（19）Between formed spool in A chamber,
Main valve plug（2）On the shaft shoulder（19）, main valve body（1）With main valve plug sealing ring pressing plate（4）Between formed spool in B chamber,
Main valve plug（2）At least one hole of upper one end passes through in-core A chamber and runner（1a）Connection, main valve plug（2）The upper other end
At least one hole passes through B chamber and runner in spool（1b）Connection,
Spring（3）It is intracavitary positioned at B, and spring（3）Both ends be against on main valve body 1 and the shaft shoulder 19 respectively,
Control valve core right baffle-plate（9）With control valve core right shell body（12）It is inside respectively arranged with D chamber and E chamber,
Control valve core baffle（9,12）Upper annular spread has at least one hole communicated with D chamber and E chamber, control valve core right baffle-plate
（9）On be provided with the water outlet being connected to D chamber, control valve core right shell body（12）On be provided with the water inlet being connected to E chamber,
Control valve core right baffle-plate（9）With control valve core right shell body（12）It is threaded in application valve body respectively（8）In both ends, control
Spool（10）Both ends are respectively arranged with control valve core sealing ring left pressing plate（11）With control valve core sealing ring right pressing plate（13）, and point
The water inlet for water outlet and E the chamber connection not being connected to D chamber matches,
Application valve body（8）It is upper that a pair of second retaining ring is distributed in mirror image（20）Seat is pushed with a pair of of annular（21）, and a pair of of annular
Push seat（21）Positioned at a pair of second retaining ring（20）Between, annular spread has one group of through-hole respectively on a pair of second retaining ring 20,
Application valve body（8）With control valve core（10）Between form F chamber, and F chamber is according to control valve core sealing ring left pressing plate（11）With
Control valve core sealing ring right pressing plate（13）Position selection be connected to D chamber or E chamber,
Electric Actuator（16）It is equipped with rotation axis, the lower end surface of rotation axis is equipped with a deflection core（14）, deflect core（14）
Lower end pass through application valve body（8）It is caught in a pair of of annular and pushes seat（21）It is interior,
Application valve body（8）It is mounted on main valve body（1）On, A chamber passes through runner（1a）It is connected to D chamber,
B chamber passes through runner（1b）It is connected to F chamber, E chamber passes through（1c）With outlet connection（7）On water inlet connection.
2. a kind of water hydraulic hydraulic-controlled switch valve suitable for especially big flow control according to claim 1, which is characterized in that
Application valve body（8）With main valve body（1）Left end be provided with the water stream channel of connection（8a）, A chamber passes through runner（1a）, chamber（8a）
It is connected to D chamber, application valve body（8）The middle part of main valve body 1 is provided with water stream channel（8b）, B chamber passes through runner（1b）, water flow it is logical
Road（8b）It is connected to F chamber, application valve body（8）Right end is provided with water stream channel（12c）And water stream channel（8c）, and water stream channel
（12c）With（8c）It connects, water stream channel（12C）With E is intracavitary is connected to, outlet connection（7）On be provided with pipelined channel（7c）, water
Circulation road（8c）Pass through water outlet（1c）With pipelined channel（7c）It is connected.
3. a kind of water hydraulic hydraulic-controlled switch valve suitable for especially big flow control according to claim 1, which is characterized in that
Main valve plug（2）Intermediate position is provided with a radial protrusion shaft shoulder (19), the shaft shoulder (19）On be provided with for installing sealing ring two
Road groove, left end are provided with twice for installing the radial groove of sealing ring, and position radial dimension is equal ruler at left and right sides of the shaft shoulder
It is very little.
4. a kind of water hydraulic hydraulic-controlled switch valve suitable for especially big flow control according to claim 1, which is characterized in that
Main valve plug（2）One end sealing surface end is the tapered surface of protrusion, main valve plug sealing ring pressing plate（4）On be provided with matched tapered surface
Groove, main valve plug（2）With main valve plug sealing ring pressing plate（4）Between be provided with sealing ring.
5. a kind of water hydraulic hydraulic-controlled switch valve suitable for especially big flow control according to claim 1, which is characterized in that
Main valve plug（2）On have with screw thread or compression fit fixed installation main valve plug sealing ring pressing plate（4）；Main valve plug（2）And main valve plug
Sealing ring pressing plate（4）Between main valve plug sealing ring is installed（5）.
6. a kind of water hydraulic hydraulic-controlled switch valve suitable for especially big flow control according to claim 1, which is characterized in that
Main valve plug（2）, main valve plug sealing ring pressing plate（4）With main valve plug sealing ring（5）The seal assembly and main valve plug baffle of composition（6）Institute
The band outer diameter of formation is less than main valve plug to be sized（2）Left end face outer diameter.
7. a kind of water hydraulic hydraulic-controlled switch valve suitable for especially big flow control according to claim 1, which is characterized in that
Main valve plug sealing ring pressing plate（4）It is mounted on main valve plug baffle（6）On, and by outlet connection（7）One end sealing.
8. a kind of water hydraulic hydraulic-controlled switch valve suitable for especially big flow control according to claim 1, which is characterized in that
A pair of of annular pushes seat（21）By eccentric shaft can be passed through（21）The shift fork of drive replaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810782901.9A CN108916400A (en) | 2018-07-17 | 2018-07-17 | A kind of water hydraulic hydraulic-controlled switch valve suitable for especially big flow control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810782901.9A CN108916400A (en) | 2018-07-17 | 2018-07-17 | A kind of water hydraulic hydraulic-controlled switch valve suitable for especially big flow control |
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| Publication Number | Publication Date |
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| CN108916400A true CN108916400A (en) | 2018-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810782901.9A Pending CN108916400A (en) | 2018-07-17 | 2018-07-17 | A kind of water hydraulic hydraulic-controlled switch valve suitable for especially big flow control |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163854A (en) * | 2022-07-13 | 2022-10-11 | 长沙市奇俊机电科技有限公司 | Large-traffic gate valve subassembly |
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| CN1424513A (en) * | 2002-12-26 | 2003-06-18 | 皮钧 | Guided servo direction control valve |
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| DE202006005693U1 (en) * | 2006-04-07 | 2006-06-08 | Bosch Rexroth Pneumatics Gmbh | Valve unit for pneumatic system has U-shaped strip spring in intended end seat between pilot or pre-control valve and housing cap of main valve |
| CN201827439U (en) * | 2010-09-19 | 2011-05-11 | 卓旦春 | Electric three-way valve |
| CN202176769U (en) * | 2011-08-13 | 2012-03-28 | 苏州敏喆机械有限公司 | A high pressure liquid check valve |
| CN103047444A (en) * | 2012-12-05 | 2013-04-17 | 昆明理工大学 | Water-base hydraulic electrostriction high speed switch valve |
| CN103071268A (en) * | 2011-10-26 | 2013-05-01 | 上海磊诺工业气体有限公司 | High-pressure sprinkler water control valve |
| CN105626936A (en) * | 2016-02-24 | 2016-06-01 | 湖北仁创科技有限公司 | Ultra-high-pressure anti-pollution type water hydraulic electro-hydraulic switch valve |
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| US5564673A (en) * | 1993-09-06 | 1996-10-15 | Hydrotechnik Frutigen Ag | Pilot-operated hydraulic valve |
| CN1424513A (en) * | 2002-12-26 | 2003-06-18 | 皮钧 | Guided servo direction control valve |
| CN2761936Y (en) * | 2005-01-24 | 2006-03-01 | 浙江大学 | Electrical controlled one-way valve |
| DE202006005693U1 (en) * | 2006-04-07 | 2006-06-08 | Bosch Rexroth Pneumatics Gmbh | Valve unit for pneumatic system has U-shaped strip spring in intended end seat between pilot or pre-control valve and housing cap of main valve |
| CN201827439U (en) * | 2010-09-19 | 2011-05-11 | 卓旦春 | Electric three-way valve |
| CN202176769U (en) * | 2011-08-13 | 2012-03-28 | 苏州敏喆机械有限公司 | A high pressure liquid check valve |
| CN103071268A (en) * | 2011-10-26 | 2013-05-01 | 上海磊诺工业气体有限公司 | High-pressure sprinkler water control valve |
| CN103047444A (en) * | 2012-12-05 | 2013-04-17 | 昆明理工大学 | Water-base hydraulic electrostriction high speed switch valve |
| CN105626936A (en) * | 2016-02-24 | 2016-06-01 | 湖北仁创科技有限公司 | Ultra-high-pressure anti-pollution type water hydraulic electro-hydraulic switch valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163854A (en) * | 2022-07-13 | 2022-10-11 | 长沙市奇俊机电科技有限公司 | Large-traffic gate valve subassembly |
| CN115163854B (en) * | 2022-07-13 | 2023-04-11 | 长沙市奇俊机电科技有限公司 | Large-traffic gate valve subassembly |
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Application publication date: 20181130 |