CN108626412A - From boost charge-air sealed butterfly valve - Google Patents
From boost charge-air sealed butterfly valve Download PDFInfo
- Publication number
- CN108626412A CN108626412A CN201810771939.6A CN201810771939A CN108626412A CN 108626412 A CN108626412 A CN 108626412A CN 201810771939 A CN201810771939 A CN 201810771939A CN 108626412 A CN108626412 A CN 108626412A
- Authority
- CN
- China
- Prior art keywords
- valve
- pressurising
- valve body
- charged piston
- supercharging cylinder
- 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
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- 229920001971 elastomer Polymers 0.000 claims abstract description 54
- 239000005060 rubber Substances 0.000 claims abstract description 54
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 206010008469 Chest discomfort Diseases 0.000 claims abstract description 19
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract 2
- 238000007789 sealing Methods 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000008961 swelling Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- 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
- F16K1/16—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 with pivoted closure-members
- F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
- F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/228—Movable sealing bodies
- F16K1/2285—Movable sealing bodies the movement being caused by the flowing medium
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Lift Valve (AREA)
Abstract
From boost charge-air sealed butterfly valve,Including a valve body valve plate,Sealed pressing sleeve is set on valve body,Hollow Ω type pressurising rubber rings are set on sealed pressing sleeve,Bar shaped pressurising holder and through-hole are set in Ω type pressurising rubber rings,Pressurising internal channel is set in valve body wall,Pressurising internal channel communicates one seal cavity of composition in Ω type pressurising rubber rings with through-hole,Supercharging cylinder body and supercharging cylinder caps are set centered on valve shaft on valve body,Air inlet is set in supercharging cylinder caps,Charged piston is set in supercharging cylinder body,Charged piston upper surface area S1 is more than lower face area S2,Low pressure chamber is constituted between charged piston and supercharging cylinder caps,High pressure chest is constituted between charged piston and valve body,Hydraulic oil is injected in high pressure chest,High pressure chest is connected to pressurising internal channel,Spring base is set on the valve shaft of high pressure chest side,Resetting spring is set on spring base,Resetting spring is in contact with charged piston.
Description
Technical field
The present invention relates to sealed butterfly valves to belong to valve field more particularly to one kind from boost charge-air sealed butterfly valve.
Background technology
Butterfly valve is compact-sized with its, volume light and small, simple operation, function admirable the features such as and extensively using giving all trades and professions
Liquid, gas and gas powder shut off or adjust flow and be used with making to open and close in defeated pipeline control system.In recent years, inflatable butterfly valve obtained
It is expanded after allowing rubber seal to inflate, more to extensive use by being directly filled with air pressure into the air cavity of hollow rubber sealing ring
It mends abrasion and seals auxiliary air gap or wrap field trash, act between sealing pair and sealing can be realized in seal pressure, sealing is special
Property it is ideal and very reliable.And pressurising that only need to be into the rubber seal of charging valve is than the pressure medium of pipeline
Valve seal can be realized in high 0.1MP ~ 0.3MPa；But actual conditions are because the limitation of compressed air Preparation equipment and safety are anti-
Quick-fried factor, existing industrial gas sources normal pressures are respectively less than 1.0MPa, and various gas circuit control electromagnetic valve work pressure are respectively less than
1.0MPa, this also means that the available highest the blowing pressure grade of charging valve can only achieve 1.0MPa, the sealing energy of valve
Power with regard to 0.8MPa, can not also be run on the pipeline of higher pressure grade, though mobile high-voltage air source can be passed through（Gas cylinder,
High pressure tank etc.）It is inflated operation, but can only also be confined to on-site manual charging valve, it can not remote operation；Therefore this
The high performance charging valve of class because the blowing pressure condition limitation, in highly developed modern industry automation control pipeline,
Also all-round popularization and extensive use on a large scale can not be just able to.
Invention content
The purpose of the invention is to overcome prior art, a kind of low flow resistance, easily manufacture are provided, in opening for valve
Non-contact type revolution fretting wear between sealing auxiliary structure during closing, and being pressurized certainly for Automatic-boosting can be realized in inflation
Gas-flow closure butterfly valve.
The technical solution of the present invention from boost charge-air sealed butterfly valve is：Including a valve body, valve shaft, valve shaft are set in valve body
Valve plate is connected by pin, it is characterised in that sealed pressing sleeve is set in the valve body in side port, is arranged on sealed pressing sleeve hollow
Ω type pressurising rubber rings, bar shaped pressurising holder is set in Ω type pressurising rubber rings, through-hole is formed in bar shaped pressurising holder, it is described
Valve body wall in be arranged pressurising internal channel, pressurising internal channel communicated with through-hole in Ω type pressurising rubber rings constitutes a seal chamber
Body, from booster body, described from booster body includes that pressurized cylinder is arranged on valve body centered on valve shaft for setting on valve body
Body is arranged supercharging cylinder caps in supercharging cylinder body, air inlet is arranged in supercharging cylinder caps, and charged piston is arranged in supercharging cylinder body, and supercharging is lived
Face area S1 is more than lower face area S2 beyond the Great Wall, and low pressure chamber, charged piston and valve are constituted between charged piston and supercharging cylinder caps
High pressure chest is constituted between body, hydraulic oil is injected in high pressure chest, and high pressure chest is connected to pressurising internal channel, on the valve shaft of high pressure chest side
Spring base is set, resetting spring is set on spring base, resetting spring is in contact with charged piston, after seal cavity pressurising, Ω types
Pressurising rubber ring is stretched by compression swelling, in sealing contact with valve plate, after release, has gap between Ω type pressurising rubber rings and valve plate
M。
The invention discloses one kind from boost charge-air sealed butterfly valve, and the Ω type pressurising rubber rings are high strength elastic rubbers
Glue is made, and after highly pressurised liquid is filled in seal cavity, Ω type pressurising rubber rings expand after being pressurized, the valve plate into body cavity
Stretching, extension is in close contact after eliminating gap of the valve plate with Ω type pressurising rubber rings and with valve plate, the gas pressure power of inflation is passed
It is handed to valve plate, and forms seal pressure, reaches the sealing effect of isolation valve plate upstream and downstream；When unloading gas, seal cavity release, when close
When pressure in envelope cavity is close with atmospheric pressure, Ω type pressurising rubber rings shrink elastic recovery for free state, and disengagement and valve
Gap is re-formed with valve plate after the contact of plate, at this point, valve plate is opened and closed with revolution of the valve body axis hole center line in body cavity
It is the revolution of zero contact, i.e., has gap between valve plate and valve body in turning course, you can opens valve plate.Especially in valve body
Upper to be provided with from booster body, pressure air enters low pressure chamber, acts on charged piston upper surface, overcomes the resistance of resetting spring
（Resistance very little）, push charged piston downlink, when theoretically ignoring the mobile friction of spring resistance and piston, there are P1S1=
The hydraulic fluid pressure of P2S2, i.e. high pressure chest at this time is the area of low pressure chamber air pressure than again, this hydraulic oil is direct through pressurising internal channel
It is transferred to seal cavity, Ω type pressurising rubber rings expand after being pressurized, and valve plate and Ω are being eliminated in the valve plate stretching, extension into body cavity
It is in close contact behind the gap of type pressurising rubber ring and with valve plate, the liquid force of pressurising is transferred to valve plate, and form sealing
Than pressure, reach the sealing effect of isolation valve plate upstream and downstream；After air inlet release at the top of supercharging cylinder caps, resetting spring, which pushes, to be increased
Pressure piston moves up, and low pressure chamber is discharged in pressed gas, and lower part high pressure chest pressure recovery is normal, and Ω type pressurising rubber rings shrink elasticity and return
It is free state again, and gap is re-formed with valve plate after contact of the disengagement with valve plate, at this point, valve plate valve shaft center line is in valve body
Revolution keying in inner cavity is the revolution of zero contact, i.e., has gap between valve plate and valve seat in turning course, avoid contact with
Effect of attrition sealing performance.Between cylinder body and cylinder cap, cylinder body and piston, cylinder cap and valve shaft, piston and valve shaft, valve seat and valve body
It is equipped with sealing ring, ensures the leakproofness of butterfly valve.
Its advantage has：1, high strength elastic Ω types pressurising rubber ring has extremely strong elastic resilience, and flexible deformation is more
Uniformly, it is more reliable to shrink reply；2, Ω type pressurising rubber rings are made to generate flexible deformation by inflating, to reach and valve plate
Contact sealing, can realize the compensation of sealing wear, extend the service life of valve in a certain range；3, it is returned in the keying of valve
During turning, valve plate and valve body are zero contact Rotating, realize being operated without abrasion revolution and low torque for valve.4, due to valve
Door is built-in from pressurized construction, even if can be by the way that from after being pressurized, sealing cavity pressure is up to 6 if the low-pressure industrial compressed gas source of routine
Air source air pressure again, in terms of pressure limit 0.5MP ~ 0.8MPa of industrial compressed gas source, when pressurized cylinder upper and lower side area ratio is 5 times
When, the sealability of valve is up to 2.5MP ~ 4.0MPa, and by suitably matching from supercharging multiplying power, this charging valve also can be light
All kinds of pressure ducts are adapted to, and are worked reliably and with long-term, the control medium of valve is conventional low voltage compressed air, therefore valve can
It realizes various automatic control functions, and includes subsequent functions expanding.
The present invention from boost charge-air sealed butterfly valve, the supercharging cylinder body and valve body integral casting forming are relatively applicable in
In the charging valve of medium and small bore specification.The supercharging cylinder body is molded with valve body split casting, is connected and fixed, is compared by screw
Charging valve suitable for Large diameter specification.Area ratio existing for the upper/lower terminal face of the charged piston is 1-6 times, tool
Body multiplying power and the mating setting of pipeline pressure medium grade.It is equipped with liquid filling hole in the pressurized cylinder body wall, is just protected with maintenance in the future
It supports.Bracing ring is set between the Ω type pressurising rubber rings and bar shaped pressurising holder, it can be achieved that Ω type pressurising rubber rings
Floating support prevents and reduces or remits the excessive deformation of Ω type pressurising rubber rings, and can effectively reduce inflation air consumption.The valve body
The annular caulking groove of upper setting, Ω type pressurising rubber rings are embedded in sealed pressing sleeve cooperation in annular caulking groove, and installation is firm.Described is close
It is in T to seal pressing sleeve section, is fixed by screws in the interior side port of valve body, easy for installation.Between the sealed pressing sleeve and valve body
Pressing sleeve sealing ring is set, and sealing is more reliable.
Description of the drawings
Fig. 1 is of the invention from boost charge-air sealed butterfly valve monoblock type supercharging cylinder body structural schematic diagram；
Fig. 2 is of the invention from the split type supercharging cylinder body structural schematic diagram of boost charge-air sealed butterfly valve；
Fig. 3 is the charged piston depressed state schematic diagram of the present invention；
Fig. 4 is the Ω type pressurising rubber ring pressurising status diagrams of the present invention；
Fig. 5 is the Ω type pressurising rubber ring depressurization phase schematic diagrames of the present invention.
Specific implementation mode
The present invention relates to one kind from boost charge-air sealed butterfly valve, as described in Fig. 1-Fig. 5, including a valve body 1, in valve body
Valve shaft 2 is set, and valve shaft connects valve plate 5 by pin 3, is arranged sealed pressing sleeve 6 in the valve body 1 in side port, on sealed pressing sleeve 6
Hollow Ω type pressurisings rubber ring 7 is set, bar shaped pressurising holder 8 is set in Ω type pressurisings rubber ring 7, is made in bar shaped pressurising holder
There is through-hole 9, pressurising internal channel 10 is set in 1 wall of valve body, pressurising internal channel 10 is communicated with through-hole 9 in Ω type pressurising rubber
A seal cavity 4 is constituted in circle 7, on valve body 1 setting from booster body, it is described from booster body include in being with valve shaft 2
Supercharging cylinder body 20 is arranged in the heart on valve body, and supercharging cylinder caps 21 are arranged in supercharging cylinder body, air inlet 23 is arranged in supercharging cylinder caps, increases
Charged piston 22 is set in cylinder pressure body, and charged piston upper surface area S1 is more than lower face area S2, charged piston 22 and supercharging
Low pressure chamber 25 is constituted between cylinder cap 21, and high pressure chest 24 is constituted between charged piston 22 and valve body 1, injects hydraulic pressure in high pressure chest 24
Oil, high pressure chest 24 are connected to pressurising internal channel 10, and spring base 26 is arranged on the valve shaft 2 of high pressure chest side, and setting is multiple on spring base
Position spring 27, resetting spring 27 is in contact with charged piston 22, and after 4 pressurising of seal cavity, Ω type pressurising rubber rings 7 are by compression swelling
Stretching, extension, it is in sealing contact with valve plate 5, after release, there is gap M between Ω type pressurisings rubber ring 7 and valve plate 5.Described in this programme
Ω type pressurisings rubber ring 7 is made of high strength elastic rubber, after highly pressurised liquid is filled in seal cavity 4, Ω type pressurising rubber
Circle 7 expands after being pressurized, and the valve plate 5 into 1 inner cavity of valve body stretches, after eliminating gap of the valve plate 1 with Ω type pressurisings rubber ring 7 simultaneously
It is in close contact with valve plate 1, the gas pressure power of inflation is transferred to valve plate, and form seal pressure, reach isolation valve plate or more
The sealing effect of trip；When unloading gas, seal cavity unloads gas, when the air pressure in seal cavity is close with atmospheric pressure, Ω type pressurising rubbers
It is free state that cushion rubber 7, which shrinks elastic recovery, and disengages and re-form gap with valve plate with after the contact of valve plate 5, at this point, valve plate
It is the revolution of zero contact, i.e., valve plate 5 and valve in turning course with revolution keying of the valve body axis hole center line in body cavity
There is gap between body 1, you can open valve plate.It is provided with from booster body especially on valve body 1, pressure air enters low pressure
Chamber 25 acts on charged piston upper surface, overcomes the resistance of resetting spring 27（Resistance very little）, push charged piston downlink, reason
When by the mobile friction of upper ignorance spring resistance and piston, there are P1S1=P2S2, the i.e. hydraulic fluid pressure of high pressure chest 24 at this time
For the area ratio times of low pressure chamber air pressure, this hydraulic oil is transferred directly to seal cavity 4, Ω type pressurising rubber through pressurising internal channel 10
Circle 7 expands after being pressurized, and the valve plate 5 into 1 inner cavity of valve body stretches, after eliminating gap of the valve plate 5 with Ω type pressurisings rubber ring 7 simultaneously
It is in close contact with valve plate 5, the liquid force of pressurising is transferred to valve plate, and form seal pressure, reach isolation valve plate or more
The sealing effect of trip；After air inlet release at the top of supercharging cylinder caps, resetting spring 27 pushes charged piston 22 to move up, pressure gas
Low pressure chamber is discharged in body, and lower part high pressure chest pressure recovery is normal, and it is free state that Ω type pressurisings rubber ring 7, which shrinks elastic recovery, and
It disengages and re-forms gap with valve plate with after the contact of valve plate 5, at this point, revolution of the 5 valve shaft center line of valve plate in body cavity
Keying is the revolution of zero contact, i.e., has gap between valve plate 1 and valve seat 5 in turning course, it is close to avoid contact with effect of attrition
Sealing property.Sealing is equipped between cylinder body and cylinder cap, cylinder body and piston, cylinder cap and valve shaft, piston and valve shaft, valve seat and valve body
Circle, ensures the leakproofness of butterfly valve.Its advantage has：1, high strength elastic Ω types pressurising rubber ring has extremely strong elastic recovery energy
Power, flexible deformation evenly, shrink reply it is more reliable；2, Ω type pressurising rubber rings are made to generate flexible deformation by inflating, from
And reach the contact sealing with valve plate, the compensation of sealing wear can be realized in a certain range, extend the service life of valve；3、
In the keying turning course of valve, valve plate and valve body are zero contact Rotating, realize valve without abrasion revolution and low torsion
Square operates.4, due to being sealed from pressurized construction even if after can be by being pressurized certainly if the industrial compressed gas source of routine built in valve
Cavity pressure is up to 6 times of air source air pressure, in terms of pressure limit 0.5MP ~ 0.8MPa of industrial compressed gas source, when pressurized cylinder upper and lower side
When area ratio is 5 times, the sealability of valve is up to 2.5MP ~ 4.0MPa, by suitably matching from supercharging multiplying power, this inflation
Valve also can easily be adapted to all kinds of pressure ducts, and work reliably and with long-term, and the control medium of valve is conventional compressed air, because
This valve can realize various automatic control functions, and include subsequent functions expanding.The supercharging cylinder body 20 is whole with valve body 1
Casting and forming is relatively specific for the charging valve of medium and small bore specification.The supercharging cylinder body 20 and 1 split casting of valve body at
Type is connected and fixed by screw 29, is relatively specific for the charging valve of Large diameter specification.Upper and lower the two of the charged piston 22
Area ratio existing for end face be 1-5 times, specifically with the mating setting of pipeline pressure medium grade.In 20 wall of supercharging cylinder body
Equipped with liquid filling hole 28, just with maintaining in the future.Branch is set between the Ω type pressurisings rubber ring 7 and bar shaped pressurising holder 8
Support ring 12 prevents and reduces or remits the excessive deformation of Ω type pressurising rubber rings, it can be achieved that floating support to Ω type pressurising rubber rings, and
Inflation air consumption can effectively be reduced.Annular caulking groove 17 is set on the valve body 1, and Ω type pressurisings rubber ring 7 is matched with sealed pressing sleeve 6
Conjunction is embedded in annular caulking groove 17, and installation is firm.6 section of sealed pressing sleeve is in T, and valve body 1 is fixed on by screw 15
It is easy for installation in interior side port.Pressing sleeve sealing ring 16 is set between the sealed pressing sleeve 6 and valve body 1, and sealing is more reliable.
Claims (9)
1. from boost charge-air sealed butterfly valve, including a valve body（1）, valve shaft is set in valve body（2）, valve shaft passes through pin（3）Even
Connect valve plate（5）, it is characterised in that the valve body（1）Sealed pressing sleeve is set in interior side port（6）, sealed pressing sleeve（6）In upper setting
Empty Ω type pressurising rubber rings（7）, Ω type pressurising rubber rings（7）Middle setting bar shaped pressurising holder（8）, make in bar shaped pressurising holder
There is through-hole（9）, the valve body（1）Pressurising internal channel is set in wall（10）, pressurising internal channel（10）With through-hole（9）It communicates in Ω
Type pressurising rubber ring（7）One seal cavity of middle composition（4）, valve body（1）It is upper to be arranged from booster body, it is described from booster body
Including with valve shaft（2）Centered on supercharging cylinder body is set on valve body（20）, supercharging cylinder caps are set in supercharging cylinder body（21）, supercharging
Air inlet is set on cylinder cap（23）, charged piston is set in supercharging cylinder body（22）, charged piston upper surface area S1 is more than lower end
Face area S2, charged piston（22）With supercharging cylinder caps（21）Between constitute low pressure chamber（25）, charged piston（22）With valve body（1）It
Between constitute high pressure chest（24）, high pressure chest（24）Middle injection hydraulic oil, high pressure chest（24）With pressurising internal channel（10）Connection, in high pressure
The valve shaft of chamber side（2）Upper setting spring base（26）, resetting spring is set on spring base（27）, resetting spring（27）With charged piston
（22）It is in contact, seal cavity（4）After pressurising, Ω type pressurising rubber rings（7）It is stretched by compression swelling, with valve plate（5）It is in sealing contact,
After release, Ω type pressurising rubber rings（7）With valve plate（5）Between have gap M.
2. as described in claim 1 from boost charge-air sealed butterfly valve, it is characterised in that the supercharging cylinder body（20）With valve body
（1）Integral casting forming.
3. as described in claim 1 from boost charge-air sealed butterfly valve, it is characterised in that the supercharging cylinder body（20）With valve body
（1）Split casting is molded, by screw（29）It is connected and fixed.
4. as described in claim 1 from boost charge-air sealed butterfly valve, it is characterised in that the charged piston（22）Upper and lower two
Area ratio existing for end face is 1-5 times.
5. as described in claim 1 from boost charge-air sealed butterfly valve, it is characterised in that the supercharging cylinder body（20）It is set in wall
There is liquid filling hole（28）.
6. as described in claim 1 from boost charge-air sealed butterfly valve, it is characterised in that the Ω type pressurising rubber rings（7）With
Bar shaped pressurising holder（8）Between bracing ring is set（12）.
7. as described in claim 1 from boost charge-air sealed butterfly valve, it is characterised in that the valve body（1）Upper setting annular is embedding
Slot（17）, Ω type pressurising rubber rings（7）With sealed pressing sleeve（6）Cooperation is embedded in annular caulking groove（17）In.
8. as described in claim 1 from boost charge-air sealed butterfly valve, it is characterised in that the sealed pressing sleeve（6）Section is in T,
Pass through screw（15）It is fixed on valve body（1）Interior side port on.
9. as described in claim 1 from boost charge-air sealed butterfly valve, it is characterised in that the sealed pressing sleeve（6）With valve body
（1）Between be arranged pressing sleeve sealing ring（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771939.6A CN108626412A (en) | 2018-07-13 | 2018-07-13 | From boost charge-air sealed butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771939.6A CN108626412A (en) | 2018-07-13 | 2018-07-13 | From boost charge-air sealed butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108626412A true CN108626412A (en) | 2018-10-09 |
Family
ID=63689006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810771939.6A Pending CN108626412A (en) | 2018-07-13 | 2018-07-13 | From boost charge-air sealed butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108626412A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681645A (en) * | 2019-01-30 | 2019-04-26 | 黄雪文 | A kind of butterfly valve |
| CN110906013A (en) * | 2019-11-20 | 2020-03-24 | 章锡明 | Compensation type sealing butterfly valve with sequential linkage opening and closing charging and pressure relief functions |
| CN111043331A (en) * | 2019-12-17 | 2020-04-21 | 孔仕华 | Prevent integration valve of leakage |
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| CN208900736U (en) * | 2018-07-13 | 2019-05-24 | 章锡明 | From boost charge-air sealed butterfly valve |
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2018
- 2018-07-13 CN CN201810771939.6A patent/CN108626412A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19542568A1 (en) * | 1995-11-15 | 1997-05-22 | Warex Valve Gmbh | Butterfly valve used where abrasive solids are passed |
| JP2005155537A (en) * | 2003-11-27 | 2005-06-16 | Toyota Motor Corp | Boosting type fuel injection device |
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| CN201284833Y (en) * | 2008-10-31 | 2009-08-05 | 江苏神通阀门股份有限公司 | Dome valve |
| CN201347909Y (en) * | 2008-12-23 | 2009-11-18 | 大连海事大学 | Gas-saving type gas supercharger by reutilizing driving gas |
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