CN109058564A - A kind of Pneumatic butterfly valve - Google Patents
A kind of Pneumatic butterfly valve Download PDFInfo
- Publication number
- CN109058564A CN109058564A CN201811048960.XA CN201811048960A CN109058564A CN 109058564 A CN109058564 A CN 109058564A CN 201811048960 A CN201811048960 A CN 201811048960A CN 109058564 A CN109058564 A CN 109058564A
- Authority
- CN
- China
- Prior art keywords
- valve
- output shaft
- gear
- gear output
- valve body
- 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
Links
- 238000007789 sealing Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 8
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- -1 aluminium Gold Chemical compound 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1225—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston with a plurality of pistons
-
- 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
- F16K1/221—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 specially adapted operating means therefor
-
- 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
- F16K1/2268—Sealing means for the axis of rotation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The present invention provides a kind of Pneumatic butterfly valves, including valve body, valve rod is arranged in valve body, valve rod upper end is exposed to outside valve body, valve is equipped in the middle part of valve rod, it is characterized in that, valve rod upper end is located in bracket, valve body is connected and fixed with bracket with cylinder body, valve body upper end is connected with the link block being located in bracket, gear output shaft is equipped in cylinder body, gear output shaft is connected with link block, two rack pistons are symmetrically set in gear output shaft two sides, gear on gear output shaft is meshed with the rack gear of two rack pistons, two rack pistons carry out linear reciprocation by bleed pressure and move back and forth, rack piston drives gear output shaft to rotate during the motion.The present invention uses air for power source, controls butterfly valve automatic open close, reduces error.And air have many advantages, such as to take conveniently, it is pollution-free, be suitably applied in explosion-proof, anti-flaming field, have wide application prospects in manufacture, service field.
Description
Technical field
The present invention relates to a kind of Pneumatic butterfly valves, are a kind of industrial valve class actuators, belong to industrial valve technical field.
Background technique
Traditional butterfly valve is made of valve seal component, valve body, opening and closing control unit, and type hand device, valve are belonged to
Seal member achievees the purpose that open fluid and block fluid flowing by opening and closing control unit movement.Starting controller setting
Valve opening size gear, to adjust valve opening size, since step error is very big, valve is not closed completely, and fluid is caused to seep
Leakage, waste of energy, quality not can guarantee, and seriously affect energy conservation and environmental protection.
Summary of the invention
The object of the present invention is to provide the butterfly valves of a kind of pressure resistance and good seal performance.
In order to achieve the above object, the technical solution of the present invention is to provide a kind of Pneumatic butterfly valve, including valve body, valve rod is worn
In valve body, valve rod upper end is exposed to outside valve body, and valve is equipped in the middle part of valve rod, which is characterized in that and valve rod upper end is located in bracket,
Valve body is connected and fixed with bracket with cylinder body, and valve rod upper end is connected with the link block being located in bracket, and it is defeated that gear is equipped in cylinder body
Shaft, gear output shaft are connected with link block, and two rack pistons are symmetrically set in gear output shaft two sides, on gear output shaft
Gear be meshed with the rack gear of two rack pistons, two rack pistons carry out linear reciprocation by bleed pressure and move back and forth,
Rack piston drives gear output shaft to rotate during the motion.
Preferably, the valve is mounted on the valve rod by positioning Xiao.
Preferably, sealing ring is equipped between the valve rod and the valve body.
Preferably, sealing ring is equipped between the valve and the valve body.
Preferably, the lower rotational axis of the gear output shaft is connected with the link block, the gear output shaft
Top rotation axis is connected with the indicator being set to outside the cylinder body, and on the top of the gear output shaft, rotation outer shaft sleeve is equipped with
Adjusting block, the top rotation axis clearance fit of adjusting block and the gear output shaft, in being respectively arranged on the left side and the right side for adjusting block
One adjusts screw, and the screw head for adjusting screw is located at outside the cylinder body, adjust after the screw rod screw-in cylinder body of screw with the tune
The side of locking nub offsets, between being adjusted between the adjusting block and the top rotation axis of the gear output shaft by adjusting screw
Gap.
The present invention uses air for power source, controls butterfly valve automatic open close, reduces error.And air have take conveniently,
The advantages that pollution-free, is suitably applied in explosion-proof, anti-flaming field, has wide application prospects in manufacture, service field.
Detailed description of the invention
Fig. 1 is main view (broken section) of the invention;
Fig. 2 is side sectional view of the invention.
Specific embodiment
In order to make the present invention more obvious and understandable, hereby with preferred embodiment, and attached drawing is cooperated to be described in detail below.
The present invention is mainly made of components such as changeover valve seal member, valve part, cylinder driving executing agencies.Rotation
Valve is rotarily opened and is closed, reach the flowing for opening fluid and block fluid by the driving of cylinder driving executing agency.
In conjunction with Fig. 1 and Fig. 2, the present invention is mainly by valve body 1, sealing ring 2, valve 3, valve rod 9, bracket 7, cylinder actuating mechanism
Deng composition.Cylinder actuating mechanism is mainly by cylinder body 10, end cap 11, rack piston 13, gear output shaft 12, indicator 15, adjusting
Screw 16, piston seal 17 etc. are constituted.
Valve 3 is mounted on valve rod 9 by positioning pin 4, and the both ends of valve rod 9 are placed in the positioning shaft hole of valve body 1.Valve rod
It is equipped with sealing ring 5 between 9 and valve body 1, sealing ring 2 is equipped between valve 3 and valve body 1.9 upper end of valve rod is located at bracket 7, and with connection
Block 8 is connected.Valve rod 9 is connected by link block 8 with gear output shaft 12.The cylinder body 10 of cylinder actuator is mounted on branch by screw
On frame 7, end cap 11 is mounted on the both ends of cylinder body 10.Two rack pistons 13 are symmetrically mounted in cylinder body 10, gear output shaft 12
Both ends be mounted on the upper and lower positioning hole of cylinder body 10.The rack gear of the wheel and rack piston 13 of gear output shaft 12 precisely connects
Touching.It adjusts screw 16 to be mounted on cylinder body 10, indicator 15 is mounted on the top of cylinder body 10.
The top rotation axis of gear output shaft 12 is connected with the indicator 15 outside cylinder body 10, in the upper of gear output shaft 12
Portion rotates outer shaft sleeve and is equipped with adjusting block 14, the top rotation axis clearance fit of adjusting block 14 and gear output shaft 12, in adjusting block
14 are respectively arranged on the left side and the right side an adjusting screw 16, and the screw head for adjusting screw 16 is located at outside cylinder body 10, the spiral shell of adjusting screw 16
It offsets after bar screw-in cylinder body 10 with the side of adjusting block 14, passes through and adjust the adjusting adjusting block 14 of screw 16 and gear output shaft 12
Gap between the rotation axis of top.
The present invention shares 23 parts and 35 standard component compositions.Valve 3, valve rod 9 are made of high-quality stainless steel, sealing
Ring 2 is integrally suppressed using top-quality rubber.Valve body 1 uses monoblock cast, and cylinder body 10 is made of aluminium alloy, and rack piston 13 is closed with aluminium
Gold is made, and gear output shaft 12 is made from high grade steel.The inside and outside of the cylinder body 10 that aluminium alloy is pressed into all uses anti-corrosion
Measure, cylinder surfaces have passed through fine grinding processing, so that coefficient of friction is lower, the service life is longer for product.On rack piston 13
There is guide ring, it can be ensured that operate accurate, low friction and long-life, and output axle fracture can be effectively prevent.Adjusting screw 16 can essence
The adjusting that ± 4 ° quasi-ly are carried out in both direction, so that actuator be made to be consistent in standard-sized sheet and fully closed position with valve.
Multi-functional position indicator 15 had both provided simple clearly visualization instruction, and can easily connect standard universal
Various kinds of sensors.
Rack piston 13 of the invention is back and forth moved back and forth by bleed pressure, so that gear output shaft 12 be driven to carry out
Rotary motion, and then rotated by valve rod 9 with movable valve 3, carry out the conveying movement of open and close fluid.
The present invention is using high-precision machining center, numerically-controlled machine tool equipment, high-precision import roller press and die casting machine etc.
Device fabrication substantially increases the machining accuracy and service performance of components.Cylinder body 10 is suppressed using aluminium alloy, cylinder surfaces
Fine grinding processing, it is inside and outside all to use preservative treatment.Valve rod 9 is last all through roll forming.Valve body 1 uses monoblock cast, valve
Door 3 is cast using high-quality precision stainless steel.Primary sealing member sealing ring 2 is integrally suppressed using top-quality rubber.The axis of high quality
It holds, coefficient of friction is low, long service life.
The present invention can be mounted on automatic assembly line extensively, all to relate in the pipe-line system of the professional equipments such as foamed machinery
And gas, water, fluid conveying can be used.Pipe flange is connected on valve body 1, control gas source is connected to gas of the invention
On the air inlet of dynamic actuator, when control cabinet issues signal, control pressure gas source enters pneumatic actuator, pushes rack piston
13, drive gear output shaft 12 to rotate, gear output shaft 12 is rotated together with ovable valve stem 9, and valve rod 9 is rotarily opened with movable valve 3,
Fluids within pipes medium starts to flow.When control cabinet issue shutdown signal, control pressure gas source enter pneumatic actuator reversely into
On port, rack piston 13 is reversely pushed back, and replys home position, and gear output shaft 12 is driven to turn round, and gear output shaft 12 drives
Valve rod 9 turns round together, and valve rod 9 blocks media flow in pipeline with 3 rotary closure of movable valve, and a working cycles terminate.Work as control
Cabinet processed issues signal again, repeats the above movement, so in cycles, moves in circles.
Claims (5)
1. a kind of Pneumatic butterfly valve, including valve body (1), valve rod (9) is arranged in valve body (1), and valve rod (9) upper end is exposed to valve body (1)
Outside, valve (3) are equipped in the middle part of valve rod (9), which is characterized in that valve rod (9) upper end is located in bracket (7), valve body (1) and cylinder body
(10) it is connected and fixed with bracket (7), valve body (1) upper end is connected with the link block (8) being located in bracket (7), in cylinder body (10)
Equipped with gear output shaft (12), gear output shaft (12) is connected with link block (8), and two rack pistons (13) are symmetrically set in tooth
Output shaft (12) two sides are taken turns, the gear on gear output shaft (12) is meshed with the rack gear of two rack pistons (13), two teeth
Piston (13) carries out linear reciprocation by bleed pressure and moves back and forth, and band moving gear exports rack piston (13) during the motion
Axis (12) rotation.
2. a kind of Pneumatic butterfly valve as described in claim 1, which is characterized in that the valve (3) is mounted on by positioning Xiao (4)
On the valve rod (9).
3. a kind of Pneumatic butterfly valve as described in claim 1, which is characterized in that set between the valve rod (9) and the valve body (1)
There are sealing ring (5).
4. a kind of Pneumatic butterfly valve as described in claim 1, which is characterized in that be equipped between the valve (3) and the valve body (1)
Sealing ring (2).
5. a kind of Pneumatic butterfly valve as described in claim 1, which is characterized in that the lower rotational axis of the gear output shaft (12)
Be connected with the link block (8), the top rotation axis of the gear output shaft (12) be set to the finger of the cylinder body (10) outside
Show that device (15) is connected, rotation outer shaft sleeve is equipped with adjusting block (14) on the top of the gear output shaft (12), adjusting block (14)
With the top rotation axis clearance fit of the gear output shaft (12), an adjusting is respectively arranged on the left side and the right side in adjusting block (14)
Screw (16), the screw head for adjusting screw (16) are located at the cylinder body (10) outside, and the screw rod for adjusting screw (16) screws in the cylinder body
(10) side afterwards with the adjusting block (14) offsets, and adjusts the adjusting block (14) and the gear by adjusting screw (16)
Gap between the top rotation axis of output shaft (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811048960.XA CN109058564A (en) | 2018-09-10 | 2018-09-10 | A kind of Pneumatic butterfly valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811048960.XA CN109058564A (en) | 2018-09-10 | 2018-09-10 | A kind of Pneumatic butterfly valve |
Publications (1)
Publication Number | Publication Date |
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CN109058564A true CN109058564A (en) | 2018-12-21 |
Family
ID=64761046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811048960.XA Pending CN109058564A (en) | 2018-09-10 | 2018-09-10 | A kind of Pneumatic butterfly valve |
Country Status (1)
Country | Link |
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CN (1) | CN109058564A (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201507672U (en) * | 2009-09-28 | 2010-06-16 | 常州市汇丰船舶附件制造有限公司 | High-pressure pneumatic ventilation butterfly valve |
CN201696727U (en) * | 2010-05-20 | 2011-01-05 | 沈阳麦德兰自控阀门有限公司 | Hydraulic executer for large-aperture valve |
CN201696726U (en) * | 2010-05-20 | 2011-01-05 | 沈阳麦德兰自控阀门有限公司 | Energy-saving pneumatic actuator |
CN103410985A (en) * | 2013-07-16 | 2013-11-27 | 鞍山电磁阀有限责任公司 | Integrated pneumatic vent butterfly valve |
CN204985953U (en) * | 2015-08-20 | 2016-01-20 | 扬中市通发实业有限公司 | Pneumatic butterfly valve is used to fire engine |
CN107477192A (en) * | 2017-07-28 | 2017-12-15 | 上海宏大气动成套制造有限公司 | Pneumatic butterfly valve device |
CN209067919U (en) * | 2018-09-10 | 2019-07-05 | 上海宏芃流体科技有限公司 | Pneumatic butterfly valve |
-
2018
- 2018-09-10 CN CN201811048960.XA patent/CN109058564A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201507672U (en) * | 2009-09-28 | 2010-06-16 | 常州市汇丰船舶附件制造有限公司 | High-pressure pneumatic ventilation butterfly valve |
CN201696727U (en) * | 2010-05-20 | 2011-01-05 | 沈阳麦德兰自控阀门有限公司 | Hydraulic executer for large-aperture valve |
CN201696726U (en) * | 2010-05-20 | 2011-01-05 | 沈阳麦德兰自控阀门有限公司 | Energy-saving pneumatic actuator |
CN103410985A (en) * | 2013-07-16 | 2013-11-27 | 鞍山电磁阀有限责任公司 | Integrated pneumatic vent butterfly valve |
CN204985953U (en) * | 2015-08-20 | 2016-01-20 | 扬中市通发实业有限公司 | Pneumatic butterfly valve is used to fire engine |
CN107477192A (en) * | 2017-07-28 | 2017-12-15 | 上海宏大气动成套制造有限公司 | Pneumatic butterfly valve device |
CN209067919U (en) * | 2018-09-10 | 2019-07-05 | 上海宏芃流体科技有限公司 | Pneumatic butterfly valve |
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