CN109027265A - High temperature butterfly valve - Google Patents
High temperature butterfly valve Download PDFInfo
- Publication number
- CN109027265A CN109027265A CN201810947369.1A CN201810947369A CN109027265A CN 109027265 A CN109027265 A CN 109027265A CN 201810947369 A CN201810947369 A CN 201810947369A CN 109027265 A CN109027265 A CN 109027265A
- Authority
- CN
- China
- Prior art keywords
- valve
- output shaft
- gear output
- valve rod
- high temperature
- 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 8
- 210000004907 gland Anatomy 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 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
-
- 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
- F16K1/2261—Shaping or arrangements of the sealing the sealing being arranged on the valve member
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
- Lift Valve (AREA)
Abstract
The present invention provides a kind of high temperature butterfly valves, including valve rod, valve rod is set in valve body, and the middle part of valve rod is equipped with valve, the lower part of valve rod is set in the positioning shaft hole of valve body, the top of valve rod is connected with executing agency, which is characterized in that executing agency includes cylinder body, rack piston is equipped in cylinder body, rack piston carries out linear reciprocation by bleed pressure and moves back and forth, and rack piston drives gear output shaft to rotate during the motion, and gear output shaft is connected with the top of valve rod.In manufacture, service industry, fluid media (medium) has been used in large quantities --- air, steam, water etc. go to execute powered, the work such as object production, it wherein especially conveys high temperature, high corrosion, high pressure fluid and is important process, more demanding to corresponding valve, the present invention has carried out a large amount of improvement to conventional high-temperature valve mechanism aspect, it constantly improve, the requirement for further adapting to worst hot case adapts to automation control, timing, quantitative, fixed cycle the stable fluid media (medium) of conveying.
Description
Technical field
The present invention relates to a kind of high temperature butterfly valves, belong to valve field.
Background technique
Traditional valve products are to be executed control unit by valve seal component, installation valve body, opening and closing and constituted, and are belonged to manually
Type device.Valve executes control unit movement by opening and closing, achievees the purpose that the flowing for opening fluid and block fluid.Due to people
Industry control gear precision is not high, and operating force, coupling mechanism force be not high, and gear positioning accuracy is not high, is not closed completely, and fluid is caused to seep
Leakage, and sealing structure defect are easier to leakage waste of energy, quality problems, energy conservation and environmental protection often occur in conveying high-temperature steam
It is bad.
Summary of the invention
The purpose of the present invention is: high temperature, high pressure medium, high corrosion use condition under, stop a leak, flexibly open and close
Valve keeps fluid media (medium) conveying steady, reliable.
In order to achieve the above object, the technical solution of the present invention is to provide a kind of high temperature butterfly valve, including valve rod, valve rod is set
In in valve body, the middle part of valve rod is equipped with valve, and the lower part of valve rod is set in the positioning shaft hole of valve body, the top of valve rod and execution machine
Structure is connected, which is characterized in that executing agency includes cylinder body, and rack piston is equipped in cylinder body, and rack piston is carried out by bleed pressure
Linear reciprocation moves back and forth, and rack piston drives gear output shaft to rotate during the motion, gear output shaft and valve rod it is upper
Portion is connected.
Preferably, the valve body is equipped with valve deck, and valve deck is corresponding with the position of the valve, valve deck and the valve body it
Between pass through valve sealing ring seal.
Preferably, before the valve deck position being defined as, then one piece is respectively equipped in the arranged on left and right sides of the cylinder body
End cap is equipped with piston seal on rack piston.
Preferably, the rack piston, the rack piston are respectively provided in the front and rear sides of the gear output shaft
It is in contact with the gear output shaft, two rack pistons carry out linear reciprocation on left and right direction and move back and forth, and two
The direction of motion of rack piston described in item is on the contrary, to drive the gear output shaft to rotate.
Preferably, the lower rotational axis of the gear output shaft is connected with the top of the valve rod, the gear output
The top rotation axis of axis is connected with the indicator being set to outside the cylinder body, rotates outer shaft sleeve on the top of the gear output shaft
Equipped with adjusting block, the top rotation axis clearance fit of adjusting block and the gear output shaft is distinguished in the left and right sides of adjusting block
Adjust screw equipped with one, 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 institute
The side for stating adjusting block offsets, and is adjusted between the adjusting block and the top rotation axis of the gear output shaft by adjusting screw
Gap.
Preferably, the positioning shaft hole of the valve body is closed by screw plug.
Preferably, it is sealed between the top of the valve rod and the valve body by combined seal ring, combined seal ring passes through
The gland being set in outside the valve rod is fixed.
The present invention is widely used in the industry such as washing, light industry, foamed, food, medical treatment manufacture and service trade, is industry
On automatic assembly line and special equipment convey steam, air, water or other fluid medium actuator, have corrosion-resistant, high temperature resistant,
High voltage bearing characteristic.Have many advantages, such as to integrate, remote automatic control, be modern industry gas, fluid control it is indispensable
Product.
In manufacture, service industry, fluid media (medium) has been used in large quantities --- air, steam, water etc. go to execute powered,
The work such as object production, wherein especially conveying high temperature, high corrosion, high pressure fluid is important process, to corresponding valve
More demanding, the present invention has carried out a large amount of improvement to conventional high-temperature valve mechanism aspect, constantly improve, and further adapts to high temperature work
The requirement of condition adapts to automation control, timing, quantitative, fixed cycle the stable fluid media (medium) of conveying.
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 valve seal component, valve part, pneumatic actuators.Valve is by pneumatic
Executing agency's driving, is rotarily opened and is closed, and the flowing for opening fluid and block fluid is reached.Specifically, such as Fig. 1 and
Shown in Fig. 2, the present invention includes valve body 2, valve 6, valve sealing ring 7, valve rod 3, valve deck 4, pneumatic actuator etc..
Valve 6 is mounted on valve rod 3 by positioning pin 5, and 3 lower part of valve rod is placed in the positioning shaft hole of valve body 2, valve body 2
Positioning shaft hole closed by screw plug 1.3 top of valve rod is connected with the gear output shaft 13 of executing agency.Valve sealing ring 7 passes through valve
Lid 4 is mounted on valve body 2.There are also sealing rings 8 between valve body 2 and valve deck 4.
Pneumatic actuator is by cylinder body 11, end cap 12, rack piston 14, gear output shaft 13, indicator 16, adjusting screw
18 equal compositions.Cylinder body 11 is mounted on valve body 2 by screw, is adjusted screw 18 and is mounted on cylinder body 11, indicator 16 is mounted on
11 top of cylinder body.Before 4 position of valve deck is defined as, then one piece of end cap 12, tooth are respectively equipped in the arranged on left and right sides of cylinder body 11
Piston seal 17 is housed on piston 14.There are two rack pistons 14 and gear output shaft 13 in cylinder body 11.It is exported in gear
The front and rear sides of axis 13 is respectively provided with the rack piston 14, and rack piston 14 is in contact with gear output shaft 13, two teeth
Piston 14 carries out linear reciprocation by bleed pressure on left and right direction and moves back and forth, and the movement side of two rack pistons 14
To on the contrary, to drive the gear output shaft 13 to rotate.
The lower rotational axis of gear output shaft 13 is connected with the top of valve rod 3, the top rotation axis of gear output shaft 13
It is connected with the indicator 16 being set to outside cylinder body 11, on the top of gear output shaft 13, rotation outer shaft sleeve is equipped with adjusting block 15, adjusts
The top rotation axis clearance fit of locking nub 15 and gear output shaft 13 is respectively arranged on the left side and the right side an adjusting spiral shell in adjusting block 15
Nail 18, the screw head for adjusting screw 18 are located at outside cylinder body 11, and the screw rod of adjusting screw 18 screws in one with adjusting block 15 after cylinder body 11
Side offsets, by adjusting the gap between the adjusting adjusting block 15 of screw 18 and the top rotation axis of gear output shaft 13.
Valve 6, valve rod 3 are made of high-quality stainless steel, and valve sealing ring 7 is made of high-quality polytetrafluoroethylene (PTFE).Cylinder body 11
It is made of aluminium alloy, 11 inner surface fine grinding of cylinder body processing is inside and outside all to use preservative treatment.Rack piston 14 uses aluminium alloy
It is made, gear output shaft 13 is made from high grade steel.Valve sealing ring 7 uses Teflon (the i.e. polytetrafluoroethyl-ne of corrosion-resistant and high-temperature resistant
Alkene) production.It is matched using the bearing of high quality with the rotation axis of gear output shaft 13, coefficient of friction is low, long service life.
The present invention uses air for power source, air have takes conveniently, the superior condition such as pollution-free, adapt to it is explosion-proof,
It is anti-flaming, it is widely used in manufacture, service field.Rack piston 14 carries out linear reciprocation by bleed pressure and moves back and forth, thus band
Moving gear output shaft 13 is rotated, and then is rotated by valve rod 3 with movable valve 6, carries out the conveying of open and close fluid
Movement.The adjusting screw 18 of pneumatic actuator accurately can carry out ± 4 ° of adjusting in both direction, to make pneumatic actuator
It is consistent in standard-sized sheet and fully closed position with valve location.Indicator 16 can reflect 6 function situation of valve in real time.Cylinder body 11 is adopted
It is suppressed with aluminium alloy, inside and outside all to use anti-corrosion measure, 11 inner surface of cylinder body is ground, so that friction
Coefficient is lower.Multi-functional position indicator 16 had both provided simple clearly visualization instruction, and it is logical easily to connect standard
Various kinds of sensors.
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, steam, fluid conveying can be used.Pipe flange is connected on valve body 2 of the invention, control gas source is connected to
On the air inlet of pneumatic actuator of the invention, when control cabinet issues enabling signal, control pressure gas source enters pneumatic actuator,
Rack piston 14 is pushed, gear output shaft 13 is driven to rotate, gear output shaft 13 is rotated together with ovable valve stem 3, and valve rod 3 drives valve
Door 6 rotarily opens, and fluids within pipes medium starts to flow.When control cabinet issues shutdown signal, control pressure gas source enters pneumatic
On the reversed air inlet of actuator, rack piston 14 is reversely pushed back, and replys home position, drives gear output shaft 13 to turn round, gear
Output shaft 13 turns round together with ovable valve stem 3, and valve rod 3 blocks media flow in pipeline, a job with 6 rotary closure of movable valve
Circulation terminates.When control cabinet issues signal again, the above movement of repetition so in cycles, moves in circles.
Claims (7)
1. a kind of high temperature butterfly valve, including valve rod (3), valve rod (3) is set in valve body (2), and the middle part of valve rod (3) is equipped with valve (6),
The lower part of valve rod (3) is set in the positioning shaft hole of valve body (2), and the top of valve rod (3) is connected with executing agency, which is characterized in that
Executing agency includes cylinder body (11), is equipped with rack piston (14) in cylinder body (11), and rack piston (14) carries out straight by bleed pressure
Line back and forth moves back and forth, and rack piston (14) drives gear output shaft (13) to rotate during the motion, gear output shaft (13)
It is connected with the top of valve rod (3).
2. a kind of high temperature butterfly valve as described in claim 1, which is characterized in that the valve body (2) is equipped with valve deck (4), valve deck
(4) corresponding with the position of the valve (6), it is sealed between valve deck (4) and the valve body (2) by valve sealing ring (7).
3. a kind of high temperature butterfly valve as claimed in claim 2, which is characterized in that before the valve deck (4) position is defined as,
It then is respectively equipped with one piece of end cap (12) in the arranged on left and right sides of the cylinder body (11), piston seal is housed on rack piston (14)
(17)。
4. a kind of high temperature butterfly valve as claimed in claim 3, which is characterized in that forward and backward the two of the gear output shaft (13)
Side is respectively provided with the rack piston (14), and the rack piston (14) is in contact with the gear output shaft (13), and two
The rack piston (14) carries out linear reciprocation on left and right direction and moves back and forth, and the fortune of two rack pistons (14)
Move it is contrary, thus drive the gear output shaft (13) rotate.
5. a kind of high temperature butterfly valve as claimed in claim 3, which is characterized in that the lower rotational axis of the gear output shaft (13)
Be connected with the top of the valve rod (3), the top rotation axis of the gear output shaft (13) be set to the cylinder body (11) outside
Indicator (16) be connected, the gear output shaft (13) top rotation outer shaft sleeve be equipped with adjusting block (15), adjusting block
(15) with the top rotation axis clearance fit of the gear output shaft (13), one is respectively arranged on the left side and the right side in adjusting block (15)
It adjusts screw (18), the screw head for adjusting screw (18) is located at the cylinder body (11) outside, adjusts described in the screw rod screw-in of screw (18)
Side of the cylinder body (11) afterwards with the adjusting block (15) offsets, by adjust screw (18) adjust the adjusting block (15) with it is described
Gap between the top rotation axis of gear output shaft (13).
6. a kind of high temperature butterfly valve as described in claim 1, which is characterized in that the positioning shaft hole of the valve body (2) is by screw plug (1)
Closing.
7. a kind of high temperature butterfly valve as described in claim 1, which is characterized in that the top and the valve body (2) of the valve rod (3)
Between sealed by combined seal ring (9), combined seal ring (9) is fixed by being set in the outer gland (10) of the valve rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810947369.1A CN109027265A (en) | 2018-08-20 | 2018-08-20 | High temperature butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810947369.1A CN109027265A (en) | 2018-08-20 | 2018-08-20 | High temperature butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109027265A true CN109027265A (en) | 2018-12-18 |
Family
ID=64631425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810947369.1A Pending CN109027265A (en) | 2018-08-20 | 2018-08-20 | High temperature butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109027265A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707896A (en) * | 2019-03-07 | 2019-05-03 | 鞍山电磁阀有限责任公司 | Self-locking device and butterfly valve with self-locking function |
| CN110440048A (en) * | 2019-09-05 | 2019-11-12 | 上海巨良阀门集团有限公司 | Total travel adjusts pneumatic operated valve |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1430612A (en) * | 1973-06-26 | 1976-03-31 | Keystone Int | Valve actuator |
| CN2189674Y (en) * | 1994-03-12 | 1995-02-15 | 杨世洲 | Pneumatic rotary butterfly valve |
| CN1776266A (en) * | 2005-09-30 | 2006-05-24 | 刘工勤 | Sealing coufiguration for butterfly valve |
| CN201145046Y (en) * | 2007-11-15 | 2008-11-05 | 机械工业第五设计研究院 | Non-clamp out release prevention hard seal welding butterfly valve |
| CN201475476U (en) * | 2009-08-24 | 2010-05-19 | 浙江志泰自控阀门有限公司 | 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 |
| CN204099621U (en) * | 2014-09-10 | 2015-01-14 | 东台市远洋船舶配件有限公司 | Multi-functional valve |
| CN104791547A (en) * | 2015-04-09 | 2015-07-22 | 姚鹏飞 | Valve opening degree indicator |
| CN105090536A (en) * | 2015-09-08 | 2015-11-25 | 上海宏翔机械制造有限公司 | High-temperature butterfly valve |
| CN107939984A (en) * | 2017-10-29 | 2018-04-20 | 叶良俊 | A kind of Pneumatic butterfly valve of achievable high-speed switch |
| CN209067855U (en) * | 2018-08-20 | 2019-07-05 | 上海宏芃流体科技有限公司 | A kind of high temperature butterfly valve |
-
2018
- 2018-08-20 CN CN201810947369.1A patent/CN109027265A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1430612A (en) * | 1973-06-26 | 1976-03-31 | Keystone Int | Valve actuator |
| CN2189674Y (en) * | 1994-03-12 | 1995-02-15 | 杨世洲 | Pneumatic rotary butterfly valve |
| CN1776266A (en) * | 2005-09-30 | 2006-05-24 | 刘工勤 | Sealing coufiguration for butterfly valve |
| CN201145046Y (en) * | 2007-11-15 | 2008-11-05 | 机械工业第五设计研究院 | Non-clamp out release prevention hard seal welding butterfly valve |
| CN201475476U (en) * | 2009-08-24 | 2010-05-19 | 浙江志泰自控阀门有限公司 | 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 |
| CN204099621U (en) * | 2014-09-10 | 2015-01-14 | 东台市远洋船舶配件有限公司 | Multi-functional valve |
| CN104791547A (en) * | 2015-04-09 | 2015-07-22 | 姚鹏飞 | Valve opening degree indicator |
| CN105090536A (en) * | 2015-09-08 | 2015-11-25 | 上海宏翔机械制造有限公司 | High-temperature butterfly valve |
| CN107939984A (en) * | 2017-10-29 | 2018-04-20 | 叶良俊 | A kind of Pneumatic butterfly valve of achievable high-speed switch |
| CN209067855U (en) * | 2018-08-20 | 2019-07-05 | 上海宏芃流体科技有限公司 | A kind of high temperature butterfly valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707896A (en) * | 2019-03-07 | 2019-05-03 | 鞍山电磁阀有限责任公司 | Self-locking device and butterfly valve with self-locking function |
| CN110440048A (en) * | 2019-09-05 | 2019-11-12 | 上海巨良阀门集团有限公司 | Total travel adjusts pneumatic operated valve |
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