CN107939984A - A kind of Pneumatic butterfly valve of achievable high-speed switch - Google Patents
A kind of Pneumatic butterfly valve of achievable high-speed switch Download PDFInfo
- Publication number
- CN107939984A CN107939984A CN201711032125.2A CN201711032125A CN107939984A CN 107939984 A CN107939984 A CN 107939984A CN 201711032125 A CN201711032125 A CN 201711032125A CN 107939984 A CN107939984 A CN 107939984A
- Authority
- CN
- China
- Prior art keywords
- valve
- pneumatic
- pneumatic actuator
- butterfly valve
- butterfly
- 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.)
- Withdrawn
Links
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
- F16K1/32—Details
-
- 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
-
- 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
- F16K31/14—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
- F16K31/143—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves the fluid acting on a piston
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The invention discloses a kind of Pneumatic butterfly valve of achievable high-speed switch, including butterfly valve and pneumatic actuator, position indicator is installed at the top of the pneumatic actuator, the surface of the pneumatic actuator is provided with air admission hole and exhausting-gas hole, the pneumatic actuator is connected by valve rod and the butterfly valve of lower section, the butterfly valve is internally provided with valve, the valve internal is provided with butterfly plate, the pneumatic actuator is internally provided with O-ring sealing piston, one end of the O-ring sealing piston is connected by spring with one end of another O-ring sealing piston, the pneumatic actuator is internally provided with guide rod, and guide rod is through valve positioner and O-ring sealing piston.The configuration of the present invention is simple, small in volume, low cost, at the same time, valve plate and valve body frame are made of wear-resistant material, service life is extended more than one times, pneumatic actuator and butterfly plate are fixedly mounted by valve rod respectively, monolithic construction is formed, securely and reliably, stability is high.
Description
Technical field
The present invention relates to butterfly plate technical field, is specifically a kind of Pneumatic butterfly valve of achievable high-speed switch.
Background technology
Butterfly valve is a kind of butterfly plate for being opened, closing and being adjusted fluid passage with valve rod rotation using circular butterfly plate;Mostly
Number butterfly valve can be used for the conveying switch control to circulation medium, its is simple in structure, small, light-weight, and need to only be rotated by 90 °
Can fast opening and closing, it is easy to operate, while the butterfly plate has good fluid handling properties concurrently, so as to be widely used in oil, change
Field, the Pneumatic butterfly valves such as work, metallurgy, electric power, food, medicine, plumbing, gas conveying are then to be used as drive division using pneumatic device
The butterfly valve of part, in the prior art, butterfly valve are arranged on pipeline to be used in use, to connect, and are generally selected and are used spiral shell
Bolt is engaged with flange and connects Pneumatic butterfly valve between tubes, and bolt gets rusty easily, and is not easy to dismount after getting rusty, increases
The difficulty replaced is repaired, and can be existed with the lengthening of usage time, the problem of bolt looseness causes fluid leakage, so that
The sealing performance or the regulatory function to flow, valve opening closing velocity for influencing Pneumatic butterfly valve are slowly brought not to user
Just.
The content of the invention
It is an object of the invention to provide a kind of Pneumatic butterfly valve of achievable high-speed switch, to solve due to adjustment type valve
Door, valve rod are in the interstage, can be had an impact for flow resistance, and it is high to some that valve rod is in immersion medium state for a long time
Stainless steel or preferable material should be selected when pressure, corrosive fluid medium, avoids shining into valve rod distortion or the corrosion imagination etc. and asks
Topic.
To achieve the above object, the present invention provides following technical solution:A kind of Pneumatic butterfly valve of achievable high-speed switch, bag
Butterfly valve and pneumatic actuator are included, position indicator, the surface of the pneumatic actuator are installed at the top of the pneumatic actuator
Air admission hole and exhausting-gas hole are provided with, the pneumatic actuator is connected by valve rod and the butterfly valve of lower section, and the inside of the butterfly valve is set
Valve is equipped with, the valve is internally provided with butterfly plate, and the pneumatic actuator is internally provided with O-ring sealing piston, institute
The one end for stating O-ring sealing piston is connected by spring with one end of another O-ring sealing piston.
Preferably, the inside of the position indicator, which is run through, manual rotary switch.
Preferably, the flange below the pneumatic actuator is interconnected by clamp nut.
Preferably, the pneumatic actuator is internally provided with guide rod, and guide rod is through valve positioner and O-shaped
Enclose sealing piston.
Preferably, the pneumatic actuator is internally provided with valve positioner.
Compared with prior art, the beneficial effects of the invention are as follows:The configuration of the present invention is simple, small in volume, low cost,
Meanwhile valve plate and valve body frame are made of wear-resistant material, service life is set to extend more than one times;Butterfly valve integrated model is using easy
Disassembly design, cleaning and maintenance are convenient;Pneumatic actuator and butterfly plate are fixedly mounted by valve rod respectively, form monolithic construction, peace
Complete reliable, stability is high;The butterfly plate of butterfly valve is installed on the diametric(al) of pipeline, and valve positioner receives manual rotary switch output
Signal, is then proportionally output to executing agency by the output signal of manual rotary switch, after valve rod movement, its displacement
Further through mechanical device negative feedback in valve positioner, the speed that valve opening is closed ensure that;Due to adjustment type valve,
Valve rod is in the interstage, can be had an impact for flow resistance, valve rod be in for a long time immersion medium state to some high pressures,
Stainless steel or preferable material should be selected during corrosive fluid medium, avoids shining distorting or corroding into valve rod and imagines.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is pneumatic actuator structure diagram of the present invention.
In figure:1- manual rotary switches, 2- position indicators, 3- air admission holes, 4- butterfly valves, 5- butterfly plates, 6- exhausting-gas holes, 7- valves
Door, 8- clamp nuts, 9- valve rods, 10- flanges, 11- valve positioners, 12- pneumatic actuators, 13- guide rods, 14- springs,
15-O type circle sealing pistons.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Please refer to Fig.1~2, in the embodiment of the present invention, a kind of Pneumatic butterfly valve of achievable high-speed switch, including 4 He of butterfly valve
Pneumatic actuator 12, the top of pneumatic actuator 12 are provided with position indicator 2, and the surface of pneumatic actuator 12 is provided with air inlet
Hole 3 and exhausting-gas hole 6, pneumatic actuator 12 are connected by valve rod 9 with the butterfly valve 4 of lower section, and butterfly valve 4 is internally provided with valve 7, valve
Door 7 is internally provided with butterfly plate 5, and the butterfly plate 5 of butterfly valve 4 is installed on the diametric(al) of pipeline, and valve positioner 11 receives to revolve manually
The output of pass 1 signal is turned on, the output signal of manual rotary switch 1 is proportionally then output to executing agency, when valve rod 9 moves
After dynamic, its displacement is internally provided with O further through mechanical device negative feedback in valve positioner 11, pneumatic actuator 12
Type circle sealing piston 15, one end of O-ring sealing piston 15 are connected by one end of spring 14 and another O-ring sealing piston 15
Connect, through there is manual rotary switch 1, the flange 10 of the lower section of pneumatic actuator 12 passes through clamp nut 8 for the inside of position indicator 2
Interconnect, pneumatic actuator 12 is internally provided with guide rod 13, and guide rod 13 is close through valve positioner 11 and O-ring
Piston 15 is sealed, pneumatic actuator 12 is internally provided with valve positioner 11.
The present invention operation principle be:The butterfly plate of Pneumatic butterfly valve is installed on the diametric(al) of pipeline, during use manually
Rotary switch 1 drives the valve rod 9 that the valve positioner 11 of lower section connects, in 4 valve cylinder-shaped passage of butterfly valve, disc butterfly plate
5 rotate around axis, and between rotation angle is 0 °~90 °, when rotating to 90 °, the then full-gear of valve 7, is positioned by valve
Device 1 receives manual rotary switch 1 and exports signal, and manual rotary switch 1, output signal are proportionally then output to execution
Mechanism, after the movement of valve rod 9, its displacement is further through mechanical device negative feedback in valve positioner 11, therefore it is with holding
Row mechanism form a closed-loop system, valve positioner 11 can increase executing agency it is pleased go out power, reduce control signal
Transfer lag, accelerates the translational speed of valve rod 9, improves the linearity of signal and valve interdigit, overcomes the frictional force of valve rod, eliminates not
The influence of equilibrant force.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Claims (5)
1. a kind of Pneumatic butterfly valve of achievable high-speed switch, including butterfly valve (4) and pneumatic actuator (12), it is characterised in that:Institute
State and position indicator (2) is installed at the top of pneumatic actuator (12), the surface of the pneumatic actuator (12) is provided with air inlet
Hole (3) and exhausting-gas hole (6), the pneumatic actuator (12) are connected by valve rod (9) with the butterfly valve (4) of lower section, the butterfly valve (4)
Be internally provided with valve (7), the valve (7) is internally provided with butterfly plate (5), and the inside of the pneumatic actuator (12) is set
O-ring sealing piston (15) is equipped with, one end of the O-ring sealing piston (15) is close by spring (14) and another O-ring
Seal one end connection of piston (15).
A kind of 2. Pneumatic butterfly valve of achievable high-speed switch according to claim 1, it is characterised in that:The position instruction
The inside of device (2), which is run through, manual rotary switch (1).
A kind of 3. Pneumatic butterfly valve of achievable high-speed switch according to claim 1, it is characterised in that:The pneumatic execution
Flange (10) below device (12) is interconnected by clamp nut (8).
A kind of 4. Pneumatic butterfly valve of achievable high-speed switch according to claim 1, it is characterised in that:The pneumatic execution
Device (12) is internally provided with guide rod (13), and guide rod (13) is through valve positioner (11) and O-ring sealing piston
(15)。
A kind of 5. Pneumatic butterfly valve of achievable high-speed switch according to claim 1, it is characterised in that:The pneumatic execution
Device (12) is internally provided with valve positioner (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711032125.2A CN107939984A (en) | 2017-10-29 | 2017-10-29 | A kind of Pneumatic butterfly valve of achievable high-speed switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711032125.2A CN107939984A (en) | 2017-10-29 | 2017-10-29 | A kind of Pneumatic butterfly valve of achievable high-speed switch |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107939984A true CN107939984A (en) | 2018-04-20 |
Family
ID=61936616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711032125.2A Withdrawn CN107939984A (en) | 2017-10-29 | 2017-10-29 | A kind of Pneumatic butterfly valve of achievable high-speed switch |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107939984A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109027265A (en) * | 2018-08-20 | 2018-12-18 | 上海宏芃流体科技有限公司 | High temperature butterfly valve |
CN109611606A (en) * | 2018-11-30 | 2019-04-12 | 中国船舶重工集团公司第七研究所 | Aeration valve for diesel engine |
CN111220204A (en) * | 2018-11-26 | 2020-06-02 | 上海梅山钢铁股份有限公司 | Prevent breathing heavily regulation control system mistake proofing detection device |
-
2017
- 2017-10-29 CN CN201711032125.2A patent/CN107939984A/en not_active Withdrawn
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109027265A (en) * | 2018-08-20 | 2018-12-18 | 上海宏芃流体科技有限公司 | High temperature butterfly valve |
CN111220204A (en) * | 2018-11-26 | 2020-06-02 | 上海梅山钢铁股份有限公司 | Prevent breathing heavily regulation control system mistake proofing detection device |
CN109611606A (en) * | 2018-11-30 | 2019-04-12 | 中国船舶重工集团公司第七研究所 | Aeration valve for diesel engine |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107939984A (en) | A kind of Pneumatic butterfly valve of achievable high-speed switch | |
CN101285532A (en) | Multi-gear valve | |
CN207393975U (en) | A kind of Pneumatic butterfly valve of achievable high-speed switch | |
CN201696653U (en) | Flow control valve | |
CN107477192A (en) | Pneumatic butterfly valve device | |
CN208252811U (en) | A kind of portable ball valve | |
CN202338651U (en) | Sleeve type butterfly valve | |
CN216555397U (en) | Circular biological safety high-tightness airtight valve | |
CN2389264Y (en) | Magnetic force rotary type valve | |
CN107504251A (en) | A kind of anti-jamming motor driving stop valve | |
CN209229052U (en) | A kind of PVC ball valve | |
CN106678374A (en) | Low-water-resistance hydraulic valve | |
CN202140580U (en) | Omniseal leakage-free butterfly valve | |
CN207018611U (en) | A kind of pneumatic cut-out regulating butterfly valve | |
CN219796310U (en) | High leakproofness hydraulic valve | |
CN209262373U (en) | A kind of pneumatic high-voltage shut-off valve | |
CN214367791U (en) | Butterfly valve with small operating torque and convenient maintenance | |
CN218718941U (en) | Pneumatic switch ball valve | |
CN220488308U (en) | Butterfly valve with self-locking function for nuclear power | |
CN218935305U (en) | Balance butterfly valve | |
CN208997378U (en) | A kind of limit anti-rotation fixing ball valve | |
CN214118978U (en) | Mechanical one-way ventilation valve | |
CN204729712U (en) | A kind of pneumatic type antisweat butterfly valve | |
CN219639460U (en) | Butterfly valve convenient to mount and dismount | |
CN213871157U (en) | Plate ring surrounding belt type double-seal water inlet butterfly valve |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180420 |