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 PDF

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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Withdrawn
Application number
CN201711032125.2A
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Chinese (zh)
Inventor
叶良俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201711032125.2A priority Critical patent/CN107939984A/en
Publication of CN107939984A publication Critical patent/CN107939984A/en
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift 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
    • F16K1/16Lift 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
    • F16K1/18Lift 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
    • F16K1/22Lift 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift 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
    • F16K1/32Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift 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
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/36Valve members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/14Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
    • F16K31/143Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves the fluid acting on a piston

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  • 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

A kind of Pneumatic butterfly valve of achievable high-speed switch
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).
CN201711032125.2A 2017-10-29 2017-10-29 A kind of Pneumatic butterfly valve of achievable high-speed switch Withdrawn CN107939984A (en)

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

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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)

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Cited By (3)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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

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Application publication date: 20180420