CN104806771B - A kind of pneumatic expansion formula butterfly valve - Google Patents
A kind of pneumatic expansion formula butterfly valve Download PDFInfo
- Publication number
- CN104806771B CN104806771B CN201510190695.9A CN201510190695A CN104806771B CN 104806771 B CN104806771 B CN 104806771B CN 201510190695 A CN201510190695 A CN 201510190695A CN 104806771 B CN104806771 B CN 104806771B
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- CN
- China
- Prior art keywords
- valve
- control valve
- actuator
- fluid passage
- 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.)
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Classifications
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- 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
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- 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
- F16K1/42—Valve seats
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- 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
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- 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
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- 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
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
-
- 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
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Fluid-Driven Valves (AREA)
Abstract
A kind of pneumatic expansion formula butterfly valve, including valve body, valve plate, valve rod and the actuator being arranged on above butterfly body, the valve plate of barrier fluid passage is provided with the fluid passage of valve body, valve plate is connected by valve rod and actuator, the elastic seat for being in close contact or separating with valve plate when valve plate obstructs disconnected fluid passage is additionally provided with fluid passage, cavity is provided between the elastic seat and valve body, what the cavity was connected to the modular control valve that is set outside valve body by pipeline picks out end, the incoming end of modular control valve is connected by pipeline with control valve again, the actuator is connected also through pipeline with control valve, control valve is connected with external pressure source of the gas again.Of the invention novel in design, unique structure, butterfly valve starting torque is extra small, action is very sensitive, and reduction valve seat opens and closes contact wear with valve plate, avoids the inferior position of traditional butterfly valve, the less actuator of moment of torsion can be matched, the service life and economy of butterfly valve are greatly improved.
Description
Technical field
A kind of pipeline flow control device in pipe laying field involved in the present invention, more particularly to a kind of pneumatic expansion
Formula butterfly valve.
Background technology
Butterfly valve is that, equipped with a discoid butterfly valve plate, it is around valve rod axis in the valve body fluid passage of cylinder
Make 0~90 ° of rotation, when butterfly plate is in 0 °, valve is completely closed；When rotating to 90 degree, then valve is opened completely；Due to butterfly valve knot
Structure is simple, small volume, lightweight, operates the advantages of flexible, easy for installation, negotiability is big, is had increasingly been used for pipe
During road is installed.But the strong friction torsion of traditional butterfly valve valve plate and valve seat when opening and closing is excessive, reduces making for valve
With the life-span, and traditional butterfly valve start close when moment of torsion it is larger, it is necessary to which actuator provides larger power.
The content of the invention
For traditional defect that butterfly valve service life is low, moment of torsion is big, the present invention provides a kind of pneumatic expansion formula butterfly valve.
To achieve these goals, the technical solution used in the present invention is：A kind of pneumatic expansion formula butterfly valve, including valve
The valve of barrier fluid passage is provided with body, valve plate, valve rod and the actuator being arranged on above butterfly body, the fluid passage of valve body
Plate, valve plate is connected by valve rod and actuator, is additionally provided with fluid passage at the disconnected fluid passage of valve plate barrier and valve
The elastic seat that plate is in close contact or separated, is provided with cavity between the elastic seat and valve body, the cavity is connected by pipeline
Be connected to the modular control valve that is set outside valve body picks out end, and the incoming end of modular control valve passes through pipeline again
It is connected with control valve, the actuator is connected also through pipeline with control valve, control valve is connected with external pressure source of the gas again.
A kind of pneumatic expansion formula butterfly valve that this practicality is further provided for, its elastic seat is fastenedly connected in fluid passage
On the valve seat fixed pedestal of setting, airtight cavity is formed between valve seat fixed pedestal and elastic seat, is provided with positioned at valve body
The connecting hole connected with the airtight cavity.
A kind of pneumatic expansion formula butterfly valve that this practicality is further provided for, its actuator is pneumatic actuator, and it includes gas
It is provided with cylinder, cylinder on two driving pistons, two driving pistons and is provided with driving rack, what described and actuator was connected
Valve rod upper end is provided with the gears with two driving rack engaged transmissions, two driving pistons by cylinder be separated into three it is independent closed
Chamber, wherein the airtight chamber formed between two driving pistons is by setting first interface on cylinder wall to be communicated with outside, remaining
Two cavitys are communicated with the second interface being arranged on cylinder wall with outside.
A kind of pneumatic expansion formula butterfly valve that this practicality is further provided for, its modular control valve includes being adjusted by flow
Valve, pressure-regulating valve, pressure gauge, and unidirectional rapid escape valve are saved, the entrance of flow control valve is modular control valve
Incoming end, flow control valve, pressure-regulating valve, unidirectional rapid escape valve are sequentially connected in series, unidirectional rapid escape valve include access port,
Exit, Quick air-discharge mouthful, wherein exit are the end that picks out of modular control valve, Quick air-discharge mouthful and atmosphere.
A kind of pneumatic expansion formula butterfly valve that this practicality is further provided for, its control valve is two-position-five-way solenoid valve.
A kind of pneumatic expansion formula butterfly valve that this practicality is further provided for, the material of its elastic seat is nitrile rubber or poly-
Carbamate or fluorubber.
Beneficial effects of the present invention：The present invention is fully played the advantage of expansion type valve seat and valve plate, design
Novelty, unique structure, butterfly valve starting torque is extra small, acts very sensitive, reduction valve seat and valve plate keying contact wear, avoids
The inferior position of traditional butterfly valve, can match the less actuator of moment of torsion, and the service life and economy of butterfly valve are greatly improved.
Brief description of the drawings
Fig. 1, the present invention overall structure diagram；
Fig. 2, the present invention attachment structure decomposing schematic representation；
The structural representation of modular control valve in Fig. 3, the present invention；
The structural representation of two-position-five-way solenoid valve in Fig. 4, the present invention；
Valve mechanism schematic diagram when Fig. 5, present invention closing；
Valve mechanism schematic diagram when Fig. 6, present invention unlatching.
Embodiment
To improve, the traditional butterfly valve service life of tradition is low, the defect that moment of torsion is big, designs a kind of pneumatic expansion formula butterfly valve (as schemed
1~Fig. 6), a kind of pneumatic expansion formula butterfly valve, including valve body 1, valve plate 2, valve rod 3 and the actuator 4 for being arranged on the top of butterfly body 1, valve
The valve plate 2 of barrier fluid passage is provided with the fluid passage of body 1, valve plate 2 is connected by valve rod 3 with actuator 4, fluid
The elastic seat 5 for being in close contact or separating with valve plate 2 when valve plate 2 obstructs disconnected fluid passage, the bullet are additionally provided with passage
Property valve seat 5 and valve body 1 between be provided with cavity, the cavity is connected to the outer modular process control set of valve body 1 by pipeline
Valve 6 picks out end, and the incoming end of modular control valve 6 is connected by pipeline with control valve 7 again, the actuator 4 also leads to
Piping is connected with control valve 7, and control valve 7 is connected with external pressure source of the gas again.
The elastic seat 5 is fastenedly connected on the valve seat fixed pedestal 8 set in fluid passage, valve seat fixed pedestal 8
Airtight cavity is formed between elastic seat 5, the connecting hole 9 connected with the airtight cavity is provided with positioned at valve body 1.
The actuator 4 is pneumatic actuator, and it includes being provided with two driving pistons 11 in cylinder 10, cylinder 10, and two drive
Driving rack 12 is provided with piston 11, the upper end of valve rod 3 being connected with actuator 4 is provided with and two sliding tooths
Cylinder 10 is separated into three independent airtight chamber by the gear 13 of the engaged transmission of bar 12, two driving pistons 11, wherein two drivings
The airtight chamber formed between piston by setting first interface 14 on cylinder wall to be communicated with outside, remaining two cavity with setting
Second interface 15 on cylinder wall is communicated with outside.
The modular control valve 6 is included by flow control valve 16, pressure-regulating valve 17, pressure gauge 18, and unidirectionally
Rapid escape valve 19, the entrance of flow control valve 16 is the incoming end of modular control valve 6, flow control valve 16, pressure
Regulating valve 17, unidirectional rapid escape valve 19 are sequentially connected in series, and unidirectional rapid escape valve 19 includes access port, exit, Quick air-discharge
Mouthful, wherein exit is the end that picks out of modular control valve, Quick air-discharge mouthful and atmosphere.
The control valve 7 is two-position-five-way solenoid valve, and the double electricity of two-position five-way plain edition NAMUR are used in specific implementation
Control magnetic valve.The material of the elastic seat 5 is nitrile rubber or polyurethanes or fluorubber.
Described external pressure source of the gas is generally air compressor or compression gas accumulator.
The operation principle of the present invention：Under the control of two-position-five-way solenoid valve, pneumatic actuator promotes the rotation of valve plate 2 real
The open and close of existing valve.When valve plate 2 moves to the position for closing valve, valve plate 2 is instantaneous touch elastic seat
5, so as to reduce friction, the moment of torsion that reduction abrasion and valve rod drive；After valve is closed, in modular control valve 6
Under control, elastic seat 5 expands towards valve plate 2, so as to provide bigger sealing surface, and provides uniform pressure to valve plate 2；Beat
In front of the door, in the presence of the control of modular control valve 6 and pneumatic actuator, elastic seat is tightened valve opening first, then
Valve plate 2 freely turns to open position.
Beneficial effects of the present invention：Using modular combination valve, the advantage of expansion type valve seat and valve plate is set to have obtained fully
Performance, novel in design, unique structure, butterfly valve starting torque is extra small, acts very sensitive, and low abrasion, avoids traditional butterfly
The inferior position of valve, can match the less actuator of moment of torsion, and the service life and economy of butterfly valve are greatly improved.
It is all within this patent protection domain that those ordinary skill in the art, which simply replace and changed,.
Claims (1)
1. a kind of pneumatic expansion formula butterfly valve, including valve body, valve plate, valve rod and the actuator being arranged on above butterfly body, the stream of valve body
The valve plate of barrier fluid passage is provided with body passage, valve plate is connected by valve rod and actuator, also set in fluid passage
Be equipped with the elastic seat for being in close contact or separating with valve plate when valve plate obstructs disconnected fluid passage, the elastic seat and valve body it
Between be provided with cavity, what the cavity was connected to the modular control valve that is set outside valve body by pipeline picks out end, modular
The incoming end of control valve is connected by pipeline with control valve again, and the actuator is connected also through pipeline with control valve, control
Valve processed is connected with external pressure source of the gas again；Consolidate characterized in that, elastic seat is fastenedly connected in the valve seat set in fluid passage
Determine on pedestal, airtight cavity is formed between valve seat fixed pedestal and elastic seat, be provided with and the closed chamber positioned at valve body
The connecting hole of body connection；Elastic seat is only capable of in valve body radially unidirectional contraction,
Actuator is pneumatic actuator, and it includes being provided with two driving pistons in cylinder, cylinder, is provided with two driving pistons
Rack is driven, the valve rod upper end being connected with actuator is provided with the gear with two driving rack engaged transmissions, and two drive
Cylinder is separated into three independent airtight chamber by piston, wherein the airtight chamber formed between two driving pistons is by setting
First interface is communicated with outside on cylinder wall, and remaining two cavity is communicated with the second interface being arranged on cylinder wall with outside；
Modular control valve includes flow control valve, pressure-regulating valve, pressure gauge, and unidirectional rapid escape valve, flow control valve
Entrance be modular control valve incoming end, flow control valve, pressure-regulating valve, unidirectional rapid escape valve are gone here and there successively
Connect, unidirectional rapid escape valve includes access port, exit, Quick air-discharge mouthful, and wherein exit is modular control valve
Pick out end, Quick air-discharge mouthful and atmosphere；Control valve is two-position-five-way solenoid valve；The material of the elastic seat is the fine rubber of fourth
Glue or polyurethanes or fluorubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190695.9A CN104806771B (en) | 2015-04-18 | 2015-04-18 | A kind of pneumatic expansion formula butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190695.9A CN104806771B (en) | 2015-04-18 | 2015-04-18 | A kind of pneumatic expansion formula butterfly valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104806771A CN104806771A (en) | 2015-07-29 |
| CN104806771B true CN104806771B (en) | 2017-10-24 |
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ID=53691859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510190695.9A Active CN104806771B (en) | 2015-04-18 | 2015-04-18 | A kind of pneumatic expansion formula butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104806771B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350830A (en) * | 2020-03-26 | 2020-06-30 | 陈少同 | Butterfly valve |
| CN111350833A (en) * | 2020-03-26 | 2020-06-30 | 陈少同 | Butterfly valve |
| CN115962290B (en) * | 2022-12-11 | 2023-11-14 | 江苏明江阀业有限公司 | Pneumatic full-lining butterfly valve with high safety and use method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201310634Y (en) * | 2008-09-10 | 2009-09-16 | 江苏神通阀门股份有限公司 | Gas-charging butterfly valve |
| CN101858458A (en) * | 2010-06-08 | 2010-10-13 | 清华大学 | Pneumatic executor for driving valve |
| CN202660035U (en) * | 2012-06-25 | 2013-01-09 | 中国舰船研究设计中心 | Pneumatic control device for pipeline butterfly valve |
| CN102900852A (en) * | 2011-07-25 | 2013-01-30 | 孙杰 | Valve seat component and butterfly valve |
| CN204175987U (en) * | 2014-09-03 | 2015-02-25 | 浙江威腾阀门有限公司 | Sealed type dish valve |
| CN204573137U (en) * | 2015-04-18 | 2015-08-19 | 温州巴尔阀门有限公司 | A kind of pneumatic expansion formula butterfly valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9400061B2 (en) * | 2013-07-29 | 2016-07-26 | Fisher Controls International Llc | Fluid valve apparatus having enclosed seals |
-
2015
- 2015-04-18 CN CN201510190695.9A patent/CN104806771B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201310634Y (en) * | 2008-09-10 | 2009-09-16 | 江苏神通阀门股份有限公司 | Gas-charging butterfly valve |
| CN101858458A (en) * | 2010-06-08 | 2010-10-13 | 清华大学 | Pneumatic executor for driving valve |
| CN102900852A (en) * | 2011-07-25 | 2013-01-30 | 孙杰 | Valve seat component and butterfly valve |
| CN202660035U (en) * | 2012-06-25 | 2013-01-09 | 中国舰船研究设计中心 | Pneumatic control device for pipeline butterfly valve |
| CN204175987U (en) * | 2014-09-03 | 2015-02-25 | 浙江威腾阀门有限公司 | Sealed type dish valve |
| CN204573137U (en) * | 2015-04-18 | 2015-08-19 | 温州巴尔阀门有限公司 | A kind of pneumatic expansion formula butterfly valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104806771A (en) | 2015-07-29 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 325000 36 Chahua Road, Wenzhou Economic and Technological Development Zone, Zhejiang Province Patentee after: Zhejiang BAL Valve Co., Ltd Address before: 325000 Zhejiang city of Wenzhou province city economic and Technological Development Zone No. 7 Lane Street Yongqiang Avenue 2273 Patentee before: Wenzhou Ba Er valve Co., Ltd |
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| CP03 | Change of name, title or address |