CN106151545A - A kind of auto purification type pneumatic diaphragm control valve - Google Patents
A kind of auto purification type pneumatic diaphragm control valve Download PDFInfo
- Publication number
- CN106151545A CN106151545A CN201510149418.3A CN201510149418A CN106151545A CN 106151545 A CN106151545 A CN 106151545A CN 201510149418 A CN201510149418 A CN 201510149418A CN 106151545 A CN106151545 A CN 106151545A
- Authority
- CN
- China
- Prior art keywords
- liquid outlet
- connected entrance
- valve
- outlet channel
- feed pathway
- 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
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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
- F16K1/32—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
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0254—Construction of housing; Use of materials therefor of lift valves with conical shaped valve members
Abstract
The invention discloses a kind of auto purification type pneumatic diaphragm control valve, including: actuating unit, support and valve body, actuating unit is fixedly mounted on the top of support, and actuating unit includes membrane cover and push rod, being provided with diaphragm and spring in membrane cover, one end of push rod is fixing with diaphragm to be connected；Valve body is fixedly mounted on the bottom of support, and valve body includes main body, valve seat and spool, is provided be interconnected feed pathway and liquid outlet channel, and forms connected entrance in feed pathway and liquid outlet channel connectivity part in main body；Valve seat is fixedly mounted at connected entrance, and spool is connected with push rod and coordinates the circulation area for controlling connected entrance with valve seat；Liquid outlet channel is positioned at the lower section of feed pathway, and the axial line of liquid outlet channel is perpendicular to feed pathway, and the axial line of liquid outlet channel overlaps with the axial line of push rod.The present invention makes fluid wash away, in the process of circulation, the duct wall flowed through, it is to avoid in fluid, mud or particulate matter accumulate and produce coking in runner and block runner.
Description
Technical field
The present invention relates to instrument technical field, particularly relate to a kind of auto purification type pneumatic diaphragm control valve.
Background technology
In the automatically controlling of modern plant, regulation valve plays a very important role, the life of these factories
Produce and depend on that the fluid flowed correctly distributes and controls.These control the either exchange of energy, pressure
Reduce or simple container charging, be required for some final element that controls and gone.
But when regulation valve is applied in the field such as chemical industry, blowdown, it is mostly owing to flowing through the fluid in valve flowing channel
Material containing float, silt and granule；These float, silt and granule are when flowing through runner
Produce coking in being easy to be deposited on runner, thus block runner, affect the normal use of valve body.
Summary of the invention
The technical problem existed based on above-mentioned background technology, the present invention proposes a kind of auto purification type air bladder regulation
Valve, and this regulation valve has the function of self-cleaning and cleaning, the problem that can be prevented effectively from coking, blocking.
The present invention proposes a kind of auto purification type pneumatic diaphragm control valve, including: actuating unit, support and valve body,
Actuating unit is fixedly mounted on the top of support, and actuating unit includes membrane cover and push rod, is provided with by believing in membrane cover
Diaphragm that number Stress control is flexible and be arranged on below diaphragm and fix the spring being connected with diaphragm, the one of push rod
Hold diaphragm internal with membrane cover to fix to be connected and by carrying out upper and lower telescopic moving under the mating reaction of diaphragm and spring；
Valve body is fixedly mounted on the bottom of support, and valve body includes main body, valve seat and spool, is provided with and interconnects mutually in main body
Logical feed pathway and liquid outlet channel, and form connected entrance, and connection in feed pathway and liquid outlet channel connectivity part
The internal diameter of mouth is less than the internal diameter of feed pathway；Valve seat is fixedly mounted at connected entrance, and spool is connected also with push rod
The circulation area for controlling connected entrance is coordinated with valve seat；
Liquid outlet channel is positioned at the lower section of feed pathway, and the axial line of liquid outlet channel is perpendicular to feed pathway, and goes out
The axial line of liquid passage overlaps with the axial line of push rod；Liquid outlet channel includes variable diameter passage and put-through channel, becomes
Footpath passage is positioned at the lower section of connected entrance, and the minimum diameter of variable diameter passage is more than the internal diameter of connected entrance, variable diameter passage
Internal diameter by being gradually reduced to the one end away from connected entrance near connected entrance one end；Put-through channel is positioned at reducing and leads to
The lower section in road also connects with variable diameter passage.
Preferably, in feed pathway, the one end away from inlet is provided with baffling chamber, and baffling chamber is positioned at connected entrance
Side.
Preferably, the shape of cross section in baffling chamber is arc.
Preferably, spool includes plug and the valve rod being connected with plug, and wherein, plug sets with valve rod junction
There is the patch for sealing, and the external diameter of patch is more than the maximum diameter of plug, being arranged over for right of patch
Patch carries out trim ring and the nut fastened.
Preferably, plug be shaped as top in shape.
Preferably, also include being sleeved on stem exterior and fixing the valve gap being connected with main body.
In the present invention, actuating unit includes membrane cover and push rod, be provided with in membrane cover controlled by signal pressure flexible
Diaphragm and be arranged on below diaphragm and fix the spring being connected with diaphragm, one end of push rod passes membrane cover and membrane cover
Internal diaphragm fixes connection and by carrying out upper and lower telescopic moving under the mating reaction of diaphragm and spring；Work as actuator
When signal pressure enters membrane cover, the diaphragm in membrane cover producing thrust, compression spring also makes push rod to moving down
Dynamic；When the counteracting force that spring produces and the thrust-balancing of diaphragm, push rod stops mobile；Work as signal pressure
Weakening, when the counteracting force that spring produces is more than the thrust of diaphragm, push rod moves up；Valve body fixedly mounts
In the bottom of support, valve body includes main body, valve seat and spool, be provided with in main body be interconnected feed pathway and
Liquid outlet channel, and form connected entrance in feed pathway and liquid outlet channel connectivity part, and the internal diameter of connected entrance is less than
The internal diameter of feed pathway, liquid outlet channel is positioned at the lower section of feed pathway, the axial line of liquid outlet channel be perpendicular to into
Liquid passage, makes fluid discharge more smooth, it is to avoid mud or particulate matter accumulate and produce knot in liquid outlet channel
Burnt and blocking channel, and the axial line of liquid outlet channel overlaps with the axial line of push rod, makes valve rod operation more flow
Freely；Liquid outlet channel includes variable diameter passage and put-through channel, and variable diameter passage is positioned at the lower section of connected entrance, and reducing leads to
The minimum diameter in road more than the internal diameter of connected entrance, the internal diameter of variable diameter passage by near connected entrance one end to away from even
One end of port is gradually reduced；Put-through channel is positioned at the lower section of variable diameter passage and connects with variable diameter passage；Work as stream
Body is poured in connected entrance by feed pathway, owing to the internal diameter of connected entrance is less than the internal diameter of inlet, so working as fluid
When flowing into this section, impulse force increases；When fluid is poured in variable diameter passage by connected entrance again, the internal diameter of variable diameter passage
More than the internal diameter of connected entrance, fluid is rushed at the inwall of variable diameter passage by momentum effect, thus is formed in passage
The souring of wall.
In sum, the present invention utilizes feed pathway, connected entrance and position and internal diameter change except liquid passage to increase
Added fluid circulation turbulence intensity, make fluid in the process of circulation, the duct wall flowed through be washed away,
Avoid mud or particulate matter in fluid to accumulate in runner, to produce coking and block runner；And in the present invention
Fluid flow passageway is streamlined, and droop loss is little, is particularly suitable for containing float and granular substance mass flow
Body or the regulation of high viscosity fluid.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of auto purification type pneumatic diaphragm control valve that the present invention proposes；
Fig. 2 is the structural representation of spool in a kind of auto purification type pneumatic diaphragm control valve that the present invention proposes.
Detailed description of the invention
Below, by specific embodiment, technical scheme is described in detail.
As shown in Figure 1-2, Fig. 1 is that the structure of a kind of auto purification type pneumatic diaphragm control valve that the present invention proposes is shown
It is intended to；Fig. 2 is the structural representation of spool in a kind of auto purification type pneumatic diaphragm control valve that the present invention proposes.
Reference Fig. 1-2, a kind of auto purification type pneumatic diaphragm control valve that the embodiment of the present invention proposes, including: power
Mechanism, support 1, valve body and valve gap 14, actuating unit is fixedly mounted on the top of support 1, actuating unit
Including membrane cover 2 and push rod 3, it is provided with in membrane cover 2 and is controlled flexible diaphragm 4 by signal pressure and be arranged on diaphragm
Fixing, below 4 and with diaphragm 4, the spring 5 being connected, one end of push rod 3 is through membrane cover 2 and membrane cover 2 internal membrane
Sheet 4 is fixing to be connected and by carrying out upper and lower telescopic moving under the mating reaction of diaphragm 4 and spring 5；Work as actuator
When signal pressure enters membrane cover, the diaphragm in membrane cover producing thrust, compression spring also makes push rod to moving down
Dynamic；When the counteracting force that spring produces and the thrust-balancing of diaphragm, push rod stops mobile；Work as signal pressure
Weakening, when the counteracting force that spring produces is more than the thrust of diaphragm, push rod moves up.
Valve body is fixedly mounted on the bottom of support 1, and valve body includes main body 6, valve seat 7 and spool 8, main body 6
Inside it is provided be interconnected feed pathway 9 and liquid outlet channel 10, and in feed pathway and liquid outlet channel 10 connectivity part
Form connected entrance, and the internal diameter of connected entrance is less than the internal diameter of feed pathway；Valve seat 7 is fixedly mounted on connected entrance
Place, spool 8 is connected with push rod 3 and coordinates the circulation area for controlling connected entrance with valve seat 7；Spool 8
Including plug 81 and the valve rod 82 that is connected with plug 81, wherein, plug 81 is provided with valve rod 82 junction
For the patch 11 sealed, and the external diameter of patch 11 is more than the maximum diameter of plug 81, and the top of patch 11 sets
Having the trim ring 12 for fastening patch 11 and nut 13, the setting of patch 11 can effectively strengthen spool
8 seals coordinated with valve seat 7；Valve gap 14 is sleeved on outside valve rod 82 and fixes with main body 6 and is connected.
Liquid outlet channel 10 is positioned at the lower section of feed pathway, and the axial line of liquid outlet channel 10 is perpendicular to feed pathway 9,
Fluid is made to discharge more smooth, it is to avoid mud or particulate matter accumulate and produce coking in liquid outlet channel 10 and block up
Fill in passage, and the axial line of liquid outlet channel 10 overlaps with the axial line of push rod 3, make valve rod run more smooth；
Liquid outlet channel 10 includes variable diameter passage 101 and put-through channel 102, and variable diameter passage 101 is positioned under connected entrance
Side, the minimum diameter of variable diameter passage 101 is more than the internal diameter of connected entrance, and the internal diameter of variable diameter passage 101 is by close
Connected entrance one end is gradually reduced to the one end away from connected entrance；Put-through channel 102 is positioned at variable diameter passage 101
Lower section also connects with variable diameter passage 101；When fluid is poured in connected entrance by feed pathway 9, due to connected entrance
Internal diameter is less than the internal diameter of inlet, so when fluid flows into this section, impulse force increases；When fluid is again by connecting
When mouth pours in variable diameter passage 101, the internal diameter of variable diameter passage 101 is more than the internal diameter of connected entrance, and fluid is by impulse force
Effect rushes at the inwall of variable diameter passage 101, thus forms the souring to vias inner walls.
In the present embodiment, in order to strengthen the scouring capability in fluid convection road, special in feed pathway 9 away from entering
One end of liquid mouth is provided with baffling chamber 91, and baffling chamber 91 is positioned at the side of connected entrance, and baffling chamber 91 is transversal
Face is shaped as arc；When connected entrance is opened, after fluid is poured in by feed pathway 9 and clashes into baffling chamber 91 inwall
Convolution forms eddy current at connected entrance, and can effectively strengthen fluid convection road washes away cleaning capacity.
Additionally, plug 81 in the present embodiment be shaped as top in shape.
The present invention utilizes feed pathway 9, connected entrance and position and internal diameter change except liquid passage to add fluid and exist
Circulation turbulence intensity, makes fluid wash away, in the process of circulation, the duct wall flowed through, it is to avoid in fluid
Mud or particulate matter accumulate and produce coking in runner and block runner.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention not office
Being limited to this, any those familiar with the art is in the technical scope that the invention discloses, according to this
The technical scheme of invention and inventive concept thereof in addition equivalent or change, all should contain the protection in the present invention
Within the scope of.
Claims (6)
1. an auto purification type pneumatic diaphragm control valve, it is characterised in that including: actuating unit, support (1)
And valve body, actuating unit is fixedly mounted on the top of support (1), and actuating unit includes membrane cover (2) and pushes away
Bar (3), is provided with in membrane cover (2) and is controlled flexible diaphragm (4) by signal pressure and be arranged on diaphragm (4)
Lower section the spring (5) that be connected fixing with diaphragm (4), one end of push rod (3) and membrane cover (2) internal membrane
Upper and lower telescopic moving is carried out under the fixing connection of sheet (4) the mating reaction by diaphragm (4) and spring (5)；
Valve body is fixedly mounted on the bottom of support (1), and valve body includes main body (6), valve seat (7) and spool
(8), it is provided with the feed pathway that is interconnected (9) and liquid outlet channel (10) in main body (6), and leads at feed liquor
Road and liquid outlet channel (10) connectivity part form connected entrance, and the internal diameter of connected entrance is less than the internal diameter of feed pathway；
Valve seat (7) is fixedly mounted at connected entrance, and spool (8) is connected with push rod (3) and joins with valve seat (7)
Share in the circulation area controlling connected entrance；
Liquid outlet channel (10) is positioned at the lower section of feed pathway, the axial line of liquid outlet channel (10) be perpendicular to into
Liquid passage (9), and the axial line of liquid outlet channel (10) overlaps with the axial line of push rod (3)；Liquid outlet channel
(10) including variable diameter passage (101) and put-through channel (102), variable diameter passage (101) is positioned at connected entrance
Lower section, the minimum diameter of variable diameter passage (101) more than the internal diameter of connected entrance, variable diameter passage (101)
Internal diameter is gradually reduced to the one end away from connected entrance by near connected entrance one end；Put-through channel (102) is positioned at change
The lower section of footpath passage (101) also connects with variable diameter passage (101).
Auto purification type pneumatic diaphragm control valve the most according to claim 1, it is characterised in that feed pathway
(9) on, the one end away from inlet is provided with baffling chamber (91), and baffling chamber (91) are positioned at the side of connected entrance.
Auto purification type pneumatic diaphragm control valve the most according to claim 2, it is characterised in that baffling chamber (91)
Shape of cross section be arc.
Auto purification type pneumatic diaphragm control valve the most according to claim 1, it is characterised in that spool (8)
Including plug (81) and the valve rod (82) that is connected with plug (81), wherein, plug (81) and valve rod (82)
Junction is provided with the patch (11) for sealing, and the external diameter of patch (11) is more than the maximum of plug (81)
Footpath, patch (11) be arranged over the trim ring (12) for patch (11) is fastened and nut (13).
Auto purification type pneumatic diaphragm control valve the most according to claim 4, it is characterised in that plug (81)
Be shaped as top in shape.
6. according to the auto purification type pneumatic diaphragm control valve according to any one of claim 1-5, it is characterised in that
Also include being sleeved on valve rod (82) outside the valve gap (14) that be connected fixing with main body (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510149418.3A CN106151545A (en) | 2015-03-30 | 2015-03-30 | A kind of auto purification type pneumatic diaphragm control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510149418.3A CN106151545A (en) | 2015-03-30 | 2015-03-30 | A kind of auto purification type pneumatic diaphragm control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106151545A true CN106151545A (en) | 2016-11-23 |
Family
ID=57337218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510149418.3A Pending CN106151545A (en) | 2015-03-30 | 2015-03-30 | A kind of auto purification type pneumatic diaphragm control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106151545A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469689A (en) * | 2019-08-28 | 2019-11-19 | 温州大阳科技有限公司 | A kind of waste water solenoid valve |
| CN110630759A (en) * | 2019-10-15 | 2019-12-31 | 永嘉企达知识产权咨询有限公司 | Prevent blockking up governing valve |
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| US20100258754A1 (en) * | 2009-04-10 | 2010-10-14 | Bradford Haines | Control valves and methods of flowing a material through a control valve |
| CN201679973U (en) * | 2010-04-12 | 2010-12-22 | 山东益龙阀门有限责任公司 | Self cleaning eddy current type angular regulation valve |
| CN202719158U (en) * | 2012-05-10 | 2013-02-06 | 重庆海王仪器仪表有限公司 | Regulating valve sealing structure |
| CN202756626U (en) * | 2012-06-19 | 2013-02-27 | 江苏兴亚船用阀门有限公司 | Flange type right-angle shut-off valve |
| EP2597342A1 (en) * | 2011-11-28 | 2013-05-29 | Alfa Laval Corporate AB | Seat valve with anti-fouling properties |
| CN203009847U (en) * | 2012-11-30 | 2013-06-19 | 吴忠仪表有限责任公司 | Novel black water angle valve |
| CN203585369U (en) * | 2013-11-28 | 2014-05-07 | 青岛海菲勒气控阀门有限公司 | Valve core sealing structure of angle seat valve |
| CN203686158U (en) * | 2013-11-20 | 2014-07-02 | 无锡智能自控工程股份有限公司 | Coking-resistant, impact-resistant and vibration-resistant black water adjusting angle valve special for use in coal chemical industry |
| CN103899763A (en) * | 2014-03-12 | 2014-07-02 | 哈尔滨工程大学 | Large-dive-depth Kinston valve with small valve opening force |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201462152U (en) * | 2008-12-10 | 2010-05-12 | 张承华 | Multi-source control valve |
| US20100258754A1 (en) * | 2009-04-10 | 2010-10-14 | Bradford Haines | Control valves and methods of flowing a material through a control valve |
| CN201679973U (en) * | 2010-04-12 | 2010-12-22 | 山东益龙阀门有限责任公司 | Self cleaning eddy current type angular regulation valve |
| EP2597342A1 (en) * | 2011-11-28 | 2013-05-29 | Alfa Laval Corporate AB | Seat valve with anti-fouling properties |
| CN202719158U (en) * | 2012-05-10 | 2013-02-06 | 重庆海王仪器仪表有限公司 | Regulating valve sealing structure |
| CN202756626U (en) * | 2012-06-19 | 2013-02-27 | 江苏兴亚船用阀门有限公司 | Flange type right-angle shut-off valve |
| CN203009847U (en) * | 2012-11-30 | 2013-06-19 | 吴忠仪表有限责任公司 | Novel black water angle valve |
| CN203686158U (en) * | 2013-11-20 | 2014-07-02 | 无锡智能自控工程股份有限公司 | Coking-resistant, impact-resistant and vibration-resistant black water adjusting angle valve special for use in coal chemical industry |
| CN203585369U (en) * | 2013-11-28 | 2014-05-07 | 青岛海菲勒气控阀门有限公司 | Valve core sealing structure of angle seat valve |
| CN103899763A (en) * | 2014-03-12 | 2014-07-02 | 哈尔滨工程大学 | Large-dive-depth Kinston valve with small valve opening force |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469689A (en) * | 2019-08-28 | 2019-11-19 | 温州大阳科技有限公司 | A kind of waste water solenoid valve |
| CN110630759A (en) * | 2019-10-15 | 2019-12-31 | 永嘉企达知识产权咨询有限公司 | Prevent blockking up governing valve |
| CN110630759B (en) * | 2019-10-15 | 2020-11-20 | 永嘉企达知识产权咨询有限公司 | Prevent blockking up governing valve |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20161123 |