CN110173576A - A kind of runner mouth face structure of high mass capture ratio valve body - Google Patents
A kind of runner mouth face structure of high mass capture ratio valve body Download PDFInfo
- Publication number
- CN110173576A CN110173576A CN201910578172.XA CN201910578172A CN110173576A CN 110173576 A CN110173576 A CN 110173576A CN 201910578172 A CN201910578172 A CN 201910578172A CN 110173576 A CN110173576 A CN 110173576A
- Authority
- CN
- China
- Prior art keywords
- runner
- valve body
- diaphragm
- valve
- runner mouth
- 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
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
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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
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
- F16K7/14—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat
- F16K7/17—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being actuated by fluid pressure
Abstract
The present invention relates to a kind of runner mouth face structures of high mass capture ratio valve body, mouth face structure for the runner being provided on valve body, the runner mouth cross sectional shape of the runner is bilateral symmetry, the runner mouth section upper end of the runner is wide, lower end is narrow, and the runner mouth section edge of the runner is arc.The present invention is by being optimized design to valve flowing channel structure, the dead angle for the medium that may deposit is not present in flow passage structure of the invention, to increase the negotiability of valve, optimization based on flow passage structure of the present invention simultaneously, the sealing area that valve needs sealing position is increased, the security reliability of valve seal is improved.Valve body structure of the invention eliminates the pressure relief groove at valve body sealing surface, pressure relief groove has been transferred on diaphragm assembly, the design of valve body pressure relief groove, the difficult point of technique are evaded, valve body notch is eliminated to concentrate the stress of diaphragm, a possibility that reducing diaphragm wear and destroying, improve the service life of diaphragm.
Description
Technical field
The present invention relates to a kind of valve body structures, more particularly, to a kind of runner mouth face structure of high mass capture ratio valve body.
Background technique
Nuclear leve M type straight way diaphragm valve is one of common diaphragm valve in current domestic nuclear power, which uses
Non-filling letter structure, diaphragm be used as in flange seal and valve sealing member, and the barrier as isolation valve body and valve deck, sealing
Securely and reliably.
The Chinese patent of Publication No. CN103527812A discloses a kind of pneumatic direct type diaphragm valve of nuclear leve M type, including valve
Body, diaphragm, flap, valve deck, valve rod, adjusting screw rod, hand wheel pole, handwheel, cylinder, bracket, indicating arm and guide plate；The valve
Body forms the space for accommodating flap after connecting with valve deck, and the diaphragm is located at the junction of valve body and valve deck, the valve rod
Lower end is connect with flap, and the valve rod upper end is connect with adjusting screw rod, and the adjusting screw rod upper end passes through cylinder and handwheel
Bar connection, the hand wheel pole upper end are connect with handwheel, and the cylinder is connect by bracket with valve deck, on the indicating arm
End is fixed on guide plate, and the indicating arm lower end is fixedly connected with valve deck, and the guide plate is connect with valve rod.
The Chinese patent of Publication No. CN204610894U discloses a kind of pneumatic direct type diaphragm valve of nuclear leve M type open type,
The diaphragm valve includes valve body, the valve deck being arranged on valve body, flap, valve rod, the bracket being arranged on valve deck, adjusting screw rod, gas
Cylinder, hand wheel pole and handwheel, the junction between the valve body and valve deck are equipped with diaphragm, and the bottom of valve rod passes through valve deck and flap
Connection, and be arranged in valve body, the top of valve rod passes through bracket and connect with adjusting screw rod, the adjusting screw rod upper end and handwheel
Bar connection, handwheel are arranged in the upper end of hand wheel pole, operation film, upper thin web and lower thin web, behaviour are equipped in the cylinder
The bottom for making film is equipped with upper thin web, and is connect by upper thin web with adjusting screw rod, operate film top be equipped with down it is thin
Diaphragm plate, and connect by lower thin web with hand wheel pole.
But M type straight way diaphragm valve generally existing discharge coefficient is low at present, flow resistance is big, diaphragm service life is short etc. asks
Topic.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of high mass capture ratio valves
The runner mouth face structure of body.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of runner mouth face structure of high mass capture ratio valve body, it is described for the mouth face structure for the runner being provided on valve body
The runner mouth cross sectional shape of runner is bilateral symmetry, and the runner mouth section upper end of the runner is wide, and lower end is narrow, and the stream
The runner mouth section edge in road is arc.
Further, runner mouth section the lowermost arc shape of the runner and valve body section the lowermost arc line shaped
The corresponding center of circle of shape is overlapped.
Further, runner mouth section the lowermost arc shape of the runner is arc-shaped.
Further, the arc length of runner mouth section the top of the runner be the runner runner mouth section most
The camber line of lower end corresponds to 1.01-1.2 times of diameter length.
Further, the runner is located at the bottom of valve body.
Further, there are gaps between the runner and the bottom of valve body.
Further, the upper space of the runner is the valve cavity for placing diaphragm.
Further, not set pressure relief groove on the valve body.
Further, valve body cooperation diaphragm uses, and pressure relief groove is arranged on the diaphragm, by the diaphragm perpendicular to
The open and close of valve and the adjusting of valve flow are realized in the lifting in runner direction.
Further, the valve body is the valve body of M type straight way diaphragm valve.
The present invention is by being optimized design to valve flowing channel structure, and there is no may siltation for flow passage structure of the invention
The dead angle of medium, to increase the negotiability of valve, while the optimization based on flow passage structure of the present invention, increasing valve is needed
The sealing area for wanting sealing position improves the security reliability of valve seal.
Valve body structure of the invention eliminates the pressure relief groove at valve body sealing surface, and pressure relief groove has been transferred to diaphragm assembly
On, evade the design of valve body pressure relief groove, the difficult point of technique, has eliminated valve body notch and the stress of diaphragm is concentrated, reduce diaphragm
A possibility that abrasion and destruction, improve the service life of diaphragm.
Compared with prior art, the invention has the following advantages:
1. the present invention is by being optimized design to valve flowing channel structure, so that the negotiability of valve flowing channel is strong, Cv
Value is high, and the valve body discharge coefficient after optimization significantly improves, and reduces the energy loss of fluid, improve valve negotiability and
Energy utilization rate.
2. reliable sealing and service life is long: as it appears from the above, the present invention, which while to improving cavity, increases valve, to be needed
The sealing area for wanting sealing position improves the reliability of sealing；Diaphragm working environment is improved simultaneously, avoids diaphragm close
Excessive extrusion deformation at cover, reduces the probability of diaphragm wear and destruction, to extend diaphragm service life.
3. valve body structure of the invention eliminates the pressure relief groove at valve body sealing surface, pressure relief groove diaphragm assembly has been transferred to
On, evade the design of valve body pressure relief groove, the difficult point of technique, has saved a large amount of cost, eliminate valve body notch and diaphragm is answered
A possibility that power is concentrated, and is reduced diaphragm wear and is destroyed, improves the service life of diaphragm.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of valve body of the present invention.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
The present embodiment is implemented premised on technical solution of the present invention, gives detailed embodiment and specific behaviour
Make process, but protection scope of the present invention is not limited to following embodiments.
With reference to Fig. 1, a kind of runner mouth face structure of high mass capture ratio valve body, for the mouth face for the runner 2 being provided on valve body 1
The runner mouth cross sectional shape of structure, the runner 2 is bilateral symmetry, and the runner mouth section upper end of the runner 2 is wide, lower end
It is narrow, and the runner mouth section edge of the runner 2 is arc.
In the present embodiment, the runner mouth section the lowermost arc shape and 1 section the lowermost arc of valve body of the runner 2
The corresponding center of circle of wire shaped is overlapped.Runner mouth section the lowermost arc shape of the runner 2 is arc-shaped.The runner 2
Runner mouth section the top arc length be the runner 2 runner mouth section the lowermost camber line correspond to diameter length
1.01-1.2 again.The runner 2 is located at the bottom of valve body 1.There are gaps between the runner 2 and the bottom of valve body 1.
In the present embodiment, the upper space of the runner 2 is the valve cavity 3 for placing diaphragm.On the valve body 1 not
Pressure relief groove is set.The valve body 1 cooperates diaphragm to use, and pressure relief groove is arranged on the diaphragm, by the diaphragm perpendicular to runner
The open and close of valve and the adjusting of valve flow are realized in the lifting in direction.
In the present embodiment, the valve body 1 is the valve body of M type straight way diaphragm valve.
The present embodiment is by being optimized design to valve flowing channel structure, and there is no may become silted up for flow passage structure of the invention
The dead angle of product medium increases valve to increase the negotiability of valve, while the optimization based on flow passage structure of the present invention
The sealing area for needing sealing position improves the security reliability of valve seal.
The valve body structure of the present embodiment eliminates the pressure relief groove at valve body sealing surface, and pressure relief groove has been transferred to diaphragm assembly
On, evade the design of valve body pressure relief groove, the difficult point of technique, has eliminated valve body notch and the stress of diaphragm is concentrated, reduce diaphragm
A possibility that abrasion and destruction, improve the service life of diaphragm.
Claims (10)
1. a kind of runner mouth face structure of high mass capture ratio valve body, for the mouth face structure for the runner (2) being provided on valve body (1),
It is characterized in that, the runner mouth cross sectional shape of the runner (2) is bilateral symmetry, the runner mouth section of the runner (2)
Upper end is wide, and lower end is narrow, and the runner mouth section edge of the runner (2) is arc.
2. a kind of runner mouth face structure of high mass capture ratio valve body according to claim 1, which is characterized in that the runner
(2) runner mouth section the lowermost arc shape center of circle corresponding with valve body (1) section the lowermost arc shape is overlapped.
3. a kind of runner mouth face structure of high mass capture ratio valve body according to claim 2, which is characterized in that the runner
(2) runner mouth section the lowermost arc shape is arc-shaped.
4. a kind of runner mouth face structure of high mass capture ratio valve body according to claim 3, which is characterized in that the runner
(2) arc length of runner mouth section the top is that runner mouth section the lowermost camber line of the runner (2) corresponds to diameter
1.01-1.2 times of length.
5. a kind of runner mouth face structure of high mass capture ratio valve body according to claim 1, which is characterized in that the runner
(2) it is located at the bottom of valve body (1).
6. a kind of runner mouth face structure of high mass capture ratio valve body according to claim 5, which is characterized in that the runner
(2) there are gaps between the bottom of valve body (1).
7. a kind of runner mouth face structure of high mass capture ratio valve body according to claim 1, which is characterized in that the runner
(2) upper space is the valve cavity (3) for placing diaphragm.
8. a kind of runner mouth face structure of high mass capture ratio valve body according to claim 1, which is characterized in that the valve body
(1) not set pressure relief groove on.
9. a kind of runner mouth face structure of high mass capture ratio valve body according to claim 8, which is characterized in that the valve body
(1) cooperation diaphragm uses, and pressure relief groove is arranged on the diaphragm, by the diaphragm perpendicular to the lifting in runner direction, realizes valve
The open and close of door and the adjusting of valve flow.
10. a kind of runner mouth face structure of high mass capture ratio valve body according to claim 1, which is characterized in that the valve
Body (1) is the valve body of M type straight way diaphragm valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910578172.XA CN110173576A (en) | 2019-06-28 | 2019-06-28 | A kind of runner mouth face structure of high mass capture ratio valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910578172.XA CN110173576A (en) | 2019-06-28 | 2019-06-28 | A kind of runner mouth face structure of high mass capture ratio valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110173576A true CN110173576A (en) | 2019-08-27 |
Family
ID=67699419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910578172.XA Pending CN110173576A (en) | 2019-06-28 | 2019-06-28 | A kind of runner mouth face structure of high mass capture ratio valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110173576A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB806745A (en) * | 1954-05-10 | 1958-12-31 | Hills Mccanna Co | Improvements in diaphragm valves |
| US20040084647A1 (en) * | 2000-09-20 | 2004-05-06 | Josef Beden | Valve |
| CN201382179Y (en) * | 2009-04-16 | 2010-01-13 | 浙江维兰特流体科技有限公司 | Sterile-type diaphragm valve |
| CN204083445U (en) * | 2014-09-03 | 2015-01-07 | 宁波开灵气动元件制造有限公司 | Large discharge direct-acting type often drives solenoid valve used for air compressor |
| CN210290828U (en) * | 2019-06-28 | 2020-04-10 | 上海阀门五厂有限公司 | Flow passage opening surface structure of high flow coefficient valve body |
-
2019
- 2019-06-28 CN CN201910578172.XA patent/CN110173576A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB806745A (en) * | 1954-05-10 | 1958-12-31 | Hills Mccanna Co | Improvements in diaphragm valves |
| US20040084647A1 (en) * | 2000-09-20 | 2004-05-06 | Josef Beden | Valve |
| CN201382179Y (en) * | 2009-04-16 | 2010-01-13 | 浙江维兰特流体科技有限公司 | Sterile-type diaphragm valve |
| CN204083445U (en) * | 2014-09-03 | 2015-01-07 | 宁波开灵气动元件制造有限公司 | Large discharge direct-acting type often drives solenoid valve used for air compressor |
| CN210290828U (en) * | 2019-06-28 | 2020-04-10 | 上海阀门五厂有限公司 | Flow passage opening surface structure of high flow coefficient valve body |
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