CN107869598A - A kind of Pneumatic piston diaphragm valve - Google Patents
A kind of Pneumatic piston diaphragm valve Download PDFInfo
- Publication number
- CN107869598A CN107869598A CN201610856866.1A CN201610856866A CN107869598A CN 107869598 A CN107869598 A CN 107869598A CN 201610856866 A CN201610856866 A CN 201610856866A CN 107869598 A CN107869598 A CN 107869598A
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- cylinder
- barrier film
- bonnet
- valve
- 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
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
- 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
- F16K7/126—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 the seat being formed on a rib perpendicular to the fluid line
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0236—Diaphragm cut-off apparatus
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The invention discloses a kind of Pneumatic piston diaphragm valve, including valve body, bonnet, barrier film, briquetting, valve rod, air cylinder board, spring washer, cylinder body, piston, sealing ring and piston rod, the air cylinder board includes cylinder upper plate and cylinder lower plate, sealing ring includes the first sealing ring, second sealing ring and the 3rd sealing ring, cylinder upper plate and cylinder lower plate are fixed on cylinder body using soket head cap screw and spring washer, cylinder lower plate is connected by swivel nut with valve body, it is provided with valve body between bonnet and valve body and bonnet and barrier film is installed, barrier film is compressed using briquetting and fixed using studs and the first nut, banana plate is provided between barrier film and briquetting, barrier film is made using flexible material.The barrier film of flexible material making is provided between the valve body and bonnet of the device and is locked using briquetting, body cavity is separated with bonnet inner chamber, the part of top is not by dielectric corrosion；The device is furnished with hand gear, can use hand gear immediately when powering off, dying, and safety in utilization is good.
Description
Technical field
The present invention relates to a kind of valve, specifically a kind of Pneumatic piston diaphragm valve.
Background technology
Valve is the control unit in fluid delivery system, has cut-off, regulation, water conservancy diversion, prevents adverse current, voltage stabilizing, shunting
Or the function such as overflow pressure relief.For the valve of fluid control systems, from simplest stop valve to extremely complex robot control system(RCS)
In used various valves, its kind and specification are quite various.Valve can be used for controlling empty gas and water, steam, various corrosivity to be situated between
The flowing of all kinds fluid such as matter, mud, oil product, liquid metal and radiating medium.Diaphragm valve is one kind of valve, and it is opened
Closing member is the barrier film made of flexible material, and body cavity and bonnet inner chamber are separated, made the part of diaphragm not by medium
Corrode, rubber and plastics can be served as a contrast as needed in valve body, corrosion resistance is strong, is widely used to oil, chemical industry, electric power, doctor
The departments such as medicine, environmental protection.The processing safety of existing diaphragm valve is bad, and this just brings inconvenience for user.
The content of the invention
It is an object of the invention to provide a kind of Pneumatic piston diaphragm valve, is asked with solve to propose in above-mentioned background technology
Topic.
To achieve the above object, the present invention provides following technical scheme：
A kind of Pneumatic piston diaphragm valve, including valve body, bonnet, barrier film, briquetting, valve rod, air cylinder board, spring washer, cylinder body, work
Plug, sealing ring and piston rod, the air cylinder board include cylinder upper plate and cylinder lower plate, and sealing ring includes the first sealing ring, second
Sealing ring and the 3rd sealing ring, the upper end of cylinder body are provided with the inside of cylinder upper plate and piston rod insertion cylinder body, in cylinder body
Portion is provided with cylinder lower plate, and cylinder upper plate and cylinder lower plate are fixed on cylinder body using soket head cap screw and spring washer, piston rod
Lower end be connected with valve rod and fixed using the second nut, piston and piston are provided between the second nut and cylinder lower plate
It is connected with spring, the second sealing ring is provided between piston and cylinder body, the 3rd sealing ring, valve is provided between piston and piston rod
The first sealing ring is provided between bar and cylinder lower plate, cylinder lower plate is connected by swivel nut with valve body, and bonnet is provided with valve body
And barrier film is installed between valve body and bonnet, barrier film is compressed using briquetting and fixed using studs and the first nut,
Banana plate is provided between barrier film and briquetting, barrier film is made using flexible material.
As the further scheme of the present invention：It is connected between valve body and bonnet by the way of welding.
As the further scheme of the present invention：First sealing ring, the second sealing ring and the 3rd sealing ring use O-ring,
Briquetting is shaped as the shape of a saddle.
As the further scheme of the present invention：Valve body and bonnet are made using stainless steel material, the first sealing ring, second
Sealing ring and the 3rd sealing ring are made using silica gel or elastomeric material.
Compared with prior art, the beneficial effects of the invention are as follows：The apparatus structure is simple, reasonable in design, and detachability is good,
It is easily installed and changes；Fault rate is low, good operation stability, and flexible material making is provided between the valve body and bonnet of the device
Barrier film and using briquetting lock, body cavity is separated with bonnet inner chamber, the part of top is not by dielectric corrosion；The device
Equipped with hand gear, hand gear can be used immediately when powering off, dying, safety in utilization is good.
Brief description of the drawings
Fig. 1 is the structural representation of Pneumatic piston diaphragm valve.
Wherein：1- valve bodies, 2- barrier films, 3- banana plates, 4- briquettings, 5- valve rods, 6- studs, the nuts of 7- first, 8- spiral shells
Set, 9- cylinder lower plates, 10- soket head cap screws, 11- spring washers, 12- cylinder bodies, 13- pistons, 14- springs, the nuts of 15- second, 16- the
One sealing ring, the sealing rings of 17- second, the sealing rings of 18- the 3rd, 19- cylinder upper plates, 20- piston rods.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Referring to Fig. 1, a kind of Pneumatic piston diaphragm valve, including valve body 1, bonnet, barrier film 2, briquetting 4, valve rod 5, cylinder
Plate, spring washer 11, cylinder body 12, piston 13, sealing ring and piston rod 20, the air cylinder board include cylinder upper plate 19 and cylinder lower plate 9,
Sealing ring includes the first sealing ring 16, the second sealing ring 17 and the 3rd sealing ring 18, and the upper end of cylinder body 12 is provided with cylinder upper plate
19 and piston rod 20 insert the inside of cylinder body 12, the middle part of cylinder body 12 is provided with cylinder lower plate 9, under cylinder upper plate 19 and cylinder
Plate 9 is fixed on cylinder body 12 using soket head cap screw 10 and spring washer 11, and the lower end of piston rod 20 is connected with valve rod 5 and used
Second nut 15 is fixed, and piston 13 is provided between the second nut 15 and cylinder lower plate 9 and piston 13 is connected with spring 14, living
The second sealing ring 17 is provided between plug 13 and cylinder body 12, the 3rd sealing ring 18, valve are provided between piston 13 and piston rod 20
The first sealing ring 16 is provided between bar 5 and cylinder lower plate 9, cylinder lower plate 9 is connected with valve body 1 by swivel nut 8, pacified on valve body 1
Equipped with barrier film 2 is provided between bonnet and valve body 1 and bonnet, barrier film 2 is compressed using briquetting 4 and is used the He of studs 6
First nut 7 is fixed, and banana plate 3 is provided between barrier film 2 and briquetting 4, and barrier film 2 is made using flexible material.Valve body 1 and bonnet
Between using welding by the way of be connected.First sealing ring 16, the second sealing ring 17 and the 3rd sealing ring 18 use O-ring, pressure
Block 4 is shaped as the shape of a saddle.Valve body 1 and bonnet are made using stainless steel material, the first sealing ring 16, the and of the second sealing ring 17
3rd sealing ring 18 is made using silica gel or elastomeric material.
The present invention operation principle be：Barrier film 2 made of useful flexible material between valve body 1 and bonnet, makes the inner chamber of valve body 1
Separated with bonnet inner chamber, the part of top is not by dielectric corrosion；The keying of the device is made by handwheel or pneumatic, electric device
Valve rod 5 moves up and down, and so as to drive barrier film 2 and flap to act together, reaches opening and closing purpose；The device is equipped with dress manually
Put, hand gear can be used immediately when powering off, dying, securely and reliably.
The apparatus structure is simple, reasonable in design, and detachability is good, is easily installed and changes；Fault rate is low, operation stability
It is good, the barrier film 2 of flexible material making is provided between the valve body 1 and bonnet of the device and is locked using briquetting 4, makes valve body 1
Inner chamber separates with bonnet inner chamber, and the part of top is not by dielectric corrosion；The device is furnished with hand gear, can when powering off, dying
Use hand gear immediately, safety in utilization is good.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, can also be on the premise of this patent objective not be departed from one skilled in the relevant art's possessed knowledge
Make a variety of changes.
Claims (4)
1. a kind of Pneumatic piston diaphragm valve, it is characterised in that including valve body, bonnet, barrier film, briquetting, valve rod, air cylinder board, bullet
Pad, cylinder body, piston, sealing ring and piston rod, the air cylinder board include cylinder upper plate and cylinder lower plate, and it is close that sealing ring includes first
Seal, the second sealing ring and the 3rd sealing ring, the upper end of cylinder body are provided with the inside of cylinder upper plate and piston rod insertion cylinder body,
Cylinder lower plate is provided with the middle part of cylinder body, cylinder upper plate and cylinder lower plate are fixed on cylinder body using soket head cap screw and spring washer
On, the lower end of piston rod is connected with valve rod and fixed using the second nut, and work is provided between the second nut and cylinder lower plate
Fill in and piston is connected with spring, the second sealing ring is provided between piston and cylinder body, the is provided between piston and piston rod
Three sealing rings, the first sealing ring is provided between valve rod and cylinder lower plate, cylinder lower plate is connected by swivel nut with valve body, on valve body
It is provided between bonnet and valve body and bonnet and barrier film is installed, barrier film is compressed using briquetting and uses studs and first
Nut is fixed, and banana plate is provided between barrier film and briquetting, and barrier film is made using flexible material.
2. Pneumatic piston diaphragm valve according to claim 1, it is characterised in that using weldering between the valve body and bonnet
The mode connect is connected.
3. Pneumatic piston diaphragm valve according to claim 1 or 2, it is characterised in that first sealing ring, second close
Seal and the 3rd sealing ring use O-ring, and briquetting is shaped as the shape of a saddle.
4. Pneumatic piston diaphragm valve according to claim 1, it is characterised in that the valve body and bonnet are using stainless
Steel material is made, and the first sealing ring, the second sealing ring and the 3rd sealing ring are made using silica gel or elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856866.1A CN107869598A (en) | 2016-09-28 | 2016-09-28 | A kind of Pneumatic piston diaphragm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856866.1A CN107869598A (en) | 2016-09-28 | 2016-09-28 | A kind of Pneumatic piston diaphragm valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107869598A true CN107869598A (en) | 2018-04-03 |
Family
ID=61751412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610856866.1A Pending CN107869598A (en) | 2016-09-28 | 2016-09-28 | A kind of Pneumatic piston diaphragm valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107869598A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578806A (en) * | 2019-09-30 | 2019-12-17 | 上海龙猛机械有限公司 | Shock attenuation back pressure valve |
| CN112212030A (en) * | 2020-11-03 | 2021-01-12 | 安徽龙泽实业有限公司 | Pneumatic diaphragm valve |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101012890A (en) * | 2007-02-13 | 2007-08-08 | 万若（北京）环境工程技术有限公司 | Piston type negative pressure valve used for conveying sewage water |
| CN203115167U (en) * | 2013-01-28 | 2013-08-07 | 浙江康赛特阀门有限公司 | Pneumatic aluminium alloy actuator diaphragm valve |
| CN106195323A (en) * | 2016-07-12 | 2016-12-07 | 浙江鼎耐塑胶管阀有限公司 | A kind of Pneumatic piston diaphragm valve |
-
2016
- 2016-09-28 CN CN201610856866.1A patent/CN107869598A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101012890A (en) * | 2007-02-13 | 2007-08-08 | 万若（北京）环境工程技术有限公司 | Piston type negative pressure valve used for conveying sewage water |
| CN203115167U (en) * | 2013-01-28 | 2013-08-07 | 浙江康赛特阀门有限公司 | Pneumatic aluminium alloy actuator diaphragm valve |
| CN106195323A (en) * | 2016-07-12 | 2016-12-07 | 浙江鼎耐塑胶管阀有限公司 | A kind of Pneumatic piston diaphragm valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578806A (en) * | 2019-09-30 | 2019-12-17 | 上海龙猛机械有限公司 | Shock attenuation back pressure valve |
| CN110578806B (en) * | 2019-09-30 | 2024-04-05 | 上海龙猛机械有限公司 | Damping back pressure valve |
| CN112212030A (en) * | 2020-11-03 | 2021-01-12 | 安徽龙泽实业有限公司 | Pneumatic diaphragm valve |
| CN112212030B (en) * | 2020-11-03 | 2023-06-20 | 安徽龙泽实业有限公司 | Pneumatic diaphragm valve |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180403 |
|
| RJ01 | Rejection of invention patent application after publication |