CN209278608U - A kind of willing pneumatic control valve - Google Patents
A kind of willing pneumatic control valve Download PDFInfo
- Publication number
- CN209278608U CN209278608U CN201821531023.5U CN201821531023U CN209278608U CN 209278608 U CN209278608 U CN 209278608U CN 201821531023 U CN201821531023 U CN 201821531023U CN 209278608 U CN209278608 U CN 209278608U
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- CN
- China
- Prior art keywords
- control cabinet
- valve
- fixed
- valve rod
- lower chamber
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- 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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- Fluid-Driven Valves (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of willing pneumatic control valves, including valve body, valve rod, control cabinet, diaphragm, upper cavity, lower chamber, communicating pipe, air bag, the valve body is equipped with a valve rod, a control cabinet is equipped with above valve body, valve rod protrudes into control cabinet from the bottom of control cabinet, valve stem top is fixed with a top plate, a block film piece is equipped in the control cabinet, control cabinet is divided into upper cavity and lower chamber by diaphragm, diaphragm is mutually fixed with top plate, the upper cavity top is equipped with an air inlet, the top plate bottom is fixed with a main spring, main spring covers on valve rod, main spring bottom is fixed in the inner bottom wall of lower chamber, the cavity of resorption body sidewall is equipped with a communicating pipe.The utility model is by the way that air bag to be connected with lower chamber, so that the intracorporal air pressure of cavity of resorption is consistent with ambient pressure substantially always, so that diaphragm excessive will not be influenced by pressure in lower chamber, so that pneumatic control valve is swift in response.
Description
[technical field]
The utility model relates to the technical fields of the technical field of valve, especially pneumatic control valve.
[background technique]
Control valve is made of two main sub-assemblies: valve body sub-assembly and executing agency's sub-assembly (or system, executing agency
System), it is divided into four big series: single seat series of control valves, two-seater series of control valves, sleeve series of control valves and the control of self-operated type series
Valve.The mutation of four seed type valves can lead to various different applicable structures, application that every kind of structure has its special,
Feature, merits and demerits.Although certain control valves have wider application operating condition compared with other valves, control valve can not be applicable in institute
Some operating conditions, the best solution that performance is enhanced with common building, reduces cost.Pneumatic control valve is a kind of common control
Valve.Existing pneumatic control valve reaction is not rapid enough, can not good meet demand.
[utility model content]
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of willing pneumatic control
Valve can make control valve be swift in response.
To achieve the above object, the utility model proposes a kind of willing pneumatic control valves, including valve body, valve
Bar, control cabinet, diaphragm, upper cavity, lower chamber, communicating pipe, air bag, the valve body are equipped with a valve rod, are equipped with above valve body
One control cabinet, valve rod protrude into control cabinet from the bottom of control cabinet, and valve stem top is fixed with a top plate, in the control cabinet
Equipped with a block film piece, control cabinet is divided into upper cavity and lower chamber by diaphragm, and diaphragm is mutually fixed with top plate, and the upper cavity top is set
There is an air inlet, the top plate bottom is fixed with a main spring, and main spring covers on valve rod, and main spring bottom is fixed on down
In the inner bottom wall of cavity, the cavity of resorption body sidewall is equipped with a communicating pipe, and connection pipe end is fixed with an expandable gas
Capsule.
Preferably, the upper cavity inner wall be equipped with a first pressure sensing device, first pressure sensing device with
Remotely located remote console signals are connected.
Preferably, being fixed with a dustband on the bottom wall of the control cabinet, dustband surrounds valve rod.
Preferably, the valve rod is equipped with a stop collar, stop collar is located at the lower section of control cabinet, and valve rod is in normal
The bottom wall of control cabinet is close in stop collar upper surface when the highest point of operation.
Preferably, the stop collar bottom is fixed with a secondary spring, secondary spring covers on valve rod, secondary spring
End is fixed with a second pressure sensing device, and second pressure sensing device is fixed on valve body, second pressure sensing device
It is connected with remotely located remote console signals.
The utility model has the beneficial effects that the utility model is by the way that air bag to be connected with lower chamber, so that in lower chamber
Air pressure be consistent substantially with ambient pressure always so that diaphragm will not be excessive be influenced by pressure in lower chamber, make
Pneumatic control valve is obtained to be swift in response；The setting of stop collar is not so that valve rod and valve inner structure be easily damaged；First pressure induction
The setting of device, second pressure sensing device is so that control valve can be controlled preferably.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of main view of willing pneumatic control valve of the utility model.
In figure: 1- valve body, 2- valve rod, 3- control cabinet, 20- top plate, 21- main spring, 25- stop collar, 26- secondary spring,
27- second pressure sensing device, 30- diaphragm, 31- upper cavity, 32- air inlet, 33- first pressure sensing device, 35- cavity of resorption
Body, 36- communicating pipe, 37- air bag, 38- dustband.
[specific embodiment]
Refering to fig. 1, a kind of willing pneumatic control valve of the utility model, including valve body 1, valve rod 2, control cabinet 3, film
Piece 30, upper cavity 31, lower chamber 35, communicating pipe 36, air bag 37, the valve body 1 are equipped with a valve rod 2, set above valve body 1
There is a control cabinet 3, valve rod 2 protrudes into control cabinet 3 from the bottom of control cabinet 3, and a top plate 20, institute are fixed at the top of valve rod 2
It states and is equipped with a block film piece 30 in control cabinet 3, control cabinet 3 is divided into upper cavity 31 and lower chamber 35, diaphragm 30 and top plate by diaphragm 30
20 phases are fixed, and 31 top of upper cavity is equipped with an air inlet 32, and 20 bottom of top plate is fixed with a main spring 21, main
21 sets of spring on valve rod 2,21 bottom of main spring is fixed in the inner bottom wall of lower chamber 35, and 35 side wall of lower chamber is equipped with
One communicating pipe 36, communicating pipe, 36 end was fixed with an expandable air bag 37, and 31 inner wall of upper cavity is equipped with one
First pressure sensing device 33, first pressure sensing device 33 are connected with remotely located remote console signals, the control
A dustband 38 is fixed on the bottom wall of case 3, dustband 38 surrounds valve rod 2, and the valve rod 2 is equipped with a stop collar 25,
Stop collar 25 is located at the lower section of control cabinet 3, and control cabinet is close in 25 upper surface of stop collar when valve rod 2 is in the highest point operated normally
3 bottom wall, 25 bottom of stop collar are fixed with a secondary spring 26,26 sets of secondary spring on valve rod 2, secondary spring 26
End is fixed with a second pressure sensing device 27, and second pressure sensing device 27 is fixed on valve body 1, second pressure induction
Device 27 is connected with remotely located remote console signals.
Utility model works process:
During the work time, air bag 37 is connected a kind of willing pneumatic control valve of the utility model with lower chamber 35
It is logical, so that the air pressure in lower chamber 35 is consistent with ambient pressure substantially always, so that diaphragm 30 will not be excessive by under
The influence of pressure in cavity 35, so that pneumatic control valve is swift in response；The setting of stop collar 25 is so that inside valve rod 2 and valve body 1
Structure is not easily damaged；The setting of first pressure sensing device 32, second pressure sensing device 27 is so that control valve can be better
Control.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, and any pair of sheet is practical new
Scheme after type simple transformation belongs to the protection scope of the utility model.
Claims (5)
1. a kind of willing pneumatic control valve, it is characterised in that: including valve body (1), valve rod (2), control cabinet (3), diaphragm
(30), upper cavity (31), lower chamber (35), communicating pipe (36), air bag (37), the valve body (1) are equipped with a valve rod (2),
A control cabinet (3) is equipped with above valve body (1), valve rod (2) protrudes into control cabinet (3) from the bottom of control cabinet (3), valve rod (2)
Top is fixed with a top plate (20), and a block film piece (30) is equipped in the control cabinet (3), and diaphragm (30) divides control cabinet (3)
At upper cavity (31) and lower chamber (35), diaphragm (30) is mutually fixed with top plate (20), and upper cavity (31) top is equipped with one
Air inlet (32), top plate (20) bottom are fixed with a main spring (21), and main spring (21) covers on valve rod (2), main bullet
Spring (21) bottom is fixed in the inner bottom wall of lower chamber (35), and lower chamber (35) side wall is equipped with a communicating pipe (36),
Communicating pipe (36) end is fixed with an expandable air bag (37).
2. a kind of willing pneumatic control valve as described in claim 1, it is characterised in that: upper cavity (31) inner wall
It is equipped with a first pressure sensing device (33), first pressure sensing device (33) and remotely located remote console signals
It is connected.
3. a kind of willing pneumatic control valve as described in claim 1, it is characterised in that: the bottom of the control cabinet (3)
A dustband (38) is fixed on wall, dustband (38) surrounds valve rod (2).
4. a kind of willing pneumatic control valve as described in claim 1, it is characterised in that: the valve rod (2) is equipped with
One stop collar (25), stop collar (25) are located at the lower section of control cabinet (3), and valve rod (2) is in the highest point time limit operated normally
It is close to the bottom wall of control cabinet (3) in position ring (25) upper surface.
5. a kind of willing pneumatic control valve as claimed in claim 4, it is characterised in that: stop collar (25) bottom
It is fixed with a secondary spring (26), secondary spring (26) covers on valve rod (2), and secondary spring (26) end is fixed with one
Two pressure sensitive devices (27), second pressure sensing device (27) are fixed on valve body (1), second pressure sensing device (27) with
Remotely located remote console signals are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821531023.5U CN209278608U (en) | 2018-09-19 | 2018-09-19 | A kind of willing pneumatic control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821531023.5U CN209278608U (en) | 2018-09-19 | 2018-09-19 | A kind of willing pneumatic control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209278608U true CN209278608U (en) | 2019-08-20 |
Family
ID=67603588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821531023.5U Active CN209278608U (en) | 2018-09-19 | 2018-09-19 | A kind of willing pneumatic control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209278608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113812347A (en) * | 2021-09-06 | 2021-12-21 | 中国人民解放军海军特色医学中心 | Suit cabin adds decompression system |
-
2018
- 2018-09-19 CN CN201821531023.5U patent/CN209278608U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113812347A (en) * | 2021-09-06 | 2021-12-21 | 中国人民解放军海军特色医学中心 | Suit cabin adds decompression system |
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