CN109555893A - A kind of adjustable Discrete control pneumatic stopping valve - Google Patents
A kind of adjustable Discrete control pneumatic stopping valve Download PDFInfo
- Publication number
- CN109555893A CN109555893A CN201811546631.8A CN201811546631A CN109555893A CN 109555893 A CN109555893 A CN 109555893A CN 201811546631 A CN201811546631 A CN 201811546631A CN 109555893 A CN109555893 A CN 109555893A
- Authority
- CN
- China
- Prior art keywords
- shell
- fixedly connected
- discrete control
- valve
- connecting rod
- 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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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
- 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
- F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
-
- 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
- F16K31/1223—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being acted upon by the circulating fluid
-
- 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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
Abstract
The invention discloses a kind of adjustable Discrete control pneumatic stopping valves, including place shell, bracket, storage case, touch display screen, connecting rod, connection shell, valve rod, terminal pad, valve, flange, push plate, displacement sensor, spring, the first tracheae, set casing, micro air pump, the second tracheae, connecting shaft, pressure sensor, air pressure probe, processor, controller and power connection.This kind of adjustable Discrete control pneumatic stopping valve structure is simple, novel in design, convenient for being equipped with accurate regulating device, valve can be made to realize zero to one hundred Discrete control, worker is facilitated to operate, improve the whole service performance of device, convenient for worker's use, under the action of the processor, controller and display screen of setting, convenient for worker's manual operation, the unfailing performance of device is improved, is convenient for automatic adjustment valve rod amount of movement, facilitate control valve, the pressure that gas in shell is placed convenient for detection, facilitates worker to operate, and is conducive to use.
Description
Technical field
The present invention relates to a kind of pneumatic stopping valve, specifically a kind of adjustable Discrete control pneumatic stopping valve belongs to fluid
Control applied technical field.
Background technique
Operated pneumatic valve is exactly the valve by compressed air-driven, i.e., gas source executes to drive, and realizes that the opening and closing of valve is dynamic
Make；In Vehicles Collected from Market economic environment, pneumatic operated valve manufacturing firm in order to product competition, respectively in pneumatic operated valve Uniting
Under design, different innovations is carried out, keeps pneumatic control valve type also various, if any diaphragm type, piston type and pinion and-rack
Etc. diversified forms, so as to form respective company standard and product.
Existing some operated pneumatic valves are still incomplete for whole aspect, and pneumatic operated valve also needs further to improve it
Performance, and be not able to satisfy the demand of user, the disadvantages of control precision is lower, inconvenient realizations Discrete control is with adjusting.Therefore,
A kind of adjustable Discrete control pneumatic stopping valve is proposed regarding to the issue above.
Summary of the invention
The object of the invention is that providing a kind of adjustable Discrete control pneumatic stopping valve to solve the above-mentioned problems.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of adjustable Discrete control pneumatic stopping valve, packet
It includes and places shell, bracket, storage case, connection shell, set casing, pneumatic actuator and regulating mechanism；
The placement shell bottom is fixedly connected with bracket, and frame bottom is fixedly connected with flange；It is sliding in the placement shell
It is dynamic to be connected with push plate, and place shell basal sliding and be connected with connecting rod；The bracket side surface is fixedly connected with storage case, and stores
Shell side is equipped with the set casing being fixedly connected with bracket；The storage case surface is fixedly connected with touch display screen, and storage case
Right side is fixedly connected with power connection；The frame bottom is connected with flange, and the connection shell that frame bottom is fixedly connected；
The pneumatic actuator includes set casing, micro air pump, the first tracheae and the second tracheae, and solid in set casing
Surely it is connected with micro air pump；Described micro air pump one end is connected to the fixation of first tracheae one end, and the first tracheae end and placement
The fixed connection of shell inner cavity top；The micro air pump other end is connected to the fixation of the second tracheae, and the second tracheae end and placement
The fixed connection of shell intracavity bottom；
The regulating mechanism includes push plate, connecting rod, connecting shaft and valve rod, and push plate is slidably connected at and places shell inner cavity
In；The push plate bottom is fixedly connected with connecting rod top, and connecting rod bottom end is fixedly connected through flange with connecting shaft；The connection
Axis bottom end is fixedly connected with valve rod；The connection shell bottom is fixedly connected with valve；The valve stem tip runs through flange and connecting rod
It is fixedly connected.
Preferably, the placement shell is engaged by the identical shell of two structures, and is led between two shell contact surfaces
Cross fixing bolt connection.
Preferably, displacement sensor is fixedly connected at the top of the placement shell, and displacement sensor output end and push plate are solid
Fixed connection.
Preferably, the processor being equipped in the touch display screen and storage case is electrically connected, the processor and storage
The controller being equipped in shell is electrically connected.
Preferably, the pressure sensor in the air pressure probe and storage case is electrically connected, and pressure sensor and processing
Device is electrically connected.
Preferably, the push plate bottom is connected by being socketed in the spring of rod surface and placing shell intracavity bottom inner wall elasticity
It connects.
Preferably, the push plate is slidably connected with shell inner cavity is placed, and is fixedly connected with connecting rod in the middle part of push plate bottom side.
Preferably, the valve stem end is connect through connection shell and valve with the spool in valve.
Preferably, the power connection and processor, controller, touch display screen, pressure sensor, micro air pump and
Displacement sensor is electrically connected.
Preferably, the connecting rod is in the middle part of flange, and connecting rod is slidably connected with flange.
The beneficial effects of the present invention are:
1. this kind of adjustable Discrete control pneumatic stopping valve structure is simple, novel in design, convenient for being equipped with accurate regulating device,
Valve can be made to realize zero to one hundred Discrete control, facilitate worker to operate, improve the whole service performance of device, be convenient for work
Author uses；
2. when in use, being grasped manually under the action of by the processor of setting, controller and display screen convenient for worker
Make, improve the unfailing performance of device, be convenient for automatic adjustment valve rod amount of movement, facilitate control valve, places shell convenient for detection
The pressure of interior gas, facilitates worker to operate, and is conducive to use；
3. when in use, anufacturability is good, the scope of application is wider, reduces the use of operated pneumatic valve structural member, improves valve
The whole service performance of door, reduces the production cost of valve, and practical value is higher, is suitble to promote the use of.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is overall structure of the present invention；
Fig. 2 is unitary side surface texture schematic diagram of the present invention；
Fig. 3 is storage case interconnection structure schematic diagram of the present invention；
Fig. 4 is operation principle schematic diagram of the present invention.
In figure: 1, placement shell, 2, bracket, 3, storage case, 4, touch display screen, 5, connecting rod, 6, connection shell, 7, valve rod, 8,
Terminal pad, 9, valve, 10, flange, 11, push plate, 12, displacement sensor, 13, spring, the 14, first tracheae, 15, set casing, 16,
Micro air pump, the 17, second tracheae, 18, connecting shaft, 19, pressure sensor, 20, air pressure probe, 21, processor, 22, controller,
23, power connection.
Specific embodiment
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that disclosed below
Embodiment be only a part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
Those of ordinary skill's all other embodiment obtained without making creative work, belongs to protection of the present invention
Range.
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "top", "bottom", "inner", "outside" etc. indicate
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
It please refers to shown in Fig. 1-4, a kind of adjustable Discrete control pneumatic stopping valve, including places shell 1, bracket 2, storage case
3, shell 6, set casing 15, pneumatic actuator and regulating mechanism are connected；
1 bottom of placement shell is fixedly connected with bracket 2, and 2 bottom of bracket is fixedly connected with flange 10, the bracket of setting
2, convenient for storage case 3 and the fixed placement of set casing 15；Push plate 11 is slidably connected in the placement shell 1, and places 1 bottom of shell
Portion slidably connects connecting rod 5；2 side surface of bracket is fixedly connected with storage case 3, and 3 side of storage case is equipped with and consolidates with bracket 2
Surely the set casing 15 connected；3 surface of storage case is fixedly connected with touch display screen 4, and is fixedly connected on the right side of storage case 3
Power connection 23, the touch display screen 4 of setting, operates convenient for worker；2 bottom of bracket is connected with flange 10, and
The connection shell 6 that 2 bottom of bracket is fixedly connected；
The pneumatic actuator includes set casing 15, micro air pump 16, the first tracheae 14 and the second tracheae 17, and solid
Determine to be fixedly connected with micro air pump 16 in shell 15；Described 16 one end of micro air pump is connected to the fixation of 14 one end of the first tracheae, and the
One tracheae, 14 end is connected to the fixation of 1 inner cavity top of shell is placed, and the micro air pump 16 of setting flows convenient for gas；It is described miniature
16 other end of air pump is connected to the fixation of the second tracheae 17, and 17 end of the second tracheae is connected to the fixation of 1 intracavity bottom of shell is placed；
The regulating mechanism includes push plate 11, connecting rod 5, connecting shaft 18 and valve rod 7, and push plate 11 is slidably connected at placement
In 1 inner cavity of shell；11 bottom of push plate is fixedly connected with 5 top of connecting rod, and 5 bottom end of connecting rod is solid through flange 10 and connecting shaft 18
Fixed connection, the connecting rod 5 of setting are convenient for regulating valve stem 7；18 bottom end of connecting shaft is fixedly connected with valve rod 7；The connection shell 6
Bottom is fixedly connected with valve 9；7 top of valve rod is fixedly connected through flange 10 with connecting rod 5.
The placement shell 1 is engaged by the identical shell of two structures, and passes through fixation between two shell contact surfaces
It is bolted, is dismantled and connected convenient for placing shell 1；It is fixedly connected with displacement sensor 12 at the top of the placement shell 1, and
12 output end of displacement sensor is fixedly connected with push plate 11, convenient for detecting the displacement of push plate 11, convenient for operation；Described touch shows
The processor 21 being equipped in display screen 4 and storage case 3 is electrically connected, the controller 22 being equipped in the processor 21 and storage case 3
It is electrically connected, convenient for the signal transmitting and control in touch display screen 4；The air pressure probe 20 and the pressure in storage case 3
Sensor 19 is electrically connected, and pressure sensor 19 and processor 21 are electrically connected, and is convenient for carrying out air pressure inspection in placement shell 1
It surveys；11 bottom of push plate is protected by being socketed in the spring 13 on 5 surface of connecting rod and placing 1 intracavity bottom inner wall elastic connection of shell
Barrier push plate 11 is stablized to be slided in placement shell 1；The push plate 11 is slidably connected with 1 inner cavity of shell is placed, and in the middle part of 11 bottom side of push plate
It is fixedly connected with connecting rod 5, stablizes convenient for push plate 11 and connecting rod 5 is driven to slide up and down；7 end of valve rod through connection shell 6 and
Valve 9 is connect with the spool in valve 9, convenient for being operated convenient for worker by 7 control valve 9 of valve rod；The power connection 23
Electrically connect with processor 21, controller 22, touch display screen 4, pressure sensor 19, micro air pump 6 and displacement sensor 12
It connects, convenient for being processor 21, controller 22, touch display screen 4, pressure sensor 19, micro air pump 6 and displacement sensor 12
It is powered, is easy to use；The connecting rod 5 is through 10 middle part of flange, and connecting rod 5 is slidably connected with flange 10, logical convenient for connecting rod 5
It is mobile to cross 18 regulating valve stem 7 of connecting shaft.
In the use of the present invention, the electric elements occurred in the application when in use open by external connection power supply and control
It closes, after worker installs the pneumatic stopping valve, when in use, worker is needed by inputting on 4 surface of touch display screen
The number to be adjusted, the information then inputted by 21 Duis of processor are handled, and control micro air pump 16 by controller 22
Work, while pressure detectings are carried out by 20 pairs of gases placed in shells 1 of air pressure probe, air pressure is examined by processor 21
It surveys, while the air pump of 11 bottom of push plate is pumped by micro air pump 16 by the second tracheae 17, while air pump leads to the gas of suction
It crosses the first tracheae 14 to drain into 1 inner cavity of placement shell at 11 top of push plate, and then the pressure of push plate 11 top pressure and 11 bottom of push plate
It differs by force, convenient for adjusting the situation of movement of 11 bottom linkage rod 5 of push plate according to demand, while connecting rod 5 is mobile, and connecting rod 5 pushes connection
18 regulating valve stem 7 of axis is mobile, and then by 7 control valve 9 of valve rod, to complete the use process of pneumatic stopping valve.
Micro air pump 16 is using the ZQ370-03PM model air pump that causes flourish environmental protection equipment production and its relevant mating
Power supply and circuit.
Pressure sensor 19 is passed using the JHBM-H1 model pressure of professional production dynamometry tension, pressure and weighting sensing production
Sensor and its relevant mating power supply and circuit.
Processor 21 is using the Z370M MORTAR model processor and its correlation for containing outstanding digital monopolized store's production
Mating power supply and circuit.
PS-3A model electric pushrod that controller 22 is produced using electric pushrod electric telescopic rod dicladispa armigera factory and its
Relevant mating power supply and circuit.
Displacement sensor 12 is using the positive safe pneumatic miniature radial type KPM16 model displacement sensor for selling shop production directly to households
And its relevant mating power supply and circuit.
It is related to circuit and electronic component and module is the prior art, those skilled in the art may be implemented completely,
Without superfluous words, the content that the present invention protects is not related to the improvement for software and method yet.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that by fall in claim with all in the meaning and scope of important document
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of adjustable Discrete control pneumatic stopping valve, it is characterised in that: including placing shell (1), bracket (2), storage case
(3), shell (6), set casing (15), pneumatic actuator and regulating mechanism are connected；
Placement shell (1) bottom is fixedly connected with bracket (2), and bracket (2) bottom is fixedly connected with flange (10)；It is described to put
It sets in shell (1) and slidably connects push plate (11), and place shell (1) basal sliding and be connected with connecting rod (5)；Bracket (2) side table
Face is fixedly connected with storage case (3), and storage case (3) side is equipped with the set casing (15) being fixedly connected with bracket (2)；It is described to deposit
Storage shell (3) surface is fixedly connected with touch display screen (4), and is fixedly connected with power connection (23) on the right side of storage case (3)；It is described
Bracket (2) bottom is connected with flange (10), and the connection shell (6) that bracket (2) bottom is fixedly connected；
The pneumatic actuator includes set casing (15), micro air pump (16), the first tracheae (14) and the second tracheae (17),
And micro air pump (16) are fixedly connected in set casing (15)；Described micro air pump (16) one end and the first tracheae (14) one end are solid
Fixed connection, and the first tracheae (14) end is connected to the fixation of shell (1) inner cavity top is placed；Micro air pump (16) other end with
The fixed connection of second tracheae (17), and the second tracheae (17) end is connected to the fixation of shell (1) intracavity bottom is placed；
The regulating mechanism includes push plate (11), connecting rod (5), connecting shaft (18) and valve rod (7), and push plate (11) is slidably connected
In placing shell (1) inner cavity；Push plate (11) bottom is fixedly connected with connecting rod (5) top, and flange is run through in connecting rod (5) bottom end
(10) it is fixedly connected with connecting shaft (18)；Connecting shaft (18) bottom end is fixedly connected with valve rod (7)；Connection shell (6) bottom
Portion is fixedly connected with valve (9)；Valve rod (7) top is fixedly connected through flange (10) with connecting rod (5).
2. a kind of adjustable Discrete control pneumatic stopping valve according to claim 1, it is characterised in that: the placement shell
(1) engaged by the identical shell of two structures, and connected between two shell contact surfaces by fixing bolt.
3. a kind of adjustable Discrete control pneumatic stopping valve according to claim 1, it is characterised in that: the placement shell
(1) top is fixedly connected with displacement sensor (12), and displacement sensor (12) output end is fixedly connected with push plate (11).
4. a kind of adjustable Discrete control pneumatic stopping valve according to claim 1, it is characterised in that: the touch display
The processor (21) being equipped in screen (4) and storage case (3) is electrically connected, and is equipped in the processor (21) and storage case (3)
Controller (22) is electrically connected.
5. a kind of adjustable Discrete control pneumatic stopping valve according to claim 1, it is characterised in that: the air pressure probe
(20) it is electrically connected with the pressure sensor (19) in storage case (3), and pressure sensor (19) electrically connects with processor (21)
It connects.
6. a kind of adjustable Discrete control pneumatic stopping valve according to claim 1, it is characterised in that: the push plate (11)
Bottom is by being socketed in the spring (13) on connecting rod (5) surface and placing shell (1) intracavity bottom inner wall elastic connection.
7. a kind of adjustable Discrete control pneumatic stopping valve according to claim 1, it is characterised in that: the push plate (11)
It is slidably connected with shell (1) inner cavity is placed, and is fixedly connected with connecting rod (5) in the middle part of push plate (11) bottom side.
8. a kind of adjustable Discrete control pneumatic stopping valve according to claim 1, it is characterised in that: the valve rod (7)
End is connect through connection shell (6) and valve (9) with the spool in valve (9).
9. a kind of adjustable Discrete control pneumatic stopping valve according to claim 1, it is characterised in that: the power connection
(23) with processor (21), controller (22), touch display screen (4), pressure sensor (19), micro air pump (6) and displacement
Sensor (12) is electrically connected.
10. a kind of adjustable Discrete control pneumatic stopping valve according to claim 1, it is characterised in that: the connecting rod (5)
In the middle part of flange (10), and connecting rod (5) is slidably connected with flange (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546631.8A CN109555893A (en) | 2018-12-18 | 2018-12-18 | A kind of adjustable Discrete control pneumatic stopping valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546631.8A CN109555893A (en) | 2018-12-18 | 2018-12-18 | A kind of adjustable Discrete control pneumatic stopping valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109555893A true CN109555893A (en) | 2019-04-02 |
Family
ID=65870419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811546631.8A Pending CN109555893A (en) | 2018-12-18 | 2018-12-18 | A kind of adjustable Discrete control pneumatic stopping valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109555893A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187905A (en) * | 2021-05-28 | 2021-07-30 | 深圳市伙伴气动精密机械有限公司 | Pneumatic stop valve and using method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5576274A (en) * | 1978-12-01 | 1980-06-09 | Oval Eng Co Ltd | Valve switching device |
| CN202469029U (en) * | 2011-12-31 | 2012-10-03 | 苏州安特威阀门有限公司 | Pneumatic stop valve |
| CN202628191U (en) * | 2012-05-25 | 2012-12-26 | 周登荣 | Air distribution controller for pneumatic automobile |
| CN104075019A (en) * | 2013-03-27 | 2014-10-01 | 苏州科迪流体控制设备有限公司 | An adjustable positioning pneumatic stop valve |
| CN203880197U (en) * | 2014-06-12 | 2014-10-15 | 浙江瑞工控制阀有限公司 | Secondary air door integrated type pneumatic actuator |
-
2018
- 2018-12-18 CN CN201811546631.8A patent/CN109555893A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5576274A (en) * | 1978-12-01 | 1980-06-09 | Oval Eng Co Ltd | Valve switching device |
| CN202469029U (en) * | 2011-12-31 | 2012-10-03 | 苏州安特威阀门有限公司 | Pneumatic stop valve |
| CN202628191U (en) * | 2012-05-25 | 2012-12-26 | 周登荣 | Air distribution controller for pneumatic automobile |
| CN104075019A (en) * | 2013-03-27 | 2014-10-01 | 苏州科迪流体控制设备有限公司 | An adjustable positioning pneumatic stop valve |
| CN203880197U (en) * | 2014-06-12 | 2014-10-15 | 浙江瑞工控制阀有限公司 | Secondary air door integrated type pneumatic actuator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187905A (en) * | 2021-05-28 | 2021-07-30 | 深圳市伙伴气动精密机械有限公司 | Pneumatic stop valve and using method thereof |
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Application publication date: 20190402 |
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