CN110319264A - Three position pneumatic actuators - Google Patents
Three position pneumatic actuators Download PDFInfo
- Publication number
- CN110319264A CN110319264A CN201910719971.4A CN201910719971A CN110319264A CN 110319264 A CN110319264 A CN 110319264A CN 201910719971 A CN201910719971 A CN 201910719971A CN 110319264 A CN110319264 A CN 110319264A
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- China
- Prior art keywords
- cylinder body
- air port
- gear shaft
- piston bush
- cylinder
- Prior art date
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- 238000005192 partition Methods 0.000 claims abstract description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 6
- 208000002925 dental caries Diseases 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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
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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
- 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
- F16K31/1225—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston with a plurality of pistons
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
Abstract
The invention discloses three position pneumatic actuators, including the gear shaft being rotatablely connected at cylinder body and the vertical center of cylinder body, the inner chamber of cylinder block is slidably connected, and there are two piston bush, two piston bush pass through screw thread and gear shaft threaded engagement connection close to the side of gear shaft, the cylinder body both ends are fixedly connected to two secondary cylinders, two secondary cylinders are fixedly connected to two end caps far from one end of cylinder body, connecting portion is connected with partition between the pair cylinder and cylinder body, and two secondary cylinder inner cavities slidably connect auxiliary piston.In the present invention, using the mechanism of pneumatic contraposition origin, it realizes control piston bush and is in initial position, the stretching mechanism covered again due to using air rammer, it realizes two piston bush and reaches fully open position, simultaneously because using the locking mechanism for power-off of dying, realizes two piston bush and return in the state of complete close, to increase the stability of device.
Description
Technical field
The invention belongs to technical field of mechanical transmission, specially three position pneumatic actuators.
Background technique
Pneumatic actuator is the executive device with the opening and closing of air pressure power drive or control valve, but by title pneumatic actuator or
Pneumatic device, but general popular referred to as pneumatic head, pneumatic actuator are also equipped with certain auxiliary device sometimes, commonly
There are valve positioner and handwheel, the effect of valve positioner is to improve the performance of actuator using feedback principle, makes to hold
Row device can realize accurately positioning by the control signal of controller.
Existing pneumatic actuator is widely applied in machinery production, however existing pneumatic actuator is using
Tend to some defects below occur in the process, firstly, existing actuating mechanism is often difficult to control device automatic homing
To origin, it is easy to cause control position inaccurate；Secondly, existing actuating mechanism be often difficult to die power off when reset and protection,
So that machinery is easy to produce failure.
Summary of the invention
It is an object of the invention to: in order to solve reality, provide three position pneumatic actuators.
The technical solution adopted by the invention is as follows:
Three position pneumatic actuators, including the gear shaft being rotatablely connected at cylinder body and the vertical center of cylinder body, the inner chamber of cylinder block
It is slidably connected there are two piston bush, two piston bush pass through screw thread and gear shaft threaded engagement close to the side of gear shaft
Connection, the cylinder body both ends are fixedly connected to two secondary cylinders, and two secondary cylinders are fixedly connected to far from one end of cylinder body
Two end caps, connecting portion is connected with partition between the pair cylinder and cylinder body, and partition passes through bullet close to the side of piston bush
Spring group and piston bush elastic connection, two secondary cylinder inner cavities slidably connect auxiliary piston.
It is as above-mentioned technical proposal to further describe:
Piston slider, and piston slider and inner chamber of cylinder block transition fit are bonded on the outside of described two piston bush, it is described two
Inner cavity offers the second cavity between piston bush, and the second left air port and the second right air port are offered on the cylinder body outer housing, and
Second left air port and the second right air port are connected with the second cavity.
It is as above-mentioned technical proposal to further describe:
Inner chamber of cylinder block between described two partitions and two piston bush is opened up there are two first inner chamber, on the cylinder body outer housing
The first left air port and the first right air port are offered, and the first left air port and the first right air port are connected with two first inner chambers respectively
It is logical.
It is as above-mentioned technical proposal to further describe:
Side of described two auxiliary pistons far from gear shaft is opened up respectively there are two third cavity, is opened up on the cylinder body outer housing
There are the left air port of third and the right air port of third, and the left air port of third and the right air port of third are connected with two third cavitys respectively.
It is as above-mentioned technical proposal to further describe:
It is screwed and is fixedly connected with by hex nut bolt close to the side of gear shaft at described two auxiliary piston lumen centers axis
Two spacing mandrils, and two spacing mandrils are fixedly connected with limit pull rod, and two spacing tops far from the side of gear shaft
Bar runs through two partitions, and the side of two end caps away from each other offers screw rod cover, and screw rod cover inner cavity and limit are drawn
Bar is slidably connected, and the limit pull rod outside screw, which screws, is fixedly connected with round nut.
It is as above-mentioned technical proposal to further describe:
The upper surface of cylinder body is run through on the gear shaft top, and the gear shaft appearance wall is arranged with limit sleeve, and inside limit sleeve
It is provided with the outer wear-resisting ring of axis, stainless steel washer and circlip for shaft, the outer wear-resisting ring of the axis, stainless steel washer and axis elasticity
Retaining ring is from top to bottom squeezed mutually respectively and is fixed.
It is as above-mentioned technical proposal to further describe:
The gear shaft appearance wall is arranged with wear-resisting ring in axis close to the position of cylinder body opening, and in axis wear-resisting ring appearance wall with
Cylinder body opening transition fit, wear-resisting ring bottom is fixedly connected with locating piece in the gear shaft appearance wall axis, and on locating piece
End face is bonded with cylinder body opening inner cavity.
It is as above-mentioned technical proposal to further describe:
The cylinder body splices mutually fixation by two parts, and one of cylinder body side passes through fixing piece and another cylinder bolt
It is fixedly connected.
It is as above-mentioned technical proposal to further describe:
It is screwed and is fixedly connected by fixing bolt bolt between the side that described two end caps mutually fit with two secondary cylinders.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, in the present invention, using the mechanism of pneumatic contraposition origin, due to using into the left air port of third and the right air port of third
Gas is injected in portion, realizes two piston bush and slides simultaneously to the direction far from gear shaft, simultaneously because using to second left side
Gas is injected in air port and the second right air port inner cavity, realizes two auxiliary pistons and spacing mandril is driven to slide at partition center, from
And realize auxiliary piston and mutually fit with partition, it mutually fits simultaneously because using spacing mandril top with piston bush, with control
Two piston bush are made away from each other, so that realizing control piston bush is in initial position.
2, right to the left air port of third and third due to using using the stretching mechanism that air rammer covers in the present invention
Inject gas inside air port, realize two piston bush and slided simultaneously to the direction far from gear shaft, simultaneously because use to
Gas is injected in the left air port of third and the right air port inner cavity of third, realizes two first inner chamber cavity volumes and increases, to realize
Two auxiliary pistons are moved to the direction far from gear shaft, when round nut withstands screw rod cover, due to using two spacing mandril tops
The firmly sliding of two piston bush engages connection between gear shaft and two piston bush simultaneously because using, realizes two
The move distance of piston bush is identical, and to increase the stability of device, the distance between two piston bush reach maximum at this time, realizes
Two piston bush reach fully open position.
3, right to the left air port of third and third due to having used using the locking mechanism for power-off of dying in the present invention
Gas is injected inside air port, is realized two piston bush and is slided in inner chamber of cylinder block to the direction far from gear shaft simultaneously, simultaneously
When power-off is died, drives two piston bush to side gear shaft to movement due to using groups of springs, realize two piston bush
It returns in the state of complete close, to increase the stability of device.
Detailed description of the invention
Fig. 1 is structure schematic diagram of the invention；
Fig. 2 is the central horizontal cross section structure simplified schematic diagram in the present invention；
Fig. 3 is the center vertical cross section structure simplified schematic diagram in the present invention.
Marked in the figure: 1, end cap；2, secondary cylinder；3, cylinder body；4, the first left air port；5, the first right air port；6, fixing bolt；7,
Screw rod cover；8, the second left air port；9, the left air port of third；10, the right air port of third；11, the second right air port；12, first inner chamber；13,
Groups of springs；14, gear shaft；15, piston bush；16, round nut；17, limit pull rod；18, hex nut；19, auxiliary piston；20, it limits
Position mandril；21, piston slider；22, the second cavity；23, partition；24, third cavity；25, limit sleeve；2501, the outer wear-resisting ring of axis；
2502, stainless steel washer；2503, circlip for shaft；26, wear-resisting ring in axis；27, locating piece；28, fixing piece.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention；Term " first ", " second ", " third "
It is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance；In addition, unless otherwise specific regulation and limit
Fixed, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Embodiment 1
Please refer to Fig. 1-3, three position pneumatic actuators, including the gear shaft being rotatablely connected at cylinder body 3 and the vertical center of cylinder body 3
14,3 inner cavity of cylinder body is slidably connected there are two piston bush 15, two piston bush 15 close to the side of gear shaft 14 pass through screw thread with
14 threaded engagement connection of gear shaft, 3 both ends of cylinder body are fixedly connected to two secondary cylinders 2, two one end of secondary cylinder 2 far from cylinder body 3
Two end caps 1 are fixedly connected to, connecting portion is connected with partition 23 between secondary cylinder 2 and cylinder body 3, and partition 23 is close to piston
The side of set 15 slidably connects auxiliary piston 19 by groups of springs 13 and 15 elastic connection of piston bush, two 2 inner cavities of secondary cylinder, with
Convenient for controlling the adjacent to each other self-locking of two piston bush 15 by groups of springs 13.
Embodiment 2
Referring to Fig. 2, two 15 outsides of piston bush are bonded with piston slider 21, and piston slider 21 and 3 inner cavity transition of cylinder body
Cooperation, inner cavity offers the second cavity 22 between two piston bush 15, and the second left air port 9 and the are offered on 3 outer housing of cylinder body
Two right air ports 10, and the second left air port 9 and the second right air port 10 are connected with the second cavity 22, two partitions 23 and two work
3 inner cavity of cylinder body between plug sleeve 15 is opened up there are two first inner chamber 12, and the first left air port 4 and the are offered on 3 outer housing of cylinder body
One right air port 5, and the first left air port 4 and the first right air port 5 are connected with two first inner chambers 12 respectively, two auxiliary pistons 19 are remote
Side from gear shaft 14 is opened up respectively there are two third cavity 24, offers the left air port 8 of third and third on 3 outer housing of cylinder body
Right air port 11, and the left air port 8 of third and the right air port 11 of third are connected with two third cavitys 24 respectively, it is external in order to pass through
Fan controller inside wind direction and interior arrangement scaling operation.
Embodiment 3
Referring to Fig. 2, being revolved close to the side of gear shaft 14 by 18 bolt of hex nut at two 19 lumen centers axis of auxiliary piston
Conjunction is fixedly connected there are two spacing mandril 20, and two spacing mandrils 20 are fixedly connected with limit far from the side of gear shaft 14 and draw
Bar 17, and two spacing mandrils 20 run through two partitions 23, and the side of two end caps 1 away from each other offers screw rod cover 7,
And 7 inner cavity of screw rod cover is slidably connected with limit pull rod 17,17 outside screw of limit pull rod, which screws, is fixedly connected with round nut 16, with
Convenient for passing through the movement of the motion control spacing mandril 20 and piston bush 15 of auxiliary piston 19.
Embodiment 4
Referring to Fig. 3, the upper surface of cylinder body 3 is run through on 14 top of gear shaft, 14 appearance wall of gear shaft is arranged with limit sleeve 25, and limits
Position set 25 is internally provided with the outer wear-resisting ring 2501 of axis, stainless steel washer 2502 and circlip for shaft 2503, the outer wear-resisting ring of axis
2501, stainless steel washer 2502 and circlip for shaft 2503 from top to bottom squeeze mutually respectively fixes, 14 appearance wall of gear shaft
Position close to 3 opening of cylinder body is arranged with wear-resisting ring 26 in axis, and 26 appearance wall of wear-resisting ring and 3 opening transition of cylinder body in axis
Cooperate, 26 bottom of wear-resisting ring is fixedly connected with locating piece 27, and 27 upper surface of locating piece and cylinder body 3 in 14 appearance wall axis of gear shaft
The fitting of opening inner cavity maintains gear shaft 14 to be in center stable rotation in order to protect.
Embodiment 5
Working principle: firstly, to gas is injected inside the left air port 9 of third and the right air port 10 of third, so that the second cavity 22
Chamber pressure increases, so that two piston bush 15 slide in 3 inner cavity of cylinder body to the direction far from gear shaft 14 simultaneously, together
When to the second left air port 8 and the second right 11 inner cavity of air port inject gas so that the air pressure of two 24 inner cavities of third cavity increases, lead to
Being slidably connected between auxiliary piston 19 and secondary cylinder 2 is crossed, so that auxiliary piston 19 drives spacing mandril 20 to slide at 23 center of partition,
So that gas increases while 12 cavity volume of first inner chamber reduces, so that the first left air port 4 and the first right air port 5
Outlet, auxiliary piston 19 mutually fits with partition 23 at this time, while 20 top of spacing mandril mutually fits with piston bush 15, with control
Two piston bush 15 away from each other, so that controlling piston bush 15 is in initial position；Secondly, to the left air port 9 of third and third
Gas is injected inside right air port 10, so that two piston bush 15 are sliding to the direction far from gear shaft 14 in 3 inner cavity of cylinder body simultaneously
It is dynamic, while gas is injected to the left air port 9 of third and right 10 inner cavity of air port of third, so that two 12 cavity volumes of first inner chamber increase
Add, so that two auxiliary pistons 19 are moved to far from the direction of gear shaft 14, until round nut 16 withstands screw rod cover 7, simultaneously
Two spacing mandrils 20 withstand the sliding of two piston bush 15, pass through the company of engagement between gear shaft 14 and two piston bush 15
Connect so that the move distance of two piston bush 15 is identical, to increase the stability of device, at this time between two piston bush 15 away from
It is maximum from reaching, so that two piston bush 15 reach fully open position；Finally, to inside the left air port 9 of third and the right air port 10 of third
Gas is injected, so that two piston bush 15 slide in 3 inner cavity of cylinder body to the direction far from gear shaft 14 simultaneously, or is powered off
Groups of springs 13 drives two piston bush 15 to move to 14 direction of gear shaft when dying, so that two piston bush 15 return to the shape closed entirely
Under state, to increase the stability of device.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. three position pneumatic actuators, the gear shaft (14) including rotation connection at cylinder body (3) and the vertical center of cylinder body (3),
It is characterized by: cylinder body (3) inner cavity is slidably connected, there are two piston bush (15), and two piston bush (15) are close to gear
The side of axis (14) passes through screw thread and gear shaft (14) threaded engagement connection, and cylinder body (3) both ends are fixedly connected to two
A pair cylinder (2), two secondary cylinders (2) are fixedly connected to two end caps (1), the pair cylinder (2) far from the one end of cylinder body (3)
Connecting portion is connected with partition (23) between cylinder body (3), and partition (23) passes through spring close to the side of piston bush (15)
Group (13) and piston bush (15) elastic connection, two described secondary cylinder (2) inner cavities slidably connect auxiliary piston (19).
2. three position according to claim 1 pneumatic actuator, it is characterised in that: on the outside of described two piston bush (15)
It is bonded with piston slider (21), and piston slider (21) and cylinder body (3) inner cavity transition fit, between described two piston bush (15)
Inner cavity offers the second cavity (22), and the second left air port (9) and the second right air port are offered on cylinder body (3) outer housing
(10), and the second left air port (9) and the second right air port (10) are connected with the second cavity (22).
3. three position according to claim 1 pneumatic actuator, it is characterised in that: described two partitions (23) and two work
Cylinder body (3) inner cavity between plug sleeve (15) is opened up there are two first inner chamber (12), offers first on cylinder body (3) outer housing
Left air port (4) and the first right air port (5), and the first left air port (4) and the first right air port (5) respectively with two first inner chambers (12)
It is connected.
4. three position according to claim 1 pneumatic actuator, it is characterised in that: described two auxiliary pistons (19) are far from tooth
The side of wheel shaft (14) is opened up respectively there are two third cavity (24), offers the left air port of third on cylinder body (3) outer housing
(8) and the right air port of third (11), and the left air port of third (8) and the right air port of third (11) are connected with two third cavitys (24) respectively
It is logical.
5. three position according to claim 1 pneumatic actuator, it is characterised in that: in described two auxiliary piston (19) inner cavities
It is screwed and is fixedly connected there are two spacing mandril (20) by hex nut (18) bolt close to the side of gear shaft (14) at mandrel,
And two spacing mandrils (20) are fixedly connected with limit pull rod (17) far from the side of gear shaft (14), and two spacing mandrils
(20) run through two partitions (23), the side of two end caps (1) away from each other offers screw rod cover (7), and screw rod cover
(7) inner cavity is slidably connected with limit pull rod (17), and limit pull rod (17) outside screw, which screws, is fixedly connected with round nut
(16).
6. three position according to claim 1 pneumatic actuator, it is characterised in that: cylinder is run through on gear shaft (14) top
The upper surface of body (3), gear shaft (14) the appearance wall is arranged with limit sleeve (25), and limit sleeve (25) is internally provided with outside axis
Wear-resisting ring (2501), stainless steel washer (2502) and circlip for shaft (2503), the axis outer wear-resisting ring (2501), stainless steel
Washer (2502) and circlip for shaft (2503) from top to bottom squeeze mutually respectively to be fixed.
7. three position according to claim 1 pneumatic actuator, it is characterised in that: gear shaft (14) the appearance wall is close
The position of cylinder body (3) opening is arranged with wear-resisting ring in axis (26), and wear-resisting ring (26) appearance wall and cylinder body (3) opening in axis
Transition fit, wear-resisting ring (26) bottom is fixedly connected with locating piece (27) in gear shaft (14) the appearance wall axis, and locating piece
(27) upper surface is bonded with cylinder body (3) opening inner cavity.
8. three position according to claim 1 pneumatic actuator, it is characterised in that: the cylinder body (3) is mutual by two parts
Mutually splicing is fixed, and one of cylinder body (3) side is fixedly connected by fixing piece (28) with another cylinder body (3) bolt.
9. three position according to claim 1 pneumatic actuator, it is characterised in that: described two end caps (1) and two pairs
It is screwed and is fixedly connected by fixing bolt (6) bolt between the side that cylinder (2) mutually fits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910719971.4A CN110319264A (en) | 2019-08-06 | 2019-08-06 | Three position pneumatic actuators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910719971.4A CN110319264A (en) | 2019-08-06 | 2019-08-06 | Three position pneumatic actuators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110319264A true CN110319264A (en) | 2019-10-11 |
Family
ID=68125486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910719971.4A Pending CN110319264A (en) | 2019-08-06 | 2019-08-06 | Three position pneumatic actuators |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110319264A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550595A (en) * | 2020-05-26 | 2020-08-18 | 浙江百川智控阀门有限公司 | Multifunctional actuator |
| CN111692157A (en) * | 2020-06-23 | 2020-09-22 | 无锡微尔逊流体控制技术有限公司 | Pneumatic actuator with full-stroke manual adjusting, limiting and locking functions |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001517285A (en) * | 1996-02-15 | 2001-10-02 | クォーターコ インコーポレーテッド | Pneumatic actuator |
| US20050166752A1 (en) * | 2002-06-14 | 2005-08-04 | Yasuyuki Nomura | Pneumatic actuator |
| CN202852151U (en) * | 2012-10-15 | 2013-04-03 | 浙江瓯美尔智控阀门有限公司 | Pneumatic actuator |
| CN203176504U (en) * | 2013-01-10 | 2013-09-04 | 杭州唐能阀门有限公司 | Spring-reset three-position type pneumatic actuator |
| CN206682403U (en) * | 2017-04-11 | 2017-11-28 | 杭州唐能阀门有限公司 | Double acting three-position type angle stroke pneumatic actuator |
| CN207178345U (en) * | 2017-09-28 | 2018-04-03 | 台州巨航自动化设备科技有限公司 | A kind of pneumatic actuator |
| CN207470898U (en) * | 2017-10-19 | 2018-06-08 | 浙江华尔士自控仪表阀门有限公司 | A kind of straight movement type pneumatic actuator |
-
2019
- 2019-08-06 CN CN201910719971.4A patent/CN110319264A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001517285A (en) * | 1996-02-15 | 2001-10-02 | クォーターコ インコーポレーテッド | Pneumatic actuator |
| US20050166752A1 (en) * | 2002-06-14 | 2005-08-04 | Yasuyuki Nomura | Pneumatic actuator |
| CN202852151U (en) * | 2012-10-15 | 2013-04-03 | 浙江瓯美尔智控阀门有限公司 | Pneumatic actuator |
| CN203176504U (en) * | 2013-01-10 | 2013-09-04 | 杭州唐能阀门有限公司 | Spring-reset three-position type pneumatic actuator |
| CN206682403U (en) * | 2017-04-11 | 2017-11-28 | 杭州唐能阀门有限公司 | Double acting three-position type angle stroke pneumatic actuator |
| CN207178345U (en) * | 2017-09-28 | 2018-04-03 | 台州巨航自动化设备科技有限公司 | A kind of pneumatic actuator |
| CN207470898U (en) * | 2017-10-19 | 2018-06-08 | 浙江华尔士自控仪表阀门有限公司 | A kind of straight movement type pneumatic actuator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111550595A (en) * | 2020-05-26 | 2020-08-18 | 浙江百川智控阀门有限公司 | Multifunctional actuator |
| CN111692157A (en) * | 2020-06-23 | 2020-09-22 | 无锡微尔逊流体控制技术有限公司 | Pneumatic actuator with full-stroke manual adjusting, limiting and locking functions |
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Address after: No. 150, Hongrui Road, Shacheng street, Longwan District, Wenzhou City, Zhejiang Province Applicant after: Zhitai Technology Group Co.,Ltd. Address before: No. 150, Hongrui Road, Shacheng street, Longwan District, Wenzhou City, Zhejiang Province Applicant before: Zhitai Valve Co.,Ltd. |
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