CN202188203U - Actuator for fluid control device with fluid flow control components - Google Patents
Actuator for fluid control device with fluid flow control components Download PDFInfo
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- CN202188203U CN202188203U CN2011202976246U CN201120297624U CN202188203U CN 202188203 U CN202188203 U CN 202188203U CN 2011202976246 U CN2011202976246 U CN 2011202976246U CN 201120297624 U CN201120297624 U CN 201120297624U CN 202188203 U CN202188203 U CN 202188203U
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- actuator
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Abstract
The utility model provides an actuator for a fluid control device with a plurality of fluid flow control components. The actuator comprises a first cavity, a second cavity and a main body, wherein the first cavity comprises a first rotary actuator component, a separator and a first actuator rod; the first rotary actuator component comprises at least one first rotary membrane plate; the first end of the first actuator rod is coupled to the at least one first rotary membrane plate; the second end of the first actuator rod is coupled to a second valve plug; the second cavity comprises a second rotary actuator component, a separator and a second actuator rod; the second rotary actuator component comprises at least one second rotary membrane plate; the first end of the second actuator rod is coupled to the at least one second rotary membrane plate; the second end of the second actuator rod is coupled to a first valve plug; the main body comprises a first yoke coupled to a valve and a second yoke coupled between the first cavity and the second cavity of the main body; and the main body limits holes, so that the first actuator rod and the second actuator rod can extend into the first cavity and the second cavity and then extend into the valve.
Description
Technical field
This patent relates to actuator, more specifically, relates to the actuator of the fluid control device that is used to have a plurality of fluid FLOW CONTROL members.
Background technique
Process control system uses various field apparatuss to come the control procedure parameter.In some instances, single-acting and/or the double-acting actuator fluid that is used to control through valve flows.
The model utility content
Disclose a kind of actuator that is used to comprise the valve of first valve plug, second valve plug and bonnet, comprised first chamber, said first chamber comprises the first rotary actuator assembly, and it comprises at least one first rotary diaphragm plate; Separator; And first actuator rod, it is coupled to said at least one first rotary diaphragm plate at first end, and is coupled to said second valve plug at second end; Said actuator also comprises second chamber, and said second chamber comprises: the second rotary actuator assembly, and it comprises at least one second rotary diaphragm plate; Separator; And second actuator rod, it is coupled to said at least one second rotary diaphragm plate at first end, and is coupled to said first valve plug at second end; Said actuator also comprises main body; It comprises first yoke that is coupled to said valve and is coupled in said first chamber of said main body and second yoke between second chamber; And said main part limitation eyelet is so that said first and second actuator rods put in said first and second chambeies and extend said valve; Wherein, said at least one the first rotary diaphragm plate and the second rotary diaphragm plate are divided into a plurality of chambers with its said first chamber and second chamber separately, and each said chamber holds barrier film, air bag or actuating component.
For movable and rotary type diaphragm plate and actuator rod independently accordingly; Air and/or control signal can increase the pressure and the pressure that reduces in other chambers in some chambers; Thus (for example with specific direction; Clockwise direction, counterclockwise) driven rotary type diaphragm plate, and moving of control valve plug thus.
Description of drawings
Fig. 1 shows known actuator;
Fig. 2 shows the exemplary twin-tub actuator that is coupled to exemplary three-way valve;
Fig. 3 shows one sectional drawing of the example actuator cylinder of the Fig. 2 that comprises exemplary septum;
Fig. 4 shows one sectional drawing of the example actuator cylinder of Fig. 2 that exemplary septum is removed;
Fig. 5 shows the stereogram and the fragmentary cross-sectional view of the exemplary twin-tub actuator of Fig. 2;
Fig. 6 shows another stereogram of the twin-tub actuator of Fig. 2;
Fig. 7 shows exemplary three cylinder actuators that are coupled to exemplary four-way valve;
Fig. 8 shows the sectional drawing of exemplary three cylinder actuators of Fig. 7;
Fig. 9 shows the stereogram of exemplary three cylinder actuators of Fig. 7.
Embodiment
Some examples are shown in the above-mentioned figure and describe in detail below.In describing these examples, similar or identical reference character is used to identify common or similar elements.From clear and/or succinct purpose, these figure might not be in proportion, and some characteristic of figure may illustrated on the ratio or in schematic representation with some view large.Additionally, in the whole specification several examples have been described.Any characteristic in any example can attach, substitute other characteristics in other examples or combine with other characteristics in other examples.
Said example relates to the example actuator of the valve that is used to have a plurality of fluid FLOW CONTROL members (for example, valve plug).Example actuator can or be used with exemplary three-way valve, exemplary four-way valve and control independently any other fluid control device that fluid flows and/or the fluid of control through a plurality of holes flows more than a fluid FLOW CONTROL member and use.Because said example comprises a plurality of actuating component in single actuator body, so can reduce the complexity and the system length (that is pipeline length) of the control system that is included in this described example.
When example actuator is used to exemplary three-way valve, particularly, when being used for rotary three-way valve, actuator body can comprise the chamber of separation, and rotatable actuator is positioned in those chambeies.Can be with similar or different diameters and/or similar or the cylindrical landform coelosis of different height.The rotary diaphragm plate of rotatable actuator (for example, two boards) can be divided into a plurality of chambers (for example, each diaphragm plate is separated two chambers) with its chamber separately, and each chamber can hold barrier film, air bag or actuating component.For movable and rotary type diaphragm plate and actuator rod independently accordingly; Air and/or control signal can increase the pressure in some barrier films and reduce the pressure in other barrier films; Thus with specific direction (for example, clockwise direction, counterclockwise) driven rotary type diaphragm plate.Alternatively, the edge of rotary diaphragm plate or part can be slidably and/or are engaged the internal surface in corresponding chamber hermetically.For movable and rotary type diaphragm plate and actuator rod independently accordingly; Air and/or control signal can increase the pressure and the pressure that reduces in other chambers in some chambers; Thus with specific direction (for example, clockwise direction, counterclockwise) driven rotary type diaphragm plate.
In these examples, the first rotary diaphragm plate limits eyelet with its corresponding first actuator rod, and second actuator rod passes this eyelet, so that second actuator rod stretches into valve body (for example, rotary three-way valve).Adjustable valve packing can be positioned between bonnet and first actuator rod of rotary valve and/or between first and second actuator rod.First actuator rod can be coupled to be controlled through the first mobile rotary valve plug of the fluid of first port, and second actuator rod can be coupled to control through the second mobile rotary valve plug of the fluid of second port.
When example actuator was used to exemplary four-way valve, except two chambeies that are mounted with rotatable actuator, actuator body can comprise the 3rd chamber, and sliding bar or linear piston assembly are positioned in the 3rd chamber.Control signal can be applied in linear piston to move linear piston and actuator rod separately independently, controls through the fluid of the 3rd port mobile.Spring return (for example, single-acting) or another control signal (for example, double-action) can be used to linear piston is back to neutral gear or failure safe position.
In those examples, the first rotary diaphragm plate can limit eyelet with its corresponding first actuator rod, and second actuator rod passes this eyelet, so that second actuator rod stretches into valve body.Additionally, the second rotary diaphragm plate limits eyelet with its corresponding second actuator rod, and the 3rd actuator rod passes this eyelet, so that the 3rd actuator rod extends into valve body.The 3rd actuator rod is corresponding to linear piston.Adjustable valve packing can be positioned between the bonnet and first actuator rod of valve, between first and second actuator rod and/or between the second and the 3rd actuator rod.First actuator rod can be coupled to control through the first mobile rotary valve plug of the fluid of first port; Second actuator rod can be coupled to be controlled through the second mobile rotary valve plug of the fluid of second port, and the 3rd actuator rod can be coupled to control through the fluid of the 3rd port mobile linearity or sliding bar valve plug.
Fig. 1 shows known rotary actuator 100.Actuator 100 comprises the main body 102 that limits port one 04, to receive supply pressure and/or control signal.Actuator 100 also comprises chamber 106, and barrier film 108, diaphragm plate 110, spring 112 and actuator rod 114 are placed in the chamber 106 at least in part.Be in operation, the control signal that receives through port one 04 acts on first side 116 of barrier film 108, and spring 112 acts on second side 118 of barrier film 108 via diaphragm plate 110.If the power that is applied to barrier film 108 by control signal is greater than the power that is applied to barrier film 108 by spring 112; Then actuator rod 114 to be being moved by arrow 120 indicated directions haply, and be coupled to the lever or the connection set 122 of actuator stem 114 maybe be counterclockwise to move.Yet, if the power that is applied to barrier film 108 by control signal less than the power that is applied to barrier film 108 by spring 112, actuator rod 114 is moving haply with by the opposite direction of arrow 120 indicated directions, and lever 122 possibly move in a clockwise direction.The configuration of the valve that couples according to actuator 100, shift lever 122 maybe can increase fluid through the valve fluid that maybe can reduce through valve that flows and flows in a clockwise direction.
Fig. 2 shows the example actuator 200 that is coupled to exemplary three-way valve 202.Example actuator 200 can be used to independently to move first and second valve plugs 204 and 206 with respect to separately hole or seating plane 208 and 210, flows with the fluid of control through it.Actuator 200 comprises main body 212, and it comprises the yoke 214 that is coupled to valve 202, and is coupled in second yoke 215 between first and second chamber 216 and 218 of main body 212.The first and second rotary actuator assemblies 220 and 222 can be placed in respectively in first and second chambeies 216 and 218.
In order to rotate the first rotary diaphragm plate 224; Barrier film 310-316 can receive the control signal that increases and/or reduce the pressure among the barrier film 310-316 separately; Promote the first rotary diaphragm plate 224 with specific direction (for example, clockwise direction, counterclockwise) thus.Particularly,, reduce the pressure in barrier film 312 and 316, and increase the pressure in barrier film 310 and 314 in order to rotate in a counter-clockwise direction the first rotary diaphragm plate 224.Increase pressure in the barrier film 310 and 314 and cause that barrier film 310 and 314 expands and act on the separator 318 and the first rotary diaphragm plate 224 of main body 212.Because separator 318 is static and/or fixing with respect to main body 212, so promote the first rotary diaphragm plate 224 by the expansion applied force of barrier film 310 and 314 with counter clockwise direction.In order to rotate first diaphragm plate 224 in a clockwise direction, reduce the pressure in barrier film 310 and 314, and increase the pressure in barrier film 312 and 316.Increase barrier film 312 and pressure in 316 and cause that barrier film 312 and 316 expands and act on the separator 318 and the first rotary diaphragm plate 224.Because separator 318 is static and/or fixing with respect to main body 212, so promote the first rotary diaphragm plate 224 in a clockwise direction by the power on the diaphragm plate that expansion is applied to 224 of barrier film 312 and 316.
Yoke 214 and 215 limits eyelet or opening 248 and 250, so that can approaching and adjusting packing nut 252 and 254.Packing nut 252 can engage (for example, directly engage or operationally engage) valve packing 256, and it is positioned between the bonnet 258 and second actuator rod 238 of valve 202.Packing nut 254 can engage (for example, directly engage or operationally engage) valve packing 260, and it is positioned between first and second actuator rod 226 and 238.Second actuator rod 238 can be around at least a portion of first actuator rod 226.
Be in operation, control independently moving of rotary diaphragm plate 224 and 236 via the pressure reduction between the chamber (for example, chamber 302-308) of the vicinity of each rotary diaphragm plate 224 and 236.More specifically, control moving of the first rotary diaphragm plate 224 through making fluid (for example, air, hydraulic fluid) inflow and the 302-308 of delivery chamber and/or barrier film 310-316, and control moving of second valve plug 206 thus.Similarly, through making moving of fluid (for example, air, hydraulic fluid) inflow and delivery chamber and/or barrier film (not shown, but be similar to chamber 302-308 and barrier film 308-316) the control second rotary diaphragm plate 236, and control moving of first valve plug 204 thus.
Fig. 3 shows the sectional drawing of first chamber 216 and first actuator 220.As shown in the figure, the separator 318 and the first rotary diaphragm plate 224 are divided into chamber 302-308 with first chamber 216, and barrier film 310-316 separately is positioned among the 302-308 of chamber.
Fig. 4 shows first chamber 216 that barrier film 310-316 is removed and the sectional drawing of first actuator 220.As shown in the figure, main body 212 can limit a plurality of eyelets or port 402-408, so that control signal can by barrier film 310-316 reception and/or so that the part of chamber 302-308 can be in for example atmospheric pressure.Though do not illustrate, each among the 302-308 of chamber can comprise one or more ports and/or portal.
Fig. 5 shows the sectional drawing of the part of example actuator 200.As shown in the figure, second chamber 218 can limit a plurality of eyelets and/or port 502 and 504, so that control signal can (for example, 310-316) be received and/or (for example, 302-308) part can be in for example atmospheric pressure so that the chamber by barrier film.Though do not illustrate, each chamber in second chamber 218 can comprise one or more ports and/or portal.
Fig. 6 shows the stereogram of the example actuator 200 that comprises eyelet or port 402,404,502 and 504.As shown in the figure, main body 212 limits eyelets 602,604 and 606, so that actuator rod 226 and 238 puts in chamber 216 and 218 and extend valve 202.
Fig. 7 shows the example actuator 700 that is coupled to exemplary four-way valve 702.Example actuator 700 can be rotary and linear actuators.Except moving first and second valve plugs 204 and 206 with respect to seating plane 208 and 210 independently, example actuator 700 can also move the 3rd valve plug 704 with respect to the 3rd hole or seating plane 706 independently.Valve plug 204 and 206 can be rotary valve plug, and valve plug 704 can be linear valve plug.Actuator 700 comprises main body 707, it comprise the yoke 214 that is coupled to valve 702, be coupled in second yoke 215 between first and second chambeies 216 and be coupled in second chamber 218 and the 3rd chamber 710 between the 3rd yoke 708.First and second actuators 220 and 222 can be positioned in first and second chambeies 216 and 218, and combine Fig. 2 to move as described above, and the 3rd piston assembly 712 can be positioned in the 3rd chamber 710.
The 3rd piston assembly 712 can comprise linearity or sliding bar piston 714, and it limits groove 716, and groove 716 holds Sealing and/or O-encircles 718 with sealing and/or the slip joint of realization with the internal surface 720 in the 3rd chamber 710.The 3rd piston assembly 712 also comprises the 3rd actuator rod 722, and it is coupled to piston 714 at first end 724, and is coupled to the 3rd valve plug 704 at second end 726.
Yoke 214,215 and 708 limits eyelet or opening 248,250 and 728, so that can approaching and adjusting packing nut 252,254 and 730.Packing nut 252 can engage (for example, directly engage or operationally engage) valve packing 256, and it is positioned between second actuator rod 734 of bonnet 732 and second actuator 222 of valve 702.Packing nut 254 can engage (for example, directly engage or operationally engage) valve packing 260, and it is positioned between first actuator rod 736 and second actuator rod 734.Packing nut 730 can engage (for example, directly engage or operationally engage) valve packing 740, and it is between first actuator rod 736 and the 3rd actuator rod 722.Second actuator rod 734 can center at least a portion of the first and the 3rd actuator rod 736 and 722, and first actuator rod 736 can be positioned between the second and the 3rd actuator rod 734 and 722.
Fig. 8 shows the sectional drawing of actuator 700.As shown in the figure, the 3rd chamber 710 limits port 802 and 804, and fluid (for example, air, hydraulic fluid) flows through port 802 and 804 to create the pressure reduction on the linear piston 714.More specifically, flow into and outflow port 802 and 804, come moving of control piston 714, and therefore control moving of the 3rd valve plug 704 through making streaming flow (for example, air, hydraulic fluid).
Fig. 9 shows the stereogram of the example actuator 700 that comprises eyelet or port 402,404,502 and 504.As shown in the figure, main body 707 limits eyelet 602,604,606 and 902, so that actuator rod 722,734 and 736 stretches into chamber 216,218 and 710 separately, and extends to valve 202.
Though described some illustrative methods, device and product herein, the coverage area of this patent is not limited thereto.On the contrary, this patent is contained all on literal or under doctrine of equivalents, drop on method, device and the product in the scope of accompanying claims in fact.
Claims (17)
1. actuator that is used to comprise the valve of first valve plug, second valve plug and bonnet comprises:
First chamber comprises:
The first rotary actuator assembly comprises:
At least one first rotary diaphragm plate;
Separator; And
First actuator rod, it is coupled to said at least one first rotary diaphragm plate at first end, and is coupled to said second valve plug at second end;
Second chamber comprises:
The second rotary actuator assembly comprises:
At least one second rotary diaphragm plate;
Separator; And
Second actuator rod, it is coupled to said at least one second rotary diaphragm plate at first end, and is coupled to said first valve plug at second end;
Main body; Comprise first yoke that is coupled to said valve and be coupled in said first chamber of said main body and second yoke between second chamber; And said main part limitation eyelet is so that said first and second actuator rods put in said first and second chambeies and extend said valve;
Wherein, said at least one the first rotary diaphragm plate and the second rotary diaphragm plate are divided into a plurality of chambers with its said first chamber and second chamber separately, and each said chamber holds barrier film, air bag or actuating component.
2. actuator according to claim 1 is characterized in that, the edge of said at least one the first rotary diaphragm plate and the second rotary diaphragm plate or part engage the internal surface in corresponding said first chamber and second chamber slidably and/or hermetically.
3. actuator according to claim 1; It is characterized in that; Said first actuator rod comprises spline, projection, tooth or surface structure, and it couples respectively or cooperates said at least one first rotary diaphragm plate and said second valve plug, and wherein; Said second actuator rod comprises spline, projection, tooth or surface structure, and it couples respectively or cooperates said at least one second rotary diaphragm plate and said first valve plug.
4. actuator according to claim 1 is characterized in that, with similar or different diameters and/or similarly or different height form said chamber cylindrically.
5. actuator according to claim 1 is characterized in that, also comprises adjustable valve packing, and it is positioned between said bonnet and said second actuator rod of said valve and/or between said first and second actuator rod.
6. actuator according to claim 1 is characterized in that, said second actuator rod is around at least a portion of said first actuator rod.
7. actuator according to claim 1; It is characterized in that; Also comprise a packing nut; Its joint is positioned in the said bonnet of said valve and the said valve packing between said second actuator rod, and another packing nut, and its joint is positioned in the said valve packing between said first and second actuator rod.
8. actuator according to claim 1 is characterized in that, said yoke limits eyelet or opening, so that can the approaching and said packing nut of adjusting.
9. actuator according to claim 1 is characterized in that, a plurality of eyelets of said main part limitation or port are so that control signal can by said barrier film reception and/or so that the part of said chamber can be in atmospheric pressure.
10. actuator according to claim 1 is characterized in that, said second chamber limits a plurality of eyelets and/or port, so that control signal can by the barrier film reception and/or so that the part of said chamber can be in atmospheric pressure.
11. actuator according to claim 1 is characterized in that, each chamber comprises one or more ports and/or portals.
12. each the described actuator according in the aforementioned claim is characterized in that said valve also comprises the 3rd valve plug; And said actuator also comprises the 3rd chamber; The 3rd piston assembly is positioned in said the 3rd chamber, and wherein said the 3rd piston assembly comprises linearity or sliding bar piston and the 3rd actuator rod, and it is coupled to said piston at first end; And be coupled to said the 3rd valve plug at second end; And said the 3rd chamber is coupled to said first chamber via the 3rd yoke, and said main part limitation eyelet, so that said three actuator rods put in said the 3rd chamber and extend said valve.
13. actuator according to claim 12 is characterized in that, said linearity or sliding bar piston limit groove, and it holds Sealing and/or 0-encircles with sealing and/or the slip joint of realization with the internal surface in said the 3rd chamber.
14. actuator according to claim 12 is characterized in that, also is included in the valve packing between said first actuator rod and said the 3rd actuator rod, and comprises the packing nut that engages said valve packing.
15. actuator according to claim 12 is characterized in that, said the 3rd yoke limits eyelet or opening so that can near and be adjusted in the said packing nut between said first actuator rod and said the 3rd actuator rod.
16. actuator according to claim 12 is characterized in that, said second actuator rod is around said first and at least a portion of the 3rd actuator rod, and said first actuator rod is positioned between the said second and the 3rd actuator rod.
17. actuator according to claim 12 is characterized in that, said the 3rd chamber limits port, and fluid flows through port to create the pressure reduction on the said piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202976246U CN202188203U (en) | 2011-08-11 | 2011-08-11 | Actuator for fluid control device with fluid flow control components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202976246U CN202188203U (en) | 2011-08-11 | 2011-08-11 | Actuator for fluid control device with fluid flow control components |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202188203U true CN202188203U (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202976246U Expired - Lifetime CN202188203U (en) | 2011-08-11 | 2011-08-11 | Actuator for fluid control device with fluid flow control components |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202188203U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015713A (en) * | 2015-03-26 | 2016-10-12 | 丹佛斯有限公司 | Valve actuator with setting actuator |
| CN108603617A (en) * | 2016-02-11 | 2018-09-28 | 丹佛斯有限公司 | Valve arrangement and diaphragm assembly for valve arrangement |
-
2011
- 2011-08-11 CN CN2011202976246U patent/CN202188203U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015713A (en) * | 2015-03-26 | 2016-10-12 | 丹佛斯有限公司 | Valve actuator with setting actuator |
| CN106015713B (en) * | 2015-03-26 | 2018-06-29 | 丹佛斯有限公司 | Valve actuator with setting actuator |
| CN108603617A (en) * | 2016-02-11 | 2018-09-28 | 丹佛斯有限公司 | Valve arrangement and diaphragm assembly for valve arrangement |
| CN108603617B (en) * | 2016-02-11 | 2020-09-04 | 丹佛斯有限公司 | Valve arrangement and diaphragm assembly for a valve arrangement |
| US10948105B2 (en) | 2016-02-11 | 2021-03-16 | Danfoss A/S | Valve arrangement and diaphragm assembly for a valve arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120411 |