CN202301990U - Fluid control device with multiple fluid flowage control components and butterfly valve - Google Patents
Fluid control device with multiple fluid flowage control components and butterfly valve Download PDFInfo
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- CN202301990U CN202301990U CN2011202974503U CN201120297450U CN202301990U CN 202301990 U CN202301990 U CN 202301990U CN 2011202974503 U CN2011202974503 U CN 2011202974503U CN 201120297450 U CN201120297450 U CN 201120297450U CN 202301990 U CN202301990 U CN 202301990U
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Abstract
The utility model provides a fluid control device with a plurality of fluid flowage control components and a butterfly valve. The fluid control device comprises a main body, a plurality of butterfly valves and a plurality of valve shafts, wherein the main body limits a flowage opening and a hole; the butterfly valves are arranged in the flowage opening; the valve shafts are positioned in the hole; each of the butterfly valves is coupled to the corresponding valve shaft; and each of the valve shafts respectively controls the position of each of the butterfly valves relative to a corresponding supporting surface.
Description
Technical field
This patent relates to fluid control device, more specifically, relates to fluid control device and butterfly valve with 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, the butterfly valve fluid that is used to control through process flows.
Fig. 1 shows known butterfly valve 100.This valve 100 comprises main body 102, and it limits flow openings (for example, entrance and exit) 104 and hole 106, to hold valve shaft 108.Adjustable packing nut 110 can be coupled to the end 112 of main body 102, engages with valve shaft 108 and hole 106 to promote valve packing 114.Be in operation, valve shaft 108 is rotated to move valve disc 116 relative to supporting surface 118, and is mobile thereby the fluid of flow openings 104 is passed through in control.Because with valve disc 116 from operating position move to before the enable possition and/or in, on valve disc 116, applied great power, when opening valve 100, may experience great starting torque.
The model utility content
In the existing technology, with valve disc 116 from operating position move to before the enable possition and/or in, on valve disc 116, applied great power, when opening valve 100, may experience great starting torque.The utility model hopes the technical problem that solves is how to reduce starting torque in fact.
According to the first aspect of the utility model, a kind of butterfly valve is provided, comprising: main body, it limits first opening and hole; And first and second valve discs, it is set in this first opening; First and second valve shafts, it is arranged in this hole at least in part; Wherein, This first valve disc is coupled to this first valve shaft; This first valve disc of this first valve shaft control is with respect to the position of the supporting surface of this main body, and this second valve disc is coupled to this second valve shaft, and this this second valve disc of second valve shaft control is with respect to the position of the supporting surface of this first valve disc.
Advantageously, this first valve shaft also limits second opening, and this second valve shaft extends through this second opening, so that this second valve shaft can stretch into main body.
Advantageously, butterfly valve also comprises: the first valve packing, and it is arranged between this main body and this first valve shaft; First packing nut, it engages this first valve packing; The second valve packing, it is arranged between this first valve shaft and this second valve shaft; Second packing nut, it engages this second valve packing.
Advantageously, this main part limitation the 3rd opening, the end that is coupled to this first valve disc extends in the 3rd opening with this first valve disc that aligns with respect to this supporting surface; And/or this first valve disc limits the 4th opening, and the end that is coupled to this second valve disc extends in the 4th opening with respect to this this second valve disc of supporting surface alignment.
Advantageously, this first valve disc limits outer groove, and it holds first Sealing of this supporting surface that is configured to engage hermetically this main body; And/or this first valve disc qualification inner groovy, it holds second Sealing that is configured to engage hermetically this second valve disc.
According to the second aspect of the utility model, a kind of fluid control device with a plurality of fluid FLOW CONTROL members is provided, comprising: main body, it limits flow openings and hole; A plurality of valve discs, it is set in this flow openings; A plurality of valve shafts, it is arranged in this hole; Wherein, each in these a plurality of valve discs is coupled to corresponding valve shaft, and each in these a plurality of valve shafts is controlled each position with respect to corresponding supporting surface in these a plurality of valve discs respectively.
Adopt the scheme of the utility model, can obtain to reduce in fact the technique effect of starting torque.
Description of drawings
Fig. 1 shows a known butterfly valve;
The schematic representation of the exemplary butterfly valve of the valve disc of dress in Fig. 2 shows and has;
Fig. 3-5 shows the perspective view and the partial cross section figure of diverse location of the exemplary two-stage actuator of the exemplary butterfly valve that is couple to Fig. 2;
Fig. 6 shows the explosive view of the exemplary butterfly valve of Fig. 2;
Fig. 7 shows the part of the exemplary butterfly valve of Fig. 2.
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 be exaggerated on ratio or illustrated with schematic representation with some view.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 exemplary fluid control gear with a plurality of fluid FLOW CONTROL members.More specifically, example described herein relate to have in valve disc and the butterfly valve of valve shaft of dress, it is feasible compares with known butterfly valve, reduces starting torque in fact.The main body of exemplary butterfly valve can limit inlet, outlet and hole to hold the valve shaft of a plurality of interior dresses.Outside or first valve shaft can be coupled to outer valve disc and interior valve shaft or second valve shaft can be coupled to interior valve disc.Interior valve disc can be surrounded by outer valve disc, is contained in the outer valve disc in the valve disc in making.Additionally, interior valve disc can rotatably be coupled in the outer valve disc, and, in some position (for example, butterfly valve opens fully or cuts out fully), can engage the internal diameter of outer valve disc hermetically.Valve disc and/or outer valve disc make fluid flow through valve disc in moving.
Outer valve shaft can limit opening, and interior valve shaft stretches out through this opening, so that interior valve shaft can stretch into valve body and be coupled to interior valve disc.Adjustable valve packing can be set between main body and the outer valve shaft of butterfly valve and/or interior valve shaft and outside between the valve shaft.Interior valve shaft can be coupled to interior valve disc, and its control is flowed through the fluid of the supporting surface of flow openings and/or outer valve disc.Outer valve shaft can be coupled to outer valve disc, and its control is flowed through the fluid of the supporting surface of flow openings and/or valve body.The supporting surface of valve body and/or outer valve disc can comprise black box (for example, seal ring, etc.) and/or O type ring.
The main body of butterfly valve can comprise opening and/or sleeve pipe, and the end of outer valve disc, axle and/or part can be set in this opening and/or the sleeve pipe, with the outer valve disc of supporting surface alignment with respect to main body.Similarly, outer valve disc can comprise opening and/or sleeve pipe, and the end of interior valve disc, axle and/or part can be set in this opening and/or the sleeve pipe, with the interior valve disc of supporting surface alignment with respect to the internal diameter that is close to outer valve disc.
Fig. 2 shows exemplary butterfly valve 200.Valve 200 comprises main body 202, and it limits flow openings (for example, entrance and exit) 204 and hole 206.For the fluid of controlling through flow openings 204 flows, first and second valve discs 208 and 210 are set in the flow openings 204.First valve disc 208 is coupled to the position of first valve shaft, 212, the first valve shafts, 212 controls, first valve disc 208 with respect to the supporting surface 214 of main body 202.Similarly, second valve disc 210 is coupled to the position of second valve shaft, 216, the second valve shafts, 216 controls, second valve disc 210 with respect to the supporting surface 218 of first valve disc 208.
Be in operation, the configuration of the actuator that is coupled according to the valve 200 of example, valve shaft 212 and 216 can be independently and/or be classified to movably with corresponding valve disc 208 and 210.In some instances, second valve disc 210 can move to break away from supporting surface 218, to be moved at first valve disc 208 to make the interior flow openings 238 that fluid can flow and limited through first butterfly valve 208 before the disengaging supporting surface 214.Along with second valve disc 210 is in open position in fact, first valve disc 208 can be moved to break away from supporting surface 214 and valve 200 to be placed the position of opening fully.In the position of opening fully, second valve disc 210 can engage the supporting surface 218 of first valve disc 208 hermetically to stop 210 influences of second valve disc mobile through the fluid of valve 200 in fact.
Fig. 3-5 shows the perspective partial cross section figure at the exemplary butterfly valve 200 of diverse location that is couple to example actuator 300.The actuator 300 of example comprises the main body 302 that limits port 304, and this port 304 is used for receiving supply pressure and/or control signal.Actuator 300 also comprises chamber 306, exemplary septum 308, exemplary first and second diaphragm plates 310 and 312, first and second springs 402 (Fig. 4) and 314 and first, second be placed in the chamber with the 3rd actuator rod 316,318 and 320.
Be in operation, actuator 300 can be movably in two levels.In the first order, barrier film 308 rotates in a counter-clockwise direction second valve shaft 216 to move first diaphragm plate 310 and second actuator rod 318 by the direction shown in the arrow 322 haply, and second valve disc 210 is placed open position as shown in Figure 4.First diaphragm plate 310 holds until the groove (not shown) of first diaphragm plate, 310 joints, second diaphragm plate 312 and/or by the groove (not shown) of second diaphragm plate 312 to be moved by the direction shown in the arrow 322 haply.
In the second level; The barrier film 308 and/or first diaphragm plate 310 are to move second diaphragm plate 312 and actuator rod 316-320 by the direction shown in the arrow 322 haply; Rotate in a counter-clockwise direction valve shaft 212 and 216, and first valve disc 208 is placed open position as shown in Figure 5.First and second diaphragm plates 310 and 312 can engage stroke limit 324 until second actuator rod 318 to be moved by the direction shown in the arrow 322 haply.Stroke limit 324 threadably engage body 302 to realize adjusting to it.
Fig. 3 shows actuator in the closed position 300 and butterfly valve 200.In itself, the clothes of making every effort to overcome that are applied on the barrier film 308 by spring 402 (Fig. 4) and 314 are applied to the power on the barrier film 308 by control pressure.Therefore, actuator rod 316-320 is positioned in and makes valve disc 208 supporting surface 214 of engage body 202 hermetically of winning, and second valve disc 210 engages the position of the supporting surface 218 of first valve disc 208 hermetically.
Fig. 4 shows actuator 300 and the butterfly valve 200 that is in a partly opened position.In itself, the clothes of making every effort to overcome that are applied on the barrier film 308 by control pressure are applied to the power on the barrier film 308 by first spring 402, are not applied to the power on the barrier film 308 but overcome by second spring 314.Therefore, second actuator rod 318 and second valve shaft 216 are positioned in and make second valve disc 210 be in the position of open position (for example, unsealing ground engages the supporting surface 218 of first valve disc 210) in fact.The actuator rod 316 and 320 and first valve shaft 212 are positioned in and make valve disc 208 supporting surface 214 of engage body 202 hermetically of winning.Through before opening first valve disc 208, opening second valve disc 210, reduced the starting torque that when opening traditional butterfly valve, takes place usually.
Fig. 5 shows actuator 300 and the butterfly valve 200 that is in a fully open position.In itself, the clothes of making every effort to overcome that are applied on the barrier film 308 by control pressure are applied to the power on the barrier film 308 by first and second spring 402 and 314.Therefore, actuator rod 316 and 320 is configured to make the valve disc 208 of winning to be shown in an open position (for example, unsealing ground engage supporting surface 214).In the fully open position, second valve disc 210 can engage the supporting surface 218 of first valve disc 208 hermetically, and is mobile through the fluid of valve 200 to prevent 210 influences of second valve disc in fact.
Fig. 6 shows the explosive view of the exemplary butterfly valve 200 of Fig. 2.As shown in the figure, in some instances, first valve disc 208 can limit outer groove 602, and it holds and is configured to first Sealing or the O type ring 604 of the supporting surface 214 of engage body 202 hermetically.First valve disc 208 can also limit inner groovy 606, and it holds second Sealing or the O type ring 608 that is configured to engage hermetically second valve disc 210.Though not shown, valve 200 can additionally or alternatively comprise black box (for example, seat ring etc.), so that first and/or second valve disc 208 and 210 engages supporting surface 214 and 218 separately hermetically.
Fig. 7 shows the part of exemplary butterfly valve 200.Valve packing 224 as shown in the figure, that first packing nut 222 engages between the main body 202 and first valve shaft 212, and the 226 valve packings 228 of joint between first and second valve shafts 212 and 216 of second packing nut.
Although described some illustrative methods, equipment and manufacture a product at this, the application's coverage area is not limited thereto.On the contrary, the application covers from literal and goes up or under doctrine of equivalents, fall into all methods, the equipment of accompanying claims scope fully and manufacture a product.
Claims (6)
1. butterfly valve comprises:
Main body (202), it limits first opening (204) and hole (206); And
First and second valve discs (208,210), it is set in this first opening (204);
First and second valve shafts (212,216), it is arranged in this hole (206) at least in part;
Wherein, This first valve disc (208) is coupled to this first valve shaft (212); This first valve shaft (212) is controlled the position of this first valve disc (208) with respect to the supporting surface (214) of this main body (202); And this second valve disc (210) is coupled to this second valve shaft (216), and this second valve shaft (216) is controlled the position of this second valve disc (210) with respect to the supporting surface (218) of this first valve disc (208).
2. butterfly valve according to claim 1 is characterized in that, this first valve shaft (212) also limits second opening (220), and this second valve shaft (216) extends through this second opening (220), so that this second valve shaft (216) can stretch into main body (202).
3. butterfly valve according to claim 1 also comprises:
The first valve packing (224), it is arranged between this main body (202) and this first valve shaft (212);
First packing nut (222), it engages this first valve packing (224);
The second valve packing (228), it is arranged between this first valve shaft (212) and this second valve shaft (216);
Second packing nut (226), it engages this second valve packing (228).
4. butterfly valve according to claim 1; It is characterized in that; This main body (202) limits the 3rd opening (230), and the end (232) that is coupled to this first valve disc (208) extends in the 3rd opening (230) with this first valve disc (208) that aligns with respect to this supporting surface (214); And/or
This first valve disc (208) limits the 4th opening (234), and the end (236) that is coupled to this second valve disc (210) extends in the 4th opening (234) with this second valve disc (210) that aligns with respect to this supporting surface (218).
5. butterfly valve according to claim 1 is characterized in that,
This first valve disc (208) limits outer groove (602), and it holds first Sealing (604) of this supporting surface (214) that is configured to engage hermetically this main body (202); And/or
This first valve disc (208) limits inner groovy (606), and it holds second Sealing (608) that is configured to engage hermetically this second valve disc (210).
6. fluid control device with a plurality of fluid FLOW CONTROL members comprises:
Main body (202), it limits flow openings (204) and hole (206);
A plurality of valve discs (208,210), it is set in this flow openings (204);
A plurality of valve shafts (212,216), it is arranged in this hole (206);
Wherein, each in these a plurality of valve discs (208,210) is coupled to corresponding valve shaft (212,216), and this valve shaft (212,216) is controlled each position with respect to corresponding supporting surface (214,218) in this valve disc (208,210).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202974503U CN202301990U (en) | 2011-08-11 | 2011-08-11 | Fluid control device with multiple fluid flowage control components and butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202974503U CN202301990U (en) | 2011-08-11 | 2011-08-11 | Fluid control device with multiple fluid flowage control components and butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202301990U true CN202301990U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202974503U Expired - Lifetime CN202301990U (en) | 2011-08-11 | 2011-08-11 | Fluid control device with multiple fluid flowage control components and butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202301990U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268511A (en) * | 2018-10-30 | 2019-01-25 | 南安市瑞方机械科技有限公司 | A kind of combined type butterfly valve adjusted with double pressures |
| CN111765255A (en) * | 2020-07-04 | 2020-10-13 | 邵立坤 | Long-life butterfly valve |
| WO2021019572A1 (en) * | 2019-08-01 | 2021-02-04 | Prashant Chaudhari | "disc in disc butterfly valve" or "multidisc" or "multitrim butterfly valve" or "1+n trim butterfly valve" |
-
2011
- 2011-08-11 CN CN2011202974503U patent/CN202301990U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268511A (en) * | 2018-10-30 | 2019-01-25 | 南安市瑞方机械科技有限公司 | A kind of combined type butterfly valve adjusted with double pressures |
| WO2021019572A1 (en) * | 2019-08-01 | 2021-02-04 | Prashant Chaudhari | "disc in disc butterfly valve" or "multidisc" or "multitrim butterfly valve" or "1+n trim butterfly valve" |
| CN111765255A (en) * | 2020-07-04 | 2020-10-13 | 邵立坤 | Long-life butterfly valve |
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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: 20120704 |