CN101000104A - Novel butterfly spool for forming near linear relation between through flow and spool corner and butterfly valve thereof - Google Patents
Novel butterfly spool for forming near linear relation between through flow and spool corner and butterfly valve thereof Download PDFInfo
- Publication number
- CN101000104A CN101000104A CN 200610114299 CN200610114299A CN101000104A CN 101000104 A CN101000104 A CN 101000104A CN 200610114299 CN200610114299 CN 200610114299 CN 200610114299 A CN200610114299 A CN 200610114299A CN 101000104 A CN101000104 A CN 101000104A
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- spool
- flow
- butterfly
- valve
- corner
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Abstract
The invention provides a novel butterfly valve core, comprising a valve plate, and characterized in that: a. the axis of its rotating shaft passes through the center of the valve plate and makes a certain dip with the plane of the valve plate; b. one or two sides of the surface of the valve plate are provided with one or several auxiliary plates. And it can implement an approximate linear relation between flow and valve core corner, thus implementing a simple quantization relation between flow and valve core corner, so as to control change of flow. And the invention also provides a butterfly valve using it.
Description
Technical field
The present invention relates to the valve body technology, especially relate to a kind of may command butterfly valve core valve body and make its corner have the novel butterfly valve core of near linear linear relationship by flow and butterfly spool, and use this spool come fast, stable, control valve is by the novel butterfly valve of flow exactly.
Background technique
At present, the valve body of existing butterfly valve core all is partly to be made of housing, butterfly valve block, rotating assembly and operating mechanism thereof etc. as its structure of butterfly valve.Wherein operating mechanism is by regulating the valve block corner, changing valve drag characteristic or flow coefficient, thereby makes the flow by valve change to reach the purpose of flow parameter in pilot line or the path thereupon.
But its valve block of existing reed valve generally all is circle or cartouche, and the rotating shaft of valve block is not only by valve block center and valve block planes overlapping and perpendicular with the housing axis, and valve block is around this rotating shaft rotation during work.Valve by flow size (hereinafter to be referred as passing through flow) and the valve block corner between have the relation of non-rectilinear linearity, in the process of valve block from the standard-sized sheet to the complete shut-down, under the situation of identical corner variable quantity, very little by the influence of flow in this corner variation of starting stage to valve, but but can cause significantly changing to the process latter end by flow; Vice versa.
Obviously, though this flow control regulative mode of common butterfly valve is simple, but because by having very complicated non-rectilinear linear relationship between flow and the valve block corner, making can not even regulation by flow, Flow-rate adjustment is mainly carried out in the zone near the valve block complete shut-down, since very big the closer to the amplitude of accommodation of complete shut-down position and flow, make that the adjusting control of flow is very unstable.
Especially for the butterfly valve that is equipped with automatic commanding apparatus, its automatic commanding apparatus does not generally have corner detector (or function), it is handled by simple straight linear relation in the corner regulated quantity of position and the corresponding relation that passes through between the regulated quantity of flow valve block, the easy like this problems such as adjusting time length and adjusting instability that cause.Be head it off, intermediate manufacturer is that valve has increased complicated intelligent control mechanism or control program, and corresponding transmission system, but has increased cost, size and weight and the corresponding maintaining difficulty of valve control section thus greatly.
Summary of the invention
Be difficult to accurate control valve its defective and deficiency at what existing butterfly spool existed by flow, one object of the present invention is to provide a kind of novel butterfly spool, utilize this spool can realize making spool corner and by having approximate straight linear relation between the flow, thereby make valve body pass through have simple quantitative relationship between flow and the spool corner so that the change of control valve body flow.
Another object of the present invention is to provide a kind of application that the novel butterfly valve of above-mentioned spool is arranged.This butterfly valve can not only be regulated by flow, and can make by flow and become the near linear linear relationship with its valve block corner, and it is more convenient, even to make this butterfly valve flow control regulate, and makes simply, and cost is low.
The technical solution adopted for the present invention to solve the technical problems is:
Can make the novel butterfly spool that becomes the near linear linear relationship by flow with spool corner, comprise valve block, it is characterized in that: the shaft axis of the described butterfly spool of a. has certain inclination angle by this valve block center and with this valve block plane; The one or both sides of b. described valve block plate face are provided with the one or a few blocks supplementary plate.
Described supplementary plate is when spool is in fully open position, and its plane is parallel with fluid flow direction.
In the supplementary plate of described both sides wherein one or both sides all have at least its plane of supplementary plate to overlap with rotating shaft.
Inclination angle between described shaft axis and the valve block plane is 45 °.
Supplementary plate on the described valve block biside plate face is symmetrical arranged for rotation, is convenient to the uniform flux adjusting that two-way fluid flows.
A kind of application has the butterfly valve of aforesaid spool, it is characterized in that: the spool of described butterfly valve is aforesaid spool.
The rotating shaft of described spool and butterfly valve housing axis have certain inclination angle.
The rotating shaft of described spool and butterfly valve housing axis angle at 45.
Technique effect of the present invention is:
The present invention is provided with by this valve block center and the rotating shaft that tiltedly is provided with this valve block plane angle lapping at 45 by butterfly spool valve block, and on described valve block biside plate face, be respectively arranged with the one or a few blocks supplementary plate, changed traditional butterfly spool rotating shaft position, the spool valve block is with this rotating shaft rotation, under the resistance supplementary function of supplementary plate, make variation by flow in each angle position homogenization.And, can obtain best uniform flux variation effect by adjusting quantity, the size and dimension of supplementary plate.Realize spool corner and concern by having approximate straight linear between the flow, thus make valve body pass through have simple quantitative relationship between flow and the spool corner so that the change of control valve body flow.
The supplementary plate plane is parallel with fluid flow direction at fully open position, makes flow resistance minimum when fluid passes through valve body, thereby by the flow maximum.
Flow resistance when plane, supplementary plate place overlaps with shaft axis and not only helps reducing spool and be in fully open position can be used as the structure that valve core shaft is puted forth effort simultaneously, and is convenient to manufacture.
Because sealing material is not passed in rotating shaft, therefore sealing effect of the present invention is better than common butterfly valve.
In addition, the present invention also provides a kind of butterfly valve of using above-mentioned spool, because this butterfly valve is used above-mentioned spool, make the spool corner of this butterfly valve and by having approximate straight linear relation between the flow, this by having simple quantitative relationship between flow and the spool corner, be convenient to very much the change of control valve body flow; Using this spool simultaneously can use and promote in being convenient to produce so that the production of this butterfly valve, operation expense and size and weight reduce greatly.
Description of drawings
Fig. 1, Fig. 2, Fig. 3 are respectively left view, plan view, the plan view of butterfly valve of the present invention under full closing state;
Fig. 4, Fig. 5, Fig. 6 are respectively left view, plan view, the plan view of butterfly valve of the present invention under semi-open state;
Fig. 7, Fig. 8, Fig. 9 are respectively left view, plan view, the plan view of butterfly valve of the present invention under the full open state.
Reference character lists as follows:
The 1-housing, 2-valve block, 3-rotating shaft, 4-supplementary plate, 5-supplementary plate.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing.
As Fig. 1, Fig. 2, left view, plan view, the plan view of butterfly valve of the present invention under full closing state that be respectively shown in Figure 3.Sealing gasket in valve block 2 circumference and the housing 1 fits tightly, and this moment, fluid can not pass through.At full closing state, because the rotating shaft of butterfly valve valve block of the present invention is without the outer rim of valve block 2, can not produce interference with the sealing gasket of valve block 2, improved the assembly condition and the force-bearing situation of valve block, so sealability of the present invention obviously is better than common butterfly valve.
The present invention has changed the position of common butterfly valve middle valve plate rotating shaft.In the present embodiment, rotating shaft 3 its axis are by valve block 2 centers, and with valve block 2 planes and housing 1 axis all in angle of 45 degrees; And being provided with supplementary plate 4 and supplementary plate 5 respectively in butterfly valve valve block 2 plate both sides, supplementary plate 4 is parallel with fluid flow direction when valve block 2 is fully open position with supplementary plate 5, the flow resistance in the time of can reducing standard-sized sheet like this; Wherein supplementary plate plane, 4 place and rotating shaft 3 deads in line, the flow resistance when such structure both can reduce work can be used as the structure that valve core shaft is puted forth effort simultaneously, and is convenient to the manufacturing of spool.
Fig. 4, Fig. 5, left view, plan view, the plan view of butterfly valve of the present invention under semi-open state that be respectively shown in Figure 6.Valve block 2 by closed condition in this state change process, valve block 2 and supplementary plate 4,5 rotate with rotating shaft 3 simultaneously, its variation by flow in this stage of common butterfly valve is very big with corner variable quantity increasing degree, supplementary plate that the present invention adopts 4,5 has strengthened fluid vortex in this stage, flow resistance increases, and has reduced the amplitude of variation by flow.
Fig. 7, Fig. 8, left view, plan view, the plan view of butterfly valve of the present invention under the full open state that be respectively shown in Figure 9.Valve block 2 by semi-open state in the process of full open change of state, valve block 2 and supplementary plate 4,5 continue to rotate with rotating shaft 3 simultaneously, in this stage, its variation by flow of common butterfly valve reduces with corner variable quantity amplitude of variation, this moment, supplementary plate 4,5 still played the resistance supplementary function, made variation by flow in each angle position homogenization.
In addition, by adjusting quantity, the size and dimension of supplementary plate, can obtain best uniform flux variation effect.
The above is a preferred implementation of the present invention only, should be pointed out that for a person skilled in the art, according to spirit of the present invention and essence, can also make a lot of modification and improvement, but these modification and improvement all will fall into protection scope of the present invention.
Claims (9)
1. can make the novel butterfly spool that becomes the near linear linear relationship by flow with spool corner, comprise valve block, it is characterized in that:
The shaft axis of a. described butterfly spool has certain inclination angle by this valve block center and with this valve block plane;
The one or both sides of b. described valve block plate face are provided with the one or a few blocks supplementary plate.
2. the novel butterfly spool that becomes the near linear linear relationship by flow with spool corner that makes as claimed in claim 1, it is characterized in that: described supplementary plate is when spool is in fully open position, and its plane is parallel with fluid flow direction.
3. the novel butterfly spool that becomes the near linear linear relationship by flow with spool corner that makes as claimed in claim 2 is characterized in that: in the supplementary plate of described both sides wherein one or both sides all have at least its plane of supplementary plate to overlap with rotating shaft.
4. the novel butterfly spool that becomes the near linear linear relationship by flow with spool corner that makes as claimed in claim 3, it is characterized in that: the inclination angle between described shaft axis and the valve block plane is 45 °.
5. the novel butterfly spool that becomes the near linear linear relationship by flow with spool corner that makes as claimed in claim 4 is characterized in that: the supplementary plate on the described valve block biside plate face is symmetrical arranged for rotation.
6. the novel butterfly spool that becomes the near linear linear relationship by flow with spool corner that makes as claimed in claim 5, it is characterized in that: sealing material is not passed in described valve block rotating shaft.
7. an application has the butterfly valve of spool as claimed in claim 1, and it is characterized in that: the spool of described butterfly valve is a spool as claimed in claim 1.
8. butterfly valve as claimed in claim 7 is characterized in that: the rotating shaft of described spool and butterfly valve housing axis have certain inclination angle.
9. butterfly valve as claimed in claim 8 is characterized in that: the inclination angle of the rotating shaft of described spool and butterfly valve housing axis is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610114299 CN101000104A (en) | 2006-11-03 | 2006-11-03 | Novel butterfly spool for forming near linear relation between through flow and spool corner and butterfly valve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610114299 CN101000104A (en) | 2006-11-03 | 2006-11-03 | Novel butterfly spool for forming near linear relation between through flow and spool corner and butterfly valve thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101000104A true CN101000104A (en) | 2007-07-18 |
Family
ID=38692188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610114299 Withdrawn CN101000104A (en) | 2006-11-03 | 2006-11-03 | Novel butterfly spool for forming near linear relation between through flow and spool corner and butterfly valve thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101000104A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008061472A1 (en) * | 2006-11-22 | 2008-05-29 | Yaode Yang | A new type butterfly valve core and its butterfly valve |
| CN103438226A (en) * | 2013-09-05 | 2013-12-11 | 中国北方发动机研究所(天津) | Variable-parameter eccentric butterfly valve structure |
| CN110220004A (en) * | 2019-06-10 | 2019-09-10 | 江西艾芬达暖通科技股份有限公司 | It is a kind of double-current to temperature control valve body |
-
2006
- 2006-11-03 CN CN 200610114299 patent/CN101000104A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008061472A1 (en) * | 2006-11-22 | 2008-05-29 | Yaode Yang | A new type butterfly valve core and its butterfly valve |
| CN103438226A (en) * | 2013-09-05 | 2013-12-11 | 中国北方发动机研究所(天津) | Variable-parameter eccentric butterfly valve structure |
| CN110220004A (en) * | 2019-06-10 | 2019-09-10 | 江西艾芬达暖通科技股份有限公司 | It is a kind of double-current to temperature control valve body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |