WO2008061472A1 - Boisseau de vanne papillon de type nouveau et vanne papillon associée - Google Patents

Boisseau de vanne papillon de type nouveau et vanne papillon associée Download PDF

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Publication number
WO2008061472A1
WO2008061472A1 PCT/CN2007/071084 CN2007071084W WO2008061472A1 WO 2008061472 A1 WO2008061472 A1 WO 2008061472A1 CN 2007071084 W CN2007071084 W CN 2007071084W WO 2008061472 A1 WO2008061472 A1 WO 2008061472A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
spool
butterfly valve
butterfly
angle
Prior art date
Application number
PCT/CN2007/071084
Other languages
English (en)
Chinese (zh)
Inventor
Yaode Yang
Original Assignee
Yaode Yang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yaode Yang filed Critical Yaode Yang
Publication of WO2008061472A1 publication Critical patent/WO2008061472A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/222—Shaping of the valve member
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
    • F16K1/2265—Shaping or arrangements of the sealing the sealing being arranged on the valve seat with a channel- or U-shaped seal covering a central body portion
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/48—Attaching valve members to screw-spindles
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209—Check valves or pivoted valves
    • F16K27/0218—Butterfly valves

Definitions

  • the invention relates to a valve body technology, in particular to a novel butterfly valve core capable of controlling a butterfly valve body to have an approximately linear or square linear relationship between a flow rate and a corner of a butterfly valve core, and the application of the valve core A new butterfly valve that provides fast, stable, and precise control of valve flow.
  • the valve body of the existing butterfly valve body such as a butterfly valve
  • the valve body of the existing butterfly valve body is generally constructed of a housing, a butterfly valve plate, a shaft assembly, and an operating mechanism thereof.
  • the operating mechanism adjusts the valve flap angle to change the valve resistance characteristic or flow coefficient, so that the flow rate through the valve changes to achieve the purpose of controlling the flow parameters in the pipeline or passage.
  • the existing butterfly valve generally has a circular or elliptical profile, and the rotating shaft of the valve plate not only coincides with the plane of the valve plate through the center of the valve plate but also perpendicular to the axis of the casing, and the valve plate rotates around the rotating shaft during operation.
  • the valve has a complicated curve relationship between the flow rate (hereinafter referred to as the flow rate) and the angle of the valve plate.
  • the flow rate the flow rate
  • the angle of the valve plate In the process from the full opening to the full closing of the valve, in the case of the same angular variation, in the initial stage This change in corner angle has little effect on the flow through the valve, but at the end of the process it causes a large change in the flow rate; and vice versa.
  • the flow control adjustment mode of the ordinary butterfly valve is simple, but because of the complicated curve relationship between the flow rate and the corner of the valve plate, the flow rate can not be uniformly and accurately adjusted, and the flow adjustment is mainly close to the valve plate.
  • the area is controlled, because the adjustment range of the flow closer to the fully closed position is large, so that the flow control adjustment is unstable.
  • the automatic operating device generally does not have a rotation angle detecting device (or function), such as a correspondence relationship between the amount of adjustment of the angle of the valve piece at each position and the amount of adjustment of the passing flow rate.
  • a rotation angle detecting device or function
  • problems such as long adjustment time and unstable regulation.
  • some manufacturers have added complicated intelligent control mechanisms or control programs to the valves, as well as the corresponding transmission system, but this has greatly increased the cost, size and weight of the valve control part and the corresponding maintenance difficulty.
  • an object of the present invention is to provide a novel butterfly valve core, which can realize the valve core rotation angle and the flow rate. There is an approximate linear or square linear relationship between the two, so that the flow rate of the valve body and the spool angle have a quantitative relationship between the cylinders, so as to control the change of the valve body flow.
  • the flow rate is proportional to the spool angle, and the flow rate is uniformly adjusted by adjusting the spool angle.
  • the flow rate is proportional to the square of the spool angle.
  • the flow rate is smaller when the flow angle is smaller and the flow rate is smaller. Therefore, as the rotation angle changes, the amount of change in flow rate is proportional to the flow rate itself, which facilitates accurate flow control.
  • Another object of the present invention is to provide a novel butterfly valve to which the above valve core is applied.
  • the butterfly valve can not only adjust the flow rate, but also make the flow rate and its valve angle into an approximately linear or square linear relationship, which makes the butterfly valve flow control adjustment more convenient, uniform, accurate, and the manufacture of the single, low cost.
  • a novel butterfly valve spool having an approximately linear or square linear relationship between flow rate and spool angle including a valve plate, characterized in that: a. the shaft axis of the butterfly spool passes through the center of the valve plate and is associated with the valve The plane of the sheet has a certain inclination angle; b. One or several auxiliary pieces are disposed on one side or both sides of the surface of the valve sheet.
  • the auxiliary sheet has a plane parallel to the fluid flow direction when the spool is in the fully open position.
  • One or both sides of the two side auxiliary sheets have at least one auxiliary sheet whose plane coincides with the rotating shaft.
  • the inclination angle between the axis of the shaft and the plane of the valve plate is 45 °.
  • the auxiliary sheets on the two sides of the valve plate are rotationally symmetrically arranged to facilitate uniform flow adjustment of the fluid bidirectional flow.
  • a butterfly valve using a spool as described above characterized in that: the spool of the butterfly valve is a spool as described above.
  • the rotating shaft of the spool has a certain inclination angle with the axis of the butterfly valve housing.
  • the spool of the spool is at 45 with the axis of the butterfly valve housing. angle.
  • the invention is provided on the butterfly valve core valve plate through the center of the valve plate and
  • the valve plane is at 45.
  • a rotating shaft with an angled inclination, and one or several auxiliary pieces are respectively disposed on the two sides of the valve plate, which changes the position of the traditional butterfly valve spool, and the valve core valve rotates with the rotating shaft, in the auxiliary piece Under the action of the resistance, the change in the flow rate is made uniform at each corner position. And by adjusting the number, size and shape of the auxiliary pieces, the best uniform flow change effect can be obtained.
  • a single linear relationship between the spool angle and the passing flow rate such as a linear or square linear relationship, is achieved, so that the flow passage of the valve body and the spool angle have a quantitative relationship between the cylinders, so as to control the valve body.
  • the change in traffic is achieved.
  • the plane of the auxiliary piece is parallel to the direction of fluid flow in the fully open position, so that the flow resistance is minimized when the fluid passes through the valve body, and thus the flow rate is maximized.
  • the plane of the auxiliary piece coincides with the axis of the rotating shaft, which not only helps to reduce the flow resistance when the valve core is in the fully open position, but also serves as a structure for the spool of the spool, and is easy to manufacture.
  • the sealing effect of the present invention is superior to that of a conventional butterfly valve.
  • the present invention also provides a butterfly valve using the above-mentioned valve core. Since the butterfly valve uses the above-mentioned valve core, the valve spool angle and the flow rate of the butterfly valve have an approximate linear or square linear relationship, and the flow rate and the valve are adopted. The quantitative relationship between the core angles and the single cylinder is very convenient for controlling the change of the flow rate of the valve body. At the same time, the application of the valve core can greatly reduce the production, operation and maintenance cost, size and weight of the butterfly valve, and is convenient for application and promotion in production.
  • FIG. 1, FIG. 2, and FIG. 3 are respectively a left side view, a front view, and a top view of the butterfly valve of the present invention in a fully closed state;
  • 4, 5, and 6 are respectively a left side view, a front view, and a top view of the butterfly valve of the present invention in a half-open state;
  • 7, 8, and 9 are respectively a left side view, a front view, and a top view of the butterfly valve of the present invention in a fully open state.
  • 1, 2, and 3 are respectively a left side view, a front view, and a top view of the butterfly valve of the present invention in a fully closed state.
  • the circumference of the valve plate 2 is tight with the gasket in the housing 1 Fit, the fluid cannot pass at this time.
  • the gasket of the valve plate 2 does not interfere, and the assembly condition and the force condition of the valve plate are improved, so the present invention Sealing performance is significantly better than ordinary butterfly valves.
  • the present invention changes the position of the spool of the valve in a conventional butterfly valve.
  • the axis of the rotating shaft 3 passes through the center of the valve plate 2, and is at an angle of 45 degrees with the plane of the valve plate 2 and the axis of the casing 1; and the auxiliary piece 4 is respectively disposed on both sides of the plate of the butterfly valve plate 2 and The auxiliary piece 5, the auxiliary piece 4 and the auxiliary piece 5 are parallel to the fluid flow direction when the valve piece 2 is in the fully open position, so that the flow resistance at the time of full opening can be reduced; wherein the plane of the auxiliary piece 4 coincides with the axis of the rotating shaft 3,
  • the structure can reduce the flow resistance during operation, and at the same time, it can be used as a structure for the spool rotation shaft and facilitate the manufacture of the valve core.
  • auxiliary sheets 4, 5 used in the present invention enhance the fluid eddy current at this stage, and the flow resistance is increased to reduce the variation range of the flow rate.
  • Fig. 7, Fig. 8, and Fig. 9 are respectively a left side view, a front view, and a top view of the butterfly valve of the present invention in a fully open state.
  • the valve plate 2 and the auxiliary pieces 4, 5 continue to rotate with the rotating shaft 3 at the same time.
  • the change of the flow rate of the ordinary butterfly valve varies with the change of the rotation angle.
  • the amplitude is reduced, at which point the auxiliary sheets 4, 5 still act as a resistance supplement, so that the change in the flow rate is uniformed at each corner position or proportional to the passage flow itself.
  • the butterfly valve spool and the butterfly valve of the present invention under the joint action of the valve piece 2, the auxiliary piece 4 and the auxiliary piece 5, can uniformly change the flow rate with the change of the rotation angle, or change proportionally with the flow rate itself, corresponding to the rotation angle.
  • the relationship can be approximated as a linear or square linear relationship, and the number, size, and shape of the tabs can be adjusted to achieve the desired optimal flow regulation.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)

Abstract

L'invention concerne un boisseau de vanne papillon de type nouveau comportant une plaque de vanne, caractérisé en ce que : a. l'axe de tige rotative dudit boisseau de vanne papillon passe à travers le centre de la plaque de vanne et présente une certaine obliquité par rapport au plan de la plaque de vanne; b. au moins un des deux côtés de la surface de ladite plaque de vanne est muni d'une ou plusieurs feuilles de soutien. Le boisseau de vanne est capable d'établir entre le flux dans le corps de vanne et le flux dans l'angle du boisseau de vanne une relation quantitative simple en liant le flux dans l'angle du boisseau de vanne et le flux traversant par une relation approximativement linéaire ou linéaire quadratique, de façon à réguler la variation du flux du boisseau de vanne. La présente invention concerne également une vanne papillon employant ce boisseau de vanne.
PCT/CN2007/071084 2006-11-22 2007-11-16 Boisseau de vanne papillon de type nouveau et vanne papillon associée WO2008061472A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2006101147352A CN1975220B (zh) 2006-11-22 2006-11-22 新型蝶形阀芯及其蝶阀
CN200610114735.2 2006-11-22

Publications (1)

Publication Number Publication Date
WO2008061472A1 true WO2008061472A1 (fr) 2008-05-29

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ID=38125479

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2007/071084 WO2008061472A1 (fr) 2006-11-22 2007-11-16 Boisseau de vanne papillon de type nouveau et vanne papillon associée

Country Status (2)

Country Link
CN (1) CN1975220B (fr)
WO (1) WO2008061472A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH700084A1 (de) * 2008-12-04 2010-06-15 Belimo Holding Ag Vorrichtung und verfahren zum sperren und öffnen des durchlasses in einem rohr.
CN114776852A (zh) * 2022-05-10 2022-07-22 河北础润节水灌溉科技有限公司 一种具有加强结构的一体式蝶阀

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1975220B (zh) * 2006-11-22 2011-03-02 杨耀德 新型蝶形阀芯及其蝶阀
CN102359607A (zh) * 2011-10-22 2012-02-22 无锡智能自控工程有限公司 精确调节流量的气动调节蝶阀
CN110630751B (zh) * 2018-06-21 2023-08-01 浙江三花商用制冷有限公司 一种流体控制阀
CN114483694A (zh) * 2022-01-28 2022-05-13 徐州徐工矿业机械有限公司 一种集成式蝶阀

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4036469A (en) * 1975-05-09 1977-07-19 Milwaukee Valve Company, Inc. Butterfly valve
CN2218287Y (zh) * 1995-03-21 1996-01-24 长沙市阀门厂 一种斜轴式金属硬密封蝶阀
CN1519496A (zh) * 2003-02-05 2004-08-11 株式会社巴技术研究所 蝶形阀的阀体
CN2694064Y (zh) * 2004-04-20 2005-04-20 浙江科达阀门有限公司 耐磨耐高温蝶阀阀板
CN1696557A (zh) * 2004-05-10 2005-11-16 株式会社巴技术研究所 三重偏心蝶形阀及其阀体
CN1975220A (zh) * 2006-11-22 2007-06-06 杨耀德 新型蝶形阀芯及其蝶阀
CN101000104A (zh) * 2006-11-03 2007-07-18 杨耀德 可使通过流量与阀芯转角成近似直线线性关系的新型蝶形阀芯及其蝶阀

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2132887Y (zh) * 1992-08-31 1993-05-12 辽宁省铁岭阀门厂 梳齿式调节蝶阀
JP3108353B2 (ja) * 1995-12-19 2000-11-13 宮入 一弘 バタフライバルブ
JP3638475B2 (ja) * 1999-06-23 2005-04-13 株式会社巴技術研究所 低騒音バタフライ弁
JP4209193B2 (ja) * 2001-02-26 2009-01-14 株式会社キッツ バタフライバルブ
JP3708538B1 (ja) * 2004-05-31 2005-10-19 株式会社巴技術研究所 三重偏心形バタフライ弁
CN2799998Y (zh) * 2005-04-28 2006-07-26 沈新荣 一种装有配流板的电动调节蝶阀

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4036469A (en) * 1975-05-09 1977-07-19 Milwaukee Valve Company, Inc. Butterfly valve
CN2218287Y (zh) * 1995-03-21 1996-01-24 长沙市阀门厂 一种斜轴式金属硬密封蝶阀
CN1519496A (zh) * 2003-02-05 2004-08-11 株式会社巴技术研究所 蝶形阀的阀体
CN2694064Y (zh) * 2004-04-20 2005-04-20 浙江科达阀门有限公司 耐磨耐高温蝶阀阀板
CN1696557A (zh) * 2004-05-10 2005-11-16 株式会社巴技术研究所 三重偏心蝶形阀及其阀体
CN101000104A (zh) * 2006-11-03 2007-07-18 杨耀德 可使通过流量与阀芯转角成近似直线线性关系的新型蝶形阀芯及其蝶阀
CN1975220A (zh) * 2006-11-22 2007-06-06 杨耀德 新型蝶形阀芯及其蝶阀

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH700084A1 (de) * 2008-12-04 2010-06-15 Belimo Holding Ag Vorrichtung und verfahren zum sperren und öffnen des durchlasses in einem rohr.
CN114776852A (zh) * 2022-05-10 2022-07-22 河北础润节水灌溉科技有限公司 一种具有加强结构的一体式蝶阀

Also Published As

Publication number Publication date
CN1975220B (zh) 2011-03-02
CN1975220A (zh) 2007-06-06

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