WO2021083613A1 - Raccord de soupape - Google Patents

Raccord de soupape Download PDF

Info

Publication number
WO2021083613A1
WO2021083613A1 PCT/EP2020/077783 EP2020077783W WO2021083613A1 WO 2021083613 A1 WO2021083613 A1 WO 2021083613A1 EP 2020077783 W EP2020077783 W EP 2020077783W WO 2021083613 A1 WO2021083613 A1 WO 2021083613A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
valve disc
teeth
sealing edge
section
Prior art date
Application number
PCT/EP2020/077783
Other languages
German (de)
English (en)
Inventor
Markus VORDERWÜLBECKE
Original Assignee
Adams Gmbh
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 Adams Gmbh filed Critical Adams Gmbh
Publication of WO2021083613A1 publication Critical patent/WO2021083613A1/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
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
    • 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
    • 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 valve for shutting off and regulating the flow of liquid or gaseous media, with a valve housing in which a valve disc attached to a valve shaft is pivotably mounted between an open position and a closed position, the valve disc being provided with a sealing edge on its outer circumference which, when the valve disc is in the closed position, can be pressed against a seat surface of the valve housing surrounding the valve disc and, when the valve disc is pivoted from the closed position into the open position, moves over a defined pivot angle along a plurality of teeth that protrude inward into the passage cross-section of the valve housing and In the initial phase of the opening process, additionally throttle the media flow passing through.
  • Such a flap fitting is known, for example, from EP 2 175 180 B1.
  • a special feature of this known valve valve is that the teeth on their side facing the sealing edge of the valve disc each have curved surfaces that are shaped so that the distance between the sealing edge of the valve disc and these surfaces increases with increasing opening angle.
  • This measure is intended, in particular, to prevent cavitation phenomena as far as possible.
  • an exact ratio between the opening angle and the flow rate should be achieved via the opening process in order to enable a more precise control and regulation of the amount of the medium passing through.
  • the invention proposes, based on a valve fitting of the type mentioned at the beginning, that the teeth on their upper sides facing the sealing edge of the valve disc each have a dividing line following the pivoting path of the sealing edge of the valve disc, along which the sealing edge of the valve disc overlaps during the opening process the top of the teeth is guided.
  • the Guer cuts through which the medium flows in the circumferential area of the sealing edge of the valve disc on both sides of the dividing lines move together practically without any gaps, so that there are hardly any different flow velocities that lead to the turbulence discussed above.
  • This equalization of the flow achieved also means that the desired ratio between the respective angular position of the valve disc and the flow rate can be adhered to more precisely, so that the valve fitting according to the invention is better suited for regulating relatively small flow rates.
  • An embodiment of the invention that is particularly simple in terms of production engineering and therefore preferred provides that the teeth are each triangular in cross section and have flat side surfaces.
  • the cross-section of the teeth on both sides of the dividing line can be varied in different ways, for example by making the side surfaces convex, concave or so convex / concave so that the cross-section of the tooth has a teardrop shape.
  • the teeth on their upper side on both sides of the dividing line leave an even and steadily increasing passage cross-section so that abrupt flow changes and associated cavitation phenomena in the medium flowing through can be avoided.
  • Figure 1 in an exploded view in perspective a.) An incoming pipe (element a) through which a medium flows, b.) A valve housing (element b) with a valve disc arranged therein, c. Each housing attachment (element c) with in the passage cross-section of the valve housing protruding teeth, d.) a further pipe through which the medium flows (element d).
  • FIG. 2 an axial longitudinal section through the flap housing (element b) and the mounted housing attachment (element c);
  • FIGS. 3, 4, 5 and 6 each in perspective the longitudinal section emerging from FIG. 2 with differently configured teeth on the inner circumference of the housing attachment (element c).
  • the elements a, b, c and d shown in FIG. 1 can be axially mounted to one another with the aid of the flanges shown.
  • the elements b and c form the flap fitting within the meaning of the invention.
  • the element c housing attachment
  • the element b flap housing
  • the flap fitting shown in the drawing has a flap housing, denoted by the reference number 1 in all figures, in the passage cross section of which a flap disc 3 attached to a flap shaft 2 is pivotably mounted between an open position and a closed position.
  • the valve disc 3 is provided on its outer circumference with a sealing edge 4 which, when the valve disc 3 is in the closed position, can be pressed against a seat surface 5 of the valve housing 1 surrounding the valve disc 3.
  • a drive 6 (gear, electric drive, pneumatic drive or the like) is provided, which is attached to the outside of the flap housing 1.
  • a housing attachment 7 is attached to the flap housing 1, which is provided on its inner circumference with teeth 8 protruding into the passage cross section of the flap housing 1, which leave a plurality of flow channels 9 between them, which during the Opening process are traversed by the flowing medium.
  • the housing attachment 7 can also be connected in one piece to the flap housing 1 in order to reduce the axial length of the overall arrangement.
  • the upper sides of the teeth 8 facing the sealing edge 4 of the valve disc 3 each have a dividing line following the pivoting path of the sealing edge 4, along which the sealing edge 4 of the valve disc 3 is moved over the upper side of the teeth 8 during the opening process.
  • the term “dividing line” is understood here to mean an arcuate line along which the sealing edge 3 of the valve disc 4 either touches the top of the teeth 8 during the opening process or leaves such a small distance that the media flows between the teeth 8 are sufficiently separated from one another become.
  • FIG. 2 the path of movement of the sealing edge 4 of the valve disc 3, which is followed by the dividing lines on the upper sides of the teeth 8 over their respective lengths, is indicated by a circle drawn in dot-and-dash lines, the center of which is in the area of the valve shaft 2.
  • the upper sides of the teeth 8 can be seen particularly well from FIGS. 3 to 6 and can be done in various ways:
  • the teeth 8, which are triangular in cross-section each have completely flat side flanks, so that the separating lines provided according to the invention are each formed by the tips of the triangular teeth 8.
  • the side flanks of the teeth 8, which are essentially triangular in cross section are arched in a convex manner.
  • FIG. 5 shows teeth 8 which taper to a point at the top and have concavely arched side flanks.
  • FIG. 6 shows teeth which are rounded at the top and have a teardrop-shaped cross section, the flanks there being concave / convex.
  • the teeth 8 are each located on the housing attachment 7, which is releasably attached to the valve housing 1 and can accordingly be replaced as required. If this interchangeability is not desired, the housing attachment 7 - in order to save axial length - can also be connected in one piece to the valve housing 1.

Landscapes

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

Abstract

L'invention concerne un raccord de soupape comprenant un boîtier de soupape (1), dans lequel un disque de soupape (3) fixé à un arbre de soupape (2) est monté de manière pivotante, ledit disque de soupape (3) est pourvu sur sa circonférence externe d'un bord d'étanchéité (4) qui, dans la position fermée du disque de soupape (3), peut être pressé contre une surface d'assise (5) du boîtier de soupape (1) entourant le disque de soupape et, lors du pivotement de la position fermée dans la position d'ouverture par un angle de pivotement défini, se déplace le long d'une pluralité de dents (8) qui font saillie vers l'intérieur dans la section transversale de passage du boîtier de soupape (1) et, dans la phase initiale du processus d'ouverture, étranglent en outre l'écoulement de milieu traversant ladite section transversale de passage. Afin de pouvoir réguler les écoulements et empêcher l'usure due à la turbulence et à la cavitation dans un tel raccord de soupape, selon l'invention, les dents (8) ayant chacune, sur leurs côtés supérieurs faisant face au bord d'étanchéité (3) du disque de soupape (3), une ligne de séparation suivant le trajet de pivotement du bord d'étanchéité (4) du disque de soupape (3), le bord d'étanchéité (4) du disque de soupape (3) étant guidé le long de ladite ligne de séparation par l'intermédiaire du côté supérieur des dents (8) lors du processus d'ouverture.
PCT/EP2020/077783 2019-10-30 2020-10-05 Raccord de soupape WO2021083613A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019129278.6A DE102019129278A1 (de) 2019-10-30 2019-10-30 Klappenarmatur
DE102019129278.6 2019-10-30

Publications (1)

Publication Number Publication Date
WO2021083613A1 true WO2021083613A1 (fr) 2021-05-06

Family

ID=73014469

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2020/077783 WO2021083613A1 (fr) 2019-10-30 2020-10-05 Raccord de soupape

Country Status (2)

Country Link
DE (1) DE102019129278A1 (fr)
WO (1) WO2021083613A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3234966A (en) * 1962-12-17 1966-02-15 Wallace O Leonard Inc Butterfly valve device having velocity control means
JPH051076U (ja) * 1991-06-24 1993-01-08 幡豆工業株式会社 バタフライ弁
JP2001020814A (ja) * 1999-07-06 2001-01-23 Aisan Ind Co Ltd スロットルボデー
EP2175180A1 (fr) * 2008-10-10 2010-04-14 Yeary & Associates, Inc. Dispositif de contrôle de débit de vanne papillon
JP2013083285A (ja) * 2011-10-07 2013-05-09 Kurimoto Ltd バタフライ弁
WO2013084607A1 (fr) * 2011-12-06 2013-06-13 株式会社栗本鐵工所 Soupape papillon

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2712953B1 (fr) * 1993-11-24 1996-01-12 Helverep Sa Vanne de régulation du type à papillon.

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3234966A (en) * 1962-12-17 1966-02-15 Wallace O Leonard Inc Butterfly valve device having velocity control means
JPH051076U (ja) * 1991-06-24 1993-01-08 幡豆工業株式会社 バタフライ弁
JP2001020814A (ja) * 1999-07-06 2001-01-23 Aisan Ind Co Ltd スロットルボデー
EP2175180A1 (fr) * 2008-10-10 2010-04-14 Yeary & Associates, Inc. Dispositif de contrôle de débit de vanne papillon
EP2175180B1 (fr) 2008-10-10 2011-08-31 Yeary & Associates, Inc. Dispositif de contrôle de débit de vanne papillon
JP2013083285A (ja) * 2011-10-07 2013-05-09 Kurimoto Ltd バタフライ弁
WO2013084607A1 (fr) * 2011-12-06 2013-06-13 株式会社栗本鐵工所 Soupape papillon

Also Published As

Publication number Publication date
DE102019129278A1 (de) 2021-05-06

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