WO2011006464A1 - Soupape antiretour - Google Patents

Soupape antiretour Download PDF

Info

Publication number
WO2011006464A1
WO2011006464A1 PCT/DE2010/000699 DE2010000699W WO2011006464A1 WO 2011006464 A1 WO2011006464 A1 WO 2011006464A1 DE 2010000699 W DE2010000699 W DE 2010000699W WO 2011006464 A1 WO2011006464 A1 WO 2011006464A1
Authority
WO
WIPO (PCT)
Prior art keywords
check valve
valve according
section
connection housing
guide
Prior art date
Application number
PCT/DE2010/000699
Other languages
German (de)
English (en)
Inventor
Gisela Schlender
Original Assignee
J. Söllner 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 J. Söllner GmbH filed Critical J. Söllner GmbH
Publication of WO2011006464A1 publication Critical patent/WO2011006464A1/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
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/141—Check valves with flexible valve members the closure elements not being fixed to the valve body
    • 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
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/16—Check valves with flexible valve members with tongue-shaped laminae

Definitions

  • the invention relates to a check valve, in particular for medical
  • check valves are needed in medical technology for example arterial test leads and the like. It is required that such check valves reliably close, and within a fraction of a few seconds, to any backflow of contaminated with unexpected substances
  • the invention has the object, such a
  • the object is based on the features of the preamble of
  • Claim 1 solved by the characterizing features.
  • valve diaphragm at least one preferably cylindrical
  • Check valve extending guide of the first connection housing is added.
  • the guide is formed like a cross and the valve membrane made of an elastic material on the cross-like guide expresses reliable and axial to the longitudinal axis of the check valve in the first
  • connection housing held so that the check valve ensures a safe and fast closing, even at high pressure of up to 85 bar.
  • the guide nose section merges into a preferably circular sealing section whose free edge forms a sealing lip.
  • the sealing section opens in an umbrella-like manner starting from the guide nose section in the direction of the longitudinal axis of the check valve.
  • the cross-like guide by a plurality, radially extending to the longitudinal axis of the check valve extending
  • each two adjacent guide web sections include a to the longitudinal axis of the check valve towards open, circular segment-like passageway.
  • Guide web sections are in this case of circular cross-section
  • the second connection housing has an inlet region with a plurality of inlet openings, wherein the inlet region is formed, for example, like a cross.
  • this can be formed by an inlet cross, which is preferably arranged in the bottom portion of the second connection housing. Via the inlet area, a liquid can be supplied from the inlet passage into the valve space.
  • Fig. 1 by way of example a longitudinal section through the inventive
  • valve membrane 3 shows by way of example a longitudinal section through the valve membrane
  • FIG. 5 shows a longitudinal section through the first connection housing of FIG
  • FIG. 7 shows by way of example a perspective view of the first connection housing of FIG.
  • FIG. 8 shows a longitudinal section through the second connection housing of FIG. 8
  • check valve 1 is used for example in medical technology for arterial test leads, for example in angiography and the like.
  • the check valve 1 here consists essentially of a first connection housing 2 and a second connection housing 3, which are each designed to connect a Luer connector or a hose-like element, in particular a measuring hose or a measuring line. Between the first and second connection housing 2, 3, a valve membrane 4 made of an elastic material is provided.
  • the first and second terminal housing 2, 3 are in this case made of plastic, for example, preferably a transparent plastic, for example by injection molding.
  • the valve membrane 4 is made of a flexible or elastic material or material, preferably silicone.
  • the check valve 1 has a blocking direction SR and a flow direction DR.
  • the first and second connection housing 2, 3 essentially consist in each case of a first and a second connection section 2.1, 3.1 and a first or second receptacle section 2.2, 3.2.
  • the second connection housing 3 comprises a
  • first and second receptacle sections 2.2, 3.2 are such
  • the second plug-in sleeve section 3.2 accommodated, for example, in the first plug-in sleeve section 2.3 in the present exemplary embodiment includes a valve chamber 7 for receiving the valve membrane 4, via which the valve chamber 7 is divided into two sections in order to realize the valve function.
  • the valve membrane 4 according to the invention comprises at least one preferably cylindrical guide nose section 4.1, which in an axially to the longitudinal axis LA of the check valve 1 provided cross-type guide 8 of the first
  • Connection housing 2 is guided.
  • valve membrane 4 comprises a preferably circular
  • Seal section 4.2 which opens starting from the guide nose section 4.1 in the direction of the longitudinal axis LA of the check valve 1, in the reverse direction SR of the check valve 1, umbrella-like.
  • the free edge of the preferably circular sealing section 4.2 forms a sealing lip 4.2 '.
  • the inlet passage 5 preferably flows slightly funnel-shaped in the direction of flow DR and is discharged from the first connection section 3.1 of the second
  • the second receptacle section 3.2 is cup-shaped and consisting of a bottom section 3.21 and a subsequent thereto in the direction of the longitudinal axis LA annular edge portion 3.22, wherein this is formed in longitudinal section, for example, U-shaped.
  • the annular edge portion 3.22 is in this case arranged concentrically to the longitudinal axis LA and the sleeve-like first
  • Connecting section 3.1 merges into the bottom section 3.21 of the cup-shaped second plug-in sleeve section 3.2.
  • Socket section 3.2 has this in the bottom section 3.21 more
  • Inlet openings 9, which preferably have a circular segment-shaped cross-section. In a preferred embodiment, this forms a preferably four equal inlet openings 9 comprehensive inlet area 3.3 from.
  • the bottom section 3.21 is formed annularly and has a
  • Inlet cross 3.23 which forms the inlet openings 9, so that a cross-like inlet area 3.3 is formed.
  • the inlet region 3.3 can also comprise only two or three equal-sized inlet openings 9.
  • Design of the inlet region 3.3 ensures that at high pressure, a flushing of the valve membrane 4 in the reverse direction SR through the inlet region 3.3 is prevented in the input passage 5.
  • the first receptacle section 2.2 also has a bottom section 2.21 and an annular edge section 2.22, wherein in the bottom section 2.21
  • preferably cross-type guide 8 is provided for guiding the preferably cylindrical guide nose section 4.1 axially to the longitudinal axis LA of the check valve 1.
  • the cross-like guide 8 is formed by a plurality, radially to the longitudinal axis LA of the
  • Connection housing 2 is formed, wherein each two adjacent guide web sections 8 ', 8 "open a to the longitudinal axis LA of the check valve 1,
  • the outlet passage 6 preferably extends along the longitudinal axis LA via the cross-type guide 8 to the free end of the first connection section 2.1.
  • the diameter of the outlet passage 6 is selected to be slightly smaller than the diameter of the cylindrical guide nose section 4.1.
  • the first connection section 2.1 for example, a male Luer-Lock connector 2.1 'or a cylindrical hose connection.
  • the bottom portion 2.21 of the first receptacle terminal 2.2 has a
  • first and second receptacle sections 2.2, 3.2 are fixedly connected to each other, for example by means of a suitable adhesive.
  • the distance D between the bottom section 2.1 1 of the first receptacle terminal 2.2 and the bottom section 3.21 of the second receptacle terminal 3.2 is hereby chosen slightly less than the depth T of the preferably circular sealing section 4.2 of the valve membrane 4, i.
  • the circumferential sealing lip formed by the free edge of the sealing section 4.2 rests against the bottom section 3.21 of the second socket connection 3.2, preferably with a predetermined bias, thereby completely enclosing the cross-like inlet section 3.3 in such a way that a liquid entering the valve chamber 7 in the direction of passage DR the sealing lip 4.2 'can pass unhindered, whereas a liquid flowing in the reverse direction SR into the valve chamber 7 is blocked by the sealing lip 4.2'.
  • valve membrane 4 in the area between the guide nose section 4.1 and the sealing section 4.2 a stop forming flange 4.3, which at the bottom portion 2.1 1 of the first receptacle terminal 2.2 forming end faces of
  • Guide web sections 8 ', 8 "of the cross-like guide 8 is applied Although diameter of the step section 4.3, although larger than the diameter of the guide nose section 4.1, but smaller than the diameter of the circular segment-like outlet channels 10 enclosing, imaginary circle.
  • the liquid is supplied via the inlet passage 5 to the valve chamber 7, in the section enclosed by the circular sealing section 4.2 or its sealing lip 4.2 '.
  • the sealing lip 4.2 ' allows the liquid to flow in the direction of passage DR into the opposite section of the valve chamber 7 and is guided via the circular segment-like outlet channels 10 of the cross-type guide 8 into the outlet passage 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)

Abstract

L'invention concerne une soupape antiretour notamment destinée à des applications médicales, composée d'un premier boîtier de raccordement (2) et d'un second boîtier de raccordement (3) respectivement conçus pour raccorder un élément de type tuyau flexible, notamment un tuyau flexible de mesure, par exemple dans le domaine de l'angiographie, une membrane de soupape (4) réalisée en matériau élastique étant prévue entre le premier et le second boîtier de raccordement (2, 3). De manière particulièrement avantageuse, la membrane de soupape (4) comporte au moins une partie sous forme de tenon de guidage (4.1) de préférence cylindrique, logée dans un guide (8) du premier boîtier de raccordement (5), s'étendant axialement par rapport à l'axe longitudinal (LA) de la soupape antiretour (1).
PCT/DE2010/000699 2009-07-16 2010-06-18 Soupape antiretour WO2011006464A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009033365.7A DE102009033365B4 (de) 2009-07-16 2009-07-16 Rückschlagventil
DE102009033365.7 2009-07-16

Publications (1)

Publication Number Publication Date
WO2011006464A1 true WO2011006464A1 (fr) 2011-01-20

Family

ID=43221028

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2010/000699 WO2011006464A1 (fr) 2009-07-16 2010-06-18 Soupape antiretour

Country Status (2)

Country Link
DE (1) DE102009033365B4 (fr)
WO (1) WO2011006464A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201221025D0 (en) 2012-11-22 2013-01-09 Johnson Matthey Plc Zoned catalysed substrate monolith
CA2809504C (fr) 2013-03-15 2014-07-22 Westport Power Inc. Clapet antiretour avec temps de reponse ameliore

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3693651A (en) * 1970-08-19 1972-09-26 Vernay Laboratories Valve assembly
US5535785A (en) * 1994-09-08 1996-07-16 Nypro, Inc. Luer-activated check valve
US5992462A (en) * 1998-10-28 1999-11-30 Vernay Laboratories, Inc. Disc type check valve
EP1543862A1 (fr) * 2002-08-13 2005-06-22 Jms Co., Ltd. Dispositif de regulation de fluide

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1166818A1 (fr) * 2000-06-29 2002-01-02 Societe Des Produits Nestle S.A. Valve a entrebaillement a pression moyenne
US6988510B2 (en) * 2002-03-22 2006-01-24 Halkey-Roberts Corporation Disc check valve

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3693651A (en) * 1970-08-19 1972-09-26 Vernay Laboratories Valve assembly
US5535785A (en) * 1994-09-08 1996-07-16 Nypro, Inc. Luer-activated check valve
US5992462A (en) * 1998-10-28 1999-11-30 Vernay Laboratories, Inc. Disc type check valve
EP1543862A1 (fr) * 2002-08-13 2005-06-22 Jms Co., Ltd. Dispositif de regulation de fluide

Also Published As

Publication number Publication date
DE102009033365B4 (de) 2021-05-20
DE102009033365A1 (de) 2011-01-20

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