EP2726678A1 - Unité valve permettant une commande d'aération ou de reflux - Google Patents

Unité valve permettant une commande d'aération ou de reflux

Info

Publication number
EP2726678A1
EP2726678A1 EP12732592.6A EP12732592A EP2726678A1 EP 2726678 A1 EP2726678 A1 EP 2726678A1 EP 12732592 A EP12732592 A EP 12732592A EP 2726678 A1 EP2726678 A1 EP 2726678A1
Authority
EP
European Patent Office
Prior art keywords
valve
lip
line path
liquid
path
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP12732592.6A
Other languages
German (de)
English (en)
Inventor
Klaus Klee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pipe Systems GmbH
Original Assignee
Pipe Systems 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 Pipe Systems GmbH filed Critical Pipe Systems GmbH
Publication of EP2726678A1 publication Critical patent/EP2726678A1/fr
Withdrawn legal-status Critical Current

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
    • F16K15/148—Check valves with flexible valve members the closure elements being fixed in their centre
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B9/00—Methods or installations for drawing-off water
    • E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
    • E03B9/025—Taps specially designed for outdoor use, e.g. wall hydrants, sill cocks
    • E03B9/027—Taps specially designed for outdoor use, e.g. wall hydrants, sill cocks with features preventing frost damage
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/104—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using a single check valve
    • 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
    • F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
    • F16K24/02—Devices, e.g. valves, for venting or aerating enclosures the enclosure being itself a valve, tap, or cock

Definitions

  • the invention relates to a frost-proof valve device comprising an inlet opening, an outlet opening, a liquid line path extending from the inlet opening to the outlet opening, a ventilation opening for supplying air into the housing tube, a check valve arranged in the liquid line path, which in a closed position provides a fluid connection between the inlet and outlet ports and in a closed position blocks fluid communication between the inlet and outlet ports, an actuating handle for actuating the stop valve from the open position to the closed position and vice versa, and a vent valve assembly which in an open position defines an air conduit path between the vent port and releases a portion of the fluid line path within the housing tube and, in a closed position, blocks that air line path.
  • Another aspect of the invention is a backflow-protected valve device comprising an inlet port, an outlet port, a fluid conduit path extending from the inlet port to the outlet port, a check valve disposed in the fluid conduit path, which in fluid communication between the inlet and outlet ports in an open position releases and locks in a closed position fluid communication between the inlet and the outlet opening, an actuating handle for actuating the check valve from the open position to the closed position and vice versa.
  • the invention relates to a frost-proof valve device comprising an inlet opening, an outlet opening, a liquid line path extending from the inlet opening to the outlet opening Ventilation opening for supplying air into the housing tube, a shut-off valve arranged in the liquid line path, which in a open position releases a fluid connection between the inlet and the outlet opening and in a closed position blocks a fluid connection between the inlet and the outlet opening, an actuating handle for Actuation of the check valve from the open position to the closed position and vice versa, and a vent valve unit which releases an air line path between the vent opening and a portion of the liquid line path within the housing tube in an open position and blocks in a closed position this air line path.
  • Valve devices of the above construction are generally used to shut off or release a liquid supply and can be used on the one hand within a piping system, on the other hand also at a tapping point of a piping system, at which a liquid is removed from the piping system by a consumer.
  • valve devices here are different requirements.
  • valve devices when used in an outdoor area, they must be frost resistant. This frost resistance can be achieved by heating or insulating the valve devices to some extent.
  • Another approach for producing the frost resistance of valve devices is to provide them with a ventilation function, which achieves a drainage of liquid and thus prevents damage by freezing liquid.
  • check valves in such valve devices which are arranged on the one hand in the liquid line path to prevent backflow of liquid, on the other hand can be arranged in an air line path to effect aeration of such valve devices and an unwanted liquid leakage through a To prevent ventilation opening.
  • Such check valves are regularly designed so that a spring-biased valve body is pressed counter to the intended passage direction of the check valve to a valve seat and lifted by a pressure drop across the check valve in the intended flow direction of this valve seat, whereby the check valve releases a passage.
  • the invention has for its object to provide an improved valve device so far, which is improved on the one hand in terms of their manufacturing costs and assembly.
  • a frost-proof valve device of the type described above by the ventilation valve unit is designed as a lip valve, which has a cylindrical base body and a circumferential lip, which is in cross-section obliquely radially outwardly extending annular element of extends from the base body, and the lip is arranged and formed to deform under the pressure gradient acting from the ventilation opening to the portion of the liquid line path from the obliquely radially-axial extension direction in the direction of an axial extension direction and the air line path to the portion of the liquid line path releases and under a pressure gradient acting from the portion of the liquid passage path to the ventilation opening from the obliquely radially-axial extension direction in the direction of a radial extension direction deforms and blocks the air duct path to the portion of the liquid line path.
  • a ventilation valve unit which is simplified on the one hand in terms of construction and production engineering, is provided in the air conduction path, on the other hand achieving improved function and operational safety.
  • This is achieved by the blocking or release of the air line path is achieved by an elastic and reversible deformation of a lip acting as a lip of a lip valve.
  • This lip can, for example, seal against an inner wall of a housing tube or inner tube of the valve device and, in this case, extends from the inside to the outside obliquely.
  • the lip can also seal against an outer wall of an inner tube or inner profile within the valve device and in this case extends from the outside to the inside.
  • the lip valve is arranged between the liquid line path and the ventilation opening, in order thereby to effect a reliable blocking and release of the air line path.
  • the air passage path connects the ventilation valve unit disposed adjacent to a first end of a housing tube to the ventilation opening disposed at a second end for supplying air to the ventilation valve unit.
  • the lip valve can be placed in a region which is spaced from the ventilation opening and is thus frost-proof, in particular to a large extent, in order to prevent malfunction of the lip valve due to residual moisture.
  • the valve device may be further formed by a fluid-conducting inner tube which is disposed within a housing tube and extends from the first towards the second end of the housing tube.
  • Such an inner tube can be advantageously used to provide air line path and liquid line path within the valve device separated from each other and side by side by using the interior of the inner tube and the annular space between the inner tube and the housing tube.
  • the air line path inside the fluid-conducting inner tube and the liquid line path is arranged in an annular space between inner tube and housing tube, or the liquid line path inside the fluid-conducting inner tube and the air line path is arranged in an annular space between inner tube and housing tube.
  • a valve device with remindström- fuse of the construction described above is formed by a lip valve in the liquid line path, which has a cylindrical base body and a circumferential lip which extends as a cross-section obliquely radially outwardly extending annular element of the main body, and the lip is arranged and configured such that it deforms from the obliquely radially-axial extension direction in the direction of an axial extension direction under a liquid pressure gradient acting from the inlet to the outlet opening, and a fluid path to the outlet opening releases, and under a liquid pressure gradient acting from the outlet to the inlet opening from the obliquely radially-axial extension direction deformed in the direction of a radial direction of extension and blocks a liquid path to the outlet opening.
  • the lip valve provides backflow protection through resilient, reversible deformation of the lip, thereby avoiding the number of moving parts and the need for guide surfaces for relatively moving parts.
  • the lip valve may in this case be arranged and configured within the fluid line path, as described above for the lip valve in the air line path of the valve device according to the first aspect of the invention.
  • the lip valve is arranged in the fluid flow path between the outlet opening and the check valve.
  • the lip valve body is arranged axially immovably in the valve device.
  • This embodiment is suitable both for the use of the lip valve for backflow protection and for ventilation and is characterized by a purely elastic, reversible deformation, without a sliding or sliding movement within the lip valve is required to ensure the function.
  • the valve device can be developed by the lip valve body is arranged axially movable on a central guide pin and is biased by a spring in a direction corresponding to the axial extent of the lip.
  • the lip valve main body can be guided directly relative to a guide surface or at the time can be fixed axially immovably on a sliding element, which provides a corresponding axial mobility on a guide surface.
  • the lip is formed of an elastomer, preferably the lip valve is integrally formed of an elastomer.
  • An elastomer may in this case be understood in particular to be a rubber-like material, as used in other sealing applications, for example in the case of radial shaft sealing rings or O-rings. These may be in particular rubber-based plastics or silicone materials.
  • the lip of the lip valve be biased radially outwardly or inwardly at an angle to achieve a reliable seal against a circumferential sealing surface by such a bias.
  • the bias can be generated in particular from the lip material itself.
  • the lip is integrally formed on the base body and that in a region in which between the longitudinal axis of the base body and the extension direction of the lip in cross-section an acute angle is included, formed a recess in the transition between the base body and lip is.
  • valve device by a compressible, elastic material within the liquid line path, which preferably extends over more than a third, in particular more than half the length of the liquid line path and / or is tubular.
  • a compressible elastic material serves to absorb an expansion by compression when ice forms within the valve device and thereby prevent damage to the valve device.
  • a third aspect of the invention is a lip valve of the type described above, which is formed by the fact that the lip valve comprising a cylindrical base body and a circumferential lip which extends as a cross-section obliquely radially outwardly extending annular element of the main body, and the lip sol cherart is arranged and adapted to deform under a pressure gradient acting in a first direction from the obliquely radially-axial direction of extension in the direction of an axial extension direction and a fluid line path through an annular gap, and under a counter to the first direction acting fluid pressure gradient from the obliquely deformed radially-axial extension direction in the direction of a radial extension direction and a fluid line path blocks.
  • a functional unit is provided, which is suitable for use in frost-protected or backflow-secured valve devices.
  • the lip valve can also be used in pipelines in order to effect a backflow preventer or aeration control.
  • the lip valve can be developed in particular by the previously described features of the lip valve in the backflow-secured valve device or the frost-proof valve device.
  • the particular advantages of a valve device equipped in this manner are that the production costs and replacement parts costs are significantly reduced by a double use of the lip valve, the number of pieces of the lip valve can be increased with the result of reduced production costs and the functional advantages of the lip valve according to the invention both in terms of backflow protection and the frost protection can be achieved.
  • FIG. 1 is a longitudinal sectional side view of a lip valve according to the invention in a first arrangement manner in an insert
  • Fig. 2 is a longitudinal sectional side view of a lip valve according to the invention in a second arrangement manner in a conduit
  • Fig. 3 is a longitudinal sectional side view of a valve device with a lip valve according to the invention.
  • the lip valve according to the invention comprises a carrier element 10, which is formed from a rigid material and extends rotationally symmetrically along a longitudinal axis 1.
  • the support member 10 has a cylindrical outer peripheral surface 1 1, in which a circumferential groove 12 is formed.
  • the circumferential groove 12 has an undercut area 12a.
  • an elastomeric seal 20 is fixed by a base body 21 is inserted into the circumferential groove such that it is locked by means of the undercut in a form-fitting manner. Starting from this base body 21 extends obliquely radially / axially outwardly a lip 22.
  • This lip 22 is shown in Figures 1 and 2 in biased contact with a sealing surface 30 and 130 and it is understood that this lip in a free position due to their bias would have a further extending in the radial direction extension than it has in the stop limited installation position in Figures 1 and 2.
  • the main body of the elastomeric seal 20 defines an axial extension direction 2, which encloses an acute angle ⁇ with the extension direction 3 of the lip.
  • a recess 23 is formed in the elastomeric seal, which is formed as a circumferential, rectangular in cross-section axial groove. This recess 23 makes it possible for the lip, under the action of a pressure gradient, to be deformed from an inlet opening 40 or 140 to an outlet opening 50 or 150 elastically in the direction of a more axial profile of the lip than in FIGS. 1 and 2, and thereby an annular gap for the passage of a fluid releases.
  • the carrier element 10 has an outer ring 14 supported by a plurality of webs 1 1, 12, starting from a carrier element core 13.
  • the outer diameter of the outer ring corresponds to the contact surface of the lip on the sealing surface 30 or 130.
  • a circumferential groove is formed, in which an O-ring is inserted.
  • the entire valve unit can be fixed in a pipe 160, as shown in Fig. 2, or a screw-60, as shown in Fig. 1, fixed.
  • the lip valve in Fig. 1 is installed in a tube aerator which can be inserted into a valve device to allow the ventilation of the interior of the valve device and to prevent the escape of water through a ventilation opening from the valve device.
  • Fig. 2 the lip valve according to the invention is shown in a mounting position in a tube to allow a flow of the tube from an inlet port 140 to an outlet port 150 and to prevent reverse flow of liquid in the reverse direction.
  • Fig. 3 shows a longitudinally sectioned, centrally broken side view of a valve device which is equipped with the lip valve according to the invention.
  • the valve device has an inlet port 240 and an outlet port 250, which are interconnected by a fluid line path through the interior of the valve device.
  • a check valve 270 is arranged in this liquid line path and can be actuated by means of an actuating handle 271 via a plurality of components arranged in the interior of the valve device for blocking or releasing the liquid line path.
  • the water flows through an annular space 272 inside the valve device.
  • a ventilation opening is present in the region of the actuating handle, which connects an air line path 282 through an inner tube 280 with the environment. This air line path ends at a vent valve 290.
  • a lip valve 300 of the construction according to the invention is arranged in the regular flow direction in the liquid line path 272 behind the check valve 270.
  • the lip valve thus arranged serves to reliably prevent a backflow of liquid from the outlet opening 250 to the inlet opening 240 and to allow a flow from the inlet opening 240 to the outlet opening 250.
  • This is a passively moved component that is moved solely from the occurring pressure gradient within the valve device from the open to the closed position and vice versa.
  • the valve is biased in the position shown.
  • the ventilation valve 290 depicted in FIG. 3 could be realized in the same way by a lip valve according to the invention. In this installation situation and function, the lip valve then ensures that when the shut-off valve 270 is closed, the liquid arranged in the interior of the liquid line path can flow out through the outlet opening 250 and be replaced by air which flows into the valve interior via the air line path 282.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)

Abstract

L'invention concerne un dispositif à valve résistant au gel, comprenant un orifice d'admission (240), un orifice d'évacuation (250), une voie de conduite de liquide qui s'étend de l'orifice d'admission jusqu'à l'orifice d'évacuation, un orifice d'aération qui assure l'alimentation en air d'un tuyau boîtier, une valve d'arrêt (270) qui est disposée dans la voie de conduite de liquide et qui, en position ouverte, établit une liaison fluidique entre l'orifice d'admission et l'orifice d'évacuation et, en position fermée, interrompt une liaison fluidique entre l'orifice d'admission et l'orifice d'évacuation, une poignée de commande (271) qui permet de commander la valve d'arrêt en la faisant passer de la position ouverte à la position fermée et vice-versa, et une unité valve d'aération (290) qui, en position ouverte, libère une voie de commande d'air entre l'orifice d'aération et une section de la voie de commande de liquide à l'intérieur du tuyau boîtier et, en position fermée, interrompt cette voie de conduite d'air. Selon l'invention, l'unité valve d'aération (290) est réalisée en tant que soupape à bec.
EP12732592.6A 2011-06-28 2012-06-21 Unité valve permettant une commande d'aération ou de reflux Withdrawn EP2726678A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201120102934 DE202011102934U1 (de) 2011-06-28 2011-06-28 Ventileinheit zur Belüftungs- oder Rückstromsteuerung
PCT/EP2012/062017 WO2013000824A1 (fr) 2011-06-28 2012-06-21 Unité valve permettant une commande d'aération ou de reflux

Publications (1)

Publication Number Publication Date
EP2726678A1 true EP2726678A1 (fr) 2014-05-07

Family

ID=46458472

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12732592.6A Withdrawn EP2726678A1 (fr) 2011-06-28 2012-06-21 Unité valve permettant une commande d'aération ou de reflux

Country Status (3)

Country Link
EP (1) EP2726678A1 (fr)
DE (1) DE202011102934U1 (fr)
WO (1) WO2013000824A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK3077539T3 (en) 2013-12-02 2018-11-19 Personal Genome Diagnostics Inc Procedure for evaluating minority variations in a sample
EP3401133B1 (fr) * 2017-05-08 2020-07-08 WABCO Europe BVBA Vanne de mise à niveau
CN108930646A (zh) * 2017-05-26 2018-12-04 港捷实业（东莞）有限公司 气泵
DE102020106212A1 (de) * 2020-03-06 2021-09-09 Wabco Europe Bvba Fluidventil, Ventilanordnung und Bremsanlage

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3407837A (en) * 1965-10-20 1968-10-29 Mansfield Sanitary Inc Sillcock with ice expansion control
GB8629616D0 (en) * 1986-12-11 1987-01-21 Guest Ltd John Non-return valves
CA2110015C (fr) * 1993-07-08 1998-11-10 Lawrence Almasy Prise d'eau murale avec anti-retour et brise-vide
US5740831A (en) * 1996-12-31 1998-04-21 Nibco Inc. Frostproof hydrant seal
DE29709021U1 (de) * 1997-05-22 1997-07-17 Festo Kg Rückschlagventil
DE10043079C2 (de) * 2000-09-01 2003-01-02 Draeger Medical Ag Rückschlagventil mit Schwingungsdämpfung
US6761183B1 (en) * 2002-09-23 2004-07-13 Hoeptner, Iii Herbert W. Back flow preventing adjustable valve apparatus with fluid escape
US7549444B2 (en) * 2003-07-31 2009-06-23 B & K Industries, Inc. Frost free valve assembly
US6769446B1 (en) * 2003-08-14 2004-08-03 Wcm Industries, Inc. Freeze protection device for wall hydrants/faucets
US6805154B1 (en) * 2003-12-05 2004-10-19 Wcm Industries, Inc. Freeze protection device for wall hydrants/faucets
DE102007019594B3 (de) * 2007-04-24 2008-11-13 Schell Gmbh & Co. Kg Frostsichere Armatur
US8079382B2 (en) * 2009-11-16 2011-12-20 Cheng-Hsuan Wu Unfreeze faucet structure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013000824A1 *

Also Published As

Publication number Publication date
DE202011102934U1 (de) 2012-10-10
WO2013000824A1 (fr) 2013-01-03

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