EP1650362B1 - Aérateur de tuyaux et soupape d'arrêt - Google Patents

Aérateur de tuyaux et soupape d'arrêt Download PDF

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Publication number
EP1650362B1
EP1650362B1 EP05022790.9A EP05022790A EP1650362B1 EP 1650362 B1 EP1650362 B1 EP 1650362B1 EP 05022790 A EP05022790 A EP 05022790A EP 1650362 B1 EP1650362 B1 EP 1650362B1
Authority
EP
European Patent Office
Prior art keywords
air
release valve
main body
shut
valve according
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.)
Active
Application number
EP05022790.9A
Other languages
German (de)
English (en)
Other versions
EP1650362A3 (fr
EP1650362A2 (fr
Inventor
Stefan Fries
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.)
Gebr Kemper GmbH and Co KG
Original Assignee
Gebr Kemper GmbH and Co KG
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 Gebr Kemper GmbH and Co KG filed Critical Gebr Kemper GmbH and Co KG
Publication of EP1650362A2 publication Critical patent/EP1650362A2/fr
Publication of EP1650362A3 publication Critical patent/EP1650362A3/fr
Application granted granted Critical
Publication of EP1650362B1 publication Critical patent/EP1650362B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E03C1/108—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves having an aerating valve

Definitions

  • the present invention relates to a continuous tube type aerator disposed at the end of a water installation, typically a drinking water installation, for preventing water from being sucked back into the water installation and comprising a body in which at least one flow passage leading from a tube ventilator inlet to a tube aerator outlet is formed.
  • a closing body is further arranged axially, which is axially displaceable in the base body.
  • the closing body has in its upper region an upwardly acting upper sealing surface and a lower sealing surface formed underneath. The lower sealing surface closes in a closed position of the closing body access to at least one radially extending, the circumferential surface of the body towards opening ventilation channel.
  • Such a pipe aerator is for example from the DE 195 15 282 known.
  • the lower sealing surface acts against a lower sealing counter-surface, which is formed by a sleeve inserted into the base.
  • Corresponding Rohrbelricher which are also regarded as generic, are for example from the EP-1 217 132 .
  • EP-1 217 134 known.
  • the Rohrbelspecter differs from the aforementioned in that the lower sealing mating surface is formed by the body.
  • the closing body in a extending in the axial direction of the Rohrbel structureders, closed on the bottom pot, for example, as an integral part of the body ( DE 296 11 998 ) or may be formed as part of the sleeve. From this pot is at least one ventilation duct, which opens to the outer peripheral surface of the body.
  • the closing body may be displaceably guided on the inner peripheral surface of the pot.
  • a protruding into the pot guide pin of the closing body has a substantially star-shaped base, so that between the inner peripheral surface of the pot and the outer contour of the guide pin one or more axially extending ventilation passages are recessed, which communicate with the at least one ventilation duct.
  • the guide pin is projected radially in the most common form of the closing body by a plate-shaped cap whose underside forms the lower sealing surface and the upper side of the upper sealing surface.
  • the closing body is movable between the closure position, in which the lower sealing surface at least with the interposition of a sealing element, for example an O-ring preferably against the end face of the pot, and an open position in which the lower sealing surface releases access to the or the ventilation channels.
  • a sealing element for example an O-ring preferably against the end face of the pot
  • the upper sealing surface bears against an upper sealing mating surface which, according to the prior art documents cited above, is formed by the water installation, for example through the outlet connection of a shut-off valve.
  • Pipe aerators of the aforementioned type are used, for example, in outlet fittings, as they are known, for example, from the applicant DE 199 44 231 . DE 200 01 883 respectively. DE 101 10 585 are known.
  • the shut-off is carried out in a rear, relatively deep provided in a building wall area of the outlet fitting, which is regularly mounted frost-resistant, whereas the valve top is arranged with the adjusting spindle on the outside of the building and thus exposed to temperatures below freezing.
  • the outlet fitting accordingly has a concentric about the adjusting spindle or an intermediate spindle extending this tubular flow channel, which must be ventilated when shutting off the valve.
  • the pipe aerator can first be efficiently mounted to the water installation by expert fitters. However, over the life of the outlet fitting or the pipe aerator, it can not be ruled out that dismantling will take place and the fitting will subsequently be operated without the pipe aerator. It may also be that the tube aerator is accidentally mounted without the closing body, for example, together with the hose fitting, and in this case, the closing body can be lost.
  • the document DE9317654U discloses a tambour for fittings, which is externally provided with elastic webs.
  • the elastic webs in this case interact with an inner circumference surrounding the perforator with a threaded sleeve so that the aerator is held in the threaded sleeve.
  • the elastic webs and the innenumflindliche receiving the webs are formed in the threaded sleeve such that the aerator slides at a certain axial force by a compression of the elastic webs of the recording.
  • the present invention has for its object to provide a Rohrbelricher in which the above problems do not exist.
  • the present invention is based on the problem of specifying a pipe aerator, with which a secure compliance with the required by standards safeguards to prevent the sudsaugens of water in the drinking water installation can be guaranteed.
  • a Rohrbelricher having the features of claim 1 is given.
  • This pipe diffuser differs from the generic state of the art in that at least one means is provided which cooperates in the assembled state of the pipe aerator in the drinking water installation for permanent mounting of the pipe aerator.
  • means are understood to allow attachment of the Rohrbelrangeers to the drinking water installation, especially a fitting, without destructive disassembly of the pipe aerator from the water installation. This is especially thought of such means that allow easy installation of the Rohrbellusterers to the drinking water installation, without damaging this particular in the training of drinking water installation as a fitting.
  • the agent should preferably not be realized by a soldering or welding connection. Also should be dispensed with funds that affect the quality of the water permanently.
  • preferred means are in particular those means into consideration, which allow a connection of the pipe aerator and fitting by positive engagement and / or adhesion and which are provided on the outer peripheral surface of the base body.
  • the positive-locking means is particularly intended to such means that cause permanent deformation by permanent deformation and insoluble, such as plastically deformable means that contribute to a crimp, or latching means that hold the tube aerator captive to the drinking water installation due to elastic deformation.
  • preference is given to using a one-component or multi-component adhesive which effects an effective connection between the water installation and the pipe aerator, which can not be remedied by technical measures.
  • the pipe aerator to be provided with a cover which forms the Rohrbelufereingang and which is captively connected to the body and forms an upper sealing mating surface for the upper sealing surface of the closing body.
  • the base body is closed on the upper side by the cover so far that the closing body can not be lost by the Rohrbelufereingang.
  • the cover member preferably has a single opening which forms the tube ventilator entrance and which is smaller than the closing body.
  • this second aspect of the present invention provides a tube aerator having a closing body enclosed in the tube aerator housing formed of the base body and the cover member.
  • the closing body can not be lost before or during the assembly of the pipe aerator.
  • the scope of protection should also include a shut-off valve of a drinking water installation, in particular an outlet fitting of the type already mentioned above, which forms an outlet channel extending downwardly laterally from the housing.
  • the housing is extended to form a pipe aerator receiving pipe aerator receptacle and in the tube aerator receiving a pipe aerator is absorbed inextricably in the present invention.
  • the tube aerator receptacle is preferably integrally formed on the valve outlet housing, i. is an integral part of the usually produced by casting or pressing valve outlet housing.
  • FIG. 1 shows a longitudinal sectional view of a front part of an outlet fitting, as for example from the German Utility Model DE 200 01 883 is known and which comprises a valve outlet housing 2 for the exterior of a building, in which a valve upper part 4 is rotatably arranged with a rotatably mounted in this axially fixed adjusting spindle 6 with rotary handle 8, which engages against rotation within the valve top 4 in the end of an intermediate spindle 10, which is connected to a valve cone, not shown here, and received in an elongated intermediate tube, which axially extends a discernible between the valve outlet housing 2 and the intermediate spindle 10 annular space 12.
  • valve housing 2 From the valve housing 2 is an exhaust passage 14, which opens into the annular space 12 and is surrounded by an integrally formed on the valve outlet housing outlet 16.
  • This outlet connection 16 is axially extended by a tube aerator receptacle 18, ie in the direction of the outlet channel 16.
  • the tube aerator receptacle 18 has at its front, i. free end to a cylinder portion 20 whose diameter corresponds to the outer diameter of a pipe aerator 18 used in the Rohrbelricherfact 18.
  • This Rohrbelricher 22 has a substantially cylindrical shape with a circular cross-sectional area and is held at its rear end in a formed on the valve outlet housing 2 in the region of the outlet nozzle 16 inner shoulder 26 centered on the valve outlet housing 2.
  • the shank portion 20 of the tube aerugor receptacle 18 has at its front end an external thread 28 formed on the outer circumference of the tube aerator receptacle 18. With this external thread 28 a union nut 30 is screwed, which holds a sealingly inserted into the free open end of the Rohrbelindiers 22 hose nozzle 32.
  • a union nut 30 is screwed, which holds a sealingly inserted into the free open end of the Rohrbelcontenters 22 hose nozzle 32.
  • the tulle sealing surface 36 frontally delimiting end face is flat to form a contact surface for a flat gasket, which may be provided on another hose nozzle.
  • the Rohrbelinertext 18 has a radially surrounding the base body 34 annular channel 40, which with an axially below, i. in the flow direction behind the annular channel 40 recessed air inlet opening 42 communicates, which is recessed above the external thread 28 on the outer circumference of the tube aerator receiving 18.
  • FIGS. 3 to 6 The details of in the Figures 1 and 2 illustrated embodiment of a pipe aerator 22 are in the FIGS. 3 to 6 shown in more detail.
  • the main body 34 of the tube aerator 22 is formed as a precision casting, in particular as a plastic injection molded part and surrounds a bottom closed pot 44 which opens via two integrally connected to the pot 44 ventilation channels 46 to the outer peripheral surface of the base body 34.
  • the walls 48 of these two ventilation channels 46 extend in the radial direction between the pot 44 and the outer circumference of the base body 34 and let with respect to the plane of representation after FIG. 5 in front of and behind this level flow passages 50 free in FIG. 6 are shown.
  • the top of the main body 34 is closed by a cover 52, which is locked to the base 34.
  • This is also preferably a precision casting produced by plastic injection molding.
  • the cover 52 has an abutment flange continuing the top of the cover 52 which holds an O-ring 54 sealingly clamped between the cover 52 and the base 34.
  • the cover 52 has a projecting into the base 34 collar, which forms a circumferential annular bead 56 which engages in a circumferentially spaced on the inner peripheral surface of the base 34 annular groove 58. Not least in view of this latching connection between the cover 52 and the base body 34, the wall of the base body 34 in the upper region thereof relative to the wall of the shaft portion 34 is reduced.
  • the cover 52 has a central opening which forms a tube inlet 60. Through the passageways 50 communicates this pipe fan inlet 60 with a arranged at the end of the shaft portion 24 Rohrbel thoroughlyrungsgang 62nd
  • a closing body 64 is axially displaceably held, which has a triangular in cross-section guide pin 66, the web-shaped outer surfaces 68 abut with play on the inner circumference of the pot 44 and cut out between them ventilation passages 70 which extend in the axial direction and with the Ventilation passages 50 communicate.
  • the closing body 64 also has a plate-shaped cap 72, which is formed integrally with the guide pin 66 and whose outer diameter corresponds approximately to the outer diameter of the pot 44.
  • this cap 62 In the in the FIGS. 5 and 6 shown closure position is this cap 62 with the interposition of an O-ring 74 on the front side of the pot 44 and thus closes the pot 44 and thus an access 76 to the ventilation passages 70 and thus the ventilation channels 46. Consequently, the lower 62 formed by the cap Ring surface of a lower sealing surface 78 of the closing body 64 from.
  • the top of the cap 72 is chamfered and thus has one of the recessed in the cover 52 hole corresponding contour through which an upper sealing surface 80 is formed, which is engageable to bear against a formed on the edge of the pipe ventilation inlet 60 upper sealing mating surface 81 of the cover 52 ,
  • a plurality of, in the present case four latching tongues 82 are arranged distributed, which project radially beyond the outer peripheral surface of the base body 34.
  • the foot of these locking tabs 82, i. the attachment-side end of the locking tongues 82 is located in each case in a recess 84 which is recessed on the outer peripheral surface of the base body 34 and opens to its lower end side.
  • the locking tongues 82 are connected to the base body 34 approximately at the height of the lower walls 48 of the ventilation channels 46, i. where the base body 34 has a certain radial stiffening.
  • 82 may be provided on this cylinder portion 20 and the number of locking tongues corresponding latching receptacles, which are preferably arranged in to the front end side of the cylinder portion 20 opening receiving grooves and which are engaged behind in the mounted state of the locking tabs 82.
  • These receiving grooves preferably have the width of the locking tongues 82 in the circumferential direction, so that in a simple manner between the tube aerator 22 and the valve outlet housing 2, a rotation is formed.
  • a projection may also be provided in the region of the inner shoulder 26, which cooperates with a recess recessed correspondingly to the base body 34 in the manner of an anti-twist device.
  • the ventilation channels 46 are covered on the outside by the wall of the tube aerator receptacle 18, so that the ingress of dirt and manipulation of the tube aerator 22 by fixing the closing body 64 can be avoided.
  • the closure body 64 With a relative negative pressure acting in the valve outlet housing 2, the closure body 64 is of the closure position shown in the figures raised in an open position, in which the upper sealing surface 80 abuts against the formed on the cover 52 upper sealing counter surface, whereby on the one hand the opening to the outlet nozzle 16 of the valve outlet housing 2 relocated and opened to the other access 76 to the ventilation channels 46 and thus ventilation, for example a hose system connected to the spout 32 is made possible.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Valve Housings (AREA)
  • Float Valves (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Sink And Installation For Waste Water (AREA)

Claims (19)

  1. Aérateur de tuyau pour une installation de distribution d'eau, comprenant un corps de base (34) dans lequel est formé au moins un passage d'écoulement (50) menant d'une entrée d'aérateur de tuyau (60) à une sortie d'aérateur de tuyau (62), et dans lequel est agencé un corps d'obturation (64) axialement coulissant, qui présente dans sa zone supérieure, une surface d'étanchéité supérieure (80) agissant vers le haut, et une surface d'étanchéité inférieure (78) formée en-dessous de la première et obturant, dans une position de fermeture, un accès à au moins un canal d'aération s'étendant radialement et s'ouvrant vers la surface périphérique du corps de base (34),
    caractérisé par
    au moins un moyen (82), qui dans l'état monté de l'aérateur de tuyau (22), interagit avec l'installation de distribution d'eau pour le maintien inamovible de l'aérateur de tuyau (22).
  2. Aérateur de tuyau selon la revendication 1,
    caractérisé en ce que sur la surface périphérique extérieure du corps de base (34) sont agencées, de manière répartie, plusieurs languettes d'encliquetage (82).
  3. Aérateur de tuyau selon la revendication 1 ou la revendication 2, caractérisé en ce que le moyen (82) est agencé sensiblement à hauteur dudit au moins un canal d'aération (46).
  4. Aérateur de tuyau selon l'une des revendications précédentes, caractérisé en ce que chaque languette d'encliquetage (82) est reçue, du côté de son embase, dans un creux (84), qui s'ouvre en direction de la face frontale inférieure du corps de base (34) et est évidé sur la surface périphérique extérieure du corps de base (34).
  5. Aérateur de tuyau selon l'une des revendications précédentes, caractérisé en ce que l'entrée d'aérateur de tuyau (60) est évidée dans une pièce de couvercle, qui est reliée de manière imperdable au corps de base (34), et qui forme une surface d'étanchéité conjuguée supérieure (81) pour la surface d'étanchéité supérieure (80) du corps d'obturation (64).
  6. Aérateur de tuyau selon l'une des revendications précédentes, caractérisé en ce que le corps de base (34) et/ou la pièce de couvercle (52) est ou sont réalisés en matière plastique.
  7. Aérateur de tuyau selon la revendication 6, caractérisé en ce que la pièce de couvercle (52) est liée par encliquetage au corps de base (34).
  8. Aérateur de tuyau selon l'une des revendications précédentes, caractérisé en ce que le corps de base (34) présente, dans la zone de la sortie d'aérateur de tuyau (62), une surface périphérique extérieure exempte de filetage.
  9. Aérateur de tuyau selon l'une des revendications précédentes, caractérisé en ce que le corps de base (34) présente une surface d'étanchéité (36) se rétrécissant de manière conique et destinée à l'appui étanche d'un embout de raccordement de tuyau souple (32).
  10. Aérateur de tuyau selon l'une des revendications précédentes, caractérisé en ce que le corps de base (34) forme sur sa face frontale, du côté de la sortie, une surface d'étanchéité plane pour l'appui d'un joint d'étanchéité plat.
  11. Robinet d'arrêt pour une installation de distribution d'eau, le robinet d'arrêt comprenant un carter de sortie de vanne (2), qui forme un canal de sortie (14) dérivé latéralement du carter de sortie de vanne (2), caractérisé en ce que le carter de sortie de vanne (2) est prolongé pour réaliser un logement d'accueil d'aérateur de tuyau (18), et en ce qu'un aérateur de tuyau (22) selon l'une au moins des revendications précédentes est reçu de manière inamovible dans le logement d'accueil d'aérateur de tuyau (18).
  12. Robinet d'arrêt selon la revendication 11, caractérisé en ce que le logement d'accueil d'aérateur de tuyau (18) est formé d'un seul tenant sur le carter de sortie de vanne (2).
  13. Robinet d'arrêt selon la revendication 11 ou la revendication 12, caractérisé en ce que le logement d'accueil d'aérateur de tuyau (18) comporte au moins une ouverture d'entrée d'air (42), qui s'étend radialement par rapport au canal de sortie (14).
  14. Robinet d'arrêt selon l'une des revendications 11 à 13, caractérisé en ce que l'ouverture d'entrée d'air (42) est agencée de manière décalée par rapport au canal d'aération (46), dans la direction longitudinale du canal de sortie (14).
  15. Robinet d'arrêt selon l'une des revendications 11 à 14, caractérisé en ce que le canal d'aération (46) débouche dans un canal annulaire (40), qui est évidé entre le logement d'accueil d'aérateur de tuyau (18) et l'aérateur de tuyau (22), et qui communique avec l'ouverture d'entrée d'air (42).
  16. Robinet d'arrêt selon l'une des revendications 11 à 15, caractérisé en ce qu'à l'extrémité avant du logement d'accueil d'aérateur de tuyau (18), il est prévu un filetage extérieur (28) avec lequel peut venir en prise un écrou d'accouplement (30), qui presse un embout de raccordement de tuyau souple (32) de manière étanche contre l'extrémité, côté sortie, du corps de base (34).
  17. Robinet d'arrêt selon l'une des revendications 11 à 16, caractérisé par un arrêt de rotation formé sur le logement d'accueil d'aérateur de tuyau (18) et agissant sur l'aérateur de tuyau (22).
  18. Robinet d'arrêt selon la revendication 17, caractérisé en ce que l'arrêt de rotation comprend au moins un évidement s'ouvrant vers l'extrémité ouverte du logement d'accueil d'aérateur de tuyau (18), et dont la largeur dans la direction périphérique est adaptée à la largeur d'une languette d'encliquetage (82) qui vient s'y loger.
  19. Robinet d'arrêt selon l'une des revendications 11 à 18, caractérisé en ce que le logement d'accueil d'aérateur de tuyau (18) forme à son extrémité avant, un tronçon cylindrique (20), et en ce que dans la zone du tronçon cylindrique (20) est formée une liaison d'encliquetage assurant le maintien inamovible de l'aérateur de tuyau (22).
EP05022790.9A 2004-10-25 2005-10-19 Aérateur de tuyaux et soupape d'arrêt Active EP1650362B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200420016530 DE202004016530U1 (de) 2004-10-25 2004-10-25 Rohrbelüfter und Absperrarmatur einer Wasserinstallation mit Rohrbelüfter

Publications (3)

Publication Number Publication Date
EP1650362A2 EP1650362A2 (fr) 2006-04-26
EP1650362A3 EP1650362A3 (fr) 2010-04-14
EP1650362B1 true EP1650362B1 (fr) 2017-03-15

Family

ID=35658933

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05022790.9A Active EP1650362B1 (fr) 2004-10-25 2005-10-19 Aérateur de tuyaux et soupape d'arrêt

Country Status (3)

Country Link
EP (1) EP1650362B1 (fr)
DE (1) DE202004016530U1 (fr)
DK (1) DK1650362T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008009081A1 (de) 2008-02-14 2009-08-20 Gebr. Kemper Gmbh & Co. Kg Metallwerke Frostsichere Auslaufarmatur

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL45802A (en) * 1973-10-26 1977-05-31 Griswold Controls Check valve useful in backflow prevention apparatus
DE4026441A1 (de) * 1990-08-21 1992-02-27 R C Mannesmann Ag Rueckflussverhinderer
DE4238845A1 (de) * 1992-11-17 1994-05-19 Guenther Schmidt Perlator für Armaturen
DE19515282A1 (de) * 1995-04-26 1996-10-31 Seppelfricke Armaturen Gmbh & Rohrbelüfter in Durchflußform
DE20001883U1 (de) * 2000-02-03 2000-03-23 Kemper Gebr Gmbh & Co Kg Frostsichere Regulier- und Absperrarmatur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP1650362A3 (fr) 2010-04-14
EP1650362A2 (fr) 2006-04-26
DE202004016530U1 (de) 2006-03-02
DK1650362T3 (en) 2017-05-22

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