EP1936047A1 - Drain fitting for a sanitary item - Google Patents

Drain fitting for a sanitary item Download PDF

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Publication number
EP1936047A1
EP1936047A1 EP06405524A EP06405524A EP1936047A1 EP 1936047 A1 EP1936047 A1 EP 1936047A1 EP 06405524 A EP06405524 A EP 06405524A EP 06405524 A EP06405524 A EP 06405524A EP 1936047 A1 EP1936047 A1 EP 1936047A1
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EP
European Patent Office
Prior art keywords
sealing lip
drain fitting
fitting according
outlet opening
opening
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.)
Granted
Application number
EP06405524A
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German (de)
French (fr)
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EP1936047B1 (en
Inventor
Martin Schütz
Boris Meier
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Geberit International AG
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Geberit Technik AG
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Filing date
Publication date
Application filed by Geberit Technik AG filed Critical Geberit Technik AG
Priority to EP06405524.7A priority Critical patent/EP1936047B1/en
Publication of EP1936047A1 publication Critical patent/EP1936047A1/en
Application granted granted Critical
Publication of EP1936047B1 publication Critical patent/EP1936047B1/en
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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
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/28—Odour seals
    • E03C1/298—Odour seals consisting only of non-return valve
    • 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
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/22—Outlet devices mounted in basins, baths, or sinks

Definitions

  • the invention relates to a drain fitting for a sanitary article, in particular a bath or shower tray, with a housing having an inlet opening and an outlet opening and with an odor trap formed as a mechanical valve with at least one sealing lip and disposed between the inlet opening and the outlet opening ,
  • drain fittings are provided with a hydraulic odor trap.
  • the odor trap is formed here by sealing water, which must have a minimum sealing water height, for example, 50 mm.
  • the invention has for its object to provide a drain fitting of the type mentioned, which works reliably even without sealing water and is characterized by a higher drainage capacity.
  • a substantially annular drainage channel is arranged, which has a circumferential outlet opening which is sealed by the at least one sealing lip.
  • the water enters the essentially annular drainage channel after the inlet opening and leaves it through a peripheral outlet opening.
  • the annular drainage channel and the circumferential outlet opening allow the water to drain off with very high power.
  • the outlet opening may extend over a large length and yet it can be reliably sealed by the sealing lip. Experiments have shown that such a drain set can be operated without sealing water.
  • the outlet opening is arranged substantially coaxially with the inlet opening.
  • the water to be discharged can be discharged substantially uniformly in all directions starting from the inlet opening.
  • the water is thus discharged substantially symmetrically and in particular rotationally symmetrical. This is particularly advantageous in terms of flow.
  • the sealing lip forms a drainage angle of about 30-45 °.
  • the water flows down the inlet opening and radially outwards. This in turn is very advantageous in terms of flow and enables a particularly high drainage capacity.
  • the outlet opening opens into an annular space. From this annular space, the water can be removed very quickly to the outlet opening.
  • this annular space is open laterally to the outlet opening.
  • said sealing lip forms the outlet opening with a second sealing lip.
  • At least one sealing lip and preferably both sealing lips are elastic. Preferably, these are under prestress against each other. This allows a particularly good sealing effect and at the same time water can be removed efficiently and completely. It is also essential that the outlet opening can be formed with low flow resistance and the risk of clogging by retained parts, such as hair can be kept low.
  • At least one of the sealing lips and preferably the lower sealing lip is bent upwards like a blade.
  • At least one and preferably the upper sealing lip is detachably inserted into the inlet opening on an insert. This allows a simple and quick removal of this sealing lip and thus easy cleaning of the drain set.
  • both sealing lips are releasably inserted into the inlet opening, so that they can be removed for cleaning.
  • the drain fitting 1 has a housing 6, which is arranged on the underside of a trough 2.
  • This tub 2 is in particular a bath or shower tray. It has a recess 29 in a circular opening 4, in which from above a fastening ring 8 is inserted, which is sealed with respect to the opening 4 with a seal 9.
  • the Fixing ring 8 serves to fix the housing 6 to the tub 2.
  • the fixing ring 8 is inserted into an opening 30 of the housing 6.
  • the opening 30 has an internal thread, not shown here, in which the fastening ring 8 is screwed with an external thread, not shown here. Instead of the thread, other fastening means, such as a bayonet connection can be provided.
  • the housing 6 consists of an upper housing part 6a and a lower housing part 6b. These two housing parts are sealed by a seal 7 against each other.
  • the two housing parts 6a and 6b are preferably fixedly connected to each other, for example, locked, glued or welded. They are preferably made of a suitable plastic.
  • Water from the tub 2 passes through an inlet opening 5 in the housing 6 and leaves this through an outlet opening 24 which is formed by a horizontally extending connecting piece 22.
  • the nozzle 22 has an external thread 23, to which a disposal line, not shown here, is connected.
  • This disposal line has a predetermined inclination relative to the horizontal, so that the water in this disposal line finally flows into a downpipe.
  • a diaphragm valve M is arranged between the inlet opening 5 and the outlet opening 24, which forms an odor trap.
  • a non-illustrated permeable lid is arranged in the rule.
  • the diaphragm valve M has an annular circumferential space 16, which is arranged coaxially to the inlet opening 5 and below it. It is formed by an upper sealing lip 12 and a lower sealing lip 13.
  • the upper sealing lip 12 is fixed to an annular holder 28 which is inserted from above into the fastening ring 8 and sealed with respect to this with a seal 10.
  • a connection 11 which connects the upper sealing lip 12 with the holder 28 tight.
  • the connection may be a latching connection or another suitable connection.
  • the upper sealing lip 12 may be molded onto the holder 28.
  • the upper sealing lip 12 is light curved blade-shaped upwards and forms a convex inner side 15. With a front circumferential edge 12a, this upper sealing lip 12 is tensioned against a corresponding circumferential edge 13a of a lower sealing lip 13.
  • the edges 12a and 13a form a contact region 17, which is linear and closes the space 16 down tight.
  • the lower sealing lip 13 is likewise designed in the form of a scoop and bent upwards so that a concave surface 14 is formed on the inside.
  • a compound 18 connects the lower sealing lip 13 with a carrier 19 which is hood-shaped and detachably mounted on a tubular extension 20 of the housing 6.
  • the carrier 19 has an upper and hemispherical surface 32, which is located substantially in the center of the inlet opening 5 and incoming water into the space 16 passes.
  • the connection 18 may also be, for example, a latching connection or the lower sealing lip 13 may be molded onto the hood 19.
  • the two sealing lips 12 and 13 are preferably formed from a suitable plastic. They are preferably elastic, so that they rest against each other under pretension at the edges 12a and 13a.
  • the channel-shaped circumferential space 16 is thus circumferentially closed at the edges 12a and 13a.
  • These edges 12a and 13a are located in an annular space R, which is formed by the housing 6 and which opens via an opening 27 in the nozzle 22.
  • the edges 12a and 13a are also located at a distance above a bottom wall 31, which has a planar connection to the outlet opening 24. In the annular space R befindliches water can thus flow completely to the outlet opening 24 out.
  • the tub 2 is used, for example, for showering, then water flows through the inlet opening 5 in the space 16.
  • the hemispherical surface 32 ensures a uniform discharge of water into the space 16.
  • the space 16 is filled by the inflowing water. Due to the weight of the water located in the space 16, especially the lower sealing lip 13 is loaded. Due to the acting Forces and the elasticity of this lower sealing lip 13, the bias is canceled and the edge 13 a moves in its entire circumference downwards and thus away from the edge 12 a of the upper sealing lip 12. This forms a circumferential opening 21, as the FIG. 2 shows. Water flowing in through the inlet opening 5 can now flow out through the opening 21 into the annular space R according to the arrows 25. The outflow direction is indicated by the arrow 26.
  • the outflow direction in the annular space 16 is preferably about 30-45 ° relative to the horizontal. Since the opening 21 is preferably circumferentially open, the water can be discharged into the annulus R with little resistance and with comparatively high power. Is all water drained, the lower sealing lip 13 is no longer loaded and goes back into the in due to their elasticity FIG. 1 shown position in which it rests under elastic bias on the upper sealing lip12.
  • the upper sealing lip 12 may be formed substantially rigid. Alternatively, however, it can also be elastic, so that the edge 12a can escape upwards when the space 16 is filled up.
  • a design is conceivable in which the lower sealing lip 13 is substantially rigid and the upper sealing lip 12 is formed elastically.
  • at least one of the two sealing lips 12 and 13 is formed of solid material, but can move in a manner similar to a flap.
  • the upper sealing lip 12 and the lower sealing lip 13 are mounted or fastened independently of one another.
  • the sealing lips 12 and 13 are connected to each other, for example via webs between the holder 28 and the hood 19. As a result, the diaphragm valve M would be usable as a single spare part and replaceable.
  • the upper sealing lip 12 can be removed on the holder 28 upwards. After cleaning, it can be used again in a simple manner.
  • the lower sealing lip 13 can be lifted with the hood 19 from the housing 6 in a simple manner and also cleaned. After cleaning, first the lower sealing lip 13 and then the upper sealing lip 12 is inserted again. The waste set 1 is then immediately ready for use.

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  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sink And Installation For Waste Water (AREA)

Abstract

The drain fitting for a sanitary component, especially a bath or shower tray (2), with an inflow opening (5) and outflow opening (24), has an essentially annular drain channel (16) downstream of the inflow opening and with an encompassing outlet opening which is sealed by at least one sealing lip (12,13) which acts as an odor trap. The outlet opening is arranged essentially coaxially to the inflow opening. The sealing lip forms a drain angle of about 30-45 degrees to the horizontal.

Description

Die Erfindung betrifft eine Ablaufgarnitur für einen Sanitärartikel, insbesondere eine Bade- oder Duschwanne, mit einem Gehäuse, das eine Einlauföffnung und eine Auslauföffnung aufweist und mit einem Geruchsverschluss, der als mechanisches Ventil mit wenigstens einer Dichtlippe ausgebildet und zwischen der Einlauföffnung und der Auslauföffnung angeordnet ist.The invention relates to a drain fitting for a sanitary article, in particular a bath or shower tray, with a housing having an inlet opening and an outlet opening and with an odor trap formed as a mechanical valve with at least one sealing lip and disposed between the inlet opening and the outlet opening ,

Allgemein üblich sind Ablaufgarnituren mit einem hydraulischen Geruchsverschluss versehen. Der Geruchsverschluss wird hier durch Sperrwasser gebildet, das eine minimale Sperrwasserhöhe, beispielsweise 50 mm aufweisen muss.Generally, drain fittings are provided with a hydraulic odor trap. The odor trap is formed here by sealing water, which must have a minimum sealing water height, for example, 50 mm.

Es werden nun zunehmend Ablaufgarnituren für Bade- und Duschwannen gefordert, die eine noch geringere Bauhöhe besitzen, als dies bei solchen mit hydraulischem Geruchsverschluss möglich ist. Eine geringere Bauhöhe hat insbesondere den Vorteil, dass Wannen noch niedriger über dem Fussboden angeordnet werden können.Now increasingly drains for baths and shower trays are required, which have an even lower height than is possible with those with hydraulic odor trap. A smaller overall height has the particular advantage that wells can be placed even lower above the floor.

Durch die EP 0 943 741 A ist eine Ablaufgarnitur bekannt geworden, die einen als Schlauchventil ausgebildeten mechanischen Geruchsverschluss aufweist. Sperrwasser wird bei diesem weiterhin benötigt, die Sperrwasserhöhe ist aber wesentlich kleiner als bei üblichen hydraulischen Geruchsverschlüssen.By the EP 0 943 741 A is a waste set has become known which has a designed as a hose valve mechanical odor trap. Wastewater is still required in this, but the sealing water level is much smaller than in conventional hydraulic odor traps.

Der Erfindung liegt die Aufgabe zugrunde, eine Ablaufgarnitur der genannten Art zu schaffen, die auch ohne Sperrwasser zuverlässig arbeitet und sich durch eine höhere Ablaufleistung auszeichnet.The invention has for its object to provide a drain fitting of the type mentioned, which works reliably even without sealing water and is characterized by a higher drainage capacity.

Die Aufgabe ist bei einer gattungsgemässen Ablaufgarnitur dadurch gelöst, dass nach der Einlauföffnung ein im Wesentlichen ringförmiger Ablaufkanal angeordnet ist, der eine umlaufende Austrittsöffnung besitzt, die von der wenigstens einen Dichtlippe abgedichtet ist. Bei der erfindungsgemässen Ablaufgarnitur gelangt das Wasser nach der Einlauföffnung in den im Wesentlichen ringförmigen Ablaufkanal und verlässt diesen durch eine umlaufende Austrittsöffnung. Der ringförmige Ablaufkanal und die umlaufende Austrittsöffnung ermöglichen ein Abfliessen des Wassers mit sehr hoher Leistung. Die Austrittsöffnung kann sich über eine grosse Länge erstrecken und trotzdem kann diese zuverlässig von der Dichtlippe abgedichtet werden. Versuche haben gezeigt, dass eine solche Ablaufgarnitur ohne Sperrwasser betrieben werden kann.The object is achieved in a generic waste set in that after the inlet opening, a substantially annular drainage channel is arranged, which has a circumferential outlet opening which is sealed by the at least one sealing lip. In the case of the waste fitting according to the invention, the water enters the essentially annular drainage channel after the inlet opening and leaves it through a peripheral outlet opening. The annular drainage channel and the circumferential outlet opening allow the water to drain off with very high power. The outlet opening may extend over a large length and yet it can be reliably sealed by the sealing lip. Experiments have shown that such a drain set can be operated without sealing water.

Nach einer Weiterbildung der Erfindung ist vorgesehen, dass die Austrittsöffnung im Wesentlichen koaxial zur Einlauföffnung angeordnet ist. Das abzuführende Wasser kann ausgehend von der Eintrittsöffnung im Wesentlichen gleichmässig nach allen Richtungen abgeführt werden. Das Wasser wird somit im Wesentlichen symmetrisch und insbesondere rotationssymmetrisch abgeführt. Dies ist strömungstechnisch besonders vorteilhaft.According to a development of the invention it is provided that the outlet opening is arranged substantially coaxially with the inlet opening. The water to be discharged can be discharged substantially uniformly in all directions starting from the inlet opening. The water is thus discharged substantially symmetrically and in particular rotationally symmetrical. This is particularly advantageous in terms of flow.

Nach einer Weiterbildung der Erfindung ist vorgesehen, dass die Dichtlippe einen Ablaufwinkel von etwa 30-45° bildet. Das Wasser fliesst nach der Einlauföffnung nach unten und radial nach aussen. Dies ist wiederum strömungstechnisch sehr vorteilhaft und ermöglicht eine besonders hohe Ablaufleistung.According to a development of the invention it is provided that the sealing lip forms a drainage angle of about 30-45 °. The water flows down the inlet opening and radially outwards. This in turn is very advantageous in terms of flow and enables a particularly high drainage capacity.

Nach einer Weiterbildung der Erfindung ist vorgesehen, dass die Austrittsöffnung in einen ringförmigen Raum mündet. Aus diesem ringförmigen Raum kann das Wasser besonders schnell zur Auslauföffnung abgeführt werden. Vorzugsweise ist dieser ringförmige Raum seitlich zur Austrittsöffnung hin offen.According to a development of the invention it is provided that the outlet opening opens into an annular space. From this annular space, the water can be removed very quickly to the outlet opening. Preferably, this annular space is open laterally to the outlet opening.

Nach einer Weiterbildung der Erfindung ist vorgesehen, dass die genannte Dichtlippe mit einer zweiten Dichtlippe die Austrittsöffnung bildet. Wenigstens die eine Dichtlippe und vorzugsweise beide Dichtlippen sind elastisch ausgebildet. Vorzugsweise liegen diese unter Vorspannung aneinander an. Dies ermöglicht eine besonders gute Dichtwirkung und gleichzeitig kann Wasser effizient und vollständig abgeführt werden. Wesentlich ist auch, dass die Austrittsöffnung mit geringem Strömungswiderstand ausgebildet werden kann und die Verstopfungsgefahr durch zurückgehaltene Teile, wie beispielsweise Haare gering gehalten werden kann.According to a development of the invention, it is provided that said sealing lip forms the outlet opening with a second sealing lip. At least one sealing lip and preferably both sealing lips are elastic. Preferably, these are under prestress against each other. This allows a particularly good sealing effect and at the same time water can be removed efficiently and completely. It is also essential that the outlet opening can be formed with low flow resistance and the risk of clogging by retained parts, such as hair can be kept low.

Strömungstechnisch besonders vorteilhaft ist es, wenn wenigstens eine der Dichtlippen und vorzugsweise die untere Dichtlippe schaufelartig nach oben gebogen ist.In terms of flow technology, it is particularly advantageous if at least one of the sealing lips and preferably the lower sealing lip is bent upwards like a blade.

Wenigstens eine und vorzugsweise die obere Dichtlippe ist an einem Einsatz lösbar in die Einlauföffnung eingesetzt. Dies ermöglicht einen einfachen und schnellen Ausbau dieser Dichtlippe und damit eine einfache Reinigung der Ablaufgarnitur. Vorzugsweise sind beide Dichtlippen lösbar in die Einlauföffnung eingesetzt, so dass sie zur Reinigung herausgenommen werden können.At least one and preferably the upper sealing lip is detachably inserted into the inlet opening on an insert. This allows a simple and quick removal of this sealing lip and thus easy cleaning of the drain set. Preferably, both sealing lips are releasably inserted into the inlet opening, so that they can be removed for cleaning.

Weitere vorteilhafte Merkmale ergeben sich aus den abhängigen Patentansprüchen, der nachfolgenden Beschreibung sowie der Zeichnung.Further advantageous features emerge from the dependent claims, the following description and the drawings.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:

Figur 1
ein Schnitt durch die erfindungsgemässe Ablaufgarnitur bei geschlossenem Geruchsverschluss und
Figur 2
ein Schnitt gemäss Figur 1, jedoch bei geöffnetem Geruchsverschluss.
An embodiment of the invention will be explained in more detail with reference to the drawing. Show it:
FIG. 1
a section through the inventive drain set with closed trap and
FIG. 2
a section according to FIG. 1 , but with open odor trap.

Die Ablaufgarnitur 1 besitzt ein Gehäuse 6, das an der Unterseite einer Wanne 2 angeordnet ist. Diese Wanne 2 ist insbesondere eine Bade- oder Duschwanne. Sie besitzt in einer Vertiefung 29 eine kreisrunde Öffnung 4, in die von oben ein Befestigungsring 8 eingesetzt ist, der gegenüber der Öffnung 4 mit einer Dichtung 9 abgedichtet ist. Der Befestigungsring 8 dient zur Fixierung des Gehäuses 6 an der Wanne 2. Dazu ist der Befestigungsring 8 in eine Öffnung 30 des Gehäuses 6 eingesetzt. Die Öffnung 30 besitzt ein hier nicht gezeigtes Innengewinde, in welches der Befestigungsring 8 mit einem hier nicht gezeigten Aussengewinde eingeschraubt ist. Anstelle des Gewindes können auch andere Befestigungsmittel, beispielsweise eine Bajonettverbindung vorgesehen sein.The drain fitting 1 has a housing 6, which is arranged on the underside of a trough 2. This tub 2 is in particular a bath or shower tray. It has a recess 29 in a circular opening 4, in which from above a fastening ring 8 is inserted, which is sealed with respect to the opening 4 with a seal 9. Of the Fixing ring 8 serves to fix the housing 6 to the tub 2. For this purpose, the fixing ring 8 is inserted into an opening 30 of the housing 6. The opening 30 has an internal thread, not shown here, in which the fastening ring 8 is screwed with an external thread, not shown here. Instead of the thread, other fastening means, such as a bayonet connection can be provided.

Das Gehäuse 6 besteht aus einem Gehäuseoberteil 6a und einem Gehäuseunterteil 6b. Diese beiden Gehäuseteile sind mittels einer Dichtung 7 gegeneinander abgedichtet. Die beiden Gehäuseteile 6a und 6b sind vorzugsweise fest miteinander verbunden, beispielsweise verrastet, verklebt oder verschweisst. Sie bestehen vorzugsweise aus einem geeigneten Kunststoff.The housing 6 consists of an upper housing part 6a and a lower housing part 6b. These two housing parts are sealed by a seal 7 against each other. The two housing parts 6a and 6b are preferably fixedly connected to each other, for example, locked, glued or welded. They are preferably made of a suitable plastic.

Wasser aus der Wanne 2 gelangt durch eine Einlauföffnung 5 in das Gehäuse 6 und verlässt dieses durch eine Auslauföffnung 24, die durch einen horizontal verlaufenden Stutzen 22 gebildet wird. Der Stutzen 22 besitzt ein Aussengewinde 23, auf das eine hier nicht gezeigte Entsorgungsleitung angeschlossen ist. Diese Entsorgungsleitung besitzt gegenüber der Horizontalen eine vorbestimmte Neigung, so dass das Wasser in dieser Entsorgungsleitung schliesslich in ein Fallrohr abfliesst. Um das Austreten von Gasen aus der Entsorgungsleitung durch die Einlauföffnung 5 zu verhindern, ist zwischen der Einlauföffnung 5 und der Auslauföffnung 24 ein Membranventil M angeordnet, das einen Geruchsverschluss bildet. Über der Einlauföffnung 5 ist in der Regel ein hier nicht gezeigter durchlässiger Deckel angeordnet.Water from the tub 2 passes through an inlet opening 5 in the housing 6 and leaves this through an outlet opening 24 which is formed by a horizontally extending connecting piece 22. The nozzle 22 has an external thread 23, to which a disposal line, not shown here, is connected. This disposal line has a predetermined inclination relative to the horizontal, so that the water in this disposal line finally flows into a downpipe. In order to prevent the escape of gases from the disposal line through the inlet opening 5, a diaphragm valve M is arranged between the inlet opening 5 and the outlet opening 24, which forms an odor trap. About the inlet opening 5, a non-illustrated permeable lid is arranged in the rule.

Das Membranventil M besitzt einen ringförmigen umlaufenden Raum 16, der koaxial zur Einlauföffnung 5 und unterhalb dieser angeordnet ist. Er wird durch eine obere Dichtlippe 12 und eine untere Dichtlippe 13 gebildet. Die obere Dichtlippe 12 ist an einem ringförmigen Halter 28 befestigt, der von oben in den Befestigungsring 8 eingesetzt und gegenüber diesem mit einer Dichtung 10 abgedichtet ist. An einem unteren Ende des Halters 28 befindet sich eine Verbindung 11, welche die obere Dichtlippe 12 mit dem Halter 28 dicht verbindet. Die Verbindung kann eine Rastverbindung oder auch eine andere geeignete Verbindung sein. Beispielsweise kann die obere Dichtlippe 12 am Halter 28 angespritzt sein. Wie ersichtlich, ist die obere Dichtlippe 12 leicht schaufelförmig nach oben gebogen und bildet eine konvexe Innenseite 15. Mit einer vorderen umlaufenden Kante 12a ist diese obere Dichtlippe 12 gegen eine korrespondierende umlaufende Kante 13a einer unteren Dichtlippe 13 gespannt. Die Kanten 12a und 13a bilden einen Kontaktbereich 17, der linienförmig ist und den Raum 16 nach unten dicht abschliesst.The diaphragm valve M has an annular circumferential space 16, which is arranged coaxially to the inlet opening 5 and below it. It is formed by an upper sealing lip 12 and a lower sealing lip 13. The upper sealing lip 12 is fixed to an annular holder 28 which is inserted from above into the fastening ring 8 and sealed with respect to this with a seal 10. At a lower end of the holder 28 is a connection 11 which connects the upper sealing lip 12 with the holder 28 tight. The connection may be a latching connection or another suitable connection. For example, the upper sealing lip 12 may be molded onto the holder 28. As can be seen, the upper sealing lip 12 is light curved blade-shaped upwards and forms a convex inner side 15. With a front circumferential edge 12a, this upper sealing lip 12 is tensioned against a corresponding circumferential edge 13a of a lower sealing lip 13. The edges 12a and 13a form a contact region 17, which is linear and closes the space 16 down tight.

Die untere Dichtlippe 13 ist wie ersichtlich ebenfalls schaufelförmig ausgebildet und nach oben gebogen, so dass innenseitig eine konkave Fläche 14 gebildet wird. Eine Verbindung 18 verbindet die untere Dichtlippe 13 mit einem Träger 19, der haubenförmig ausgebildet und auf einen rohrförmigen Ansatz 20 des Gehäuses 6 lösbar aufgesetzt ist. Der Träger 19 besitzt eine obere und halbkugelförmige Fläche 32, die sich im Wesentlichen in der Mitte der Einlauföffnung 5 befindet und einlaufendes Wasser in den Raum 16 leitet. Die Verbindung 18 kann ebenfalls beispielsweise eine Rastverbindung sein oder die untere Dichtlippe 13 kann an die Haube 19 angespritzt sein.As can be seen, the lower sealing lip 13 is likewise designed in the form of a scoop and bent upwards so that a concave surface 14 is formed on the inside. A compound 18 connects the lower sealing lip 13 with a carrier 19 which is hood-shaped and detachably mounted on a tubular extension 20 of the housing 6. The carrier 19 has an upper and hemispherical surface 32, which is located substantially in the center of the inlet opening 5 and incoming water into the space 16 passes. The connection 18 may also be, for example, a latching connection or the lower sealing lip 13 may be molded onto the hood 19.

Die beiden Dichtlippe 12 und 13 sind vorzugsweise aus einem geeigneten Kunststoff gebildet. Sie sind vorzugsweise elastisch, so dass sie unter Vorspannung an den Kanten 12a und 13a aneinander anliegen. Der kanalförmige umlaufende Raum 16 ist damit an den Kanten 12a und 13a umlaufend geschlossen. Diese Kanten 12a und 13a befinden sich in einem Ringraum R, welcher durch das Gehäuse 6 gebildet wird und welcher über eine Öffnung 27 in den Stutzen 22 mündet. Die Kanten 12a und 13a befinden sich zudem im Abstand über einer Bodenwandung 31, die eine ebene Verbindung zur Auslauföffnung 24 besitzt. Im Ringraum R befindliches Wasser kann somit vollständig zur Auslauföffnung 24 hin abfliessen.The two sealing lips 12 and 13 are preferably formed from a suitable plastic. They are preferably elastic, so that they rest against each other under pretension at the edges 12a and 13a. The channel-shaped circumferential space 16 is thus circumferentially closed at the edges 12a and 13a. These edges 12a and 13a are located in an annular space R, which is formed by the housing 6 and which opens via an opening 27 in the nozzle 22. The edges 12a and 13a are also located at a distance above a bottom wall 31, which has a planar connection to the outlet opening 24. In the annular space R befindliches water can thus flow completely to the outlet opening 24 out.

Nachfolgend wir die Wirkungsweise der Ablaufgarnitur 1 näher erläutert.Below we explain the operation of the drain fitting 1 in more detail.

Wird die Wanne 2 beispielsweise zum Duschen benutzt, so fliesst Wasser durch die Einlauföffnung 5 in den Raum 16. Die halbkugelförmige Fläche 32 sorgt für eine gleichmässige Ableitung des Wassers in den Raum 16. Der Raum 16 wird durch das einströmende Wasser gefüllt. Durch das Gewicht des sich im Raum 16 befindlichen Wassers wird vor allem die untere Dichtlippe 13 belastet. Aufgrund der einwirkenden Kräfte und der Elastizität dieser unteren Dichtlippe 13 wird die Vorspannung aufgehoben und die Kante 13a bewegt sich in ihrem gesamten Umfang nach unten und damit von der Kante 12a der oberen Dichtlippe 12 weg. Dadurch bildet sich eine umlaufende Öffnung 21, wie die Figur 2 zeigt. Durch die Einlauföffnung 5 einströmendes Wasser kann nun gemäss den Pfeilen 25 nach unten durch die Öffnung 21 in den Ringraum R ausströmen. Die Ausströmrichtung ist mit dem Pfeil 26 angedeutet. Die Ausströmrichtung im Ringraum 16 beträgt vorzugsweise etwa 30-45° gegenüber der Horizontalen. Da die Öffnung 21 vorzugsweise umlaufend offen ist, kann das Wasser mit kleinem Widerstand und mit vergleichsweise hoher Leistung in den Ringraum R abgeleitet werden. Ist alles Wasser abgeflossen, so ist die untere Dichtlippe 13 nicht mehr belastet und geht aufgrund ihrer Elastizität wieder in die in Figur 1 gezeigte Stellung zurück, in welcher sie unter elastischer Vorspannung an der oberen Dichtlippe12 anliegt.If the tub 2 is used, for example, for showering, then water flows through the inlet opening 5 in the space 16. The hemispherical surface 32 ensures a uniform discharge of water into the space 16. The space 16 is filled by the inflowing water. Due to the weight of the water located in the space 16, especially the lower sealing lip 13 is loaded. Due to the acting Forces and the elasticity of this lower sealing lip 13, the bias is canceled and the edge 13 a moves in its entire circumference downwards and thus away from the edge 12 a of the upper sealing lip 12. This forms a circumferential opening 21, as the FIG. 2 shows. Water flowing in through the inlet opening 5 can now flow out through the opening 21 into the annular space R according to the arrows 25. The outflow direction is indicated by the arrow 26. The outflow direction in the annular space 16 is preferably about 30-45 ° relative to the horizontal. Since the opening 21 is preferably circumferentially open, the water can be discharged into the annulus R with little resistance and with comparatively high power. Is all water drained, the lower sealing lip 13 is no longer loaded and goes back into the in due to their elasticity FIG. 1 shown position in which it rests under elastic bias on the upper sealing lip12.

Die obere Dichtlippe 12 kann im Wesentlichen starr ausgebildet sein. Sie kann aber alternativ ebenfalls elastisch ausgebildet sein, so dass der Rand 12a bei gefülltem Raum 16 nach oben ausweichen kann. Grundsätzlich ist auch eine Ausführung denkbar, bei welcher die untere Dichtlippe 13 im Wesentlichen starr und die obere Dichtlippe 12 elastisch ausgebildet ist. Denkbar ist schliesslich auch eine Ausführung, bei welcher wenigstens eine der beiden Dichtlippen 12 und 13 aus festem Material ausgebildet ist, sich aber ähnlich einer Klappe bewegen kann. Vorzugsweise sind die obere Dichtlippe 12 und die untere Dichtlippe 13 unabhängig voneinander gelagert bzw. befestigt. Denkbar ist auch eine Ausführung, bei welcher die Dichtlippen 12 und 13 beispielsweise über Stege zwischen dem Halter 28 und der Haube 19 miteinander verbunden sind. Dadurch wäre das Membranventil M als ein einziges Ersatzteil einsetzbar und auswechselbar.The upper sealing lip 12 may be formed substantially rigid. Alternatively, however, it can also be elastic, so that the edge 12a can escape upwards when the space 16 is filled up. In principle, a design is conceivable in which the lower sealing lip 13 is substantially rigid and the upper sealing lip 12 is formed elastically. Finally, an embodiment is conceivable in which at least one of the two sealing lips 12 and 13 is formed of solid material, but can move in a manner similar to a flap. Preferably, the upper sealing lip 12 and the lower sealing lip 13 are mounted or fastened independently of one another. Also conceivable is an embodiment in which the sealing lips 12 and 13 are connected to each other, for example via webs between the holder 28 and the hood 19. As a result, the diaphragm valve M would be usable as a single spare part and replaceable.

Ist das Membranventil M gemäss Figur 1 wieder geschlossen, so verhindert dieses das Austreten von Gasen aus der Ablaufleitung. Das Membranventil bildet somit einen Geruchsverschluss. Bildet sich im Ringraum R ein Überdruck, so wird der Anpressdruck der beiden Dichtlippen 12 und 13 im Bereich der Kanten 12a und 13a verstärkt. Die Kanten 12a und 13a werden dann mit noch höherem Druck aneinander angepresst, so dass die Dichtwirkung verstärkt wird.Is the diaphragm valve M according to FIG. 1 closed again, this prevents the escape of gases from the drain line. The diaphragm valve thus forms an odor trap. If an overpressure forms in the annular space R, then the contact pressure of the two sealing lips 12 and 13 in the area of the edges 12a and 13a is increased. The edges 12a and 13a are then pressed against each other with even higher pressure, so that the sealing effect is enhanced.

Zum Reinigen kann die obere Dichtlippe 12 am Halter 28 nach oben herausgenommen werden. Nach dem Reinigen kann sie wieder in einfacher Weise eingesetzt werden. Die untere Dichtlippe 13 kann mit der Haube 19 aus dem Gehäuse 6 in einfacher Weise herausgehoben und ebenfalls gereinigt werden. Nach dem Reinigen wird zuerst die untere Dichtlippe 13 und anschliessend die obere Dichtlippe 12 wieder eingesetzt. Die Ablaufgarnitur 1 ist dann sofort wieder für den Gebrauch bereit.For cleaning, the upper sealing lip 12 can be removed on the holder 28 upwards. After cleaning, it can be used again in a simple manner. The lower sealing lip 13 can be lifted with the hood 19 from the housing 6 in a simple manner and also cleaned. After cleaning, first the lower sealing lip 13 and then the upper sealing lip 12 is inserted again. The waste set 1 is then immediately ready for use.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Ablaufgarniturwaste
22
Wannetub
33
Oberseitetop
44
Öffnungopening
55
Einlauföffnunginlet opening
66
Gehäusecasing
6a6a
GehäuseoberteilHousing top
6b6b
GehäuseunterteilHousing bottom
77
Dichtungpoetry
88th
Befestigungsringfixing ring
99
Dichtungpoetry
1010
Dichtungpoetry
1111
Verbindungconnection
1212
obere Dichtlippeupper sealing lip
12a12a
Kanteedge
1313
untere Dichtlippelower sealing lip
13 a13 a
Kanteedge
1414
Innenseiteinside
1515
Innenseiteinside
1616
Raumroom
1717
Kontaktbereichcontact area
1818
Verbindungconnection
1919
HaubeHood
2020
Ansatzapproach
2121
Öffnungopening
2222
StutzenSupport
2323
Gewindethread
2424
Auslauföffnungoutlet opening
2525
Pfeilarrow
2626
Pfeilarrow
2727
Öffnungopening
2828
Halterholder
2929
Vertiefungdeepening
3030
Öffnungopening
3131
Bodenwandungbottom wall
3232
Flächearea
MM
Membranventildiaphragm valve
RR
Ringraumannulus

Claims (13)

Ablaufgarnitur für einen Sanitärartikel, insbesondere Bade- oder Duschwanne (2), mit einem Gehäuse (6), das eine Einlauföffnung (5) und eine Auslauföffnung (24) aufweist und mit einem Geruchsverschluss (M), der als mechanisches Ventil mit wenigstens einer Dichtlippe(12, 13) ausgebildet ist, dadurch gekennzeichnet, dass nach der Einlauföffnung (5) ein im Wesentlichen ringförmiger Ablaufkanal (16) angeordnet ist, der eine umlaufende Austrittsöffnung (21) besitzt, die von der wenigstens einen Dichtlippe (12, 13) abgedichtet ist.Drain fitting for a sanitary article, in particular bath or shower tray (2), with a housing (6) having an inlet opening (5) and an outlet opening (24) and with an odor trap (M), as a mechanical valve with at least one sealing lip (12, 13) is formed, characterized in that after the inlet opening (5) a substantially annular drainage channel (16) is arranged, which has a circumferential outlet opening (21) which is sealed by the at least one sealing lip (12, 13) is. Ablaufgarnitur nach Anspruch 1, dadurch gekennzeichnet, dass die Austrittsöffnung (21) im Wesentlichen koaxial zur Einlauföffnung (5) angeordnet ist.Drain fitting according to claim 1, characterized in that the outlet opening (21) is arranged substantially coaxially with the inlet opening (5). Ablaufgarnitur nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Dichtlippe (12, 13) einen Ablaufwinkel von etwa 30-45° zur Horizontalen bildet.Drain fitting according to claim 1 or 2, characterized in that the sealing lip (12, 13) forms a drainage angle of about 30-45 ° to the horizontal. Ablaufgarnitur nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Austrittsöffnung (21) in einen ringförmigen Raum (R) mündet.Drain fitting according to one of claims 1 to 3, characterized in that the outlet opening (21) opens into an annular space (R). Ablaufgarnitur nach Anspruch 4, dadurch gekennzeichnet, dass der ringförmige Raum (R) eine Bodenwandung (31) aufweist, die sich stufenlos zur Auslauföffnung (24) erstreckt.Drain fitting according to claim 4, characterized in that the annular space (R) has a bottom wall (31) which extends continuously to the outlet opening (24). Ablaufgarnitur nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Auslauföffnung (21) durch zwei Dichtlippen (12, 13) verschlossen wird, wobei diese an umlaufenden freien Kanten (12a, 13a) aneinander anliegen.Drain fitting according to one of claims 1 to 5, characterized in that the outlet opening (21) by two sealing lips (12, 13) is closed, wherein these rest on circumferential free edges (12a, 13a) to each other. Ablaufgarnitur nach Anspruch 6, dadurch gekennzeichnet, dass eine erste Dichtlippe (12) oben und eine zweite Dichtlippe (13) unten angeordnet ist.Drain fitting according to claim 6, characterized in that a first sealing lip (12) above and a second sealing lip (13) is arranged below. Ablaufgarnitur nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass wenigstens eine der beiden Dichtlippen (12, 13) elastisch ausgebildet ist.Drain fitting according to claim 6 or 7, characterized in that at least one of the two sealing lips (12, 13) is designed to be elastic. Ablaufgarnitur nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass die beiden Dichtlippen (12, 13) in einem kreisförmigen Bereich aneinander anliegen.Drain fitting according to claim 7 or 8, characterized in that the two sealing lips (12, 13) abut each other in a circular area. Ablaufgarnitur nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass wenigstens eine Dichtlippe (12, 13) an einem lösbar eingesetzten Teil (19, 28) befestigt ist.Drain fitting according to one of claims 1 to 9, characterized in that at least one sealing lip (12, 13) on a detachably inserted part (19, 28) is attached. Ablaufgarnitur nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass wenigstens eine der beiden Dichtlippen (12, 13) schaufelartig nach oben gebogen ist und eine konkave Innenfläche (14) bildet.Drain fitting according to one of claims 1 to 10, characterized in that at least one of the two sealing lips (12, 13) is curved like a blade upwards and forms a concave inner surface (14). Ablaufgarnitur nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass wenigstens eine Dichtlippe (12, 13) elastisch vorgespannt ist.Drain fitting according to one of claims 1 to 11, characterized in that at least one sealing lip (12, 13) is resiliently biased. Ablaufgarnitur nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass eine Dichtlippe (13), vorzugsweise eine untere Dichtlippe, an einer Haube (19) befestigt ist, die eine obere halbkugelförmige Fläche (32) besitzt, die eine Leitfläche bildet und die in der Einlauföffnung (5) angeordnet ist.Drain fitting according to one of claims 1 to 12, characterized in that a sealing lip (13), preferably a lower sealing lip, on a hood (19) is attached, which has an upper hemispherical surface (32) which forms a guide surface and in the inlet opening (5) is arranged.
EP06405524.7A 2006-12-18 2006-12-18 Drain fitting for a sanitary item Not-in-force EP1936047B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06405524.7A EP1936047B1 (en) 2006-12-18 2006-12-18 Drain fitting for a sanitary item

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06405524.7A EP1936047B1 (en) 2006-12-18 2006-12-18 Drain fitting for a sanitary item

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EP1936047A1 true EP1936047A1 (en) 2008-06-25
EP1936047B1 EP1936047B1 (en) 2016-05-18

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2426281A2 (en) * 2009-05-01 2012-03-07 Hee-Beom Park Drain device
DE102010044940A1 (en) * 2010-09-10 2012-03-15 Stephan Wedi Sewage water outlet port for use with stench trap for flattened shower bath, has collection channel whose outer side is limited by housing side wall, where collection channel is drained by lateral discharge opening
EP2532796A1 (en) * 2011-06-06 2012-12-12 Aco Severin Ahlmann Gmbh & Co. Kg Bell shaped odour stopper
EP2589716A1 (en) * 2011-11-07 2013-05-08 TECE GmbH Odour trap
WO2013149613A3 (en) * 2012-04-05 2013-11-28 Urinowa GmbH Siphon, particularly an odour trap for a urinal, a floor drain and/or a shower tray or the like
DE102009008574B4 (en) * 2009-02-12 2015-10-29 Urimat Holding Ag Odor trap for a urinal
EP3255216A1 (en) * 2016-06-08 2017-12-13 BLS Industries AB Odour trap
DE202019101999U1 (en) * 2019-04-08 2020-07-09 Schlüter-Systems Kg Floor drain system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992014888A1 (en) 1991-02-21 1992-09-03 Ac Developments Limited Waste valve fittings
EP0943741A2 (en) 1998-03-19 1999-09-22 Hüppe GmbH & Co. Outlet device for sanitary apparatus, particularly for bathtubs and shower trays
EP1188870A2 (en) 2000-09-18 2002-03-20 Geberit Technik Ag Odour seal for a urinal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992014888A1 (en) 1991-02-21 1992-09-03 Ac Developments Limited Waste valve fittings
EP0943741A2 (en) 1998-03-19 1999-09-22 Hüppe GmbH & Co. Outlet device for sanitary apparatus, particularly for bathtubs and shower trays
EP1188870A2 (en) 2000-09-18 2002-03-20 Geberit Technik Ag Odour seal for a urinal

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009008574B4 (en) * 2009-02-12 2015-10-29 Urimat Holding Ag Odor trap for a urinal
EP2426281A2 (en) * 2009-05-01 2012-03-07 Hee-Beom Park Drain device
EP2426281A4 (en) * 2009-05-01 2014-08-06 Hee-Beom Park Drain device
DE102010044940A1 (en) * 2010-09-10 2012-03-15 Stephan Wedi Sewage water outlet port for use with stench trap for flattened shower bath, has collection channel whose outer side is limited by housing side wall, where collection channel is drained by lateral discharge opening
DE102010044940B4 (en) 2010-09-10 2022-01-27 Stephan Wedi Sewage drain with odor trap
EP2532796A1 (en) * 2011-06-06 2012-12-12 Aco Severin Ahlmann Gmbh & Co. Kg Bell shaped odour stopper
EP2589716A1 (en) * 2011-11-07 2013-05-08 TECE GmbH Odour trap
WO2013149613A3 (en) * 2012-04-05 2013-11-28 Urinowa GmbH Siphon, particularly an odour trap for a urinal, a floor drain and/or a shower tray or the like
EP3255216A1 (en) * 2016-06-08 2017-12-13 BLS Industries AB Odour trap
DE202019101999U1 (en) * 2019-04-08 2020-07-09 Schlüter-Systems Kg Floor drain system

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