EP0333657B1 - Device for connecting an outlet pipe to a cistern - Google Patents

Device for connecting an outlet pipe to a cistern Download PDF

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Publication number
EP0333657B1
EP0333657B1 EP89810181A EP89810181A EP0333657B1 EP 0333657 B1 EP0333657 B1 EP 0333657B1 EP 89810181 A EP89810181 A EP 89810181A EP 89810181 A EP89810181 A EP 89810181A EP 0333657 B1 EP0333657 B1 EP 0333657B1
Authority
EP
European Patent Office
Prior art keywords
nipple
flushing cistern
moulded
rosette
outflow pipe
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.)
Expired - Lifetime
Application number
EP89810181A
Other languages
German (de)
French (fr)
Other versions
EP0333657A1 (en
Inventor
Alex Hubatka
René Dolder
Mario Von Ballmoos
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.)
Geberit AG
Original Assignee
Geberit AG
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 Geberit AG filed Critical Geberit AG
Priority to AT89810181T priority Critical patent/ATE56777T1/en
Publication of EP0333657A1 publication Critical patent/EP0333657A1/en
Application granted granted Critical
Publication of EP0333657B1 publication Critical patent/EP0333657B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/01—Shape or selection of material for flushing cisterns
    • E03D1/012—Details of shape of cisterns, e.g. for connecting to wall, for supporting or connecting flushing-device actuators
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
    • E03D1/34—Flushing valves for outlets; Arrangement of outlet valves

Definitions

  • a device of this kind is known from CH-A-505 262.
  • the drain pipe is inserted from below into a socket that is screwed to the bottom of the box.
  • a union nut which covers on the side, is screwed onto the connector and between the connector and the connector a pinch seal is placed on the drain pipe.
  • the invention is therefore based on the object of creating a device of the type mentioned at the outset, which has fewer individual parts and enables automatic assembly and which, moreover, less restrict the shape of the regions visible from the outside.
  • the object is achieved by the invention according to claim 1.
  • a sealing body To connect the drain pipe, only a sealing body has to be inserted into the socket and the drain pipe inserted. Screw-on parts are not required. Since the rosette is firmly attached to the cistern floor, its shape is largely free. Sealing problems between the cistern floor and the nozzle can no longer occur.
  • the sealing body inserted into the connection piece can be an annular seal with a circular cord cross section or one with two annular lips resting on the drain pipe.
  • a particularly tight connection between the nozzle and the drain pipe results from the development according to claim 2.
  • the development according to claim 3 creates an extraordinarily compact and stable unit of connection and rosette, which can be produced in a simple manner by injection molding.
  • a rosette 4 On the bottom 2 of a cistern largely made of plastic, a rosette 4 is formed, which has, for example, a square cross section. At the lower end of the rosette 4 a cross-sectionally shaped nozzle 6 is formed, which extends concentrically to the rosette 4 from the attachment point upwards to a little beyond the bottom 2.
  • the upper end 14 of the nozzle 6 forms a Venilsitz, which cooperates with the rubber-elastic valve plate 17 of a drain valve with a float tank 1 and a housing 20 in a known manner.
  • the inner surface of the nozzle 6 has an upper, cylindrical region 12, which corresponds to the outer surface of the drain pipe 19.
  • the area 12 merges into an area 11 with a larger diameter, as can be seen in FIG.
  • An annular groove 8 is incorporated into the inner wall of area 11, into which a rubber-elastic ring seal 5 is inserted. This can have the circular cord cross-section shown or has two V-shaped ring lips which abut the drain pipe 19. Such lip seals are generally known. These have the effect here that the drain pipe 19 is pushed into the connection piece 6 with little effort, but then can no longer be pulled out by hand, which may be desirable in a lavatory system.
  • a radially protruding collar 21 is formed on the housing 20 of the drain valve, on the underside of which, for example, four locking cams 16 arranged at a distance from one another are formed, which cooperate with corresponding locking cams 15 which are molded onto the starting point of the rosette 4.
  • the collar 21 simultaneously fixes an insert 3 that insulates against condensation in the area of the drain opening.

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)
  • Sanitary Device For Flush Toilet (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

1. Device, for connecting an outflow pipe (19) with a flushing cistern, with a nipple (6), which is mounted at the flushing cistern base (2) and into which the outflow pipe (19) is pushed, characterised by a rosette (4), which is moulded on at the underside of the flushing cistern base (2) and at which the nipple (6) arranged in its interior space (7) is moulded on, wherein the valve seat for the outflow-valve (1, 17) to be inserted into the flushing cistern is formed by a freely ending upper end (14) of the nipple (6) and that the nipple (6) displays a rubber-elastic sealing body (5) projecting into its interior space.

Description

Eine Vorrichtung dieser Art ist durch die CH-A-505 262 bekannt. Bei dieser ist das Ablaufrohr von unten in einen Stutzen eingeschoben, der am Kastenboden angeschraubt ist. Auf den Stutzen ist eine seitlich abdeckende Ueberwurfmutter aufgeschraubt und zwischen diesen und dem Stutzen ist eine am Ablaufrohr anliegende Quetschdichtung angeordnet.A device of this kind is known from CH-A-505 262. The drain pipe is inserted from below into a socket that is screwed to the bottom of the box. A union nut, which covers on the side, is screwed onto the connector and between the connector and the connector a pinch seal is placed on the drain pipe.

Weitere Teile dieser Vorrichtung sind ein Dichtungsring zwischen Spülkastenboden und Stutzen sowie in der Praxis ein an der Quetschdichung anliegender Schleifring. Nachteilig ist bei dieser Vorrichtung, dass sie aus vergleichsweise vielen Einzelteilen besteht und die Montage sowie die Herstellung aufwendig sind. Eine automatische Montage dieser Vorrichtung ist praktisch ausgeschlossen. Da die Ueberwurfmutter auf ihre Aussenseite rotationssymmetisch augebildet sein muss, sind der ästhetischen Gestaltung der Verbindung enge Grenzen gesetzt.Other parts of this device are a sealing ring between the cistern floor and connecting piece and in practice a slip ring which is in contact with the pinch seal. The disadvantage of this device is that it consists of a comparatively large number of individual parts and that assembly and production are complex. Automatic assembly of this device is practically impossible. Since the union nut must be rotationally symmetrical on the outside, the aesthetic design of the connection is limited.

Der Erfindung liegt somit die Aufgabe zugrunde, eine Vorrichtung der eingangs genannten Art zu schaffen, die weniger Einzelteile aufweist und eine automatische Montage ermöglicht und die zudem die Formgebung der von aussen sichtbaren Bereiche weniger einschränkt.The invention is therefore based on the object of creating a device of the type mentioned at the outset, which has fewer individual parts and enables automatic assembly and which, moreover, less restrict the shape of the regions visible from the outside.

Die Aufgabe wird durch die Erfindung gemäss Anspruch 1 gelöst. Zum Verbinden des Ablaufrohres muss lediglich ein Dichtungskörper in den Stutzen eingesetzt und das Ablaufrohr eingeschoben werden. Aufzuschraubende Teile sind nicht erforderlich. Da die Rosette fest am Spülkastenboden angebracht ist, ist ihre Formgebung weitgehend frei. Dichtungsprobleme zwischen dem Spülkastenboden und dem Stutzen können nicht mehr auftreten. Der in den Stutzen eingelegte Dichtungskörper kann eine Ringdichtung mit kreisförmigem Schnurquerschnitt oder ein solcher mit zwei am Ablaufrohr anliegenden Ringlippen sein.The object is achieved by the invention according to claim 1. To connect the drain pipe, only a sealing body has to be inserted into the socket and the drain pipe inserted. Screw-on parts are not required. Since the rosette is firmly attached to the cistern floor, its shape is largely free. Sealing problems between the cistern floor and the nozzle can no longer occur. The sealing body inserted into the connection piece can be an annular seal with a circular cord cross section or one with two annular lips resting on the drain pipe.

Eine besonders dichte Verbindung zwischen Stutzen und Ablaufrohr ergibt sich durch die Weiterbildung nach Anspruch 2. Durch die Weiterbildung nach Anspruch 3 wird eine ausserordentlich kompakte und stabile Einheit von Stutzen und Rosette geschaffen, die in einfacher Weise im Spritzgussverfahren hergestellt werden kann.A particularly tight connection between the nozzle and the drain pipe results from the development according to claim 2. The development according to claim 3 creates an extraordinarily compact and stable unit of connection and rosette, which can be produced in a simple manner by injection molding.

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

  • Fig.1 einen Längsschnitt durch die erfindungsgemässe Vorrichtung entlang der Linie I-1 in Figur 2 und
  • Fig.2 eine Ansicht der erfindungsgemässen Vorrichtung, beim montierten Spülkasten von oben gesehen.
An embodiment of the invention is explained below with reference to the drawing. Show it:
  • 1 shows a longitudinal section through the device according to the invention along the line I-1 in Figure 2 and
  • 2 shows a view of the device according to the invention, seen from above when the cistern is installed.

Am Boden 2 eines weitgehend aus Kunststoff hergestellten Spülkastens ist eine Rosette 4 angeformt, die beispielsweise einen viereckigen Querschnitt aufweist. Am unteren Ende der Rosette 4 ist ein im Querschnitt kreisförmiger Stutzen 6 angeformt, der sich konzentrisch zur Rosette 4 von .der Ansatzstelle nach oben bis etwas über den Boden 2 hinaus erstreckt. Das obere Ende 14 des Stutzens 6 bildet einen Venilsitz, der mit dem gummielastischen Ventilteller 17 eines Ablaufventils mit einem Schwimmergefäss 1 und einem Gehäuse 20 in bekannter Weise zusammenwirkt.On the bottom 2 of a cistern largely made of plastic, a rosette 4 is formed, which has, for example, a square cross section. At the lower end of the rosette 4 a cross-sectionally shaped nozzle 6 is formed, which extends concentrically to the rosette 4 from the attachment point upwards to a little beyond the bottom 2. The upper end 14 of the nozzle 6 forms a Venilsitz, which cooperates with the rubber-elastic valve plate 17 of a drain valve with a float tank 1 and a housing 20 in a known manner.

Ein Ablaufrohr 19, das den Spülkasten mit der unter diesem angeordneten Klosettschüssel verbindet, ist bis zu einem Anschlag 13 in den Stutzen 6 geschoben. Die Innenfläche des Stutzens 6 weist einen oberen, zylindrischen Bereich 12 auf, welcher der Aussenfläche des Ablaufrohres 19 entspricht. Der Bereich 12 geht wie in Fig.1 ersichtlich in einen Bereich 11 mit grösseren Durchmesser über. Zu der Innenwandung des Bereichs 11 ist eine Ringnut 8 eingearbeitet, in die eine gummielastische Ringdichtung 5 eingelegt ist. Diese kann den gezeigten kreisförmigen Schnurquerschnitt aufweisen oder weist zwei V-förmige Ringlippen auf, die am Ablaufrohr 19 anliegen. Solche Lippendichtungen sind allgemein bekannt. Diese haben hier die Wirkung, dass das Ablaufrohr 19 wohl mit wenig Kraftaufwand in den Stutzen 6 eingeschoben, dann aber von Hand nicht mehr herausgezogen werden kann, was bei einer Klosettanlage durchaus erwünscht sein kann.A drain pipe 19, which connects the cistern with the toilet bowl arranged beneath it, is pushed into the nozzle 6 up to a stop 13. The inner surface of the nozzle 6 has an upper, cylindrical region 12, which corresponds to the outer surface of the drain pipe 19. The area 12 merges into an area 11 with a larger diameter, as can be seen in FIG. An annular groove 8 is incorporated into the inner wall of area 11, into which a rubber-elastic ring seal 5 is inserted. This can have the circular cord cross-section shown or has two V-shaped ring lips which abut the drain pipe 19. Such lip seals are generally known. These have the effect here that the drain pipe 19 is pushed into the connection piece 6 with little effort, but then can no longer be pulled out by hand, which may be desirable in a lavatory system.

Am Gehäuse 20 des Ablaufventils ist ein radial abstehender Kragen 21 angeformt, an dessen Unterseite beispielsweise vier im Abstand zueinander angeordnete Rastnocken 16 angeformt sind, die mit korrespondierenden Rastnocken 15 zusammenwirken, die an der Ansatzstelle der Rosette 4 an dieser angeformt sind. Der Kragen 21 fixiert gleichzeitig einen gegen Schwitzwasser isolierenden Einsatz 3 im Bereich der Ablauföffnung.A radially protruding collar 21 is formed on the housing 20 of the drain valve, on the underside of which, for example, four locking cams 16 arranged at a distance from one another are formed, which cooperate with corresponding locking cams 15 which are molded onto the starting point of the rosette 4. The collar 21 simultaneously fixes an insert 3 that insulates against condensation in the area of the drain opening.

Aus den obigen Angaben ergibt sich somit eine Vorrichtung zum Verbinden eines Ablaufrohres mit einem Spülkasten, die weitgehend bei der Herstellung des Kastenkörpers im Spritzgussverfahren hergestellt werden kann und die nicht nur den montagetechnischen Anforderungen in hervorragender Weise Rechnung trägt, sondern aufgrund ihrer einfachen und robusten Ausführbarkeit kostenmässig günstig und im Betrieb äusserst zuverlässig ist.From the above information, there is thus a device for connecting a drain pipe to a cistern, which can largely be produced in the manufacture of the cistern body using the injection molding process and which not only takes account of the assembly requirements in an outstanding manner, but is also cost-effective due to its simple and robust design is cheap and extremely reliable in operation.

Claims (4)

1. Device, for connecting an outflow pipe (19) with a flushing cistern, with a nipple (6), which is mounted at the flushing cistern base (2) and into which the outflow pipe (19) is pushed, characterised by a rosette (4), which is moulded on at the underside of the flushing cistern base (2) and at which the nipple (6) arranged in its interior space (7) is moulded on, wherein the valve seat for the outflow-valve (1, 17) to be inserted into the flushing cistern is formed by a freely ending upper end (14) of the nipple (6) and that the nipple (6) displays a rubber-elastic sealing body (5) projecting into its interior space.
2. Device according to claim 1 or 2, characterised thereby, that the nipple (6) in a lower region, which is wider than the outflow pipe (19), of its inward wall surface displays an annular groove (8) for the sealing body (5) and in an upper narrower region displays a surface (12, 13) supporting the outflow pipe (19).
3. Device according to claim 1 or 2, characterised thereby, that the nipple (6) at its lower end with respect to the flushing cistern base (2) is moulded on at the lower end of the rosette (4).
4. Device according to one of the claims 1 to 3, characterised thereby, that detent means (15), at which the housing (20) of the outflow valve is faste- nable, are moulded on at the attachment place of the rosette (4) at the flushing cistern base (2).
EP89810181A 1988-03-17 1989-03-09 Device for connecting an outlet pipe to a cistern Expired - Lifetime EP0333657B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89810181T ATE56777T1 (en) 1988-03-17 1989-03-09 DEVICE FOR CONNECTING A DRAIN PIPE TO A FLUSH BOX.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1005/88A CH674863A5 (en) 1988-03-17 1988-03-17
CH1005/88 1988-03-17

Publications (2)

Publication Number Publication Date
EP0333657A1 EP0333657A1 (en) 1989-09-20
EP0333657B1 true EP0333657B1 (en) 1990-09-19

Family

ID=4200235

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89810181A Expired - Lifetime EP0333657B1 (en) 1988-03-17 1989-03-09 Device for connecting an outlet pipe to a cistern

Country Status (6)

Country Link
EP (1) EP0333657B1 (en)
AT (1) ATE56777T1 (en)
CH (1) CH674863A5 (en)
DE (2) DE8901752U1 (en)
DK (1) DK168096B1 (en)
YU (1) YU34789A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2669058B1 (en) * 1990-11-14 1993-09-03 Spmp Sa IMPROVED SANITARY WATER FLUSHING MECHANISM.
WO1993014275A1 (en) * 1992-01-07 1993-07-22 Societe Phoceenne De Matieres Plastiques - Spmp (Sa) Improved sanitary flushing system
ITTO20010108U1 (en) * 2001-06-26 2002-12-27 Errepierre S R L DISCHARGE TANK GROUP FOR A TOILET TANK.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2744258A (en) * 1954-01-29 1956-05-08 Andrew W Harkness Flush valve and valve outlet
ATE17142T1 (en) * 1982-09-15 1986-01-15 Rost & Soehne Georg WATER TANK DRAIN VALVE.
US4433446A (en) * 1983-01-27 1984-02-28 Kohler Co. Flush valve attachment system
DE8613877U1 (en) * 1986-05-22 1986-07-31 Teh-Yang, Chou, Shichi Cheng, Taipei Cistern for toilets

Also Published As

Publication number Publication date
CH674863A5 (en) 1990-07-31
EP0333657A1 (en) 1989-09-20
ATE56777T1 (en) 1990-10-15
DK77789A (en) 1989-09-18
DK168096B1 (en) 1994-02-07
YU34789A (en) 1992-05-28
DE8901752U1 (en) 1989-03-23
DE58900013D1 (en) 1990-10-25
DK77789D0 (en) 1989-02-20

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