EP2426280B1 - Anneau d'étanchéité de centrage pour une armature sanitaire, notamment une armature de table de lavage - Google Patents

Anneau d'étanchéité de centrage pour une armature sanitaire, notamment une armature de table de lavage Download PDF

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Publication number
EP2426280B1
EP2426280B1 EP11006682.6A EP11006682A EP2426280B1 EP 2426280 B1 EP2426280 B1 EP 2426280B1 EP 11006682 A EP11006682 A EP 11006682A EP 2426280 B1 EP2426280 B1 EP 2426280B1
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EP
European Patent Office
Prior art keywords
centring
sealing ring
fitting
region
hardness
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
EP11006682.6A
Other languages
German (de)
English (en)
Other versions
EP2426280A1 (fr
Inventor
Martin Harsch
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.)
Hansa Armaturen GmbH
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Hansa Armaturen GmbH
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Publication date
Application filed by Hansa Armaturen GmbH filed Critical Hansa Armaturen GmbH
Publication of EP2426280A1 publication Critical patent/EP2426280A1/fr
Application granted granted Critical
Publication of EP2426280B1 publication Critical patent/EP2426280B1/fr
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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
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/0401—Fixing a tap to the sanitary appliance or to an associated mounting surface, e.g. a countertop

Definitions

  • the invention relates to a Zentrierdichtring for a sanitary fitting, in particular a washbasin faucet, with a larger diameter annular flange-like area, which is designed to be arranged between the lower side of the sanitary fitting and the top of a washstand or the like, and at least one integrally formed thereon, a smaller Diameter-having and downwardly extending centering, which is designed for insertion into the tap hole of the washbasin or the like.
  • washbasin or the like this means both a wide-rimed washbasin and that design in which a topped basin is attached to a plate.
  • sanitary fittings are to be mounted on a washbasin, two things have to be taken into consideration: First, a reliable seal between the underside of the sanitary fitting and the top of the washbasin is required. On the other hand, the sanitary fitting relative to the tap hole of the washstand must be at least so well centered that the inset between the bottom of the sanitary fitting and the top of the washstand uncovered at any point, so instead of resting on the top of the washstand partially free above the tap hole of the washstand runs.
  • Zentrierdichtringe of the aforementioned type as for example from the DE 10 2008 018508 A1 are known.
  • the Zentrierdichtringe shown in this document are not described in detail. Only from the drawing can be seen their design with a ring flange-like area and an integrally formed centering.
  • the US 2009 0267716 A1 discloses a generic Zentrierdichtring.
  • the two functions that are attributable to a centering, assigned to two areas of Zentrierdichtringes, on the one hand have different hardness, but on the other hand, but are integrally connected by a two-component injection molding process.
  • the greater hardness in particular of the centering ensures that the inserted with this centering in the tap hole Centering seal can not be moved with little force in the lateral direction, whereby the centering effect would be lost.
  • the lower hardness of the molded seal ensures a reliable sealing effect, since with little force sufficient deformation of this area when placing the sanitary fitting on the vanity is possible without leaving a gap between the bottom of the basin mixer and the top of the vanity.
  • the first hardness of the annular flange portion and the centering portion is about 170 HB (Brinell hardness), while the second hardness of the molded seal is about 50 to 70 HB (about Shore hardness A).
  • Zentrierdichtring which is made of thermoplastic polymer based on polybutylene terephthalate (harder component) or poly (organo) siloxane (softer component).
  • the centering region may comprise a plurality of circumferentially spaced centering segments. This facilitates compared to a configuration which corresponds to a complete ring, the radial inward bending of the centering area in tap holes whose diameter is smaller than the diameter of the undeformed centering.
  • a clamping bushing for the stud of the sanitary fitting is integrally formed on the ring flange-like area.
  • This clamping bushing is used to set the centering ring before the sanitary fitting on the washstand to the sanitary fitting, by being pushed onto the stud of the sanitary fitting and adhering there with a certain frictional engagement.
  • This stud is known to be used for mounting the sanitary fitting to the vanity.
  • the molded seal is advantageously limited to the outside by a cylinder jacket surface.
  • the molded gasket can seal on a line that is radially outward compared to an O-ring gasket; In this way, the Zentrierdichtring invention can be used with larger tap holes, as would be possible with the use of O-ring seals.
  • the molded gasket tapers downwards, resulting in a type of sealing lip in that lower region of the molded gasket, which protrudes downwards in undeformed state over the underside of the sanitary fitting.
  • the force required to deform this projecting portion to achieve a good sealing effect is comparatively small and it is ensured that the underside of the sanitary fitting rests gap-free on the top of the washstand after completion of assembly.
  • the Zentrierdichtring shown here and designated overall by the reference numeral 1 comprises two parts which differ in their hardness, but are integrally joined together in the two-component injection molding process. In this way, the Zentrierdichtring 1 can be pre-assembled as a unit to a washbasin fitting, as will be explained in more detail below.
  • the made of a harder material part 2 of the Zentrierdichtringes 1 comprises a ring flange-like portion 2 a, which extends in the radial direction to the largest diameter of the Zentrierdichtringes 1.
  • the edge of this annular flange portion 2a carries a plurality of radially projecting clamping knobs 13.
  • three such Zentriersegmente 2bb are provided at an angular distance in the circumferential direction of 120 °.
  • a clamping bushing 2c which serves in the manner to be described below the determination of the Zentrierdichtringes 1 on the stud, with which the washstand fitting attached to the washstand.
  • the clamping bushing 2 c has the shape of a hollow cylinder, of which a part is cut off in the radially outer region, so that approximately the shape of a U is formed in cross section.
  • the radius of the through hole through the clamp bushing 2c substantially corresponds to the radius of the stud bolt of the washbasin fitting.
  • the annular flange portion 2a On the underside of the annular flange-like region 2a is molded of a softer material molded seal 3.
  • the annular flange portion 2a has distributed over the circumference a plurality of through holes 4, in which the material of the molded seal 3 can penetrate during Anspritzvorgang.
  • the molded gasket 3 has a cylindrical outer wall whose radius coincides with the outer radius of the annular flange portion 2a (without considering the clamping knobs 13). It tapers from top to bottom, but the outer radius remains unchanged. This is especially the FIG. 2 good to take.
  • FIGS. 4 and 5 the lower portion of a washbasin fitting is denoted by the reference numeral 5.
  • the design of this washstand fitting 5 is known as such and therefore need not be described in detail. Suffice it to point out that at the bottom of the washbasin fitting 5 is a recess 6, in which the Zentrierdichtring 1 is inserted under compression of the clamping knobs 13 so that the lower portion of the molded seal 3 projects slightly down.
  • the centering segments 2bb point downwards.
  • the terminal bushing 2c is guided over the stud bolt 7, which is fixed in the bottom region of the washbasin fitting 5 in a known manner and in a known manner the assembly of the washbasin fitting 5 to a washstand 8 is used.
  • the washbasin fitting 5 is placed with the Zentrierdichtring 1 on the washstand 8 and clamped against this so that the annular footprint 11 of the washbasin faucet 5 rests against the top of the washstand 8, so deformed, the molded seal 3 of the Zentrierdichtringes 1 in the manufacture a reliable seal between washbasin fitting 5 and 8 washbasin required manner.
  • the centering segments 2bb of the centering sealing ring 1 ensure centering of the washbasin fitting 5 within the tap hole 12 of the washstand, with smaller diameters of the tap hole 12 resulting in a certain radial deflection of the centering segments 2bb inwards.

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)
  • Sink And Installation For Waste Water (AREA)
  • Domestic Plumbing Installations (AREA)
  • Gasket Seals (AREA)

Claims (8)

  1. Anneau d'étanchéité de centrage pour une robinetterie sanitaire, en particulier une robinetterie de lavabo, avec une zone en forme de bride annulaire présentant un plus grand diamètre, qui est conçue pour être disposée entre la face inférieure de la robinetterie sanitaire et la face supérieure du lavabo ou analogue, et au moins une zone de centrage formée dessus d'une seule pièce, présentant un plus petit diamètre et s'étendant vers le bas, qui est conçue pour être introduite dans le trou prévu pour le robinet d'un lavabo ou analogue,
    la zone en forme de bride annulaire (2a) et ladite au moins une zone de centrage (2b) formée sur elle sont réalisées dans un matériau présentant une première dureté ;
    caractérisé en ce que sur la face inférieure de la zone en forme de bride annulaire (2a) est formé, par un procédé d'injection à deux composants, un joint profilé (3) qui présente une deuxième dureté qui est plus petite que la première dureté.
  2. Anneau d'étanchéité de centrage selon la revendication 1, caractérisé en ce que la première dureté s'élève à environ 170 HB.
  3. Anneau d'étanchéité de centrage selon la revendication 1 ou 2, caractérisé en ce que la deuxième dureté s'élève à environ 50 à 70 HB (environ dureté Shore A).
  4. Anneau d'étanchéité de centrage selon l'une des revendications précédentes, caractérisé en ce qu'il est réalisé en polymère thermoplastique à base de polytéréphtalate de butylène (composante plus dure) et de poly(organo)siloxane.
  5. Anneau d'étanchéité de centrage selon l'une des revendications précédentes, caractérisé en ce que la zone de centrage (2b) comprend plusieurs segments de centrage (2bb) espacés les uns des autres en direction circonférentielle.
  6. Anneau d'étanchéité de centrage selon l'une des revendications précédentes, caractérisé en ce qu'une traversée de serrage (2c) pour le boulon fileté (7) de la robinetterie sanitaire (5) est formée sur la zone en forme de bride annulaire (2a).
  7. Anneau d'étanchéité de centrage selon l'une des revendications précédentes, caractérisé en ce que le joint profilé (3) est limité vers l'extérieur par une surface d'enveloppe cylindrique.
  8. Anneau d'étanchéité de centrage selon l'une des revendications précédentes, caractérisé en ce que le joint profilé (3) s'effile vers le bas.
EP11006682.6A 2010-09-04 2011-08-16 Anneau d'étanchéité de centrage pour une armature sanitaire, notamment une armature de table de lavage Active EP2426280B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010044420 DE102010044420B4 (de) 2010-09-04 2010-09-04 Zentrierdichtring für eine Sanitärarmatur, insbesondere eine Wachtischarmatur

Publications (2)

Publication Number Publication Date
EP2426280A1 EP2426280A1 (fr) 2012-03-07
EP2426280B1 true EP2426280B1 (fr) 2015-10-21

Family

ID=44772648

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11006682.6A Active EP2426280B1 (fr) 2010-09-04 2011-08-16 Anneau d'étanchéité de centrage pour une armature sanitaire, notamment une armature de table de lavage

Country Status (4)

Country Link
EP (1) EP2426280B1 (fr)
CN (1) CN102418367B (fr)
DE (1) DE102010044420B4 (fr)
ES (1) ES2556154T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017101900A1 (de) 2017-01-31 2018-08-02 Oras Oy Sanitärarmatur und Dichtung zur Befestigung in einem Durchgangsloch einer Sanitärinstallation
JP7173454B2 (ja) * 2018-10-29 2022-11-16 レプリゲン・コーポレーション 一体的封止部を有するレジューサ用の装置、システム、および方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19853139A1 (de) * 1998-11-18 2000-05-25 Grohe Kg Hans Sanitärarmatur
CN1423075A (zh) * 2001-12-06 2003-06-11 河北华虹止水材料有限公司 一种橡胶密封圈及其制备方法
US7686351B2 (en) * 2007-07-27 2010-03-30 Air Products And Chemicals, Inc. Soft insert gasket
DE102008015808B3 (de) * 2008-03-27 2009-10-01 Pröll, Robert Behälter mit Fächern und verschiebbaren Tastelementen
DE102008018508A1 (de) 2008-04-10 2009-10-22 Ideal-Standard International B.V.B.A. Sanitärarmatur
US20110140374A1 (en) * 2008-09-29 2011-06-16 Dubiel Robert J Hygienic tube fitting gasket
CN201459819U (zh) * 2009-05-13 2010-05-12 李林 新型水槽
CN102059014B (zh) * 2010-11-05 2012-11-07 上海闰铭精密技术有限公司 过滤和分离用复合密封圈

Also Published As

Publication number Publication date
DE102010044420A1 (de) 2012-03-08
CN102418367A (zh) 2012-04-18
CN102418367B (zh) 2014-12-10
ES2556154T3 (es) 2016-01-13
EP2426280A1 (fr) 2012-03-07
DE102010044420B4 (de) 2012-06-28

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