WO2007134360A1 - Robinet - Google Patents

Robinet Download PDF

Info

Publication number
WO2007134360A1
WO2007134360A1 PCT/AU2007/000261 AU2007000261W WO2007134360A1 WO 2007134360 A1 WO2007134360 A1 WO 2007134360A1 AU 2007000261 W AU2007000261 W AU 2007000261W WO 2007134360 A1 WO2007134360 A1 WO 2007134360A1
Authority
WO
WIPO (PCT)
Prior art keywords
tap
spindle
seal
valve member
opening
Prior art date
Application number
PCT/AU2007/000261
Other languages
English (en)
Inventor
Sam Robertson England
Original Assignee
Caroma Industries Limited
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
Priority claimed from AU2006902680A external-priority patent/AU2006902680A0/en
Application filed by Caroma Industries Limited filed Critical Caroma Industries Limited
Priority to NZ571378A priority Critical patent/NZ571378A/en
Priority to AU2007252271A priority patent/AU2007252271B2/en
Publication of WO2007134360A1 publication Critical patent/WO2007134360A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
    • F16K3/06—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages
    • F16K3/08—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages with circular plates rotatable around their centres

Definitions

  • the present invention relates to a tap, more particularly a quarter turn tap which, as the name suggests, allows fluid flow therethrough to be controlled between no flow and maximum flow in response to an approximately 90 degree angular movement of the tap handle.
  • the invention has been developed for use in relation to a quarter turn tap that can be manufactured, relatively inexpensively, from plastics materials and will be described hereinafter with reference to that application. However, the invention is not limited to this particular use.
  • Quarter turn taps are well known for controlling fluid, particularly water, supply in many applications.
  • known quarter turn taps are complicated and thus expensive to produce, particularly as they require multiple seals to: seal against water leaking past the quarter turn valve members; seal against fluid leaking from the fluid inlet to the fluid outlet; and seal against fluid leaking between the tap body and the tap spindle.
  • the present invention provides a tap comprising: a handle; a spindle adapted for angular movement about its longitudinal axis in response to like movement of the handle; a body with a fluid inlet, a fluid outlet and an opening for at least partially receiving the spindle therein; a substantially cup-shaped elastomeric seal having a base and a sidewall, the seal base having a fluid inlet opening in fluid communication with the body fluid inlet and adapted for sealing relative to the body adjacent the body fluid inlet, the sidewall having a fluid outlet opening in fluid communication with the body fluid outlet and being adapted for sealing relative to the body adjacent the body fluid outlet; and first and second substantially complimentarily shaped ceramic valve members, the first valve member being adjacent to the end of the spindle opposite the handle and adapted for angular movement in response to like movement of the handle and having at least one opening therein, the second valve member being positioned between the first valve member and the seal base and restrained against angular movement relative to the seal base and having at least one opening in
  • the seal preferably has a pair of said fluid inlet openings and the first and second valve members preferably each have a respective complimentary pair of inlet openings.
  • the seal base preferably has a recess complimentary to the second valve member to receive and restrain same against angular movement relative to the body.
  • the spindle preferably has an external flange adapted for engagement with a retaining member positioned around the spindle within the spindle opening.
  • the spindle opening preferably has a first internal thread for engaging an external thread on the retaining member.
  • the retaining member is preferably secured relative the body by a locknut.
  • the body preferably has a second internal thread for engaging an external thread on the locknut.
  • the locknut preferable has a tool formation adapted for engagement with the retaining member.
  • the locknut preferably has an external thread for engagement with a decorative flange.
  • the body preferably has an external thread for receiving upper and lower nuts adapted for securing against the opposed sides of a mounting surface.
  • the spindle preferably has a plastic, most preferably acetal, body and a metal, most preferably brass, shaft.
  • the shaft is preferably adapted for connection to the handle.
  • the spindle body preferably has a plurality of fingers depending therefrom, which are adapted for engagement with the first valve member so as to cause corresponding movement in the spindle body and the first valve member.
  • the body inlet is preferably in the form of a spigot, most preferably an externally threaded spigot.
  • the body outlet is preferably in the form of a spigot, most preferably an externally threaded spigot.
  • the seal is preferably a formed elastomeric material, most preferably silicon.
  • the distal end of the side wall of the seal preferably has an internal flange adapted for location within a corresponding recess provided on the spindle body.
  • first and second valve members have a substantially bow-tie shape.
  • first valve member has a substantially bow-tie shape and the second valve member has a substantially circular shape with two substantially quadrant shaped openings therein.
  • Figure 1 is a perspective view of a first embodiment of a tap
  • Figure 2 is an exploded view of the tap shown in Fig. 1;
  • Figure 3 is a cross-sectional side view of the tap shown in Fig. 1;
  • Figures 4 - 10 are bottom, perspective, right hand side, front, left hand side, rear and top views of a seal used in the tap shown in Fig. 1 ;
  • FIG 11 is a top view of the ceramic valve members used in the tap shown in Figure 1;
  • Figure 12 is a perspective view of a second embodiment of a tap
  • Figure 13 is an exploded view of the tap shown in Fig. 12;
  • Figure 14 is a cross sectional side view of the tap shown in Fig. 12;
  • Figures 15 to 19 are bottom perspective front, rear and top views of the seal used in the tap shown in Fig. 12;
  • Figures 20 and 21 are top and bottom views of a first valve member used in the tap shown in Fig. 12; and - A -
  • Figures 22 and 23 are top and bottom views of a second valve member used in the tap shown in Fig. 12.
  • a first embodiment of quarter turn tap 10 has a spindle 12 formed from an acetal spindle body 14 and a brass spindle shaft 16.
  • the spindle body 14 has a first external flange 14a, a peripheral recess 14b, and a second external flange 14c.
  • a handle (not shown) is attached to the top of the shaft 16 so that angular movement (i.e. turning) of the handle causes corresponding angular movement in the shaft 16.
  • the tap 10 also has a body 18 with a fluid inlet, in the form of externally threaded spigot 20, and a fluid outlet, in the form of an externally threaded spigot 22, and an opening 24 for at least partially receiving the spindle body 14 therein.
  • the tap 10 also has a substantially cup-shaped silicon seal 26 with a base 26a and a sidewall 26b.
  • a pair of first and second ceramic valve members 28a and 28b are positioned in the tap 10 between the end of the spindle 12 that is remote the shaft handle end and the base 26a of the seal 26.
  • the end of the spindle body 14 adjacent the valve members 28a and 28b has four fingers 14c depending therefrom for engaging the valve member 28a such that angular movement of the spindle 12 causes corresponding angular movement of the valve member 28a.
  • the tap 10 also has a retaining member 30 which has an external thread 30a for engaging with a lower internal thread 24a provided in the end of the spindle opening 24 that is adjacent the seal 26.
  • a rotational stop 32 is provided adjacent the retaining member 30.
  • the rotational stop 32 has a lower external thread 32a and an upper external thread 32b.
  • the lower external thread 32a engages a lower internal thread 24b in the opening 24.
  • the upper end 32c of the rotational stop 32 has a tool formation which allows it to engage with the upper end 30b of the retaining member 30.
  • the tap 10 also has a pair of nuts 34a and 34b. As best shown in Fig.
  • valve members 28a and 28b each have a substantially complementary 'bow tie' shape, formed by a pair of 90 degree quadrant shaped regions.
  • the first valve member 28a has a pair of openings therein, in the form of gaps 36a between the quadrants.
  • the second valve member 28b also has a pair of openings 36b in its quadrant shaped regions. .
  • the base 26a of the seal 26 has a pair of openings 38, that correspond to the openings 36 in the valve member 28a, and an inwardly facing recess 40 for receiving and locating the valve member 28b therein.
  • the seal 26 also includes an outlet opening 42 in its sidewall 26b and a tongue 44 adapted to locate in a corresponding groove in the tap body 18 in order to prevent the seal 26 from rotating relative to the body 18.
  • the seal 26 also has an inwardly facing flange 46 which is received in a corresponding external recess provided in the body 18.
  • valve members 28a and 28b are positioned within the seal 26, with the valve member 28b seated in the recess 40.
  • the spindle 12 is then inserted into the seal 26 with the flange 46 in engagement with the recess 14b.
  • the resulting spindle/seal assembly advantageously ensures that the (small) valve members 26a and 26b are not lost during subsequent handling.
  • the spindle/seal assembly is then inserted into the opening 24 in the body 18 with the tongue 44 engaged with its corresponding groove.
  • the retaining member 30 is then screwed into the opening 24 and tightened against the flange 14a in order to secure the spindle/seal assembly in the body 18.
  • the (inverted) rotational stop 32 is then engaged with the retaining member 30 and used a tool to tighten the retaining member 30 relative to the body 18.
  • the tightening action also forces the valve members 28a and 28b against the base 26a of the seal 26 and creates a preload on the valve members 28a and 28b. This preload resists inlet water pressure on the valve members 28a and 28b when the valve 10 is in the closed position and therefore improves the sealing of the tap 10.
  • the tightening action also results in the flange 14c compressing the seal 26 outwardly against adjacent inner surface of the tap body 18 to improve the sealing therebetween.
  • the rotational stop 32 is then returned to the orientation shown in the drawings and screwed into the body 18.
  • the nuts 34a and 34b are then screwed onto the exterior of the tap body 18 either side of a mounting surface, for example a counter top or a sink, as is well known in the art.
  • a decorative flange (not shown) can also, if desired, be screwed onto the upper external thread 32a of the locknut 32 before fitting of the tap handle (also not shown).
  • Inlet and outlet water supplies are then connected to the spigots 20 and 22 respectively, as is also well known in the art.
  • the operation of the tap 10 will now be described.
  • the movement of the spindle 12 is restrained to about a 90 degree angular movement by lugs inside rotation stop 30 and ribs on spindle 12.
  • the lower valve member 28b is restrained against angular movement relative to the tap body 18 by its engagement with the recess 40 in the seal 26.
  • Angular movement of the handle causes corresponding angular movement of the spindle 12 which in turn causes corresponding angular movement of the valve member 28a.
  • valve member 28a At one "closed” end position, the valve member 28a is positioned to coincide with (i.e. is aligned with) that of the valve member 28b. hi this closed position, the first valve member 28a occludes the openings 36b in the second valve member 28b. As a result, inlet water pressure supplied to the inlets 38 in the seal 26, and so to the openings 36 in the valve member 28b, is prevented from going any further.
  • the first valve member 28a is positioned so as to not occlude the openings 36 in the valve member 28b. Put another way, the openings 36a in the fist valve member 28a are aligned with the openings 36b in the second valve member. This permits water to flow from the inlet spigot 20, past the openings 36a between the quadrant shaped regions in the valve member 28a, and into the interior of the seal 26 before progressing through the outlet opening 42 to the outlet spigot 22.
  • FIG. 12 to 23 A second embodiment of quarter turn tap 10' is shown in Figs. 12 to 23.
  • the construction, assembly and operation of the tap 10' is similar to the tap 10 previously described with reference to Figs. 1 to 11 and like reference numerals will be used to indicate like features.
  • the end of the spindle body 14 adjacent to the valve members 28a and 28b is formed from a separate press on moulded plastic part 14e.
  • the part 14e includes the four fingers 14c depending therefrom that engage the valve member 28a.
  • the plastic component 14e reduces the cost of the spindle 12 and also reduces wear on the silicon seal 26.
  • the valve member 28b in the tap 10' has an overall circular shape with a pair of quadrant shaped openings 36b therein.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve Housings (AREA)
  • Lift Valve (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

L'invention concerne un robinet (10) comprenant : une poignée; une tige (12); un corps (18); un joint étanche élastomère sensiblement en forme de coupe (26); et un premier (28a) et un second (28b) élément de vanne céramique de formes sensiblement complémentaires. La tige (12) est conçue pour un mouvement angulaire autour de son axe longitudinal en réponse à un mouvement similaire de la poignée. Le corps (18) présente une entrée de fluide (20), une sortie de fluide (22) et une ouverture (24) pour recevoir au moins partiellement la tige. Le joint étanche (26) présente une base (26a) et une paroi latérale (28b). La base de joint (26a) présente une ouverture d'entrée de fluide (38) en communication fluidique avec l'entrée de fluide (20) du corps conçue pour être scellée de façon étanche sur le corps (18) à proximité de l'entrée de fluide (20) du corps. La paroi latérale (26b) de joint présente une ouverture de sortie de fluide (42) en communication fluide avec la sortie de fluide (22) du corps et est conçue pour être scellée de façon étanche sur le corps à proximité de la sortie de fluide (22) du corps (18). Le premier élément de vanne (28a) est adjacent à l'extrémité de la tige (12) opposée à la poignée et est conçu pour un mouvement angulaire en réponse à un mouvement similaire de la poignée et comporte au moins une ouverture (36a) dans celui-ci. Le second élément de vanne (28b) est disposé entre le premier élément de vanne (28a) et la base de joint (26b); il est restreint à l'encontre d'un mouvement angulaire par rapport à la base de joint (26b) et a au moins une ouverture (36) en communication fluidique avec l'ouverture d'entrée de fluide (38) dans la base de joint (26b). Un mouvement de la poignée amène le premier élément de vanne (28a) à se déplacer entre une position ouverte, où les premier (28a) et le second (28b) élément de vanne sont alignés pour permettre un passage de fluide de l'entrée de fluide (20) du corps à la sortie de fluide (22) du corps par l'intermédiaire de la ou des ouvertures (36) du second élément de vanne et de l'intérieur du joint (26), et une position fermée, où le premier élément de vanne (28a) obstrue la ou les ouvertures dans le second élément de vanne (28b) pour empêcher ledit passage de fluide.
PCT/AU2007/000261 2006-05-18 2007-03-02 Robinet WO2007134360A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NZ571378A NZ571378A (en) 2006-05-18 2007-03-02 A quarter turn tap
AU2007252271A AU2007252271B2 (en) 2006-05-18 2007-03-02 A tap

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2006902680 2006-05-18
AU2006902680A AU2006902680A0 (en) 2006-05-18 A tap

Publications (1)

Publication Number Publication Date
WO2007134360A1 true WO2007134360A1 (fr) 2007-11-29

Family

ID=38722837

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2007/000261 WO2007134360A1 (fr) 2006-05-18 2007-03-02 Robinet

Country Status (4)

Country Link
CN (1) CN101421549A (fr)
AU (1) AU2007252271B2 (fr)
NZ (1) NZ571378A (fr)
WO (1) WO2007134360A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0035056B1 (fr) * 1980-03-03 1984-06-06 American Standard Inc. (a Delaware corporation) Cartouche de soupape interchangeable et raccord sanitaire
EP0265537B1 (fr) * 1986-10-27 1992-03-04 Bürkert GmbH Obturateur à disque
WO1995014876A1 (fr) * 1993-11-22 1995-06-01 Ideal-Standard Gmbh Robinet pour installation sanitaire
WO1999023404A1 (fr) * 1997-11-05 1999-05-14 Amerikam, Inc. Inverseur de douche ou de baignoire
US20010029984A1 (en) * 1999-12-28 2001-10-18 Creswell Robert S. Valve cartridge with reduced tolerance stack-up
DE10105268A1 (de) * 2001-02-02 2002-08-22 Andreas Moehlenhoff Ventil für ein Leitungsrohr
US20050126645A1 (en) * 2003-07-31 2005-06-16 Peter Berkman Frost free valve assembly
US20050126643A1 (en) * 2003-12-11 2005-06-16 Oscar Romero Two-handle flow-through valve
US20050151106A1 (en) * 2004-01-08 2005-07-14 Yong Qiang He Ceramic cartridge for a stop valve

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0035056B1 (fr) * 1980-03-03 1984-06-06 American Standard Inc. (a Delaware corporation) Cartouche de soupape interchangeable et raccord sanitaire
EP0265537B1 (fr) * 1986-10-27 1992-03-04 Bürkert GmbH Obturateur à disque
WO1995014876A1 (fr) * 1993-11-22 1995-06-01 Ideal-Standard Gmbh Robinet pour installation sanitaire
WO1999023404A1 (fr) * 1997-11-05 1999-05-14 Amerikam, Inc. Inverseur de douche ou de baignoire
US20010029984A1 (en) * 1999-12-28 2001-10-18 Creswell Robert S. Valve cartridge with reduced tolerance stack-up
DE10105268A1 (de) * 2001-02-02 2002-08-22 Andreas Moehlenhoff Ventil für ein Leitungsrohr
US20050126645A1 (en) * 2003-07-31 2005-06-16 Peter Berkman Frost free valve assembly
US20050126643A1 (en) * 2003-12-11 2005-06-16 Oscar Romero Two-handle flow-through valve
US20050151106A1 (en) * 2004-01-08 2005-07-14 Yong Qiang He Ceramic cartridge for a stop valve

Also Published As

Publication number Publication date
AU2007252271B2 (en) 2012-08-16
AU2007252271A1 (en) 2007-11-29
NZ571378A (en) 2010-10-29
CN101421549A (zh) 2009-04-29

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