EP1797250A1 - Nozzle for the water outlet of a faucet - Google Patents

Nozzle for the water outlet of a faucet

Info

Publication number
EP1797250A1
EP1797250A1 EP05776336A EP05776336A EP1797250A1 EP 1797250 A1 EP1797250 A1 EP 1797250A1 EP 05776336 A EP05776336 A EP 05776336A EP 05776336 A EP05776336 A EP 05776336A EP 1797250 A1 EP1797250 A1 EP 1797250A1
Authority
EP
European Patent Office
Prior art keywords
water
water outlet
wasserauslaufinundstück
perforated plate
mold
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
EP05776336A
Other languages
German (de)
French (fr)
Other versions
EP1797250B1 (en
Inventor
Michael Obst
Horst Kunkel
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
Original Assignee
Hansa Metallwerke 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 Hansa Metallwerke AG filed Critical Hansa Metallwerke AG
Publication of EP1797250A1 publication Critical patent/EP1797250A1/en
Application granted granted Critical
Publication of EP1797250B1 publication Critical patent/EP1797250B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices
    • E03C1/086—Jet regulators or jet guides, easily mountable on the outlet of taps

Definitions

  • the invention relates to a water outlet mouthpiece for the water outlet of a Was ⁇ faucet with at least one expansion element for the water flowing through.
  • a water outlet mouthpiece in particular for a household water pipe is known in which the water inlet side, a filter element is arranged. Behind this filter element two nozzle plates are provided, each having zylinder ⁇ shaped passage openings, which are arranged offset to one another. With the nozzle plates, the water is divided into a plurality of individual jets, which mix in a subsequent mixing chamber with sucked air and are summarized in a subsequent sieve package again to a full, the water outlet mouth ver ⁇ let mixing beam.
  • the object of the invention is to design a device of the type mentioned above such that the water jet can be distributed uniformly to a plurality of outlet openings on the water outlet side without the use of an air mixer or air bubbler in order to obtain a homogeneous spray pattern from a plurality of water jets.
  • the flow velocity of the incoming jet of water with the throttle element is reduced in order to obtain a laminar flow.
  • the jet of water is then mixed with the at least one expansion element.
  • the exiting water jet is formed by the mold element. Since the water flows through the water outlet mouthpiece with virtually no turbulence at a reduced rate of flow and, moreover, no air supply is provided, no mixing with air takes place in the water outlet mouthpiece.
  • a water line between a mixer valve or the like and the water outlet mouthpiece can be used with a relatively small internal cross-section, which takes a correspondingly smaller amount of water. In this way, a relatively quick water exchange in the water pipe reachable, so that when changing the setting of the mixer valve a rapid change in temperature and / or change in water quantity, so a quick feedback at the water outlet takes place.
  • the elements are each arranged at a distance from one another. This has the advantage that, following each element, a sufficiently large volume is available, into which the water can disperse without turbulence.
  • the at least one throttle element is a baffle plate arranged essentially perpendicular to the water flow direction in an antechamber of the water outlet mouthpiece.
  • the baffle plate has flow openings along its edges.
  • a water outlet with a smaller internal cross section ein ⁇ settable with the faster water supply from a mixing valve to the water outlet nozzle is made possible.
  • the at least one widening element can be realized in a particularly simple manner and without great technical complexity as a perforated plate, in particular as a perforated plate, with a multiplicity of holes arranged in particular evenly over the respective perforated plate, which is arranged in front of a respective widening space.
  • At least two perforated plates are arranged one behind the other essentially parallel to one another, whose holes are offset so that the water flows through the holes of one of the perforated plates at the respective non-perforated region of the perforated plates Viewed flow direction brakes next perforated plate, and thus the flow velocity is further reduced, to Chen a calming of the water flow and an even better distribution of the water to Errei chen.
  • the molding element has a plurality of mold channels through which water can flow, to which the water is divided, and with which the desired spray pattern is realized.
  • the molding element is a cuboid with continuous cylinder bores.
  • the use of a cuboid has the advantage that a multiplicity of cylinder bores can be arranged along its long sides, so that a water curtain composed of a multiplicity of individual molding jets can be produced.
  • the Wasserauslaufmund ⁇ piece has a substantially an outer cross-section of the same element equivalent inner cross-section, so that a uniform expansion of the water jet over the entire flow area in the water outlet nozzle is made possible before the mold element.
  • the at least one throttle element, the at least one expansion element and the mold element can be connected to one another or in a carrier element which can be connected to the water outlet, in particular be clipped, in particular in a housing.
  • the carrier element has an inlet connection for connection to a hose, with which the water outlet nozzle can be connected to a hose in the interior of the valve, which leads to the mixing valve.
  • the fitting itself does not come into contact with water in this way. In this way it is prevented that limescale settles in the fitting or the interior of the fitting corrodes.
  • FIG. 1 schematically, in section, a water outlet mouthpiece for a tap with a rectangular internal cross section
  • FIG. 2 shows a water outlet-side view of the water outlet mouthpiece shown in FIG. 1;
  • FIG 3 shows the components of the water outlet mouthpiece shown in Figure 1 in isometric view and in each case in a plan view.
  • a water outlet mouthpiece 1 is arranged in a water outlet 2 with a rectangular cross-section of a water tap.
  • One with a not shown Mixing valve connected water hose 3 is inserted on the water inlet side in Figure 1 from above on a rohrförrnigen input port 4 of the water outlet in piece 1 ge.
  • the inlet nozzle 4 is arranged centrally in an end face of a housing 5 of the water outlet end piece 1.
  • the housing 5 is a cuboid, in cross-section to the water outlet 2 complementary hollow body which is opened in the figure 1 un ⁇ th and is used as a support member for the components described in more detail below.
  • the entrance 4 opens into an anteroom 6 in the housing 5.
  • the vestibule 6 has perpendicular to the course of the inlet nozzle 4 has a rectangular cross-section whose area is substantially larger than the surface of the inner cross section of the water hose 3.
  • the inlet port 4 opposite side of the vestibule. 6 is bounded by a flat baffle plate 7, which is arranged parallel to the end face of the housing 5 and whose outer cross section coincides with the inner cross section of the housing 5 agrees.
  • the baffle plate 7 has flow openings 8 along its edges, through which water from the antechamber 6 in FIG. 1 can flow downwards into a first widening space 9.
  • the through-flow openings 8 have the shape of cylinders which are halved along their respective axis and whose cut surfaces are flush with the respective edge of the baffle plate 7.
  • the first expansion space 9 is limited in Figure 1 below by a first flat perforated plate 10, which is arranged parallel to the baffle plate 7.
  • a multiplicity of through-holes 11 are arranged in the form of cylinder bores.
  • the edge of the first perforated plate 10 merges into a first sleeve 12, which extends equally upwards and downwards and downwards.
  • the outer cross section of the first sleeve 12 coincides with the inner cross section of the housing 5.
  • the holes 11 of the first perforated plate 10 open into a second widening space 13.
  • the second widening space 13 is bounded in the figure below by a second perforated plate 14. 5 008881
  • the second perforated plate 14 has a multiplicity of through holes 15, which resemble the holes 11.
  • the holes 15 are arranged offset relative to the holes 11, so that the holes 11, 15 of each of the two perforated plates 10, 14 are each arranged opposite a non-perforated area of the other perforated plate 14, 10.
  • the edges of the second perforated plate 14 go, analogous to the edges of the perforated plate 10, in a second sleeve 16 on.
  • the outer cross section of the second sleeve 16 also coincides with the inner cross section of the housing 5.
  • the holes 15 of the second perforated plate 14 open into a third widening space 17, which is bounded on the water outlet side in the figure below by a shaped element 18.
  • the shaped element 18 has the shape of a cuboid, which is arranged in a form-fitting manner in the housing 5, so that one of its surface pairs is oriented parallel to the second perforated plate 14.
  • three identical mold channels 19 are arranged for three water jets equidistant side by side.
  • the molding channels 19 are continuous cylinder bores whose cylinder axes are oriented perpendicular to the perforated plates 10, 14 and which open out of the water outlet mouthpiece 1.
  • FIG . 2 is FIG . the water outlet side of the water outlet mouthpiece 1 is shown. Through the molding channels 19 through the perforated plate 14 can be seen with a portion of their holes 15.
  • the housing 5, the baffle plate 7, the first perforated plate 10, the second perforated plate 14 and the shaped element 18 are each viewed from below.
  • the water flows through the holes 11 of the first perforated plate 10 into the second expansion space 13, where the flow velocity is reduced again and an expansion of the original water jet over the entire cross section of the second perforated plate 14 is achieved.
  • the homogeneous laminar water flow now flows uniformly to the mold channels 19 of the mold element 18, with each of which a water jet is formed, so that three homogeneous water jets emerge from the mold element 18 of the water outlet mouthpiece 1 on the water outlet side.
  • the water outlet mouthpiece 1 is connected directly to the water outlet of the faucet in this case.
  • the water outlet mouthpiece 1 is plugged into the water hose 3 or the water outlet, clipped or screwed.
  • cross sections instead of rectangular cross sections, other cross sections, for example square or also oval cross sections, may be provided.
  • perforated plates and perforated plates made of a different material can be used. It can also be provided more or less than two perforated plates

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)
  • Nozzles (AREA)
  • Domestic Plumbing Installations (AREA)

Abstract

Disclosed is a nozzle (1) for the water outlet (2) of a faucet comprising at least one expanded element (10, 14) for the penetrating water. In order to evenly distribute the water jet to several outlet ports (19) while obtaining a homogeneous jet image from several water jets at the water discharge end without using an aerator or air-whirling device, at least one throttle element (7) is disposed upstream of the at least one expanded element (10, 14) relative to the direction of flow of the water at the water inlet end while a molded element (18) is arranged at the water discharge end.

Description

005/008881 005/008881
Wasserauslaufmundstück für den Wasserauslauf eines Wasserhahns.Water outlet mouthpiece for the water outlet of a faucet.
Die Erfindung betrifft ein Wasserauslaufmundstück für den Wasserauslauf eines Was¬ serhahns mit -wenigstens einem Aufweitungselement für das durchströmende Wasser.The invention relates to a water outlet mouthpiece for the water outlet of a Was¬ faucet with at least one expansion element for the water flowing through.
Bekannt ist, bei Wasserauslaufmundstücken von Wasserhähnen Luftsprudler oder Luftmischer einzusetzen, mit denen durchströmendes Wasser mit Luft vermischt wird, so dass ein einziger, luftangereicherter Wasserstrom aus dem Wasserauslauf mundstück austritt.It is known to use aerators or air mixers in water outlet mouthpieces of faucets, with which water flowing through is mixed with air, so that a single, air-enriched water flow from the water outlet mouthpiece emerges.
Aus der CH 439 143 ist ein Wasserauslaufmundstück insbesondere für ein Haushalts- Wasserrohr bekannt, bei dem wassereintrittsseitig ein Filterelement angeordnet ist. Hinter diesem Filterelement sind zwei Düsenplatten vorgesehen, die jeweils zylinder¬ förmige Durchtrittsöffhungen aufweisen, die zueinander versetzt angeordnet sind. Mit den Düsenplatten wird das Wasser in eine Vielzahl von Einzelstrahlen aufgeteilt, die sich in einem nachfolgenden Mischraum mit angesaugter Luft mischen und in einem anschließenden Siebpaket wieder zu einem vollen, das Wasserauslaufmundstück ver¬ lassenden Mischstrahl zusammengefasst werden.From CH 439 143 a water outlet mouthpiece, in particular for a household water pipe is known in which the water inlet side, a filter element is arranged. Behind this filter element two nozzle plates are provided, each having zylinder¬ shaped passage openings, which are arranged offset to one another. With the nozzle plates, the water is divided into a plurality of individual jets, which mix in a subsequent mixing chamber with sucked air and are summarized in a subsequent sieve package again to a full, the water outlet mouth ver¬ let mixing beam.
Aufgabe der Erfindung ist es, eine Vorrichtung der Eingangs genannten Art so auszu¬ gestalten, dass der Wasserstrahl ohne Verwendung eines Luftmischers oder Luft- sprudlers wasseraustrittsseitig gleichmäßig auf mehrere Austrittsöffnungen verteilbar ist, um ein homogenes Strahlbild aus mehreren Wasserstrahlen zu erhalten.The object of the invention is to design a device of the type mentioned above such that the water jet can be distributed uniformly to a plurality of outlet openings on the water outlet side without the use of an air mixer or air bubbler in order to obtain a homogeneous spray pattern from a plurality of water jets.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass wassereintrittsseitig in Wasserströmungsrichtung betrachtet vor dem wenigstens einen Aufweitungselement wenigstens ein Drosselelement und wasseraustrittsseitig ein Formelement angeordnet sind.This object is achieved in that water inlet side viewed in the direction of water flow in front of the at least one expansion element at least one throttle element and water outlet side, a mold element are arranged.
Erfindungsgemäß wird also die Strömungsgeschwindigkeit des eintretenden Wasser¬ strahls mit dem Drosselelement reduziert, um eine laminare Strömung zu erhalten. Der Wasserstrahl -wird daraufhin mit dem wenigstens einen Aufweitungselemente gleich-According to the invention, therefore, the flow velocity of the incoming jet of water with the throttle element is reduced in order to obtain a laminar flow. The jet of water is then mixed with the at least one expansion element.
3ESTÄTIGUNGSK0PE 813ESTÄTIGUNGSK0PE 81
mäßig aufgeweitet und noch weiter verlangsamt Anschließend wird der austretende Wasserstrahl durch das Formelement geformt. Da das Wasser mit reduzierter Strö¬ mungsgeschwindigkeit nahezu turbulenzfrei durch das Wasserauslaufmundstück strömt, und darüber hinaus auch keine Luftzufuhr vorgesehen ist, findet in dem Was- serauslaufmundstück keine Vermischung mit Luft statt. Außerdem ist von großem Vorteil, dass eine Wasserleitung zwischen einem Mischerventil oder dergleichen und dem Wasserauslaufmundstück mit einem verhältnismäßig kleinen Innenquerschnitt verwendet werden kann, die eine entsprechend geringere Wassermenge faßt. Auf diese Weise ist eine verhältnismäßig schneller Wasseraustausch in der Wasserleitung er- reichbar, so dass beim Verändern der Einstellung des Mischerventils eine schnelle Temperaturänderung und/oder Wassermengenänderung, also ein schnelles Feedback am Wasseraustritt erfolgt. Dies ist insbesondere bei elektronisch gesteuerten Mischer¬ ventilen von großer Bedeutung, da hier ein Bediener auf dieses Feedback angewiesen ist. Die hohe Strömungsgeschwindigkeit wegen des geringen Innenquerschnitts der Wasserleitung hat hier im Unterschied zum Stande der Technik nicht zur Folge, dass Turbulenzen im Wasseraustritt zu einem inhomogenen Strahlbild führen.moderately expanded and further slowed down Subsequently, the exiting water jet is formed by the mold element. Since the water flows through the water outlet mouthpiece with virtually no turbulence at a reduced rate of flow and, moreover, no air supply is provided, no mixing with air takes place in the water outlet mouthpiece. In addition, it is of great advantage that a water line between a mixer valve or the like and the water outlet mouthpiece can be used with a relatively small internal cross-section, which takes a correspondingly smaller amount of water. In this way, a relatively quick water exchange in the water pipe reachable, so that when changing the setting of the mixer valve a rapid change in temperature and / or change in water quantity, so a quick feedback at the water outlet takes place. This is particularly important for electronically controlled mixer valves of great importance, since an operator is dependent on this feedback. The high flow velocity due to the small internal cross section of the water pipe does not have the consequence here, in contrast to the prior art, that turbulences in the water outlet lead to an inhomogeneous spray pattern.
Bei einer vorteilhaften Ausführungsform sind die Elemente jeweils in einem Abstand zueinander angeordnet. Dies hat den Vorteil, dass im Anschluss zu jedem Element ein ausreichend großes Volumen zur Verfugung steht, in das sich das Wasser turbulenzfrei verteilen kann.In an advantageous embodiment, the elements are each arranged at a distance from one another. This has the advantage that, following each element, a sufficiently large volume is available, into which the water can disperse without turbulence.
Um die Strömungsgeschwindigkeit des Wassers einfach und ohne großen technischen Aufwand zu reduzieren, sieht eine weitere vorteilhafte Ausführungsform vor, dass das wenigstens eine Drosselelement eine in einem Vorraum des Wasserauslaufmundstücks im Wesentlichen senkrecht zur Wasserströmungsrichtung angeordnete Prallplatte ist.In order to reduce the flow velocity of the water simply and without great technical effort, a further advantageous embodiment provides that the at least one throttle element is a baffle plate arranged essentially perpendicular to the water flow direction in an antechamber of the water outlet mouthpiece.
Damit das Wasser weiterfließen kann und um den Wasserstrahl bereits im Drosselele¬ ment aufzuweiten, weist bei einer weiteren vorteilhaften Ausführungsform die Prall¬ platte entlang ihrer Ränder Durchflussöffnungen auf. Außerdem ist durch die Aufwei¬ tung ab dem Drosselelement ein Wasserauslauf mit geringerem Innenquerschnitt ein¬ setzbar, mit dem eine schnellere Wasserzuführung von einem Mischventil zum Was- serauslaufmundstück ermöglicht wird. 5 008881In order to allow the water to continue to flow and to expand the water jet already in the throttle element, in another advantageous embodiment the baffle plate has flow openings along its edges. In addition, by the Aufwei¬ tion from the throttle element, a water outlet with a smaller internal cross section ein¬ settable, with the faster water supply from a mixing valve to the water outlet nozzle is made possible. 5 008881
Besonders einfach und ohne großen technischen Aufwand ist bei einer weiteren vor¬ teilhaften Ausführungsform das wenigstens eine Aufweitungselement als Lochplatte, insbesondere als Lochblech, mit einer Vielzahl von insbesondere gleichmäßig über die jeweilige Lochplatte angeordneten Löchern realisierbar, die vor einem jeweiligen Aufweitungsraum angeordnet ist.In a further advantageous embodiment, the at least one widening element can be realized in a particularly simple manner and without great technical complexity as a perforated plate, in particular as a perforated plate, with a multiplicity of holes arranged in particular evenly over the respective perforated plate, which is arranged in front of a respective widening space.
Zweckmäßigerweise sind bei einer weiteren vorteilhaften Ausfuhrungsform wenig¬ stens zwei Lochplatten in Wasserströmungsrichtung betrachtet hintereinander im We¬ sentlichen parallel zueinander angeordnet, deren Löcher versetzt angeordnet sind, so dass das Wasser nach Durchströmen der Löcher einer der Lochplatten an dem jeweili- gen nichtgelochten Bereich der in Strömungsrichtung betrachtet nächsten Lochplatte abgebremst, und so die Strömungsgeschwindigkeit weiter reduziert wird, um eine Be¬ ruhigung des Wasserstroms und eine noch bessere Verteilung des Wassers zu errei¬ chen.Conveniently, in a further advantageous embodiment, at least two perforated plates, viewed in the direction of water flow, are arranged one behind the other essentially parallel to one another, whose holes are offset so that the water flows through the holes of one of the perforated plates at the respective non-perforated region of the perforated plates Viewed flow direction brakes next perforated plate, and thus the flow velocity is further reduced, to Chen a calming of the water flow and an even better distribution of the water to Errei chen.
Bei einer besonders vorteilhaften Ausführungsform weist das Formelement eine Viel- zahl von von Wasser durchströmbaren Formkanälen auf, auf die das Wasser aufgeteilt wird, und mit denen das gewünschte Strahlbild realisiert wird.In a particularly advantageous embodiment, the molding element has a plurality of mold channels through which water can flow, to which the water is divided, and with which the desired spray pattern is realized.
Bei einer besonders vorteilhaften Ausführungsform ist das Formelement ein Quader mit durchgängigen Zylinderbohrungen. Die Verwendung eines Quaders hat den Vor¬ teil, dass entlang seiner langen Seiten eine Vielzahl von Zylinderbohrungen angeord- net werden können, so dass ein aus einer Vielzahl von einzelnen Formstrahlen zusam¬ mengesetzter Wasservorhang erzeugbar ist.In a particularly advantageous embodiment, the molding element is a cuboid with continuous cylinder bores. The use of a cuboid has the advantage that a multiplicity of cylinder bores can be arranged along its long sides, so that a water curtain composed of a multiplicity of individual molding jets can be produced.
Bei einer besonders vorteilhaften Ausführungsform weist das Wasserauslaufmund¬ stück durchgängig einen im Wesentlichen einem Aussenquerschnitt das Formelements gleichenden Innenquerschnitt auf, so dass eine gleichmäßige Aufweitung des Wasser- Strahls über den gesamten Strömungsbereich im Wasserauslaufmundstück bereits vor dem Formelement ermöglicht wird.In a particularly advantageous embodiment, the Wasserauslaufmund¬ piece has a substantially an outer cross-section of the same element equivalent inner cross-section, so that a uniform expansion of the water jet over the entire flow area in the water outlet nozzle is made possible before the mold element.
Um das Wasserauslaufmundstück einfach und ohne großen technischen Aufwand mit dem Wasserauslauf zu verbinden beziehungsweise zu Reinigungszwecken auszutau- 5 008881In order to simply connect the water outlet mouthpiece to the water outlet without great technical effort or to dispense it for cleaning purposes. 5 008881
sehen, sind bei einer weiteren vorteilhaften Ausfuhrungsform das wenigstens eine Drosselelement, das wenigstens eine Aufweitungselement und das Formelement an oder in einem mit dem Wasserauslauf verbindbaren, insbesondere einklipsbaren, Trä¬ gerelement, insbesondere in einem Gehäuse, miteinander verbindbar.In a further advantageous embodiment, the at least one throttle element, the at least one expansion element and the mold element can be connected to one another or in a carrier element which can be connected to the water outlet, in particular be clipped, in particular in a housing.
Um eine Erwärmung der Armaturen zu verhindern, sieht eine weitere vorteilhafte Aus¬ tuhrungsform vor, dass das Trägerelement einen Eingangsstutzen zur Verbindung mit einem Schlauch aufweist, mit dem das Wasserauslaufmundstück an einen Wasser¬ schlauch im Inneren der Armatur anschließbar ist, der zum Mischventil fuhrt. Die Ar¬ matur selbst kommt so nicht mit Wasser in Berührung. Auf diese Weise wird verhin- dert, dass sich in der Armatur Kalk abgesetzt beziehungsweise der Innenbereich der Armatur korrodiert.In order to prevent heating of the valves, a further advantageous embodiment provides that the carrier element has an inlet connection for connection to a hose, with which the water outlet nozzle can be connected to a hose in the interior of the valve, which leads to the mixing valve. The fitting itself does not come into contact with water in this way. In this way it is prevented that limescale settles in the fitting or the interior of the fitting corrodes.
Besonders vorteilhaft ist es, wenn in dem Wasserauslaufmundstück ein Drosselele¬ ment, zwei Aufweitungselemente und ein Formelement in Wasserströmungsrichtung hintereinander angeordnet sind. Auf diese Weise wird mit wenigen Bauteilen, die dar- über hinaus einfach aufgebaut sind, ohne großen technischen Aufwand eine optimale Aufweitung des Wasserstrahls und ein homogenes Strahlbild des austretenden Wassers erreicht.It is particularly advantageous if, in the water outlet mouthpiece, a throttle element, two expansion elements and a shaped element are arranged one behind the other in the water flow direction. In this way, with few components, which are also simple in construction, achieved without great technical effort optimum expansion of the water jet and a homogeneous spray pattern of the exiting water.
Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnung näher erläutert; es zeigenAn embodiment of the invention will be explained in more detail with reference to the drawing; show it
Figur 1 schematisch im Schnitt ein Wasserauslaufmundstück für einen Wasser¬ hahn mit einem rechteckigen Innenquerschnitt;FIG. 1 schematically, in section, a water outlet mouthpiece for a tap with a rectangular internal cross section;
Figur 2 eine wasseraustrittseitige Ansicht des in Figur 1 dargestellten Wasser- auslaufmundstücks;FIG. 2 shows a water outlet-side view of the water outlet mouthpiece shown in FIG. 1;
Figur 3 die Bauteile des in Figur 1 dargestellten Wasserauslaufmundstück in isometrischer Darstellung und j eweils in einer Draufsicht.3 shows the components of the water outlet mouthpiece shown in Figure 1 in isometric view and in each case in a plan view.
In Figur 1 ist ein Wasserauslaufmundstück 1 in einem Wasserauslauf 2 mit rechtecki¬ gen Querschnitt eines Wasserhahns angeordnet. Ein mit einem nicht dargestellten Mischventil verbundener Wasserschlauch 3 ist wassereintrittsseitig in der Figur 1 von oben auf einen rohrförrnigen Eingangsstutzen 4 des Wasserauslaufinundstücks 1 ge¬ steckt. Der Eingangsstutzen 4 ist mittig in einer Stirnseite eines Gehäuses 5 des Was¬ serauslaufinundstücks 1 angeordnet. Das Gehäuse 5 ist ein quaderförmiger, im Quer- schnitt zum Wasserauslauf 2 komplementärer Hohlkörper, der in der Figur 1 nach un¬ ten geöffnet ist und als Trägerelement für die im Folgenden noch näher beschriebenen Bauteile eingesetzt wird.In FIG. 1, a water outlet mouthpiece 1 is arranged in a water outlet 2 with a rectangular cross-section of a water tap. One with a not shown Mixing valve connected water hose 3 is inserted on the water inlet side in Figure 1 from above on a rohrförrnigen input port 4 of the water outlet in piece 1 ge. The inlet nozzle 4 is arranged centrally in an end face of a housing 5 of the water outlet end piece 1. The housing 5 is a cuboid, in cross-section to the water outlet 2 complementary hollow body which is opened in the figure 1 un¬ th and is used as a support member for the components described in more detail below.
Der Eingangsstutzen 4 mündet in einen Vorraum 6 im Gehäuse 5. Der Vorraum 6 hat senkrecht zum Verlauf des Eingangsstutzens 4 einen rechteckigen Querschnitt, dessen Fläche wesentlich größer ist, als die Fläche des Innenquerschnitts des Wasserschlauchs 3. Die dem Eingangsstutzen 4 gegenüberliegende Seite des Vorraums 6 wird durch eine ebene Prallplatte 7 begrenzt, die parallel zur Stirnseite des Gehäuses 5 angeordnet ist und deren Außenquerschnitt mit dem Innenquerschnitt des Gehäuses 5 überein¬ stimmt.The entrance 4 opens into an anteroom 6 in the housing 5. The vestibule 6 has perpendicular to the course of the inlet nozzle 4 has a rectangular cross-section whose area is substantially larger than the surface of the inner cross section of the water hose 3. The inlet port 4 opposite side of the vestibule. 6 is bounded by a flat baffle plate 7, which is arranged parallel to the end face of the housing 5 and whose outer cross section coincides with the inner cross section of the housing 5 agrees.
Die Prallplatte 7 weist entlang ihrer Ränder Durchflussöffnungen 8 auf, durch die Wasser aus dem Vorraum 6 in Figur 1 nach unten in einen ersten Aufweitungsraum 9 fließen kann. Die Durchflussöffnungen 8 haben die Form von entlang ihrer jeweiligen Achse halbierten Zylindern, deren Schnittflächen mit dem jeweiligen Rand der Prall¬ platte 7 abschließen.The baffle plate 7 has flow openings 8 along its edges, through which water from the antechamber 6 in FIG. 1 can flow downwards into a first widening space 9. The through-flow openings 8 have the shape of cylinders which are halved along their respective axis and whose cut surfaces are flush with the respective edge of the baffle plate 7.
Der erste Aufweitungsraum 9 wird in Figur 1 unten begrenzt durch ein erstes ebenes Lochblech 10, welches parallel zum Prallplatte 7 angeordnet ist. In dem ersten Loch¬ blech 10 ist eine Vielzahl von durchgängigen Löchern 11 in Form von Zylinderboh¬ rungen angeordnet. Der Rand des ersten Lochblechs 10 geht in eine erste Hülse 12 über, die sich nach oben und nach und unten gleichermaßen erstreckt. Der Außenquer- schnitt der ersten Hülse 12 stimmt mit dem Innenquerschnitt des Gehäuses 5 überein.The first expansion space 9 is limited in Figure 1 below by a first flat perforated plate 10, which is arranged parallel to the baffle plate 7. In the first perforated plate 10, a multiplicity of through-holes 11 are arranged in the form of cylinder bores. The edge of the first perforated plate 10 merges into a first sleeve 12, which extends equally upwards and downwards and downwards. The outer cross section of the first sleeve 12 coincides with the inner cross section of the housing 5.
Die Löcher 11 des ersten Lochblechs 10 münden in einen zweiten Aufweitungsraum 13. Der zweite Aufweitungsraum 13 wird in der Figur unten durch ein zweites Loch¬ blech 14 begrenzt. 5 008881The holes 11 of the first perforated plate 10 open into a second widening space 13. The second widening space 13 is bounded in the figure below by a second perforated plate 14. 5 008881
Das zweite Lochblech 14 weist analog dem Lochblech 10 eine Vielzahl von durchgän¬ gigen Löchern 15 auf, die den Löchern 11 gleichen. Die Löcher 15 sind relativ zu den Löchern 11 versetzt angeordnet, so dass die Löcher 11, 15 jedes der beiden Lochble¬ che 10, 14 jeweils einem nichtgelochten Bereich des anderen Lochblechs 14, 10 ge- genüber angeordnet sind. Die Ränder des zweiten Lochblechs 14 gehen, analog zu den Rändern des Lochblechs 10, in eine zweite Hülse 16 über. Der Außenquerschnitt der zweiten Hülse 16 stimmt ebenfalls mit dem Innenquerschnitt des Gehäuses 5 überein.Analogously to the perforated plate 10, the second perforated plate 14 has a multiplicity of through holes 15, which resemble the holes 11. The holes 15 are arranged offset relative to the holes 11, so that the holes 11, 15 of each of the two perforated plates 10, 14 are each arranged opposite a non-perforated area of the other perforated plate 14, 10. The edges of the second perforated plate 14 go, analogous to the edges of the perforated plate 10, in a second sleeve 16 on. The outer cross section of the second sleeve 16 also coincides with the inner cross section of the housing 5.
Die Löcher 15 des zweiten Lochblechs 14 münden in einen dritten Aufweitungsraum 17, der wasseraustrittseitig in der Figur unten durch ein Formelement 18 begrenzt wird. Das Formelement 18 hat die Form eines Quaders, der formschlüssig in dem Ge¬ häuse 5 angeordnet ist, so dass eines seiner Flächenpaare parallel zu dem zweiten Lochblech 14 orientiert ist . In dem Formelement 18 sind drei identische Formkanäle 19 für drei Wasserstrahlen äquidistant nebeneinander angeordnet. Die Formkanäle 19 sind durchgängige Zylinderbohrungen, deren Zylinderachsen senkrecht zu den Loch- blechen 10,14 orientiert sind und die aus dem Wasserauslauf mundstück 1 heraus füh¬ ren.The holes 15 of the second perforated plate 14 open into a third widening space 17, which is bounded on the water outlet side in the figure below by a shaped element 18. The shaped element 18 has the shape of a cuboid, which is arranged in a form-fitting manner in the housing 5, so that one of its surface pairs is oriented parallel to the second perforated plate 14. In the form of element 18 three identical mold channels 19 are arranged for three water jets equidistant side by side. The molding channels 19 are continuous cylinder bores whose cylinder axes are oriented perpendicular to the perforated plates 10, 14 and which open out of the water outlet mouthpiece 1.
üi Figur 2 ist.die Wasseraustrittsseite des Wasserauslaufmundstücks 1 dargestellt. Durch die Formkanäle 19 hindurch ist die Lochplatte 14 mit einen Teil ihrer Löcher 15 zu sehen.FIG . 2 is FIG . the water outlet side of the water outlet mouthpiece 1 is shown. Through the molding channels 19 through the perforated plate 14 can be seen with a portion of their holes 15.
In Figur 3 rechts sind die Bauteile des Wasserauslaufmundstücks 1 isometrisch in einer Explosionszeichnung dargestellt.In Figure 3 right, the components of the water outlet mouthpiece 1 is shown isometrically in an exploded view.
In Figur 3 links sind das Gehäuse 5, die Prallplatte 7, das erste Lochblech 10, das zweite Lochblech 14 und das Formelement 18 jeweils von unten betrachtet gezeigt.In FIG. 3 on the left, the housing 5, the baffle plate 7, the first perforated plate 10, the second perforated plate 14 and the shaped element 18 are each viewed from below.
Wird die Wasserzufuhr mit dem nicht dargestellten Mischventil geöffnet, so fließt ein Wasserstrahl aus dem Wasserschlauch 3 durch den Eingangsstutzen 4 hindurch in den Vorraum 6.If the water supply is opened with the mixing valve, not shown, then a jet of water from the water hose 3 flows through the inlet port 4 into the vestibule 6.
In dem Vorraum 6 wird die Strömungsgeschwindigkeit des Wassers durch den Über¬ gang vom Wässerschlauch 3 zum Vorraum 6, der eine größere Querschnittfläche auf- 08881In the antechamber 6, the flow velocity of the water through the transition from the water hose 3 to the antechamber 6, which has a larger cross-sectional area. 08881
weist, reduziert und das Wasser zusätzlich an der Prallplatte 7 abgebremst. Das Wasser strömt mit reduzierter Geschwindigkeit durch die Durchlassöfmungen 8 hindurch in den ersten Auf weitungsraum 9, wo es sich in Richtung der Mitte des ersten Lochblechs 10 verteilt.points, reduced and additionally braked the water at the baffle plate 7. The water flows at reduced speed through the Durchlassöfmungen 8 through in the first widening space 9, where it is distributed in the direction of the center of the first perforated plate 10.
Anschließend strömt das Wasser durch die Löcher 11 des ersten Lochblechs 10 hin¬ durch in den zweiten Aufweitungsraum 13, wo die Strömungsgeschwindigkeit wieder reduziert wird und eine Aufweitung des ursprünglichen Wasserstrahls über den ge¬ samten Querschnitt des zweiten Lochblechs 14 erreicht wird.Subsequently, the water flows through the holes 11 of the first perforated plate 10 into the second expansion space 13, where the flow velocity is reduced again and an expansion of the original water jet over the entire cross section of the second perforated plate 14 is achieved.
Daraufhin strömt das Wasser durch die Löcher 15 des zweiten Lochblechs 14 hindurch in den dritten Aufweitungsraum 17, in dem der aufgewertete Wasserstrahl mittlerweile eine homogene laminare Strömung aufweist.Thereafter, the water flows through the holes 15 of the second perforated plate 14 into the third expansion space 17, in which the upgraded water jet now has a homogeneous laminar flow.
Der homogene laminare Wasserstrom strömt nun gleichmäßig den Formkanälen 19 des Formelementes 18 zu, mit denen jeweils ein Wasserstrahl geformt wird, so dass was- seraustrittseitigen drei homogene Wasserstrahlen aus dem Formelement 18 des Was- serauslaufmundstücks 1 austreten.The homogeneous laminar water flow now flows uniformly to the mold channels 19 of the mold element 18, with each of which a water jet is formed, so that three homogeneous water jets emerge from the mold element 18 of the water outlet mouthpiece 1 on the water outlet side.
Auf den Wasserschlauch 3 kann auch verzichtet werden, wenn das Wasser direkt durch den Wasserauslauf geleitet wird. Statt mit dem Wasserschlauch 3 wird in diesem Fall das Wasserauslaufmundstück 1 unmittelbar mit dem Wasserauslauf des Wasserhahns verbunden.On the water hose 3 can also be dispensed with, if the water is passed directly through the water outlet. Instead of the water hose 3, the water outlet mouthpiece 1 is connected directly to the water outlet of the faucet in this case.
Vorzugsweise wird das Wasserauslaufmundstück 1 an den Wasserschlauch 3 oder den Wasserauslauf gesteckt, geklipst oder geschraubt.Preferably, the water outlet mouthpiece 1 is plugged into the water hose 3 or the water outlet, clipped or screwed.
Es können auch weniger als drei oder mehr als drei Formkanäle in dem Formelement vorgesehen sein.It is also possible to provide fewer than three or more than three molding channels in the molding element.
Statt rechteckiger Querschnitte können auch andere Querschnitte, beispielsweise qua- dratische oder auch ovale Querschnitte vorgesehen sein. Statt der Lochbleche können auch Lochplatten aus einem anderen Material eingesetzt werden. Es können auch mehr oder weniger als zwei Lochbleche vorgesehen sein Instead of rectangular cross sections, other cross sections, for example square or also oval cross sections, may be provided. Instead of the perforated plates and perforated plates made of a different material can be used. It can also be provided more or less than two perforated plates

Claims

81 81
1. Wasserauslaufinυndstück für den Wasserauslauf eines Wasserhahns mit wenig¬ stens einem Aufweitungselement für das durchströmende Wasser,1. Wasserauslaufinυndstück for the water outlet of a faucet with wenig¬ least one expansion element for the water flowing through,
dadurch gekennzeichnet, dasscharacterized in that
wassereintrittsseitig in Wasserströmungsrichtung betrachtet vor dem wenigstens einen Aurweitungselement (10, 14) wenigstens ein Drosselelement (7) und wasseraustritts- seitig wenigstens ein Formelement (18) angeordnet sind.Water inlet side viewed in the direction of water flow in front of the at least one Aurweitungselement (10, 14) at least one throttle element (7) and water outlet side at least one mold element (18) are arranged.
2. Wasserauslauf mundstück nach Anspruch 1 , dadurch gekennzeichnet, dass die Elemente (7, 10, 14, 18) jeweils in einem Abstand zueinander angeordnet sind.2. Water spout mouthpiece according to claim 1, characterized in that the elements (7, 10, 14, 18) are each arranged at a distance from each other.
3. Wasserauslaufmundstück nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das wenigstens eine Drosselelement eine in einem Vorraum (6) des Wasserauslauf¬ mundstückes (1) im Wesentlichen senkrecht zur Wasserströmungsrichtung angeord¬ nete Prallplatte (7) ist.3. Water outlet nozzle according to claim 1 or 2, characterized in that the at least one throttle element in a pre-chamber (6) of the Wasserauslauf¬ mouthpiece (1) is arranged substantially perpendicular to the water flow direction angeord¬ designated baffle plate (7).
4. Wasserauslaufinundstück nach Anspruch 3, dadurch gekennzeichnet, dass die Prallplatte (7) entlang ihrer Ränder Wasserdurchfiussöffnungen (8) aufweist.4. Wasserauslaufinundstück according to claim 3, characterized in that the baffle plate (7) along their edges Wasserdurchfiussöffnungen (8).
5. Wasserauslaufinundstück nach einem der vorherigen Ansprüche, dadurch gekenn¬ zeichnet, dass das wenigstens eine Aufweitungselement eine Lochplatte, insbesondere ein Lochblech (10, 14), mit einer Vielzahl von insbesondere gleichmäßig über die Lochplatte angeordneten Löchern (11, 15) aufweist, die vor einem Auf wei¬ tungsraum (13, 17) angeordnet ist. 5. Wasserauslaufinundstück according to one of the preceding claims, characterized gekenn¬ characterized in that the at least one expansion element has a perforated plate, in particular a perforated plate (10, 14), with a plurality of particularly evenly over the perforated plate holes (11, 15), the is arranged in front of a mounting space (13, 17).
6. Wasserauslaufinundstück nach Anspruch 5, dadurch gekennzeichnet, dass wenig¬ stens zwei Lochplatten (10, 14) in Wasserströmungsrichtung betrachtet hinterein¬ ander im Wesentlichen parallel zueinander angeordnet sind, deren Löcher (11, 15) ver¬ setzt angeordnet sind.6. Wasserauslaufinundstück according to claim 5, characterized in that wenig¬ least two perforated plates (10, 14) viewed in water flow direction behind one another are arranged substantially parallel to each other, the holes (11, 15) ver¬ sets are arranged.
7. Wasserauslauf mundstück nach einem der vorherigen Ansprüche, dadurch gekenn¬ zeichnet, dass das Formelement (18) eine Vielzahl von von Wasser durchströmba¬ ren Formkanälen (19) aufweist.7. Water spout mouthpiece according to one of the preceding claims, characterized gekenn¬ characterized in that the mold element (18) has a plurality of water durchströmba¬ ren form channels (19).
8. Wasserauslaufmundstück nach einem der vorherigen Ansprüche, dadurch gekenn¬ zeichnet, dass das Formelement (18) ein Quader mit durchgängigen Zylinderboh¬ rungen (19) ist.8. Water outlet nozzle according to one of the preceding claims, characterized gekenn¬ characterized in that the shaped element (18) is a cuboid with continuous Zylinderboh¬ ments (19).
9. Wasserauslaufinundstück nach einem der vorherigen Ansprüche, dadurch gekenn- zeichnet, dass das Wasserauslaufinundstück (1) durchgängig einen im Wesentli¬ chen zu dem Formelement (18) komplementären Innenquerschnitt hat.9. Water outlet nozzle according to one of the preceding claims, characterized in that the water outlet nozzle (1) has a substantially Chen to the mold element (18) complementary Innenquerschnitt.
10. Wasserauslaufinundstück nach einem der vorherigen Ansprüche, dadurch gekenn¬ zeichnet, dass das wenigstens eine Drosselelement (7), das wenigstens eine Auf- Weitungselement (10, 14) und das Formelement (18) an oder in einem mit dem Was¬ serauslauf (2) verbindbaren, insbesondere einklipsbaren, Trägerelement, insbesondere einem Gehäuse (5), angeordnet sind.10. Wasserauslaufinundstück according to any one of the preceding claims, characterized gekenn¬ characterized in that the at least one throttle element (7), the at least one Aufweitungselement (10, 14) and the mold element (18) on or in one with the Was¬ serauslauf ( 2) connectable, in particular clipped, carrier element, in particular a housing (5) are arranged.
11. Wasserauslaufinundstück nach Anspruch 10, dadurch gekennzeichnet, dass das Trägerelement (5) einen Eingangsstutzen (4) zur Verbindung mit einem Schlauch11. Wasserauslaufinundstück according to claim 10, characterized in that the carrier element (5) has an inlet connection (4) for connection to a hose
(3) aufweist.(3).
12. Wasserauslaufinundstück nach einem der vorherigen Ansprüche, dadurch gekenn¬ zeichnet, dass ein Drosselelement (7), zwei Aufweitungselemente (10, 14) und ein Formelement (18) in Wasserströmungsrichtung hintereinander angeordnet sind. 12. Wasserauslaufinundstück according to any one of the preceding claims, characterized gekenn¬ characterized in that a throttle element (7), two expansion elements (10, 14) and a mold element (18) are arranged one behind the other in the water flow direction.
EP05776336.9A 2004-08-19 2005-08-16 Nozzle for the water outlet of a faucet Active EP1797250B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200410040082 DE102004040082A1 (en) 2004-08-19 2004-08-19 Water outlet mouthpiece for the water outlet of a faucet
PCT/EP2005/008881 WO2006018273A1 (en) 2004-08-19 2005-08-16 Nozzle for the water outlet of a faucet

Publications (2)

Publication Number Publication Date
EP1797250A1 true EP1797250A1 (en) 2007-06-20
EP1797250B1 EP1797250B1 (en) 2014-10-08

Family

ID=35285476

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05776336.9A Active EP1797250B1 (en) 2004-08-19 2005-08-16 Nozzle for the water outlet of a faucet

Country Status (4)

Country Link
EP (1) EP1797250B1 (en)
DE (1) DE102004040082A1 (en)
ES (1) ES2524245T3 (en)
WO (1) WO2006018273A1 (en)

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US9157219B2 (en) 2010-11-18 2015-10-13 Rod Gibson Undermount sink
DE102012017580A1 (en) 2012-09-06 2014-03-27 Hansa Metallwerke Ag plumbing fixture
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Also Published As

Publication number Publication date
ES2524245T3 (en) 2014-12-04
EP1797250B1 (en) 2014-10-08
WO2006018273A1 (en) 2006-02-23
DE102004040082A1 (en) 2006-02-23

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