EP1797250B1 - Nozzle for the water outlet of a faucet - Google Patents

Nozzle for the water outlet of a faucet Download PDF

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Publication number
EP1797250B1
EP1797250B1 EP05776336.9A EP05776336A EP1797250B1 EP 1797250 B1 EP1797250 B1 EP 1797250B1 EP 05776336 A EP05776336 A EP 05776336A EP 1797250 B1 EP1797250 B1 EP 1797250B1
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EP
European Patent Office
Prior art keywords
water outlet
water
outlet nozzle
nozzle according
expansion
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EP05776336.9A
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German (de)
French (fr)
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EP1797250A1 (en
Inventor
Michael Obst
Horst Kunkel
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Hansa Armaturen GmbH
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Hansa Metallwerke AG
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Publication of EP1797250A1 publication Critical patent/EP1797250A1/en
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    • 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 faucet according to the preamble of patent claim 1.
  • 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 cylindrical 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 back to a full, the water outlet mouthpiece leaving mixed jet.
  • Water outlet mouthpieces of the type mentioned are from the DE 102 46 333 A1 and the DE 100 27 986 A1 known. These each have successively arranged, spaced-apart water-carrying elements, which throttle the water flow, expand and shape and each have approximately the same cross-sectional area.
  • the object of the invention is to provide a device of the type mentioned above in such a way that the water jet without the use of an air mixer or aerator water outlet side evenly distributed to a plurality of outlet openings to obtain a homogeneous spray pattern of multiple water jets.
  • the water outlet mouthpiece comprises a carrier element which can be connected to the water outlet and has an antechamber.
  • the flow rate of the incoming water jet is reduced with the throttle element to obtain a laminar flow.
  • the water jet is then widened evenly with the at least one expansion elements and further slowed down.
  • the exiting water jet is formed by the mold element. Since the water flows with reduced flow rate almost turbulence-free through the water outlet mouthpiece, and beyond no air supply is provided, takes place in the water outlet mouthpiece no mixing with air.
  • the throttle element, the expansion element and the mold element are arranged on or in the carrier element.
  • the carrier element has an inlet nozzle, whose cross section is substantially smaller than the cross section of the vestibule.
  • a water pipe between a mixer valve or the like and the water outlet nozzle can be used with a relatively small internal cross-section, which takes a correspondingly smaller amount of water.
  • a relatively quick water exchange in the water pipe can be achieved, 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 in 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.
  • 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 be distributed without turbulence.
  • the at least one throttle element is a baffle arranged in the antechamber of the water outlet mouthpiece substantially perpendicular to the water flow direction.
  • the baffle plate has flow openings along its edges.
  • a water outlet with a smaller inner cross-section with which a faster water supply is made possible by a mixing valve to the water outlet nozzle.
  • the at least one expansion element as a perforated plate, in particular as a perforated plate, with a plurality of particularly evenly over the respective perforated plate arranged holes can be realized, which is arranged in front of a respective expansion 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, after flowing through the holes of one of the perforated plates, is decelerated at the respective non-perforated region of the next perforated plate viewed in the direction of flow, and thus the flow rate is further reduced to achieve a calming of the water flow and an even better distribution of the water.
  • the molding element has a plurality of through-flow of the molding channels, to which the water is split, 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 arranged along its long sides a plurality of cylinder bores can be, so that a composite of a plurality of individual shape jets water curtain can be generated.
  • the water outlet mouthpiece has a substantially an outer cross-section of the same formula elements 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 support element in particular a housing, can be clipped.
  • the inlet connection is designed for connection to a hose, with which the water outlet nozzle can be connected to a water hose in the interior of the fitting leading to the mixing valve.
  • the fitting itself does not come into contact with water. In this way it is prevented that deposited in the valve lime or the interior of the valve corroded.
  • FIG. 1 a water outlet nozzle 1 is arranged in a water outlet 2 with a rectangular cross section of a faucet.
  • Mixing valve connected water hose 3 is water inlet side in the FIG. 1 from above on a tubular inlet port 4 of the water outlet mouthpiece 1 inserted.
  • the inlet nozzle 4 is arranged centrally in a front side of a housing 5 of the water outlet mouthpiece 1.
  • the housing 5 is a cuboid, in cross-section to the water outlet 2 complementary hollow body, in the FIG. 1 is opened down and 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.
  • the baffle plate 7 has flow openings 8 along its edges, through which water from the antechamber 6 in FIG. 1 can flow down into a first expansion space 9.
  • the flow openings 8 have the shape of halves along their respective axis cylinders whose cut surfaces terminate with the respective edge of the baffle plate 7.
  • the first expansion space 9 is in FIG. 1 bounded below by a first flat perforated plate 10, which is arranged parallel to the baffle plate 7.
  • a plurality 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 expansion space 13.
  • the second expansion space 13 is limited in the figure below by a second perforated plate 14.
  • the second perforated plate 14, analogous to the perforated plate 10, 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 a non-perforated region of the other perforated plate 14, 10 are arranged opposite.
  • 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 mold 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 lead out of the water outlet mouthpiece 1 out.
  • FIG. 2 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.
  • FIG. 3 on the right, the components of the water outlet mouthpiece 1 are shown isometrically in an exploded view.
  • the housing 5, the baffle plate 7, the first perforated plate 10, the second perforated plate 14 and the mold element 18 are each viewed from below.
  • the water flows at reduced speed through the passage openings 8 into the first widening space 9, where it distributes in the direction of the center of the first perforated plate 10.
  • 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 evenly to the mold channels 19 of the mold element 18, with each of which a jet of water is formed, so that water outlet side three homogeneous water jets from the mold element 18 of the water outlet mouthpiece 1 emerge.
  • 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, such as square or 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

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  • 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)

Description

Die Erfindung betrifft ein Wasserauslaufmundstück für den Wasserauslauf eines Wasserhahns nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a water outlet mouthpiece for the water outlet of a faucet according to the preamble of patent claim 1.

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 Wasserauslaufmundstück austritt.It is known to use in water outlet mouthpieces of taps aerator or air mixer with which flowing water is mixed with air, so that a single, air-enriched water flow exits the water outlet nozzle.

Aus der CH 439 143 ist ein Wasserauslaufmundstück insbesondere für ein Haushaltswasserrohr bekannt, bei dem wassereintrittsseitig ein Filterelement angeordnet ist. Hinter diesem Filterelement sind zwei Düsenplatten vorgesehen, die jeweils zylinderförmige Durchtrittsöffnungen 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 verlassenden Mischstrahl zusammengefasst werden.From the 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 cylindrical 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 back to a full, the water outlet mouthpiece leaving mixed jet.

Wasserauslaufmundstücke der eingangs genannten Art sind aus der DE 102 46 333 A1 und der DE 100 27 986 A1 bekannt geworden. Diese weisen jeweils hintereinander angeordnete, voneinander beabstandete wasserdurchflossene Elemente auf, welche den Wasserstrom drosseln, aufweiten und formen und jeweils etwa gleiche Querschnittsfläche haben.Water outlet mouthpieces of the type mentioned are from the DE 102 46 333 A1 and the DE 100 27 986 A1 known. These each have successively arranged, spaced-apart water-carrying elements, which throttle the water flow, expand and shape and each have approximately the same cross-sectional area.

Aufgabe der Erfindung ist es, eine Vorrichtung der Eingangs genannten Art so auszugestalten, dass der Wasserstrahl ohne Verwendung eines Luftmischers oder Luftsprudlers wasseraustrittsseitig gleichmäßig auf mehrere Austrittsöffnungen verteilbar ist, um ein homogenes Strahlbild aus mehreren Wasserstrahlen zu erhalten.The object of the invention is to provide a device of the type mentioned above in such a way that the water jet without the use of an air mixer or aerator water outlet side evenly distributed to a plurality of outlet openings to obtain a homogeneous spray pattern of multiple water jets.

Diese Aufgabe wird erfindungsgemäß durch ein Wasserauslaufmundstück mit den im Patentanspruch 1 angegebenen Merkmalen gelöst.This object is achieved by a water outlet nozzle with the features specified in claim 1.

Wie im Stand der Technik an sich bekannt, umfaßt das Wasserauslaufmundstück ein Trägerelement, das mit dem Wasserauslauf verbindbar ist und einen Vorraum aufweist. Dabei wird die Strömungsgeschwindigkeit des eintretenden Wasserstrahls mit dem Drosselelement reduziert, um eine laminare Strömung zu erhalten. Der Wasserstrahl wird daraufhin mit dem wenigstens einen Aufweitungselemente gleichmäßig aufgeweitet und noch weiter verlangsamt. Anschließend wird der austretende Wasserstrahl durch das Formelement geformt. Da das Wasser mit reduzierter Strömungsgeschwindigkeit nahezu turbulenzfrei durch das Wasserauslaufmundstück strömt, und darüber hinaus auch keine Luftzufuhr vorgesehen ist, findet in dem Wasserauslaufmundstück keine Vermischung mit Luft statt. Das Drosselelement, das Aufweitungselement und das Formelement sind dabei an oder in dem Trägerelement angeordnet.As known per se in the prior art, the water outlet mouthpiece comprises a carrier element which can be connected to the water outlet and has an antechamber. In this case, the flow rate of the incoming water jet is reduced with the throttle element to obtain a laminar flow. The water jet is then widened evenly with the at least one expansion elements and further slowed down. Subsequently, the exiting water jet is formed by the mold element. Since the water flows with reduced flow rate almost turbulence-free through the water outlet mouthpiece, and beyond no air supply is provided, takes place in the water outlet mouthpiece no mixing with air. The throttle element, the expansion element and the mold element are arranged on or in the carrier element.

Erfindungsgemäß weist das Trägerelement einen Eingangsstutzen auf, dessen Querschnitt wesentlich kleiner als der Querschnitt des Vorraum ist. Von großem Vorteil ist dabei, 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 ein verhältnismäßig schneller Wasseraustausch in der Wasserleitung erreichbar, 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 Mischerventilen 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.According to the invention, the carrier element has an inlet nozzle, whose cross section is substantially smaller than the cross section of the vestibule. Of great advantage is that a water pipe between a mixer valve or the like and the water outlet nozzle 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 can be achieved, 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 in 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 Verfügung 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 be distributed 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 im Vorraum des Wasserauslaufmundstücks im Wesentlichen senkrecht zur Wasserströmungsrichtung angeordnete Prallplatte ist.In order to reduce the flow velocity of the water easily and without great technical effort, provides a further advantageous embodiment that the at least one throttle element is a baffle arranged in the antechamber of the water outlet mouthpiece substantially perpendicular to the water flow direction.

Damit das Wasser weiterfließen kann und um den Wasserstrahl bereits im Drosselelement aufzuweiten, weist bei einer weiteren vorteilhaften Ausführungsform die Prallplatte entlang ihrer Ränder Durchflussöffnungen auf. Außerdem ist durch die Aufweitung ab dem Drosselelement ein Wasserauslauf mit geringerem Innenquerschnitt einsetzbar, mit dem eine schnellere Wasserzuführung von einem Mischventil zum Wasserauslaufmundstück ermöglicht wird.So that the water can continue to flow and already widen the water jet in the throttle element, in a further advantageous embodiment, the baffle plate has flow openings along its edges. In addition, can be used by the expansion of the throttle element, a water outlet with a smaller inner cross-section, with which a faster water supply is made possible by a mixing valve to the water outlet nozzle.

Besonders einfach und ohne großen technischen Aufwand ist bei einer weiteren vorteilhaften 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.Particularly simple and without great technical effort in a further advantageous embodiment, the at least one expansion element as a perforated plate, in particular as a perforated plate, with a plurality of particularly evenly over the respective perforated plate arranged holes can be realized, which is arranged in front of a respective expansion space.

Zweckmäßigerweise sind bei einer weiteren vorteilhaften Ausführungsform wenigstens zwei Lochplatten in Wasserströmungsrichtung betrachtet hintereinander im Wesentlichen parallel zueinander angeordnet, deren Löcher versetzt angeordnet sind, so dass das Wasser nach Durchströmen der Löcher einer der Lochplatten an dem jeweiligen nichtgelochten Bereich der in Strömungsrichtung betrachtet nächsten Lochplatte abgebremst, und so die Strömungsgeschwindigkeit weiter reduziert wird, um eine Beruhigung des Wasserstroms und eine noch bessere Verteilung des Wassers zu erreichen.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, after flowing through the holes of one of the perforated plates, is decelerated at the respective non-perforated region of the next perforated plate viewed in the direction of flow, and thus the flow rate is further reduced to achieve a calming of the water flow and an even better distribution of the water.

Bei einer besonders vorteilhaften Ausführungsform weist das Formelement eine Vielzahl 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 through-flow of the molding channels, to which the water is split, 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 Vorteil, dass entlang seiner langen Seiten eine Vielzahl von Zylinderbohrungen angeordnet werden können, so dass ein aus einer Vielzahl von einzelnen Formstrahlen zusammengesetzter 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 arranged along its long sides a plurality of cylinder bores can be, so that a composite of a plurality of individual shape jets water curtain can be generated.

Bei einer besonders vorteilhaften Ausführungsform weist das Wasserauslaufmundstück durchgängig einen im Wesentlichen einem Aussenquerschnitt das Formelements gleichenden Innenquerschnitt auf, so dass eine gleichmäßige Aufweitung des Wasserstrahls über den gesamten Strömungsbereich im Wasserauslaufmundstück bereits vor dem Formelement ermöglicht wird.In a particularly advantageous embodiment, the water outlet mouthpiece has a substantially an outer cross-section of the same formula elements 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 auszutauschen, ist bei einer weiteren vorteilhaften Ausführungsform das Trägerelement, insbesondere ein Gehäuse, einklipsbar.To connect the water outlet mouthpiece easily and without great technical effort with the water outlet or exchange for cleaning purposes, in a further advantageous embodiment, the support element, in particular a housing, can be clipped.

Um eine Erwärmung der Armaturen zu verhindern, sieht eine weitere vorteilhafte Ausführungsform vor, dass der Eingangsstutzen zur Verbindung mit einem Schlauch ausgebildet ist, mit dem das Wasserauslaufmundstück an einen Wasserschlauch im Inneren der Armatur anschließbar ist, der zum Mischventil führt. Die Armatur selbst kommt so nicht mit Wasser in Berührung. Auf diese Weise wird verhindert, dass sich in der Armatur Kalk abgesetzt beziehungsweise der Innenbereich der Armatur korrodiert.In order to prevent heating of the fittings, a further advantageous embodiment provides that the inlet connection is designed for connection to a hose, with which the water outlet nozzle can be connected to a water hose in the interior of the fitting leading to the mixing valve. The fitting itself does not come into contact with water. In this way it is prevented that deposited in the valve lime or the interior of the valve corroded.

Besonders vorteilhaft ist es, wenn in dem Wasserauslaufmundstück ein Drosselelement, zwei Aufweitungselemente und ein Formelement in Wasserströmungsrichtung hintereinander angeordnet sind. Auf diese Weise wird mit wenigen Bauteilen, die darüber 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 simply constructed, achieved without great technical effort optimal 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 zeigen

Figur 1
schematisch im Schnitt ein Wasserauslaufmundstück für einen Wasserhahn mit einem rechteckigen Innenquerschnitt;
Figur 2
eine wasseraustrittseitige Ansicht des in Figur 1 dargestellten Wasserauslaufmundstücks;
Figur 3
die Bauteile des in Figur 1 dargestellten Wasserauslaufmundstück in isometrischer Darstellung und jeweils in einer Draufsicht.
An embodiment of the invention will be explained in more detail with reference to the drawing; show it
FIG. 1
schematically in section a water outlet mouthpiece for a faucet with a rectangular inner cross section;
FIG. 2
a water outlet side view of the in FIG. 1 illustrated water outlet mouthpiece;
FIG. 3
the components of in FIG. 1 illustrated water outlet mouthpiece in isometric view and in each case in a plan view.

In Figur 1 ist ein Wasserauslaufmundstück 1 in einem Wasserauslauf 2 mit rechteckigen Querschnitt eines Wasserhahns angeordnet. Ein mit einem nicht dargestellten Mischventil verbundener Wasserschlauch 3 ist wassereintrittsseitig in der Figur 1 von oben auf einen rohrförmigen Eingangsstutzen 4 des Wasserauslaufmundstücks 1 gesteckt. Der Eingangsstutzen 4 ist mittig in einer Stirnseite eines Gehäuses 5 des Wasserauslaufmundstücks 1 angeordnet. Das Gehäuse 5 ist ein quaderförmiger, im Querschnitt zum Wasserauslauf 2 komplementärer Hohlkörper, der in der Figur 1 nach unten geöffnet ist und als Trägerelement für die im Folgenden noch näher beschriebenen Bauteile eingesetzt wird.In FIG. 1 a water outlet nozzle 1 is arranged in a water outlet 2 with a rectangular cross section of a faucet. One with a not shown Mixing valve connected water hose 3 is water inlet side in the FIG. 1 from above on a tubular inlet port 4 of the water outlet mouthpiece 1 inserted. The inlet nozzle 4 is arranged centrally in a front side of a housing 5 of the water outlet mouthpiece 1. The housing 5 is a cuboid, in cross-section to the water outlet 2 complementary hollow body, in the FIG. 1 is opened down and 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 übereinstimmt.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.

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 Prallplatte 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 down into a first expansion space 9. The flow openings 8 have the shape of halves along their respective axis cylinders whose cut surfaces terminate 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 Lochblech 10 ist eine Vielzahl von durchgängigen Löchern 11 in Form von Zylinderbohrungen 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 Außenquerschnitt der ersten Hülse 12 stimmt mit dem Innenquerschnitt des Gehäuses 5 überein.The first expansion space 9 is in FIG. 1 bounded below by a first flat perforated plate 10, which is arranged parallel to the baffle plate 7. In the first perforated plate 10, a plurality 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 Lochblech 14 begrenzt.The holes 11 of the first perforated plate 10 open into a second expansion space 13. The second expansion space 13 is limited in the figure below by a second perforated plate 14.

Das zweite Lochblech 14 weist analog dem Lochblech 10 eine Vielzahl von durchgängigen 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 Lochbleche 10, 14 jeweils einem nichtgelochten Bereich des anderen Lochblechs 14, 10 gegenüber 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.The second perforated plate 14, analogous to the perforated plate 10, 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 a non-perforated region of the other perforated plate 14, 10 are arranged opposite. 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 Gehäuse 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 Lochblechen 10,14 orientiert sind und die aus dem Wasserauslaufmundstück 1 heraus führen.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 mold 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 lead out of the water outlet mouthpiece 1 out.

In 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.In FIG. 2 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 FIG. 3 on the right, the components of the water outlet mouthpiece 1 are 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 mold 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 Übergang vom Wässerschlauch 3 zum Vorraum 6, der eine größere Querschnittfläche aufweist, reduziert und das Wasser zusätzlich an der Prallplatte 7 abgebremst. Das Wasser strömt mit reduzierter Geschwindigkeit durch die Durchlassöffnungen 8 hindurch in den ersten Aufweitungsraum 9, wo es sich in Richtung der Mitte des ersten Lochblechs 10 verteilt.In 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, reduced and braked the water in addition to the baffle plate 7. The water flows at reduced speed through the passage openings 8 into the first widening space 9, where it distributes in the direction of the center of the first perforated plate 10.

Anschließend strömt das Wasser durch die Löcher 11 des ersten Lochblechs 10 hindurch in den zweiten Aufweitungsraum 13, wo die Strömungsgeschwindigkeit wieder reduziert wird und eine Aufweitung des ursprünglichen Wasserstrahls über den gesamten 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 wasseraustrittseitigen drei homogene Wasserstrahlen aus dem Formelement 18 des Wasserauslaufmundstücks 1 austreten.The homogeneous laminar water flow now flows evenly to the mold channels 19 of the mold element 18, with each of which a jet of water is formed, so that water outlet side three homogeneous water jets from the mold element 18 of the water outlet mouthpiece 1 emerge.

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 quadratische oder auch ovale Querschnitte vorgesehen sein.Instead of rectangular cross sections, other cross sections, such as square or oval cross sections may be provided.

Statt der Lochbleche können auch Lochplatten aus einem anderen Material eingesetzt werden. Es können auch mehr oder weniger als zwei Lochbleche vorgesehen seinInstead 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 (15)

  1. A water outlet nozzle for the water outlet of a tap having
    a) a support element (5) which can be connected to the water outlet (2) and has a pre-chamber (6) ;
    b) at least one restrictor element (7) arranged downstream of the pre-chamber (6) in the flow direction of the water;
    c) at least one expansion element (10, 14) arranged downstream of the restrictor element (7) in the flow direction;
    d) at least one shaping element (18) arranged on the water-discharge side;
    wherein
    e) the restrictor element (7), the expansion element (10, 14) and the shaping element (18) are arranged on or in the support element (5)
    characterised in that
    f) the support element (5) has an inlet fitting (4) whereof the cross-section is substantially smaller than the cross-section of the pre-chamber (6).
  2. A water outlet nozzle according to Claim 1, characterised in that the elements (7, 10, 14, 18) are each arranged at a spacing from one another.
  3. A water outlet nozzle according to Claim 1 or 2, characterised in that the at least one restrictor element is a baffle plate (7) arranged substantially perpendicular to the water flow direction in the pre-chamber (6) of the water outlet nozzle (1).
  4. A water outlet nozzle according to Claim 3, characterised in that the baffle plate (7) has water through-flow openings (8) along its edges.
  5. A water outlet nozzle according to one of the preceding claims, characterised in that the at least one expansion element has a perforated plate with a plurality of perforations (11, 15) arranged over the perforated plate, which is arranged upstream of an expansion chamber (13, 17).
  6. A water outlet nozzle according to Claim 5, characterised in that the perforated plate is a perforated diaphragm (10, 14).
  7. A water outlet nozzle according to Claim 5 or 6, characterised in that the plurality of perforations (11, 15) is arranged uniformly.
  8. A water outlet nozzle according to one of Claims 5 to 7, characterised in that at least two perforated plates (10, 14) are arranged substantially parallel to one another downstream of one another as seen in the water flow direction, their perforations (11, 15) being arranged offset.
  9. A water outlet nozzle according to one of the preceding claims, characterised in that the shaping element (18) has a plurality of shaping channels (19) through which water can flow.
  10. A water outlet nozzle according to one of the preceding claims, characterised in that the shaping element (18) is a cuboid with continuous cylindrical bores (19).
  11. A water outlet nozzle according to one of the preceding claims, characterised in that the water outlet nozzle (1) has a continuous internal cross-section which is substantially complementary to the shaping element (18).
  12. A water outlet nozzle according to one of the preceding claims, characterised in that the support element (5) is a clip-in element.
  13. A water outlet nozzle according to one of the preceding claims, characterised in that the support element is a housing (5).
  14. A water outlet nozzle according to one of the preceding claims, characterised in that the inlet fitting (4) is designed for connection to a hose (3).
  15. A water outlet nozzle according to one of the preceding claims, characterised in that a restrictor element (7), two expansion elements (10, 14) and a shaping element (18) are arranged downstream of one another 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 EP1797250A1 (en) 2007-06-20
EP1797250B1 true 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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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006046245B4 (en) * 2006-09-28 2014-06-12 Neoperl Gmbh Sanitary outlet fitting with a jet regulator
DE102006062986B3 (en) * 2006-09-28 2015-09-10 Neoperl Gmbh Sanitary outlet fitting with a jet regulator
DE102006062983B3 (en) * 2006-09-28 2015-02-05 Neoperl Gmbh aerator
DE102007010133B3 (en) * 2007-02-28 2008-07-10 Neoperl Gmbh Jet shaper for water outlet of sanitary outlet fitting has through channel with inclined deflection element on both long sides of channel in form of cross-sectional constriction with baffle surface
DE102007022896B4 (en) * 2007-05-14 2009-03-19 Grohe Ag Strahlbildnereinrichtung
WO2012068415A2 (en) 2010-11-18 2012-05-24 Rod Gibson Undermount sink
DE102012017580A1 (en) 2012-09-06 2014-03-27 Hansa Metallwerke Ag plumbing fixture
CN105002957B (en) * 2015-08-06 2016-08-24 胡良娟 A kind of splashproof hand basin equipment
DE202016002719U1 (en) * 2016-04-27 2017-07-28 Neoperl Gmbh Sanitary insert unit
DE202020101136U1 (en) * 2020-03-02 2021-06-04 Neoperl Gmbh Sanitary outlet unit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH439143A (en) 1966-06-13 1967-06-30 Karrer Weber & Cie Ag Water outlet mouthpiece
CH540065A (en) * 1972-09-25 1973-08-15 Stanadyne Inc spray nozzle
US5669417A (en) * 1996-08-30 1997-09-23 Lian-Jie; Kuo Water-guide device in a tap
DE29704286U1 (en) * 1996-10-11 1997-04-30 Dieter Wildfang GmbH, 79379 Müllheim Sanitary outlet device
DE10027986B4 (en) * 2000-06-06 2007-02-22 Neoperl Gmbh Sanitary installation part
DE10246333B4 (en) * 2002-10-04 2008-06-19 Neoperl Gmbh aerator
DE20317910U1 (en) * 2003-11-19 2004-02-12 Aloys F. Dornbracht Gmbh & Co. Kg Laminar flow guide insert for tap water spout consists of two U-shaped plastic profiles placed end-to-end and with guide vanes

Also Published As

Publication number Publication date
DE102004040082A1 (en) 2006-02-23
WO2006018273A1 (en) 2006-02-23
ES2524245T3 (en) 2014-12-04
EP1797250A1 (en) 2007-06-20

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