EP2195492B1 - Jet regulator - Google Patents

Jet regulator Download PDF

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Publication number
EP2195492B1
EP2195492B1 EP08837872.4A EP08837872A EP2195492B1 EP 2195492 B1 EP2195492 B1 EP 2195492B1 EP 08837872 A EP08837872 A EP 08837872A EP 2195492 B1 EP2195492 B1 EP 2195492B1
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EP
European Patent Office
Prior art keywords
jet regulator
jet
flow
regulator according
guiding walls
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EP08837872.4A
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German (de)
French (fr)
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EP2195492A1 (en
Inventor
Georg STÄDTLER
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Neoperl GmbH
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Neoperl GmbH
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Priority to EP13002081.1A priority Critical patent/EP2631377B1/en
Publication of EP2195492A1 publication Critical patent/EP2195492A1/en
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Publication of EP2195492B1 publication Critical patent/EP2195492B1/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
    • 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 jet regulator, which has a distributor surface with a multiplicity of throughflow holes for distributing the water jet, wherein the distributor surface is followed by a baffle surface arranged in a central region of the jet cross section and subsequently a plurality of flow guide walls oriented in the flow direction.
  • Jet regulators of the type mentioned are usually produced as Einsetzpatrone that can be mounted in the water outlet of a sanitary outlet fitting to form a homogeneous and non-squirting water jet.
  • Such jet regulators are produced either as ventilated jet regulators or as laminar, ie non-ventilated functional units.
  • the previously known aerators usually have a circular cross-section, but flat fan controllers are increasingly being developed and manufactured, which are intended to produce a flat, band-shaped jet of water that is dimensionally stable over as long a path as possible. Due to the non-circular design, no external thread is usually possible on the outer circumference of such flat jet regulators in order to be able to secure the jet regulator in the region of the water outlet of an outlet fitting.
  • WO 98/16694 From the WO 98/16694 is already a jet regulator with a designed as a perforated plate jet disintegration device, which is connected downstream with a distance forming the outlet side end face of the jet regulator Strahlregulier observed.
  • This Strahlregulier observed is also formed as a perforated plate, which has at least in at least one formed as a perforated field portion of their transverse to the flow direction plate plane several flow holes whose adjacent flow holes from each other and extending approximately in the flow direction guide walls each have a wall thickness, which is a fraction of the clear hole diameter one of the guide walls limited flow hole amounts.
  • the out WO 98/16694 However, previously known jet regulator always has a circular cross-section, as is customary in traditional jet regulators.
  • a sanitary tub filling with a water outlet housing in which a beam shaper is provided for a wide-area water outlet jet.
  • the water outlet housing comprises an elongate inlet channel, which runs essentially perpendicular to the water outlet jet and tapers like a funnel in the flow direction and is delimited by an intermediate wall.
  • the intermediate wall has a plurality of flow-through holes, via which the inlet channel is connected to a substantially parallel to this elongated distributor space.
  • the distributor space has at least one water outlet channel leading to the water outlet.
  • the housing is formed as a correspondingly shaped, made of two identical, mirror-inverted plastic injection molded parts, which have a circumferentially molded elastic sealing and clamping area on the water outlet side.
  • the jet regulator housing In order to divide the flow cross-section of the water flowing through fan-like, are inside the jet regulator housing only several guide ribs provided.
  • the solution to this problem according to the invention consists in the jet regulator of the type mentioned in particular in that the flow guide walls taper at least in an outflow-side portion in the flow direction.
  • the jet regulator according to the invention is distinguished by a homogeneous and non-spraying jet pattern.
  • the jet regulator according to the invention has a distributor surface with a multiplicity of throughflow holes.
  • This distributor surface is intended for distributing the water jet. Since the distributor surface only distributes the water jet, but does not oppose it with excessive resistance, even with comparatively high inflow-side pressure, no large holding forces build up which have to be transmitted to the wall of the dashboard.
  • the distributor surface is connected downstream of a baffle arranged in a central region of the beam cross-section, which additionally deflects the water jet from the central region into the edge regions of the clear flow cross-section.
  • the baffle are in turn downstream flow guide walls in the flow direction, which form the water flowing through to a homogeneous expiring jet of water and equalize.
  • the inventive Jet regulator is characterized by a homogeneous spray pattern. Since the components of the jet regulator according to the invention oppose the water jet no excessive resistance, the effort required to secure the jet regulator according to the invention in the fitting housing can be significantly reduced.
  • the jet regulator in a flow guide with a flow area which is constant on the inflow side and in particular rectangular.
  • the jet regulator is immediately downstream of a cross-sectional widening of the flow guide in the flow direction. Since the distributor surface can also absorb the high water pressure of a water jet, which may also be concentrated on a comparatively small jet cross-section, such a concentrated water jet can also be distributed over a comparatively large outlet cross-section with the aid of the jet regulator according to the invention.
  • a homogeneous spray pattern is favored when the flow guide walls are arranged approximately parallel to each other.
  • a good flow guidance in the region of the flow guide walls is favored if at least two opposite circumferential sides of the baffle surface and / or the inflow-side narrow edges of the flow guide walls projecting beyond the baffle surface have a frustoconical side contour.
  • the flow guide walls connected to each other via at least one, preferably central and in particular extending through the longitudinal center axes of the flow guide walls connecting wall are.
  • a homogeneous and non-spraying jet pattern is favored, even if the connecting walls, at least in a downstream part, taper in the flow direction and / or if the connection and / or flow guide walls are rounded at their downstream narrow edges.
  • connection and flow guide walls and the baffle are arranged in the sleeve interior of a sleeve-shaped jet regulator housing and preferably formed integrally.
  • a preferred embodiment according to the invention provides that the distributor surface is designed as an attachable to the jet regulator housing perforated plate.
  • a frictional attachment of the jet regulator according to the invention offers the additional advantage that in this way a seal between the jet regulator and the valve inner circumference can be achieved. Since no high inflow-side pressures build up in the jet regulator according to the invention, it is also possible to dispense with a separate soft seal.
  • a secure frictional connection between the inner circumference of the fitting housing on the one hand and the jet regulator according to the invention on the other hand is favored if at least one spring bar is provided for acting on the inner circumference of the water outlet of a sanitary outlet fitting on the outer circumference of the jet regulator housing.
  • Such a Spring bar can pressurize the valve body on the inside circumference with a stable frictional connection.
  • the holding forces can be substantially improved by means of such a spring bar, when the spring bar in the position of use additionally also positively engages behind an undercut on the inner circumference of the fitting.
  • a peripheral spring bar is arranged on the outer circumference of the jet regulator housing, preferably downstream.
  • a preferred embodiment according to the invention provides that the jet regulator is designed as a laminar jet regulator.
  • a jet regulator 1 which is designed here as a laminar flat jet regulator.
  • the flat jet regulator 1 has a sleeve-shaped jet regulator housing 2, whose clear cross section has a greater width in comparison to the depth.
  • a band-shaped and over a comparatively large distance dimensionally stable water jet is formed which has a homogeneous and non-splashing spray pattern.
  • the jet regulator 1 has a distributor surface 3 designed as a perforated plate with a multiplicity of throughflow holes 4.
  • This distributor surface 3 is intended for distributing the water jet, the jet cross section of the water jet flowing out of the distributor surface 3 being in the present exemplary embodiment a multiple of the inflow - side jet cross section. Since the distributor surface 3 only distributes the water jet, but does not oppose it with excessive resistance, even with comparatively high inflow-side pressure of the inflowing medium, no large holding forces build up which have to be transmitted to the wall of the armature.
  • the distributor surface 3 is connected downstream of a baffle surface 5, which is arranged in a central region of the jet cross section and which additionally deflects the water jet from the central region into the edge regions of the clear flow cross section.
  • the baffle 5 are in turn downstream flow guide walls 6 in the flow direction, which form the water flowing through to a homogeneous expiring jet of water and equalize.
  • the jet regulator 1 shown here is therefore characterized by a homogeneous spray pattern. Since the components 3, 5 and 6 of the jet regulator 1 oppose the water jet no excessive resistance, the effort required to secure the jet regulator 1 in the fitting housing 1 can be significantly reduced.
  • the jet regulator 1 is immediately downstream of a cross-sectional widening of the flow guide in the flow direction.
  • the jet regulator 1 - is still in the constricted Part of the flow guide - a flow regulator 10 upstream.
  • the flow guide walls 6 are arranged approximately parallel to each other.
  • the flow guide walls 6 are connected to each other via a central and extending through the longitudinal center plane of the flow guide walls 6 connecting wall 7.
  • the connecting wall 7 and the flow guide walls 6 taper in the flow direction and are each rounded at their downstream narrow edges, in order to promote a homogeneous jet pattern of the exiting water jet.
  • the inner flow guide walls 6 and the connecting wall 7 carry the baffle 5.
  • at least two opposite circumferential sides of the baffle surface and on the impact surface 5 above inflow narrow edges of the flow guide walls 6 a in FIG. 1 particularly well recognizable frustoconical side contour on.
  • FIG. 5 It is shown that the connecting wall 7 and the flow guide walls 6 and the inflow side formed thereon baffle surface 5 are arranged in the sleeve interior of the sleeve-shaped jet regulator housing 2 and formed integrally there.
  • the distributor surface 3 is formed as an attachable to the jet regulator housing 2 perforated plate.
  • the jet regulator shown here is releasably insertable with its jet regulator housing 2 in the water outlet 8 of a sanitary outlet fitting and held therein frictionally engaged in the use position.
  • the inner circumference of the water outlet 8 acting on the spring bar 9 is provided. It may be advantageous if the spring bar 9 practically engages behind a narrow undercut on the inner circumference of the fitting housing in a form-fitting manner.
  • the angled in the direction of the outlet end side spring bar 9 is in use position on the inner circumference of the water outlet 8 under bias.
  • the jet regulator 1 is designed as an unventilated jet regulator and since an annular gap for supplying air between the outer circumference of the jet regulator housing and the valve inner circumference is unnecessary, the jet regulator housing 2 is practically on its entire circumference of the housing housing on the inner circumference of the fitting housing.
  • the jet regulator 1 shown here is characterized by a homogeneous spray pattern, wherein the jet regulator 1 can be used easily detachable without additional fastening means in the water outlet 8 a sanitary outlet fitting.

Description

Die Erfindung betrifft einen Strahlregler, der eine Verteilerfläche mit einer Vielzahl von Durchflusslöchern zum Verteilen des Wasserstrahles hat, wobei der Verteilerfläche eine, in einem Zentralbereich des Strahlquerschnittes angeordnete Prallfläche und anschließend mehrere, in Strömungsrichtung orientierte Strömungsführungswände nachgeschaltet sind.The invention relates to a jet regulator, which has a distributor surface with a multiplicity of throughflow holes for distributing the water jet, wherein the distributor surface is followed by a baffle surface arranged in a central region of the jet cross section and subsequently a plurality of flow guide walls oriented in the flow direction.

Strahlregler der eingangs erwähnten Art werden meist als Einsetzpatrone hergestellt, die im Bereich des Wasserauslaufs einer sanitären Auslaufarmatur montiert werden kann, um einen homogenen und nicht-spritzenden Wasserstrahl zu formen. Solche Strahlregler werden entweder als belüftete Strahlregler oder als laminare, d.h. unbelüftete Funktionseinheiten hergestellt. Die vorbekannten Strahlregler weisen meist einen kreisrunden Querschnitt auf, - jedoch werden zunehmend auch Flachstrahlregler entwickelt und hergestellt, die einen flachen, bandförmigen und über eine möglichst lange Wegstrecke formstabilen Wasserstrahl erzeugen sollen. Aufgrund der unrunden Bauform ist am Außenumfang solcher Flachstrahlregler meist kein Außengewinde möglich, um den Strahlregler im Bereich des Wasserauslaufs einer Auslaufarmatur befestigen zu können. Da die im Wasserauslauf montierten Strahlregler eventuell auch einem vergleichsweise hohen Wasserdruck ausgesetzt sind, sind andere Befestigungsmittel notwendig, wie beispielsweise Madenschrauben, die von der Außenseite des Armaturengehäuses hindurch den Strahlregler im Inneren des Armaturengehäuses fixieren. Sofern solche Befestigungsmittel das Erscheinungsbild einer sanitären Auslaufarmatur nicht beeinträchtigen und daher nicht sichtbar sein sollen, sind die Anwendungsmöglichkeiten eingeschränkt.Jet regulators of the type mentioned are usually produced as Einsetzpatrone that can be mounted in the water outlet of a sanitary outlet fitting to form a homogeneous and non-squirting water jet. Such jet regulators are produced either as ventilated jet regulators or as laminar, ie non-ventilated functional units. The previously known aerators usually have a circular cross-section, but flat fan controllers are increasingly being developed and manufactured, which are intended to produce a flat, band-shaped jet of water that is dimensionally stable over as long a path as possible. Due to the non-circular design, no external thread is usually possible on the outer circumference of such flat jet regulators in order to be able to secure the jet regulator in the region of the water outlet of an outlet fitting. Since the jet regulators mounted in the water outlet may also be exposed to a comparatively high water pressure, other fastening means are necessary, such as grub screws, which fix the jet regulator in the interior of the fitting housing from the outside of the fitting housing. If such fasteners do not affect the appearance of a sanitary outlet fitting and therefore should not be visible, the applications are limited.

Aus Fig. 3 der US 2005/189289 A1 kennt man bereits einen Strahlregler der eingangs erwähnten Art, der zuströmseitig eine Verteilerfläche mit einer Vielzahl von Durchflusslöchern zum Verteilen des Wasserstrahles hat, die um einen ungelochten und als Prallfläche wirkenden Zentralbereich herum angeordnet sind. Dieser, im Zentralbereich des Strahlquerschnittes angeordneten Prallfläche sind mehrere, in Strömungsrichtung orientierte Strömungsführungswände nachgeschaltet, die den durchströmenden Wasserstrahl in einen inneren belüfteten Strahl-Teilbereich und in eine äußere unbelüftete und entsprechend klare Ringzone unterteilen. Ein homogenes Strahlbild wird bei dem vorbekannten Strahlregler somit gerade nicht angestrebt. Dieses Dokument entspricht dem Oberbegriff des Anspruchs 1.Out Fig. 3 of the US 2005/189289 A1 There is already known a jet regulator of the type mentioned at the beginning, which on the inflow side has a distributor surface with a multiplicity of throughflow holes for distributing the water jet, which are arranged around an unperforated central region acting as an impact surface. This, in the central region of the beam cross-section arranged baffle are followed by a plurality of flow directionally oriented flow guide walls, which divide the flowing water jet in an inner aerated beam portion and in an outer unventilated and correspondingly clear ring zone. A homogeneous jet pattern is therefore not desired in the previously known jet regulator. This document corresponds to the preamble of claim 1.

Aus der WO 98/16694 ist bereits ein Strahlregler mit einer als Lochplatte ausgestalteten Strahlzerlegeinrichtung bekannt, der mit Abstand eine die auslaufseitige Stirnseite des Strahlreglers bildende Strahlreguliereinrichtung nachgeschaltet ist. Diese Strahlreguliereinrichtung ist ebenfalls als Lochplatte ausgebildet, die zumindest in wenigstens einem als Lochfeld ausgebildeten Teilbereich ihrer quer zur Strömungsrichtung orientierten Plattenebene mehrere Durchflusslöcher hat, deren benachbarte Durchflusslöcher voneinander trennenden und sich etwa in Strömungsrichtung erstreckenden Führungswandungen jeweils eine Wandstärke aufweisen, welche einen Bruchteil des lichten Lochdurchmessers eines von den Führungswandungen begrenzten Durchflussloches beträgt. Der aus WO 98/16694 vorbekannte Strahlregler weist jedoch stets einen kreisrunden Querschnitt auf, wie es bei althergebrachten Strahlreglern üblich ist.From the WO 98/16694 is already a jet regulator with a designed as a perforated plate jet disintegration device, which is connected downstream with a distance forming the outlet side end face of the jet regulator Strahlreguliereinrichtung. This Strahlreguliereinrichtung is also formed as a perforated plate, which has at least in at least one formed as a perforated field portion of their transverse to the flow direction plate plane several flow holes whose adjacent flow holes from each other and extending approximately in the flow direction guide walls each have a wall thickness, which is a fraction of the clear hole diameter one of the guide walls limited flow hole amounts. The out WO 98/16694 However, previously known jet regulator always has a circular cross-section, as is customary in traditional jet regulators.

Einen ähnlich ausgestalteten Strahlregler kennt man auch aus der EP 0 721 031 A1 .A similarly designed jet regulator is also known from the EP 0 721 031 A1 ,

In der DE 10 2005 061 974 B1 ist bereits eine sanitäre Wannenfüllbatterie mit einem Wasserauslaufgehäuse vorbeschrieben, in dem ein Strahlformer für einen breitflächigen Wasseraustrittsstrahl vorgesehen ist. Das Wasserauslaufgehäuse umfasst einen im wesentlichen senkrecht zum Wasseraustrittsstrahl verlaufenden länglichen Zulaufkanal, der sich in Strömungsrichtung trichterartig verjüngt und durch eine Zwischenwand begrenzt ist. Die Zwischenwand weist eine Vielzahl von Durchströmlöchern auf, über welche der Zulaufkanal mit einem zu diesem im wesentlichen parallelen länglichen Verteilerraum verbunden ist. Der Verteilerraum hat wenigstens einen zu dem Wasserauslauf führenden Wasseraustrittskanal. Mit Hilfe dieser vorbekannten Wannenfüllbatterie soll ein breiter schwallartiger Wasserstrom erzeugt werden, - zur Erzeugung eines homogenen Wasserstrahls ist die aus DE 10 2005 061 974 B3 vorbekannte Wannenfüllbatterie dagegen weniger geeignet.In the DE 10 2005 061 974 B1 already described a sanitary tub filling with a water outlet housing, in which a beam shaper is provided for a wide-area water outlet jet. The water outlet housing comprises an elongate inlet channel, which runs essentially perpendicular to the water outlet jet and tapers like a funnel in the flow direction and is delimited by an intermediate wall. The intermediate wall has a plurality of flow-through holes, via which the inlet channel is connected to a substantially parallel to this elongated distributor space. The distributor space has at least one water outlet channel leading to the water outlet. With the help of this known tub filling a broad surge-like flow of water is to be generated, - to produce a homogeneous water jet is out DE 10 2005 061 974 B3 prior art tub filling battery, however, less suitable.

Aus der DE 203 17 910 U1 kennt man bereits einen Strahlregler, dessen Strahlregler-Gehäuse am freien Endbereich einer sanitären Auslaufarmatur befestigbar ist. Um das Strahlregler-Gehäuse innerhalb eines nicht kreisförmigen Innenquerschnitts des Wasserauslaufs befestigen zu können, ist das Gehäuse als entsprechend geformtes, aus zwei gleichen, spiegelbildlich aneinander befestigbaren Kunststoff-Spritzgussteilen gebildet, welche wasseraustrittsseitig einen umlaufend angeformten elastischen Dicht- und Klemmbereich aufweisen. Um den Strömungsquerschnitt des durchströmenden Wassers fächerartig aufteilen zu können, sind im Inneren des Strahlregler-Gehäuses lediglich mehrere Führungsrippen vorgesehen.From the DE 203 17 910 U1 One already knows a jet regulator whose jet regulator housing can be fastened to the free end region of a sanitary outlet fitting. In order to fix the jet regulator housing within a non-circular inner cross section of the water outlet, the housing is formed as a correspondingly shaped, made of two identical, mirror-inverted plastic injection molded parts, which have a circumferentially molded elastic sealing and clamping area on the water outlet side. In order to divide the flow cross-section of the water flowing through fan-like, are inside the jet regulator housing only several guide ribs provided.

Es besteht daher insbesondere die Aufgabe, einen möglichst vielseitig einsetzbaren Strahlregler der eingangs erwähnten Art zu schaffen, der sich durch ein homogenes Strahlbild auszeichnet.There is therefore in particular the task of creating a versatile as possible jet regulator of the type mentioned above, which is characterized by a homogeneous jet pattern.

Die erfindungsgemäße Lösung dieser Aufgabe besteht bei dem Strahlregler der eingangs erwähnten Art insbesondere darin, dass die Strömungsführungswände sich zumindest in einem abströmseitigen Teilbereich in Strömungsrichtung verjüngen.The solution to this problem according to the invention consists in the jet regulator of the type mentioned in particular in that the flow guide walls taper at least in an outflow-side portion in the flow direction.

Da die Strömungsführungswände sich bei dem erfindungsgemäßen Strahlregler zumindest in einem abströmseitigen Teilbereich in Strömungsrichtung verjüngen, zeichnet sich der erfindungsgemäße Strahlregler durch ein homogenes und nicht-spritzendes Strahlbild aus.Since the flow guide walls in the jet regulator according to the invention taper at least in an outflow-side partial region in the flow direction, the jet regulator according to the invention is distinguished by a homogeneous and non-spraying jet pattern.

Der erfindungsgemäße Strahlregler weist eine Verteilerfläche mit einer Vielzahl von Durchflusslöchern auf. Diese Verteilerfläche ist zum Verteilen des Wasserstrahles bestimmt. Da die Verteilerfläche den Wasserstrahl nur verteilt, aber ihm keinen übergroßen Widerstand entgegensetzt, bauen sich auch bei vergleichsweise hohem zuströmseitigem Druck keine großen Haltekräfte auf, die zur Armaturenwandung hin übertragen werden müssen. Der Verteilerfläche ist eine, in einem Zentralbereich des Strahlquerschnittes angeordnete Prallfläche nachgeschaltet, welche den Wasserstrahl vom Zentralbereich aus noch zusätzlich auch in die Randbereiche des lichten Durchflussquerschnitts umlenkt. Der Prallfläche sind wiederum Strömungsführungswände in Strömungsrichtung nachgeschaltet, die das durchströmende Wasser zu einem homogenen auslaufenden Wasserstrahl formen und vergleichmäßigen. Der erfindungsgemäße Strahlregler zeichnet sich durch ein homogenes Strahlbild aus. Da die Bestandteile des erfindungsgemäßen Strahlreglers dem Wasserstrahl keinen übergroßen Widerstand entgegensetzen, kann der zur Sicherung des erfindungsgemäßen Strahlreglers im Armaturengehäuse erforderliche Aufwand erheblich reduziert werden.The jet regulator according to the invention has a distributor surface with a multiplicity of throughflow holes. This distributor surface is intended for distributing the water jet. Since the distributor surface only distributes the water jet, but does not oppose it with excessive resistance, even with comparatively high inflow-side pressure, no large holding forces build up which have to be transmitted to the wall of the dashboard. The distributor surface is connected downstream of a baffle arranged in a central region of the beam cross-section, which additionally deflects the water jet from the central region into the edge regions of the clear flow cross-section. The baffle are in turn downstream flow guide walls in the flow direction, which form the water flowing through to a homogeneous expiring jet of water and equalize. The inventive Jet regulator is characterized by a homogeneous spray pattern. Since the components of the jet regulator according to the invention oppose the water jet no excessive resistance, the effort required to secure the jet regulator according to the invention in the fitting housing can be significantly reduced.

Möglich ist es, den Strahlregler auch in einer Strömungsführung mit einem zuströmseitig gleichbleibenden und insbesondere rechteckigen Durchflussquerschnitt einzusetzen. Vorteilhaft ist es jedoch, wenn der Strahlregler einer Querschnittserweiterung der Strömungsführung in Strömungsrichtung unmittelbar nachgeschaltet ist. Da die Verteilerfläche auch den hohen Wasserdruck eines gegebenenfalls auch auf einen vergleichsweise kleinen Strahlquerschnitt konzentrierten Wasserstrahles aufzufangen vermag, kann auch ein derart konzentrierter Wasserstrahl mit Hilfe des erfindungsgemäßen Strahlreglers über einen vergleichsweise großen Auslaufquerschnitt verteilt werden.It is also possible to use the jet regulator in a flow guide with a flow area which is constant on the inflow side and in particular rectangular. However, it is advantageous if the jet regulator is immediately downstream of a cross-sectional widening of the flow guide in the flow direction. Since the distributor surface can also absorb the high water pressure of a water jet, which may also be concentrated on a comparatively small jet cross-section, such a concentrated water jet can also be distributed over a comparatively large outlet cross-section with the aid of the jet regulator according to the invention.

Ein homogenes Strahlbild wird begünstigt, wenn die Strömungsführungswände etwa parallel zueinander angeordnet sind.A homogeneous spray pattern is favored when the flow guide walls are arranged approximately parallel to each other.

Um den bereits von der Verteilerfläche verteilten Wasserstrahl gut auch in die Randbereiche des Strahlquerschnittes umlenken zu können, ist es vorteilhaft, wenn zumindest eine Teilmenge der Strömungsführungswände die Prallfläche tragen.In order to be able to deflect the water jet already distributed from the distributor surface well into the edge regions of the beam cross section, it is advantageous if at least a subset of the flow guide walls carry the baffle surface.

Eine gute Strömungsführung im Bereich der Strömungsführungswände wird begünstigt, wenn zumindest zwei gegenüberliegende Umfangsseiten der Prallfläche und/oder die über die Prallfläche vorstehenden zuströmseitigen Schmalränder der Strömungsführungswände eine kegelstumpfförmige Seitenkontur aufweisen.A good flow guidance in the region of the flow guide walls is favored if at least two opposite circumferential sides of the baffle surface and / or the inflow-side narrow edges of the flow guide walls projecting beyond the baffle surface have a frustoconical side contour.

Um die Stabilität des erfindungsgemäßen Strahlreglers auch im Bereich der Strömungsführungswände zu erhöhen, und um stets einen gleichbleibenden Abstand zwischen den Strömungsführungswänden zu gewährleisten, ist es vorteilhaft, wenn die Strömungsführungswände über zumindest eine, vorzugsweise zentrale und insbesondere durch die Längsmittelachsen der Strömungsführungswände verlaufende Verbindungswand miteinander verbunden sind.In order to increase the stability of the jet regulator according to the invention also in the region of the flow guide walls, and always to ensure a constant distance between the flow guide walls, it is advantageous if the flow guide walls connected to each other via at least one, preferably central and in particular extending through the longitudinal center axes of the flow guide walls connecting wall are.

Ein homogenes und nicht-spritzendes Strahlbild wird begünstigt, wenn auch die Verbindungswände sich, zumindest in einem abströmseitigen Teilbereich, in Strömungsrichtung verjüngen und/oder wenn die Verbindungs- und/oder Strömungsführungswände an ihren abströmseitigen Schmalrändern gerundet sind.A homogeneous and non-spraying jet pattern is favored, even if the connecting walls, at least in a downstream part, taper in the flow direction and / or if the connection and / or flow guide walls are rounded at their downstream narrow edges.

Der mit der Herstellung des erfindungsgemäßen Strahlreglers verbundene Aufwand wird reduziert, wenn die Verbindungs- und Strömungsführungswände sowie die Prallfläche im Hülseninneren eines hülsenförmigen Strahlreglergehäuses angeordnet und vorzugsweise einstückig eingeformt sind. Dabei sieht eine bevorzugte Ausführungsform gemäß der Erfindung vor, dass die Verteilerfläche als eine auf das Strahlreglergehäuse aufsetzbare Lochplatte ausgebildet ist.The expense associated with the production of the jet regulator according to the invention is reduced if the connection and flow guide walls and the baffle are arranged in the sleeve interior of a sleeve-shaped jet regulator housing and preferably formed integrally. In this case, a preferred embodiment according to the invention provides that the distributor surface is designed as an attachable to the jet regulator housing perforated plate.

Da die Bestandteile des erfindungsgemäßen Strahlreglers dem zuströmenden Wasserstrahl keinen übergroßen Widerstand entgegensetzen, bauen sich auch bei vergleichsweise hohem zuströmseitigen Druck keine großen Haltekräfte auf, die zur Armaturenwandung hin übertragen werden müssen. Damit kann der zur Sicherung des erfindungsgemäßen Strahlreglers im Armaturengehäuse erforderliche Aufwand erheblich reduziert werden. Um den erfindungsgemäßen Strahlregler bei Bedarf leicht lösbar im Armaturengehäuse einsetzen und dort gegebenenfalls auch allein reibschlüssig halten zu können, und um auf zusätzliche, gegebenenfalls auch störend in Erscheinung tretende Befestigungsmittel verzichten zu können, ist es möglich, dass in Strömungsrichtung vor dem Strahlregler mit Abstand zu diesem ein Durchflussmengenregler oder ein Durchflussbegrenzer vorgesehen ist. Mit Hilfe eines solchen Durchflussmengenreglers kann der auf den strahlregler einwirkende Wasserdruck in vorteilhafter Weise begrenzt werden.Since the components of the jet regulator according to the invention oppose the inflowing water jet no excessive resistance, no large holding forces build up even at a comparatively high inflow-side pressure, which must be transmitted to the Armaturenwandung out. Thus, the effort required to secure the jet regulator according to the invention in the fitting housing effort can be significantly reduced. To the jet regulator according to the invention easily solvable if necessary Insert in the valve body and where appropriate, even frictionally hold alone, and to dispense with additional, possibly also disturbing emerging fastener, it is possible that in the flow direction in front of the jet regulator at a distance to this a flow regulator or a flow restrictor is provided , With the help of such a flow regulator, the pressure acting on the jet regulator water pressure can be limited in an advantageous manner.

Eine reibschlüssige Befestigung des erfindungsgemäßen Strahlreglers bietet den zusätzlichen Vorteil, dass auf diese Weise auch eine Abdichtung zwischen dem Strahlregler und dem Armatureninnenumfang erreicht werden kann. Da sich bei dem erfindungsgemäßen Strahlregler keine hohen zuströmseitigen Drücke aufbauen, kann auch auf eine separate Weichdichtung verzichtet werden.A frictional attachment of the jet regulator according to the invention offers the additional advantage that in this way a seal between the jet regulator and the valve inner circumference can be achieved. Since no high inflow-side pressures build up in the jet regulator according to the invention, it is also possible to dispense with a separate soft seal.

Eine sichere reibschlüssige Verbindung zwischen dem Innenumfang des Armaturengehäuses einerseits und dem erfindungsgemäßen Strahlregler andererseits wird begünstigt, wenn am Außenumfang des Strahlreglergehäuses zumindest ein Federsteg zur Beaufschlagung des Innenumfangs des Wasserauslaufs einer sanitären Auslaufarmatur vorgesehen ist. Ein solcher Federsteg kann das Armaturengehäuse innenumfangsseitig mit stabilem Reibschluss druckbeaufschlagen.A secure frictional connection between the inner circumference of the fitting housing on the one hand and the jet regulator according to the invention on the other hand is favored if at least one spring bar is provided for acting on the inner circumference of the water outlet of a sanitary outlet fitting on the outer circumference of the jet regulator housing. Such a Spring bar can pressurize the valve body on the inside circumference with a stable frictional connection.

Dabei lassen sich die Haltekräfte mit Hilfe eines solchen Federsteges wesentlich verbessern, wenn der Federsteg in Gebrauchsstellung zusätzlich auch formschlüssig einen Hinterschnitt am Armatureninnenumfang hintergreift.In this case, the holding forces can be substantially improved by means of such a spring bar, when the spring bar in the position of use additionally also positively engages behind an undercut on the inner circumference of the fitting.

Besonders vorteilhaft ist es, wenn am Außenumfang des Strahlreglergehäuses vorzugsweise abströmseitig ein umlaufender Federsteg angeordnet ist.It is particularly advantageous if a peripheral spring bar is arranged on the outer circumference of the jet regulator housing, preferably downstream.

Eine bevorzugte Ausführungsform gemäß der Erfindung sieht vor, dass der Strahlregler als laminarer Strahlregler ausgebildet ist.A preferred embodiment according to the invention provides that the jet regulator is designed as a laminar jet regulator.

Weiterbildungen gemäß der Erfindung ergeben sich aus der nachfolgenden Beschreibung sowie der Ansprüche. Nachstehend wird die Erfindung anhand eines bevorzugten Ausführungsbeispieles noch näher beschrieben.Further developments according to the invention will become apparent from the following description and the claims. The invention will be described in more detail below with reference to a preferred embodiment.

Es zeigt:

Fig. 1
einen in einem Längsschnitt dargestellten laminaren Strahlregler, der im Wasserauslauf einer sanitären Auslaufarmatur reibschlüssig gehalten ist, wobei mit Abstand vor dem Strahlregler ein Durchflussmengenregler vorgesehen ist,
Fig. 2
den Strahlregler aus Figur 1 in einem Schnitt entlang der Schnittlinie II-II,
Fig. 3
den am Innenumfang des Wasserauslaufs reibschlüssig anliegenden Strahlregler im Bereich eines vom Strahlreglergehäuse außenumfangsseitig angeformten Federsteges,
Fig. 4
den im Wasserauslauf der sanitären Auslaufarmatur befindlichen Strahlregler aus Figur 1 bis 3 in einer Draufsicht auf seine Auslaufstirnseite,
Fig. 5
den Strahlregler aus Figur 1 bis 4 in einem perspektivischen Teilschnitt und
Fig. 6
den Strahlregler aus Figur 1 bis 5 in einer perspektivischen Darstellung.
It shows:
Fig. 1
a laminar jet regulator shown in a longitudinal section, which is frictionally held in the water outlet of a sanitary outlet fitting, wherein a flow regulator is provided at a distance in front of the jet regulator,
Fig. 2
off the jet regulator FIG. 1 in a section along the section line II-II,
Fig. 3
the jet adjuster frictionally engaged on the inner circumference of the water outlet in the region of a spring bar formed on the outer peripheral side by the jet regulator housing,
Fig. 4
the located in the water outlet of the sanitary outlet fitting jet regulator Figure 1 to 3 in a plan view of its outlet end face,
Fig. 5
off the jet regulator Figure 1 to 4 in a perspective partial section and
Fig. 6
off the jet regulator Figure 1 to 5 in a perspective view.

In den Figuren 1 bis 6 ist ein Strahlregler 1 dargestellt, der hier als laminarer Flachstrahlregler ausgebildet ist. Der Flachstrahlregler 1 weist ein hülsenförmiges Strahlreglergehäuse 2 auf, dessen lichter Querschnitt eine im Vergleich zur Tiefe größere Breite hat. Mit Hilfe des hier dargestellten Flachstrahlreglers 1 soll ein bandförmiger und über eine vergleichsweise große Wegstrecke formstabiler Wasserstrahl geformt werden, der ein homogenes und nicht-spritzendes Strahlbild hat.In the FIGS. 1 to 6 a jet regulator 1 is shown, which is designed here as a laminar flat jet regulator. The flat jet regulator 1 has a sleeve-shaped jet regulator housing 2, whose clear cross section has a greater width in comparison to the depth. With the help of the flat jet regulator 1 shown here, a band-shaped and over a comparatively large distance dimensionally stable water jet is formed which has a homogeneous and non-splashing spray pattern.

Der Strahlregler 1 hat eine als Lochplatte ausgebildete Verteilerfläche 3 mit einer Vielzahl von Durchflusslöchern 4. Diese Verteilerfläche 3 ist zum Verteilen des Wasserstrahles bestimmt, wobei der Strahlquerschnitt des aus der Verteilerfläche 3 ausströmenden Wasserstrahles im vorliegenden Ausführungsbeispiel ein Mehrfaches des zuströmseitigen Strahlquerschnittes beträgt. Da die Verteilerfläche 3 den Wasserstrahl nur verteilt, aber ihm keinen übergroßen Widerstand entgegensetzt, bauen sich auch bei vergleichsweise hohem zuströmseitigem Druck des zuströmenden Mediums keine großen Haltekräfte auf, die zur Armaturenwandung hin übertragen werden müssen.The jet regulator 1 has a distributor surface 3 designed as a perforated plate with a multiplicity of throughflow holes 4. This distributor surface 3 is intended for distributing the water jet, the jet cross section of the water jet flowing out of the distributor surface 3 being in the present exemplary embodiment a multiple of the inflow - side jet cross section. Since the distributor surface 3 only distributes the water jet, but does not oppose it with excessive resistance, even with comparatively high inflow-side pressure of the inflowing medium, no large holding forces build up which have to be transmitted to the wall of the armature.

Der Verteilerfläche 3 ist eine, in einem Zentralbereich des Strahlquerschnittes angeordnete Prallfläche 5 nachgeschaltet, welche den Wasserstrahl vom Zentralbereich aus noch zusätzlich auch in die Randbereiche des lichten Durchflussquerschnittes umlenkt. Der Prallfläche 5 sind wiederum Strömungsführungswände 6 in Strömungsrichtung nachgeschaltet, die das durchströmende Wasser zu einem homogenen auslaufenden Wasserstrahl formen und vergleichmäßigen. Der hier dargestellte Strahlregler 1 zeichnet sich daher durch ein homogenes Strahlbild aus. Da die Bestandteile 3, 5 und 6 des Strahlreglers 1 dem Wasserstrahl keinen übergroßen Widerstand entgegensetzen, kann der zur Sicherung des Strahlreglers 1 im Armaturengehäuse 1 erforderliche Aufwand erheblich reduziert werden.The distributor surface 3 is connected downstream of a baffle surface 5, which is arranged in a central region of the jet cross section and which additionally deflects the water jet from the central region into the edge regions of the clear flow cross section. The baffle 5 are in turn downstream flow guide walls 6 in the flow direction, which form the water flowing through to a homogeneous expiring jet of water and equalize. The jet regulator 1 shown here is therefore characterized by a homogeneous spray pattern. Since the components 3, 5 and 6 of the jet regulator 1 oppose the water jet no excessive resistance, the effort required to secure the jet regulator 1 in the fitting housing 1 can be significantly reduced.

Dabei ist in den Figuren 1 und 2 zu erkennen, dass der Strahlregler 1 einer Querschnittserweiterung der Strömungsführung in Strömungsrichtung unmittelbar nachgeschaltet ist. Um den auf den Strahlregler 1 einwirkenden Wasserdruck in vorteilhafter Weise zu begrenzen, ist dem Strahlregler 1 - noch im eingeengten Teilbereich der Strömungsführung - ein Durchflussmengenregler 10 vorgeschaltet.It is in the Figures 1 and 2 to recognize that the jet regulator 1 is immediately downstream of a cross-sectional widening of the flow guide in the flow direction. In order to limit the pressure acting on the jet regulator 1 water pressure in an advantageous manner, the jet regulator 1 - is still in the constricted Part of the flow guide - a flow regulator 10 upstream.

Aus einem Vergleich der Figuren 1, 2 und 5 wird deutlich, dass die Strömungsführungswände 6 etwa parallel zueinander angeordnet sind. Dabei sind die Strömungsführungswände 6 über eine zentrale und durch die Längsmittelebene der Strömungsführungswände 6 verlaufende Verbindungswand 7 miteinander verbunden. Die Verbindungswand 7 und die Strömungsführungswände 6 verjüngen sich in Strömungsrichtung und sind an ihren abströmseitigen Schmalrändern jeweils gerundet, um ein homogenes Strahlbild des austretenden Wasserstrahles zu begünstigen.From a comparison of FIGS. 1, 2 and 5 it is clear that the flow guide walls 6 are arranged approximately parallel to each other. The flow guide walls 6 are connected to each other via a central and extending through the longitudinal center plane of the flow guide walls 6 connecting wall 7. The connecting wall 7 and the flow guide walls 6 taper in the flow direction and are each rounded at their downstream narrow edges, in order to promote a homogeneous jet pattern of the exiting water jet.

Aus den Figuren 1, 2 und 5 wird auch deutlich, dass die inneren Strömungsführungswände 6 und die Verbindungswand 7 die Prallfläche 5 tragen. Dabei weisen zumindest zwei gegenüberliegende Umfangsseiten der Prallfläche und die über die Prallfläche 5 vorstehenden zuströmseitigen Schmalränder der Strömungsführungswände 6 eine in Figur 1 besonders gut erkennbare kegelstumpfförmige Seitenkontur auf.From the FIGS. 1, 2 and 5 It is also clear that the inner flow guide walls 6 and the connecting wall 7 carry the baffle 5. In this case, at least two opposite circumferential sides of the baffle surface and on the impact surface 5 above inflow narrow edges of the flow guide walls 6 a in FIG. 1 particularly well recognizable frustoconical side contour on.

In Figur 5 ist dargestellt, dass die Verbindungswand 7 und die Strömungsführungswände 6 sowie die daran zuströmseitig angeformte Prallfläche 5 im Hülseninneren des hülsenförmigen Strahlreglergehäuses 2 angeordnet und dort einstückig eingeformt sind. Demgegenüber ist die Verteilerfläche 3 als eine auf das Strahlreglergehäuse 2 aufsetzbare Lochplatte ausgebildet.In FIG. 5 It is shown that the connecting wall 7 and the flow guide walls 6 and the inflow side formed thereon baffle surface 5 are arranged in the sleeve interior of the sleeve-shaped jet regulator housing 2 and formed integrally there. In contrast, the distributor surface 3 is formed as an attachable to the jet regulator housing 2 perforated plate.

Der hier dargestellte Strahlregler ist mit seinem Strahlreglergehäuse 2 in den Wasserauslauf 8 einer sanitären Auslaufarmatur lösbar einsetzbar und darin in Gebrauchsstellung reibschlüssig gehalten. Um diese reibschlüssige Verbindung zwischen dem Strahlregler 1 und dem Innenumfang des Strahlreglergehäuses 2 zu sichern, ist am Außenumfang des Strahlreglergehäuses 2 ein, den Innenumfang des Wasserauslaufs 8 beaufschlagender Federsteg 9 vorgesehen. Vorteilhaft kann es sein, wenn der Federsteg 9 praktisch auch formschlüssig einen schmalen Hinterschnitt am Innenumfang des Armaturengehäuses hintergreift. Der in Richtung zur Auslaufstirnseite abgewinkelte Federsteg 9 liegt in Gebrauchsstellung am Innenumfang des Wasserauslaufs 8 unter Vorspannung an. Da der Strahlregler 1 als unbelüfteter Strahlregler ausgebildet ist und da zwischen dem Außenumfang des Strahlreglergehäuses und dem Armatureninnenumfang ein Ringspalt zur Zufuhr von Luft entbehrlich ist, liegt das Strahlreglergehäuse 2 praktisch über seinen gesamten Gehäuseumfang am Innenumfang des Armaturengehäuses an.The jet regulator shown here is releasably insertable with its jet regulator housing 2 in the water outlet 8 of a sanitary outlet fitting and held therein frictionally engaged in the use position. To this frictional connection between the jet regulator 1 and the inner circumference of the jet regulator housing 2 to secure, on the outer circumference of the jet regulator housing 2, the inner circumference of the water outlet 8 acting on the spring bar 9 is provided. It may be advantageous if the spring bar 9 practically engages behind a narrow undercut on the inner circumference of the fitting housing in a form-fitting manner. The angled in the direction of the outlet end side spring bar 9 is in use position on the inner circumference of the water outlet 8 under bias. Since the jet regulator 1 is designed as an unventilated jet regulator and since an annular gap for supplying air between the outer circumference of the jet regulator housing and the valve inner circumference is unnecessary, the jet regulator housing 2 is practically on its entire circumference of the housing housing on the inner circumference of the fitting housing.

Der hier dargestellte Strahlregler 1 zeichnet sich durch ein homogenes Strahlbild aus, wobei der Strahlregler 1 auch ohne zusätzliche Befestigungsmittel leicht lösbar in den Wasserauslauf 8 einer sanitären Auslaufarmatur eingesetzt werden kann.The jet regulator 1 shown here is characterized by a homogeneous spray pattern, wherein the jet regulator 1 can be used easily detachable without additional fastening means in the water outlet 8 a sanitary outlet fitting.

Claims (12)

  1. Jet regulator (1) which has a distributor surface (3) with a multiplicity of throughflow holes (4) for the distribution of the water jet, wherein the distributor surface (3) has an impingement surface (5) arranged in a central region of the jet cross section and is followed downstream by a plurality of flow-guiding walls (6) which are oriented in the flow direction, characterized in that the flow-guiding walls (6) taper in the flow direction at least in an outflow-side sub-region.
  2. Jet regulator according to Claim 1, characterized in that the jet regulator (1) is, as viewed in the flow direction, positioned directly downstream of a cross-sectional enlargement of the flow guide.
  3. Jet regulator according Claim 1 or 2, characterized in that the flow-guiding walls (6) are arranged approximately parallel to one another.
  4. Jet regulator according to one of Claims 1 to 3, characterized in that at least a subset of the flow-guiding walls (6) bear the impingement surface (5).
  5. Jet regulator according to one of Claims 1 to 4, characterized in that at least two opposite circumferential sides of the impingement surface (5) and/or the inflow-side narrow edges, which protrude beyond the impingement surface (5), of the flow-guiding walls (6) have a frustoconical side contour.
  6. Jet regulator according to one of Claims 1 to 5, characterized in that the flow-guiding walls (6) are connected to one another by means of at least one, preferably central connecting wall (7) which runs in particular through the longitudinal central axes of the flow-guiding walls (6).
  7. Jet regulator according to one of Claims 1 to 6, characterized in that the at least one connecting wall (7) tapers in the flow direction at least in an outflow-side sub-region, and/or in that the at least one connecting wall and/or the flow-guiding walls are rounded at their outflow-side narrow edges.
  8. Jet regulator according to Claim 6 or 7, characterized in that the connecting and flow-guiding walls (7, 6) and the impingement surface (5) are arranged in, and preferably formed integrally in, the sleeve interior of a sleeve-shaped jet regulator housing (2).
  9. Jet regulator according to Claim 8, characterized in that the distributor surface (3) is in the form of a perforated plate that can be mounted onto the jet regulator housing (2).
  10. Jet regulator according to one of the preceding claims, characterized in that, on the outer circumference of the jet regulator housing (2), there is provided at least one spring web (9) for exerting load on the inner circumference of the water outlet of a sanitary outlet fitting.
  11. Jet regulator according to Claim 10, characterized in that an encircling spring web (9) is arranged on the outer circumference of the jet regulator housing (2) preferably at the outflow side.
  12. Jet regulator according to one of Claims 1 to 11, characterized in that the jet regulator (1) is formed as a laminar jet regulator.
EP08837872.4A 2007-10-01 2008-09-26 Jet regulator Active EP2195492B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13002081.1A EP2631377B1 (en) 2007-10-01 2008-09-26 Jet regulator

Applications Claiming Priority (2)

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DE102007047112.4A DE102007047112B4 (en) 2007-10-01 2007-10-01 aerator
PCT/EP2008/008219 WO2009046890A1 (en) 2007-10-01 2008-09-26 Jet regulator

Related Child Applications (2)

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EP13002081.1A Division EP2631377B1 (en) 2007-10-01 2008-09-26 Jet regulator
EP13002081.1 Division-Into 2013-04-19

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EP2195492A1 EP2195492A1 (en) 2010-06-16
EP2195492B1 true EP2195492B1 (en) 2013-07-10

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EP08837872.4A Active EP2195492B1 (en) 2007-10-01 2008-09-26 Jet regulator

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US (1) US8418937B2 (en)
EP (2) EP2631377B1 (en)
CN (1) CN101815828B (en)
DE (1) DE102007047112B4 (en)
WO (1) WO2009046890A1 (en)

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US20170197223A1 (en) * 2015-08-19 2017-07-13 Toshin Inc. Foamed water discharging device and foamed water discharging unit
DE102019126995A1 (en) * 2019-10-08 2021-04-08 Neoperl Gmbh Sanitary installation part and series for a sanitary installation part

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US2044445A (en) * 1934-11-05 1936-06-16 Price Emil Shower head
BE768621A (en) * 1970-09-24 1971-11-03 Knapp Alfons AERATED WATER JET STABILIZER
DE8520289U1 (en) * 1985-07-13 1986-04-17 Dieter Wildfang KG, 7840 Müllheim Aerator
DE9314990U1 (en) * 1993-10-02 1993-11-25 Wildfang Dieter Gmbh Jet regulator for connection to sanitary fittings
EP0721031A1 (en) * 1994-12-29 1996-07-10 Agroteam Consultants Ltd. Aerator for water taps
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Also Published As

Publication number Publication date
US20100213283A1 (en) 2010-08-26
DE102007047112B4 (en) 2014-12-31
US8418937B2 (en) 2013-04-16
EP2631377A1 (en) 2013-08-28
CN101815828B (en) 2014-08-20
EP2195492A1 (en) 2010-06-16
CN101815828A (en) 2010-08-25
WO2009046890A1 (en) 2009-04-16
EP2631377B1 (en) 2020-01-22
DE102007047112A8 (en) 2009-07-23
DE102007047112A1 (en) 2009-04-09

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