EP2424676B1 - Hand shower - Google Patents

Hand shower Download PDF

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Publication number
EP2424676B1
EP2424676B1 EP10720007.3A EP10720007A EP2424676B1 EP 2424676 B1 EP2424676 B1 EP 2424676B1 EP 10720007 A EP10720007 A EP 10720007A EP 2424676 B1 EP2424676 B1 EP 2424676B1
Authority
EP
European Patent Office
Prior art keywords
hand
flow channel
shower
flow
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP10720007.3A
Other languages
German (de)
French (fr)
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EP2424676A1 (en
Inventor
Guido Wiesendahl
Miguel Alonso Garcia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kludi GmbH and Co KG
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Kludi GmbH and Co KG
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Publication of EP2424676A1 publication Critical patent/EP2424676A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/18—Roses; Shower heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/16—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets
    • B05B1/1627—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock
    • B05B1/1636—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock by relative rotative movement of the valve elements
    • B05B1/1645—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock by relative rotative movement of the valve elements the outlets being rotated during selection
    • B05B1/1654—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock by relative rotative movement of the valve elements the outlets being rotated during selection about an axis parallel to the liquid passage in the stationary valve element

Definitions

  • the invention relates to a hand shower with a shower head, which has at least one inner chamber with a plurality of nozzle openings in the bottom and at least one inlet opening per inner chamber has on the outer circumference, which inlet opening in each case by means of a feed element, which is integrated into the hand shower housing, can be flowed ,
  • Such shower heads are used to produce different types of water jets. By turning the shower head, the user can choose whether the water jet is e.g. hard or soft or whether a pulsating massage jet should be set.
  • the object of the invention is thus to improve a shower head of the type mentioned so that the suction of air due to excessive local flow velocities is avoided and a uniform water outlet is achieved at all similar nozzle elements within a chamber.
  • the chamber can be flowed on via an additional flow channel, which has at least one overflow opening and / or an overflow edge, through which overflow or overflow edge of the flow channel is connected to the chamber.
  • the flow channel is arranged in at least one inner chamber of the shower head and separated, for example by at least one additional side wall of the chamber. He can also by a inserted into the chamber pipe or Hose element be formed.
  • the flow channel preferably extends from the radial water inlet on the cylindrical lateral surface to the rear regions of the annular zone region.
  • the side walls of the flow channel narrow openings or are reduced in height so that forms a slot towards the bottom and / or the lid.
  • the overflow openings are formed by recesses on the hose or pipe jacket.
  • overflow openings or the slots at the so-called overflow edges form a large flow resistance due to their small opening cross-section in relation to the flow channel cross-section, so that the flow velocity of the water which enters into the adjacent chamber above is substantially reduced.
  • the flow channel is formed by the fact that either parallel to the cover element or to the bottom plate in the shower head element of the shower head two parallel webs are formed as flow channel walls and that at the upper edge of the webs recesses of low height are provided.
  • the associated other part of the shower head is placed and welded, in particular by ultrasonic or laser beam welding, the uprising areas of the web are connected to the inside of the lid or the floor, while in the recesses no connection takes place, so that here a water outlet is possible.
  • the production of the breakthroughs is so very simple.
  • the recesses or recesses along the additional flow channel can have an increasingly larger cross section, so that the partial volume flow of the water which flows locally out of the Flow channel over enters the actual chamber, becomes larger and builds up along the entire arcuate flow channel in about the same pressure.
  • the flow channel can be placed centrally within a functional zone or a chamber, for which purpose it is separated via two flow channel walls. It is also possible, an already existing partition wall, which divides the shower head into several chambers with correspondingly different functional zones, and only to use an additional flow channel wall, which is then provided with the overflow or the overflow edges.
  • FIG. 1 shows a shower head 30, which is essentially formed by a shower tray element 20 and a cover 10.
  • Lid 10 and effervescent element 20 are in the perspective view of FIG. 1 slightly lifted from each other, but in the correct position to each other, shown. They are connected by welding together to seal the shower head 30 to the outside, but also to waterproof the partition walls 24, 25 between the individual chambers to connect to the lid 10.
  • the shower base element 20 is divided by webs 24, 25 into a plurality of chambers 21, 22, 23, the webs 24, 25 extending from a bottom surface 33, which is provided with nozzle inserts, below the lid 10.
  • Each of the chambers 21, 22, 23 has in this embodiment at the bottom surface 33 different nozzle inserts, so that there are different water jets and thus different functional zones.
  • the chambers 21, 22, 23 are of inlet openings 26.1, 26.2, 26.3, which are located on the outer cylindrical surface of the shower head 30, flows.
  • flow channels 27, 28 are provided, each through the other chambers 21, 22 through the inner chambers 22, 23 supply and in the present embodiment are tapered in the manner of a bottleneck.
  • leading into the central chamber 23 flow channel 27 is very narrow and moreover angled several times.
  • pressure conditions in the domestic water network pressure and flow rate are precisely suitable to produce relatively hard water jets with the existing in the chamber 23 nozzles.
  • the water passes via the flow channel 28 into the central, annular chamber 22, where mini-aerators are provided as nozzles, which each generate a soft jet.
  • mini-aerators are provided as nozzles, which each generate a soft jet.
  • more water is needed than for the spray pattern generated in the central chamber 23. Accordingly, the taper in the flow channel 28 is less pronounced than in the leading to the central chamber 23 flow channel 27th
  • the outer chamber 21 has the largest surface portion of the bottom surface, as the softest rays are to be delivered via the nozzles in this chamber.
  • the equipped with nozzles bottom surface begins immediately behind the inlet opening 26.3, where then a very high flow rate is applied, which leads to the previously known shower head to that according to the principle of a Venturi nozzle In one of the inlet opening 26.3 adjacent area not water is discharged from the nozzles, but ambient air is sucked from the nozzles.
  • a flow channel 11 is formed, which is bounded by lateral flow channel walls 12, 13.
  • the flow channel walls 12, 13 bound laterally the flow channel 11, which begins immediately behind the inlet opening 26.3 and extends as a circular arc at an angle of more than 270 ° to a mouth region 15.
  • the outer chamber 21 is divided into two arcuate sub-chambers 21.1, 21.2.
  • the flow channel walls 12, 13 are provided with overflow openings 16 or overflow edges 12.1, via which a strongly decelerated entry of water in the laterally adjacent to the flow channel 11 sub-chambers 21.1, 21.2 is possible.
  • the flow channel walls 12, 13, a height which is slightly smaller than the clear height in the chamber 21, so that below the overflow edges 12.1 can form a leakage flow, which is sufficient to greatly reduced flow velocity the Subchambers 21.1, 21.2 to fill.
  • slot-shaped overflow openings 16 are introduced into the outer flow channel wall 12. These can be provided in order to be able to specifically effect higher flow rates into the subcompartments 21.1, 21 at certain points.
  • the overflow openings 16 can be introduced later into the flow channel walls 12, 13, for example by means of lasers.
  • FIG. 3 illustrated embodiment of a shower head 30 ' is the basic structure with the shower head 30 after FIG. 2 match.
  • By varying the number, length and distance of the "battlements" can also targeted again a local increase or decrease the flow rate of the leading into the sub-chambers 21.1, 21.2 water flow can be achieved.
  • FIG. 4 is a complete hand shower 40 indicated, as she herself from the DE 10 2007 002 894 B3 is known.
  • the shower head 20 is rotatably mounted in a hand shower housing 46.
  • the hand shower housing contains in a head region 46 a bearing for receiving the shower head 20, which is arranged rotatable about a rotation axis 47. To rotate, the user grips the shower head 30 on a knob 31.
  • a handle portion 45 connects, over which the hand shower 40 z. B. can be accommodated in a holder.
  • a line is guided, which opens at a connecting piece 43 of a feed element 42.
  • a cantilever plate 44 is modeled in the shape of the rounding of the outer edge of the shower head 30 and guided in a form-fitting manner in hook-shaped projections 34.
  • an outlet opening in the inlet element 42 can be placed directly in front of one of the inlet openings 26.2, 26.3 on the outer edge of the shower head 30.
  • the inlet opening 26.1 ... 26.3 of the outlet opening in the feed element 42 is directly opposite.

Landscapes

  • Nozzles (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)
  • Domestic Plumbing Installations (AREA)

Description

Die Erfindung betrifft eine Handbrause mit einem Brausekopf, der wenigstens eine innere Kammer mit einer Vielzahl von Düsenöffnungen im Boden aufweist und der am Außenumfang wenigstens eine Zulauföffnung je innerer Kammer aufweist, welche Zulauföffnung jeweils mittels eines Zulaufelements, das in das Handbrausengehäuse integriert ist, anströmbar ist.The invention relates to a hand shower with a shower head, which has at least one inner chamber with a plurality of nozzle openings in the bottom and at least one inlet opening per inner chamber has on the outer circumference, which inlet opening in each case by means of a feed element, which is integrated into the hand shower housing, can be flowed ,

Solche Brauseköpfe werden eingesetzt, um verschiedenartige Wasserstrahlen zu erzeugen. Durch Drehen des Brausekopfes kann der Benutzer wählen, ob der Wasserstrahl z.B. hart oder weich sein soll oder ob ein pulsierender Massagestrahl eingestellt werden soll.Such shower heads are used to produce different types of water jets. By turning the shower head, the user can choose whether the water jet is e.g. hard or soft or whether a pulsating massage jet should be set.

Aus der DE 10 2007 002 894 B3 ist ein solcher Brausekopf bekannt, bei dem eine radiale Wasserzuführung vom Außenrand des Brausekopfes her vorgesehen ist. Diese hat den Vorteil, dass eine besonders flache Bauweise zu erzielen ist, da die Wasserverteilung nicht mehr in mehreren übereinander liegenden Etagen oberhalb der Kammern mit den Düsen erfolgen muss. Die einzelnen Zonen werden vielmehr direkt vom Außenumfang her angeströmt.From the DE 10 2007 002 894 B3 Such a shower head is known in which a radial water supply is provided from the outer edge of the shower head ago. This has the advantage that a particularly flat design can be achieved because the water distribution no longer needs to be done in several superimposed floors above the chambers with the nozzles. The individual zones are rather directly flowed from the outer circumference ago.

Es hat sich jedoch gezeigt, dass die radiale Einlaufströmung bei den im Hausleitungsnetz meist üblichen Druckverhältnissen zu einer zu hohen Strömungsgeschwindigkeit im Bereich des Wassereinlaufs führt. Damit fungieren einzelne Düsenelemente in Nachbarschaft des Wassereinlaufs als Venturi-Düsen, das heißt, es wird dort Luft aus der Umgebung angesaugt, jedoch kein Wasser abgegeben.However, it has been shown that the radial inlet flow leads to an excessively high flow velocity in the region of the water inlet at the pressure conditions usually customary in the domestic network. Thus, individual nozzle elements in the vicinity of the water inlet act as Venturi nozzles, that is, it is sucked in there air from the environment, but no water delivered.

Werden Druckminderer in die Wasserzuleitung eingesetzt, so wird dieser Effekt zwar gemindert, jedoch ist dann der Wasserdruck in anderen Bereichen der Zonen, die weiter weg vom Wassereinlauf angeordnet sind, möglicherweise nicht mehr hoch genug, um Düsenelemente mit hohen Durchflussraten zu speisen oder um ein insgesamt über die ganze Fläche einheitliches Strahlbild zu erzeugen.Although pressure reducers are inserted into the water supply line, this effect is reduced, but then the water pressure in other areas of the zones located farther away from the water inlet may not be high enough to feed high flow rate nozzle elements or a total of uniform spray pattern over the entire surface.

Aufgabe der Erfindung ist es somit, einen Brausekopf der eingangs genannten Art so zu verbessern, dass das Ansaugen von Luft aufgrund zu hoher lokaler Strömungsgeschwindigkeiten vermieden wird und ein gleichmäßiger Wasseraustritt an allen gleichartigen Düsenelementen innerhalb einer Kammer erreicht wird.The object of the invention is thus to improve a shower head of the type mentioned so that the suction of air due to excessive local flow velocities is avoided and a uniform water outlet is achieved at all similar nozzle elements within a chamber.

Diese Aufgabe wird gemäß der Erfindung dadurch gelöst, dass die Kammer über einen zusätzlichen Strömungskanal anströmbar ist, die wenigstens eine Überströmöffnung und/oder eine Überströmkante aufweist, durch welche Überströmöffnung oder Überströmkante der Strömungskanal mit der Kammer verbunden ist.This object is achieved according to the invention in that the chamber can be flowed on via an additional flow channel, which has at least one overflow opening and / or an overflow edge, through which overflow or overflow edge of the flow channel is connected to the chamber.

Der Strömungskanal ist in wenigstens einer inneren Kammer des Brausekopfes angeordnet und z.B. durch wenigstens eine zusätzliche Seitenwand von der Kammer abgetrennt. Er kann auch durch ein in die Kammer eingesetztes Rohr- oder Schlauchelement gebildet sein. Der Strömungskanal erstreckt sich bevorzugt vom radialen Wasserzulauf an der zylindrischen Mantelfläche bis in die hinteren Bereiche des ringförmigen Zonenbereichs.The flow channel is arranged in at least one inner chamber of the shower head and separated, for example by at least one additional side wall of the chamber. He can also by a inserted into the chamber pipe or Hose element be formed. The flow channel preferably extends from the radial water inlet on the cylindrical lateral surface to the rear regions of the annular zone region.

Dabei weisen die Seitenwände des Strömungskanals schmale Durchbrüche auf oder sind in ihrer Höhe so reduziert, dass sich zum Boden und/oder zum Deckel hin ein Schlitz bildet.In this case, the side walls of the flow channel narrow openings or are reduced in height so that forms a slot towards the bottom and / or the lid.

Im Falle eines als Strömungskanal verwendeten flexiblen Schlauchelements oder eines starren Rohrelements werden die Überströmöffnungen durch Ausnehmungen am Schlauch- oder Rohrmantel gebildet.In the case of a flexible hose element or a rigid pipe element used as a flow channel, the overflow openings are formed by recesses on the hose or pipe jacket.

Die als Überströmöffnungen bezeichneten Durchbrüche bzw. die Schlitze an den so genannten Überströmkanten bilden aufgrund ihres im Verhältnis zum Strömungskanalquerschnitt kleinen Öffnungsquerschnitts einen großen Strömungswiderstand, so dass die Strömungsgeschwindigkeit des Wassers, das darüber in die benachbarte Kammer eintritt, wesentlich gemindert ist.The apertures referred to as overflow openings or the slots at the so-called overflow edges form a large flow resistance due to their small opening cross-section in relation to the flow channel cross-section, so that the flow velocity of the water which enters into the adjacent chamber above is substantially reduced.

Vorzugsweise ist der Strömungskanal dadurch gebildet, dass entweder an das Deckelelement oder an die Bodenplatte im Brausebodenelement des Brausekopfes zwei parallele Stege als Strömungskanalwände angeformt sind und dass an der Oberkante der Stege Rücksprünge von geringer Höhe vorgesehen sind. Wird nun das zugehörige andere Teil des Brausekopfes aufgesetzt und verschweißt, insbesondere durch Ultraschall- oder Laserstrahlschweißen, werden die aufragenden Bereiche des Steges mit der Innenseite des Deckels bzw. des Bodens verbunden, während bei den Rücksprüngen keine Verbindung erfolgt, so dass hier ein Wasseraustritt möglich ist. Die Fertigung der Durchbrüche ist also sehr einfach.Preferably, the flow channel is formed by the fact that either parallel to the cover element or to the bottom plate in the shower head element of the shower head two parallel webs are formed as flow channel walls and that at the upper edge of the webs recesses of low height are provided. Now, if the associated other part of the shower head is placed and welded, in particular by ultrasonic or laser beam welding, the uprising areas of the web are connected to the inside of the lid or the floor, while in the recesses no connection takes place, so that here a water outlet is possible. The production of the breakthroughs is so very simple.

Möglich ist aber auch, die Durchbrüche nachträglich durch Laserstrahlen etc. von außen in die Begrenzungswände des Strömungskanals einzubringen.It is also possible to subsequently introduce the openings by laser beams etc. from the outside into the boundary walls of the flow channel.

Da sich zwischen dem Wasserzulauf und dem Ende der Zone ein Druckgefälle und demzufolge auch eine abnehmende Strömungsgeschwindigkeit einstellt, können die Rücksprünge beziehungsweise Ausnehmungen entlang des zusätzlichen Strömungskanals einen zunehmend größeren Querschnitt aufweisen, so dass erreicht wird, dass der Teilvolumenstrom des Wassers, welcher lokal aus dem Strömungskanal hinüber in die eigentliche Kammer eintritt, größer wird und sich entlang des kompletten bogenförmigen Strömungskanals ein in etwa gleicher Druck aufbaut.Since there is a pressure gradient between the water inlet and the end of the zone and consequently also a decreasing flow velocity, the recesses or recesses along the additional flow channel can have an increasingly larger cross section, so that the partial volume flow of the water which flows locally out of the Flow channel over enters the actual chamber, becomes larger and builds up along the entire arcuate flow channel in about the same pressure.

Der Strömungskanal kann mittig innerhalb einer Funktionszone bzw. einer Kammer platziert sein, wozu er über zwei Strömungskanalwände abgetrennt ist. Möglich ist auch, eine ohnehin vorhandene Trennwand, welche den Brausekopf in sich in mehrere Kammern mit entsprechend unterschiedlichen Funktionszonen aufteilt, mitzunutzen und nur noch eine zusätzliche Strömungskanalwand einzuziehen, die dann mit den Überströmöffnungen oder den Überströmkanten versehen ist.The flow channel can be placed centrally within a functional zone or a chamber, for which purpose it is separated via two flow channel walls. It is also possible, an already existing partition wall, which divides the shower head into several chambers with correspondingly different functional zones, and only to use an additional flow channel wall, which is then provided with the overflow or the overflow edges.

Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen und mit Bezug auf die Zeichnung näher erläutert. Die Figuren zeigen jeweils in perspektivischer Darstellung:

Fig. 1
einen Brausekopf in Explosionsdarstellung;
Fig. 2
ein Brausebodenelement des Brausekopfes nach Figur 1;
Fig. 3
ein Brausebodenelement einer zweiten Ausführungsform eines Brausekopfes; und
Fig. 4
einen Brausekopf mit Zulaufelement an einer Handbrause.
The invention will be explained in more detail by means of embodiments and with reference to the drawing. The figures show each in perspective:
Fig. 1
a shower head in an exploded view;
Fig. 2
a shower base element of the shower head FIG. 1 ;
Fig. 3
a effervescent floor element of a second embodiment of a shower head; and
Fig. 4
a shower head with inlet element to a hand shower.

Figur 1 zeigt einen Brausekopf 30, der im Wesentlichen durch ein Brausebodenelement 20 und einen Deckel 10 gebildet ist. Deckel 10 und Brausebodenelement 20 sind in der perspektivischen Darstellung der Figur 1 leicht voneinander abgehoben, aber lagerichtig zueinander, abgebildet. Sie werden durch eine Verschweißung miteinander verbunden, um den Brausekopf 30 nach außen hin abzudichten, aber auch, um die Trennwände 24, 25 zwischen den einzelnen Kammern wasserdicht mit dem Deckel 10 zu verbinden. FIG. 1 shows a shower head 30, which is essentially formed by a shower tray element 20 and a cover 10. Lid 10 and effervescent element 20 are in the perspective view of FIG. 1 slightly lifted from each other, but in the correct position to each other, shown. They are connected by welding together to seal the shower head 30 to the outside, but also to waterproof the partition walls 24, 25 between the individual chambers to connect to the lid 10.

Das Brausebodenelement 20 ist durch Stege 24, 25 in mehrere Kammern 21, 22, 23 geteilt, wobei die Stege24, 25 sich von einer Bodenfläche 33, welche mit Düseneinsätzen versehen ist, bis unter den Deckel 10 erstrecken. Jede der Kammern 21, 22, 23 besitzt bei diesem Ausführungsbeispiel an der Bodenfläche 33 unterschiedliche Düseneinsätze, so dass sich unterschiedliche Wasserstrahlen und damit unterschiedliche Funktionszonen ergeben.The shower base element 20 is divided by webs 24, 25 into a plurality of chambers 21, 22, 23, the webs 24, 25 extending from a bottom surface 33, which is provided with nozzle inserts, below the lid 10. Each of the chambers 21, 22, 23 has in this embodiment at the bottom surface 33 different nozzle inserts, so that there are different water jets and thus different functional zones.

Die Kammern 21, 22, 23 werden von Zulauföffnungen 26.1, 26.2, 26.3, die sich an der äußeren, zylindrischen Mantelfläche des Brausekopfes 30 befinden, angeströmt. Dabei sind Strömungskanäle 27, 28 vorgesehen, die jeweils durch die anderen Kammern 21, 22 hindurch die innen liegenden Kammern 22, 23 versorgen und die im vorliegenden Ausführungsbeispiel nach Art eines Flaschenhalses verjüngt sind.The chambers 21, 22, 23 are of inlet openings 26.1, 26.2, 26.3, which are located on the outer cylindrical surface of the shower head 30, flows. In this case, flow channels 27, 28 are provided, each through the other chambers 21, 22 through the inner chambers 22, 23 supply and in the present embodiment are tapered in the manner of a bottleneck.

Wird Wasser durch die Zulauföffnung 26.1 in die innere Kammer 23 im Zentrum geleitet, so wird unmittelbar hinter der Zulauföffnung 26.1 durch die Verjüngung in dem zwischen den Stegen 24 und 25 gebildeten Strömungskanal 27 eine Erhöhung der Strömungsgeschwindigkeit erreicht.If water is passed through the inlet opening 26.1 into the inner chamber 23 in the center, an increase in the flow velocity is achieved immediately behind the inlet opening 26.1 by the taper in the flow channel 27 formed between the webs 24 and 25.

Wie in Figur 1 erkennbar, ist der in die zentrale Kammer 23 führende Strömungskanal 27 sehr schmal und darüber hinaus mehrfach abgewinkelt. Bei den üblichen Druckverhältnissen im Hauswassernetz sind Druck und Strömungsgeschwindigkeit genau passend, um mit den in der Kammer 23 vorhandenen Düsen relativ harte Wasserstrahlen zu erzeugen.As in FIG. 1 recognizable, leading into the central chamber 23 flow channel 27 is very narrow and moreover angled several times. In the usual pressure conditions in the domestic water network pressure and flow rate are precisely suitable to produce relatively hard water jets with the existing in the chamber 23 nozzles.

Wird die mittlere Zulauföffnung 26.2 angeströmt, so gelangt das Wasser über den Strömungskanal 28 in die mittlere, ringförmige Kammer 22, wo Miniperlatoren als Düsen vorgesehen sind, die jeweils einen weichen Strahl erzeugen. Hierfür wird mehr Wasser benötigt als für das in der zentralen Kammer 23 erzeugte Strahlbild. Entsprechend ist die Verjüngung im Strömungskanal 28 weniger ausgeprägt als in dem zur zentralen Kammer 23 führenden Strömungskanal 27.When the central inlet opening 26.2 flows, the water passes via the flow channel 28 into the central, annular chamber 22, where mini-aerators are provided as nozzles, which each generate a soft jet. For this purpose, more water is needed than for the spray pattern generated in the central chamber 23. Accordingly, the taper in the flow channel 28 is less pronounced than in the leading to the central chamber 23 flow channel 27th

Die äußere Kammer 21 besitzt den größten Flächenanteil an der Bodenfläche, da über die Düsen in dieser Kammer möglichst weiche Strahlen abgegeben werden sollen. Die mit Düsen bestückte Bodenfläche beginnt unmittelbar hinter der Zulauföffnung 26.3, wo dann eine sehr hohe Strömungsgeschwindigkeit anliegt, welche bei dem bisher bekannten Brausekopf dazu führt, dass nach dem Prinzip einer Venturi-Düse in einem der Zulauföffnung 26.3 benachbarten Bereich nicht Wasser aus den Düsen abgegeben wird, sondern Umgebungsluft von den Düsen angesaugt wird.The outer chamber 21 has the largest surface portion of the bottom surface, as the softest rays are to be delivered via the nozzles in this chamber. The equipped with nozzles bottom surface begins immediately behind the inlet opening 26.3, where then a very high flow rate is applied, which leads to the previously known shower head to that according to the principle of a Venturi nozzle In one of the inlet opening 26.3 adjacent area not water is discharged from the nozzles, but ambient air is sucked from the nozzles.

Zu diesem Zweck ist nach der Erfindung vorgesehen, einen zusätzlichen Strömungskanal in denjenigen Kammern vorzusehen, in denen eine zu hohe Strömungsgeschwindigkeit zu Problemen im Strahlbild führt.For this purpose, it is provided according to the invention to provide an additional flow channel in those chambers in which an excessively high flow velocity leads to problems in the jet pattern.

Im dargestellten Ausführungsbeispiel ist nur die äußere Kammer 21 betroffen. An der Unterseite des Deckels 10 ist ein Strömungskanal 11 angeformt, der durch seitliche Strömungskanalwände 12, 13 begrenzt ist.In the illustrated embodiment, only the outer chamber 21 is affected. On the underside of the lid 10, a flow channel 11 is formed, which is bounded by lateral flow channel walls 12, 13.

Beim Aufsetzen des Deckels 10 auf das Brausebodenelement 20 werden die Strömungskanalwände 12, 13 in der Kammer 21 platziert, wie in Figur 2 dargestellt, wo zur besseren Darstellung die Deckelplatte entfernt ist.When placing the lid 10 on the shower base 20, the flow channel walls 12, 13 are placed in the chamber 21, as in FIG FIG. 2 represented where for better illustration, the cover plate is removed.

Die Strömungskanalwände 12, 13 begrenzen seitlich den Strömungskanal 11, welcher unmittelbar hinter der Zulauföffnung 26.3 beginnt und sich als Kreisbogen mit einem Winkel von mehr als 270° bis in einen Mündungsbereich 15 erstreckt. Durch den Strömungskanal 11 ist die äußere Kammer 21 in zwei bogenförmige Teilkammern 21.1, 21.2 unterteilt.The flow channel walls 12, 13 bound laterally the flow channel 11, which begins immediately behind the inlet opening 26.3 and extends as a circular arc at an angle of more than 270 ° to a mouth region 15. Through the flow channel 11, the outer chamber 21 is divided into two arcuate sub-chambers 21.1, 21.2.

Über wenigstens einen Teil der Länge des Strömungskanals 11 sind dessen Strömungskanalwände 12, 13 mit Überströmöffnungen 16 oder Überströmkanten 12.1 versehen, über welche ein stark abgebremster Eintritt von Wasser in die seitlich neben dem Strömungskanal 11 liegenden Teilkammern 21.1, 21.2 möglich ist.Over at least part of the length of the flow channel 11, the flow channel walls 12, 13 are provided with overflow openings 16 or overflow edges 12.1, via which a strongly decelerated entry of water in the laterally adjacent to the flow channel 11 sub-chambers 21.1, 21.2 is possible.

Bei dem in Figur 2 dargestellten Ausführungsbeispiel eines Brausekopfes 30 haben die Strömungskanalwände 12, 13, eine Höhe, welche geringfügig kleiner ist als die lichte Höhe in der Kammer 21, so dass sich unterhalb der Überströmkanten 12.1 eine Leckströmung bilden kann, die ausreichend ist, um mit stark geminderter Strömungsgeschwindigkeit die Teilkammern 21.1, 21.2 zu füllen.At the in FIG. 2 illustrated embodiment of a shower head 30, the flow channel walls 12, 13, a height which is slightly smaller than the clear height in the chamber 21, so that below the overflow edges 12.1 can form a leakage flow, which is sufficient to greatly reduced flow velocity the Subchambers 21.1, 21.2 to fill.

Im dargestellten Ausführungsbeispiel sind noch einige beispielsweise schlitzförmige Überströmöffnungen 16 in die äußere Strömungskanalwand 12 eingebracht. Diese können vorgesehen sein, um an bestimmten Stellen gezielt höhere Fließraten in die Teilkammern 21.1, 21. hinein bewirken zu können.In the illustrated embodiment, some example, slot-shaped overflow openings 16 are introduced into the outer flow channel wall 12. These can be provided in order to be able to specifically effect higher flow rates into the subcompartments 21.1, 21 at certain points.

Die Überströmöffnungen 16 können beispielsweise durch Lasern nachträglich in die Strömungskanalwände 12, 13 eingebracht werden.The overflow openings 16 can be introduced later into the flow channel walls 12, 13, for example by means of lasers.

Bei der in Figur 3 dargestellten Ausführungsform eines Brausekopfes 30' stimmt der Grundaufbau mit dem Brausekopf 30 nach Figur 2 überein. Unterschiedlich ist nur, dass die Überströmöffnungen 16' in alternierender Folge mit tiefer reichenden Abschnitten an der Unterkante der Strömungskanalwände 12', 13' angebracht sind, so dass sich eine zinnenartige Struktur ergibt. Diese hat den Vorteil, dass die Strömungskanalwände mit ihren weiter nach unten ragenden Teilbereichen mit dem Boden verschweißt werden können, wodurch sich die Stabilität des Brauskopfes insgesamt erhöht. Durch Variationen von Anzahl, Länge und Abstand der "Zinnen" kann außerdem wieder gezielt eine lokale Erhöhung beziehungsweise Minderung der Strömungsgeschwindigkeit des in die Teilkammern 21.1, 21.2 führenden Wasserstroms erreicht werden.At the in FIG. 3 illustrated embodiment of a shower head 30 'is the basic structure with the shower head 30 after FIG. 2 match. The only difference is that the overflow openings 16 'in an alternating sequence with deeper reaching sections at the lower edge of the flow channel walls 12', 13 'are mounted, so that there is a crenellated structure. This has the advantage that the flow channel walls can be welded with their further downwardly projecting portions with the ground, which increases the overall stability of the showerhead. By varying the number, length and distance of the "battlements" can also targeted again a local increase or decrease the flow rate of the leading into the sub-chambers 21.1, 21.2 water flow can be achieved.

In Figur 4 ist eine vollständige Handbrause 40 angedeutet, wie sie an sich aus der DE 10 2007 002 894 B3 bekannt ist.In FIG. 4 is a complete hand shower 40 indicated, as she herself from the DE 10 2007 002 894 B3 is known.

Dabei ist der der Brausekopf 20 in einem Handbrausengehäuse 46 drehbar gelagert. Das Handbrausengehäuse enthält in einem Kopfbereich 46 ein Lager zur Aufnahme des Brausekopfes 20, der so um eine Drehachse 47 rotierbar angeordnet ist. Zum Drehen greift der Benutzer den Brausekopf 30 an einem Knauf 31.In this case, the shower head 20 is rotatably mounted in a hand shower housing 46. The hand shower housing contains in a head region 46 a bearing for receiving the shower head 20, which is arranged rotatable about a rotation axis 47. To rotate, the user grips the shower head 30 on a knob 31.

An den Kopfbereich 46 schließt sich ein Stielbereich 45 an, über den die Handbrause 40 z. B. in einer Halterung aufgenommen werden kann.At the head portion 46, a handle portion 45 connects, over which the hand shower 40 z. B. can be accommodated in a holder.

Durch den Stielbereich 45 ist eine nicht dargestellte Leitung geführt, die an einem Anschlussstutzen 43 eines Zulaufelements 42 mündet. Eine Kragplatte 44 ist in der Form der Rundung des Außenrandes des Brausekopfes 30 nachgebildet und in hakenförmigen Überständen 34 formschlüssig geführt. Darüber kann jeweils eine Auslauföffnung im Zulaufelement 42 direkt vor einer der Zulauföffnungen 26.2, 26.3 am Außenrand des Brausekopfes 30 platziert werden. Damit wird immer nur diejenige Funktionszone angeströmt, deren Zulauföffnung 26.1 ... 26.3 der Auslauföffnung im Zulaufelement 42 direkt gegenüber liegt.Through the stem portion 45, a line, not shown, is guided, which opens at a connecting piece 43 of a feed element 42. A cantilever plate 44 is modeled in the shape of the rounding of the outer edge of the shower head 30 and guided in a form-fitting manner in hook-shaped projections 34. In each case, an outlet opening in the inlet element 42 can be placed directly in front of one of the inlet openings 26.2, 26.3 on the outer edge of the shower head 30. Thus, only that functional zone is always flown, the inlet opening 26.1 ... 26.3 of the outlet opening in the feed element 42 is directly opposite.

Claims (12)

  1. Hand-held shower (40) having a shower head (30; 30') which has at least one inner chamber (21, 22, 23), with a multiplicity of nozzle openings in the base surface (33), and, on the outer circumference, at least one supply opening (26.1, 26.2, 26.3) per inner chamber (21, 22, 23), which supply opening (26.1, 26.2, 26.3) can have flow directed towards it in each case by means of a supply element (42) integrated in the hand-held-shower housing (46),
    characterized in that at least one inner chamber (21, 22, 23) can have flow directed towards it via a flow channel (11) which has at least one overflow opening (16) and/or one overflow edge (12.1), by way of which overflow opening (16) or overflow edge (12.1) the flow channel (11) is connected to the chamber (21).
  2. Hand-held shower (40) according to Claim 1, characterized in that the flow channel (11) is separated off from the chamber (21, 22, 23) by at least one lateral flow-channel wall (12, 13).
  3. Hand-held shower (40) according to Claim 2, characterized in that the flow channel is formed by two flow-channel walls (12, 13) and is placed in a chamber (21), which is divided into two sub-chambers (21.1, 21.2) by the flow channel (11).
  4. Hand-held shower (40) according to Claim 1, characterized in that the flow channel (11) is formed by at least one hose element or a tube element arranged in the chamber (21, 22, 23).
  5. Hand-held shower (40) according to one of Claims 1 to 4, characterized in that the flow channel (11) opens out in a mouth-opening region (15) in the chamber (21), said mouth-opening region being remote from the supply opening (26.3).
  6. Hand-held shower (40) according to one of Claims 1 to 6, characterized in that the flow channel (11), at least in a region adjacent to the supply opening (26.3), has at least one lateral overflow opening (16) in the flow-channel wall (12, 13), by way of which overflow opening the flow channel (11) is connected to the chamber (21).
  7. Hand-held shower (40) according to one of Claims 1 to 6, characterized in that partition walls (24, 25) and the flow channel are each arranged on a circular path in relation to a centre axis (37) of the shower head (30).
  8. Hand-held shower (40) according to one of Claims 1 to 7, characterized in that the gap width in the overflow opening (16) is 1/10 to 1/20 of the height of the flow-channel wall (12, 13).
  9. Hand-held shower (40) according to one of Claims 1 to 7, characterized in that the gap width between the overflow edge (12.1) and the base or the cover (10) is 1/10 to 1/20 of the height of the flow-channel wall (12, 13).
  10. Hand-held shower (40) according to one of Claims 1 to 9, characterized in that at least one partition wall (24, 25), which extends between a cover (10) and a base (33) provided with a multiplicity of nozzle openings, subdivides the shower head (30; 30') into a plurality of chambers (21, 22, 23) which are assigned to different functional zones.
  11. Hand-held shower (40) according to Claim 10, characterized in that at least one inner chamber (22, 23) opens out at a supply opening (26.1, 26.2) via at least one flow channel (27, 28), which is formed within the shower head (30; 30') and has at least one cross-sectional tapering.
  12. Hand-held shower (40) according to one of the preceding claims, characterized in that the shower head (30; 30') is mounted in a rotatable manner in the hand-held-shower housing.
EP10720007.3A 2009-04-30 2010-04-30 Hand shower Not-in-force EP2424676B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910002744 DE102009002744B3 (en) 2009-04-30 2009-04-30 Handheld shower
PCT/EP2010/055939 WO2010125197A1 (en) 2009-04-30 2010-04-30 Hand shower

Publications (2)

Publication Number Publication Date
EP2424676A1 EP2424676A1 (en) 2012-03-07
EP2424676B1 true EP2424676B1 (en) 2013-10-30

Family

ID=42263131

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10720007.3A Not-in-force EP2424676B1 (en) 2009-04-30 2010-04-30 Hand shower

Country Status (5)

Country Link
EP (1) EP2424676B1 (en)
CN (1) CN102427887B (en)
DE (1) DE102009002744B3 (en)
RU (1) RU2525128C2 (en)
WO (1) WO2010125197A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK154084A (en) * 1983-03-21 1984-09-22 Teuco Guzzini Srl SHOWER SHOWER EQUIPMENT
FR2654954B1 (en) * 1989-11-27 1993-08-27 Tournier Pierre APPARATUS WITH SPRINKLER FOR EQUIPPING SHOWERS OR SHOWERS.
DE10005686A1 (en) * 2000-02-09 2001-08-16 Hansgrohe Ag Shower head has water jet emerging from outlet opening in certain direction which can be changed continuously relative to housing through water-driven device
DE10017044A1 (en) * 2000-04-05 2001-10-11 Hansgrohe Ag Multi-way valve for sanitary fittings
US6641057B2 (en) * 2000-12-12 2003-11-04 Water Pik, Inc. Shower head assembly
DE102007002894B3 (en) * 2007-01-15 2008-09-18 Kludi Gmbh & Co. Kg Handheld shower

Also Published As

Publication number Publication date
CN102427887B (en) 2015-04-01
CN102427887A (en) 2012-04-25
RU2011148602A (en) 2013-06-10
WO2010125197A1 (en) 2010-11-04
EP2424676A1 (en) 2012-03-07
RU2525128C2 (en) 2014-08-10
DE102009002744B3 (en) 2010-07-22

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