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EP0407547A1 - Spray nozzle for a sink unit tap system. - Google Patents

Spray nozzle for a sink unit tap system.

Info

Publication number
EP0407547A1
EP0407547A1 EP90902218A EP90902218A EP0407547A1 EP 0407547 A1 EP0407547 A1 EP 0407547A1 EP 90902218 A EP90902218 A EP 90902218A EP 90902218 A EP90902218 A EP 90902218A EP 0407547 A1 EP0407547 A1 EP 0407547A1
Authority
EP
European Patent Office
Prior art keywords
shower
bypass line
outlet
spray
normal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP90902218A
Other languages
German (de)
French (fr)
Other versions
EP0407547B1 (en
Inventor
Heinrich Moench
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.)
Ideal Standard GmbH
Original Assignee
Ideal Standard GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ideal Standard GmbH filed Critical Ideal Standard GmbH
Priority to AT90902218T priority Critical patent/ATE76786T1/en
Publication of EP0407547A1 publication Critical patent/EP0407547A1/en
Application granted granted Critical
Publication of EP0407547B1 publication Critical patent/EP0407547B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B05B1/16—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
    • B05B1/1609—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 lift valve
    • B05B1/1618—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 lift valve where said valve is a double-seat lift valve
    • 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
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/62—Arrangements for supporting spraying apparatus, e.g. suction cups

Definitions

  • the invention relates to a shower head for a sink mixer or the like, which is suitable for connection to a low-pressure storage (open hot water storage) with a water inlet, a central jet outlet, in particular arranged in the center, a shower outlet with a large number of small shower holes surrounding the normal jet outlet concentrically and a diverter valve, the diverter valve connecting the normal jet outlet to the water inlet in a normal position and separating the shower outlet from the water inlet and connecting the shower outlet to the water inlet in a shower position and separating the normal jet outlet from the water inlet
  • a low-pressure storage open hot water storage
  • the known shower head from which the invention is based (IDEAL STANDARD prospect "CERAMIX COMBI" W 5382 S) is intended and suitable in particular for a sink mixer, but a corresponding design of a shower head can also be used on other batteries, in particular mixer taps It is essential for such a shower head that it allows operation in two jet types, namely on the one hand with a normal jet and on the other hand with a shower jet.
  • the normal jet emerges at a normal jet outlet through a conventional turbulator or the like.
  • the shower jet on the other hand, exits through a large number of small shower holes in a shower spout. In most cases, shower holes in the shower spout are arranged concentrically around the normal jet outlet.
  • a bypass line which is effective in the shower position, is provided between the water inlet and the normal jet outlet and in that the flow resistance of the bypass line is greater than the flow resistance of the shower outlet at Pour the shower not added, but the maximum back pressure that occurs in front of the bypass line with the shower holes added is smaller than the burst pressure of an assigned low-pressure accumulator. It goes without saying that such a shower head is fully suitable for the connection to a low-pressure accumulator owing to the design according to the invention, but can also be used with sink batteries or the like connected to it.
  • a first part of the invention lies in the knowledge that the bursting of a low-pressure accumulator when switching over to a shower head of the type in question can occur when the shower holes in the shower spout are completely or largely clogged by dirt or limescale .
  • the bursting of a low-pressure accumulator when switching over to a shower head of the type in question can occur when the shower holes in the shower spout are completely or largely clogged by dirt or limescale .
  • bypass line takes over the function of the shower outlet largely or entirely, even if, due to the higher flow resistance, at a higher pressure level than with non-clogged shower holes.
  • the flow resistance of the bypass line is dimensioned so that a pressure shock that becomes moderately dangerous for the low-pressure accumulator cannot occur.
  • Fig. 1 is a perspective view of a sink mixer with an attached shower head and
  • Fig. 2 shows the shower head from Fig. 1 in a section.
  • the shower head 1 shown in Fig. 1 and Fig. 2 is intended and suitable for a sink mixer 2, which can be a mixer tap, in particular a lever mixer tap, as shown, but which can also be a pure Ka water or a pure hot water battery . Such a shower head can also be used for other Armatu, in particular other mixer taps.
  • 1 recognizable shower head 1 has a handle 3, on which you can handle this shower head 1. To the. Handle 3 closes into the hose in the sink mixer 2, which cannot be seen here, so that the shower head 1 can be handled relatively freely.
  • the shower head 1 according to the invention is intended and suitable for a sink mixer 2 or the like, which should be particularly suitable for connection to a low-pressure store (open hot water store).
  • a low-pressure store open hot water store
  • a shower head 1 according to the invention can also be used in conjunction with other water supply systems.
  • the shower head first has a water inlet 4 which receives water from a hose or other connection (not shown) via an inlet line 5 in the handle 3.
  • the water inlet opens into a receiving chamber 6 in the shower head 1, which is followed by a normal jet outlet 7 arranged approximately itti in the shower head 1.
  • a normal turbulator 8 is arranged downstream of this normal jet outlet 7.
  • the normal jet outlet 7 concentrically surrounds a shower outlet 9 with a large number of small shower holes 10, which can also be seen in FIG. 1. 1 makes it clear that this shower head 1 can be switched over from operation with normal jet 11 to operation with shower jet 12.
  • a changeover valve 13 is used for this changeover, which in turn can now be clearly seen in FIG. 2.
  • the diverter valve 13 connects in a normal position of the normal jet outlet 7 with the water inlet 4 and separates the bra sea outlet 9 from the water inlet 4. This position is also shown in FIG.
  • the diverter valve 13 serves as a moisture-proof seal out button 14 on the top of the shower head 1, which can counteract the force of a spring element 15, a valve body 16 in the axial direction a when you press this button 14.
  • the valve body is in the embodiment shown in FIG. 2, that is in the normal position, in sealing contact with an upper valve seat 17, so that there is a direct connection between the receiving chamber 6 and the normal jet outlet 7. If you press the push button 14, the valve body 16 is countered the effect of the spring element 15 pressed down, thereby being lifted from the valve seat 17 and brought to bear against the valve seat 18 ' .
  • the valve body 16 sits here in the rest of a ring on a piston rod 19 which can be axially displaced v the push button 14 forth.
  • this is only a possible embodiment of such a changeover valve 13.
  • the diverter valve 13 is in the shower position in which the receiving chamber 6 is connected directly to a shower chamber 20, which in turn is connected to the shower spout 9.
  • bypass valve 13 an effective bypass line 21 is provided in the shower position between the water inlet 4 and the normal jet outlet 7 and that the flow resistance of the bypass line 21 is greater than the flow resistance of the shower outlet 9 when the shower holes 10 are not clogged, but before the Bypass line 21 with clogged shower holes 10, the maximum operating pressure occurring in operation is less than the burst pressure of an associated low-pressure accumulator.
  • bypass line 21 is integrated in detail in the changeover valve 13 is open to a large number of variations.
  • the bypass line to the changeover valve 13 can be arranged to a certain extent in parallel.
  • the bypass device 21 is arranged in the valve body 16 of the changeover valve 13. This is shown in dashed lines.
  • This integrated design has the advantage that the construction of the known shower head 1 as such can be left completely unchanged and only has to replace the valve body 16 in order to arrive at the shower head 1 according to the invention.
  • valve body 16 d of the shower head 1 according to the invention in the exemplary embodiment shown here is known per se and is a seat valve body which can be displaced in the axial direction.
  • the bypass line 21 is designed as a central, axial channel in the valve body 16.
  • the design here is so ge that the valve body 16 is arranged on a piston rod 19 which has the central axial channel and the piston rod 19 is open at the end facing the normal jet outlet 7 and on the side facing the shower spout 9 a side Inlet opening 22 has for the channel forming the bypass line 21 or a part of the bypass line.
  • the teaching of the invention includes the measure to design the flow resistance de bypass line 21 so that the maximum dynamic pressure occurring before the bypass line 21 is less than the burst pressure of an assigned low-pressure accumulator.
  • a coordination to different burst pressures is achieved in a particularly simple manner in that an insert which limits the effective flow resistance is used interchangeably in the bypass line.
  • bypass line 21 is always open, so that the aforementioned slight leakage current can occur.
  • a more complicated measure which, however, certainly excludes this leakage current when the shower holes 10 are not clogged, consists in arranging a pressure-dependent opening valve in the bypass line 21. This is not shown here.

Landscapes

  • Nozzles (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)
  • Domestic Plumbing Installations (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Massaging Devices (AREA)
  • Devices For Medical Bathing And Washing (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Safety Valves (AREA)

Abstract

PCT No. PCT/EP90/00132 Sec. 371 Date Nov. 26, 1990 Sec. 102(e) Date Nov. 26, 1990 PCT Filed Jan. 24, 1990 PCT Pub. No. WO90/08598 PCT Pub. Date Aug. 9, 1990.A spray head (1) for a sink faucet (2) or the like that is suited for connection to a low-pressure storage tank (open hot water storage tank), with a water feed (4), a normal jet discharge (7) placed centrally in particular, a spray discharge (9) placed in particular surrounding normal jet discharge (7) concentrically and with a multiplicity of small spray holes (10), and a reversing valve (13) in which, in the normal position, reversing valve (13) connects normal jet discharge (7) to water feed (4) and separates spray discharge (9) from water feed (4) and, in a spray position, connects spray discharge (9) to water feed (4) and separates normal jet discharge (7) from water feed (4), is completely suited for use in connection with a low-pressure storage tank by a bypass pipe (21) that acts in the spray position being provided in reversing valve (13) between water feed (4) and normal jet discharge (7) and the flow resistance of bypass pipe (21) being greater than the flow resistance of spray discharge (9) when spray holes (10) are not added, but the operationally maximum dynamic pressure occurring upstream from bypass pipe (21) when spray holes (10) are added being smaller than the bursting pressure of an allocated low-pressure storage tank.

Description

Brausekopf für eine Spültischbatterie od. dgl.Shower head for a sink mixer or the like
Die Erfindung betrifft einen Brausekopf für eine Spültischbatterie od. dgl. die für den Anschluß an einen Niederdruckspeicher (offener Heißwasserspeich geeignet ist, mit einem Wasserzulauf, einem, insbesondere mittig angeordnet Normalstrahlauslauf, einem, insbesondere den Normalstrahlauslauf konzentris umgebend angeordneten Brauseauslauf mit einer Vielzahl kleiner Brauselöcher und einem Umstellventil, wobei das Umstellventil in einer NormalStellung de Normalstrahlauslauf mit dem Wasserzulauf verbindet und den Brauseauslauf vo Wasserzulauf abtrennt und in einer Brausestellung den Brauseauslauf mit dem Wasserzulauf verbindet und den Normalstrahlauslauf vom Wasserzulauf abtrennThe invention relates to a shower head for a sink mixer or the like, which is suitable for connection to a low-pressure storage (open hot water storage) with a water inlet, a central jet outlet, in particular arranged in the center, a shower outlet with a large number of small shower holes surrounding the normal jet outlet concentrically and a diverter valve, the diverter valve connecting the normal jet outlet to the water inlet in a normal position and separating the shower outlet from the water inlet and connecting the shower outlet to the water inlet in a shower position and separating the normal jet outlet from the water inlet
Der bekannte Brausekopf, von dem die Erfindung ausgeht (IDEAL-STANDARD-Pros pekt "CERAMIX COMBI" W 5382 S), ist insbesondere für eine Spültischbatteri bestimmt und geeignet, eine entsprechende Konstruktion eines Brausekopfs ka aber auch an anderen Batterien, insbesondere Mischbatterien, Verwendung fin Wesentlich für einen solchen Brausekopf ist dabei, daß er den Betrieb in zw Strahlarten erlaubt, nämlich einerseits mit einem Normalstrahl, andererseit mit einem Brausestrahl. Der Normalstrahl tritt an einem Normalstrahlauslauf durch einen üblichen Turbulator od. dgl. aus. Der Brausestrahl hingegen tri durch eine Vielzahl kleiner Brauselöcher eines Brauseauslaufs aus. In den meisten Fällen sind Brauselöcher des Brauseauslaufs konzentrisch um den Nor malstrahlauslauf herum angeordnet.The known shower head from which the invention is based (IDEAL STANDARD prospect "CERAMIX COMBI" W 5382 S) is intended and suitable in particular for a sink mixer, but a corresponding design of a shower head can also be used on other batteries, in particular mixer taps It is essential for such a shower head that it allows operation in two jet types, namely on the one hand with a normal jet and on the other hand with a shower jet. The normal jet emerges at a normal jet outlet through a conventional turbulator or the like. The shower jet, on the other hand, exits through a large number of small shower holes in a shower spout. In most cases, shower holes in the shower spout are arranged concentrically around the normal jet outlet.
Ist ein zuvor erläuterter, bekannter Brausekopf an eine zentrale Kaltwasser sorgung und/oder Warmwasserversorgung angeschlossen, so ergeben sich keine größeren Anschlußprobleme. Das gleiche gilt bei Anschluß an einen Durchlaufe hitzer. Bei Anschluß an einen Niederdruckspeicher, also einen offenen Hei߬ wasserspeicher, muß man aber beachten, daß der Druck im Niederdruckspeicher keinesfalls so hoch steigen darf, daß ein Bersten des Niederdruckspeichers zu befürchten ist. Das hier angesprochene Berstproblem ist für Einhebelmisc allgemein erkannt worden und hat dazu geführt, daß man mit fest eingebauten Drosseln arbeitet, die den Wasserdurchfluß konstant halten, auch wenn sich Wasserdruck ändert. Ungeachtet der Anwendung an sich bekannter Maßnahmen zur Verhinderung des Berstens eines Niederdruckspeichers hat es sich gezeigt, daß bei Einsatz des bekannten Brausekopfes nach wie vor eine Berstgefahr dann besteht, wenn bei maximaler Durchflußrate des Wassers von Normalstellung auf Brause¬ stellung umgeschaltet wird. Dieses für diesen Brausekopf spezifische Berst¬ problem bedarf einer Lösung, so daß der Lehre der Erfindung die Aufgabe zu¬ grundeliegt, einen für den Einsatz in Verbindung mit einem Niederdruckspei¬ cher vollständig geeigneten Brausekopf anzugeben.If a previously described, known shower head is connected to a central cold water supply and / or hot water supply, there are no major connection problems. The same applies when connecting to a continuous heat. When connecting to a low-pressure accumulator, that is to say an open hot-water accumulator, one must note that the pressure in the low-pressure accumulator must never rise so high that the low-pressure accumulator is likely to burst. The burst problem mentioned here has been generally recognized for single-lever mix and has led to the fact that one works with fixed throttles which keep the water flow constant, even if water pressure changes. Regardless of the use of measures known per se for preventing the bursting of a low-pressure accumulator, it has been shown that there is still a risk of bursting when the known shower head is used when the water is switched from normal position to shower position at the maximum flow rate. This bursting problem, which is specific to this shower head, requires a solution, so that the teaching of the invention is based on the object of specifying a shower head which is completely suitable for use in conjunction with a low-pressure accumulator.
Die zuvor aufgezeigte Aufgabe ist bei dem Brausekopf, von dem die Erfindung ausgeht, dadurch gelöst, daß im Umstellventil eine in Brausestellung wirk¬ same Bypassleitung zwischen dem Wasserzulauf und dem Normalstrahlauslauf vorgesehen ist und daß der Strömungswiderstand der Bypassleitung größer ist als der Strömungswiderstand des Brauseauslaufs bei nicht zugesetzten Brause löchern, aber der vor der Bypassleitung bei zugesetzten Brauselöchern betri mäßig maximal auftretende Staudruck kleiner ist als der Berstdruck eines zu geordneten Niederdruckspeichers. Es versteht sich von selbst, daß ein solch Brausekopf durch die erfindungsgemäße Ausgestaltung in vollem Umfange für d Anschluß an einen Niederdruckspeϊcher geeignet ist, aber ebenso auch mit an ders angeschlossenen Spültischbatterien od. dgl. eingesetzt werden kann. Ei erster Teil der Erfindung liegt in der Erkenntnis, daß das Bersten eines Niederdruckspeichers bei dem oben erläuterten Umschalten an einem Brausekop der in Rede stehenden Art dann auftreten kann, wenn die Brauselöcher des Brauseauslaufs vollständig oder zum großen Teil durch Schmutz oder Kalkan¬ satz zugesetzt sind. Beim Umschalten aus der Normalstellung mit geringem Strömungswiderstand in die Brausestellung ergibt sich in diesem Fall ein starker Druckschlag, da die Wasserströmung praktisch plötzlich blockiert wird. Ob eine solche Situation auftritt oder nicht, ist vom Hersteller nich mehr zu beeinflussen, hängt vielmehr nur von der Sorgfalt ab, mit der der B nutzer die Brauselöcher des Brauseaus1aufs offen hält. Als zweiter Teil der findung ist nun, entgegen dem eigentlichen Wunsch, eine wirksame Umschaltun zwischen NormalStellung und Brausestellung zu realisieren, für die Brauses lung ein weiterer Strömungsweg geschaffen worden, der immer geöffnet ist un der sich auch mit Schmutz oder Kalkablagerungen normalerweise kaum zusetze kann. Durch die Abstimmung des Strömungswiderstands dieser Bypassleitung be zogen auf den Strömungswiderstand des Brauseauslaufs bei nicht zugesetzten Brauselöchern wird erfindungsgemäß erreicht, daß normalerweise allenfalls eine geringfügige Leckströmung durch die Bypassleitung in den Normalstrahl¬ auslauf strömt. Diese Leckströmung ist, selbst wenn sie auftreten sollte,.in der Praxis nicht störend. Bei Umschaltung aus der NormalStellung in die Bra stellung im Falle zugesetzter Brauselöcher übernimmt aber die Bypassleitung strömungstechnisch die Funktion des Brauseauslaufs weitgehend oder gänzlich wenn auch, wegen des höheren Strömungswiderstandes, auf einem höheren Druc niveau als bei nicht zugesetzten Brauselöchern. Der Strömungswiderstand der Bypassleitung ist dabei so bemessen, daß ein für den Niederdruckspeicher dr mäßig gefährlich werdender Druckschlag nicht auftreten kann.The above-mentioned object is achieved in the shower head from which the invention is based in that a bypass line, which is effective in the shower position, is provided between the water inlet and the normal jet outlet and in that the flow resistance of the bypass line is greater than the flow resistance of the shower outlet at Pour the shower not added, but the maximum back pressure that occurs in front of the bypass line with the shower holes added is smaller than the burst pressure of an assigned low-pressure accumulator. It goes without saying that such a shower head is fully suitable for the connection to a low-pressure accumulator owing to the design according to the invention, but can also be used with sink batteries or the like connected to it. A first part of the invention lies in the knowledge that the bursting of a low-pressure accumulator when switching over to a shower head of the type in question can occur when the shower holes in the shower spout are completely or largely clogged by dirt or limescale . When switching from the normal position with low flow resistance to the shower position, there is a strong pressure surge in this case, since the water flow is blocked almost suddenly. Whether the situation arises or not can no longer be influenced by the manufacturer, but depends only on the care with which the user keeps the shower holes in the shower spout open. As a second part of the invention, contrary to the actual desire to implement an effective switch between normal position and shower position, a further flow path has been created for the shower solution, which is always open and open which normally can hardly clog with dirt or limescale. By coordinating the flow resistance of this bypass line be based on the flow resistance of the shower spout when the shower holes are not clogged, it is achieved according to the invention that normally only a slight leakage stream flows through the bypass line into the normal jet outlet. This leakage flow, even if it should occur, is not disturbing in practice. When switching from the normal position to the Bra position in the case of clogged shower holes, however, the bypass line takes over the function of the shower outlet largely or entirely, even if, due to the higher flow resistance, at a higher pressure level than with non-clogged shower holes. The flow resistance of the bypass line is dimensioned so that a pressure shock that becomes moderately dangerous for the low-pressure accumulator cannot occur.
Es gibt nun verschiedene Möglichkeiten, die Lehre der Erfindung auszugestal und weiterzubilden, wozu auf die dem Anspruch 1 nachgeordneten Ansprüche ve wiesen werden darf. Im übrigen wird verwiesen auf die nachfolgende Erläuter eines Ausführungsbeispiels anhand der Zeichnung. In der Zeichnung zeigtThere are now various possibilities for embodying and developing the teaching of the invention, for which reference may be made to the claims subordinate to claim 1. For the rest, reference is made to the following explanation of an embodiment with reference to the drawing. In the drawing shows
Fig. 1 in perspektivischer Ansicht eine Spültischbatterie mit daran angeo netem Brausekopf undFig. 1 is a perspective view of a sink mixer with an attached shower head and
Fig. 2 den Brausekopf aus Fig. 1 in einem Schnitt.Fig. 2 shows the shower head from Fig. 1 in a section.
Der in Fig. 1 und Fig. 2 dargestellte Brausekopf 1 ist bestimmt und geeigne für eine Spültischbatterie 2, die eine Mischbatterie, insbesondere eine Ein hebel-Mischbatterie sein kann, wie dargestellt, die aber auch eine reine Ka wasser oder eine reine Warmwasserbatterie sein kann. Auch für andere Armatu insbesondere andereMischbatterien ist ein solcher Brausekopf einsetzbar. De Fig. 1 erkennbare Brausekopf 1 weist einen Handgriff 3 auf, an dem man dies Brausekopf 1 handhaben kann. An den. Handgriff 3 schließt sich ein in das In der Spültischbatterie 2 hinein verlaufender, hier nicht erkennbarer Schlauc so daß der Brausekopf 1 relativ frei gehandhabt werden kann. Wie im allgemeinen Teil der Beschreibung schon ausgeführt worden ist, ist der erfindungsgemäße Brausekopf 1 für eine Spültischbatterie 2 od. dgl. be¬ stimmt und geeignet, die insbesondere für den Anschluß an einen Niederdruck¬ speicher (offener Heißwasserspeicher) geeignet sein soll. In Verbindung mit einem Niederd.ruckspeicher stellt sich das der Lehre zugrundeliegende Problem Gleichwohl ist ein erfindungsgemäßer Brausekopf 1 auch in Verbindung mit an¬ deren Wasserzulaufsystemen einsetzbar.The shower head 1 shown in Fig. 1 and Fig. 2 is intended and suitable for a sink mixer 2, which can be a mixer tap, in particular a lever mixer tap, as shown, but which can also be a pure Ka water or a pure hot water battery . Such a shower head can also be used for other Armatu, in particular other mixer taps. 1 recognizable shower head 1 has a handle 3, on which you can handle this shower head 1. To the. Handle 3 closes into the hose in the sink mixer 2, which cannot be seen here, so that the shower head 1 can be handled relatively freely. As has already been stated in the general part of the description, the shower head 1 according to the invention is intended and suitable for a sink mixer 2 or the like, which should be particularly suitable for connection to a low-pressure store (open hot water store). In connection with a low pressure accumulator, the problem underlying the teaching arises. Nevertheless, a shower head 1 according to the invention can also be used in conjunction with other water supply systems.
Der Brausekopf 1 weist, wie Fig. 2 erkennen läßt, zunächst einen Wasserzulau 4 auf, der über eine Zulaufleitung 5 im Handgriff 3 Wasser aus einem nicht dargestellten Schlauch oder einem anderen Anschluß erhält. Der Wasserzulauf mündet in einer Aufnahmekammer 6 im Brausekopf 1, an die sich ein etwa itti im Brausekopf 1 angeordneter Normalstrahlauslauf 7 anschließt. Diesem Normal strahlauslauf 7 ist hier ein üblicher Turbulator 8 nachgeordnet. Im hier dar gestellten Ausführungsbeispiel umgibt den Normalstrahlauslauf 7 konzentrisch ein Brauseauslauf 9 mit einer Vielzahl kleiner Brauselöcher 10, die auch in Fig. 1 erkennbar sind. Fig. 1 macht dabei deutlich, daß dieser Brausekopf 1 vom Betrieb mit Normalstrahl 11 in den Betrieb mit Brausestrahl 12 umschalt¬ bar ist. Zu dieser Umschaltung dient ein Umstellventil 13, das nun wiederum in Fig. 2 gut zu erkennen ist. Das Umstellventil 13 verbindet in einer Norma stellung des Normalstrahlauslaufs7 mit dem Wasserzulauf 4 und trennt den Bra seauslauf 9 vom Wasserzulauf 4 ab. Diese Stellung zeigt gerade auch Fig, 2. einer Brausestellung hingegen verbindet das Umstellventil 13 den Brauseausl 9 mit dem Wasserzulauf 4 und trennt den Normalstrahlauslauf 7 ab.The shower head 1, as can be seen in FIG. 2, first has a water inlet 4 which receives water from a hose or other connection (not shown) via an inlet line 5 in the handle 3. The water inlet opens into a receiving chamber 6 in the shower head 1, which is followed by a normal jet outlet 7 arranged approximately itti in the shower head 1. A normal turbulator 8 is arranged downstream of this normal jet outlet 7. In the exemplary embodiment presented here, the normal jet outlet 7 concentrically surrounds a shower outlet 9 with a large number of small shower holes 10, which can also be seen in FIG. 1. 1 makes it clear that this shower head 1 can be switched over from operation with normal jet 11 to operation with shower jet 12. A changeover valve 13 is used for this changeover, which in turn can now be clearly seen in FIG. 2. The diverter valve 13 connects in a normal position of the normal jet outlet 7 with the water inlet 4 and separates the bra sea outlet 9 from the water inlet 4. This position is also shown in FIG.
Zur Betätigung des Umstellventils 13 dient eine als Feuchtraumdichtung ausg führte Drucktaste 14 an der Oberseite des Brausekopfes 1 , die entgegen der derkraft eines Federelements 15 einen Ventilkörper 16 in axialer Richtung a zusenken vermag, wenn man auf diese Drucktaste 14 drückt. Der Ventilkörper befindet sich im in Fig. 2 dargestellten Ausführungsbeispiel, also in Norma stellung, in abdichtender Anlage an einem oberen Ventilsitz 17, so daß sich eine direkte Verbindung der Aufnahmekammer 6 mit dem Normalstrahlauslauf 7 gibt. Drückt man auf die Drucktaste 14, so wird der Ventilkörper 16 entgege der Wirkung des Federelements 15 nach unten gedrückt, dabei vom Ventilsitz 17 abgehoben und abdichtend am Ventilsitz 18 zur Anlage gebracht'. Der Venti körper 16 sitzt hier im übrigen ringförmig auf einer Kolbenstange 19, die v der Drucktaste 14 her axial verschoben werden kann. Das ist aber nur ein mö liches Ausführungsbeispiel für ein solches Umstellventil 13.To operate the diverter valve 13 serves as a moisture-proof seal out button 14 on the top of the shower head 1, which can counteract the force of a spring element 15, a valve body 16 in the axial direction a when you press this button 14. The valve body is in the embodiment shown in FIG. 2, that is in the normal position, in sealing contact with an upper valve seat 17, so that there is a direct connection between the receiving chamber 6 and the normal jet outlet 7. If you press the push button 14, the valve body 16 is countered the effect of the spring element 15 pressed down, thereby being lifted from the valve seat 17 and brought to bear against the valve seat 18 ' . The valve body 16 sits here in the rest of a ring on a piston rod 19 which can be axially displaced v the push button 14 forth. However, this is only a possible embodiment of such a changeover valve 13.
In der zuvor an zweiter Stelle erläuterten Funktionsstellung, die in Fig. 2 nicht dargestellt ist, befindet sich das Umstellventil 13 in Brausestellung in der die Aufnahmekammer 6 direkt mit einer Brausekammer 20 verbunden ist, die ihrerseits mit dem Brauseauslauf 9 verbunden ist.In the previously explained second position, which is not shown in FIG. 2, the diverter valve 13 is in the shower position in which the receiving chamber 6 is connected directly to a shower chamber 20, which in turn is connected to the shower spout 9.
Im Grundsatz ist es natürlich anzustreben und bei dem Brausekopf 1, von dem die Erfindung ausgeht, auch realisiert, daß alles durch den Wasserzulauf 4 zulaufende Wasser in NormalStellung durch den Normalstrahlauslauf 7 strömt und in Brausestellung durch die Brauselöcher 10 des Brauseauslaufs 9. Das U stellventil 13 muß also insoweit als echtes Umschaltventil wirken. Von dies grundlegenden, im Stand der Technik verwirklichten Konzept wendet sich die findung ein klein wenig ab, um den erwünschten Berstschutz eines Niederdruc speichers zu erreichen. Erfindungsgemäß gilt nämlich nun, daß im Umstellven 13 eine in Brausestellung wirksame Bypassleitung 21 zwischen dem Wasserzula 4 und dem Normalstrahlauslauf 7 vorgesehen ist und daß der Strömungswiderst der Bypassleitung 21 größer ist als der Strömungswiderstand des Brauseausla 9 bei nicht zugesetzten Brauselöchern 10, aber der vor der Bypassleitung 21 bei zugesetzten Brauselöchern 10 betriebsmäßig maximal auftretende Staudruc kleiner ist als der Berstdruck eines zugeordneten Niederdruckspeichers. Dam werden die weiter oben erläuterten Vorteile erreicht.In principle, it is of course to be aimed at and in the shower head 1, from which the invention is based, also realized that all water flowing in through the water inlet 4 flows in the normal position through the normal jet outlet 7 and in the shower position through the shower holes 10 of the shower outlet 9. The U control valve 13 must therefore act as a real changeover valve. From this basic concept realized in the state of the art, the invention turns away a little in order to achieve the desired burst protection of a low-pressure accumulator. According to the invention, it is now the case that in bypass valve 13 an effective bypass line 21 is provided in the shower position between the water inlet 4 and the normal jet outlet 7 and that the flow resistance of the bypass line 21 is greater than the flow resistance of the shower outlet 9 when the shower holes 10 are not clogged, but before the Bypass line 21 with clogged shower holes 10, the maximum operating pressure occurring in operation is less than the burst pressure of an associated low-pressure accumulator. This achieves the advantages explained above.
Wie die Bypassleitung 21 im einzelnen im Umstellventil 13 integriert wird, einer Vielzahl von Variationen offen. Beispielsweise kann die Bypassleitung zum Umstellventil 13 gewissermaßen parallel angeordnet sein. Im dargestellt und insoweit bevorzugten Ausführungsbeispiel gilt nun aber, daß die Bypassle tung 21 im Ventilkörper 16 des Umstellventils 13 angeordnet ist. Das ist hi gestrichelt dargestellt. Diese integrierte Gestaltung hat den Vorteil, daß die Konstruktion des bekannten Brausekopfes 1 als solche völlig unverändert lassen kann und nur den Ventilkörper 16 auswechseln muß, um zu dem erfindung gemäßen Brausekopf 1 zu gelangen.How the bypass line 21 is integrated in detail in the changeover valve 13 is open to a large number of variations. For example, the bypass line to the changeover valve 13 can be arranged to a certain extent in parallel. In the illustrated and preferred embodiment, however, it now applies that the bypass device 21 is arranged in the valve body 16 of the changeover valve 13. This is shown in dashed lines. This integrated design has the advantage that the construction of the known shower head 1 as such can be left completely unchanged and only has to replace the valve body 16 in order to arrive at the shower head 1 according to the invention.
Wie zuvor schon erläutert worden ist, handelt es sich beim Ventilkörper 16 d erfindungsgemäßen Brausekopfes 1 im hier dargestellten Ausführungsbeispiel i an sich bekannter Weise um einen in axialer Richtung verschiebbaren Sitzvent körper. Hierbei gilt nun, daß die Bypassleitung 21 als mittiger, axialer Kan in dem Ventilkörper 16 ausgeführt ist. Konkret ist die Gestaltung hier so ge troffen, daß der Ventilkörper 16 auf einer den mittigen axialen Kanal aufwei senden Kolbenstange 19 angeordnet ist und die Kolbenstange 19 an dem dem Nor malstrahlauslauf 7 zugewandten Ende stirnseitig offen ist und auf der dem Brauseauslauf 9 zugewandten Seite eine seitliche Eintrittsöffnung 22 für den die Bypassleitung 21 bzw. einen Teil der Bypassleitung bildenden Kanal auf¬ weist.As has already been explained, the valve body 16 d of the shower head 1 according to the invention in the exemplary embodiment shown here is known per se and is a seat valve body which can be displaced in the axial direction. It now applies that the bypass line 21 is designed as a central, axial channel in the valve body 16. Specifically, the design here is so ge that the valve body 16 is arranged on a piston rod 19 which has the central axial channel and the piston rod 19 is open at the end facing the normal jet outlet 7 and on the side facing the shower spout 9 a side Inlet opening 22 has for the channel forming the bypass line 21 or a part of the bypass line.
Die Lehre der Erfindung beinhaltet die Maßnahme, den Strömungswiderstand de Bypassleitung 21 so zu gestalten, daß der vor der Bypassleitung 21 betriebs mäßig maximal auftretende Staudruck kleiner ist als der Berstdruck eines zu geordneten Niederdruckspeichers. Eine Abstimmung auf unterschiedliche Berst drücke gelingt auf ganz besonders einfacher Weise dadurch, daß in der Bypas leitung ein den wirksamen Strömungswiderstand begrenzender Einsatz auswechs bar eingesetzt ist.The teaching of the invention includes the measure to design the flow resistance de bypass line 21 so that the maximum dynamic pressure occurring before the bypass line 21 is less than the burst pressure of an assigned low-pressure accumulator. A coordination to different burst pressures is achieved in a particularly simple manner in that an insert which limits the effective flow resistance is used interchangeably in the bypass line.
Im hier dargestellten und bevorzugten Ausführungsbeispiel ist die Bypasslei tung 21 stets geöffnet, so daß sich der zuvor erwähnte geringfügige Leck¬ strom einstellen kann. Eine kompliziertere, aber diesen Leckstrom bei nicht zugesetzten Brauselöchem 10 mit Sicherheit ausschließende Maßnahme besteht darin, in der Bypassleitung 21 ein druckabhängig öffnendes Ventil anzuordne Das ist hier nicht dargestellt. In the exemplary embodiment shown and preferred here, the bypass line 21 is always open, so that the aforementioned slight leakage current can occur. A more complicated measure, which, however, certainly excludes this leakage current when the shower holes 10 are not clogged, consists in arranging a pressure-dependent opening valve in the bypass line 21. This is not shown here.

Claims

Patentansprüche: Claims:
1. Brausekopf (1) für eine Spültischbatterie (2) od. dgl., die für den An¬ schluß an einen Niederdruckspeicher (offener Heißwasserspeicher) geeignet ist, mit einem Wasserzulauf (4), einem, insbesondere mittig angeordneten Normalstrahlauslauf (7), einem, insbesondere den Normalstrahlauslauf (7) konzentrisch umgebend angeordneten Brauseauslauf (9) mit einer Vielzahl kleiner Brauselöcher (10) und einem Umstellventil (13), wobei das Umstell¬ ventil (13) in einer NormalStellung den Normalstrahlauslauf (7) mit dem Wasserzulauf (4) verbindet und den Brauseauslauf (9) vom Wasserzulauf (4) abtrennt und in einer Brausestellung den Brauseauslauf (9) mit dem Wasser¬ zulauf (4) verbindet und den Normalstrahlauslauf (7) vom Wasserzulauf (4) abtrennt, d a d u r c h g e k e n n z e i c h n e t, daß im Umstellven- til (13) eine in Brausestellung wirksame Bypassleitung (21) zwischen dem Wasserzulauf (4) und dem Normalstrahlauslauf (7) vorgesehen ist und daß der Strömungswiderstand der Bypassleitung (21) größer ist als der Strö¬ mungswiderstand des Brauseauslaufs (9) bei nicht zugesetzten Brauselöchern (10), aber der vor der Bypassleitung (21) bei zugesetzten Brauselöchern (10) betriebsmäßigmaximal,auftretende Staudruck kleiner ist als der Berstdruck eines zugeordneten Niederdruckspeichers.1. shower head (1) for a sink mixer (2) or the like, which is suitable for connection to a low-pressure accumulator (open hot water accumulator), with a water inlet (4), a normal jet outlet (7), in particular arranged in the center, a shower outlet (9), in particular concentrically surrounding the normal jet outlet (7), with a large number of small shower holes (10) and a diverter valve (13), the diverter valve (13) in a normal position, the normal jet outlet (7) with the water inlet ( 4) connects and separates the shower outlet (9) from the water inlet (4) and in a shower position connects the shower outlet (9) with the water inlet (4) and separates the normal jet outlet (7) from the water inlet (4), characterized in that in Changeover valve (13) is provided in the shower position effective bypass line (21) between the water inlet (4) and the normal jet outlet (7) and that the flow resistance of the bypass Line (21) is greater than the flow resistance of the shower spout (9) when the shower holes (10) are not clogged, but the maximum dynamic pressure that occurs in front of the bypass line (21) when the shower holes (10) are clogged is less than the burst pressure of an associated low-pressure accumulator .
2. Brausekopf (1) nach Anspruch 1, dadurch gekennzeichnet, daß die Bypass¬ leitung (21) bzw. ein Teil der Bypassleitung im Ventilkörper (16) des Um- stellventils (13) angeordnet ist.2. Shower head (1) according to claim 1, characterized in that the bypass line (21) or part of the bypass line in the valve body (16) of the changeover valve (13) is arranged.
3. Brausekopf (1) nach Anspruch 2, dadurch gekennzeichnet, daß der Ventil¬ körper (16) ein in axialer Richtung verschiebbarer Sitzventilkörper ist und daß die Bypassleitung (21) bzw. ein Teil der Bypassleitung als mittiger axialer Kanal in dem Ventilkörper (16) ausgeführt ist.3. Shower head (1) according to claim 2, characterized in that the Ventil¬ body (16) is an axially displaceable seat valve body and that the bypass line (21) or part of the bypass line as a central axial channel in the valve body (16 ) is executed.
4. Brausekopf (1) nach Anspruch 3, dadurch gekennzeichnet, daß der Ventil¬ körper (16) auf einer den mittigen axialen Kanal aufweisenden Kolbenstan¬ ge (19) angeordnet ist und die Kolbenstange (19) an dem dem Normalstrahl- auslauf (7) zugewandten Ende stirnseitig offen ist und auf der dem Brause¬ auslauf (9) zugewandten Seite eine seitliche Eintrittsöffnung (22) für den die Bypassleitung (21) bzw. einen Teil der Bypassleitung bildenden Kanal aufweist.4. Shower head (1) according to claim 3, characterized in that the Ventil¬ body (16) is arranged on a piston rod having the central axial channel (19) and the piston rod (19) on which the normal jet the outlet (7) facing the end is open and on the side facing the shower outlet (9) has a lateral inlet opening (22) for the channel forming the bypass line (21) or part of the bypass line.
5. Brausekopf(1) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß in der Bypassleitung ein den wirksamen Strömungswiderstand begrenzen¬ der Einsatz auswechselbar eingesetzt ist.5. Shower head (1) according to one of claims 1 to 4, characterized in that in the bypass line an effective flow resistance limit the insert is used interchangeably.
6. Brausekopf (1) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß in der Bypassleitung ein druckabhängig öffnendes Ventil angeordnet ist. 6. Shower head (1) according to one of claims 1 to 4, characterized in that a pressure-dependent opening valve is arranged in the bypass line.
EP90902218A 1989-01-28 1990-01-24 Spray nozzle for a sink unit tap system Expired - Lifetime EP0407547B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90902218T ATE76786T1 (en) 1989-01-28 1990-01-24 SHOWER HEAD FOR SINK BATTERY OD. DGL.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3902588A DE3902588C1 (en) 1989-01-28 1989-01-28
DE3902588 1989-01-28

Publications (2)

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EP0407547B1 EP0407547B1 (en) 1992-06-03

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US (1) US5145114A (en)
EP (1) EP0407547B1 (en)
JP (1) JPH0815576B2 (en)
KR (1) KR950004144B1 (en)
AT (1) ATE76786T1 (en)
AU (1) AU4964190A (en)
BR (1) BR9004924A (en)
DE (2) DE3902588C1 (en)
DK (1) DK0407547T3 (en)
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WO (1) WO1990008598A1 (en)

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Also Published As

Publication number Publication date
AU4964190A (en) 1990-08-24
KR910700101A (en) 1991-03-13
ES2033167T3 (en) 1993-03-01
JPH0815576B2 (en) 1996-02-21
ATE76786T1 (en) 1992-06-15
DE3902588C1 (en) 1990-03-15
JPH03504823A (en) 1991-10-24
WO1990008598A1 (en) 1990-08-09
BR9004924A (en) 1991-08-06
US5145114A (en) 1992-09-08
KR950004144B1 (en) 1995-04-27
DE59000145D1 (en) 1992-07-09
DK0407547T3 (en) 1992-07-20
EP0407547B1 (en) 1992-06-03

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