EP1700636A2 - Shower head - Google Patents

Shower head Download PDF

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Publication number
EP1700636A2
EP1700636A2 EP06004305A EP06004305A EP1700636A2 EP 1700636 A2 EP1700636 A2 EP 1700636A2 EP 06004305 A EP06004305 A EP 06004305A EP 06004305 A EP06004305 A EP 06004305A EP 1700636 A2 EP1700636 A2 EP 1700636A2
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EP
European Patent Office
Prior art keywords
shower head
head according
membrane
sections
perforated plate
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
EP06004305A
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German (de)
French (fr)
Other versions
EP1700636B1 (en
EP1700636A3 (en
Inventor
Christof Frey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hansa Metallwerke AG
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Hansa Metallwerke AG
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Publication date
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Publication of EP1700636A2 publication Critical patent/EP1700636A2/en
Publication of EP1700636A3 publication Critical patent/EP1700636A3/en
Application granted granted Critical
Publication of EP1700636B1 publication Critical patent/EP1700636B1/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
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/32—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages in which a valve member forms part of the outlet opening
    • B05B1/323—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages in which a valve member forms part of the outlet opening the valve member being actuated by the pressure of the fluid to be sprayed
    • 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
    • B05B1/185—Roses; Shower heads characterised by their outlet element; Mounting arrangements therefor
    • 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
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/52—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles
    • B05B15/528—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles by resilient deformation of the nozzle
    • 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
    • B05B15/70—Arrangements for moving spray heads automatically to or from the working position
    • B05B15/72—Arrangements for moving spray heads automatically to or from the working position using hydraulic or pneumatic means
    • B05B15/74—Arrangements for moving spray heads automatically to or from the working position using hydraulic or pneumatic means driven by the discharged fluid

Definitions

  • the invention relates to a shower head according to the preamble of claim 1.
  • Such a shower head is in the DE 31 07 806 C2 described.
  • the valve elements which are associated with the passages of the perforated plate, in the pressure-free state of the shower head, the shape of cones whose tips are squeezed wide. So you have each a pinch valve, which is not biased by an external squeeze but by elastic self-bias in the closed state.
  • the individual valve elements open to substantially cylindrical pieces of tubing.
  • valve elements no longer reliably close after prolonged use, so that there is a dripping of water from the shower head after switching off the water supply.
  • a shower head according to the preamble of claim 1 is to be further developed such that a secure closing of the individual valve elements after completion of the pressurization of the shower head is obtained.
  • the individual valve elements are formed by membrane sections, which each have a curved shape. These curved membrane sections each have at least one cut. The cut edges are in pressure-free shower head firmly and close to each other. However, the cut is opened by deformation of the curved membrane portion when the interior of the shower head is pressurized.
  • valve elements build short in the axial direction. So you do not need to get over the perforated plate. Since the valve elements are relatively deformed geometrically relatively strong in the opening and closing movement, in particular, the edges of the sections of the curved diaphragm sections are moved away from each other with great force when the shower head is pressurized, and return to the closed position with great force when the pressurization of the shower head is completed, deposits that could form in the region of the valve elements, reliably dropped, without the need for an additional applied by the user mechanical force would be necessary.
  • valve elements provided in the shower head according to the invention can also be produced inexpensively.
  • a membrane with the arched membrane sections can be easily produced with a two-part mold, which has only a few draft angles and is completely or largely free of undercuts. It is thus also possible to produce the membrane by deep-drawing or blow-molding from a corresponding starting mat or starting film and is not dependent on a spraying process.
  • the cuts in the arched membrane sections can be created by a simple cutting tool.
  • the development of the invention according to claim 3 is in view of a good mechanical stability of the curved membrane sections at the beginning of pressure increase advantage.
  • the sections of the individual arched membrane elements are thus only then opened suddenly when the pressure inside the shower head has reached such a value that even the curved membrane section can no longer withstand it.
  • the effect just described is particularly pronounced when providing the concave side of the curved membrane portion at the front of the shower head, so that the convex side of the curved membrane portion facing the inside of the shower head.
  • valve elements in the axial direction of the passage openings of the perforated plate are movable.
  • This outward movement of the domed membrane sections having the cuts can be done under relatively little force since bellows cuts or rolling diaphragm sections provide little resistance to axial movement.
  • the opening of the valve elements takes place in a position in which they are adjacent to the front side of the perforated plate or in which they already protrude beyond the front of the perforated plate. In this way it is prevented that accumulated by the valve element deposits accumulate inside the perforated plate.
  • the development of the invention according to claim 7 is in view of the use of Balgabitesen of advantage, which have no extremely small radii of curvature and need not be extremely thin. This is in terms of the life of the Balgabitese and thus the membrane element of advantage.
  • An elastomeric material as indicated in claim 8, is suitable for the realization of membrane elements with curved membrane sections, which are provided with control cuts, particularly proven.
  • FIG. 1 designates a shower head as a whole, which has a cup-shaped housing part 12 which is closed by a perforated plate 14.
  • a membrane element 16 is clamped between the housing part 12 and the perforated plate 14. This is provided with a plurality of valve elements 18, which are indicated in the sectional view of the shower head gestrichtelt only by their common front boundary line.
  • the housing part 12 has an inlet opening 20 which is connected to a feed channel of a handle not shown in detail the shower head communicates.
  • the latter is z. B. via a flexible hose with a building fixed connection in connection, which is acted upon by a mixing valve with warm water.
  • valve elements 18 Details of the valve elements 18 will now be explained with reference to the detail enlargement of FIG.
  • the passage 24 is substantially cylindrical, its interior facing the 22 facing edge is rounded.
  • the membrane element 16 has a membrane section extending into the interior of the passage 24, which has an axially short frusto-conical peripheral wall 26 and a dome-shaped bottom wall 28.
  • the bottom wall 28 has with its convex side to the interior 22, with its concave side to the outside of the perforated plate 14th
  • bottom wall 28 In the bottom wall 28 four cuts 30 are provided, which are equally distributed in the circumferential direction and extend from the axis of the bottom wall 28 to the edge thereof.
  • the bottom wall 28 is thus divided into four sectors of 90 ° each.
  • the water in the interior space 22 seeks to move the sectors of the bottom wall 28 in the axial outward direction. This initially does not succeed geometrie employment. As the pressure in the interior space 22 has risen sharply, however, the supporting force of the dome-shaped bottom wall 28 is exceeded and its four sectors are abruptly moved axially outwardly under flexing. Now, the valve element 18 is opened and through the passage 24, water is discharged.
  • the membrane element 16 may have a thickness of 0.7 to 1.5 mm and be made of an elastomeric material having a Shore hardness of 70 to 90.
  • the elastomeric material may be rubber or synthetic rubber.
  • valve elements 18 are arranged completely behind the front side of the perforated plate 14.
  • the shower head 10 according to FIG. 2 operates on the same basic principle as that shown in FIG. Components that fulfill the same function are again provided with the same reference numerals, although in detail have different geometry. Hereinafter, only the differences of the shower head according to Figure 2 to those of Figure 1 need to be explained.
  • the bottom wall 28 is supported by a peripheral wall 26, which is slightly curved outwards (barrel-like) is formed. It is thereby achieved that the peripheral wall 26 is centered in the passage 24, but nevertheless frictional forces between the outer surface of the peripheral wall 26 and the inner surface of the passage 24 remain small, since there is no extensive areal contact.
  • the peripheral wall 26 is formed at its upper end to a rolling diaphragm or bellows portion 32 of the membrane element 16.
  • the bellows portion 32 is received in an enlarged counterbore 34 of the passage 24 recording. It is integrally formed on the membrane element 16 at its upper end.
  • the same materials can be used as have been mentioned above with reference to the exemplary embodiment according to FIG. Also you will get the wall thickness and geometry of the bottom wall 28 similar.
  • the material thickness can be chosen slightly lower in order to ensure a slight rolling of the bellows.
  • the wall thickness should not be too low there, so that the peripheral wall 26 is retracted together with the bottom wall 28 again under elastic prestress when the pressurization of the interior 20 is terminated.

Landscapes

  • Nozzles (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)

Abstract

Shower head (10) has cup shaped case part (12), locking perforated plate (14) at its open end which has valve element (18) for each of their passage. Valve element is linked up flexibly into closing position and is movable into opening position by upcoming water pressure. Valve element is formed by curved diaphragm section which exhibit one section (30).

Description

Die Erfindung betrifft einen Duschkopf gemäß dem Oberbegriff des Anspruches 1.The invention relates to a shower head according to the preamble of claim 1.

Ein derartiger Duschkopf ist in der DE 31 07 806 C2 beschrieben. Bei ihm haben die Ventilelemente, die den Durchgängen der Lochplatte zugeordnet sind, im druckfreien Zustand des Duschkopfes die Form von Kegeln, deren Spitzen breitgequetscht sind. Man hat also jeweils ein Quetschventil, welches nicht durch eine externe Quetsche sondern durch elastische Eigenvorspannung in den Schließzustand vorgespannt ist. Bei Druckbeaufschlagung des Duschkopfes öffnen sich die einzelnen Ventilelemente zu im wesentlichen zylindrischen Schlauchstücken.Such a shower head is in the DE 31 07 806 C2 described. In him, the valve elements which are associated with the passages of the perforated plate, in the pressure-free state of the shower head, the shape of cones whose tips are squeezed wide. So you have each a pinch valve, which is not biased by an external squeeze but by elastic self-bias in the closed state. When pressure is applied to the shower head, the individual valve elements open to substantially cylindrical pieces of tubing.

In der Praxis hat sich gezeigt, daß derartige Ventilelemente nach langem Einsatz nicht mehr zuverlässig schließen, so daß es zu einem Nachtropfen von Wasser aus dem Duschkopf nach Abstellen der Wasserzufuhr kommt.In practice, it has been shown that such valve elements no longer reliably close after prolonged use, so that there is a dripping of water from the shower head after switching off the water supply.

Auch stehen die einzelnen Ventilelemente über die Vorderseite der Lochplatte über, was sowohl aus ästhetischen Gründen als auch aus hygienischen Gründen weniger vorteilhaft ist.Also, the individual valve elements over the front of the perforated plate over, which is less advantageous for aesthetic reasons as well as for reasons of hygiene.

Durch die vorliegende Erfindung soll daher ein Duschkopf gemäß dem Oberbegriff des Anspruchs 1 dahingehend weitergebildet werden, daß ein sicheres Verschließen der einzelnen Ventilelemente nach Beendigung der Druckbeaufschlagung des Duschkopfes erhalten wird.By the present invention, therefore, a shower head according to the preamble of claim 1 is to be further developed such that a secure closing of the individual valve elements after completion of the pressurization of the shower head is obtained.

Diese Aufgabe ist erfindungsgemäß gelöst durch einen Duschkopf mit den im Anspruch 1 angegebenen Merkmalen.This object is achieved by a shower head with the features specified in claim 1.

Bei dem erfindungsgemäßen Duschkopf sind die einzelnen Ventilelemente durch Membranabschnitte gebildet, welche jeweils eine gewölbte Form haben. Diese gewölbten Membranabschnitte weisen jeweils mindestens einen Schnitt auf. Die Schnittränder liegen bei druckfreiem Duschkopf fest und dicht aneinander an. Der Schnitt wird aber unter Verformung des gewölbten Membranabschnittes geöffnet, wenn das Innere des Duschkopfes mit Druck beaufschlagt ist.In the shower head according to the invention, the individual valve elements are formed by membrane sections, which each have a curved shape. These curved membrane sections each have at least one cut. The cut edges are in pressure-free shower head firmly and close to each other. However, the cut is opened by deformation of the curved membrane portion when the interior of the shower head is pressurized.

Durch die gewölbte Geometrie des Membranabschnittes wird eine besonders gute Dichtwirkung in der Schließstellung des Ventilelementes erhalten, da diese Wölbung geometriebedingt hohe Rückstellkräfte in die Schließstellung zur Folge hat.Due to the curved geometry of the membrane portion a particularly good sealing effect is obtained in the closed position of the valve element, as this curvature geometriebedingt high restoring forces in the closed position has the consequence.

Ein weiterer Vorteil des erfindungsgemäßen Duschkopfes ist der, daß die Ventilelemente in axialer Richtung kurz bauen. Sie brauchen also nicht über die Lochplatte überzustehen. Da die Ventilelemente bei der Öffnungs-und Schließbewegung geometrisch verhältnismäßig stark verformt werden, insbesondere auch die Ränder der Schnitte der gewölbten Membranabschnitte mit großer Kraft voneinander wegbewegt werden, wenn der Duschkopf mit Druck beaufschlagt wird, und mit großer Kraft wieder in die Schließstellung zurücklaufen, wenn die Druckbeaufschlagung des Duschkopfes beendet wird, werden Ablagerungen, die sich im Bereich der Ventilelemente bilden könnten, zuverlässig abgeworfen, ohne daß hierfür eine zusätzliche vom Benutzer aufzubringende mechanische Kraft notwendig wäre.Another advantage of the shower head according to the invention is that the valve elements build short in the axial direction. So you do not need to get over the perforated plate. Since the valve elements are relatively deformed geometrically relatively strong in the opening and closing movement, in particular, the edges of the sections of the curved diaphragm sections are moved away from each other with great force when the shower head is pressurized, and return to the closed position with great force when the pressurization of the shower head is completed, deposits that could form in the region of the valve elements, reliably dropped, without the need for an additional applied by the user mechanical force would be necessary.

Die beim erfindungsgemäßen Duschkopf vorgesehenen Ventilelemente lassen sich auch preisgünstig herstellen. Eine Membran mit den gewölbten Membranabschnitten läßt sich mit einer zweiteiligen Form, die nur wenige Formschrägen aufweist und ganz oder weitgehend hinterschneidungsfrei ist, einfach herstellen. Man kann die Membran somit auch durch Tiefziehen oder Blasform aus einer entsprechenden Ausgangsmatte oder Ausgangsfolie herstellen und ist nicht auf ein Spritzverfahren angewiesen. Die Schnitte in den gewölbten Membranabschnitten lassen sich durch ein einfaches Schneidwerkzeug erzeugen.The valve elements provided in the shower head according to the invention can also be produced inexpensively. A membrane with the arched membrane sections can be easily produced with a two-part mold, which has only a few draft angles and is completely or largely free of undercuts. It is thus also possible to produce the membrane by deep-drawing or blow-molding from a corresponding starting mat or starting film and is not dependent on a spraying process. The cuts in the arched membrane sections can be created by a simple cutting tool.

Vorteilhafte Weiterbildungen der Erfindung sind in Unteransprüchen angegeben.Advantageous developments of the invention are specified in subclaims.

Mit der Weiterbildung der Erfindung gemäß Anspruch 2 wird erreicht, daß die von den Düsen des Duschkopfes abgegebenen Strahlen eine im wesentlichen runde Querschnittsfläche aufweisen.With the development of the invention according to claim 2 ensures that the output from the nozzles of the shower head rays have a substantially round cross-sectional area.

Die Weiterbildung der Erfindung gemäß Anspruch 3 ist im Hinblick auf eine gute mechanische Stabilität der gewölbten Membranabschnitte bei beginnendem Druckanstieg von Vorteil. Die Schnitte der einzelnen gewölbten Membranelemente werden somit erst dann und plötzlich geöffnet, wenn der Druck im Inneren des Duschkopfes einen solchen Wert erreicht hat, daß auch der gewölbte Membranabschnitt ihm nicht mehr standhalten kann. Man erhält so eine Schnappcharakteristik des Ventilelementes, die im Hinblick auf das Abwerfen von etwaigen Verunreinigungen und im Hinblick auf ein dichtes Schließen des Ventilelementes bei druckentlastetem Duschkopf von Vorteil ist.The development of the invention according to claim 3 is in view of a good mechanical stability of the curved membrane sections at the beginning of pressure increase advantage. The sections of the individual arched membrane elements are thus only then opened suddenly when the pressure inside the shower head has reached such a value that even the curved membrane section can no longer withstand it. This results in a snap characteristic of the valve element, which is in terms of the discharge of any impurities and in view of a tight closing of the valve element with pressure-relieved shower head advantage.

Der soeben geschilderte Effekt ist besonders ausgeprägt, wenn man die konkave Seite des gewölbten Membranabschnittes bei der Vorderseite des Duschkopfes vorsieht, so daß die konvexe Seite des gewölbten Membranabschnittes zur Innenseite des Duschkopfes weist.The effect just described is particularly pronounced when providing the concave side of the curved membrane portion at the front of the shower head, so that the convex side of the curved membrane portion facing the inside of the shower head.

Die Weiterbildung der Erfindung gemäß Anspruch 5 ist im Hinblick auf eine besonders einfache Herstellung aller Ventilelemente zusammen mit einer diese tragenden Membran von Vorteil.The development of the invention according to claim 5 is in view of a particularly simple production of all valve elements together with a membrane carrying this advantage.

Bei einem Duschkopf gemäß Anspruch 6 sind die eigentlichen Ventilelemente in axialer Richtung der Durchtrittsöffnungen der Lochplatte bewegbar. Diese Auswärtsbewegung der gewölbten Membranabschnitte, welche die Schnitte aufweisen, kann unter verhältnismäßig geringer Kraft erfolgen, da Balgabschnitte oder Rollmembran-Abschnitte einer axialen Bewegung nur wenig Widerstand entgegensetzen. Dies bedeutet, daß das Öffnen der Ventilelemente in einer Lage erfolgt, in der sie der Vorderseite der Lochplatte benachbart sind oder in der sie schon über die Vorderseite der Lochplatte überstehen. Auf diese Weise wird verhindert, daß sich vom Ventilelement abgeworfene Ablagerungen im Inneren der Lochplatte ansammeln.In a shower head according to claim 6, the actual valve elements in the axial direction of the passage openings of the perforated plate are movable. This outward movement of the domed membrane sections having the cuts can be done under relatively little force since bellows cuts or rolling diaphragm sections provide little resistance to axial movement. This means that the opening of the valve elements takes place in a position in which they are adjacent to the front side of the perforated plate or in which they already protrude beyond the front of the perforated plate. In this way it is prevented that accumulated by the valve element deposits accumulate inside the perforated plate.

Die Weiterbildung der Erfindung gemäß Anspruch 7 ist dabei im Hinblick auf die Verwendung von Balgabschnitten von Vorteil, die keine extrem kleine Krümmungsradien aufweisen und nicht extrem dünn zu sein brauchen. Dies ist im Hinblick auf die Lebensdauer der Balgabschnitte und damit des Membranelementes von Vorteil.The development of the invention according to claim 7 is in view of the use of Balgabschnitten of advantage, which have no extremely small radii of curvature and need not be extremely thin. This is in terms of the life of the Balgabschnitte and thus the membrane element of advantage.

Ein elastomeres Material, wie es im Anspruch 8 angegeben ist, hat sich für die Realisierung von Membranelementen mit gewölbten Membranabschnitten, die mit Steuerschnitten versehen sind, besonders bewährt.An elastomeric material, as indicated in claim 8, is suitable for the realization of membrane elements with curved membrane sections, which are provided with control cuts, particularly proven.

Wählt man gemäß Anspruch 9 als Material für das Membranelement ein härteres elastisches Material, so kann man das schon weiter oben angesprochene Schnappverhalten der Ventilelemente nochmals verstärken.If one chooses according to claim 9 as a material for the membrane element a harder elastic material, so you can reinforce the above-mentioned snap behavior of the valve elements again.

Nachstehend wird die Erfindung anhand von Ausführungsbeispielen unter Bezugnahme auf die Zeichnung näher erläutert. In dieser zeigen:

Figur 1
einen schematischen Schnitt durch einen Dusch-kopf, bei welchem jedem Durchgang der Dusch-kopf-Lochplatte ein Ventilelement zugeordnet ist; und
Figur 2
eine ähnliche Ansicht wie Figur 1, bei welcher die den Durchgängen der Lochplatte zugeordneten Ventilelemente abgewandelte Form aufweisen.
The invention will be explained in more detail by means of exemplary embodiments with reference to the drawing. In this show:
FIG. 1
a schematic section through a shower head, wherein each passage of the shower head hole plate is associated with a valve element; and
FIG. 2
a view similar to Figure 1, in which the passage of the perforated plate associated valve elements have modified form.

In Figur 1 ist mit 10 insgesamt ein Duschkopf bezeichnet, der ein becherförmiges Gehäuseteil 12 aufweist, welches durch eine Lochplatte 14 verschlossen ist.In FIG. 1, 10 designates a shower head as a whole, which has a cup-shaped housing part 12 which is closed by a perforated plate 14.

Zwischen das Gehäuseteil 12 und die Lochplatte 14 ist ein Membranelement 16 eingespannt. Dieses ist mit einer Vielzahl von Ventilelementen 18 versehen, die in der Schnittdarstellung des Duschkopfes nur durch ihre gemeinsame vordere Begrenzungslinie gestrichtelt angedeutet sind.Between the housing part 12 and the perforated plate 14, a membrane element 16 is clamped. This is provided with a plurality of valve elements 18, which are indicated in the sectional view of the shower head gestrichtelt only by their common front boundary line.

Das Gehäuseteil 12 hat eine Einlaßöffnung 20, die mit einem Zuführkanal eines nicht näher gezeigten Griffes des Duschkopfes in Verbindung steht. Letzerer steht z. B. über einem flexiblen Schlauch mit einem gebäudefesten Anschluß in Verbindung, der über eine Mischarmatur mit warmen Wasser beaufschlagt wird.The housing part 12 has an inlet opening 20 which is connected to a feed channel of a handle not shown in detail the shower head communicates. The latter is z. B. via a flexible hose with a building fixed connection in connection, which is acted upon by a mixing valve with warm water.

Der Innenraum 20 des Duschkopfes 10, welcher durch das Gehäuseteil 12 und das Membranelement 16 sowie die Lochplatte 14 begrenzt ist, kann über die soeben beschriebene Versorgungsleitung und die Mischarmatur wahlweise mit Druck beaufschlagt werden oder vom gebäudefesten Wasserversorgungsnetz getrennt, und damit entlastet werden.The interior 20 of the shower head 10, which is bounded by the housing part 12 and the membrane element 16 and the perforated plate 14, can be pressurized via the supply line and the mixing valve just described optionally with pressure or separated from the building-fixed water supply network, and thus relieved.

Einzelheiten der Ventilelemente 18 werden nun anhand der Ausschnittsvergrößerung von Figur 1 dargelegt.Details of the valve elements 18 will now be explained with reference to the detail enlargement of FIG.

Dort ist einer der Durchgänge der Lochplatte 14 bei 24 gezeigt. Der Durchgang 24 ist im wesentlichen zylindrisch, seine dem Innenraum 22 zugewandte Kante ist abgerundet.There one of the passages of the perforated plate 14 is shown at 24. The passage 24 is substantially cylindrical, its interior facing the 22 facing edge is rounded.

Im Bereich des Durchganges 24 hat das Membranelement 16 einen sich in das Innere des Durchganges 24 hinein erstreckenden Membranabschnitt, welcher eine axial kurze kegelstumpfförmige Umfangswand 26 und eine kalottenförmige Bodenwand 28 aufweist. Die Bodenwand 28 weist mit ihrer konvexen Seite zum Innenraum 22, mit ihrer konkaven Seite zur Außenseite der Lochplatte 14.In the region of the passage 24, the membrane element 16 has a membrane section extending into the interior of the passage 24, which has an axially short frusto-conical peripheral wall 26 and a dome-shaped bottom wall 28. The bottom wall 28 has with its convex side to the interior 22, with its concave side to the outside of the perforated plate 14th

In der Bodenwand 28 sind vier Schnitte 30 vorgesehen, die in Umfangsrichtung gleich verteilt sind und sich von der Achse der Bodenwand 28 bis zu deren Rand erstrecken. Die Bodenwand 28 ist somit in vier Sektoren von jeweils 90° unterteilt.In the bottom wall 28 four cuts 30 are provided, which are equally distributed in the circumferential direction and extend from the axis of the bottom wall 28 to the edge thereof. The bottom wall 28 is thus divided into four sectors of 90 ° each.

Diese Sektoren liegen herstellungsbedingt unter elastischer Vorspannung dicht aneinander an, wenn der Innenraum 22 frei ist.These sectors are due to production under elastic Bias close together when the interior 22 is free.

Wird der Innenraum 22 dagegen durch Öffnen der Mischarmatur mit Druck beaufschlagt, so sucht das im Innenraum 22 befindliche Wasser die Sektoren der Bodenwand 28 in axialer Auswärtsrichtung zu bewegen. Dies gelingt zunächst geometriebedingt nicht. Sowie der Druck im Innenraum 22 stark angestiegen ist, wird jedoch die Stützkraft der kalottenförmigen Bodenwand 28 überschritten und ihre vier Sektoren werden abrupt unter Ausflexen axial nach außen bewegt. Nun ist das Ventilelement 18 geöffnet und durch den Durchgang 24 wird Wasser abgegeben.If, however, the interior 22 is pressurized by opening the mixing valve, the water in the interior space 22 seeks to move the sectors of the bottom wall 28 in the axial outward direction. This initially does not succeed geometriebedingt. As the pressure in the interior space 22 has risen sharply, however, the supporting force of the dome-shaped bottom wall 28 is exceeded and its four sectors are abruptly moved axially outwardly under flexing. Now, the valve element 18 is opened and through the passage 24, water is discharged.

Wird die Druckbeaufschlagung des Innenraumes 22 durch Schließen der Mischarmatur beendet, so kehren die Segmente der Bodenwand 28 unter ihrer elastischen Vorspannung wieder in die Schließstellung zurück, die in Figur 1 gezeigt ist.If the pressurization of the inner space 22 ends by closing the mixing valve, the segments of the bottom wall 28 return under their elastic bias back into the closed position, which is shown in Figure 1.

In der Praxis kann das Membranelement 16 eine Dicke von 0,7 bis 1,5 mm aufweisen und aus einem elastomeren Material mit einer Shore-Härte von 70 bis 90 gefertigt sein. Bei dem Elastomer-Material kann es sich um Gummi oder synthetischen Gummi handeln.In practice, the membrane element 16 may have a thickness of 0.7 to 1.5 mm and be made of an elastomeric material having a Shore hardness of 70 to 90. The elastomeric material may be rubber or synthetic rubber.

Bei dem in Figur 1 gezeigten Duschkopf sind die Ventilelemente 18 vollständig hinter der Vorderseite der Lochplatte 14 angeordnet.In the case of the shower head shown in FIG. 1, the valve elements 18 are arranged completely behind the front side of the perforated plate 14.

Der Duschkopf 10 gemäß Figur 2 arbeitet nach dem gleichen Grundprinzip, wie der in Figur 1 gezeigte. Komponenten, welche dieselbe Funktion erfüllen, sind wieder mit denselben Bezugszeichen versehen, auch wenn sie im einzelnen abweichende Geometrie haben. Nachstehend brauchen auch nur die Unterschiede des Duschkopfes gemäß Figur 2 zu demjenigen nach Figur 1 erläutert zu werden.The shower head 10 according to FIG. 2 operates on the same basic principle as that shown in FIG. Components that fulfill the same function are again provided with the same reference numerals, although in detail have different geometry. Hereinafter, only the differences of the shower head according to Figure 2 to those of Figure 1 need to be explained.

Bei dem in Figur 2 gezeigten Duschkopf 10 ist die Bodenwand 28 von einer Umfangswand 26 getragen, die leicht nach außen gewölbt (faßähnlich) ausgebildet ist. Damit wird erreicht, daß die Umfangswand 26 in dem Durchgang 24 zentriert wird, trotzdem aber Reibungskräfte zwischen der Außenfläche der Umfangswand 26 und der Innenfläche des Durchganges 24 klein bleiben, da kein ausgedehnter flächenhafter Kontakt besteht.In the shower head 10 shown in Figure 2, the bottom wall 28 is supported by a peripheral wall 26, which is slightly curved outwards (barrel-like) is formed. It is thereby achieved that the peripheral wall 26 is centered in the passage 24, but nevertheless frictional forces between the outer surface of the peripheral wall 26 and the inner surface of the passage 24 remain small, since there is no extensive areal contact.

Die Umfangswand 26 ist an ihrem oberen Ende an einen Rollmembran- bzw. Balgabschnitt 32 des Membranelementes 16 angeformt. Der Balgabschnitt 32 findet in einer erweiterten Gegenbohrung 34 des Durchganges 24 Aufnahme. Er ist an seinem oberen Ende an das Membranelement 16 angeformt.The peripheral wall 26 is formed at its upper end to a rolling diaphragm or bellows portion 32 of the membrane element 16. The bellows portion 32 is received in an enlarged counterbore 34 of the passage 24 recording. It is integrally formed on the membrane element 16 at its upper end.

Bei dem in Figur 2 gezeigten Duschkopf wird bei Druckbeaufschlagung des Innenraumes 22 zusammen mit der Bodenwand 28 zunächst in eine über die Vorderseite der Lochplatte 14 überstehende Stellung bewegt. Erreicht das obere Ende der Umfangswand 26 die Oberkante des Durchganges 24, so wird die weitere Axialbewegung der Bodenwand 28 begrenzt und durch den Druck im Innenraum 22 werden nun die Sektoren der Bodenwand 28 in eine Offenstellung bewegt, wie in Figur 2 durch gestrichelte Linien dargestellt.In the case of the shower head shown in FIG. 2, when the interior space 22 is pressurized, it is first moved together with the bottom wall 28 into a position projecting beyond the front side of the perforated plate 14. If the upper end of the circumferential wall 26 reaches the upper edge of the passage 24, the further axial movement of the bottom wall 28 is limited and the pressure in the inner space 22 now moves the sectors of the bottom wall 28 into an open position, as shown in FIG. 2 by dashed lines.

Für das Membranelement 16 gemäß Figur 2 können die gleichen Materialien verwendet werden, wie sie obenstehend unter Bezugnahme auf das Ausführungsbeispiel nach Figur 1 angesprochen wurden. Auch wird man die Wandstärke und Geometrie der Bodenwand 28 ähnlich wählen. Im Bereich des Balgabschnittes 32 kann man die Materialstärke etwas geringer wählen, um ein leichtes Rollen des Balges zu gewährleisten. Zu gering sollte dort die Wandstärke aber nicht sein, damit die Umfangswand 26 zusammen mit der Bodenwand 28 wieder unter elastischer Vorspannung zurückgezogen wird, wenn die Druckbeaufschlagung des Innenraumes 20 beendet wird.For the membrane element 16 according to FIG. 2, the same materials can be used as have been mentioned above with reference to the exemplary embodiment according to FIG. Also you will get the wall thickness and geometry of the bottom wall 28 similar. In the area of the bellows section 32, the material thickness can be chosen slightly lower in order to ensure a slight rolling of the bellows. However, the wall thickness should not be too low there, so that the peripheral wall 26 is retracted together with the bottom wall 28 again under elastic prestress when the pressurization of the interior 20 is terminated.

Claims (9)

Duschkopf mit einem becherförmigen Gehäuseteil (12)
und einer dessen offenes Ende verschließenden Lochplatte (14), welche für jeden ihrer Durchgänge ein Ventilelement (18) aufweist, welches elastisch in eine Schließstellung vorgespannt ist und durch anstehenden Wasserdruck in eine Offenstellung bewegbar ist, dadurch gekennzeichnet, daß die Ventilelemente (18) durch gewölbte Membranabschnitte (28) gebildet sind, die jeweils mindestens einen Schnitt (30) aufweisen.Shower head with a cup-shaped housing part (12)
and a perforated plate (14) closing its open end, having for each of its passages a valve element (18) resiliently biased into a closed position and movable into an open position by impending water pressure, characterized in that the valve elements (18) pass through curved membrane sections (28) are formed, each having at least one section (30). Duschkopf nach Anspruch 1, dadurch gekennzeichnet,
daß die gewölbten Membranabschnitte (28) eine Mehrzahl in Umfangsrichtung gleich verteilter Schnitte (30) aufweist.Shower head according to claim 1, characterized
that the convex diaphragm portions (28) has a plurality of circumferentially equally distributed cuts (30). Duschkopf nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die gewölbten Membranabschnitte (28) die Form von Kugelkalotten haben.Shower head according to claim 1 or 2, characterized in that the curved membrane sections (28) have the shape of spherical caps. Duschkopf nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die konkaven Seiten der gewölbten Membranabschnitte (28) zur Außenseite weisen.Shower head according to one of claims 1 to 3, characterized in that the concave sides of the curved diaphragm portions (28) face the outside. Duschkopf nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die gewölbten Membranabschnitte (28) an ein Membranelement (16) angeformt sind, welches die Lochplatte (14) überdeckt.Shower head according to one of claims 1 to 4, characterized in that the arched membrane sections (28) are integrally formed on a membrane element (16) which covers the perforated plate (14). Duschkopf nach Anspruch 5, dadurch gekennzeichnet, daß die gewölbten Membranabschnitte (28) über Balgabschnitte (32) an das Membranelement (16) angeformt sind.Shower head according to claim 5, characterized in that that the convex diaphragm portions (28) are formed on bellows sections (32) to the membrane element (16). Duschkopf nach Anspruch 6, dadurch gekennzeichnet, daß die Balgabschnitte (32) in Gegenbohrungen (34) der Durchgänge (24) der Lochplatte (14) Aufnahme finden.Shower head according to claim 6, characterized in that the bellows sections (32) are received in counterbores (34) of the passages (24) of the perforated plate (14). Duschkopf nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die gewölbten Membranabschnitte (28) aus einem elastomeren Material mit einer Shore-Härte von etw 70 bis etwa 90 hergestellt sind.A shower head according to any one of claims 1 to 7, characterized in that the domed membrane sections (28) are made of an elastomeric material having a Shore hardness of about 70 to about 90. Duschkopf nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die gewölbten Membranabschnitte (28) aus einem elastischen Material hergestellt sind, insbesondere einem elastischen Kunststoffolien-Material hergestellt sind.Shower head according to one of claims 1 to 7, characterized in that the arched membrane sections (28) are made of an elastic material, in particular an elastic plastic foil material are produced.
EP06004305A 2005-03-11 2006-03-03 Shower head Not-in-force EP1700636B1 (en)

Applications Claiming Priority (1)

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DE102005012706A DE102005012706B4 (en) 2005-03-11 2005-03-11 showerhead

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EP1700636A2 true EP1700636A2 (en) 2006-09-13
EP1700636A3 EP1700636A3 (en) 2008-06-18
EP1700636B1 EP1700636B1 (en) 2011-07-06

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EP2130608A1 (en) * 2008-06-06 2009-12-09 Hansgrohe AG Sprinkler head
ITMI20091622A1 (en) * 2009-09-23 2011-03-24 Flex Doccia S R L DISTRIBUTION DEVICE FOR WATER AND RELATIVE WATER DISPENSER
DE102013016979A1 (en) 2013-10-14 2015-04-16 Grohe Ag rain shower
WO2016165744A1 (en) * 2015-04-14 2016-10-20 Husqvarna Ab Spraying apparatus and spray head for a spraying apparatus
WO2016165732A1 (en) * 2015-04-13 2016-10-20 Alfred Kärcher Gmbh & Co. Kg Spraying device
DE102016213489B3 (en) * 2016-07-22 2017-11-09 Hansgrohe Se Shower diverter valve and sanitary shower
DE102016213491A1 (en) 2016-07-22 2018-01-25 Hansgrohe Se Shower spray generating device
EP3305412A1 (en) * 2016-10-07 2018-04-11 Hansgrohe SE Spray jet generating device
RU2669617C1 (en) * 2016-12-22 2018-10-12 Хансгрое СЕ Jetting element and shower device
WO2019180682A1 (en) * 2018-03-23 2019-09-26 Flsmidth A/S Flotation machine apparatus and method of using the same
EP4101546A1 (en) 2021-06-10 2022-12-14 Hansgrohe SE Cup-shaped jet nozzle and jet
US12145159B2 (en) 2019-03-22 2024-11-19 Flsmidth A/S Flotation machine apparatus and method of using the same

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CN105665162B (en) * 2016-04-05 2018-03-27 南安市丽迪家居用品有限公司 A kind of gondola water faucet
CN105855075A (en) * 2016-05-26 2016-08-17 中山市雅西环保科技有限公司 Shower head with check valves
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EP2130608A1 (en) * 2008-06-06 2009-12-09 Hansgrohe AG Sprinkler head
US8807461B2 (en) 2008-06-06 2014-08-19 Hansgrohe Se Shower head
ITMI20091622A1 (en) * 2009-09-23 2011-03-24 Flex Doccia S R L DISTRIBUTION DEVICE FOR WATER AND RELATIVE WATER DISPENSER
DE102013016979A1 (en) 2013-10-14 2015-04-16 Grohe Ag rain shower
WO2016165732A1 (en) * 2015-04-13 2016-10-20 Alfred Kärcher Gmbh & Co. Kg Spraying device
WO2016165744A1 (en) * 2015-04-14 2016-10-20 Husqvarna Ab Spraying apparatus and spray head for a spraying apparatus
DE102016213489B3 (en) * 2016-07-22 2017-11-09 Hansgrohe Se Shower diverter valve and sanitary shower
DE102016213491A1 (en) 2016-07-22 2018-01-25 Hansgrohe Se Shower spray generating device
US20180099295A1 (en) * 2016-10-07 2018-04-12 Hansgrohe Se Shower jet generating device
US10821453B2 (en) * 2016-10-07 2020-11-03 Hansgrohe Se Shower jet generating device
EP3305412A1 (en) * 2016-10-07 2018-04-11 Hansgrohe SE Spray jet generating device
CN107913807A (en) * 2016-10-07 2018-04-17 汉斯格罗欧洲公司 Spray a fluid stream generation device
RU2668252C1 (en) * 2016-10-07 2018-09-27 Хансгрое СЕ Shower jet forming device
DE102016219551B4 (en) 2016-10-07 2022-01-05 Hansgrohe Se Shower jet generating device
DE102016219551A1 (en) 2016-10-07 2018-04-12 Hansgrohe Se Shower spray generating device
RU2669617C1 (en) * 2016-12-22 2018-10-12 Хансгрое СЕ Jetting element and shower device
US11491498B2 (en) 2016-12-22 2022-11-08 Hansgrohe Se Shower jet outlet device and shower device equipped therewith
WO2019180682A1 (en) * 2018-03-23 2019-09-26 Flsmidth A/S Flotation machine apparatus and method of using the same
EA039159B1 (en) * 2018-03-23 2021-12-13 Эф-Эл-Смидт А/С Flotation machine apparatus and method of using the same
US12145159B2 (en) 2019-03-22 2024-11-19 Flsmidth A/S Flotation machine apparatus and method of using the same
EP4101546A1 (en) 2021-06-10 2022-12-14 Hansgrohe SE Cup-shaped jet nozzle and jet
DE102021205915A1 (en) 2021-06-10 2022-12-15 Hansgrohe Se Pot-shaped shower jet outlet nozzle and shower

Also Published As

Publication number Publication date
ATE515330T1 (en) 2011-07-15
EP1700636B1 (en) 2011-07-06
DE102005012706B4 (en) 2006-11-23
EP1700636A3 (en) 2008-06-18
DE102005012706A1 (en) 2006-09-21

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