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EP0719587B1 - Shower head, in particular for a hand-held shower - Google Patents

Shower head, in particular for a hand-held shower Download PDF

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Publication number
EP0719587B1
EP0719587B1 EP95119779A EP95119779A EP0719587B1 EP 0719587 B1 EP0719587 B1 EP 0719587B1 EP 95119779 A EP95119779 A EP 95119779A EP 95119779 A EP95119779 A EP 95119779A EP 0719587 B1 EP0719587 B1 EP 0719587B1
Authority
EP
European Patent Office
Prior art keywords
seal
perforated plate
nozzle
housing
nozzle inserts
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.)
Expired - Lifetime
Application number
EP95119779A
Other languages
German (de)
French (fr)
Other versions
EP0719587A3 (en
EP0719587A2 (en
Inventor
Roland Huber
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
Original Assignee
Hansa Metallwerke AG
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 Hansa Metallwerke AG filed Critical Hansa Metallwerke AG
Publication of EP0719587A2 publication Critical patent/EP0719587A2/en
Publication of EP0719587A3 publication Critical patent/EP0719587A3/en
Application granted granted Critical
Publication of EP0719587B1 publication Critical patent/EP0719587B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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

Definitions

  • the seal between the shower base and the bell-shaped In these cases, the housing is made using O-ring seals, which are manufactured as separate parts and to be assembled. Both through the manufacture as well the storage and assembly of these separate Seals incur costs.
  • the object of the present invention is a shower head of the type mentioned in such a way that it can be manufactured cheaper overall.
  • the material flag can be in one in the inner surface the perforated plate formed groove.
  • the nozzle inserts are in one piece with a shock protection plate trained that essentially the whole Covering the outer surface of the perforated plate and from the same Material like the nozzle inserts.
  • This bumper plate forms, as the name already expresses, a shock protection of the outer surface of the perforated plate, the yes itself consists of rigid material and not itself is so shock resistant.
  • This shock protection plate also leaves due to the joint production with the nozzle inserts Realize without any significant additional costs.
  • the seal has at least one material lug, through a hole in the perforated plate extends through, connected to the shock protection plate is.
  • the shock protection plate which is on the seal opposite side of the perforated plate is arranged, can be practically independent of the respective position the seal through the connecting hole in the Always reach the perforated plate in a short way.
  • shower trays are circular in circumference provided, which is why the seal between the shower base and remaining shower head generally as a ring seal is trained.
  • Recommended in these cases there are several material flags over the circumference the seal are provided distributed. This majority of material flags provides a good material flow when Spraying the nozzle inserts, the shock protection plate and of the seals safely. They also take care of you good cohesion of the different components of the shower base including the seal (s), even if the soft elastic material is not in two component technology is already molded onto the rigid perforated plate for this reason fixed on the rigid perforated plate is.
  • the shower head shown includes in and of itself known a bell-shaped housing 2, the open, lower end through a multi-part shower base 1 is complete.
  • the shower base 1 is by means of a central screw 3 to the inside of the housing 2 not installed fittings of the shower head in here detachably attached in more interesting manner.
  • the shower base 1 in turn comprises a perforated plate 1a made of relatively rigid plastic material that the outer surface, i.e. on the bottom in the drawing facing surface, with a shock protection plate 1b relatively soft, elastic material covered is.
  • the shock protection plate 1b can do just like all those components to be described, which are made from the same relatively soft, elastic plastic material consist of two-component technology on the perforated plate 1a are injected.
  • the impact protection plate 1b covers essentially the entire outer surface of the perforated plate 1a.
  • the perforated plate 1 a of the shower base 1 shows in and in a manner known per se, several sets of through openings 4, 5 on concentric circles around the Center axis of the shower base 1 around in regular Angular distances are arranged.
  • the exact hole pattern, which of the through openings 4, 5 of the perforated plate 1a is formed is without in the present context Concern.
  • the through holes slightly larger in diameter 5 of the perforated plate 1a are each of a hose-like Nozzle insert 6 penetrates a relatively has a small axial length, that is, the perforated plate 1a the upper one (to the inside of the housing 2 of the shower head facing) only slightly overhanging.
  • the tubular ones Nozzle inserts 6 are each from a nozzle channel 7 axially penetrates a relatively large cross section, which is in the illustrated embodiment to the outside tapered towards.
  • the hose-like nozzle inserts 6 are also in one piece on the shock protection plate 1b molded and consist of the same material as this.
  • the through openings 4 of the perforated plate 1a are also each penetrated by hose-like nozzle inserts 8, which are in one piece with the impact protection plate 1b, but which have a greater axial length than the nozzle inserts 6, so continue to protrude on the inside of the perforated plate 1a.
  • the tubular nozzle inserts 8 are also each crossed by nozzle channels 9, the comparison a small one to the nozzle channels 7 of the nozzle inserts 6 Have cross-section.
  • the nozzle channels 9 also taper each inside out.
  • the nozzle inserts 6 have a special one Shaping, which there is a mechanical flexing relieves the user's hand, to limescale deposits in the nozzle channels 9, in particular to blow off near the water outlet openings 11. This shape is in the present context of subordinate meaning and is therefore not closer described.
  • the shower base 1 is mounted on the housing 2 of the shower head, protrude axially shorter hose-like nozzle inserts 6 in one first water space formed within the housing 2 13.
  • the insert 20 also has a central bore 21, the coaxial to the central mounting screw 3 in Towards shower floor 1. Nearby of the shower base 1 is the central bore 21 through a Extension 22 extends at its circular The outer circumference is limited by an annular collar 23. The collar 23 lies with its annular end face at the top of the perforated plate 1a. In a groove 24 at the top of the perforated plate 1a is an annular seal 25 housed which the passage of air and / or Water through the gap between collar 23 and perforated plate 1a prevented. The groove 24 in the perforated plate 1a protrudes several axially parallel holes distributed over the circumference relatively small diameter with the outer surface the perforated plate 1a in connection.
  • the ring seal 25 consists of the same material as the shock protection plate 1b and the nozzle inserts 6 and 8. It stands with the Shock protection plate 1b through the holes 26 of the perforated plate 1a penetrating material flags 33 in one piece.
  • the Perforated plate 1a On a circle with a radius smaller than that Radius of the collar 23 at the insert 20 is the Perforated plate 1a with several distributed over the circumference Through holes 27 provided, which are in corresponding Through holes 28 of the shock protection plate Continue axially. Only one of these through holes 27 and 28 can be seen in the drawing.
  • the Ring seal 29 is several over the circumference of the Material flags 31 distributed along the shower base the neighboring nozzle inserts 6 and 8 in one piece in connection.
  • the ring seal 29 seals three parts against each other: perforated plate 1a, insert 20 as well as the housing 2 of the shower head.

Landscapes

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

Abstract

The shower head has a main support plate (1a) with a pattern of holes (4,5) into which are fitted a similar pattern of hollow stubs (6,8) to shape the spray. The stubs are part of a soft elastic material cover which is fitted over the shower head in one fitting. The cover has sealing flanges (25,29) to seal onto the shower head. The sealing flanges (29,25) are linked to the cover by thin elastic sections (31,33) and are moulded in one piece with the cover. The elastic sections hold the seals in the correct position for fitting the cover and are made of the same material as the cover.

Description

Die Erfindung betrifft einen Brausekopf, insbesondere für eine Handbrause, mit

  • a) einem im wesentlichen glockenförmigen Gehäuse, in dem mindestens ein mit einem Wasserzulaufkanal verbindbarer Wasserraum ausgebildet ist;
  • b) einem Brauseboden, welcher das glockenförmige Gehäuse nach unten abschließt und umfaßt:
  • ba) eine Lochplatte aus starrem Material, die eine Vielzahl von Durchgangsbohrungen aufweist;
  • bb) eine Vielzahl von schlauchartigen Düseneinsätzen, die aus verhältnismäßig weichem, elastischem Material bestehen, jeweils von einem in einer Wasseraustrittöffnung endenden Düsenkanal durchzogen sind und jeweils durch eine Durchgangsbohrung der Lochplatte hindurchgeführt sind,
  • c) einer Dichtung, welche den Brauseboden gegen das Gehäuse oder einen im Gehäuse angeordneten Einsatz abdichtet, die gemeinsam mit den Düseneinsätzen aus demselben Material wie diese hergestellt ist und einstückig mit den Düseneinsätzen zusammenhängen, oder
    mehreren Dichtungen, welche den Brauseboden gegen das Gehäuse und einen im Gehäuse angeordneten Einsatz oder mehrere im Gehäuse angeordnete Einsätze abdichten, die gemeinsam mit den Düseneinsätzen aus demselben Material wie diese hergestellt sind und einstückig mit den Düseneinsätzen zusammenhängen.
    • The invention relates to a shower head, in particular for a hand shower, with
  • a) an essentially bell-shaped housing in which at least one water space which can be connected to a water inlet channel is formed;
  • b) a shower base which closes off the bell-shaped housing and comprises:
  • ba) a perforated plate made of rigid material, which has a plurality of through holes;
  • bb) a multiplicity of hose-like nozzle inserts, which consist of relatively soft, elastic material, are each penetrated by a nozzle channel ending in a water outlet opening and are each passed through a through hole in the perforated plate,
  • c) a seal which seals the shower base against the housing or an insert arranged in the housing, which together with the nozzle inserts is made of the same material as this and is integral with the nozzle inserts, or
    a plurality of seals which seal the shower base against the housing and an insert arranged in the housing or a plurality of inserts arranged in the housing, which are made together with the nozzle inserts from the same material as these and are integrally connected to the nozzle inserts.

    • Es ist bekannt, daß die Wasseraustrittsöffnungen an Brauseböden dazu neigen, im Laufe der Nutzungsdauer des Brausekopfes zu verkalken. Dies äußert sich zunächst in einem Strahlbild, dessen Geometrie vom Neuzustand abweicht, sowie einer geringeren abgegebenen Literleistung. Die Kalkablagerungen können soweit fortschreiten, daß schließlich die Wasseraustrittsöffnungen vollständig verstopft sind.It is known that the water outlet openings Shower floors tend to last over the course of their useful life to calcify the shower head. This is expressed first in a spray pattern, the geometry of which is new deviates, as well as a lower output of liters. The lime deposits can progress so far that finally the water outlet openings completely are clogged.

    Aus diesem Grunde ist es z. B. aus dem DE-GM 90 17 978 oder dem DE-GM 93 03 986 bekannt, die Wasseraustrittsöffnungen an schlauchartigen Düseneinsätzen aus weichelastischem Material auszubilden. Diese können durch manuelles Überstreichen so mechanisch gewalkt werden, daß die an den Mantelflächen der Düsenkanäle, insbesondere im Bereich der Wasseraustrittsöffnungen, abgelagerten Kalkschichten abgesprengt werden. Der Wasserdurchfluß durch die Wasseraustrittsöffnungen im Brauseboden ist dann wieder frei.For this reason it is e.g. B. from DE-GM 90 17 978 or the DE-GM 93 03 986 known, the water outlet openings on hose-like nozzle inserts made of soft elastic Train material. This can be done by manual sweeping can be mechanically tumbled, that on the lateral surfaces of the nozzle channels, in particular in the area of the water outlet openings Lime layers are blasted off. The water flow through the water outlet openings in the shower base is then free again.

    Die Abdichtung zwischen dem Brauseboden und dem glockenförmigen Gehäuse erfolgt in diesen Fällen durch O-Ringdichtungen, die als gesonderte Teile hergestellt und montiert werden. Sowohl durch die Herstellung als auch die Lagerhaltung und die Montage dieser gesonderten Dichtungen entstehen Kosten.The seal between the shower base and the bell-shaped In these cases, the housing is made using O-ring seals, which are manufactured as separate parts and to be assembled. Both through the manufacture as well the storage and assembly of these separate Seals incur costs.

    Aus der US-PS 24 02 741 ist ein Brausekopf der eingangs genannten Art bekannt. Bei diesem sind alle Düseneinsätze einstückig an einer Platte zusammengefaßt, die sich an der Innenseite der starren Lochplatte entlang erstreckt. Diese die Düseneinsätze verbindende Platte ist an ihrem Außenumfang mit einer Dichtlippe versehen, welche der Abdichtung zwischen dem Brauseboden und dem Gehäuse dient. Hier geht es also darum, ein ohnehin vorhandenes Teil, nämlich die die Düseneinsätze miteinander verbindende Platte, gleichzeitig als Dichtung einzusetzen. Über Dichtungen, die sich nicht in unmittelbarer Nähe zu den Düseneinsätzen befinden und mit diesen auch in keiner funktionalen Beziehung stehen, ist in dieser Druckschrift nichts ausgesagt.From US-PS 24 02 741 is a shower head of the beginning known type known. With this are all nozzle inserts summarized in one piece on a plate that adapts to extends along the inside of the rigid perforated plate. This plate connecting the nozzle inserts is on their Provide the outer circumference with a sealing lip, which the Sealing between the shower base and the housing is used. So this is about an already existing part, namely the one connecting the nozzle inserts Plate to be used simultaneously as a seal. About seals, which are not in close proximity to the nozzle inserts and with them in no functional There is nothing in this publication testified.

    Aufgabe der vorliegenden Erfindung ist es, einen Brausekopf der eingangs genannten Art derart auszugestalten, daß er insgesamt preisgünstiger hergestellt werden kann.The object of the present invention is a shower head of the type mentioned in such a way that it can be manufactured cheaper overall.

    Diese Aufgabe wird bei einem Brausekopf der eingangs genannten Art dadurch gelöst, daß

  • d) mindestens eine Dichtung über mindestens eine Materialfahne mit mindestens einem Düseneinsatz verbunden ist.
    • This object is achieved in a shower head of the type mentioned in that
  • d) at least one seal is connected to at least one nozzle insert via at least one material vane.

    • Erfindungsgemäß wird der einstückige Zusammenhang zwischen den Düseneinsätzen und den hiervon auch entfernten Dichtungen durch eine gesonderte Materialfahne hergestellt. Die Materialfahne kann dabei in einer in der Innenfläche der Lochplatte eingeformten Nut angeordnet sein.According to the one-piece relationship between the nozzle inserts and the seals removed from them produced by a separate material flag. The material flag can be in one in the inner surface the perforated plate formed groove.

    Bei einer sehr vorteilhaften Ausführungsform der Erfindung sind die Düseneinsätze einstückig mit einer Stoßschutzplatte ausgebildet, die im wesentlichen die ganze Außenfläche der Lochplatte abdeckt und aus demselben Material wie die Düseneinsätze besteht. Diese Stoßschutzplatte bildet, wie der Name bereits zum Ausdruck bringt, einen Stoßschutz der Außenfläche der Lochplatte, die ja selbst aus starrem Material besteht und selbst nicht so stoßbeständig ist. Auch diese Stoßschutzplatte läßt sich aufgrund der gemeinsamen Herstellung mit den Düseneinsätzen ohne nennenswerte zusätzliche Kosten verwirklichen.In a very advantageous embodiment of the invention the nozzle inserts are in one piece with a shock protection plate trained that essentially the whole Covering the outer surface of the perforated plate and from the same Material like the nozzle inserts. This bumper plate forms, as the name already expresses, a shock protection of the outer surface of the perforated plate, the yes itself consists of rigid material and not itself is so shock resistant. This shock protection plate also leaves due to the joint production with the nozzle inserts Realize without any significant additional costs.

    Wird eine derartige Stoßschutzplatte verwendet, so ist auch eine Ausgestaltung der Erfindung in der Weise von Vorteil, daß die Dichtung über mindestens eine Materialfahne, die sich durch eine Bohrung in der Lochplatte hindurch erstreckt, mit der Stoßschutzplatte verbunden ist. Die Stoßschutzplatte, die ja auf der der Dichtung gegenüberliegenden Seite der Lochplatte angeordnet ist, läßt sich praktisch unabhängig von der jeweiligen Position der Dichtung durch die verbindende Bohrung in der Lochplatte immer auf kurzem Wege erreichen.If such a shock protection plate is used, then also an embodiment of the invention in the manner of Advantage that the seal has at least one material lug, through a hole in the perforated plate extends through, connected to the shock protection plate is. The shock protection plate, which is on the seal opposite side of the perforated plate is arranged, can be practically independent of the respective position the seal through the connecting hole in the Always reach the perforated plate in a short way.

    Im allgemeinen sind Brauseböden mit kreisförmigem Umfang versehen, weshalb auch die Dichtung zwischen Brauseboden und restlichem Brausekopf im allgemeinen als Ringdichtung ausgebildet ist. In diesen Fällen empfiehlt es sich, daß mehrere Materialfahnen über den Umfang der Dichtung verteilt vorgesehen sind. Diese Mehrzahl von Materialfahnen stellt einen guten Materialfluß beim Spritzen der Düseneinsätze, der Stoßschutzplatte und der Dichtungen sicher. Sie sorgen außerdem für einen guten Zusammenhalt der verschiedenen Komponenten des Brausebodens einschließlich der Dichtung(en), auch wenn das weichelastische Material nicht in zwei Komponententechnik an die starre Lochplatte angespritzt ist, also bereits aus diesem Grunde an der starren Lochplatte festgelegt ist.Generally, shower trays are circular in circumference provided, which is why the seal between the shower base and remaining shower head generally as a ring seal is trained. Recommended in these cases there are several material flags over the circumference the seal are provided distributed. This majority of material flags provides a good material flow when Spraying the nozzle inserts, the shock protection plate and of the seals safely. They also take care of you good cohesion of the different components of the Shower base including the seal (s), even if the soft elastic material is not in two component technology is already molded onto the rigid perforated plate for this reason fixed on the rigid perforated plate is.

    Selbstverständlich ist aber unabhängig hiervon das Anspritzen aller weichelastischer Komponenten an die starre Lochplatte in der bekannten Zweikomponententechnik im Rahmen der Erfindung möglich und von Vorteil.Of course, the spraying is independent of this all soft elastic components to the rigid Perforated plate in the well-known two-component technology in Possible and advantageous within the scope of the invention.

    Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnung näher erläutert; die einzige Figur zeigt die (Teil-)Seitenansicht eines Brausekopfes, teilweise im Schnitt.An embodiment of the invention is as follows explained in more detail with reference to the drawing; the only figure shows the (partial) side view of a shower head, partially on average.

    Der dargestellte Brausekopf umfaßt in an und für sich bekannter Weise ein glockenförmiges Gehäuse 2, dessen offenes, unteres Ende durch einen mehrteiligen Brauseboden 1 abgeschlossen ist. Der Brauseboden 1 ist mittels einer zentralen Schraube 3 an den innerhalb des Gehäuses 2 untergebrachten Einbauten des Brausekopfes in hier nicht näher interessierender Weise lösbar befestigt.The shower head shown includes in and of itself known a bell-shaped housing 2, the open, lower end through a multi-part shower base 1 is complete. The shower base 1 is by means of a central screw 3 to the inside of the housing 2 not installed fittings of the shower head in here detachably attached in more interesting manner.

    Der Brauseboden 1 seinerseits umfaßt eine Lochplatte 1a aus verhältnismäßig starrem Kunststoffmaterial, die an der Außenfläche, also an der in der Zeichnung nach unten zeigenden Fläche, mit einer Stoßschutzplatte 1b aus verhältnismäßig weichem, elastischem Material abgedeckt ist. Die Stoßschutzplatte 1b kann ebenso wie alle diejenigen noch zu beschreibenden Komponenten, die aus demselben verhältnismäßig weichen, elastischen Kunststoffmaterial bestehen, in Zweikomponenten-Technik an die Lochplatte 1a angespritzt werden. Die Stoßschutzplatte 1b überdeckt im wesntlichen die gesamte Außenfläche der Lochplatte 1a.The shower base 1 in turn comprises a perforated plate 1a made of relatively rigid plastic material that the outer surface, i.e. on the bottom in the drawing facing surface, with a shock protection plate 1b relatively soft, elastic material covered is. The shock protection plate 1b can do just like all those components to be described, which are made from the same relatively soft, elastic plastic material consist of two-component technology on the perforated plate 1a are injected. The impact protection plate 1b covers essentially the entire outer surface of the perforated plate 1a.

    Die Lochplatte 1a des Brausebodens 1 weist in an und für sich bekannter Weise mehrere Sätze von Durchgangsöffnungen 4, 5 auf, die auf konzentrischen Kreisen um die Mittelachse des Brausebodens 1 herum in regelmäßigen Winkelabständen angeordnet sind. Das genaue Lochmuster, welches von den Durchgangsöffnungen 4, 5 der Lochplatte 1a gebildet wird, ist im vorliegenden Zusammenhang ohne Belang.The perforated plate 1 a of the shower base 1 shows in and in a manner known per se, several sets of through openings 4, 5 on concentric circles around the Center axis of the shower base 1 around in regular Angular distances are arranged. The exact hole pattern, which of the through openings 4, 5 of the perforated plate 1a is formed is without in the present context Concern.

    Die im Durchmesser etwas größeren Durchgangsöffnungen 5 der Lochplatte 1a werden jeweils von einem schlauchartigen Düseneinsatz 6 durchsetzt, der eine verhältnismäßig geringe axiale Länge aufweist, also die Lochplatte 1a an der oberen (zum Inneren des Gehäuses 2 des Brausekopfes gewandten) Seite nur geringfügig überragt. Die schlauchartigen Düseneinsätze 6 werden jeweils von einem Düsenkanal 7 verhältnismäßig großen Querschnittes axial durchsetzt, der sich beim dargestellten Ausführungsbeispiel zur Außenseite hin konisch verjüngt. Die schlauchartigen Düseneinsätze 6 sind zudem einstückig an die Stoßschutzplatte 1b angeformt und bestehen aus demselben Material wie diese.The through holes slightly larger in diameter 5 of the perforated plate 1a are each of a hose-like Nozzle insert 6 penetrates a relatively has a small axial length, that is, the perforated plate 1a the upper one (to the inside of the housing 2 of the shower head facing) only slightly overhanging. The tubular ones Nozzle inserts 6 are each from a nozzle channel 7 axially penetrates a relatively large cross section, which is in the illustrated embodiment to the outside tapered towards. The hose-like nozzle inserts 6 are also in one piece on the shock protection plate 1b molded and consist of the same material as this.

    Auch die Durchtrittsöffnungen 4 der Lochplatte 1a werden jeweils von schlauchartigen Düseneinsätzen 8 durchsetzt, die mit der Stoßschutzplatte 1b einstückig sind, die jedoch eine größere axiale Länge als die Düseneinsätze 6 besitzen, also auf der Innenseite der Lochplatte 1a weiter überstehen. Die schlauchartigen Düseneinsätze 8 werden ebenfalls jeweils von Düsenkanälen 9 durchzogen, die im Vergleich zu den Düsenkanälen 7 der Düseneinsätze 6 einen kleinen Querschnitt aufweisen. Auch die Düsenkanäle 9 verjüngen sich jeweils von innen nach außen.The through openings 4 of the perforated plate 1a are also each penetrated by hose-like nozzle inserts 8, which are in one piece with the impact protection plate 1b, but which have a greater axial length than the nozzle inserts 6, so continue to protrude on the inside of the perforated plate 1a. The tubular nozzle inserts 8 are also each crossed by nozzle channels 9, the comparison a small one to the nozzle channels 7 of the nozzle inserts 6 Have cross-section. The nozzle channels 9 also taper each inside out.

    Am äußeren Ende besitzen die Düseneinsätze 6 eine spezielle Formgebung, welche dort ein mechanisches Walken durch die überstreichende Hand des Benutzers erleichtert, um Kalkablagerungen in den Düsenkanälen 9, insbesondere in der Nähe der Wasseraustrittsöffnungen 11, abzusprengen. Diese Formgebung ist im vorliegenden Zusammenhang von untergeordneter Bedeutung und wird daher nicht näher beschrieben. At the outer end, the nozzle inserts 6 have a special one Shaping, which there is a mechanical flexing relieves the user's hand, to limescale deposits in the nozzle channels 9, in particular to blow off near the water outlet openings 11. This shape is in the present context of subordinate meaning and is therefore not closer described.

    Wenn der Brauseboden 1, wie in der Zeichnung dargestellt, an dem Gehäuse 2 des Brausekopfes montiert ist, ragen die axial kürzeren schlauchartigen Düseneinsätze 6 in einen ersten innerhalb des Gehäuses 2 ausgebildeten Wasserraum 13. Die axial innenliegenden Enden der axial längeren schlauchartigen Düseneinsätze 8 dagegen werden in Durchgangsbohrungen 14 einer inneren Trennwand 15 aufgenommen, welche Teil eines Einsatzes 20 ist und den ersten Wasserraum 13 innerhalb des Gehäuses 2 von einem zweiten Wasserraum 16 trennt, der einen größeren Abstand von dem Brauseboden 1 aufweist.If the shower base 1, as shown in the drawing, is mounted on the housing 2 of the shower head, protrude axially shorter hose-like nozzle inserts 6 in one first water space formed within the housing 2 13. The axially inner ends of the axially longer ones hose-like nozzle inserts 8, however, are in through holes 14 an inner partition 15 is added, which is part of an insert 20 and the first water space 13 within the housing 2 from a second water space 16 separates a greater distance from the shower base 1 has.

    Der Einsatz 20 besitzt außerdem eine Mittelbohrung 21, die koaxial zu der zentralen Befestigungsschraube 3 in Richtung auf den Brauseboden 1 zu verläuft. In der Nähe des Brausebodens 1 ist die Mittelbohrung 21 durch eine Erweiterung 22 verlängert, die an ihrem kreisförmigen Außenumfang von einem ringförmigen Kragen 23 begrenzt ist. Der Kragen 23 liegt mit seiner ringförmigen Stirnfläche an der Oberseite der Lochplatte 1a an. In einer Nut 24 an der Oberseite der Lochplatte 1a ist eine Ringdichtung 25 untergebracht, welche den Durchgang von Luft und/oder Wasser durch den Spalt zwischen Kragen 23 und Lochplatte 1a verhindert. Die Nut 24 in der Lochplatte 1a steht über mehrere, über den Umfang verteilte achsparallele Bohrungen verhältnismäßig kleinen Durchmessers mit der Außenfläche der Lochplatte 1a in Verbindung. Die Ringdichtung 25 besteht aus demselben Material wie die Stoßschutzplatte 1b und die Düseneinsätze 6 und 8. Sie steht mit der Stoßschutzplatte 1b über die Bohrungen 26 der Lochplatte 1a durchdringende Materialfahnen 33 einstückig in Verbindung.The insert 20 also has a central bore 21, the coaxial to the central mounting screw 3 in Towards shower floor 1. Nearby of the shower base 1 is the central bore 21 through a Extension 22 extends at its circular The outer circumference is limited by an annular collar 23. The collar 23 lies with its annular end face at the top of the perforated plate 1a. In a groove 24 at the top of the perforated plate 1a is an annular seal 25 housed which the passage of air and / or Water through the gap between collar 23 and perforated plate 1a prevented. The groove 24 in the perforated plate 1a protrudes several axially parallel holes distributed over the circumference relatively small diameter with the outer surface the perforated plate 1a in connection. The ring seal 25 consists of the same material as the shock protection plate 1b and the nozzle inserts 6 and 8. It stands with the Shock protection plate 1b through the holes 26 of the perforated plate 1a penetrating material flags 33 in one piece.

    Auf einem Kreis mit einem Radius, der kleiner als der Radius des Ringbundes 23 am Einsatz 20 ist, ist die Lochplatte 1a mit mehreren über den Umfang verteilten Durchgangsbohrungen 27 versehen, die sich in entsprechenden Durchgangsbohrungen 28 der Stoßschutzplatte 1b axial fortsetzen. Nur eine dieser Durchgangsbohrungen 27 bzw. 28 ist in der Zeichnung erkennbar.On a circle with a radius smaller than that Radius of the collar 23 at the insert 20 is the Perforated plate 1a with several distributed over the circumference Through holes 27 provided, which are in corresponding Through holes 28 of the shock protection plate Continue axially. Only one of these through holes 27 and 28 can be seen in the drawing.

    Eine zweite ringförmige Dichtung 29, die ebenfalls aus demselben Material wie die Stoßschutzplatte 1b und die Düseneinsätze 6 und 8 gefertigt ist, liegt in einer Stufe 30 ein, die an der Innenseite der Lochplatte 1a in deren radial äußerstem Bereich ausgeformt ist. Die Ringdichtung 29 steht über mehrere über den Umfang des Brausebodens hinweg verteilte Materialfahnen 31 mit den benachbarten Düseneinsätzen 6 bzw. 8 einstückig in Verbindung. Die Ringdichtung 29 dichtet drei Teile gegeneinander ab: die Lochplatte 1a, den Einsatz 20 sowie das Gehäuse 2 des Brausekopfes.A second annular seal 29, which is also made of the same material as the bumper plate 1b and the Nozzle inserts 6 and 8 is made in one Step 30, which on the inside of the perforated plate 1a is formed in the radially outermost region. The Ring seal 29 is several over the circumference of the Material flags 31 distributed along the shower base the neighboring nozzle inserts 6 and 8 in one piece in connection. The ring seal 29 seals three parts against each other: perforated plate 1a, insert 20 as well as the housing 2 of the shower head.

    Aufgrund der einstückigen Verbindung aller aus demselben weichelastischen Material bestehenden Teile, insbesondere also auch aufgrund der Verbindung zwischen den Ringdichtungen 25, 29 und den Düseneinsätzen 6, 8 bzw. der Stoßschutzplatte 1b ist es möglich, die zur Abdichtung des Brausebodens 1 an dem restlichen Brausekopf erforderlichen Dichtungen bei der Herstellung des Brausebodens 1 selbst ohne besonderen Arbeitsgang mit anzufertigen und an der richtigen Stelle zu positionieren.Because of the one-piece connection of all of the same soft elastic material existing parts, in particular also because of the connection between the ring seals 25, 29 and the nozzle inserts 6, 8 or the impact protection plate 1b it is possible to seal the Shower base 1 required on the rest of the shower head Seals in the manufacture of the shower base 1 even without having to make a special operation and position it in the right place.

    Die Funktion des beschriebenen Brausekopfes ist wie folgt:The function of the shower head described is as follows:

    Das in bekannter Weise durch den Handgriff 2a des Brausekopfes zufließende Wasser wird mittels einer Umstellvorrichtung, die über ein wippenförmiges Betätigungsorgan 17 bedient wird, wahlweise zum ersten Wasserraum 13 oder zum zweiten Wasserraum 16 geleitet. This in a known manner through the handle 2a of the shower head inflowing water is switched off via a rocker-shaped actuator 17 is operated, either to the first water room 13 or passed to the second water space 16.

    Steht die Umstellvorrichtung so, daß das Wasser in den ersten Wasserraum 13 gelangt, so kann es von dort über die Düsenkanäle 7 der schlauchförmigen Düseneinsätze 6 und deren Austrittsöffnungen 10 austreten. Aufgrund des verhältnismäßig großen Durchmessers der Austrittsöffnungen 10 ergeben sich verhältnismäßig langsame Wasserstrahlen mit großem Durchmesser, die als "Weichstrahlen" bekannt sind. Diese Wasserstrahlen werden zudem in hier nicht näher interessierender weise mit Luft vermischt, welche über die Durchgangsbohrungen 27, 28 des Brausebodens 1 und die Mittelbohrung 21 des Einsatzes 20 angesaugt wird.Is the changeover device so that the water in the first water chamber 13 arrives, so it can from there the nozzle channels 7 of the tubular nozzle inserts 6 and the outlet openings 10 emerge. Because of the relatively large diameter of the outlet openings 10 there are relatively slow water jets large diameter, known as "soft blasting" are. These water jets are also not in here interestingly mixed with air, which via the through bores 27, 28 of the shower base 1 and the central bore 21 of the insert 20 is sucked in becomes.

    Wenn mittels des wippenförmigen Betätigungsorganes 17 die Umstellvorrichtung so betätigt wird, daß das über den Handgriff 2a zuströmende Wasser in den zweiten Wasserraum 16 gelangt, so strömt dieses Wasser über die Durchtrittsöffnungen 14 der Trennwand 15 in die schlauchartigen Düseneinsätze 8 des Brausebodens 1 über. In den verhältnismäßig schmalen Düsenkanälen 9 der schlauchartigen Düseneinsätze 8, und insbesondere in deren sich konisch auf die Austrittsöffnung 11 zu verjüngenden Endbereichen wird das Wasser stark beschleunigt; es tritt in Form eines verhältnismäßig schmalen Strahles mit hoher Geschwindigkeit aus den Öffnungen 11 aus. Diese Wasserstrahlen werden daher auch "Hartstrahlen" genannt.If by means of the rocker-shaped actuator 17 the changeover device is actuated so that the the water flowing into the handle 2a into the second water space 16 arrives, this water flows through the passage openings 14 of the partition 15 in the hose-like Nozzle inserts 8 of the shower base 1 above. In the proportionate narrow nozzle channels 9 of the hose-like nozzle inserts 8, and especially in their conical the outlet opening 11 becomes tapered end regions the water accelerates strongly; it occurs in the form of a relatively narrow beam at high speed out of the openings 11. These water jets will therefore also called "hard blasting".

    Claims (6)

    1. Spray head, particularly for a hand spray, having
      a) an essentially bell-shaped housing in which at least one water chamber which can be connected to a water supply duct is constructed;
      b) a spray base which closes off the bell-shaped housing in the downward direction and comprises:
      ba) a perforated plate which is made of rigid material and has a multitude of through-bores;
      bb) a multitude of hose-like nozzle inserts which consist of relatively soft elastic material, are each penetrated by a nozzle duct terminating in a water outlet aperture, and each have a through-bore in the perforated plate passing through them;
      c) a seal which seals off the spray base from the housing or from an insert disposed in the said housing and which is manufactured, together with the nozzle inserts, from the same material as the latter and coheres with them in one piece, or
      a plurality of seals which seal off the spray base from the housing and from an insert disposed in the said housing or from a plurality of inserts disposed in the latter, and which are manufactured, together with the nozzle inserts, from the same material as the latter and cohere with them in one piece,
      characterised in that
      d) at least one seal (29) is connected, via at least one vane of material (31), to at least one nozzle insert (6).
    2. Spray head according to claim 1, characterised in that the vane of material (31) extends along on the inner face of the perforated plate (1a).
    3. Spray head according to claim 2, characterised in that the vane of material (31) is disposed in a groove (32) formed into the inner face of the perforated plate (1a).
    4. Spray head according to one of the preceding claims, characterised in that the nozzle inserts (6, 8) are constructed in one piece with an impact-protection plate (1b) which essentially masks the entire outer face of the perforated plate (1a) and consists of the same material as the nozzle inserts (6, 8).
    5. Spray head according to claim 4, characterised in that the seal (25) is connected to the impact-protection plate (1b) via at least one vane of material (33) which extends through a bore (26) in the perforated plate (1a).
    6. Spray head according to claim 3, 4 or 5, in which the seal is constructed as an annular seal, characterised in that a plurality of vanes of material (31, 33) are provided in a manner distributed over the periphery of the seal (25, 29).
    EP95119779A 1994-12-29 1995-12-15 Shower head, in particular for a hand-held shower Expired - Lifetime EP0719587B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE4447115 1994-12-29
    DE4447115A DE4447115C2 (en) 1994-12-29 1994-12-29 Shower head, especially for a hand shower

    Publications (3)

    Publication Number Publication Date
    EP0719587A2 EP0719587A2 (en) 1996-07-03
    EP0719587A3 EP0719587A3 (en) 1998-02-11
    EP0719587B1 true EP0719587B1 (en) 2003-03-19

    Family

    ID=6537435

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP95119779A Expired - Lifetime EP0719587B1 (en) 1994-12-29 1995-12-15 Shower head, in particular for a hand-held shower

    Country Status (7)

    Country Link
    US (1) US5702057A (en)
    EP (1) EP0719587B1 (en)
    JP (1) JP3866315B2 (en)
    AT (1) ATE234686T1 (en)
    DE (1) DE4447115C2 (en)
    ES (1) ES2193167T3 (en)
    FI (1) FI956162A (en)

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    Also Published As

    Publication number Publication date
    EP0719587A3 (en) 1998-02-11
    US5702057A (en) 1997-12-30
    DE4447115A1 (en) 1996-11-21
    EP0719587A2 (en) 1996-07-03
    FI956162A0 (en) 1995-12-21
    JPH08229436A (en) 1996-09-10
    JP3866315B2 (en) 2007-01-10
    FI956162A (en) 1996-06-30
    ES2193167T3 (en) 2003-11-01
    DE4447115C2 (en) 1998-11-19
    ATE234686T1 (en) 2003-04-15

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