EP2692448B1 - Shower head - Google Patents

Shower head Download PDF

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Publication number
EP2692448B1
EP2692448B1 EP13176878.0A EP13176878A EP2692448B1 EP 2692448 B1 EP2692448 B1 EP 2692448B1 EP 13176878 A EP13176878 A EP 13176878A EP 2692448 B1 EP2692448 B1 EP 2692448B1
Authority
EP
European Patent Office
Prior art keywords
shower head
jet
outlet openings
water
jet outlet
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.)
Active
Application number
EP13176878.0A
Other languages
German (de)
French (fr)
Other versions
EP2692448A1 (en
Inventor
Jürgen BÜHLER
Fabian Melle
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.)
Hansgrohe SE
Original Assignee
Hansgrohe SE
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Filing date
Publication date
Family has litigation
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Application filed by Hansgrohe SE filed Critical Hansgrohe SE
Priority to PL13176878T priority Critical patent/PL2692448T3/en
Publication of EP2692448A1 publication Critical patent/EP2692448A1/en
Application granted granted Critical
Publication of EP2692448B1 publication Critical patent/EP2692448B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/16—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/16—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets
    • B05B1/1627—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock
    • B05B1/1636—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock by relative rotative movement of the valve elements
    • 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
    • B05B1/1681—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a gate valve, sliding valve or cock and a 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
    • 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
    • B05B1/3006—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 the controlling element 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
    • 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
    • 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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S239/00—Fluid sprinkling, spraying, and diffusing
    • Y10S239/12—Flexible outlets

Definitions

  • the invention relates to a shower head for a sanitary shower, in which a plurality of water guides are arranged in a shower head housing, which lead to different jet outlet openings.
  • the patent US 7,100,845 B1 discloses a showerhead of this type, which has two fluid-separated groups of jet outlets, namely a central group for providing a massage jet and a group of jet outlets with a softer jet exit characteristic which surrounds them in an annular manner.
  • Two fluid-separated water guides serve the separate water supply for the two groups of jet outlet openings.
  • supplied water can be selectively directed into one or the other or both water channels, so that it emerges from one or the other or both groups of jet outlet openings.
  • the publication DE 103 13 822 A1 discloses a shower head, wherein switched by means of a switching device between a water supply to a first region or to a second region of a provided with a plurality of outlet openings jet exit surface may be wholly or partially overlapping areas or complementary areas.
  • a circumferential sealing lip is integrally formed, which divides a water distribution chamber behind the jet disk in the corresponding areas in conjunction with a circumferential annular shoulder of a housing base.
  • the publication DE 10 2010 006 376 A1 discloses a jet regulator for the outlet of a sanitary fitting or shower, comprising at least two flow chambers or flow channels, each having an inflow opening and one or more water outlet openings.
  • the control of the inflow is effected by a valve having an elastic valve body which selectively closes or releases the inflow openings by deformation, the deformation being effected by a change in the applied water pressure or by mechanical actuation by means of a control element.
  • the valve is designed so that the valve body selectively releases either one of the two inlet openings and the other shuts off or shuts off both inlet openings.
  • the publication EP 2 301 668 A1 discloses a shower with rotatable shower head in a shower head, which has a plurality of separate water ducts for several groups of jet outlet openings in an exit-side jet disk with chambers, each communicating with an inlet opening on an outer circumference, wherein the respective inlet opening of an integrated into the shower enclosure inlet element can be flowed radially.
  • a springless sealing unit is formed at the transition from the inlet element to the inlet opening, which comprises a sealing chamber with at least one attached thereto or inserted therein sealing element.
  • the invention is based on the object to provide a shower head, which is very simple, can be assembled easily and leads to a well-defined seal between the jet outlet openings.
  • the invention proposes a shower head with the features mentioned in claim 1. Further developments of the invention are the subject of dependent claims.
  • the seal can be designed so that it is produced during assembly of the showerhead housing, for example, when the jet disk is connected to the showerhead housing.
  • the seal between the groups of jet outlet openings forms a type of valve device which, depending on the side from which pressurization by the water in the showerhead housing acts on the seal, optionally closes or opens an opening between two groups of jet outlets dependent on water pressure.
  • the seal only works in one direction. It can be biased so that when the pressure is applied in the opposite direction only when a certain pressure is exceeded, an opening.
  • the seal is formed by a deformable by water pressure element, which rests for sealing at a preferably fixed edge of the opening between the two groups of jet outlet openings.
  • the movement of the valve device happens in this case only by a deformation of an element itself, so that no movable parts are required.
  • the deformable element is formed by a lip which is integrally formed on a voltage applied to the inside of the jet disk liner of an elastomeric material. This lining of elastomeric material can then simultaneously take over the edge seal of the jet disk, so that the number of items required for the shower head housing does not increase.
  • the lip may have different stiffness along its longitudinal extent, so that it seals continuously, for example in the area of different radius, and retains its movable function in other areas.
  • the different stiffness can be effected for example by a different thickness of the lip.
  • the opening is different in width.
  • the elastomer lining may be made with the jet disk as a two-component part. But it is also possible that it is made as a separate mat and a laid.
  • the deformable lip is integrally formed on that elastomeric lining, which also has nipples formed to form jet exit channels, wherein the jet outlet channels provide the jet outlet openings.
  • the opening between the two groups of jet outlet openings has the shape of a slot whose longitudinal direction can extend approximately parallel to the jet disk.
  • the at least two water guides in the showerhead housing can emanate, for example, from an inlet already forming several separate inlet channels into the showerhead housing.
  • a diverter valve is arranged, which is switched between the water inlet into the housing and the water guides and depending on the water supply with water supply.
  • the groups of jet outlet openings are preferably arranged in a ring shape according to a further proposal of the invention, so that one group of jet outlet openings surrounds another group in an annular manner.
  • the shape of the rings can vary from circular to rectangular and take any shape.
  • the solution is preferred in which the permeability of the sealing device acting as a valve is given radially from outside to inside. This means that when supplying the respective inner group of jet outlet openings, the outer group is not supplied with water, while supplying the outer group of jet outlet openings, the water also exits from the inner group.
  • the shower head adjacent to the jet disk ie immediately behind the jet disk, has an intermediate disc.
  • the seal can then be done between this washer and the jet disk.
  • the edge of the opening which acts as a valve opening, is formed on the intermediate disc.
  • valve opening extends annularly around the respective group of jet outlet openings.
  • the water ducts are arranged in front of the intermediate disk and that the connection between the water ducts and the associated groups of jet outlet openings takes place through in each case at least one opening in the intermediate disk.
  • FIG. 1 shows a section through the shower head of a hand shower, the handle 1 is shown only in part.
  • the shower head contains a Shower head housing 2, which is closed on one side by a jet disk 3.
  • the jet disk 3 is immovably connected to the showerhead housing 2.
  • a key 4 for actuating a switching valve 5 is arranged in the region between the showerhead housing 2 and the handle 1. This switching valve 5 is turned on between the water inlet in the shower head 2 and the water channels present in the shower head.
  • the water enters the shower head 2 through a line 6 within the handle 1 of the hand shower.
  • the handle 1 and the showerhead housing 2 is a one-piece component.
  • two essentially flat disks 7, 8 are arranged in the shower head housing 2 and extend approximately parallel to one another.
  • a disc 7 is formed as a rear wall of the water ducts, the other disc forms an intermediate disc 8 and extends immediately behind the jet disc 3.
  • the rear wall 7 of the water ducts extends in front of the rear wall of the showerhead housing second
  • the section shows the FIG. 2 a rotatable valve closing body 9, which in the position of FIG. 2 a given water supply supplied with water.
  • the shower head housing contains a total of three downstream of the switching valve 5 arranged water guides.
  • a first water guide 11 leads straight from the switching valve 5 as a channel in the center of the approximately circular cylindrical shower head.
  • a second water guide 12 Separated by a partition extends around the end of the first water guide, a second water guide 12, which is as approximated Ring channel is formed and adjacent at its one end to the switching valve 5. Separated by a further partition, the second water guide 12 is surrounded by a third water guide 13, which is likewise designed as an annular channel. This third water guide 13 is connected at one of its ends to the switching valve 5 in connection.
  • All three water guides 11, 12, 13 are separated by partitions from each other or from the outer edge of the showerhead housing 2, which extend between the rear wall 7 and the washer 8 and are connected to both.
  • the intermediate walls are integrally formed on the intermediate disc 8 and are connected to the rear wall 7.
  • the intermediate wall 14 between the inner water guide 11 and the central water guide 12 is formed relatively thicker, while the remaining intermediate walls 15, 16 are formed narrower.
  • each water guide 11, 12, 13 each have an opening 17, 18, 19, through which the water passes from the water guide into the space between the washer 8 and the jet disk 3.
  • the switching valve 5 is set so that the water leaving the switching valve 5 enters the third water supply 13.
  • the connection happens outside the drawing plane.
  • the water present in the third water guide 13 can therefore pass through the opening 19 in the intermediate disk 8 into the space behind the jet disk 3.
  • the jet disk 3 has later shown in more detail beam openings formed of nipples of an elastomeric material, all nipples on one on the inside of the jet disk 3 adjacent lining are molded from this material. On this lining and sealing elements are formed, which seal in the area between the washer 8 and the jet disk 3 spaces from each other, which are the three water ducts 11, 12, 13 associated.
  • the showerhead housing can be very easily assembled from a few parts, in which case the sealing elements on the back of the jet disk 3 take over the seal.
  • the liner also has seals that seal the outer edge of the jet disk.
  • valve closing body 9 of the switching valve 5 is brought into a rotational position in which the outlet of the switching valve 5 is in communication with the central water guide 12. As soon as the water flows in through the line 6, it therefore enters the central water guide 12 and from there through the opening 18 into the space between the intermediate disk 8 and the jet disk 3.
  • FIGS. 5 and 6 is the representation chosen so that the valve closing body 9 of the switching valve 5 is oriented so that the first water supply 11 can be supplied with water. The water thus flows out of the first water guide 11 through the central opening 17 into the region between the intermediate disk 8 and the jet disk 3.
  • FIGS. 7 to 9 On an enlarged scale, the operation of the invention will be explained in more detail using an exemplary embodiment.
  • the three figures show details of the cuts of the FIG. 1 . 3 and 5 on an enlarged scale.
  • circumferential ribs are formed, namely a Ridge 20 in the region of the radial outer side, a further rib 21 between the openings 19 and 18 of the third and second water guide, and a third rib 22 between the second and the first water guide.
  • linings 23, 24 and 25 are mounted, which consist of an elastomeric material and extend as rings around the entire jet disk around.
  • the three liners 23, 24, 25 could also be part of a common liner. They lie with their largest part in a recess in the back 26 of the jet disk 3.
  • nipples 27 is formed, which through holes of the jet disk 3 to the front or outside of the jet disk. 3 protrude and protrude slightly on the front. It is a plurality of such nipple 27, which are arranged over the entire circumference of the jet disk away.
  • the nipples 27 form the jet outlet openings. All nipples 27 formed on a respective lining 23, 24 and 25 form a group of jet outlet openings.
  • a rib 28 is also formed in the radial outer region, which runs parallel to the outer rib 20 of the intermediate disc 8 and has a small distance from this.
  • a lip 29, 30, 31 is integrally formed on its respective radial outer edge. Each lip extends approximately at right angles to the rear side of the jet disk 3. The lip 29 lies between the rib 28 of the jet disk 3 and the rib 20 of the intermediate disk 8 and thereby seals off this intermediate space.
  • the radially inward next lip 31 is in the same manner to the third rib 22 of the washer 8 at.
  • the second and third lip 30, 31 from the outside can be supported by a respective web 32.
  • Support webs can also come from the opposite washer.
  • the lips 30 and 31 seal the groups of outlet openings from each other. Since a group of outlet openings in each case via the respective openings 17, 18, 19 in communication with a water guide 11, 12, 13, supply the water guides each have a group of outlet openings with water.
  • the deformable lips 30 and 31 rest against their ribs 21 and 22, respectively.
  • the space between the lands 32 and the respective ribs 21 and 22 forms a slot-like opening which extends around the center of the jet disk. This opening is in the depressurized state, as in FIG. 7 is shown closed by the respective lip 30, 31.
  • the operation of the shower is the following.
  • the switching valve 5 is in the in FIGS. 5 and 6 shown connected position in which the water guide 11 is connected to the inlet in the showerhead housing.
  • the water flows through the water guide 11 and the opening 17 in the washer 8 in the space between the washer 8 and the jet disk 3.
  • the water thus flows out of the jet disk 3 only in a central region.
  • the pressure of the water in this area keeps the opening closed by the lip 31 closed.
  • the switching valve is actuated so that the valve closing body 9 in FIG. 2 shown position, the water flows into the third water guide 13 and through the existing openings 19 in the space between the ribs 20 and 21 at the front of the washer 8.
  • the water pressure now open the opening between the web 32 and the Rib 21 and also the opening between the web 32 and the rib 22.
  • the water now flows out of all groups of jet outlet openings.

Description

Die Erfindung betrifft einen Brausekopf für eine Sanitärbrause, bei dem in einem Brausekopfgehäuse mehrere Wasserführungen angeordnet sind, die zu unterschiedlichen Strahlaustrittsöffnungen führen.The invention relates to a shower head for a sanitary shower, in which a plurality of water guides are arranged in a shower head housing, which lead to different jet outlet openings.

Die Patentschrift US 7.100.845 B1 offenbart einen Brausekopf dieser Art, der zwei fluidgetrennte Gruppen von Strahlaustrittsöffnungen aufweist, nämlich eine mittige Gruppe zur Bereitstellung eines Massagestrahls und eine diese ringförmig umgebende Gruppe von Strahlaustrittsöffnungen mit weicherer Strahlaustrittscharakteristik. Zwei fluidgetrennte Wasserführungen dienen der getrennten Wasserzufuhr für die beiden Gruppen von Strahlaustrittsöffnungen. Mittels eines handbetätigten Umschaltventils kann zugeführtes Wasser wahlweise in die eine oder in die andere oder in beide Wasserführungen geleitet werden, so dass es aus der einen oder der anderen oder aus beiden Gruppen von Strahlaustrittsöffnungen austritt.The patent US 7,100,845 B1 discloses a showerhead of this type, which has two fluid-separated groups of jet outlets, namely a central group for providing a massage jet and a group of jet outlets with a softer jet exit characteristic which surrounds them in an annular manner. Two fluid-separated water guides serve the separate water supply for the two groups of jet outlet openings. By means of a manually operated change-over valve, supplied water can be selectively directed into one or the other or both water channels, so that it emerges from one or the other or both groups of jet outlet openings.

Die Offenlegungsschrift DE 103 13 822 A1 offenbart einen Brausekopf, bei dem mittels einer Umstelleinrichtung zwischen einer Wasserzufuhr zu einem ersten Bereich oder zu einem zweiten Bereich einer mit einer Vielzahl von Austrittsöffnungen versehenen Strahlaustrittsfläche umgeschaltet werden kann, wobei es sich um ganz oder teilweise überschneidende Bereiche oder um komplementäre Bereiche handeln kann. An der Rückseite einer entsprechenden Strahlscheibe ist eine rings umlaufende Dichtlippe angeformt, die in Verbindung mit einem umlaufenden Ringabsatz eines Gehäusebasisteils eine Wasserverteilerkammer hinter der Strahlscheibe in die entsprechenden Bereiche einteilt.The publication DE 103 13 822 A1 discloses a shower head, wherein switched by means of a switching device between a water supply to a first region or to a second region of a provided with a plurality of outlet openings jet exit surface may be wholly or partially overlapping areas or complementary areas. At the back of a corresponding jet disk, a circumferential sealing lip is integrally formed, which divides a water distribution chamber behind the jet disk in the corresponding areas in conjunction with a circumferential annular shoulder of a housing base.

Die Offenlegungsschrift DE 10 2010 006 376 A1 offenbart einen Strahlregler für den Auslauf einer Sanitärarmatur oder Brause, der wenigstens zwei Strömungskammern oder Strömungskanäle umfasst, die jeweils eine Einströmöffnung und jeweils eine oder mehrere Wasseraustrittsöffnungen aufweisen. Die Steuerung des Zuflusses erfolgt durch ein Ventil mit einem elastischen Ventilkörper, der durch Verformung die Einströmöffnungen wahlweise verschließt oder freigibt, wobei die Verformung durch eine Änderung des anstehenden Wasserdrucks oder durch mechanische Betätigung mittels eines Stellelements bewirkt wird. Speziell ist das Ventil so ausgelegt, dass der Ventilkörper wahlweise jeweils eine der beiden Einströmöffnungen freigibt und die andere absperrt oder beide Einströmöffnungen absperrt.The publication DE 10 2010 006 376 A1 discloses a jet regulator for the outlet of a sanitary fitting or shower, comprising at least two flow chambers or flow channels, each having an inflow opening and one or more water outlet openings. The control of the inflow is effected by a valve having an elastic valve body which selectively closes or releases the inflow openings by deformation, the deformation being effected by a change in the applied water pressure or by mechanical actuation by means of a control element. Specifically, the valve is designed so that the valve body selectively releases either one of the two inlet openings and the other shuts off or shuts off both inlet openings.

Die Offenlegungsschrift EP 2 301 668 A1 offenbart eine Brause mit in einem Brausengehäuse drehbarem Brausekopf, der mehrere getrennte Wasserführungen für mehrere Gruppen von Strahlaustrittsöffnungen in einer austrittsseitigen Strahlscheibe mit Kammern aufweist, die mit je einer Zulauföffnung an einem Außenumfang in Verbindung stehen, wobei die jeweilige Zulauföffnung aus einem in das Brausengehäuse integrierten Zulaufelement radial anströmbar ist. Im Brausengehäuse ist am Übergang von dem Zulaufelement zu der Zulauföffnung eine federlose Dichtungseinheit ausgebildet, die eine Dichtungskammer mit wenigstens einem daran angebundenen oder darin eingesetzten Dichtungselement umfasst. Durch Drehen des Brausekopfs kann das Zulaufelement wahlweise mit einer der Zulauföffnungen in Fluidverbindung gebracht werden.The publication EP 2 301 668 A1 discloses a shower with rotatable shower head in a shower head, which has a plurality of separate water ducts for several groups of jet outlet openings in an exit-side jet disk with chambers, each communicating with an inlet opening on an outer circumference, wherein the respective inlet opening of an integrated into the shower enclosure inlet element can be flowed radially. In the shower housing a springless sealing unit is formed at the transition from the inlet element to the inlet opening, which comprises a sealing chamber with at least one attached thereto or inserted therein sealing element. By turning the shower head, the inlet element can optionally be brought into fluid communication with one of the inlet openings.

Weitere herkömmliche Brauseköpfe sind in den Offenlegungsschriften US 2008/0156902 A1 und DE 29 11 937 A1 offenbart.Other conventional shower heads are in the published patent applications US 2008/0156902 A1 and DE 29 11 937 A1 disclosed.

Der Erfindung liegt die Aufgabe zu Grunde, einen Brausekopf zu schaffen, der sehr einfach aufgebaut ist, sich leicht zusammensetzen lässt und zu einer genau definierten Abdichtung zwischen den Strahlaustrittsöffnungen führt.The invention is based on the object to provide a shower head, which is very simple, can be assembled easily and leads to a well-defined seal between the jet outlet openings.

Zur Lösung dieser Aufgabe schlägt die Erfindung einen Brausekopf mit den im Anspruch 1 genannten Merkmalen vor. Weiterbildungen der Erfindung sind Gegenstand von Unteransprüchen.To solve this problem, the invention proposes a shower head with the features mentioned in claim 1. Further developments of the invention are the subject of dependent claims.

Durch die getrennten Wasserführungen in dem Brausekopfgehäuse und die Abdichtung zwischen den Gruppen von Strahlaustrittsöffnungen wird dafür gesorgt, dass das in eine Wasserführung gelangende Wasser tatsächlich nur durch die zugeordnete(n) Gruppe(n) von Strahlaustrittsöffnungen austritt.Due to the separate water guides in the showerhead housing and the seal between the groups of jet outlet openings, it is ensured that the water entering a water guide actually exits only through the associated group (s) of jet outlet openings.

Im einfachsten Fall kann die Abdichtung so ausgebildet sein, dass sie beim Zusammensetzen des Brausekopfgehäuses hergestellt wird, beispielsweise dann, wenn die Strahlscheibe mit dem Brausekopfgehäuse verbunden wird.In the simplest case, the seal can be designed so that it is produced during assembly of the showerhead housing, for example, when the jet disk is connected to the showerhead housing.

Erfindungsgemäß bildet die Abdichtung zwischen den Gruppen von Strahlaustrittsöffnungen eine Art Ventileinrichtung, die z.B. je nach dem, von welcher Seite aus eine Druckbeaufschlagung durch das Wasser in dem Brausekopfgehäuse auf die Abdichtung einwirkt, eine Öffnung zwischen zwei Gruppen von Strahlaustrittsöffnungen wasserdruckabhängig wahlweise schließt oder öffnet. Mit anderen Worten wirkt die Abdichtung nur in einer Richtung. Sie kann dabei so vorgespannt sein, dass bei der Druckbeaufschlagung in umgekehrter Richtung erst bei Überschreiten eines bestimmten Drucks eine Öffnung erfolgt.According to the invention, the seal between the groups of jet outlet openings forms a type of valve device which, depending on the side from which pressurization by the water in the showerhead housing acts on the seal, optionally closes or opens an opening between two groups of jet outlets dependent on water pressure. In other words the seal only works in one direction. It can be biased so that when the pressure is applied in the opposite direction only when a certain pressure is exceeded, an opening.

Insbesondere kann in Weiterbildung der Erfindung vorgesehen sein, dass die Abdichtung von einem durch Wasserdruck verformbaren Element gebildet wird, das zur Abdichtung an einem vorzugsweise festen Rand der Öffnung zwischen den beiden Gruppen von Strahlaustrittsöffnungen anliegt. Die Bewegung der Ventileinrichtung geschieht in diesem Fall nur durch eine Verformung eines Elements selbst, so dass keine bewegbaren Teile erforderlich sind.In particular, it can be provided in a development of the invention that the seal is formed by a deformable by water pressure element, which rests for sealing at a preferably fixed edge of the opening between the two groups of jet outlet openings. The movement of the valve device happens in this case only by a deformation of an element itself, so that no movable parts are required.

Erfindungsgemäß kann in Weiterbildung vorgesehen sein, dass das verformbare Element von einer Lippe gebildet ist, die an einer an der Innenseite der Strahlscheibe anliegenden Auskleidung aus einem elastomeren Material angeformt ist. Diese Auskleidung aus elastomerem Material kann dann gleichzeitig auch die Randabdichtung der Strahlscheibe übernehmen, so dass die Zahl der für das Brausekopfgehäuse erforderlichen Einzelteile sich nicht vergrößert.According to the invention may be provided in a development that the deformable element is formed by a lip which is integrally formed on a voltage applied to the inside of the jet disk liner of an elastomeric material. This lining of elastomeric material can then simultaneously take over the edge seal of the jet disk, so that the number of items required for the shower head housing does not increase.

Die Lippe kann entlang ihrer Längserstreckung unterschiedlich steif sein, so dass sie beispielsweise im Bereich unterschiedlichen Radiusses dauernd dichtet und in anderen Bereichen ihre bewegliche Funktion beibehält. Die unterschiedliche Steifigkeit kann beispielsweise durch eine unterschiedliche Dicke der Lippe bewirkt werden.The lip may have different stiffness along its longitudinal extent, so that it seals continuously, for example in the area of different radius, and retains its movable function in other areas. The different stiffness can be effected for example by a different thickness of the lip.

Ebenfalls möglich ist es, dass die Öffnung unterschiedlich breit ist.It is also possible that the opening is different in width.

Die Elastomerauskleidung kann mit der Strahlscheibe als Zweikomponententeil gefertigt sein. Es ist aber ebenfalls möglich, dass sie als getrennte Matte hergestellt und ein gelegt ist.The elastomer lining may be made with the jet disk as a two-component part. But it is also possible that it is made as a separate mat and a laid.

Erfindungsgemäß kann in Weiterbildung der Erfindung vorgesehen sein, dass die verformbare Lippe an derjenigen Elastomer-Auskleidung angeformt ist, die auch Nippel zur Bildung von Strahlaustrittskanälen angeformt aufweist, wobei die Strahlaustrittskanäle die Strahlaustrittsöffnungen bereitstellen.According to the invention can be provided in a further development of the invention that the deformable lip is integrally formed on that elastomeric lining, which also has nipples formed to form jet exit channels, wherein the jet outlet channels provide the jet outlet openings.

Sinnvollerweise kann vorgesehen sein, dass die Öffnung zwischen den beiden Gruppen von Strahlaustrittsöffnungen die Form eines Schlitzes aufweist, dessen Längsrichtung angenähert parallel zu der Strahlscheibe verlaufen kann.It can be useful to provide that the opening between the two groups of jet outlet openings has the shape of a slot whose longitudinal direction can extend approximately parallel to the jet disk.

Die mindestens zwei Wasserführungen in dem Brausekopfgehäuse können beispielsweise von einem schon mehrere getrennte Einlasskanäle bildenden Einlass in das Brausekopfgehäuse ausgehen. Vorzugsweise kann jedoch in Weiterbildung der Erfindung vorgesehen sein, dass in dem Brausekopfgehäuse oder unmittelbar vor ihm ein Umstellerventil angeordnet ist, das zwischen dem Wassereinlass in das Gehäuse und den Wasserführungen eingeschaltet ist und je nach Stellung die Wasserführung mit Wasser versorgt.The at least two water guides in the showerhead housing can emanate, for example, from an inlet already forming several separate inlet channels into the showerhead housing. Preferably, however, may be provided in a further development of the invention that in the shower head housing or directly in front of him a diverter valve is arranged, which is switched between the water inlet into the housing and the water guides and depending on the water supply with water supply.

Die Gruppen von Strahlaustrittsöffnungen sind nach einem weiteren Vorschlag der Erfindung vorzugsweise in Ringform angeordnet, so dass eine Gruppe von Strahlaustrittsöffnungen eine andere Gruppe ringförmig umgibt. Die Form der Ringe kann dabei von Kreisform bis zu Rechteckform variieren und jede beliebige Form annehmen.The groups of jet outlet openings are preferably arranged in a ring shape according to a further proposal of the invention, so that one group of jet outlet openings surrounds another group in an annular manner. The shape of the rings can vary from circular to rectangular and take any shape.

Je nach den Umständen des Einzelfalls oder den Wünschen des Konstrukteurs kann die Richtung, in der die jeweilige Abdichtung aufgehoben wird, unterschiedlich gestaltet werden. Erfindungsgemäß wird die Lösung bevorzugt, bei der die Durchlässigkeit der als Ventileinrichtung fungierenden Abdichtung radial von außen nach innen gegeben ist. Dies bedeutet, dass bei Versorgung der jeweils inneren Gruppe von Strahlaustrittsöffnungen die äußere Gruppe nicht mit Wasser versorgt wird, während bei Versorgung der äußeren Gruppe von Strahlaustrittsöffnungen das Wasser auch aus der inneren Gruppe austritt.Depending on the circumstances of the individual case or the wishes of the designer, the direction in which the respective seal is repealed, can be designed differently. According to the invention, the solution is preferred in which the permeability of the sealing device acting as a valve is given radially from outside to inside. This means that when supplying the respective inner group of jet outlet openings, the outer group is not supplied with water, while supplying the outer group of jet outlet openings, the water also exits from the inner group.

Falls drei Kammern vorhanden sind, kann erfindungsgemäß in Weiterbildung vorgesehen sein, dass bei der Versorgung der mittleren von drei Kammern mit Wasser die innere und äußere Kammer mit geöffnet werden, umgekehrt aber nicht.If three chambers are present, it can be provided according to the invention in a further development that when supplying the middle of three chambers with water, the inner and outer chambers are opened, but not vice versa.

Erfindungsgemäß kann in Weiterbildung vorgesehen sein, dass der Brausekopf benachbart zu der Strahlscheibe, also unmittelbar hinter der Strahlscheibe, eine Zwischenscheibe aufweist. Die Abdichtung kann dann zwischen dieser Zwischenscheibe und der Strahlscheibe erfolgen. Insbesondere kann vorgesehen sein, dass der Rand der Öffnung, die als Ventilöffnung fungiert, an der Zwischenscheibe ausgebildet ist.According to the invention may be provided in a development that the shower head adjacent to the jet disk, ie immediately behind the jet disk, has an intermediate disc. The seal can then be done between this washer and the jet disk. In particular, it can be provided that the edge of the opening, which acts as a valve opening, is formed on the intermediate disc.

In nochmaliger Weiterbildung der Erfindung kann vorgesehen sein, dass die Ventilöffnung sich ringförmig um die jeweilige Gruppe von Strahlaustrittsöffnungen herum erstreckt.In a further development of the invention it can be provided that the valve opening extends annularly around the respective group of jet outlet openings.

Erfindungsgemäß kann vorgesehen sein, dass die Wasserführungen vor der Zwischenscheibe angeordnet sind und dass die Verbindung zwischen den Wasserführungen und den zugeordneten Gruppen von Strahlaustrittsöffnungen durch jeweils mindestens eine Öffnung in der Zwischenscheibe erfolgt.According to the invention it can be provided that the water ducts are arranged in front of the intermediate disk and that the connection between the water ducts and the associated groups of jet outlet openings takes place through in each case at least one opening in the intermediate disk.

Weitere Merkmale, Einzelheiten und Vorzüge der Erfindung ergeben sich aus den Ansprüchen, deren Wortlaut durch Bezugnahme zum Inhalt der Beschreibung gemacht wird, und der folgenden Beschreibung bevorzugter Ausführungsformen der Erfindung sowie anhand der Zeichnung. Hierbei zeigen:

Figur 1
einen Querschnitt durch einen Brausekopf nach der Erfindung;
Figur 2
einen senkrecht zu dem Schnitt der Figur 1 stehenden Querschnitt durch den Brausekopf in einer ersten Stellung eines Umschaltventils;
Figur 3
eine der Figur 1 entsprechende Darstellung in einer anderen Stellung eines Umschaltventils;
Figur 4
eine der Figur 2 entsprechende Darstellung mit der Stellung des Umschaltventils gemäß Figur 3;
Figur 5
eine den Figuren 1 und 3 entsprechende Darstellung in noch einer anderen Stellung des Umschaltventils;
Figur 6
einen den Figuren 2 und 4 entsprechenden Schnitt durch das Brausekopfgehäuse in der weiteren Stellung des Umschaltventils gemäß Figur 5;
Figur 7
einen vergrößerten Teilschnitt in einer ersten Position der Abdichtung;
Figur 8
einen der Figur 7 entsprechenden Schnitt in einer zweiten Position der Abdichtung;
Figur 9
einen den Figuren 7 und 8 entsprechenden Schnitt in einer dritten Position der Abdichtung.
Further features, details and advantages of the invention will become apparent from the claims, the wording of which is incorporated by reference into the content of the description, and the following description of preferred embodiments of the invention and from the drawing. Hereby show:
FIG. 1
a cross section through a shower head according to the invention;
FIG. 2
one perpendicular to the cut of the FIG. 1 standing cross section through the shower head in a first position of a changeover valve;
FIG. 3
one of the FIG. 1 corresponding representation in another position of a switching valve;
FIG. 4
one of the FIG. 2 corresponding representation with the position of the switching valve according to FIG. 3 ;
FIG. 5
a the FIGS. 1 and 3 corresponding representation in yet another position of the switching valve;
FIG. 6
a the Figures 2 and 4 corresponding section through the showerhead housing in the further position of the changeover valve according to FIG. 5 ;
FIG. 7
an enlarged partial section in a first position of the seal;
FIG. 8
one of the FIG. 7 corresponding section in a second position of the seal;
FIG. 9
a the FIGS. 7 and 8 corresponding section in a third position of the seal.

Die Figur 1 zeigt einen Schnitt durch den Brausekopf einer Handbrause, wobei der Griff 1 nur zum Teil dargestellt ist. Der Brausekopf enthält ein Brausekopfgehäuse 2, das auf einer Seite durch eine Strahlscheibe 3 abgeschlossen ist. Die Strahlscheibe 3 ist unverrückbar mit dem Brausekopfgehäuse 2 verbunden. Auf der gleichen Seite des Brausekopfgehäuses 2, auf der die Strahlscheibe 3 angeordnet ist, ist im Bereich zwischen dem Brausekopfgehäuse 2 und dem Griff 1 eine Taste 4 zum Betätigen eines Umschaltventils 5 angeordnet. Dieses Umschaltventil 5 ist zwischen dem Wassereinlass in den Brausekopf 2 und den im Brausekopf vorhandenen Wasserführungen eingeschaltet. Das Wasser gelangt in den Brausekopf 2 durch eine Leitung 6 innerhalb des Griffs 1 der Handbrause. Im dargestellten Ausführungsbeispiel ist der Griff 1 und das Brausekopfgehäuse 2 ein einstückiges Bauteil.The FIG. 1 shows a section through the shower head of a hand shower, the handle 1 is shown only in part. The shower head contains a Shower head housing 2, which is closed on one side by a jet disk 3. The jet disk 3 is immovably connected to the showerhead housing 2. On the same side of the showerhead housing 2, on which the jet disk 3 is arranged, a key 4 for actuating a switching valve 5 is arranged in the region between the showerhead housing 2 and the handle 1. This switching valve 5 is turned on between the water inlet in the shower head 2 and the water channels present in the shower head. The water enters the shower head 2 through a line 6 within the handle 1 of the hand shower. In the illustrated embodiment, the handle 1 and the showerhead housing 2 is a one-piece component.

Stromab des Umschaltventils 5 sind in dem Brausekopfgehäuse 2 zwei im Wesentlichen ebene Scheiben 7, 8 angeordnet, die angenähert parallel zueinander verlaufen. Eine Scheibe 7 ist als Rückwand der Wasserführungen ausgebildet, die andere Scheibe bildet eine Zwischenscheibe 8 und verläuft unmittelbar hinter der Strahlscheibe 3. Die Rückwand 7 der Wasserführungen verläuft vor der Rückwand des Brausekopfgehäuses 2.Downstream of the change-over valve 5, two essentially flat disks 7, 8 are arranged in the shower head housing 2 and extend approximately parallel to one another. A disc 7 is formed as a rear wall of the water ducts, the other disc forms an intermediate disc 8 and extends immediately behind the jet disc 3. The rear wall 7 of the water ducts extends in front of the rear wall of the showerhead housing second

Die bereits erwähnten Wasserführungen werden unter Bezugnahme auf Figur 2 näher erläutert. Von dem Umschaltventil 5 zeigt der Schnitt der Figur 2 einen verdrehbaren Ventilschließkörper 9, der in der Position der Figur 2 eine bestimmte Wasserführung mit Wasser versorgt.The already mentioned water guides are with reference to FIG. 2 explained in more detail. Of the switching valve 5, the section shows the FIG. 2 a rotatable valve closing body 9, which in the position of FIG. 2 a given water supply supplied with water.

Das Brausekopfgehäuse enthält insgesamt drei stromab des Umschaltventils 5 angeordnete Wasserführungen. Eine erste Wasserführung 11 führt von dem Umschaltventil 5 geradlinig als Kanal in die Mitte des ungefähr kreiszylindrischen Brausekopfs.The shower head housing contains a total of three downstream of the switching valve 5 arranged water guides. A first water guide 11 leads straight from the switching valve 5 as a channel in the center of the approximately circular cylindrical shower head.

Durch eine Trennwand getrennt erstreckt sich um das Ende der ersten Wasserführung eine zweite Wasserführung 12, die als angenäherter Ringkanal ausgebildet ist und an ihrem einen Ende an das Umschaltventil 5 angrenzt. Durch eine weitere Trennwand getrennt wird die zweite Wasserführung 12 von einer ebenfalls als Ringkanal ausgebildeten dritten Wasserführung 13 umgeben. Diese dritte Wasserführung 13 steht an einem ihrer Enden mit dem Umschaltventil 5 in Verbindung.Separated by a partition extends around the end of the first water guide, a second water guide 12, which is as approximated Ring channel is formed and adjacent at its one end to the switching valve 5. Separated by a further partition, the second water guide 12 is surrounded by a third water guide 13, which is likewise designed as an annular channel. This third water guide 13 is connected at one of its ends to the switching valve 5 in connection.

Alle drei Wasserführungen 11, 12, 13 sind durch Zwischenwände voneinander bzw. von dem äußeren Rand des Brausekopfgehäuses 2 getrennt, die sich zwischen der Rückwand 7 und der Zwischenscheibe 8 erstrecken und mit beiden verbunden sind. Beispielsweise sind die Zwischenwände an der Zwischenscheibe 8 angeformt und sind mit der Rückwand 7 verbunden.All three water guides 11, 12, 13 are separated by partitions from each other or from the outer edge of the showerhead housing 2, which extend between the rear wall 7 and the washer 8 and are connected to both. For example, the intermediate walls are integrally formed on the intermediate disc 8 and are connected to the rear wall 7.

Die Zwischenwand 14 zwischen der inneren Wasserführung 11 und der mittleren Wasserführung 12 ist relativ dicker ausgebildet, während die übrigen Zwischenwände 15, 16 schmaler ausgebildet sind.The intermediate wall 14 between the inner water guide 11 and the central water guide 12 is formed relatively thicker, while the remaining intermediate walls 15, 16 are formed narrower.

In der Zwischenscheibe 8 ist im Bereich jeder Wasserführung 11, 12, 13 jeweils eine Öffnung 17, 18, 19 vorhanden, durch die das Wasser aus der Wasserführung in den Raum zwischen der Zwischenscheibe 8 und der Strahlscheibe 3 gelangt.In the intermediate disc 8 is in the region of each water guide 11, 12, 13 each have an opening 17, 18, 19, through which the water passes from the water guide into the space between the washer 8 and the jet disk 3.

In der Position der Figuren 1 und 2 ist das Umschaltventil 5 so eingestellt, dass das das Umschaltventil 5 verlassende Wasser in die dritte Wasserführung 13 gelangt. Die Verbindung geschieht außerhalb der Zeichnungsebene. Das in der dritten Wasserführung 13 vorhandene Wasser kann daher durch die Öffnung 19 in der Zwischenscheibe 8 in den Raum hinter der Strahlscheibe 3 gelangen.In the position of Figures 1 and 2 the switching valve 5 is set so that the water leaving the switching valve 5 enters the third water supply 13. The connection happens outside the drawing plane. The water present in the third water guide 13 can therefore pass through the opening 19 in the intermediate disk 8 into the space behind the jet disk 3.

Die Strahlscheibe 3 weist später noch genauer dargestellte Strahlöffnungen auf, die von Nippeln aus einem elastomeren Material ausgebildet sind, wobei alle Nippel an einer an der Innenseite der Strahlscheibe 3 anliegenden Auskleidung aus diesem Material angeformt sind. An dieser Auskleidung sind auch Dichtelemente angeformt, die im Bereich zwischen der Zwischenscheibe 8 und der Strahlscheibe 3 Räume voneinander abdichten, die den drei Wasserführungen 11, 12, 13 zugeordnet sind. Das Brausekopfgehäuse kann sehr einfach aus wenigen Teilen zusammengesetzt werden, wobei dann die Dichtelemente an der Rückseite der Strahlscheibe 3 die Abdichtung übernehmen. Die Auskleidung weist auch Dichtungen auf, die den Außenrand der Strahlscheibe abdichten.The jet disk 3 has later shown in more detail beam openings formed of nipples of an elastomeric material, all nipples on one on the inside of the jet disk 3 adjacent lining are molded from this material. On this lining and sealing elements are formed, which seal in the area between the washer 8 and the jet disk 3 spaces from each other, which are the three water ducts 11, 12, 13 associated. The showerhead housing can be very easily assembled from a few parts, in which case the sealing elements on the back of the jet disk 3 take over the seal. The liner also has seals that seal the outer edge of the jet disk.

In der Darstellung der Figur 3 und Figur 4 ist der Ventilschließkörper 9 des Umschaltventils 5 in eine Drehposition gebracht, in der der Auslass des Umschaltventils 5 mit der mittleren Wasserführung 12 in Verbindung steht. Sobald das Wasser durch die Leitung 6 einströmt, gelangt es daher in die mittlere Wasserführung 12 und von dieser durch die Öffnung 18 in den Raum zwischen der Zwischenscheibe 8 und der Strahlscheibe 3.In the presentation of the FIG. 3 and FIG. 4 the valve closing body 9 of the switching valve 5 is brought into a rotational position in which the outlet of the switching valve 5 is in communication with the central water guide 12. As soon as the water flows in through the line 6, it therefore enters the central water guide 12 and from there through the opening 18 into the space between the intermediate disk 8 and the jet disk 3.

In den Figuren 5 und 6 ist die Darstellung so gewählt, dass der Ventilschließkörper 9 des Umschaltventils 5 so orientiert ist, dass die erste Wasserführung 11 mit Wasser versorgt werden kann. Das Wasser strömt also aus der ersten Wasserführung 11 durch die mittlere Öffnung 17 in den Bereich zwischen der Zwischenscheibe 8 und der Strahlscheibe 3.In the FIGS. 5 and 6 is the representation chosen so that the valve closing body 9 of the switching valve 5 is oriented so that the first water supply 11 can be supplied with water. The water thus flows out of the first water guide 11 through the central opening 17 into the region between the intermediate disk 8 and the jet disk 3.

In den drei folgenden Figuren 7 bis 9 wird in vergrößertem Maßstab die Wirkungsweise der Erfindung anhand eines Ausführungsbeispiels näher erläutert. Dabei zeigen die drei Figuren Ausschnitte aus den Schnitten der Figur 1, 3 und 5 in vergrößertem Maßstab.In the following three FIGS. 7 to 9 On an enlarged scale, the operation of the invention will be explained in more detail using an exemplary embodiment. The three figures show details of the cuts of the FIG. 1 . 3 and 5 on an enlarged scale.

An der der Strahlscheibe 3 zugewandten Vorderseite der Zwischenscheibe 8 sind mehrere umlaufende Rippen angeformt, nämlich eine Rippe 20 im Bereich der radialen Außenseite, eine weitere Rippe 21 zwischen den Öffnungen 19 und 18 der dritten und zweiten Wasserführung, und eine dritte Rippe 22 zwischen der zweiten und der ersten Wasserführung.At the blast disk 3 facing the front of the intermediate disc 8 more circumferential ribs are formed, namely a Ridge 20 in the region of the radial outer side, a further rib 21 between the openings 19 and 18 of the third and second water guide, and a third rib 22 between the second and the first water guide.

An der Innenseite der Strahlscheibe 3 sind Auskleidungen 23, 24 und 25 angebracht, die aus einem elastomeren Material bestehen und sich als Ringe um die gesamte Strahlscheibe herum erstrecken. Die drei Auskleidungen 23, 24, 25 könnten auch Teil einer gemeinsamen Auskleidung sein. Sie liegen mit ihrem größten Teil in einer Vertiefung in der Rückseite 26 der Strahlscheibe 3. An der Vorderseite der Auskleidungen 23, 24, 25 ist eine Vielzahl von Nippeln 27 angeformt, die durch Löcher der Strahlscheibe 3 bis zur Vorderseite bzw. Außenseite der Strahlscheibe 3 hindurchragen und auf der Vorderseite etwas vorstehen. Es handelt sich um eine Vielzahl derartiger Nippel 27, die sich über den gesamten Umfang der Strahlscheibe hinweg angeordnet sind. Die Nippel 27 bilden die Strahlaustrittsöffnungen. Alle an jeweils einer Auskleidung 23 bzw. 24 bzw. 25 angeformten Nippel 27 bilden jeweils eine Gruppe von Strahlaustrittsöffnungen.On the inside of the jet disk 3 linings 23, 24 and 25 are mounted, which consist of an elastomeric material and extend as rings around the entire jet disk around. The three liners 23, 24, 25 could also be part of a common liner. They lie with their largest part in a recess in the back 26 of the jet disk 3. At the front of the linings 23, 24, 25 a plurality of nipples 27 is formed, which through holes of the jet disk 3 to the front or outside of the jet disk. 3 protrude and protrude slightly on the front. It is a plurality of such nipple 27, which are arranged over the entire circumference of the jet disk away. The nipples 27 form the jet outlet openings. All nipples 27 formed on a respective lining 23, 24 and 25 form a group of jet outlet openings.

An der Rückseite der Strahlscheibe 3 ist im radialen Außenbereich ebenfalls eine Rippe 28 ausgebildet, die parallel zu der äußeren Rippe 20 der Zwischenscheibe 8 verläuft und von dieser einen geringen Abstand aufweist.At the rear of the jet disk 3, a rib 28 is also formed in the radial outer region, which runs parallel to the outer rib 20 of the intermediate disc 8 and has a small distance from this.

An der nach innen gerichteten Rückseite der Auskleidungen ist an ihrem jeweiligen radialen Außenrand eine Lippe 29, 30, 31 angeformt. Jede Lippe verläuft etwa rechtwinklig zu der Rückseite der Strahlscheibe 3. Die Lippe 29 liegt zwischen der Rippe 28 der Strahlscheibe 3 und der Rippe 20 der Zwischenscheibe 8 und dichtet dadurch diesen Zwischenraum ab.At the inwardly directed rear side of the liners, a lip 29, 30, 31 is integrally formed on its respective radial outer edge. Each lip extends approximately at right angles to the rear side of the jet disk 3. The lip 29 lies between the rib 28 of the jet disk 3 and the rib 20 of the intermediate disk 8 and thereby seals off this intermediate space.

Die von der radialen Außenseite aus gesehene zweite Lippe 30 liegt an der radialen Innenseite der zweiten Rippe 21 der Zwischenscheibe 8 mit einer gewissen Vorspannung an.The viewed from the radial outer side second lip 30 abuts against the radially inner side of the second rib 21 of the washer 8 with a certain bias.

Die in radialer Richtung nach innen nächste Lippe 31 liegt in gleicher Weise an der dritten Rippe 22 der Zwischenscheibe 8 an.The radially inward next lip 31 is in the same manner to the third rib 22 of the washer 8 at.

Die zweite und dritte Lippe 30, 31 von außen können durch jeweils einen Steg 32 unterstützt werden. Unterstützungsstege können auch von der gegenüberliegenden Zwischenscheibe her kommen.The second and third lip 30, 31 from the outside can be supported by a respective web 32. Support webs can also come from the opposite washer.

In der in Figur 7 dargestellten Position dichten die Lippen 30 und 31 die Gruppen von Austrittsöffnungen voneinander ab. Da jeweils eine Gruppe von Austrittsöffnungen über die entsprechenden Öffnungen 17, 18, 19 mit einer Wasserführung 11, 12, 13 in Verbindung steht, versorgen die Wasserführungen jeweils eine Gruppe von Austrittsöffnungen mit Wasser.In the in FIG. 7 shown position, the lips 30 and 31 seal the groups of outlet openings from each other. Since a group of outlet openings in each case via the respective openings 17, 18, 19 in communication with a water guide 11, 12, 13, supply the water guides each have a group of outlet openings with water.

Die verformbaren Lippen 30 und 31 liegen jeweils an ihrer Rippe 21 bzw. 22 an. Der Zwischenraum zwischen den Stegen 32 und der jeweiligen Rippe 21 bzw. 22 bildet eine schlitzartige Öffnung, die sich um den Mittelpunkt der Strahlscheibe herum erstreckt. Diese Öffnung wird in dem drucklosen Zustand, wie er in Figur 7 dargestellt ist, durch die jeweilige Lippe 30, 31 verschlossen.The deformable lips 30 and 31 rest against their ribs 21 and 22, respectively. The space between the lands 32 and the respective ribs 21 and 22 forms a slot-like opening which extends around the center of the jet disk. This opening is in the depressurized state, as in FIG. 7 is shown closed by the respective lip 30, 31.

Bei der dargestellten Ausführungsform ist die Wirkungsweise der Brause die Folgende. Angenommen, das Umschaltventil 5 wird in die in Figur 5 und 6 dargestellte Position geschaltet, in der die Wasserführung 11 mit dem Einlass in das Brausekopfgehäuse verbunden ist. Wenn dann die Wasserversorgung zu der Brause eingeschaltet wird, strömt das Wasser durch die Wasserführung 11 und die Öffnung 17 in der Zwischenscheibe 8 in den Raum zwischen der Zwischenscheibe 8 und der Strahlscheibe 3. Aufgrund der durch die Lippe 31 geschlossenen Öffnung strömt das Wasser nur aus den Strahlaustrittsöffnungen aus, die innerhalb des durch die Rippe 22 begrenzten Bereichs angeordnet und an der Auskleidung 25 angeformt sind. Das Wasser strömt also aus der Strahlscheibe 3 nur in einem mittleren Bereich aus. Der Druck des Wassers in diesem Bereich hält die Öffnung, die durch die Lippe 31 verschlossen wird, geschlossen.In the illustrated embodiment, the operation of the shower is the following. Suppose the switching valve 5 is in the in FIGS. 5 and 6 shown connected position in which the water guide 11 is connected to the inlet in the showerhead housing. Then, when the water supply to the shower is turned on, the water flows through the water guide 11 and the opening 17 in the washer 8 in the space between the washer 8 and the jet disk 3. Due to the opening 31 closed by the lip 31, the water only flows out of the jet outlet openings, which are arranged within the area bounded by the rib 22 and formed on the lining 25. The water thus flows out of the jet disk 3 only in a central region. The pressure of the water in this area keeps the opening closed by the lip 31 closed.

Wird nun das Umschaltventil so umgestellt, dass der Ventilschließkörper 9 die in Figur 3 und 4 dargestellte Position einnimmt, so fließt das Wasser in die zweite Wasserführung 12 und aus dieser durch die Öffnung 18 in der Zwischenscheibe 8 in den Bereich zwischen den Rippen 21 und 22 bzw. den Lippen 30 und 31. Diesem Raum ist eine zweite Gruppe von Strahlaustrittsöffnungen zugeordnet, nämlich den an der Auskleidung 24 angeformten Nippeln 27. Durch den Wasserdruck wird aber die an der radialen Innenseite dieses Bereichs vorhandene Lippe 31 verformt, so dass sich die schlitzartige Öffnung zwischen der Rippe 22 und dem Steg 32 öffnet. Das Wasser fließt also nicht nur aus der zweiten Gruppe von Strahlaustrittsöffnungen aus, sondern auch aus dem mittleren Bereich. Die durch die Lippe 30 verschlossene Öffnung zwischen dem Steg 32 und der Rippe 21 bleibt aber weiterhin verschlossen. Mit anderen Worten strömt das Wasser aus der Strahlscheibe jetzt aus einem größeren Bereich aus. Dieser Zustand ist in Figur 8 dargestellt.If now the changeover valve is changed so that the valve closing body 9, the in FIGS. 3 and 4 As shown, the water flows into the second water guide 12 and from there through the opening 18 in the washer 8 in the region between the ribs 21 and 22 and the lips 30 and 31. This space is associated with a second group of jet outlet openings Namely, the nipples 27 formed on the liner 24. However, the water pressure deforms the lip 31 provided on the radially inner side of this region, so that the slit-like opening between the rib 22 and the web 32 opens. The water thus flows not only from the second group of jet outlet openings, but also from the middle area. The closed by the lip 30 opening between the web 32 and the rib 21 but still remains closed. In other words, the water from the jet now flows out of a larger area. This condition is in FIG. 8 shown.

Wird nun das Umschaltventil so betätigt, das der Ventilschließkörper 9 die in Figur 2 dargestellte Position einnimmt, so fließt das Wasser in die dritte Wasserführung 13 und durch die dort vorhandenen Öffnungen 19 in den Zwischenraum zwischen den Rippen 20 und 21 an der Vorderseite der Zwischenscheibe 8. Durch den Wasserdruck öffnen sich nun die Öffnung zwischen dem Steg 32 und der Rippe 21 und ebenso die Öffnung zwischen dem Steg 32 und der Rippe 22. Das Wasser fließt jetzt aus allen Gruppen von Strahlaustrittsöffnungen aus.Now, the switching valve is actuated so that the valve closing body 9 in FIG. 2 shown position, the water flows into the third water guide 13 and through the existing openings 19 in the space between the ribs 20 and 21 at the front of the washer 8. By the water pressure now open the opening between the web 32 and the Rib 21 and also the opening between the web 32 and the rib 22. The water now flows out of all groups of jet outlet openings.

Es ist natürlich möglich, dass bei einem niedrigen Wasserdruck sich die Öffnungen nur geringfügig öffnen.It is of course possible that at a low water pressure, the openings open only slightly.

Bei einer anderen Ausgestaltung, indem man beispielsweise die Lippen an die jeweils andere Seite der Rippen anliegt, kann auch eine andere Art der Zuordnung zwischen den Wasserführungen und den mit Wasser versorgten Strahlaustrittsöffnungen erreicht werden.In another embodiment, for example, by the lips rests against the other side of the ribs, a different type of association between the water channels and the water-supplied jet outlet openings can be achieved.

Claims (14)

  1. A shower head, comprising
    - a shower head housing (2), which is sealed by a jet disc (3) having jet outlet openings,
    - a water inlet into the shower head housing (2),
    - at least two waterways (11, 12, 13) separated from one another and provided inside the shower head housing (2), wherein one of them lead to a first group of jet outlet openings and the other lead to a second group of jet outlet openings in the jet disc (3),
    characterized in that
    - a seal is arranged between the two groups of jet outlet openings, which seal is deformable by water pressure and selectively closes an opening between the two groups of jet outlet openings depending on water pressure so that the two groups of jet outlet openings are sealed from one another, or opens the opening so that the two groups of jet outlet openings are fluidly connected with one another.
  2. The shower head according to claim 1, wherein the seal forms a valve device which creates the seal between the two groups of jet outlet openings when pressure is applied by the water in the shower head housing (2) from the one side and releases the seal when pressure is applied by the water in the shower head housing (2) from the other side.
  3. The shower head according to claim 1 or 2, wherein the seal is formed by an element deformable by water pressure and a non-deformable rim of the opening.
  4. The shower head according to claim 3, wherein the deformable element is formed by a lip (30, 31) integrally moulded on an elastomer lining (23, 24, 25) on the inside of the jet disc (3).
  5. The shower head according to any one of claims 1 to 4, wherein nipples (27) for forming the jet outlet openings are integrally moulded on an elastomer lining (23, 24, 25) of an inner side of the jet disc (3).
  6. The shower head according to any one of the preceding claims, wherein the opening between the two groups of jet outlet openings has a slot shape.
  7. The shower head according to any one of the preceding claims, comprising a changeover valve (5) in the shower head housing (2) between the water inlet and the waterways (11, 12, 13).
  8. The shower head according to any one of the preceding claims, wherein the groups of jet outlet openings are arranged in the jet disc (3) in annular form.
  9. The shower head according to claim 8, wherein a permeability of at least one seal between two groups of jet outlet openings is provided from outwards to inwards.
  10. The shower head according to claim 8 or 9, wherein a permeability of at least one seal between two groups of jet outlet openings is provided from inwards to outwards.
  11. The shower head according to any one of the preceding claims, comprising an intermediate disc (8) adjacent to the jet disc (3).
  12. The shower head according to claim 11, wherein the rim of the opening is provided on the intermediate disc (8).
  13. The shower head according to any one of the preceding claims, wherein the opening extends in annular form around the respective group of jet outlet openings.
  14. The shower head according to any one of claims 11 to 13, wherein the waterways (11, 12, 13) are arranged in front of the intermediate disc (8) and connected by at least one opening (17, 18, 19) respectively to the spaces between the intermediate disc (8) and the jet disc (3).
EP13176878.0A 2012-08-01 2013-07-17 Shower head Active EP2692448B1 (en)

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Applications Claiming Priority (1)

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DE102012213518A DE102012213518B3 (en) 2012-08-01 2012-08-01 shower head

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EP2692448B1 true EP2692448B1 (en) 2017-09-06

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CN (1) CN103706494B (en)
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DE102013224051A1 (en) * 2013-11-25 2015-05-28 Hansgrohe Se Shower assembly with shower head housing
DE102016213491A1 (en) 2016-07-22 2018-01-25 Hansgrohe Se Shower spray generating device
CA3036206A1 (en) * 2016-09-08 2018-03-15 Water Pik, Inc. Pause assembly for showerheads
CN107309103B (en) * 2017-07-04 2019-08-06 彭波涛 A kind of energy-efficient water-saving shower system and working method
DE102018201183B3 (en) * 2018-01-25 2019-01-31 Hansgrohe Se Shower jet generating device with pressure relief valve
US10413916B1 (en) 2018-02-23 2019-09-17 Robert W. Bruce Shower head
DE102018206683B3 (en) * 2018-04-30 2019-05-29 Hansgrohe Se Shower head with fluid pressure actuated valve
CA3079862C (en) 2019-05-01 2023-10-31 Delta Faucet Company Directional speaker-implemented showerhead
CA3080909A1 (en) 2019-05-29 2020-11-29 Water Pik, Inc. Showerhead with inline engine porting
CN112106625B (en) * 2020-09-27 2022-03-01 安徽罗壳智沣农业科技有限公司 Agricultural irrigation device
US20220184643A1 (en) * 2020-12-10 2022-06-16 Eli Zhadanov Showerhead having selector for directing water flow in independent directions

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Publication number Publication date
PL2692448T3 (en) 2018-02-28
ES2649664T3 (en) 2018-01-15
EP2692448A1 (en) 2014-02-05
CN103706494B (en) 2016-12-28
US20140034758A1 (en) 2014-02-06
DK2692448T3 (en) 2017-11-06
US9289785B2 (en) 2016-03-22
CN103706494A (en) 2014-04-09
DE102012213518B3 (en) 2013-11-21

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