EP3074140B1 - Shower head with jet disk retaining device - Google Patents

Shower head with jet disk retaining device Download PDF

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Publication number
EP3074140B1
EP3074140B1 EP14802659.4A EP14802659A EP3074140B1 EP 3074140 B1 EP3074140 B1 EP 3074140B1 EP 14802659 A EP14802659 A EP 14802659A EP 3074140 B1 EP3074140 B1 EP 3074140B1
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EP
European Patent Office
Prior art keywords
base body
shower head
holding
jet disk
holding means
Prior art date
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Active
Application number
EP14802659.4A
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German (de)
French (fr)
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EP3074140A1 (en
Inventor
Fabian Melle
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Hansgrohe SE
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Hansgrohe SE
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Publication date
Application filed by Hansgrohe SE filed Critical Hansgrohe SE
Publication of EP3074140A1 publication Critical patent/EP3074140A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/18—Roses; Shower heads
    • 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
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits

Definitions

  • the invention relates to a shower head with a base body, a spray disc and a spray disc holding device for holding the spray disc on the base body.
  • shower heads of this type are suitable, for example, for sanitary showers, such as hand showers and overhead showers.
  • shower heads are already known in which the spray disc holding device contains a screw which is inserted from the outside through a central opening in the spray disc and screwed into a central thread on the base body in order then to hold the spray disc on the base body with its screw head.
  • the utility model DE 85 00 209 U1 discloses a hand shower with a shower head, for which, as an alternative to the disadvantageous central screw fastening, the spray disc forms the bottom of a cup-like part, which is inserted with its wall over an assigned part of a shower head housing and is provided on the inside with projections and / or recesses which engage in corresponding recesses and / or projections which are provided in a peripheral region of this housing part.
  • the disclosure NL 7209882 discloses a shower head of the type mentioned, in which the spray disc is held on the base body on the one hand by a central screw connection and on the other hand by a peripheral screw connection.
  • the utility model CN 202860725 U discloses a shower head of the type mentioned, in which the spray disc is held on the base body by a peripheral, bayonet-type holding device, wherein it is provided on the inside in the peripheral area with two opposing locking cams which are inserted into corresponding locking recesses on the base body in the direction of rotation and locked therein can be.
  • the utility model CN 202951581 U discloses a shower head of the type mentioned, in which the spray disc is also held exclusively peripherally by a bayonet-type holder on the base body, wherein a locking pin is provided on the base body to prevent unintentional loosening, which limits the disassembly rotary movement of the spray disc.
  • the locking pin protrudes radially outwards from the base body and must be pressed radially inwards to release the disassembly of the spray disc.
  • the invention is based on the technical problem of providing a shower head which realizes a further improved attachment of the spray disc to the base body.
  • the invention solves this problem by providing a shower head with the features of claim 1.
  • the spray disc holding device has first, central holding means for fixing a central region of the spray disc on the base body in an associated holding position and second, peripheral holding means for fixing a peripheral region of the spray disc on the base body in an associated holding position.
  • the two holding means are set up to be brought into their respective holding position in a common assembly process.
  • the spray disk is thus held both in its central area and in its peripheral area on the base body of the shower head, which increases the stability of the mounting of the spray disk on the base body in comparison to only a central attachment or only a peripheral attachment.
  • This can be particularly useful for shower heads with a comparatively large spray disc and / or for shower heads which are operated at relatively high water pressures.
  • the spray disc attachment to the base body does not require different assembly processes. Rather, the jet disc attachment takes place in a single assembly process, through which both the central holding means and the peripheral holding means are brought together into their respective holding positions.
  • the first holding means and the second holding means are designed as a bayonet holder. This makes it structurally simple and functionally reliable fastening alternatives for the spray disc on the base body.
  • the jet disk holding device has a safety lock, which secures against disassembly of the jet disk from the base body. This prevents the spray disc from unintentionally detaching from the base body or being dismantled from it unauthorized.
  • the safety lock includes a locking pin receptacle on the spray disc and a locking pin held on the shower head base body, which can be received in the locking pin receptacle so as to prevent disassembly. This represents a constructively and functionally advantageous realization of the safety lock.
  • the first and / or the second holding means include a holding element on the spray disc side on the spray disc and a counter element on the housing body cooperating therewith on the base body. This represents an expedient implementation of the respective holding means.
  • the housing-side counter-holding element of the first and / or the second holding means is provided on an outer housing part of the shower head forming the base body or part thereof or on an intermediate plate accommodated in the outer housing part.
  • the former can keep the amount of components low, the latter can be useful, for example, in applications in which the intermediate plate fulfills another function, for example as a distributor plate, in order to be able to guide water fed into the shower head into different outlet chambers in front of the spray disc.
  • the locking pin is located in an actuating pin receptacle for a changeover valve actuating pin and functions as the changeover valve actuating pin or is arranged in an axial extension thereof.
  • the actuating pin receptacle contains a receiving opening on an underside of the base body facing the jet disk.
  • the locking pin is movable between a depressed release position and a forward locking position, e.g. using a suitable tool.
  • the shower head according to the invention can be used, for example, as a sanitary hand or overhead shower and has a base body 1 and a spray disc 2 attached to it.
  • the base body 1 forms a pot-shaped outer housing of the shower head with a cover surface and a side wall 1 a, from which a lateral fluid inlet connection 3 is provided, which has an external thread 4.
  • the shower head can be connected to a supply line, such as a shower water hose or a overhead shower supply line.
  • the jet disc 2 covers in its assembled state Fig. 1 the pot-shaped shower head housing 1 at its open, in the 1 and 2 from the lower side and, together with the housing body 1, delimits a water outlet space 5, into which an inlet 6 defined by the inlet connector 3 opens.
  • the jet disc 2 has in the usual way a plurality of jet outlet openings 7, which are arranged in any pattern over the jet disc surface 2 and extend outward from the water outlet space 5 through the jet disc 2.
  • shower water that enters the water outlet space 5 via the inlet 6 exits the spray disc 2 with a desired spray pattern via the spray outlet openings 7, the spray pattern being determined in a desired manner by the arrangement and design of the spray outlet openings 7.
  • the spray disc 2 is held on the base body 1 by a spray disc holding device, the first, central holding means 8a, 8b for fixing the spray disc 2 in a central region 2a on the base body 1 in an associated holding position, and second, peripheral holding means 9a, 9b for fixing the spray disc 2 in a peripheral region 2b on the base body 1 in an associated holding position.
  • Fig. 1 shows the shower head with the two holding means 8a, 8b; 9a, 9b in their holding positions, which corresponds to the mounting position of the spray disc 2 on the base body 1, in which the shower head is in the operational state.
  • the central holding means on the spray disc side comprise a holding pin 8a which projects inwards on the inside of the spray disc from the central region 2a in the center of a longitudinal axis 10 of the shower head and which is provided with an external thread at its free end region.
  • On the base body side contain the central holding means a sleeve-shaped holding extension 8b projecting to match the holding pin 8a centrally from the cover surface of the pot-shaped base body 1 and provided with an internal thread, so that the holding pin 8a can be screwed into the internal thread of the sleeve-shaped holding extension 8b with its external thread.
  • the peripheral holding means include on the spray disc side an external thread 9a introduced into a peripheral edge surface of the spray disc 2 and on the base body side an internal thread 9b introduced into an internal surface at the open end region of the side wall 1a of the cup-shaped base body 1, into which the spray disc 2 with its peripheral external thread 9a can be screwed.
  • the holding pin 8a with the external thread forms a holding element and the sleeve-shaped extension 8b with the internal thread forms a counter-holding element of the central holding means which interacts with this holding element.
  • the peripheral external thread 9a of the jet disc 2 forms a holding element and the peripheral internal thread 9b of the base body 1 forms a counter-holding element of the peripheral holding means 9a, 9b which cooperates with it.
  • Both holding means 8a, 8b; 9a, 9b are thus designed as a screw holder in this embodiment.
  • the two holding means 8a, 8b; 9a, 9b are designed and matched to one another in such a way that they can both be brought into their mentioned holding position in a common assembly process.
  • the two screw connections of the two screw holders 8a, 8b; 9a, 9b are manufactured with corresponding pitch heights, so that for mounting the spray disc 2 on the base body 1, the spray disc 2 is attached to the base body 1 and then rotated relative to the base body 1 in the screwing direction, thereby simultaneously holding the retaining pin 8a with its external thread into it Internal thread of the sleeve-shaped extension 8b and, on the other hand, the peripheral disc thread 9a are screwed into the peripheral external thread 9b on the basic body.
  • the assembly of the spray disc 2 on the base body 1 therefore only requires this screwing-in movement of the spray disc 2 relative to the base body 1.
  • the 3 and 4 schematically illustrate a further shower head not according to the invention as a variant of that of the 1 and 2 , with the same reference numerals being used for identical and functionally equivalent elements for the sake of clarity and in this respect referring to the above description of the 1 and 2 can be referred.
  • the jet disc holder is designed using clip connections instead of screw connections.
  • the jet disk holding device contains, as central holding means, clip extensions 11a on the jet disk side and clip grooves 11b cooperating with them in a snap-in manner.
  • the clip extensions 11a extend in the central area 2a of the jet disc 2 on the inside thereof and close at their free end with radially outwardly pointing clip lugs.
  • the jet disc holding device contains, as peripheral holding means 3 in the peripheral jet disc area 2b with equidistant angular spacing, clip extensions 12a and corresponding clip grooves 12b, which are introduced into the inside of the side wall 1a of the shower head housing 1.
  • both holding means are consequently designed as a clip holder in this exemplary embodiment and, as in the first exemplary embodiment, are designed to be brought into their respective holding position in a common assembly process, the assembly process here being an axial plugging or plugging of the basic body 2 onto or into the basic body 1 instead of a screw rotation.
  • the clip extensions 11a, 12a form respective retaining elements on the spray disc side, with which the corresponding clip grooves 11b, 12b of the base body 1 interact as counter-holding elements.
  • the 5 and 6 schematically illustrate a shower head in the form of a further variant of that of 1 and 2 , whereby again the same reference numerals are used for identical and functionally equivalent elements and in this respect refer to the description above for the 1 and 2 can be referred.
  • the shower head shows the 5 and 6 an additional intermediate plate 14.
  • the intermediate plate 14 divides the water outlet space 5 into an inlet-side part 5a, into which the inlet 6 opens, and an outlet-side part 5b directly in front of the jet disk 2.
  • the intermediate plate 14 has passage or distribution openings 16. Fluid can be fed in a controllable manner to the inlet-side part 5a of the water outlet chamber 5 and can be passed through the passage openings 16 into the outlet-side part 5b of the water outlet chamber 5 in front of the jet disk 2. If necessary, different jet exit images for the fluid emerging from the jet disk 2 can thus be achieved.
  • the outlet-side part 5b of the water outlet space 5 can, if desired, be divided into a plurality of separate chambers, to which the fluid can be supplied in a controllable manner and, if necessary, in different operating modes of the shower head.
  • the shower head of the 5 and 6 has the same peripheral holding means in the form of the external thread 9a provided on the peripheral surface of the jet disc 2 and the internal thread 9b provided on the inside in the free end region of the housing side wall 1a as the shower head of FIG 1 and 2 .
  • the central holding means of the corresponding jet disc holding device function compared to the shower head 1 and 2 shortened central holding extension 15a with external thread, which protrudes inwards from the inside of the spray disc, and a central threaded opening 15b in the intermediate plate 14.
  • Both holding means are thus again designed as screw holders, the thread turn for the cooperating threads of the central holding means 15a, 15b also being the same here the thread of the peripheral holding means 9a, 9b is selected accordingly.
  • the intermediate plate 14 can first be fixed in the outer housing part 1 of the shower head and then the spray disc 2 can be screwed on, while at the same time with its central external thread of the extension 15a into the central thread 15b of the intermediate plate 14 and the other with its peripheral external thread 9a is screwed into the peripheral internal thread of the outer housing part 1.
  • the spray disc 2 can be attached to the shower head housing 1 in a single assembly process in such a way that it is held in its central region 2a and in its peripheral region 2b.
  • this shower head includes a base body 1 in the form of a cartridge insert, which has a cover part 1b and a cartridge plate or intermediate plate 17 which is connected to the inside of the cover part 1b.
  • the cartridge insert 1 can be inserted into a shower head housing, not shown.
  • the water outlet space 5 is divided into an inlet-side part 5a between the lid part 1b and the intermediate plate 17 and an outlet-side part 5b between the jet disc 2 and the intermediate plate 17.
  • the inlet-side part 5a of the water outlet space 5 is divided into a plurality of separate water guide paths which can be selectively brought into fluid connection with the inlet 6 by means of a changeover valve 18.
  • the switching valve 18 can be operated by the user using an operating button 19.
  • the intermediate plate 17 is like the intermediate plate 14 in the embodiment of FIG 5 and 6 with passage openings for fluid connection of the inlet-side part 5a and outlet-side part 5b of the water outlet space 5.
  • the outlet-side part 5b of the water outlet space 5 is divided into a plurality of separate chambers, to which the fluid supplied via the inlet 6 can be supplied in a controllably different manner by actuating the changeover valve 18, in order to achieve desired to achieve different jet patterns for the fluid emerging from the jet disk 2 via the jet outlet openings 7.
  • the spray disc 2 is held on the base body 1 by a spray disc holding device, which in turn comprises central and peripheral holding means.
  • both holding devices are designed as bayonet holders.
  • a bayonet holding pin 20 projects centrally inwards from the inside of the jet disc and is provided with a bayonet link track 20a on the circumference near its free end region.
  • the intermediate plate 17 has a central opening and bayonet lugs 21 projecting radially inwards into this central opening.
  • the jet disk 2 has a plurality of, for example, four radially outwardly pointing bayonet extensions 22, with which correspondingly designed bayonet guides 23 cooperate in the peripheral area of the intermediate plate 17 and which cooperate at a suitable angular distance at one of the 7 and 8 lower, the side facing the spray disc 2 of the circumference of the intermediate plate 17 are formed.
  • the central holding means 20, 21, on the one hand, and the peripheral holding means 22, 23, on the other hand are matched to one another in such a way that the jet disc 2 is simultaneously in its central region and in its peripheral region on the base body 1 or its body by a joint assembly movement, here a bayonet closing movement Intermediate plate 17 can be attached.
  • Fig. 9 illustrates a shower head according to the invention, that of the 7 and 8 with the modification corresponds to the fact that it is equipped with a safety lock.
  • the safety lock comprises a locking pin receptacle 30 in the correspondingly modified jet disc 2, in the example shown specifically in its operating button 19, and a locking pin 31 engaging in the locking pin receptacle 30, the locking pin receptacle 30 in the example shown being realized as a through opening in the operating button 19 of the jet disk 2 is.
  • the locking pin 31 is preferably located in an actuating pin receptacle for an actuating pin 33 of the changeover valve 18.
  • the locking pin 31 can simultaneously function as the associated valve actuating pin 33 or be arranged in an axial extension thereof and, for example, be coupled to it in motion.
  • the actuating pin receptacle can be, for example, a Fig. 8 contain receiving opening 32 to be recognized on the underside of the base body 1 of the shower head.
  • the locking pin 31 is inserted into the actuating pin receptacle and pushed back. Then the jet disc 2 is attached to the base body 1 and rotated to effect the bayonet connection. As soon as the locking pin receptacle 30 is aligned with the pushed-back locking pin 31 during this assembly rotary movement, the locking pin 31 can engage in the locking pin receptacle and thereby secure the spray disc 2 against turning back and consequently against disassembly from the base body 1. For this purpose, it can be provided that the locking pin 31 automatically snaps into the locking pin receptacle 30 as soon as it is aligned with the latter.
  • the locking pin 31 is held in the pushed-back position by a releasable retaining mechanism during the jet disc assembly and, after assembly, e.g. is moved forward again using a tool by releasing the retaining mechanism and is thus moved into the locking pin receptacle.
  • the tool can engage the locking pin 31 through the locking pin receptacle 30.
  • the locking pin 31 is e.g. pressed back into its position releasing the locking pin receptacle 30 by means of a suitable tool and held in this pushed back position by means of the retention mechanism mentioned. Then the bayonet connection can be released by turning back the spray disc 2 relative to the base body 1 and thereby the spray disc 2 can be removed from the shower head.
  • the invention provides a shower head in which the spray disc can be attached to the base body in only one assembly process and is positively held on the one hand in its central area and on the other hand in its peripheral area on the base body. No further fastenings between the central area and the peripheral area of the jet disc are required. No further assembly process is required.
  • the jet disc is held in a very stable and functionally reliable manner on the shower head base body, both in the central and in the peripheral area, so that reliable operation of the shower head is ensured even when relatively high fluid pressures are involved occur in the shower head and / or relatively large spray disks are used.
  • the shower head according to the invention is not only suitable as a sanitary overhead or hand shower, but can also be used advantageously wherever there is a need for a shower head with a spray disc that can be mounted on a base body.

Description

Die Erfindung bezieht sich auf einen Brausekopf mit einem Grundkörper, einer Strahlscheibe und einer Strahlscheibenhaltevorrichtung zur Halterung der Strahlscheibe am Grundkörper. Brauseköpfe dieser Art eignen sich beispielsweise für Sanitärbrausen, wie Handbrausen und Kopfbrausen.The invention relates to a shower head with a base body, a spray disc and a spray disc holding device for holding the spray disc on the base body. Shower heads of this type are suitable, for example, for sanitary showers, such as hand showers and overhead showers.

Es sind bereits Brauseköpfe bekannt, bei denen die Strahlscheibenhaltevorrichtung eine Schraube beinhaltet, die von außen durch eine zentrische Öffnung in der Strahlscheibe durchgesteckt und in ein zentrisches Gewinde am Grundkörper eingeschraubt wird, um dann mit ihrem Schraubenkopf die Strahlscheibe am Grundkörper zu halten.Shower heads are already known in which the spray disc holding device contains a screw which is inserted from the outside through a central opening in the spray disc and screwed into a central thread on the base body in order then to hold the spray disc on the base body with its screw head.

Die Gebrauchsmusterschrift DE 85 00 209 U1 offenbart eine Handbrause mit einem Brausekopf, für den alternativ zu der als nachteilig bezeichneten zentrischen Schraubenbefestigung die Strahlscheibe den Boden eines napfartigen Teils bildet, das mit seiner Wandung über einen zugeordneten Teil eines Brausekopfgehäuses gesteckt wird und innen mit Vorsprüngen und/oder Ausnehmungen versehen ist, die in korrespondierende Ausnehmungen und/oder Vorsprünge eingreifen, welche in einem peripheren Bereich dieses Gehäuseteils vorgesehen sind.The utility model DE 85 00 209 U1 discloses a hand shower with a shower head, for which, as an alternative to the disadvantageous central screw fastening, the spray disc forms the bottom of a cup-like part, which is inserted with its wall over an assigned part of a shower head housing and is provided on the inside with projections and / or recesses which engage in corresponding recesses and / or projections which are provided in a peripheral region of this housing part.

Die Offenlegungsschrift NL 7209882 offenbart einen Brausekopf der eingangs genannten Art, bei dem die Strahlscheibe am Grundkörper zum einen durch eine zentrische Schraubverbindung und zum anderen durch eine periphere Schraubverbindung gehalten ist.The disclosure NL 7209882 discloses a shower head of the type mentioned, in which the spray disc is held on the base body on the one hand by a central screw connection and on the other hand by a peripheral screw connection.

Die Gebrauchsmusterschrift CN 202860725 U offenbart einen Brausekopf der eingangs genannten Art, bei dem die Strahlscheibe durch eine periphere, bajonettartige Haltevorrichtung am Grundkörper gehalten ist, wobei sie an ihrer Innenseite im peripheren Bereich mit zwei gegenüberliegenden Rastnocken versehen ist, die in korrespondierende Rastausnehmungen am Grundkörper in Drehrichtung eingeführt und darin verrastet werden können.The utility model CN 202860725 U discloses a shower head of the type mentioned, in which the spray disc is held on the base body by a peripheral, bayonet-type holding device, wherein it is provided on the inside in the peripheral area with two opposing locking cams which are inserted into corresponding locking recesses on the base body in the direction of rotation and locked therein can be.

Die Gebrauchsmusterschrift CN 202951581 U offenbart einen Brausekopf der eingangs genannten Art, bei dem die Strahlscheibe ebenfalls ausschließlich peripher durch eine bajonettartige Halterung am Grundkörper gehalten wird, wobei zur Sicherung gegen unbeabsichtigtes Lösen ein Verriegelungsstift am Grundkörper vorgesehen ist, der die Demontage-Drehbewegung der Strahlscheibe begrenzt. Der Verriegelungsstift steht radial nach außen am Grundkörper ab und muss radial nach innen gedrückt werden, um das demontierende Weiterdrehen der Strahlscheibe freizugeben.The utility model CN 202951581 U discloses a shower head of the type mentioned, in which the spray disc is also held exclusively peripherally by a bayonet-type holder on the base body, wherein a locking pin is provided on the base body to prevent unintentional loosening, which limits the disassembly rotary movement of the spray disc. The locking pin protrudes radially outwards from the base body and must be pressed radially inwards to release the disassembly of the spray disc.

Der Erfindung liegt als technisches Problem die Bereitstellung eines Brausekopfes zugrunde, der eine weiter verbesserte Befestigung der Strahlscheibe am Grundkörper realisiert.The invention is based on the technical problem of providing a shower head which realizes a further improved attachment of the spray disc to the base body.

Die Erfindung löst dieses Problem durch die Bereitstellung eines Brausekopfes mit den Merkmalen des Anspruchs 1.The invention solves this problem by providing a shower head with the features of claim 1.

Bei diesem Brausekopf weist die Strahlscheibenhaltevorrichtung erste, zentrische Haltemittel zur Festlegung eines zentrischen Bereichs der Strahlscheibe am Grundkörper in einer zugehörigen Halteposition und zweite, periphere Haltemittel zur Festlegung eines peripheren Bereichs der Strahlscheibe am Grundkörper in einer zugehörigen Halteposition auf. Die beiden Haltemittel sind dafür eingerichtet, in einem gemeinsamen Montagevorgang in ihre jeweilige Halteposition verbracht zu werden.In this shower head, the spray disc holding device has first, central holding means for fixing a central region of the spray disc on the base body in an associated holding position and second, peripheral holding means for fixing a peripheral region of the spray disc on the base body in an associated holding position. The two holding means are set up to be brought into their respective holding position in a common assembly process.

Beim erfindungsgemäßen Brausekopf wird somit die Strahlscheibe sowohl in ihrem zentrischen Bereich als auch in ihrem peripheren Bereich am Grundkörper des Brausekopfes gehalten, was die Stabilität der Halterung der Strahlscheibe am Grundkörper im Vergleich zu einer nur zentrischen Befestigung oder nur peripheren Befestigung erhöht. Dies kann insbesondere für Brauseköpfe mit vergleichsweise großflächiger Strahlscheibe und/oder für Brauseköpfe nutzbringend sein, die mit relativ hohen Wasserdrücken betrieben werden. Andererseits benötigt die Strahlscheibenbefestigung am Grundkörper durch die spezielle Auslegung der Haltemittel keine unterschiedlichen Montagevorgänge. Vielmehr erfolgt die Strahlscheibenbefestigung in einem einzigen Montagevorgang, durch den sowohl die zentrischen Haltemittel als auch die peripheren Haltemittel gemeinsam in ihre jeweilige Halteposition verbracht werden. Die ersten Haltemittel und die zweiten Haltemittel sind als Bajonetthalterung ausgeführt. Dies stellt konstruktiv einfache und funktionell zuverlässige Befestigungsalternativen für die Strahlscheibe am Grundkörper dar.In the shower head according to the invention, the spray disk is thus held both in its central area and in its peripheral area on the base body of the shower head, which increases the stability of the mounting of the spray disk on the base body in comparison to only a central attachment or only a peripheral attachment. This can be particularly useful for shower heads with a comparatively large spray disc and / or for shower heads which are operated at relatively high water pressures. On the other hand, due to the special design of the holding means, the spray disc attachment to the base body does not require different assembly processes. Rather, the jet disc attachment takes place in a single assembly process, through which both the central holding means and the peripheral holding means are brought together into their respective holding positions. The first holding means and the second holding means are designed as a bayonet holder. This makes it structurally simple and functionally reliable fastening alternatives for the spray disc on the base body.

Erfindungsgemäß weist die Strahlscheibenhaltevorrichtung eine Sicherungsverriegelung auf, die gegen eine Demontage der Strahlscheibe vom Grundkörper sichert. Dies verhindert, dass sich die Strahlscheibe unbeabsichtigt vom Grundkörper löst oder unautorisiert von dieser demontiert wird. Die Sicherungsverriegelung umfasst eine Verriegelungsstiftaufnahme an der Strahlscheibe sowie einen am Brausekopf-Grundkörper gehaltenen Verriegelungsstift, der demontagesichernd in der Verriegelungsstiftaufnahme aufnehmbar ist. Dies stellt eine konstruktiv und funktionell vorteilhafte Realisierung der Sicherungsverriegelung dar.According to the invention, the jet disk holding device has a safety lock, which secures against disassembly of the jet disk from the base body. This prevents the spray disc from unintentionally detaching from the base body or being dismantled from it unauthorized. The safety lock includes a locking pin receptacle on the spray disc and a locking pin held on the shower head base body, which can be received in the locking pin receptacle so as to prevent disassembly. This represents a constructively and functionally advantageous realization of the safety lock.

In einer Weiterbildung der Erfindung beinhalten die ersten und/oder die zweiten Haltemittel ein strahlscheibenseitiges Halteelement an der Strahlscheibe und ein mit diesem zusammenwirkendes, gehäuseseitiges Gegenhalteelement am Grundkörper. Dies stellt eine zweckmäßige Realisierung der jeweiligen Haltemittel dar.In a further development of the invention, the first and / or the second holding means include a holding element on the spray disc side on the spray disc and a counter element on the housing body cooperating therewith on the base body. This represents an expedient implementation of the respective holding means.

In einer Ausgestaltung der Erfindung ist das gehäuseseitige Gegenhalteelement der ersten und/oder der zweiten Haltemittel an einem den Grundkörper oder einen Teil desselben bildenden Außengehäuseteil des Brausekopfes oder an einer in dem Außengehäuseteil aufgenommenen Zwischenplatte vorgesehen. Ersteres kann den Bauteileaufwand gering halten, Letzteres kann zum Beispiel in Anwendungen zweckmäßig sein, bei denen die Zwischenplatte eine weitere Funktion erfüllt, beispielsweise als Verteilerplatte, um in den Brausekopf zugeführtes Wasser in unterschiedliche Austrittskammern vor der Strahlscheibe leiten zu können.In one embodiment of the invention, the housing-side counter-holding element of the first and / or the second holding means is provided on an outer housing part of the shower head forming the base body or part thereof or on an intermediate plate accommodated in the outer housing part. The former can keep the amount of components low, the latter can be useful, for example, in applications in which the intermediate plate fulfills another function, for example as a distributor plate, in order to be able to guide water fed into the shower head into different outlet chambers in front of the spray disc.

In einer Weiterbildung der Erfindung befindet sich der Verriegelungsstift in einer Betätigungsstiftaufnahme für einen Umschaltventil-Betätigungsstift und fungiert als der Umschaltventil-Betätigungsstift oder ist in axialer Verlängerung derselben angeordnet. Dies stellt eine vorteilhafte Realisierung insbesondere für Anwendungen dar, bei denen der Brausekopf über eine Mehrstrahlcharakteristik mit mehreren Strahlbildern und einem Umschaltventil zum Umschalten zwischen diesen Strahlbildern verfügt.In a development of the invention, the locking pin is located in an actuating pin receptacle for a changeover valve actuating pin and functions as the changeover valve actuating pin or is arranged in an axial extension thereof. This represents an advantageous implementation, in particular for applications in which the shower head has a multi-jet characteristic with a plurality of spray patterns and a switchover valve for switching between these spray patterns.

In einer Ausgestaltung der Erfindung beinhaltet die Betätigungsstiftaufnahme eine Aufnahmeöffnung an einer der Strahlscheibe zugewandten Unterseite des Grundkörpers.In one embodiment of the invention, the actuating pin receptacle contains a receiving opening on an underside of the base body facing the jet disk.

In einer Ausgestaltung der Erfindung ist der Verriegelungsstift zwischen einer zurückgedrückten Freigabeposition und einer vorbewegten Verriegelungsposition bewegbar, z.B. unter Verwendung eines geeigneten Werkzeugs.In one embodiment of the invention the locking pin is movable between a depressed release position and a forward locking position, e.g. using a suitable tool.

Vorteilhafte Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden nachfolgend beschrieben. Hierbei zeigen:

Fig. 1
eine schematische Längsschnittansicht eines nicht erfindungsgemäßen Brausekopfes mit zentrischer und peripherer Schraubverbindung einer Strahlscheibe und eines Außengehäuseteils,
Fig. 2
eine perspektivische Explosionsansicht des Brausekopfes von Fig. 1,
Fig. 3
eine schematische Längsschnittansicht eines nicht erfindungsgemäßen Brausekopfes mit zentrischer und peripherer Clipsbefestigung einer Strahlscheibe an einem Außengehäuseteil,
Fig. 4
eine perspektivische Explosionsansicht des Brausekopfes von Fig. 3,
Fig. 5
eine schematische Längsschnittansicht eines nicht erfindungsgemäßen Brausekopfes mit zentrischer Strahlscheibenbefestigung an einer Zwischenscheibe,
Fig. 6
eine perspektivische Explosionsansicht des Brausekopfes von Fig. 5,
Fig. 7
eine Längsschnittansicht eines nicht erfindungsgemäßen Brausekopfes mit zentrischer und peripherer Bajonettbefestigung einer Strahlscheibe an einem Kartuscheneinsatz,
Fig. 8
eine Perspektivansicht des Kartuscheneinsatzes von Fig. 7 und
Fig. 9
eine Ansicht entsprechend Fig. 7 für einen erfindungsgemäßen Brausekopf mit Sicherungsverriegelung.
Advantageous exemplary embodiments of the invention are shown in the drawings and are described below. Here show:
Fig. 1
2 shows a schematic longitudinal sectional view of a shower head not according to the invention with a central and peripheral screw connection of a spray disc and an outer housing part,
Fig. 2
an exploded perspective view of the shower head of Fig. 1 ,
Fig. 3
2 shows a schematic longitudinal sectional view of a shower head not according to the invention with central and peripheral clip fastening of a spray disc on an outer housing part,
Fig. 4
an exploded perspective view of the shower head of Fig. 3 ,
Fig. 5
2 shows a schematic longitudinal sectional view of a shower head not according to the invention with a central jet disk attachment to an intermediate disk,
Fig. 6
an exploded perspective view of the shower head of Fig. 5 ,
Fig. 7
2 shows a longitudinal sectional view of a shower head not according to the invention with central and peripheral bayonet fastening of a spray disc on a cartridge insert,
Fig. 8
a perspective view of the cartridge insert of Fig. 7 and
Fig. 9
a view accordingly Fig. 7 for a shower head according to the invention with safety lock.

Der in den Fig. 1 und 2 schematisch gezeigte nicht erfindungsgemäße Brausekopf ist beispielsweise als sanitäre Hand- oder Kopfbrause verwendbar und weist einen Grundkörper 1 und eine daran angebrachte Strahlscheibe 2 auf. Der Grundkörper 1 bildet im gezeigten Beispiel ein topfförmiges Außengehäuse des Brausekopfes mit einer Deckelfläche und einer Seitenwand 1a, von der ein seitlicher Fluideinlassstutzen 3 abgeht, der ein Außengewinde 4 aufweist. Mit dem Außengewinde 4 kann der Brausekopf an eine Zuleitung, wie einen Duschwasserschlauch oder eine Kopfbrausen-Zufuhrleitung, angeschlossen werden.The one in the 1 and 2 The shower head according to the invention, shown schematically, can be used, for example, as a sanitary hand or overhead shower and has a base body 1 and a spray disc 2 attached to it. In the example shown, the base body 1 forms a pot-shaped outer housing of the shower head with a cover surface and a side wall 1 a, from which a lateral fluid inlet connection 3 is provided, which has an external thread 4. With the external thread 4, the shower head can be connected to a supply line, such as a shower water hose or a overhead shower supply line.

Die Strahlscheibe 2 deckt in ihrem montierten Zustand von Fig. 1 das topfförmige Brausekopfgehäuse 1 an ihrer offenen, in den Fig. 1 und 2 unteren Seite ab und umgrenzt zusammen mit dem Gehäusekörper 1 einen Wasseraustrittsraum 5, in den ein vom Einlassstutzen 3 definierter Einlass 6 mündet. Die Strahlscheibe 2 weist in üblicher Weise eine Mehrzahl von Strahlaustrittsöffnungen 7 auf, die in irgendeinem beliebigen Muster über die Strahlscheibenfläche 2 hinweg angeordnet sind und sich vom Wasseraustrittsraum 5 durch die Strahlscheibe 2 hindurch nach außen erstrecken. In Verwendung als Duschbrause tritt somit Duschwasser, das über den Einlass 6 in den Wasseraustrittsraum 5 gelangt, über die Strahlaustrittsöffnungen 7 mit einem gewünschten Strahlbild aus der Strahlscheibe 2 aus, wobei das Strahlbild in gewünschter Weise durch die Anordnung und Gestaltung der Strahlaustrittsöffnungen 7 bestimmt ist.The jet disc 2 covers in its assembled state Fig. 1 the pot-shaped shower head housing 1 at its open, in the 1 and 2 from the lower side and, together with the housing body 1, delimits a water outlet space 5, into which an inlet 6 defined by the inlet connector 3 opens. The jet disc 2 has in the usual way a plurality of jet outlet openings 7, which are arranged in any pattern over the jet disc surface 2 and extend outward from the water outlet space 5 through the jet disc 2. When used as a shower head, shower water that enters the water outlet space 5 via the inlet 6 exits the spray disc 2 with a desired spray pattern via the spray outlet openings 7, the spray pattern being determined in a desired manner by the arrangement and design of the spray outlet openings 7.

Die Strahlscheibe 2 ist am Grundkörper 1 durch eine Strahlscheibenhaltevorrichtung gehalten, die erste, zentrische Haltemittel 8a, 8b zur Festlegung der Strahlscheibe 2 in einem zentrischen Bereich 2a am Grundkörper 1 in einer zugehörigen Halteposition sowie zweite, periphere Haltemittel 9a, 9b zur Festlegung der Strahlscheibe 2 in einem peripheren Bereich 2b am Grundkörper 1 in einer zugehörigen Halteposition aufweist. Fig. 1 zeigt den Brausekopf mit den beiden Haltemitteln 8a, 8b; 9a, 9b in ihren Haltepositionen, die der Montageposition der Strahlscheibe 2 am Grundkörper 1 entspricht, in der sich der Brausekopf im betriebsbereiten Zustand befindet.The spray disc 2 is held on the base body 1 by a spray disc holding device, the first, central holding means 8a, 8b for fixing the spray disc 2 in a central region 2a on the base body 1 in an associated holding position, and second, peripheral holding means 9a, 9b for fixing the spray disc 2 in a peripheral region 2b on the base body 1 in an associated holding position. Fig. 1 shows the shower head with the two holding means 8a, 8b; 9a, 9b in their holding positions, which corresponds to the mounting position of the spray disc 2 on the base body 1, in which the shower head is in the operational state.

Die zentrischen Haltemittel beinhalten strahlscheibenseitig einen an der Strahlscheibeninnenseite vom zentrischen Bereich 2a mittig zu einer Brausekopf-Längsachse 10 nach innen abragenden Haltezapfen 8a, der an seinem freien Endbereich mit einem Außengewinde versehen ist. Grundkörperseitig beinhalten die zentrischen Haltemittel einen passend zu dem Haltezapfen 8a zentrisch von der Deckelfläche des topfförmigen Grundkörpers 1 nach innen abstehenden hülsenförmigen Haltefortsatz 8b, der mit einem Innengewinde versehen ist, so dass der Haltezapfen 8a mit seinem Außengewinde in das Innengewinde des hülsenförmigen Haltefortsatzes 8b eingeschraubt werden kann.The central holding means on the spray disc side comprise a holding pin 8a which projects inwards on the inside of the spray disc from the central region 2a in the center of a longitudinal axis 10 of the shower head and which is provided with an external thread at its free end region. On the base body side contain the central holding means a sleeve-shaped holding extension 8b projecting to match the holding pin 8a centrally from the cover surface of the pot-shaped base body 1 and provided with an internal thread, so that the holding pin 8a can be screwed into the internal thread of the sleeve-shaped holding extension 8b with its external thread.

Die peripheren Haltemittel beinhalten strahlscheibenseitig ein in eine Umfangsrandfläche der Strahlscheibe 2 eingebrachtes Außengewinde 9a und grundkörperseitig ein in eine Innenfläche am offenen Endbereich der Seitenwand 1a des topfförmigen Grundkörpers 1 eingebrachtes Innengewinde 9b, in welches die Strahlscheibe 2 mit ihrem peripheren Außengewinde 9a eingeschraubt werden kann.The peripheral holding means include on the spray disc side an external thread 9a introduced into a peripheral edge surface of the spray disc 2 and on the base body side an internal thread 9b introduced into an internal surface at the open end region of the side wall 1a of the cup-shaped base body 1, into which the spray disc 2 with its peripheral external thread 9a can be screwed.

Folglich bilden in diesem Ausführungsbeispiel der Haltezapfen 8a mit dem Außengewinde ein Halteelement und der hülsenförmige Fortsatz 8b mit Innengewinde ein mit diesem Halteelement zusammenwirkendes Gegenhalteelement der zentrischen Haltemittel. Ebenso bilden das umfangsseitige Außengewinde 9a der Strahlscheibe 2 ein Halteelement und das periphere Innengewinde 9b des Grundkörpers 1 ein damit zusammenwirkendes Gegenhalteelement der peripheren Haltemittel 9a, 9b. Beide Haltemittel 8a, 8b; 9a, 9b sind somit bei diesem Ausführungsbeispiel als Schraubhalterung ausgeführt.Consequently, in this exemplary embodiment, the holding pin 8a with the external thread forms a holding element and the sleeve-shaped extension 8b with the internal thread forms a counter-holding element of the central holding means which interacts with this holding element. Likewise, the peripheral external thread 9a of the jet disc 2 forms a holding element and the peripheral internal thread 9b of the base body 1 forms a counter-holding element of the peripheral holding means 9a, 9b which cooperates with it. Both holding means 8a, 8b; 9a, 9b are thus designed as a screw holder in this embodiment.

Die beiden Haltemittel 8a, 8b; 9a, 9b sind dergestalt ausgeführt und aufeinander abgestimmt, dass sie beide in einem gemeinsamen Montagevorgang in ihre erwähnte Halteposition verbracht werden können. Mit anderen Worten sind hierzu die zwei Schraubverbindungen der beiden Schraubhalterungen 8a, 8b; 9a, 9b mit sich entsprechenden Ganghöhen gefertigt, so dass zum Montieren der Strahlscheibe 2 am Grundkörper 1 die Strahlscheibe 2 an den Grundkörper 1 angesetzt und dann relativ zum Grundkörper 1 in Einschraubrichtung verdreht wird, wodurch gleichzeitig zum einen der Haltezapfen 8a mit seinem Außengewinde in das Innengewinde des hülsenförmigen Fortsatzes 8b und zum anderen das umfangsseitige Strahlscheibengewinde 9a in das grundkörperseitige, periphere Außengewinde 9b eingeschraubt werden. Die Montage der Strahlscheibe 2 am Grundkörper 1 erfordert daher nur diese eine Einschraubbewegung der Strahlscheibe 2 relativ zum Grundkörper 1.The two holding means 8a, 8b; 9a, 9b are designed and matched to one another in such a way that they can both be brought into their mentioned holding position in a common assembly process. In other words, the two screw connections of the two screw holders 8a, 8b; 9a, 9b are manufactured with corresponding pitch heights, so that for mounting the spray disc 2 on the base body 1, the spray disc 2 is attached to the base body 1 and then rotated relative to the base body 1 in the screwing direction, thereby simultaneously holding the retaining pin 8a with its external thread into it Internal thread of the sleeve-shaped extension 8b and, on the other hand, the peripheral disc thread 9a are screwed into the peripheral external thread 9b on the basic body. The assembly of the spray disc 2 on the base body 1 therefore only requires this screwing-in movement of the spray disc 2 relative to the base body 1.

Die Fig. 3 und 4 veranschaulichen schematisch einen weiteren nicht erfindungsgemäßen Brausekopf als Variante desjenigen der Fig. 1 und 2, wobei der Übersichtlichkeit halber für identische und funktionell äquivalente Elemente gleiche Bezugszeichen verwendet sind und insoweit auf die obige Beschreibung zu den Fig. 1 und 2 verwiesen werden kann. Im Unterschied zum Ausführungsbeispiel der Fig. 1 und 2 ist beim Ausführungsbeispiel der Fig. 3 und 4 die Strahlscheibenhaltevorrichtung mittels Clipsverbindungen statt Schraubverbindungen ausgeführt. Dazu beinhaltet die Strahlscheibenhaltevorrichtung als zentrische Haltemittel strahlscheibenseitige Clipsfortsätze 11a und mit diesen einrastend zusammenwirkende, grundkörperseitige Clipsnuten 11b. Die Clipsfortsätze 11a erstrecken sich im zentrischen Bereich 2a der Strahlscheibe 2 an deren Innenseite nach innen und schließen an ihrem freien Ende mit radial nach außen weisenden Clipsnasen ab. Im gezeigten Beispiel sind drei Clipsfortsätze 11a in äquidistantem Umfangsabstand längs einer Kreislinie um die Brausekopf-Mittenachse 10 herum angeordnet. Die mit den zentrischen Clipsfortsätzen 11a zusammenwirkenden Clipsnuten 11b sind an entsprechenden Positionen in eine Innenseite eines hülsenförmigen Fortsatzes 13 eingebracht, der sich von der Deckelfläche des Grundkörpers 1 parallel zur Brausekopf-Längsachse 10 aus in Richtung Strahlscheibe 2 erstreckt. Des Weiteren beinhaltet die Strahlscheibenhaltevorrichtung als periphere Haltemittel 3 im peripheren Strahlscheibenbereich 2b mit äquidistantem Winkelabstand angeordnete Clipsfortsätze 12a und entsprechende Clipsnuten 12b, die in die Innenseite der Seitenwand 1a des Brausekopfgehäuses 1 eingebracht sind.The 3 and 4 schematically illustrate a further shower head not according to the invention as a variant of that of the 1 and 2 , with the same reference numerals being used for identical and functionally equivalent elements for the sake of clarity and in this respect referring to the above description of the 1 and 2 can be referred. In contrast to the embodiment of the 1 and 2 is in the embodiment of 3 and 4 the jet disc holder is designed using clip connections instead of screw connections. For this purpose, the jet disk holding device contains, as central holding means, clip extensions 11a on the jet disk side and clip grooves 11b cooperating with them in a snap-in manner. The clip extensions 11a extend in the central area 2a of the jet disc 2 on the inside thereof and close at their free end with radially outwardly pointing clip lugs. In the example shown, three clip extensions 11a are arranged at an equidistant circumferential distance along a circular line around the shower head center axis 10. The clip grooves 11b cooperating with the central clip extensions 11a are introduced at corresponding positions into an inside of a sleeve-shaped extension 13 which extends from the cover surface of the base body 1 parallel to the longitudinal axis 10 of the shower head in the direction of the spray disc 2. Furthermore, the jet disc holding device contains, as peripheral holding means 3 in the peripheral jet disc area 2b with equidistant angular spacing, clip extensions 12a and corresponding clip grooves 12b, which are introduced into the inside of the side wall 1a of the shower head housing 1.

Zur Montage der Strahlscheibe 2 am Grundkörper 1 wird in diesem Fall die Strahlscheibe 2 in axialer Richtung in den Grundkörper 1 eingesteckt, bis sowohl die zentrischen Clipsfortsätze 11a als auch die peripheren Clipsfortsätze 12a in ihre zugehörigen zentrischen bzw. peripheren Clipsnuten 11b, 12b einrasten und dadurch die Strahlscheibe 2 am Grundkörper 1 halten. Beide Haltemittel sind folglich bei diesem Ausführungsbeispiel als Clipshalterung ausgeführt und wie im ersten Ausführungsbeispiel dafür eingerichtet, in einem gemeinsamen Montagevorgang in ihre jeweilige Halteposition verbracht zu werden, wobei der Montagevorgang hier ein axiales Aufstecken bzw. Einstecken des Grundkörpers 2 auf bzw. in den Grundkörper 1 anstelle einer Schraubdrehbewegung beinhaltet. Die Clipsfortsätze 11a, 12a bilden jeweilige strahlscheibenseitige Halteelemente, mit denen die entsprechenden Clipsnuten 11b, 12b des Grundkörpers 1 als Gegenhalteelemente zusammenwirken.To mount the spray disc 2 on the base body 1, the spray disc 2 is inserted in the axial direction into the base body 1 until both the central clip extensions 11a and the peripheral clip extensions 12a snap into their associated central or peripheral clip grooves 11b, 12b and thereby hold the spray disc 2 on the base body 1. Both holding means are consequently designed as a clip holder in this exemplary embodiment and, as in the first exemplary embodiment, are designed to be brought into their respective holding position in a common assembly process, the assembly process here being an axial plugging or plugging of the basic body 2 onto or into the basic body 1 instead of a screw rotation. The clip extensions 11a, 12a form respective retaining elements on the spray disc side, with which the corresponding clip grooves 11b, 12b of the base body 1 interact as counter-holding elements.

Die Fig. 5 und 6 veranschaulichen schematisch einen Brausekopf in Form einer weiteren Variante desjenigen der Fig. 1 und 2, wobei wiederum für identische und funktionell äquivalente Elemente gleiche Bezugszeichen verwendet sind und insoweit auf die obige Beschreibung zu den Fig. 1 und 2 verwiesen werden kann. Im Unterschied zum Brausekopf der Fig. 1 und 2 weist der Brausekopf der Fig. 5 und 6 eine zusätzliche Zwischenplatte 14 auf.The 5 and 6 schematically illustrate a shower head in the form of a further variant of that of 1 and 2 , whereby again the same reference numerals are used for identical and functionally equivalent elements and in this respect refer to the description above for the 1 and 2 can be referred. In contrast to the shower head 1 and 2 the shower head shows the 5 and 6 an additional intermediate plate 14.

Die Zwischenplatte 14 unterteilt den Wasseraustrittsraum 5 in einen eintrittsseitigen Teil 5a, in den der Einlass 6 mündet, und einen austrittseitigen Teil 5b direkt vor der Strahlscheibe 2. Die Zwischenplatte 14 weist Durchlass- bzw. Verteilöffnungen 16 auf. Fluid kann in einer steuerbaren Weise dem eintrittsseitigen Teil 5a des Wasseraustrittsraums 5 zugeführt und durch die Durchlassöffnungen 16 hindurch in den austrittsseitigen Teil 5b des Wasseraustrittsraums 5 vor der Strahlscheibe 2 geleitet werden. Damit lassen sich bei Bedarf unterschiedliche Strahlaustrittsbilder für das aus der Strahlscheibe 2 austretende Fluid erzielen. Dazu kann der austrittsseitige Teil 5b des Wasseraustrittsraums 5 je nach Wunsch in mehrere getrennte Kammern unterteilt sein, denen das Fluid in steuerbarer Weise und bei Bedarf in verschiedenen Betriebsmodi des Brausekopfes unterschiedlich zugeführt werden kann.The intermediate plate 14 divides the water outlet space 5 into an inlet-side part 5a, into which the inlet 6 opens, and an outlet-side part 5b directly in front of the jet disk 2. The intermediate plate 14 has passage or distribution openings 16. Fluid can be fed in a controllable manner to the inlet-side part 5a of the water outlet chamber 5 and can be passed through the passage openings 16 into the outlet-side part 5b of the water outlet chamber 5 in front of the jet disk 2. If necessary, different jet exit images for the fluid emerging from the jet disk 2 can thus be achieved. For this purpose, the outlet-side part 5b of the water outlet space 5 can, if desired, be divided into a plurality of separate chambers, to which the fluid can be supplied in a controllable manner and, if necessary, in different operating modes of the shower head.

Der Brausekopf der Fig. 5 und 6 weist die gleichen peripheren Haltemittel in Form des an der Umfangsfläche der Strahlscheibe 2 vorgesehenen Außengewindes 9a und des an der Innenseite im freien Endbereich der Gehäuseseitenwand 1a vorgesehenen Innengewindes 9b auf wie der Brausekopf der Fig. 1 und 2. Als zentrische Haltemittel der entsprechenden Strahlscheibenhaltevorrichtung fungieren in diesem Beispiel ein verglichen mit dem Brausekopf der Fig. 1 und 2 verkürzter zentrischer Haltefortsatz 15a mit Außengewinde, der von der Strahlscheibeninnenseite nach innen absteht, und eine zentrische Gewindeöffnung 15b in der Zwischenplatte 14. Beide Haltemittel sind somit wieder als Schraubhalterung ausgeführt, wobei auch hier der Gewindegang für die zusammenwirkenden Gewinde der zentrischen Haltemittel 15a, 15b demjenigen der Gewinde der peripheren Haltemittel 9a, 9b entsprechend gewählt ist. Zur Montage kann daher zunächst die Zwischenplatte 14 im Außengehäuseteil 1 des Brausekopfes fixiert und danach die Strahlscheibe 2 einschraubend befestigt werden, wobei sie gleichzeitig zum einen mit ihrem zentrischen Außengewinde des Fortsatzes 15a in das zentrische Gewinde 15b der Zwischenplatte 14 und zum anderen mit ihrem peripheren Außengewinde 9a in das periphere Innengewinde des Außengehäuseteils 1 eingeschraubt wird. Auch in diesem Fall lässt sich somit die Strahlscheibe 2 in einem einzigen Montagevorgang am Brausekopfgehäuse 1 so anbringen, dass sie in ihrem zentrischen Bereich 2a und in ihrem peripheren Bereich 2b gehalten wird.The shower head of the 5 and 6 has the same peripheral holding means in the form of the external thread 9a provided on the peripheral surface of the jet disc 2 and the internal thread 9b provided on the inside in the free end region of the housing side wall 1a as the shower head of FIG 1 and 2 . In this example, the central holding means of the corresponding jet disc holding device function compared to the shower head 1 and 2 shortened central holding extension 15a with external thread, which protrudes inwards from the inside of the spray disc, and a central threaded opening 15b in the intermediate plate 14. Both holding means are thus again designed as screw holders, the thread turn for the cooperating threads of the central holding means 15a, 15b also being the same here the thread of the peripheral holding means 9a, 9b is selected accordingly. For assembly, therefore, the intermediate plate 14 can first be fixed in the outer housing part 1 of the shower head and then the spray disc 2 can be screwed on, while at the same time with its central external thread of the extension 15a into the central thread 15b of the intermediate plate 14 and the other with its peripheral external thread 9a is screwed into the peripheral internal thread of the outer housing part 1. In this case, too, the spray disc 2 can be attached to the shower head housing 1 in a single assembly process in such a way that it is held in its central region 2a and in its peripheral region 2b.

Die Fig. 7 und 8 veranschaulichen einen nicht erfindungsgemäßen Brausekopf, bei dem eine an sich bekannte Mehrstrahlcharakteristik implementiert ist. Wiederum sind zum leichteren Verständnis identische oder funktionell äquivalente Elemente mit gleichen Bezugszeichen wie in den Ausführungsbeispielen der Fig. 1 bis 6 bezeichnet, so dass insoweit auf deren obige Beschreibung verwiesen werden kann. Zur Bereitstellung der erwähnten Mehrstrahlcharakteristik beinhaltet dieser Brausekopf einen Grundkörper 1 in Form eines Kartuscheneinsatzes, der ein Deckelteil 1b und eine Kartuschenplatte oder Zwischenplatte 17 aufweist, die an der Innenseite des Deckelteils 1b mit diesem verbunden ist. Der Kartuscheneinsatz 1 kann in ein nicht gezeigtes Brausekopfgehäuse eingesetzt werden.The 7 and 8 illustrate a shower head not according to the invention, in which a multi-jet characteristic known per se is implemented. Again, for easier understanding, identical or functionally equivalent elements are given the same reference numerals as in the exemplary embodiments in FIG 1 to 6 referred to, so that reference can be made to their description above. To provide the above-mentioned multi-jet characteristic, this shower head includes a base body 1 in the form of a cartridge insert, which has a cover part 1b and a cartridge plate or intermediate plate 17 which is connected to the inside of the cover part 1b. The cartridge insert 1 can be inserted into a shower head housing, not shown.

Durch die Zwischenplatte 17 wird der Wasseraustrittsraum 5 in einen eintrittsseitigen Teil 5a zwischen Deckelteil 1b und Zwischenplatte 17 und einen austrittsseitigen Teil 5b zwischen Strahlscheibe 2 und Zwischenplatte 17 aufgeteilt. Durch entsprechenden Aufbau der Innenseite des Deckelteils 1b und der zugwandten Seite der Zwischenplatte 17 ist der eintrittsseitige Teil 5a des Wasseraustrittsraums 5 in mehrere getrennte Wasserführungspfade aufgeteilt, die selektiv mittels eines Umschaltventils 18 mit dem Einlass 6 in Fluidverbindung gebracht werden können. Das Umschaltventil 18 kann vom Benutzer mittels einer Bedientaste 19 betätigt werden. Die Zwischenplatte 17 ist wie die Zwischenplatte 14 beim Ausführungsbeispiel der Fig. 5 und 6 mit Durchlassöffnungen zur Fluidverbindung von eintrittsseitigem Teil 5a und austrittsseitigem Teil 5b des Wasseraustrittsraums 5 versehen. Durch entsprechende Profilierung der Strahlscheibeninnenseite und der ihr zugewandten Seite der Zwischenplatte 17 ist der austrittsseitige Teil 5b des Wasseraustrittsraums 5 in mehrere getrennte Kammern unterteilt, denen das über den Einlass 6 zugeführte Fluid durch Betätigen des Umschaltventils 18 in steuerbar unterschiedlicher Weise zugeführt werden kann, um gewünschte, unterschiedliche Strahlbilder für das aus der Strahlscheibe 2 über die Strahlaustrittsöffnungen 7 austretende Fluid zu erzielen.Through the intermediate plate 17, the water outlet space 5 is divided into an inlet-side part 5a between the lid part 1b and the intermediate plate 17 and an outlet-side part 5b between the jet disc 2 and the intermediate plate 17. By means of a corresponding construction of the inside of the cover part 1b and the side of the intermediate plate 17 facing the pull, the inlet-side part 5a of the water outlet space 5 is divided into a plurality of separate water guide paths which can be selectively brought into fluid connection with the inlet 6 by means of a changeover valve 18. The switching valve 18 can be operated by the user using an operating button 19. The intermediate plate 17 is like the intermediate plate 14 in the embodiment of FIG 5 and 6 with passage openings for fluid connection of the inlet-side part 5a and outlet-side part 5b of the water outlet space 5. By appropriate profiling of the inside of the spray disc and the side of the intermediate plate 17 facing it, the outlet-side part 5b of the water outlet space 5 is divided into a plurality of separate chambers, to which the fluid supplied via the inlet 6 can be supplied in a controllably different manner by actuating the changeover valve 18, in order to achieve desired to achieve different jet patterns for the fluid emerging from the jet disk 2 via the jet outlet openings 7.

Die Strahlscheibe 2 ist am Grundkörper 1 durch eine Strahlscheibenhaltevorrichtung gehalten, die wiederum zentrische und periphere Haltemittel umfasst. In diesem Beispiel sind beide Haltemittel als Bajonetthalterung ausgeführt. Für die zentrischen Haltemittel ragt dazu von der Strahlscheibeninnenseite zentrisch nach innen ein Bajonetthaltezapfen 20 ab, der in der Nähe seines freien Endbereichs umfangsseitig mit einer Bajonettkulissenbahn 20a versehen ist. Korrespondierend weist die Zwischenplatte 17 eine zentrische Öffnung und radial in diese zentrische Öffnung nach innen vorstehende Bajonettnasen 21 auf. Zur Bereitstellung der peripheren Bajonett-Haltemittel weist die Strahlscheibe 2 umfangsseitig verteilt eine Mehrzahl von z.B. vier radial nach außen weisenden Bajonettfortsätzen 22 auf, mit denen im peripheren Bereich der Zwischenplatte 17 entsprechend ausgebildete Bajonettkulissen 23 zusammenwirken, die in dazu passendem Winkelabstand an einer in den Fig. 7 und 8 unteren, der Strahlscheibe 2 zugewandten Seite des Umfangs der Zwischenplatte 17 ausgebildet sind.The spray disc 2 is held on the base body 1 by a spray disc holding device, which in turn comprises central and peripheral holding means. In this example, both holding devices are designed as bayonet holders. For the central holding means, a bayonet holding pin 20 projects centrally inwards from the inside of the jet disc and is provided with a bayonet link track 20a on the circumference near its free end region. Correspondingly, the intermediate plate 17 has a central opening and bayonet lugs 21 projecting radially inwards into this central opening. To provide the peripheral bayonet holding means, the jet disk 2 has a plurality of, for example, four radially outwardly pointing bayonet extensions 22, with which correspondingly designed bayonet guides 23 cooperate in the peripheral area of the intermediate plate 17 and which cooperate at a suitable angular distance at one of the 7 and 8 lower, the side facing the spray disc 2 of the circumference of the intermediate plate 17 are formed.

Wiederum sind die zentrischen Haltemittel 20, 21 einerseits und die peripheren Haltemittel 22, 23 andererseits so aufeinander abgestimmt, dass die Strahlscheibe 2 durch eine gemeinsame Montagebewegung, hier eine Bajonettschließbewegung, gleichzeitig in ihrem zentrischen Bereich und in ihrem peripheren Bereich am Grundkörper 1 bzw. dessen Zwischenplatte 17 befestigt werden kann.Again, the central holding means 20, 21, on the one hand, and the peripheral holding means 22, 23, on the other hand, are matched to one another in such a way that the jet disc 2 is simultaneously in its central region and in its peripheral region on the base body 1 or its body by a joint assembly movement, here a bayonet closing movement Intermediate plate 17 can be attached.

Fig. 9 veranschaulicht einen erfindungsgemäßen Brausekopf, der demjenigen der Fig. 7 und 8 mit der Modifikation entspricht, dass er mit einer Sicherungsverriegelung ausgerüstet ist. Die Sicherungsverriegelung umfasst eine Verriegelungsstiftaufnahme 30 in der entsprechend modifizierten Strahlscheibe 2, im gezeigten Beispiel speziell in deren Bedientaste 19, und einen in die Verriegelungsstiftaufnahme 30 eingreifenden Verriegelungsstift 31, wobei die Verriegelungsstiftaufnahme 30 im gezeigten Beispiel als durchgehende Öffnung in der Bedientaste 19 der Strahlscheibe 2 realisiert ist. Fig. 9 illustrates a shower head according to the invention, that of the 7 and 8 with the modification corresponds to the fact that it is equipped with a safety lock. The safety lock comprises a locking pin receptacle 30 in the correspondingly modified jet disc 2, in the example shown specifically in its operating button 19, and a locking pin 31 engaging in the locking pin receptacle 30, the locking pin receptacle 30 in the example shown being realized as a through opening in the operating button 19 of the jet disk 2 is.

Bevorzugt befindet sich der Verriegelungsstift 31 in einer Betätigungsstiftaufnahme für einen Betätigungsstift 33 des Umschaltventils 18. Dabei kann der Verriegelungsstift 31 gleichzeitig als der zugehörige Ventilbetätigungsstift 33 fungieren oder in axialer Verlängerung desselben angeordnet und z.B. mit diesem bewegungsgekoppelt sein. Die Betätigungsstiftaufnahme kann beispielsweise eine in Fig. 8 zu erkennende Aufnahmeöffnung 32 an der Unterseite des Grundkörpers 1 des Brausekopfs beinhalten.The locking pin 31 is preferably located in an actuating pin receptacle for an actuating pin 33 of the changeover valve 18. In this case, the locking pin 31 can simultaneously function as the associated valve actuating pin 33 or be arranged in an axial extension thereof and, for example, be coupled to it in motion. The actuating pin receptacle can be, for example, a Fig. 8 contain receiving opening 32 to be recognized on the underside of the base body 1 of the shower head.

Zur Montage der Strahlscheibe 2 wird der Verriegelungsstift 31 in die Betätigungsstiftaufnahme eingesetzt und zurückgedrückt. Anschließend wird die Strahlscheibe 2 an den Grundkörper 1 angesetzt und gedreht, um die Bajonettverbindung zu bewirken. Sobald die Verriegelungsstiftaufnahme 30 bei dieser Montagedrehbewegung mit dem zurückgedrückten Verriegelungsstift 31 fluchtet, kann dieser in die Verriegelungsstiftaufnahme eingreifen und dadurch die Strahlscheibe 2 gegen ein Zurückdrehen und folglich gegen ein Demontieren vom Grundkörper 1 sichern. Dazu kann vorgesehen sein, dass der Verriegelungsstift 31 selbsttätig in die Verriegelungsstiftaufnahme 30 einschnappt, sobald er mit dieser fluchtet. Alternativ kann vorgesehen sein, dass der Verriegelungsstift 31 durch einen lösbaren Rückhaltemechanismus während der Strahlscheibenmontage in der zurückgedrückten Position gehalten wird und nach erfolgter Montage z.B. unter Verwendung eines Werkzeugs durch Lösen des Rückhaltemechanismus wieder vorbewegt und damit in die Verriegelungsstiftaufnahme hinein bewegt wird. Das Werkzeug kann durch die Verriegelungsstiftaufnahme 30 hindurch am Verriegelungsstift 31 angreifen.To assemble the spray disc 2, the locking pin 31 is inserted into the actuating pin receptacle and pushed back. Then the jet disc 2 is attached to the base body 1 and rotated to effect the bayonet connection. As soon as the locking pin receptacle 30 is aligned with the pushed-back locking pin 31 during this assembly rotary movement, the locking pin 31 can engage in the locking pin receptacle and thereby secure the spray disc 2 against turning back and consequently against disassembly from the base body 1. For this purpose, it can be provided that the locking pin 31 automatically snaps into the locking pin receptacle 30 as soon as it is aligned with the latter. Alternatively, it can be provided that the locking pin 31 is held in the pushed-back position by a releasable retaining mechanism during the jet disc assembly and, after assembly, e.g. is moved forward again using a tool by releasing the retaining mechanism and is thus moved into the locking pin receptacle. The tool can engage the locking pin 31 through the locking pin receptacle 30.

Zum Demontieren der Strahlscheibe 2 vom Grundkörper 1 wird der Verriegelungsstift 31 z.B. wieder mittels eines geeigneten Werkzeugs in seine die Verriegelungsstiftaufnahme 30 freigebende Position zurückgedrückt und in dieser zurückgedrückten Position mittels des erwähnten Rückhaltemechanismus gehalten. Dann kann die Bajonettverbindung durch Zurückdrehen der Strahlscheibe 2 gegenüber dem Grundkörper 1 gelöst und dadurch die Strahlscheibe 2 vom Brausekopf abgenommen werden.To remove the spray disc 2 from the base body 1, the locking pin 31 is e.g. pressed back into its position releasing the locking pin receptacle 30 by means of a suitable tool and held in this pushed back position by means of the retention mechanism mentioned. Then the bayonet connection can be released by turning back the spray disc 2 relative to the base body 1 and thereby the spray disc 2 can be removed from the shower head.

Wie die gezeigten und oben erläuterten Ausführungsbeispiele deutlich machen, stellt die Erfindung einen Brausekopf bereit, bei dem die Strahlscheibe in nur einem Montagevorgang am Grundkörper angebracht werden kann und dabei formschlüssig einerseits in ihrem zentrischen Bereich und andererseits in ihrem peripheren Bereich am Grundkörper gesichert gehalten ist. Weitere Befestigungen zwischen dem zentrischen Bereich und dem peripheren Bereich der Strahlscheibe sind nicht erforderlich. Es ist auch kein weiterer Montagevorgang erforderlich. Andererseits ist die Strahlscheibe durch ihre Festlegung sowohl im zentrischen als auch im peripheren Bereich sehr stabil und funktionell zuverlässig am Brausekopf-Grundkörper gehalten, so dass eine zuverlässige Funktion des Brausekopfes auch dann gewährleistet ist, wenn relativ hohe Fluiddrücke im Brausekopf auftreten und/oder vergleichsweise großflächige Strahlscheiben benutzt werden.As the exemplary embodiments shown and explained above make clear, the invention provides a shower head in which the spray disc can be attached to the base body in only one assembly process and is positively held on the one hand in its central area and on the other hand in its peripheral area on the base body. No further fastenings between the central area and the peripheral area of the jet disc are required. No further assembly process is required. On the other hand, the jet disc is held in a very stable and functionally reliable manner on the shower head base body, both in the central and in the peripheral area, so that reliable operation of the shower head is ensured even when relatively high fluid pressures are involved occur in the shower head and / or relatively large spray disks are used.

Es versteht sich, dass sich der erfindungsgemäße Brausekopf nicht nur als sanitäre Kopf- oder Handbrause eignet, sondern überall dort vorteilhaft zum Einsatz kommen kann, wo Bedarf an einem Brausekopf mit an einem Grundkörper montierbarer Strahlscheibe besteht.It goes without saying that the shower head according to the invention is not only suitable as a sanitary overhead or hand shower, but can also be used advantageously wherever there is a need for a shower head with a spray disc that can be mounted on a base body.

Claims (6)

  1. A shower head, preferably for a sanitary shower device, comprising
    - a base body (1),
    - a jet disk (2), and
    - a jet disk holding device for holding the jet disk on the base body,
    - wherein the jet disk holding device has first, centrical holding means (20, 21) for fixing a centrical zone of the jet disk to the base body in an associated holding position, and second, peripheral holding means (22, 23) for fixing a peripheral zone of the jet disk to the base body in an associated holding position, wherein the first and the second holding means are embodied in a bayonet holding means and configured so as to be put into their respective holding position in a common installation operation, and
    - wherein the jet disk holding device has a securing lock (30, 31) which secures against removal of the jet disk from the base body and comprises a locking pin seat (30) in the jet disk and a locking pin (31) which is retained on the base body and can be received in the locking pin seat for securing against removal.
  2. The shower head according to claim 1, wherein the first holding means and/or the second holding means include a jet disk-sided holding element (20, 22) on the jet disk and a housing-sided counter holding element (21, 23) on the base body cooperating with the jet disk-sided holding element.
  3. The shower head according to claim 2, wherein the housing-sided counter holding element of the first holding means and/or the second holding means is/are provided on an exterior housing portion of the shower head forming the base body or a part thereof or on an intermediate plate (17) accommodated in the exterior housing portion.
  4. The shower head according to any one of claims 1 to 3, wherein the locking pin is located in an actuating pin seat for a switch-over valve actuating pin (33) and acts as the switch-over valve actuating pin or is disposed in axial elongation thereof.
  5. The shower head according to claim 4, wherein the actuating pin seat includes a seat aperture (32) on a bottom side of the base body facing the jet disk.
  6. The shower head according to claim 4 or 5, wherein the locking pin is movable between a pushed-back release position and an advanced locking position.
EP14802659.4A 2013-11-25 2014-11-25 Shower head with jet disk retaining device Active EP3074140B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013224053.8A DE102013224053A1 (en) 2013-11-25 2013-11-25 Shower head with jet disk holding device
PCT/EP2014/075497 WO2015075255A1 (en) 2013-11-25 2014-11-25 Shower head with jet disk retaining device

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EP3074140A1 EP3074140A1 (en) 2016-10-05
EP3074140B1 true EP3074140B1 (en) 2020-07-08

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EP14802659.4A Active EP3074140B1 (en) 2013-11-25 2014-11-25 Shower head with jet disk retaining device

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EP (1) EP3074140B1 (en)
CN (1) CN106102924B (en)
DE (1) DE102013224053A1 (en)
WO (1) WO2015075255A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3064198B1 (en) 2017-03-23 2021-10-01 Air Liquide France Ind DEVICE FOR INJECTING A CRYOGENIC FLUID THROUGH THE BOTTOM OF A MIXER
DE102019200012A1 (en) 2019-01-02 2020-07-02 Hansgrohe Se Shower head with spray disc holder

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Publication number Priority date Publication date Assignee Title
FR1039756A (en) * 1951-06-11 1953-10-09 Paul Lechler Liquid sprayer
FR2149081A5 (en) * 1971-07-31 1973-03-23 Knapp Alfons
DE8500209U1 (en) 1985-01-05 1985-05-02 Rüschenbaum GmbH, 5860 Iserlohn HAND SHOWER
DE19808511A1 (en) * 1998-02-27 1999-09-02 Kludi Armaturen Scheffer Vertr Roar
DE10313822A1 (en) * 2002-12-12 2004-07-15 Hansgrohe Ag Shower head with air input, e.g. for personal hygiene,
DE102005002424A1 (en) * 2005-01-18 2006-07-27 Grohe Ag Hand shower for e.g. bath mechanism, has water distribution plate covered with cover, and openings formed in cover and connected with water chambers of different stream producing system, at distribution spaces limited by separation wall
CN201921783U (en) * 2011-01-20 2011-08-10 厦门松霖科技有限公司 Lock cylinder structure of shower
EP2500103B1 (en) * 2011-03-14 2014-09-24 Kwc Ag Adjustable hand shower
CN202860725U (en) * 2012-09-17 2013-04-10 恺霖卫浴科技（厦门）有限公司 Shower head with surface cover convenient to disassemble and wash
CN202951581U (en) * 2012-12-04 2013-05-29 恺霖卫浴科技（厦门）有限公司 Shower head with detachable surface cover

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CN106102924A (en) 2016-11-09
EP3074140A1 (en) 2016-10-05
CN106102924B (en) 2020-07-07
WO2015075255A1 (en) 2015-05-28
DE102013224053A1 (en) 2015-05-28

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