EP3064278A1 - Sprinkler with nozzle for air admixture - Google Patents

Sprinkler with nozzle for air admixture Download PDF

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Publication number
EP3064278A1
EP3064278A1 EP16000522.9A EP16000522A EP3064278A1 EP 3064278 A1 EP3064278 A1 EP 3064278A1 EP 16000522 A EP16000522 A EP 16000522A EP 3064278 A1 EP3064278 A1 EP 3064278A1
Authority
EP
European Patent Office
Prior art keywords
flow channel
channel
water
nozzle
shower
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16000522.9A
Other languages
German (de)
French (fr)
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EP3064278B1 (en
Inventor
Benedikt Mönig
Claudia SCHRÖDER
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.)
Grohe AG
Original Assignee
Grohe AG
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Filing date
Publication date
Application filed by Grohe AG filed Critical Grohe AG
Priority to PL16000522T priority Critical patent/PL3064278T4/en
Priority to SI201630570T priority patent/SI3064278T1/en
Publication of EP3064278A1 publication Critical patent/EP3064278A1/en
Application granted granted Critical
Publication of EP3064278B1 publication Critical patent/EP3064278B1/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
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • 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
    • B05B1/14—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
    • B05B1/1645—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 the outlets being rotated during selection
    • B05B1/1654—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 the outlets being rotated during selection about an axis parallel to the liquid passage in the stationary valve element
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0425—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid without any source of compressed gas, e.g. the air being sucked by the pressurised liquid

Definitions

  • the present invention relates to a shower head, with which a shower jet air can be mixed.
  • shower heads are used in particular in showers or bathtubs.
  • shower heads are known from the prior art, with which different shower spray can be generated.
  • a shower head through which a "needle beam", a “soft jet” and a “Pulsationsstrahl” are generated.
  • a spray jet To form certain effervescent jets, it may be desirable to mix air with the effervescent jet.
  • air is directed from the outside into the water supply of the shower.
  • mechanical components such. As valves, springs and / or seals used, on the one hand increase the production cost and on the other hand, the risk of failure of the shower.
  • an internal pressure in flow channels of the shower rise, so that air can escape from air intake nozzles.
  • the object of the invention is therefore to solve the problems described with reference to the prior art, at least partially and in particular to provide a shower head, with the air a shower spray can be mixed with little effort.
  • the shower head has for this purpose a shower housing with at least one flow channel, wherein the at least one flow channel has a nozzle through which a negative pressure can be generated when flowing through the at least one flow channel with water, so that air can be sucked into the at least one flow channel via a channel, and wherein the at least one flow channel is closable, so that the water can be discharged from the channel.
  • the shower head is in particular a shower head for a shower and / or bath.
  • the shower head has a shower housing with at least one flow channel, wherein usually a plurality of flow channels is provided.
  • the shower enclosure is in particular at least partially made of plastic and / or metal.
  • the shower enclosure is fed via a supply line water from a water source.
  • the water may in particular be a mixed water which has been mixed by means of a thermostat of a cold water and hot water.
  • the water can be conducted through the shower housing via at least one flow channel to at least one outlet of the shower head.
  • At least one flow channel of the shower head (in particular a plurality of the plurality of flow channels) has a nozzle through which a negative pressure can be generated when flowing through the at least one flow channel with water.
  • a nozzle is to be understood here in particular as a region of the at least one flow channel, in which a cross section and / or area of the at least one flow channel tapers in the flow direction of the water.
  • a flow velocity of the water increases in the region of the nozzle, as a result of which an underpressure can be generated adjacent.
  • a (lateral) channel eg in the manner of a branch channel
  • the at least one flow channel can be closed, so that the same time water is discharged via the channel into the environment. In other words, this means that the water is diverted into the channel by closing the at least one flow channel.
  • the channel is on the one hand flows through from the outside to the inside with air when the at least one flow channel is open, and on the other hand flows through from the inside to the outside with water when the at least one flow channel is closed.
  • a risk of calcification of the shower head is reduced because the channel can be flowed through both air and water.
  • the at least one flow channel can be closed downstream of the channel.
  • the pressure in the at least one flow channel and in particular the pressure in the region of the nozzle increases, so that the water flows out through the channel.
  • a valve is arranged in the at least one flow channel.
  • the valve can be actuated by a user of the shower head, in particular by means of a switching element of the shower head, wherein it may be, for example, a handle body which is rotatable about an axis of rotation in the switching element.
  • the nozzle is a Venturi nozzle.
  • the cross-section and / or the surface area of the at least one flow channel initially tapers in the flow direction and expands again after reaching a minimum cross-section in the flow direction.
  • the channel opens into the at least one flow channel.
  • a distributor is arranged, via which the water is a plurality of flow channels can be fed.
  • the Fig. 1 shows a partial view of a shower head 1 with a shower housing 2 in a sectional view.
  • the basic structure of the shower head 1 is in column 2, line 61 to column 5, line 19 of DE 4113 289 A1 described.
  • the aforementioned text passage of DE 41 13 289 A1 is hereby incorporated by reference.
  • the shower head 1 has a jet former 15 with an insert body 16, a housing bell 17, a distributor 7, a central body 18 and a jet exit plate 19.
  • the insert body 16 is fixedly connected to the shower housing 2 and has essentially the task to supply incoming water through an opening 20 to a subsequent channel system of the shower head 1 and the jet former 15.
  • the bell housing 17 and the jet outlet plate 19 are connected to each other in a rotationally fixed manner, so that rotation of the jet outlet plate 19 (eg via a handle body 13) by a user of the shower head 1 about a rotation axis 14 rotates the bell housing 17 accordingly. Due to the rotation of the bell housing 17, the opening 20 of the insert body 16 z. B.
  • a plurality of water inlet openings 21 each can be assigned, whereby in each case an associated or other channel system of the jet former 15 for forming different effervescent jets, such as “needle jets", “soft jets” or “Pulsationsstrahlen”, can be activated.
  • the distributor 7 and the central body 18 are arranged between the jet outlet plate 19 and the bell housing 17 and with the jet outlet plate 19 about the rotation axis 14 rotatable, these two components can perform relative to each other no rotation.
  • a channel system for generating "soft jets" in the jet former 15 is activated, which has a first flow channel 3 with a first nozzle 4 and a second flow channel 8 with a second nozzle 9.
  • a negative pressure generated is generated, so via a first channel 5 air from an environment 11 in the first flow channel 3 and a second channel 12 air from the environment 11 in the second flow channel 8 is sucked.
  • the first channel 5 and the second channel 12 forms an air passage between a lying in the interior of the jet former 15 section of the first flow channel 3 and second flow channel 8 toward a water outlet opening 22 of the jet outlet plate 19, which are arranged adjacent to these flow channels.
  • This water outlet is currently not flooded with water in the formation of the desired spray pattern.
  • These water outlet openings 22 then serve (for this adjustment of the jet former) as an air intake opening for the introduction of air into the jet former 15. This detail is illustrated with appropriate arrows to illustrate the flow of water and airflow in Fig. 1 shown enlarged again.
  • the first flow channel 3 is through a first valve 6 shown schematically here and the second flow channel 8 through a likewise schematically illustrated second valve 10 closable, so that the flowing through the first flow channel 3 and the second flow channel 8 water through the first channel 5 and the second channel 12 is discharged, when the first valve 6 and the second valve 10 are closed.
  • These water outlet openings 22 then serve no longer as an air intake opening for the introduction of air into the jet former 15, but for the formation of water jets having the desired property in the external environment.
  • FIGS. 2 and 3 In particular, a sealing shoe 23 of a distributor 7, the distributor 7 and the jet outlet plate 19 of the jet former 15 can be seen.
  • the distributor 7 and the jet outlet plate 19 are arranged about an axis of rotation 14 relative to the latter Seal 23 of the distributor 7 rotatable.
  • the jet former 15 is also formed symmetrically to the axis of rotation 14.
  • a first operating mode, or a first beam position of the beam former 15 is shown in which a channel system z. B. is activated to generate "soft rays".
  • water flows from a water inlet opening 21 of the sealing shoe 23 of the distributor 7 through a first flow channel 3 to a water outlet opening 22 of the jet outlet plate 19.
  • the first channel 5 is an air intake channel.
  • the water is mixed in the first flow channel 3 with the air, so that "soft rays" arise.
  • a second operating mode or a second beam position of the jet former 15 is shown in which a channel system z. B. is activated to generate "needle beams".
  • the distributor 7 is rotated relative to the sealing shoe 23 of the distributor 7, so that the first flow channel 3 is closed.
  • the sealing shoe 23 Therefore, the water flows from another water inlet opening 21 in the first flow channel 3 and from the water outlet opening 22 and from the first channel 5 in the environment 11.
  • a negative pressure, but by closing the first valve 6, an overpressure Therefore, in the second mode of operation, no air is sucked through the first channel 5 from the environment 11. Therefore, no "soft jets" but "needle jets" are formed.
  • the jet former 15 also has one in the FIGS. 2 and 3 not shown second flow channel 8 with a second nozzle 9 and a second valve 10. Due to the symmetry of the jet former 15, however, the second flow channel 8, the second nozzle 9 and the second valve 10 are identical to the first flow channel 3, the first nozzle 4 and the first channel 5. The mode of operation also corresponds to that of the first flow channel 3, the first nozzle 4 and the first channel 5.
  • the present invention is characterized in particular by the fact that it is particularly easy to displace an effervescent jet with air and, in addition, calcification of the effervescent head can be avoided.
  • the jet former is designed so that it emits water in predetermined operating conditions from a certain number of water outlet openings of the jet outlet plate or (independently) sucks in air.

Landscapes

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

Abstract

Brausekopf (1), aufweisend ein Brausegehäuse (2) mit zumindest einem Strömungskanal (3), wobei der zumindest eine Strömungskanal (3, 8) eine Düse (4) aufweist, durch die beim Durchströmen des zumindest einen Strömungskanals (3, 8) mit Wasser ein Unterdruck erzeugbar ist, sodass über einen Kanal (5) Luft in den zumindest einen Strömungskanal (3, 8) ansaugbar ist, und wobei der zumindest eine Strömungskanal (3, 8) verschließbar ist, sodass das Wasser aus dem Kanal (5) ableitbar ist.Shower head (1), comprising a shower housing (2) with at least one flow channel (3), wherein the at least one flow channel (3, 8) has a nozzle (4) through which flows through the at least one flow channel (3, 8) Water, a negative pressure can be generated, so that via a channel (5) air in the at least one flow channel (3, 8) is sucked, and wherein the at least one flow channel (3, 8) is closable, so that the water from the channel (5) is derivable.

Description

Die vorliegende Erfindung betrifft einen Brausekopf, mit dem einem Brausestrahl Luft beigemischt werden kann. Solche Brauseköpfe werden insbesondere in Duschen oder Badewannen verwendet.The present invention relates to a shower head, with which a shower jet air can be mixed. Such shower heads are used in particular in showers or bathtubs.

Aus dem Stand der Technik sind Brauseköpfe bekannt, mit denen unterschiedliche Brausestrahle erzeugbar sind. Beispielsweise ist aus der DE 4113 289 A1 ein Brausekopf bekannt, durch den ein "Nadelstrahl", ein "Softstrahl" und ein "Pulsationsstrahl" erzeugbar sind. Zur Ausbildung bestimmter Brausestrahlen kann es gewünscht sein, dem Brausestrahl Luft beizumischen. Zur Erzeugung des Brausestrahls mit Luftbeimischung wird Luft von außen in die Wasserführung der Brause geleitet. Hierzu werden bei bekannten Brausen mechanische Bauteile, wie z. B. Ventile, Federn und/oder Dichtungen verwendet, die einerseits den Fertigungsaufwand und andererseits das Ausfallrisiko der Brause erhöhen. Zudem kann bei einem Verkalken der Brause ein Innendruck in Strömungskanälen der Brause ansteigen, sodass aus Luftansaugdüsen Wasser austreten kann.Shower heads are known from the prior art, with which different shower spray can be generated. For example, is from the DE 4113 289 A1 a shower head, through which a "needle beam", a "soft jet" and a "Pulsationsstrahl" are generated. To form certain effervescent jets, it may be desirable to mix air with the effervescent jet. To generate the spray jet with the addition of air, air is directed from the outside into the water supply of the shower. For this purpose, in known showers mechanical components such. As valves, springs and / or seals used, on the one hand increase the production cost and on the other hand, the risk of failure of the shower. In addition, with a calcification of the showerhead, an internal pressure in flow channels of the shower rise, so that air can escape from air intake nozzles.

Aufgabe der Erfindung ist daher, die mit Bezug auf den Stand der Technik geschilderten Probleme zumindest teilweise zu lösen und insbesondere einen Brausekopf anzugeben, mit dem Luft einem Brausestrahl mit geringem Aufwand beimischbar ist.The object of the invention is therefore to solve the problems described with reference to the prior art, at least partially and in particular to provide a shower head, with the air a shower spray can be mixed with little effort.

Diese Aufgaben werden gelöst mit einem Brausekopf gemäß den Merkmalen des unabhängigen Patentanspruchs. Weitere vorteilhafte Ausgestaltungen des Brausekopfs sind in den abhängig formulierten Patentansprüchen angegeben. Es ist darauf hinzuweisen, dass die in den abhängig formulierten Patentansprüchen einzeln aufgeführten Merkmale in beliebiger technologisch sinnvoller Weise miteinander kombiniert werden können und weitere Ausgestaltungen der Erfindung definieren. Darüber hinaus werden die in den Patentansprüchen angegebenen Merkmale in der Beschreibung näher präzisiert und erläutert, wobei weitere bevorzugte Ausgestaltungen der Erfindung dargestellt werden.These objects are achieved with a shower head according to the features of the independent claim. Further advantageous embodiments of the shower head are given in the dependent formulated claims. It should be noted that the features listed individually in the dependent formulated claims can be combined with each other in any technologically meaningful manner and define further embodiments of the invention. In addition, the features specified in the claims in the description specified and explained in more detail, wherein further preferred embodiments of the invention are shown.

Der Brausekopf weist hierfür ein Brausegehäuse mit zumindest einem Strömungskanal auf, wobei der zumindest eine Strömungskanal eine Düse aufweist, durch die beim Durchströmen des zumindest einen Strömungskanals mit Wasser ein Unterdruck erzeugbar ist, sodass über einen Kanal Luft in den zumindest einen Strömungskanal ansaugbar ist, und wobei der zumindest eine Strömungskanal verschließbar ist, sodass das Wasser aus dem Kanal ableitbar ist.The shower head has for this purpose a shower housing with at least one flow channel, wherein the at least one flow channel has a nozzle through which a negative pressure can be generated when flowing through the at least one flow channel with water, so that air can be sucked into the at least one flow channel via a channel, and wherein the at least one flow channel is closable, so that the water can be discharged from the channel.

Bei dem Brausekopf handelt es sich insbesondere um einen Duschkopf für eine Dusche und/oder Badewanne. Der Brausekopf weist ein Brausegehäuse mit zumindest einem Strömungskanal auf, wobei üblicherweise eine Vielzahl von Strömungskanälen vorgesehen ist. Das Brausegehäuse ist insbesondere zumindest teilweise aus Kunststoff und/oder Metall gefertigt. Dem Brausegehäuse ist über eine Zuleitung Wasser aus einer Wasserquelle zuführbar. Bei dem Wasser kann es sich insbesondere um ein Mischwasser handeln, das mittels eines Thermostats aus einem Kaltwasser und Warmwasser gemischt wurde. Das Wasser ist durch das Brausegehäuse über zumindest einen Strömungskanal zu zumindest einem Auslass des Brausekopfs leitbar. Zumindest ein Strömungskanal des Brausekopfs (insbesondere eine Mehrzahl der Vielzahl von Strömungskanälen) weist eine Düse auf, durch die beim Durchströmen des zumindest einen Strömungskanals mit Wasser ein Unterdruck erzeugbar ist. Unter einer Düse ist hier insbesondere ein Bereich des zumindest einen Strömungskanals zu verstehen, in dem sich ein Querschnitt und/oder Flächeninhalt des zumindest einen Strömungskanals in Strömungsrichtung des Wassers verjüngt. Hierdurch steigt im Bereich der Düse eine Strömungsgeschwindigkeit des Wassers an, wodurch benachbart ein Unterdruck erzeugbar ist. Im Bereich der Düse bzw. des Unterdrucks mündet ein (seitlicher) Kanal (z. B. nach Art eines Stichkanals) in den zumindest einen Strömungskanal, der den zumindest einen Strömungskanal mit einer Umgebung bzw. einem Luftreservoir verbindet. Somit kann über den im Bereich der Düse erzeugten Unterdruck über den Kanal Luft aus der Umgebung in den zumindest einen Strömungskanal hinein angesaugt werden, die in dem zumindest einen Strömungskanal mit dem Wasser mischbar ist. Zudem ist der zumindest eine Strömungskanal verschließbar, sodass das gleichermaßen dann Wasser über den Kanal in die Umgebung ableitbar ist. Dies bedeutet mit anderen Worten, dass das Wasser durch das Verschließen des zumindest einen Strömungskanals in den Kanal umgeleitet wird. Somit wird der Kanal einerseits von außen nach innen mit Luft durchströmt, wenn der zumindest eine Strömungskanal geöffnet ist, und andererseits von innen nach außen mit Wasser durchströmt, wenn der zumindest eine Strömungskanal geschlossen ist. Hierdurch wird insbesondere ein Verkalkungsrisiko des Brausekopfs reduziert, weil der Kanal sowohl mit Luft als auch mit Wasser durchströmt werden kann.The shower head is in particular a shower head for a shower and / or bath. The shower head has a shower housing with at least one flow channel, wherein usually a plurality of flow channels is provided. The shower enclosure is in particular at least partially made of plastic and / or metal. The shower enclosure is fed via a supply line water from a water source. The water may in particular be a mixed water which has been mixed by means of a thermostat of a cold water and hot water. The water can be conducted through the shower housing via at least one flow channel to at least one outlet of the shower head. At least one flow channel of the shower head (in particular a plurality of the plurality of flow channels) has a nozzle through which a negative pressure can be generated when flowing through the at least one flow channel with water. A nozzle is to be understood here in particular as a region of the at least one flow channel, in which a cross section and / or area of the at least one flow channel tapers in the flow direction of the water. As a result, a flow velocity of the water increases in the region of the nozzle, as a result of which an underpressure can be generated adjacent. In the region of the nozzle or the negative pressure, a (lateral) channel (eg in the manner of a branch channel) opens into the at least one flow channel, which connects the at least one flow channel with an environment or an air reservoir. Thus, air can be drawn in from the environment into the at least one flow channel via the negative pressure generated in the region of the nozzle via the channel be miscible in the at least one flow channel with the water. In addition, the at least one flow channel can be closed, so that the same time water is discharged via the channel into the environment. In other words, this means that the water is diverted into the channel by closing the at least one flow channel. Thus, the channel is on the one hand flows through from the outside to the inside with air when the at least one flow channel is open, and on the other hand flows through from the inside to the outside with water when the at least one flow channel is closed. As a result, in particular a risk of calcification of the shower head is reduced because the channel can be flowed through both air and water.

Zudem ist es vorteilhaft, wenn der zumindest eine Strömungskanal stromabwärts zu dem Kanal verschließbar ist. Hierdurch steigt der Druck in dem zumindest einen Strömungskanal und insbesondere der Druck im Bereich der Düse an, sodass das Wasser durch den Kanal abfließt.Moreover, it is advantageous if the at least one flow channel can be closed downstream of the channel. As a result, the pressure in the at least one flow channel and in particular the pressure in the region of the nozzle increases, so that the water flows out through the channel.

Darüber hinaus ist es vorteilhaft, wenn in dem zumindest einen Strömungskanal ein Ventil angeordnet ist. Das Ventil ist durch einen Benutzer des Brausekopfs insbesondere mittels eines Schaltelements des Brausekopfs betätigbar, wobei es sich bei dem Schaltelement beispielsweise um einen Griffkörper handeln kann, der um eine Drehachse drehbar ist.Moreover, it is advantageous if a valve is arranged in the at least one flow channel. The valve can be actuated by a user of the shower head, in particular by means of a switching element of the shower head, wherein it may be, for example, a handle body which is rotatable about an axis of rotation in the switching element.

Darüber hinaus ist es vorteilhaft, wenn es sich bei der Düse um eine Venturidüse handelt. Bei einer solchen Venturidüse verjüngt sich der Querschnitt und/oder der Flächeninhalt des zumindest einen Strömungskanals zunächst in Strömungsrichtung und weitet sich nach Erreichen eines minimalen Querschnitts in Strömungsrichtung wieder auf. Im Bereich des minimalen Querschnitts mündet insbesondere der Kanal in den zumindest einen Strömungskanal.Moreover, it is advantageous if the nozzle is a Venturi nozzle. In such a Venturi nozzle, the cross-section and / or the surface area of the at least one flow channel initially tapers in the flow direction and expands again after reaching a minimum cross-section in the flow direction. In the region of the minimum cross section, in particular, the channel opens into the at least one flow channel.

Ebenfalls vorteilhaft ist es, wenn in dem Brausegehäuse ein Verteiler angeordnet ist, über den das Wasser eine Mehrzahl von Strömungskanälen zuführbar ist.It is also advantageous if in the shower housing, a distributor is arranged, via which the water is a plurality of flow channels can be fed.

Die Erfindung sowie das technische Umfeld werden nachfolgend anhand der Figuren näher erläutert. Es ist darauf hinzuweisen, dass die Figuren besonders bevorzugte Ausführungsvarianten der Erfindung zeigt, diese jedoch nicht darauf beschränkt ist. Dabei sind gleiche Bauteile in denThe invention and the technical environment will be explained in more detail with reference to FIGS. It should be noted that the figures show particularly preferred embodiments of the invention, but this is not limited thereto. Here are the same components in the

Figuren mit denselben Bezugszeichen versehen. Es zeigen schematisch:

Fig. 1:
eine Teilansicht eines Brausekopfs in einem Längsschnitt mit einer ersten Ausführungsvariante eines Strahlbildners;
Fig. 2:
eine Teilansicht einer zweiten Ausführungsvariante eines Strahlbildners in einer ersten Strahlstellung; und
Fig. 3:
eine Teilansicht der zweiten Ausführungsvariante des Strahlbildners in einer zweiten Strahlstellung.
Figures provided with the same reference numerals. They show schematically:
Fig. 1:
a partial view of a shower head in a longitudinal section with a first embodiment of a jet former;
Fig. 2:
a partial view of a second embodiment of a jet former in a first beam position; and
3:
a partial view of the second embodiment of the jet former in a second beam position.

Die Fig. 1 zeigt eine Teilansicht eines Brausekopfs 1 mit einem Brausegehäuse 2 in einer Schnittdarstellung. Der grundsätzliche Aufbau des Brausekopfs 1 wird in der Spalte 2, Zeile 61 bis Spalte 5, Zeile 19 der DE 4113 289 A1 beschrieben. Die vorgenannte Textpassage der DE 41 13 289 A1 wird hiermit in Bezug genommen.The Fig. 1 shows a partial view of a shower head 1 with a shower housing 2 in a sectional view. The basic structure of the shower head 1 is in column 2, line 61 to column 5, line 19 of DE 4113 289 A1 described. The aforementioned text passage of DE 41 13 289 A1 is hereby incorporated by reference.

Der Brausekopf 1 weist einen Strahlbildner 15 mit einem Einsatzkörper 16, einer Gehäuseglocke 17, einem Verteiler 7, einem Zentralkörper 18 und einer Strahlaustrittsplatte 19 auf. Der Einsatzkörper 16 ist fest mit dem Brausegehäuse 2 verbunden und hat im Wesentlichen die Aufgabe, zuströmendes Wasser durch eine Öffnung 20 einem nachfolgenden Kanalsystem des Brausekopfs 1 bzw. des Strahlbildners 15 zuzuführen. Die Gehäuseglocke 17 und die Strahlaustrittsplatte 19 sind drehfest miteinander verbunden, sodass eine Drehung der Strahlaustrittsplatte 19 (z. B. über einen Griffkörper 13) durch einen Benutzer des Brausekopfs 1 um eine Drehachse 14 die Gehäuseglocke 17 entsprechend mit dreht. Durch die Verdrehung der Gehäuseglocke 17 kann die Öffnung 20 des Einsatzkörpers 16 z. B. mehreren Wassereintrittsöffnungen 21 jeweils zugeordnet werden, wodurch jeweils ein zugeordnetes bzw. anderes Kanalsystem des Strahlbildners 15 zur Ausbildung unterschiedlicher Brausestrahlen, wie zum Beispiel "Nadelstrahlen", "Softstrahlen" oder "Pulsationsstrahlen", aktivierbar ist. Der Verteiler 7 und der Zentralkörper 18 sind zwischen der Strahlaustrittsplatte 19 und der Gehäuseglocke 17 angeordnet und mit der Strahlaustrittsplatte 19 um die Drehachse 14 verdrehbar, wobei diese beiden Bauteile relativ zueinander keine Drehungen ausführen können.The shower head 1 has a jet former 15 with an insert body 16, a housing bell 17, a distributor 7, a central body 18 and a jet exit plate 19. The insert body 16 is fixedly connected to the shower housing 2 and has essentially the task to supply incoming water through an opening 20 to a subsequent channel system of the shower head 1 and the jet former 15. The bell housing 17 and the jet outlet plate 19 are connected to each other in a rotationally fixed manner, so that rotation of the jet outlet plate 19 (eg via a handle body 13) by a user of the shower head 1 about a rotation axis 14 rotates the bell housing 17 accordingly. Due to the rotation of the bell housing 17, the opening 20 of the insert body 16 z. B. a plurality of water inlet openings 21 each can be assigned, whereby in each case an associated or other channel system of the jet former 15 for forming different effervescent jets, such as "needle jets", "soft jets" or "Pulsationsstrahlen", can be activated. The distributor 7 and the central body 18 are arranged between the jet outlet plate 19 and the bell housing 17 and with the jet outlet plate 19 about the rotation axis 14 rotatable, these two components can perform relative to each other no rotation.

In der hier gezeigten Stellung der Strahlaustrittsplatte 19 ist z. B. ein Kanalsystem zur Erzeugung von "Softstrahlen" in dem Strahlbildner 15 aktiviert, das einen ersten Strömungskanal 3 mit einer ersten Düse 4 und einen zweiten Strömungskanal 8 mit einer zweiten Düse 9 aufweist. Durch die erste Düse 4 ist in dem ersten Strömungskanal 3 und durch die zweite Düse 9 ist in dem zweiten Strömungskanal 8 im Betrieb des Brausekopfs 1 ein Unterdruck erzeugbar, sodass über einen ersten Kanal 5 Luft aus einer Umgebung 11 in den ersten Strömungskanal 3 und über einen zweiten Kanal 12 Luft aus der Umgebung 11 in den zweiten Strömungskanal 8 ansaugbar ist. Der erste Kanal 5 bzw. der zweite Kanal 12 bildet dabei einen Luftdurchlass zwischen einem, im Inneren des Strahlbildners 15 liegenden Abschnitts des ersten Strömungskanals 3 bzw. zweiten Strömungskanals 8 hin zu einer Wasseraustrittsöffnung 22 der Strahlaustrittsplatte 19, welche zu diesen Strömungskanälen benachbart angeordnet sind. Diese Wasseraustrittsöffnung wird bei der Ausbildung des gewünschten Strahlbildes nämlich aktuell nicht mit Wasser geflutet. Diese Wasseraustrittsöffnungen 22 dienen dann (für diese Einstellung des Strahlbildners) als Luftansaugöffnung zur Einleitung von Luft in den Strahlbildner 15 hinein. Dieses Detail ist mit entsprechenden Pfeilen zur Veranschaulichung des Wasserstroms und Luftstroms in Fig. 1 nochmals vergrößert abgebildet.In the position shown here, the jet exit plate 19 z. B. a channel system for generating "soft jets" in the jet former 15 is activated, which has a first flow channel 3 with a first nozzle 4 and a second flow channel 8 with a second nozzle 9. Through the first nozzle 4 is in the first flow channel 3 and through the second nozzle 9 is in the second flow channel 8 during operation of the shower head 1, a negative pressure generated, so via a first channel 5 air from an environment 11 in the first flow channel 3 and a second channel 12 air from the environment 11 in the second flow channel 8 is sucked. The first channel 5 and the second channel 12 forms an air passage between a lying in the interior of the jet former 15 section of the first flow channel 3 and second flow channel 8 toward a water outlet opening 22 of the jet outlet plate 19, which are arranged adjacent to these flow channels. This water outlet is currently not flooded with water in the formation of the desired spray pattern. These water outlet openings 22 then serve (for this adjustment of the jet former) as an air intake opening for the introduction of air into the jet former 15. This detail is illustrated with appropriate arrows to illustrate the flow of water and airflow in Fig. 1 shown enlarged again.

Bei einer Aktivierung eines anderen Kanalsystems des Strahlbildners 15, beispielsweise zur Erzeugung von "Nadelstrahlen", durch teilweise Drehung der Strahlaustrittsplatte 19 um die Drehachse 14 herum ist der erste Strömungskanal 3 durch ein hier schematisch dargestelltes erstes Ventil 6 und der zweite Strömungskanal 8 durch ein ebenfalls schematisch dargestelltes zweites Ventil 10 verschließbar, sodass das durch den ersten Strömungskanal 3 und den zweiten Strömungskanal 8 fließende Wasser durch den ersten Kanal 5 und den zweiten Kanal 12 ableitbar ist, wenn das erste Ventil 6 und das zweite Ventil 10 geschlossen sind. Diese Wasseraustrittsöffnungen 22 dienen dann nicht mehr als Luftansaugöffnung zur Einleitung von Luft in den Strahlbildner 15 hinein, sondern zum Ausbilden von Wasserstrahlen mit der gewünschten Eigenschaft in der äußeren Umgebung.Upon activation of another channel system of the jet former 15, for example for generating "needle jets", by partially rotating the jet exit plate 19 about the axis of rotation 14, the first flow channel 3 is through a first valve 6 shown schematically here and the second flow channel 8 through a likewise schematically illustrated second valve 10 closable, so that the flowing through the first flow channel 3 and the second flow channel 8 water through the first channel 5 and the second channel 12 is discharged, when the first valve 6 and the second valve 10 are closed. These water outlet openings 22 then serve no longer as an air intake opening for the introduction of air into the jet former 15, but for the formation of water jets having the desired property in the external environment.

Die Fig. 2 und 3 zeigen eine Schnittdarstellung einer Ausführungsvariante des Strahlbildners 15 des Brausekopfs 1. Zu erkennen ist hier insbesondere ein Dichtschuh 23 eines Verteilers 7, der Verteiler 7 und die Strahlaustrittsplatte 19 des Strahlbildners 15. Der Verteiler 7 und die Strahlaustrittsplatte 19 sind um eine Drehachse 14 relativ zu dem Dichtschuh 23 des Verteilers 7 verdrehbar. Der Strahlbildner 15 ist zudem zur Drehachse 14 symmetrisch ausgebildet. In der Fig. 2 wird ein erster Betriebsmodus, beziehungsweise eine erste Strahlstellung des Strahlbildners 15 gezeigt, bei der ein Kanalsystem z. B. zur Erzeugung von "Softstrahlen" aktiviert ist. Hierbei strömt Wasser von einer Wassereintrittsöffnung 21 des Dichtschuhs 23 des Verteilers 7 durch einen ersten Strömungskanal 3 zu einer Wasseraustrittsöffnung 22 der Strahlaustrittsplatte 19. Aufgrund des Durchströmens des ersten Strömungskanals 3 mit Wasser wird in einer ersten Düse 4 des ersten Strömungskanals 3 ein Unterdruck erzeugt, sodass über einen ersten Kanal 5 Luft aus einer Umgebung 11 (hier über eine bzw. mehrere benachbart angeordnete Wasseraustrittsöffnungen 22 der Strahlaustrittsplatte 19) ansaugbar ist. Bei dem ersten Kanal 5 handelt es sich somit bei dem hier gezeigten Betriebsmodus des Strahlbildners 15 um einen Luftansaugkanal. Das Wasser wird in dem ersten Strömungskanal 3 mit der Luft durchmischt, sodass "Softstrahlen" entstehen.The FIGS. 2 and 3 In particular, a sealing shoe 23 of a distributor 7, the distributor 7 and the jet outlet plate 19 of the jet former 15 can be seen. The distributor 7 and the jet outlet plate 19 are arranged about an axis of rotation 14 relative to the latter Seal 23 of the distributor 7 rotatable. The jet former 15 is also formed symmetrically to the axis of rotation 14. In the Fig. 2 a first operating mode, or a first beam position of the beam former 15 is shown in which a channel system z. B. is activated to generate "soft rays". In this case, water flows from a water inlet opening 21 of the sealing shoe 23 of the distributor 7 through a first flow channel 3 to a water outlet opening 22 of the jet outlet plate 19. Due to the flow of the first flow channel 3 with water, a negative pressure is generated in a first nozzle 4 of the first flow channel 3, so Air can be sucked in from an environment 11 (here via one or more adjacently arranged water outlet openings 22 of the jet outlet plate 19) via a first channel 5. Thus, in the operating mode of the jet former 15 shown here, the first channel 5 is an air intake channel. The water is mixed in the first flow channel 3 with the air, so that "soft rays" arise.

In der Fig. 3 wird ein zweiter Betriebsmodus beziehungsweise eine zweite Strahlstellung des Strahlbildners 15 gezeigt, bei der ein Kanalsystem z. B. zur Erzeugung von "Nadelstrahlen" aktiviert ist. Bei diesem zweiten Betriebsmodus ist der Verteiler 7 gegenüber dem Dichtschuh 23 des Verteilers 7 verdreht, sodass der erste Strömungskanal 3 geschlossen ist. Der Dichtschuh 23 des Verteilers 7 stellt daher bei der hier gezeigten Ausführungsvariante ein erstes Ventil 6 dar. Das Wasser strömt nun von einer anderen Wassereintrittsöffnung 21 in den ersten Strömungskanal 3 und aus der Wasseraustrittsöffnung 22 sowie aus dem ersten Kanal 5 in die Umgebung 11. In dem zweiten Betriebsmodus entsteht in dem ersten Strömungskanal 3 nicht wie in dem in der Fig. 2 gezeigten ersten Betriebsmodus ein Unterdruck, sondern durch das Schließen des ersten Ventils 6 ein Überdruck. Daher wird in dem zweiten Betriebsmodus keine Luft durch den ersten Kanal 5 aus der Umgebung 11 angesaugt. Es werden daher keine "Softstrahlen" sondern "Nadelstrahlen" gebildet.In the Fig. 3 a second operating mode or a second beam position of the jet former 15 is shown in which a channel system z. B. is activated to generate "needle beams". In this second operating mode, the distributor 7 is rotated relative to the sealing shoe 23 of the distributor 7, so that the first flow channel 3 is closed. The sealing shoe 23 Therefore, the water flows from another water inlet opening 21 in the first flow channel 3 and from the water outlet opening 22 and from the first channel 5 in the environment 11. In the second mode of operation does not arise in the first flow channel 3 as in the in the Fig. 2 shown first operating mode, a negative pressure, but by closing the first valve 6, an overpressure. Therefore, in the second mode of operation, no air is sucked through the first channel 5 from the environment 11. Therefore, no "soft jets" but "needle jets" are formed.

Der Strahlbildner 15 weist ebenfalls einen in den Fig. 2 und 3 nicht gezeigten zweiten Strömungskanal 8 mit einer zweiten Düse 9 und einem zweiten Ventil 10 auf. Durch die Symmetrie des Strahlbildners 15 sind der zweite Strömungskanal 8, die zweite Düse 9 und das zweite Ventil 10 jedoch identisch zu dem ersten Strömungskanal 3, der ersten Düse 4 und dem ersten Kanal 5 ausgebildet. Auch die Funktionsweise entspricht der des ersten Strömungskanals 3, der ersten Düse 4 und des ersten Kanals 5.The jet former 15 also has one in the FIGS. 2 and 3 not shown second flow channel 8 with a second nozzle 9 and a second valve 10. Due to the symmetry of the jet former 15, however, the second flow channel 8, the second nozzle 9 and the second valve 10 are identical to the first flow channel 3, the first nozzle 4 and the first channel 5. The mode of operation also corresponds to that of the first flow channel 3, the first nozzle 4 and the first channel 5.

Die vorliegende Erfindung zeichnet sich insbesondere dadurch aus, dass mit dieser besonders leicht ein Brausestrahl mit Luft versetzbar ist und zudem ein Verkalken des Brausekopfs vermeidbar ist. Zu diesem Zweck ist der Strahlbildner so gestaltet, dass dieser in vorgegebenen Betriebszuständen aus einer bestimmten Anzahl von Wasseraustrittsöffnungen der Strahlaustrittsplatte Wasser abgibt oder (selbständig) Luft ansaugt.The present invention is characterized in particular by the fact that it is particularly easy to displace an effervescent jet with air and, in addition, calcification of the effervescent head can be avoided. For this purpose, the jet former is designed so that it emits water in predetermined operating conditions from a certain number of water outlet openings of the jet outlet plate or (independently) sucks in air.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Brausekopfshower head
22
Brausegehäuseshower enclosure
33
erster Strömungskanalfirst flow channel
44
erste Düsefirst nozzle
55
erster Kanalfirst channel
66
erstes Ventilfirst valve
77
Verteilerdistributor
88th
zweiter Strömungskanalsecond flow channel
99
zweite Düsesecond nozzle
1010
zweites Ventilsecond valve
1111
UmgebungSurroundings
1212
zweiter Kanalsecond channel
1313
Griffkörperhandle
1414
Drehachseaxis of rotation
1515
Strahlbildnerbeamformer
1616
Einsatzkörperinsert body
1717
Gehäuseglockehousing bell
1818
Zentralkörpercentral body
1919
StrahlaustrittsplatteBeam exit plate
2020
Öffnungopening
2121
WassereintrittsöffnungWater inlet opening
2222
WasseraustrittsöffnungWater outlet
2323
Dichtschuhsealing shoe

Claims (5)

Brausekopf (1), aufweisend ein Brausegehäuse (2) mit zumindest einem Strömungskanal (3, 8), wobei der zumindest eine Strömungskanal (3, 8) eine Düse (4) aufweist, durch die beim Durchströmen des zumindest einen Strömungskanals (3, 8) mit Wasser ein Unterdruck erzeugbar ist, sodass über einen Kanal (5) Luft in den zumindest einen Strömungskanal (3, 8) ansaugbar ist, und wobei der zumindest eine Strömungskanal (3, 8) verschließbar ist, sodass das Wasser aus dem Kanal (5) ableitbar ist.Shower head (1), comprising a shower housing (2) with at least one flow channel (3, 8), wherein the at least one flow channel (3, 8) has a nozzle (4) through which flows through the at least one flow channel (3, 8 ) with water, a negative pressure can be generated, so that via a channel (5) air in the at least one flow channel (3, 8) is sucked, and wherein the at least one flow channel (3, 8) is closable, so that the water from the channel ( 5) is derivable. Brausekopf (1) nach Patentanspruch 1, wobei der zumindest eine Strömungskanal (3, 8) stromabwärts zu dem Kanal (5) verschließbar ist.Shower head (1) according to claim 1, wherein the at least one flow channel (3, 8) downstream of the channel (5) is closable. Brausekopf (1) nach einem der vorhergehenden Patentansprüche, wobei in dem zumindest einen Strömungskanal (3, 8) ein Ventil (6) angeordnet ist.Shower head (1) according to one of the preceding claims, wherein in the at least one flow channel (3, 8), a valve (6) is arranged. Brausekopf (1) nach einem der vorhergehenden Patentansprüche, wobei es sich bei der Düse (4) um eine Venturidüse handelt.Shower head (1) according to one of the preceding claims, wherein the nozzle (4) is a Venturi nozzle. Brausekopf (1) nach einem der vorhergehenden Patentansprüche, wobei in dem Brausegehäuse (2) ein Verteiler (7) angeordnet ist, über den das Wasser einer Mehrzahl von Strömungskanälen (3, 8) zuführbar ist.Shower head (1) according to one of the preceding claims, wherein in the shower housing (2) a distributor (7) is arranged, via which the water of a plurality of flow channels (3, 8) can be fed.
EP16000522.9A 2015-03-06 2016-03-04 Sprinkler with nozzle for air admixture Active EP3064278B1 (en)

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PL16000522T PL3064278T4 (en) 2015-03-06 2016-03-04 Sprinkler with nozzle for air admixture
SI201630570T SI3064278T1 (en) 2015-03-06 2016-03-04 Sprinkler with nozzle for air admixture

Applications Claiming Priority (1)

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DE102015002780.8A DE102015002780A1 (en) 2015-03-06 2015-03-06 Shower with nozzle for adding air

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CN (1) CN105935633B (en)
DE (1) DE102015002780A1 (en)
DK (1) DK3064278T3 (en)
ES (1) ES2763377T3 (en)
HU (1) HUE047770T2 (en)
PL (1) PL3064278T4 (en)
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4113289A1 (en) 1990-05-19 1991-11-21 Christophery Gmbh Spray head for shower bath - has rotatable adjuster ring to vary form of spray
DE102004059328A1 (en) * 2004-12-01 2006-06-08 Hansgrohe Ag Shower head for a sanitary shower
EP2578319A1 (en) * 2011-10-06 2013-04-10 Grohe AG Sprinkler head
US20140306033A1 (en) * 2013-04-15 2014-10-16 Yaoting QI Shower head

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2462752A (en) * 1945-01-10 1949-02-22 Elizabeth Barrett Tipton Shower head
IT8605219A0 (en) * 1986-09-30 1986-09-30 Chiari & Guerini Snc SHOWER HEAD FOR THE SELECTIVE DELIVERY OF DIFFERENT JETS OF WATER.
DE3643320A1 (en) * 1986-12-18 1988-07-07 Dornbracht Fa A Outlet fitting for washbasins etc.
GB2222521B (en) * 1988-09-13 1993-02-24 Anthony John Martin Garrett Shower appliances
CN201978834U (en) * 2011-01-07 2011-09-21 谢美宝 Air injection type shower head
CN202045034U (en) * 2011-04-22 2011-11-23 厦门洁朗卫浴有限公司 Improved water outlet structure of shower
DE102012212300A1 (en) * 2012-07-13 2014-01-16 Hansgrohe Se shower

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4113289A1 (en) 1990-05-19 1991-11-21 Christophery Gmbh Spray head for shower bath - has rotatable adjuster ring to vary form of spray
DE102004059328A1 (en) * 2004-12-01 2006-06-08 Hansgrohe Ag Shower head for a sanitary shower
EP2578319A1 (en) * 2011-10-06 2013-04-10 Grohe AG Sprinkler head
US20140306033A1 (en) * 2013-04-15 2014-10-16 Yaoting QI Shower head

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PL3064278T3 (en) 2020-06-15
SI3064278T1 (en) 2020-03-31
HUE047770T2 (en) 2020-05-28
PL3064278T4 (en) 2020-06-15
CN105935633B (en) 2019-09-17
EP3064278B1 (en) 2019-09-25
DK3064278T3 (en) 2020-01-13
PT3064278T (en) 2020-01-10
DE102015002780A1 (en) 2016-09-22
CN105935633A (en) 2016-09-14
ES2763377T3 (en) 2020-05-28

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