EP0433874B1 - Whirlpool or swimmingpool fluid introduction device - Google Patents

Whirlpool or swimmingpool fluid introduction device Download PDF

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Publication number
EP0433874B1
EP0433874B1 EP90124013A EP90124013A EP0433874B1 EP 0433874 B1 EP0433874 B1 EP 0433874B1 EP 90124013 A EP90124013 A EP 90124013A EP 90124013 A EP90124013 A EP 90124013A EP 0433874 B1 EP0433874 B1 EP 0433874B1
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EP
European Patent Office
Prior art keywords
whirlpool
swimmingpool
introduction device
fluid introduction
container
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP90124013A
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German (de)
French (fr)
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EP0433874A1 (en
Inventor
Martin T. Schydlo
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2311—Mounting the bubbling devices or the diffusers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2311—Mounting the bubbling devices or the diffusers
    • B01F23/23114—Mounting the bubbling devices or the diffusers characterised by the way in which the different elements of the bubbling installation are mounted
    • B01F23/231143—Mounting the bubbling elements or diffusors, e.g. on conduits, using connecting elements; Connections therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2312—Diffusers
    • B01F23/23123—Diffusers consisting of rigid porous or perforated material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2312—Diffusers
    • B01F23/23126—Diffusers characterised by the shape of the diffuser element
    • B01F23/231261—Diffusers characterised by the shape of the diffuser element having a box- or block-shape, being in the form of aeration stones

Definitions

  • the invention relates to a whirlpool or swimming pool inflow device for generating fluid jets in a liquid contained in a container, in particular water and / or air or water-air mixture jets, which is designed as a hollow strip that runs along its length has a plurality of outflow openings for the fluid, which in operation is arranged in the area and parallel to the inner wall of the container and which is connected to a pump arranged outside the container via a connecting piece projecting through the container wall.
  • the nozzle is inserted from the inside of the container and clamped onto the container from the outside, the bore in the liquid container receiving the nozzle having to be sealed.
  • a T-piece is mounted on the nozzle, one leg of which leads into the nozzle and is integrated into a pipeline running around the container.
  • DE-A-21 14 534 discloses a bubbling grate which can be used in bathtubs for the finely divided introduction of gases into the bathing liquid.
  • the bubbling grate has grate bars made of resilient, flexible material, such as plastic, which have cavities which serve as a gas distribution system, the associated gas outlet holes being arranged on the top of the grate. Nothing is said about the type of connection to the gas source (pump).
  • US-A-4 213 210 describes a bathtub which has an air inlet duct, over which a mat made of vinyl or polypropylene is laid, which is locked in place by means of fastenings in the tub floor. However, this mat only covers the floor area.
  • EP-A-0 209 646, DE-A-36 07 788 or DE-U-86 06 463 describe the provision of the spray nozzles directly in the original water basin wall or in the insert basin wall (in the case of existing old basins).
  • the supply channels for these individual nozzles are only arranged on the outer wall of the basin or the replacement basin.
  • US-A-3 556 089 relates to a device with interlocking hollow profiles which have respective nozzle openings and which are fed via a hose connection which is to be placed over the tub rim.
  • the system has suction means on the hollow profile that are used to attach it to the tray floor.
  • US-A-4 101 998 relates to an inflow device consisting of two plastic parts and covering the entire bottom of a tub, which is to be connected in a liquid-tight manner to an inflow opening in the whirlpool floor. None is said about the nature of this connection.
  • the inflow device described in claim 1 in which, according to the invention, the hollow strip is releasably connected to the connecting piece via a snap, clamp or plug connection.
  • the rigid nozzle or the sparkling grate known to date in the prior art is accordingly replaced by a hollow strip with a plurality of outflow openings which can be placed or aligned as required in the liquid container, in particular a whirlpool tub.
  • the detachable connection to the connecting piece in the area of the opening also enables the hollow strip to be removed, for example for the purpose of cleaning and / or disinfection.
  • the connecting piece protruding from the opening in the wall of the container can be designed as a 90 ° angled tube, as a T-piece or as a cross piece with an attachment piece.
  • one or more hollow strips can thus be attached.
  • the hollow strip is preferably flexible and / or elongate-oval in cross-section with a flat bottom surface, but is flat, so that it constitutes a rib on the container bottom or on the inside of the container which does not interfere with use.
  • the essentially flat bottom surface is equipped with suction knobs or flexible adhesive seams, by means of which it can be detachably fixed to the inside of the container, in particular the bottom of the container.
  • the outflow openings are according to a development of the invention on the top of the ledge, preferably they are arranged there centrally and / or equidistantly in order to achieve the most uniform possible pressurization by air and / or water.
  • guide vanes are preferably provided behind the outflow openings on the hollow strip inner jacket and projecting into the interior.
  • the hollow strip consists of a plurality of sections which are detachably attached to one another via plug connections, so that their length can be varied.
  • connection piece and the connection point with the hollow strip is covered by a cap.
  • This cap also protects the connection point against unintentional loosening of the hollow strip from the connecting piece.
  • the cap is preferably pulled down on the sides up to the inner jacket of the container or it lies there. As a result of this measure, the cap can be designed as a harmonious end to the hollow strip.
  • the cap also has one or more outflow openings, preferably in the vicinity of the inner container shell. Installation is simplified if the cap is connected from the outset to the extension piece projecting through the opening or is formed in one piece with it. For manufacturing and cost reasons, the angled tube protruding through the opening, the cap and / or the hollow strip made of plastic, sealing problems being largely avoided if the plastics are chosen accordingly.
  • the parts mentioned can be manufactured inexpensively by injection molding.
  • connection between two hollow strips and / or between the hollow strip and the connection end can be designed, for example, as a simple plug connection, preferably by attaching an additional circumferential bead and a corresponding groove, as a releasable snap connection.
  • the connecting piece protruding through the opening is fastened to the container by means of a threaded connection with a nut, which is preferably also made of plastic.
  • the connecting piece protruding through the opening is equipped with a non-return valve, preferably such a valve can be regulated in order to be able to select the flow and thus the pressure present in the hollow strip.
  • the hollow strip 10 shown has outlet openings 11 lined up in the center on its upper side and lies on the tub floor 12.
  • the hollow strip is flat in cross section and has a substantially flat bottom and an arched top, in the middle of which the outflow openings 11 are located.
  • To fix the hollow strip 10 on the tub floor 12a it has an adhesive seam made of flexible, elastic material under its bottom, which is placed on the tub floor 12a. If a vacuum is created in the volume enclosed by the adhesive seam above the base of the tub, the hollow strip adheres to the inside of the tub.
  • suction pads or the like can also be used.
  • connection end 13b projecting into the tub is releasably connected to the hollow strip 10.
  • this connection can be produced by pushing the hollow strip end over the connecting piece 13 or an annular recess 21 there.
  • the connection can also be designed as a snap connection, for example in such a way that the connection end 13b, as shown in FIG. 1, has an annular bead 20 which snaps into a corresponding groove in the hollow strip.
  • the T-piece 13 is covered by a cap 18, which extends outside the connection area of the connection end 13b with the hollow strip 10 to the tub base 12a and lies there.
  • the cap 18 is shaped so that it forms a termination of the flat profile strip.
  • the cap additionally has one or more outflow openings 19.
  • connection ends 13b The assembly of the arrangement shown in FIG. 2 or the removal of the hollow strip are easy to carry out.
  • the T-piece 13 made of hard PVC is used together with the cap 18 so that the connecting piece 13c on the Tub floor outside can be attached by means of the nut 14.
  • the hollow strip 10 is connected at each end to connection ends 13b, from where it can be easily removed again.
  • the inventive concept also includes embodiments in which the hollow strip has an opening which can be plugged into the connection end 13b on only one side, but the other end is closed .
  • the cap 18 on its open side with a sleeve adapted to the similar cross sections of the connection end 13b and the hollow strip 10, into which the connection end 13b and the cross strip 10 are inserted.
  • the main advantage of the present invention is that the flexible hollow strip (with one-sided connection) is placed along the desired line in the whirlpool tub and thus the outflow openings 11 can be aligned as desired. To remove the hollow strip - for cleaning purposes, for example - only the connection to the connection end 13b has to be released.
  • the nozzle arrangement according to the invention can be used in any tub-like or basin-like bodies, for example also in aquariums, fish ponds, swimming pools or the like.

Abstract

The invention relates to an introduction device for liquid containers, having nozzles serving to produce water mixing jets and/or air mixing jets or water/air mixing jets which are applied at a plurality of points on the inside (12a) of the container and in each case are connected via an opening in the container to a pump arranged on the outside of the container (12). <??>In particular in order to be able to vary the location of the nozzle, a flexible hollow strip (10) which is provided with a plurality of outflow orifices (11) is detachably clamped to the pipe ends (13b) projecting out of each container opening into the inside of the container or is attached by means of a snap-in connection. <IMAGE>

Description

Die Erfindung betrifft eine Whirlpool- oder Swimmingpool-Einströmvorrichtung zur Erzeugung von Fluidstrahlen in einer in einem Behälter befindlichen Flüssigkeit, insbesondere von Wasser- und/oder Luft- oder Wasser-Luft-Gemisch-Strahlen, die als Hohlleiste ausgebildet ist, die entlang ihrer Länge eine Vielzahl von Ausströmöffnungen für das Fluid aufweist, die im Betrieb im Bereich und parallel zur Innenwand des Behälters angeordnet ist und die über einen die Behälterwand durchragenden Anschlußstutzen mit einer außerhalb des Behälters angeordneten Pumpe verbunden ist.The invention relates to a whirlpool or swimming pool inflow device for generating fluid jets in a liquid contained in a container, in particular water and / or air or water-air mixture jets, which is designed as a hollow strip that runs along its length has a plurality of outflow openings for the fluid, which in operation is arranged in the area and parallel to the inner wall of the container and which is connected to a pump arranged outside the container via a connecting piece projecting through the container wall.

Nach dem Stand der Technik wird bei solchen Flüssigkeitsbehältern Luft oder Wasser oder ein Luft-Wasser-Gemisch über ein umfangreiches Leitungssystem mit einem erheblichen Raumbedarf zugeführt. Bei zu einer Einheit zusammengebauten Luft- und Wasserdüsen müssen eingangsseitig der Düsen Anschlußstücke für Luft und für Wasser vorgesehen werden, an die dann die Rohrleitungen oder Schläuche angeschlossen werden, wobei die Anschlußstellen abzudichten sind. Sind die Anschlußstellen der Düsen nach dem Einbau des Flüssigkeitsbehälters nicht mehr zugängig, so muß dieser ausgebaut werden, um die Undichtigkeit zu beheben.According to the prior art, air or water or an air-water mixture is supplied in such liquid containers via an extensive piping system with a considerable space requirement. In the case of air and water nozzles assembled into a unit, connecting pieces for air and for water must be provided on the inlet side of the nozzles, to which the pipelines or hoses are then connected, the connection points being sealed. If the connection points of the nozzles are no longer accessible after installing the liquid container, this must be removed in order to remedy the leak.

Beispielsweise wird bei einem nach dem Stand der Technik bekannten Flüssigkeitsbehälter die Düse von der Behälterinnenseite her eingesetzt und von der Außenseite her an den Behälter festgespannt, wobei die Düsen aufnehmende Bohrung in dem Flüssigkeitsbehälter abgedichtet sein muß. An der Behälteraußenseite ist an der Düse ein T-Stück montiert, dessen einer Schenkel in die Düse führt und das an eine den Behälter umlaufende Rohrleitung integriert ist. Wie bereits angedeutet, fordert eine derartige Leitungsführung und Düseninstallation einen erheblichen Aufwand an Montagezeit, ferner nicht unerhebliche Kosten für eine Vielzahl von notwendigen Montagekleinteilen. Jede der einzelnen Dichtstellen birgt die Gefahr einer Undichtigkeit in sich, die durch wechselnde Temperaturen bzw. mechanische Behälterbelastungen noch gesteigert wird. Aufgrund des benötigten Platzes für die Leitungszu- und abführungen können auch nur solche Leitungen verwendet werden, die einen relativ kleinen Querschnitt haben, wodurch hohe Strömungsverluste in den Rohren verbunden mit einer hohen Geräuschbildung entstehen. Zudem kühlt in solchen Leitungen gefördertes warmes Wasser erheblich mehr ab, als dies in Leitungen mit größerem Querschnitt der Fall wäre.For example, in a liquid container known from the prior art, the nozzle is inserted from the inside of the container and clamped onto the container from the outside, the bore in the liquid container receiving the nozzle having to be sealed. On the outside of the container, a T-piece is mounted on the nozzle, one leg of which leads into the nozzle and is integrated into a pipeline running around the container. As already indicated, such a line routing and nozzle installation requires a considerable amount Effort in assembly time, and not inconsiderable costs for a large number of small assembly parts. Each of the individual sealing points carries the risk of a leak, which is increased by changing temperatures or mechanical container loads. Due to the space required for the line inlets and outlets, only those lines can be used that have a relatively small cross-section, which results in high flow losses in the pipes combined with a high level of noise. In addition, hot water pumped in such pipes cools considerably more than would be the case in pipes with a larger cross-section.

Bei den genannten Einströmvorrichtungen, insbesondere wenn sie in Whirlpoolwannen eingesetzt werden, stellt sich im übrigen das Problem der Hygiene, insbesondere im Bereich der Düsen. Bei Benutzung des Flüssigkeitsbehälters bzw. Whirlpools ist nämlich in der Regel nicht zu verhindern, daß sich Schmutzreste und Bakterien im Leitungssystem sammeln, sich ungestört vermehren könnten und bei erneuter Benutzung des Behälters in das Wasser geraten.In the case of the inflow devices mentioned, in particular if they are used in whirlpool baths, the problem of hygiene also arises, in particular in the area of the nozzles. When using the liquid container or whirlpool, it is usually not possible to prevent dirt and bacteria from collecting in the pipe system, multiplying undisturbed and getting into the water when the container is used again.

Des weiteren ist aus der DE-A-21 14 534 ein in Badewannen einsetzbarer Sprudelrost zum feinverteilten Einführen von Gasen in die Badeflüssigkeit bekannt. Der Sprudelrost besitzt Roststäbe aus nachgiebigem biegsamen Material wie Kunststoff, die als Gasverteilungssystem dienende Hohlräume aufweisen, wobei die damit in Verbindung stehenden Gasaustrittslöcher an der Rostoberseite angeordnet sind. Über die Art des Anschlusses an die Gasquelle (Pumpe) wird nichts weiter ausgeführt.Furthermore, DE-A-21 14 534 discloses a bubbling grate which can be used in bathtubs for the finely divided introduction of gases into the bathing liquid. The bubbling grate has grate bars made of resilient, flexible material, such as plastic, which have cavities which serve as a gas distribution system, the associated gas outlet holes being arranged on the top of the grate. Nothing is said about the type of connection to the gas source (pump).

Die US-A-4 213 210 beschreibt eine Badewanne, die einen Lufteinlaßkanal besitzt, worüber eine Matte aus Vinyl oder Polypropylen gelegt ist, die mittels Befestigungen im Wannenboden arretiert ist. Diese Matte stellt jedoch lediglich eine Abdeckung der Bodenfläche dar.US-A-4 213 210 describes a bathtub which has an air inlet duct, over which a mat made of vinyl or polypropylene is laid, which is locked in place by means of fastenings in the tub floor. However, this mat only covers the floor area.

Die EP-A-0 209 646, DE-A-36 07 788 oder DE-U-86 06 463 beschreiben, die Sprudeldüsen direkt in der originalen Wasserbeckenwand oder in der Einsatzbeckenwand (bei vorhandenen Altbecken) vorzusehen. Die Versorgungskanäle für diese Einzeldüsen sind ausschließlich an der Außenwand des Beckens bzw. des Ersatzbeckens angeordnet.EP-A-0 209 646, DE-A-36 07 788 or DE-U-86 06 463 describe the provision of the spray nozzles directly in the original water basin wall or in the insert basin wall (in the case of existing old basins). The supply channels for these individual nozzles are only arranged on the outer wall of the basin or the replacement basin.

Die US-A-3 556 089 betrifft eine Vorrichtung mit ineinandersteckbaren Hohlprofilen, die jeweilige Düsenöffnungen aufweisen und die über einen Schlauchanschluß, der über den Wannenrand gelegt werden soll, gespeist werden. Das System verfügt am Hohlprofil über Saugmittel, die zur Befestigung mit dem Wannenboden dienen.US-A-3 556 089 relates to a device with interlocking hollow profiles which have respective nozzle openings and which are fed via a hose connection which is to be placed over the tub rim. The system has suction means on the hollow profile that are used to attach it to the tray floor.

Die US-A-4 101 998 betrifft eine aus zwei Kunststoffteilen bestehende, den ganzen Boden einer Wanne abdeckende Einströmvorrichtung, die flüssigkeitsdicht mit einer Einströmöffnung im Whirlpoolboden verbunden werden soll. Über die Art dieser Verbindung wird nichts ausgeführt.US-A-4 101 998 relates to an inflow device consisting of two plastic parts and covering the entire bottom of a tub, which is to be connected in a liquid-tight manner to an inflow opening in the whirlpool floor. Nothing is said about the nature of this connection.

Es ist Aufgabe der vorliegenden Erfindung, die eingangs genannte Einströmvorrichtung dahingehend zu verbessern, daß die Fertigung und der Einbau der Düsen und der Düsenanschlüsse vereinfacht wird und daß die Düsenanordnung ohne Umbau des Flüssigkeitsbehälters von Benutzung zu Benutzung variiert werden kann. Ferner sollen die Düsen leicht zu reinigen sein.It is an object of the present invention to improve the inlet device mentioned at the outset in such a way that the manufacture and installation of the nozzles and the nozzle connections are simplified and that the nozzle arrangement can be varied from use to use without the liquid container having to be modified. Furthermore, the nozzles should be easy to clean.

Diese Aufgabe wird durch die im Anspruch 1 beschriebene Einströmvorrichtung gelöst, bei der erfindungsgemäß die Hohlleiste über eine Schnapp-, Klemm- oder Steckverbindung mit dem Anschlußstutzen lösbar verbunden ist. Die bisher nach dem Stand der Technik bekannte starre Düse bzw. der Sprudelrost wird demgemäß durch eine Hohlleiste mit mehreren Ausströmöffnungen ersetzt, die bedarfsgerecht in den Flüssigkeitsbehälter, insbesondere eine Whirlpoolwanne, abgelegt bzw. ausgerichtet werden kann. Die lösbare Verbindung zum Anschlußstutzen im Bereich des Durchbruches ermöglicht auch die Herausnahme der Hohlleiste, etwa zum Zweck der Reinigung und/oder Desinfektion.This object is achieved by the inflow device described in claim 1, in which, according to the invention, the hollow strip is releasably connected to the connecting piece via a snap, clamp or plug connection. The rigid nozzle or the sparkling grate known to date in the prior art is accordingly replaced by a hollow strip with a plurality of outflow openings which can be placed or aligned as required in the liquid container, in particular a whirlpool tub. The detachable connection to the connecting piece in the area of the opening also enables the hollow strip to be removed, for example for the purpose of cleaning and / or disinfection.

Weiterbildungen der Erfindung sind in den Unteransprüchen 2 bis 19 beschrieben.Further developments of the invention are described in subclaims 2 to 19.

So kann der aus dem Durchbruch in der Wand des Behälters ragende Anschlußstutzen als 90° Winkelrohr, als T-Stück oder als Kreuzstück mit einem Ansatzstutzen ausgebildet sein. Je nach Zahl der Öffnungen an dem Anschlußstutzen können somit eine oder mehrere Hohlleisten befestigt werden. Vorzugsweise ist die Hohlleiste flexibel und/oder im Querschnitt länglich-oval mit ebener Bodenfläche, aber flach ausgebildet, so daß sie eine bei der Benutzung nicht störende Rippe am Behälterboden oder an der Behälterinnenseite darstellt.For example, the connecting piece protruding from the opening in the wall of the container can be designed as a 90 ° angled tube, as a T-piece or as a cross piece with an attachment piece. Depending on the number of openings on the connecting piece, one or more hollow strips can thus be attached. The hollow strip is preferably flexible and / or elongate-oval in cross-section with a flat bottom surface, but is flat, so that it constitutes a rib on the container bottom or on the inside of the container which does not interfere with use.

Um zu verhindern, daß sich die Hohlleiste bei Benutzung ungewollt verschiebt, ist die im wesentlichen ebene Bodenfläche mit Saugnoppen oder flexiblen Haftsäumen ausgestattet, worüber sie an der Behälterinnenseite, insbesondere dem Behälterboden lösbar fixiert werden kann. Die Ausströmöffnungen (Düsenöffnungen) befinden sich nach einer Weiterbildung der Erfindung auf der Leistenoberseite, vorzugsweise sind sie dort mittig und/oder äquidistant angeordnet, um eine möglichst gleichmäßige Druckbeaufschlagung durch Luft und/oder Wasser zu erzielen.In order to prevent the hollow strip from shifting unintentionally during use, the essentially flat bottom surface is equipped with suction knobs or flexible adhesive seams, by means of which it can be detachably fixed to the inside of the container, in particular the bottom of the container. The outflow openings (nozzle openings) are according to a development of the invention on the top of the ledge, preferably they are arranged there centrally and / or equidistantly in order to achieve the most uniform possible pressurization by air and / or water.

Vorzugsweise sind - in Strömungsrichtung gesehen - jeweils hinter den Ausströmöffnungen am Hohlleisteninnenmantel angeordnete und in den Innenraum ragende Leitschaufeln vorgesehen.As seen in the flow direction, guide vanes are preferably provided behind the outflow openings on the hollow strip inner jacket and projecting into the interior.

Nach einer weiteren Ausgestaltung der Erfindung besteht die Hohlleiste aus mehreren über Steckverbindungen lösbar aneinander befestigten Teilstücken, so daß ihre Länge variiert werden kann.According to a further embodiment of the invention, the hollow strip consists of a plurality of sections which are detachably attached to one another via plug connections, so that their length can be varied.

Verbindet man die Hohlleiste jeweils endseitig mit einem Rohrende, worüber z.B. Luft eingepreßt wird, läßt sich der gegen den hydrostatischen Druck des in dem Behälter befindlichen Wassers notwendige Luftdruck schnell und gleichmäßig aufbauen.If you connect the hollow strip at the end with a pipe end, which e.g. Air is injected, the air pressure necessary against the hydrostatic pressure of the water in the container can be built up quickly and evenly.

Um störende Kanten im Behälterinneren zu vermeiden, wird der Anschlußstutzen und die Verbindungsstelle mit der Hohlleiste durch eine Kappe abgedeckt. Diese Kappe schützt auch die Verbindungsstelle vor einem ungewollten Lösen der Hohlleiste vom Anschlußstutzen. Vorzugsweise ist die Kappe an den Seiten bis zum Behälterinnenmantel heruntergezogen bzw. sie liegt dort an. Durch diese Maßnahme kann die Kappe als formharmonischer Abschluß der Hohlleiste ausgebildet werden.In order to avoid disturbing edges inside the container, the connection piece and the connection point with the hollow strip is covered by a cap. This cap also protects the connection point against unintentional loosening of the hollow strip from the connecting piece. The cap is preferably pulled down on the sides up to the inner jacket of the container or it lies there. As a result of this measure, the cap can be designed as a harmonious end to the hollow strip.

Nach einer weiteren Ausgestaltung der Erfindung besitzt auch die Kappe, vorzugsweise in der Nähe des Behälterinnenmantels, eine oder mehrere Ausströmöffnungen. Der Einbau wird vereinfacht, wenn die Kappe mit dem den Durchbruch durchragenden Ansatzstück von vornherein verbunden oder mit diesem einteilig ausgebildet ist. Aus fertigungstechnischen und Kostengründen bestehen das den Durchbruch durchragende Winkelrohr, die Kappe und/oder die Hohlleiste aus Kunststoff, wobei sich bei entsprechender Wahl der Kunststoffe Abdichtungsprobleme weitgehend vermeiden lassen. Die genannten Teile lassen sich kostengünstig durch Spritzgießen fertigen.According to a further embodiment of the invention, the cap also has one or more outflow openings, preferably in the vicinity of the inner container shell. Installation is simplified if the cap is connected from the outset to the extension piece projecting through the opening or is formed in one piece with it. For manufacturing and cost reasons, the angled tube protruding through the opening, the cap and / or the hollow strip made of plastic, sealing problems being largely avoided if the plastics are chosen accordingly. The parts mentioned can be manufactured inexpensively by injection molding.

Die Verbindung zwischen zwei Hohlleisten und/oder zwischen der Hohlleiste und dem Anschlußende kann beispielsweise als einfache Steckverbindung, vorzugsweise durch Anbringung eines zusätzlichen umlaufenden Wulstes und einer korrespondierenden Nut als lösbare Schnappverbindung ausgebildet sein. Der durch den Durchbruch nach außen ragende Anschlußstutzen wird über eine Gewindeverbindung mit einer Mutter, die vorzugsweise ebenfalls aus Kunststoff ist, an dem Behälter befestigt.The connection between two hollow strips and / or between the hollow strip and the connection end can be designed, for example, as a simple plug connection, preferably by attaching an additional circumferential bead and a corresponding groove, as a releasable snap connection. The connecting piece protruding through the opening is fastened to the container by means of a threaded connection with a nut, which is preferably also made of plastic.

Um ein Eindringen bzw. Rückfließen von Wasser in den Anschlußstutzen zu verhindern, ist der den Durchbruch durchragende Anschlußstutzen mit einem Rückschlagventil ausgestattet, vorzugsweise ist ein solches Ventil regelbar, um den Durchfluß und damit den in der Hohlleiste anstehenden Druck wählen zu können.In order to prevent water from entering or flowing back into the connecting piece, the connecting piece protruding through the opening is equipped with a non-return valve, preferably such a valve can be regulated in order to be able to select the flow and thus the pressure present in the hollow strip.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt. Es zeigen

Fig. 1
eine perspektivische Ansicht einer Hohlleiste, die endseitig an jeweilige durch Kappen abgedeckte Anschlußenden anschließbar ist und
Fig. 2
eine Querschnittsansicht durch einen mit einem Durchbruch versehenen Wannenteil mit aufgesteckter Hohlleiste.
An embodiment of the invention is shown in the drawing. Show it
Fig. 1
a perspective view of a hollow bar, the end of which can be connected to respective terminal ends covered by caps and
Fig. 2
a cross-sectional view through a breakthrough tub part with attached hollow strip.

Die dargestellte Hohlleiste 10 besitzt an ihrer Oberseite mittig aufgereihte Ausströmöffnungen 11 und liegt auf dem Wannenboden 12 auf. Die Hohlleiste ist im Querschnitt flach ausgestaltet und besitzt einen im wesentlichen ebenen Boden und eine bogenförmig gewölbte Oberseite, in deren Mitte sich die Ausströmöffnungen 11 befinden. Zur Fixierung der Hohlleiste 10 auf dem Wannenboden 12a besitzt diese unter ihrem Boden einen Haftsaum aus flexiblem elastichem Material, der auf den Wannenboden 12a gelegt wird. Erzeugt man in dem von dem Haftsaum umschlossenen Volumen oberhalb des Wannenbodens einen Unterdruck, haftet die Hohlleiste auf der Wanneninnenseite. Statt des Saumes 17 können auch Saugnoppen oder ähnliches verwendet werden.The hollow strip 10 shown has outlet openings 11 lined up in the center on its upper side and lies on the tub floor 12. The hollow strip is flat in cross section and has a substantially flat bottom and an arched top, in the middle of which the outflow openings 11 are located. To fix the hollow strip 10 on the tub floor 12a, it has an adhesive seam made of flexible, elastic material under its bottom, which is placed on the tub floor 12a. If a vacuum is created in the volume enclosed by the adhesive seam above the base of the tub, the hollow strip adheres to the inside of the tub. Instead of the hem 17, suction pads or the like can also be used.

Den in Fig. 2 dargestellten Wannendurchbruch durchragt der Anschlußstutzen 13c eines T-Stückes 13, das mittels einer Mutter 14 über eine betreffende Gewindeverbindung 13a, 14a unter Zwischenlage einer Ringdichtung 15 angeschraubt ist. Das T-Stück weist ein Rückschlagventil auf, in Fig. 2 dargestellt durch eine Kugel 16, die in einem Ventilsitz ruht. Der in das Wanneninnere ragende Anschlußende 13b ist mit der Hohlleiste 10 lösbar verbunden. Diese Verbindung kann im einfachsten Fall, wie in Fig. 2 dargestellt, dadurch hergestellt werden, daß das Hohlleistenende über den Anschlußstutzen 13 bzw. eine dortige Ringausnehmung 21 geschoben wird. Die Verbindung kann jedoch auch als Schnappverbindung ausgebildet sein, etwa derart, daß das Anschlußende 13b, wie in Fig. 1 dargestellt, eine Ringwulst 20 aufweist, die in eine korrespondierenden Nut der Hohlleiste einschnappt.2 extends through the connecting piece 13c of a T-piece 13, which is screwed on by means of a nut 14 via a respective threaded connection 13a, 14a with the interposition of an annular seal 15. The T-piece has a check valve, shown in FIG. 2 by a ball 16, which rests in a valve seat. The connecting end 13b projecting into the tub is releasably connected to the hollow strip 10. In the simplest case, as shown in FIG. 2, this connection can be produced by pushing the hollow strip end over the connecting piece 13 or an annular recess 21 there. However, the connection can also be designed as a snap connection, for example in such a way that the connection end 13b, as shown in FIG. 1, has an annular bead 20 which snaps into a corresponding groove in the hollow strip.

Das T-Stück 13 wird von einer Kappe 18 überdeckt, die außerhalb des Verbindungsbereiches des Anschlußendes 13b mit der Hohlleiste 10 jeweils bis zum Wannenboden 12a reicht und dort anliegt. Die Kappe 18 ist so geformt, daß sie einen Abschluß der Flachprofilleiste bildet. Die Kappe besitzt zusätzlich ein oder mehrere Ausströmöffnungen 19.The T-piece 13 is covered by a cap 18, which extends outside the connection area of the connection end 13b with the hollow strip 10 to the tub base 12a and lies there. The cap 18 is shaped so that it forms a termination of the flat profile strip. The cap additionally has one or more outflow openings 19.

Die Montage der in Fig. 2 dargestellten Anordnung bzw. das Herauslösen der Hohlleiste sind einfach vorzunehmen. Hierzu wird das aus Hart-PVC bestehende T-Stuck 13 zusammen mit der Kappe 18 so eingesetzt, daß der Anschlußstutzen 13c auf der Wannenbodenaußenseite mittels der Mutter 14 befestigt werden kann. Anschließend wird die Hohlleiste 10 jeweils endseitig mit Anschlußenden 13b verbunden, von wo sie ohne weiteres wieder abgelöst werden kann. Auch wenn die in Fig. 1 dargestellte Hohlleiste an ihren beiden Enden mit Anschlußenden 13b verbunden ist, schließt der Erfindungsgedanke auch solche Ausführungsformen ein, bei denen die Hohlleiste nur an einer Seite eine mit dem Anschlußende 13b steckbare Öffnung aufweist, das andere Ende jedoch verschlossen ist. Gleichermaßen ist es auch ohne weiteres möglich, das erste Ende der Hohlleiste mit einem männlichen Steckteil und das andere Ende mit einem weiblichen Steckteil auszustatten. In entsprechender Weise sind dann die Anschlußenden auszubilden.The assembly of the arrangement shown in FIG. 2 or the removal of the hollow strip are easy to carry out. For this purpose, the T-piece 13 made of hard PVC is used together with the cap 18 so that the connecting piece 13c on the Tub floor outside can be attached by means of the nut 14. Subsequently, the hollow strip 10 is connected at each end to connection ends 13b, from where it can be easily removed again. Even if the hollow strip shown in FIG. 1 is connected at both ends to connection ends 13b, the inventive concept also includes embodiments in which the hollow strip has an opening which can be plugged into the connection end 13b on only one side, but the other end is closed . Likewise, it is also readily possible to equip the first end of the hollow strip with a male plug-in part and the other end with a female plug-in part. The connection ends are then to be formed in a corresponding manner.

Im Prinzip ist es auch möglich, die Kappe 18 an ihrer offenen Seite mit einer den gleichartigen Querschnitten des Anschlußendes 13b und der Hohlleiste 10 angepaßten Hülse zu versehen, in die jeweils das Anschlußende 13b und die Querleiste 10 eingeschoben wird. Der wesentliche Vorteil der vorliegenden Erfindung besteht darin, daß die flexible Hohlleiste (bei einseitigem Anschluß) entlang der gewünschten Linie in der Whirlpoolwanne gelegt und somit die Ausströmöffnungen 11 nach Wunsch ausgerichtet werden können. Zum Herausnehmen der Hohlleiste - etwa zu Reinigungszwecken - ist lediglich die Verbindung zum Anschlußende 13b zu lösen.In principle, it is also possible to provide the cap 18 on its open side with a sleeve adapted to the similar cross sections of the connection end 13b and the hollow strip 10, into which the connection end 13b and the cross strip 10 are inserted. The main advantage of the present invention is that the flexible hollow strip (with one-sided connection) is placed along the desired line in the whirlpool tub and thus the outflow openings 11 can be aligned as desired. To remove the hollow strip - for cleaning purposes, for example - only the connection to the connection end 13b has to be released.

Prinzipiell ist die erfindungsgemäße Düsenanordnung in beliebigen wannen- oder beckenartigen Körpern einsetzbar, also beispielsweise auch in Aquarien, Fischteichen, Swimmingpools oder ähnlichem.In principle, the nozzle arrangement according to the invention can be used in any tub-like or basin-like bodies, for example also in aquariums, fish ponds, swimming pools or the like.

Claims (19)

  1. Whirlpool- or swimmingpool fluid introduction device for generating fluid jets in a liquid, in particular water-and/or air- or water-air-mixture-jets,
    the device being designed as a hollow bar (10) having a multitude of outlet orifices along its length for that fluid, arranged in the area of and parallel to the inner wall of the container during operation and detachably connected to a pipe disposed outside the whirlpool or swimmingpool via a snap-, clamp- or plug-connection to a pipe socket (13b) extending through the wall of the whirlpool or swimmingpool.
  2. Whirlpool- or swimmingpool fluid introduction device according to claim 1, characterized in that each connecting end (13b) is designed as a part of a 90° angular pipe, a T-piece (13) or a crosspiece with an adapter piece (13c).
  3. Whirlpool- or swimmingpool fluid introduction device according to claim 1 or 2, characterized in that the flexible hollow bar (10) has an oblong-oval cross-section with an even bottom, but having a flat configuration.
  4. Whirlpool- or swimmingpool fluid introduction device according to claim 1 to 3, characterized in that the hollow bar (10) has an essentially even bottom surface with flexible adhesive edges (17).
  5. Whirlpool- or swimmingpool fluid introduction device according to claim 1 to 4, characterized in that the outlet orifices (11) are arranged on the upper surface, preferably centrally and/or equidistantly.
  6. Whirlpool- or swimmingpool fluid introduction device according to one of the claims 1 to 5, characterized in that guide vanes are provided which, in the direction of flow, are respectively arranged on the inside wall of the hollow bar behind the outlet orifices (11) and which project into the interior.
  7. Whirlpool- or swimmingpool fluid introduction device according to one of the claims 1 to 6, characterized in that the hollow bar (10) comprises a plurality of parts detachably fastened to one another via plug-connections.
  8. Whirlpool- or swimmingpool fluid introduction device according to one of the claims 1 to 7, characterized in that the hollow bar (10) is connected at its respective ends to a connecting end (13b).
  9. Whirlpool- or swimmingpool fluid introduction device according to one of the claims 1 to 8, characterized in that the connecting end (13b) and the point of connection (20, 21) to the hollow bar (10) are covered by a cap (18).
  10. Whirlpool- or swimmingpool fluid introduction device according to claim 9, characterized in that the cap (18) extends beyond the point of connection to the hollow bar (10) as far as the inside wall of the container and abuts there.
  11. Whirlpool- or swimmingpool fluid introduction device according to claim 9 or 10, characterized in that the cap has one or a plurally of outlet orifices (19), preferably in the vicinity of the inside wall of the container.
  12. Whirlpool- or swimmingpool fluid introduction device according to one of the claims 9 to 11, characterized in that the cap (18) is connected to the angular pipe (13) prejecting through the opening in the wall of the container or is configured in one piece with this pipe.
  13. Whirlpool- or swimmingpool fluid introduction device according to one of the claims 1 to 12, characterized in that at least one opening is provided in the bottom of the container (12).
  14. Whirlpool- or swimmingpool fluid introduction device according to one of the claims 1 to 13, characterized in that the angular pipe (13) projecting through the opening in the wall of the container, the cap (18) and/or the hollow bar (10) are made of plastic.
  15. Whirlpool- or swimmingpool fluid introduction device according to claim 14, characterized in that the plastic parts (10, 13, 18) are manufactured by injection moulding.
  16. Whirlpool- or swimmingpool fluid introduction device according to one for the claims 1 to 15, characterized in that the connection between two hollow bars and/or between the hollow bar (10) and the pipe end (13b) is designed as a plug-connection (20, 21), preferably is designed as a detachable snap connection by providing an additional circumferential bulge (20), and a corresponding groove.
  17. Whirlpool- or swimmingpool fluid introduction device according to one of the claims 1 to 16, characterized in that the pipe socket (13c) projecting outwards through the opening in the wall of the container is fastened to the container (12) via a screw (13a) with a nut (14) preferably made of plastic.
  18. Whirlpool- or swimmingpool fluid introduction device according to one of the claims 1 to 17, characterized in that the pipe socket (13c) projecting through the opening in the wall of the container has a non-return valve (16).
  19. Whirlpool- or swimmingpool fluid introduction device according to one of the claims 1 to 18, characterized in that the pipe socket (13c) projecting through the opening in the wall of the container has a controllable valve.
EP90124013A 1989-12-19 1990-12-13 Whirlpool or swimmingpool fluid introduction device Expired - Lifetime EP0433874B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3941819 1989-12-19
DE3941819A DE3941819C1 (en) 1989-12-19 1989-12-19

Publications (2)

Publication Number Publication Date
EP0433874A1 EP0433874A1 (en) 1991-06-26
EP0433874B1 true EP0433874B1 (en) 1994-06-01

Family

ID=6395736

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90124013A Expired - Lifetime EP0433874B1 (en) 1989-12-19 1990-12-13 Whirlpool or swimmingpool fluid introduction device

Country Status (7)

Country Link
US (1) US5128072A (en)
EP (1) EP0433874B1 (en)
AT (1) ATE106230T1 (en)
CA (1) CA2031862C (en)
DE (2) DE3941819C1 (en)
DK (1) DK0433874T3 (en)
ES (1) ES2057343T3 (en)

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JP3792142B2 (en) * 2001-06-29 2006-07-05 秀男 清水 Illuminated jet nozzle type bathtub
US7082847B2 (en) * 2003-01-30 2006-08-01 Techelan, Llc Sealing device
AT413499B (en) * 2003-09-19 2006-03-15 Koller Rudolf AIR NOZZLE FOR WATER BASIN, BATHTUBS OD. DGL.
DE102005010725B3 (en) * 2005-03-09 2006-10-19 Hoesch Gmbh & Co. Kg Sanitary arrangement used as a bath tub or shower tray comprises a run-off and/or an opening covered by an elastically deformable covering element held on the base region by a connecting piece which protrudes into a tubular element
US9555389B2 (en) * 2013-03-13 2017-01-31 Kellogg Brown & Root Llc Gas distributor nozzles

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Also Published As

Publication number Publication date
EP0433874A1 (en) 1991-06-26
US5128072A (en) 1992-07-07
ATE106230T1 (en) 1994-06-15
CA2031862A1 (en) 1991-06-20
CA2031862C (en) 1998-05-12
ES2057343T3 (en) 1994-10-16
DE3941819C1 (en) 1991-06-13
DK0433874T3 (en) 1994-10-10
DE59005932D1 (en) 1994-07-07

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