EP3608027A1 - Fountain attachment for water-based games with an adjustable nozzle - Google Patents

Fountain attachment for water-based games with an adjustable nozzle Download PDF

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Publication number
EP3608027A1
EP3608027A1 EP19187621.8A EP19187621A EP3608027A1 EP 3608027 A1 EP3608027 A1 EP 3608027A1 EP 19187621 A EP19187621 A EP 19187621A EP 3608027 A1 EP3608027 A1 EP 3608027A1
Authority
EP
European Patent Office
Prior art keywords
spring
guide
fountain attachment
contour
fountain
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
EP19187621.8A
Other languages
German (de)
French (fr)
Other versions
EP3608027B1 (en
Inventor
Reinhard Wesselmeier
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.)
Oase Pumpen Wuebker Soehne GmbH and Co Maschinenfabrik
Original Assignee
Oase Pumpen Wuebker Soehne GmbH and Co Maschinenfabrik
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Publication of EP3608027A1 publication Critical patent/EP3608027A1/en
Application granted granted Critical
Publication of EP3608027B1 publication Critical patent/EP3608027B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/12—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means capable of producing different kinds of discharge, e.g. either jet or spray
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3033—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
    • B05B1/3073—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a deflector acting as a valve in co-operation with the outlet orifice
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0278—Arrangement or mounting of spray heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/08—Fountains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/002—Manually-actuated controlling means, e.g. push buttons, levers or triggers

Definitions

  • the invention relates to a fountain attachment for water features with an adjustable nozzle, the gap size of which is set by a coaxial displacement of an outer tube relative to an inner tube.
  • a nozzle can be realized, for example, by a baffle plate attached to the inner tube, which can be moved out of or into the outer tube by the coaxial displacement of the tubes.
  • a twisting of the pipes relative to one another is translated into the coaxial displacement by means of a guide contour which interacts with spring-loaded movable guide balls.
  • a variable water image of the fountain attachment can be generated by a rotational movement applied to the outer tube.
  • a pressure element is arranged between the spring and the guide ball. There is no direct friction of the guide ball on the spring, so that the spring is no longer exposed to strong torsional forces. In addition, the guide ball can slide better on the pressure element. In this embodiment, both the spring and the guide ball are exposed to considerably less wear.
  • An adjustment in the nozzle is preferably carried out by means of a rotational movement applied to the outer tube, for example by means of a toothed belt, since in this case the water-carrying inner tube is stationary and does not require any complex sealing and rotary mounting.
  • the guide contour is advantageously designed to run all the way round, since a rotary movement with a constant direction of rotation can be applied to control the nozzle.
  • the application of the rotational movement can be carried out by all drive and gear concepts, particularly in pond construction.
  • guide elements in the form of balls are preferred for interaction with the guide contour, it is possible in principle to use guide elements that are not or not exactly spherical, such as rounded rollers or ellipsoids.
  • the spring which is designed in particular as a spiral spring, has an opening into which an extension of the pressure element engages.
  • the particularly central opening of the spring thus takes up a part of the pressure element, as a result of which this is better guided.
  • the spring is stabilized by the pressure element. This counteracts an unfavorable deformation of the spring and an unfavorable movement of the pressure element, which further minimizes wear.
  • the use of disc springs or elastic dampers for example in the form of rubber cylinders, is also possible.
  • the guide ball is mounted on the spring side in a spherical abutment which has a spherical bearing contour, the bearing contour having a slightly larger radius than the ball.
  • the bearing contour By adapting the bearing contour to the outer contour of the guide ball, it can roll over a large area. This causes the guide ball to wear more evenly and therefore more slowly.
  • the ball abutment has a recess through which the spring can have a completely spherical bearing contour on the pressure element on the guide ball.
  • the spring and the pressure element are guided in a housing element.
  • the housing element is designed such that it can be removed from the fountain attachment in a simple manner.
  • the spring arranged therein and the pressure element are thus easily accessible and exchangeable. Maintenance of the fountain attachment is thus possible in a simple manner.
  • the ball abutment is part of the housing element.
  • the guide balls are also easily accessible or replaceable for maintenance by dismantling the housing element.
  • the housing element has a continuous channel for receiving the spring, which can be closed from the outside by a closure.
  • the closure acts as an abutment for the spring.
  • the housing element has a boundary contour adapted to the outer radius of the inner tube.
  • the housing element designed to support the spring and the pressure element and, if appropriate, the guide ball contributes to the support by its complementary contour adapted to the outer radius of the inner tube and thus to a quiet and guided rotation of the tubes relative to one another.
  • the circumferential guide contour is designed such that several coaxial movements up and down are implemented per revolution.
  • the guide contour is wave-shaped along the circumferential direction. This enables high-frequency closing cycles to be achieved at a comparatively low rotation speed.
  • At least two circumferential guide contours are provided. These guide contours running parallel to one another each interact with at least one movable guide ball preloaded by at least one spring and increase the stability of the fountain attachment, in particular at higher pressures and / or higher rotational speeds.
  • the guide balls interacting with their respective guide contour are preferably mounted one above the other in a common housing element.
  • At least two, preferably three, particularly preferably four, guide balls interact with a circumferential guide contour.
  • a plurality of guide balls on the same guide contour are preferably arranged at constant intervals in the circumferential direction, so that, for example, with four balls one is arranged at the 3, 6, 9 and 12 o'clock positions.
  • the use of several guide balls on the same guide contour increases the stability of the fountain attachment, especially when using higher pressures and / or higher rotational speeds.
  • each guide ball is preferably assigned its own housing element on the same guide contour. If several guide contours are also provided, the guide balls running in different contours are preferably arranged one above the other in a common housing element. This also simplifies assembly and maintenance.
  • the fountain attachment has at least one lubrication channel running from the outside to the inside of the outer tube. Water for lubrication and cooling can penetrate between the outer and inner tube.
  • the lubrication channel is preferably arranged so that it lies below the water level when the fountain is in use.
  • the lubrication channel opens into an outer, circumferential groove in which a sealing element with an undersize is arranged.
  • the sealing element thus prevents larger dirt particles from entering the lubrication channel, whereby water for lubrication and cooling can continue to pass through the channel. Clogging of the fountain attachment with coarse dirt is effectively prevented.
  • the inside of the outer tube has a plurality of circumferential grooves for receiving dirt.
  • dirt particles which in particular are not kept away from the sealing element, are collected in the grooves, so that the movement of the pipes against one another is not disturbed.
  • the fountain attachment can be disassembled at certain intervals and the dirt can be removed from the grooves.
  • the present invention provides a fountain attachment that generates a variable water image with little wear, higher pressures and / or higher rotational speeds can also be used, and which can also be easily assembled and maintained.
  • Fig. 1 shows a fountain attachment 2 according to the invention with an outer tube 4 and an inner tube 6, a baffle element 8 arranged in the inner tube 6 and fixed relative to it, in the form of a baffle plate, together with an inner side 10 of the outer tube 4 forming a nozzle 12, the gap size of which by a coaxial Displacement V of the outer tube 4 relative to the inner tube 6 along a valve axis A is set.
  • the coaxial displacement V is caused by a rotation R of the tubes 4, 6 against each other.
  • the inner tube 6 is provided on an outer side 13 with two wavy circumferential and mutually parallel guide contours 14 which cooperate with guide balls 18 preloaded by springs 16.
  • a rotational movement R applied to the outer tube 4 is translated into the coaxial displacement V by the cooperating guide balls 18 and guide contours 14.
  • Fig. 2 shows the guide balls 18 in a detailed view, with the inner tube 6 now also being shown in section.
  • a pressure element 19, which has better sliding properties than the spring 16, is arranged between the springs 16 and the guide balls 18.
  • An extension 20 of the pressure element 19 projects into an opening of the spring 16, thereby stabilizing it.
  • the pressure element 19 is better guided by the spring 16 surrounding the extension 20.
  • the guide balls 18 are on the spring side, each with a spherical bearing contour having ball abutment 22, wherein the spring 16 can act on the guide balls 18 via the pressure element 19 through a recess in the ball abutment 22.
  • the bearing contour has a slightly larger radius than the guide ball 18.
  • the guide balls 18 are supported both with respect to the guide contours 14 and with respect to the ball abutment 22 with a little play, so that water for lubrication and cooling can penetrate into the corresponding spaces.
  • the fountain attachment 2 has a lubrication channel 26 running from an outer side 24 to the inner side 10 of the outer tube 4.
  • the lubrication channel 26 opens outwards into an outer, circumferential groove in which a sealing element 28 with an undersize is arranged, so that water can penetrate, but larger dirt particles are prevented.
  • Spring 16 and pressure element 19 are mounted together in a housing element 32.
  • the housing element 32 is removable and enables easy maintenance and in particular the convenient replacement of springs 16 and pressure elements 19.
  • the ball abutment 22 is removed from the housing element 32 formed with, so that these are accessible by removing the housing element 32.
  • the housing element 32 has a continuous channel 33 (s. Fig. 4 ) for receiving the springs 16, which can be closed from the outside by a closure 34. By removing the closure 34, the springs 16 can thus be removed from the housing element 32 without removing it itself.
  • Fig. 3 shows the housing element 32 with the elements, which are at least partially stored therein, in an exploded view.
  • Four openings 36 for fastening means are provided for fastening the housing element 32 to the outer tube 4.
  • Corresponding openings or threads can be provided for fastening the closure 34 to the housing element 32.
  • the housing element 32 furthermore has a boundary contour 38 which is adapted to the outer radius of the inner tube 6.
  • the housing element 32 is provided with two flange flanks 40 arranged on the side of the ball abutment 22 (not shown), in the area of which the openings 36 (not shown) for fastening means are arranged.
  • Fig. 5 shows a fountain attachment 2 according to the invention with a drive segment 42 arranged under the outer tube 4, which can be driven via a tooth contour 44.
  • a rotational movement applied to the drive segment 42 R about the valve axis A is transmitted to the outer tube 4 via driver 46.
  • the guide balls 18 (not shown) mounted in the housing elements 32 transmit the rotational movement R into a coaxial displacement V of the outer tube 4 with respect to the fixed inner tube 6, of which only the baffle plate 8 can be seen.
  • corresponding slots 48 enable the outer tube 4 to move up and down.
  • Fig. 6 shows the item Fig. 5 in a sectional view.
  • the impact element 8 is fixed to the inner tube 6 via a shaft 50. At the lower end of the shaft 50 there is a flow straightener 52 consisting of a plurality of vanes.
  • the inner tube 6 is fixed to a water inlet connection 54 via a screw thread.
  • the drive module 42 is rotatably mounted about the valve axis A with respect to the inlet connection 54 via ball bearings 56.
  • the impact element 8 and the inside 10 of the outer tube 4 form the nozzle 12.
  • the guide balls 18 are located in the lowest possible position with respect to the guide contour 14, so that the outer tube 4 is the farthest away from the impact element 8 in the axial direction and the water escapes from the nozzle 12 in a more horizontal direction H.
  • the corresponding water picture is in Fig. 7 shown.
  • Fig. 10 shows the item Fig. 6 with the inner tube 6 removed. It can be seen that, with respect to the valve axis A, four housing elements 32 are provided in the circumferential direction, each with two guide balls 18 each interacting with a guide contour 14.
  • the outer tube 4 also has a plurality of circumferential grooves 30 on its inside 10 for receiving dirt.

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  • Special Spraying Apparatus (AREA)

Abstract

Die Erfindung betrifft einen Fontänenaufsatz (2) für Wasserspiele mit einer verstellbaren Düse (12), deren Spaltgröße durch eine koaxiale Verschiebung (V) eines Au-ßenrohrs (4) gegenüber einem Innenrohr (6) eingestellt wird. Dabei wirkt zumindest eine durch wenigstens eine Feder (16) vorgespannte bewegliche Führungskugel (18) mit einer Führungskontur (14) derart zusammen, dass durch eine Verdrehung (R) der Rohre (4, 6) gegeneinander diese koaxial zueinander verschoben (V) werden. Erfindungsgemäß ist zwischen der Feder (16) und der Führungskugel (18) ein Andruckelement (19) angeordnet.The invention relates to a fountain attachment (2) for water features with an adjustable nozzle (12), the gap size of which is set by a coaxial displacement (V) of an outer tube (4) relative to an inner tube (6). In this case, at least one movable guide ball (18) preloaded by at least one spring (16) interacts with a guide contour (14) in such a way that the pipes (4, 6) are displaced (V) coaxially relative to one another by twisting (R). According to the invention, a pressure element (19) is arranged between the spring (16) and the guide ball (18).

Description

Die Erfindung betrifft einen Fontänenaufsatz für Wasserspiele mit einer verstellbaren Düse, deren Spaltgröße durch eine koaxiale Verschiebung eines Außenrohrs gegenüber einem Innenrohr eingestellt wird. Konstruktiv kann eine derartige Düse beispielsweise durch einen an dem Innenrohr befestigten Prallteller realisiert werden, der durch die koaxiale Verschiebung der Rohre gegeneinander aus dem Außenrohr heraus- oder in diesen hineingefahren werden kann.The invention relates to a fountain attachment for water features with an adjustable nozzle, the gap size of which is set by a coaxial displacement of an outer tube relative to an inner tube. In terms of construction, such a nozzle can be realized, for example, by a baffle plate attached to the inner tube, which can be moved out of or into the outer tube by the coaxial displacement of the tubes.

Bei derartigen Fontänenaufsätzen wird zur Einstellung der Spaltgröße über eine mit durch Federn vorgespannten beweglichen Führungskugeln zusammenwirkende Führungskontur eine Verdrehung der Rohre gegeneinander in die koaxiale Verschiebung übersetzt. So kann beispielsweise durch eine auf das Außenrohr aufgebrachte Rotationsbewegung ein variables Wasserbild des Fontänenaufsatzes erzeugt werden.In the case of such fountain attachments, in order to adjust the gap size, a twisting of the pipes relative to one another is translated into the coaxial displacement by means of a guide contour which interacts with spring-loaded movable guide balls. For example, a variable water image of the fountain attachment can be generated by a rotational movement applied to the outer tube.

Bei den bisher bekannten Ausführungen wird die Führungskugel unmittelbar durch eine Feder in die Führungskontur gedrückt. Die Führungskugel reibt somit direkt auf der Feder, so dass Letztere starken Torsionskräften ausgesetzt ist. Beide Elemente verschleißen daher schnell und müssen aufwendig getauscht werden. Auch lassen sich höhere Wasserdrücke mit dieser Konstruktion nicht realisieren.In the previously known designs, the guide ball is pressed directly into the guide contour by a spring. The guide ball thus rubs directly on the spring, so that the latter is exposed to strong torsional forces. Both elements therefore wear out quickly and have to be replaced at great expense. Higher water pressures cannot be realized with this construction either.

Daher liegt der vorliegenden Erfindung die Aufgabe zugrunde, einen verbesserten Fontänenaufsatz bereitzustellen, der verschleißarm ist und sich insbesondere für höhere Wasserdrücke eignet.It is therefore the object of the present invention to provide an improved fountain attachment which is low in wear and is particularly suitable for higher water pressures.

Diese Aufgabe wird erfindungsgemäß durch einen Gegenstand mit den Merkmalen des Anspruchs 1 gelöst. Dabei ist zwischen Feder und Führungskugel ein Andruckelement angeordnet. Auf eine direkte Reibung der Führungskugel auf der Feder wird verzichtet, wodurch die Feder keinen starken Torsionskräften mehr ausgesetzt ist. Zudem kann die Führungskugel auf dem Andruckelement besser gleiten. In dieser Ausgestaltung sind sowohl die Feder als auch die Führungskugel einem erheblich geringeren Verschleiß ausgesetzt.This object is achieved according to the invention by an object with the features of claim 1. A pressure element is arranged between the spring and the guide ball. There is no direct friction of the guide ball on the spring, so that the spring is no longer exposed to strong torsional forces. In addition, the guide ball can slide better on the pressure element. In this embodiment, both the spring and the guide ball are exposed to considerably less wear.

Vorzugsweise wird eine Verstellung in der Düse über eine auf das Außenrohr aufgebrachte Rotationsbewegung, beispielsweise mittels eines Zahnriemens, realisiert, da in diesem Fall das wasserführende Innenrohr ortsfest ist und keine aufwendige Abdichtung und rotatorische Lagerung erfordert. Mit Vorteil ist die Führungskontur umlaufend ausgebildet, da zur Steuerung der Düse eine Rotationsbewegung mit konstanter Drehrichtung aufgebracht werden kann. Das Aufbringen der Rotationsbewegung kann durch alle insbesondere im Teichbau üblichen Antriebs- und Getriebekonzepte erfolgen.An adjustment in the nozzle is preferably carried out by means of a rotational movement applied to the outer tube, for example by means of a toothed belt, since in this case the water-carrying inner tube is stationary and does not require any complex sealing and rotary mounting. The guide contour is advantageously designed to run all the way round, since a rotary movement with a constant direction of rotation can be applied to control the nozzle. The application of the rotational movement can be carried out by all drive and gear concepts, particularly in pond construction.

Vorzugsweise ist zwischen der Führungskugel und der Führungskontur Spiel vorhanden, so dass Wasser zum Schmieren und Kühlen in die Zwischenräume eindringen kann.There is preferably play between the guide ball and the guide contour, so that water can enter the gaps for lubrication and cooling.

Zwar werden zum Zusammenwirken mit der Führungskontur Führungselemente in Form von Kugeln bevorzugt, es ist jedoch prinzipiell möglich, auch nicht oder nicht exakt sphärische Führungselemente wie abgerundete Rollen oder Ellipsoide zu verwenden.Although guide elements in the form of balls are preferred for interaction with the guide contour, it is possible in principle to use guide elements that are not or not exactly spherical, such as rounded rollers or ellipsoids.

Gemäß einer bevorzugten Ausführungsform der Erfindung weist die insbesondere als Spiralfeder ausgebildete Feder eine Öffnung auf, in die ein Fortsatz des Andruckelements eingreift. Die insbesondere zentrische Öffnung der Feder nimmt somit einen Teil des Andruckelementes auf, wodurch dieses besser geführt wird. Zudem wird die Feder durch das Andruckelement stabilisiert. Somit wird einer ungünstigen Verformung der Feder sowie einer ungünstigen Bewegung des Andruckelements entgegengewirkt, was den Verschleiß weiter minimiert. Neben Spiralfedern ist auch der Einsatz von Tellerfedern oder elastischen Dämpfern, beispielsweise in Form von Gummizylindern, möglich.According to a preferred embodiment of the invention, the spring, which is designed in particular as a spiral spring, has an opening into which an extension of the pressure element engages. The particularly central opening of the spring thus takes up a part of the pressure element, as a result of which this is better guided. In addition, the spring is stabilized by the pressure element. This counteracts an unfavorable deformation of the spring and an unfavorable movement of the pressure element, which further minimizes wear. In addition to coil springs, the use of disc springs or elastic dampers, for example in the form of rubber cylinders, is also possible.

In einer weiteren vorteilhaften Ausführungsform der Erfindung ist die Führungskugel federseitig in einem eine bereichsweise sphärisch ausgebildete Lagerkontur aufweisenden Kugelwiderlager gelagert, wobei die Lagerkontur einen leicht größeren Radius als die Kugel aufweist. Durch die Anpassung der Lagerkontur an die Außenkontur der Führungskugel kann diese auf einer großen Fläche abrollen. Dies bewirkt einen gleichmäßigeren und daher langsameren Verschleiß der Führungskugel. Vorzugsweise weist das Kugelwiderlager bis auf eine Ausnehmung, durch die die Feder über das Andruckelement auf die Führungskugel vorspannend einwirken kann, eine vollständig sphärisch ausgebildete Lagerkontur auf.In a further advantageous embodiment of the invention, the guide ball is mounted on the spring side in a spherical abutment which has a spherical bearing contour, the bearing contour having a slightly larger radius than the ball. By adapting the bearing contour to the outer contour of the guide ball, it can roll over a large area. This causes the guide ball to wear more evenly and therefore more slowly. Preferably, the ball abutment has a recess through which the spring can have a completely spherical bearing contour on the pressure element on the guide ball.

Gemäß einer weiteren bevorzugten Ausführungsform sind die Feder und das Andruckelement in einem Gehäuseelement geführt gelagert. Dadurch wird einem Verkanten der Elemente entgegengewirkt. Zudem ist das Gehäuseelement derart ausgebildet, dass es in einfacher Weise von dem Fontänenaufsatz abgenommen werden kann. Die darin angeordnete Feder sowie das Andruckelement sind dadurch leicht zugänglich und auswechselbar. Eine Wartung des Fontänenaufsatzes ist somit in einfacher Weise möglich.According to a further preferred embodiment, the spring and the pressure element are guided in a housing element. This counteracts tilting of the elements. In addition, the housing element is designed such that it can be removed from the fountain attachment in a simple manner. The spring arranged therein and the pressure element are thus easily accessible and exchangeable. Maintenance of the fountain attachment is thus possible in a simple manner.

In einer weiteren bevorzugten Ausführungsform ist das Kugelwiderlager Teil des Gehäuseelements. Somit sind für eine Wartung neben der Feder und dem Andruckelement auch die Führungskugeln durch die Demontage des Gehäuseelements leicht zugänglich bzw. auswechselbar.In a further preferred embodiment, the ball abutment is part of the housing element. Thus, in addition to the spring and the pressure element, the guide balls are also easily accessible or replaceable for maintenance by dismantling the housing element.

Gemäß einer weiteren vorteilhaften Ausgestaltung der Erfindung weist das Gehäuseelement einen durchgehenden Kanal zur Aufnahme der Feder auf, der durch einen Verschluss von außen geschlossen werden kann. Der Verschluss wirkt dabei als Widerlager für die Feder. Durch die Abnahme des Verschlusses ist die Feder aus dem Gehäuseelement herausnehmbar und kann daher ausgewechselt werden, ohne dass das Gehäuseelement ausgebaut werden muss.According to a further advantageous embodiment of the invention, the housing element has a continuous channel for receiving the spring, which can be closed from the outside by a closure. The closure acts as an abutment for the spring. By removing the closure, the spring can be removed from the housing element and can therefore be replaced without the housing element having to be removed.

In einer weiteren vorteilhaften Ausführungsform weist das Gehäuseelement eine an den Außenradius des Innenrohrs angepasste Grenzkontur auf. Das zur Lagerung der Feder und des Andruckelements sowie ggf. der Führungskugel ausgebildete Gehäuseelement trägt durch seine komplementär zum Außenradius des Innenrohrs angepasste Grenzkontur zur Abstützung und somit zu einer ruhigen und geführten Rotation der Rohre gegeneinander bei.In a further advantageous embodiment, the housing element has a boundary contour adapted to the outer radius of the inner tube. The housing element designed to support the spring and the pressure element and, if appropriate, the guide ball contributes to the support by its complementary contour adapted to the outer radius of the inner tube and thus to a quiet and guided rotation of the tubes relative to one another.

Gemäß einer weiteren vorteilhaften Ausgestaltung der Erfindung ist die umlaufende Führungskontur derart ausgebildet, dass pro Umdrehung mehrere koaxiale Bewegungen auf und ab realisiert werden. Insbesondere ist die Führungskontur entlang der Umfangsrichtung wellenförmig ausgebildet. Dadurch sind hochfrequente Schließzyklen bei vergleichsweise geringer Rotationsgeschwindigkeit realisierbar.According to a further advantageous embodiment of the invention, the circumferential guide contour is designed such that several coaxial movements up and down are implemented per revolution. In particular, the guide contour is wave-shaped along the circumferential direction. This enables high-frequency closing cycles to be achieved at a comparatively low rotation speed.

In einer weiteren bevorzugten Ausführungsform der Erfindung sind zumindest zwei umlaufende Führungskonturen vorgesehen. Diese parallel zueinander verlaufenden Führungskonturen wirken jeweils mit zumindest einer durch wenigstens eine Feder vorgespannten beweglichen Führungskugel zusammen und erhöhen die Stabilität des Fontänenaufsatzes, insbesondere bei höheren Drücken und/oder höheren Rotationsgeschwindigkeiten. Zur Vereinfachung der Wartung und exakten Parallelanordnung der Führungskugel sind die mit ihrer jeweiligen Führungskontur zusammenwirkenden Führungskugeln in einem gemeinsamen Gehäuseelement vorzugsweise übereinander gelagert.In a further preferred embodiment of the invention, at least two circumferential guide contours are provided. These guide contours running parallel to one another each interact with at least one movable guide ball preloaded by at least one spring and increase the stability of the fountain attachment, in particular at higher pressures and / or higher rotational speeds. To simplify the maintenance and exact parallel arrangement of the guide ball, the guide balls interacting with their respective guide contour are preferably mounted one above the other in a common housing element.

Gemäß einer weiteren bevorzugten Ausführungsform der Erfindung wirken mit jeweils einer umlaufenden Führungskontur zumindest zwei, bevorzugt drei, besonders bevorzugt vier Führungskugeln zusammen. Mehrere Führungskugeln auf derselben Führungskontur sind vorzugsweise mit konstanten Abständen in Umfangsrichtung zueinander angeordnet, so dass beispielsweise bei vier Kugeln je eine auf der 3-, 6-, 9- und 12-Uhr-Position angeordnet ist. Die Verwendung mehrerer Führungskugeln auf derselben Führungskontur erhöht die Stabilität des Fontänenaufsatzes, insbesondere bei dem Einsatz höherer Drücke und/oder höherer Rotationsgeschwindigkeit.According to a further preferred embodiment of the invention, at least two, preferably three, particularly preferably four, guide balls interact with a circumferential guide contour. A plurality of guide balls on the same guide contour are preferably arranged at constant intervals in the circumferential direction, so that, for example, with four balls one is arranged at the 3, 6, 9 and 12 o'clock positions. The use of several guide balls on the same guide contour increases the stability of the fountain attachment, especially when using higher pressures and / or higher rotational speeds.

Zur Vereinfachung der Montage und Wartung ist vorzugsweise jeder Führungskugel auf derselben Führungskontur ein eigenes Gehäuseelement zugeordnet. Sind zudem mehrere Führungskonturen vorgesehen, werden die in unterschiedlichen Konturen verlaufenden Führungskugeln vorzugsweise übereinander in einem gemeinsamen Gehäuseelement angeordnet. Dadurch wird ebenfalls die Montage und Wartung vereinfacht.To simplify assembly and maintenance, each guide ball is preferably assigned its own housing element on the same guide contour. If several guide contours are also provided, the guide balls running in different contours are preferably arranged one above the other in a common housing element. This also simplifies assembly and maintenance.

In einer weiteren vorteilhaften Ausgestaltung der Erfindung weist der Fontänenaufsatz zumindest einen von der Außenseite zur Innenseite des Außenrohres verlaufenden Schmierkanal auf. Zwischen Außen- und Innenrohr kann so Wasser zum Schmieren und Kühlen eindringen. Der Schmierkanal ist dabei vorzugsweise so angeordnet, dass er bei Gebrauch der Fontäne unterhalb des Wasserspiegels liegt.In a further advantageous embodiment of the invention, the fountain attachment has at least one lubrication channel running from the outside to the inside of the outer tube. Water for lubrication and cooling can penetrate between the outer and inner tube. The lubrication channel is preferably arranged so that it lies below the water level when the fountain is in use.

Gemäß einer weiteren bevorzugten Ausführungsform mündet der Schmierkanal in einer äußeren, umlaufenden Nut, in der ein Dichtungselement mit Untermaß angeordnet ist. Das Dichtungselement hält somit größere Schmutzpartikel ab, in den Schmierkanal einzudringen, wobei Wasser zum Schmieren und Kühlen den Kanal weiterhin passieren kann. Ein Zusetzen des Fontänenaufsatzes mit grobem Schmutz wird somit effektiv verhindert.According to a further preferred embodiment, the lubrication channel opens into an outer, circumferential groove in which a sealing element with an undersize is arranged. The sealing element thus prevents larger dirt particles from entering the lubrication channel, whereby water for lubrication and cooling can continue to pass through the channel. Clogging of the fountain attachment with coarse dirt is effectively prevented.

In einer weiteren Ausgestaltung der Erfindung weist das Außenrohr auf seiner Innenseite mehrere umlaufende Rillen zur Aufnahme von Schmutz auf. Somit werden vor allem kleinere Schmutzpartikel, die insbesondere nicht von dem Dichtungselement abgehalten werden, in den Rillen gesammelt, so dass die Bewegung der Rohre gegeneinander nicht gestört wird. In bestimmten Intervallen kann der Fontänenaufsatz auseinandergebaut und so der Schmutz aus den Rillen entfernt werden.In a further embodiment of the invention, the inside of the outer tube has a plurality of circumferential grooves for receiving dirt. Thus, especially smaller dirt particles, which in particular are not kept away from the sealing element, are collected in the grooves, so that the movement of the pipes against one another is not disturbed. The fountain attachment can be disassembled at certain intervals and the dirt can be removed from the grooves.

Insgesamt wird durch die vorliegende Erfindung ein Fontänenaufsatz bereitgestellt, der verschleißarm ein variables Wasserbild erzeugt, wobei auch höhere Drücke und/oder höhere Rotationsgeschwindigkeiten verwendet werden können, und der zudem leicht montiert und gewartet werden kann.Overall, the present invention provides a fountain attachment that generates a variable water image with little wear, higher pressures and / or higher rotational speeds can also be used, and which can also be easily assembled and maintained.

Weitere Vorteile und Einzelheiten sind den nachfolgend beschriebenen Ausführungsbeispielen zu entnehmen. In den schematischen Figuren zeigen:

Fig. 1
einen erfindungsgemäßen Fontänenaufsatz in einer teilweise geschnittenen Darstellung,
Fig. 2
ein Detail des Gegenstands aus Fig. 1,
Fig. 3
ein Detail des erfindungsgemäßen Gegenstands aus Fig. 1 in einer Explosionsdarstellung,
Fig. 4
das Detail aus Fig. 3 in einer zusammengebauten Querschnittsansicht,
Fig. 5
einen erfindungsgemäßen Fontänenaufsatz ähnlich Fig.1 in einer Draufsicht,
Fig. 6
den Gegenstand aus Fig. 5 in einer geschnittenen Darstellung,
Fig. 7
das Wasserbild des Gegenstands aus Fig. 6,
Fig. 8
den Gegenstand aus Fig. 5 mit nach oben verschobenem Außenrohr,
Fig. 9
das Wasserbild des Gegenstands aus Fig. 8, und
Fig. 10
eine Schnittdarstellung gemäß Fig. 6 mit herausgenommenem Innenrohr.
Further advantages and details can be found in the exemplary embodiments described below. The schematic figures show:
Fig. 1
a fountain attachment according to the invention in a partially sectioned representation,
Fig. 2
a detail of the item Fig. 1 .
Fig. 3
a detail of the object of the invention Fig. 1 in an exploded view,
Fig. 4
the detail out Fig. 3 in an assembled cross-sectional view,
Fig. 5
a fountain attachment according to the invention similar Fig.1 in a top view,
Fig. 6
the object Fig. 5 in a cut view,
Fig. 7
the water image of the object Fig. 6 .
Fig. 8
the object Fig. 5 with the outer tube shifted upwards,
Fig. 9
the water image of the object Fig. 8 , and
Fig. 10
a sectional view according to Fig. 6 with the inner tube removed.

Gleich oder ähnlich wirkende Teile sind - sofern dienlich - mit identischen Bezugsziffern versehen. Einzelne technische Merkmale der nachfolgend beschriebenen Ausführungsbeispiele können auch mit den Merkmalen der vorbeschriebenen Ausführungsbeispiele sowie den Merkmalen des Anspruchs 1 zur erfindungsgemäßen Weiterbildungen führen.Parts that have the same or similar effect are provided with identical reference numbers, if appropriate. Individual technical features of the exemplary embodiments described below can also lead to the further developments according to the invention with the features of the above-described exemplary embodiments and the features of claim 1.

Fig. 1 zeigt einen erfindungsgemäßen Fontänenaufsatz 2 mit einem Außenrohr 4 und einem Innenrohr 6, wobei ein im Innenrohr 6 angeordnetes und gegenüber diesem festgelegtes Prallelement 8, in Form eines Pralltellers, zusammen mit einer Innenseite 10 des Außenrohrs 4 eine Düse 12 ausbildet, deren Spaltgröße durch eine koaxiale Verschiebung V des Außenrohrs 4 gegenüber dem Innenrohr 6 entlang einer Ventilachse A eingestellt wird. Die koaxiale Verschiebung V wird durch eine Verdrehung R der Rohre 4, 6 gegeneinander bewirkt. Zu diesem Zweck ist das Innenrohr 6 auf einer Außenseite 13 mit zwei wellenförmig umlaufenden und zueinander parallel verlaufenden Führungskonturen 14 versehen, die mit durch Federn 16 vorgespannten Führungskugeln 18 zusammenwirken. Eine auf das Außenrohr 4 aufgebrachte Rotationsbewegung R wird durch die zusammenwirkenden Führungskugeln 18 und Führungskonturen 14 in die koaxiale Verschiebung V übersetzt. Fig. 1 shows a fountain attachment 2 according to the invention with an outer tube 4 and an inner tube 6, a baffle element 8 arranged in the inner tube 6 and fixed relative to it, in the form of a baffle plate, together with an inner side 10 of the outer tube 4 forming a nozzle 12, the gap size of which by a coaxial Displacement V of the outer tube 4 relative to the inner tube 6 along a valve axis A is set. The coaxial displacement V is caused by a rotation R of the tubes 4, 6 against each other. For this purpose, the inner tube 6 is provided on an outer side 13 with two wavy circumferential and mutually parallel guide contours 14 which cooperate with guide balls 18 preloaded by springs 16. A rotational movement R applied to the outer tube 4 is translated into the coaxial displacement V by the cooperating guide balls 18 and guide contours 14.

Fig. 2 zeigt die Führungskugeln 18 in Detailansicht, wobei nun auch das Innenrohr 6 geschnitten dargestellt ist. Zwischen den Federn 16 und den Führungskugeln 18 ist jeweils ein Andruckelement 19 angeordnet, das bessere Gleiteigenschaften aufweist als die Feder 16. Ein Fortsatz 20 des Andruckelements 19 ragt in eine Öffnung der Feder 16 hinein, wodurch diese stabilisiert wird. Gleichzeitig wird das Andruckelement 19 durch die den Fortsatz 20 umgebene Feder 16 besser geführt. Die Führungskugeln 18 sind federseitig mit jeweils einem eine sphärisch ausgebildete Lagerkontur aufweisenden Kugelwiderlager 22 gelagert, wobei die Feder 16 über das Andruckelement 19 durch eine Ausnehmung im Kugelwiderlager 22 auf die Führungskugeln 18 einwirken kann. Die Lagerkontur weist dabei einen leicht größeren Radius als die Führungskugel 18 auf. Die Führungskugeln 18 sind sowohl gegenüber den Führungskonturen 14 als auch gegenüber dem Kugelwiderlager 22 mit etwas Spiel gelagert, wodurch in die entsprechenden Zwischenräume Wasser zum Schmieren und Kühlen eindringen kann. Fig. 2 shows the guide balls 18 in a detailed view, with the inner tube 6 now also being shown in section. A pressure element 19, which has better sliding properties than the spring 16, is arranged between the springs 16 and the guide balls 18. An extension 20 of the pressure element 19 projects into an opening of the spring 16, thereby stabilizing it. At the same time, the pressure element 19 is better guided by the spring 16 surrounding the extension 20. The guide balls 18 are on the spring side, each with a spherical bearing contour having ball abutment 22, wherein the spring 16 can act on the guide balls 18 via the pressure element 19 through a recess in the ball abutment 22. The bearing contour has a slightly larger radius than the guide ball 18. The guide balls 18 are supported both with respect to the guide contours 14 and with respect to the ball abutment 22 with a little play, so that water for lubrication and cooling can penetrate into the corresponding spaces.

Damit zwischen Außenrohr 4 und Innenrohr 6 Wasser zum Schmieren und Kühlen eindringen kann, weist der Fontänenaufsatz 2 einen von einer Außenseite 24 zur Innenseite 10 des Außenrohres 4 verlaufenden Schmierkanal 26 auf. Der Schmierkanal 26 mündet nach außen hin in einer äußeren, umlaufenden Nut, in der ein Dichtungselement 28 mit Untermaß angeordnet ist, so dass zwar Wasser eindringen kann, jedoch größere Schmutzpartikel abgehalten werden. Auf der Innenseite 10 des Außenrohres 4 sind zudem mehrere umlaufende Rillen 30 vorhanden, in denen sich kleinere Schmutzpartikel ablagern können, die an dem Dichtungselement 28 vorbei in das Innere des Fontänenaufsatzes 2 gelangt sind, so dass die Schmierung nicht negativ beeinflusst wird.So that water for lubrication and cooling can penetrate between the outer tube 4 and the inner tube 6, the fountain attachment 2 has a lubrication channel 26 running from an outer side 24 to the inner side 10 of the outer tube 4. The lubrication channel 26 opens outwards into an outer, circumferential groove in which a sealing element 28 with an undersize is arranged, so that water can penetrate, but larger dirt particles are prevented. On the inside 10 of the outer tube 4 there are also a plurality of circumferential grooves 30 in which smaller dirt particles can be deposited, which have passed the sealing element 28 into the interior of the fountain attachment 2, so that the lubrication is not negatively influenced.

Feder 16 und Andruckelement 19 sind gemeinsam in einem Gehäuseelement 32 geführt gelagert. Das Gehäuseelement 32 ist herausnehmbar und ermöglicht eine einfache Wartung und insbesondere die bequeme Auswechslung von Federn 16 und Andruckelementen 19. Zudem wird das Kugelwiderlager 22 von dem Gehäuseelement 32 mit ausgebildet, so dass auch diese durch Abnehmen des Gehäuseelements 32 zugänglich sind.Spring 16 and pressure element 19 are mounted together in a housing element 32. The housing element 32 is removable and enables easy maintenance and in particular the convenient replacement of springs 16 and pressure elements 19. In addition, the ball abutment 22 is removed from the housing element 32 formed with, so that these are accessible by removing the housing element 32.

Das Gehäuseelement 32 weist einen durchgehenden Kanal 33 (s. Fig. 4) zur Aufnahme der Federn 16 auf, der durch einen Verschluss 34 von außen geschlossen werden kann. Durch das Abnehmen des Verschlusses 34 können so die Federn 16 aus dem Gehäuseelement 32 herausgenommen werden, ohne dieses selbst herauszunehmen.The housing element 32 has a continuous channel 33 (s. Fig. 4 ) for receiving the springs 16, which can be closed from the outside by a closure 34. By removing the closure 34, the springs 16 can thus be removed from the housing element 32 without removing it itself.

Fig. 3 zeigt das Gehäuseelement 32 mit den Elementen, die zumindest teilweise darin gelagert werden, in einer Explosionsdarstellung. Zur Befestigung des Gehäuseelements 32 an dem Außenrohr 4 sind vier Öffnungen 36 für Befestigungsmittel vorgesehen. Zur Befestigung des Verschlusses 34 an dem Gehäuseelement 32 können entsprechende Öffnungen bzw. Gewinde vorgesehen sein. Fig. 3 shows the housing element 32 with the elements, which are at least partially stored therein, in an exploded view. Four openings 36 for fastening means are provided for fastening the housing element 32 to the outer tube 4. Corresponding openings or threads can be provided for fastening the closure 34 to the housing element 32.

Wie in Fig. 4 zu sehen ist, weist das Gehäuseelement 32 ferner eine an den Außenradius des Innenrohrs 6 angepasste Grenzkontur 38 auf. Zudem ist das Gehäuseelement 32 mit zwei seitlich des Kugelwiderlagers 22 (nicht gezeigt) angeordneten Flanschflanken 40 versehen, in deren Bereich die Öffnungen 36 (nicht gezeigt) für Befestigungsmittel angeordnet sind.As in Fig. 4 can be seen, the housing element 32 furthermore has a boundary contour 38 which is adapted to the outer radius of the inner tube 6. In addition, the housing element 32 is provided with two flange flanks 40 arranged on the side of the ball abutment 22 (not shown), in the area of which the openings 36 (not shown) for fastening means are arranged.

Fig. 5 zeigt einen erfindungsgemäßen Fontänenaufsatz 2 mit einem unter dem Außenrohr 4 angeordneten Antriebssegment 42, das über eine Zahnkontur 44 angetrieben werden kann. Eine auf das Antriebssegment 42 aufgebrachte Rotationsbewegung R um die Ventilachse A wird über Mitnehmer 46 auf das Außenrohr 4 übertragen. Die in den Gehäuseelementen 32 gelagerten Führungskugeln 18 (nicht gezeigt) übertragen die Rotationsbewegung R in eine koaxiale Verschiebung V des Außenrohrs 4 gegenüber dem feststehenden Innenrohr 6, von dem nur der Prallteller 8 zu sehen ist. Im Bereich der Mitnehmer 46 ermöglichen entsprechende Schlitze 48 eine Auf- und Abbewegung des Außenrohres 4. Fig. 5 shows a fountain attachment 2 according to the invention with a drive segment 42 arranged under the outer tube 4, which can be driven via a tooth contour 44. A rotational movement applied to the drive segment 42 R about the valve axis A is transmitted to the outer tube 4 via driver 46. The guide balls 18 (not shown) mounted in the housing elements 32 transmit the rotational movement R into a coaxial displacement V of the outer tube 4 with respect to the fixed inner tube 6, of which only the baffle plate 8 can be seen. In the area of the drivers 46, corresponding slots 48 enable the outer tube 4 to move up and down.

Fig. 6 zeigt den Gegenstand aus Fig. 5 in einer Schnittdarstellung. Das Prallelement 8 ist über einen Schaft 50 an dem Innenrohr 6 festgelegt. Am unteren Ende des Schafts 50 befindet sich ein aus mehreren Flügeln bestehender Strömungsrichter 52. Das Innenrohr 6 ist an einem Wassereinlassstutzen 54 über ein Schraubgewinde festgelegt. Das Antriebsmodul 42 ist über Kugellager 56 gegenüber dem Einlassstutzen 54 um die Ventilachse A drehbar gelagert. Das Prallelement 8 und die Innenseite 10 des Außenrohres 4 bilden die Düse 12 aus. Die Führungskugeln 18 befinden sich bezüglich der Führungskontur 14 in der tiefstmöglichen Position, so dass das Außenrohr 4 in Axialrichtung am weitesten von dem Prallelement 8 entfernt ist und das Wasser in einer eher horizontalen Richtung H aus der Düse 12 entweicht. Das entsprechende Wasserbild ist in Fig. 7 dargestellt. Fig. 6 shows the item Fig. 5 in a sectional view. The impact element 8 is fixed to the inner tube 6 via a shaft 50. At the lower end of the shaft 50 there is a flow straightener 52 consisting of a plurality of vanes. The inner tube 6 is fixed to a water inlet connection 54 via a screw thread. The drive module 42 is rotatably mounted about the valve axis A with respect to the inlet connection 54 via ball bearings 56. The impact element 8 and the inside 10 of the outer tube 4 form the nozzle 12. The guide balls 18 are located in the lowest possible position with respect to the guide contour 14, so that the outer tube 4 is the farthest away from the impact element 8 in the axial direction and the water escapes from the nozzle 12 in a more horizontal direction H. The corresponding water picture is in Fig. 7 shown.

Hingegen ist in Fig. 8 das Außenrohr 4 in seiner höchstmöglichen Position dargestellt, wobei die Innenseite 10 des Außenrohrs 4 das Prallelement seitlich umgrenzt, so dass Wasser in einer im Wesentlichen vertikal verlaufenden Richtung V' die Düse 12 verlässt. Das entsprechende Wasserbild ist in Fig. 9 dargestellt.In contrast, is in Fig. 8 the outer tube 4 is shown in its highest possible position, the inner side 10 of the outer tube 4 laterally delimiting the impact element, so that water leaves the nozzle 12 in a substantially vertical direction V ′. The corresponding water picture is in Fig. 9 shown.

Fig. 10 zeigt den Gegenstand aus Fig. 6 mit herausgenommenem Innenrohr 6. Zu sehen ist, dass bezüglich der Ventilachse A in Umfangsrichtung vier Gehäuseelemente 32 mit jeweils zwei je mit einer Führungskontor 14 zusammenwirkenden Führungskugeln 18 vorgesehen sind. Das Außenrohr 4 weist zudem auf seiner Innenseite 10 mehrere umlaufende Rillen 30 zur Aufnahme von Schmutz auf. Fig. 10 shows the item Fig. 6 with the inner tube 6 removed. It can be seen that, with respect to the valve axis A, four housing elements 32 are provided in the circumferential direction, each with two guide balls 18 each interacting with a guide contour 14. The outer tube 4 also has a plurality of circumferential grooves 30 on its inside 10 for receiving dirt.

Claims (13)

Fontänenaufsatz (2) für Wasserspiele mit einer verstellbaren Düse (12), deren Spaltgröße durch eine koaxiale Verschiebung (V) eines Außenrohrs (4) gegenüber einem Innenrohr (6) eingestellt wird, wobei zur koaxialen Verschiebung (V) zwischen Außenrohr (4) und Innenrohr (6) durch eine Verdrehung (R) der Rohre (4, 6) gegeneinander zumindest eine durch wenigstens eine Feder (16) vorgespannte bewegliche Führungskugel (18) mit einer Führungskontur (14) zusammenwirkt, dadurch gekennzeichnet, dass zwischen der Feder (16) und der Führungskugel (18) ein Andruckelement (19) angeordnet ist.Fountain attachment (2) for water features with an adjustable nozzle (12), the gap size of which is set by means of a coaxial displacement (V) of an outer tube (4) relative to an inner tube (6), the coaxial displacement (V) between the outer tube (4) and Inner tube (6) interacts by rotating (R) the tubes (4, 6) with respect to one another at least one movable guide ball (18) pretensioned by at least one spring (16) with a guide contour (14), characterized in that between the spring (16 ) and the guide ball (18) a pressure element (19) is arranged. Fontänenaufsatz (2) nach Anspruch 1, dadurch gekennzeichnet, dass die insbesondere als Spiralfeder ausgebildete Feder (16) eine Öffnung aufweist und das Andruckelement (19) einen Fortsatz (20) aufweist, der in die Öffnung der Feder (16) eingreift.Fountain attachment (2) according to Claim 1, characterized in that the spring (16) , which is designed in particular as a spiral spring, has an opening and the pressure element (19) has an extension (20) which engages in the opening of the spring (16). Fontänenaufsatz (2) nach Anspruch 1 oder 3, dadurch gekennzeichnet, dass die zumindest eine Führungskugel (18) federseitig in einem eine bereichsweise sphärisch ausgebildete Lagerkontur aufweisenden Kugelwiderlager (22) gelagert ist, wobei die Lagerkontur einen leicht größeren Radius als die Führungskugel (18) aufweist.Fountain attachment (2) according to claim 1 or 3, characterized in that the at least one guide ball (18) is mounted on the spring side in a spherical abutment (22) having a spherical bearing contour, the bearing contour having a slightly larger radius than the guide ball (18) having. Fontänenaufsatz (2) nach einem der vorherigen Ansprüche, gekennzeichnet durch ein Gehäuseelement (32), in dem die Feder (16) und das Andruckelement (19) geführt gelagert sind.Fountain attachment (2) according to one of the preceding claims, characterized by a housing element (32) in which the spring (16) and the pressure element (19) are mounted in a guided manner. Fontänenaufsatz (2) nach Anspruch 3 und 4, dadurch gekennzeichnet, dass das Kugelwiderlager (22) Teil des Gehäuseelements (32) ist.Fountain attachment (2) according to claim 3 and 4, characterized in that the ball abutment (22) is part of the housing element (32). Fontänenaufsatz (2) nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass das Gehäuseelement (32) einen durchgehenden Kanal (33) zur Aufnahme der Feder (16) aufweist, der durch einen Verschluss (34) von außen geschlossen werden kann.Fountain attachment (2) according to claim 4 or 5, characterized in that the housing element (32) has a continuous channel (33) for receiving the spring (16) which can be closed from the outside by a closure (34). Fontänenaufsatz (2) nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet, dass das Gehäuseelement (32) eine an den Außenradius des Innenrohrs (6) angepasste Grenzkontur (38) aufweist.Fountain attachment (2) according to one of claims 4 to 6, characterized in that the housing element (32) has a boundary contour (38) adapted to the outer radius of the inner tube (6). Fontänenaufsatz (2) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die umlaufende Führungskontur (14) derart ausgebildet ist, dass pro Umdrehung mehrere koaxiale Verschiebungen (V) auf und ab realisiert werden.Fountain attachment (2) according to one of the preceding claims, characterized in that the circumferential guide contour (14) is designed such that several coaxial displacements (V) up and down are realized per revolution. Fontänenaufsatz (2) nach einem der vorherigen Ansprüche, gekennzeichnet durch zumindest zwei umlaufende Führungskonturen (14).Fountain attachment (2) according to one of the preceding claims, characterized by at least two circumferential guide contours (14). Fontänenaufsatz (2) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass zumindest zwei, bevorzugt drei, besonders bevorzugt vier, Führungskugeln (18) mit jeweils einer umlaufenden Führungskontur (14) zusammenwirken.Fountain attachment (2) according to one of the preceding claims, characterized in that at least two, preferably three, particularly preferably four, guide balls (18) each interact with a circumferential guide contour (14). Fontänenaufsatz (2) nach einem der vorherigen Ansprüche, gekennzeichnet durch zumindest einen von der Außenseite (24) zur Innenseite (10) des Außenrohres (4) verlaufenden Schmierkanal (26).Fountain attachment (2) according to one of the preceding claims, characterized by at least one lubrication channel (26) running from the outside (24) to the inside (10) of the outer tube (4). Fontänenaufsatz (2) nach Anspruch 11, dadurch gekennzeichnet, dass der Schmierkanal (26) in einer äußeren, umlaufenden Nut mündet, in der ein Dichtungselement (28) mit Untermaß angeordnet ist.Fountain attachment (2) according to claim 11, characterized in that the lubrication channel (26) opens into an outer, circumferential groove in which a sealing element (28) with undersize is arranged. Fontänenaufsatz (2) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet dass das Außenrohr (4) auf seiner Innenseite (10) mehrere umlaufende Rillen (30) zur Aufnahme von Schmutz aufweist.Fountain attachment (2) according to one of the preceding claims, characterized in that the outer tube (4) has a plurality of circumferential grooves (30) on its inside (10) for receiving dirt.
EP19187621.8A 2018-08-09 2019-07-22 Fountain attachment for water-based games with an adjustable nozzle Active EP3608027B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018119424.2A DE102018119424A1 (en) 2018-08-09 2018-08-09 Fountain attachment for water games with an adjustable nozzle

Publications (2)

Publication Number Publication Date
EP3608027A1 true EP3608027A1 (en) 2020-02-12
EP3608027B1 EP3608027B1 (en) 2021-03-31

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EP19187621.8A Active EP3608027B1 (en) 2018-08-09 2019-07-22 Fountain attachment for water-based games with an adjustable nozzle

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US (1) US11097288B2 (en)
EP (1) EP3608027B1 (en)
CN (1) CN110385215A (en)
DE (1) DE102018119424A1 (en)

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DE102020101238A1 (en) * 2020-01-20 2021-07-22 Oase Gmbh Water game to create an illuminated water image

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AU418454B2 (en) * 1966-09-09 1971-11-01 Kurita Water Industries Ltd Apparatus for producing a fountain
DE8909482U1 (en) * 1989-08-07 1989-11-02 Dambroth, Jürgen P., Dipl.-Ing., 3013 Barsinghausen Plant watering device with modulation of water outlet shape

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JPH0710397B2 (en) * 1988-08-22 1995-02-08 新明和工業株式会社 Fountain
JPH0710397A (en) 1993-06-29 1995-01-13 Hitachi Building Syst Eng & Service Co Ltd Operation controller for elevator
US6007001A (en) * 1997-12-17 1999-12-28 Amhi Corporation Autofog nozzle
FR2801799B1 (en) * 1999-12-07 2002-01-04 Pok Soc FIRE HOSE
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US7097120B2 (en) * 2001-11-29 2006-08-29 Watershield Llc Hose nozzle apparatus and method
WO2009076489A2 (en) * 2007-12-12 2009-06-18 Elkhart Brass Manufacturing Company, Inc. Smooth bore nozzle with adjustable bore
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CN207378005U (en) 2017-09-27 2018-05-18 玉环市润浩机械股份有限公司 A kind of anti-slip fulcrum bearing

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Publication number Priority date Publication date Assignee Title
US2560278A (en) * 1947-08-16 1951-07-10 F H Smith Mfg Company Adjustable nozzle
US2938673A (en) * 1958-05-02 1960-05-31 Akron Brass Mfg Co Inc Nozzle
AU418454B2 (en) * 1966-09-09 1971-11-01 Kurita Water Industries Ltd Apparatus for producing a fountain
DE8909482U1 (en) * 1989-08-07 1989-11-02 Dambroth, Jürgen P., Dipl.-Ing., 3013 Barsinghausen Plant watering device with modulation of water outlet shape

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EP3608027B1 (en) 2021-03-31
CN110385215A (en) 2019-10-29
DE102018119424A1 (en) 2020-02-13
US20200047193A1 (en) 2020-02-13
US11097288B2 (en) 2021-08-24

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