EP1469949B1 - Watering system - Google Patents

Watering system Download PDF

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Publication number
EP1469949B1
EP1469949B1 EP03737274A EP03737274A EP1469949B1 EP 1469949 B1 EP1469949 B1 EP 1469949B1 EP 03737274 A EP03737274 A EP 03737274A EP 03737274 A EP03737274 A EP 03737274A EP 1469949 B1 EP1469949 B1 EP 1469949B1
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EP
European Patent Office
Prior art keywords
sprinkler
covering
cover
shaft
actuating device
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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
Application number
EP03737274A
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German (de)
French (fr)
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EP1469949A1 (en
Inventor
Christoph Schiedt
Ralf Claus
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Gardena Manufacturing GmbH
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Gardena Manufacturing GmbH
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Publication of EP1469949A1 publication Critical patent/EP1469949A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
    • B05B3/0409—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements
    • B05B3/0418—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine
    • B05B3/0422—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine with rotating outlet elements
    • B05B3/0431—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet with moving, e.g. rotating, outlet elements comprising a liquid driven rotor, e.g. a turbine with rotating outlet elements the rotative movement of the outlet elements being reversible
    • B05B3/044—Tubular elements holding several outlets, e.g. apertured tubes, oscillating about an axis substantially parallel to the tubular element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/14—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts
    • B05B15/16—Arrangements for preventing or controlling structural damage to spraying apparatus or its outlets, e.g. for breaking at desired places; Arrangements for handling or replacing damaged parts for preventing non-intended contact between spray heads or nozzles and foreign bodies, e.g. nozzle guards

Definitions

  • the invention relates to an irrigation device with a sprinkler, in particular for garden irrigation.
  • Garden irrigation devices with a sprinkler are known in various forms, whereby devices can be distinguished with freely deployable sprinkler-fed sprinklers and stationary sprinkler systems powered by fixed conduits.
  • a freely deployable sprinkler are in particular about a vertical axis pivotable Kreisregner and Sektorregner or pivotable about a horizontal axis square sprinklers common.
  • pop-up sprinklers which are protected at rest in a sunken into the ground sleeve and emerge at water supply against a return spring force from the sleeve upwards.
  • the sprinkler head At the top, the sprinkler head has a closed cap that can be entered when lowered. The laterally directed below the cap nozzle assembly is protected at rest in the sleeve.
  • the pop-up sprinklers are known as circle or sector sprinklers. Such a pop-up sprinkler is eg from the US 5,823,439 known.
  • the accessible sprinkler head cup-shaped extended and forms a receptacle for a naturally grown grass cushion.
  • the EP 0 635 202 A1 shows a sprinkler arrangement in which a recessed in the ground shaft through a manually operable cover plate is closed.
  • a sprinkler is recessed in hibernation without water connection in the shaft housing. After opening the cover
  • the sprinkler may be manually displaceable into a work position projecting beyond the floor, in which a lateral connection for connection to a hose is accessible as a water supply line.
  • the FR 517 765 A describes an automatic irrigation device which, among other things, has a sprinkling arrangement arranged in a bottom shaft under a cover.
  • a sprinkling arrangement arranged in a bottom shaft under a cover.
  • a known lawn sprinkler is also described a piston assembly and a liftable by this cover over a nozzle assembly.
  • the end of the piston rod abuts against the inner wall of the cover.
  • the cover is closed after elimination of the water pressure from an open inclination by its own weight and / or by a closing rod connected to the piston rod.
  • a supply line to the nozzle assembly is released only when the cover is largely raised.
  • an underfloor wind turbine for airport runways in which a pivotable cover is lifted above a jet nozzle by means of the piston of a lifting fluid controlled by the operating fluid.
  • a pivotable cover is lifted above a jet nozzle by means of the piston of a lifting fluid controlled by the operating fluid.
  • Known fire protection device is located under a cover jet nozzle with water supply by a Hubkolbenvoriques together with the cover can be raised, wherein the linear vertical movement of the jet nozzle is coupled via an articulated lever assembly with the pivotal movement of the cover.
  • the present invention has for its object to provide an irrigation device with improved mechanics of an automatically liftable cover.
  • the invention while retaining the advantages of stationary sprinklers, allows for a greater variety of sprinkler design, in particular sprinklers with upwardly directed nozzles may be used, the nozzle assembly of which is protected by the duct cover at rest.
  • the invention is particularly advantageous in the possible use of covered square sprinklers in which the sprinkler head is pivotable about a horizontal axis.
  • the cover is advantageously able to withstand foot traffic and can be driven on with common vehicles as far as lawn tractors.
  • the sprinkler By automatically opening the cover by means of an actuator when water is supplied to the sprinkler via a pressurizable supply wrong operation is excluded.
  • the sprinkler arranged in the shaft at rest is reliably protected against damage and contamination.
  • the opening of the cover is preferably carried out against a closing restoring force, in particular a spring force.
  • the sprinkler can thereby also be put into operation in a simple manner by opening a valve remote from the location of the sprinkler and connected thereto via a pipe or hose line.
  • the restoring force can be advantageously applied by a spring, in particular a leg spring assembly with a bend at the pivot axis.
  • the cover is also displaceable in the opening direction independently of the action of the actuating device, so that e.g. when the sprinkler is out of operation, the cover can be opened manually and / or when under the action of the actuator in the open position or an intermediate position befind Anlagen, over the bottom surface rising cover this can yield under mechanical action, so as not to be damaged.
  • it can be provided in particular that an actuating element on the side of the actuating device and a contact element on the side of the cover abut each other and the contact element can be lifted from the actuating element.
  • the cover can be displaced in the closing direction under mechanical action counter to the opening force of the actuating device, for example by the power transmission between the actuator and cover with the interposition of a spring element is carried out or preferably the opening force of the actuator is overcome by the closing action acting without destroying the cover or other elements.
  • a preferred embodiment provides that the actuating device a displaceable under the pressure of water supplied actuating element such. a variable-length bellows, an elastic membrane or preferably a displaceable in a cylinder piston.
  • Fig. 1 is shown in side view as a sectional view of an irrigation device, in which a shaft housing SCH is sunk in a bottom surface BF, for example, a lawn.
  • the shaft has upwards a large shaft opening SO, which is covered by a drawn in the closed position cover DE.
  • the cover DE is pivotally mounted about a horizontal pivot axis DA on one side of the shaft housing.
  • the lid is pressed into the closed position by a spring force, in particular a leg spring SF supported on the shaft housing and on the cover and, for example, wound several times around the pivot axis DA.
  • the lid DE is in the closed state outlined approximately at the level of the bottom surface, so that the committing of the bottom surface BF or e.g. An editing such as lawn mowing are not hindered by the device.
  • the lid is so stable that at least one person can step on it without damaging it or other elements of the manhole.
  • the lid is also passable through devices to a lawn tractor.
  • the cover DE can be pivoted against the spring force about the axis DA upwards and thereby releases the shaft opening so.
  • a sprinkler RE is arranged, which in the preferred example outlined is a square sprinkler with a sprinkler head RK periodically pivoted about a horizontal sprinkler axis RA during operation by means of a water-driven swivel gear GE.
  • Via a preferably fixed in the ground pressure line can be fed to the sprinkler via a feeder located in the bottom of the shaft ZL water with an inlet pressure of typically a few bar.
  • a filter FI keeps dirt particles back, which could impair the function of the gearbox GE or block the sprinkler nozzles DU.
  • the actuating device advantageously contains a piston KO displaceable in a cylinder KZ, which is acted upon on one side by the water pressure in the side channel.
  • the piston KO is sealed by a seal DI against the cylinder KZ.
  • Fig. 1 outlined variant of the actuator is applied to the side channel contact surface AF of the piston KO on a cam surface KU of a cover connected to the transmission element UE.
  • the lid With a displacement of the piston upwards under the action of an increasing water pressure, the lid is pivoted upwards until it reaches the maximum in Fig. 2 sketched opening position occupies, in which the piston rests against an upper stop of the cylinder.
  • the restoring force of the leg spring SF presses the piston downwards via the transmission element UE with the cam surface KU sliding on the piston contact surface and the cover closes the shaft opening again in the absence of overpressure in the supply line.
  • the sprinkler RE With the lid DE open, the sprinkler RE is in operation at the same time without any additional measures for the time being.
  • the lid can thereby be easily opened by hand, in particular in order to perform cleaning, repair or adjustment work on the device when the sprinkler is out of operation.
  • the lid opened by water pressure on the piston can be accidentally kicked by a user or a similar action from the in Fig. 2 sketched opening position continue to dodge in the direction of arrow TT without the cover itself or its connection of the actuator is damaged.
  • the pivot axis DE of the lid is simply hooked in the sketched example in a bearing fork of the shaft housing and held in this by the bias of the leg spring and / or latching.
  • Fig. 3 is exemplified the connection of a piston with the lid on a deflectable push link chain SG.
  • Fig. 4 shows a view of an irrigation device from above without a lid.
  • the sprinkler is designed according to a preferred embodiment as a quad sprinkler, the sprinkler head RK is pivoted during operation by the gear GE about the horizontal pivot axis RA oscillating between two preferably adjustable end positions, as indicated by the arrows SR.
  • the shaft interior preferably allows the rotation of the sprinkler about the vertical axis VA, so that even with a fixed aligned shaft adjustment or change in the orientation of the pivot axis of the sprinkler is possible, as indicated by arrows VR.
  • the nozzle arrangement of the sprinkler head with a plurality of individual nozzles DU shows in the example sketched a central nozzle block with a nozzle double row, which is followed by double-row nozzle rows, whose individual nozzles can be individually clamped.
  • the sprinkler itself is not vertically raised in the example of a square sprinkler in operation compared to the rest position. Such an increase may be additionally provided.

Landscapes

  • Catching Or Destruction (AREA)
  • Nozzles (AREA)
  • Glass Compositions (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Fluid-Driven Valves (AREA)
  • Manufacturing Of Electric Cables (AREA)

Abstract

The invention relates to a watering system comprising a sprinkler (RE) which is especially used to water lawns. According to the invention, the sprinkler (RE) is arranged in a shaft which is sunk into the ground, the upwardly oriented opening of the shaft being covered by a cover (DE) which can be walked on and which frees said opening for the operation of the sprinkler (RE). Preferably, the cover (DE) is automatically opened by the water pressure in a feeding pipe (ZL) leading to the sprinkler.

Description

Die Erfindung betrifft eine Bewässerungseinrichtung mit einem Regner, insbesondere zur Gartenbewässerung.The invention relates to an irrigation device with a sprinkler, in particular for garden irrigation.

Gartenbewässerungseinrichtungen mit einem Regner sind in verschiedener Form bekannt, wobei Einrichtungen mit frei aufstellbaren über einen ausgelegten Schlauch versorgten Regnern und Einrichtungen mit stationären Regnern, welche über fest verlegte Leitungen versorgt sind, unterschieden werden können. Als frei aufstellbare Regner sind insbesondere um eine vertikale Achse schwenkbare Kreisregner und Sektorenregner oder um eine horizontale Achse schwenkbare Viereckregner gebräuchlich.Garden irrigation devices with a sprinkler are known in various forms, whereby devices can be distinguished with freely deployable sprinkler-fed sprinklers and stationary sprinkler systems powered by fixed conduits. As a freely deployable sprinkler are in particular about a vertical axis pivotable Kreisregner and Sektorregner or pivotable about a horizontal axis square sprinklers common.

Für stationär angeordnete Regner sind insbesondere Versenkregner (pop-up-Regner) bekannt, welche im Ruhezustand in einer in den Boden eingesenkten Hülse geschützt sind und bei Wasserzufuhr entgegen einer Rückstellfederkraft aus der Hülse nach oben heraustreten. Der Regnerkopf weist oben eine geschlossene, in abgesenktem Zustand betretbare Kappe auf. Die unterhalb der Kappe seitlich gerichtete Düsenanordnung ist im Ruhezustand in der Hülse geschützt. Die Pop-up-Regner sind als Kreis- oder Sektorenregner bekannt. Ein derartiger pop-up-Regner ist z.B. aus der US 5,823,439 bekannt.For stationary arranged sprinklers in particular pop-up sprinklers are known, which are protected at rest in a sunken into the ground sleeve and emerge at water supply against a return spring force from the sleeve upwards. At the top, the sprinkler head has a closed cap that can be entered when lowered. The laterally directed below the cap nozzle assembly is protected at rest in the sleeve. The pop-up sprinklers are known as circle or sector sprinklers. Such a pop-up sprinkler is eg from the US 5,823,439 known.

Bei einem in der DE 84 31 889 U1 beschriebenen Versenkregner ist der betretbare Regnerkopf napfförmig erweitert und bildet eine Aufnahme für ein natürlich gewachsenes Graspolster.At one in the DE 84 31 889 U1 described sprinkler, the accessible sprinkler head cup-shaped extended and forms a receptacle for a naturally grown grass cushion.

Die EP 0 635 202 A1 zeigt eine Sprinkleranordnung, bei welcher ein im Boden versenkter Schacht durch eine manuell betätigbare Abdeckplatte verschließbar ist. Ein Sprinkler ist im Ruhezustand ohne Wasseranschluss im Schachtgehäuse versenkt. Nach Öffnen der Abdeckklappe kann der Sprinkler in eine über den Boden hinausragende Arbeitsposition manuell verlagerbar sein, in welcher ein seitlicher Anschluss zur Verbindung mit einem Schlauch als Wasserzuleitung zugänglich ist.The EP 0 635 202 A1 shows a sprinkler arrangement in which a recessed in the ground shaft through a manually operable cover plate is closed. A sprinkler is recessed in hibernation without water connection in the shaft housing. After opening the cover For example, the sprinkler may be manually displaceable into a work position projecting beyond the floor, in which a lateral connection for connection to a hose is accessible as a water supply line.

In der US 3,929,288 ist eine in einem versenkten und mit einem abnehmbaren Deckel verschlossenen Schacht angeordnete Leitungsabzweigung beschrieben, an welche nach Abnahme des Deckels ein Verbrauchergerät, z.B. ein Sprinkler, angeschlossen werden kann.In the US 3,929,288 is described in a sunk and sealed with a removable cover shaft arranged branching, to which after removal of the lid, a consumer device, such as a sprinkler, can be connected.

Die FR 517 765 A beschreibt eine automatische Bewässerungseinrichtung, welche unter anderem eine in einem Bodenschacht angeordnete Beregnungsanordnung unter einer Abdeckung aufweist. Bei Zuführung von Wasser zu der Beregnungsanordnung werden durch das Wasser zwei Kolben in Zylindern entgegen den Rückstellkräften von in den Kolben angeordneten Druckfedern nach oben verschoben und die mit den Kolbenstangen verbundene Abdeckung angehoben.The FR 517 765 A describes an automatic irrigation device which, among other things, has a sprinkling arrangement arranged in a bottom shaft under a cover. When water is supplied to the irrigation arrangement, two pistons in cylinders are displaced upwards against the restoring forces of compression springs arranged in the pistons and the cover connected to the piston rods is raised by the water.

Bei einem aus der DE 25 17 999 A bekannten Rasensprenger ist gleichfalls eine Kolbenanordnung und eine durch diese anhebbare Abdeckung über einer Düsenanordnung beschrieben. Das Ende der Kolbenstange liegt an der Innenwand der Abdeckung an. Die Abdeckung wird nach Wegfall des Wasserdrucks aus einer geöffneten Schrägstellung durch ihr Eigengewicht und/oder durch eine mit der Kolbenstange verbundene Schließleine geschlossen. Eine Zuleitung zu der Düsenanordnung wird erst freigegeben, wenn die Abdeckung weitgehend angehoben ist.At one of the DE 25 17 999 A known lawn sprinkler is also described a piston assembly and a liftable by this cover over a nozzle assembly. The end of the piston rod abuts against the inner wall of the cover. The cover is closed after elimination of the water pressure from an open inclination by its own weight and / or by a closing rod connected to the piston rod. A supply line to the nozzle assembly is released only when the cover is largely raised.

Aus der DE 636 905 C ist eine Unterflurberegnungsanlage z.B. für Flughafen-Rollfelder bekannt, bei welcher eine schwenkbare Abdeckung über einer Strahldüse mittels des Kolbens einer von der Betriebsflüssigkeit gesteuerten Hebevorrichtung angehoben wird. Bei einer aus der JP 07 328141 A bekannten Feuerschutzeinrichtung ist eine unter einer Abdeckung befindliche Strahldüse bei Wasserzufuhr durch eine Hubkolbenvorrichtung gemeinsam mit der Abdeckung anhebbar, wobei die lineare Vertikalbewegung der Strahldüse über eine Gelenkhebelanordnung mit der Schwenkbewegung der Abdeckung gekoppelt ist.From the DE 636 905 C For example, an underfloor wind turbine is known for airport runways in which a pivotable cover is lifted above a jet nozzle by means of the piston of a lifting fluid controlled by the operating fluid. At one of the JP 07 328141 A Known fire protection device is located under a cover jet nozzle with water supply by a Hubkolbenvorrichtung together with the cover can be raised, wherein the linear vertical movement of the jet nozzle is coupled via an articulated lever assembly with the pivotal movement of the cover.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Bewässerungseinrichtung mit verbesserter Mechanik einer automatisch anhebbaren Abdeckung anzugeben.The present invention has for its object to provide an irrigation device with improved mechanics of an automatically liftable cover.

Die Erfindung ist im Patentanspruch 1 beschrieben. Die abhängigen Ansprüche enthalten vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung.The invention is described in claim 1. The dependent claims contain advantageous refinements and developments of the invention.

Die Erfindung ermöglicht bei Beibehaltung der Vorteile der stationären Regner eine größere Variationsbreite bei der Gestaltung von Regnern, insbesondere können Regner mit nach oben gerichteten Düsen zum Einsatz kommen, deren Düsenanordnung im Ruhezustand durch die Schachtabdeckung geschützt ist. Besonders vorteilhaft ist die Erfindung beim dadurch möglichen Einsatz von abgedeckten Viereckregnern, bei welchen der Regnerkopf um eine horizontale Achse schwenkbar ist. Die Abdeckung ist vorteilhafterweise trittbelastbar und mit gängigen Fahrzeugen bis hin zu Rasentraktoren befahrbar.The invention, while retaining the advantages of stationary sprinklers, allows for a greater variety of sprinkler design, in particular sprinklers with upwardly directed nozzles may be used, the nozzle assembly of which is protected by the duct cover at rest. The invention is particularly advantageous in the possible use of covered square sprinklers in which the sprinkler head is pivotable about a horizontal axis. The cover is advantageously able to withstand foot traffic and can be driven on with common vehicles as far as lawn tractors.

Durch automatische Öffnung der Abdeckung mittels einer Betätigungsvorrichtung bei Wasserzufuhr zum Regner über eine druckbeaufschlagbare Zuleitung ist eine Falschbedienung ausgeschlossen. Vorzugsweise ist durch automatisches Verschließen der Abdeckung nach Wegnahme des Wasserdrucks in der Zuleitung der im Schacht angeordnete Regner im Ruhezustand zuverlässig gegen Beschädigungen und Verschmutzung geschützt. Die Öffnung der Abdeckung erfolgt dabei vorzugsweise entgegen einer schließenden Rückstellkraft, insbesondere einer Federkraft. Der Regner kann dadurch auch auf einfache Weise durch Öffnen eines vom Ort des Regners entfernten und mit diesem über eine Rohr- oder Schlauchleitung verbundenen Ventils in Betrieb gesetzt werden.By automatically opening the cover by means of an actuator when water is supplied to the sprinkler via a pressurizable supply wrong operation is excluded. Preferably, by automatically closing the cover after removal of the water pressure in the supply line, the sprinkler arranged in the shaft at rest is reliably protected against damage and contamination. The opening of the cover is preferably carried out against a closing restoring force, in particular a spring force. The sprinkler can thereby also be put into operation in a simple manner by opening a valve remote from the location of the sprinkler and connected thereto via a pipe or hose line.

Bei bevorzugter Ausführung der Abdeckung als um eine vorzugsweise horizontale Schwenkachse schwenkbarer Deckel kann die Rückstellkraft vorteilhafterweise durch eine Feder, insbesondere eine Schenkelfederanordnung mit einer Umbiegung bei der Schwenkachse aufgebracht werden.In a preferred embodiment of the cover as pivotable about a preferably horizontal pivot axis lid, the restoring force can be advantageously applied by a spring, in particular a leg spring assembly with a bend at the pivot axis.

Vorteilhafterweise ist die Abdeckung auch unabhängig von der Einwirkung der Betätigungsvorrichtung in Öffnungsrichtung verlagerbar, so dass z.B. bei außer Betrieb befindlichem Regner die Abdeckung manuell geöffnet werden kann und/oder bei unter Einwirkung der Betätigungsvorrichtung in Öffnungsstellung oder einer Zwischenstellung befindlicher, über die Bodenfläche aufstehender Abdeckung diese unter mechanischer Einwirkung nachgeben kann, um nicht beschädigt zu werden. Hierfür kann insbesondere vorgesehen sein, dass ein Betätigungselement auf Seiten der Betätigungsvorrichtung und ein Anlageelement auf Seiten der Abdeckung aneinander anliegen und das Anlageelement von dem Betätigungselement abhebbar ist.Advantageously, the cover is also displaceable in the opening direction independently of the action of the actuating device, so that e.g. when the sprinkler is out of operation, the cover can be opened manually and / or when under the action of the actuator in the open position or an intermediate position befindlicher, over the bottom surface rising cover this can yield under mechanical action, so as not to be damaged. For this purpose, it can be provided in particular that an actuating element on the side of the actuating device and a contact element on the side of the cover abut each other and the contact element can be lifted from the actuating element.

In entsprechender Weise kann auch vorgesehen sein, dass die Abdeckung unter mechanischer Einwirkung entgegen der öffnenden Kraft der Betätigungsvorrichtung in Schließrichtung verlagerbar ist, wozu z.B. die Kraftübertragung zwischen Betätigungsvorrichtung und Abdeckung unter Zwischenfügen eines Federelements erfolgt oder vorzugsweise die öffnende Kraft der Betätigungsvorrichtung durch die schließend wirkende Einwirkung überwindbar ist, ohne Zerstörung der Abdeckung oder anderer Elemente.Correspondingly, it can also be provided that the cover can be displaced in the closing direction under mechanical action counter to the opening force of the actuating device, for example by the power transmission between the actuator and cover with the interposition of a spring element is carried out or preferably the opening force of the actuator is overcome by the closing action acting without destroying the cover or other elements.

Eine bevorzugte Ausführungsform sieht vor, dass die Betätigungsvorrichtung ein unter dem Druck zugeführten Wassers verschiebbares Betätigungselement wie z.B. einen längenveränderlichen Faltenbalg, eine elastische Membran oder vorzugsweise einen in einem Zylinder verschiebbaren Kolben aufweist.A preferred embodiment provides that the actuating device a displaceable under the pressure of water supplied actuating element such. a variable-length bellows, an elastic membrane or preferably a displaceable in a cylinder piston.

Die Erfindung ist nachfolgend anhand bevorzugter Ausführungsbeispiele unter Bezugnahme auf die Abbildungen noch eingehend veranschaulicht. Dabei zeigt

Fig. 1
einen Schnitt durch eine bevorzugte Ausführungsform
Fig. 2
einen Ausschnitt aus Fig. 1 mit geöffneter Abdeckung
Fig. 3
eine Variante zur Betätigung der Abdeckung
Fig. 4
einen Blick in den Schacht von oben
The invention is illustrated below with reference to preferred embodiments with reference to the figures still in detail. It shows
Fig. 1
a section through a preferred embodiment
Fig. 2
a section from Fig. 1 with open cover
Fig. 3
a variant for operating the cover
Fig. 4
a view into the shaft from above

In Fig. 1 ist in seitlicher Ansicht als Schnittbild eine Bewässerungseinrichtung dargestellt, bei welcher ein Schachtgehäuse SCH in eine Bodenfläche BF, z.B. eine Rasenfläche versenkt ist. Der Schacht besitzt nach oben eine großflächige Schachtöffnung SO, welche durch einen in Schließstellung gezeichneten Deckel DE abgedeckt ist. Der Deckel DE ist um eine horizontale Schwenkachse DA an einer Seite des Schachtgehäuses schwenkbar gelagert. Der Deckel wird durch eine Federkraft, insbesondere eine am Schachtgehäuse und am Deckel abgestützte und z.B. mehrfach um die Schwenkachse DA gewendelte Schenkelfeder SF in die Schließstellung gedrückt.In Fig. 1 is shown in side view as a sectional view of an irrigation device, in which a shaft housing SCH is sunk in a bottom surface BF, for example, a lawn. The shaft has upwards a large shaft opening SO, which is covered by a drawn in the closed position cover DE. The cover DE is pivotally mounted about a horizontal pivot axis DA on one side of the shaft housing. The lid is pressed into the closed position by a spring force, in particular a leg spring SF supported on the shaft housing and on the cover and, for example, wound several times around the pivot axis DA.

Der Deckel DE ist im skizzierten geschlossenen Zustand annähernd auf dem Niveau der Bodenfläche, so dass das Begehen der Bodenfläche BF oder z.B. eine Bearbeitung wie Rasenmähen durch die Einrichtung nicht behindert sind. Der Deckel ist so stabil ausgeführt, dass zumindest eine Person auf ihn treten kann, ohne ihn oder andere Elemente des Schachtes zu beschädigen. Vorzugsweise ist der Deckel auch durch Geräte bis hin zu einem Rasentraktor befahrbar. Der Deckel DE kann entgegen der Federkraft um die Achse DA nach oben geschwenkt werden und gibt dabei die Schachtöffnung so frei.The lid DE is in the closed state outlined approximately at the level of the bottom surface, so that the committing of the bottom surface BF or e.g. An editing such as lawn mowing are not hindered by the device. The lid is so stable that at least one person can step on it without damaging it or other elements of the manhole. Preferably, the lid is also passable through devices to a lawn tractor. The cover DE can be pivoted against the spring force about the axis DA upwards and thereby releases the shaft opening so.

Im Schacht ist unterhalb des geschlossenen Deckels und von diesem getrennt und beabstandet ein Regner RE angeordnet, welcher im skizzierten bevorzugten Beispiel ein Viereckregner mit einem im Betrieb mittels eines wasserangetriebenen Schwenkgetriebes GE um eine horizontale Regnerachse RA periodisch geschwenkten Regnerkopf RK ist. Über eine vorzugsweise fest im Boden verlegte Druckleitung kann dem Regner über eine z.B. im Schachtboden befindliche Zuleitung ZL Wasser mit einem Eingangsdruck von typischerweise wenigen bar zugeleitet werden. Ein Filter FI hält Schmutzanteile zurück, welche die Funktion des Getriebes GE beeinträchtigen oder die Regnerdüsen DU verstopfen könnten.In the shaft below the closed lid and separated therefrom and spaced apart a sprinkler RE is arranged, which in the preferred example outlined is a square sprinkler with a sprinkler head RK periodically pivoted about a horizontal sprinkler axis RA during operation by means of a water-driven swivel gear GE. Via a preferably fixed in the ground pressure line can be fed to the sprinkler via a feeder located in the bottom of the shaft ZL water with an inlet pressure of typically a few bar. A filter FI keeps dirt particles back, which could impair the function of the gearbox GE or block the sprinkler nozzles DU.

Über einen Seitenkanal steht eine Betätigungsvorrichtung BV mit der Zuleitung in Verbindung. Wesentlich ist, dass bei Anstieg des Wasserdrucks in der Zuleitung ZL und dem Seitenkanal SK die Betätigungsvorrichtung ein Verschwenken des Deckels DE aus der skizzierten Schließstellung entgegen der schließend wirkenden Federkraft in eine Öffnungsstellung bewirkt. Die Betätigungsvorrichtung enthält hierfür vorteilhafterweise einen in einem Zylinder KZ verschiebbaren Kolben KO, welcher einseitig mit dem Wasserdruck im Seitenkanal beaufschlagt ist. Der Kolben KO ist mittels einer Dichtung DI gegen den Zylinder KZ abgedichtet.About a side channel is an actuator BV with the supply line in connection. It is essential that when increasing the water pressure in the supply line ZL and the side channel SK, the actuator causes pivoting of the lid DE from the outlined closed position against the closing force acting spring in an open position. For this purpose, the actuating device advantageously contains a piston KO displaceable in a cylinder KZ, which is acted upon on one side by the water pressure in the side channel. The piston KO is sealed by a seal DI against the cylinder KZ.

Bei der in Fig. 1 skizzierten Variante der Betätigungsvorrichtung liegt eine dem Seitenkanal angewandte Anlagefläche AF des Kolbens KO an einer Kurvenfläche KU eines mit den Deckel verbundenen Übertragungselements UE an. Bei einer Verschiebung des Kolbens nach oben unter Einwirkung eines ansteigenden Wasserdrucks wird der Deckel nach oben verschwenkt, bis er maximal die in Fig. 2 skizzierte Öffnungsposition einnimmt, in welcher der Kolben an einem oberen Anschlag des Zylinders anliegt. Bei abnehmenden Wasserdruck in der Zuleitung drückt die Rückstellkraft der Schenkelfeder SF über das Übertragungselement UE mit der an der Kolbenanlagefläche gleitenden Kurvenfläche KU den Kolben nach unten und der Deckel verschließt bei fehlendem Überdruck in der Zuleitung wieder die Schachtöffnung. Für die Zeit anstehenden Wasserdrucks ist bei geöffnetem Deckel DE zugleich ohne zusätzliche Maßnahme der Regner RE in Betrieb.At the in Fig. 1 outlined variant of the actuator is applied to the side channel contact surface AF of the piston KO on a cam surface KU of a cover connected to the transmission element UE. With a displacement of the piston upwards under the action of an increasing water pressure, the lid is pivoted upwards until it reaches the maximum in Fig. 2 sketched opening position occupies, in which the piston rests against an upper stop of the cylinder. With decreasing water pressure in the supply line, the restoring force of the leg spring SF presses the piston downwards via the transmission element UE with the cam surface KU sliding on the piston contact surface and the cover closes the shaft opening again in the absence of overpressure in the supply line. With the lid DE open, the sprinkler RE is in operation at the same time without any additional measures for the time being.

Besonders vorteilhaft ist die Betätigung des Deckels über zwei drückend aneinanderliegende Flächen, welche wie die Kurvenfläche KU und die Kolbenanlagefläche AF voneinander abhebbar sind. Zum einen kann der Deckel dadurch auch einfach von Hand geöffnet werden, insbesondere um bei außer Betrieb befindlichem Regner Reinigungs-, Reparatur- oder Einstellarbeiten an der Einrichtung auszuführen. Zum anderen kann der durch Wasserdruck auf den Kolben geöffnete Deckel bei versehentlicher Trittbelastung durch einen Benutzer oder einer ähnlichen Einwirkung aus der in Fig. 2 skizzierten Öffnungsposition weiter in Pfeilrichtung TT ausweichen, ohne dass der Deckel selbst oder dessen Verbindung der Betätigungsvorrichtung beschädigt wird.Particularly advantageous is the operation of the lid over two pressing surfaces abutting one another, which as the cam surface KU and the piston contact surface AF can be lifted from each other. On the one hand, the lid can thereby be easily opened by hand, in particular in order to perform cleaning, repair or adjustment work on the device when the sprinkler is out of operation. On the other hand, the lid opened by water pressure on the piston can be accidentally kicked by a user or a similar action from the in Fig. 2 sketched opening position continue to dodge in the direction of arrow TT without the cover itself or its connection of the actuator is damaged.

Die Schwenkachse DE des Deckels ist in dem skizzierten Beispiel einfach in eine Lagergabel des Schachtgehäuses eingehängt und in dieser durch die Vorspannung der Schenkelfeder und/oder einrastend gehalten.The pivot axis DE of the lid is simply hooked in the sketched example in a bearing fork of the shaft housing and held in this by the bias of the leg spring and / or latching.

Für die konstruktive Ausführung der unter Einwirkung des Wasserdrucks automatischen Deckelverschwenkung sind verschiedene weitere sich dem Fachmann aus der Erfindung erschließende Möglichkeiten gegeben. In Fig. 3 ist beispielhaft die Verbindung eines Kolbens mit dem Deckel über eine umlenkbare Schubgliederkette SG skizziert.For the structural design of automatic under the influence of the water pressure Deckelverschwenkung various further to the person skilled in the invention opening possibilities are given. In Fig. 3 is exemplified the connection of a piston with the lid on a deflectable push link chain SG.

Fig. 4 zeigt eine Ansicht einer Bewässerungseinrichtung von oben ohne Deckel. Der Regner ist gemäß einer bevorzugten Ausführung als Viereckregner ausgeführt, dessen Regnerkopf RK im Betrieb durch das Getriebe GE um die horizontale Schwenkachse RA oszillierend zwischen zwei vorzugsweise einstellbaren Endpositionen geschwenkt ist, wie durch die Pfeile SR angedeutet. Der Schachtinnenraum erlaubt vorzugsweise die Verdrehung des Regners um die vertikale Achse VA, so dass auch bei fest ausgerichtetem Schacht eine Anpassung oder Veränderung der Orientierung der Schwenkachse des Regners möglich ist, wie durch Pfeile VR angedeutet. Die Düsenanordnung des Regnerkopfes mit einer Mehrzahl von Einzeldüsen DU zeigt im skizzierten Beispiel einen zentralen Düsenblock mit einer Düsen-Doppelreihe, an welchen sich beidseitig einzeilige Düsenreihen anschließen, deren Einzeldüsen individuell abklemmbar sind. Der Regner selbst wird im skizzierten Beispiel eines Viereckregners im Betrieb gegenüber der Ruhestellung nicht vertikal angehoben. Eine solche Anhebung kann zusätzlich vorgesehen sein. Fig. 4 shows a view of an irrigation device from above without a lid. The sprinkler is designed according to a preferred embodiment as a quad sprinkler, the sprinkler head RK is pivoted during operation by the gear GE about the horizontal pivot axis RA oscillating between two preferably adjustable end positions, as indicated by the arrows SR. The shaft interior preferably allows the rotation of the sprinkler about the vertical axis VA, so that even with a fixed aligned shaft adjustment or change in the orientation of the pivot axis of the sprinkler is possible, as indicated by arrows VR. The nozzle arrangement of the sprinkler head with a plurality of individual nozzles DU shows in the example sketched a central nozzle block with a nozzle double row, which is followed by double-row nozzle rows, whose individual nozzles can be individually clamped. The sprinkler itself is not vertically raised in the example of a square sprinkler in operation compared to the rest position. Such an increase may be additionally provided.

Die vorstehend und die in den Ansprüchen beschriebenen sowie die den Abbildungen entnehmbaren Merkmale sind sowohl einzeln als auch in verschiedenen Kombinationen vorteilhaft realisierbar.The features described above and in the claims as well as the figures which can be taken from the illustrations are advantageously implementable both individually and in various combinations.

Die Erfindung ist nicht auf die beschriebenen Ausführungsbeispiele beschränkt, sondern im Rahmen der Ansprüche in mancherlei Weise abwandelbar.The invention is not limited to the described embodiments, but in the context of the claims in many ways can be modified.

Claims (10)

  1. Watering system with a sprinkler which is arranged in a shaft which is sunk below a ground surface and has an upwardly pointing shaft opening which can be closed by a covering which is separate from the sprinkler, wherein the covering can be pivoted about a horizontal axis and, when water is fed to the sprinkler via a feed line (ZL), can be shifted relative to the sprinkler out of the closed position counter to a closing spring force by means of an actuating device which is connected to the feed line, and in the process, opens up the shaft opening, characterized in that the closing spring force presses the covering into the closed position.
  2. System according to Claim 1, characterized in that the covering can be further shifted in a destruction-free manner over a position determined by the actuating device.
  3. System according to Claim 1 or Claim 2, characterized in that the resetting force is applied by means of a leg spring arrangement.
  4. System according to one of Claims 1 to 3, characterized in that the covering bears via a bearing element against a displaceable actuating element of the actuating device and can be raised by said actuating element.
  5. System according to one of Claims 1 to 4, characterized in that the actuating device contains an actuating element which can be displaced under the pressure of the supplied water.
  6. System according to Claim 5, characterized in that the actuating device comprises a piston which can be displaced in a cylinder.
  7. System according to one of Claims 1 to 6, characterized in that the covering can be pivoted about a horizontal axis.
  8. System according to one of Claims 1 to 7, characterized in that the sprinkler has a nozzle arrangement with a jet direction predominantly directed upwards.
  9. System according to one of Claims 1 to 8, characterized in that the sprinkler has a nozzle arrangement which is pivotable about a horizontal axis.
  10. System according to one of Claims 1 to 9, characterized in that the sprinkler can take up a plurality of positions which are rotated with respect to one another about a vertical axis in the shaft.
EP03737274A 2002-02-02 2003-01-25 Watering system Expired - Lifetime EP1469949B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10204243A DE10204243A1 (en) 2002-02-02 2002-02-02 watering device
DE10204243 2002-02-02
PCT/EP2003/000764 WO2003066236A1 (en) 2002-02-02 2003-01-25 Watering system

Publications (2)

Publication Number Publication Date
EP1469949A1 EP1469949A1 (en) 2004-10-27
EP1469949B1 true EP1469949B1 (en) 2008-08-20

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EP03737274A Expired - Lifetime EP1469949B1 (en) 2002-02-02 2003-01-25 Watering system

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EP (1) EP1469949B1 (en)
AT (1) ATE405355T1 (en)
AU (1) AU2003226966A1 (en)
DE (2) DE10204243A1 (en)
ES (1) ES2312793T3 (en)
WO (1) WO2003066236A1 (en)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
DE202016101341U1 (en) 2016-03-10 2016-04-13 Kompernaß Handelsgesellschaft mbH up sprinklers

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Publication number Priority date Publication date Assignee Title
DE102006010343B4 (en) * 2005-12-09 2023-04-27 Husqvarna Ab sprinkling device
DE102009044215A1 (en) * 2009-10-09 2011-04-28 Gardena Manufacturing Gmbh Regner
EP2651567B1 (en) * 2010-12-16 2015-01-21 Husqvarna AB Oscillating sprinkler arrangement
ES2537259B1 (en) * 2013-11-21 2015-12-02 Antonio Manuel RUIZ HERNÁNDEZ Underground protector of drip irrigation systems
CN112916562B (en) * 2021-01-27 2022-08-05 兖州中材建设有限公司 Totally-enclosed production green mine

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DE636905C (en) * 1936-10-16 Karl Ludwig Lanninger Underground irrigation system
FR517765A (en) * 1919-08-04 1921-05-11 Ernestine Couten Automatic garden watering system
US3929288A (en) 1974-07-22 1975-12-30 Uniflex Spa Water line
DE2517999A1 (en) * 1975-04-21 1976-10-28 Erich Wegner Buried lawn watering or sprinkling device - has pivoting cover and internal water supply pipes and spray nozzle
DE8431889U1 (en) * 1984-10-31 1985-01-31 Holzwarth, Erich, 7141 Freiberg SCRAPER
US5292071A (en) * 1993-06-17 1994-03-08 L. R. Nelson Corporation In-ground pull-up sprinkler with above ground hose connection
JP2596519B2 (en) * 1994-06-06 1997-04-02 秋元バルブ興業株式会社 Automatic elevating sprinkler for disaster prevention
US5823439A (en) * 1996-08-16 1998-10-20 Hunter Industries Incorporated Pop-up sprinkler with shock absorbing riser spring

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Publication number Priority date Publication date Assignee Title
DE202016101341U1 (en) 2016-03-10 2016-04-13 Kompernaß Handelsgesellschaft mbH up sprinklers

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ES2312793T3 (en) 2009-03-01
WO2003066236A1 (en) 2003-08-14
DE50310355D1 (en) 2008-10-02
EP1469949A1 (en) 2004-10-27
ATE405355T1 (en) 2008-09-15
DE10204243A1 (en) 2003-08-14
AU2003226966A1 (en) 2003-09-02

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