EP1469949A1 - Watering system - Google Patents

Watering system

Info

Publication number
EP1469949A1
EP1469949A1 EP03737274A EP03737274A EP1469949A1 EP 1469949 A1 EP1469949 A1 EP 1469949A1 EP 03737274 A EP03737274 A EP 03737274A EP 03737274 A EP03737274 A EP 03737274A EP 1469949 A1 EP1469949 A1 EP 1469949A1
Authority
EP
European Patent Office
Prior art keywords
sprinkler
cover
shaft
actuating
displaceable
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
EP03737274A
Other languages
German (de)
French (fr)
Other versions
EP1469949B1 (en
Inventor
Christoph Schiedt
Ralf Claus
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.)
Gardena Manufacturing GmbH
Original Assignee
Gardena Manufacturing GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gardena Manufacturing GmbH filed Critical Gardena Manufacturing GmbH
Publication of EP1469949A1 publication Critical patent/EP1469949A1/en
Application granted granted Critical
Publication of EP1469949B1 publication Critical patent/EP1469949B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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.
  • pop-up sprinklers are known, which are protected in the idle state in a sleeve sunk into the ground and emerge from the sleeve against the return spring force when water is supplied.
  • the sprinkler head has a closed cap that can be entered when lowered.
  • the nozzle arrangement directed laterally below the cap is protected in the sleeve in the idle state.
  • the pop-up sprinklers are known as circular or sector sprinklers. Such a pop-up sprinkler is e.g. known from US 5,823,439.
  • the sprinkler head which can be entered is widened in a bowl shape and forms a receptacle for a naturally grown grass cushion.
  • EP 0 635 202 A1 shows a sprinkler arrangement in which a shaft recessed in the floor can be closed by a manually operable cover plate. A sprinkler is sunk in the shaft housing in the idle state without a water connection. After opening the cover flap, the sprinkler can be manually shifted into a working position protruding above the floor, in which a side connection for connection with a hose as a water supply line is accessible.
  • US Pat. No. 3,929,288 describes a line branch arranged in a recessed shaft and closed with a removable cover, to which a consumer device, e.g. a sprinkler that can be connected.
  • the present invention has for its object to provide a new advantageous irrigation device.
  • the invention enables a wider range of variations in the design of sprinklers, in particular sprinklers with upwardly directed nozzles can be used, the nozzle arrangement of which is protected by the shaft cover in the idle state.
  • the invention is particularly advantageous when it is possible to use covered square sprinklers in which the sprinkler head can be pivoted about a horizontal axis.
  • the cover is advantageously resilient to treading and can be driven on with common vehicles up to lawn tractors.
  • Incorrect operation is excluded by automatically opening the cover by means of an actuating device when water is supplied to the sprinkler via a pressurizable supply line.
  • the sprinkler arranged in the shaft is reliably protected against damage and contamination in the idle state.
  • the cover is preferably opened against a closing restoring force, in particular a spring force.
  • the sprinkler can also be put into operation in a simple manner by opening a valve which is remote from the location of the sprinkler and connected to it via a pipe or hose line.
  • the restoring force can advantageously be applied by a spring, in particular a leg spring arrangement with a bend at the pivot axis.
  • the cover can also be displaced in the opening direction regardless of the action of the actuating device, so that e.g. when the sprinkler is not in operation, the cover can be opened manually and / or when the cover is in the open position or an intermediate position under the action of the actuating device, it can yield under the mechanical action of the base surface so as not to be damaged.
  • it can in particular be provided that an actuating element on the side of the actuating device and a contact element on the side of the cover abut one another and that the contact element can be lifted off the actuating element.
  • the cover can be displaced in the closing direction under mechanical influence against the opening force of the actuating device, for which purpose e.g. the force transmission between the actuating device and cover takes place with the interposition of a spring element or, preferably, the opening force of the actuating device can be overcome by the closing action, without destroying the cover or other elements.
  • the actuating device comprises an actuating element which can be displaced under the pressure of water, e.g. has a variable-length bellows, an elastic membrane or preferably a piston displaceable in a cylinder.
  • Fig. 1 shows a section through a preferred embodiment
  • Fig. 2 shows a section of Fig. 1 with the cover open
  • Fig. 3 shows a variant for actuating the cover
  • Fig. 4 is a view of the shaft from above
  • an irrigation device is shown in a side view as a sectional view, in which a shaft housing SCH in a bottom surface BF, e.g. a lawn is sunk.
  • the shaft has a large shaft opening SO at the top, which is covered by a cover DE drawn in the closed position.
  • the cover DE is pivotally mounted on a side of the shaft housing about a horizontal pivot axis DA.
  • the cover is held by a spring force, in particular one supported on the shaft housing and on the cover and e.g. Leg spring SF wound several times around the swivel axis DA is pressed into the closed position.
  • the lid DE is approximately at the level of the floor surface, so that walking on the floor surface BF or e.g. processing such as mowing the lawn is not hindered by the facility.
  • the lid is so sturdy that at least one person can step on it without damaging it or other elements of the shaft.
  • the cover can preferably also be driven over by devices up to a lawn tractor.
  • the cover DE can be pivoted upward about the axis DA against the spring force and thereby releases the shaft opening.
  • a sprinkler RE is arranged underneath the closed cover and separated therefrom, which in the preferred example outlined is a sprinkler 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.
  • Water can be supplied to the sprinkler via a supply line ZL, for example located in the shaft floor, with an inlet pressure of typically a few bar, preferably via a pressure line permanently installed in the floor.
  • a filter Fl holds back dirt that could impair the function of the GE gearbox or block the sprinkler nozzles DU.
  • An actuating device BV is connected to the supply line via a side channel.
  • the actuating device causes the cover DE to pivot out of the closed position outlined against the closing spring force into an open position.
  • the actuating device advantageously contains a piston KO which can be displaced in a cylinder KZ and which is acted upon on one side by the water pressure in the side channel.
  • the piston KO is sealed against the cylinder KZ by means of a seal DI.
  • a contact surface AF of the piston KO applied to the side channel bears against a curved surface KU of a transmission element UE connected to the cover.
  • the cover is pivoted upwards until it assumes the opening position outlined in FIG. 2, in which the piston rests on 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 if there is no excess pressure in the supply line.
  • the sprinkler RE is also in operation without additional measures for the time of the pending water pressure.
  • the lid can be easily opened by hand, in particular in order to carry out cleaning, repair or adjustment work on the device when the sprinkler is not in operation.
  • the lid opened by water pressure on the piston can in the event of accidental treading by a user or a similar effect move out of the open position outlined in FIG. 2 further in the direction of arrow TT without the lid itself or its connection of the actuating device being damaged.
  • the pivot axis DE of the cover is simply suspended in a bearing fork of the shaft housing in the example outlined and held in it by the pretensioning of the leg spring and / or in a latching manner.
  • Fig. 4 shows a view of an irrigation device from above without a lid.
  • the sprinkler is designed as a square sprinkler, the sprinkler head RK of which is pivoted in operation by the gear GE about the horizontal pivot axis RA between two preferably adjustable end positions, as indicated by the arrows SR.
  • the interior of the shaft preferably allows the sprinkler to be rotated about the vertical axis VA, so that an adaptation or change in the orientation of the pivot axis of the sprinkler is possible even when the shaft is firmly aligned, as indicated by arrows VR.
  • the nozzle arrangement of the sprinkler head with a plurality of individual nozzles DU shows a central nozzle block with a double row of nozzles, to which are connected rows of nozzles on both sides, the individual nozzles of which can be individually disconnected.
  • the sprinkler itself is not raised vertically compared to the rest position in the example of a square sprinkler in operation. Such an increase can also be provided.

Landscapes

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

Bewässerungseinrichtungwatering device
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, it being possible to differentiate between devices with freely deployable sprinklers supplied by means of a hose and devices with stationary sprinklers which are supplied via permanently installed lines. Circular sprinklers and sector sprinklers which can be pivoted about a vertical axis or square sprinklers which can be pivoted about a horizontal axis are used in particular as free-standing sprinklers.
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 sprinklers, in particular pop-up sprinklers are known, which are protected in the idle state in a sleeve sunk into the ground and emerge from the sleeve against the return spring force when water is supplied. The sprinkler head has a closed cap that can be entered when lowered. The nozzle arrangement directed laterally below the cap is protected in the sleeve in the idle state. The pop-up sprinklers are known as circular or sector sprinklers. Such a pop-up sprinkler is e.g. known from US 5,823,439.
Bei einem in der DE 84 31 889 U1 beschriebenen Versenkregner ist der betretbare Regner- köpf napfförmig erweitert und bildet eine Aufnahme für ein natürlich gewachsenes Graspolster.In the case of a pop-up sprinkler described in DE 84 31 889 U1, the sprinkler head which can be entered is widened in a bowl shape 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 Ab- deckklappe 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.EP 0 635 202 A1 shows a sprinkler arrangement in which a shaft recessed in the floor can be closed by a manually operable cover plate. A sprinkler is sunk in the shaft housing in the idle state without a water connection. After opening the cover flap, the sprinkler can be manually shifted into a working position protruding above the floor, in which a side connection for connection with a hose as a water supply line is accessible.
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.US Pat. No. 3,929,288 describes a line branch arranged in a recessed shaft and closed with a removable cover, to which a consumer device, e.g. a sprinkler that can be connected.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine neue vorteilhafte Bewässe- rungseinrichtung anzugeben.The present invention has for its object to provide a new advantageous irrigation device.
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.While maintaining the advantages of stationary sprinklers, the invention enables a wider range of variations in the design of sprinklers, in particular sprinklers with upwardly directed nozzles can be used, the nozzle arrangement of which is protected by the shaft cover in the idle state. The invention is particularly advantageous when it is possible to use covered square sprinklers in which the sprinkler head can be pivoted about a horizontal axis. The cover is advantageously resilient to treading and can be driven on with common vehicles up to 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 Öff- nen eines vom Ort des Regners entfernten und mit diesem über eine Rohr- oder Schlauchleitung verbundenen Ventils in Betrieb gesetzt werden. 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.Incorrect operation is excluded by automatically opening the cover by means of an actuating device when water is supplied to the sprinkler via a pressurizable supply line. Preferably, by automatically closing the cover after the water pressure in the supply line has been removed, the sprinkler arranged in the shaft is reliably protected against damage and contamination in the idle state. The cover is preferably opened against a closing restoring force, in particular a spring force. As a result, the sprinkler can also be put into operation in a simple manner by opening a valve which is remote from the location of the sprinkler and connected to it via a pipe or hose line. In a preferred embodiment of the cover as a cover which can be pivoted about a preferably horizontal pivot axis, the restoring force can advantageously be applied by a spring, in particular a leg spring arrangement 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 Betätigungsele- ment abhebbar ist.Advantageously, the cover can also be displaced in the opening direction regardless of the action of the actuating device, so that e.g. when the sprinkler is not in operation, the cover can be opened manually and / or when the cover is in the open position or an intermediate position under the action of the actuating device, it can yield under the mechanical action of the base surface so as not to be damaged. For this purpose, it can in particular be provided that an actuating element on the side of the actuating device and a contact element on the side of the cover abut one another and that the contact element can be lifted off 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 influence against the opening force of the actuating device, for which purpose e.g. the force transmission between the actuating device and cover takes place with the interposition of a spring element or, preferably, the opening force of the actuating device can be overcome by the closing action, 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 comprises an actuating element which can be displaced under the pressure of water, e.g. has a variable-length bellows, an elastic membrane or preferably a piston displaceable in a cylinder.
Die Erfindung ist nachfolgend anhand bevorzugter Ausführungsbeispiele unter Bezugnahme auf die Abbildungen noch eingehend veranschaulicht. Dabei zeigt Fig. 1 einen Schnitt durch eine bevorzugte AusführungsformThe invention is illustrated in more detail below on the basis of preferred exemplary embodiments with reference to the figures. It shows Fig. 1 shows a section through a preferred embodiment
Fig. 2 einen Ausschnitt aus Fig. 1 mit geöffneter AbdeckungFig. 2 shows a section of Fig. 1 with the cover open
Fig. 3 eine Variante zur Betätigung der AbdeckungFig. 3 shows a variant for actuating the cover
Fig. 4 einen Blick in den Schacht von obenFig. 4 is a view of 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, an irrigation device is shown in a side view as a sectional view, in which a shaft housing SCH in a bottom surface BF, e.g. a lawn is sunk. The shaft has a large shaft opening SO at the top, which is covered by a cover DE drawn in the closed position. The cover DE is pivotally mounted on a side of the shaft housing about a horizontal pivot axis DA. The cover is held by a spring force, in particular one supported on the shaft housing and on the cover and e.g. Leg spring SF wound several times around the swivel axis DA is pressed into the closed position.
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 ei- nem Rasentraktor befahrbar. Der Deckel DE kann entgegen der Federkraft um die Achse DA nach oben geschwenkt werden und gibt dabei die Schachtöffnung so frei.In the sketched closed state, the lid DE is approximately at the level of the floor surface, so that walking on the floor surface BF or e.g. processing such as mowing the lawn is not hindered by the facility. The lid is so sturdy that at least one person can step on it without damaging it or other elements of the shaft. The cover can preferably also be driven over by devices up to a lawn tractor. The cover DE can be pivoted upward about the axis DA against the spring force and thereby releases the shaft opening.
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 Fl hält Schmutzanteile zurück, welche die Funk- tion des Getriebes GE beeinträchtigen oder die Regnerdüsen DU verstopfen könnten. 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 Öffnungsstel- lung 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.In the shaft, a sprinkler RE is arranged underneath the closed cover and separated therefrom, which in the preferred example outlined is a sprinkler 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. Water can be supplied to the sprinkler via a supply line ZL, for example located in the shaft floor, with an inlet pressure of typically a few bar, preferably via a pressure line permanently installed in the floor. A filter Fl holds back dirt that could impair the function of the GE gearbox or block the sprinkler nozzles DU. An actuating device BV is connected to the supply line via a side channel. It is essential that when the water pressure in the supply line ZL and the side channel SK increases, the actuating device causes the cover DE to pivot out of the closed position outlined against the closing spring force into an open position. For this purpose, the actuating device advantageously contains a piston KO which can be displaced in a cylinder KZ and which is acted upon on one side by the water pressure in the side channel. The piston KO is sealed against the cylinder KZ by means of a seal DI.
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.In the variant of the actuating device outlined in FIG. 1, a contact surface AF of the piston KO applied to the side channel bears against a curved surface KU of a transmission element UE connected to the cover. When the piston is displaced upwards under the influence of an increasing water pressure, the cover is pivoted upwards until it assumes the opening position outlined in FIG. 2, in which the piston rests on an upper stop of the cylinder. When the water pressure in the supply line decreases, 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 if there is no excess pressure in the supply line. When the lid DE is open, the sprinkler RE is also in operation without additional measures for the time of the pending water pressure.
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 Betätigungs- Vorrichtung beschädigt wird. 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.It is particularly advantageous to actuate the cover via two surfaces which press against one another and which, like the curved surface KU and the piston contact surface AF, can be lifted off one another. On the one hand, the lid can be easily opened by hand, in particular in order to carry out cleaning, repair or adjustment work on the device when the sprinkler is not in operation. On the other hand, the lid opened by water pressure on the piston can in the event of accidental treading by a user or a similar effect move out of the open position outlined in FIG. 2 further in the direction of arrow TT without the lid itself or its connection of the actuating device being damaged. The pivot axis DE of the cover is simply suspended in a bearing fork of the shaft housing in the example outlined and held in it by the pretensioning of the leg spring and / or in a latching manner.
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 the automatic lid pivoting under the influence of the water pressure, various other possibilities are apparent to the person skilled in the art from the invention. In Fig. 3, the connection of a piston to the cover is sketched by way of an articulated 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 Ein- zeldüsen 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. According to a preferred embodiment, the sprinkler is designed as a square sprinkler, the sprinkler head RK of which is pivoted in operation by the gear GE about the horizontal pivot axis RA between two preferably adjustable end positions, as indicated by the arrows SR. The interior of the shaft preferably allows the sprinkler to be rotated about the vertical axis VA, so that an adaptation or change in the orientation of the pivot axis of the sprinkler is possible even when the shaft is firmly aligned, as indicated by arrows VR. In the sketched example, the nozzle arrangement of the sprinkler head with a plurality of individual nozzles DU shows a central nozzle block with a double row of nozzles, to which are connected rows of nozzles on both sides, the individual nozzles of which can be individually disconnected. The sprinkler itself is not raised vertically compared to the rest position in the example of a square sprinkler in operation. Such an increase can also be provided.
Die vorstehend und die in den Ansprüchen beschriebenen sowie die den Abbildungen ent- nehmbaren Merkmale sind sowohl einzeln als auch in verschiedenen Kombinationen vorteilhaft realisierbar.The features described above and those described in the claims, as well as those that can be seen in the figures, can be advantageously implemented both individually and in various combinations.
Die Erfindung ist nicht auf die beschriebenen Ausführungsbeispiele beschränkt, sondern im Rahmen fachmännischen Könnens in mancherlei Weise abwandelbar. The invention is not limited to the exemplary embodiments described, but rather can be modified in many ways within the scope of expert knowledge.

Claims

Patentansprüche claims
1. Bewässerungseinrichtung mit einem Regner, der in einem unter eine Bodenfläche abgesenkten Schacht mit einer nach oben weisenden durch eine von Regner getrennte Abdeckung verschließbaren Schachtöffnung angeordnet ist, wobei die Abdeckung zur1. Irrigation device with a sprinkler, which is arranged in a shaft lowered below a floor surface with an upward-facing shaft opening that can be closed by a cover separated from sprinkler, the cover for
Freigabe der Schachtöffnung aus einer Schließstellung relativ zum Regner verlagerbar ist, dadurch gekennzeichnet, dass bei Zuführung von Wasser zu dem Regner über eine Zuleitung (ZL) eine mit der Zuleitung verbundene Betätigungsvorrichtung die Abdeckung aus der Schließstellung relativ zum Regner verlagert und dabei die Schachtöff- nung freigibt.Release of the shaft opening from a closed position can be shifted relative to the sprinkler, characterized in that when water is supplied to the sprinkler via a feed line (ZL) an actuating device connected to the feed line shifts the cover out of the closed position relative to the sprinkler and thereby the shaft opening releases.
2. Einrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass die Abdeckung aus der Schließstellung entgegen einer schließenden Rückstellkraft verlagerbar ist.2. Device according to claim 1, characterized in that the cover is displaceable from the closed position against a closing restoring force.
3. Einrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Abdeckung zerstörungsfrei über eine durch die Betätigungsvorrichtung bestimmte Position weiter verlagerbar ist.3. Device according to claim 1 or 2, characterized in that the cover is non-destructively displaceable via a position determined by the actuating device.
4. Einrichtung nach Anspruch 2 oder Anspruch 3, dadurch gekennzeichnet, dass die Rückstellkraft durch eine Schenkelfederanordnung aufgebracht ist.4. Device according to claim 2 or claim 3, characterized in that the restoring force is applied by a leg spring arrangement.
5. Einrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Abdeckung über ein Anlageelement an einem verschiebbaren Betätigungselement der Betätigungsvorrichtung anliegt und von diesem abhebbar ist.5. Device according to one of claims 1 to 4, characterized in that the cover abuts a contact element on a displaceable actuating element of the actuating device and can be lifted off from this.
Einrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Betätigungsvorrichtung ein unter dem Druck des zugeführten Wassers verschiebbares Betätigungselement enthält. Device according to one of claims 1 to 5, characterized in that the actuating device contains an actuating element which is displaceable under the pressure of the water supplied.
7. Einrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Betätigungsvorrichtung einen in einem Zylinder verschiebbaren Kolben umfasst.7. Device according to claim 6, characterized in that the actuating device comprises a piston displaceable in a cylinder.
8. Einrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Abdeckung um eine horizontale Achse schwenkbar ist.8. Device according to one of claims 1 to 7, characterized in that the cover is pivotable about a horizontal axis.
9. Einrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der Regner eine Düsenanordnung mit überwiegend nach oben gerichteter Strahlrichtung aufweist.9. Device according to one of claims 1 to 8, characterized in that the sprinkler has a nozzle arrangement with a predominantly upward jet direction.
10. Einrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass der Regner eine um eine horizontale Achse schwenkbare Düsenanordnung aufweist.10. Device according to one of claims 1 to 9, characterized in that the sprinkler has a nozzle arrangement pivotable about a horizontal axis.
11. Einrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass der Regner im Schacht mehrere um eine vertikale Achse gegeneinander verdrehte Positionen einnehmen kann. 11. Device according to one of claims 1 to 10, characterized in that the sprinkler in the shaft can assume several positions rotated against each other about a vertical axis.
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

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

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

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* Cited by examiner, † Cited by third party
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
DE202016101341U1 (en) 2016-03-10 2016-04-13 Kompernaß Handelsgesellschaft mbH up sprinklers
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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See references of WO03066236A1 *

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ES2312793T3 (en) 2009-03-01
EP1469949B1 (en) 2008-08-20
WO2003066236A1 (en) 2003-08-14
DE50310355D1 (en) 2008-10-02
ATE405355T1 (en) 2008-09-15
DE10204243A1 (en) 2003-08-14
AU2003226966A1 (en) 2003-09-02

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