EP2077161B1 - Sprinkler device with alternating or circular sprinkling cycle - Google Patents

Sprinkler device with alternating or circular sprinkling cycle Download PDF

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Publication number
EP2077161B1
EP2077161B1 EP08354091A EP08354091A EP2077161B1 EP 2077161 B1 EP2077161 B1 EP 2077161B1 EP 08354091 A EP08354091 A EP 08354091A EP 08354091 A EP08354091 A EP 08354091A EP 2077161 B1 EP2077161 B1 EP 2077161B1
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EP
European Patent Office
Prior art keywords
rotor
sprinkler device
stop
operating lever
control arm
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EP08354091A
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German (de)
French (fr)
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EP2077161A1 (en
Inventor
Catherine Gibert
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Rolland Arroseurs Sprinklers
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Rolland Arroseurs Sprinklers
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Publication of EP2077161A1 publication Critical patent/EP2077161A1/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
    • B05B3/0472—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 the spray jet actuating a movable deflector which is successively moved out of the jet by jet action and brought back into the jet by spring action
    • B05B3/0481—Impact motive means
    • 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
    • B05B3/0472—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 the spray jet actuating a movable deflector which is successively moved out of the jet by jet action and brought back into the jet by spring action
    • B05B3/0477—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 the spray jet actuating a movable deflector which is successively moved out of the jet by jet action and brought back into the jet by spring action the spray outlet having a reversible rotative movement, e.g. for covering angular sector smaller than 360°

Definitions

  • the object of the invention is to provide an improved watering device and simple design to quickly switch with the same device alternating watering mode to circular watering mode, and vice versa.
  • the watering device is characterized in that the inverter mechanism constitutes a second subassembly housed in a housing that can be fixed to the rotor by fixing lugs, and provided with a pipe intended to engage in a port of the hydraulic conduit, said tubing having a lumen allowing the passage of water to the nozzle when the housing is coupled to the rotor body.
  • control beam is rotatably mounted on the rotor about a second axis coaxial with the first axis, and is biased against a stop of the rotor by a return spring.
  • the reversing mechanism comprises a tilting spring anchored to an arm of the trigger rod, and an extension of the operating lever to cause the passage of dead center of the toggle device.
  • the end-of-stroke pads are arranged on two annular clip-on rings mounted coaxially one above the other on a cylindrical end of the fixed connection, each ring having a semi-open shape having an elasticity allowing a radial fit on the outside. tip.
  • a self-propelled sprinkler device 10 is composed of a fixed tubular connector 11 intended to be connected to a water supply pipe, and a rotary turnstile 12 around a first vertical axis 13 of the coupling 11. .
  • the turnstile 12 comprises a rotor 14 formed by a body of molded plastic material, provided with a hydraulic conduit 15 in hydraulic connection with one end to the supply connector 11, and equipped at the opposite end of a nozzle 16 spraying.
  • a control beam 17 is mounted oscillating on the rotor 14 about a second vertical axis 18 extending in alignment with the first axis 13.
  • the body of the rotor 14 is provided with a stop 19 disposed behind the nozzle 16, and the control beam 17 is biased against the stop 19 by means of a return spring (not shown) housed in the top cover 20, opposite the connection 11.
  • the rotor 14 and the control beam 17 constitute a first movable sub-assembly A mounted on the fixed connection 11.
  • the control beam 17 is driven by a relative rotational movement relative to the rotor 14, and the whole of the turnstile 12 can rotate alternately between two adjustable angular positions.
  • One end of the control beam 17 is provided with a projection frame 21 hit by the jet of water from the nozzle 16.
  • the projection frame 21 is composed of a guide rail 22 extended by a dawn 23 with a curved surface for directing the jet of water spray and simultaneously cause the alternating rotation of the turnstile 12 in both directions of rotation.
  • control beam 17 is provided with a stop 24 intended to cooperate with a locking nose 41 of a bistable operating lever 25 forming part of an inverter mechanism 26.
  • the operating lever 25 of the mechanism 26 is bistable by being hinged with a trigger link 27 on a common pivot axis 28 to form a dead-center toggle device.
  • a torsion-type tilting spring 29 is anchored at one of its ends to an arm 30 of the trigger rod 27, and at its end opposite an extension 31 of the operating lever 25.
  • the lower end of the trigger rod 27 is intended to engage two end-of-stroke pins 32, 33 angularly offset from one another around the fixed connection 11.
  • the end-of-stroke pads 32, 33 are advantageously arranged on two annular rings 34, 35 mounted coaxially on one another on a cylindrical tip 36 of the 11.
  • the angular offset of the end-of-stroke pads 32, 33 of the two rings 34, 35 is adjustable in order to be able to adjust the tilting frequency of the reversing mechanism 26 and the change of direction of rotation of the turnstile 12.
  • the reversing mechanism 26 forms a second subassembly B housed in a casing 37 equipped with a pair of diametrically opposite fixing lugs 38, and a protruding tubing 39 intended to engage in an orifice 40 of the duct 15 of the rotor 14.
  • the pipe 39 is pierced by a hole 42 allowing the passage of water in the pipe 15 when the subassembly B is coupled to the body of the rotor 14 by means of the fixing lugs 38.
  • the coupling is carried out by a simple rotational movement quarter turn, or by any other means ensuring the seal between the conduit 15 and the subassembly B.
  • the operating lever 25 and the trigger rod 27 project from the housing 37 to cooperate respectively with the end stops 32, 33 and the stop 24 of the swingarm 17.
  • the operating lever 25 occupies either a locked position when it is engaged with the stop 24 of the control arm 17 or a triggered release position of the stop 24.
  • the transition from the locked position to the triggered position and vice versa, occurs during the change of state of the inverter mechanism 26 at each abutment of the trigger rod 27 with the corresponding end-of-stroke pad 32, 33.
  • the locking spout 41 of the operating lever 25 is engaged with the stop 24 making the control beam 17 integral with the rotor 14.
  • the trigger rod 27 is in contact with the end-of-stroke terminal 32.
  • the jet of water under pressure from the sprinkler nozzle 16 is directed towards the guide ramp 22 of the projection frame 21 so as to generating a propulsion force of the control arm 17 in a predetermined direction of rotation, for example the clockwise direction.
  • the control rocker 17 drives the rotor 14 and the casing 37 in the same direction, and the trigger rod 27 moves in the direction of the arrow F1 towards the other end-of-stroke pad 33 (FIG. figures 7 and 6 ).
  • the figure 7 shows the unstable position of the toggle device where the pivot axis 28 is coplanar with the anchoring points of the spring 29 on the arm 30 and the extension 31.
  • the trigger rod 27 is then in an intermediate position between the two end-of-stroke studs 32, 33.
  • the continued rotation of the rotor 14 and the control beam 17 causes the passage of the dead center of the toggle device and causes the reversal mechanism 26 to tilt towards the other stable position ( figure 6 ).
  • the operating lever 25 is actuated to the triggered position by releasing the stop 24 of the control arm 17.
  • control beam 17 is moved in the opposite direction.
  • the rotor 14 is driven in the same direction, and the trigger rod 27 returns to the end-of-stroke pad 32 for a new change of state of the inverter mechanism 26.
  • the two cycles of alternating or circular watering can be chosen easily by the user on the site to be watered.
  • the subassembly A (rotor 14 and control beam 17) is a standardized module conventionally used for continuous circular watering. To choose the alternate watering, simply remove the plug closing the orifice 40, and mount the subassembly B of the inverter mechanism 26 and the two rings 34, 35 of adjustment. This change in the operating mode is fast and easy to implement.

Landscapes

  • Nozzles (AREA)
  • Catching Or Destruction (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Abstract

The device (10) has a turnstile (12) provided with a rotor (14) whose spraying nozzle (16) communicates with a fitting (11) by a hydraulic conduit (15) of the rotor. The rotor and a control balancer (17) form a rotational sub-assembly on the fitting. A reverser mechanism forms another sub-assembly housed in a casing (37) fixed on the rotor by fixation pins (38), and includes a tubing engaged in an orifice of the hydraulic conduit. The tubing has a slot for permitting water passage towards the spraying nozzle when the casing is coupled with a body of the rotor.

Description

Domaine technique de l'inventionTechnical field of the invention

L'invention concerne un dispositif arroseur à tourniquet autopropulsé, comprenant :

  • un raccord fixe destiné à être raccordé à une tuyauterie d'alimentation en eau,
  • un rotor rotatif autour d'un premier axe vertical, et équipé d'un gicleur d'aspersion communiquant par un conduit hydraulique avec le raccord,
  • un balancier de commande doté d'un cadre de projection pour assurer la rotation du rotor sous l'action du jet d'eau en provenance du gicleur,
  • des moyens de réglage pour ajuster le secteur circulaire à balayer par le jet d'eau, et comprenant une paire de plots de fin de course ayant une position angulaire réglable,
  • et un mécanisme inverseur composé d'une biellette de déclenchement coopérant avec les moyens de réglage, et d'un levier de manoeuvre coopérant avec un arrêt du balancier de commande, ladite biellette et ledit levier de manoeuvre étant articulés sur un axe de pivotement commun pour former un dispositif à genouillère bistable, le rotor et le balancier de commande formant un premier sous-ensemble rotatif sur le raccord.
The invention relates to a self-propelled turnstile sprinkler device, comprising:
  • a fixed connection intended to be connected to a water supply pipe,
  • a rotor rotating around a first vertical axis, and equipped with a spray nozzle communicating via a hydraulic conduit with the coupling,
  • a control beam with a projection frame for rotating the rotor under the action of the jet of water from the jet,
  • adjusting means for adjusting the circular sector to be swept by the water jet, and comprising a pair of limit switches having an adjustable angular position,
  • and an inverting mechanism consisting of a trigger rod cooperating with the adjustment means, and an operating lever cooperating with a stop of the control beam, said link and said operating lever being articulated on a common pivot axis for forming a bistable toggle device, the rotor and the control beam forming a first rotary subassembly on the coupling.

Etat de la techniqueState of the art

Il est connu d'entraîner automatiquement le rotor du dispositif arroseur par les forces de réaction du jet d'eau issu du gicleur d'aspersion. Dans les tourniquets connus du commerce, on trouve ainsi une première gamme d'arroseurs pour un arrosage alterné réglable angulairement, et une deuxième gamme d'arroseurs à arrosage circulaire continu.It is known to automatically drive the rotor of the sprinkler device by the reaction forces of the jet of water from the sprinkler nozzle. In the commercially known turnstiles, there is thus a first range of sprinklers for alternately adjustable watering angularly, and a second range of sprinklers continuous circular irrigation.

Le document US 4978070 se rapporte à un dispositif arroseur qui divulgue les caractéristiques du préambule de la revendication 1, équipé d'un mécanisme sélecteur à trois positions permettant de faire tourner le rotor dans un sens ou dans le sens opposé, et également en rotation continue. Un tel mécanisme est néanmoins compliqué et nécessite un montage précis en usine.The document US 4978070 refers to a sprinkler device which discloses the features of the preamble of claim 1, equipped with a three-position selector mechanism for rotating the rotor in a direction or in the opposite direction, and also in continuous rotation. Such a mechanism is nevertheless complicated and requires precise assembly in the factory.

Objet de l'inventionObject of the invention

L'objet de l'invention consiste à réaliser un dispositif d'arrosage perfectionné et de conception simple permettant de passer rapidement avec le même appareil du mode d'arrosage alterné vers le mode d'arrosage circulaire, et vice-versa.The object of the invention is to provide an improved watering device and simple design to quickly switch with the same device alternating watering mode to circular watering mode, and vice versa.

Le dispositif d'arrosage selon l'invention est caractérisé en ce le mécanisme inverseur constitue un deuxième sous-ensemble logé dans un boîtier pouvant être fixé sur le rotor par des ergots de fixation, et muni d'une tubulure destinée à s'engager dans un orifice du conduit hydraulique, ladite tubulure ayant une lumière permettant le passage de l'eau vers le gicleur lorsque le boîtier est accouplé au corps du rotor.The watering device according to the invention is characterized in that the inverter mechanism constitutes a second subassembly housed in a housing that can be fixed to the rotor by fixing lugs, and provided with a pipe intended to engage in a port of the hydraulic conduit, said tubing having a lumen allowing the passage of water to the nozzle when the housing is coupled to the rotor body.

Le fonctionnement en arrosage circulaire continu nécessite uniquement le premier sous-ensemble constitué par le rotor et le balancier de commande. Il suffit de boucher l'orifice du corps du rotor après enlèvement du deuxième sous-ensemble.The operation in continuous circular watering only requires the first subassembly constituted by the rotor and the control beam. he simply plug the orifice of the rotor body after removal of the second subassembly.

Pour choisir l'arrosage alterné, on enlève le bouchon obturant l'orifice, et on monte le deuxième sous-ensemble du mécanisme inverseur, ainsi que les deux bagues de réglage clipsables. Ce changement du mode de fonctionnement est rapide et facile à mettre en oeuvre.To choose the alternate watering, remove the plug closing the orifice, and we mount the second subassembly of the reversing mechanism, as well as the two clipping adjustment rings. This change in the operating mode is fast and easy to implement.

Selon un mode de réalisation préférentiel, le balancier de commande est monté rotatif sur le rotor autour d'un deuxième axe coaxial au premier axe, et est sollicité contre une butée du rotor par un ressort de rappel. Le mécanisme inverseur comporte un ressort de basculement ancré à un bras de la biellette de déclenchement, et à une extension du levier de manoeuvre pour provoquer le passage de point mort du dispositif à genouillère.According to a preferred embodiment, the control beam is rotatably mounted on the rotor about a second axis coaxial with the first axis, and is biased against a stop of the rotor by a return spring. The reversing mechanism comprises a tilting spring anchored to an arm of the trigger rod, and an extension of the operating lever to cause the passage of dead center of the toggle device.

Les plots de fin de course sont agencés sur deux bagues annulaires clipsables montées coaxialement l'une au-dessus de l'autre sur un embout cylindrique du raccord fixe, chaque bague présentant une forme semi-ouverte ayant une élasticité autorisant un emboîtement radial sur l'embout.The end-of-stroke pads are arranged on two annular clip-on rings mounted coaxially one above the other on a cylindrical end of the fixed connection, each ring having a semi-open shape having an elasticity allowing a radial fit on the outside. tip.

Description sommaire des dessinsBrief description of the drawings

D'autres avantages et caractéristiques ressortiront plus clairement de la description qui va suivre de modes particuliers de réalisation de l'invention donnés à titre d'exemples non limitatifs et représentés aux dessins annexés, dans lesquels :

  • la figure 1 est une vue schématique en élévation du dispositif d'arroseur selon l'invention ;
  • la figure 2 montre une vue en perspective éclatée des deux sous-ensembles A et B, et des deux bagues de fin de course ;
  • la figure 3 représente une vue en coupe à échelle agrandie du mécanisme inverseur ;
  • la figure 4 est une vue en perspective de côté du dispositif arroseur en position montée ;
  • la figure 5 illustre une vue en perspective du mécanisme inverseur après enlèvement du couvercle du boîtier ;
  • les figures 6 à 8 montrent des vues en perspective de profil de la figure 4, respectivement dans la position déclenchée, la position intermédiaire instable, et la position verrouillée du mécanisme inverseur.
Other advantages and features will emerge more clearly from the following description of particular embodiments of the invention given by way of non-limiting example and represented in the accompanying drawings, in which:
  • the figure 1 is a schematic elevational view of the sprinkler device according to the invention;
  • the figure 2 shows an exploded perspective view of the two subsets A and B, and the two end-of-stroke rings;
  • the figure 3 is an enlarged sectional view of the inverter mechanism;
  • the figure 4 is a side perspective view of the sprinkler device in mounted position;
  • the figure 5 illustrates a perspective view of the inverter mechanism after removal of the housing cover;
  • the Figures 6 to 8 show perspective perspective views of the figure 4 respectively in the tripped position, the unstable intermediate position, and the locked position of the inverter mechanism.

Description d'un mode particulier de réalisationDescription of a particular embodiment

En référence aux figures, un dispositif arroseur 10 autopropulsé est composé d'un raccord 11 tubulaire fixe destiné à être branché à une tuyauterie d'alimentation en eau, et d'un tourniquet 12 rotatif autour d'un premier axe 13 vertical du raccord 11.Referring to the figures, a self-propelled sprinkler device 10 is composed of a fixed tubular connector 11 intended to be connected to a water supply pipe, and a rotary turnstile 12 around a first vertical axis 13 of the coupling 11. .

Le tourniquet 12 comporte un rotor 14 formé par un corps en matériau plastique moulé, muni d'un conduit hydraulique 15 en liaison hydraulique avec l'une des extrémités au raccord 11 d'alimentation, et équipé à l'extrémité opposée d'un gicleur 16 d'aspersion. Un balancier de commande 17 est monté oscillant sur le rotor 14 autour d'un deuxième axe 18 vertical s'étendant dans l'alignement avec le premier axe 13. Le corps du rotor 14 est doté d'une butée 19 disposée en retrait du gicleur 16, et le balancier de commande 17 est sollicité contre la butée 19 au moyen d'un ressort de rappel (non représenté) logé dans le capot 20 supérieur, à l'opposé du raccord 11.The turnstile 12 comprises a rotor 14 formed by a body of molded plastic material, provided with a hydraulic conduit 15 in hydraulic connection with one end to the supply connector 11, and equipped at the opposite end of a nozzle 16 spraying. A control beam 17 is mounted oscillating on the rotor 14 about a second vertical axis 18 extending in alignment with the first axis 13. The body of the rotor 14 is provided with a stop 19 disposed behind the nozzle 16, and the control beam 17 is biased against the stop 19 by means of a return spring (not shown) housed in the top cover 20, opposite the connection 11.

Le rotor 14 et le balancier de commande 17 constituent un premier sous-ensemble A mobile monté sur le raccord 11 fixe.The rotor 14 and the control beam 17 constitute a first movable sub-assembly A mounted on the fixed connection 11.

Le balancier de commande 17 est animé d'un mouvement relatif de rotation par rapport au rotor 14, et l'ensemble du tourniquet 12 peut tourner alternativement entre deux positions angulaires réglables. L'une des extrémités du balancier de commande 17 est pourvue d'un cadre de projection 21 frappé par le jet d'eau en provenance du gicleur 16. Le cadre de projection 21 est composé d'une rampe de guidage 22 prolongée par une aube 23 à surface incurvée pour diriger le jet d'eau d'arrosage et entraîner simultanément la rotation alternée du tourniquet 12 dans les deux sens de rotation.The control beam 17 is driven by a relative rotational movement relative to the rotor 14, and the whole of the turnstile 12 can rotate alternately between two adjustable angular positions. One end of the control beam 17 is provided with a projection frame 21 hit by the jet of water from the nozzle 16. The projection frame 21 is composed of a guide rail 22 extended by a dawn 23 with a curved surface for directing the jet of water spray and simultaneously cause the alternating rotation of the turnstile 12 in both directions of rotation.

A l'opposé du capot 20 par rapport à la direction du deuxième axe 18 vertical, le balancier de commande 17 est muni d'un arrêt 24 destiné à coopérer avec un bec de verrouillage 41 d'un levier de manoeuvre 25 bistable faisant partie d'un mécanisme inverseur 26.Opposite the cover 20 with respect to the direction of the second vertical axis 18, the control beam 17 is provided with a stop 24 intended to cooperate with a locking nose 41 of a bistable operating lever 25 forming part of an inverter mechanism 26.

Le levier de manoeuvre 25 du mécanisme 26 est bistable en étant articulé avec une biellette de déclenchement 27 sur un axe de pivotement 28 commun pour former un dispositif à genouillère à passage de point mort. Un ressort 29 de basculement du type à torsion, est ancré par l'une de ses extrémités à un bras 30 de la biellette de déclenchement 27, et par son extrémité opposée à une extension 31 du levier de manoeuvre 25.The operating lever 25 of the mechanism 26 is bistable by being hinged with a trigger link 27 on a common pivot axis 28 to form a dead-center toggle device. A torsion-type tilting spring 29 is anchored at one of its ends to an arm 30 of the trigger rod 27, and at its end opposite an extension 31 of the operating lever 25.

Le bout inférieur de la biellette de déclenchement 27 est destiné à venir en engagement contre deux plots de fin de course 32, 33 angulairement décalés l'un de l'autre autour du raccord 11 fixe. Les plots de fin de course 32, 33 sont avantageusement agencés sur deux bagues 34, 35 annulaires montées par emboîtement coaxialement l'une sur l'autre sur un embout 36 cylindrique du raccord 11. Le décalage angulaire des plots de fin de course 32, 33 des deux bagues 34, 35 est ajustable pour pouvoir régler la fréquence de basculement du mécanisme inverseur 26 et le changement de sens de rotation du tourniquet 12.The lower end of the trigger rod 27 is intended to engage two end-of-stroke pins 32, 33 angularly offset from one another around the fixed connection 11. The end-of-stroke pads 32, 33 are advantageously arranged on two annular rings 34, 35 mounted coaxially on one another on a cylindrical tip 36 of the 11. The angular offset of the end-of-stroke pads 32, 33 of the two rings 34, 35 is adjustable in order to be able to adjust the tilting frequency of the reversing mechanism 26 and the change of direction of rotation of the turnstile 12.

Le mécanisme inverseur 26 forme un deuxième sous-ensemble B logé dans un boîtier 37 équipé d'une paire d'ergots de fixation 38 diamétralement opposés, et d'une tubulure 39 saillante destinée à s'engager dans un orifice 40 du conduit 15 du rotor 14. La tubulure 39 est percée par une lumière 42 permettant le passage de l'eau dans le conduit 15 lorsque le sous-ensemble B est accouplé au corps du rotor 14 au moyen des ergots de fixation 38. L'accouplement s'effectue par un simple mouvement de rotation à quart de tour, ou par tout autre moyen garantissant l'étanchéité entre le conduit 15 et le sous-ensemble B. Le levier de manoeuvre 25 et la biellette de déclenchement 27 font saillie du boîtier 37 pour coopérer respectivement avec les plots de fin de course 32, 33 et l'arrêt 24 du bras oscillant 17.The reversing mechanism 26 forms a second subassembly B housed in a casing 37 equipped with a pair of diametrically opposite fixing lugs 38, and a protruding tubing 39 intended to engage in an orifice 40 of the duct 15 of the rotor 14. The pipe 39 is pierced by a hole 42 allowing the passage of water in the pipe 15 when the subassembly B is coupled to the body of the rotor 14 by means of the fixing lugs 38. The coupling is carried out by a simple rotational movement quarter turn, or by any other means ensuring the seal between the conduit 15 and the subassembly B. The operating lever 25 and the trigger rod 27 project from the housing 37 to cooperate respectively with the end stops 32, 33 and the stop 24 of the swingarm 17.

Le levier de manoeuvre 25 occupe soit une position verrouillée lorsqu'il se trouve en prise avec l'arrêt 24 du bras de commande 17, soit une position déclenchée de libération de l'arrêt 24. Le passage de la position verrouillée vers la position déclenchée, et vice-versa, intervient lors du changement d'état du mécanisme inverseur 26 à chaque venue en butée de la biellette de déclenchement 27 avec le plot de fin de course 32, 33 correspondant.The operating lever 25 occupies either a locked position when it is engaged with the stop 24 of the control arm 17 or a triggered release position of the stop 24. The transition from the locked position to the triggered position and vice versa, occurs during the change of state of the inverter mechanism 26 at each abutment of the trigger rod 27 with the corresponding end-of-stroke pad 32, 33.

Dans l'une des positions stables du mécanisme inverseur 26 illustrée à la figure 8, le bec de verrouillage 41 du levier de manoeuvre 25 est en prise avec l'arrêt 24 rendant le balancier de commande 17 solidaire du rotor 14. Dans cette position verrouillée, la biellette de déclenchement 27 est en contact avec le plot de fin de course 32. Le jet d'eau sous pression issu du gicleur 16 d'aspersion, est dirigé vers la rampe de guidage 22 du cadre de projection 21 de manière à générer une force de propulsion du bras de commande 17 dans un sens de rotation prédéterminé, par exemple le sens horaire. Le balancier de commande 17 entraîne le rotor 14 et le boîtier 37 dans le même sens, et la biellette de déclenchement 27 se déplace dans le sens de la flèche F1 en direction de l'autre plot de fin de course 33 ( figures 7 et 6).In one of the stable positions of the inverter mechanism 26 illustrated in FIG. figure 8 , the locking spout 41 of the operating lever 25 is engaged with the stop 24 making the control beam 17 integral with the rotor 14. In this locked position, the trigger rod 27 is in contact with the end-of-stroke terminal 32. The jet of water under pressure from the sprinkler nozzle 16 is directed towards the guide ramp 22 of the projection frame 21 so as to generating a propulsion force of the control arm 17 in a predetermined direction of rotation, for example the clockwise direction. The control rocker 17 drives the rotor 14 and the casing 37 in the same direction, and the trigger rod 27 moves in the direction of the arrow F1 towards the other end-of-stroke pad 33 (FIG. figures 7 and 6 ).

La figure 7 montre la position instable du dispositif à genouillère où l'axe de pivotement 28 est coplanaire avec les points d'ancrage du ressort 29 sur le bras 30 et l'extension 31. La biellette de déclenchement 27 se trouve alors dans une position intermédiaire entre les deux plots de fin de course 32, 33.The figure 7 shows the unstable position of the toggle device where the pivot axis 28 is coplanar with the anchoring points of the spring 29 on the arm 30 and the extension 31. The trigger rod 27 is then in an intermediate position between the two end-of-stroke studs 32, 33.

La rotation poursuivie du rotor 14 et du balancier de commande 17 provoque le passage du point mort du dispositif à genouillère et entraîne le basculement du mécanisme inverseur 26 vers l'autre position stable (figure 6). Le levier de manoeuvre 25 est actionné vers la position déclenchée en libérant l'arrêt 24 du bras de commande 17.The continued rotation of the rotor 14 and the control beam 17 causes the passage of the dead center of the toggle device and causes the reversal mechanism 26 to tilt towards the other stable position ( figure 6 ). The operating lever 25 is actuated to the triggered position by releasing the stop 24 of the control arm 17.

A cet instant, le balancier de commande 17 est déplacé dans le sens opposé. Le rotor 14 est entraîné dans le même sens, et la biellette de déclenchement 27 retourne vers le plot de fin de course 32 pour un nouveau changement d'état du mécanisme inverseur 26.At this time, the control beam 17 is moved in the opposite direction. The rotor 14 is driven in the same direction, and the trigger rod 27 returns to the end-of-stroke pad 32 for a new change of state of the inverter mechanism 26.

On arrive ainsi à arroser un secteur circulaire donné grâce à l'oscillation périodique du balancier de commande 17 piloté par le déplacement de la biellette de déclenchement 27 entre les deux plots de fin de course 32, 33. L'amplitude du secteur circulaire arrosé est facilement réglable en modifiant la position angulaire des bagues 34, 35 sur la raccord 11 fixe.Thus, it is possible to water a given circular sector by means of the periodic oscillation of the control beam 17 controlled by the movement of the trigger link 27 between the two end-of-stroke pads 32, 33. The amplitude of the circular sector being watered is easily adjustable by changing the angular position of the rings 34, 35 on the fixed connection 11.

Dans une variante de réalisation, il est également possible de supprimer l'arrosage alterné, et d'obtenir un arrosage circulaire du rotor 14 après démontage du sous-ensemble B. Il suffit de retirer le mécanisme inverseur 26, et d'obturer ensuite l'orifice 40 du corps du rotor 14 au moyen d'un bouchon d'étanchéité (non représenté). Le balancier de commande 17 tournera alors toujours dans le même sens, en entraînant avec lui le rotor 14.In an alternative embodiment, it is also possible to suppress the alternating watering, and to obtain a circular watering of the rotor 14 after disassembly of the subassembly B. It suffices to remove the inverter mechanism 26, and then to close the orifice 40 of the rotor body 14 by means of a sealing plug (not shown). The control beam 17 will then always turn in the same direction, driving with it the rotor 14.

Les deux cycles d'arrosage alterné ou circulaire peuvent être choisis facilement par l'utilisateur sur le site à arroser. Le sous-ensemble A (rotor 14 et balancier de commande 17) est un module standardisé utilisé classiquement pour un arrosage circulaire continu. Pour choisir l'arrosage alterné, il suffit d'enlever le bouchon obturant l'orifice 40, et de monter le sous-ensemble B du mécanisme inverseur 26 et les deux bagues 34, 35 de réglage. Ce changement du mode de fonctionnement est rapide et facile à mettre en oeuvre.The two cycles of alternating or circular watering can be chosen easily by the user on the site to be watered. The subassembly A (rotor 14 and control beam 17) is a standardized module conventionally used for continuous circular watering. To choose the alternate watering, simply remove the plug closing the orifice 40, and mount the subassembly B of the inverter mechanism 26 and the two rings 34, 35 of adjustment. This change in the operating mode is fast and easy to implement.

Claims (7)

  1. Sprinkler device with a self-propelled water distributor, comprising:
    - a fixed connector (11) designed to be connected to a water supply pipe,
    - a rotor (14) rotating around a vertical first axis (13) and equipped with a sprinkling nozzle (16) communicating via a hydraulic duct (15) with the connector (11),
    - a swinging control arm (17) equipped with a projection frame (21) to ensure rotation of the rotor (14) due to the action of the water jet coming from the nozzle (16),
    - adjustment means to adjust the circular sector to be covered by the water jet and comprising a pair of end-of-travel studs (32, 33) having an adjustable angular position,
    - and a reverser mechanism (26) composed of a triggering rod (27) operating in conjunction with the adjustment means, and of an operating lever (25) operating in conjunction with a stop (24) of the control arm (17), said rod and said operating lever being articulated on a common swivelpin (28) to form a bistable toggle device, the rotor (14) and control arm (17) forming a first sub-assembly (A) rotating on the connector (11),
    characterized in that the reverser mechanism (26) forms a second sub-assembly (B) housed in an enclosure (37) able to be fixed onto the rotor (14) by fixing lugs (38), and equipped with a tube (39) designed to engage in an opening (40) of the hydraulic duct (15), said tube (39) having an aperture (42) for the water to pass to reach the sprinkling nozzle (16) when the enclosure (37) is coupled to the body of the rotor (14).
  2. Sprinkler device according to claim 1, characterized in that the swinging control arm (17) is mounted rotating on the rotor (14) around a second axis coaxial to the first axis (13), and is urged up against a stop (19) of the rotor (14) by a return spring.
  3. Sprinkler device according to claim 1, characterized in that the reverser mechanism (26) comprises a rocker spring (29) secured to an arm (30) of the triggering rod (27) and to an extension (31) of the operating lever (25) to perform dead-point passage of the toggle device.
  4. Sprinkler device according to claim 1, characterized in that the projection frame (21) comprises a guide ramp (22) extended by a blade (23) with a curved surface to direct the sprinkling water jet and at the same time cause alternating rotation of the water distributor (12).
  5. Sprinkler device according to claim 1, characterized in that the operating lever (25) comprises a locking nose (41) able to occupy either a locked position when it is in contact with the stop (24) of the control arm (17) or a triggered position releasing the stop (24), switching from the locked position to the triggered position and vice-versa taking place when the reverser mechanism (26) changes state each time the triggering rod (27) comes up against the stop formed by the corresponding end-of-travel stud (32, 33).
  6. Sprinkler device according to claim 1, characterized in that the end-of-travel studs (32, 33) are arranged on two annular rings (34, 35) fitted coaxially above one another on a cylindrical end-piece (36) of the fixed connector (11).
  7. Sprinkler device according to claim 6, characterized in that each ring (34, 35) presents a semi-open shape having an elasticity enabling radial engagement on the end-piece (36).
EP08354091A 2008-01-07 2008-12-10 Sprinkler device with alternating or circular sprinkling cycle Active EP2077161B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0800053A FR2926030B1 (en) 2008-01-07 2008-01-07 SPRAY DEVICE WITH ALTERNATE OR CIRCULAR WATERING CYCLE

Publications (2)

Publication Number Publication Date
EP2077161A1 EP2077161A1 (en) 2009-07-08
EP2077161B1 true EP2077161B1 (en) 2010-09-15

Family

ID=39682540

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08354091A Active EP2077161B1 (en) 2008-01-07 2008-12-10 Sprinkler device with alternating or circular sprinkling cycle

Country Status (5)

Country Link
EP (1) EP2077161B1 (en)
AT (1) ATE481178T1 (en)
DE (1) DE602008002543D1 (en)
ES (1) ES2353160T3 (en)
FR (1) FR2926030B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102039232B (en) * 2010-11-19 2012-10-03 广东联塑科技实业有限公司 Rotating mechanism for spraying nozzle and no-rocker spraying nozzle applying same
IL238501B (en) * 2015-04-28 2019-02-28 Naandanjain Irrigation Ltd Part circle mechanism for impact sprinkler
CN112314413A (en) * 2020-10-28 2021-02-05 徐州沣收喷灌设备有限公司 Rotary spray gun for irrigation equipment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3606163A (en) * 1970-01-12 1971-09-20 Wright Rain Ltd Of Crowe Swing arm for rotary water sprinkler
US4497441A (en) * 1983-04-25 1985-02-05 Melnor Industries, Inc. Pulsating sprinkler
US4565323A (en) * 1983-05-02 1986-01-21 Action Pact, Inc. Sprinkler systems
US4978070A (en) * 1989-08-11 1990-12-18 Hunter-Melnor, Inc. Pulsating sprinkler

Also Published As

Publication number Publication date
ES2353160T3 (en) 2011-02-25
DE602008002543D1 (en) 2010-10-28
ATE481178T1 (en) 2010-10-15
EP2077161A1 (en) 2009-07-08
FR2926030B1 (en) 2010-06-18
FR2926030A1 (en) 2009-07-10

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