EP2182163A1 - Drive unit for blind with two output shafts - Google Patents

Drive unit for blind with two output shafts Download PDF

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Publication number
EP2182163A1
EP2182163A1 EP09174871A EP09174871A EP2182163A1 EP 2182163 A1 EP2182163 A1 EP 2182163A1 EP 09174871 A EP09174871 A EP 09174871A EP 09174871 A EP09174871 A EP 09174871A EP 2182163 A1 EP2182163 A1 EP 2182163A1
Authority
EP
European Patent Office
Prior art keywords
shaft
motor
actuator
output shaft
axis
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
EP09174871A
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German (de)
French (fr)
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EP2182163B1 (en
Inventor
Eric Lagarde
Didier Menetrier
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Somfy SA
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Somfy SA
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Publication date
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Priority to EP14154739.8A priority Critical patent/EP2733300B1/en
Publication of EP2182163A1 publication Critical patent/EP2182163A1/en
Application granted granted Critical
Publication of EP2182163B1 publication Critical patent/EP2182163B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/322—Details of operating devices, e.g. pulleys, brakes, spring drums, drives

Definitions

  • the invention relates to a drive actuator of a blind, with two output shafts, able to drive a blind by two drive shafts arranged in a horizontal box, on either side of the actuator. It also relates to a sun protection device comprising a blind actuated by such an actuator. Finally, it relates to a method for operating a blind.
  • Such blinds are for example slatted blinds, or Venetian blinds, arranged inside or outside buildings, for sun protection, or are for example indoor blinds pleated or bubbled type.
  • the actuator has two output shafts driven synchronously by a motor. Each output shaft of the actuator is connected to a drive shaft on which are generally arranged several belt or cord reels. A load bar is attached to the free ends of the strips or cords and the winding of these causes the rise of the load bar and the folding of the sun protection.
  • a motor causes the rotation of a lateral shaft by means of a transmission device.
  • the lateral shaft in turn enables the rotation of each output shaft by means of a gearbox connected to each output shaft.
  • a problem posed by this configuration is that it imposes a double return angle, performed each time by means of a wheel and worm assembly.
  • transmissions have a low efficiency, which explains why they are irreversible.
  • axial forces resulting from each meshing require the presence of bearings or thrust bearings.
  • the solution proposed in the prior art is therefore neither simple, nor economic in parts, nor energy efficient.
  • a first object of the invention consists of an actuator with two simplified output shafts.
  • a second object of the invention consists of an actuator with two output trees energy saving.
  • the actuator is defined by claim 1.
  • a first embodiment of actuator 10 comprises a housing 1, for example a sealed housing, from which a first output shaft 2 emerges on a first lateral face 1a and a second output shaft 3 on a second lateral face 1b, those being coaxial along a principal axis XX '.
  • the output shafts 2, 3 are respectively guided through the first lateral face 1a by a first guide means 2a and through the second lateral face 1b by a second guide means 3a.
  • the guide means are for example bearings or sealed bearings.
  • the output shafts 2, 3 are suitable for connection with driving shafts for driving a blind to form a sun protection device.
  • the actuator comprises an electric motor 4 fixed to the sealed housing 1 by at least one fastening means 4a, supplied with electricity by a not shown electrical power cable, and a driving shaft 4b of which is connected to the first output shaft 2 by 8.
  • the electric motor is preferably a geared motor of the tubular type, comprising one or more reduction stages planetary type planetary gear, this type of reducer having a high efficiency.
  • An immobilizing brake is advantageously contained in the geared motor to ensure the locking of the motor shaft when the engine is not powered.
  • the motor shaft rotates in a direction parallel to the main axis XX 'and may even be coaxial therewith.
  • the connecting means 8 preferably forms an additional reducing stage.
  • This additional reduction stage then has a fixed reference 8a, connected to the sealed housing, preferably connected to the first side face 1a.
  • the gear stage comprises a first gear on the drive shaft 4b and a second gear on the first output shaft 2.
  • the motor shaft and the output shaft are offset, while remaining parallel.
  • the reducing stage could include any other configuration, including more than two gears.
  • the connection means also comprises an immobilizing brake when it is not included in the engine.
  • connection means 8 is a simple sleeve and the motor shaft 4b is aligned with the output shafts 2, 3. In this case, there is no fixed reference 8a.
  • a lateral shaft 5 is disposed in the actuator 10, parallel to the output shafts 2, 3 and as far away as possible from them in order to have a maximum of room for housing the electric motor 4.
  • this lateral shaft 5 is guided by a third guide means 5a disposed on the first lateral face 1a and by a fourth guide means 5b disposed on the second side face 1b.
  • the guide means may also be located elsewhere on the sealed housing.
  • the lateral shaft thus extends over the entire length of the actuator 10, at the edge of the sealed housing 1. In a variant, it may not extend over the entire length, but at least protrude from other motor 4 to allow its connection with each of the output axes. As a remark, this lateral shaft 5 is distinct from the connection means 8.
  • a first meshing means 6 connects the first output shaft 2 to the lateral shaft 5. In engine operation, it is therefore the rotation of the first output shaft 2, driven directly by the motor 4 via the means 8, which ensures the rotation of the lateral shaft 5 via the first meshing means 6.
  • the first meshing means may consist of a gear wheel mounted on the first output shaft and a toothed wheel mounted on the lateral shaft.
  • a second meshing means 7 connects the second output shaft 3 to the lateral shaft 5. In engine operation, it is therefore the rotation of the lateral shaft 5 which causes the rotation of the second output shaft 3.
  • the second meshing means may consist of a toothed wheel mounted on the second output shaft and a toothed wheel mounted on the lateral shaft.
  • the meshing means 6, 7 may also have respectively an intermediate gear wheel between the toothed wheels mounted on the output shafts and the toothed wheels mounted on the lateral shaft.
  • a fifth guide means 6a and a sixth guide means 7a preferably connected to the first side face 1a and the second side face 1b guide the intermediate gear wheels.
  • each meshing means 6, 7 is represented by a solid arrow indicating the direction of transfer of the mechanical power during engine operation.
  • the first meshing means 6 has a speed multiplier effect, while the second meshing means 7 has a speed reducing effect, in the same proportion.
  • the transmission force in the lateral shaft 5 is optimized by the use of a speed faster than that of the output shafts.
  • the efficiency of meshing means without return angle is thus optimized.
  • the use of only two meshing means related to the lateral shaft makes it possible to achieve a simple and economical realization.
  • the first output shaft 2 is advantageously decomposed into a first output shaft portion 2b, connected to the connecting means 8 and the first meshing means 6, and to a second output shaft portion 2d separated from the first output shaft portion 2b. part by a voluntary game 2c, represented in dashed line on the figure 1 .
  • This voluntary game makes it possible to balance the involuntary game caused, on the second output shaft 3, by the first meshing 6 and the second meshing 7.
  • the game value is equal to the cumulative angular clearance of the first means of meshing and the second meshing means.
  • the first means and the second meshing means are provided with devices for catching up game, known to the man of the job.
  • These devices are simple to size and inexpensive because the problem of play catching is generally manifested only in the orientation movements of a blind slats.
  • the torque to provide is very low because the weight of the slats and the load bar of the blind is supported by cords shaped ladders. As a result, the elastic force necessary for a catch-up is very small.
  • the actuator has a first lateral face 1a delimited by a lateral contour C0, inscribed in a first contour C1 substantially square, or even rectangle. It is the same for the second side face 1b.
  • D denotes a diagonal
  • M a mediator
  • C2 an inscribed circle of the first contour C1.
  • the output shaft 2 is in the center of the lateral face 1a and the axis of the drive shaft 4b passes through the lateral face 1a according to a first point P4 situated between the diagonal D and the mediator M, this point being included in a third contour C3, deduced from the first contour C1 by 1/4 ratio homothety and center, the intersection of the diagonal D and the mediator M.
  • the motor is eccentric within the housing relative to the axis of the first output shaft.
  • the axis of the lateral shaft 5 crosses the lateral face according to a second point P5 situated opposite the first point P4, also between the diagonal D and the perpendicular bisector M, and substantially halfway between the inscribed circle C2 and a circle C4 representing the projection of the engine on the lateral face.
  • the lateral shaft is eccentric within the housing relative to the axis of the first output shaft.
  • the lateral face may have a volume form, especially because of pronounced holidays. In this case, all the contours described apply to the projection of this lateral face on a plane perpendicular to the output shafts.
  • the preferred embodiment described above has the advantage of a distribution of different trees that allows an optimization of the volume occupied by the various elements and therefore to achieve a compact solution.
  • this distribution of trees promotes the transmission of mechanical powers between them.
  • all rotating parts transmitting mechanical power in the actuator have a rotation axis parallel to the axis of the motor shaft.
  • the concept of the invention can be implemented by other configurations.
  • the vertical mediator was used in the preferred embodiment, but a configuration with interesting results could be obtained from the other horizontal mediator.
  • the other diagonal could have been chosen to obtain an equivalent symmetrical result.
  • the projected axis P5 of the lateral shaft 5 and the projected axis P4 of the motor positioned in opposite angular sectors.
  • the projected point P5 of the lateral shaft 5 will be towards the periphery of the inscribed circle C2, at a distance from the center of this circle greater than half of its radius, whereas the projected point P4 of the motor will be rather close to the center of this inscribed circle C2, preferably at a distance of less than a quarter of its radius.
  • the volume released along the motor between the lateral shaft, the housing and the motor is advantageously used to house electrical components of the actuator, in particular a capacitor permanent phase shift if the motor is single-phase induction type and requires such a capacitor.
  • the figure 3 shows schematically and partially in front view a second embodiment of actuator 20 according to an alternative embodiment of the invention relating to the connection of a drive shaft 49 to the actuator. References to those of the figure 1 can be deduced by adding the number 20.
  • actuators with two output shafts to use on each shaft a hollow outlet sleeve, whose hollow portion is shaped so as to adapt from a first side to the output shaft and a second side to the drive shaft.
  • the latter generally have various shapes (square, hexagonal).
  • the installer chooses the appropriate output sleeve. This sleeve is then immobilized on the output shaft by screwing, therein, an axial screw.
  • an outlet sleeve 50 is directly inserted into an output shaft 23 of the actuator.
  • the output shaft 23 has a large diameter, is guided by a guide means 23a adapted to this large diameter, and comprises a first recess 23x, for example of hexagonal shape.
  • the first hollow can be through.
  • the outlet sleeve 50 comprises a projection 50a complementary to the first recess 23x and a second recess 50b whose shape is adapted to that of a drive shaft 49.
  • the output shaft 23 also serves as part meshing means with a lateral shaft 25.
  • a pinion 27b is fitted on the lateral shaft 25 and cooperates with an external toothing 27c of the output shaft.
  • the alternative embodiment of the invention of the figure 3 represents in particular the second meshing means 27. It likewise applies to a first meshing means 26.
  • the figure 4 represents in section the first meshing means 26 of the actuator 20.
  • the section is made in a plane simultaneously containing the main axis XX 'and the axis of the lateral shaft 25.
  • an output shaft 22 also serves as part of meshing means with the lateral shaft 25, by means of a pinion 26b fitted on the lateral shaft.
  • the lateral shaft is guided by a bearing 25a connected to a first lateral face, not shown.
  • a toothing 26i of the pinion 26b cooperates with an external toothing 26c of the output shaft 22.
  • the output shaft is guided by a guide means 22a, for example a plain bearing.
  • This guide means also serves to guide the first meshing means 6.
  • the output shaft comprises an external hollow 22x identical to the hollow of the figure 3 .
  • the gears 26b and 27b are identical and likewise the external teeth 26c and 27c are identical.
  • the output shaft also comprises an internal hollow 22y provided with an internal toothing 26m.
  • This internal toothing cooperates with a toothing 26k of a drive pinion 26j fitted on a first output shaft portion 22b.
  • the figure 5 partially shows in perspective an alternative embodiment of the first meshing means, applied to a third embodiment of actuator 30. References to those of the figure 1 can be deduced by adding the number 30.
  • a first output shaft portion 32b and a drive gear 36j (both masked in the figure) rotate an output shaft 32, in turn transmitting a rotational movement to a side shaft 35 to the using an external toothing 36c cooperating with a pinion 36b fitted on the lateral shaft.
  • This variant makes it possible to improve the second embodiment by using guiding means 36 in the form of a first guide.
  • additional 36a, a second additional guide 36a 'and a third additional guide 36a "Each additional guide is provided by a pinion mounted in free rotation on a guide shaft, for example, the first additional guide 36a is formed by a pinion 36f in free rotation on a guide shaft 36g
  • the guide shaft is fitted on the first lateral face Alternatively, the guide shafts are placed in bearings connected to the first lateral face.
  • the figure 6 represents in section the first meshing means according to the variant embodiment.
  • the cutting plane is parallel to the average plane of the teeth of the figure 5 and chosen as it also cuts the drive sprocket 36j. For simplicity, the teeth are represented without play.
  • the additional guides 36a, 36a 'and 36a are preferably made using gears, but one could likewise use simple rollers in contact with one or two smooth bearings machined on the output shaft, on the one hand and on the other. other of the external toothing.
  • the pinion 36b of the lateral shaft participates in guiding the output shaft. This is therefore guided by four guide elements, preferably arranged at 90 ° relative to each other. Alternatively, it would be possible to simply use two additional guides only, placing them preferably at 120 ° with respect to the pinion of the lateral shaft.
  • the figure 7 is partially exploded perspective and on a smaller scale than in the previous figures a fourth actuator embodiment 40 in which an output shaft 42 is decomposed into three Oldham seal outlet pieces.
  • a first output piece 42p is locked in translation by an integral output bearing of a not shown housing.
  • This ring-shaped piece includes a recess 42x similar to the recesses 22x and 32x.
  • the first exit piece also includes an Oldham notch.
  • a second exit piece 42q includes an Oldham cross.
  • a third output piece 42r comprises an Oldham rail and comprises an external toothing 46c fulfilling the same functions as the external teeth 36c and 26c.
  • the second output piece slides in both the first output piece and the third output piece.
  • each output shaft of the actuator 40 thus comprises an Oldham seal, which allows any disengagement of the drive shafts with respect to the main axis XX ', the latter being then defined by the centers of each third exit room.
  • the actuator comprises meshing means. It is clear that one and / or the other of these meshing means can be replaced by any transmission means, such as in particular a belt or chain transmission means or a friction transmission means.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Gear Transmission (AREA)

Abstract

The actuator (10) has an electric motor (4) i.e. tubular gear motor, for synchronously driving two coaxial output shafts (2, 3). A lateral shaft (5) is connected to one of the output shafts by a gear mesh unit (7) for rotatably driving the output shaft, where a rotation axis of the lateral shaft is parallel to a main axis. A part (2b) of another output shaft is connected to the lateral shaft by another transmission unit (6), so that the lateral shaft is rotated, when the motor is in operation.

Description

L'invention concerne un actionneur d'entraînement d'un store, à deux arbres de sortie, apte à entraîner un store par deux arbres d'entraînement disposés, dans un caisson horizontal, de part et d'autre de l'actionneur. Elle concerne aussi un dispositif de protection solaire comprenant un store actionné par un tel actionneur. Enfin, elle concerne un procédé pour actionner un store.The invention relates to a drive actuator of a blind, with two output shafts, able to drive a blind by two drive shafts arranged in a horizontal box, on either side of the actuator. It also relates to a sun protection device comprising a blind actuated by such an actuator. Finally, it relates to a method for operating a blind.

De tels stores sont par exemple des stores à lamelles, ou stores vénitiens, disposés à l'intérieur ou à l'extérieur des bâtiments, pour la protection solaire, ou sont par exemple des stores intérieurs de type plissé ou bouillonné.Such blinds are for example slatted blinds, or Venetian blinds, arranged inside or outside buildings, for sun protection, or are for example indoor blinds pleated or bubbled type.

L'actionneur présente deux arbres de sortie entraînés de manière synchrone par un moteur. Chaque arbre de sortie de l'actionneur est raccordé à un arbre d'entraînement sur lequel sont disposés généralement plusieurs enrouleurs à bande ou à cordon. Une barre de charge est attachée aux extrémités libres des bandes ou des cordons et l'enroulement de ceux-ci provoque la remontée de la barre de charge ainsi que le repliement de la protection solaire.The actuator has two output shafts driven synchronously by a motor. Each output shaft of the actuator is connected to a drive shaft on which are generally arranged several belt or cord reels. A load bar is attached to the free ends of the strips or cords and the winding of these causes the rise of the load bar and the folding of the sun protection.

Un tel dispositif est décrit dans le brevet DE 1 077 104 . Un moteur provoque la rotation d'un arbre latéral au moyen d'un dispositif de transmission. L'arbre latéral permet à son tour d'actionner la rotation de chaque arbre de sortie au moyen d'un réducteur lié à chaque arbre de sortie. Outre des difficultés de montage pour l'installateur, un problème posé par cette configuration est qu'elle impose un double renvoi d'angle, effectué chaque fois au moyen d'un ensemble roue et vis sans fin. Or, il est connu que de telles transmissions présentent un faible rendement, ce qui explique d'ailleurs leur caractère irréversible. De plus, des efforts axiaux résultant de chaque engrènement nécessitent la présence de roulements ou de butées à billes. La solution proposée dans l'art antérieur n'est donc ni simple de réalisation, ni économique en pièces, ni économe en énergie.Such a device is described in the patent DE 1,077,104 . A motor causes the rotation of a lateral shaft by means of a transmission device. The lateral shaft in turn enables the rotation of each output shaft by means of a gearbox connected to each output shaft. In addition to mounting difficulties for the installer, a problem posed by this configuration is that it imposes a double return angle, performed each time by means of a wheel and worm assembly. However, it is known that such transmissions have a low efficiency, which explains why they are irreversible. In addition, axial forces resulting from each meshing require the presence of bearings or thrust bearings. The solution proposed in the prior art is therefore neither simple, nor economic in parts, nor energy efficient.

Ainsi, il existe un besoin d'une autre solution pour un actionneur à deux arbres de sortie, qui ne présente pas les inconvénients de l'état de la technique.Thus, there is a need for another solution for an actuator with two output shafts, which does not have the drawbacks of the state of the art.

Plus précisément, un premier objet de l'invention consiste en un actionneur à deux arbres de sortie simplifié.More specifically, a first object of the invention consists of an actuator with two simplified output shafts.

Un second objet de l'invention consiste en un actionneur à deux arbres de sortie économe en énergie.A second object of the invention consists of an actuator with two output trees energy saving.

Selon l'invention, l'actionneur est défini par la revendication 1.According to the invention, the actuator is defined by claim 1.

Différents modes de réalisation de l'actionneur selon l'invention sont définis par les revendications 2 à 15.Different embodiments of the actuator according to the invention are defined by claims 2 to 15.

Ces objets, caractéristiques et avantages de la présente invention seront exposés en détail dans la description suivante de quatre modes d'exécution faite à titre non-limitatif en relation avec les figures jointes parmi lesquelles :

  • La figure 1 représente schématiquement en vue de face un actionneur selon un premier mode d'exécution de l'invention.
  • La figure 2 représente schématiquement en vue de côté l'actionneur selon le premier mode d'exécution de l'invention.
  • La figure 3 représente schématiquement et partiellement en vue de face un deuxième mode d'exécution d'un actionneur selon l'invention.
  • La figure 4 représente en coupe un premier moyen d'engrènement du deuxième mode d'exécution de l'actionneur.
  • La figure 5 représente partiellement en perspective un troisième mode d'exécution d'un actionneur selon l'invention.
  • La figure 6 représente en coupe le premier moyen d'engrènement un troisième mode d'exécution de l'actionneur selon l'invention.
  • La figure 7 représente en perspective éclatée un quatrième mode d'exécution d'un actionneur selon l'invention.
These objects, features and advantages of the present invention will be set forth in detail in the following description of four embodiments made in a non-limiting manner in relation to the appended figures among which:
  • The figure 1 schematically shows in front view an actuator according to a first embodiment of the invention.
  • The figure 2 schematically shows in side view the actuator according to the first embodiment of the invention.
  • The figure 3 shows schematically and partially in front view a second embodiment of an actuator according to the invention.
  • The figure 4 represents in section a first meshing means of the second embodiment of the actuator.
  • The figure 5 partially shows in perspective a third embodiment of an actuator according to the invention.
  • The figure 6 represents in section the first meshing means a third embodiment of the actuator according to the invention.
  • The figure 7 represents in exploded perspective a fourth embodiment of an actuator according to the invention.

Un premier mode d'exécution d'actionneur 10 comprend un boîtier 1, par exemple un boîtier étanche, dont sortent un premier arbre de sortie 2 sur une première face latérale 1a et un deuxième arbre de sortie 3 sur une deuxième face latérale 1b, ceux-ci étant coaxiaux selon un axe principal XX'. Les arbres de sortie 2, 3 sont guidés respectivement à travers la première face latérale 1 a par un premier moyen de guidage 2a et à travers la deuxième face latérale 1 b par un deuxième moyen de guidage 3a. Les moyens de guidage sont par exemple des paliers ou des roulements étanches. Les arbres de sortie 2, 3 sont aptes à une liaison avec des arbres d'entraînement permettant l'entraînement d'un store, pour former un dispositif de protection solaire.A first embodiment of actuator 10 comprises a housing 1, for example a sealed housing, from which a first output shaft 2 emerges on a first lateral face 1a and a second output shaft 3 on a second lateral face 1b, those being coaxial along a principal axis XX '. The output shafts 2, 3 are respectively guided through the first lateral face 1a by a first guide means 2a and through the second lateral face 1b by a second guide means 3a. The guide means are for example bearings or sealed bearings. The output shafts 2, 3 are suitable for connection with driving shafts for driving a blind to form a sun protection device.

L'actionneur comprend un moteur électrique 4 fixé au boîtier étanche 1 par au moins un moyen de fixation 4a, alimenté en électricité par un câble électrique d'alimentation non représenté, et dont un arbre moteur 4b est raccordé au premier arbre de sortie 2 par un moyen de raccordement 8. Le moteur électrique est préférentiellement un moto-réducteur de type tubulaire, comprenant un ou plusieurs étages de réduction de type planétaire à trains épicycloïdaux, ce type de réducteur présentant un haut rendement. Un frein d'immobilisation est avantageusement contenu dans le moto-réducteur pour assurer le blocage de l'arbre moteur quand le moteur n'est pas alimenté. L'arbre moteur tourne selon une direction parallèle à l'axe principal XX' et peut même être coaxial avec celui-ci.The actuator comprises an electric motor 4 fixed to the sealed housing 1 by at least one fastening means 4a, supplied with electricity by a not shown electrical power cable, and a driving shaft 4b of which is connected to the first output shaft 2 by 8. The electric motor is preferably a geared motor of the tubular type, comprising one or more reduction stages planetary type planetary gear, this type of reducer having a high efficiency. An immobilizing brake is advantageously contained in the geared motor to ensure the locking of the motor shaft when the engine is not powered. The motor shaft rotates in a direction parallel to the main axis XX 'and may even be coaxial therewith.

Le moyen de raccordement 8 forme de préférence un étage réducteur supplémentaire. Cet étage réducteur supplémentaire présente alors une référence fixe 8a, liée au boîtier étanche, de préférence liée à la première face latérale 1a. L'étage réducteur comprend un premier pignon sur l'arbre moteur 4b et un deuxième pignon sur le premier arbre de sortie 2. L'arbre moteur et l'arbre de sortie sont donc décalés, tout en restant parallèles. En variante, l'étage réducteur pourrait comprendre toute autre configuration, notamment plus de deux pignons. Le moyen de raccordement comprend aussi un frein d'immobilisation quand celui-ci n'est pas compris dans le moteur.The connecting means 8 preferably forms an additional reducing stage. This additional reduction stage then has a fixed reference 8a, connected to the sealed housing, preferably connected to the first side face 1a. The gear stage comprises a first gear on the drive shaft 4b and a second gear on the first output shaft 2. The motor shaft and the output shaft are offset, while remaining parallel. Alternatively, the reducing stage could include any other configuration, including more than two gears. The connection means also comprises an immobilizing brake when it is not included in the engine.

Selon une variante de réalisation, le moyen de raccordement 8 est un simple manchon et l'arbre moteur 4b est aligné avec les arbres de sortie 2, 3. Dans ce cas, il n'existe pas de référence fixe 8a.According to an alternative embodiment, the connection means 8 is a simple sleeve and the motor shaft 4b is aligned with the output shafts 2, 3. In this case, there is no fixed reference 8a.

Un arbre latéral 5 est disposé dans l'actionneur 10, parallèlement aux arbres de sortie 2, 3 et de manière aussi éloignée que possible de ceux-ci afin de disposer d'un maximum de place pour loger le moteur électrique 4. Préférentiellement, cet arbre latéral 5 est guidé par un troisième moyen de guidage 5a disposé sur la première face latérale 1a et par un quatrième moyen de guidage 5b disposé sur la deuxième face latérale 1b. Les moyens de guidage peuvent aussi être situés ailleurs sur le boîtier étanche. L'arbre latéral s'étend ainsi sur toute la longueur de l'actionneur 10, au niveau du bord du boîtier étanche 1. En variante, il pourrait ne pas s'étendre sur toute cette longueur, mais au moins dépasser de part et d'autre du moteur 4 pour permettre sa liaison avec chacun des axes de sortie. En remarque, cet arbre latéral 5 est distinct du moyen de raccordement 8.A lateral shaft 5 is disposed in the actuator 10, parallel to the output shafts 2, 3 and as far away as possible from them in order to have a maximum of room for housing the electric motor 4. Preferably, this lateral shaft 5 is guided by a third guide means 5a disposed on the first lateral face 1a and by a fourth guide means 5b disposed on the second side face 1b. The guide means may also be located elsewhere on the sealed housing. The lateral shaft thus extends over the entire length of the actuator 10, at the edge of the sealed housing 1. In a variant, it may not extend over the entire length, but at least protrude from other motor 4 to allow its connection with each of the output axes. As a remark, this lateral shaft 5 is distinct from the connection means 8.

Un premier moyen d'engrènement 6 relie le premier arbre de sortie 2 à l'arbre latéral 5. En fonctionnement moteur, c'est donc la rotation du premier arbre de sortie 2, entraîné directement par le moteur 4 par l'intermédiaire du moyen de raccordement 8, qui assure la rotation de l'arbre latéral 5 par l'intermédiaire du premier moyen d'engrènement 6. Le premier moyen d'engrènement peut être constitué d'une roue dentée montée sur le premier arbre de sortie et d'une roue dentée montée sur l'arbre latéral.A first meshing means 6 connects the first output shaft 2 to the lateral shaft 5. In engine operation, it is therefore the rotation of the first output shaft 2, driven directly by the motor 4 via the means 8, which ensures the rotation of the lateral shaft 5 via the first meshing means 6. The first meshing means may consist of a gear wheel mounted on the first output shaft and a toothed wheel mounted on the lateral shaft.

Un deuxième moyen d'engrènement 7 relie le deuxième arbre de sortie 3 à l'arbre latéral 5. En fonctionnement moteur, c'est donc la rotation de l'arbre latéral 5 qui entraîne la rotation du deuxième arbre de sortie 3. Le deuxième moyen d'engrènement peut être constitué d'une roue dentée montée sur le deuxième arbre de sortie et d'une roue dentée montée sur l'arbre latéral.A second meshing means 7 connects the second output shaft 3 to the lateral shaft 5. In engine operation, it is therefore the rotation of the lateral shaft 5 which causes the rotation of the second output shaft 3. The second meshing means may consist of a toothed wheel mounted on the second output shaft and a toothed wheel mounted on the lateral shaft.

Les moyens d'engrènement 6, 7 peuvent aussi disposer respectivement d'une roue dentée intermédiaire entre les roues dentées montées sur les arbres de sortie et les roues dentées montées sur l'arbre latéral. Dans ce cas, un cinquième moyen de guidage 6a et d'un sixième moyen de guidage 7a, préférentiellement raccordés à la première face latérale 1a et à la deuxième face latérale 1 b guident les roues dentées intermédiaires.The meshing means 6, 7 may also have respectively an intermediate gear wheel between the toothed wheels mounted on the output shafts and the toothed wheels mounted on the lateral shaft. In this case, a fifth guide means 6a and a sixth guide means 7a, preferably connected to the first side face 1a and the second side face 1b guide the intermediate gear wheels.

Sur la figure 1, chaque moyen d'engrènement 6, 7 est représenté par une flèche pleine, indiquant le sens de transfert de la puissance mécanique lors d'un fonctionnement moteur.On the figure 1 each meshing means 6, 7 is represented by a solid arrow indicating the direction of transfer of the mechanical power during engine operation.

Préférentiellement, le premier moyen d'engrènement 6 a un effet multiplicateur de vitesse, tandis que le deuxième moyen d'engrènement 7 a un effet réducteur de vitesse, dans la même proportion. Ainsi l'effort de transmission dans l'arbre latéral 5 est optimisé par l'usage d'une vitesse plus rapide que celle des arbres de sortie. Le rendement de moyens d'engrènement sans renvoi d'angle est ainsi optimisé. De plus, l'utilisation de seulement deux moyens d'engrènement liés à l'arbre latéral permet d'atteindre une réalisation simple et économique.Preferably, the first meshing means 6 has a speed multiplier effect, while the second meshing means 7 has a speed reducing effect, in the same proportion. Thus the transmission force in the lateral shaft 5 is optimized by the use of a speed faster than that of the output shafts. The efficiency of meshing means without return angle is thus optimized. In addition, the use of only two meshing means related to the lateral shaft makes it possible to achieve a simple and economical realization.

Le premier arbre de sortie 2 est avantageusement décomposé en une première partie d'arbre de sortie 2b, raccordée au moyen de raccordement 8 et au premier moyen d'engrènement 6, et en une deuxième partie d'arbre de sortie 2d séparée de la première partie par un jeu volontaire 2c, représenté en trait pointillé sur la figure 1. Ce jeu volontaire permet d'équilibrer le jeu involontaire provoqué, sur le deuxième arbre de sortie 3, par le premier engrènement 6 et le deuxième engrènement 7. A cet effet, la valeur de jeu est égale au jeu angulaire cumulé du premier moyen d'engrènement et du deuxième moyen d'engrènement.The first output shaft 2 is advantageously decomposed into a first output shaft portion 2b, connected to the connecting means 8 and the first meshing means 6, and to a second output shaft portion 2d separated from the first output shaft portion 2b. part by a voluntary game 2c, represented in dashed line on the figure 1 . This voluntary game makes it possible to balance the involuntary game caused, on the second output shaft 3, by the first meshing 6 and the second meshing 7. For this purpose, the game value is equal to the cumulative angular clearance of the first means of meshing and the second meshing means.

Alternativement, le premier moyen et le deuxième moyen d'engrènement sont munis de dispositifs à rattrapage de jeu, connus de l'homme du métier. Ces dispositifs sont simples à dimensionner et peu coûteux du fait que le problème du rattrapage de jeu ne se manifeste généralement que dans les mouvements d'orientation d'un store à lamelles. Or quand un tel store à lamelles est déployé, le couple à fournir est très faible car le poids des lamelles et de la barre de charge du store est supporté par des cordons en forme d'échelles. II en résulte que l'effort élastique nécessaire à un rattrapage de jeu est très faible.Alternatively, the first means and the second meshing means are provided with devices for catching up game, known to the man of the job. These devices are simple to size and inexpensive because the problem of play catching is generally manifested only in the orientation movements of a blind slats. However, when such a blind lamella is deployed, the torque to provide is very low because the weight of the slats and the load bar of the blind is supported by cords shaped ladders. As a result, the elastic force necessary for a catch-up is very small.

Dans ce mode de réalisation préféré, représenté à la figure 2 en vue de côté, l'actionneur présente une première face latérale 1a délimitée par un contour latéral C0, inscrit dans un premier contour C1 sensiblement carré, voire rectangle. II en est de même pour la deuxième face latérale 1 b. On désigne par D une diagonale, par M une médiatrice et par C2 un cercle inscrit du premier contour C1.In this preferred embodiment, shown in FIG. figure 2 in side view, the actuator has a first lateral face 1a delimited by a lateral contour C0, inscribed in a first contour C1 substantially square, or even rectangle. It is the same for the second side face 1b. D denotes a diagonal, M a mediator and C2 an inscribed circle of the first contour C1.

L'arbre de sortie 2 est au centre de la face latérale 1a et l'axe de l'arbre moteur 4b traverse la face latérale 1a selon un premier point P4 situé entre la diagonale D et la médiatrice M, ce point étant inclus dans un troisième contour C3, déduit du premier contour C1 par homothétie de rapport 1/4 et de centre, l'intersection de la diagonale D et de la médiatrice M. En d'autres termes, le moteur est excentré au sein du boîtier par rapport à l'axe du premier arbre de sortie.The output shaft 2 is in the center of the lateral face 1a and the axis of the drive shaft 4b passes through the lateral face 1a according to a first point P4 situated between the diagonal D and the mediator M, this point being included in a third contour C3, deduced from the first contour C1 by 1/4 ratio homothety and center, the intersection of the diagonal D and the mediator M. In other words, the motor is eccentric within the housing relative to the axis of the first output shaft.

L'axe de l'arbre latéral 5 traverse la face latérale selon un deuxième point P5 situé à l'opposé du premier point P4, également entre la diagonale D et la médiatrice M, et sensiblement à mi-distance entre le cercle inscrit C2 et un cercle C4 représentant la projection du moteur sur la face latérale. En d'autres termes, l'arbre latéral est excentré au sein du boîtier par rapport à l'axe du premier arbre de sortie.The axis of the lateral shaft 5 crosses the lateral face according to a second point P5 situated opposite the first point P4, also between the diagonal D and the perpendicular bisector M, and substantially halfway between the inscribed circle C2 and a circle C4 representing the projection of the engine on the lateral face. In other words, the lateral shaft is eccentric within the housing relative to the axis of the first output shaft.

La face latérale peut présenter une forme volumique, notamment du fait de congés prononcés. Dans ce cas, tous les contours décrits s'appliquent à la projection de cette face latérale sur un plan perpendiculaire aux arbres de sortie.The lateral face may have a volume form, especially because of pronounced holidays. In this case, all the contours described apply to the projection of this lateral face on a plane perpendicular to the output shafts.

Le mode d'exécution préféré décrit ci-dessus présente l'avantage d'une répartition des différents arbres qui permet une optimisation du volume occupé par les différents éléments et donc d'atteindre une solution compacte. De plus, cette répartition des arbres favorise la transmission des puissances mécaniques entre eux.The preferred embodiment described above has the advantage of a distribution of different trees that allows an optimization of the volume occupied by the various elements and therefore to achieve a compact solution. In addition, this distribution of trees promotes the transmission of mechanical powers between them.

Dans le mode de réalisation préféré, avec un réducteur de type planétaire dans le moteur, toutes les pièces en rotation transmettant de la puissance mécanique dans l'actionneur (arbres, étages de réduction et moyens d'engrènement) ont pour axe de rotation une direction parallèle à l'axe de l'arbre du moteur.In the preferred embodiment, with a planetary type gearbox in the motor, all rotating parts transmitting mechanical power in the actuator (shafts, reduction stages and meshing means) have a rotation axis parallel to the axis of the motor shaft.

Naturellement, le concept de l'invention peut être mis en oeuvre par d'autres configurations. Par exemple, la médiatrice verticale a été utilisée dans le mode d'exécution préféré mais on pourrait obtenir une configuration présentant des résultats intéressants à partir de l'autre médiatrice horizontale. De même, l'autre diagonale aurait pu être choisie pour obtenir un résultat symétrique équivalent. II reste avantageux d'avoir l'axe projeté P5 de l'arbre latéral 5 et l'axe projeté P4 du moteur positionnés dans des secteurs angulaires opposés. De plus, le point projeté P5 de l'arbre latéral 5 se trouvera vers la périphérie du cercle inscrit C2, à une distance du centre de ce cercle supérieure à la moitié de son rayon, alors que le point projeté P4 du moteur se trouvera plutôt proche du centre de ce cercle inscrit C2, de préférence à une distance de moins du quart de son rayon.Naturally, the concept of the invention can be implemented by other configurations. For example, the vertical mediator was used in the preferred embodiment, but a configuration with interesting results could be obtained from the other horizontal mediator. Similarly, the other diagonal could have been chosen to obtain an equivalent symmetrical result. It remains advantageous to have the projected axis P5 of the lateral shaft 5 and the projected axis P4 of the motor positioned in opposite angular sectors. In addition, the projected point P5 of the lateral shaft 5 will be towards the periphery of the inscribed circle C2, at a distance from the center of this circle greater than half of its radius, whereas the projected point P4 of the motor will be rather close to the center of this inscribed circle C2, preferably at a distance of less than a quarter of its radius.

Enfin, le volume libéré le long du moteur entre l'arbre latéral, le boîtier et le moteur, grâce à l'excentration du moteur au sein du boîtier étanche, est avantageusement utilisé pour loger des composants électriques de l'actionneur, notamment un condensateur de déphasage permanent si le moteur est de type monophasé à induction et nécessite un tel condensateur.Finally, the volume released along the motor between the lateral shaft, the housing and the motor, thanks to the eccentricity of the motor within the sealed housing, is advantageously used to house electrical components of the actuator, in particular a capacitor permanent phase shift if the motor is single-phase induction type and requires such a capacitor.

La figure 3 représente schématiquement et partiellement en vue de face un deuxième mode d'exécution d'actionneur 20 selon une variante d'exécution de l'invention relative au raccordement d'un arbre d'entraînement 49 à l'actionneur. Des références homologues à celles de la figure 1 se déduisent par l'ajout du nombre 20.The figure 3 shows schematically and partially in front view a second embodiment of actuator 20 according to an alternative embodiment of the invention relating to the connection of a drive shaft 49 to the actuator. References to those of the figure 1 can be deduced by adding the number 20.

II est connu pour des actionneurs à deux arbres de sortie d'utiliser sur chaque arbre un manchon de sortie creux, dont la partie creuse est conformée de manière à s'adapter d'un premier côté à l'arbre de sortie et d'un deuxième côté à l'arbre d'entraînement. Ces derniers présentent en général des formes variées (carré, hexagonal). Selon l'arbre d'entraînement utilisé, l'installateur choisit le manchon de sortie adapté. Ce manchon est alors immobilisé sur l'arbre de sortie par vissage, dans celui-ci, d'une vis axiale.It is known for actuators with two output shafts to use on each shaft a hollow outlet sleeve, whose hollow portion is shaped so as to adapt from a first side to the output shaft and a second side to the drive shaft. The latter generally have various shapes (square, hexagonal). Depending on the drive shaft used, the installer chooses the appropriate output sleeve. This sleeve is then immobilized on the output shaft by screwing, therein, an axial screw.

Selon la variante de la figure 3, un manchon de sortie 50 est directement inséré dans un arbre de sortie 23 de l'actionneur. L'arbre de sortie 23 présente un diamètre important, est guidé par un moyen de guidage 23a adapté à ce grand diamètre, et comprend un premier creux 23x, par exemple de forme hexagonale. Le premier creux peut être traversant. Le manchon de sortie 50 comprend une saillie 50a, complémentaire du premier creux 23x et un deuxième creux 50b dont la forme est adaptée à celle d'un arbre d'entraînement 49. Ainsi, une fois les pièces emmanchées dans chaque creux, un strict minimum d'espace est perdu entre l'actionneur et l'arbre d'entraînement. Ceci est d'autant plus avantageux qu'il est parfois nécessaire d'insérer un dispositif d'enroulement sur l'arbre d'entraînement au plus près de l'actionneur.According to the variant of the figure 3 , an outlet sleeve 50 is directly inserted into an output shaft 23 of the actuator. The output shaft 23 has a large diameter, is guided by a guide means 23a adapted to this large diameter, and comprises a first recess 23x, for example of hexagonal shape. The first hollow can be through. The outlet sleeve 50 comprises a projection 50a complementary to the first recess 23x and a second recess 50b whose shape is adapted to that of a drive shaft 49. Thus, once the parts fitted into each recess, a bare minimum space is lost between the actuator and the drive shaft. This is all the more advantageous that it is sometimes necessary to insert a winding device on the drive shaft closer to the actuator.

Dans la variante de la figure 3, l'arbre de sortie 23 sert également pour partie de moyen d'engrènement avec un arbre latéral 25. Un pignon 27b est emmanché sur l'arbre latéral 25 et coopère avec une denture extérieure 27c de l'arbre de sortie. La combinaison de plusieurs fonctions sur la même pièce renforce le caractère compact et économique de l'actionneur.In the variant of the figure 3 , the output shaft 23 also serves as part meshing means with a lateral shaft 25. A pinion 27b is fitted on the lateral shaft 25 and cooperates with an external toothing 27c of the output shaft. The combination of several functions on the same part enhances the compact and economic nature of the actuator.

La variante d'exécution de l'invention de la figure 3 représente en particulier le deuxième moyen d'engrènement 27. Elle s'applique de même à un premier moyen d'engrènement 26.The alternative embodiment of the invention of the figure 3 represents in particular the second meshing means 27. It likewise applies to a first meshing means 26.

La figure 4 représente en coupe le premier moyen d'engrènement 26 de l'actionneur 20. La coupe est réalisée dans un plan contenant simultanément l'axe principal XX' et l'axe de l'arbre latéral 25.The figure 4 represents in section the first meshing means 26 of the actuator 20. The section is made in a plane simultaneously containing the main axis XX 'and the axis of the lateral shaft 25.

Comme précédemment, un arbre de sortie 22 sert également pour partie de moyen d'engrènement avec l'arbre latéral 25, au moyen d'un pignon 26b emmanché sur l'arbre latéral.As before, an output shaft 22 also serves as part of meshing means with the lateral shaft 25, by means of a pinion 26b fitted on the lateral shaft.

L'arbre latéral est guidé par un palier 25a raccordé à une première face latérale, non représentée.The lateral shaft is guided by a bearing 25a connected to a first lateral face, not shown.

Une denture 26i du pignon 26b coopère avec une denture extérieure 26c de l'arbre de sortie 22.A toothing 26i of the pinion 26b cooperates with an external toothing 26c of the output shaft 22.

L'arbre de sortie est guidé par un moyen de guidage 22a, par exemple un palier lisse. Ce moyen de guidage sert également de guidage au premier moyen d'engrènement 6. L'arbre de sortie comprend un creux externe 22x identique au creux de la figure 3.The output shaft is guided by a guide means 22a, for example a plain bearing. This guide means also serves to guide the first meshing means 6. The output shaft comprises an external hollow 22x identical to the hollow of the figure 3 .

Les pignons 26b et 27b sont identiques et de même les dentures extérieures 26c et 27c sont identiques.The gears 26b and 27b are identical and likewise the external teeth 26c and 27c are identical.

Avantageusement, l'arbre de sortie comprend également un creux interne 22y muni d'une denture intérieure 26m. Cette denture intérieure coopère avec une denture 26k d'un pignon d'entraînement 26j emmanché sur une première partie d'arbre de sortie 22b.Advantageously, the output shaft also comprises an internal hollow 22y provided with an internal toothing 26m. This internal toothing cooperates with a toothing 26k of a drive pinion 26j fitted on a first output shaft portion 22b.

Ainsi, le mouvement de rotation de l'ensemble moto-réducteur est transmis avec réduction de vitesse à l'arbre de sortie 22 et multiplication de vitesse à l'arbre latéral 25.Thus, the rotational movement of the geared motor unit is transmitted with speed reduction to the output shaft 22 and speed multiplication to the lateral shaft 25.

La figure 5 représente partiellement en perspective une variante de réalisation du premier moyen d'engrènement, appliquée à un troisième mode d'exécution d'actionneur 30. Des références homologues à celles de la figure 1 se déduisent par l'ajout du nombre 30. Comme dans le cas de la figure 4, une première partie d'arbre de sortie 32b et un pignon d'entraînement 36j (tous deux masqués sur la figure) entraînent en rotation un arbre de sortie 32, transmettant à son tour un mouvement de rotation à un arbre latéral 35 à l'aide d'une denture externe 36c coopérant avec un pignon 36b emmanché sur l'arbre latéral.The figure 5 partially shows in perspective an alternative embodiment of the first meshing means, applied to a third embodiment of actuator 30. References to those of the figure 1 can be deduced by adding the number 30. As in the case of the figure 4 a first output shaft portion 32b and a drive gear 36j (both masked in the figure) rotate an output shaft 32, in turn transmitting a rotational movement to a side shaft 35 to the using an external toothing 36c cooperating with a pinion 36b fitted on the lateral shaft.

Cette variante permet d'améliorer le deuxième mode de réalisation en utilisant un moyen de guidage 36 sous forme d'un premier guidage additionnel 36a, un deuxième guidage additionnel 36a' et un troisième guidage additionnel 36a". Chaque guidage additionnel est réalisé par un pignon monté en rotation libre sur un arbre de guidage. Par exemple, le premier guidage additionnel 36a est réalisé par un pignon 36f en rotation libre sur un arbre de guidage 36g. L'arbre de guidage est emmanché sur la première face latérale. Alternativement, les arbres de guidage sont placés dans des paliers raccordés à la première face latérale.This variant makes it possible to improve the second embodiment by using guiding means 36 in the form of a first guide. additional 36a, a second additional guide 36a 'and a third additional guide 36a "Each additional guide is provided by a pinion mounted in free rotation on a guide shaft, for example, the first additional guide 36a is formed by a pinion 36f in free rotation on a guide shaft 36g The guide shaft is fitted on the first lateral face Alternatively, the guide shafts are placed in bearings connected to the first lateral face.

Ainsi, il n'est plus nécessaire d'utiliser un guidage long comme moyen de guidage de l'arbre de sortie. Le palier 22a de la figure 4 est inutile sinon pour assurer une fonction d'étanchéité. II peut alors être considérablement raccourci tout en ayant un meilleur rendement de transmission pour l'actionneur.Thus, it is no longer necessary to use a long guide as guide means of the output shaft. The bearing 22a of the figure 4 is useless otherwise to provide a sealing function. It can then be considerably shortened while having a better transmission efficiency for the actuator.

La figure 6 représente en coupe le premier moyen d'engrènement selon la variante de réalisation. Le plan de coupe est parallèle au plan moyen des dentures de la figure 5 et choisi tel qu'il coupe également le pignon d'entraînement 36j. Pour simplifier, les dentures sont représentées sans jeu.The figure 6 represents in section the first meshing means according to the variant embodiment. The cutting plane is parallel to the average plane of the teeth of the figure 5 and chosen as it also cuts the drive sprocket 36j. For simplicity, the teeth are represented without play.

Les guidages additionnels 36a, 36a' et 36a" sont préférentiellement réalisés à l'aide de pignons, mais on pourrait de même utiliser de simples rouleaux en contact avec une ou deux portées lisses usinées sur l'arbre de sortie, de part et d'autre de la denture externe.The additional guides 36a, 36a 'and 36a "are preferably made using gears, but one could likewise use simple rollers in contact with one or two smooth bearings machined on the output shaft, on the one hand and on the other. other of the external toothing.

Le pignon 36b de l'arbre latéral participe au guidage de l'arbre de sortie. Celui-ci est donc guidé par quatre éléments de guidage, disposés préférentiellement à 90° les uns par rapport aux autres. Alternativement, on pourrait utiliser simplement deux guidages additionnels seulement, en les disposant de préférence à 120° par rapport au pignon de l'arbre latéral. La figure 7 représente partiellement en perspective éclatée et à plus petite échelle que dans les figures précédentes un quatrième mode d'exécution d'actionneur 40 dans lequel un arbre de sortie 42 est décomposé en trois pièces de sortie formant joint d'Oldham.The pinion 36b of the lateral shaft participates in guiding the output shaft. This is therefore guided by four guide elements, preferably arranged at 90 ° relative to each other. Alternatively, it would be possible to simply use two additional guides only, placing them preferably at 120 ° with respect to the pinion of the lateral shaft. The figure 7 is partially exploded perspective and on a smaller scale than in the previous figures a fourth actuator embodiment 40 in which an output shaft 42 is decomposed into three Oldham seal outlet pieces.

Une première pièce de sortie 42p est bloquée en translation par un palier de sortie solidaire d'un boîtier non représenté. Cette pièce en forme de bague comprend un évidement 42x similaire aux évidements 22x et 32x. La première pièce de sortie comprend également une encoche d'Oldham.A first output piece 42p is locked in translation by an integral output bearing of a not shown housing. This ring-shaped piece includes a recess 42x similar to the recesses 22x and 32x. The first exit piece also includes an Oldham notch.

Une deuxième pièce de sortie 42q comprend une croix d'Oldham.A second exit piece 42q includes an Oldham cross.

Une troisième pièce de sortie 42r comprend un rail d'Oldham et comprend une denture externe 46c remplissant les mêmes fonctions que les dentures externes 36c et 26c.A third output piece 42r comprises an Oldham rail and comprises an external toothing 46c fulfilling the same functions as the external teeth 36c and 26c.

La deuxième pièce de sortie coulisse à la fois dans la première pièce de sortie et dans la troisième pièce de sortie.The second output piece slides in both the first output piece and the third output piece.

Préférentiellement, chaque arbre de sortie de l'actionneur 40 comprend ainsi un joint de Oldham, ce qui permet un décentrage éventuel des arbres d'entraînement par rapport à l'axe principal XX', ce dernier étant alors défini par les centres de chaque troisième pièce de sortie.Preferably, each output shaft of the actuator 40 thus comprises an Oldham seal, which allows any disengagement of the drive shafts with respect to the main axis XX ', the latter being then defined by the centers of each third exit room.

Dans les modes de réalisation décrits, l'actionneur comprend des moyens d'engrènement. II est clair que l'un et/ou l'autre de ces moyens d'engrènement peuvent être remplacés par tout moyen de transmission, tel que notamment un moyen de transmission par courroie ou par chaîne ou un moyen de transmission par friction.In the embodiments described, the actuator comprises meshing means. It is clear that one and / or the other of these meshing means can be replaced by any transmission means, such as in particular a belt or chain transmission means or a friction transmission means.

Claims (15)

Actionneur (10 ; 20 ; 30 ; 40) d'entraînement pour store comprenant un moteur électrique (4) entraînant un premier arbre de sortie (2 ; 22 ; 32 ; 42) et un deuxième arbre de sortie (3 ; 23) de manière synchrone, ces arbres de sortie étant coaxiaux, selon un axe principal (XX'), et comprenant un arbre latéral (5 ; 25 ; 35) d'axe de rotation parallèle à l'axe principal, l'arbre latéral étant relié par un second moyen de transmission (7 ; 27b, 27c) au deuxième arbre de sortie (3) de sorte à l'entraîner en rotation, caractérisé en ce qu'au moins une partie (2b) du premier arbre de sortie (2) est reliée par un premier moyen de transmission (6 ; 26b, 26c) à l'arbre latéral au travers duquel elle entraîne l'arbre latéral en rotation lorsque le moteur (4) fonctionne.A blind drive actuator (10; 20; 30; 40) comprising an electric motor (4) driving a first output shaft (2; 22; 32; 42) and a second output shaft (3; synchronous, these output shafts being coaxial, along a main axis (XX '), and comprising a lateral shaft (5; 25; 35) of axis of rotation parallel to the main axis, the lateral shaft being connected by a second transmission means (7; 27b, 27c) at the second output shaft (3) to rotate it, characterized in that at least a portion (2b) of the first output shaft (2) is connected by a first transmission means (6; 26b, 26c) to the side shaft through which it drives the rotating side shaft when the motor (4) is operating. Actionneur selon la revendication 1,
caractérisé en ce que le premier arbre de sortie (2) est lié par un moyen de raccordement (8) à un arbre (4b) du moteur de sorte à être entraîné en rotation par le moteur électrique (4), l'axe de l'arbre du moteur étant parallèle à l'axe principal, et
caractérisé en ce que : - le moyen de raccordement (8) forme un étage réducteur, l'axe de l'arbre (4b) du moteur (4) n'étant pas aligné avec l'axe principal, ou - le moyen de raccordement (8) est un simple manchon, l'axe de l'arbre (4b) du moteur (4) étant aligné avec l'axe principal. Actuator according to claim 1,
characterized in that the first output shaft (2) is connected by a connecting means (8) to a shaft (4b) of the motor so as to be rotated by the electric motor (4), the axis of the motor shaft being parallel to the main axis, and
characterized in that the connecting means (8) forms a reducing stage, the axis of the shaft (4b) of the motor (4) not being aligned with the main axis, or - The connection means (8) is a simple sleeve, the axis of the shaft (4b) of the motor (4) being aligned with the main axis. Actionneur selon l'une des revendications précédentes, caractérisé en ce que le moteur (4), l'arbre latéral (5) et les moyens de transmission (6, 7) sont disposés à l'intérieur d'un même boîtier étanche (1) de l'actionneur, dont au moins une face latérale (1a, 1b) est perpendiculaire à l'axe principal.Actuator according to one of the preceding claims, characterized in that the motor (4), the lateral shaft (5) and the transmission means (6, 7) are arranged inside the same sealed housing (1 ) of the actuator, at least one side face (1a, 1b) is perpendicular to the main axis. Actionneur selon l'une des revendications précédentes, caractérisé en ce qu'au moins une face latérale (1a, 1b) supporte des moyens de guidage (2a, 3a) des arbres de sortie (2, 3) et/ou supporte des moyens de guidage (6a, 7a) des moyens de transmission (6, 7) et/ou supporte des moyens de guidage (5a, 5b) de l'arbre latéral (5).Actuator according to one of the preceding claims, characterized in that at least one lateral face (1a, 1b) supports guide means (2a, 3a) of the output shafts (2, 3) and / or supports means for guiding (6a, 7a) transmission means (6, 7) and / or supports guide means (5a, 5b) of the lateral shaft (5). Actionneur selon la revendication 3 ou 4, caractérisé en ce que la face latérale (1a) présente un premier contour (C1) sensiblement carré dans lequel est centré le premier arbre de sortie (2).Actuator according to claim 3 or 4, characterized in that the lateral face (1a) has a first substantially square contour (C1) in which the first output shaft (2) is centered. Actionneur selon l'une des revendications précédentes, caractérisé en ce que le premier arbre de sortie (2) comprend une première partie (2b) liée au premier moyen de transmission (6) et une deuxième partie (2d), ces deux parties étant séparées par un jeu angulaire (2c) dont la valeur de jeu est égale à un jeu angulaire cumulé des premier et second moyens de transmission (6, 7).Actuator according to one of the preceding claims, characterized in that the first output shaft (2) comprises a first part (2b) connected to the first transmission means (6) and a second part (2d), these two parts being separated by an angular clearance (2c) whose play value is equal to a cumulative angular clearance of the first and second transmission means (6, 7). Actionneur selon l'une des revendications 1 à 5, caractérisé en ce que le premier moyen de transmission (6) et le deuxième moyen de transmission (7) sont munis de dispositifs à rattrapage de jeu.Actuator according to one of claims 1 to 5, characterized in that the first transmission means (6) and the second transmission means (7) are provided with play-compensating devices. Actionneur selon l'une des revendications précédentes, caractérisé en ce que le premier moyen de transmission (6) a un effet multiplicateur de vitesse, tandis que le deuxième moyen de transmission (7) a un effet réducteur de vitesse, dans la même proportion.Actuator according to one of the preceding claims, characterized in that the first transmission means (6) has a speed multiplier effect, while the second transmission means (7) has a speed reducing effect in the same proportion. Actionneur (20 ; 30 ; 40) selon l'une des revendications précédentes, caractérisé en ce que le premier moyen de transmission comprend une denture externe (26c ; 36c ; 46c) et une denture interne (26m ; 36m) réalisées sur l'arbre de sortie coaxialement à l'axe principal, la denture externe coopérant avec un pignon (26b ; 36b) solidaire de l'arbre latéral et la denture interne coopérant avec un pignon d'entraînement (26j ; 36j) disposé sur une première partie (22b ; 32b) d'arbre de sortie, entraînée par le moteur électrique.Actuator (20; 30; 40) according to one of the preceding claims, characterized in that the first transmission means comprises an external toothing (26c; 36c; 46c) and an internal toothing (26m; 36m). produced on the output shaft coaxially with the main axis, the external toothing cooperating with a pinion (26b; 36b) integral with the lateral shaft and the internal toothing cooperating with a drive pinion (26j; 36j) disposed on a first output shaft portion (22b; 32b) driven by the electric motor. Actionneur selon la revendication précédente, caractérisé en ce que la denture externe (36c) coopère avec des pignons (36a, 36a', 36a") montés fous en rotation selon un axe parallèle à l'axe principal et/ou en ce que des portées de part et d'autre de la denture externe coopèrent avec des rouleaux libres en rotation selon un axe parallèle à l'axe principal.Actuator according to the preceding claim, characterized in that the external toothing (36c) cooperates with pinions (36a, 36a ', 36a ") mounted idle in rotation along an axis parallel to the main axis and / or in that spans on either side of the external toothing cooperate with free rollers rotating along an axis parallel to the main axis. Actionneur selon la revendication précédente, caractérisé en ce que le moteur est excentré au sein d'un boîtier par rapport à l'axe du premier arbre de sortie.Actuator according to the preceding claim, characterized in that the motor is eccentric within a housing relative to the axis of the first output shaft. Actionneur selon l'une des revendications précédentes, caractérisé en ce que les arbres de sortie présentent un creux (23x) apte à coopérer avec une saillie (50a) d'un manchon de sortie (50).Actuator according to one of the preceding claims, characterized in that the output shafts have a recess (23x) adapted to cooperate with a projection (50a) of an outlet sleeve (50). Actionneur selon l'une des revendications précédentes, caractérisé en ce que toutes les pièces en rotation transmettant de la puissance mécanique dans l'actionneur ont pour axe de rotation une direction parallèle à l'axe de l'arbre du moteur.Actuator according to one of the preceding claims, characterized in that all rotating parts transmitting mechanical power in the actuator have a rotation axis parallel to the axis of the motor shaft. Actionneur selon l'une des revendications précédentes, caractérisé en ce que le volume situé, le long du moteur, entre le boîtier, l'arbre latéral et le moteur est utilisé pour loger des composants électriques de l'actionneur, notamment un condensateur.Actuator according to one of the preceding claims, characterized in that the volume located along the motor, between the housing, the side shaft and the motor is used to accommodate electrical components of the actuator, including a capacitor. Actionneur selon l'une des revendications précédentes, caractérisé en ce qu'au moins un (42) des arbres de sortie comprend deux parties (42p, 42r) couplées par un joint d'Oldham.Actuator according to one of the preceding claims, characterized in that at least one (42) of the output shafts comprises two portions (42p, 42r) coupled by an Oldham seal.
EP20090174871 2008-11-04 2009-11-03 Drive unit for blind with two output shafts Active EP2182163B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14154739.8A EP2733300B1 (en) 2008-11-04 2009-11-03 Transmission return for a double-output motor for operating a blind

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0806141A FR2938000B1 (en) 2008-11-04 2008-11-04 TRANSMISSION REMOVAL FOR DOUBLE OUTPUT MOTOR OF STORE MANEUVER

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP14154739.8A Division EP2733300B1 (en) 2008-11-04 2009-11-03 Transmission return for a double-output motor for operating a blind

Publications (2)

Publication Number Publication Date
EP2182163A1 true EP2182163A1 (en) 2010-05-05
EP2182163B1 EP2182163B1 (en) 2014-02-12

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EP14154739.8A Active EP2733300B1 (en) 2008-11-04 2009-11-03 Transmission return for a double-output motor for operating a blind
EP20090174871 Active EP2182163B1 (en) 2008-11-04 2009-11-03 Drive unit for blind with two output shafts

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EP14154739.8A Active EP2733300B1 (en) 2008-11-04 2009-11-03 Transmission return for a double-output motor for operating a blind

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EP (2) EP2733300B1 (en)
FR (1) FR2938000B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9657516B2 (en) 2013-03-15 2017-05-23 Springs Window Fashions, Llc Window covering motorized lift and control system gear train

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT516630B1 (en) * 2015-07-10 2016-07-15 Ifn-Holding Ag shading device
FR3090727B1 (en) * 2018-12-21 2021-06-11 Somfy Activites Sa Oldham Seal Electromechanical Home Automation Actuator.
US11643874B2 (en) 2018-10-25 2023-05-09 Somfy Activites Sa Electromechanical home-automation actuator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1077104B (en) 1957-06-08 1960-03-03 Carl Goetze Sen Electrically operated drive device for light metal blinds, roller curtains or the like.

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Publication number Priority date Publication date Assignee Title
DE19755922A1 (en) * 1997-12-17 1999-06-24 Geiger Gerhard Gmbh & Co Electrically-powered drive unit for blinds

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Publication number Priority date Publication date Assignee Title
DE1077104B (en) 1957-06-08 1960-03-03 Carl Goetze Sen Electrically operated drive device for light metal blinds, roller curtains or the like.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9657516B2 (en) 2013-03-15 2017-05-23 Springs Window Fashions, Llc Window covering motorized lift and control system gear train
US10174548B2 (en) 2013-03-15 2019-01-08 Springs Window Fashions, Llc Window covering motorized lift and control system gear train
US10180029B2 (en) 2013-03-15 2019-01-15 Springs Window Fashions, Llc Window covering motorized lift and control system motor and operation
US10337241B2 (en) 2013-03-15 2019-07-02 Springs Window Fashions, Llc Window covering motorized lift and control system motor and operation

Also Published As

Publication number Publication date
EP2733300A1 (en) 2014-05-21
FR2938000B1 (en) 2010-12-10
FR2938000A1 (en) 2010-05-07
EP2733300B1 (en) 2016-08-17
EP2182163B1 (en) 2014-02-12

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