EP0500500A1 - Actuation mechanism for venetian blind - Google Patents

Actuation mechanism for venetian blind Download PDF

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Publication number
EP0500500A1
EP0500500A1 EP92810114A EP92810114A EP0500500A1 EP 0500500 A1 EP0500500 A1 EP 0500500A1 EP 92810114 A EP92810114 A EP 92810114A EP 92810114 A EP92810114 A EP 92810114A EP 0500500 A1 EP0500500 A1 EP 0500500A1
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EP
European Patent Office
Prior art keywords
box
cradle
pulleys
drive shaft
motor
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.)
Withdrawn
Application number
EP92810114A
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German (de)
French (fr)
Inventor
Marc Joseph Antoine Quezel Castraz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Somfy SA
Original Assignee
Somfy SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Somfy SA filed Critical Somfy SA
Publication of EP0500500A1 publication Critical patent/EP0500500A1/en
Withdrawn legal-status Critical Current

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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
    • E06B9/24—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
    • E06B9/323—Structure or support of upper box

Definitions

  • the subject of the present invention is a drive device for a Venetian blind comprising a box open downwards in which is mounted a motor driving, by means of a speed reducer, a drive shaft on which are mounted two pulleys located near the ends of the box and at least one intermediate pulley, pulleys intended for winding the laces of the awning and for opening its blades, each of these pulleys being rotatably mounted in a cradle.
  • the motor equipped with its reducer, and rigidly fixed to the bottom of the box, at an intermediate point between the ends of the box and has two drive shafts on which are mounted the pulleys whose cradles are rigidly fixed to the walls of the box by screws.
  • the motor equipped with its reducer, and rigidly fixed to the bottom of the box, at an intermediate point between the ends of the box and has two drive shafts on which are mounted the pulleys whose cradles are rigidly fixed to the walls of the box by screws.
  • Alignment faults result in vibrations which are transmitted by all the elements to the box, giving rise to significant noise.
  • the object of the present invention is to provide a drive device for a Venetian blind obviating the above-mentioned drawbacks, that is to say silent, easy to make and to install.
  • the drive device is characterized in that the motor is a tubular motor mounted inside said drive shaft and whose head is rigidly connected to the box, that said drive shaft is supported at its ends and at least the intermediate cradle is mounted floating in the box.
  • the intermediate cradle respectively the intermediate cradles, being mounted floating in the box, the axis of their pulley is automatically aligned with the axis of the drive shaft.
  • the use of a tubular motor makes it possible to have a single drive shaft of large cross section. These features help suppress vibrations and make the drive unit quiet.
  • the device shown in Figures 1 and 2 comprises a metal box 1 formed of a rectangular profile open downwards and two end flanges 2 and 3.
  • the drive shaft 4 is tubular and of hexagonal section. Inside the shaft 4 is mounted a tubular motor 5 associated with a reduction gear, motor whose head 6 is rigidly fixed to the flange 3, while the end 7 of the drive shaft 4 is journalled in the flange 2 which serves as a bearing.
  • the drive shaft 4 passes through two end pulleys 8 and 9 and an intermediate pulley 10 which are of course integral in rotation with the shaft 4.
  • Each of these pulleys has a central groove for winding the laces of the blind Venetian and two lateral grooves for driving scales for the orientation of the blind slats.
  • the pulleys 8, 9 and 10 are rotatably mounted respectively in a cradle 11, 12 and 13 shown diagrammatically. These cradles are mounted floating in the box 1 in the vertical direction. For this purpose, each cradle has two lateral tenons 14 and 15 engaged with a vertical clearance in cutouts 16 and 17 of the box 1.
  • the position of the drive shaft 4 is determined by the end flanges 2 and 3.
  • the cradles 11, 12 and 13 are floating, the pulleys 8, 9 and 10 can automatically align with the shaft training.
  • This embodiment is advantageous in that it allows the motorized drive shaft to be easily attached. The blind can therefore be pre-assembled and even pre-installed.
  • the second embodiment differs from the first embodiment in that the drive shaft 4 is supported by the end cradles 11 and 12 instead of being supported by the end flanges 18 and 19, these flanges can therefore be made lighter and fixed to the box by simple interlocking.
  • the cradles 11 and 12 are therefore rigidly fixed to the side walls of the box 1, preferably by interlocking without a set of split pins 20 and 21, the two arms of which come automatically hooked in known manner on the external face of the box.
  • the intermediate cradle 13 is however mounted floating as in the first embodiment. The same would be the case for other intermediate cradles.
  • the motor head 6 is rigidly fixed to an intermediate support 22 which is rigidly fixed to the cradle 12.
  • the end 7 of the drive shaft is, in a similar manner, journalled in an intermediate support 23 rigidly fixed to the cradle 11 .
  • the intermediate support 22 pre feels a shape adapted to the head 6 of the engine and partially enveloping this head.
  • the head 6 of the engine is fixed to the part 22 by two screws such as the screw 24, the support 22 itself being fixed to the cradle 12 by three ears such as 25 and 26 provided with a hole through which they are engaged. pins 27 of the cradle 12 on which they are held by clips.

Abstract

Actuation mechanism for venetian blind comprising a casing (1) in which pulleys (8, 9, 10) are installed, each one being installed rotationally in a cradle (11, 12, 13). The motor (5) is a tubular motor installed inside the actuation shaft (4). This shaft is supported at its ends and at least the intermediate cradle (11) is loosely installed in the casing. This installation makes it possible to align the axes of the pulleys with the axis of the actuation shaft. <IMAGE>

Description

La présente invention a pour objet un dispositif d'entraînement pour store vénitien comprenant un caisson ouvert vers le bas dans lequel est monté un moteur entraînant, par l'intermédiaire d'un réducteur de vitesse, un arbre d'entraînement sur lequel sont montées deux poulies situées près des extrémités du caisson et au moins une poulie intermédiaire, poulies destinées à l'enroulement des lacettes du store et à l'ouverture de ses lames, chacune de ces poulies étant montée rotativement dans un berceau.The subject of the present invention is a drive device for a Venetian blind comprising a box open downwards in which is mounted a motor driving, by means of a speed reducer, a drive shaft on which are mounted two pulleys located near the ends of the box and at least one intermediate pulley, pulleys intended for winding the laces of the awning and for opening its blades, each of these pulleys being rotatably mounted in a cradle.

Dans les dispositifs d'entraînement connus et utilisés à ce jour, le moteur, équipé de son réducteur, et fixé rigidement au fond du caisson, en un point intermédiaire entre les extrémités du caisson et présente deux arbres d'entraînement sur lesquels sont montées les poulies dont les berceaux sont fixés rigidement aux parois du caisson au moyen de vis. Dans une telle exécution, où plusieurs éléments indépendants sont fixés individuellement et rigidement, il est difficile d'assurer un alignement correct des arbres d'entraînement et des axes des poulies. Les défauts d'alignement se traduisent par des vibrations qui sont transmises par tous les éléments au caisson, donnant lieu à un bruit important.In the drive devices known and used to date, the motor, equipped with its reducer, and rigidly fixed to the bottom of the box, at an intermediate point between the ends of the box and has two drive shafts on which are mounted the pulleys whose cradles are rigidly fixed to the walls of the box by screws. In such an embodiment, where several independent elements are fixed individually and rigidly, it is difficult to ensure correct alignment of the drive shafts and the axes of the pulleys. Alignment faults result in vibrations which are transmitted by all the elements to the box, giving rise to significant noise.

La présente invention a pour but de réaliser un dispositif d'entraînement pour store vénitien obviant aux inconvénients susmentionnés, c'est-à-dire silencieux, facile à réaliser et à installer.The object of the present invention is to provide a drive device for a Venetian blind obviating the above-mentioned drawbacks, that is to say silent, easy to make and to install.

Le dispositif d'entraînement selon l'invention est caractérisé en ce que le moteur est un moteur tubulaire monté à l'intérieur dudit arbre d'entraînement et dont la tête est reliée rigidement au caisson, que ledit arbre d'entraînement est soutenu à ses extrémités et qu'au moins le berceau intermédiaire est monté flottant dans le caisson.The drive device according to the invention is characterized in that the motor is a tubular motor mounted inside said drive shaft and whose head is rigidly connected to the box, that said drive shaft is supported at its ends and at least the intermediate cradle is mounted floating in the box.

Le berceau intermédiaire, respectivement les berceaux intermédiaires, étant montés flottant dans le caisson, l'axe de leur poulie s'aligne automatiquement sur l'axe de l'arbre d'entraînement. L'utilisation d'un moteur tubulaire permet d'avoir un arbre d'entrai- nement unique de grande section. Ces caractéristiques concourent à supprimer les vibrations et à rendre le dispositif d'entraînement silencieux.The intermediate cradle, respectively the intermediate cradles, being mounted floating in the box, the axis of their pulley is automatically aligned with the axis of the drive shaft. The use of a tubular motor makes it possible to have a single drive shaft of large cross section. These features help suppress vibrations and make the drive unit quiet.

Le dessin annexé représente, à titre d'exemple non limitatif, deux formes d'exécution du dispositif selon l'invention.

  • La figure 1 est une vue en coupe axiale selon I-I de la figure 2 d'une première forme d'exécution représentée en partie schématiquement.
  • La figure 2 est une vue en coupe transversale selon II-II de la figure 1.
  • La figure 3 est une vue en coupe axiale selon III-III de la figure 4 d'une seconde forme d'exécution, représentée en partie schématiquement.
  • La figure 4 est une vue en coupe transversale selon IV-IV de la figure 3.
  • La figure 5 est une demi-vue axiale plus précise de l'extrémité du dispositif selon la seconde forme d'exécution, paroi frontale du caisson enlevée.
  • La figure 6 est une vue partielle en coupe selon VI-VI de la figure 5.
The accompanying drawing shows, by way of nonlimiting example, two embodiments of the device according to the invention.
  • Figure 1 is an axial sectional view along II of Figure 2 of a first embodiment shown partially schematically.
  • FIG. 2 is a cross-sectional view along II-II of FIG. 1.
  • Figure 3 is an axial sectional view along III-III of Figure 4 of a second embodiment, shown partially schematically.
  • FIG. 4 is a cross-sectional view along IV-IV of FIG. 3.
  • Figure 5 is a more precise axial half-view of the end of the device according to the second embodiment, front wall of the box removed.
  • FIG. 6 is a partial sectional view along VI-VI of FIG. 5.

Le dispositif représenté aux figures 1 et 2 comprend un caisson métallique 1 formé d'un profil rectangulaire ouvert vers le bas et de deux flasques d'extrémité 2 et 3. L'arbre d'entraînement 4 est tubulaire et de section hexagonale. A l'intérieur de l'arbre 4 est monté un moteur tubulaire 5 associé à un réducteur, moteur dont la tête 6 est fixée rigidement au flasque 3, tandis que l'extrémité 7 de l'arbre d'entraînement 4 est tourillonnée dans le flasque 2 qui lui sert de palier.The device shown in Figures 1 and 2 comprises a metal box 1 formed of a rectangular profile open downwards and two end flanges 2 and 3. The drive shaft 4 is tubular and of hexagonal section. Inside the shaft 4 is mounted a tubular motor 5 associated with a reduction gear, motor whose head 6 is rigidly fixed to the flange 3, while the end 7 of the drive shaft 4 is journalled in the flange 2 which serves as a bearing.

L'arbre d'entraînement 4 traverse deux poulies d'extrémité 8 et 9 et une poulie intermédiaire 10 qui sont bien entendu solidaires en rotation de l'arbre 4. Chacune de ces poulies présente une gorge médiane pour l'enroulement des lacettes du store vénitien et deux gorges latérales pour l'entraînement d'échelles destinées à l'orientation des lames du store. Les poulies 8, 9 et 10 sont montées rotativement respectivement dans un berceau 11, 12 et 13 représenté schématiquement. Ces berceaux sont montés flottant dans le caisson 1 dans le sens vertical. A cet effet, chaque berceau présente deux tenons latéraux 14 et 15 engagés avec un jeu vertical dans des découpes 16 et 17 du caisson 1.The drive shaft 4 passes through two end pulleys 8 and 9 and an intermediate pulley 10 which are of course integral in rotation with the shaft 4. Each of these pulleys has a central groove for winding the laces of the blind Venetian and two lateral grooves for driving scales for the orientation of the blind slats. The pulleys 8, 9 and 10 are rotatably mounted respectively in a cradle 11, 12 and 13 shown diagrammatically. These cradles are mounted floating in the box 1 in the vertical direction. For this purpose, each cradle has two lateral tenons 14 and 15 engaged with a vertical clearance in cutouts 16 and 17 of the box 1.

La position de l'arbre d'entraînement 4 est déterminée par les flasques d'extrémité 2 et 3. Les berceaux 11, 12 et 13 étant flottants, les poulies 8, 9 et 10 peuvent s'aligner automatiquement sur l'arbre d'entraînement. Cette forme d'exécution est intéressante en ce qu'elle permet de rapporter facilement l'arbre d'entraînement motorisé. Le store peut donc être pré-monté et même pré-installé.The position of the drive shaft 4 is determined by the end flanges 2 and 3. The cradles 11, 12 and 13 are floating, the pulleys 8, 9 and 10 can automatically align with the shaft training. This embodiment is advantageous in that it allows the motorized drive shaft to be easily attached. The blind can therefore be pre-assembled and even pre-installed.

La seconde forme d'exécution, représentée aux figures 3 et 4, se distingue de la première forme d'exécution en ce que l'arbre d'entraînement 4 est soutenu par les berceaux d'extrémité 11 et 12 au lieu d'être soutenu par les flasques d'extrémité 18 et 19, ces flasques pouvant être par conséquent réalisés de façon plus légère et fixés sur le caisson par simple emboîtement. Les berceaux 11 et 12 sont par conséquent fixés rigidement aux parois latérales du caisson 1, de préférence par emboîtement sans jeu de tenons fendus 20 et 21 dont les deux bras viennent s'accrocher automatiquement de manière connue sur la face extérieure du caisson. Le berceau intermédiaire 13 est par contre monté flottant comme dans la première forme d'exécution. Il en serait de même d'autres berceaux intermédiaires.The second embodiment, shown in Figures 3 and 4, differs from the first embodiment in that the drive shaft 4 is supported by the end cradles 11 and 12 instead of being supported by the end flanges 18 and 19, these flanges can therefore be made lighter and fixed to the box by simple interlocking. The cradles 11 and 12 are therefore rigidly fixed to the side walls of the box 1, preferably by interlocking without a set of split pins 20 and 21, the two arms of which come automatically hooked in known manner on the external face of the box. The intermediate cradle 13 is however mounted floating as in the first embodiment. The same would be the case for other intermediate cradles.

La tête 6 du moteur est fixée rigidement à un support intermédiaire 22 lui-même fixé rigidement au berceau 12. L'extrémité 7 de l'arbre d'entraînement est, de façon analogue, tourillonnée dans un support intermédiaire 23 fixé rigidement au berceau 11.The motor head 6 is rigidly fixed to an intermediate support 22 which is rigidly fixed to the cradle 12. The end 7 of the drive shaft is, in a similar manner, journalled in an intermediate support 23 rigidly fixed to the cradle 11 .

Comme ceci est représenté de façon plus précise aux figures 5 et 6, le support intermédiaire 22 présente une forme adaptée à la tête 6 du moteur et enveloppant partiellement cette tête. La tête 6 du moteur est fixée à la pièce 22 par deux vis telle que la vis 24, le support 22 étant lui-même fixé au berceau 12 par trois oreilles telles que 25 et 26 munies d'un trou par lequel elles sont engagées sur des ergots 27 du berceau 12 sur lesquels elles sont maintenues par des clips.As this is shown more precisely in FIGS. 5 and 6, the intermediate support 22 pre feels a shape adapted to the head 6 of the engine and partially enveloping this head. The head 6 of the engine is fixed to the part 22 by two screws such as the screw 24, the support 22 itself being fixed to the cradle 12 by three ears such as 25 and 26 provided with a hole through which they are engaged. pins 27 of the cradle 12 on which they are held by clips.

Claims (3)

1. Dispositif d'entraînement pour store vénitien comprenant un caisson (1) ouvert vers le bas dans lequel est monté un moteur entraînant, par l'intermédiaire d'un réducteur de vitesse, un arbre d'entraînement (4) sur lequel sont montées deux poulies (8, 9) situées près des extrémités du caisson et au moins une poulie intermédiaire (10), poulies destinées à l'enroulement des lacettes du store et à l'orientationde ses lames, chacune de ces poulies étant montée rotativement dans un berceau (11, 12, 13), caractérisé en ce que le moteur (5) est un moteur tubulaire monté à l'intérieur dudit arbre d'entraînement 4 et dont la tête (6) est reliée rigidement au caisson, que ledit arbre d'entraînement (4) est soutenu à ses extrémités et qu'au moins le berceau intermédiaire (13) est monté flottant dans le caisson.1. Drive device for venetian blind comprising a box (1) open downwards in which is mounted a motor driving, by means of a speed reducer, a drive shaft (4) on which are mounted two pulleys (8, 9) located near the ends of the box and at least one intermediate pulley (10), pulleys intended for the winding of the laces of the blind and for the orientation of its blades, each of these pulleys being rotatably mounted in a cradle (11, 12, 13), characterized in that the motor (5) is a tubular motor mounted inside said drive shaft 4 and whose head (6) is rigidly connected to the box, that said shaft d 'drive (4) is supported at its ends and at least the intermediate cradle (13) is mounted floating in the box. 2. Dispositif d'entraînement selon la revendication 1, dans lequel le caisson est fermé par des flasques (2, 3) à ses extrémités, caractérisé en ce que le moteur tubulaire et l'arbre d'entrainement sont portés par les flasques d'extrémité et que tous les berceaux (11, 12, 13) sont montés flottant dans le caisson.2. Drive device according to claim 1, wherein the box is closed by flanges (2, 3) at its ends, characterized in that the tubular motor and the drive shaft are carried by the flanges end and that all the cradles (11, 12, 13) are mounted floating in the box. 3. Dispositif d'entrainement selon la revendication 1, caractérisé en ce que les berceaux (11, 12) situés près des extrémités du caisson sont fixés rigidement au caisson, que la tête (6) du moteur est fixée rigidement à un élément intermédiaire (22) lui-même lié rigidement à l'un des berceaux d'extrémité et que l'extrémité opposée de l'arbre d'entraînement est soutenue par un palier (23) lié rigidement à l'autre berceau d'extrémité.3. Drive device according to claim 1, characterized in that the cradles (11, 12) located near the ends of the box are rigidly fixed to the box, that the head (6) of the motor is rigidly fixed to an intermediate element ( 22) itself rigidly connected to one of the end cradles and that the opposite end of the drive shaft is supported by a bearing (23) rigidly connected to the other end cradle.
EP92810114A 1991-02-22 1992-02-19 Actuation mechanism for venetian blind Withdrawn EP0500500A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9102159 1991-02-22
FR9102159A FR2673231B1 (en) 1991-02-22 1991-02-22 TRAINING DEVICE FOR VENETIAN BLINDS.

Publications (1)

Publication Number Publication Date
EP0500500A1 true EP0500500A1 (en) 1992-08-26

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EP92810114A Withdrawn EP0500500A1 (en) 1991-02-22 1992-02-19 Actuation mechanism for venetian blind

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EP (1) EP0500500A1 (en)
FR (1) FR2673231B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2929637B1 (en) 2008-04-07 2013-05-10 Franciaflex MOTORIZED BLINDS WITH MONOBLOC BLADES

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1319699A (en) * 1962-04-12 1963-03-01 Persienndetaljer Ab Improvements made to venetian blinds with adjustable slats
NL7902604A (en) * 1979-04-03 1980-10-07 Zonwering Nijmegen B V Slats of sun blind unit - are raised or lowered by several cords winding around top shaft, also attached to ladder cords operated by friction
DE3302529A1 (en) * 1983-01-26 1984-07-26 Dieter 4994 Preußisch Oldendorf Niemann Winding shaft for blinds
GB2213855A (en) * 1987-12-22 1989-08-23 Raymond John Luget Window blind

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1319699A (en) * 1962-04-12 1963-03-01 Persienndetaljer Ab Improvements made to venetian blinds with adjustable slats
NL7902604A (en) * 1979-04-03 1980-10-07 Zonwering Nijmegen B V Slats of sun blind unit - are raised or lowered by several cords winding around top shaft, also attached to ladder cords operated by friction
DE3302529A1 (en) * 1983-01-26 1984-07-26 Dieter 4994 Preußisch Oldendorf Niemann Winding shaft for blinds
GB2213855A (en) * 1987-12-22 1989-08-23 Raymond John Luget Window blind

Also Published As

Publication number Publication date
FR2673231B1 (en) 1993-06-11
FR2673231A1 (en) 1992-08-28

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