EP1490576B1 - Winding shaft actuated by means of a tubular drive - Google Patents

Winding shaft actuated by means of a tubular drive Download PDF

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Publication number
EP1490576B1
EP1490576B1 EP03740535A EP03740535A EP1490576B1 EP 1490576 B1 EP1490576 B1 EP 1490576B1 EP 03740535 A EP03740535 A EP 03740535A EP 03740535 A EP03740535 A EP 03740535A EP 1490576 B1 EP1490576 B1 EP 1490576B1
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EP
European Patent Office
Prior art keywords
spring
shaft
rotation
ring
driving element
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.)
Expired - Lifetime
Application number
EP03740535A
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German (de)
French (fr)
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EP1490576A2 (en
Inventor
Franck Arnoux
Christophe Bresson
Benjamin Bousson
Hassan Chaiba
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Simu SAS
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Simu SAS
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Publication of EP1490576A2 publication Critical patent/EP1490576A2/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
    • E06B9/72—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller
    • 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
    • E06B9/60—Spring drums operated only by closure members

Definitions

  • the invention relates to an operating mechanism and to a closure or sun protection system comprising such a mechanism.
  • Closure installation means doors, gates, shutters, grilles and equivalent materials.
  • a mechanical or electrical drive member to rotate, around its main geometric axis, a winding shaft for a shutter screen of an opening , or a force transmission member, such as a strap, associated with such a screen.
  • Winding mechanisms comprising compensation springs are known, for example, from FR-A-2,743,107 , from DE-A-296 05 670 or JP-A-2000-234485 .
  • a tubular drive motor and, on the other hand, compensation springs, these springs and this motor to be put in place in the winding shaft on the site of use of the installation, whereas the conditions of work of the installer are sometimes precarious, in particular because of a accessibility in height limited.
  • many parts must be provided to install, on the one hand, the compensation spring and on the other hand, the motor inside the winding shaft, which increases the known facilities.
  • JP-A-11-101077 It is also known to JP-A-11-101077 to realize a control mechanism of a roller shutter in which a spring is fixed on a motor and on a transmission element associated with a clutch. The torque exerted by the spring is transmitted to the winding shaft of the shutter.
  • the invention intends to remedy more particularly by proposing an operating mechanism which comprises at least one compensating spring and which can be set up easily, while its cost price is more attractive than that of the known compensated mechanisms.
  • the invention relates to a mechanism for operating a closure or sun protection system comprising a drive member for rotating a winding shaft for a shutter screen and at least one compensation spring.
  • the weight of this shutter screen in which the drive member is secured to a bracket and the spring is mounted around a housing of the drive member and belongs therewith to a sub-frame. assembly adapted to be at least partially introduced unitarily within the winding shaft.
  • This mechanism is characterized in that a first end of the spring is kinematically connected to a first end of the housing which is opposite to the console, while its second end is secured to a first ring mounted free to rotate around a second end of the housing which is closest to the console, the first ring being adapted to be rendered directly integral in rotation with the winding shaft when the subassembly is in place in the shaft.
  • the drive member which may be an electric motor
  • the compensation spring can be manipulated and set up in a relatively simple operation, which facilitates the work of the installer, decreases the mounting time and reduces the number of accessory parts needed.
  • the invention also relates to a closure or sun protection system which comprises an operating mechanism as precisely described. Such an installation is easier to implement and more economical than those of the state of the art.
  • the installation partially represented figures 1 and 2 is not according to the invention. It comprises a mechanism 1 for winding more or less an apron T around a geometric axis X-X ', this to close more or less an opening O formed in the masonry of a building.
  • the mechanism 1 comprises a shaft 2 whose central geometric axis coincides with the axis X-X 'and which is supported relative to the building structure by means of a bracket 3 forming a bearing.
  • a drive member 4 is provided for rotating the shaft about the X-X 'axis, as shown by the arrow R at the figure 2 .
  • This member comprises an electric motor 41 and a gearbox 42.
  • the output shaft 43 is noted of the member 4 and 44 its housing inside which are housed the elements 41 and 42.
  • a compensation spring 5 is provided to compensate the torque exerted by the weight of the deck T about the axis X-X '.
  • This spring is a torsion spring disposed helically around the housing 44 of the member 4.
  • the housing 44 is provided with a lug 45 around which is anchored a first end 51 of the spring 5 which is shaped in a loop.
  • the second end 52 of the spring 5 is introduced into a housing 62 formed in a drive disk 6 provided to be secured in rotation with the shaft 2 by any appropriate means, for example by riveting.
  • the disc 6 is provided with a central opening 61 of section adapted to the section of the shaft 43, so that the disc 6 is integral in rotation with the shaft 43.
  • a spacer ring 7 is provided for centering the housing 44 in the shaft 2, with the possibility of rotation.
  • the elements 3 to 7 constitute a subassembly 10 which can be partially introduced, in one operation, inside the shaft 2, as represented by the arrow F 1 .
  • the member 4 and the spring 5 belong to the assembly 10 and are placed in the shaft 2.
  • L 5 is the length of the spring 5 taken in the direction of the axis X-X '.
  • L 4 is the length of the member 4 taken in the same direction. The length L 5 is less than the length L 4 and the spring 5 does not project substantially beyond the casing 44, which gives the subset 7 a compact and monolithic character simplifying its handling and allowing time savings by installation.
  • a rotation R of the shaft 2 induces a corresponding rotation of the disc 6 and a change in the tension of the spring 5, since its end 52 rotates about the axis X-X ', while its end 51 remains fixed relative to to the housing 44 which is itself fixed relative to the axis X-X '.
  • the mechanism 101 of this embodiment is also centered on an axis XX 'and comprises a shaft 102 for winding a deck T, this shaft being supported by a console 103 and receiving a drive member 104 comprising an electric motor 141 and a gearbox 142.
  • a spring 105 is mounted around the housing 144 of the member 104, this spring being secured by its first end 151 of a lug 145 provided on the casing 144.
  • a spacer ring 107 is disposed around the housing 144, near the bracket 103, with the possibility of rotation, and allows a relative centering of the elements 102 and 104.
  • a ring 108 is rotatably mounted around the end 144a of the housing 144 opposite the console 103, this ring 108 being provided with a central opening 181 whose section is such that it can be rotated by the output shaft 143 of the member 104.
  • the second end 152 of the spring 105 is fixed by any appropriate means on the ring 108, for example by cooperation of shapes, clipping, gluing or welding.
  • a drive disk 106 is fixed inside the tube 102 during its manufacture and is provided with an opening 161 for receiving the shaft 143, the section of the opening 161 allowing a drive in rotation of the disk 106. from the tree 143.
  • the elements 103 to 107 and 108 constitute a subassembly 110 which may be partially introduced into an operation inside the tube 102, as represented by the arrow F 1 at the figure 3 .
  • the length L 105 of the spring 105 parallel to the axis XX ' is smaller than the length L 104 of the member 104 parallel to this axis.
  • the mechanism 201 of this embodiment comprises a drive shaft 202 of an apron T to close more or less an opening O.
  • This shaft 202 is supported by a console 203 immobilized relative to the masonry of the building.
  • a drive member 204 comprises an electric motor 241 and a gearbox 242 disposed within a cylindrical casing 244 of circular section such as the housings 44 and 144.
  • This shaft 243 is the output shaft of the member 204. This shaft 243 is intended to be introduced into an opening 261 of a drive disc 206 fixedly mounted inside the shaft 202.
  • a spring 205 is mounted around the housing 244 and immobilized in rotation thereon by clamping its first end 251 on a frustoconical ring 209, itself immobilized on the end 244a of the housing 244 opposite the bracket 203.
  • Another ring 208 is mounted around the housing 244, at its end 244b closest to the console 203, the ring 208 being rotatable around the end 244b.
  • the ring 208 is, moreover, provided with a frustoconical surface 282 for receiving and jamming the second end 252 of the spring 205.
  • the ring 208 is also provided with a plurality of radial projections 283 intended to be each engaged in a notch 223 formed at the end 221 of the tube 202.
  • the elements 203 to 205, 208 and 209 constitute a subassembly 210 that can be introduced in one operation, represented by the arrow F 1 on the figure 5 , inside the tube 202, this subassembly for performing the drive functions of the tube 202 and compensation, as the subsets 10 and 110 of the first and second embodiments.
  • the shaft 243 engages inside the opening 261, while the projections 283 engage in the notches 223.
  • the ring 206 is mounted on the shaft 243 before the subassembly 210 is introduced into the tube 202, which avoids a subsequent adjustment of the relative orientation of the rings. 206 and 208.
  • the same way of proceeding can be used with the mechanisms of the first and second embodiments.
  • This embodiment has the particular advantage that, in the configuration of the figure 5 of the subassembly 210, which corresponds to its storage configuration before installation in an installation provided on a building, the torque exerted by the spring 205 between the rings 208 and 209 is not transmitted to the shaft 243.
  • a means of immobilization in rotation of the ring 208 relative to the housing 244 this means may be a key 211 as shown in phantom at the figure 5 . Any other means of immobilization can however be envisaged, for example a fastening by screwing.
  • the position of the ring 208 can be adjusted before its immobilization with respect to the housing 244, so that the compensation force exerted by the spring 205 substantially corresponds to the compensation force to be exerted to compensate for the maximum weight of the deck. T, that is to say its weight in the closed configuration of the opening O.
  • This maximum torque is not transmitted to the shaft 243, and by the same to the gearbox 242, this gear can be dimensioned taking into account because when the subassembly 210 is in place in the shaft 202, the weight of the deck T and the force of the spring 205 compensate approximately.
  • the gearbox 242 may therefore be smaller and lighter than the gearboxes of the known installations, this making it possible to make a substantial gain in the cost price of the mechanism 201.
  • the length L 205 of the spring 205 is substantially shorter than the total length of the member 204.
  • a mechanism according to its principle can also be equipped with a safety device as described in the French patent application No. 2,837,866 .

Abstract

A mechanism ( 1 ) comprising a driving element ( 4 ) for rotationally driving a winding shaft ( 2 ) for a closing or sun-protection installation of an opening ( 0 ) and at least one spring ( 5 ) for compensating a weight of the installation. The spring ( 5 ) is mounted around the driving element ( 4 ) and is jointly associated with a sub-unit ( 10 ), which can be at least partially introduced in a unitary manner inside the shaft ( 2 ). The spring ( 5 ) includes a first end ( 51 ) kinematically linked to said driving element ( 4 ) so that the first end ( 51 ) is immobilized in rotation abut an axis of rotation (X-X') of the shaft ( 2 ), and a second end ( 52 ) kinematically linked to the shaft ( 2 ) when the sub-unit ( 10 ) is placed inside the shaft ( 2 ) so that the second end ( 52 ) rotates about the axis of rotation (X-X').

Description

L'invention a trait à un mécanisme de manoeuvre et à une installation de fermeture ou de protection solaire comprenant un tel mécanisme.The invention relates to an operating mechanism and to a closure or sun protection system comprising such a mechanism.

Par installation de fermeture, on entend les portes, portails, volets, grilles et matériels équivalents.Closure installation means doors, gates, shutters, grilles and equivalent materials.

Dans une installation de fermeture ou de protection solaire, il est connu d'utiliser un organe d'entraînement mécanique ou électrique pour faire tourner, autour de son axe géométrique principal, un arbre d'enroulement pour un écran d'obturation d'une ouverture, ou d'un organe de transmission d'effort, tel qu'une sangle, associé à un tel écran.In a closure or sun protection system, it is known to use a mechanical or electrical drive member to rotate, around its main geometric axis, a winding shaft for a shutter screen of an opening , or a force transmission member, such as a strap, associated with such a screen.

Il est connu de compenser le couple exercé sur le mécanisme d'enroulement par le poids de l'écran d'obturation, cette compensation étant obtenue par un ou plusieurs ressorts dits « de compensation ». Des mécanismes d'enroulement comprenant des ressorts de compensation sont connus, par exemple, de FR-A-2 743 107 , de DE-A-296 05 670 ou de JP-A-2000-234485 . Dans ces dispositifs, il est prévu, d'une part, un moteur tubulaire d'entraînement et, d'autre part, des ressorts de compensation, ces ressorts et ce moteur devant être mis en place dans l'arbre d'enroulement sur le site d'utilisation de l'installation, alors que les conditions de travail de l'installateur sont parfois précaires, notamment du fait d'une accessibilité en hauteur limitée. En outre, de nombreuses pièces doivent être prévues pour installer, d'une part, le ressort de compensation et, d'autre part, le moteur à l'intérieur de l'arbre d'enroulement, ce qui renchérit les installations connues.It is known to compensate the torque exerted on the winding mechanism by the weight of the shutter screen, this compensation being obtained by one or more so-called "compensation" springs. Winding mechanisms comprising compensation springs are known, for example, from FR-A-2,743,107 , from DE-A-296 05 670 or JP-A-2000-234485 . In these devices, there is provided, on the one hand, a tubular drive motor and, on the other hand, compensation springs, these springs and this motor to be put in place in the winding shaft on the site of use of the installation, whereas the conditions of work of the installer are sometimes precarious, in particular because of a accessibility in height limited. In addition, many parts must be provided to install, on the one hand, the compensation spring and on the other hand, the motor inside the winding shaft, which increases the known facilities.

Il est également connu de JP-A-11-101077 de réaliser un mécanisme de commande d'un volet roulant dans lequel un ressort est fixé sur un moteur et sur un élément de transmission associé à un embrayage. Le couple exercé par le ressort est transmis à l'arbre d'enroulement du volet.It is also known to JP-A-11-101077 to realize a control mechanism of a roller shutter in which a spring is fixed on a motor and on a transmission element associated with a clutch. The torque exerted by the spring is transmitted to the winding shaft of the shutter.

C'est à ces inconvénients qu'entend plus particulièrement remédier l'invention en proposant un mécanisme de manoeuvre qui comprend au moins un ressort de compensation et qui peut être mis en place de façon aisée, alors que son prix de revient est plus attractif que celui des mécanismes compensés connus.It is these drawbacks that the invention intends to remedy more particularly by proposing an operating mechanism which comprises at least one compensating spring and which can be set up easily, while its cost price is more attractive than that of the known compensated mechanisms.

Dans cet esprit, l'invention concerne un mécanisme de manoeuvre d'une installation de fermeture ou de protection solaire comprenant un organe d'entraînement en rotation d'un arbre d'enroulement pour un écran d'obturation et au moins un ressort de compensation du poids de cet écran d'obturation, dans lequel l'organe d'entraînement est solidaire d'une console et le ressort est monté autour d'un boîtier de l'organe d'entraînement et appartient avec celui-ci à un sous-ensemble apte à être au moins partiellement introduit de façon unitaire à l'intérieur de l'arbre d'enroulement. Ce mécanisme est caractérisé en ce qu'une première extrémité du ressort est cinématiquement liée à une première extrémité du boîtier qui est opposée à la console, alors que sa seconde extrémité est solidaire d'une première bague montée libre en rotation autour d'une seconde extrémité du boîtier qui est la plus proche de la console, cette première bague étant apte à être rendue directement solidaire en rotation avec l'arbre d'enroulement lorsque le sous-ensemble est en place dans l'arbre.In this spirit, the invention relates to a mechanism for operating a closure or sun protection system comprising a drive member for rotating a winding shaft for a shutter screen and at least one compensation spring. the weight of this shutter screen, in which the drive member is secured to a bracket and the spring is mounted around a housing of the drive member and belongs therewith to a sub-frame. assembly adapted to be at least partially introduced unitarily within the winding shaft. This mechanism is characterized in that a first end of the spring is kinematically connected to a first end of the housing which is opposite to the console, while its second end is secured to a first ring mounted free to rotate around a second end of the housing which is closest to the console, the first ring being adapted to be rendered directly integral in rotation with the winding shaft when the subassembly is in place in the shaft.

Grâce à l'invention, l'organe d'entraînement, qui peut être un moteur électrique, et le ressort de compensation peuvent être manipulés et mis en place en une opération relativement simple, ce qui facilite le travail de l'installateur, diminue le temps de montage et réduit le nombre de pièces accessoires nécessaires.Thanks to the invention, the drive member, which may be an electric motor, and the compensation spring can be manipulated and set up in a relatively simple operation, which facilitates the work of the installer, decreases the mounting time and reduces the number of accessory parts needed.

Selon des aspects avantageux mais non obligatoires de l'invention, ce mécanisme incorpore une ou plusieurs des caractéristiques suivantes :

  • La première bague est pourvue d'au moins un relief apte à venir en prise avec un relief correspondant prévu sur l'arbre d'enroulement pour la solidarisation en rotation de cette bague et de cet arbre.
  • La première extrémité du ressort est solidaire en rotation d'une deuxième bague immobilisée autour de la première extrémité du boîtier de l'organe d'entraînement.
  • Le ressort a une longueur telle qu'il ne dépasse pas sensiblement, selon une direction axiale, par rapport au un boîtier de l'organe d'entraînement.
  • L'organe d'entraînement peut comprendre un moteur électrique, éventuellement associé à un réducteur.
  • Le mécanisme comprend des moyens d'immobilisation temporaire de la première bague en rotation par rapport au boîtier.
According to advantageous but non-mandatory aspects of the invention, this mechanism incorporates one or more of the following features:
  • The first ring is provided with at least one relief capable of coming into engagement with a corresponding relief provided on the winding shaft for the rotational joining of this ring and this shaft.
  • The first end of the spring is integral in rotation with a second ring immobilized around the first end of the housing of the drive member.
  • The spring has a length such that it does not substantially exceed, in an axial direction, relative to a housing of the drive member.
  • The drive member may comprise an electric motor, possibly associated with a gearbox.
  • The mechanism comprises means for temporary immobilization of the first ring in rotation relative to the housing.

L'invention concerne également une installation de fermeture ou de protection solaire qui comprend un mécanisme de manoeuvre tel que précisément décrit. Une telle installation est plus facile à mettre en place et plus économique que celles de l'état de la technique.The invention also relates to a closure or sun protection system which comprises an operating mechanism as precisely described. Such an installation is easier to implement and more economical than those of the state of the art.

L'invention sera mieux comprise et d'autres avantages de celle-ci apparaîtront plus clairement à la lumière de la description qui va suivre d'un mode de réalisation d'une installation de fermeture équipée d'un mécanisme de manoeuvre conforme à l'invention, donnée uniquement à titre d'exemple et faite en référence aux dessins annexés dans lesquels :

  • la figure 1 est une coupe axiale partielle de principe d'une partie d'une installation de fermeture en cours d'assemblage
  • la figure 2 est une coupe axiale partielle de l'installation de la figure 1 en configuration d'utilisation
  • la figure 3 est une coupe analogue à la figure 1, pour une autre installation de fermeture
  • la figure 4 est une coupe analogue à la figure 2 pour l'installation de la figure 3
  • la figure 5 est une coupe analogue à la figure 1, pour une installation conforme à l'invention et
  • la figure 6 est une coupe analogue à la figure 2 pour l'installation de la figure 5.
The invention will be better understood and other advantages thereof will appear more clearly in the light of the following description of an embodiment of a closure system equipped with an operating mechanism according to the invention. invention, given solely by way of example and with reference to the accompanying drawings in which:
  • the figure 1 is a partial axial sectional view of a portion of a closure assembly being assembled
  • the figure 2 is a partial axial section of the installation of the figure 1 in use configuration
  • the figure 3 is a cut similar to the figure 1 , for another closure installation
  • the figure 4 is a cut similar to the figure 2 for the installation of the figure 3
  • the figure 5 is a cut similar to the figure 1 , for an installation according to the invention and
  • the figure 6 is a cut similar to the figure 2 for the installation of the figure 5 .

L'installation représentée partiellement aux figures 1 et 2 n'est pas selon l'invention. Elle comprend un mécanisme 1 permettant d'enrouler plus ou moins un tablier T autour d'un axe géométrique X-X', ceci permettant d'obturer plus ou moins une ouverture O ménagée dans la maçonnerie d'un bâtiment.The installation partially represented figures 1 and 2 is not according to the invention. It comprises a mechanism 1 for winding more or less an apron T around a geometric axis X-X ', this to close more or less an opening O formed in the masonry of a building.

Le mécanisme 1 comprend un arbre 2 dont l'axe géométrique central est confondu avec l'axe X-X' et qui est supporté par rapport à la structure du bâtiment au moyen d'une console 3 formant palier.The mechanism 1 comprises a shaft 2 whose central geometric axis coincides with the axis X-X 'and which is supported relative to the building structure by means of a bracket 3 forming a bearing.

Un organe d'entraînement 4 est prévu pour mettre en rotation l'arbre autour de l'axe X-X', comme représenté par la flèche R à la figure 2. Cet organe comprend un moteur électrique 41 et un réducteur 42. On note 43 l'arbre de sortie de l'organe 4 et 44 son boîtier à l'intérieur duquel sont logés les éléments 41 et 42.A drive member 4 is provided for rotating the shaft about the X-X 'axis, as shown by the arrow R at the figure 2 . This member comprises an electric motor 41 and a gearbox 42. The output shaft 43 is noted of the member 4 and 44 its housing inside which are housed the elements 41 and 42.

Un ressort de compensation 5 est prévu pour compenser le couple exercé par le poids du tablier T autour de l'axe X-X'. Ce ressort est un ressort de torsion disposé en hélice autour du boîtier 44 de l'organe 4.A compensation spring 5 is provided to compensate the torque exerted by the weight of the deck T about the axis X-X '. This spring is a torsion spring disposed helically around the housing 44 of the member 4.

Le boîtier 44 est pourvu d'un ergot 45 autour duquel est ancrée une première extrémité 51 du ressort 5 qui est conformée en boucle.The housing 44 is provided with a lug 45 around which is anchored a first end 51 of the spring 5 which is shaped in a loop.

La seconde extrémité 52 du ressort 5 est introduite dans un logement 62 ménagé dans un disque d'entraînement 6 prévu pour être solidarisé en rotation avec l'arbre 2 par tout moyen approprié, par exemple par rivetage.The second end 52 of the spring 5 is introduced into a housing 62 formed in a drive disk 6 provided to be secured in rotation with the shaft 2 by any appropriate means, for example by riveting.

Le disque 6 est pourvu d'une ouverture centrale 61 de section adaptée à la section de l'arbre 43, de telle sorte que le disque 6 est solidaire en rotation de l'arbre 43.The disc 6 is provided with a central opening 61 of section adapted to the section of the shaft 43, so that the disc 6 is integral in rotation with the shaft 43.

Une bague-entretoise 7 est prévue pour centrer le boîtier 44 dans l'arbre 2, avec possibilité de rotation.A spacer ring 7 is provided for centering the housing 44 in the shaft 2, with the possibility of rotation.

Comme il ressort plus particulièrement de la figure 1, les éléments 3 à 7 constituent un sous-ensemble 10 qui peut être partiellement introduit, en une opération, à l'intérieur de l'arbre 2, comme représenté par la flèche F1. En particulier, l'organe 4 et le ressort 5 appartiennent à l'ensemble 10 et sont mis en place dans l'arbre 2.As is clear from the figure 1 , the elements 3 to 7 constitute a subassembly 10 which can be partially introduced, in one operation, inside the shaft 2, as represented by the arrow F 1 . In particular, the member 4 and the spring 5 belong to the assembly 10 and are placed in the shaft 2.

On note L5 la longueur du ressort 5 prise selon la direction de l'axe X-X'. On note L4 la longueur de l'organe 4 prise selon la même direction. La longueur L5 est inférieure à la longueur L4 et le ressort 5 ne fait pas sensiblement saillie au-delà du boîtier 44, ce qui confère au sous-ensemble 7 un caractère compact et monolithique simplifiant sa manipulation et permettant des gains de temps en installation.L 5 is the length of the spring 5 taken in the direction of the axis X-X '. L 4 is the length of the member 4 taken in the same direction. The length L 5 is less than the length L 4 and the spring 5 does not project substantially beyond the casing 44, which gives the subset 7 a compact and monolithic character simplifying its handling and allowing time savings by installation.

Lorsque le dispositif est en configuration de fonctionnement représenté à la figure 2, une rotation R de l'arbre 2 induit une rotation correspondante du disque 6 et une modification de la tension du ressort 5, puisque son extrémité 52 tourne autour de l'axe X-X', alors que son extrémité 51 demeure fixe par rapport au boîtier 44 qui est lui-même fixe par rapport à l'axe X-X'.When the device is in the operating configuration shown in FIG. figure 2 , a rotation R of the shaft 2 induces a corresponding rotation of the disc 6 and a change in the tension of the spring 5, since its end 52 rotates about the axis X-X ', while its end 51 remains fixed relative to to the housing 44 which is itself fixed relative to the axis X-X '.

Dans l'installation représentée aux figures 3 et 4, qui n'est pas selon l'invention, les éléments analogues à ceux de l'installation des figures 1 et 2 portent des références identiques augmentées de 100. Le mécanisme 101 de ce mode de réalisation est également centré sur un axe X-X' et comprend un arbre 102 d'enroulement d'un tablier T, cet arbre étant supporté grâce à une console 103 et recevant un organe d'entraînement 104 comprenant un moteur électrique 141 et un réducteur 142. Comme précédemment, un ressort 105 est monté autour du boîtier 144 de l'organe 104, ce ressort étant solidaire par sa première extrémité 151 d'un ergot 145 prévu sur le boîtier 144.In the installation represented in figures 3 and 4 , which is not according to the invention, the elements similar to those of installation of figures 1 and 2 are identical references increased by 100. The mechanism 101 of this embodiment is also centered on an axis XX 'and comprises a shaft 102 for winding a deck T, this shaft being supported by a console 103 and receiving a drive member 104 comprising an electric motor 141 and a gearbox 142. As previously, a spring 105 is mounted around the housing 144 of the member 104, this spring being secured by its first end 151 of a lug 145 provided on the casing 144.

Une bague-entretoise 107 est disposée autour du boîtier 144, à proximité de la console 103, avec possibilité de rotation, et permet un centrage relatif des éléments 102 et 104.A spacer ring 107 is disposed around the housing 144, near the bracket 103, with the possibility of rotation, and allows a relative centering of the elements 102 and 104.

Une bague 108 est montée libre en rotation autour de l'extrémité 144a du boîtier 144 opposée à la console 103, cette bague 108 étant pourvue d'une ouverture centrale 181 dont la section est telle qu'elle peut être entraînée en rotation par l'arbre de sortie 143 de l'organe 104. La seconde extrémité 152 du ressort 105 est fixée par tout moyen approprié sur la bague 108, par exemple par coopération de formes, clippage, collage ou soudage.A ring 108 is rotatably mounted around the end 144a of the housing 144 opposite the console 103, this ring 108 being provided with a central opening 181 whose section is such that it can be rotated by the output shaft 143 of the member 104. The second end 152 of the spring 105 is fixed by any appropriate means on the ring 108, for example by cooperation of shapes, clipping, gluing or welding.

Un disque d'entraînement 106 est fixé à l'intérieur du tube 102 lors de sa fabrication et est pourvu d'une ouverture 161 de réception de l'arbre 143, la section de l'ouverture 161 permettant un entraînement en rotation du disque 106 à partir de l'arbre 143.A drive disk 106 is fixed inside the tube 102 during its manufacture and is provided with an opening 161 for receiving the shaft 143, the section of the opening 161 allowing a drive in rotation of the disk 106. from the tree 143.

Les éléments 103 à 107 et 108 constituent un sous-ensemble 110 qui peut être partiellement introduit en une opération à l'intérieur du tube 102, comme représenté par la flèche F1 à la figure 3.The elements 103 to 107 and 108 constitute a subassembly 110 which may be partially introduced into an operation inside the tube 102, as represented by the arrow F 1 at the figure 3 .

La longueur L105 du ressort 105 parallèlement à l'axe X-X' est inférieure à la longueur L104 de l'organe 104 parallèlement à cet axe.The length L 105 of the spring 105 parallel to the axis XX 'is smaller than the length L 104 of the member 104 parallel to this axis.

Dans le mode de réalisation de l'invention représenté aux figures 5 et 6, les éléments analogues à ceux de l'installation des figures 1 et 2 portent des références identiques augmentées de 200. Le mécanisme 201 de ce mode de réalisation comprend un arbre 202 d'entraînement d'un tablier T permettant d'obturer plus ou moins une ouverture O. Cet arbre 202 est supporté par une console 203 immobilisée par rapport à la maçonnerie du bâtiment. Un organe d'entraînement 204 comprend un moteur électrique 241 et un réducteur 242 disposés à l'intérieur d'un boîtier 244 de forme cylindrique à section circulaire comme les boîtiers 44 et 144.In the embodiment of the invention shown in figures 5 and 6 , elements similar to those of the installation of figures 1 and 2 have the same references increased by 200. The mechanism 201 of this embodiment comprises a drive shaft 202 of an apron T to close more or less an opening O. This shaft 202 is supported by a console 203 immobilized relative to the masonry of the building. A drive member 204 comprises an electric motor 241 and a gearbox 242 disposed within a cylindrical casing 244 of circular section such as the housings 44 and 144.

On note 243 l'arbre de sortie de l'organe 204. Cet arbre 243 est prévu pour être introduit dans une ouverture 261 d'un disque d'entraînement 206 monté fixe à l'intérieur de l'arbre 202.243 is the output shaft of the member 204. This shaft 243 is intended to be introduced into an opening 261 of a drive disc 206 fixedly mounted inside the shaft 202.

Un ressort 205 est monté autour du boîtier 244 et immobilisé en rotation sur celui-ci par serrage de sa première extrémité 251 sur une bague tronconique 209, elle-même immobilisée sur l'extrémité 244a du boîtier 244 opposé à la console 203.A spring 205 is mounted around the housing 244 and immobilized in rotation thereon by clamping its first end 251 on a frustoconical ring 209, itself immobilized on the end 244a of the housing 244 opposite the bracket 203.

Une autre bague 208 est montée autour du boîtier 244, au niveau de son extrémité 244b la plus proche de la console 203, la bague 208 pouvant tourner autour de l'extrémité 244b.Another ring 208 is mounted around the housing 244, at its end 244b closest to the console 203, the ring 208 being rotatable around the end 244b.

La bague 208 est, par ailleurs, pourvue d'une surface tronconique 282 de réception et de coincement de la seconde extrémité 252 du ressort 205.The ring 208 is, moreover, provided with a frustoconical surface 282 for receiving and jamming the second end 252 of the spring 205.

La bague 208 est également pourvue de plusieurs saillies radiales 283 destinées à être chacune engagées dans une encoche 223 ménagée au niveau de l'extrémité 221 du tube 202.The ring 208 is also provided with a plurality of radial projections 283 intended to be each engaged in a notch 223 formed at the end 221 of the tube 202.

Les éléments 203 à 205, 208 et 209 constituent un sous-ensemble 210 pouvant être introduit en une opération, représentée par la flèche F1 à la figure 5, à l'intérieur du tube 202, ce sous-ensemble permettant de réaliser les fonctions d'entraînement du tube 202 et de compensation, comme les sous-ensembles 10 et 110 des premier et second modes de réalisation.The elements 203 to 205, 208 and 209 constitute a subassembly 210 that can be introduced in one operation, represented by the arrow F 1 on the figure 5 , inside the tube 202, this subassembly for performing the drive functions of the tube 202 and compensation, as the subsets 10 and 110 of the first and second embodiments.

Du fait de l'introduction du sous-ensemble 210 dans le tube 202, l'arbre 243 vient en prise à l'intérieur de l'ouverture 261, alors que les saillies 283 viennent en prise dans les encoches 223.Due to the introduction of the subassembly 210 into the tube 202, the shaft 243 engages inside the opening 261, while the projections 283 engage in the notches 223.

Comme représenté à la figure 5, lors de la mise en place de l'installation, la bague 206 est montée sur l'arbre 243 avant que le sous-ensemble 210 ne soit introduit dans le tube 202, ce qui évite un réglage postérieur de l'orientation relative des bagues 206 et 208. Une même façon de procéder peut être employée avec les mécanismes des premier et deuxième modes de réalisations.As represented in figure 5 when setting up the installation, the ring 206 is mounted on the shaft 243 before the subassembly 210 is introduced into the tube 202, which avoids a subsequent adjustment of the relative orientation of the rings. 206 and 208. The same way of proceeding can be used with the mechanisms of the first and second embodiments.

Ce mode de réalisation présente l'avantage particulier que, dans la configuration de la figure 5 du sous-ensemble 210, qui correspond à sa configuration de stockage avant mise en place dans une installation prévue sur un bâtiment, le couple exercé par le ressort 205 entre les bagues 208 et 209 n'est pas transmis à l'arbre 243. Il est en effet prévu un moyen d'immobilisation en rotation de la bague 208 par rapport au boîtier 244, ce moyen pouvant être une clavette 211 comme représentée en traits mixtes à la figure 5. Tout autre moyen d'immobilisation peut cependant être envisagé, par exemple une fixation par vissage.This embodiment has the particular advantage that, in the configuration of the figure 5 of the subassembly 210, which corresponds to its storage configuration before installation in an installation provided on a building, the torque exerted by the spring 205 between the rings 208 and 209 is not transmitted to the shaft 243. is indeed provided a means of immobilization in rotation of the ring 208 relative to the housing 244, this means may be a key 211 as shown in phantom at the figure 5 . Any other means of immobilization can however be envisaged, for example a fastening by screwing.

La position de la bague 208 peut être réglée, avant son immobilisation par rapport au boîtier 244, de telle sorte que l'effort de compensation exercé par le ressort 205 correspond sensiblement à l'effort de compensation à exercer pour compenser le poids maximum du tablier T, c'est-à-dire son poids en configuration fermée de l'ouverture O. Ce couple maximum n'étant pas transmis à l'arbre 243, et par la même au réducteur 242, ce réducteur peut être dimensionné en tenant compte du fait que, lorsque le sous-ensemble 210 est en place dans l'arbre 202, le poids du tablier T et l'effort du ressort 205 se compensent approximativement. Le réducteur 242 peut donc être plus petit et plus léger que les réducteurs des installations connues, ceci permettant de réaliser un gain substantiel sur le prix de revient du mécanisme 201.The position of the ring 208 can be adjusted before its immobilization with respect to the housing 244, so that the compensation force exerted by the spring 205 substantially corresponds to the compensation force to be exerted to compensate for the maximum weight of the deck. T, that is to say its weight in the closed configuration of the opening O. This maximum torque is not transmitted to the shaft 243, and by the same to the gearbox 242, this gear can be dimensioned taking into account because when the subassembly 210 is in place in the shaft 202, the weight of the deck T and the force of the spring 205 compensate approximately. The gearbox 242 may therefore be smaller and lighter than the gearboxes of the known installations, this making it possible to make a substantial gain in the cost price of the mechanism 201.

La longueur L205 du ressort 205 est sensiblement plus courte que la longueur totale de l'organe 204.The length L 205 of the spring 205 is substantially shorter than the total length of the member 204.

Selon une variante non représentée de l'invention, un mécanisme conforme à son principe peut également être équipé d'un dispositif de sécurité tel que décrit dans la demande de brevet français N° 2 837 866 .According to a variant not shown of the invention, a mechanism according to its principle can also be equipped with a safety device as described in the French patent application No. 2,837,866 .

Des modifications évidentes peuvent être apportées au mode de réalisation décrit, sans sortir du cadre de la présente invention défini par les revendications ci-jointes. Obvious modifications can be made to the described embodiment without departing from the scope of the present invention defined by the appended claims.

Claims (7)

  1. Mechanism for maneuvering a closing or sun-protection installation comprising a driving element (204) for driving in rotation a winding shaft (202) for a closing screen and at least one spring (205) for compensating the weight of said screen, said driving element (204) being fast with a bracket (203) and said spring (205) being mounted around a casing (244) of said driving element (204), whereas said spring and said element belong to a sub-unit (210) adapted to be at least partially introduced (F1) in unitary manner inside said shaft (202), wherein a first end (251) of said spring is kinematically linked to a first end (244a) of said casing (244) which is opposite to said bracket (203), while the second end (252) of said spring (205) is fast in rotation with a first ring (208) mounted to rotate freely around a second end (244b) of said casing, which is nearest to said bracket (203), said first ring (208) being adapted to be rendered directly fast in rotation with said winding shaft (202) when said sub-unit is in placet in said shaft.
  2. Mechanism according to Claim 1, characterized in that said first ring (208) is provided with at least one element in relief (283) adapted to come into mesh with a corresponding element in relief (223) provided on said winding shaft (202) for connection of said ring and said-shaft in rotation.
  3. Mechanism according to one of Claims 1 or 2, characterized in that said first end (251) of said spring (205) is fast in rotation with a second ring (209) immobilized around said first end (244a) of said casing (244) of said driving element (204).
  4. Mechanism according to one of the preceding Claims, characterized in that said spring (205) has such a length (L205) that it does not project substantially, in an axial direction (X-X'), with respect to said casing (244) of said driving element (204).
  5. Mechanism according to one of the preceding Claims, characterized in that said driving element (204) comprises an electric motor (241).
  6. Mechanism according to one of the previous Claims, characterized in that it includes means (211) for temporarily immobilizing said first ring (208) in rotation with respect to said casing (244).
  7. Closing or sun-protection installation, characterized in that it comprises a maneouvering mechanism (201) according to one of the preceding Claims.
EP03740535A 2002-03-28 2003-03-27 Winding shaft actuated by means of a tubular drive Expired - Lifetime EP1490576B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0203940 2002-03-28
FR0203940A FR2837865B1 (en) 2002-03-28 2002-03-28 MANUFACTURING MECHANISM AND CLOSURE OR SOLAR PROTECTION INSTALLATION INCORPORATING SUCH A DEVICE
PCT/FR2003/000974 WO2003083245A2 (en) 2002-03-28 2003-03-27 Maneuvering mechanism and closing installation or sun-protection installation incorporating one such device

Publications (2)

Publication Number Publication Date
EP1490576A2 EP1490576A2 (en) 2004-12-29
EP1490576B1 true EP1490576B1 (en) 2011-11-30

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EP03740535A Expired - Lifetime EP1490576B1 (en) 2002-03-28 2003-03-27 Winding shaft actuated by means of a tubular drive

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US (1) US7237592B2 (en)
EP (1) EP1490576B1 (en)
JP (1) JP4549064B2 (en)
CN (1) CN100451292C (en)
AT (1) ATE535675T1 (en)
AU (1) AU2003258837B2 (en)
ES (1) ES2377199T3 (en)
FR (1) FR2837865B1 (en)
RU (1) RU2314403C2 (en)
WO (1) WO2003083245A2 (en)

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Also Published As

Publication number Publication date
EP1490576A2 (en) 2004-12-29
ATE535675T1 (en) 2011-12-15
WO2003083245A3 (en) 2004-04-01
AU2003258837A1 (en) 2003-10-13
WO2003083245A2 (en) 2003-10-09
CN1643231A (en) 2005-07-20
FR2837865A1 (en) 2003-10-03
US20050126723A1 (en) 2005-06-16
RU2004131670A (en) 2005-06-10
CN100451292C (en) 2009-01-14
FR2837865B1 (en) 2005-07-29
JP4549064B2 (en) 2010-09-22
ES2377199T3 (en) 2012-03-23
RU2314403C2 (en) 2008-01-10
US7237592B2 (en) 2007-07-03
JP2005521816A (en) 2005-07-21
AU2003258837B2 (en) 2008-07-24

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