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EP1490576A2 - Maneuvering mechanism and closing installation or sun-protection installation incorporating one such device - Google Patents

Maneuvering mechanism and closing installation or sun-protection installation incorporating one such device

Info

Publication number
EP1490576A2
EP1490576A2 EP03740535A EP03740535A EP1490576A2 EP 1490576 A2 EP1490576 A2 EP 1490576A2 EP 03740535 A EP03740535 A EP 03740535A EP 03740535 A EP03740535 A EP 03740535A EP 1490576 A2 EP1490576 A2 EP 1490576A2
Authority
EP
European Patent Office
Prior art keywords
spring
shaft
ring
mechanism according
installation
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
EP03740535A
Other languages
German (de)
French (fr)
Other versions
EP1490576B1 (en
Inventor
Franck Arnoux
Christophe Bresson
Benjamin Bousson
Hassan Chaiba
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.)
Simu SAS
Original Assignee
Simu SAS
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 Simu SAS filed Critical Simu SAS
Publication of EP1490576A2 publication Critical patent/EP1490576A2/en
Application granted granted Critical
Publication of EP1490576B1 publication Critical patent/EP1490576B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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 closing or sun protection installation comprising such a mechanism.
  • closing installation means doors, gates, shutters, grilles and equivalent equipment.
  • Winding mechanisms comprising compensating springs are known, for example, from FR-A-2 743 107, DE-A-296 05 670 or JP-A-2000-234485.
  • a tubular drive motor and, on the other hand, compensating springs, these springs and this motor having to be placed in the winding shaft on the site of use of the installation, while the working conditions of the installer are sometimes precarious, in particular due to limited height accessibility.
  • 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 installations.
  • the invention more particularly intends to remedy 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 known compensated mechanisms.
  • the invention relates to a mechanism for operating a closing or sun protection installation comprising a member for rotating a winding shaft for a shutter screen and at least one compensation spring. the weight of this shutter screen.
  • This mechanism is characterized in that the spring is mounted around the drive member and belongs with it to a sub-assembly capable of being at least partially introduced in a unitary manner inside the shaft of winding, a first end of the spring being kinematically linked to the drive member, while its second end is adapted to be kinematically linked to this shaft when the sub-assembly is in place in the shaft.
  • the drive member which can be an electric motor
  • the compensating spring can be manipulated and put in place in a relatively simple operation, which facilitates the work of the installer, decreases the assembly time and reduces the number of accessory parts required.
  • this mechanism incorporates one or more of the following characteristics:
  • the second end of the spring is secured to a drive member capable of being secured to the shaft, inside the latter.
  • the second end of the spring is secured to a ring mounted to rotate freely around a housing of the drive member.
  • This ring is advantageously integral in rotation with an output shaft of the drive member.
  • it can be made directly integral in rotation with the winding shaft, so that the output shaft of the drive member is not stressed by the compensating spring.
  • This makes it possible to prevent the reduction gear conventionally provided at the output of an electric motor from being subjected during a relatively long storage period to a force exerted on the output shaft by the armed spring in a torque compensation configuration maximum exerted by the shutter screen.
  • the ring is provided with at least one relief capable of engaging with a corresponding relief provided on the winding shaft for the rotational attachment of this ring and this shaft.
  • the first end of the spring is anchored on a housing of the drive member.
  • the first end of the spring is integral in rotation with a ring immobilized around a 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 include an electric motor, possibly associated with a reduction gear.
  • the invention also relates to a closing or sun protection installation which comprises an operating mechanism as precisely described. Such an installation is easier to install and more economical than those of the prior art.
  • FIG. 1 is a partial axial section in principle of part of a closing installation during assembly
  • Figure 2 is a partial axial section of the installation of Figure 1 in configuration of use
  • FIG. 3 is a section similar to Figure 1, for an installation according to a second embodiment of the invention
  • FIG. 4 is a section similar to Figure 2 for the installation of Figure 3
  • FIG. 5 is a section similar to FIG. 1, for an installation in accordance with a third embodiment of the invention.
  • Figure 6 is a section similar to Figure 2 for the installation of Figure 5.
  • the installation partially shown in Figures 1 and 2 includes a mechanism 1 for winding more or less an apron T around a geometric axis XX ', this allows to more or less close an opening O formed in the masonry of a building.
  • the mechanism 1 comprises a shaft 2, the central geometric axis of which coincides with the axis XX ′ and which is supported relative to the structure of the building by means of a console 3 forming a landing.
  • a drive member 4 is provided for rotating the shaft around the axis XX ′, as represented by the arrow R in FIG. 2.
  • This member comprises an electric motor 41 and a reduction gear 42.
  • We note 43 the output shaft of the member 4 and 44 its housing inside which the elements 41 and 42 are housed.
  • a compensation spring 5 is provided to compensate for the torque exerted by the weight of the deck T around the axis XX ′.
  • This spring is a torsion spring arranged 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 disc 6 intended to be secured in rotation with the shaft 2 by any suitable 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 shaft 2, with the possibility of rotation.
  • the elements 3 to 7 constitute a sub-assembly 10 which can be partially introduced, in one operation, to inside the shaft 2, as represented by the arrow Fi.
  • the member 4 and the spring 5 belong to the assembly 10 and are placed in the shaft 2.
  • L 5 the length of the spring 5 taken along the direction of the axis XX '.
  • L 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 protrude substantially beyond the housing 44, which gives the subassembly 7 a compact and monolithic character simplifying its handling and allowing time savings in installation.
  • a rotation R of the shaft 2 induces a corresponding rotation of the disc 6 and a modification of the tension of the spring 5, since its end 52 rotates around the axis X -X ', while its end 51 remains. fixed relative to the housing 44 which is itself fixed relative to the axis XX '.
  • the mechanism 101 of this embodiment is also centered on an axis XX 'and comprises a shaft 102 for winding an apron T, this shaft being supported by a console 103 and receiving a drive member 104 comprising an electric motor
  • a spring 105 is mounted around the housing 144 of the member 104, this spring being secured by its first end 151 to a lug 145 provided on the housing 144.
  • a spacer ring 107 is arranged around the housing 144, near the console 103, with the possibility of rotation, and allows relative centering of the elements 102 and 104.
  • a ring 108 is mounted to rotate freely 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 driven in rotation by the output shaft 143 of the member 104.
  • the second end 152 of the spring 105 is fixed by any suitable means to the ring 108, for example by cooperation of shapes, clipping, gluing or welding.
  • a drive disc 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 the disc 106 to be driven in rotation. from family tree 143.
  • the elements 103 to 107 and 108 constitute a sub-assembly 110 which can be partially introduced in one operation inside the tube 102, as represented by the arrow Fi in FIG. 3.
  • the length L105 of the spring 105 parallel to the axis XX ' is less than the length L ⁇ 0 of the member 104 parallel to this axis.
  • the mechanism 201 of this embodiment comprises a drive shaft 202 an apron T making it possible to close more or less an opening 0.
  • 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 reduction gear 242 arranged inside a housing 244 of cylindrical shape with circular section like the housings 44 and 144.
  • This shaft 243 denotes the output shaft of the member 204. This shaft 243 is designed 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 tightening its first end 251 on a frustoconical ring 209, itself immobilized on the end 244a of the housing 244 opposite the console 203.
  • Another ring 208 is mounted around the housing 244, at its end 244b closest to the console 203, the ring 208 being able to rotate around the end 244b.
  • the ring 208 is moreover provided with a frustoconical surface 282 for receiving and wedging the second end 252 of the spring 205.
  • the ring 208 is also provided with several radial projections 283 intended to each be engaged in a notch 223 formed at the end 221 of the tube 202.
  • the elements 203 to 205, 208 and 209 constitute a sub-assembly 210 which can be introduced in one operation, represented by the arrow Fi in FIG. 5, inside the tube 202, this sub-assembly making it possible to carry out the functions of driving the tube 202 and of compensation, like the sub-assemblies 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 sub-assembly 210 is introduced into the tube 202, which avoids a later 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 FIG. 5 of the sub-assembly 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 for immobilizing the ring 208 in rotation relative to the housing 244 this means possibly being a key 211 as shown in lines mixed in Figure 5. Any other means of immobilization can however be envisaged, for example fixing by screwing.
  • the position of the ring 208 can be adjusted, before it is immobilized relative to the housing 244, so that the compensation force exerted by the spring 205 corresponds substantially 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.
  • the reducer 242 can therefore be smaller and lighter than the reducers of known installations, this making it possible to achieve a substantial saving on the cost price of the mechanism 201.
  • the length L 20 s of the spring 205 is substantially shorter than the total length of the member 204.
  • a mechanism in accordance with its principle can also be equipped with a safety device as described in French patent application No. 02 03942, the content of which is incorporated here by reference.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Details Of Aerials (AREA)
  • Centrifugal Separators (AREA)

Abstract

The mechanism (1) comprises an element (4) for rotationally driving a winding shaft (2) for the closing screen of an opening (O) and at least one compensating spring (5) for the weight of the screen. 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 (F1) in a unitary manner inside the shaft (2), a first end (51) of the spring (5) being cinematically linked to said element (4) and a second end (52) thereof being able to be cinematically linked to the shaft (2) when the sub-unit (10) is placed inside the shaft (2).

Description

MECANISME DE MANOEUVRE ET INSTALLATION DE FERMETURE OU DE PROTECTION SOLAIRE INCORPORANT UN TEL DISPOSITIF MANEUVERING MECHANISM AND CLOSURE OR SUN PROTECTION INSTALLATION INCLUDING SUCH A DEVICE
L'invention a trait à un mécanisme de manœuvre et à une installation de fermeture ou de protection solaire comprenant un tel mécanisme.The invention relates to an operating mechanism and to a closing or sun protection installation comprising such a mechanism.
Par installation de fermeture, on entend les portes, portails, volets, grilles et matériels équivalents.The term “closing installation” means doors, gates, shutters, grilles and equivalent equipment.
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 closing or sun protection installation, it is known to use a mechanical or electric drive member to rotate, around its main geometric axis, a winding shaft for a screen for closing 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 for the torque exerted on the winding mechanism by the weight of the shutter screen, this compensation being obtained by one or more springs called "compensation". Winding mechanisms comprising compensating springs are known, for example, from FR-A-2 743 107, 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, compensating springs, these springs and this motor having to be placed in the winding shaft on the site of use of the installation, while the working conditions of the installer are sometimes precarious, in particular due to limited height accessibility. 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 installations.
C'est à ces inconvénients qu'entend plus particulièrement remédier l'invention en proposant un mécanisme de manœuvre 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. Dans cet esprit, l'invention concerne un mécanisme de manœuvre 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. Ce mécanisme est caractérisé en ce que le ressort est monté autour 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, une première extrémité du ressort étant cinématiquement liée à l'organe d'entraînement, alors que sa seconde extrémité est apte à être cinématiquement liée à cet arbre lorsque le sous- ensemble est en place dans l'arbre. 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.It is to these drawbacks that the invention more particularly intends to remedy 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 known compensated mechanisms. In this spirit, the invention relates to a mechanism for operating a closing or sun protection installation comprising a member for rotating a winding shaft for a shutter screen and at least one compensation spring. the weight of this shutter screen. This mechanism is characterized in that the spring is mounted around the drive member and belongs with it to a sub-assembly capable of being at least partially introduced in a unitary manner inside the shaft of winding, a first end of the spring being kinematically linked to the drive member, while its second end is adapted to be kinematically linked to this shaft when the sub-assembly is in place in the shaft. Thanks to the invention, the drive member, which can be an electric motor, and the compensating spring can be manipulated and put in place in a relatively simple operation, which facilitates the work of the installer, decreases the assembly time and reduces the number of accessory parts required.
Selon des aspects avantageux mais non obligatoires de l'invention, ce mécanisme incorpore une ou plusieurs des caractéristiques suivantes :According to advantageous but not compulsory aspects of the invention, this mechanism incorporates one or more of the following characteristics:
- La seconde extrémité du ressort est solidaire d'un organe d'entraînement apte à être solidarisé avec l'arbre, à l'intérieur de celui-ci.- The second end of the spring is secured to a drive member capable of being secured to the shaft, inside the latter.
- La seconde extrémité du ressort est solidaire d'une bague montée libre en rotation autour d'un boîtier de l'organe d'entraînement. Cette bague est avantageusement solidaire en rotation avec un arbre de sortie de l'organe d'entraînement. En variante, elle peut être rendue directement solidaire en rotation avec l'arbre d'enroulement, de telle sorte que l'arbre de sortie de l'organe d'entraînement n'est pas sollicité par le ressort de compensation. Ceci permet d'éviter que le réducteur classiquement prévu en sortie d'un moteur électrique soit soumis pendant une période de stockage relativement longue à un effort exercé sur l'arbre de sortie par le ressort armé dans une configuration de compensation du couple maximum exercé par l'écran d'obturation. On peut, en particulier, prévoir que la 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.- The second end of the spring is secured to a ring mounted to rotate freely around a housing of the drive member. This ring is advantageously integral in rotation with an output shaft of the drive member. As a variant, it can be made directly integral in rotation with the winding shaft, so that the output shaft of the drive member is not stressed by the compensating spring. This makes it possible to prevent the reduction gear conventionally provided at the output of an electric motor from being subjected during a relatively long storage period to a force exerted on the output shaft by the armed spring in a torque compensation configuration maximum exerted by the shutter screen. One can, in particular, provide that the ring is provided with at least one relief capable of engaging with a corresponding relief provided on the winding shaft for the rotational attachment of this ring and this shaft.
- La première extrémité du ressort est ancrée sur un boîtier de l'organe d'entraînement.- The first end of the spring is anchored on a housing of the drive member.
- La première extrémité du ressort est solidaire en rotation d'une bague immobilisée autour d'un boîtier de l'organe d'entraînement.- The first end of the spring is integral in rotation with a ring immobilized around a housing of the drive member.
- Le ressort a une longueur telle qu'il ne dépasse pas sensiblement, selon une direction axiale, par rapport à un boîtier de l'organe d'entraînement.- The spring has a length such that it does not substantially exceed, in an axial direction, relative to a housing of the drive member.
L'organe d'entraînement peut comprendre un moteur électrique, éventuellement associé à un réducteur.The drive member may include an electric motor, possibly associated with a reduction gear.
L'invention concerne également une installation de fermeture ou de protection solaire qui comprend un mécanisme de manœuvre 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 closing or sun protection installation which comprises an operating mechanism as precisely described. Such an installation is easier to install and more economical than those of the prior 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 de trois modes de réalisation d'une installation de fermeture équipée d'un mécanisme de manœuvre conforme à l'invention, donnée uniquement à titre d'exemple et faite en référence aux dessins annexés dans lesquels :The invention will be better understood and other advantages thereof will appear more clearly in the light of the following description of three embodiments of a closure installation equipped with an operating mechanism according to the invention , given solely by way of example and with reference to the appended drawings in which:
- la figure 1 est une coupe axiale partielle de principe d'une partie d'une installation de fermeture en cours d'assemblage- Figure 1 is a partial axial section in principle of part of a closing installation during assembly
- la figure 2 est une coupe axiale partielle de l'installation de la figure 1 en configuration d'utilisation- Figure 2 is a partial axial section of the installation of Figure 1 in configuration of use
- la figure 3 est une coupe analogue à la figure 1, pour une installation conforme à un second mode de réalisation de l'invention- Figure 3 is a section similar to Figure 1, for an installation according to a second embodiment of the invention
- 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 un troisième mode de réalisation de l'invention et- Figure 4 is a section similar to Figure 2 for the installation of Figure 3 FIG. 5 is a section similar to FIG. 1, for an installation in accordance with a third embodiment of the invention, and
- la figure 6 est une coupe analogue à la figure 2 pour l'installation de la figure 5.- Figure 6 is a section similar to Figure 2 for the installation of Figure 5.
L'installation représentée partiellement aux figures 1 et 2 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 shown in Figures 1 and 2 includes a mechanism 1 for winding more or less an apron T around a geometric axis XX ', this allows to more or less close 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. 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.The mechanism 1 comprises a shaft 2, the central geometric axis of which coincides with the axis XX ′ and which is supported relative to the structure of the building by means of a console 3 forming a landing. A drive member 4 is provided for rotating the shaft around the axis XX ′, as represented by the arrow R in FIG. 2. This member comprises an electric motor 41 and a reduction gear 42. We note 43 the output shaft of the member 4 and 44 its housing inside which the elements 41 and 42 are housed.
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. 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.A compensation spring 5 is provided to compensate for the torque exerted by the weight of the deck T around the axis XX ′. This spring is a torsion spring arranged 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.
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 disc 6 intended to be secured in rotation with the shaft 2 by any suitable 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. Une bague-entretoise 7 est prévue pour centrer le boîtier 44 dans l'arbre 2, avec possibilité de rotation.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 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 Fi . En particulier, l'organe 4 et le ressort 5 appartiennent à l'ensemble 10 et sont mis en place dans l'arbre 2.As can be seen more particularly from FIG. 1, the elements 3 to 7 constitute a sub-assembly 10 which can be partially introduced, in one operation, to inside the shaft 2, as represented by the arrow Fi. 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 L 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.We note L 5 the length of the spring 5 taken along the direction of the axis XX '. We denote by L 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 protrude substantially beyond the housing 44, which gives the subassembly 7 a compact and monolithic character simplifying its handling and allowing time savings in 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. 2, a rotation R of the shaft 2 induces a corresponding rotation of the disc 6 and a modification of the tension of the spring 5, since its end 52 rotates around the axis X -X ', while its end 51 remains. fixed relative to the housing 44 which is itself fixed relative to the axis XX '.
Dans le second mode de réalisation de l'invention représenté aux figures 3 et 4, les éléments analogues à ceux du premier mode de réalisation 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 électriqueIn the second embodiment of the invention shown in Figures 3 and 4, elements similar to those of the first embodiment bear 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 an apron T, this shaft being supported by a console 103 and receiving a drive member 104 comprising an electric motor
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 144.141 and a reduction gear 142. As before, a spring 105 is mounted around the housing 144 of the member 104, this spring being secured by its first end 151 to a lug 145 provided on the housing 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. 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 spacer ring 107 is arranged around the housing 144, near the console 103, with the possibility of rotation, and allows relative centering of the elements 102 and 104. A ring 108 is mounted to rotate freely 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 driven in rotation by the output shaft 143 of the member 104. The second end 152 of the spring 105 is fixed by any suitable means to 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 disc 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 the disc 106 to be driven in rotation. from family 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 Fi à la figure 3.The elements 103 to 107 and 108 constitute a sub-assembly 110 which can be partially introduced in one operation inside the tube 102, as represented by the arrow Fi in FIG. 3.
La longueur L105 du ressort 105 parallèlement à l'axe X-X' est inférieure à la longueur Lι0 de l'organe 104 parallèlement à cet axe.The length L105 of the spring 105 parallel to the axis XX 'is less than the length Lι 0 of the member 104 parallel to this axis.
Dans le troisième mode de réalisation de l'invention représenté aux figures 5 et 6, les éléments analogues à ceux du premier mode de réalisation 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 0. 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 third embodiment of the invention shown in FIGS. 5 and 6, elements similar to those of the first embodiment bear identical references increased by 200. The mechanism 201 of this embodiment comprises a drive shaft 202 an apron T making it possible to close more or less an opening 0. 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 reduction gear 242 arranged inside a housing 244 of cylindrical shape with circular section like 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 denotes the output shaft of the member 204. This shaft 243 is designed 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 a la console 203.A spring 205 is mounted around the housing 244 and immobilized in rotation thereon by tightening its first end 251 on a frustoconical ring 209, itself immobilized on the end 244a of the housing 244 opposite the console 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 able to rotate 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 wedging 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. Les éléments 203 à 205, 208 et 209 constituent un sous-ensemble 210 pouvant être introduit en une opération, représentée par la flèche Fi 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 ring 208 is also provided with several radial projections 283 intended to each be engaged in a notch 223 formed at the end 221 of the tube 202. The elements 203 to 205, 208 and 209 constitute a sub-assembly 210 which can be introduced in one operation, represented by the arrow Fi in FIG. 5, inside the tube 202, this sub-assembly making it possible to carry out the functions of driving the tube 202 and of compensation, like the sub-assemblies 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 sub-assembly 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 shown in FIG. 5, during the installation of the installation, the ring 206 is mounted on the shaft 243 before the sub-assembly 210 is introduced into the tube 202, which avoids a later 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. 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.This embodiment has the particular advantage that, in the configuration of FIG. 5 of the sub-assembly 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. There is in fact provided a means for immobilizing the ring 208 in rotation relative to the housing 244, this means possibly being a key 211 as shown in lines mixed in Figure 5. Any other means of immobilization can however be envisaged, for example fixing by screwing. The position of the ring 208 can be adjusted, before it is immobilized relative to the housing 244, so that the compensation force exerted by the spring 205 corresponds substantially 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 not being transmitted to the shaft 243, and by the same to the reduction gear 242, this reduction gear can be dimensioned taking into account the fact that, when the sub-assembly 210 is in place in the shaft 202, the weight of the deck T and the force of the spring 205 approximately compensate for each other. The reducer 242 can therefore be smaller and lighter than the reducers of known installations, this making it possible to achieve a substantial saving on the cost price of the mechanism 201.
La longueur L20s du ressort 205 est sensiblement plus courte que la longueur totale de l'organe 204.The length L 20 s 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° 02 03942, dont le contenu est incorporé ici par référence.According to a variant not shown of the invention, a mechanism in accordance with its principle can also be equipped with a safety device as described in French patent application No. 02 03942, the content of which is incorporated here by reference.
Les caractéristiques techniques des différents modes de réalisation mentionnés peuvent être combinées entre elles sans sortir du cadre de la présente invention. De même, des modifications évidentes peuvent être apportées aux modes de réalisation décrits, sans sortir du cadre de la présente invention. The technical characteristics of the various embodiments mentioned can be combined with one another without departing from the scope of the present invention. Likewise, obvious modifications can be made to the embodiments described, without departing from the scope of the present invention.

Claims

Revendications claims
1. Mécanisme de manœuvre 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 dudit écran, caractérisé en ce que ledit ressort (5 ; 105 ; 205) est monté autour dudit organe (4 ; 104 ; 204) et en ce que ledit ressort et ledit organe appartiennent à un sous-ensemble (10 ; 110 ; 210) apte à être au moins partiellement introduit (Fi) de façon unitaire à l'intérieur dudit arbre (2 ; 102 ; 202), une première extrémité (51 ; 151 ; 251) dudit ressort étant cinématiquement liée audit organe, alors que sa seconde extrémité (52 ; 152 ; 252) est apte à être cinématiquement liée audit arbre lorsque ledit sous-ensemble est en place dans ledit arbre.1. Operating mechanism of a closing or sun protection installation comprising a member for rotating a winding shaft for a shutter screen and at least one spring for compensating for the weight of said screen, characterized in that said spring (5; 105; 205) is mounted around said member (4; 104; 204) and that said spring and said member belong to a sub-assembly (10; 110; 210) capable of being at least partially introduced (Fi) in a unitary manner inside said shaft (2; 102; 202), a first end (51; 151; 251) of said spring being kinematically linked to said member, while its second end (52; 152; 252) is able to be kinematically linked to said shaft when said subassembly is in place in said tree.
2. Mécanisme selon la revendication 1, caractérisé en ce que ladite seconde (52) extrémité dudit ressort (5) est solidaire d'un organe d'entraînement (6) apte à être solidarisé avec ledit arbre (2), à l'intérieur de celui-ci.2. Mechanism according to claim 1, characterized in that said second (52) end of said spring (5) is integral with a drive member (6) adapted to be integral with said shaft (2), inside of it.
3. Mécanisme selon la revendication 1, caractérisé en ce que ladite seconde extrémité (152 ; 252) dudit ressort (105 ; 205) est solidaire d'une bague (108 ; 208) montée libre en rotation autour d'un boîtier (144 ; 244) dudit organe d'entraînement (4 ; 204) .3. Mechanism according to claim 1, characterized in that said second end (152; 252) of said spring (105; 205) is integral with a ring (108; 208) mounted free in rotation around a housing (144; 244) of said drive member (4; 204).
4. Mécanisme selon la revendication 3, caractérisé en ce que ladite bague (108) est solidaire en rotation avec un arbre de sortie (143) dudit organe d'entraînement.4. Mechanism according to claim 3, characterized in that said ring (108) is integral in rotation with an output shaft (143) of said drive member.
5. Mécanisme selon la revendication 3, caractérisé en ce que ladite bague (208) est apte à être rendue directement solidaire en rotation avec ledit arbre d'enroulement (202). 5. Mechanism according to claim 3, characterized in that said ring (208) is capable of being made directly integral in rotation with said winding shaft (202).
6. Mécanisme selon la revendication 5, caractérisé en ce que ladite bague (208) est pourvue d'au moins un relief (283) apte à venir en prise avec un relief correspondant (223) prévu sur ledit arbre d'enroulement (202), pour la solidarisation en rotation de ladite bague et dudit arbre. 6. Mechanism according to claim 5, characterized in that said ring (208) is provided with at least one relief (283) capable of engaging with a corresponding relief (223) provided on said winding shaft (202) , for securing in rotation said ring and said shaft.
7. Mécanisme selon l'une des revendications précédentes, caractérisé en ce que ladite première extrémité (51 ; 151) dudit ressort (5 ; 105) est ancrée sur un boîtier (44 ; 144) dudit organe d'entraînement (4 ; 104) .7. Mechanism according to one of the preceding claims, characterized in that said first end (51; 151) of said spring (5; 105) is anchored on a housing (44; 144) of said drive member (4; 104) .
8. Mécanisme selon l'une des revendications 1 à 6, caractérisé en ce que ladite première extrémité (251) dudit ressort (205) est solidaire en rotation d'une bague (209) immobilisée autour d'un boîtier (244) dudit organe d'entraînement.8. Mechanism according to one of claims 1 to 6, characterized in that said first end (251) of said spring (205) is integral in rotation with a ring (209) immobilized around a housing (244) of said member drive.
9. Mécanisme selon l'une des revendications précédentes, caractérisé en ce que ledit ressort (5 ; 105 ; 205) a une longueur (L5 ; L105 ; L2os) telle qu'il ne dépasse pas sensiblement, selon une direction axiale (X-X'), par rapport à un boîtier (44 ; 144 ; 244) dudit organe d'entraînement (4 ; 104 ; 204) .9. Mechanism according to one of the preceding claims, characterized in that said spring (5; 105; 205) has a length (L 5 ; L105; L 2 bones) such that it does not substantially exceed, in an axial direction (X-X '), with respect to a housing (44; 144; 244) of said drive member (4; 104; 204).
10. Mécanisme selon l'une des revendications précédentes, caractérisé en ce que ledit organe d'entraînement (4 ; 104 ; 204) comprend un moteur électrique (41 ; 141 ; 241) .10. Mechanism according to one of the preceding claims, characterized in that said drive member (4; 104; 204) comprises an electric motor (41; 141; 241).
11. Installation de fermeture ou de protection solaire, caractérisée en ce qu'elle comprend un mécanisme de manœuvre (1 ; 101 ; 201) selon l'une des revendications précédentes . 11. Installation for closing or sun protection, characterized in that it comprises an operating mechanism (1; 101; 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)

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

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

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ATE535675T1 (en) 2011-12-15
CN100451292C (en) 2009-01-14
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US20050126723A1 (en) 2005-06-16
RU2004131670A (en) 2005-06-10
ES2377199T3 (en) 2012-03-23
CN1643231A (en) 2005-07-20
AU2003258837A1 (en) 2003-10-13
JP4549064B2 (en) 2010-09-22
WO2003083245A3 (en) 2004-04-01
WO2003083245A2 (en) 2003-10-09
JP2005521816A (en) 2005-07-21
AU2003258837B2 (en) 2008-07-24
US7237592B2 (en) 2007-07-03
RU2314403C2 (en) 2008-01-10
EP1490576B1 (en) 2011-11-30
FR2837865B1 (en) 2005-07-29

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