EP0839988B1 - Roller shutter with electrical drive and a reduction gearing device for such a shutter - Google Patents

Roller shutter with electrical drive and a reduction gearing device for such a shutter Download PDF

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Publication number
EP0839988B1
EP0839988B1 EP19970402565 EP97402565A EP0839988B1 EP 0839988 B1 EP0839988 B1 EP 0839988B1 EP 19970402565 EP19970402565 EP 19970402565 EP 97402565 A EP97402565 A EP 97402565A EP 0839988 B1 EP0839988 B1 EP 0839988B1
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EP
European Patent Office
Prior art keywords
pinion
fact
rolling shutter
central
shutter according
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EP19970402565
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German (de)
French (fr)
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EP0839988A1 (en
Inventor
Serge Libardi
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Individual
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Individual
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Priority claimed from FR9613309A external-priority patent/FR2755176A1/en
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    • 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
    • E06B9/70—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned outside the roller

Definitions

  • the subject of the present invention is a rolling shutter with control electric.
  • a set of roller shutters visible in FIG. 1, generally comprises a box 1, of generally parallelepiped shape, with or without cut sides, supporting a console at each of its ends 2, in the form of a housing, closed by a plate 3; each console 2 or each plate 3 are adapted to rotationally support the ends of an axis or tube 4, generally of hexagonal or circular section, extending in the trunk 1 and around which is rolled up or unrolled an apron of flap 6, most often via a suitable link adapter 5 to be secured in rotation on one side with the tube 4 and on the other side with the output of a transmission device 10.
  • the closing plate 3 which supports the end of the tube 4, the housing being placed at the end with its face open front, closable by plate 3, directed towards the tube; of course, the housing and the plate 3 could be reversed axially, the plate 3 being placed at the end and the open front face of the box facing outwards, in which case it is the bottom of the housing which supports the end of the tube 4.
  • Console 2 and plate 3 define a small space axial size designated below by technical space. More precisely, the external faces of the consoles 2 placed at each end of the roller shutter define the axial dimensions of the roller shutter, which corresponds to the width of the opening of the masonry which receives the shutter.
  • the axial ends of the blades of the deck 6 are maintained transversely and guided by a slide 8 whose entry is associated with a guide tulip 7 which cooperates here with a positioning arm 19, here secured to the console 2, connected to the slide 8; of course, the arm of positioning 19 can be independent of the console 2 to which it is secured by any appropriate means.
  • the technical space above outside the scope of the rotary platform, is defined axially practically by the side wall of the masonry and the bottom of the slide 8 in U receiving the ends of the blades of the deck 6; transversely, the technical area broadly corresponds to the section transverse of the trunk 1, practically corresponding to the bundle of deck in use when it is wound; it is in the technical space that the transmission device 10.
  • the transmission device 10 as shown in FIG. 1 is of the winch type: it comprises, as is better visible in FIG. 2, on the one hand, a pinion 11 said central having a hub 12 connected to the tube 4 by male-female type connections; here, the hub 12 has a housing 13 of square section, extending along its axis, and constituting the outlet of the transmission device 10 adapted to be secured in rotation with the adapter 5 via a connecting element 14 of square section corresponding, crossing the housing 13 and an equivalent housing provided in adapter 5; arranged tangentially to the central pinion 11, an endless screw 15 meshes therewith; the worm 15 is drilled a bore 16 of square section intended to receive a rod 17 of section corresponding maneuverable in rotation manually thanks to a crank 9.
  • the central pinion 11 and the worm 15 are housed in a casing here consisting of two half-housings 18; the transmission device 10 constitutes a subset of small thickness that can be accommodated in space technique defined above.
  • the transmission device 10 which has been described is of the winch type; as we know, in this same reduced axial size of the console 2 can be housed a different transmission device such as a device to strap, for example.
  • a reduced axial size of the console 2 which is generally less than twenty four millimeters in the case of a renovation but does not exceed thirty millimeters in the case of a new construction, has the advantage of only masking a very small part of the opening, with which the flap is associated, when the latter is open; the roller shutter assembly can thus be retrofitted especially on an existing opening, such as a window for example, without the need to perform additional work such as masonry.
  • the electric control such a rolling shutter is obtained by placing inside the octagonal axis or tube 4 a so-called tubular electric motor, of small diameter and large length, designed specifically for this application, of a cost price high considering the power required; in addition, the electric motor tubular is associated with a speed reducer of the planetary gear type also housed in tube 4, with a brake to counterbalance the dead weight of the deck in all its positions, to a capacitor for starting the motor, and a limit switch to ensure the upper limits and low of the apron during its winding and unwinding; all these components - reducer, brake, capacitor and limit switch - are, by their necessary miniaturization, of a high cost.
  • an electrically controlled shutter of the above type it is customary to keep a transmission device such as the device 10 for an emergency control of the shutter in the event of a breakdown electric.
  • the document CH-A-435 659 describes a rolling shutter with control electric comprising an apron, a tube and a reduction device, the apron winding, and unwinding, around a tube when it is rotated in one direction, or the other, by a reduction device comprising, on the one hand, a so-called central pinion having a hub adapted to be secured in rotation to said tube and, on the other part, a pinion said leading for the rotation drive of the central pinion, the driving pinion having a hub adapted to be secured in rotation to the shaft motor of an electric motor.
  • a reduction device comprising, on the one hand, a so-called central pinion having a hub adapted to be secured in rotation to said tube and, on the other part, a pinion said leading for the rotation drive of the central pinion, the driving pinion having a hub adapted to be secured in rotation to the shaft motor of an electric motor.
  • a reduction device comprising, on the one hand, a so-called central pinion having a
  • the reduction device includes two trains, a high speed reduction gear with six pinions or cogwheels and a low speed reduction gear having a worm screw cooperating with a wheel toothed; the high speed reduction gear is mounted on a motor of the type universal alternating current, equipped with cruise control; even though he be said in this document that the winch thus constituted is of a weak dimensions both transversely and axially, relative to the axis of the roller shutter, this space, especially axial, is clearly not weak enough that even the reduction system alone can take place in a space such as the technical space defined above. Of more, the reduction device is complicated, therefore expensive.
  • the object of the present invention is to propose a rolling shutter to electric control in which the electric control of the shutter is obtained under financial conditions lower than those known so far, the above benefits being retained.
  • the invention takes advantage of the technical space available in a rolling shutter, to house a gear reduction device enabling electrical control of the shutter curtain to be reduced cost.
  • the roller shutter has each from its ends a console in the form of a case closed by a plate, each console or each plate being adapted to rotationally support the ends of the tube, a console and its plate defining a small space axial size, called technical space, the central and leading gears of said gear reduction device being housed and mounted rotating in a housing itself housed in said technical space.
  • the central pinion meshes directly with the pinion leading;
  • the driving pinion is adapted to drive the central pinion via a kinematic chain comprising at least an intermediate gear.
  • the central pinion and the driving pinion are cylindrical pinions with straight or helical teeth, their axes being parallel.
  • the central pinion and the driving pinion are pinions conical and their axes are perpendicular, or parallel.
  • the pinion central has a housing or end piece of non-circular section extending along its axis.
  • the driving pinion has a housing or end piece not circular extending along its axis.
  • the transmission device further comprises a means for driving the central pinion capable of being actuated manually;
  • the drive means is a pinion meshing with the central gable;
  • the drive is a worm gear meshing with the central pinion.
  • At least one of the central gables, leading and intermediate is a stepped gable.
  • the transmission device comprises a housing supporting the gables; the case also supports the medium drive.
  • the roller shutter comprises a box in which is housed the tube and which supports each console or each plate.
  • FIG 3 there is an end console 2, in form of housing, and its plate 3 intended to close it, the console 2 and the plate 3 being supported by a trunk not shown, when the trunk is a insert, as shown in phantom in Figure 1; well understood, the trunk intended to receive the rolling shutter can be constituted, at at least partially, by the internal walls of a masonry housing, in which case the console 2 is fixed to the end walls of said housing.
  • the reduction device 20 comprises a so-called central pinion 21, the hub 22 of which is adapted to be secured in rotation to the tube around which the flap is wound and unwound rolling through a link adapter, such as adapter 5 of Figure 1; to do this, the hub 22 is here axially crossed by a passage or housing 23 of square section; adapter 5 presents also axially such a housing and the two housings, that of the hub 22 and that of the adapter, receive the same rod 14 of square section corresponding which constitutes a rotating connecting element.
  • a connection is a male-female type connection and that other solutions of this type are possible: for example, the hub 22 can wear a male end fitting adapted to cooperate with an adapter housing.
  • the central pinion 21 meshes a pinion 24 said leading adapted to be secured in rotation to the motor shaft of an electric motor, such as the motor M carried here by the plate 3.
  • the hub 27 of the pinion 24 is traversed axially by a passage or housing 28 of square section through which it can be secured in rotation to the motor shaft M, the end of which has a corresponding section.
  • the central pinions 21 and leading 24 are housed and mounted to rotate in a housing 29, here in two parts.
  • the reduction device 20 can be placed in the technical space in place of the device 10 of FIGS. 1 and 2, and makes it possible to carry out a command electric shutter using an electric motor M design classic, less expensive than the one used so far.
  • the electric motor M can be an alternating current motor, supplied with a voltage of 220 volts for example; it can also be direct current type, supplied with a voltage of 12 or 24 volts per examples, from an AC-DC transformer connected to the sector, or from an accumulator; an electric motor powered from as a known low DC voltage is advantageous in terms of of security.
  • the pinions 21 and 24 are shown as that spur gears; alternatively, these are gears cylindrical helical.
  • such a drive means is a screw endless 25 drilling a bore 26 of square section adapted to receive a operating rod, such as rod 17 in FIG. 1.
  • the pinions are gears conical, their axes being perpendicular; the device 30 therein shown has a central pinion 31 whose hub 32 has a axial housing 33 with square section, and a driving pinion 34 including the hub 37 has a housing 38, also of square section for training by an electric motor M whose shaft here extends radially relative to the housing 39 in which are housed and mounted rotating the central pinions 31 and leading 34.
  • the device 30 can, as shown in FIG. 9, include a drive means for manual control, here a bevel gear 35 to housing 36.
  • the reduction device 40 comprises, inside a housing 49, a central pinion 41 and a pinion leading 44, these two pinions having their parallel axes and hubs 42 and 47, respectively, which have housings of square section 43 and 48, respectively.
  • Such a device 40 can also, as shown in FIG. 11, include a drive means for manual control, here a pinion conical 45, with housing 46, the axis of which extends perpendicular to the axes pinions 41 and 44.
  • a drive means for manual control here a pinion conical 45, with housing 46, the axis of which extends perpendicular to the axes pinions 41 and 44.
  • Figures 12 and 13 show another variant of the reduction for a rolling shutter according to the invention; in these figures, we sees that the reduction device 50 has, as in the previous variants, on the one hand, a central pinion 51 having a hub 52 adapted to be secured in rotation to the tube 4, here thanks to a housing 53 of square section, and, on the other hand, a driving pinion 54 having a hub 57 adapted to be secured in rotation to the motor shaft of the electric motor M, here thanks to a housing 58 also of square section.
  • the driving pinion 54 does not mesh directly with the central pinion 51: the driving pinion 54 is adapted to drive the central pinion 51 via a kinematic chain here consisting of an intermediate pinion 63; according to the form represented, the intermediate pinion 63 is a stepped pinion of which a first stage, the stage 61, meshes with the driving pinion 54 and whose second stage, stage 62, meshes with the central pinion 51, the first stage 61 being of a diameter larger than that of the second floor 62.
  • the kinematic chain connecting the pinions leading 54 and central 51 can be varied and made up of two, three, four pinions intermediaries, see more. It is also possible to make the pinion leading and / or the central pinion in the form of a stepped pinion; all this depends on the desired gear ratio, which itself depends on the applications.

Description

La présente invention a pour objet un volet roulant à commande électrique.The subject of the present invention is a rolling shutter with control electric.

Comme on le sait, un ensemble de volet roulant, visible sur la figure 1, comprend généralement un coffre 1, de forme globalement parallélépipédique, à pans coupés ou non, supportant à chacune de ses extrémités une console 2, en forme de boítier, fermée par une plaque 3 ; chaque console 2 ou chaque plaque 3 sont adaptées à supporter à rotation les extrémités d'un axe ou tube 4, généralement de section hexagonale ou circulaire, s'étendant dans le coffre 1 et autour duquel est amené à s'enrouler ou se dérouler un tablier de volet 6, le plus souvent par l'intermédiaire d'un adaptateur de liaison 5 adapté à être solidarisé en rotation d'un côté avec le tube 4 et de l'autre côté avec la sortie d'un dispositif de transmission 10. Ici, c'est la plaque 3 de fermeture qui supporte l'extrémité du tube 4, le boítier étant placé en bout avec sa face avant ouverte, obturable par la plaque 3, dirigée vers le tube ; bien entendu, le boítier et la plaque 3 pourraient être inversés axialement, la plaque 3 étant placée en bout et la face avant ouverte du boítier dirigée vers l'extérieur, auquel cas c'est le fond du boítier qui supporte l'extrémité du tube 4.As is known, a set of roller shutters, visible in FIG. 1, generally comprises a box 1, of generally parallelepiped shape, with or without cut sides, supporting a console at each of its ends 2, in the form of a housing, closed by a plate 3; each console 2 or each plate 3 are adapted to rotationally support the ends of an axis or tube 4, generally of hexagonal or circular section, extending in the trunk 1 and around which is rolled up or unrolled an apron of flap 6, most often via a suitable link adapter 5 to be secured in rotation on one side with the tube 4 and on the other side with the output of a transmission device 10. Here, it is the closing plate 3 which supports the end of the tube 4, the housing being placed at the end with its face open front, closable by plate 3, directed towards the tube; of course, the housing and the plate 3 could be reversed axially, the plate 3 being placed at the end and the open front face of the box facing outwards, in which case it is the bottom of the housing which supports the end of the tube 4.

La console 2 et la plaque 3 définissent un espace de faible encombrement axial désigné ci-après par espace technique. Plus précisément, les faces externes des consoles 2 placées à chaque extrémité du volet roulant définissent l'encombrement axial du volet roulant, lequel correspond à la largeur de l'ouverture de la maçonnerie qui reçoit le volet roulant.Console 2 and plate 3 define a small space axial size designated below by technical space. More precisely, the external faces of the consoles 2 placed at each end of the roller shutter define the axial dimensions of the roller shutter, which corresponds to the width of the opening of the masonry which receives the shutter.

Les extrémités axiales des lames du tablier 6 sont maintenues transversalement et guidées par une coulisse 8 dont l'entrée est associée à une tulipe de guidage 7 qui coopère ici avec un bras de positionnement 19, ici solidaire de la console 2, raccordé à la coulisse 8 ; bien entendu, le bras de positionnement 19 peut être indépendant de la console 2 à laquelle il est solidarisé par tout moyen approprié. The axial ends of the blades of the deck 6 are maintained transversely and guided by a slide 8 whose entry is associated with a guide tulip 7 which cooperates here with a positioning arm 19, here secured to the console 2, connected to the slide 8; of course, the arm of positioning 19 can be independent of the console 2 to which it is secured by any appropriate means.

Ainsi, l'espace technique ci-dessus, hors du champ du tablier rotatif, est défini axialement pratiquement par la paroi latérale de la maçonnerie et le fond de la coulisse 8 en U recevant les extrémités des lames du tablier 6 ; transversalement, l'espace technique correspond globalement à la section transversale du coffre 1, correspondant pratiquement au ballot de tablier mis en oeuvre lorsqu'il est enroulé ; c'est dans l'espace technique qu'est placé le dispositif de transmission 10.Thus, the technical space above, outside the scope of the rotary platform, is defined axially practically by the side wall of the masonry and the bottom of the slide 8 in U receiving the ends of the blades of the deck 6; transversely, the technical area broadly corresponds to the section transverse of the trunk 1, practically corresponding to the bundle of deck in use when it is wound; it is in the technical space that the transmission device 10.

Le dispositif de transmission 10 tel que représenté sur la figure 1 est du type treuil : il comporte, comme cela est mieux visible sur la figure 2, d'une part, un pignon 11 dit central ayant un moyeu 12 raccordé au tube 4 par des liaisons du type mâle-femelle ; ici, le moyeu 12 présente un logement 13 de section carrée, s'étendant selon son axe, et constituant la sortie du dispositif de transmission 10 adaptée à être solidarisée en rotation avec l'adaptateur 5 par l'intermédiaire d'un élément de liaison 14 de section carrée correspondante, traversant le logement 13 et un logement équivalent prévu dans l'adaptateur 5 ; disposée tangentiellement par rapport au pignon central 11, une vis sans fin 15 engrène avec celui-ci ; la vis sans fin 15 est percée d'un alésage 16 de section carrée destiné à recevoir une tringle 17 de section correspondante manoeuvrable en rotation manuellement grâce à une manivelle 9.The transmission device 10 as shown in FIG. 1 is of the winch type: it comprises, as is better visible in FIG. 2, on the one hand, a pinion 11 said central having a hub 12 connected to the tube 4 by male-female type connections; here, the hub 12 has a housing 13 of square section, extending along its axis, and constituting the outlet of the transmission device 10 adapted to be secured in rotation with the adapter 5 via a connecting element 14 of square section corresponding, crossing the housing 13 and an equivalent housing provided in adapter 5; arranged tangentially to the central pinion 11, an endless screw 15 meshes therewith; the worm 15 is drilled a bore 16 of square section intended to receive a rod 17 of section corresponding maneuverable in rotation manually thanks to a crank 9.

Le pignon central 11 et la vis sans fin 15 sont logés dans un carter constitué ici de deux demi-boítiers 18 ; le dispositif de transmission 10 constitue un sous-ensemble de faible épaisseur logeable dans l'espace technique défini ci-dessus.The central pinion 11 and the worm 15 are housed in a casing here consisting of two half-housings 18; the transmission device 10 constitutes a subset of small thickness that can be accommodated in space technique defined above.

Le dispositif de transmission 10 qui a été décrit est du type treuil ; comme on le sait, dans ce même encombrement axial réduit de la console 2 peut être logé un dispositif de transmission différent tel qu'un dispositif à sangle, par exemple. Un tel encombrement axial réduit de la console 2, qui est en général inférieur à vingt quatre millimètres dans le cas d'une rénovation mais ne dépasse pas une trentaine de millimètres dans le cas d'une construction neuve, présente l'avantage de ne masquer qu'une très faible partie de l'ouverture, à laquelle le volet est associé, lorsque celui-ci est ouvert ; l'ensemble volet roulant peut ainsi en rénovation être monté notamment sur une ouverture existante, telle qu'une fenêtre par exemple, sans nécessité d'effectuer des travaux supplémentaires tels que de maçonnerie.The transmission device 10 which has been described is of the winch type; as we know, in this same reduced axial size of the console 2 can be housed a different transmission device such as a device to strap, for example. Such a reduced axial size of the console 2, which is generally less than twenty four millimeters in the case of a renovation but does not exceed thirty millimeters in the case of a new construction, has the advantage of only masking a very small part of the opening, with which the flap is associated, when the latter is open; the roller shutter assembly can thus be retrofitted especially on an existing opening, such as a window for example, without the need to perform additional work such as masonry.

Pour conserver l'avantage décrit ci-dessus, la commande électrique d'un tel volet roulant est obtenue en disposant à l'intérieur de l'axe octogonal ou tube 4 un moteur électrique dit tubulaire, de faible diamètre et de grande longueur, conçu spécifiquement pour cette application, d'un prix de revient élevé compte tenu de la puissance nécessaire ; de plus, le moteur électrique tubulaire est associé à un réducteur de vitesse du type à trains épicycloïdaux également logé dans le tube 4, à un frein pour contrebalancer le poids propre du tablier dans toutes ses positions, à un condensateur pour le démarrage du moteur, et à un dispositif de fin de course pour assurer les limites haute et basse du tablier lors de son enroulement et de son déroulement ; tous ces composants - réducteur, frein, condensateur et dispositif de fin de course - sont, de par leur nécessaire miniaturisation, d'un coût élevé.To maintain the advantage described above, the electric control such a rolling shutter is obtained by placing inside the octagonal axis or tube 4 a so-called tubular electric motor, of small diameter and large length, designed specifically for this application, of a cost price high considering the power required; in addition, the electric motor tubular is associated with a speed reducer of the planetary gear type also housed in tube 4, with a brake to counterbalance the dead weight of the deck in all its positions, to a capacitor for starting the motor, and a limit switch to ensure the upper limits and low of the apron during its winding and unwinding; all these components - reducer, brake, capacitor and limit switch - are, by their necessary miniaturization, of a high cost.

Par ailleurs, dans un volet roulant à commande électrique du type ci-dessus, il est d'usage de conserver un dispositif de transmission tel que le dispositif 10 pour une commande de secours du volet en cas de panne électrique.Furthermore, in an electrically controlled shutter of the above type, it is customary to keep a transmission device such as the device 10 for an emergency control of the shutter in the event of a breakdown electric.

Le document CH-A-435 659 décrit un volet roulant à commande électrique comportant un tablier, un tube et un dispositif de démultiplication, le tablier s'enroulant, et se déroulant, autour d'un tube lorsque celui-ci est entraíné en rotation dans un sens, ou dans l'autre, par un dispositif de démultiplication comportant, d'une part, un pignon dit central ayant un moyeu adapté à être solidarisé en rotation audit tube et, d'autre part, un pignon dit menant pour l'entraínement en rotation du pignon central, le pignon menant ayant un moyeu adapté à être solidarisé en rotation à l'arbre moteur d'un moteur électrique. Dans ce document, il n'est pas prévu de console en forme de boítier fermée par une plaque pour supporter le tube à ses extrémités. Par ailleurs, le dispositif de démultiplication comprend deux trains, un train réducteur grande vitesse à six pignons ou roues dentées et un train réducteur petite vitesse ayant une vis sans fin coopérant avec une roue dentée ; le train réducteur grande vitesse est monté sur un moteur du type universel à courant alternatif, équipé d'un régulateur de vitesse ; bien qu'il soit dit dans ce document que le treuil ainsi constitué est d'un faible encombrement tant transversalement qu'axialement, par rapport à l'axe du volet roulant, cet encombrement, notamment axial, est manifestement pas assez faible pour que, même le dispositif de démultiplication seul, puisse prendre place dans un espace tel que l'espace technique défini ci-dessus. De plus, le dispositif de démultiplication est compliqué, donc onéreux.The document CH-A-435 659 describes a rolling shutter with control electric comprising an apron, a tube and a reduction device, the apron winding, and unwinding, around a tube when it is rotated in one direction, or the other, by a reduction device comprising, on the one hand, a so-called central pinion having a hub adapted to be secured in rotation to said tube and, on the other part, a pinion said leading for the rotation drive of the central pinion, the driving pinion having a hub adapted to be secured in rotation to the shaft motor of an electric motor. In this document, it is not intended to console-shaped console closed by a plate to support the tube its ends. In addition, the reduction device includes two trains, a high speed reduction gear with six pinions or cogwheels and a low speed reduction gear having a worm screw cooperating with a wheel toothed; the high speed reduction gear is mounted on a motor of the type universal alternating current, equipped with cruise control; even though he be said in this document that the winch thus constituted is of a weak dimensions both transversely and axially, relative to the axis of the roller shutter, this space, especially axial, is clearly not weak enough that even the reduction system alone can take place in a space such as the technical space defined above. Of more, the reduction device is complicated, therefore expensive.

La présente invention a pour but de proposer un volet roulant à commande électrique dans lequel la commande électrique du volet est obtenue à des conditions financières inférieures à celles connues jusqu'ici, les avantages ci-dessus étant conservés.The object of the present invention is to propose a rolling shutter to electric control in which the electric control of the shutter is obtained under financial conditions lower than those known so far, the above benefits being retained.

Pour ce faire, l'invention met à profit l'espace technique, disponible dans un volet roulant, pour y loger un dispositif de démultiplication permettant d'assurer la commande électrique du tablier du volet à moindre coût.To do this, the invention takes advantage of the technical space available in a rolling shutter, to house a gear reduction device enabling electrical control of the shutter curtain to be reduced cost.

Le volet roulant, selon le préambule de la revendication 1 comporte à chacune de ses extrémités une console en forme de boítier fermée par une plaque, chaque console ou chaque plaque étant adaptée à supporter à rotation les extrémités du tube, une console et sa plaque définissant un espace de faible encombrement axial, dit espace technique, les pignons central et menant dudit dispositif de demultiplication étant logés et montés tournant dans un boítier lui-même logé dans ledit espace technique.The roller shutter, according to the preamble of claim 1 has each from its ends a console in the form of a case closed by a plate, each console or each plate being adapted to rotationally support the ends of the tube, a console and its plate defining a small space axial size, called technical space, the central and leading gears of said gear reduction device being housed and mounted rotating in a housing itself housed in said technical space.

De préférence, le pignon central engrène directement avec le pignon menant ; selon une autre forme de réalisation, le pignon menant est adapté à entraíner le pignon central via une chaíne cinématique comportant au moins un pignon intermédiaire.Preferably, the central pinion meshes directly with the pinion leading; according to another embodiment, the driving pinion is adapted to drive the central pinion via a kinematic chain comprising at least an intermediate gear.

Avantageusement, le pignon central et le pignon menant sont des pignons cylindriques à dentures droites ou hélicoïdales, leurs axes étant parallèles.Advantageously, the central pinion and the driving pinion are cylindrical pinions with straight or helical teeth, their axes being parallel.

En variante, le pignon central et le pignon menant sont des pignons coniques et leurs axes sont perpendiculaires, ou parallèles.As a variant, the central pinion and the driving pinion are pinions conical and their axes are perpendicular, or parallel.

De préférence, pour sa solidarisation en rotation avec le tube, le pignon central présente un logement ou embout de section non circulaire s'étendant selon son axe.Preferably, for its connection in rotation with the tube, the pinion central has a housing or end piece of non-circular section extending along its axis.

Avantageusement, pour sa solidarisation en rotation avec l'arbre moteur, le pignon menant présente un logement ou embout de section non circulaire s'étendant selon son axe.Advantageously, for its connection in rotation with the shaft motor, the driving pinion has a housing or end piece not circular extending along its axis.

Avantageusement, le dispositif de transmission comporte en outre un moyen d'entraínement du pignon central susceptible d'être actionné manuellement ; le moyen d'entraínement est un pignon engrenant avec le pignon central ; le moyen d'entraínement est une vis sans fin engrenant avec le pignon central.Advantageously, the transmission device further comprises a means for driving the central pinion capable of being actuated manually; the drive means is a pinion meshing with the central gable; the drive is a worm gear meshing with the central pinion.

De préférence, l'un au moins des pignons central, menant et intermédiaire est un pignon étagé.Preferably, at least one of the central gables, leading and intermediate is a stepped gable.

Avantageusement, le dispositif de transmission comporte un boítier supportant les pignons ; le boítier supporte également le moyen d'entraínement.Advantageously, the transmission device comprises a housing supporting the gables; the case also supports the medium drive.

De préférence, le volet roulant comporte un coffre dans lequel est logé le tube et qui supporte chaque console ou chaque plaque. Preferably, the roller shutter comprises a box in which is housed the tube and which supports each console or each plate.

Pour mieux faire comprendre l'objet de l'invention, on va en décrire maintenant, à titre d'exemple, purement illustratif et non limitatif, un mode de réalisation représenté sur les dessins annexés.To better understand the object of the invention, we will describe now, by way of example, purely illustrative and not limiting, a mode of realization shown in the accompanying drawings.

Sur ces dessins :

  • la figure 1 est une vue partielle en perspective éclatée d'un ensemble volet roulant de l'état de la technique ;
  • la figure 2 est une vue à plus grande échelle montrant l'intérieur du dispositif de transmission de l'ensemble de la figure 1 ;
  • la figure 3 est une vue partielle en perspective éclatée d'un ensemble volet roulant comportant un dispositif de démultiplication selon l'invention ;
  • la figure 4 est une vue en plan du dispositif de démultiplication de l'ensemble de la figure 3 ;
  • la figure 5 est une vue en coupe selon V-V de la figure 4 ;
  • la figure 6 est une vue en plan montrant une variante du dispositif des figures 4 et 5 ;
  • les figures 7 et 8 représentent une autre variante de dispositif de démultiplication selon l'invention, la figure 7 étant une vue en plan et la figure 8 une coupe selon VIII-VIII de la figure 7 ;
  • la figure 9 est analogue à la figure 7 et correspond à une variante ;
  • la figure 10 montre en coupe une variante du dispositif de démultiplication selon l'invention ;
  • la figure 11 est analogue à la figure 10 et correspond à une variante ;
  • la figure 12 est analogue à la figure 7 et correspond à une autre variante ;
  • la figure 13 est une coupe selon XIII-XIII de la figure 12.
In these drawings:
  • Figure 1 is a partial exploded perspective view of a rolling shutter assembly of the prior art;
  • Figure 2 is an enlarged view showing the interior of the transmission device of the assembly of Figure 1;
  • Figure 3 is a partial exploded perspective view of a roller shutter assembly comprising a reduction device according to the invention;
  • Figure 4 is a plan view of the reduction device of the assembly of Figure 3;
  • Figure 5 is a sectional view along VV of Figure 4;
  • Figure 6 is a plan view showing a variant of the device of Figures 4 and 5;
  • Figures 7 and 8 show another variant of the reduction device according to the invention, Figure 7 being a plan view and Figure 8 a section along VIII-VIII of Figure 7;
  • Figure 9 is similar to Figure 7 and corresponds to a variant;
  • Figure 10 shows in section a variant of the reduction device according to the invention;
  • Figure 11 is similar to Figure 10 and corresponds to a variant;
  • Figure 12 is similar to Figure 7 and corresponds to another variant;
  • FIG. 13 is a section along XIII-XIII of FIG. 12.

En se reportant à la figure 3, on retrouve une console 2 d'extrémité, en forme de boítier, et sa plaque 3 destinée à la fermer, la console 2 et la plaque 3 étant supportées par un coffre non représenté, lorsque le coffre est un élément rapporté, comme représenté en traits mixtes sur la figure 1 ; bien entendu, le coffre destiné à recevoir le volet roulant peut être constitué, au moins partiellement, par les parois internes d'un logement en maçonnerie, auquel cas la console 2 est fixée sur les parois d'extrémité dudit logement.Referring to Figure 3, there is an end console 2, in form of housing, and its plate 3 intended to close it, the console 2 and the plate 3 being supported by a trunk not shown, when the trunk is a insert, as shown in phantom in Figure 1; well understood, the trunk intended to receive the rolling shutter can be constituted, at at least partially, by the internal walls of a masonry housing, in which case the console 2 is fixed to the end walls of said housing.

Ici, est adapté à prendre place dans la console 2 un dispositif de démultiplication 20 suivant l'invention.Here, is adapted to take place in the console 2 a device for reduction 20 according to the invention.

Mieux visible sur les figures 4 et 5, le dispositif de démultiplication 20 comporte un pignon dit central 21 dont le moyeu 22 est adapté à être solidarisé en rotation au tube autour duquel s'enroule et se déroule le volet roulant par l'intermédiaire d'un adaptateur de liaison, tel que l'adaptateur 5 de la figure 1 ; pour ce faire, le moyeu 22 est ici traversé axialement par un passage ou logement 23 de section carrée ; l'adaptateur 5 présente également axialement un tel logement et les deux logements, celui du moyeu 22 et celui de l'adaptateur, reçoivent une même tige 14 de section carrée correspondante qui constitue un élément de liaison en rotation. On aura compris qu'une telle liaison est un raccordement du type mâle-femelle et que d'autres solutions de ce type sont possibles : par exemple, le moyeu 22 peut porter un embout mâle adapté à coopérer avec un logement de l'adaptateur.Better visible in Figures 4 and 5, the reduction device 20 comprises a so-called central pinion 21, the hub 22 of which is adapted to be secured in rotation to the tube around which the flap is wound and unwound rolling through a link adapter, such as adapter 5 of Figure 1; to do this, the hub 22 is here axially crossed by a passage or housing 23 of square section; adapter 5 presents also axially such a housing and the two housings, that of the hub 22 and that of the adapter, receive the same rod 14 of square section corresponding which constitutes a rotating connecting element. We'll have understood that such a connection is a male-female type connection and that other solutions of this type are possible: for example, the hub 22 can wear a male end fitting adapted to cooperate with an adapter housing.

Avec le pignon central 21 engrène un pignon 24 dit menant adapté à être solidarisé en rotation à l'arbre moteur d'un moteur électrique, tel que le moteur M porté ici par la plaque 3. Ici, le moyeu 27 du pignon 24 est traversé axialement par un passage ou logement 28 de section carrée grâce auquel il peut être solidarisé en rotation à l'arbre du moteur M dont l'extrémité a une section correspondante.With the central pinion 21 meshes a pinion 24 said leading adapted to be secured in rotation to the motor shaft of an electric motor, such as the motor M carried here by the plate 3. Here, the hub 27 of the pinion 24 is traversed axially by a passage or housing 28 of square section through which it can be secured in rotation to the motor shaft M, the end of which has a corresponding section.

Les pignons central 21 et menant 24 sont logés et montés tournant dans un boítier 29, ici en deux parties. The central pinions 21 and leading 24 are housed and mounted to rotate in a housing 29, here in two parts.

Ainsi, comme on le voit, le dispositif de démultiplication 20 selon l'invention peut être placé dans l'espace technique en lieu et place du dispositif 10 des figures 1 et 2, et permet de réaliser une commande électrique du volet roulant en utilisant un moteur électrique M de conception classique, moins onéreux que celui qui est utilisé jusqu'ici. Le dispositif 20 a des dimensions adaptées à celles de l'espace technique : il est donc axialement de petite dimension et transversalement de grande dimension ; ceci permet de choisir les pignons central 21 et menant 24 de telle sorte que leur rapport de démultiplication soit grand.Thus, as can be seen, the reduction device 20 according to the invention can be placed in the technical space in place of the device 10 of FIGS. 1 and 2, and makes it possible to carry out a command electric shutter using an electric motor M design classic, less expensive than the one used so far. Device 20a dimensions adapted to those of the technical space: it is therefore axially small and transversely large; this makes it possible to choose the central pinions 21 and leading 24 so that their gear ratio is great.

Le moteur électrique M peut être un moteur à courant alternatif, alimenté sous une tension de 220 volts par exemple ; il peut être aussi du type à courant continu, alimenté sous une tension de 12 ou 24 volts par exemples, à partir d'un transformateur alternatif-continu branché sur le secteur, ou à partir d'un accumulateur ; un moteur électrique alimenté à partir d'une basse tension continue est, comme on le sait, avantageux sur le plan de la sécurité.The electric motor M can be an alternating current motor, supplied with a voltage of 220 volts for example; it can also be direct current type, supplied with a voltage of 12 or 24 volts per examples, from an AC-DC transformer connected to the sector, or from an accumulator; an electric motor powered from as a known low DC voltage is advantageous in terms of of security.

Par ailleurs, il est aisé, dans ces conditions, de prévoir des moyens de fin de course pour assurer, en fin d'enroulement ou en fin de déroulement du tablier, sa position adéquate : de tels moyens, comme par exemple des moyens de disjonction thermiques, sont peu onéreux et peu encombrants.In addition, it is easy, under these conditions, to provide means of limit switch to ensure, at the end of the winding or at the end of the apron, its proper position: such means, as for example thermal disjunction means are inexpensive and space-saving.

On peut choisir le rapport de démultiplication entre les pignons 21 et 24 en sorte que celle-ci soit irréversible : dès lors, le volet est stable quelle que soit sa position et un frein n'est pas nécessaire ; pour certaines applications, si un frein est nécessaire, il sera simple et peu encombrant, grâce à la grande démultiplication du dispositif et constitué par exemple d'une simple rondelle de frottement appliquée, par une faible charge élastique, contre le pignon central 21.You can choose the gear ratio between the pinions 21 and 24 so that it is irreversible: therefore, the flap is stable whatever that either its position and a brake is not necessary; for some applications, if a brake is necessary, it will be simple and space-saving, thanks to the great multiplication of the device and consisting for example of a simple friction washer applied, by a low elastic load, against the central pinion 21.

Sur les figures 4 et 5, les pignons 21 et 24 sont représentés en tant qu'engrenages cylindriques droits ; en variante, ce sont des engrenages cylindriques hélicoïdaux. In Figures 4 and 5, the pinions 21 and 24 are shown as that spur gears; alternatively, these are gears cylindrical helical.

Lorsque les pignons 21 et 24 sont des engrenages cylindriques hélicoïdaux, il est possible, si nécessaire, d'adjoindre un moyen de secours d'entraínement du pignon central 21 susceptible d'être actionné manuellement ; selon la figure 6, un tel moyen d'entraínement est une vis sans fin 25 percée d'un alésage 26 de section carrée adapté à recevoir une tringle de manoeuvre, telle que la tringle 17 de la figure 1.When the pinions 21 and 24 are cylindrical gears helical, it is possible, if necessary, to add a backup means for driving the central pinion 21 capable of being actuated manually; according to Figure 6, such a drive means is a screw endless 25 drilling a bore 26 of square section adapted to receive a operating rod, such as rod 17 in FIG. 1.

Selon la variante des figures 7 et 8, les pignons sont des engrenages coniques, leurs axes étant perpendiculaires ; le dispositif 30 qui y est représenté comporte un pignon central 31 dont le moyeu 32 présente un logement axial 33 à section carrée, et un pignon menant 34 dont le moyeu 37 présente un logement 38, également de section carrée pour entraínement par un moteur électrique M dont l'arbre s'étend ici radialement par rapport au boítier 39 dans lequel sont logés et montés tournant les pignons central 31 et menant 34.According to the variant of Figures 7 and 8, the pinions are gears conical, their axes being perpendicular; the device 30 therein shown has a central pinion 31 whose hub 32 has a axial housing 33 with square section, and a driving pinion 34 including the hub 37 has a housing 38, also of square section for training by an electric motor M whose shaft here extends radially relative to the housing 39 in which are housed and mounted rotating the central pinions 31 and leading 34.

Le dispositif 30 peut, comme le montre la figure 9, comporter un moyen d'entraínement pour commande manuelle, ici un pignon conique 35 à logement 36.The device 30 can, as shown in FIG. 9, include a drive means for manual control, here a bevel gear 35 to housing 36.

Selon la variante de la figure 10, le dispositif de démultiplication 40 comporte, à l'intérieur d'un boítier 49, un pignon central 41 et un pignon menant 44, ces deux pignons ayant leurs axes parallèles et des moyeux 42 et 47, respectivement, qui comportent des logements de section carrée 43 et 48, respectivement.According to the variant of Figure 10, the reduction device 40 comprises, inside a housing 49, a central pinion 41 and a pinion leading 44, these two pinions having their parallel axes and hubs 42 and 47, respectively, which have housings of square section 43 and 48, respectively.

Un tel dispositif 40 peut également, comme le montre la figure 11, comporter un moyen d'entraínement pour commande manuelle, ici un pignon conique 45, à logement 46, dont l'axe s'étend perpendiculairement aux axes des pignons 41 et 44.Such a device 40 can also, as shown in FIG. 11, include a drive means for manual control, here a pinion conical 45, with housing 46, the axis of which extends perpendicular to the axes pinions 41 and 44.

Les figures 12 et 13 montrent une autre variante de dispositif de démultiplication pour un volet roulant selon l'invention ; sur ces figures, on voit que le dispositif de démultiplication 50 présente, comme dans les variantes précédentes, d'une part, un pignon central 51 ayant un moyeu 52 adapté à être solidarisé en rotation au tube 4, ici grâce à un logement 53 de section carrée, et, d'autre part, un pignon menant 54 ayant un moyeu 57 adapté à être solidarisé en rotation à l'arbre moteur du moteur électrique M, ici grâce à un logement 58 également de section carrée.Figures 12 and 13 show another variant of the reduction for a rolling shutter according to the invention; in these figures, we sees that the reduction device 50 has, as in the previous variants, on the one hand, a central pinion 51 having a hub 52 adapted to be secured in rotation to the tube 4, here thanks to a housing 53 of square section, and, on the other hand, a driving pinion 54 having a hub 57 adapted to be secured in rotation to the motor shaft of the electric motor M, here thanks to a housing 58 also of square section.

Comme cela est visible sur les figures, ici le pignon menant 54 n'engrène pas directement avec le pignon central 51 : le pignon menant 54 est adapté à entraíner le pignon central 51 via une chaíne cinématique constituée ici d'un pignon intermédiaire 63 ; selon la forme représentée, le pignon intermédiaire 63 est un pignon étagé dont un premier étage, l'étage 61, engrène avec le pignon menant 54 et dont le second étage, l'étage 62, engrène avec le pignon central 51, le premier étage 61 étant d'un diamètre plus grand que celui du second étage 62.As can be seen in the figures, here the pinion driving 54 does not mesh directly with the central pinion 51: the driving pinion 54 is adapted to drive the central pinion 51 via a kinematic chain here consisting of an intermediate pinion 63; according to the form represented, the intermediate pinion 63 is a stepped pinion of which a first stage, the stage 61, meshes with the driving pinion 54 and whose second stage, stage 62, meshes with the central pinion 51, the first stage 61 being of a diameter larger than that of the second floor 62.

Bien entendu, la chaíne cinématique reliant les pignons menant 54 et central 51 peut être variée et constituée de deux, trois, quatre pignons intermédiaires, voir plus. Il est possible également de réaliser le pignon menant et/ou le pignon central sous forme d'un pignon étagé ; tout ceci dépend du rapport de démultiplication souhaité, qui dépend lui-même des applications.Of course, the kinematic chain connecting the pinions leading 54 and central 51 can be varied and made up of two, three, four pinions intermediaries, see more. It is also possible to make the pinion leading and / or the central pinion in the form of a stepped pinion; all this depends on the desired gear ratio, which itself depends on the applications.

Claims (14)

  1. Electric rolling shutter composed by a shutter (6), a tube (4) and a reduction device (20,30,40,50), being rolled up and down around a tube (4) when it is moved in rotation in a direction or in another one, by a reduction device (20,30,40,50), which is composed , at one side by a pinion, said central (21,31,41,51), having a hub (22,32,42,52) adapted to being solidarized in rotation to the a.m. tube (4), on the other side a pinion (24,34,44,54) said driving pinion for moving in rotation the central pinion (21,31,41,51), the driving pinion (24,34,44,54) having a hub (27,37,47,57) adapted to being solidarized in rotation to the drive shaft of an electric motor (M), characterised by the fact that the rolling shutter on each side has an end cap (2) in shape of a case closed by a plate (3) each end cap (2) or each plate(3) being adapted to support rotating the extremities of the tube (4), an end cap (2) and its plate (3) defining a small space of axial compactness, said technical space, the central pinions (21,31,41,51) and driving pinion (24,34,44,54) of the a.m. device of reduction (20,30,40,50) being placed and assembled turning in a case (29,39,49,59) itself placed in the a.m. technical space.
  2. Rolling shutter according to claim, caracterized by the fact that the central pinion (21,31,41) powering directly driving pinion (24,34, 44)
  3. Rolling shutter according to claim, caracterized by the fact that the driving pinion (54) is adapted to entrained the central pinion (51) through a kinematics chain wich include at least an intermediate pinion (63).
  4. Rolling shutter according to one of claims 1 to 3 defined by the fact that the central pinion (21) and the driving pinion (24) are cylindrical pinions with helical or right teeth , axle being parallel.
  5. Rolling shutter according to one of claims 1 to 3 defined by the fact that the central pinion (31) and the driving pinion (34) are bevel gears and their perpendicular axle.
  6. Rolling shutter according to one of claims 1 to 3, characterised by the fact that the central pinion (41) and the driving pinion (44) are bevel gears and their axle are parallel.
  7. Rolling shutter according to one of claims 1 to 6, characterised by fact that in order to offer unity to the system during its rotation with the reel, the central pinion (21,31,41 51) presenting a housing (23,33,43,53) or a noncircular-section cap which could be extended according to its axle..
  8. Rolling shutter according to one of claims 1 to 7, characterised by the fact that its consolidation in rotation with the motor axle, the driving pinion (24, 10 34,44,54) presents a housing (28,38,48,58) or end of noncircular section extending according to ist axle.
  9. Rolling shutter according to one of claims 1 to 8, characterized, by the fact that is using an additional operating device that could also be operated, using the central pinion , (25,35,45) manually (21,31,41).
  10. Rolling shutter according to claim 9, characterized by the fact that the drive system (35,45) is a pinion geared by the central wheel (31,41).
  11. Rolling shutter according to claim 9, characterized by the fact that the Drive system (25) is an endless screw geared by the central pinion (21).
  12. Rolling shutter according to one of claims 3 to 11 characterized, by the fact that at least one of the powered wheel (21,31,41,51), central (24,34,44, 54) or intermediate (63) is a staged pinion (61-62).
  13. Rolling shutter according to one of claims 1 to 12, characterized by the fact that is requested a case (29,39,49,59) supporting the pinions
  14. Rolling shutter according to one of claims 1 to 13, characterized by the fact that it comprises a box (1) in which is placed a tube (4); this tube is supported by two lateral caps (2) and 2 plate (3).
EP19970402565 1996-10-31 1997-10-29 Roller shutter with electrical drive and a reduction gearing device for such a shutter Expired - Lifetime EP0839988B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR9613309A FR2755176A1 (en) 1996-10-31 1996-10-31 Electrically-operated roller blind
FR9613309 1996-10-31
FR9614365 1996-11-25
FR9614365A FR2755177B1 (en) 1996-10-31 1996-11-25 ELECTRICALLY CONTROLLED ROLLING SHUTTER AND DEMULTIPLICATION DEVICE FOR SUCH A SHUTTER

Publications (2)

Publication Number Publication Date
EP0839988A1 EP0839988A1 (en) 1998-05-06
EP0839988B1 true EP0839988B1 (en) 2003-07-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970402565 Expired - Lifetime EP0839988B1 (en) 1996-10-31 1997-10-29 Roller shutter with electrical drive and a reduction gearing device for such a shutter

Country Status (4)

Country Link
EP (1) EP0839988B1 (en)
DE (1) DE69723645T2 (en)
ES (1) ES2207712T3 (en)
FR (1) FR2755177B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006032535A1 (en) * 2006-07-12 2008-01-17 Provita Gmbh Drive assembly for sun protection devices, such as shutters, awnings and the like

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1439137A (en) * 1965-04-05 1966-05-20 Electric winch, in particular for operating roller shutters, blinds or the like
ES2024180A6 (en) * 1990-04-18 1992-02-16 Villaplana Coloma Juan Jose Slatted roller blind winding device - uses 12 volt DC motor acting as DC generator to provide electromagnetic braking

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Publication number Publication date
DE69723645T2 (en) 2004-04-15
ES2207712T3 (en) 2004-06-01
EP0839988A1 (en) 1998-05-06
FR2755177A1 (en) 1998-04-30
FR2755177B1 (en) 1999-09-03
DE69723645D1 (en) 2003-08-28

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