EP1637693B1 - Vorrichtung zum Antrieb einer Wickelwelle eines Rolladens - Google Patents

Vorrichtung zum Antrieb einer Wickelwelle eines Rolladens Download PDF

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Publication number
EP1637693B1
EP1637693B1 EP05300753A EP05300753A EP1637693B1 EP 1637693 B1 EP1637693 B1 EP 1637693B1 EP 05300753 A EP05300753 A EP 05300753A EP 05300753 A EP05300753 A EP 05300753A EP 1637693 B1 EP1637693 B1 EP 1637693B1
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EP
European Patent Office
Prior art keywords
apron
driving
winding
pulley
tube
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Application number
EP05300753A
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English (en)
French (fr)
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EP1637693A1 (de
Inventor
Louis Ferreira
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.)
Bubendorff SA
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Bubendorff SA
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Publication date
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Publication of EP1637693A1 publication Critical patent/EP1637693A1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary
    • E06B9/08—Roll-type closures
    • E06B9/11—Roller shutters
    • E06B9/17—Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings

Definitions

  • the invention relates to a drive device for rolling shutter apron comprising, on the one hand, a winding tube around which is designed able to come winding said apron in the folded position and an unwinding axis including for the control of displacement of said apron and, secondly, at least one motor for driving in rotation of the unwinding shaft, as well as transmission means connecting it to the winding tube designed in such a way as to drive the latter according to a variable transmission ratio.
  • the present invention will find application in the field of building closure systems. It will find a particular interest in the field of roller shutters whose apron is intended to be deployed in an inclined or even flat, such as shutters for windows of roofs, verandas or similar.
  • a roller shutter comprises, in a usual manner, an apron composed of a juxtaposition of blades at least hinged together capable of being deployed from a winding tube, knowing that slides provide lateral guidance of this deck to ensure its deployment in front of a door, window or the like.
  • a drive mechanism acts on the winding tube to, depending on the direction of rotation communicated to the latter, control the deployment or folding of the deck.
  • the direction of rotation communicated to the winding tube has the effect of exerting traction on the deck which largely compensate for the friction forces of the latter. particularly in the lateral guidance of the slides in the wings.
  • US-A-0 541 696 discloses a driving device according to the preamble of claim 1.
  • the apron deploys, usually, under the effect of its own weight during the unwind command. If in a vertical position, the weight of the blades is sufficient to compensate for the friction forces to which reference has been made above, at the slightest inclination imparted to this roller shutter, these friction forces increase considerably and it is no longer possible. to ensure the deployment of the deck by gravity. In sum, in this case, it is advisable to push the apron behind the scenes.
  • a first solution consisted in conferring a driving function, as the case may be, on the unwinding shaft or the winding tube, this as a function of the direction of movement to be communicated to the deck.
  • the unwinding axis is driven, motorized or manual, whereas the rotation imparted to the winding tube through the deployment of the deck results in the tensioning of a spring of torsion.
  • this spring causes, in turn, the winding tube. Note that, if for this lift of the deck is acting on the manual or motorized means controlling the rotation of the unwinding shaft, this action has the sole function of releasing that of the spring for the drive of the winding tube.
  • a torsion spring is connected at one end to the winding tube, while the opposite end of this torsion spring is integral with a drive shaft connected by transmission means to the unwinding shaft.
  • the torsion spring can store a compressive force such that, at the moment of release, the roller shutter, in particular the apron, can be damaged.
  • the present invention attempts to address the problems of these known solutions.
  • the drive device makes it possible to preserve a mechanical transmission, whether manual or motorized, between the unwinding shaft and the winding tube, through a suitable gearbox. to provide a variable speed.
  • This gearbox is designed in the manner of a differential comprising an input pulley, an output pulley and at least one intermediate transmission wheel with relative mobility with respect to said input pulley and / or the output pulley, thanks to elastic return means.
  • the gear unit of the epicyclic type whose input pulley is in the form of a ring gear, is engaged with planetary gears meshing with the axial output pulley, said planetary gears being mounted in rotation on an axially pivotable planetary support to which is fixed one end of a torsion spring forming said elastic return means and the other end is fixed.
  • the invention relates to a drive device for rolling shutter apron comprising, on the one hand, a winding tube around which is designed able to come winding said apron in the folded position and an unwinding axis for the control of deployment of this apron and, secondly, means for driving the unwinding axis in rotation, as well as transmission means connecting it to the winding tube designed in such a way as to drive the latter in accordance with a variable transmission ratio, characterized in that said transmission means comprise a geared designed adapted to retransmitting the winding tube a variable speed under the impetus of the rotary drive means acting on the unwinding axis.
  • the present invention is in the field of shutters 1, in particular those whose apron 2 is provided capable of being deployed in a flat position or more or less inclined, such as roller shutters 1 for roof window, porch or the like 3.
  • the apron 2 of such a roller shutter 1 is composed of a juxtaposition of blades 4 at least hinged together that can be deployed from a winding tube 5 knowing that the slides 6 provide the lateral guidance of the deck 2 to ensure its deployment in front of the window 3 or the like.
  • the invention relates more particularly to a device 7 for driving such an apron 2 shutter 1.
  • This drive device 7 comprises a winding tube 5 around which is designed able to come wind up said apron 2 in the folded position and an unwinding axis 8 for the deployment command of the latter.
  • Drive means 9 are provided for rotating the unwinding shaft 8 and transmission means 10, connecting the latter to the winding tube 5, are designed in such a way as to drive the latter in a variable transmission ratio. .
  • Said transmission means 10 comprise, advantageously, a gear 11 designed to retransmit the winding tube 5 a variable speed through the rotating drive means 9 acting on the unwinding shaft 8.
  • This gear 11 may be designed in the manner of a differential having an input pulley 12, an axial output pulley 13, which may be in the form of an output gear, and at least one intermediate transmission wheel 14. The latter is relatively mobile with respect to said input pulley 12 and / or the output pulley 13 by means of elastic return means 15.
  • the gear 11 is of the epicyclic type whose input pulley 12, which may be in the form of a ring gear 16, is engaged with planetary gears 17 constituting substantially the intermediate transmission wheel 14 and meshing with the pulley outlet 13 secured in rotation to the winding tube 5.
  • Said planetary gears 17 are rotatably mounted on a planetary support 19 pivoting axially. On the latter is fixed one of the ends 20 of a torsion spring 21 forming said elastic return means 15, knowing that the other end 22 of this spring 21 is secured to a fixed point 23.
  • the end 22 of said spring 21 is integral with said fixed point 23 through a torque limiter 24 avoiding undue strain on the spring 21 in torsion.
  • the fixed point 23 may be located on a support cheek 25 or on a flange serving as a housing for said drive device 7, as visible on the figures 2 and 4 .
  • the torque limiter 24 of the torsion of the spring 21 may be in the form of a ring gear 26 immobilized in rotation engaged with a toothing complementary shape of a ring 27 rotatable, knowing that at least one of these rings 26, 27 is still axially movable relative to the other ring, against the restoring force of elastic means.
  • the teeth of the rings 26, 27 are designed to allow sliding of the movable ring 27 relative to the fixed ring 26, the teeth of the teeth being preferably inclined.
  • the elastic return means they may be in the form of a conical spring washer 28, called Belleville. This washer 28 provides resistance to the axial displacement of a ring 27 relative to the other ring 26 which allows said torque limiter 24 declutching by disengaging beyond a certain resistant torque.
  • the end 22 of the torsion spring 21 is integral with a housing 29 provided in the movable ring 27 of said torque limiter 24.
  • Means 30 may be designed capable of adjusting the tension of the spring 21 in order to put the latter under stress during installation or in the context of post-sale interventions on the roller shutter 1. These adjustment means 30 are designed able to intervene on the angular position of the fixed ring 26, as visible on the figure 2 .
  • the unwinding shaft 8 drives the pulley 12 and thus the ring 16, for example by means of a belt transmission, as shown in FIG. Figures 2 to 4 or by suitable gears
  • the planet gears 17 rotate on the planetary support 19, in turn driving the output pulley 13 which actuates the winding tube 5.
  • the latter then rotates at the same speed as the unwinding axis 8.
  • the latter being rigid and maintained by the unwinding shaft 8, the relative speed of winding of the deck decreases and thus the angular speed of the output pulley 13.
  • This differential of speed is compensated by a relative rotation of the planetary support 19 by driving the spring 21 which is then subjected to torsional stress and the energy thus accumulated will be able to contribute to the deployment phase of the deck 2.
  • the device according to the invention makes it possible to rotate the winding tube 5 in the opposite direction as the unwinding axis 8, as can be seen from the illustrated embodiments.
  • the invention is not limited to such a particular embodiment. Indeed, if the input pulley 12, forming the ring 16, can be driven by belt through the unwinding axis 8, the transmission can still be envisaged by means of gears, solution not visible in the drawings, to obtain the desired direction of rotation and, in particular, that the winding tube 5 rotates in the same direction as the unwinding axis 8.
  • the first embodiment visible on the figures 2 and 3 , comprises its unwinding axis 8 and a winding tube 5 located on one side of the support cheek 25, while the transmission means 10 are located on the other side of said support cheek 25.
  • the winding tube 5 and the transmission means 10 are located on one and the same side of the support cheek 25. Moreover, said transmission means 10 are designed to be inserted partly in inside the winding tube 5.
  • the input pulley 12 may be in the form of a disc extended axially by the ring 16.
  • This ring 16 is designed to be inserted longitudinally inside the winding tube 5 and to to be free in rotation with respect to the latter once positioned inside.
  • the invention also relates to a shutter 1 for windows of roofs, verandas or the like, comprising an inclined deck 2 and a drive device 7 according to the invention.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Claims (5)

  1. Vorrichtung zum Antrieb (7) einer Decke (2) eines Rollladens (1), umfassend, einerseits, ein Wickelrohr (5), um welches herum die besagte Decke (2) geeignet vorgesehen ist, sich in aufgerollter Position aufzuwickeln, und eine Abwickelwelle (8) für die Steuerung der Entfaltung dieser Decke (2), und andererseits Mittel für den Drehantrieb (9) der Abwickelwelle (8) sowie Kraftübertragungsmittel (10), die diese letztere mit dem Wickelrohr (5) verbinden und derart geeignet vorgesehen sind, um dieses letztere nach einem veränderlichen Übersetzungsverhältnis anzutreiben, wobei die besagten Kraftübertragungsmittel (10) ein Untersetzungsgetriebe (11) umfassen, das geeignet vorgesehen ist, um auf die Wickelwelle (5) durch die Mittel für den Drehantrieb (9), die auf die Abwickelwelle (8) wirken, eine veränderliche Geschwindigkeit zu übertragen, dadurch gekennzeichnet, dass das Untersetzungsgetriebe (11) eine Eingangsscheibe (12), eine Ausgangsscheibe (13) und zumindest ein Zwischenübertragungszahnrad (14) umfasst, welches relativ zu der besagten Eingangsscheibe (12) und der Ausgangsscheibe (13) dank den federnden Rückstellmitteln (15) relativ beweglich ist, wobei das besagte Untersetzungsgetriebe (11) ein Planetengetriebe ist, dessen Eingangsscheibe (12), die die Form eines Antriebskranzes (16) aufweist, in Eingriff mit Planetenzahnrädern (17) steht, die dem Zwischenübertragungszahnrad (14) entsprechen, welches in die Ausgangsscheibe (13) eingreift, wobei die besagten Planetenzahnräder (17) drehbar auf einem axial schwenkenden Planetengetriebeträger (19) montiert sind, an welchem das eine Ende (20) einer Torsionsfeder (21) befestigt ist, die die besagten federnden Rückstellmittel (15) bildet und deren anderes Ende (22) unbeweglich ist.
  2. Antriebsvorrichtung (7) nach Anspruch 1, dadurch gekennzeichnet, dass das unbewegliche Ende (22) der besagten Torsionsfeder (21) mit einem Drehmomentbegrenzer (23) fest verbunden ist.
  3. Antriebsvorrichtung (7) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass sie Mittel (24) umfasst, die geeignet vorgesehen sind, um die Spannung der Feder (21) zu regeln.
  4. Antriebsvorrichtung (7) nach irgendeinem der vorgehenden Ansprüche, dadurch gekennzeichnet, dass die Kraftübertragungsmittel (10) geeignet vorgesehen sind, um teilweise in das Innere der Wickelwelle (5) eingefügt zu werden.
  5. Rollladen (1) für Dachfenster (3), Veranden oder dergleichen, umfassend eine Blende (2), die geeignet vorgesehen ist, um sich in einer planaren Position, ja sogar in einer mehr oder weniger geneigten Position zu entfalten, dadurch gekennzeichnet, dass er eine Antriebsvorrichtung (7) nach irgendeinem der vorgehenden Ansprüche umfasst.
EP05300753A 2004-09-21 2005-09-16 Vorrichtung zum Antrieb einer Wickelwelle eines Rolladens Active EP1637693B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0452120A FR2875531B1 (fr) 2004-09-21 2004-09-21 Dispositif d'entrainement pour tablier de volet roulant.

Publications (2)

Publication Number Publication Date
EP1637693A1 EP1637693A1 (de) 2006-03-22
EP1637693B1 true EP1637693B1 (de) 2012-04-04

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EP (1) EP1637693B1 (de)
ES (1) ES2384797T3 (de)
FR (1) FR2875531B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021146278A1 (en) * 2020-01-13 2021-07-22 Alpine Overhead Doors, Inc. Planetary gearbox system
TWI789313B (zh) * 2022-06-08 2023-01-01 安得富興業有限公司 小型捲簾動力輔助裝置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI583858B (zh) * 2015-01-20 2017-05-21 德侑股份有限公司 窗簾及其控制系統

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US541696A (en) * 1895-06-25 Flexible door
DE19914543A1 (de) * 1999-03-31 2000-10-05 Warema Renkhoff Gmbh & Co Kg Sonnenschutzanlage mit Ausgleichssystem

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2172327B (en) * 1985-03-12 1987-09-09 Bolton Brady Ltd Roller shutter
FR2614928B1 (fr) * 1987-05-06 1992-01-10 Bubendorff Richard Volet roulant pour porte, fenetre et autres ouvertures
CA2038862C (en) * 1991-03-22 1995-10-24 Douglas B. Taylor Compensating mechanism for variable speed roll-up door
FR2710685B1 (fr) * 1993-09-29 1995-12-22 Louis Plumer Dispositif d'entraînement et de mise sous tension d'un élément souple de protection, tel qu'une bande, un rideau ou un tablier.
FR2722183B1 (fr) * 1994-07-11 1996-09-13 Zurfluh Feller Sa Treuil debrayable a cordon
CZ296837B6 (cs) * 1996-10-31 2006-06-14 Vkr Holding A/S Roleta
FR2765618B1 (fr) * 1997-07-02 1999-08-27 Feller Zurfluh Treuil a cordon comportant un organe d'embrayage/debrayage destine a manoeuvrer l'arbre porte-tablier d'un volet roulant

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US541696A (en) * 1895-06-25 Flexible door
DE19914543A1 (de) * 1999-03-31 2000-10-05 Warema Renkhoff Gmbh & Co Kg Sonnenschutzanlage mit Ausgleichssystem

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021146278A1 (en) * 2020-01-13 2021-07-22 Alpine Overhead Doors, Inc. Planetary gearbox system
TWI789313B (zh) * 2022-06-08 2023-01-01 安得富興業有限公司 小型捲簾動力輔助裝置

Also Published As

Publication number Publication date
FR2875531A1 (fr) 2006-03-24
FR2875531B1 (fr) 2006-12-08
EP1637693A1 (de) 2006-03-22
ES2384797T3 (es) 2012-07-12

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