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EP1614851B1 - Système fin de course pour un dispositif d'entraînement d'un volet roulant - Google Patents

Système fin de course pour un dispositif d'entraînement d'un volet roulant Download PDF

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Publication number
EP1614851B1
EP1614851B1 EP20050425298 EP05425298A EP1614851B1 EP 1614851 B1 EP1614851 B1 EP 1614851B1 EP 20050425298 EP20050425298 EP 20050425298 EP 05425298 A EP05425298 A EP 05425298A EP 1614851 B1 EP1614851 B1 EP 1614851B1
Authority
EP
European Patent Office
Prior art keywords
cursor
stop means
turning
threaded bar
stroke
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP20050425298
Other languages
German (de)
English (en)
Other versions
EP1614851A3 (fr
EP1614851A2 (fr
Inventor
Giuseppe Bosio
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.)
RIB SRL
Original Assignee
RIB SRL
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 RIB SRL filed Critical RIB SRL
Publication of EP1614851A2 publication Critical patent/EP1614851A2/fr
Publication of EP1614851A3 publication Critical patent/EP1614851A3/fr
Application granted granted Critical
Publication of EP1614851B1 publication Critical patent/EP1614851B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
    • E06B9/88—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for limiting unrolling
    • 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
    • E06B2009/6809—Control
    • E06B2009/689—Control using end switches
    • 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

  • This invention concerns in general operators for automatic powering of rolling shutter or doors and refers in particular to an end of stroke device for these operators.
  • the operators for rolling shutters considered here comprise in particular a fixed support to be secured to the rolling shutter shaft, a roller pulley supported and turning on the fixed support and having an internal crown wheel, and an electric reduction gear motor group mounted on the fixed support an having an exit pinion gear meshing with the crown wheel to cause the rotation of the roller pulley both in one and the other direction.
  • the top end of the rolling shutter is fixed to the pulley so that the rotation of the latter in one direction corresponds to the opening operation and the other direction to the closing operation.
  • the extension of the opening and closing strokes of the rolling shutter can be changed and adjusted by means of an end of stroke device set to automatically stop the reduction gear motor as soon as the rolling shutter reaches either the open or closed position.
  • the end of stroke device is positioned on the fixed support and comprises two electric switches, one for opening and the other for closing, inserted in the electric circuit of the reduction gear motor group, and two cursors that move in line in response to the rotation of the roller pulley and each associated with a switch.
  • the cursors can be coupled to a turning threaded bar, the rotation of which is caused by the roller pulley.
  • each cursor is engaged by anti-rotation means so that it can move along the threaded bar, without turning, until it engages and commands its respective end of stroke switch, depending on the sense of rotation of the roller pulley and consequently the threaded bar.
  • An end of stroke device configured in this way is efficient and reliable when operating, but is not easy and practical to adjust when the opening or closing strokes on a rolling shutter require adjusting at the time of installation or maintenance.
  • To adjust the extent of the strokes it is necessary to operate on the anti-rotation means to free the cursors so as to be able to manually turn them "idling" and opportunely change their position along the threaded bar and in relation to the fixed position of the switches.
  • access and disengaging of the anti-rotation means are however difficult to carry out so the adjustment of the opening and closing strokes is awkward.
  • the object of this invention is, on the other hand, to remove these difficulties and at the same time to simplify and make adjustments of the opening and closing strokes of a rolling shutter powered by an operator with a roller pulley, easier.
  • each cursor is assembled and turning freely between two support flanges constrained to slide on linear guides parallel to the threaded bar, and is engaged by an anti-rotation means which is movable manually between a blocked position to prevent the cursor from turning and an unblocked position for free rotation, also by hand, of the cursor in regards to the threaded bar to which it is engaged, so as to position it, moving freely along the bar itself and in relation to a respective switch.
  • the operator for powering the rolling shutter comprises a fixed supporting body 11 to be secured to the shaft of a door, a roller pulley 12 supported and turning on a fixed support and provided with an internal crown wheel 13.
  • a reduction gear motor group 14 is mounted on the fixed supporting body 11 and has an exit pinion gear - not shown - which meshes with the crown wheel 13 to cause the rotation of the roller pulley in opposite directions.
  • the fixed supporting body 11 also holds an end of stroke device, globally designated by 15, designed to automatically stop the reduction gear motor group when the shutter reaches the open position in one direction and the closed position in the opposite one.
  • the end of stroke device 15 comprises -see also Figs.2-5 - two electric switches 16, 17, one for opening and one for closing, inserted in the electric circuit of the reduction gear motor 14, and two cursors 18, 19, one for each switch.
  • Each cursor 18, 19 is comprised of a cylindrical element which has an external toothing 22 and a threaded axial bore 22'. Also, each cursor is assembled and turning freely between two support flanges 20 retained and sliding on linear guides 21.
  • the two cursors 18, 19, thanks to their threading bore 22', are coupled to a threaded turning bar 23, placed parallel to the guides 21 and controlled in their rotation by a transmission that depends on the crown wheel 13 of the roller pulley 12.
  • Each of the cursors is associated with a stop means 24 to prevent it from rotating during the crossways movement caused by the threaded bar 23.
  • the stop means 24 for each cursor is hook shaped, attached to the supporting flanges 20 and having at least one terminal tooth 25 which radially engages with the external toothing 22 of the cursor itself simply to block the rotation thereof.
  • the stop means 24 can be moved like a lever and can be flexible or engaged by a spring so that it is normally in contact and engaged with the toothing of the respective cursor and able to be manually moved away from the cursor to enable free rotation of the latter.
  • the stop device 24 has a terminal grip tailpiece 26.
  • each cursor can be manually turned and, thus, moved along the threaded bar until placed in the position required, in that it are able to interact with the respective stop switch and set the strokes that the shutter will have to sustain when opening or closing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Switches With Compound Operations (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Metal Rolling (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Claims (4)

  1. Système fin de course pour dispositifs d'entrainement des volets roulants, comprenant deux interrupteurs électriques de fin de course, l'un pour l'ouverture et l'autre pour la fermeture, insérés dans un circuit électrique d'un groupe moto-réducteur qui commande une poulie (12) du rouleau, et deux curseurs (18, 19) chacun étant associé à un interrupteur (16) et couplé à la fois à une tige filetée (23) qui tourne en réponse à la rotation de ladite poulie du rouleau, de sorte que lesdits curseurs se déplacent le long de ladite tige filetée vers l'extrémité respective du interrupteur de fin de course, caractérisé en ce que chaque curseur (18, 19) est associé à, et tourne librement entre, deux brides de support (20) contraintes et coulissantes sur des guides linéaires (21) parallèles à la tige filetée, et en ce que chaque curseur est engagé par un moyen d'arrêt (24) qui est mobile manuellement entre une position verrouillée, pour empêcher le curseur de tourner lorsque ladite tige tourne, et une position non bloquée, à permettre la rotation folle et manuelle du curseur par rapport à la tige filetée avec laquelle il est couplé, afin de positionner chaque curseur le long de ladite tige filetée et en relation avec son commutateur respectif (16).
  2. Système fin de course selon la revendication 1, dans lequel chaque curseur (18, 19) présente une denture périphérique, et dans lequel chacun moyen d'arrêt (24) présente au moins une dent (25) engrenant avec ladite denture, ledit moyen d'arrêt étant flexible ou stressé par un ressort de manière à être normalement en contact et engrené avec la denture du curseur respectif.
  3. Système fin de course selon les revendications 1 et 2, dans lequel chacun des moyens d'arrêt (24) est fixé à les brides de support du curseur respectif (18, 19) et est mobile manuellement, comme un levier, à partir de la position de blocage à la position relâchée.
  4. Système fin de course selon la revendication 3, dans lequel chacun des moyens d'arrêt (24) présente un appendice terminal (26) de prise pour le déplacement manuel.
EP20050425298 2004-05-12 2005-05-04 Système fin de course pour un dispositif d'entraînement d'un volet roulant Expired - Lifetime EP1614851B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITBS20040024 ITBS20040024U1 (it) 2004-05-12 2004-05-12 Dispositivo di fine corsa per operatori per l'azionamento di serrande avvolgibili

Publications (3)

Publication Number Publication Date
EP1614851A2 EP1614851A2 (fr) 2006-01-11
EP1614851A3 EP1614851A3 (fr) 2011-09-21
EP1614851B1 true EP1614851B1 (fr) 2013-08-21

Family

ID=34943185

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050425298 Expired - Lifetime EP1614851B1 (fr) 2004-05-12 2005-05-04 Système fin de course pour un dispositif d'entraînement d'un volet roulant

Country Status (3)

Country Link
EP (1) EP1614851B1 (fr)
ES (1) ES2433042T3 (fr)
IT (1) ITBS20040024U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108649744B (zh) * 2018-06-28 2024-07-12 浙江瑞鹿机电科技有限公司 一种卷帘门外挂电机的行程机构

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2459776A2 (fr) * 1979-06-27 1981-01-16 Simu Soc Ind Metal Usine Dispositif de debrayage et de reglage instantane des fins de course d'un enrouleur automatique
FR2624194B1 (fr) * 1987-12-08 1994-02-11 Simu Sa Perfectionnement aux dispositifs de fin de course pour motoreducteurs de volets roulants
FR2858010B1 (fr) * 2003-07-24 2005-09-09 Simu Installation de fermeture ou de protection solaire comportant un ensemble de securite

Also Published As

Publication number Publication date
ES2433042T3 (es) 2013-12-09
EP1614851A3 (fr) 2011-09-21
ITBS20040024U1 (it) 2004-08-12
EP1614851A2 (fr) 2006-01-11

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