EP0221826A1 - Endschalter für die automatische Steuerung von Rollos, Rolläden und anderen Hebevorrichtungen mit drehender Wirbelwelle - Google Patents

Endschalter für die automatische Steuerung von Rollos, Rolläden und anderen Hebevorrichtungen mit drehender Wirbelwelle Download PDF

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Publication number
EP0221826A1
EP0221826A1 EP86420248A EP86420248A EP0221826A1 EP 0221826 A1 EP0221826 A1 EP 0221826A1 EP 86420248 A EP86420248 A EP 86420248A EP 86420248 A EP86420248 A EP 86420248A EP 0221826 A1 EP0221826 A1 EP 0221826A1
Authority
EP
European Patent Office
Prior art keywords
drum
nuts
angularly
nut
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.)
Granted
Application number
EP86420248A
Other languages
English (en)
French (fr)
Other versions
EP0221826B1 (de
Inventor
Claude Georges
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 EP0221826A1 publication Critical patent/EP0221826A1/de
Application granted granted Critical
Publication of EP0221826B1 publication Critical patent/EP0221826B1/de
Expired 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
    • E06B2009/6872—Control using counters to determine shutter position
    • E06B2009/6881—Mechanical counters

Definitions

  • the present invention relates to limit switch devices intended to equip blinds, roller shutters or other lifting devices with a view to ensuring, in combination with an electric switch with manual actuation, the automatic stopping of the rotating drum for the moving and unwinding of the movable member of said devices.
  • devices of this type include two threaded rods which are angularly linked to the rotating drum and on each of which is engaged a sliding nut, angularly immobilized so that the rotation of the aforementioned drum and the rods causes the longitudinal displacement of said nuts along them.
  • Each of these sliding nuts is associated with a stop which is actuated when the envisaged nut arrives at one of the ends of its alternating travel and which, by means of a push-button, acts on an electrical contactor inserted on the circuit. power supply to the drum drive motor so as to stop it.
  • Things are arranged so that the two sliding nuts move in opposite directions, so that with an adequate initial positioning of both of these two nuts, it can be obtained that the drum stops automatically when the movable member (canvas, apron or the like) of the controlled device arrives at either end of its travel.
  • the difficulty therefore lies in the initial adjustment of the device as a function of the total stroke of the movable member, it being observed that in almost all cases, the nuts are practically inaccessible, the device being most often housed inside the rotating drum.
  • the limit switches of the above-mentioned type been made to comprise two independent clutch release mechanisms, the operation of which by the installer makes it possible, on the one hand, to temporarily dissociate the threaded rod corresponding drum, on the other hand to act on the stop or the push associated with it in order to close the corresponding contactor.
  • a difficulty remains: in the event that he made a false maneuver during the initial adjustment or if he wishes to modify it thereafter, the operator ignores the exact positioning of the sliding nuts, so that the new adjustment requires a succession of particularly delicate maneuvers.
  • the present invention mainly intends to remedy, which essentially consists in associating with each of the two sliding nuts an unlocking mechanism capable of temporarily stopping the angular immobilization of the nut considered so that under the effect of elastic return means, the latter rotates relative to its threaded rod and thus returns until the end of its travel for which it bears against its stop.
  • each of the two unlocking mechanisms operates, in addition to the release of the nut associated therewith, the actuation of the electrical control switch, so that the drum drive motor can be supplied despite the fact that the nut is pressed against its stop.
  • each unlocking mechanism advantageously comprises a cage which is made angularly integral with the corresponding sliding nut while allowing the longitudinal displacement thereof.
  • This cage is angularly immobilized by a clamp placed under the dependence of an operating part with angular or axial movement, provided easily accessible as in the case of the declutching mechanism of conventional devices.
  • the end-of-travel device is mounted inside the rotating drum 1 which provides for the unwinding and unwinding of the fabric of a blind device.
  • This drum 1 is driven in rotation by an electric motor (not shown) which is itself enclosed by said drum and whose manual control in both directions of rotation is ensured by an inverter switch suitably connected to the supply circuit. electric of said motor, the limit switch device shown being intended to automatically cut the power to this motor when the fabric arrives at one or the other of the two ends of its race.
  • the device is entirely housed inside a tubular frame 2 which at one of its ends (on the left in fig. 1 and 2) is supported by a fixed bush 3, which contains a reducing mechanism whose entry is angularly linked to the drum 1.
  • the output shaft of this mechanism drives, in opposite directions, two pinions 4 wedged on threaded rods 5 and 6 oriented parallel to one another.
  • On each rod 5 and 6 is engaged a sliding nut 7 and it is understood that if it is assumed that each nut 7 is angularly retained, the rotation of the two rods in opposite directions causes the longitudinal displacement of said nuts themselves in opposite directions (an identical result would be obtained using two threaded rods rotating in the same direction but provided with opposite threads).
  • Each of the two nuts 7 cooperates, at one end of its longitudinal travel (on the left in FIGS. 1 and 2), with a stop 8 engaged in sliding action on a smooth part with smaller diameter of the corresponding rod 5, a return spring 9 being associated with said burée 8.
  • Each stop 8 is integral with a crank pin 8 a which is made integral, for example by means of a pin, with a plunger 10 oriented longitudinally, parallel to the two rods Threaded 5 and 6.
  • Each tappet 10 is associated, opposite the socket 3, with a tilting paddle 11 for actuating a microswitch 12 connected to the electrical supply of the drive motor so as to open the circuit thereof when the pallet 11 is not pushed back by the corresponding pusher 10.
  • each of the two sliding nuts 7 is ensured by a cage 13 of circular section.
  • the internal wall of each cage 13 comprises, over at least part of its length, a longitudinal notch 13 a in which is engaged a projection or lateral tooth of the nut 7 envisaged.
  • the cages 13 are immobilized angularly, it is understood that the cooperation of the aforementioned tooth and the slot 13 prohibits the nut 7 turn on itself while allowing it to move axially along the corresponding threaded rod 5 or 6.
  • each sliding nut 7 is associated with a spring 14 which is engaged on the rod considered between the nut 7 and the annular bottom of the cage 13 envisaged. This spring 14 is thus compressed when the nut 7 with which it is associated moves away from the bush 3 (displacement from left to right in FIG. 1).
  • each cage 13 The angular immobilization of each cage 13 is operated by a clamp mechanism comprising a helical spring 15 (fig. 3) which is wound on the thinned end of said cage turned towards the side of the micro-contacts 12.
  • a clamp mechanism comprising a helical spring 15 (fig. 3) which is wound on the thinned end of said cage turned towards the side of the micro-contacts 12.
  • One of the ends of each spring 15 is moored at a fixed point formed by a cylindrical flange 16 a secured to a transverse partition 16 of the tubular frame 2, while the opposite end is introduced into a notch 17 a made in an operating bar 17, oriented parallel to the pushers 10 and to the threaded rods 5 and 6.
  • each spring 15 on the end of the corresponding cage 13 well ensures the angular retention of the latter.
  • these turns deviate and angularly release the cage 13 which can then rotate on itself, the spring 15 thus playing the role of an unlocking mechanism for the nut 7 associated with it.
  • each bar 17 is equipped with a small operating lever 18, accessible from the outside of the drum 1 of the blind device.
  • the opposite end of each of these bars, supported by the partition 16, carries, beyond the latter, a sloping ring which cooperates with an inclined shoe integral with one or the other of the two pallets 11, so that the angular operation of each of the bars 17 simultaneously controls the spring 15 when unlocking and actuating the corresponding micro-contact 12.
  • the installer operates angularly one of the two levers 18, which has the effect of releasing the corresponding cage 13 and actuating the micro-contact 12 envisaged.
  • the electric motor of the blind device can be powered by the manual change-over switch in order to bring the fabric to the desired end of travel.
  • each lever 18 causes, not only the control of the corresponding micro-contact 12 by allowing the supply of the electric motor through the manual change-over switch, but also that of the clamp mechanism associated with the cage 13 envisaged.
  • the release of this cage 13 by opening the helical spring 15 operates the automatic return of the nut towards its stop 8 by rotation of said nut and of its cage 13 around the threaded rod 5 or 6; this return is ensured under the effect of the compressed spring 14 during the preceding stroke of the nut considered and it can occur as a result of the rapid pitch of the threading of the rods 5 and 6.
  • actuation of the contactors 11 can be carried out independently of resetting to 0 using the pushers 10, for example by means of an appropriate circuit.
EP19860420248 1985-10-09 1986-10-09 Endschalter für die automatische Steuerung von Rollos, Rolläden und anderen Hebevorrichtungen mit drehender Wirbelwelle Expired EP0221826B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8515160 1985-10-09
FR8515160A FR2588308B1 (fr) 1985-10-09 1985-10-09 Dispositif de fins de course pour la commande automatique des stores, volets roulants ou autres appareils de levage a tambour tournant

Publications (2)

Publication Number Publication Date
EP0221826A1 true EP0221826A1 (de) 1987-05-13
EP0221826B1 EP0221826B1 (de) 1989-03-08

Family

ID=9323776

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860420248 Expired EP0221826B1 (de) 1985-10-09 1986-10-09 Endschalter für die automatische Steuerung von Rollos, Rolläden und anderen Hebevorrichtungen mit drehender Wirbelwelle

Country Status (5)

Country Link
EP (1) EP0221826B1 (de)
JP (1) JPS62284880A (de)
DE (1) DE3662289D1 (de)
ES (1) ES2007307B3 (de)
FR (1) FR2588308B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0371170A1 (de) * 1988-11-30 1990-06-06 A.S.A. Motoriduttori S.N.C. Antriebsvorrichtung zur Betätigung von Jalousien, Rolläden, Stores und dergleichen
CN108798099A (zh) * 2018-07-10 2018-11-13 合肥市神雕起重机械有限公司 一种用于智能室外停车场的伸缩遮阳机构

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8888033B2 (en) * 2012-09-13 2014-11-18 Conductix, Inc. Spring-driven reel

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2652939A1 (de) * 1976-11-22 1978-05-24 Spahr Paul Gmbh Co Vorrichtung zum abschalten eines elektromotorischen antriebs von rolladen, markisen o.dgl.
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
FR2514066A1 (fr) * 1981-10-05 1983-04-08 Farnier & Penin Store a dispositif d'arret a tout endroit de sa course

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2652939A1 (de) * 1976-11-22 1978-05-24 Spahr Paul Gmbh Co Vorrichtung zum abschalten eines elektromotorischen antriebs von rolladen, markisen o.dgl.
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
FR2514066A1 (fr) * 1981-10-05 1983-04-08 Farnier & Penin Store a dispositif d'arret a tout endroit de sa course

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0371170A1 (de) * 1988-11-30 1990-06-06 A.S.A. Motoriduttori S.N.C. Antriebsvorrichtung zur Betätigung von Jalousien, Rolläden, Stores und dergleichen
CN108798099A (zh) * 2018-07-10 2018-11-13 合肥市神雕起重机械有限公司 一种用于智能室外停车场的伸缩遮阳机构

Also Published As

Publication number Publication date
FR2588308A1 (fr) 1987-04-10
DE3662289D1 (en) 1989-04-13
FR2588308B1 (fr) 1987-12-24
EP0221826B1 (de) 1989-03-08
ES2007307B3 (es) 1990-06-01
JPS62284880A (ja) 1987-12-10

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