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EP2343431B1 - Dispositif de réglage et procédé d'activation et de désactivation de la position de fonctionnement d'un store vénitien - Google Patents

Dispositif de réglage et procédé d'activation et de désactivation de la position de fonctionnement d'un store vénitien Download PDF

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Publication number
EP2343431B1
EP2343431B1 EP10405202.2A EP10405202A EP2343431B1 EP 2343431 B1 EP2343431 B1 EP 2343431B1 EP 10405202 A EP10405202 A EP 10405202A EP 2343431 B1 EP2343431 B1 EP 2343431B1
Authority
EP
European Patent Office
Prior art keywords
ring
positioning device
cam plates
turning mechanism
teeth
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.)
Active
Application number
EP10405202.2A
Other languages
German (de)
English (en)
Other versions
EP2343431A2 (fr
EP2343431A3 (fr
Inventor
Reto Baumberger
Erwin Bossart
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.)
Griesser Holding AG
Original Assignee
Griesser Holding AG
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 Griesser Holding AG filed Critical Griesser Holding AG
Publication of EP2343431A2 publication Critical patent/EP2343431A2/fr
Publication of EP2343431A3 publication Critical patent/EP2343431A3/fr
Application granted granted Critical
Publication of EP2343431B1 publication Critical patent/EP2343431B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/303—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable with ladder-tape
    • E06B9/308—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable with ladder-tape with coaxial tilting bar and raising shaft
    • 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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/303—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable with ladder-tape
    • E06B9/307—Details of tilting bars and their operation

Definitions

  • the subject matter of the invention is an adjusting device and a method for activating and deactivating the working position in a roman blinds according to the preamble of claims 1 and 6.
  • Known Roman blinds include a curtain with elongated slats that are horizontally aligned within a building recess and stackable on a vertically displaceable mounting rail.
  • a drive shaft aligned parallel to the slats and to the mounting rail extends between the lateral boundary walls. This is connected to a drive arrangement for lifting and lowering the mounting rail.
  • the drive shaft - controlled by a control system - can be driven by an electric motor.
  • hand cranks for driving the drive shaft are also known.
  • the drive arrangement can comprise, for example, two or more coils that are pushed onto the drive shaft the length of which is distributed and non-rotatably connected to this drive shaft.
  • Each of these coils comprises a coil core coaxial with the drive shaft, on the periphery of which one end of an elevator belt is attached.
  • the respective other ends of these elevator belts are looped through corresponding through openings in the slats and connected to the mounting rail.
  • excellent guide bolts are formed on the two opposite narrow sides of the slats and the mounting rail. These engage in vertical guide rails, which are attached to the side walls of the building recess. They enable guided movement of the mounting rail and the slats within the building recess.
  • the means for lifting and lowering the mounting rail can also be designed partially or completely in the region of the vertical guide rails.
  • endless drive belts, drive chains or other drive means can be provided there, each of which is at the top rotate around a drive wheel coupled to the drive shaft.
  • Such drive means can optionally be guided around a further deflection element in the region of the lower end of the respective guide rail.
  • the slats are connected in the region of their two longitudinal edges with two or more carrying or turning tapes, these turning tapes being arranged transversely to the slats.
  • the connection points connected to adjacent slats are arranged at regular intervals.
  • Each turning belt is connected to a swiveling turning body of a turning mechanism arranged above the slats. By swiveling these turning bodies together, the position or inclination angle of those slats which hang on the turning belts or are not stacked on the mounting rail can be changed synchronously.
  • the turning bodies are usually connected to the drive shaft by means of a wrap spring coupling.
  • the reversing bodies are coupled to the drive shaft until the tilt position for the closed position of the slats is reached.
  • the wrap spring clutch is released by a stop of the turning mechanism, and the slats assume their closed position when stacking.
  • the turning bodies are as long as the curtain is raised coupled with the drive shaft until the inclination for the open position of the slats is reached.
  • the wrap spring clutch is released by a further stop of the turning mechanism and the slats assume their open position when the mounting rail is pulled up further.
  • an adjusting device controlling the change between the working position and the closed position when lowering and lifting the curtain without the involvement of elevator belts.
  • the adjusting device comprises a cam disc and a tapping lever resting against this cam disc.
  • the tapping lever is connected to a stop in a rotationally fixed manner via a swivel shaft, the stop serving to specify the working position.
  • the cam disc is coupled to the drive shaft via a trigger element in the form of a leaf spring, the position of this trigger element being effected by a gear.
  • This transmission comprises a first gearwheel which is connected in a rotationally fixed manner to the drive shaft and a second gearwheel arranged coaxially thereto and coupled to the first gearwheel via a peripheral pinion with different number of teeth.
  • Each of these gears has a recess on the inside. If the recesses are made to overlap in the area of the leaf spring by rotating the drive shaft, the trigger element swivels into these recesses for half a revolution and serves as a driver for the cam disk.
  • An object of the present invention is to provide an actuating device for a turning device with which the activation and deactivation of the working position function is possible in a simple manner even without the involvement of elevator belts.
  • FIG. 1 shows an exploded view of a turning mechanism 1, as is known from the prior art.
  • the turning mechanism 1 comprises a housing 3 with two housing halves 3a, 3b which can be joined together and fastened to one another by means of latching connecting elements.
  • Semicircular recesses 5 are formed on the two side walls of each of these housing halves 3a, 3b and, when the housing 3 is assembled, serve to rotatably support a coil 7.
  • the coil 7 comprises a continuous hollow shaft 9, the inner cross section of which is adapted to the outer cross section of an elevator shaft of the store (not shown) which can be driven by a motor or by hand crank, in such a way that the coil 7 can be pushed onto this elevator shaft and connected to it in a rotationally fixed manner.
  • the spool 7 Adjacent to one of the two lateral boundary walls 11 of the spool 7, between which the respective elevator belt can be wound or unwound, the spool 7 comprises a stub shaft 13.
  • the outer diameter of a front section 13a of this stub shaft 13 is larger than the outer diameter of the hollow shaft 9 and slightly smaller than that of a rear portion 13b adjacent to the front boundary wall 11.
  • a wrap spring 15 is pushed onto the front section 13a of the stub shaft 13 and held there in a force-fitting manner due to its pretension.
  • This wrap spring 15 comprises two end legs 15a, 15b projecting radially outwards in different directions, such that these end legs 15a, 15b form an angle ⁇ in the axial view, which can be, for example, in the order of about 15 ° to about 75 °.
  • ⁇ in the axial view
  • the turning body 17 comprises an annular sleeve 19 with a peripheral recess 21 through which the two end legs 15a, 15b of the wrap spring 15 protrude outwards, and a turning wheel axially connected to the sleeve 19 and non-rotatably connected to this sleeve 19 23.
  • a peripheral groove 25 is formed on the periphery of the turning wheel 23, in which a turning band 27 is inserted.
  • the turning belt 27 is connected locally to the turning wheel 23 at a tangential connection point. As in Figure 1 shown, this connection can be made, for example, by means of a stationary bead 29 formed on the turning belt 27, which can preferably be releasably latched into a corresponding, slightly elastically resilient seat 31 in the groove 25.
  • the two hanging dreams 27a, 27b of the turning belt 27 are connected in a known manner at regular intervals to the opposite longitudinal edges of each slat (not shown).
  • the turning band 27 can be formed contiguously over its entire length or alternatively can comprise a plurality of interconnected or connectable sections.
  • the two sections of a turning belt 27 attached to the slats can be releasably connected to the runs 27a, 27b of the section held on the turning wheel 23 (not shown).
  • the non-positive connection between the wrap spring 15 and the front section 13a of the stub shaft 13 is reinforced.
  • the pivoting range of the reversing body 17 is limited by stops 33a, 33b rigidly connected to the housing 3 or formed directly on the housing 3 for the end legs 15a, 15b of the wrap spring 15 which are respectively rear in the direction of rotation.
  • the stops 33a, 33b are formed on a stop body 33 which can be pushed into the lower housing half 3a.
  • the turning body 17 remains in the respective pivot position.
  • the front stop 33a is arranged in such a way that the turning body 17 specifies the open position of the slats when the mounting rail is pulled open.
  • the rear stop 33b determines the closed position of the slats due to the associated pivoting position of the turning body 17.
  • a further stop 33c is additionally provided.
  • This further stop 33c can, as in Figure 1 shown, be formed as a front edge of a sawtooth-like locking lug with a beveled rear edge 34 on a stop lever 35.
  • This stop lever 35 comprises a cylindrical joint body 36 at one end and a pretensioned spring tongue 37 supported and pretensioned on the inner wall of the housing 3 at the opposite end.
  • the stop lever 35 is pivotally mounted in the housing 3 transversely to the turning body 17.
  • the intermediate stop 33c is pressed transversely to the movement path or from the side as a temporary lock for the end leg 15a in its movement path.
  • the stop 33c now acts as an active lock and retains the wrap spring 15 and thus also the turning body 17 when the mounting rail is lowered in a swivel position which specifies the working position of the slats.
  • a changeover means acting temporarily on the stop lever 35 forces the stop 33c out of the movement path of the end leg 15a.
  • the wrap spring 15 is therefore again with the drive shaft or Stub shaft 13 coupled and rotates the turning body 17 until the end leg 15a abuts the rear stop 33b, which specifies the pivoting position of the turning body 17 for the closed position of the slats.
  • the changeover means conventionally comprises a lever (not shown) which is arranged entirely in the housing 3 of the turning mechanism 1. When the last turn of the elevator belt is unwound from the spool 7, this lever is moved from a rest position into an active position to displace the stop 33c.
  • the housing 63 of an actuating device 61 is rigidly connected to the housing 3 of the turning mechanism 1.
  • Figure 3 shows this arrangement as an exploded view.
  • the housing 63 of the actuating device 61 comprises a base plate 63a and a hood 63b which can be screwed onto this base plate 63a with three screws 65a.
  • the base plate 63a is fastened laterally to the housing 3 of the turning mechanism 1 with four screws 65b.
  • the base plate 63a and the hood 63b each comprise an opening, which is encased by a collar 67 protruding into the housing 63.
  • a drive wheel 69 in the interior of the housing 63 comprises a hub 71, which is designed to be pushed on and non-rotatably connected to the drive shaft of the store, and coaxially with a peripheral drive ring 73.
  • a ring gear 75 is formed on the inside of the drive ring 73 .
  • the drive ring 73 is rigidly connected to the hub 71 via an annular connecting disk 77. In the axial direction, the drive ring 73 projects beyond the connecting disk 77 on both sides.
  • the hub 71 in turn projects beyond the drive ring 73 on both sides and is mounted in the two sleeve-like collars 67 of the housing 63.
  • the outside of the drive ring 73 comprises two cylinder jacket-like sections 73a, 73b.
  • the shorter section 73b has a somewhat smaller outer diameter compared to the longer section 73a and extends in the illustrated embodiment over an angular range of approximately 30 °.
  • the outside of the drive ring 73 is used as a cam plate for a spring-loaded switching or tapping lever 79 which is pivotably mounted on the housing 63.
  • the tap lever 79 comprises at one end a protruding contact strip 79a, which is pressed against the periphery of the drive ring 73, for example by the force of a leaf spring (not shown).
  • bearing rings 81 are formed, which surround the collar 67 eccentrically.
  • An output ring 83, 85 is mounted on each of these bearing rings 81.
  • Each of these output rings 83, 85 comprises, on the side facing the drive ring 73, a section with an external ring gear that meshes locally with the ring gear 75 of the drive ring 73.
  • Each of the output rings 83, 85 includes axially adjacent the respective ring gear analogous to the drive ring 73, an area with two cylindrical jacket-like sections with slightly different outside diameters, these two outside diameters being larger than the outside diameter of the adjoining ring gear.
  • the contact strip 79a of the tap lever 79 projects beyond the drive ring 73 on both sides, so that the outer sides of the driven wheels 83, 85 can also be used as further cam disks for controlling the tap lever 79.
  • the three cams are arranged so that both the sections with the larger outside diameters and the switching zones or the sections with the smaller outside diameters are aligned with each other in the area of the contact strip.
  • the number of teeth of the drive ring 73 is also designated with n1, that of the first driven ring 83 with n2 and that of the second driven ring 85 with n3.
  • the two output rings 83, 85 are basically interchangeable.
  • the periodicity P of the arrangement with the three cams is given by the ratio of the number of teeth n1, n2 and n3. Preferably 80>n2> 40 applies. Only if all three switching zones of the cams are in the Overlap the area of the contact strip 79a in the axial view, the switching lever 79 is pivoted into the switching position by the force of the switching spring (not shown).
  • the Figures 4 and 5 show the arrangement Figure 2 without hood 63b in an axial view. Figure 4 shows the actuating device 61 in the switched state, Figure 5 in the unswitched state.
  • the second leg of the tap lever 79 is connected to the stop lever 35 of the turning mechanism 1 via a changeover means.
  • the changeover means is a flexible tension band 87, which is guided via a deflection body 89 through corresponding openings in the base plate 63a and in the housing 3 of the turning mechanism 1.
  • the tension band 87 is only tightened to such an extent that the stop lever 35 remains in the rest position in the non-switched state of the adjusting device 61, in which the intermediate stop 33c ( Figure 1 ) holds the wrap spring 15 in position for the working position.
  • the stop lever 35 is pulled to the side by the tension band 87 due to the stronger force of the switching spring so that the intermediate stop 33c no longer acts as a lock for the wrap spring 15.
  • This state corresponds to the AB1 position, in which the working position is lifted and the slats are pivoted into their closed position when the curtain is lowered further to the AB2 position.
  • the curtain is preferably lowered into the AB1 position, and in the actuating device 61 the switched state is as shown in FIG Figure 4 is shown, preset. If the curtain is pulled up again from this position, the adjusting device 61 immediately changes to the unswitched state.
  • the compact mechanical counter with the three cam disks makes it possible to clearly specify an absolute lowering position of the curtain. Even curtains of several meters in length can be raised completely without the adjusting device 61 changing into the switched state.
  • the actuating device 61 temporarily switches to the switched state exactly in the AB1 position. The switched state is preferably maintained until the AB2 position is reached, that is, until the slats are pivoted completely into their closed position.
  • the actuating device 61 can be easily installed in a standard channel as an additional module on a standardized turning mechanism 1. It works independently of elevator elements and does not require any additional electrical installations.
  • the inclination of the slats can be continuously adjusted between the AB1 position and the AB2 position without activating the working position.
  • the basic idea of the invention also includes other embodiments of the adjusting device 61, especially those in which a rigid lever is used as a changeover means instead of a tension band 87.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)
  • Elevator Door Apparatuses (AREA)

Claims (6)

  1. Dispositif de réglage (61) pour l'activation et la désactivation de la position de fonctionnement d'un store à lamelles doté d'un mécanisme d'enroulement (1),
    ledit mécanisme d'enroulement (1) comprenant dans un boîtier (3) un actionneur mobile pour la prescription d'une position de fonctionnement, comportant un autre boîtier (63) fixement raccordable au boîtier (3) du mécanisme d'enroulement (1) et un moyen de commutation accouplable à l'actionneur du mécanisme d'enroulement (1), pourvu d'un levier de prise (79) monté de manière pivotante sur l'autre boîtier (63), dont la position modifiable par entraînement du store à lamelles dans une position de descente clairement définie du rideau,
    où
    le levier de prise (79) présente un bras avec un bord de contact (79a),
    où
    la périphérie de plusieurs cames entraînables par l'arbre d'entraînement avec des rapports de transmission différenciés présente un segment annulaire de grand diamètre extérieur et un segment annulaire de petit diamètre extérieur,
    où
    les surfaces extérieures des segments annulaires de grands diamètres extérieurs et les surfaces extérieures des segments annulaires de petits diamètres extérieurs sont alignées au niveau du bord de contact (79a) du levier de prise (79),
    où
    le bord de contact (79a) est serré contre les cames par force de ressort et influençable par l'action desdites cames,
    et où
    une bande de traction (87) ou un autre moyen de transmission qui est raccordable à l'actionneur du mécanisme d'enroulement (1) est prévu sur l'autre bras du levier de prise (79).
  2. Dispositif de réglage (61) selon la revendication 1, caractérisé en ce que ledit dispositif de réglage (61) présente trois cames, une desdites cames étant une bague d'entraînement (73) disposée périphériquement sur une roue d'entraînement (69) raccordable solidairement en rotation avec l'arbre d'entraînement du store, et sur la face intérieure de laquelle est réalisée une couronne dentée, et où les deux autres cames sont disposées périphériquement sur deux bagues entraînées (83, 85), chacune desdites bagues entraînées (83, 85) étant montée excentriquement par rapport à la bague d'entraînement (73) sur le boîtier (63) et présentant sur le côté dirigé vers la bague d'entraînement (73) une partie avec une roue dentée extérieure, laquelle s'engrène localement avec la roue dentée (75) de la bague d'entraînement (73).
  3. Dispositif de réglage (61) selon la revendication 2, caractérisé en ce que le nombre de dents n1 de la bague d'entraînement (73) est supérieur au nombre de dents n2 de la première bague entraînée (83), et en ce que le nombre de dents n2 de la première bague entraînée (83) est supérieur au nombre de dents n3 de la deuxième bague entraînée (85).
  4. Dispositif de réglage (61) selon la revendication 3, caractérisé en ce que le nombre de dents n2 de la première bague entraînée (83) et le nombre de dents n1 de la bague d'entraînement (73) sont fixés de telle manière que la première bague entraînée (83) est tournée par rotation complète de la roue d'entraînement (69) d'une plage angulaire supérieure à la plage angulaire sur laquelle s'étend la partie (73b) ayant le plus petit diamètre extérieur de la bague d'entraînement (73).
  5. Dispositif de réglage (61) selon l'une quelconque des revendications 2 à 4, caractérisé en ce que le chevauchement simultané des zones de commutation des trois cames correspond à la position AB1 du store.
  6. Procédé d'activation et de désactivation de la position de fonctionnement d'un store à lamelles doté d'un dispositif de réglage (61) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que ledit dispositif de réglage (61) est passé dans une position de commutation où les zones de commutation des cames se chevauchent en vue axiale, en ce que le rideau du store à lamelles est passé en position AB1, en ce que le moyen de commutation est relié à l'actionneur du mécanisme d'enroulement (1), et en ce que, lors de la montée du rideau et de la traversée de la position AB1, l'actionneur est déplacé vers une position de prescription de la position de fonctionnement, et en ce que lors de la descente du rideau de la traversée de la position AB1, l'actionneur est déplacé vers une position de prescription de la position de fermeture.
EP10405202.2A 2010-01-11 2010-10-25 Dispositif de réglage et procédé d'activation et de désactivation de la position de fonctionnement d'un store vénitien Active EP2343431B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00030/10A CH702509A1 (de) 2010-01-11 2010-01-11 Stellvorrichtung und Verfahren zum Aktivieren und Deaktivieren der Arbeitsstellung bei einer Rafflamellenstore.

Publications (3)

Publication Number Publication Date
EP2343431A2 EP2343431A2 (fr) 2011-07-13
EP2343431A3 EP2343431A3 (fr) 2015-08-19
EP2343431B1 true EP2343431B1 (fr) 2020-05-13

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ID=43903841

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10405202.2A Active EP2343431B1 (fr) 2010-01-11 2010-10-25 Dispositif de réglage et procédé d'activation et de désactivation de la position de fonctionnement d'un store vénitien

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Country Link
EP (1) EP2343431B1 (fr)
CH (1) CH702509A1 (fr)
ES (1) ES2805965T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103726777B (zh) * 2013-12-20 2015-08-26 杭州欧卡索拉科技有限公司 百叶窗的时序离合控制卷轮系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3625365A1 (de) * 1986-07-26 1988-02-04 Warema Renkhoff Gmbh & Co Kg Wendevorrichtung fuer eine raffbare lamellenjalousie mit drei lamellenstellungen
DE3718513C2 (de) * 1987-06-03 1994-04-14 Warema Renkhoff Gmbh & Co Kg Wendevorrichtung für eine raffbare Lamellenjalousie
CH679689A5 (fr) * 1987-07-16 1992-03-31 Baumann Rolladen
CH684204A5 (de) * 1991-09-23 1994-07-29 Schenker Storen Ag Rafflamellenstore.
EP1905942B1 (fr) * 2006-09-27 2014-07-16 WAREMA Kunststofftechnik und Maschinenbau GmbH Palier de position de travail

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ES2805965T3 (es) 2021-02-16
EP2343431A2 (fr) 2011-07-13
EP2343431A3 (fr) 2015-08-19
CH702509A1 (de) 2011-07-15

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