EP3670818A1 - Dispositif d'entraînement pour stores horizontaux - Google Patents

Dispositif d'entraînement pour stores horizontaux Download PDF

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Publication number
EP3670818A1
EP3670818A1 EP19218515.5A EP19218515A EP3670818A1 EP 3670818 A1 EP3670818 A1 EP 3670818A1 EP 19218515 A EP19218515 A EP 19218515A EP 3670818 A1 EP3670818 A1 EP 3670818A1
Authority
EP
European Patent Office
Prior art keywords
actuators
drive
drive device
spindles
another
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
EP19218515.5A
Other languages
German (de)
English (en)
Other versions
EP3670818B1 (fr
Inventor
Michael Sautner
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.)
Sautner Michael
Topf Franz
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP3670818A1 publication Critical patent/EP3670818A1/fr
Application granted granted Critical
Publication of EP3670818B1 publication Critical patent/EP3670818B1/fr
Not-in-force 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
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/327—Guides for raisable lamellar blinds with horizontal lamellae
    • 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
    • E06B9/302—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable without ladder-tape, e.g. with lazy-tongs, with screw spindle
    • 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
    • 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
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/322—Details of operating devices, e.g. pulleys, brakes, spring drums, drives
    • 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
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/322—Details of operating devices, e.g. pulleys, brakes, spring drums, drives
    • E06B2009/3222—Cordless, i.e. user interface without cords

Definitions

  • the invention relates to a drive device for horizontal blinds, with slat carriers guided on parallel actuators.
  • Drive devices for horizontal blinds are known from the prior art, which have lamellar carriers which are guided on actuating drives which run in parallel and, for example, comprise pulling belts or cords as pulling means.
  • the horizontally running slats can be moved on the one hand in the vertical direction and tightly brought together in a rest position to form a disk pack and on the other hand pivoted about a horizontally running longitudinal axis between an open and a closed position.
  • the disadvantage here is that the traction means used there are subject to high wear and tear, so that due to traction means which are worn out differently or elongated differently, a uniform pivoting and movement of the plate carriers in the vertical direction is prevented.
  • drive devices which comprise lamella carriers which have cross struts and are guided on parallel drive spindles ( WO 1991004390 A1 ).
  • the cross struts of the respective disk carriers are in engagement with the spirally rotating threads of both spindles due to gravity and can be moved by the rotational movement of the spindles along their horizontally running longitudinal direction.
  • the drive spindles have a smaller one at their end sections in order to be able to bring the slats tightly together into a rest position when the blind is completely open Thread pitch compared to their central sections.
  • one of the two spindles is provided with a freewheel means, whereby an offset starting of the spindles is achieved, which leads to a pivoting of the cross struts of the lamellar carriers engaging in the threads of the spindles.
  • the disadvantage here is that a secure guidance of the disk carriers on the drive spindles and a uniform alignment of the slats is not possible even with synchronizable drive spindles, since the cross struts that are only loosely in contact with the spindles can slip relatively easily in the threads.
  • the invention is therefore based on the object of designing a drive device for horizontal blinds of the type described in such a way that a long service life and functionality are achieved with little production and assembly effort.
  • the invention solves this problem in that the actuators form drive spindles, each of which has a spirally rotating actuating gear with a slope that decreases toward a rest position, and that the disk carriers each comprise two actuators that can be displaced relative to one another in the longitudinal direction of the actuators, each in one of the two actuating gears intervention.
  • the actuators engaging in the actuating gears absorb the thrust forces of the respective actuating gear flanks, as a result of which the actuators are moved translationally along the longitudinal direction of the spindle.
  • the actuators of the disk carrier are not due to gravity on the actuating aisle floors, but intervene in the actuating aisles in the sense of a guiding and positioning aid, as a result of which all disk carriers of the drive device according to the invention are guided uniformly along the spindles, regardless of the direction of rotation. This effectively prevents unwanted skewing and consequently the risk of the slats becoming wedged.
  • the two actuators of a disk carrier can be displaced relative to one another in the longitudinal direction of the actuators or the drive spindles.
  • relocability is understood to mean that the two actuators of a disk carrier are moved independently of one another and relative to one another along the longitudinal direction of the drive spindle or can be positioned offset from one another both at the same spindle height or in the longitudinal direction of the spindle.
  • the two actuators are, in particular, two independent units that do not have a rigid, but rather, for example, an articulated or flexible connection with one another.
  • the respective slats can be fastened to the slat carrier via a slat holder, the slat holder having, for example, a receiving slot for the slat to be used or forming a connecting pin which engages in a corresponding pin receptacle of the slat.
  • the drive spindles can be designed so that they have a plastic-coated metal core.
  • the plastic casing has a plurality of, for example injection-molded or 3D-printed, spindle segments, which can preferably be glued to one another or otherwise cohesively connected to one another.
  • the actuators can have guide lugs which engage radially in the actuating gear.
  • the preferably at least three guide lugs effectively prevent the actuators from tilting and at the same time absorb the thrust forces of the drive spindles.
  • the actuators enclose the drive spindle on the circumference and have at least three guide pins protruding radially on the inside into the adjustment paths of the drive spindles. In the case of three guide pins, these can be arranged offset on the circumference at an angle of 120 ° to one another.
  • the slat carrier have a length-adjustable swivel unit articulated on the two actuators and that the drive spindles are adjustable independently of one another.
  • the length of the swivel unit means, in particular, the shortest connection length of an imaginary connection line running through the swivel unit between the two actuators, the connection length being, for example, via a simple telescopic connection, a connecting rod running in a guide sleeve, an adjustable connecting rail or via an elongated hole a connecting body of the swivel unit can be displaced and can be varied on one of the actuating bolts. Because the drive spindles can be adjusted independently of one another, the respective actuators of a disk carrier, depending on the speeds and / or directions of rotation of the two drive spindles, can be displaced relative to one another in the longitudinal direction of the spindle or relative to one another in Spindle longitudinal direction are moved.
  • the actuators can be shifted from an open position of the slats to a closed position of the slats, and vice versa.
  • the displacement of the actuators to one another can also take place during operation of both drive spindles, for example by briefly accelerating one of the drive spindles to a higher rotational speed, so that pivoting is also possible while the slats are moving along the longitudinal direction of the spindle.
  • the pinion of the one spindle which meshes with the gear
  • the pinion of the other spindle which also meshes with the gear
  • the pitch of the actuating gears can be designed such that a displacement of an actuator during one revolution enables the associated lamella to be pivoted from a closed position to an open position.
  • one of the gears of the transmission itself can have a freewheeling means.
  • the spindles can start offset, whereby the slats are pivoted.
  • there are particularly large adjustment angles if the driver of the freewheel means is driven via a planetary gear such that a relatively low relative speed between the driver and the free-running actuator results when the actuating speed of the two actuators is high.
  • the actuators are guided over one or more guide rails running parallel to the actuators.
  • the actuators can be designed in such a way that they each have a guide slot into which the guide strips of a guide rail running parallel to the two drive spindles engage, as a result of which the actuators are positively guided along the guide rail.
  • the guide rails can also be designed as profile strips which are arranged next to the drive spindles and have, for example, a U-profile in cross section, which comprise a guide channel for receiving a respective radially outwardly directed guide lug of the actuators.
  • any torsional forces transmitted to the actuators by the drive spindles can be effectively compensated for, so that undesired rotational movements of the actuators around the longitudinal axes of the spindles are avoided, so that subsequently high actuating speeds and at the same time smooth and quiet running of the disk carriers along the drive spindles are achieved.
  • the disk carriers and / or their actuators have a braking device for the actuators and / or the guide rails.
  • a braking device can be designed, for example, as a simple shoe brake whose adjusting force can be adjusted.
  • the actuators engages around the assigned actuator as a braking device under pretension.
  • the actuator forming the braking device can have a circumferential opening, so that the actuator does not completely surround the drive spindle, but in the sense of an elastic clamp engages under pretension, the inner diameter of the actuator encompassing the circumference of the actuator being able to be selected to be smaller than the outer diameter of the drive spindle in accordance with the frictional force to be achieved.
  • the manufacturing and assembly outlay of the device can be reduced, since a separate braking device, for example in the form of a shoe brake, can be dispensed with.
  • the slats can be displaced beyond the closed position against the force of a restoring element.
  • This can be achieved, for example, in that the lamella is connected to the lamella carrier in addition to the lamella holder via a further connecting piece, the connecting pin engaging in an elongated hole of the lamella carrier and being fixed as a restoring element, for example, by means of a rubber buffer inserted in the elongated hole.
  • the lamella holder itself is not rigidly connected to the swivel unit or the lamella carrier, but rather can be pivoted at least to the extent that it swings about its swivel axis transverse to the longitudinal direction of the spindle such that the additional connecting piece can move within the elongated hole against the spring force.
  • the slats have an additional play in the closed position, so that jamming of overlapping slats is effectively avoided.
  • Another advantage is that the additional fastening point of the slat on the slat carrier ensures that the slat is firmly seated both during the setting process and in the rest position, so that unwanted vibrations caused, for example, by wind and resulting rattling noises of the slats are prevented.
  • the invention also relates to a horizontal blind with two drive devices according to the invention, which are arranged at a distance from one another for receiving slats running horizontally between the drive devices.
  • the two drive devices are common Drive synchronized with each other.
  • the common drive can comprise, for example, a drive shaft, each of the drive devices being drive-connected to this drive shaft via an angular gear.
  • the respective angular gear assigned to a drive device can comprise an intermediate shaft in order to be able to operate the two drive spindles of a drive device in the same way.
  • the common drive comprises a main drive shaft, which is drive-connected to the angular gears of the respective drive devices via an intermediate gear and two separate intermediate shafts.
  • the pinion engaged with the gearbox can have one of the drive spindles of a drive device or a pinion of the gearbox or, in the case of a planetary gearbox, itself a freewheeling means.
  • a horizontal blind according to the invention has a drive device 1 according to the invention with two parallel actuators 2, 3, the drive spindles 4, 5 form.
  • the drive spindles 4, 5 comprise setting gears 6, 7, each of which has a decreasing gear pitch towards a rest position.
  • the drive devices 1 also have disk carriers 8, each of which comprises two actuators 9, 10 which can be displaced relative to one another in the longitudinal direction of the actuators 2, 3 and each engage in one of the two actuating gears.
  • the actuators 9, 10 are displaced relative to one another in the longitudinal direction of the drive spindles 4, 5 in such a way that the slats 11 are arranged in an open position.
  • the actuators 9, 10 each have radially engaging guide lugs 12, for example in the form of guide pins, as shown in FIG Fig. 2 can be seen.
  • the disk carriers 8 comprise a length-adjustable swivel unit articulated on the two actuators 9, 10.
  • the swivel unit has a connecting body 13 with a guide sleeve 14 and a lamella holder 15.
  • the connecting body 13 forms a connecting bracket.
  • the connecting body 13 designed according to that embodiment as a connecting bracket also comprises a first bracket section 16 facing the actuator 9 and displaceably passing through the guide sleeve 14, the guide sleeve 14 being rotatably mounted on the actuator 9 via a connecting pin 17.
  • the lamella holder 15 is inclined by approximately 45 ° with respect to the longitudinal axis of the swivel unit, which corresponds to the longitudinal axis of the first bracket section 16.
  • the lamella 11 is inclined by 45 ° with respect to the longitudinal direction of the spindle and due to a displacement of the two actuators 9, 10 relative to one another from that in FIG Fig. 1 shown in the open position in the Fig. 3 shown closed position can be shifted.
  • the slat holders 15 aligned in the longitudinal direction of the drive spindles 4, 5, so that the slats 11 partially overlap one another.
  • the actuators 2, 3 are drive-connected to an angular gear 23 and each have a pinion 24, 25.
  • the pinions 24, 25 are in engagement with one pinion 26, 27 each of a gear shaft 28 of the angular gear 23 1 to 4
  • the transmission shaft 28 comprises a hollow shaft section 29 and an inner shaft section 30 lying in the hollow shaft section 29, the pinion 26 being connected to the hollow shaft section 29 and the pinion 27 being connected to the inner shaft section 30.
  • the inner shaft section 30 can have a driving pin, so that after about one revolution of the inner shaft section 30, the hollow shaft section 29 also gripped by the driving pin.
  • a disk pack 31 brought together to a rest position is shown, this being made possible due to the lower pitch of the actuating gears 6, 7 in the respective end sections 21, 22 of the drive spindles 4, 5.
  • FIG. 5 and 6 an alternative embodiment of a drive device 1 according to the invention of a horizontal blind is shown.
  • the plate carrier 8 having the swivel unit comprises a connecting body 13 with an elongated hole 32.
  • the connecting pin 17 articulated on the actuator 10 is displaceable within the elongated hole 32.
  • a connecting pin can be provided as the lamella holder 15 be, which engages in a corresponding pin recess 33 of the lamella 11.
  • the lamella carrier 8 can have a reset element inserted in an elongated hole, for example a rubber buffer 34, and also an additional connecting piece for the lamella 11 inserted into the elongated hole.
  • the lamella holder 15 designed as a square connecting pin in the alternative embodiment shown can be pivoted about its connecting axis running transversely to the longitudinal direction of the spindle at least to such an extent that the additional connecting piece to the lamella 11 can move against the spring force within the elongated hole.
  • the plate carriers 8 and / or their actuators 9, 10 can have a braking device.
  • one of the actuators 9 can grasp the associated spindle 4 as a braking device under pretension in the sense of a clamp, as shown in Fig. 6 emerges.
  • the actuators 9, 10 can be guided via one or more guide rails 35 running parallel to the actuators 2, 3.
  • the guide rails 35 can, for example, have an essentially U-shaped cross-sectional profile, so that they form a guide channel into which the corresponding guide lugs 36 of the actuators 9, 10 engage and can thus be positively guided.
  • these can have a plastic-coated metal core 37.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Blinds (AREA)
EP19218515.5A 2018-12-20 2019-12-20 Dispositif d'entraînement pour stores horizontaux Not-in-force EP3670818B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT511362018A AT521167B1 (de) 2018-12-20 2018-12-20 Antriebsvorrichtung für Horizontaljalousien

Publications (2)

Publication Number Publication Date
EP3670818A1 true EP3670818A1 (fr) 2020-06-24
EP3670818B1 EP3670818B1 (fr) 2022-09-21

Family

ID=68502115

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19218515.5A Not-in-force EP3670818B1 (fr) 2018-12-20 2019-12-20 Dispositif d'entraînement pour stores horizontaux

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EP (1) EP3670818B1 (fr)
AT (1) AT521167B1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2179882A (en) * 1938-09-20 1939-11-14 Durre Allen Blind
US3717195A (en) * 1971-05-14 1973-02-20 G Larranaga Automatic metal louvered safety blind
WO1991004390A1 (fr) 1989-09-12 1991-04-04 Tore Lyngholm Agencement d'un store venitien lamellaire
EP2113627A2 (fr) * 2008-04-30 2009-11-04 Inmaculada Corella Monzón Mecanisme d'assujettissement et d'actionnement à fermetures de lames orientables et retirables pour l'extérieur.
EP2850260A1 (fr) * 2013-06-07 2015-03-25 Renson Sunprotection-Screens NV Structure à lattes

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160073660A (ko) * 2014-12-17 2016-06-27 주식회사 루버텍코리아 루버 셔터의 슬랫 회동부

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2179882A (en) * 1938-09-20 1939-11-14 Durre Allen Blind
US3717195A (en) * 1971-05-14 1973-02-20 G Larranaga Automatic metal louvered safety blind
WO1991004390A1 (fr) 1989-09-12 1991-04-04 Tore Lyngholm Agencement d'un store venitien lamellaire
EP2113627A2 (fr) * 2008-04-30 2009-11-04 Inmaculada Corella Monzón Mecanisme d'assujettissement et d'actionnement à fermetures de lames orientables et retirables pour l'extérieur.
EP2850260A1 (fr) * 2013-06-07 2015-03-25 Renson Sunprotection-Screens NV Structure à lattes

Also Published As

Publication number Publication date
AT521167B1 (de) 2019-11-15
EP3670818B1 (fr) 2022-09-21
AT521167A4 (de) 2019-11-15

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