EP2530234A1 - Dispositif d'entraînement pour le réglage d'installations de protection solaire - Google Patents

Dispositif d'entraînement pour le réglage d'installations de protection solaire Download PDF

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Publication number
EP2530234A1
EP2530234A1 EP20110004394 EP11004394A EP2530234A1 EP 2530234 A1 EP2530234 A1 EP 2530234A1 EP 20110004394 EP20110004394 EP 20110004394 EP 11004394 A EP11004394 A EP 11004394A EP 2530234 A1 EP2530234 A1 EP 2530234A1
Authority
EP
European Patent Office
Prior art keywords
chain
drive device
evading
drive
gear
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
EP20110004394
Other languages
German (de)
English (en)
Other versions
EP2530234B1 (fr
Inventor
Sebastian Oppel
Joachim Müller
Christian Kunkel
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.)
Warema Kunststofftechnik und Maschinenbau GmbH
Original Assignee
Warema Kunststofftechnik und Maschinenbau GmbH
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 Warema Kunststofftechnik und Maschinenbau GmbH filed Critical Warema Kunststofftechnik und Maschinenbau GmbH
Priority to EP11004394.0A priority Critical patent/EP2530234B1/fr
Publication of EP2530234A1 publication Critical patent/EP2530234A1/fr
Application granted granted Critical
Publication of EP2530234B1 publication Critical patent/EP2530234B1/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
    • E06B9/32—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
    • E06B9/326—Details of cords, e.g. buckles, drawing knobs
    • E06B2009/3265—Emergency release to prevent strangulation or excessive load

Definitions

  • the present invention relates to a drive device for adjusting sunshade systems with a manually operated chain, which is formed in an endless loop and is in engagement with a drive gear.
  • Simple solutions provide that the chain, which is usually designed as a ball chain, is inserted into the transmission and fixed over the housing cover of the transmission.
  • the chain is thus firmly anchored in the transmission and can not be solved even under load.
  • the housing cover itself is connected via a fixed clamp with the rail.
  • the object of the present invention is to provide a drive device in which the endless loop detaches from an unintentional catching above a limit force of the drive device to safely avoid the risk of injury.
  • this object is achieved in that the chain is guided over at least one guide element that is formed as a bevel gear, wherein laterally next to the guide element an evasive element is provided which escapes when exceeding a certain lateral force generated by the chain and a release of Chain caused by the drive device.
  • the drive gear itself is formed as a bevel gear and forms the guide element.
  • This solution is characterized by a minimal design overhead, since only the evasive under a certain force evasive element must be additionally provided, while the additional cost of a bevel gear designed as a drive gear, especially in plastic versions are practically negligible.
  • two guide elements are provided, between which the drive gear is arranged, wherein the guide elements hold the chain from below against the drive gear in engagement.
  • the lateral forces that cause the evasion element, not by the drive gear itself but the guide elements are constructed, which are then designed as bevel gears accordingly.
  • the advantage is that the drive gear and the rest of the drive mechanism are not burdened with the high impact forces that can occur when caught in the endless loop.
  • the guide elements are mounted on a bearing block which is supported on at least one spring element, the one Builds support force in the direction of the drive gear.
  • bearing block is divided into two pressure pieces which are spring-mounted independently of each other and each supported a guide element independently of the other.
  • This embodiment ensures that in a one-sided stress on the chain, as occurs during normal adjustment of the sunshade system, only one guide element escapes, even if an inappropriate high force application occurs.
  • the separate storage of the two guide rollers can thus avoid early unwanted disengagement of the chain.
  • a first solution provides that the evading element is provided with a closure in its chain holding position, which opens above a certain release force.
  • a closure may for example be designed as a latching device, wherein in the case of separate pressure pieces each is latched to the evading element.
  • the evading element is supported by a spring in its chain holding position, wherein the spring force counteracts the side force generated by the at least one bevel gear on the chain.
  • the release force can be adjusted according to the spring force.
  • An evasive evasive element is preferably combined with an embodiment in which the drive gear itself is formed as a bevel gear and guide element.
  • a clearance is provided, which is separated by the evasion of the engagement of the chain with the drive gear and at least one bevel gear.
  • the evading element is preferably pivotally mounted, but it may also be provided a lateral guide.
  • the evading element is also formed as a bevel gear and arranged coaxially to the drive gear end to end to this, wherein the deflection movement of this further bevel gear a gap between the two bevel gears releases so that the chain can slip down out of engagement.
  • This solution can in turn be implemented in various ways, namely by a latching lock of the Evasive element or by a spring load of the evading element.
  • the drive gear has corresponding receptacles for the balls, which ensure the positive engagement and allow lateral sliding out when dodge the evasion element.
  • a drive device 10 is shown, as it is typically provided on the front side of the upper rails of sun protection systems, such as roller blinds or blinds.
  • the embodiment shown drives, via a shaft 12, a catch-up or turning device of the sunshade system, which is not described in greater detail, and is formed with a bevel gear 16 at its end facing a safety device 14.
  • This bevel gear 16 is provided with a spur gear 18, the shape of which is selected so that balls 20 of a ball chain 22 are held positively in engagement.
  • the front side of the bevel gear 16 is located in the immediate vicinity of a wall designed as evasive element or is located only at a slight distance from this evasive element, so that the balls 20 are held without play between the toothing 18 and the evading element 24.
  • the evading element 24 is supported by springs 26 on a housing 28 whose force is supported depending on the game on the bevel gear 16 or on a stop. This makes it possible to transmit corresponding operating forces manually via the ball chain 22 to the bevel gear 16 and via the drive shaft 12 to the adjustment of the sun protection system.
  • the formation of the drive gear 16 as a bevel gear ensures that acting on the balls 20 an axial force in the direction of the evading element 24. If this force exceeds the force of the springs 26, the evading element 24 deviates into a free space 30, so that the balls come out of engagement with the toothing 18. Due to the resulting space between the toothing 18 and the evading element 24 (see Fig. 2 ), the chain may slip outwards and downwards, and there is no danger that a person caught in the ball chain, which is formed as an endless loop, may strangulate.
  • a further embodiment of a drive device 110 is shown, in which the drive gear 116 is formed as a cylindrical gear with a corresponding to the balls 120 of the ball chain 122 teeth.
  • the driving forces are transmitted again correspondingly via a drive shaft 112 to the adjustment mechanism of the sun protection system.
  • the ball chain 120 is not placed from above on the teeth 118 of the drive gear 116, but is pressed by means of a bearing block 140 and two guide elements 142, between which the drive gear 116, from below against this.
  • the bearing block 140 consists of two pressure pieces 144, 146, which are U-shaped (see Fig. 4 ) and on each of which by means of a respective cylindrical pin 148 a guide element 142 is rotatably mounted.
  • the guide elements 3 are formed as tapered rollers (see Fig.
  • each pressure piece 144, 146 is pressed by a compression spring 150, 152 in the direction of the drive gear 116, so that the ball chain 122 in an arc through the plant guided and positively pressed from below against the teeth 118 of the drive gear 116.
  • a deflecting element 124 is pivotably mounted in a housing 128 (see FIG Fig. 4 ).
  • a closure or latching point 152 (see Fig. 5 and Fig. 7 ) is provided, which is formed so wide that they can engage with two pressure pieces (144, 146).
  • the interior of the housing 128 is divided into two chambers, wherein in the left chamber, the functional elements are included, while the right chamber forms a space 130 so that the pivotally mounted evasive element 124 can swivel laterally when overloaded and the ball chain 120th is released down. Since the free space 130 is part of the housing, there is no risk of incorrect installation, since the necessary space for evasion space is kept within the housing and can not be blocked by too close system in a corner or a soffit.
  • FIG. 7 shows by way of example the operation of the ball chain at the rear part, in Fig. 7 in the sense of the representation the right side.
  • the rear pressure member 144 is moved downward, wherein the spring 152 is compressed. Since the front part of the ball chain 122 is still not loaded, presses there provided Spring 150, the front pressure piece 146 upwards, so that the latching point 152 is released only in the region of the rear pressure piece 144, but still blocked in the region of the front pressure piece 146.
  • the evading member 124 thus securely holds the ball chain 122 in engagement with the drive gear 116.
  • FIGS. 8 and 9 An incorrect operation of the gear is in FIGS. 8 and 9 shown.
  • Such a case occurs when simultaneously pulled at the front and rear of the ball chain 122 with so much force that both plungers 144, 146 lower simultaneously.
  • This load case can also occur, for example, when a person has caught in the endless loop of the ball chain 122 and can no longer control his movement in a fall.
  • the locking device 152 By simultaneously lowering both pressure pieces 144, 146, the locking device 152 is completely dissolved, so that the evading element 124, as in Fig. 9 shown, can pivot laterally, whereby the ball chain 122 evades laterally in the free space 130 as a result of the bevel gear-like design of the guide elements 142 and is released from engagement with the drive device.
  • the ball chain 122 is abruptly force-free and there is no danger that a person can injure, for example, has manipulated and has caught in the loop of the ball chain 122.
  • the evading element is formed as a coaxial bevel gear to the drive gear formed as a bevel gear.
  • the evading element is then mounted in accordance with axially resilient, so that in case of too high a load on the ball chain, the two bevel gears can axially move away from each other, so that between them a gap is released, through which the ball chain can slip out of the drive device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
EP11004394.0A 2011-05-28 2011-05-28 Dispositif d'entraînement pour le réglage d'installations de protection solaire Not-in-force EP2530234B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11004394.0A EP2530234B1 (fr) 2011-05-28 2011-05-28 Dispositif d'entraînement pour le réglage d'installations de protection solaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11004394.0A EP2530234B1 (fr) 2011-05-28 2011-05-28 Dispositif d'entraînement pour le réglage d'installations de protection solaire

Publications (2)

Publication Number Publication Date
EP2530234A1 true EP2530234A1 (fr) 2012-12-05
EP2530234B1 EP2530234B1 (fr) 2015-08-19

Family

ID=44587589

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11004394.0A Not-in-force EP2530234B1 (fr) 2011-05-28 2011-05-28 Dispositif d'entraînement pour le réglage d'installations de protection solaire

Country Status (1)

Country Link
EP (1) EP2530234B1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20121292A1 (it) * 2012-07-25 2014-01-26 Pellini Spa Dispositivo per comandare l'azionamento di un gruppo di movimentazione di una tenda
DE102014003134A1 (de) * 2014-03-04 2015-09-10 Blöcker Zweigniederlassung der Hunter Douglas Holding GmbH & Co. KG Sicherheitsgetriebe für eine Vorhanganlage
EP3339557A1 (fr) * 2016-12-26 2018-06-27 Chen Tian Co., Ltd. Appareil de commande destiné à un store de fenêtre
GB2559796A (en) * 2017-02-20 2018-08-22 Uni Soleil Entpr Co Ltd Curtain control assembly with safety device for bead chain
EP3143232B1 (fr) 2014-05-16 2018-10-17 Forest Group Nederland B.V. Dispositif pour faire tourner l'arbre d'un store à rouleau
DE102017108950B4 (de) 2016-07-15 2019-02-07 Chen Tian Co., Ltd. Sicherheitsvorrichtung für ein Vorhangsteuergerät
US11297966B2 (en) * 2020-04-27 2022-04-12 Emeh, Inc. Privacy or cubicle curtain system and carrier thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29705188U1 (de) * 1997-03-21 1998-07-23 AEROLUX Produktions- und Handelsgesellschaft mbH, 22926 Ahrensburg Zugorgan für Jalousien, Rollos o.dgl.
EP0869254A1 (fr) 1997-04-02 1998-10-07 Hunter Douglas International Nv Système de commande séparable à cordon pour des couvertures rétractables d'ouvertures architectoniques
US20040112551A1 (en) * 2002-12-13 2004-06-17 Nien Made Enterprise Co., Ltd. Lift lock for blind
DE60201961T2 (de) 2001-12-17 2005-11-03 Hunter Douglas Industries B.V. Sicherungsvorrichtung für Schnur bearbeitendes Betätigungssystem

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29705188U1 (de) * 1997-03-21 1998-07-23 AEROLUX Produktions- und Handelsgesellschaft mbH, 22926 Ahrensburg Zugorgan für Jalousien, Rollos o.dgl.
EP0869254A1 (fr) 1997-04-02 1998-10-07 Hunter Douglas International Nv Système de commande séparable à cordon pour des couvertures rétractables d'ouvertures architectoniques
DE60201961T2 (de) 2001-12-17 2005-11-03 Hunter Douglas Industries B.V. Sicherungsvorrichtung für Schnur bearbeitendes Betätigungssystem
US20040112551A1 (en) * 2002-12-13 2004-06-17 Nien Made Enterprise Co., Ltd. Lift lock for blind

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20121292A1 (it) * 2012-07-25 2014-01-26 Pellini Spa Dispositivo per comandare l'azionamento di un gruppo di movimentazione di una tenda
WO2014016856A1 (fr) * 2012-07-25 2014-01-30 Pellini S.P.A. Dispositif pour commander l'actionnement d'un groupe pour déplacer un rideau/store
JP2015522733A (ja) * 2012-07-25 2015-08-06 ペリーニ エス．ピー．エイ．Ｐｅｌｌｉｎｉ Ｓ．Ｐ．Ａ． カーテン／日除けを移動するための一群の部材を操作する制御用の装置
US9359815B2 (en) 2012-07-25 2016-06-07 Pellini S.P.A. Device for controlling the actuation of a group for moving a curtain/awning
AU2013294586B2 (en) * 2012-07-25 2017-02-02 Pellini S.P.A. Device for controlling the actuation of a group for moving a curtain/awning
DE102014003134A1 (de) * 2014-03-04 2015-09-10 Blöcker Zweigniederlassung der Hunter Douglas Holding GmbH & Co. KG Sicherheitsgetriebe für eine Vorhanganlage
DE102014003134B4 (de) * 2014-03-04 2016-07-14 Blöcker Zweigniederlassung der Hunter Douglas Holding GmbH & Co. KG Sicherheitsgetriebe für eine Vorhanganlage
EP3143232B1 (fr) 2014-05-16 2018-10-17 Forest Group Nederland B.V. Dispositif pour faire tourner l'arbre d'un store à rouleau
DE102017108950B4 (de) 2016-07-15 2019-02-07 Chen Tian Co., Ltd. Sicherheitsvorrichtung für ein Vorhangsteuergerät
EP3339557A1 (fr) * 2016-12-26 2018-06-27 Chen Tian Co., Ltd. Appareil de commande destiné à un store de fenêtre
GB2559796A (en) * 2017-02-20 2018-08-22 Uni Soleil Entpr Co Ltd Curtain control assembly with safety device for bead chain
US11297966B2 (en) * 2020-04-27 2022-04-12 Emeh, Inc. Privacy or cubicle curtain system and carrier thereof

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Publication number Publication date
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