EP2191089B1 - Actuating mechanism for a pivotably mounted actuating arm - Google Patents

Actuating mechanism for a pivotably mounted actuating arm Download PDF

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Publication number
EP2191089B1
EP2191089B1 EP08799925A EP08799925A EP2191089B1 EP 2191089 B1 EP2191089 B1 EP 2191089B1 EP 08799925 A EP08799925 A EP 08799925A EP 08799925 A EP08799925 A EP 08799925A EP 2191089 B1 EP2191089 B1 EP 2191089B1
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EP
European Patent Office
Prior art keywords
actuating arm
actuating
flap
rotation
actuating mechanism
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Application number
EP08799925A
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German (de)
French (fr)
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EP2191089A1 (en
Inventor
Simon Gassner
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Julius Blum GmbH
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Julius Blum GmbH
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/1041—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis
    • E05F1/105—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a compression spring
    • E05F1/1058—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a compression spring for counterbalancing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/605—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for folding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/63—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by swinging arms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/60—Suspension or transmission members; Accessories therefore
    • E05Y2201/606—Accessories therefore
    • E05Y2201/618—Transmission ratio variation
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/60—Suspension or transmission members; Accessories therefore
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/638—Cams; Ramps
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20—Combinations of elements
    • E05Y2800/21—Combinations of elements of identical elements, e.g. of identical compression springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20—Combinations of elements
    • E05Y2800/23—Combinations of elements of elements of different categories
    • E05Y2800/238—Combinations of elements of elements of different categories of springs and transmissions
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20—Combinations of elements
    • E05Y2800/242—Combinations of elements arranged in parallel relationship
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furnitures, e.g. cabinets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20207—Multiple controlling elements for single controlled element
    • Y10T74/20341—Power elements as controlling elements

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Transmission Devices (AREA)

Description

Die vorliegende Erfindung bezieht sich auf einen Stellmechanismus für einen schwenkbar gelagerten Stellarm, insbesondere zum Antrieb einer Klappe eines Möbels, wobei der Stellarm durch eine Federvorrichtung beaufschlagt ist, welche sich im montierten Zustand des Stellmechanismus an einem möbelfesten Bauteil abstützt und den Stellarm um eine Drehachse in Öffnurigsrichtung der Klappe beaufschlagt., wobei ein federbelasteter Zwischenhebel über eine Druckrolle und eine Steuerkurve den Stellarm verschwenkt und wobei ein elektrischer Antrieb über einen Übersetzungsmechanismus auf den Stellarm wirkt.The present invention relates to an actuating mechanism for a pivotally mounted actuating arm, in particular for driving a flap of a piece of furniture, wherein the actuating arm is acted upon by a spring device, which is supported in the mounted state of the adjusting mechanism on a möbelfesten component and the actuating arm about an axis of rotation in Öffnurigsrichtung the flap acted upon, wherein a spring-loaded intermediate lever pivoted about a pressure roller and a control cam, the actuating arm and wherein an electric drive via a translation mechanism acts on the actuating arm.

Im Weiteren betrifft die Erfindung ein Möbel mit einem Stellmechanismus der zu beschreibenden Art.Furthermore, the invention relates to a piece of furniture with an actuating mechanism of the kind to be described.

Derartige Stellmechanismen werden zum Antrieb von Möbelklappen verwendet, um diese von der Schließstellung In die vollständige Offenstellung bzw. in die umgekehrte Richtung zu bewegen. Der Stellarm ist durch eine Federvorrichtung beaufschlagbar, die zum Gewichtsausgleich der Klappe dient. Darüber hinaus ist es bekannt, zusätzlich zur beaufschlagenden Federvorrichtung einen elektrischen Antrieb bereitzustellen, der zur Unterstützung der Klappenbewegung dient (z.B. WO 2006/099645 A1 welches Dokument alle Merkmale des Oberbegriffs des Anspruchs 1 offenbart ). Die hierfür verwendeten Gleichstrommotoren arbeiten oft mit einer im Wesentlichen konstanten Drehzahl bei relativ geringem Drehmoment. Die Federvorrichtung beaufschlagt die Klappe in der Schließstellung üblicherweise mit einer Zuhaltekraft, deren Überwindung in Richtung Offenstellung ein relativ hohes Drehmoment des elektrischen Antriebes erforderlich macht.Such adjusting mechanisms are used to drive furniture flaps to move them from the closed position to the fully open position or in the reverse direction. The actuator arm can be acted upon by a spring device which serves to balance the weight of the flap. In addition, it is known to provide an electrical drive in addition to the acting spring device, which serves to support the flap movement (eg WO 2006/099645 A1 which document discloses all features of the preamble of claim 1). The DC motors used for this purpose often work with a substantially constant speed at relatively low torque. The spring device usually acts on the flap in the closed position with a locking force whose overcoming in the direction of the open position necessitates a relatively high torque of the electric drive.

In der prioritätsälteren, jedoch nachveröffentlichten DE 20 2007 006 690 U1 ist ein Klappenbeschlag mit einem Übersetzungsmechanismus beschrieben, durch den das Übersetzungsverhältnis zwischen Motordrehwinkel und Stellarmdrehwinkel über den Stellarmdrehwinkelbereich variiert. Die Verschwenkung des Stellarmes erfolgt dabei über ein reines Hebelwerk mit sieben Gelenkachsen. Die Verschwenkung über eine Druckrolle und über eine Steuerkurve ist diesem Dokument nicht zu entnehmen.In the earlier priority, but post-published DE 20 2007 006 690 U1 a flap fitting is described with a translation mechanism by which the ratio between motor rotation angle and Stellarmdrehwinkel varies over the Stellarmdrehwinkelbereich. The pivoting of the actuator arm takes place via a pure lever mechanism with seven hinge axes. The pivoting over a pressure roller and a cam is not apparent from this document.

Aufgabe der Erfindung ist es daher, einen Stellmechanismus der eingangs erwähnten Gattung mit einer verbesserten Kinematik anzugeben, der darüber hinaus mit einer geringen Motorleistung auskommt.The object of the invention is therefore to provide an actuating mechanism of the type mentioned with improved kinematics, which also manages with a low engine power.

Dies wird erfindungsgemäß in einer vorteilhaften Ausgestaltung dadurch erreicht, dass durch den Übersetzungsmechanismus das Übersetzungsverhältnis zwischen Motordrehwinkel und Stellarmdrehwinkel über den Stellarmdrehwinkelbereich variiert, wobei der Übersetzungsmechanismus wenigstens eine Kniehebelanordnung aufweist.This is inventively achieved in an advantageous embodiment that varies by the transmission mechanism, the ratio between motor rotation angle and Stellarmdrehwinkel on the Stellarmdrehwinkelbereich, wherein the translation mechanism has at least one toggle lever assembly.

Auf diese Weise kann eine Stellbewegung mit einer vorteilhaften kinematischen Charakteristik ermöglicht werden, die - ausgehend von der vollständigen Schließstellung der Klappe - eine deutliche Verringerung des erforderlichen Drehmomentes ermöglicht, wobei die von der vollständigen Schließstellung der Klappe ausgehende Anfangsbewegung relativ langsam erfolgen kann. Durch die Verringerung des erforderlichen Drehmomentes können leistungsschwächere und kleinere Motoren mit geringer Geräuschentwicklung eingesetzt werden, wodurch aufgrund des geringen Platzbedarfs mehr konstruktive Freiräume verbleiben. Ein gewünschter Nebeneffekt besteht darin, dass ein Benutzer bei einer entsprechenden Betätigung des elektrischen Antriebs die anfänglich verlangsamte Öffnungsbewegung durchaus als angenehm empfindet, sodass sich der Benutzer auf die stattfindende Öffnungsbewegung der Klappe einstellen kann, ohne dass hierbei die Initialbewegung zu rasch erfolgt. Hierbei kann zusätzlich das Risiko von Verletzungen reduziert werden.In this way, an actuating movement can be made possible with an advantageous kinematic characteristic, which - starting from the complete closed position of the flap - allows a significant reduction of the required torque, the emanating from the full closed position of the flap initial movement can be relatively slow. By reducing the torque required lower power and smaller engines can be used with low noise, which remain more design freedom due to the small footprint. A desired side effect is that a user with a corresponding operation of the electric drive feels the initially slowed opening movement quite pleasant, so that the user can adjust to the current opening movement of the flap, without in this case the initial movement is too fast. In addition, the risk of injury can be reduced.

Gemäß einem Ausführungsbeispiel der Erfindung kann vorgesehen sein, dass der Übersetzungsmechanismus derart ausgebildet ist, dass die Schwenkbewegung des Stellarmes nahe den beiden Endlagen der Klappe mit erhöhtem Übersetzungsverhältnis erfolgt, wobei zwischen diesen beiden Endlagenbereichen eine Schwenkbewegung der Klappe mit niedrigerem Übersetzungsverhältnis erfolgt, d.h., dass sich die Klappe über einen Großteil des gesamten Drehwinkelbereiches relativ rasch bewegt.According to one embodiment of the invention can be provided that the translation mechanism is designed such that the pivoting movement of the actuating arm takes place near the two end positions of the flap with increased gear ratio, between these two Endlagenbereichen a pivotal movement of the valve with a lower gear ratio, ie, that the flap relatively quickly moved over a large part of the entire rotation angle range.

Günstigerweise kann vorgesehen sein, dass die Federvorrichtung den Stellarm dermaßen beaufschlagt, dass die Klappe im Wesentlichen in jeder Schwenkstellung entgegen der Schwerkraft gehalten ist. Die Federvorrichtung umfasst daher zweckmäßigerweise eine Einstellvorrichtung, durch die das auf den Stellarm wirkende Drehmoment veränderbar ist.Conveniently, it can be provided that the spring device acts on the actuating arm to such an extent that the flap is essentially held against gravity in each pivoting position. The spring device therefore comprises expediently an adjusting device, by which the torque acting on the actuating arm is variable.

Um die Zuhaltekraft der Klappe in der Schließstellung zu ermöglichen, wird die Klappe nahe der Schließstellung ab einem Öffnungswinkei unter 20°, vorzugsweise unter 10°, von der Federvorrichtung in die Schließstellung gedrückt. Die Klappe ist vorzugsweise um eine horizontale Achse schwenkbar und nimmt in der Schließstellung eine vertikale Position ein. Selbstverständlich sind im Zusammenhang mit dem Aspekt der vorliegenden Erfindung aber auch Klappen bzw. Türen bewegbar, die um eine vertikale Achse verschwenkbar sind.In order to enable the locking force of the flap in the closed position, the flap is pressed near the closed position from a Öffnungswinkei below 20 °, preferably below 10 °, of the spring device in the closed position. The flap is preferably pivotable about a horizontal axis and occupies a vertical position in the closed position. Of course, in connection with the aspect of the present invention, but also flaps or doors are movable, which are pivotable about a vertical axis.

Die Kniehebelanordnung umfasst wenigstens zwei gelenkig verbundene Hebel, vorzugsweise unterschiedlicher Länge, wobei der elektrische Antrieb am freien Ende des kürzeren Hebels an einem ortsfesten Drehpunkt angreifen kann.The toggle lever arrangement comprises at least two articulated levers, preferably of different lengths, wherein the electric drive can engage at the free end of the shorter lever at a fixed pivot point.

Gemäß einem weiteren Ausführungsbeispiel der Erfindung kann vorgesehen sein, dass der elektrische Antrieb nicht am Hauptdrehpunkt des Stellarmes angreift, sondern dazu exzentrisch angeordnet ist. Durch die versetzte Anordnung des Hauptdrehpunktes des Stellarms zur motorisch anzutreibenden Achse des Übersetzungsmechanismus ergibt sich eine verbesserte Hebelgeometrie, die eine deutliche Reduzierung des Klappenöffnungsmomentes herbeiführt.According to a further embodiment of the invention can be provided that the electric drive does not attack the main pivot point of the actuating arm, but is arranged eccentrically. Due to the staggered arrangement of the main pivot point of the actuating arm to be driven by the motor axis of the transmission mechanism results in an improved lever geometry, which causes a significant reduction of the valve opening torque.

Weitere Einzelheiten und Vorteile der Erfindung werden anhand der nachfolgenden Figurenbeschreibung erläutert. Dabei zeigt bzw. zeigen:

Fig. 1
eine perspektivische Darstellung eines Möbels mit einem Stellmechanismus für eine hochbewegbare Klappe,
Fig. 2
eine Seitenansicht eines beispielhaften Stellmechanismus, wobei sich der Stellarm in der Schließstellung befindet,
Fig. 3
das Ausführungsbeispiel gemäß Fig. 2 mit dem Stellarm in einer leichten Offenstellung,
Fig. 4
der Stellmechanismus mit dem Stellarm in einer weiteren Offenstellung,
Fig. 5
den Stellmechanismus mit dem Stellarm in der vollständigen Offenstellung,
Fig. 6a-6d
eine Übersicht von verschiedenen Motordrehwinkeln und den daraus resultierenden Stellarmutinkeln, und
Fig. 7a, 7b
eine perspektivische Darstellung des Stellmechanismus sowie eine vergrößert Detaildarstellung hierzu.
Further details and advantages of the invention will be explained with reference to the following description of the figures. It shows or show:
Fig. 1
a perspective view of a piece of furniture with a locking mechanism for a highly movable flap,
Fig. 2
a side view of an exemplary actuating mechanism, wherein the actuating arm is in the closed position,
Fig. 3
the embodiment according to Fig. 2 with the actuator arm in a slight open position,
Fig. 4
the adjusting mechanism with the actuating arm in a further open position,
Fig. 5
the adjusting mechanism with the actuating arm in the fully open position,
Fig. 6a-6d
an overview of different motor rotation angles and the resulting Stellarmutinkeln, and
Fig. 7a, 7b
a perspective view of the actuating mechanism and an enlarged detail view this.

Fig. 1 zeigt ein schrankförmiges Möbel 1 in einer perspektivischen Hinteransicht, das insbesondere als Oberschrank in Küchen Verwendung finden kann. Das Möbel 1 umfasst einen Möbelkorpus 2, wobei an der Innenseite der beiden vertikalen Seitenwände je ein erfindungsgemäßer Stellmechanismus 3 befestigt ist. Der Stellmechanismus 3 umfasst einen schwenkbar gelagerten Stellarm 9, der an seinem anderen Ende gelenkig mit der Klappe 4 in Verbindung steht. Durch den Stellarm 9 kann die Klappe 4 in Form der beiden Teilklappen 4a, 4b von der Schließ- in eine Offenstellung bzw. in die umgekehrte Richtung bewegt werden. Die Teilklappen 4a, 4b bilden in der Schließstellung im Wesentlichen eine vertikale Ebene, beim Öffnungsvorgang klappen die Teilklappen 4a, 4b zusammen und nehmen einen spitzen Winkel zueinander ein. Fig. 1 shows a cabinet-shaped furniture 1 in a perspective rear view, which can be used in particular as a wall unit in kitchens. The furniture 1 comprises a furniture body 2, wherein on the inside of the two vertical side walls depending on an actuating mechanism 3 according to the invention is attached. The adjusting mechanism 3 comprises a pivotally mounted actuating arm 9, which is pivotally connected at its other end to the flap 4. By the actuator arm 9, the flap 4 in the form of two partial flaps 4 a, 4 b from the closing in a Open position or be moved in the opposite direction. The partial flaps 4 a, 4 b essentially form a vertical plane in the closed position; during the opening process, the partial flaps 4 a, 4 b fold together and occupy an acute angle to one another.

Fig. 2 zeigt in einer Seitenansicht ein Ausführungsbeispiel eines erfindungsgemäßen Stellmechanismus 3. Zum Gewichtsausgleich der hier nicht dargestellten Klappe 4 ist eine Federvorrichtung 5 vorgesehen, die mehrere parallel geschaltete Druckfedern umfasst. Die Federvorrichtung 5 beaufschlagt einen um den Drehpunkt S schwenkbaren Zwischenhebel 6, wobei der Angriffspunkt 7 der Federvorrichtung 5 am Zwischenhebel 6 über eine Einstellvorrichtung 8 verschiebbar ist. Auf diese Weise ist der Abstand des Angriffspunktes 7 der Federvorrichtung 5 relativ zum Drehpunkt S des Zwischenhebels 6 veränderbar, sodass das auf den Stellarm 9 wirkende Drehmoment zur selektiven Anpassung von verschiedenen Gewichten der Klappe 4 einstellbar ist. An einem Ende des Stellarmes 9 ist eine um den Drehpunkt P schwenkbare Steuernocke 10 mit einer Steuerkurve 10a angeordnet oder ausgebildet, wobei während der Schwenkbewegung des Stellarmes 9 eine am Zwischenhebel 6 gelagerte Druckrolle 15 an der Steuerkurve 10a der Steuernocke 10 ablaufen kann. Der Drehpunkt P bildet somit den Hauptdrehpunkt des Stellarmes 9. Zur Befestigung des Stellarmes 9 an der Klappe 4 ist eine lösbare Befestigungsvorrichtung 12 vorgesehen, die mit einem klappenseitigen Beschlagteil verrastbar ist. Die linear bewegliche Federvorrichtung 5 stützt sich im montierten Zustand des Stellmechanismus 3 an einem möbelfesten Bauteil 17 ab und beaufschlagt den Stellarm 9 um die Drehachse P in Öffnungsrichtung der Klappe 4. Der möbelfeste Bauteil 17 ist im gezeigten Ausführungsbeispiel an einem Teil des Gehäuses 18 angeordnet. Der möbelfeste Bauteil 17 bildet eine am Gehäuse 18 angeordnete Schwenkachse für die Federvorrichtung 5. Fig. 2 shows a side view of an embodiment of an adjusting mechanism 3 according to the invention for weight balance of the flap 4, not shown here, a spring device 5 is provided which comprises a plurality of parallel-connected compression springs. The spring device 5 acts on a pivotable about the pivot point S intermediate lever 6, wherein the point 7 of the spring device 5 on the intermediate lever 6 via an adjusting device 8 is displaceable. In this way, the distance of the point 7 of the spring device 5 relative to the pivot point S of the intermediate lever 6 is variable, so that the force acting on the actuator arm 9 for selective adjustment of different weights of the flap 4 is adjustable. At one end of the actuating arm 9 a pivotable about the pivot point P control cam 10 is arranged or formed with a control cam 10a, wherein during the pivotal movement of the actuating arm 9 mounted on the intermediate lever 6 pressure roller 15 can run on the control cam 10a of the control cam 10. The pivot point P thus forms the main fulcrum of the actuating arm 9. To attach the actuating arm 9 to the flap 4, a releasable fastening device 12 is provided which can be latched with a flap-side fitting part. The linearly movable spring device 5 is supported in the assembled state of the adjusting mechanism 3 on a möbelfesten member 17 and acts on the actuating arm 9 about the axis of rotation P in the opening direction of the flap 4. The möbelfeste member 17 is disposed in the embodiment shown on a portion of the housing 18. The furniture-proof component 17 forms a pivot axis arranged on the housing 18 for the spring device 5.

Zur Realisierung eines variablen Übersetzungsverhältnisses von Motordrehwinkel zu Stellarmdrehwinkel ist ein Übersetzungsmechanismus 13 in Form einer Kniehebelanordnung vorgesehen. Die Kniehebelanordnung umfasst gezeigten Ausführungsbeispiel zwei miteinander gelenkig verbundene Hebel 14a, 14b unterschiedlicher Länge, wobei der kürzere Hebel 14b exzentrisch zum Drehpunkt P an einem an der Steuernocke 10 angeordneten Drehpunkt M gelagert ist. Das freie Ende des längeren Hebels 14a ist mit dem klappenabgewandten Ende des Stellarmes 9 gelenkig verbunden. Der längere Hebel 14a weist wenigstens die doppelte bis dreifache Länge des kürzeren Hebels 14b auf. Der Stellarm 9 befindet sich in der gezeigten Figur in einer Position, die im Wesentlichen der vollständigen Schließstellung der Klappe 4 entspricht.To realize a variable transmission ratio of motor rotation angle to Stellarmdrehwinkel a translation mechanism 13 is provided in the form of a toggle lever assembly. The toggle lever assembly includes embodiment shown two mutually hingedly connected levers 14a, 14b of different lengths, wherein the shorter lever 14b is mounted eccentrically to the pivot point P at a arranged on the control cam 10 fulcrum M. The free end of the longer lever 14 a is with the hinged end facing away from the actuating arm 9 pivotally connected. The longer lever 14a has at least twice to three times the length of the shorter lever 14b. The actuator arm 9 is located in the figure shown in a position which substantially corresponds to the complete closed position of the flap 4.

Fig. 3 zeigt den Stellmechanismus 3 gemäß Fig. 2, wobei sich der Stellarm 9 nunmehr in einer geringfügigen Offenstellung befindet. Durch Aktivierung eines hier nicht dargestellten elektrischen Antriebes, der vorzugsweise direkt auf die Drehachse M der Kniehebelanordnung wirksam ist, wurde der Stellarm 9 in eine Offenstellung bewegt. Der elektrische Antrieb hat zunächst hierfür die von der Federvorrichtung 5 bereitgestellte Zuhaltekraft des Stellarmes 9 zu überwinden, wobei der Hebel 14b um die ortsfeste Drehachse M im Gegenuhrzeigersinn rotiert wird und zusammen mit dem zwangsgeführten längeren Hebel 14a eine relativ geringe Verschwenkbewegung des Stellarmes 9 bei konstanter Motordrehzahl herbeiführt. Die rotative Bewegbarkeit des Hebels 14b liegt zwischen 0° und 200°, vorzugsweise zwischen 0° und 250°. Die Federvorrichtung 5 ist günstigerweise so eingestellt, dass das Gewicht der Klappe 4 vollständig kompensiert ist, d.h., dass die Klappe 4 im Wesentlichen in jeder Schwenkstellung entgegen der Schwerkraft selbsttätig gehalten ist. Fig. 3 shows the adjusting mechanism 3 according to Fig. 2 , wherein the actuating arm 9 is now in a slight open position. By activating an electric drive, not shown here, which is preferably effective directly on the rotation axis M of the toggle lever arrangement, the actuating arm 9 has been moved into an open position. For this purpose, the electrical drive first has to overcome the locking force of the actuating arm 9 provided by the spring device 5, wherein the lever 14b is rotated counterclockwise about the stationary rotation axis M and, together with the forcibly guided longer lever 14a, a relatively small pivotal movement of the actuating arm 9 at a constant engine speed causes. The rotational mobility of the lever 14b is between 0 ° and 200 °, preferably between 0 ° and 250 °. The spring device 5 is suitably set so that the weight of the flap 4 is fully compensated, that is, that the flap 4 is held automatically in substantially any pivotal position against gravity.

Fig. 4 zeigt eine noch weiter geöffnete Schwenkposition des Stellarmes 9. Die Druckrolle 15 des Zwischenhebels 6 läuft an der Steuerkurve 10a der Steuernocke 10 ab, der Stellarm 9 dreht sich um die Drehachse P. Mit dem Bezugszeichen 16 ist allgemein ein elektrischer Antrieb bezeichnet, der auf die Drehachse M der Kniehebelanordnung wirkt. Infolge der sich ändernden Winkelstellung der beiden Hebel 14a, 14b zueinander wird eine gesteuerte Bewegung des Stellarmes 9 ermöglicht, wobei sich in diesem Bereich (nach dem Durchlauf der unteren Totpunktlage der Kniehebelanordnung) der Abstand der beiden freien Enden der beiden Hebel 14a, 14b bei gleich bleibender Motordrehzahl rascher vergrößert, wodurch eine entsprechend schnellere Öffnungsbewegung der Klappe 4 herbeigeführt wird. Fig. 4 shows an even more open pivotal position of the actuating arm 9. The pressure roller 15 of the intermediate lever 6 terminates at the control cam 10a of the control cam 10, the actuator arm 9 rotates about the axis of rotation P. The reference numeral 16 is generally an electric drive referred to on the Rotary axis M of the toggle lever arrangement acts. As a result of the changing angular position of the two levers 14a, 14b to each other a controlled movement of the actuating arm 9 is possible, in this area (after passing the bottom dead center of the toggle lever assembly), the distance between the two free ends of the two levers 14a, 14b at the same remaining engine speed increases faster, whereby a correspondingly faster opening movement of the flap 4 is brought about.

Fig. 5 zeigt den erfindungsgemäßen Stellmechanismus 3, wobei sich der Stellarm 9 in einer Position befindet, die im Wesentlichen der vollständigen Offenstellung der Klappe 4 entspricht. Im Bereich des letzten Öffnungsweges erfolgt wiederum eine verlangsamte Bewegung des Stellarmes 9, da sich der Kniehebelanordnung (bei Annäherung an die obere Totpunktlage) nur mehr geringfügig ausdehnen kann. Der fast gestreckte Kniehebel 14a, 14b kann sehr große Kräfte in Längsrichtung übertragen. Es ist jedoch zu beachten, dass der Kniehebel 14a, 14b vorzugsweise nicht in die vollständig gestreckte Stellung gelangen kann. Durch die Federvorrichtung 5 wird das Gewicht der Klappe vollständig kompensiert, sodass der elektrische Antrieb 16 nur über einen begrenzten Drehwinkelbereich (beispielsweise zwischen 0° und 30°) wirksam sein kann, sodass die Klappe im Anschluss daran ohne weitere Motorunterstützung und vorzugsweise nur durch die auf den Stellarm 9 wirkende Federvorrichtung 5 in die jeweiligen Endlagen bewegbar ist. Fig. 5 shows the adjusting mechanism 3 according to the invention, wherein the actuating arm 9 is in a position which corresponds substantially to the full open position of the flap 4. In the region of the last opening path, in turn, a slowed movement of the actuating arm 9 takes place, since the toggle lever arrangement can only slightly expand (when approaching the top dead center position). Of the almost stretched toggle levers 14a, 14b can transmit very large forces in the longitudinal direction. It should be noted, however, that the toggle lever 14a, 14b preferably can not reach the fully extended position. By the spring device 5, the weight of the flap is fully compensated, so that the electric drive 16 only over a limited rotation angle range (for example, between 0 ° and 30 °) can be effective, so that the flap subsequently without further engine assistance and preferably only on the actuator arm 9 acting spring device 5 is movable in the respective end positions.

Fig. 6a bis 6d veranschaulichen in einer Übersicht verschiedene Motordrehwinkel α und dem daraus resultierenden Stellarmdrehwinkel β. In den gezeigten Figuren ist jeweils eine 0°-Achse dargestellt, die mit der Ausrichtung des kürzeren Hebels 14b in der Schließstellung des Stellarmes 9 korrespondiert. Diese Ausgangssituation ist in Fig. 6a dargestellt, wobei der Stellarm 9 in der Schließstellung im Wesentlichen entlang der Vertikalachse V verläuft. In Fig. 6b wurde der rotierbare kürzere Hebel 14b vom hier nicht dargestellten motorischen Antrieb 16 um den Motordrehwinkel α im Gegenuhrzeigersinn verschwenkt, was zu einer zwangsgeführten Verschwenkung des Stellarmes 9 um den Stellarmwinkel β führt. In Fig. 6c ist eine weitere Offenstellung des Stellarmes 9 gezeigt, ein von Fig. 6b vergrößerter Motordrehwinkel α führt zu einem entsprechenden Stellarmwinkel β. In Fig. 6d ist die vollständige Offenstellung des Stellarmes 9 gezeigt, wobei der maximale Motordrehwinkel α und der sich daraus ergebende Stellarmdrehwinkel β ergibt. Der Stellarmdrehwinkel β gemäß Fig. 6d entspricht somit dem gesamten Stellarmdrehwinkelbereich. Fig. 6a to 6d illustrate in an overview different motor rotation angle α and the resulting Stellarmdrehwinkel β. In the figures shown, in each case a 0 ° -axis is shown, which corresponds to the orientation of the shorter lever 14b in the closed position of the actuating arm 9. This starting situation is in Fig. 6a illustrated, wherein the actuating arm 9 extends in the closed position substantially along the vertical axis V. In Fig. 6b was the rotatable shorter lever 14b pivoted by the motor drive 16, not shown here by the motor rotation angle α in the counterclockwise direction, resulting in a positively driven pivoting of the actuator arm 9 by the Stellarmwinkel β. In Fig. 6c is another open position of the actuator arm 9 is shown, one of Fig. 6b increased motor rotation angle α leads to a corresponding Stellarmwinkel β. In Fig. 6d the complete open position of the actuator arm 9 is shown, wherein the maximum motor rotation angle α and the resulting Stellarmdrehwinkel β results. The Stellarmdrehwinkel β according to Fig. 6d thus corresponds to the entire Stellarmdrehwinkelbereich.

Fig. 7a zeigt eine perspektivische Darstellung des erfindungsgemäßen Stellmechanismus 3. Die Federvorrichtung 5 beaufschlagt den an der Drehachse S schwenkbar gelagerten Zwischenhebel 6, der wiederum über eine Druckrolle 15 an der Steuerkurve 10a der Steuernocke 10 ablaufen kann. Die Steuernocke 10 ist am Stellarm 9 angeordnet und dreht sich um den Drehpunkt P. Der Kniehebel mit den beiden Hebeln 14a, 14b bildet den Übersetzungsmechanismus für eine variable Bewegungscharakteristik des Stellarmes 9. Ein hier nicht dargestellter elektrischer Antrieb 16 greift am Drehpunkt M an, der koaxial zum Drehpunkt des kürzeren Hebels 14b angeordnet ist. Zum Dämpfen der letzten Öffnungsbewegung des Stellarmes 9 ist eine Dämpfvorrichtung 17 in Form eines Lineardämpfers angeordnet, die durch einen hier nicht dargestellten Anschlag der Steuernocke 10 bei Annäherung an die obere Endlage beaufschlagbar ist. In Fig. 7b ist der in Fig. 7a eingekreiste Bereich in einem vergrößerten Maßstab gezeigt. Fig. 7a shows a perspective view of the adjusting mechanism according to the invention 3. The spring device 5 acts on the pivotally mounted on the axis of rotation S intermediate lever 6, which in turn can run on a pressure roller 15 on the control cam 10a of the control cam 10. The control cam 10 is disposed on the actuating arm 9 and rotates about the pivot point P. The toggle lever with the two levers 14a, 14b forms the transmission mechanism for a variable motion characteristic of the actuating arm 9. An electric drive 16, not shown, engages the pivot point M, the is arranged coaxially with the pivot point of the shorter lever 14b. To damp the last opening movement of the actuating arm 9, a damping device 17 is arranged in the form of a linear damper, which by a stop, not shown here, the control cam 10 when approaching the upper End position can be acted upon. In Fig. 7b is the in Fig. 7a circled area shown on an enlarged scale.

Die vorliegende Erfindung beschränkt sich nicht auf das gezeigte Ausführungsbeispiel, sondern umfasst bzw. erstreckt sich auf alle Varianten und technischen Äquivalente, die in die Reichweite der nachfolgenden Ansprüche fallen können. Auch sind die in der Beschreibung gewählten Lageangaben, wie z.B. oben, unten, seitlich, usw. auf die übliche Einbaulage des Stellmechanismus 3 bzw. auf die unmittelbar beschriebene sowie dargestellte Figur bezogen und sind bei einer Lageänderung sinngemäß auf die neue Lage zu übertragen. Unter "Federvorrichtungen" seien im Zusammenhang mit der vorliegenden Erfindung nicht nur Federvorrichtungen 5 mit mechanischen Federelementen, sondern auch alle anderen bekannten Kraftspeicher, wie Gasdruckspeicher oder ähnliche verstanden.The present invention is not limited to the embodiment shown, but includes all variants and technical equivalents that may fall within the scope of the following claims. Also, the location information chosen in the description, such as top, bottom, side, etc. based on the usual installation position of the adjusting mechanism 3 and on the immediately described and illustrated figure and are to be transferred to a new position analogously to a change in position. In the context of the present invention, "spring devices" are understood to mean not only spring devices 5 with mechanical spring elements, but also all other known energy accumulators, such as gas pressure accumulators or the like.

Claims (12)

  1. An actuating mechanism (3) comprising a pivotably mounted actuating arm (9), in particular for driving a flap (4) of an item of furniture (1), wherein the actuating arm (9) is acted upon by a spring device (5) of the actuating mechanism (3), the spring device (5), in the assembled state of the actuating mechanism (3), is supported against a component (17) which is fixed to the item of furniture, and acts upon the actuating arm (9) about an axis of rotation (P) in the direction of opening of the flap (4), wherein an intermediate lever (6) of the actuating mechanism (3) is acted upon by the spring device (5) and pivots the actuating arm (9) via a control curve (10a) and a pressure roller (15) which runs along the control curve (10a), and wherein an electric drive (16) of the actuating mechanism (3) acts upon the actuating arm (9) via a transmission mechanism (13), characterized in that the transmission mechanism (13) alters the transmission ratio between the angle of rotation (α) of the motor and the angle of rotation (β) of the actuating arm across the rotation angle range of the actuating arm (9), wherein the transmission mechanism (13) comprises at least one knee lever arrangement with at least two hingedly connected levers (14a, 14b) of different lengths, wherein an angle of rotation (α) of the motor of 0° corresponds with the alignment of the shorter lever (14b) in the closed position of the actuating arm (9) and the maximum angle of rotation (α) of the motor corresponds with the alignment of the shorter lever (14b) in the fully open position of the actuating arm (9).
  2. The actuating mechanism according to claim 1, characterized in that the electric drive (16) engages at the free end of the shorter lever (14b) at a centre of rotation (M).
  3. The actuating mechanism according to claim 2, characterized in that the centre of rotation (M) of the shorter lever (14b) is arranged offset relative to the centre of rotation (P) of the actuating arm (9).
  4. The actuating mechanism according to one of the claims 1 to 3, characterized in that the longer lever (14a) of the knee lever arrangement engages in the region of the end of the actuating arm (9) which is remote from the flap.
  5. The actuating mechanism according to one of the claims 1 to 4, characterized in that the spring device (5) acts upon the actuating arm (9) in such a manner that the flap (4) is substantially held in any pivot position against the force of gravity.
  6. The actuating mechanism according to one of the claims 1 to 5, characterized in that the spring device (5) acts upon the actuating arm (9) in such a manner that that the flap (4), when being near to the closed position, is forced into the closed position.
  7. The actuating mechanism according to claim 6, characterized in that the spring device (5) acts upon the actuating arm (9) in such a manner that the flap (4), from an opening angle of less than 20°, preferably of less than 10°, is forced into the closed position.
  8. The actuating mechanism according to one of the claims 1 to 7, characterized in that the spring device (5) has an adjustment device (8) by means of which the torque acting upon the actuating arm (9) can be altered.
  9. The actuating mechanism according to one of the claims 1 to 8, characterized in that the intermediate lever (6) is, on the one hand, acted upon by the spring device (5) and, on the other hand, rests by way of the pressure roller (15) against the control curve (10a) of a control cam (10) formed or arranged on the actuating arm (9).
  10. The actuating mechanism according to claim 9, characterized in that the transmission mechanism (13) engages the control cam (10) at a centre of rotation (M) which is preferably arranged eccentrically relative to the axis of rotation (P) of the actuating arm (9).
  11. The actuating mechanism according to one of the claims 1 to 10, characterized in that the rotation angle range of the actuating arm (9) is defined between an outer end position corresponding to an open flap (4) and an inner end position corresponding to the closed flap (4).
  12. An item of furniture having an actuating mechanism according to one of the claims 1 to 11.
EP08799925A 2007-09-28 2008-09-18 Actuating mechanism for a pivotably mounted actuating arm Active EP2191089B1 (en)

Applications Claiming Priority (2)

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AT0154207A AT505879A1 (en) 2007-09-28 2007-09-28 ADJUSTMENT MECHANISM FOR A SWIVELED STACKING ARM
PCT/AT2008/000336 WO2009039541A1 (en) 2007-09-28 2008-09-18 Actuating mechanism for a pivotably mounted actuating arm

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EP2191089A1 EP2191089A1 (en) 2010-06-02
EP2191089B1 true EP2191089B1 (en) 2012-12-05

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EP (1) EP2191089B1 (en)
JP (1) JP5379144B2 (en)
CN (1) CN101809245B (en)
AT (2) AT505879A1 (en)
WO (1) WO2009039541A1 (en)

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CN101809245A (en) 2010-08-18
WO2009039541A1 (en) 2009-04-02
AT13257U1 (en) 2013-09-15
US20100162847A1 (en) 2010-07-01
EP2191089A1 (en) 2010-06-02
JP5379144B2 (en) 2013-12-25
JP2010540801A (en) 2010-12-24
CN101809245B (en) 2013-04-17

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