EP2342409B1 - Retaining clip for an actuator of a furniture flap - Google Patents

Retaining clip for an actuator of a furniture flap Download PDF

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Publication number
EP2342409B1
EP2342409B1 EP09775627.4A EP09775627A EP2342409B1 EP 2342409 B1 EP2342409 B1 EP 2342409B1 EP 09775627 A EP09775627 A EP 09775627A EP 2342409 B1 EP2342409 B1 EP 2342409B1
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EP
European Patent Office
Prior art keywords
coupling portion
latching
actuating device
actuating
actuating arm
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
EP09775627.4A
Other languages
German (de)
French (fr)
Other versions
EP2342409A1 (en
Inventor
Christian Omann
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.)
Julius Blum GmbH
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Julius Blum GmbH
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Publication date
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Publication of EP2342409A1 publication Critical patent/EP2342409A1/en
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Publication of EP2342409B1 publication Critical patent/EP2342409B1/en
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Classifications

    • 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
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/40—Suspension arrangements for wings supported on arms movable in vertical planes
    • E05D15/401—Suspension arrangements for wings supported on arms movable in vertical planes specially adapted for overhead 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
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • 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
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/218—Holders
    • E05Y2201/22—Locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • 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 ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/71—Toothed gearing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20—Combinations of elements
    • E05Y2800/205—Combinations of elements forming a unit
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • 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 ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • 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 ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets

Definitions

  • the present invention relates to an actuator with at least one pivotally mounted actuating arm for moving a furniture flap, wherein the actuator arm is acted upon or acted upon by a spring device, and wherein a mounting fuse for the empty actuator arm, where no furniture flap is still mounted, is provided ,
  • the mounting fuse prevents unintentional opening or knocking out of the empty actuating arm and this has a movable over a shaft brake or locking device.
  • the invention relates to a piece of furniture with an actuator of the type to be described.
  • Such actuators serve, for example, to adjust a hinged hinged furniture arm furniture flap between a cabinet compartment in a furniture body closing vertical position and an upwardly moved open position.
  • a spring device or a gas pressure accumulator is provided, wherein the torque acting on the actuating arm can be selectively adjusted to the weight of the flap to be moved.
  • a very high torque is to provide biasing force for the actuator arm.
  • Object of the present invention is to propose an actuator with a mounting fuse of the type mentioned, which prevents uncontrolled opening or knocking out of the actuator arm even at very high biasing forces of the spring device acted upon.
  • a transmission gear is provided by which the pivoting speed of Stellarmes at least over a range of the pivoting path of the actuating arm in the opening direction is translatable to a higher rotational speed of the shaft.
  • the spring device acts on the actuating arm about an axis of rotation in the opening direction, so that when the flap is hinged, a sufficiently high torque is provided for balancing the flap.
  • the higher the force of the spring device acting on the actuating arm the greater the risk that the actuating arm with non-hinged flap - even if a brake or locking device is provided to prevent a rollover of the actuating arm - over a tolerable swivel range austhesis.
  • the arrangement of the transmission gear so that the reaction time of the brake or locking device can be reduced, since with an increase in the spring force (for example, when installing a spring device with increased standardized spring force) also faster braking or stopping the actuator arm takes place.
  • the invention can be implemented particularly advantageously with brake or latching devices which have a centrifugal clutch for braking or stopping the actuating arm.
  • the transmission gear is namely achieved that already causes a small pivoting of the spring-loaded actuating arm increased by a defined ratio rotational movement of the shaft.
  • Another beneficial effect in the arrangement of the transmission gear is that the brake or locking device does not have to directly compensate for the impinging massive torque of the actuator arm.
  • the transmission gear and the holding torque occurring in the brake or locking device is significantly reduced, so that the unit formed by the brake or locking device can be smaller and possibly also realized more cost-effectively. Due to the very limited space in actuators a braking or locking device with relatively small geometric dimensions is of particular advantage.
  • the transmission ratio (i) of the transmission gear is greater than 3, preferably greater than 5, is. This means, for example, that with a transmission ratio equal to 5, a pivotal movement of the actuating arm by 10 ° causes a rotational movement of the shaft (which is the brake). or latching device is assigned) by 50 ° result.
  • the desired higher transmission ratio is thus determined by the ratio between the rotational speed of the shaft and the pivoting speed of the actuator arm.
  • the transmission gear has a gear transmission.
  • a so-called pair of internal gears has proved to be particularly favorable, wherein a pinion mounted on the shaft meshes with an internal toothing of a ring gear or a toothed section.
  • the length of the toothed portion may correspond approximately to the length of the pivoting range of the actuating arm.
  • the toothed gear has a first toothed wheel which meshes with at least one second toothed wheel or toothing of different sizes.
  • the first gear of the shaft and the second gear or the toothing is associated with the housing of the actuator. It can be provided that during the pivotal movement of the actuating arm, the first gear along a, preferably arranged fixed to the housing of the actuator, toothing expires.
  • the transmission gear may also include constructions with a toothed belt or the like.
  • the centrifugal clutch provided for braking or stopping the actuating arm can have at least one movably mounted first coupling part which can be moved (also counter to the force of a spring) from a rest position into an outer position in which the first coupling part can be contacted with a second coupling part, is preferably latched. It is provided that below a predetermined pivoting speed of the actuating arm of the first coupling part and the second coupling part are decoupled from each other and that when exceeding a predetermined pivoting speed of the actuating arm of the first coupling part and the second coupling part are contacted with each other.
  • At least two first coupling parts can be provided which, after overcoming the mass moment of inertia (And optionally after overcoming a spring force) are contacted with a second coupling part.
  • the first coupling parts can be locking teeth (or locking recesses) or alternatively also provided with a friction lining.
  • the first coupling part has at least one latching tooth which can be latched with at least one latching recess arranged or formed on the second coupling part. It may also be advantageous if the (s) first coupling part (s) has a plurality of latching teeth and the second coupling part has a plurality of latching recesses.
  • the braking or locking device is arranged in or on a fixedly connected to the actuating arm control cam and moved with this.
  • the furniture according to the invention is characterized by at least one actuator of the type described.
  • Fig. 1 shows a perspective view of a cabinet-shaped piece of furniture 1 in a typical mounting situation.
  • an actuator 3 according to the invention is pre-assembled, which has at least one actuating arm 4 for moving a (not shown) highly movable furniture flap.
  • the actuating arm 4 is pivotally mounted about an axis of rotation R between a closed position as shown in the figure and an open position.
  • the actuating arm 4 is acted upon or acted upon by a spring device arranged in the housing 5, wherein the spring device acts on the actuating arm 4 about the axis of rotation R in the direction of the open position.
  • the spring device thus serves to balance the weight of the flap, wherein the actuating arm 4 - depending on the weight of the flap still to be taught - is biased with extremely high forces.
  • the actuator arm 4 can jump up in the direction of open position in an uncontrolled manner and thereby cause serious injury.
  • Fig. 2 shows the arrangement according to Fig. 1 , wherein the "empty" control arm 4 is locked immediately after exceeding a permissible Schenk für in the opening direction in its current pivot position.
  • the actuating arm 4 is variable in length and has a connecting part 6 which can be latched with a fitting part associated with the furniture flap.
  • Fig. 3a shows a side view of the actuator 3.
  • Recognizable is a spring device 7 in the form of a spring assembly, which is supported on the one hand on a furniture fixed part 8 on the housing 5 and on the other hand acted upon a pivotable about an axis S intermediate lever 9.
  • an adjusting device 10 is provided, whereby the position of the spring bearing 11 is adjustable relative to the rotation axis S variable.
  • a pressure roller 12 is mounted, which can take place during the pivotal movement of the actuating arm 4 under pressure of the spring device 7 along a control arm 4 associated control contour 13a.
  • the control contour 13a is formed by the peripheral edge of a rotatable about the rotation axis R control cam 13, wherein the control cam 13 is fixedly connected to the actuator arm 4 or firmly connected.
  • Fig. 3b shows the in Fig. 3a marked area in an enlarged view.
  • the control arm 4 fixedly connected to the control arm 4, which is about the axis of rotation R is pivotable.
  • a braking or locking device 14 which is arranged on the rotatable control cam 13 and during the pivoting movement of the control cam 13 is moved with this.
  • the braking or locking device 14 comprises a gear transmission with a first gear 15a, which is rotatably mounted on a shaft 16, wherein the shaft 16 is rotatably mounted on the control cam 13.
  • the first gear 15a runs during the pivotal movement of the actuating arm 4 along a housing 15 of the actuator 3 fixedly arranged toothing 15b.
  • the toothing 15b has a larger diameter than that of the first gear 15a, resulting in the increased gear ratio. Namely, the radius of the toothing 15b is larger by a factor of 5 than the radius of the first gear 15a, a pivoting movement of the actuating arm 4 leads by 10 ° to a five times higher rotational movement of the first gear 15a, so thus the first gear 15a by 50 ° is twisted.
  • the brake or locking device 14 comprises a centrifugal clutch 17 with two first coupling parts 17a and 17b, which are moved in excess of a predetermined pivoting speed of the actuating arm 4, starting from an inner rest position in the radial direction in an outer position, so that the two first coupling parts 17a and 17b engage with an inner toothing having second coupling part 17c.
  • the two first coupling parts 17a and 17b are arranged behind the first gear 15a and mounted movably relative to the rotatable shaft 16.
  • the first gear 15a forms with the toothing 15b via the pivoting path of the actuating arm 4, a so-called êtradbin, over the radius of the first gear 15a and the radius of the toothing 15b, the gear ratio is definable.
  • Fig. 4a and Fig. 4b show analogous representations to the Fig. 3a and Fig. 3b with a further pivoted in the direction of open position actuator 4, which is locked in its pivotal position by the brake or locking device 14.
  • Fig. 4b is the in Fig. 4a marked area shown in an enlarged view.
  • the actuator arm 4 with its control cam 13 was about the axis of rotation R, starting from the in Fig. 3b shown closed position pivoted in the direction of the open position, wherein the actuating contour 13a of the control cam 13 runs on the pressure roller 12.
  • the actuating arm 4 is immediately locked in its current pivot position when exceeding a permissible pivoting speed by the braking or locking device 14, since both first coupling parts 17a and 17b are moved radially outwardly by the centrifugal force and with the internal teeth of the outer second coupling part 17c are latched.
  • the latching can be released by manual pressure on the actuating arm 4 in the direction of the closed position again.
  • Fig. 5a shows the pivotable about the axis of rotation R control cam 13 which is latched via a coupling member 18 with the actuating arm 4, not shown here.
  • the control cam 13 has a setting contour 13a, which during the pivoting movement of the control cam 13 on the pressure roller 12 (FIG. Fig. 4b ) expires.
  • the brake or locking device 14 is located between the two discs 19a and 19b of the control cam 13. Recognizable is the about the rotatable shaft 16 with the first gear 15a mounted thereon.
  • Fig. 5b an exploded view of the control cam 13 is shown.
  • a first gear 15a is rotatably mounted on the common shaft 16.
  • a rotor 21 is rotatably disposed, on which the two first coupling parts 17a and 17b are movably mounted.
  • the two first coupling parts 17a and 17b are latched to the toothing of the second coupling part 17c, so that the two first gears 15a block and no longer continue on the toothing 17c (FIG. Fig. 4b ), whereby the actuating arm 4 is locked in its current pivot position.
  • Fig. 6a shows a side view of the arranged on the control cam 13 brake or locking device 14, wherein the rotatably mounted on the rotor 21 first coupling parts 17a and 17b are not locked to the outer teeth 17c.
  • this rest position of the two first coupling parts 17a and 17b an unhindered movement of the control cam 13 (and thus the actuating arm 4) about the rotation axis R is possible, so that the brake or locking device 14 does not affect the movement of a properly hinged on the actuating arm 4 furniture flap.
  • Fig. 6b shows the brake or locking device 14 according to Fig. 6a in an enlarged view. Recognizable is the rest position of the two first coupling parts 17a and 17b, the teeth 22a and 22b are thus not engaged with the locking recesses 23 of the outer coupling part 17c. During an opening movement of the actuating arm 4, the rotor 21 is rotated clockwise with the coupling parts 17a and 17b movably mounted thereon.
  • Fig. 7a shows, however, the latched state of the brake or locking device 14.
  • a special feature of the invention should be mentioned.
  • Fig. 7a and in the enlarged view according to Fig. 7b It can be seen that only one of the first two coupling parts 17a and 17b (namely, only the coupling part 17b) is firmly locked to the outer second coupling part 17c.
  • the ratchet teeth 22a of the first coupling part 17a are offset relative to one another by about half a tooth width relative to one another with respect to the ratchet teeth 22b of the coupling part 17b.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Description

Die vorliegende Erfindung bezieht sich auf einen Stellantrieb mit zumindest einem schwenkbar gelagerten Stellarm zum Bewegen einer Möbelklappe, wobei der Stellarm von einer Federvorrichtung beaufschlagt oder beaufschlagbar ist, und wobei eine Montagesicherung für den leeren Stellarm, an dem also noch keine Möbelklappe montiert ist, vorgesehen ist, wobei die Montagesicherung ein unbeabsichtigtes Öffnen oder Ausschlagen des leeren Stellarmes verhindert und hierfür eine über eine Welle bewegbare Brems- oder Rastvorrichtung aufweist.The present invention relates to an actuator with at least one pivotally mounted actuating arm for moving a furniture flap, wherein the actuator arm is acted upon or acted upon by a spring device, and wherein a mounting fuse for the empty actuator arm, where no furniture flap is still mounted, is provided , The mounting fuse prevents unintentional opening or knocking out of the empty actuating arm and this has a movable over a shaft brake or locking device.

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

Derartige Stellantriebe dienen beispielsweise dazu, eine am schwenkbar gelagerten Stellarm angelenkte Möbelklappe zwischen einer ein Schrankfach in einem Möbelkorpus verschließenden vertikalen Stellung und einer nach oben bewegten Offenstellung zu verstellen. Zur Kompensation des Klappengewichtes wird eine Federvorrichtung oder ein Gasdruckspeicher vorgesehen, wobei das auf den Stellarm wirkende Drehmoment selektiv auf das Gewicht der zu bewegenden Klappe eingestellt werden kann. Bei schweren Möbelklappen ist also ein sehr hohes Drehmoment als Vorspannkraft für den Stellarm bereitzustellen. Wenn nun im Zuge der Montage der Stellantrieb bereits am Möbel vormontiert ist, jedoch aber noch keine Möbelklappe am Stellarm angelenkt ist, so besteht die erhebliche Gefahr, dass der Stellarm durch die beaufschlagende Federvorrichtung massiv ausschlagen und dadurch das Montagepersonal ernsthaft verletzen kann. Aus der WO 2006/069412 A1 der Anmelderin ist daher bereits eine Montagesicherung für den "leeren" Stellarm - an dem also noch keine Möbelklappe montiert ist - bekannt geworden, die eine Brems- oder Rastvorrichtung zur Begrenzung der Öffnungsgeschwindigkeit des leeren Stellarmes aufweist.Such actuators serve, for example, to adjust a hinged hinged furniture arm furniture flap between a cabinet compartment in a furniture body closing vertical position and an upwardly moved open position. To compensate for the flap weight, a spring device or a gas pressure accumulator is provided, wherein the torque acting on the actuating arm can be selectively adjusted to the weight of the flap to be moved. For heavy furniture flaps so a very high torque is to provide biasing force for the actuator arm. Now, if in the course of assembly of the actuator is already pre-assembled on furniture, but still no furniture flap is hinged to the actuating arm, so there is a significant risk that the actuator arm by the springing device impact massive and thereby seriously injure the assembly staff. From the WO 2006/069412 A1 The Applicant is therefore already a mounting safeguard for the "empty" Stellarm - on which so no furniture flap is mounted - has become known, which has a braking or locking device for limiting the opening speed of the empty actuator arm.

Aufgabe der vorliegenden Erfindung ist es, einen Stellantrieb mit einer Montagesicherung der eingangs erwähnten Gattung vorzuschlagen, die auch bei sehr hohen Vorspannkräften der beaufschlagenden Federvorrichtung ein unkontrolliertes Öffnen bzw. Ausschlagen des Stellarmes verhindert.Object of the present invention is to propose an actuator with a mounting fuse of the type mentioned, which prevents uncontrolled opening or knocking out of the actuator arm even at very high biasing forces of the spring device acted upon.

Dies wird erfindungsgemäß in einer vorteilhaften Ausgestaltung dadurch erreicht, dass ein Übersetzungsgetriebe vorgesehen ist, durch welches die Schwenkgeschwindigkeit des Stellarmes zumindest über einen Bereich des Schwenkweges des Stellarmes in Öffnungsrichtung auf eine höhere Drehgeschwindigkeit der Welle übersetzbar ist.This is inventively achieved in an advantageous embodiment in that a transmission gear is provided by which the pivoting speed of Stellarmes at least over a range of the pivoting path of the actuating arm in the opening direction is translatable to a higher rotational speed of the shaft.

Angemerkt sei, dass die Federvorrichtung den Stellarm um eine Drehachse in Öffnungsrichtung beaufschlagt, sodass bei angelenkter Klappe ein ausreichend hohes Drehmoment zum Austarieren der Klappe bereitgestellt wird. Je höher die Kraft der den Stellarm beaufschlagenden Federvorrichtung ist, desto größer ist auch die Gefahr, dass der Stellarm bei nicht angelenkter Klappe - selbst wenn eine Brems- oder Rastvorrichtung zum Verhindern eines Ausschlagens des Stellarmes vorgesehen wird - über einen tolerierbaren Schwenkbereich ausschlägt. Durch die Anordnung des Übersetzungsgetriebes kann also die Reaktionszeit der Brems- oder Rastvorrichtung reduziert werden, da bei einer Erhöhung der Federkraft (z.B. bei Einbau einer Federvorrichtung mit erhöhter standardisierter Federkraft) auch ein schnelleres Bremsen bzw. Stoppen des Stellarmes erfolgt.It should be noted that the spring device acts on the actuating arm about an axis of rotation in the opening direction, so that when the flap is hinged, a sufficiently high torque is provided for balancing the flap. The higher the force of the spring device acting on the actuating arm, the greater the risk that the actuating arm with non-hinged flap - even if a brake or locking device is provided to prevent a rollover of the actuating arm - over a tolerable swivel range ausschlägt. The arrangement of the transmission gear so that the reaction time of the brake or locking device can be reduced, since with an increase in the spring force (for example, when installing a spring device with increased standardized spring force) also faster braking or stopping the actuator arm takes place.

Besonders günstig ist die Erfindung mit Brems- oder Rastvorrichtungen umsetzbar, die eine Fliehkraftkupplung zum Bremsen bzw. Abstoppen des Stellarmes aufweisen. Durch das Übersetzungsgetriebe wird nämlich erreicht, dass bereits ein geringer Schwenkweg des federbelasteten Stellarmes eine um ein definiertes Verhältnis erhöhte Drehbewegung der Welle auslöst. Somit reagiert bei einer Überschreitung einer vorgegebenen Schwenkgeschwindigkeit des Stellarmes auch die Brems- oder Rastvorrichtung wesentlich schneller als bei herkömmlichen Vorrichtungen.The invention can be implemented particularly advantageously with brake or latching devices which have a centrifugal clutch for braking or stopping the actuating arm. By the transmission gear is namely achieved that already causes a small pivoting of the spring-loaded actuating arm increased by a defined ratio rotational movement of the shaft. Thus, when exceeding a predetermined pivoting speed of the actuating arm and the brake or locking device reacts much faster than in conventional devices.

Ein weiterer günstiger Effekt bei Anordnung des Übersetzungsgetriebes liegt darin, dass die Brems- oder Rastvorrichtung nicht direkt das beaufschlagende massive Drehmoment des Stellarmes kompensieren muss. Durch das Übersetzungsgetriebe wird auch das auftretende Haltemoment in der Brems- oder Rastvorrichtung deutlich herabgesetzt, sodass die von der Brems- oder Rastvorrichtung gebildete Baueinheit kleiner und gegebenenfalls auch kostengünstiger realisiert werden kann. Aufgrund des sehr begrenzten Bauraumes bei Stellantrieben ist eine Brems- oder Rastvorrichtung mit relativ kleinen geometrischen Dimensionen von besonderem Vorteil.Another beneficial effect in the arrangement of the transmission gear is that the brake or locking device does not have to directly compensate for the impinging massive torque of the actuator arm. By the transmission gear and the holding torque occurring in the brake or locking device is significantly reduced, so that the unit formed by the brake or locking device can be smaller and possibly also realized more cost-effectively. Due to the very limited space in actuators a braking or locking device with relatively small geometric dimensions is of particular advantage.

Gemäß einem Ausführungsbeispiel der Erfindung kann vorgesehen sein, dass das Übersetzungsverhältnis (i) des Übersetzungsgetriebes größer als 3, vorzugsweise größer als 5, ist. Dies bedeutet beispielsweise, dass bei einem Übersetzungsverhältnis gleich 5 eine Schwenkbewegung des Stellarmes um 10° eine Drehbewegung der Welle (die der Brems- oder Rastvorrichtung zugeordnet ist) um 50° zur Folge hat. Das gewünschte höhere Übersetzungsverhältnis wird also durch das Verhältnis zwischen der Drehgeschwindigkeit der Welle und der Schwenkgeschwindigkeit des Stellarmes bestimmt.According to one embodiment of the invention, it may be provided that the transmission ratio (i) of the transmission gear is greater than 3, preferably greater than 5, is. This means, for example, that with a transmission ratio equal to 5, a pivotal movement of the actuating arm by 10 ° causes a rotational movement of the shaft (which is the brake). or latching device is assigned) by 50 ° result. The desired higher transmission ratio is thus determined by the ratio between the rotational speed of the shaft and the pivoting speed of the actuator arm.

Es ist vorgesehen, dass das Übersetzungsgetriebe ein Zahnradgetriebe aufweist. Besonders günstig hat sich hierbei ein so genanntes Innenradpaar erwiesen, wobei ein an der Welle gelagertes Ritzel mit einer Innenverzahnung eines Hohlrades oder eines Verzahnungsabschnittes kämmt. Durch das Verhältnis des Durchmessers des Ritzels zum Durchmesser der Innenverzahnung kann das Übersetzungsverhältnis bestimmt werden. Die Länge des Verzahnungsabschnittes kann dabei etwa der Länge des Schwenkbereiches des Stellarmes entsprechen.It is envisaged that the transmission gear has a gear transmission. In this case, a so-called pair of internal gears has proved to be particularly favorable, wherein a pinion mounted on the shaft meshes with an internal toothing of a ring gear or a toothed section. By the ratio of the diameter of the pinion to the diameter of the internal teeth, the transmission ratio can be determined. The length of the toothed portion may correspond approximately to the length of the pivoting range of the actuating arm.

Grundsätzlich ist es ausreichend, wenn das Zahnradgetriebe ein erstes Zahnrad aufweist, das mit wenigstens einem zweiten Zahnrad oder einer Verzahnung unterschiedlicher Größe kämmt. In diesem Zusammenhang ist vorgesehen, dass das erste Zahnrad der Welle und das zweite Zahnrad oder die Verzahnung dem Gehäuse des Stellantriebes zugeordnet ist. Dabei kann vorgesehen sein, dass während der Schwenkbewegung des Stellarmes das erste Zahnrad entlang einer, vorzugsweise ortsfest am Gehäuse des Stellantriebes angeordneten, Verzahnung abläuft. Das Übersetzungsgetriebe kann auch Konstruktionen mit einem Zahnriemen oder dgl. umfassen.In principle, it is sufficient if the toothed gear has a first toothed wheel which meshes with at least one second toothed wheel or toothing of different sizes. In this context, it is provided that the first gear of the shaft and the second gear or the toothing is associated with the housing of the actuator. It can be provided that during the pivotal movement of the actuating arm, the first gear along a, preferably arranged fixed to the housing of the actuator, toothing expires. The transmission gear may also include constructions with a toothed belt or the like.

Die zum Abbremsen bzw. Abstoppen des Stellarmes vorgesehene Fliehkraftkupplung kann wenigstens einen beweglich gelagerten ersten Kupplungsteil aufweisen, der (auch entgegen der Kraft einer Feder) ausgehend von einer Ruhestellung in eine äußere Stellung bewegbar ist, in der der erste Kupplungsteil mit einem zweiten Kupplungsteil kontaktierbar, vorzugsweise verrastbar ist. Hierbei ist vorgesehen, dass unterhalb einer vorgegebenen Schwenkgeschwindigkeit des Stellarmes der erste Kupplungsteil und der zweite Kupplungsteil voneinander entkuppelt sind und dass bei Überschreitung einer vorgegebenen Schwenkgeschwindigkeit des Stellarmes der erste Kupplungsteil und der zweite Kupplungsteil miteinander kontaktierbar sind.The centrifugal clutch provided for braking or stopping the actuating arm can have at least one movably mounted first coupling part which can be moved (also counter to the force of a spring) from a rest position into an outer position in which the first coupling part can be contacted with a second coupling part, is preferably latched. It is provided that below a predetermined pivoting speed of the actuating arm of the first coupling part and the second coupling part are decoupled from each other and that when exceeding a predetermined pivoting speed of the actuating arm of the first coupling part and the second coupling part are contacted with each other.

Gemäß einem Ausführungsbeispiel der Erfindung können zumindest zwei erste Kupplungsteile vorgesehen werden, die nach Überwindung des Massenträgheitsmomentes (und gegebenenfalls nach Überwindung einer Federkraft) mit einem zweiten Kupplungsteil kontaktierbar sind. Die ersten Kupplungsteile können Rastzähne (bzw. Rastvertiefungen) oder alternativ auch mit einem Reibbelag versehen sein. Im Sinne eines sofortigen Stoppens des Stellarmes kann es jedoch günstig sein, wenn der erste Kupplungsteil wenigstens einen Rastzahn aufweist, der mit wenigstens einer am zweiten Kupplungsteil angeordneten oder ausgebildeten Rastvertiefung verrastbar ist. Auch kann es vorteilhaft sein, wenn der (die) erste(n) Kupplungsteil(e) mehrere Rastzähne und das zweite Kupplungsteil mehrere Rastvertiefungen aufweist.According to one embodiment of the invention, at least two first coupling parts can be provided which, after overcoming the mass moment of inertia (And optionally after overcoming a spring force) are contacted with a second coupling part. The first coupling parts can be locking teeth (or locking recesses) or alternatively also provided with a friction lining. In terms of an immediate stopping of the actuating arm, however, it may be favorable if the first coupling part has at least one latching tooth which can be latched with at least one latching recess arranged or formed on the second coupling part. It may also be advantageous if the (s) first coupling part (s) has a plurality of latching teeth and the second coupling part has a plurality of latching recesses.

Es ist vorgesehen, dass die Brems- oder Rastvorrichtung in oder an einer mit dem Stellarm fest verbundenen Steuernocke angeordnet und mit dieser mitbewegt wird.It is envisaged that the braking or locking device is arranged in or on a fixedly connected to the actuating arm control cam and moved with this.

Das erfindungsgemäße Möbel ist durch wenigstens einen Stellantrieb der beschriebenen Art gekennzeichnet.The furniture according to the invention is characterized by at least one actuator of the type described.

Weitere Einzelheiten und Vorteile der gegenständlichen Erfindung ergeben sich aus der nachfolgenden Figurenbeschreibung. Dabei zeigt bzw. zeigen:

  • Fig. 1 eine perspektivische Darstellung eines schrankförmigen Möbels mit bereits vormontiertem Stellantrieb, an dessen Stellarm noch keine Möbelklappe montiert ist,
  • Fig. 2 das Möbel gemäß Fig. 1 mit dem Stellantrieb, dessen Stellarm in einer Offenstellung arretiert ist,
  • Fig. 3a, 3b eine Seiteneinsicht einer Ausführungsform eines erfindungsgemäßen Stellantriebes im unverrasteten Zustand sowie eine vergrößerte Detaildarstellung hierzu,
  • Fig. 4a, 4b eine Seitenansicht einer Ausführungsform eines erfindungsgemäßen Stellantriebes im verrasteten Zustand sowie eine vergrößerte Detaildarstellung hierzu,
  • Fig. 5a, 5b die an der Steuernocke des Stellarmes angeordnete Brems- oder Rastvorrichtung sowie eine Explosionsdarstellung hierzu,
  • Fig. 6a, 6b eine Seitenansicht der Brems- oder Rastvorrichtung im unverrasteten Zustand sowie eine vergrößerte Detaildarstellung hierzu,
  • Fig. 7a, 7b eine Seitenansicht der Brems- oder Rastvorrichtung im verrasteten Zustand sowie eine vergrößerte Detaildarstellung hierzu.
Further details and advantages of the subject invention will become apparent from the following description of the figures. It shows or show:
  • Fig. 1 a perspective view of a cupboard-shaped furniture with pre-assembled actuator, on the actuator arm no furniture flap is mounted,
  • Fig. 2 according to the furniture Fig. 1 with the actuator whose actuator arm is locked in an open position,
  • Fig. 3a, 3b a side view of an embodiment of an actuator according to the invention in the unlocked state and an enlarged detail illustration of this,
  • Fig. 4a, 4b a side view of an embodiment of an actuator according to the invention in the locked state and an enlarged detail illustration of this,
  • Fig. 5a, 5b arranged on the control cam of the actuating arm brake or locking device and an exploded view of this,
  • Fig. 6a, 6b a side view of the brake or locking device in the unlocked state and an enlarged detail illustration of this,
  • Fig. 7a, 7b a side view of the brake or locking device in the locked state and an enlarged detail illustration this.

Fig. 1 zeigt eine perspektivische Darstellung eines schrankförmigen Möbels 1 in einer typischen Montagesituation. Am Möbelkorpus 2 ist ein erfindungsgemäßer Stellantrieb 3 vormontiert, der wenigstens einen Stellarm 4 zum Bewegen einer (nicht dargestellten) hochbewegbaren Möbelklappe aufweist. Der Stellarm 4 ist um eine Drehachse R zwischen einer - wie in der Fig. dargestellten - Schließstellung und einer Offenstellung schwenkbar gelagert. Der Stellarm 4 ist von einer im Gehäuse 5 angeordneten Federvorrichtung beaufschlagt oder beaufschlagbar, wobei die Federvorrichtung den Stellarm 4 um die Drehachse R in Richtung Offenstellung beaufschlagt. Die Federvorrichtung dient also zum Gewichtsausgleich der Klappe, wobei der Stellarm 4 - je nach Gewicht der noch anzulenkenden Klappe - mit extrem hohen Kräften vorgespannt ist. In der gezeigten Montagesituation, in der also noch keine Klappe am Stellarm 4 montiert ist, kann der Stellarm 4 in unkontrollierter Weise in Richtung Offenstellung hochschnellen und dabei schwere Verletzungen verursachen. Fig. 1 shows a perspective view of a cabinet-shaped piece of furniture 1 in a typical mounting situation. On the furniture body 2, an actuator 3 according to the invention is pre-assembled, which has at least one actuating arm 4 for moving a (not shown) highly movable furniture flap. The actuating arm 4 is pivotally mounted about an axis of rotation R between a closed position as shown in the figure and an open position. The actuating arm 4 is acted upon or acted upon by a spring device arranged in the housing 5, wherein the spring device acts on the actuating arm 4 about the axis of rotation R in the direction of the open position. The spring device thus serves to balance the weight of the flap, wherein the actuating arm 4 - depending on the weight of the flap still to be taught - is biased with extremely high forces. In the mounting situation shown, in which therefore no flap is mounted on the actuator arm 4, the actuator arm 4 can jump up in the direction of open position in an uncontrolled manner and thereby cause serious injury.

Fig. 2 zeigt die Anordnung gemäß Fig. 1, wobei der "leere" Stellarm 4 nach Überschreitung einer zulässigen Schenkgeschwindigkeit in Öffnungsrichtung sogleich in seiner momentanen Schwenklage arretiert ist. Der Stellarm 4 ist längenveränderlich ausgebildet und weist einen Verbindungsteil 6 auf, der mit einem der Möbelklappe zugeordneten Beschlagteil verrastbar ist. Fig. 2 shows the arrangement according to Fig. 1 , wherein the "empty" control arm 4 is locked immediately after exceeding a permissible Schenkgeschwindigkeit in the opening direction in its current pivot position. The actuating arm 4 is variable in length and has a connecting part 6 which can be latched with a fitting part associated with the furniture flap.

Fig. 3a zeigt eine Seitenansicht des Stellantriebs 3. Erkennbar ist eine Federvorrichtung 7 in Form eines Federpaketes, das sich einerseits an einem möbelfesten Teil 8 am Gehäuse 5 abstützt und andererseits einen um eine Drehachse S schwenkbaren Zwischenhebel 9 beaufschlagt. Zum Verstellen der auf den Stellarm 4 wirkenden Federkraft ist eine Einstellvorrichtung 10 vorgesehen, wodurch die Position des Federlagers 11 relativ zur Drehachse S veränderbar einstellbar ist. Am Zwischenhebel 9 ist eine Druckrolle 12 gelagert, die während der Schwenkbewegung des Stellarmes 4 unter Druck der Federvorrichtung 7 entlang einer dem Stellarm 4 zugeordneten Stellkontur 13a ablaufen kann. Die Stellkontur 13a ist durch den Umfangsrand einer um die Drehachse R drehbaren Steuernocke 13 gebildet, wobei die Steuernocke 13 mit dem Stellarm 4 fest verbunden oder fest verbindbar ist. Fig. 3a shows a side view of the actuator 3. Recognizable is a spring device 7 in the form of a spring assembly, which is supported on the one hand on a furniture fixed part 8 on the housing 5 and on the other hand acted upon a pivotable about an axis S intermediate lever 9. To adjust the force acting on the actuating arm 4 spring force an adjusting device 10 is provided, whereby the position of the spring bearing 11 is adjustable relative to the rotation axis S variable. At the intermediate lever 9, a pressure roller 12 is mounted, which can take place during the pivotal movement of the actuating arm 4 under pressure of the spring device 7 along a control arm 4 associated control contour 13a. The control contour 13a is formed by the peripheral edge of a rotatable about the rotation axis R control cam 13, wherein the control cam 13 is fixedly connected to the actuator arm 4 or firmly connected.

Fig. 3b zeigt den in Fig. 3a gekennzeichneten Bereich in einer vergrößerten Darstellung. Erkennbar ist die mit dem Stellarm 4 fest verbundene Steuernocke 13, die um die Drehachse R verschwenkbar ist. Von wesentlicher Bedeutung ist eine Brems- oder Rastvorrichtung 14, die an der drehbaren Steuernocke 13 angeordnet ist und während der Schwenkbewegung der Steuernocke 13 mit dieser mitbewegt wird. Die Brems- oder Rastvorrichtung 14 umfasst ein Zahnradgetriebe mit einem ersten Zahnrad 15a, das drehbar an einer Welle 16 angeordnet ist, wobei die Welle 16 drehbar an der Steuernocke 13 gelagert ist. Das erste Zahnrad 15a läuft während der Schwenkbewegung des Stellarmes 4 entlang einer am Gehäuse 5 des Stellantriebes 3 ortsfest angeordneten Verzahnung 15b ab. Zu erkennen ist, dass die Verzahnung 15b einen größeren Durchmesser als jene des ersten Zahnrades 15a aufweist, wodurch sich das erhöhte Übersetzungsverhältnis ergibt. Wird nämlich der Radius der Verzahnung 15b um den Faktor 5 größer als der Radius des ersten Zahnrades 15a gewählt, so führt eine Schwenkbewegung des Stellarmes 4 um 10° zu einer fünfmal höheren Drehbewegung des ersten Zahnrades 15a, womit also das erste Zahnrad 15a um 50° verdreht wird. Die Brems- oder Rastvorrichtung 14 umfasst eine Fliehkraftkupplung 17 mit zwei ersten Kupplungsteilen 17a und 17b, die bei Überschreitung einer vorbestimmten Schwenkgeschwindigkeit des Stellarmes 4 ausgehend von einer inneren Ruhestellung in radialer Richtung in eine äußere Stellung bewegt werden, sodass die beiden ersten Kupplungsteile 17a und 17b mit einem eine Innenverzahnung aufweisenden zweiten Kupplungsteil 17c verrasten. Die beiden ersten Kupplungsteile 17a und 17b sind hinter dem ersten Zahnrad 15a angeordnet und relativ zur drehbaren Welle 16 beweglich gelagert. Das erste Zahnrad 15a bildet mit der Verzahnung 15b über den Schwenkweg des Stellarmes 4 ein sogenanntes Innenradpaar, wobei über den Radius des ersten Zahnrades 15a und den Radius der Verzahnung 15b das Übersetzungsverhältnis definierbar ist. Fig. 3b shows the in Fig. 3a marked area in an enlarged view. Recognizable is the control arm 4 fixedly connected to the control arm 4, which is about the axis of rotation R is pivotable. Of essential importance is a braking or locking device 14, which is arranged on the rotatable control cam 13 and during the pivoting movement of the control cam 13 is moved with this. The braking or locking device 14 comprises a gear transmission with a first gear 15a, which is rotatably mounted on a shaft 16, wherein the shaft 16 is rotatably mounted on the control cam 13. The first gear 15a runs during the pivotal movement of the actuating arm 4 along a housing 15 of the actuator 3 fixedly arranged toothing 15b. It can be seen that the toothing 15b has a larger diameter than that of the first gear 15a, resulting in the increased gear ratio. Namely, the radius of the toothing 15b is larger by a factor of 5 than the radius of the first gear 15a, a pivoting movement of the actuating arm 4 leads by 10 ° to a five times higher rotational movement of the first gear 15a, so thus the first gear 15a by 50 ° is twisted. The brake or locking device 14 comprises a centrifugal clutch 17 with two first coupling parts 17a and 17b, which are moved in excess of a predetermined pivoting speed of the actuating arm 4, starting from an inner rest position in the radial direction in an outer position, so that the two first coupling parts 17a and 17b engage with an inner toothing having second coupling part 17c. The two first coupling parts 17a and 17b are arranged behind the first gear 15a and mounted movably relative to the rotatable shaft 16. The first gear 15a forms with the toothing 15b via the pivoting path of the actuating arm 4, a so-called Innenradpaar, over the radius of the first gear 15a and the radius of the toothing 15b, the gear ratio is definable.

Fig. 4a und Fig. 4b zeigen analoge Darstellungen zu den Fig. 3a und Fig. 3b mit einem weiter in Richtung Offenstellung verschwenkten Stellarm 4, der in seiner Schwenklage durch die Brems- oder Rastvorrichtung 14 arretiert ist. In Fig. 4b ist der in Fig. 4a gekennzeichnete Bereich in einer vergrößerten Darstellung gezeigt. Der Stellarm 4 mit seiner Steuernocke 13 wurde um die Drehachse R ausgehend von der in Fig. 3b gezeigten Schließstellung in Richtung Offenstellung verschwenkt, wobei die Stellkontur 13a der Steuernocke 13 an der Druckrolle 12 abläuft. Bei dieser Schwenkbewegung des Stellarmes 4 kann auch das erste Zahnrad 15a an der ortsfest am Gehäuse 5 angeordneten Verzahnung 15b ablaufen, wodurch auch die Welle 16 um ein definiertes Vielfaches relativ zur Schwenkgeschwindigkeit des Stellarmes 4 rotiert wird. Unterhalb einer vorgegebenen Schwenkgeschwindigkeit des Stellarmes 4 wird die Welle 16 bewegt, ohne dass sich die beiden ersten Kupplungsteile 17a, 17b der Fliehkraftkupplung 17 mit der Verzahnung des äußeren zweiten Kupplungsteiles 17c verrasten, wodurch sich auch der Stellarm 4 zwischen der Schließstellung und der Offenstellung ungehindert bewegen lässt. Dies ist bei einer ordnungsgemäßen Anlenkung einer Möbelklappe am Stellarm 4 der Fall, da das Klappengewicht der Kraft der Federvorrichtung 7 entgegenwirkt. Ist keine Möbelklappe am Stellarm 4 angelenkt, so wird der Stellarm 4 bei Überschreitung einer zulässigen Schwenkgeschwindigkeit durch die Brems- oder Rastvorrichtung 14 sofort in seiner momentanen Schwenklage arretiert, da beide ersten Kupplungsteile 17a und 17b durch die wirkende Zentrifugalkraft radial nach außen bewegt werden und mit der inneren Verzahnung des äußeren zweiten Kupplungsteiles 17c verrastet werden. Die Verrastung kann durch manuelle Druckausübung auf den Stellarm 4 in Richtung Schließstellung wieder gelöst werden. Fig. 4a and Fig. 4b show analogous representations to the Fig. 3a and Fig. 3b with a further pivoted in the direction of open position actuator 4, which is locked in its pivotal position by the brake or locking device 14. In Fig. 4b is the in Fig. 4a marked area shown in an enlarged view. The actuator arm 4 with its control cam 13 was about the axis of rotation R, starting from the in Fig. 3b shown closed position pivoted in the direction of the open position, wherein the actuating contour 13a of the control cam 13 runs on the pressure roller 12. In this pivotal movement of the actuating arm 4 and the first gear 15a at the fixedly arranged on the housing 5 toothing 15b run, whereby the shaft 16 is rotated by a defined multiple relative to the pivoting speed of the actuating arm 4. Below a predetermined pivoting speed of the actuating arm 4, the shaft 16 is moved without the first two coupling parts 17a, 17b of the centrifugal clutch 17 with the toothing of the outer second coupling part 17c latch, whereby the actuator arm 4 between the closed position and the open position can move freely. This is the case with a proper articulation of a furniture flap on the actuating arm 4, since the flap weight counteracts the force of the spring device 7. If no furniture flap articulated on the actuating arm 4, the actuating arm 4 is immediately locked in its current pivot position when exceeding a permissible pivoting speed by the braking or locking device 14, since both first coupling parts 17a and 17b are moved radially outwardly by the centrifugal force and with the internal teeth of the outer second coupling part 17c are latched. The latching can be released by manual pressure on the actuating arm 4 in the direction of the closed position again.

Fig. 5a zeigt die um die Drehachse R schwenkbare Steuernocke 13, die über ein Kupplungsteil 18 mit dem hier nicht dargestellten Stellarm 4 verrastbar ist. Die Steuernocke 13 weist eine Stellkontur 13a auf, die während der Schwenkbewegung der Steuernocke 13 an der Druckrolle 12 (Fig. 4b) abläuft. Die Brems- oder Rastvorrichtung 14 befindet sich zwischen den beiden Scheiben 19a und 19b der Steuernocke 13. Erkennbar ist die um die drehbare Welle 16 mit dem daran gelagerten ersten Zahnrad 15a. In Fig. 5b ist eine Explosionsdarstellung der Steuernocke 13 dargestellt. An der Außenseite der beiden Scheiben 19a und 19b ist je ein erstes Zahnrad 15a auf der gemeinsamen Welle 16 drehbar angeordnet. An der Welle 16 ist ein Rotor 21 drehfest angeordnet, an dem die beiden ersten Kupplungsteile 17a und 17b beweglich gelagert sind. Bei Überschreiten einer zulässigen Schwenkgeschwindigkeit des Stellarmes 4 werden die beiden ersten Kupplungsteile 17a und 17b mit der Verzahnung des zweiten Kupplungsteiles 17c verrastet, sodass die beiden ersten Zahnräder 15a blockieren und nicht mehr weiter an der Verzahnung 17c (Fig. 4b) ablaufen können, wodurch auch der Stellarm 4 in seiner momentanen Schwenklage arretiert wird. Fig. 5a shows the pivotable about the axis of rotation R control cam 13 which is latched via a coupling member 18 with the actuating arm 4, not shown here. The control cam 13 has a setting contour 13a, which during the pivoting movement of the control cam 13 on the pressure roller 12 (FIG. Fig. 4b ) expires. The brake or locking device 14 is located between the two discs 19a and 19b of the control cam 13. Recognizable is the about the rotatable shaft 16 with the first gear 15a mounted thereon. In Fig. 5b an exploded view of the control cam 13 is shown. On the outside of the two discs 19a and 19b, a first gear 15a is rotatably mounted on the common shaft 16. On the shaft 16, a rotor 21 is rotatably disposed, on which the two first coupling parts 17a and 17b are movably mounted. When a permissible pivoting speed of the actuating arm 4 is exceeded, the two first coupling parts 17a and 17b are latched to the toothing of the second coupling part 17c, so that the two first gears 15a block and no longer continue on the toothing 17c (FIG. Fig. 4b ), whereby the actuating arm 4 is locked in its current pivot position.

Fig. 6a zeigt eine Seitenansicht der an der Steuernocke 13 angeordneten Brems- oder Rastvorrichtung 14, wobei die am Rotor 21 beweglich gelagerten ersten Kupplungsteile 17a und 17b mit der äußeren Verzahnung 17c nicht verrastet sind. In dieser Ruhestellung der beiden ersten Kupplungsteile 17a und 17b ist eine ungehinderte Bewegung der Steuernocke 13 (und damit der Stellarmes 4) um die Drehachse R möglich, sodass die Brems- oder Rastvorrichtung 14 den Bewegungsablauf einer ordnungsgemäß am Stellarm 4 angelenkten Möbelklappe nicht beeinflusst. Fig. 6a shows a side view of the arranged on the control cam 13 brake or locking device 14, wherein the rotatably mounted on the rotor 21 first coupling parts 17a and 17b are not locked to the outer teeth 17c. In this rest position of the two first coupling parts 17a and 17b an unhindered movement of the control cam 13 (and thus the actuating arm 4) about the rotation axis R is possible, so that the brake or locking device 14 does not affect the movement of a properly hinged on the actuating arm 4 furniture flap.

Fig. 6b zeigt die Brems- oder Rastvorrichtung 14 gemäß Fig. 6a in einer vergrößerten Darstellung. Erkennbar ist die Ruhestellung der beiden ersten Kupplungsteile 17a und 17b, deren Verzahnungen 22a und 22b also nicht mit den Rastvertiefungen 23 des äußeren Kupplungsteil 17c in Eingriff stehen. Bei einer Öffnungsbewegung des Stellarmes 4 wird der Rotor 21 mit den daran beweglich gelagerten Kupplungsteilen 17a und 17b im Uhrzeigersinn verdreht. Fig. 6b shows the brake or locking device 14 according to Fig. 6a in an enlarged view. Recognizable is the rest position of the two first coupling parts 17a and 17b, the teeth 22a and 22b are thus not engaged with the locking recesses 23 of the outer coupling part 17c. During an opening movement of the actuating arm 4, the rotor 21 is rotated clockwise with the coupling parts 17a and 17b movably mounted thereon.

Fig. 7a zeigt hingegen den verrasteten Zustand der Brems- oder Rastvorrichtung 14. In diesem Zusammenhang ist noch eine Besonderheit der Erfindung zu erwähnen. In Fig. 7a und in der vergrößerten Darstellung gemäß Fig. 7b ist erkennbar, dass nur einer beiden ersten Kupplungsteile 17a und 17b (nämlich nur der Kupplungsteil 17b) mit dem äußeren zweiten Kupplungsteil 17c fest verrastet ist. Die Rastzähne 22a des ersten Kupplungsteiles 17a sind zu den Rastzähnen 22b des anderen ersten Kupplungsteiles 17b derart etwa um eine halbe Zahnweite relativ zueinander versetzt, dass beim Einrasten der Rastzähne 22b des Kupplungsteiles 17b in die Rastvertiefungen 23 des äußeren Kupplungsteiles 17c die Rastzähne 22a des Kupplungsteiles 17a gerade nicht in die Rastvertiefungen 23 des zweiten Kupplungsteiles 17c einrasten. Diese Situation ist besonders gut in Fig. 7b erkennbar. Auf diese Weise ist bei einem allfälligen Rückprallen des Kupplungsteiles 17b immer noch der in einer "Lauerstellung" befindliche Kupplungsteil 17b vorhanden, der beim Überschreiten der zulässigen Schwenkgeschwindigkeit des Stellarmes 4 mit der Rastvertiefungen 23 des zweiten Kupplungsteiles 17c verrasten kann. Selbstverständlich ist es jedoch auch möglich, dass bei einer Überschreitung einer zulässigen Schwenkgeschwindigkeit des Stellarmes 4 beide Kupplungsteile 17a und 17b gleichzeitig mit den Rastvertiefungen 23 des äußeren Kupplungsteiles 17c verrastbar sind. Fig. 7a shows, however, the latched state of the brake or locking device 14. In this context, a special feature of the invention should be mentioned. In Fig. 7a and in the enlarged view according to Fig. 7b It can be seen that only one of the first two coupling parts 17a and 17b (namely, only the coupling part 17b) is firmly locked to the outer second coupling part 17c. The ratchet teeth 22a of the first coupling part 17a are offset relative to one another by about half a tooth width relative to one another with respect to the ratchet teeth 22b of the coupling part 17b. The ratchet teeth 22a of the coupling part 17a engage in the locking recesses 23 of the outer coupling part 17c when the ratchet teeth 22b of the coupling part 17b engage just do not engage in the locking recesses 23 of the second coupling part 17c. This situation is especially good in Fig. 7b recognizable. In this way, in a possible rebound of the coupling part 17b still located in a "Lauerstellung" coupling part 17b is present, which can latch when exceeding the permissible pivoting speed of the actuating arm 4 with the locking recesses 23 of the second coupling part 17c. Of course, however, it is also possible that when exceeding a permissible pivoting speed of the actuating arm 4, both coupling parts 17a and 17b are latched simultaneously with the locking recesses 23 of the outer coupling part 17c.

Die vorliegende Erfindung beschränkt sich nicht auf das gezeigte Ausführungsbeispiel, sondern umfasst bzw. erstreckt sich auf alle Varianten und technischen Äquivalente, welche in die Reichweite der nachfolgenden Ansprüche fallen können. Auch sind die in der Beschreibung gewählten Lageangaben, wie zum Beispiel oben, unten, seitlich, usw., auf die übliche Einbaulage bzw. auf die unmittelbar beschriebene sowie dargestellte Figur bezogen und sind bei einer Lageänderung sinngemäß auf die neue Lage zu übertragen.The present invention is not limited to the embodiment shown, but includes all variants and technical equivalents, which may fall within the scope of the following claims. Also, the position information selected in the description, such as top, bottom, side, etc., based on the usual installation position or on the immediately described and illustrated figure and are mutatis mutandis transferred to the new location in a change in position.

Claims (14)

  1. An actuating device (3) having at least one pivotally mounted actuating arm (4) for moving a furniture flap, wherein the actuating arm (4) is pressurized by a spring device (7) of the actuating device (3) about a pivoting axis (R) in an opening direction, and wherein the actuating device (3) includes an assembling securing device for the vacant actuating arm (4) on which therefore no furniture flap has yet been fitted, wherein the assembling securing device prevents accidental opening or deflection of the vacant actuating arm (4) and, for that purpose, has a braking or latching device (14) which can be moved by way of a shaft (16) and which can be moved about the pivoting axis (R) by way of a control cam (13) being firmly connected to the actuating arm (4), wherein there is provided a step-up transmission by way of which the pivoting movement of the actuating arm (4) can be converted at least over a region of the pivot travel of the actuating arm (4) in the opening direction to a greater rotary speed of the shaft (16), wherein the step-up transmission includes a gear transmission, wherein a first gear (15a) meshes with at least one second gear or a tooth arrangement (15b) having a different size, and that the first gear (15a) is arranged on the shaft (16) and the second gear or the tooth arrangement (15b) is arranged on the housing (5) of the actuating device (3).
  2. The actuating device according to claim 1, characterized in that the transmission ratio of the step-up transmission is greater than 3, preferably greater than 5.
  3. The actuating device according to claim 1 or 2, characterized in that the step-up transmission includes an internal gear pair.
  4. The actuating device according to one of the claims 1 to 3, characterized in that the first gear (15a) runs along the tooth arrangement (15b) upon a pivotal movement of the actuating arm (4).
  5. The actuating device according to one of the claims 1 to 4, characterized in that the tooth arrangement (15b) is stationarily formed or arranged on the housing (5) of the actuating device (3).
  6. The actuating device according to one of the claims 1 to 5, characterized in that the braking or latching device (14) includes a centrifugal clutch.
  7. The actuating device according to claim 6, characterized in that the centrifugal clutch has at least one movably-mounted first coupling portion (17a) being configured to move from an inner rest position to an outer position in which the first coupling portion (17a) can be connected, preferably latched, to a second coupling portion (17c).
  8. The actuating device according to claim 7, characterized in that the first coupling portion (17a) and the second coupling portion (17c) are uncoupled from each other below a predetermined pivotal speed of the actuating arm (4), and that the first coupling portion (17a) and the second coupling portion (17c) can become coupled when a predetermined pivotal speed of the actuating arm (4) is exceeded.
  9. The actuating device according to claim 7 or 8, characterized in that the first coupling portion (17a) has at least one latching tooth (22a) which can be latched with a latching recess (23) formed or arranged on the second coupling portion (17c).
  10. The actuating device according to claim 9, characterized in that the first coupling portion (17a) includes a plurality of latching teeth (22a) and that the second coupling portion (17c) includes a plurality of latching recesses (23).
  11. The actuating device according to one of the claims 7 to 10, characterized in that at least two first coupling portions (17a, 17b) are provided.
  12. The actuating device according to claim 11, characterized in that the latching teeth (22b) of the first coupling portion (17b) are displaced relative to the latching teeth (22a) of the other first coupling portion (17a) through about a half tooth width relative to each other so that, upon a latching engagement of the latching teeth (22b) of the first latching portion (17b) into the latching recesses (23) of the second coupling portion (17c), the latching teeth (22a) of the other first coupling portion (17a) do not latch into the latching recesses (23) of the second coupling portion (17c).
  13. The actuating device according to one of the claims 1 to 12, characterized in that the braking or latching device (14) is arranged within or on the control cam (13) being firmly connected to the actuating arm (4) and is moved therewith.
  14. An article of furniture having an actuating device according to one of the claims 1 to 13.
EP09775627.4A 2008-11-06 2009-09-07 Retaining clip for an actuator of a furniture flap Active EP2342409B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0172608A AT507527A1 (en) 2008-11-06 2008-11-06 MOUNTING FUSE FOR A ACTUATOR OF A FURNITURE FLAP
PCT/AT2009/000349 WO2010051569A1 (en) 2008-11-06 2009-09-07 Retaining clip for an actuator of a furniture flap

Publications (2)

Publication Number Publication Date
EP2342409A1 EP2342409A1 (en) 2011-07-13
EP2342409B1 true EP2342409B1 (en) 2017-03-15

Family

ID=41261681

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09775627.4A Active EP2342409B1 (en) 2008-11-06 2009-09-07 Retaining clip for an actuator of a furniture flap

Country Status (9)

Country Link
US (1) US8590107B2 (en)
EP (1) EP2342409B1 (en)
JP (1) JP5571092B2 (en)
KR (1) KR101675606B1 (en)
CN (1) CN102197187B (en)
AT (2) AT507527A1 (en)
ES (1) ES2626640T3 (en)
HU (1) HUE034788T2 (en)
WO (1) WO2010051569A1 (en)

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WO2022082239A1 (en) * 2020-10-22 2022-04-28 Julius Blum Gmbh Furniture drive

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Also Published As

Publication number Publication date
CN102197187A (en) 2011-09-21
HUE034788T2 (en) 2018-02-28
AT507527A1 (en) 2010-05-15
EP2342409A1 (en) 2011-07-13
US20110193458A1 (en) 2011-08-11
KR101675606B1 (en) 2016-11-11
KR20110086688A (en) 2011-07-29
WO2010051569A1 (en) 2010-05-14
JP2012507644A (en) 2012-03-29
JP5571092B2 (en) 2014-08-13
ES2626640T3 (en) 2017-07-25
US8590107B2 (en) 2013-11-26
CN102197187B (en) 2014-09-10
AT15281U1 (en) 2017-04-15

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