EP1831495B1 - Control mechanism provided with at least one adjusting arm - Google Patents

Control mechanism provided with at least one adjusting arm Download PDF

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Publication number
EP1831495B1
EP1831495B1 EP05819101.6A EP05819101A EP1831495B1 EP 1831495 B1 EP1831495 B1 EP 1831495B1 EP 05819101 A EP05819101 A EP 05819101A EP 1831495 B1 EP1831495 B1 EP 1831495B1
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EP
European Patent Office
Prior art keywords
actuating arm
actuating
drive according
coupling portion
bearing axis
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
EP05819101.6A
Other languages
German (de)
French (fr)
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EP1831495A1 (en
Inventor
Fredi Dubach
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 EP1831495A1 publication Critical patent/EP1831495A1/en
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Publication of EP1831495B1 publication Critical patent/EP1831495B1/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
    • 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
    • E05Y2201/21—Brakes
    • 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
    • E05Y2201/224—Stops
    • 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
    • E05Y2201/23—Actuation thereof
    • E05Y2201/232—Actuation thereof by automatically acting means
    • E05Y2201/242—Actuation thereof by automatically acting means using threshold speed
    • 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
    • E05Y2201/252—Type of friction
    • E05Y2201/26—Mechanical friction
    • 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
    • E05Y2201/262—Type of motion, e.g. braking
    • E05Y2201/266—Type of motion, e.g. braking rotary
    • 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
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • 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
    • E05Y2800/40—Physical or chemical protection
    • 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 the features of the preamble of claim 1.
  • Actuators of this type are usually attached to a side wall of a furniture body and serve to move a hinged on the actuating arm furniture flap from an open to the closed position or in the reverse direction.
  • the actuators are equipped with a spring device that acts on the actuator arm in part with extremely high biasing forces, so that heavy furniture flaps can be moved.
  • a spring device that acts on the actuator arm in part with extremely high biasing forces, so that heavy furniture flaps can be moved.
  • the relatively light actuator arm is bullet-like accelerated by the spring device acted upon. For this reason, find on the housings of these actuators instructions that relate to the risk of deflecting actuator arm.
  • the acted upon by the spring device actuating arm can cause serious injury in the above-mentioned critical moments in which no flap is articulated on the actuating arm.
  • the EP 0 298 514 A1 describes a door closer with a centrifugal clutch, which is provided for braking a door.
  • the door closer comprises an actuating arm connected to the door, which in the mounting position can be pivoted about a vertically extending axis of rotation.
  • the actuator arm is acted upon by a spring in the closing direction, so that the problem of an uncontrolled, in the opening direction deflecting actuator arm does not result from the outset.
  • the EP 1 055 381 A2 shows an actuator for furniture flaps with a pivotally mounted actuating arm, wherein an opening or closing movement of a furniture flap connected to the actuating arm can be damped by a fluid damper.
  • Object of the subject invention is therefore to improve the actuator of the type mentioned above while reducing the above risk or to facilitate the handling of the actuator in mounting situations.
  • the actuator has a cooperating with the actuator brake or locking device, the effect of which depends on the pivoting speed of the actuating arm, that the actuating arm below a predetermined pivoting speed is substantially free to move and that the braking or locking device Stellarm at a swing speed greater than or equal to the predetermined swing speed brakes.
  • spring device encompasses not only spring devices with mechanical spring elements, but also all energy accumulators known from the prior art, such as, for example, spring mechanisms. Gas pressure accumulator or similar understood.
  • the intended braking or locking device of the actuator unintentional opening or knocking out of the actuating arm can be effectively prevented. Similar to the functional principle of safety belts in vehicles, the brake or locking device allows a slow, controlled movement of the actuator arm. A sudden - caused by the spring device - movement of the actuating arm while exceeding a threshold value of the swing speed causes a deceleration or an immediate stop of the actuator arm.
  • the actuator arm is movable in a conventional manner between an outer end position corresponding to an open flap and an inner end position.
  • the base body can be fastened to or in a furniture carcass, wherein a flap can be moved by the at least one actuating arm between a complete open position and a complete closed position.
  • the braking or locking device is inactive. This ensures that the brake or locking device does not affect the usual movement of the flap.
  • the pivoting speed of the actuating arm can be reduced by the braking or locking device and / or the actuating arm is temporarily suspended its pivotal position is fixable.
  • the pivoting speed of the actuating arm can thereby be gradually reduced or abruptly braked to zero.
  • the brake or locking device has a mechanical coupling device with a centrifugal clutch.
  • An advantageous embodiment of the invention provides that the actuating arm, a first, preferably spring-loaded, coupling part is arranged or formed, which is arranged on the bearing axis of the actuating arm with radial movement clearance and is the part of the centrifugal clutch.
  • the second coupling part is pressed radially outward by the acting centrifugal force.
  • the first coupling part has at least one locking tooth which can be brought into engagement with a second coupling part, preferably an internally toothed ring.
  • the first coupling part has at least one friction lining which can be brought into engagement with a second coupling part, which is likewise preferably provided with a friction lining.
  • the occurring centrifugal force is used for pressing the friction linings, whereby the pivoting speed of the actuating arm can be reduced.
  • the first coupling part is acted upon by at least one power storage device, preferably a spring, so that it can be disengaged from the second coupling part.
  • the force storage device By the force storage device, the first coupling part of the centrifugal clutch can be brought back to a standby position.
  • the threshold value of the pivoting speed of the actuating arm since after overcoming their force, the centrifugal clutch is activated.
  • the threshold value of the swivel speed can be predetermined or set by the force storage device.
  • the threshold value of the pivoting speed can be set by the bias voltage of the same.
  • the force storage device is arranged such that they acts between the first coupling part and a preferably coaxial with the bearing axis of the actuating arm arranged receiving part.
  • the receiving part rotatably connected to the bearing axis of the actuating arm, the system comes to a sudden stop when exceeding the swing speed.
  • the receiving part is rotatably arranged on the bearing axis of the actuating arm.
  • the damping device has at least one friction damper and / or at least one fluid damper, preferably a rotary damper or a linear damper.
  • the actuator comprises a spring device with a spring-loaded actuator and a translation mechanism which converts the movement of the actuator into a pivotal movement of the actuator arm, wherein the translation mechanism has at least one pivotally mounted intermediate lever, on the one hand from the spring-loaded actuator and on the other hand, on a trained on the actuating arm or arranged control cam - preferably via a pressure roller - is applied.
  • Fig. 1a - 1e show various views of an exemplary braking or locking device.
  • 1 Fig. 1a - 1c show time sequences of the latching operation, if the threshold value of the pivoting speed of an actuator arm 12, not shown for reasons of clarity is exceeded.
  • Fig. 1a shows the unlocked state of the brake or locking device 1
  • Fig. 1b shows the moment of latching
  • Fig. 1c shows the latched state.
  • the brake or locking device 1 is designed as a ratchet gear with a pawl teeth. Coaxially with the bearing axis 3 of the actuating arm 12, a receiving part 6 is arranged.
  • the receiving part 6 is formed so that the second coupling part 4 can be pushed onto this.
  • the second coupling part 4 is formed as an internally toothed ring.
  • the first coupling part 2 forms the counterpart to the internally toothed ring 4.
  • the first coupling part 2 is designed so that it is mounted on the bearing axis 3 with radial freedom of movement, which is made possible by the slot 8.
  • the first coupling part 2 has at least one pawl or at least one latching tooth 7, which can be brought into engagement with the toothing of the ring 4.
  • An energy storage device 5, whose dimensioning determines the threshold value of the pivoting speed, acts between the first coupling part 2 and the receiving part 6.
  • the first coupling part 2 is either arranged on the actuating arm 12 or formed or preferably coaxially coupled thereto. Now, if the actuator arm 12 is acted upon by a (not shown here) spring device 19, so this centrifugal clutch can be active. If the force of the spring 5 is overcome, then the first coupling part 2 is pressed outward due to the centrifugal force acting, whereby the locking teeth 7 can engage the toothing of the ring 4.
  • Fig. 1a - 1c show the sequence of the latching process.
  • Fig. 1e shows a perspective view of the brake or Detent device 1.
  • the same mechanism can not only serve for a locking of the two coupling parts 2, 4. It is also within the scope of the invention, instead of the locking teeth 7 to arrange a friction lining on the first coupling part 2, which can cooperate by the acting centrifugal force with a friction lining of the second coupling part 4.
  • Fig. 2a - 2c show temporal sequences of the latching operation of the brake or locking device 1 in conjunction with an actuator 9, which is provided for moving a flap 27 from the closed to the open position or in the reverse direction.
  • the main body 15 of the actuator 9 is usually on a side wall 26 (FIG. Fig. 6 ) attached to a furniture body.
  • An actuating arm 12 is mounted on the bearing axis 3.
  • a spring device 19 is provided, which acts on the actuating arm 12 via an intermediate lever 11 with a torque.
  • critical moments can occur in which the actuating arm 12 unintentionally opens and can cause injuries to the assembly personnel.
  • Fig. 2a shows the unlocked state of the brake or locking device 1, wherein the actuating arm 12 can move freely, that allows a pivoting movement. If the pivoting speed of the actuating arm 12 exceeds a predetermined or predefinable threshold value, then the in Fig. 1a - 1e described coupling parts 2, 4 gradually positively connect with each other, as in Fig. 2b is shown.
  • Fig. 2c shows the latched position of the brake or locking device 1, in which the two coupling parts 2, 4 have completely locked together.
  • a damper 13 is provided, which can be actuated when the flap 27 is closed by the nose 14 formed on the actuating arm 12.
  • Fig. 3 shows a partial perspective view of an actuator 9 according to the invention.
  • An acted upon by the spring device 19 pivot lever 10 is connected to an intermediate lever 11, which in turn is coupled to the actuator arm 12.
  • the actuator arm 12 is used to move a flap 27 and is mounted on the bearing axis 3 of the base body 15.
  • the brake or locking device 1 is provided, which in the shown Embodiment is also mounted coaxially to the bearing axis 3.
  • the ratchet teeth 7 of the first coupling part 2 can be brought into engagement with the teeth of the ring 4 when exceeding the predetermined pivoting speed or when exceeding the acting torque, whereby the coupled actuating arm 12 is stopped in its movement.
  • the receiving part 6 is rotatably mounted on the bearing axis 3.
  • Fig. 4 shows an alternative embodiment of the invention.
  • the actuator 9 has a base body 15 on which a spring device 19 is mounted at the pivot point 17.
  • This spring device 19 acts on a pivot lever 10, which is mounted at the pivot point 18.
  • the force on the actuating arm 12 is transmitted via an intermediate lever 11, which is articulated on the one hand on the pivot lever 10 and on the other hand on the actuating arm 12.
  • the receiving part 6 is not rotatably mounted on the bearing axis 3, but allows a rotational movement.
  • This rotational movement is damped by a cooperating with the receiving part 6 damping device 16.
  • the damping device 16 is designed as a rotational damper, which is in communication with the outside of the receiving part 6. This has the advantage that the system does not abruptly come to a halt when a locking of the brake or locking device 1, but is braked gently and evenly.
  • Fig. 5 schematically shows a further alternative embodiment of the subject invention.
  • the operating principle of the illustrated brake or locking device 1 is the in Fig. 4 similar, in which when locking the locking teeth 7 with the internally toothed ring 4 no immediate resting of the actuating arm 12, not shown, takes place.
  • rotational damper 16 the internally toothed ring 4 is engageable on its outer side with a friction lining 21 of an outer friction ring 20 into engagement, wherein the friction ring 20 is preferably arranged fixed.
  • the friction lining 21 is designed such that the internally toothed ring 4 is difficult to rotate relative to the friction ring 20, so that a relative movement of the two parts 4, 20 is possible.
  • the friction lining 21 may comprise at least one rubber-like layer (eg with fins) or else a fluid with high viscosity. If the predetermined threshold value of the swivel speed is exceeded, locking of the ratchet teeth 7 with the internally toothed ring 4 takes place in a first step. The ratchet caused by the supplied energy Rotary movement of the internally toothed ring 4 in the counterclockwise direction is decelerated by means of the friction lining 21. Thus, when exceeding the predetermined pivoting or angular speed of the actuating arm 12 in addition to a locking and a braking effect, the same has a damped rotational movement of the actuating arm 12 until it comes to a standstill.
  • a rubber-like layer eg with fins
  • Fig. 6 shows an actuator 9 according to the invention, which is attached to a side wall 26.
  • the actuator 9 corresponds to the arrangement already described Fig. 4 , wherein the actuating arm 12 is acted upon by the spring device 19 and therefore brings the danger of an abrupt rollover with not hinged flap 27 with it.
  • a mounting fuse 22 for the empty actuator arm 12, on which no flap 27 is mounted is provided.
  • the mounting fuse 22 has a braking or locking device 1, which limits the opening speed of the empty actuating arm 12.
  • a Stellarmverinrung 24 is mounted on the actuating arm 12, which consists of the mutually telescoping parts 24a and 24b.
  • the relative position of the two parts 24a and 24b to each other can be locked by the clamping lever 24c.
  • the Stellarmverinrung 24 can be fastened at its free end by means of the bearing part 25 to a flap 27.
  • the actuating arm 12 with its Stellarmverinrung 24 is substantially freely movable below a predetermined pivoting speed, from a pivoting speed greater than or equal to the predetermined pivoting speed is a braking and / or latching of the actuating arm 12 with its Stellarmverinrung 24th
  • Fig. 7 shows an actuator 9, wherein the bearing part 25 of Stellarmverinrung 24 is connected via a flap-side fitting part 28 with a flap 27.
  • the position information chosen in the description are based on the usual installation position of the actuator 9 and on the immediately described and illustrated figure and are to be transferred to a new position analogously to a change in position.

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Braking Arrangements (AREA)
  • Fluid-Damping Devices (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Description

Die vorliegende Erfindung bezieht sich auf einen Stellantrieb mit den Merkmalen des Oberbegriffs des Patentanspruchs 1.The present invention relates to an actuator with the features of the preamble of claim 1.

Stellantriebe dieser Art werden üblicherweise an einer Seitenwand eines Möbelkorpus befestigt und dienen dazu, eine an dem Stellarm angelenkte Möbelklappe von einer Offen- in die Schließstellung bzw. in die umgekehrte Richtung zu bewegen. Entsprechend der Größe und dem Gewicht der Möbelklappe werden die Stellantriebe mit einer Federvorrichtung ausgerüstet, die den Stellarm zum Teil mit extrem hohen Vorspannkräften beaufschlagt, damit auch schwere Möbelklappen bewegt werden können. Beim Transport, bei der Montage der Klappe sowie bei einem Klappenwechsel treten kritische Momente auf, da der relativ leichte Stellarm gewehrkugelartig durch die beaufschlagende Federvorrichtung beschleunigt wird. Aus diesem Grund finden sich auf den Gehäusen dieser Stellantriebe Hinweise, die sich auf die Gefahr des ausschlagenden Stellarmes beziehen. Der von der Federvorrichtung beaufschlagte Stellarm kann in den vorstehend erwähnten kritischen Momenten, in denen keine Klappe am Stellarm angelenkt ist, schwere Verletzungen verursachen.Actuators of this type are usually attached to a side wall of a furniture body and serve to move a hinged on the actuating arm furniture flap from an open to the closed position or in the reverse direction. According to the size and weight of the furniture flap, the actuators are equipped with a spring device that acts on the actuator arm in part with extremely high biasing forces, so that heavy furniture flaps can be moved. During transport, during assembly of the flap as well as a flap change occur critical moments, since the relatively light actuator arm is bullet-like accelerated by the spring device acted upon. For this reason, find on the housings of these actuators instructions that relate to the risk of deflecting actuator arm. The acted upon by the spring device actuating arm can cause serious injury in the above-mentioned critical moments in which no flap is articulated on the actuating arm.

Die EP 0 298 514 A1 beschreibt einen Türschließer mit einer Fliehkraftkupplung, welche zur Bremsung einer Türe vorgesehen ist. Der Türschließer umfasst hierfür einen mit der Türe verbundenen Stellarm, der in Montagelage um eine vertikal verlaufende Drehachse verschwenkbar ist. Der Stellarm ist durch eine Feder in Schließrichtung beaufschlagt, sodass sich die Problematik eines unkontrollierten, in Öffnungsrichtung ausschlagenden Stellarmes von vornherein nicht ergibt.The EP 0 298 514 A1 describes a door closer with a centrifugal clutch, which is provided for braking a door. For this purpose, the door closer comprises an actuating arm connected to the door, which in the mounting position can be pivoted about a vertically extending axis of rotation. The actuator arm is acted upon by a spring in the closing direction, so that the problem of an uncontrolled, in the opening direction deflecting actuator arm does not result from the outset.

Die EP 1 055 381 A2 zeigt einen Stellantrieb für Möbelklappen mit einem schwenkbar gelagerten Stellarm, wobei eine Öffnungs- bzw. Schließbewegung einer mit dem Stellarm verbundenen Möbelklappe durch einen Fluiddämpfer dämpfbar ist.The EP 1 055 381 A2 shows an actuator for furniture flaps with a pivotally mounted actuating arm, wherein an opening or closing movement of a furniture flap connected to the actuating arm can be damped by a fluid damper.

Aufgabe der gegenständlichen Erfindung ist es daher, den Stellantrieb der eingangs erwähnten Gattung unter Reduzierung der oben genannten Gefahr zu verbessern bzw. um die Handhabung des Stellantriebs in Montagesituationen zu erleichtern.Object of the subject invention is therefore to improve the actuator of the type mentioned above while reducing the above risk or to facilitate the handling of the actuator in mounting situations.

Dies wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gelöst.This is achieved by the features of claim 1.

Gemäß der Erfindung ist vorgesehen, dass der Stellantrieb eine mit dem Stellarm zusammenwirkende Brems- oder Rastvorrichtung aufweist, deren Wirkung derart von der Schwenkgeschwindigkeit des Stellarmes abhängt, dass der Stellarm unterhalb einer vorgegebenen Schwenkgeschwindigkeit im Wesentlichen frei bewegbar ist und dass die Brems- oder Rastvorrichtung den Stellarm bei einer Schwenkgeschwindigkeit größer gleich der vorgegebenen Schwenkgeschwindigkeit bremst.According to the invention, it is provided that the actuator has a cooperating with the actuator brake or locking device, the effect of which depends on the pivoting speed of the actuating arm, that the actuating arm below a predetermined pivoting speed is substantially free to move and that the braking or locking device Stellarm at a swing speed greater than or equal to the predetermined swing speed brakes.

Unter "Federvorrichtung" sind im Rahmen der vorliegenden Erfindung nicht nur Federvorrichtungen mit mechanischen Federelementen umfasst, sondern auch alle gemäß dem Stand der Technik bekannten Kraftspeicher, wie z.B. Gasdruckspeicher oder ähnliche verstanden.In the context of the present invention, the term "spring device" encompasses not only spring devices with mechanical spring elements, but also all energy accumulators known from the prior art, such as, for example, spring mechanisms. Gas pressure accumulator or similar understood.

Durch die vorgesehene Brems- oder Rastvorrichtung des Stellantriebes kann ein unbeabsichtigtes Öffnen bzw. Ausschlagen des Stellarmes wirkungsvoll verhindert werden. Ähnlich dem Funktionsprinzip von Sicherheitsgurten in Fahrzeugen erlaubt die Brems- oder Rastvorrichtung eine langsame, kontrollierte Bewegung des Stellarmes. Eine plötzliche - von der Federvorrichtung bewirkte - Bewegung des Stellarmes bei gleichzeitiger Überschreitung eines Schwellwertes der Schwenkgeschwindigkeit bewirkt ein Abbremsen oder ein sofortiges Stoppen des Stellarmes.The intended braking or locking device of the actuator unintentional opening or knocking out of the actuating arm can be effectively prevented. Similar to the functional principle of safety belts in vehicles, the brake or locking device allows a slow, controlled movement of the actuator arm. A sudden - caused by the spring device - movement of the actuating arm while exceeding a threshold value of the swing speed causes a deceleration or an immediate stop of the actuator arm.

Der Stellarm ist in üblicher Weise zwischen einer äußeren Endlage entsprechend einer geöffneten Klappe und einer inneren Endlage bewegbar. Der Grundkörper ist an oder in einem Möbelkorpus befestigbar, wobei eine Klappe durch den zumindest einen Stellarm zwischen einer vollständigen Offenstellung und einer vollständigen Schließstellung bewegbar ist.The actuator arm is movable in a conventional manner between an outer end position corresponding to an open flap and an inner end position. The base body can be fastened to or in a furniture carcass, wherein a flap can be moved by the at least one actuating arm between a complete open position and a complete closed position.

Wird die Schwenkgeschwindigkeit des Stellarmes bzw. das auf dem Stellarm wirkende Drehmoment nicht überschritten, so ist vorgesehen, dass die Brems- oder Rastvorrichtung inaktiv ist. Damit wird erreicht, dass die Brems- oder Rastvorrichtung den üblichen Bewegungsablauf der Klappe nicht beeinflusst.If the pivoting speed of the actuating arm or the torque acting on the actuating arm is not exceeded, it is provided that the braking or locking device is inactive. This ensures that the brake or locking device does not affect the usual movement of the flap.

Vorteilhaft ist vorgesehen, dass durch die Brems- oder Rastvorrichtung die Schwenkgeschwindigkeit des Stellarmes reduzierbar und/oder der Stellarm zeitweilig in seiner Schwenklage fixierbar ist. Die Schwenkgeschwindigkeit des Stellarmes kann dabei graduell reduziert oder abrupt bis auf Null hin abgebremst werden.Advantageously, it is provided that the pivoting speed of the actuating arm can be reduced by the braking or locking device and / or the actuating arm is temporarily suspended its pivotal position is fixable. The pivoting speed of the actuating arm can thereby be gradually reduced or abruptly braked to zero.

Gemäß der Erfindung ist vorgesehen, dass die Brems- oder Rastvorrichtung eine mechanische Kupplungseinrichtung mit einer Fliehkraftkupplung aufweist. Dabei sieht eine vorteilhafte Ausgestaltung der Erfindung vor, dass am Stellarm ein erster, vorzugsweise federbelasteter, Kupplungsteil angeordnet oder ausgebildet ist, welcher an der Lagerachse des Stellarmes mit radialem Bewegungsfreiraum angeordnet ist und der Teil der Fliehkraftkupplung ist. Bei einer Überschreitung des Schwellwertes der Schwenkgeschwindigkeit des Stellarmes wird der zweite Kupplungsteil durch die wirkende Zentrifugalkraft radial nach außen gedrückt. Dabei kann es von Vorteil sein, wenn der erste Kupplungsteil zumindest einen Rastzahn aufweist, der in einer Stellung mit einem zweiten Kupplungsteil, vorzugsweise einem innen verzahnten Ring, in Eingriff bringbar ist. Alternativ zu einer Verrastung kann gemäß einem weiteren Ausführungsbeispiel der Erfindung vorgesehen sein, dass der erste Kupplungsteil zumindest einen Reibbelag aufweist, der in einer Stellung mit einem zweiten Kupplungsteil, der vorzugsweise ebenfalls mit einem Reibbelag versehen ist, in Eingriff bringbar ist. Die auftretende Fliehkraft wird dabei zum Anpressen der Reibbeläge benutzt, wodurch die Schwenkgeschwindigkeit des Stellarmes reduziert werden kann.According to the invention it is provided that the brake or locking device has a mechanical coupling device with a centrifugal clutch. An advantageous embodiment of the invention provides that the actuating arm, a first, preferably spring-loaded, coupling part is arranged or formed, which is arranged on the bearing axis of the actuating arm with radial movement clearance and is the part of the centrifugal clutch. When the threshold value of the pivoting speed of the actuating arm is exceeded, the second coupling part is pressed radially outward by the acting centrifugal force. It may be advantageous if the first coupling part has at least one locking tooth which can be brought into engagement with a second coupling part, preferably an internally toothed ring. As an alternative to latching, according to a further exemplary embodiment of the invention it can be provided that the first coupling part has at least one friction lining which can be brought into engagement with a second coupling part, which is likewise preferably provided with a friction lining. The occurring centrifugal force is used for pressing the friction linings, whereby the pivoting speed of the actuating arm can be reduced.

Im Zusammenhang mit der Fliehkraftkupplung kann günstigerweise vorgesehen sein, dass das erste Kupplungsteil durch zumindest eine Kraftspeichervorrichtung, vorzugsweise eine Feder, beaufschlagt ist, sodass dieser von dem zweiten Kupplungsteil außer Eingriff bringbar ist. Durch die Kraftspeichervorrichtung kann der erste Kupplungsteil der Fliehkraftkupplung wieder in eine Bereitschaftsposition gebracht werden. Andererseits bestimmt die Dimensionierung der Kraftspeichervorrichtung den Schwellwert der Schwenkgeschwindigkeit des Stellarmes, da nach Überwindung von deren Kraft die Fliehkraftkupplung aktivierbar ist. In diesem Zusammenhang kann es von Vorteil sein, wenn der Schwellwert der Schwenkgeschwindigkeit durch die Kraftspeichervorrichtung vorgebbar oder einstellbar ist. Wird die Kraftspeichervorrichtung von zumindest einer Feder gebildet, so kann durch die Vorspannung derselben der Schwellwert der Schwenkgeschwindigkeit eingestellt werden. In einem bevorzugten Ausführungsbeispiel der Erfindung kann vorgesehen sein, dass die Kraftspeichervorrichtung derart angeordnet ist, dass sie zwischen dem ersten Kupplungsteil und einem vorzugsweise koaxial zur Lagerachse des Stellarmes angeordneten Aufnahmeteil wirkt.In connection with the centrifugal clutch can be advantageously provided that the first coupling part is acted upon by at least one power storage device, preferably a spring, so that it can be disengaged from the second coupling part. By the force storage device, the first coupling part of the centrifugal clutch can be brought back to a standby position. On the other hand, determines the dimensioning of the power storage device, the threshold value of the pivoting speed of the actuating arm, since after overcoming their force, the centrifugal clutch is activated. In this context, it may be advantageous if the threshold value of the swivel speed can be predetermined or set by the force storage device. If the force storage device is formed by at least one spring, the threshold value of the pivoting speed can be set by the bias voltage of the same. In a preferred embodiment of the invention can be provided that the force storage device is arranged such that they acts between the first coupling part and a preferably coaxial with the bearing axis of the actuating arm arranged receiving part.

Wird der Aufnahmeteil drehfest mit der Lagerachse des Stellarmes verbunden, so kommt das System bei Überschreitung der Schwenkgeschwindigkeit schlagartig zum Stehen. Gemäß einem weiteren Ausführungsbeispiel kann vorgesehen sein, dass der Aufnahmeteil drehbar an der Lagerachse des Stellarmes angeordnet ist. In diesem Zusammenhang ist es günstig, wenn die Drehbewegung des Aufnahmeteiles durch eine Dämpfvorrichtung gedämpft ist. Besonders günstig ist es, wenn die Dämpfvorrichtung zumindest einen Reibungsdämpfer und/oder zumindest einen Fluiddämpfer, vorzugsweise einen Rotationsdämpfer oder einen Lineardämpfer, aufweist. Durch eine Dämpfung des Aufnahmeteiles kommt das System nicht schlagartig zum Stehen sondern wird sanft abgebremst, wobei die wirkenden Kräfte und Momente verringert werden können.If the receiving part rotatably connected to the bearing axis of the actuating arm, the system comes to a sudden stop when exceeding the swing speed. According to a further embodiment it can be provided that the receiving part is rotatably arranged on the bearing axis of the actuating arm. In this context, it is advantageous if the rotational movement of the receiving part is damped by a damping device. It is particularly favorable if the damping device has at least one friction damper and / or at least one fluid damper, preferably a rotary damper or a linear damper. By damping the receiving part of the system does not stop suddenly but is gently braked, whereby the forces and moments can be reduced.

Ein günstiges Ausführungsbeispiel der Erfindung sieht vor, dass der Stellantrieb eine Federvorrichtung mit einem federbelasteten Stellteil und einen Übersetzungsmechanismus aufweist, der die Bewegung des Stellteiles in eine Schwenkbewegung des Stellarmes umsetzt, wobei der Übersetzungsmechanismus zumindest einen schwenkbar gelagerten Zwischenhebel aufweist, der einerseits vom federbelasteten Stellteil und andererseits an einer am Stellarm ausgebildeten oder angeordneten Steuernocke - vorzugsweise über eine Druckrolle - anliegt.A favorable embodiment of the invention provides that the actuator comprises a spring device with a spring-loaded actuator and a translation mechanism which converts the movement of the actuator into a pivotal movement of the actuator arm, wherein the translation mechanism has at least one pivotally mounted intermediate lever, on the one hand from the spring-loaded actuator and on the other hand, on a trained on the actuating arm or arranged control cam - preferably via a pressure roller - is applied.

Weitere Einzelheiten und Vorteile der vorliegenden Erfindung werden anhand der Figurenbeschreibung unter Bezugnahme auf die Zeichnungen im Folgenden näher erläutert. Darin zeigt bzw. zeigen:

Fig. 1a - 1e
verschiedene Ansichten einer beispielhaften Brems- oder Rastvorrichtung,
Fig. 2a - 2c
zeitliche Abfolgen einer Verrastung der Brems- oder Rastvorrichtung, die Teil des erfindungsgemäßen Stellantriebes ist,
Fig. 3
eine perspektivische Darstellung der Brems- oder Rastvorrichtung,
Fig. 4
ein weiteres Ausführungsbeispiel der Erfindung mit gedämpftem Aufnahmeteil,
Fig. 5
ein weiteres Ausführungsbeispiel mit einer Rast- und einer Bremsvorrichtung,
Fig. 6
den an einer Möbelseitenwand befestigten Stellantrieb, an dem noch keine Klappe montiert ist,
Fig. 7
den an der Seitenwand befestigten Stellantrieb mit montierter Klappe.
Further details and advantages of the present invention will be explained in more detail below with reference to the description of the figures with reference to the drawings. It shows or shows:
Fig. 1a - 1e
different views of an exemplary braking or locking device,
Fig. 2a - 2c
time sequences of a locking of the brake or locking device, which is part of the actuator according to the invention,
Fig. 3
a perspective view of the brake or locking device,
Fig. 4
a further embodiment of the invention with a damped receiving part,
Fig. 5
Another embodiment with a locking and a braking device,
Fig. 6
the actuator attached to a furniture sidewall, to which no flap has yet been mounted,
Fig. 7
attached to the side wall actuator with mounted flap.

Fig. 1a - 1e zeigen verschiedenen Ansichten einer beispielhaften Brems- oder Rastvorrichtung 1. Fig. 1a - 1c zeigen zeitliche Abfolgen des Einrastvorganges, falls der Schwellwert der Schwenkgeschwindigkeit eines aus Gründen der Übersichtlichkeit nicht dargestellten Stellarmes 12 überschritten wird. Fig. 1a zeigt den unverrasteten Zustand der Brems- oder Rastvorrichtung 1, Fig. 1b zeigt den Moment des Einrastvorganges und Fig. 1c zeigt den verrasteten Zustand. Wie insbesondere aus der Explosionsdarstellung der Fig. 1d ersichtlich, ist die Brems- oder Rastvorrichtung 1 als Klinkengesperre mit einer Klinkenverzahnung ausgeführt. Koaxial zur Lagerachse 3 des Stellarmes 12 ist ein Aufnahmeteil 6 angeordnet. Der Aufnahmeteil 6 ist so ausgebildet, dass der zweite Kupplungsteil 4 auf diesen aufgeschoben werden kann. Im gezeigten Ausführungsbeispiel ist der zweite Kupplungsteil 4 als innen verzahnter Ring ausgebildet. Der erste Kupplungsteil 2 bildet das Gegenstück zum innen verzahnten Ring 4. Der erste Kupplungsteil 2 ist so konstruiert, dass er an der Lagerachse 3 mit radialem Bewegungsfreiraum gelagert ist, was durch das Langloch 8 ermöglicht wird. Im Weiteren weist der erste Kupplungsteil 2 zumindest eine Klinke oder zumindest einen Rastzahn 7 auf, der mit der Verzahnung des Ringes 4 in Eingriff bringbar ist. Eine Kraftspeichervorrichtung 5, deren Dimensionierung den Schwellwert der Schwenkgeschwindigkeit bestimmt, wirkt zwischen dem ersten Kupplungsteil 2 und dem Aufnahmeteil 6. Der erste Kupplungsteil 2 ist entweder am Stellarm 12 angeordnet oder ausgebildet oder mit diesem vorzugsweise koaxial gekoppelt. Wird nun der Stellarm 12 über eine (hier nicht dargestellte) Federvorrichtung 19 beaufschlagt, so kann diese Fliehkraftkupplung aktiv werden. Wird die Kraft der Feder 5 überwunden, so wird der erste Kupplungsteil 2 aufgrund der wirkenden Zentrifugal- oder Fliehkraft nach außen gedrückt, wodurch die Rastzähne 7 mit der Verzahnung des Ringes 4 in Eingriff kommen können. Fig. 1a - 1c zeigen den Ablauf des Einrastvorganges. Fig. 1e zeigt eine perspektivische Darstellung der Brems- oder Rastvorrichtung 1. Der gleiche Mechanismus kann nicht nur für eine Verrastung der beiden Kupplungsteile 2, 4 dienen. Es liegt auch im Rahmen der Erfindung, statt der Rastzähne 7 einen Reibbelag am ersten Kupplungsteil 2 anzuordnen, der durch die wirkende Zentrifugalkraft mit einem Reibbelag des zweiten Kupplungsteiles 4 zusammenwirken kann. Fig. 1a - 1e show various views of an exemplary braking or locking device. 1 Fig. 1a - 1c show time sequences of the latching operation, if the threshold value of the pivoting speed of an actuator arm 12, not shown for reasons of clarity is exceeded. Fig. 1a shows the unlocked state of the brake or locking device 1, Fig. 1b shows the moment of latching and Fig. 1c shows the latched state. As in particular from the exploded view of Fig. 1d it can be seen, the brake or locking device 1 is designed as a ratchet gear with a pawl teeth. Coaxially with the bearing axis 3 of the actuating arm 12, a receiving part 6 is arranged. The receiving part 6 is formed so that the second coupling part 4 can be pushed onto this. In the illustrated embodiment, the second coupling part 4 is formed as an internally toothed ring. The first coupling part 2 forms the counterpart to the internally toothed ring 4. The first coupling part 2 is designed so that it is mounted on the bearing axis 3 with radial freedom of movement, which is made possible by the slot 8. Furthermore, the first coupling part 2 has at least one pawl or at least one latching tooth 7, which can be brought into engagement with the toothing of the ring 4. An energy storage device 5, whose dimensioning determines the threshold value of the pivoting speed, acts between the first coupling part 2 and the receiving part 6. The first coupling part 2 is either arranged on the actuating arm 12 or formed or preferably coaxially coupled thereto. Now, if the actuator arm 12 is acted upon by a (not shown here) spring device 19, so this centrifugal clutch can be active. If the force of the spring 5 is overcome, then the first coupling part 2 is pressed outward due to the centrifugal force acting, whereby the locking teeth 7 can engage the toothing of the ring 4. Fig. 1a - 1c show the sequence of the latching process. Fig. 1e shows a perspective view of the brake or Detent device 1. The same mechanism can not only serve for a locking of the two coupling parts 2, 4. It is also within the scope of the invention, instead of the locking teeth 7 to arrange a friction lining on the first coupling part 2, which can cooperate by the acting centrifugal force with a friction lining of the second coupling part 4.

Fig. 2a - 2c zeigen zeitliche Abfolgen des Einrastvorganges der Brems- oder Rastvorrichtung 1 in Verbindung mit einem Stellantrieb 9, der zum Bewegen einer Klappe 27 von der Schließ- in die Offenstellung bzw. in die umgekehrte Richtung vorgesehen ist. Der Grundkörper 15 des Stellantriebes 9 wird üblicherweise an einer Seitenwand 26 (Fig. 6) eines Möbelkorpus befestigt. Ein Stellarm 12 ist an der Lagerachse 3 gelagert. Zum Gewichtsausgleich der Klappe 27 ist eine Federvorrichtung 19 vorgesehen, die den Stellarm 12 über einen Zwischenhebel 11 mit einem Drehmoment beaufschlagt. Bei nicht angelenkter Klappe 27 können dabei kritische Momente auftreten, in denen sich der Stellarm 12 unbeabsichtigt öffnet und Verletzungen am Montagepersonal verursachen kann. Aus diesem Grund ist die Brems- oder Rastvorrichtung 1 vorgesehen, die vorzugsweise koaxial zur Lagerachse 3 des Stellarmes 12 angeordnet ist. Fig. 2a zeigt den unverrasteten Zustand der Brems- oder Rastvorrichtung 1, wobei sich der Stellarm 12 frei bewegen kann, d.h. eine Schwenkbewegung zulässt. Übersteigt die Schwenkgeschwindigkeit des Stellarmes 12 einen vorgegebenen oder vorgebbaren Schwellwert, so beginnen sich die in Fig. 1a - 1e beschriebenen Kupplungsteile 2, 4 allmählich formschlüssig miteinander zu verbinden, so wie dies in Fig. 2b dargestellt ist. Fig. 2c zeigt die verrastete Stellung der Brems- oder Rastvorrichtung 1, bei der sich die beiden Kupplungsteile 2, 4 vollständig miteinander verrastet haben. Um beim schwungvollen Schließen der Klappe 27 Schlaggeräusche zu vermeiden oder zumindest zu reduzieren, ist ein Dämpfer 13 vorgesehen, der beim Schließen der Klappe 27 durch die am Stellarm 12 ausgebildete Nase 14 betätigbar ist. Fig. 2a - 2c show temporal sequences of the latching operation of the brake or locking device 1 in conjunction with an actuator 9, which is provided for moving a flap 27 from the closed to the open position or in the reverse direction. The main body 15 of the actuator 9 is usually on a side wall 26 (FIG. Fig. 6 ) attached to a furniture body. An actuating arm 12 is mounted on the bearing axis 3. To balance the weight of the flap 27, a spring device 19 is provided, which acts on the actuating arm 12 via an intermediate lever 11 with a torque. In the case of non-hinged flap 27, critical moments can occur in which the actuating arm 12 unintentionally opens and can cause injuries to the assembly personnel. For this reason, the braking or locking device 1 is provided, which is preferably arranged coaxially to the bearing axis 3 of the actuating arm 12. Fig. 2a shows the unlocked state of the brake or locking device 1, wherein the actuating arm 12 can move freely, that allows a pivoting movement. If the pivoting speed of the actuating arm 12 exceeds a predetermined or predefinable threshold value, then the in Fig. 1a - 1e described coupling parts 2, 4 gradually positively connect with each other, as in Fig. 2b is shown. Fig. 2c shows the latched position of the brake or locking device 1, in which the two coupling parts 2, 4 have completely locked together. In order to avoid or at least reduce striking sounds when pivoting the flap 27, a damper 13 is provided, which can be actuated when the flap 27 is closed by the nose 14 formed on the actuating arm 12.

Fig. 3 zeigt eine perspektivische Teilansicht eines erfindungsgemäßen Stellantriebes 9. Ein von der Federvorrichtung 19 beaufschlagter Schwenkhebel 10 ist mit einem Zwischenhebel 11 verbunden, der wiederum mit dem Stellarm 12 gekoppelt ist. Der Stellarm 12 dient zum Bewegen einer Klappe 27 und ist an der Lagerachse 3 des Grundkörpers 15 gelagert. Zur Beschränkung der Schwenkgeschwindigkeit des Stellarmes 12 ist die Brems- oder Rastvorrichtung 1 vorgesehen, die im gezeigten Ausführungsbeispiel ebenfalls koaxial zur Lagerachse 3 gelagert ist. Die Rastzähne 7 des ersten Kupplungsteiles 2 können bei Überschreitung der vorgegebenen Schwenkgeschwindigkeit bzw. bei Überschreitung des wirkenden Drehmomentes mit der Verzahnung des Ringes 4 in Eingriff gebracht werden, wodurch der gekoppelte Stellarm 12 in seiner Bewegung abgestoppt wird. Im gezeigten Ausführungsbeispiel ist der Aufnahmeteil 6 drehfest an der Lagerachse 3 angeordnet. Fig. 3 shows a partial perspective view of an actuator 9 according to the invention. An acted upon by the spring device 19 pivot lever 10 is connected to an intermediate lever 11, which in turn is coupled to the actuator arm 12. The actuator arm 12 is used to move a flap 27 and is mounted on the bearing axis 3 of the base body 15. To limit the pivoting speed of the actuating arm 12, the brake or locking device 1 is provided, which in the shown Embodiment is also mounted coaxially to the bearing axis 3. The ratchet teeth 7 of the first coupling part 2 can be brought into engagement with the teeth of the ring 4 when exceeding the predetermined pivoting speed or when exceeding the acting torque, whereby the coupled actuating arm 12 is stopped in its movement. In the illustrated embodiment, the receiving part 6 is rotatably mounted on the bearing axis 3.

Fig. 4 zeigt ein alternatives Ausführungsbeispiel der Erfindung. Der Stellantrieb 9 weist einen Grundkörper 15 auf, an dem eine Federvorrichtung 19 am Schwenkpunkt 17 gelagert ist. Diese Federvorrichtung 19 beaufschlagt einen Schwenkhebel 10, der am Drehpunkt 18 gelagert ist. Die Kraft auf den Stellarm 12 wird über einen Zwischenhebel 11 übertragen, der einerseits am Schwenkhebel 10 und andererseits am Stellarm 12 angelenkt ist. Im Gegensatz zu den Ausführungsbeispielen gemäß Fig. 1 - 3 ist der Aufnahmeteil 6 nicht drehfest an der Lagerachse 3 angeordnet, sondern erlaubt eine Rotationsbewegung. Diese Rotationsbewegung wird durch eine mit dem Aufnahmeteil 6 zusammenwirkende Dämpfvorrichtung 16 gedämpft. Im gezeigten Ausführungsbeispiel ist die Dämpfvorrichtung 16 als Rotationsdämpfer ausgeführt, der mit der Außenseite des Aufnahmeteils 6 in Verbindung steht. Dies hat den Vorteil, dass das System bei einer Verrastung der Brems- oder Rastvorrichtung 1 nicht schlagartig zum Stehen kommt, sondern sanft und gleichmäßig abgebremst wird. Fig. 4 shows an alternative embodiment of the invention. The actuator 9 has a base body 15 on which a spring device 19 is mounted at the pivot point 17. This spring device 19 acts on a pivot lever 10, which is mounted at the pivot point 18. The force on the actuating arm 12 is transmitted via an intermediate lever 11, which is articulated on the one hand on the pivot lever 10 and on the other hand on the actuating arm 12. In contrast to the embodiments according to Fig. 1-3 the receiving part 6 is not rotatably mounted on the bearing axis 3, but allows a rotational movement. This rotational movement is damped by a cooperating with the receiving part 6 damping device 16. In the embodiment shown, the damping device 16 is designed as a rotational damper, which is in communication with the outside of the receiving part 6. This has the advantage that the system does not abruptly come to a halt when a locking of the brake or locking device 1, but is braked gently and evenly.

Fig. 5 zeigt schematisch ein weiteres alternatives Ausführungsbeispiel der gegenständlichen Erfindung. Das Funktionsprinzip der dargestellten Brems- oder Rastvorrichtung 1 ist dem in Fig. 4 ähnlich, bei dem bei Verrastung der Rastzähne 7 mit dem innen verzahnten Ring 4 kein sofortiges Stillstehen des nicht dargestellten Stellarmes 12 erfolgt. Anstelle des in Fig. 4 gezeigten Rotationsdämpfers 16 ist der innen verzahnte Ring 4 an seiner Außenseite mit einem Reibbelag 21 eines äußeren Reibrings 20 in Eingriff bringbar, wobei der Reibring 20 vorzugsweise feststehend angeordnet ist. Der Reibbelag 21 ist derart ausgebildet, dass der innen verzahnte Ring 4 gegenüber dem Reibring 20 schwergängig verdrehbar ist, sodass eine Relativbewegung der beiden Teile 4, 20 möglich ist. Der Reibbelag 21 kann dabei wenigstens eine gummiartige Schicht (z.B. mit Lamellen) oder auch ein Fluid mit hoher Viskosität umfassen. Wird der vorgegebene Schwellwert der Schwenkgeschwindigkeit überschritten, so erfolgt in einem ersten Schritt eine Verrastung der Rastzähne 7 mit dem innen verzahnten Ring 4. Die durch die zugeführte Energie bewirkte Drehbewegung des innen verzahnten Ringes 4 im Gegenuhrzeigersinn wird mit Hilfe des Reibbelages 21 abgebremst. Somit erfolgt bei einer Überschreitung der vorgegebenen Schwenk- bzw. Winkelgeschwindigkeit des Stellarmes 12 neben einer Verrastung auch eine Bremswirkung, die eine gedämpfte Drehbewegung des Stellarmes 12 bis hin zum Stillstand desselben zur Folge hat. Fig. 5 schematically shows a further alternative embodiment of the subject invention. The operating principle of the illustrated brake or locking device 1 is the in Fig. 4 similar, in which when locking the locking teeth 7 with the internally toothed ring 4 no immediate resting of the actuating arm 12, not shown, takes place. Instead of in Fig. 4 shown rotational damper 16, the internally toothed ring 4 is engageable on its outer side with a friction lining 21 of an outer friction ring 20 into engagement, wherein the friction ring 20 is preferably arranged fixed. The friction lining 21 is designed such that the internally toothed ring 4 is difficult to rotate relative to the friction ring 20, so that a relative movement of the two parts 4, 20 is possible. The friction lining 21 may comprise at least one rubber-like layer (eg with fins) or else a fluid with high viscosity. If the predetermined threshold value of the swivel speed is exceeded, locking of the ratchet teeth 7 with the internally toothed ring 4 takes place in a first step. The ratchet caused by the supplied energy Rotary movement of the internally toothed ring 4 in the counterclockwise direction is decelerated by means of the friction lining 21. Thus, when exceeding the predetermined pivoting or angular speed of the actuating arm 12 in addition to a locking and a braking effect, the same has a damped rotational movement of the actuating arm 12 until it comes to a standstill.

Fig. 6 zeigt einen erfindungsgemäßen Stellantrieb 9, der an einer Seitenwand 26 befestigt ist. Der Stellantrieb 9 entspricht der bereits beschriebenen Anordnung aus Fig. 4, wobei der Stellarm 12 von der Federvorrichtung 19 beaufschlagt ist und daher bei nicht angelenkter Klappe 27 die Gefahr eines abrupten Ausschlagens mit sich bringt. Zu diesem Zweck ist eine Montagesicherung 22 für den leeren Stellarm 12, an dem noch keine Klappe 27 montiert ist, vorgesehen. Die Montagesicherung 22 weist eine Brems- oder Rastvorrichtung 1 auf, welche die Öffnungsgeschwindigkeit des leeren Stellarmes 12 begrenzt. In der gezeigten Figur ist am Stellarm 12 eine Stellarmverlängerung 24 montiert, die aus den zueinander teleskopierbaren Teilen 24a und 24b besteht. Die relative Lage der beiden Teile 24a und 24b zueinander kann durch den Klemmhebel 24c arretiert werden. Die Stellarmverlängerung 24 ist an ihrem freien Ende mittels des Lagerteiles 25 an einer Klappe 27 befestigbar. Der Stellarm 12 mit seiner Stellarmverlängerung 24 ist unterhalb einer vorgegebenen Schwenkgeschwindigkeit im Wesentlichen frei bewegbar, ab einer Schwenkgeschwindigkeit größer gleich der vorgegebenen Schwenkgeschwindigkeit erfolgt eine Bremsung und/oder eine Verrastung des Stellarmes 12 mit seiner Stellarmverlängerung 24. Fig. 6 shows an actuator 9 according to the invention, which is attached to a side wall 26. The actuator 9 corresponds to the arrangement already described Fig. 4 , wherein the actuating arm 12 is acted upon by the spring device 19 and therefore brings the danger of an abrupt rollover with not hinged flap 27 with it. For this purpose, a mounting fuse 22 for the empty actuator arm 12, on which no flap 27 is mounted, is provided. The mounting fuse 22 has a braking or locking device 1, which limits the opening speed of the empty actuating arm 12. In the figure shown, a Stellarmverlängerung 24 is mounted on the actuating arm 12, which consists of the mutually telescoping parts 24a and 24b. The relative position of the two parts 24a and 24b to each other can be locked by the clamping lever 24c. The Stellarmverlängerung 24 can be fastened at its free end by means of the bearing part 25 to a flap 27. The actuating arm 12 with its Stellarmverlängerung 24 is substantially freely movable below a predetermined pivoting speed, from a pivoting speed greater than or equal to the predetermined pivoting speed is a braking and / or latching of the actuating arm 12 with its Stellarmverlängerung 24th

Fig. 7 zeigt einen Stellantrieb 9, wobei das Lagerteil 25 der Stellarmverlängerung 24 über ein klappenseitiges Beschlagteil 28 mit einer Klappe 27 verbunden ist. Fig. 7 shows an actuator 9, wherein the bearing part 25 of Stellarmverlängerung 24 is connected via a flap-side fitting part 28 with a flap 27.

Die in der Beschreibung gewählten Lageangaben sind auf die übliche Einbaulage des Stellantriebes 9 bzw. auf die unmittelbar beschriebene sowie dargestellte Figur bezogen und sind bei einer Lageänderung sinngemäß auf die neue Lage zu übertragen.The position information chosen in the description are based on the usual installation position of the actuator 9 and on the immediately described and illustrated figure and are to be transferred to a new position analogously to a change in position.

Claims (12)

  1. An actuating drive (9) for driving a flap (27) of an item of furniture, including:
    - at least one actuating arm (12) for moving the flap (23),
    - a base member (15) on which the actuating arm (12), in the mounting position on a furniture carcass, is pivotally mounted about a horizontal bearing axis (3),
    - a spring device (19) by which the actuating arm (12) is pressurized about the bearing axis (3) towards the opening direction,
    - an assembly securing device (22) for the vacant actuating arm (12), on which no flap (23) has yet been fitted, wherein the assembly securing device (22) includes a braking or latching device (1) for limiting the opening speed of the vacant actuating arm (12) so that an unintentional opening or kicking-out of the vacant actuating arm (12) towards the opening direction is prevented, wherein the operation of the braking or latching device (1) depends on the pivotal speed of the actuating arm (12),
    characterized in that the actuating arm (12) is substantially freely movable below a pre-set pivotal speed and that the braking or latching device (1) brakes the actuating arm (12) when the pivotal speed reaches or exceeds the pre-set pivotal speed, wherein the braking or latching device (1) includes a mechanical coupling device with a centrifugal clutch.
  2. The actuating drive according to claim 1, characterized in that arranged or formed on the actuating arm (12) is a first, preferably spring-loaded, coupling portion (2) which is arranged on the bearing axis (3) of the actuating arm (12) with radial movability and which forms part of the centrifugal clutch.
  3. The actuating drive according to claim 2, characterized in that the first coupling portion (2) has at least one latching tooth (7) which can be engaged in a position with a second coupling portion (4), preferably an internally geared ring.
  4. The actuating drive according to claim 2, characterized in that the first coupling portion (2) has at least one friction lining which can be engaged in a position with a second coupling portion (4) which preferably also has a friction lining.
  5. The actuating drive according to claim 3 or 4, characterized in that the second coupling portion (4) is coaxially arranged with respect to the bearing axis (3) of the actuating arm (12).
  6. The actuating drive according to one of the claims 3 to 5, characterized in that the first coupling portion (2) is acted upon by at least one energy storage device (5), preferably a spring, so that the first coupling portion (2) can be brought out of engagement from the second coupling portion (4).
  7. The actuating drive according to claim 6, characterized in that the threshold of the pivotal speed can be predetermined or adjusted by the energy storage device (5).
  8. The actuating drive according to claim 6 or 7, characterized in that the energy storage device (5) is operable between the first coupling portion (2) and a receiving portion (6) which is preferably arranged coaxially with respect to the bearing axis (3) of the actuating arm (12).
  9. The actuating drive according to claim 8, characterized in that the receiving portion (6) is arranged in a torque-proof manner on the bearing axis (3) of the actuating arm (12).
  10. The actuating drive according to claim 8, characterized in that the receiving portion (6) is pivotally arranged on the bearing axis (3) of the actuating arm (12).
  11. The actuating drive according to claim 10, characterized in that the pivotal movement of the receiving portion (6) is dampened by a damping device (16).
  12. The actuating drive according to claim 11, characterized in that the damping device (16) includes at least one frictional damper and/or at least one fluid damper, preferably a rotational damper or a linear damper.
EP05819101.6A 2004-12-28 2005-12-22 Control mechanism provided with at least one adjusting arm Active EP1831495B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0218204A AT502941B1 (en) 2004-12-28 2004-12-28 ACTUATOR FOR DRIVING A FLAP OF A FURNITURE
PCT/AT2005/000522 WO2006069412A1 (en) 2004-12-28 2005-12-22 Control mechanism provided with at least one adjusting arm

Publications (2)

Publication Number Publication Date
EP1831495A1 EP1831495A1 (en) 2007-09-12
EP1831495B1 true EP1831495B1 (en) 2017-05-10

Family

ID=36123050

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05819101.6A Active EP1831495B1 (en) 2004-12-28 2005-12-22 Control mechanism provided with at least one adjusting arm

Country Status (8)

Country Link
US (1) US7562757B2 (en)
EP (1) EP1831495B1 (en)
JP (1) JP4902548B2 (en)
CN (1) CN101091034B (en)
AT (1) AT502941B1 (en)
ES (1) ES2637002T3 (en)
HU (1) HUE033083T2 (en)
WO (1) WO2006069412A1 (en)

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Also Published As

Publication number Publication date
AT502941A1 (en) 2007-06-15
JP4902548B2 (en) 2012-03-21
JP2008525673A (en) 2008-07-17
AT502941B1 (en) 2011-05-15
HUE033083T2 (en) 2017-11-28
US20080121490A1 (en) 2008-05-29
ES2637002T3 (en) 2017-10-10
CN101091034A (en) 2007-12-19
EP1831495A1 (en) 2007-09-12
CN101091034B (en) 2011-06-01
US7562757B2 (en) 2009-07-21
WO2006069412A1 (en) 2006-07-06

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