EP4033061B1 - Actuator for furniture flap - Google Patents

Actuator for furniture flap Download PDF

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Publication number
EP4033061B1
EP4033061B1 EP22162777.1A EP22162777A EP4033061B1 EP 4033061 B1 EP4033061 B1 EP 4033061B1 EP 22162777 A EP22162777 A EP 22162777A EP 4033061 B1 EP4033061 B1 EP 4033061B1
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EP
European Patent Office
Prior art keywords
actuating
contour
drive according
arm
pivoting 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
EP22162777.1A
Other languages
German (de)
French (fr)
Other versions
EP4033061A1 (en
Inventor
Edgar Huber
Harald NUSSBICHLER
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
Original Assignee
Julius Blum GmbH
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Publication date
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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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
    • 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
    • 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
    • E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
    • E05F1/1246—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis
    • E05F1/1253—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a compression spring
    • E05F1/1261—Mechanisms in the shape of hinges or pivots, operated by springs 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
    • 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
    • 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 invention relates to an arrangement with a movable furniture part and with an actuator of the type to be described.
  • Such an actuator is for example in DE 10 2006 014 493 A1 shown.
  • a pivotably mounted actuating arm is pivotably mounted via an actuating contour arranged on the actuating arm and a pressure piece in the form of a rotatably mounted pressure roller resting against this actuating contour.
  • the adjusting contour of the adjusting arm is formed by the material thickness of the adjusting arm and also by disc parts arranged on both sides of the adjusting arm (disk parts 30, 31 in 4 ), so that this three-part design increases the contact surface to the pressure roller and consequently the forces that occur can also be distributed over a larger area.
  • the setting contours of such actuators are produced by fine blanking or fine stamping, ie by a manufacturing process in which contour-accurate workpieces with smooth and right-angled cut surfaces can be produced in one operation.
  • a benefit of this lies in the fact that the smooth cut achieved in this way enables a high surface quality to be achieved, which means that time-consuming post-processing of the setting contours (e.g. polishing) can be dispensed with.
  • a smooth surface of the positioning contour is a necessary prerequisite, because any unevenness in the positioning contour when opening and closing the movable furniture part has a negative impact on the user.
  • a disadvantage of fine blanking is that this manufacturing process is relatively expensive and only allows low cycle times in series production.
  • a further disadvantage of the previously known configurations of positioning contours is that the run-off surface of the positioning contour provided for contact with the pressure roller is determined by the thickness of the material of the positioning contour. Relatively high material thicknesses are therefore to be provided in order to provide a sufficiently stable contact surface for the pressure piece, which is in part subjected to very high prestressing forces by the spring device.
  • an adjusting mechanism for furniture flaps is shown, with a pivotally mounted adjusting arm having a surface at its end forming the adjusting contour which runs perpendicular to the pivot axis of the adjusting arm.
  • a bead protrudes axially from this surface in relation to the pivot axis, the bead running along the setting contour.
  • a slide shoe is provided with a groove which receives the bead and is guided along it. The sliding shoe thus lies flat against this bead, so that point contacts or line contacts with high surface pressure are avoided.
  • the object of the present invention is to propose an actuator of the type mentioned at the outset, the production of such an actuating contour being simplified.
  • the setting contour is formed on a contour part that is separate from the setting part, with the contour part having a fastening section for resting on the setting part and a web projecting transversely from the fastening section, with the setting contour being formed by a curved outer surface of the web, with the pressure roller is mounted on a slide that can be moved linearly relative to the housing.
  • a contour part that is separate from the control part is provided with a control contour that serves as a kind of intermediate piece between the pressure roller and the control part.
  • the actuating part which is movement-coupled to the actuating arm, is pivotably mounted about an axis of rotation.
  • the control part has a circumferential surface that is radially spaced relative to this axis of rotation, this radially spaced circumferential surface of the control part being covered at least in sections by the control contour of the contour part.
  • the setting contour of the contour part forms a contact surface for the rotatably mounted pressure roller that runs parallel to the axis of rotation of the setting part.
  • a particular advantage of the invention lies in the fact that the contoured part with the setting contour and also the setting part itself can be designed as a bent part or a deep-drawn part.
  • Deep drawing is a well-known metal forming process in which a flat metal blank is formed into a hollow body without causing any significant change in the metal thickness.
  • contour parts or control parts with large and smooth surfaces can be produced with relatively thin material thicknesses, which form the control contour for the pressure piece.
  • Fig. 1a shows a side view of a piece of furniture 1 with a furniture body 2 and with a movable furniture part 3 in the form of a flap 4, which is mounted so that it can move up relative to the furniture body 2.
  • Fig. 1b shows the piece of furniture 1 with the flap 4 in an open position, the flap 4 being pivotably mounted on hinges 22 relative to a cabinet lid 23 of the furniture body 2 .
  • an actuator 5 is provided with a housing 6 which is pivotably supported on the furniture body 2 on a bearing axis 21 .
  • the actuator 5 comprises an actuating arm 9 which, in the installed position, is pivotably mounted about a horizontal axis of rotation 10 .
  • the flap 4 is between a vertical closed position ( Fig. 1a ) and a pivoted-up open position releasing access to the furniture body 2 ( Fig. 1b ) movably mounted.
  • the free end area of the actuating arm 9 is to be connected to the flap 4 via an articulated axis 24 .
  • the actuator 5 comprises a housing 6 which is to be fastened to the furniture body 2 and in which a spring device 11 is accommodated.
  • the spring device 11 comprises at least one compression spring designed as a helical spring, but two or more helical springs—preferably connected in parallel—can also be provided.
  • the spring device 11 is supported at one end on an abutment in the form of an adjustable nut 12 which is in threaded engagement with an adjusting screw 16 .
  • the torque acting on the actuating arm 9 can be adjusted by means of an adjusting device 13 .
  • This adjusting device 13 comprises an adjusting wheel 14 with a receptacle 15 for an actuating tool, the adjusting wheel 14 interacting with the head of the adjusting screw 16 via a gear, preferably a bevel gear.
  • the adjusting screw 16 can be rotated by rotating the receptacle 15 by means of the actuating tool, as a result of which the screw nut 12 can be adjusted along the thread 17 of the adjusting screw 16 .
  • the spring device 11 can be compressed differently and consequently the force of the spring device 11 acting on the actuating arm 9 can be variably adjusted.
  • the nut 12 is in a position in which the spring device 11 is minimally pretensioned, ie the torque acting on the actuating arm 9 is at its lowest.
  • a transmission mechanism 25 is provided for transmitting a force of the spring device 11 to the actuating arm 9, which has an actuating part 29 in the form of a cam section, which is coupled in terms of movement to the actuating arm 9, an actuating contour 20 and a pressure piece 7, loaded by the spring device 11, in the form of a rotatably mounted pressure roller 19 with the pressure roller 19 being movable (i.e. rolling) along the actuating contour 20 when the actuating arm 9 is moved.
  • the pressure roller 19 is mounted on a slide 18 which is movable relative to the housing 6, preferably linearly displaceable.
  • the actuating part 29 is designed in one piece together with the actuating arm 9 , so that the axis of rotation 10 of the actuating part 29 also forms the axis of rotation 10 of the actuating arm 9 .
  • the control part 29 separately from the control arm 9, for example as a (not shown here) pivoted lever of the transmission mechanism 25, which is coupled to the control arm 9 in terms of movement. It is therefore entirely possible to arrange the actuating part 29 at a different position in the acting force train between the spring device 11 and the actuating arm 9 .
  • the actuating part 29 which is pivotably mounted about the axis of rotation 10 , has a peripheral surface 26 which is radially spaced apart from this axis of rotation 10 .
  • the pressure piece 7 in the form of the pressure roller 19 does not lie directly against the peripheral surface 26 of the actuating part 29 but against an actuating contour 20 in the form of a curved outer surface 34 which is formed on a contour part 8 separate from the actuating part 29 .
  • This setting contour 20 of the contour part 8 is arranged in such a way that the circumferential surface 26 of the setting part 29 which is radially spaced apart from the axis of rotation 10 is covered at least in sections.
  • the contour part 8 can be formed from a bent metal part or deep-drawn metal part that is inexpensive and easy to produce.
  • the contour part 8 forms an adjustment contour 20 which is eccentric relative to the axis of rotation 10 of the adjustment part 29 and influences the movement behavior of the movable furniture part 3 in terms of force.
  • the contour part 8 is coupled in motion to the actuating arm 9, with a pivoting movement of the Adjusting arm 9 also rotates the contour part 8.
  • the setting contour 20 of the contour part 8 forms a different radial distance from the axis of rotation 10 of the setting part 29 .
  • the actuating contour 20 of the contour part 8 is designed in such a way that the actuating arm 9 is pressed into the fully closed position towards the end of the closing movement by the force of the spring device 11 .
  • the pressure piece 7 in the form of the pressure roller 19 reaches an apex (this is the area of the actuating contour 20 with the greatest radial distance from the axis of rotation 10), so that the spring device 11 - after passing through a dead center position - onto the actuating arm 9 exerts a torque in the opening direction.
  • a damper (not shown here), in particular a fluid damper, can also be provided for damping the closing and/or opening movement of the actuating arm 9 .
  • the actuating part 29, which is motion-coupled to the actuating arm 9, has fastening means 27 which are connected to corresponding fastening points 30 ( Figure 4b ) of the contour part 8 interact.
  • the contour part 8 has a fastening section 28 for lateral contact with the adjusting part 29 and a web 31 projecting transversely from the fastening section 28 , the adjusting contour 20 being formed by a curved outer surface 34 of the web 31 .
  • the width B of the web 31, which forms the setting contour 20, essentially corresponds to the width B1 of the pressure part 7, i.e. essentially the width of the pressure roller 19.
  • the spring device 11 presses against the slide 18, which together with the pressure part 7 mounted on it is mounted linearly movable to the housing 6.
  • Figures 4a and 4b show two different variants of the attachment of contour parts 8 on the control part 29.
  • the control part 29 is mounted pivotably about the axis of rotation 10 and has a circumferential surface 26 spaced radially with respect to the axis of rotation 10.
  • a contour part 8 is attached only on one side of the actuating part 29 .
  • the contour part 8 has a flat mounting portion 28, which in the mounted position on a corresponding, flat side surface of the actuating part 29 rests.
  • the contoured part 8 also includes a web 31 protruding laterally from the fastening section 28 , the adjusting contour 20 for the pressure piece 7 being formed by a curved outer surface 34 of the web 31 .
  • the peripheral surface 26 of the actuating part 8 is covered by the actuating contour 20 of the contour part 8 , which does not necessarily mean that the inner side of the web 31 facing the peripheral surface 26 has to bear directly against the peripheral surface 26 of the actuating part 29 . It is preferably provided that the inner side and the outer side of the web 31 each form a contour running parallel to the axis of rotation 10 .
  • the actuating part 29 has fastening means 27 which, in the assembled state, have fastening points 30 ( Figure 4b ) of the contour part 8 interact. At least one or more attachment points 30 of the contoured part 8 are arranged eccentrically relative to the axis of rotation 10 of the adjusting part 29, so that the contoured part 8 is mounted on the adjusting part 29 so that it cannot rotate.
  • the wall thickness of the at least one contour part 8 is essentially constant.
  • Figure 4b shows a variant in which a contour part 8 with a curved outer surface 34 is arranged on both sides of the adjusting part 29 .
  • a first contour part 8 is thus fastened to a first side of the setting part 29 and a second contour part 8 is fastened to a second side of the setting part 29, with the setting contour 20 of the first contour part 8 and the setting contour 20 of the second contour part 8 (i.e. the edge regions of the webs 31 of the two contour parts 8) abut one another and at least partially cover the peripheral surface 26 of the actuating part 29.
  • Figure 5a shows another embodiment of a multi-part contour part 8, wherein the attachment portion 28 and the web 31 forming the adjusting contour 20 with the curved outer surface 34 are designed as separate components.
  • the two fastening sections 28 are fastened to the left and right of the actuating part 29, with the two fastening sections 28 thus receiving the actuating part 29 in their middle.
  • the convexly curved web 31 has a plurality of attachment points 32 in the form of tabs which are provided for connection to the two attachment sections 28 .
  • Figure 5b shows the embodiment according to FIG Figure 5a in assembled condition.
  • the attachment points 32 of the contour part 8 are provided with openings which are provided for the passage of rivets, screws or the like.
  • the control part 29 it is also possible for the control part 29 to have a bearing point in which the web 31 with the control contour 20 can be hung, and for a locking device remote from this bearing point to be provided, via which the web 31 with the control contour 20 can be used after pivoting onto the Actuating part 29 can be locked with this, preferably releasably.
  • Figures 6a-6d show an embodiment with a pressure roller 19 designed as a double-tapered roller.
  • the disk-shaped adjusting part 29 coupled in movement to the adjusting arm 9 has a contour part 8 with a fastening section 28 on both sides, the webs 31 projecting transversely from the fastening sections 28 at an angle deviating from 90°.
  • the pressure roller 19 which is rotatably mounted about the joint axis 33 , and is in the form of a double-cone roller, runs on the curved outer surfaces 34 of the webs 31 .
  • Figure 6b shows the actuating arm 9, which is pivotably mounted about the axis of rotation 10, in a view from the front, while FIG Figure 6c shows this construction in a perspective view.
  • Figure 6d shows the in Figure 6c framed area in an enlarged view, the pressure roller 19 designed as a double-cone roller being clearly visible.
  • This double-cone roller which is rotatably mounted about the joint axis 33, has two, preferably identically designed, truncated cones 19a, 19b, which are connected to one another via their smaller bases. These truncated cones 19a, 19b each roll on the outer surfaces 34 of the webs 31, which are curved in relation to the axis of rotation 10.

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Wing Frames And Configurations (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Laminated Bodies (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Description

Die vorliegende Erfindung bezieht sich auf einen Stellantrieb zum Bewegen eines bewegbaren Möbelteiles, umfassend:

  • zumindest einen um eine Drehachse schwenkbar gelagerten Stellarm zum Bewegen des bewegbaren Möbelteiles,
  • eine Federvorrichtung zur Kraftbeaufschlagung des Stellarmes,
  • einen Übertragungsmechanismus zum Übertragen einer Kraft von der Federvorrichtung auf den Stellarm, wobei der Übertragungsmechanismus ein mit dem Stellarm bewegungsgekoppeltes Stellteil, eine Stellkontur und ein von der Federvorrichtung belastetes Druckstück aufweist, wobei das Druckstück als drehbar gelagerte Druckrolle ausgebildet ist und bei einer Bewegung des Stellarmes entlang der Stellkontur verfahrbar ist, wobei die Stellkontur zwischen dem Stellteil und der Druckrolle angeordnet ist.
The present invention relates to an actuator for moving a movable furniture part, comprising:
  • at least one actuating arm pivotably mounted about an axis of rotation for moving the movable furniture part,
  • a spring device for applying force to the actuating arm,
  • a transmission mechanism for transmitting a force from the spring device to the actuating arm, wherein the transmission mechanism has an actuating part coupled in movement to the actuating arm, an actuating contour and a pressure piece loaded by the spring device, wherein the pressure piece is designed as a rotatably mounted pressure roller and when the actuating arm moves along the setting contour can be moved, the setting contour being arranged between the setting part and the pressure roller.

Im Weiteren betrifft die Erfindung eine Anordnung mit einem bewegbaren Möbelteil und mit einem Stellantrieb der zu beschreibenden Art.Furthermore, the invention relates to an arrangement with a movable furniture part and with an actuator of the type to be described.

Ein derartiger Stellantrieb ist beispielsweise in der DE 10 2006 014 493 A1 gezeigt. Hierbei ist ein schwenkbar gelagerter Stellarm über eine am Stellarm angeordnete Stellkontur und einem an dieser Stellkontur anliegenden Druckstück in Form einer drehbar gelagerten Druckrolle schwenkbar gelagert. Die Stellkontur des Stellarmes wird dabei von der Materialstärke des Stellarmes und zusätzlich von beidseitig am Stellarm angeordneten Scheibenteilen gebildet (Scheibenteile 30, 31 in Fig. 4), sodass durch diesen dreiteiligen Aufbau die Kontaktfläche zur Druckrolle vergrößert und folglich die auftretenden Kräfte auch auf einen vergrößerten Bereich verteilt werden können.Such an actuator is for example in DE 10 2006 014 493 A1 shown. In this case, a pivotably mounted actuating arm is pivotably mounted via an actuating contour arranged on the actuating arm and a pressure piece in the form of a rotatably mounted pressure roller resting against this actuating contour. The adjusting contour of the adjusting arm is formed by the material thickness of the adjusting arm and also by disc parts arranged on both sides of the adjusting arm (disk parts 30, 31 in 4 ), so that this three-part design increases the contact surface to the pressure roller and consequently the forces that occur can also be distributed over a larger area.

Üblicherweise werden die Stellkonturen solcher Stellantriebe durch Feinschneiden bzw. Feinstanzen produziert, also durch ein Fertigungsverfahren, bei dem in einem Arbeitsgang konturgenaue Werkstücke mit glatten und rechtwinkligen Schnittflächen herstellbar sind. Ein Vorteil dieser Technologie gegenüber einem üblichen Stanzverfahren liegt jedenfalls darin, dass durch den dadurch erreichten Glattschnitt eine hohe Oberflächengüte erreicht werden kann, wodurch eine aufwändige Nachbearbeitung der Stellkonturen (beispielsweise Polieren) entfallen kann. Eine glatte Oberfläche der Stellkontur ist nämlich eine notwendige Voraussetzung, weil sich allfällige Unebenheiten der Stellkontur beim Öffnen und Schließen des bewegbaren Möbelteiles für einen Benutzer negativ bemerkbar machen. Ein Nachteil des Feinstanzens liegt aber darin, dass dieses Fertigungsverfahren relativ kostenintensiv ist und nur geringe Taktzahlen in der serienmäßigen Fertigung erlaubt.Usually, the setting contours of such actuators are produced by fine blanking or fine stamping, ie by a manufacturing process in which contour-accurate workpieces with smooth and right-angled cut surfaces can be produced in one operation. A benefit of this In any case, the technology compared to a conventional stamping process lies in the fact that the smooth cut achieved in this way enables a high surface quality to be achieved, which means that time-consuming post-processing of the setting contours (e.g. polishing) can be dispensed with. A smooth surface of the positioning contour is a necessary prerequisite, because any unevenness in the positioning contour when opening and closing the movable furniture part has a negative impact on the user. A disadvantage of fine blanking, however, is that this manufacturing process is relatively expensive and only allows low cycle times in series production.

Ein weiterer Nachteil der bisher bekannten Ausführungen von Stellkonturen ist darin zu sehen, dass die für den Kontakt mit der Druckrolle vorgesehene Ablauffläche der Stellkontur durch die Materialstärke der Stellkontur bestimmt wird. Es sind also verhältnismäßig hohe Materialstärken vorzusehen, um eine ausreichend stabile Anlagefläche für das Druckstück, welches durch die Federvorrichtung zum Teil mit sehr hohen Vorspannkräften beaufschlagt ist, bereitzustellen.A further disadvantage of the previously known configurations of positioning contours is that the run-off surface of the positioning contour provided for contact with the pressure roller is determined by the thickness of the material of the positioning contour. Relatively high material thicknesses are therefore to be provided in order to provide a sufficiently stable contact surface for the pressure piece, which is in part subjected to very high prestressing forces by the spring device.

In der WO 2004/104339 A1 ist ein Stellmechanismus für Möbelklappen gezeigt, wobei ein schwenkbar gelagerter Stellarm an seinem die Stellkontur bildenden Ende eine Oberfläche aufweist, die senkrecht zur Schwenkachse des Stellarmes verläuft. Von dieser Oberfläche steht bezogen auf die Schwenkachse eine Wulst axial vor, wobei die Wulst entlang der Stellkontur verläuft. Überdies ist ein Gleitschuh mit einer Nut vorgesehen, welche die Wulst aufnimmt und entlang dieser geführt ist. Der Gleitschuh liegt somit flächig an dieser Wulst an, sodass Punktkontakte oder Linienkontakte mit hoher Flächenpressung vermieden sind. Die Oberflächengüte der Wulst spielt aber aufgrund des flächig anliegenden Gleitschuhs praktisch keine Rolle, weil allfällige Unebenheiten der Wulst durch den flächigen Kontakt des Gleitschuhs kompensiert werden und auf das Bewegungsverhalten des Stellarmes keine Auswirkungen haben. Weiterhin wird in der EP 2 003 276 A1 ein Stellmechanismus für einen schwenkbar gelagerten Stellarm mit den Merkmalen des Oberbegriffs des Anspruchs 1 offenbart.In the WO 2004/104339 A1 an adjusting mechanism for furniture flaps is shown, with a pivotally mounted adjusting arm having a surface at its end forming the adjusting contour which runs perpendicular to the pivot axis of the adjusting arm. A bead protrudes axially from this surface in relation to the pivot axis, the bead running along the setting contour. In addition, a slide shoe is provided with a groove which receives the bead and is guided along it. The sliding shoe thus lies flat against this bead, so that point contacts or line contacts with high surface pressure are avoided. However, the surface quality of the bead plays practically no role due to the planar contact of the sliding shoe, because any unevenness of the bead is compensated for by the planar contact of the sliding shoe and has no effect on the movement behavior of the actuating arm. Furthermore, in the EP 2 003 276 A1 an adjusting mechanism for a pivotally mounted adjusting arm with the features of the preamble of claim 1 is disclosed.

Aufgabe der vorliegenden Erfindung ist es, einen Stellantrieb der eingangs erwähnten Gattung vorzuschlagen, wobei die Herstellung einer solchen Stellkontur vereinfacht wird.The object of the present invention is to propose an actuator of the type mentioned at the outset, the production of such an actuating contour being simplified.

Dies wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gelöst. Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den abhängigen Unteransprüchen angegeben.According to the invention, this is achieved by the features of patent claim 1 . Further advantageous refinements of the invention are specified in the dependent subclaims.

Gemäß der Erfindung ist also vorgesehen, dass die Stellkontur an einem vom Stellteil gesonderten Konturteil ausgebildet ist, wobei das Konturteil einen Befestigungsabschnitt zur Anlage am Stellteil und einen vom Befestigungsabschnitt quer abstehenden Steg aufweist, wobei die Stellkontur von einer gekrümmten Außenfläche des Steges gebildet ist, wobei die Druckrolle an einem relativ zum Gehäuse linear verschiebbaren Schieber gelagert ist.According to the invention, it is therefore provided that the setting contour is formed on a contour part that is separate from the setting part, with the contour part having a fastening section for resting on the setting part and a web projecting transversely from the fastening section, with the setting contour being formed by a curved outer surface of the web, with the pressure roller is mounted on a slide that can be moved linearly relative to the housing.

Mit anderen Worten ist gemäß der Erfindung ein vom Stellteil gesondertes Konturteil mit einer Stellkontur vorgesehen, welche quasi als Zwischenstück zwischen Druckrolle und Stellteil dient. Bei einer Bewegung des Stellarmes ist daher die Druckrolle nicht entlang einer Kontur des mit dem Stellarm bewegungsgekoppelten Stellteiles verfahrbar gelagert, sondern entlang einer gekrümmt ausgebildeten Außenfläche des vom Stellglied gesonderten Konturteiles.In other words, according to the invention, a contour part that is separate from the control part is provided with a control contour that serves as a kind of intermediate piece between the pressure roller and the control part. When the actuating arm moves, the pressure roller is therefore not mounted so that it can be moved along a contour of the actuating part that is movement-coupled to the actuating arm, but rather along a curved outer surface of the contour part that is separate from the actuating element.

Gemäß einem Ausführungsbeispiel ist vorgesehen, dass das mit dem Stellarm bewegungsgekoppelte Stellteil um eine Drehachse schwenkbar gelagert ist. Das Stellteil weist an dem zu dieser Drehachse hin zugewandten Endbereich eine in Bezug zu dieser Drehachse radial beabstandete Umfangsfläche auf, wobei diese radial beabstandete Umfangsfläche des Stellteiles von der Stellkontur des Konturteiles zumindest abschnittsweise abgedeckt ist. Vorzugsweise ist dabei vorgesehen, dass die Stellkontur des Konturteiles eine in Bezug zur Drehachse des Stellteiles parallel verlaufende Anlagefläche für die drehbar gelagerte Druckrolle ausbildet.According to one exemplary embodiment, it is provided that the actuating part, which is movement-coupled to the actuating arm, is pivotably mounted about an axis of rotation. At the end region facing this axis of rotation, the control part has a circumferential surface that is radially spaced relative to this axis of rotation, this radially spaced circumferential surface of the control part being covered at least in sections by the control contour of the contour part. It is preferably provided that the setting contour of the contour part forms a contact surface for the rotatably mounted pressure roller that runs parallel to the axis of rotation of the setting part.

Ein besonderer Vorteil der Erfindung liegt darin, dass das Konturteil mit der Stellkontur bzw. auch das Stellteil selbst als Biegeteil bzw. Tiefziehteil ausgeführt werden kann. Das Tiefziehen ist ein bekanntes Verfahren der Metallumformung, bei dem ein ebener Metallzuschnitt zu einem Hohlkörper umgeformt wird, ohne dass dabei eine wesentliche Veränderung der Metalldicke herbeigeführt wird. Auf diese Weise können mit relativ dünnen Materialstärken Konturteile bzw. Stellteile mit großen und glatten Oberflächen hergestellt werden, welche die Stellkontur für das Druckstück ausbilden.A particular advantage of the invention lies in the fact that the contoured part with the setting contour and also the setting part itself can be designed as a bent part or a deep-drawn part. Deep drawing is a well-known metal forming process in which a flat metal blank is formed into a hollow body without causing any significant change in the metal thickness. In this way, contour parts or control parts with large and smooth surfaces can be produced with relatively thin material thicknesses, which form the control contour for the pressure piece.

Weitere Einzelheiten und Vorteile der vorliegenden Erfindung ergeben sich anhand der in den Figuren gezeigten Ausführungsbeispiele. Dabei zeigt bzw. zeigen:

Fig. 1a, 1b
ein Möbel mit einer hochbewegbaren Klappe in einer Schließstellung und in einer Offenstellung,
Fig. 2
ein mögliches Ausführungsbeispiel eines Stellantriebes in einem perspektivischen Schnitt,
Fig. 3
eine Detailansicht des Stellantriebes in einem perspektivischen Schnitt,
Fig. 4a, 4b
zwei verschiedenen Varianten der Anbringung von Konturteilen am Stellteil,
Fig. 5a, 5b
ein Ausführungsbeispiel eines mehrteilig ausgebildeten Konturteiles,
Fig. 6a-6d
ein Ausführungsbeispiel mit einer als Doppelkegelrolle ausgebildeten Druckrolle.
Further details and advantages of the present invention result from the exemplary embodiments shown in the figures. It shows or shows:
Figures 1a, 1b
a piece of furniture with a liftable flap in a closed position and in an open position,
2
a possible embodiment of an actuator in a perspective section,
3
a detailed view of the actuator in a perspective section,
Figures 4a, 4b
two different variants of attaching contour parts to the control part,
Figures 5a, 5b
an embodiment of a multi-part contour part,
Figures 6a-6d
an embodiment with a designed as a double-cone roller pressure roller.

Fig. 1a zeigt eine Seitenansicht eines Möbels 1 mit einem Möbelkorpus 2 und mit einem bewegbaren Möbelteil 3 in Form einer Klappe 4, welche relativ zum Möbelkorpus 2 hochbewegbar gelagert ist. Fig. 1b zeigt das Möbel 1 mit der Klappe 4 in einer Offenstellung, wobei die Klappe 4 über Scharniere 22 relativ zu einem Schrankdeckel 23 des Möbelkorpus 2 schwenkbar gelagert ist. Zum Bewegen der Klappe 4 ist ein Stellantrieb 5 mit einem Gehäuse 6 vorgesehen, welches am Möbelkorpus 2 an einer Lagerachse 21 schwenkbar abgestützt ist. Ferner umfasst der Stellantrieb 5 einen Stellarm 9, der in Montagelage um eine horizontal verlaufende Drehachse 10 schwenkbar gelagert ist. Durch den Stellantrieb 5 ist die Klappe 4 zwischen einer vertikalen Schließstellung (Fig. 1a) und einer hochgeschwenkten, den Zugang zum Möbelkorpus 2 freigebenden Offenstellung (Fig. 1b) bewegbar gelagert. Der freie Endbereich des Stellarmes 9 ist über eine Gelenkachse 24 mit der Klappe 4 zu verbinden. Fig. 1a shows a side view of a piece of furniture 1 with a furniture body 2 and with a movable furniture part 3 in the form of a flap 4, which is mounted so that it can move up relative to the furniture body 2. Fig. 1b shows the piece of furniture 1 with the flap 4 in an open position, the flap 4 being pivotably mounted on hinges 22 relative to a cabinet lid 23 of the furniture body 2 . For the To move the flap 4 , an actuator 5 is provided with a housing 6 which is pivotably supported on the furniture body 2 on a bearing axis 21 . In addition, the actuator 5 comprises an actuating arm 9 which, in the installed position, is pivotably mounted about a horizontal axis of rotation 10 . By the actuator 5, the flap 4 is between a vertical closed position ( Fig. 1a ) and a pivoted-up open position releasing access to the furniture body 2 ( Fig. 1b ) movably mounted. The free end area of the actuating arm 9 is to be connected to the flap 4 via an articulated axis 24 .

Fig. 2 zeigt den Stellantrieb 5 in einem perspektivischen Schnitt, wobei der Stellarm 9 um eine in Montagelage horizontal verlaufende Drehachse 10 schwenkbar gelagert ist. Der Stellantrieb 5 umfasst ein am Möbelkorpus 2 zu befestigendes Gehäuse 6, in dem eine Federvorrichtung 11 aufgenommen ist. Im gezeigten Ausführungsbeispiel umfasst die Federvorrichtung 11 zumindest eine als Schraubenfeder ausgebildete Druckfeder, es können aber auch zwei oder mehrere - vorzugsweise parallel geschaltete - Schraubenfedern vorgesehen werden. Die Federvorrichtung 11 stützt sich mit einem Ende an einem Widerlager in Form einer verstellbaren Schraubenmutter 12 ab, welche mit einer Einstellschraube 16 in Gewindeeingriff steht. Durch eine Einstellvorrichtung 13 ist das auf den Stellarm 9 wirkende Drehmoment einstellbar. Diese Einstellvorrichtung 13 umfasst ein Verstellrad 14 mit einer Aufnahme 15 für ein Betätigungswerkzeug, wobei das Verstellrad 14 über ein Getriebe, vorzugsweise ein Kegelradgetriebe, mit dem Kopf der Einstellschraube 16 zusammenwirkt. Durch Drehung der Aufnahme 15 mittels des Betätigungswerkzeuges ist die Einstellschraube 16 verdrehbar, wodurch die Schraubenmutter 12 entlang des Gewindes 17 der Einstellschraube 16 verstellbar ist. Auf diese Weise ist die Federvorrichtung 11 unterschiedlich komprimierbar und folglich die auf den Stellarm 9 wirkende Kraft der Federvorrichtung 11 veränderbar einstellbar. In der gezeigten Figur befindet sich die Schraubenmutter 12 in einer Position, in welcher die Federvorrichtung 11 minimal vorgespannt ist, d.h. dass das auf den Stellarm 9 wirkende Drehmoment am geringsten ist. 2 shows the actuating drive 5 in a perspective section, the actuating arm 9 being pivotably mounted about an axis of rotation 10 which runs horizontally in the assembled position. The actuator 5 comprises a housing 6 which is to be fastened to the furniture body 2 and in which a spring device 11 is accommodated. In the exemplary embodiment shown, the spring device 11 comprises at least one compression spring designed as a helical spring, but two or more helical springs—preferably connected in parallel—can also be provided. The spring device 11 is supported at one end on an abutment in the form of an adjustable nut 12 which is in threaded engagement with an adjusting screw 16 . The torque acting on the actuating arm 9 can be adjusted by means of an adjusting device 13 . This adjusting device 13 comprises an adjusting wheel 14 with a receptacle 15 for an actuating tool, the adjusting wheel 14 interacting with the head of the adjusting screw 16 via a gear, preferably a bevel gear. The adjusting screw 16 can be rotated by rotating the receptacle 15 by means of the actuating tool, as a result of which the screw nut 12 can be adjusted along the thread 17 of the adjusting screw 16 . In this way, the spring device 11 can be compressed differently and consequently the force of the spring device 11 acting on the actuating arm 9 can be variably adjusted. In the figure shown, the nut 12 is in a position in which the spring device 11 is minimally pretensioned, ie the torque acting on the actuating arm 9 is at its lowest.

Zum Übertragen einer Kraft der Federvorrichtung 11 auf den Stellarm 9 ist ein Übertragungsmechanismus 25 vorgesehen, welcher ein mit dem Stellarm 9 bewegungsgekoppeltes Stellteil 29 in Form eines Nockenabschnittes, eine Stellkontur 20 und ein von der Federvorrichtung 11 belastetes Druckstück 7 in Form einer drehbar gelagerten Druckrolle 19 aufweist, wobei die Druckrolle 19 bei einer Bewegung des Stellarmes 9 entlang der Stellkontur 20 verfahrbar (d.h. abrollbar) ist. Die Druckrolle 19 ist an einem relativ zum Gehäuse 6 bewegbaren - vorzugsweise linear verschiebbaren - Schieber 18 gelagert. Im gezeigten Ausführungsbeispiel ist das Stellteil 29 zusammen mit dem Stellarm 9 einstückig ausgebildet, sodass die Drehachse 10 des Stellteiles 29 auch die Drehachse 10 des Stellarmes 9 bildet. Selbstverständlich ist es auch möglich, das Stellteil 29 gesondert vom Stellarm 9 auszubilden, beispielsweise als ein (hier nicht gezeigter) schwenkbar gelagerter Hebel des Übertragungsmechanismus 25, der mit dem Stellarm 9 bewegungsgekoppelt in Verbindung steht. Es ist also durchaus möglich, das Stellteil 29 an einer anderen Position im wirkenden Kraftstrang zwischen Federvorrichtung 11 und Stellarm 9 anzuordnen.A transmission mechanism 25 is provided for transmitting a force of the spring device 11 to the actuating arm 9, which has an actuating part 29 in the form of a cam section, which is coupled in terms of movement to the actuating arm 9, an actuating contour 20 and a pressure piece 7, loaded by the spring device 11, in the form of a rotatably mounted pressure roller 19 with the pressure roller 19 being movable (i.e. rolling) along the actuating contour 20 when the actuating arm 9 is moved. The pressure roller 19 is mounted on a slide 18 which is movable relative to the housing 6, preferably linearly displaceable. In the exemplary embodiment shown, the actuating part 29 is designed in one piece together with the actuating arm 9 , so that the axis of rotation 10 of the actuating part 29 also forms the axis of rotation 10 of the actuating arm 9 . Of course, it is also possible to form the control part 29 separately from the control arm 9, for example as a (not shown here) pivoted lever of the transmission mechanism 25, which is coupled to the control arm 9 in terms of movement. It is therefore entirely possible to arrange the actuating part 29 at a different position in the acting force train between the spring device 11 and the actuating arm 9 .

Wie aus Fig. 2 gut erkennbar hervorgeht, weist das um die Drehachse 10 schwenkbar gelagerte Stellteil 29 eine in Bezug zu dieser Drehachse 10 radial beabstandete Umfangsfläche 26 auf. Somit liegt das Druckstück 7 in Form der Druckrolle 19 nicht direkt an der Umfangsfläche 26 des Stellteiles 29 an, sondern an einer Stellkontur 20 in Form einer gekrümmten Außenfläche 34, die an einem vom Stellteil 29 gesonderten Konturteil 8 ausgebildet ist. Diese Stellkontur 20 des Konturteiles 8 ist so angeordnet, dass die von der Drehachse 10 radial beabstandete Umfangsfläche 26 des Stellteiles 29 zumindest abschnittsweise abgedeckt ist. Das Konturteil 8 kann aus einem kostengünstig und einfach herstellbaren Biegemetallteil bzw. Tiefziehmetallteil gebildet sein. Das Konturteil 8 bildet eine relativ zur Drehachse 10 des Stellteiles 29 exzentrische, das Bewegungsverhalten des bewegbaren Möbelteiles 3 kräftemäßig beeinflussende Stellkontur 20 aus. Das Konturteil 8 ist mit dem Stellarm 9 bewegungsgekoppelt, wobei sich bei einer Schwenkbewegung des Stellarmes 9 auch das Konturteil 8 mitverdreht. Die Stellkontur 20 des Konturteiles 8 bildet einen unterschiedlich radialen Abstand zur Drehachse 10 des Stellteiles 29 aus. Die Stellkontur 20 des Konturteiles 8 ist so ausgelegt, dass der Stellarm 9 gegen Ende der Schließbewegung durch die Kraft der Federvorrichtung 11 in die vollständige Schließstellung gedrückt wird. Bei der Öffnungsbewegung des Stellarmes 9 gelangt das Druckstück 7 in Form der Druckrolle 19 auf einen Scheitelpunkt (das ist jener Bereich der Stellkontur 20 mit dem größten Radialabstand zur Drehachse 10), sodass die Federvorrichtung 11 - nach dem Durchlauf einer Totpunktlage - auf den Stellarm 9 ein Drehmoment in Öffnungsrichtung ausübt. Zur Dämpfung der Schließ- und/oder Öffnungsbewegung des Stellarmes 9 kann auch ein (hier nicht gezeigter) Dämpfer, insbesondere ein Fluiddämpfer, vorgesehen werden.How out 2 clearly recognizable, the actuating part 29 , which is pivotably mounted about the axis of rotation 10 , has a peripheral surface 26 which is radially spaced apart from this axis of rotation 10 . Thus, the pressure piece 7 in the form of the pressure roller 19 does not lie directly against the peripheral surface 26 of the actuating part 29 but against an actuating contour 20 in the form of a curved outer surface 34 which is formed on a contour part 8 separate from the actuating part 29 . This setting contour 20 of the contour part 8 is arranged in such a way that the circumferential surface 26 of the setting part 29 which is radially spaced apart from the axis of rotation 10 is covered at least in sections. The contour part 8 can be formed from a bent metal part or deep-drawn metal part that is inexpensive and easy to produce. The contour part 8 forms an adjustment contour 20 which is eccentric relative to the axis of rotation 10 of the adjustment part 29 and influences the movement behavior of the movable furniture part 3 in terms of force. The contour part 8 is coupled in motion to the actuating arm 9, with a pivoting movement of the Adjusting arm 9 also rotates the contour part 8. The setting contour 20 of the contour part 8 forms a different radial distance from the axis of rotation 10 of the setting part 29 . The actuating contour 20 of the contour part 8 is designed in such a way that the actuating arm 9 is pressed into the fully closed position towards the end of the closing movement by the force of the spring device 11 . During the opening movement of the actuating arm 9, the pressure piece 7 in the form of the pressure roller 19 reaches an apex (this is the area of the actuating contour 20 with the greatest radial distance from the axis of rotation 10), so that the spring device 11 - after passing through a dead center position - onto the actuating arm 9 exerts a torque in the opening direction. A damper (not shown here), in particular a fluid damper, can also be provided for damping the closing and/or opening movement of the actuating arm 9 .

Fig. 3 zeigt eine Detailansicht des Übertragungsmechanismus 25 des Stellantriebes 5. Das mit dem Stellarm 9 bewegungsgekoppelte Stellteil 29 weist Befestigungsmittel 27 auf, welche mit korrespondierenden Befestigungsstellen 30 (Fig. 4b) des Konturteiles 8 zusammenwirken. Das Konturteil 8 weist einen Befestigungsabschnitt 28 zur seitlichen Anlage am Stellteil 29 und einen vom Befestigungsabschnitt 28 quer abstehenden Steg 31 auf, wobei die Stellkontur 20 von einer gekrümmten Außenfläche 34 des Steges 31 gebildet ist. Die Breite B des Steges 31, der die Stellkontur 20 ausbildet, entspricht im Wesentlichen der Breite B1 der Druckteiles 7, also im Wesentlichen der Breite der Druckrolle 19. Die Federvorrichtung 11 drückt gegen den Schieber 18, welcher zusammen mit der daran gelagerten Druckteil 7 relativ zum Gehäuse 6 linear verfahrbar gelagert ist. 3 shows a detailed view of the transmission mechanism 25 of the actuating drive 5. The actuating part 29, which is motion-coupled to the actuating arm 9, has fastening means 27 which are connected to corresponding fastening points 30 ( Figure 4b ) of the contour part 8 interact. The contour part 8 has a fastening section 28 for lateral contact with the adjusting part 29 and a web 31 projecting transversely from the fastening section 28 , the adjusting contour 20 being formed by a curved outer surface 34 of the web 31 . The width B of the web 31, which forms the setting contour 20, essentially corresponds to the width B1 of the pressure part 7, i.e. essentially the width of the pressure roller 19. The spring device 11 presses against the slide 18, which together with the pressure part 7 mounted on it is mounted linearly movable to the housing 6.

Fig. 4a und Fig. 4b zeigen zwei verschiedene Varianten der Anbringung von Konturteilen 8 am Stellteil 29. Das Stellteil 29 ist um die Drehachse 10 schwenkbar gelagert und weist eine in Bezug zur Drehachse 10 radial beabstandete Umfangsfläche 26 auf. In Fig. 4a ist nur auf einer Seite des Stellteiles 29 ein Konturteil 8 befestigt. Das Konturteil 8 weist einen flach ausgebildeten Befestigungsabschnitt 28 auf, welcher in Montagelage an einer korrespondierenden, flach ausgebildeten Seitenfläche des Stellteiles 29 anliegt. Das Konturteil 8 umfasst ferner einen vom Befestigungsabschnitt 28 seitlich abstehenden Steg 31, wobei die Stellkontur 20 für das Druckstück 7 von einer gekrümmten Außenfläche 34 des Steges 31 gebildet ist. Durch die Stellkontur 20 des Konturteiles 8 wird die Umfangsfläche 26 des Stellteiles 8 abgedeckt, was nicht zwingend bedeutet, dass die der Umfangsfläche 26 zugewandte Innenseite des Steges 31 direkt an der Umfangsfläche 26 des Stellteiles 29 anliegen muss. Vorzugsweise ist vorgesehen, dass die Innenseite und die Außenseite des Steges 31 jeweils eine parallel zur Drehachse 10 verlaufende Kontur ausbilden. Das Stellteil 29 weist Befestigungsmittel 27 auf, welche im montierten Zustand mit Befestigungsstellen 30 (Fig. 4b) des Konturteiles 8 zusammenwirken. Zumindest eine oder mehrere Befestigungsstellen 30 des Konturteiles 8 sind relativ zur Drehachse 10 des Stellteiles 29 exzentrisch angeordnet, damit das Konturteil 8 am Stellteil 29 verdrehsicher gelagert ist. Die Wandstärke des zumindest einen Konturteiles 8 ist dabei im Wesentlichen konstant ausgebildet. Figures 4a and 4b show two different variants of the attachment of contour parts 8 on the control part 29. The control part 29 is mounted pivotably about the axis of rotation 10 and has a circumferential surface 26 spaced radially with respect to the axis of rotation 10. In Figure 4a a contour part 8 is attached only on one side of the actuating part 29 . The contour part 8 has a flat mounting portion 28, which in the mounted position on a corresponding, flat side surface of the actuating part 29 rests. The contoured part 8 also includes a web 31 protruding laterally from the fastening section 28 , the adjusting contour 20 for the pressure piece 7 being formed by a curved outer surface 34 of the web 31 . The peripheral surface 26 of the actuating part 8 is covered by the actuating contour 20 of the contour part 8 , which does not necessarily mean that the inner side of the web 31 facing the peripheral surface 26 has to bear directly against the peripheral surface 26 of the actuating part 29 . It is preferably provided that the inner side and the outer side of the web 31 each form a contour running parallel to the axis of rotation 10 . The actuating part 29 has fastening means 27 which, in the assembled state, have fastening points 30 ( Figure 4b ) of the contour part 8 interact. At least one or more attachment points 30 of the contoured part 8 are arranged eccentrically relative to the axis of rotation 10 of the adjusting part 29, so that the contoured part 8 is mounted on the adjusting part 29 so that it cannot rotate. The wall thickness of the at least one contour part 8 is essentially constant.

Fig. 4b zeigt eine Variante, bei welcher auf beiden Seiten des Stellteiles 29 ein Konturteil 8 mit einer gekrümmten Außenfläche 34 angeordnet ist. Somit ist auf einer ersten Seite des Stellteiles 29 ein erstes Konturteil 8 und auf einer zweiten Seite des Stellteiles 29 ein zweites Konturteil 8 befestigt, wobei die Stellkontur 20 des ersten Konturteiles 8 und die Stellkontur 20 des zweiten Konturteiles 8 (d.h. die Randbereiche der Stege 31 der beiden Konturteile 8) aneinander anliegen und dabei zumindest abschnittsweise die Umfangsfläche 26 des Stellteiles 29 abdecken. Figure 4b shows a variant in which a contour part 8 with a curved outer surface 34 is arranged on both sides of the adjusting part 29 . A first contour part 8 is thus fastened to a first side of the setting part 29 and a second contour part 8 is fastened to a second side of the setting part 29, with the setting contour 20 of the first contour part 8 and the setting contour 20 of the second contour part 8 (i.e. the edge regions of the webs 31 of the two contour parts 8) abut one another and at least partially cover the peripheral surface 26 of the actuating part 29.

Fig. 5a zeigt ein weiteres Ausführungsbeispiel eines mehrteilig ausgebildeten Konturteiles 8, wobei der Befestigungsabschnitt 28 und der die Stellkontur 20 ausbildende Steg 31 mit der gekrümmten Außenfläche 34 als gesonderte Bauteile ausgeführt sind. In einem ersten Montageschritt werden die beiden Befestigungsabschnitte 28 links und rechts am Stellteil 29 befestigt, wobei also die beiden Befestigungsabschnitte 28 den Stellteil 29 in ihrer Mitte aufnehmen. Figure 5a shows another embodiment of a multi-part contour part 8, wherein the attachment portion 28 and the web 31 forming the adjusting contour 20 with the curved outer surface 34 are designed as separate components. In a first assembly step, the two fastening sections 28 are fastened to the left and right of the actuating part 29, with the two fastening sections 28 thus receiving the actuating part 29 in their middle.

Der konvex gewölbte Steg 31 weist mehrere Befestigungsstellen 32 in Form von Laschen auf, welche zur Verbindung mit den beiden Befestigungsabschnitten 28 vorgesehen sind. Fig. 5b zeigt das Ausführungsbeispiel gemäß Fig. 5a im montierten Zustand. Die Befestigungsstellen 32 des Konturteiles 8 sind mit Öffnungen versehen, welche zum Durchtritt von Nieten, Schrauben oder dergleichen vorgesehen sind. Es ist aber auch möglich, dass das Stellteil 29 eine Lagerstelle aufweist, in welcher der Steg 31 mit der Stellkontur 20 einhängbar ist und dass eine von dieser Lagerstelle entfernte Verriegelungseinrichtung vorgesehen ist, über die der Steg 31 mit der Stellkontur 20 nach dem Aufschwenken auf das Stellteil 29 mit diesem, vorzugsweise lösbar, verriegelbar ist.The convexly curved web 31 has a plurality of attachment points 32 in the form of tabs which are provided for connection to the two attachment sections 28 . Figure 5b shows the embodiment according to FIG Figure 5a in assembled condition. The attachment points 32 of the contour part 8 are provided with openings which are provided for the passage of rivets, screws or the like. However, it is also possible for the control part 29 to have a bearing point in which the web 31 with the control contour 20 can be hung, and for a locking device remote from this bearing point to be provided, via which the web 31 with the control contour 20 can be used after pivoting onto the Actuating part 29 can be locked with this, preferably releasably.

Fig. 6a-6d zeigen ein Ausführungsbeispiel mit einer als Doppelkegelrolle ausgebildeten Druckrolle 19. Wie in Fig. 6a gezeigt, weist das mit dem Stellarm 9 bewegungsgekoppelte, scheibenförmige Stellteil 29 auf beiden Seiten jeweils ein Konturteil 8 mit einem Befestigungsabschnitt 28 auf, wobei die Stege 31 jeweils in einem von 90° abweichenden Winkel von den Befestigungsabschnitten 28 quer abstehen. Die um die Gelenkachse 33 drehbar gelagerte Druckrolle 19 in Form der Doppelkegelrolle läuft dabei an den gekrümmten Außenflächen 34 der Stege 31 ab. Figures 6a-6d show an embodiment with a pressure roller 19 designed as a double-tapered roller. As in FIG Figure 6a shown, the disk-shaped adjusting part 29 coupled in movement to the adjusting arm 9 has a contour part 8 with a fastening section 28 on both sides, the webs 31 projecting transversely from the fastening sections 28 at an angle deviating from 90°. The pressure roller 19 , which is rotatably mounted about the joint axis 33 , and is in the form of a double-cone roller, runs on the curved outer surfaces 34 of the webs 31 .

Fig. 6b zeigt den um die Drehachse 10 schwenkbar gelagerten Stellarm 9 in einer Ansicht von vorne, während Fig. 6c diese Konstruktion in einer perspektivischen Ansicht zeigt. Fig. 6d zeigt den in Fig. 6c eingerahmten Bereich in einer vergrößerten Ansicht, wobei die als Doppelkegelrolle ausgebildete Druckrolle 19 gut erkennbar hervorgeht. Diese um die Gelenkachse 33 drehbar gelagerte Doppelkegelrolle weist zwei, vorzugsweise identisch ausgebildete, Kegelstümpfe 19a, 19b auf, die über ihre kleineren Grundflächen miteinander verbunden sind. Diese Kegelstümpfe 19a, 19b rollen dabei jeweils an den in Bezug zur Drehachse 10 gekrümmten Außenflächen 34 der Stege 31 ab. Auf diese Weise kann eine optimale Zentrierung der Druckrolle 19, eine gleichmäßige Verteilung der auf die Druckrolle 19 ausgeübten Druckkräfte der Federvorrichtung 11 sowie ein ruhiger Lauf der Druckrolle 19 für den Linienkontakt mit den glatten, gekrümmten Außenflächen 34 der Stege 31 herbeigeführt werden. Figure 6b shows the actuating arm 9, which is pivotably mounted about the axis of rotation 10, in a view from the front, while FIG Figure 6c shows this construction in a perspective view. Figure 6d shows the in Figure 6c framed area in an enlarged view, the pressure roller 19 designed as a double-cone roller being clearly visible. This double-cone roller, which is rotatably mounted about the joint axis 33, has two, preferably identically designed, truncated cones 19a, 19b, which are connected to one another via their smaller bases. These truncated cones 19a, 19b each roll on the outer surfaces 34 of the webs 31, which are curved in relation to the axis of rotation 10. In this way, an optimal centering of the pressure roller 19, an even distribution of the pressure on the pressure roller 19 exerted compressive forces of the spring device 11 and smooth running of the pressure roller 19 for line contact with the smooth, curved outer surfaces 34 of the webs 31 are brought about.

Claims (14)

  1. An actuating drive (5) for moving a movable furniture part (3), comprising:
    - a housing (6) configured to be fixed to a furniture carcass (2),
    - at least one actuating arm (9) pivotally supported about a pivoting axis (10) for moving the movable furniture part (3),
    - a spring device (11) for applying a force to the actuating arm (9),
    - a transmission mechanism (25) for transmitting a force from the spring device (11) to the actuating arm (9), wherein the transmission mechanism (25) includes an actuating portion (29) movement-coupled to the actuating arm (9), a setting contour (20) and a pressure portion (7) pressurized by the spring device (11), the pressure portion (7) being configured as a rotatably mounted pressure roller (19) and being configured to run along the setting contour (20) upon a movement of the actuating arm (9), wherein the setting contour (20) is arranged between the actuating portion (29) and the pressure roller (19),
    - wherein the setting contour (20) is arranged on a contour portion (8) separate from the actuating portion (29), wherein the contour portion (8) has a fastening section (28) configured to bear against the actuating portion (29) and a limb (31) protruding transversely from the fastening portion (28), wherein the setting contour (20) is formed by a curved outer surface (34) of the limb (31),
    characterized in that the pressure roller (19) is supported on a slider (18) which is linearly displaceable relative to the housing (6).
  2. The actuating drive according to claim 1, characterized in that the limb (31) protrudes transversely from the fastening section (28) in a direction extending parallel to the pivoting axis (10) of the actuating arm (9).
  3. The actuating drive according to claim 1 or 2, characterized in that the limb (31) has a width (B) corresponding substantially to a width (B1) of the pressure roller (19).
  4. The actuating drive according to one of the claims 1 to 3, characterized in that the fastening section (28) of the contour portion (8) includes at least one fastening location (30) configured to be fixed to the actuating portion (29), wherein it is preferably provided that the at least one fastening location (30) is arranged eccentrically relative to the pivoting axis (10) of the actuating portion (29).
  5. The actuating drive according to one of the claims 1 to 4, characterized in that the contour portion (8) is connected to the actuating portion (29) in a movement-coupled manner, wherein the contour portion (8) is also entrained upon a movement of the actuating portion (29).
  6. The actuating drive according to one of the claims 1 to 5, characterized in that the actuating portion (29) is pivotally supported about a pivoting axis (10), wherein it is preferably provided that the pivoting axis (10), about which the actuating portion (29) is pivotally supported, is also the pivoting axis (10) of the actuating arm (9), wherein it is preferably provided that the actuating portion (29) has a peripheral surface (26) on an end region facing towards the pivoting axis (10), the peripheral surface (26) being radially spaced from the pivoting axis (10), wherein the peripheral surface (26) of the actuating portion (29) is at least partially covered by the setting contour (20) of the contour portion (8).
  7. The actuating drive according to claim 6, characterized in that a first contour portion (8) is fixed to a first side of the actuating portion (29) and a second actuating portion (8) is fixed to a second side of the actuating portion (29), the setting contour (20) of the first contour portion (8) and the setting contour (20) of the second contour portion (8) bearing against each other and thereby at least partially cover the peripheral surface (26) of the actuating portion (29).
  8. The actuating drive according to one of the claims 1 to 7, characterized in that the contour portion (8) and/or the actuating portion (29) is made of a, preferably bent or a deep-drawn, metal portion.
  9. The actuating drive according to one of the claims 1 to 8, characterized in that the actuating portion (29) is formed or arranged on the actuating arm (9).
  10. The actuating drive according to one of the claims 1 to 9, characterized in that the spring device (11) includes at least one helical spring, preferably configured as a compression spring.
  11. The actuating drive according to one of the claims 1 to 10, characterized in that the pivoting axis (10) of the actuating arm (9) extends horizontally in the mounting position, and that the actuating arm (9) can be pressurized by the spring device (11) about the pivoting axis (10) in an opening direction.
  12. The actuating drive according to one of the claims 1 to 11, characterized in that the pressure roller (19) is configured as a double-tapered roller having two tapered cones (19a, 19b) connected to each other, wherein it is preferably provided that the tapered cones (19a, 19b) are connected to each other via their smaller base surfaces.
  13. The actuating drive according to one of the claims 1 to 12, characterized in that the actuating portion (29) and the actuating arm (9) are formed together so as to have an integral one-piece configuration.
  14. An arrangement comprising a movable furniture part (3) and an actuating drive (5) according to one of the claims 1 to 13 for moving the movable furniture part (3).
EP22162777.1A 2014-03-14 2015-02-19 Actuator for furniture flap Active EP4033061B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ATA183/2014A AT515492B1 (en) 2014-03-14 2014-03-14 Actuator for furniture flaps
EP19203475.9A EP3613932B1 (en) 2014-03-14 2015-02-19 Actuator for furniture valves
PCT/AT2015/000028 WO2015135007A1 (en) 2014-03-14 2015-02-19 Adjusting drive for furniture flaps
EP15712031.2A EP3117061B1 (en) 2014-03-14 2015-02-19 Actuator for cabinet lids

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP19203475.9A Division EP3613932B1 (en) 2014-03-14 2015-02-19 Actuator for furniture valves
EP19203475.9A Division-Into EP3613932B1 (en) 2014-03-14 2015-02-19 Actuator for furniture valves
EP15712031.2A Division EP3117061B1 (en) 2014-03-14 2015-02-19 Actuator for cabinet lids

Publications (2)

Publication Number Publication Date
EP4033061A1 EP4033061A1 (en) 2022-07-27
EP4033061B1 true EP4033061B1 (en) 2023-08-30

Family

ID=52736763

Family Applications (3)

Application Number Title Priority Date Filing Date
EP15712031.2A Active EP3117061B1 (en) 2014-03-14 2015-02-19 Actuator for cabinet lids
EP19203475.9A Active EP3613932B1 (en) 2014-03-14 2015-02-19 Actuator for furniture valves
EP22162777.1A Active EP4033061B1 (en) 2014-03-14 2015-02-19 Actuator for furniture flap

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP15712031.2A Active EP3117061B1 (en) 2014-03-14 2015-02-19 Actuator for cabinet lids
EP19203475.9A Active EP3613932B1 (en) 2014-03-14 2015-02-19 Actuator for furniture valves

Country Status (10)

Country Link
US (1) US9903145B2 (en)
EP (3) EP3117061B1 (en)
JP (1) JP6302078B2 (en)
CN (1) CN106068356B (en)
AT (1) AT515492B1 (en)
ES (3) ES2964511T3 (en)
HU (2) HUE064078T2 (en)
PL (1) PL3117061T3 (en)
RU (1) RU2639971C1 (en)
WO (1) WO2015135007A1 (en)

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Also Published As

Publication number Publication date
EP4033061A1 (en) 2022-07-27
ES2774658T3 (en) 2020-07-22
JP2017507261A (en) 2017-03-16
US9903145B2 (en) 2018-02-27
AT515492B1 (en) 2020-01-15
PL3117061T3 (en) 2020-06-01
JP6302078B2 (en) 2018-03-28
WO2015135007A1 (en) 2015-09-17
EP3613932B1 (en) 2022-06-22
CN106068356A (en) 2016-11-02
ES2924839T3 (en) 2022-10-11
AT515492A1 (en) 2015-09-15
EP3117061B1 (en) 2019-11-27
HUE059733T2 (en) 2022-12-28
RU2639971C1 (en) 2017-12-25
EP3613932A1 (en) 2020-02-26
ES2964511T3 (en) 2024-04-08
EP3117061A1 (en) 2017-01-18
CN106068356B (en) 2018-02-23
HUE064078T2 (en) 2024-02-28
US20160376823A1 (en) 2016-12-29

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