EP3426872B1 - Actuating drive for driving a movably mounted furniture part - Google Patents

Actuating drive for driving a movably mounted furniture part Download PDF

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Publication number
EP3426872B1
EP3426872B1 EP17712694.3A EP17712694A EP3426872B1 EP 3426872 B1 EP3426872 B1 EP 3426872B1 EP 17712694 A EP17712694 A EP 17712694A EP 3426872 B1 EP3426872 B1 EP 3426872B1
Authority
EP
European Patent Office
Prior art keywords
actuating arm
actuating
end position
damper
movement
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
EP17712694.3A
Other languages
German (de)
French (fr)
Other versions
EP3426872A1 (en
Inventor
Harald Brunnmayr
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Julius Blum GmbH filed Critical Julius Blum GmbH
Priority to EP22186254.3A priority Critical patent/EP4098834A1/en
Publication of EP3426872A1 publication Critical patent/EP3426872A1/en
Application granted granted Critical
Publication of EP3426872B1 publication Critical patent/EP3426872B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
    • E05F3/106—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction with crank-arm transmission between driving shaft and piston within the closer housing
    • 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
    • E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
    • E05F5/027—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops with closing action
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/26—Suspension arrangements for wings for folding wings
    • E05D15/262—Suspension arrangements for wings for folding wings folding vertically
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/40—Suspension arrangements for wings supported on arms movable in vertical planes
    • E05D15/46—Suspension arrangements for wings supported on arms movable in vertical planes with two pairs of pivoted arms
    • E05D15/463—Suspension arrangements for wings supported on arms movable in vertical planes with two pairs of pivoted arms specially adapted for overhead wings
    • 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
    • E05Y2201/254—Fluid or viscous friction
    • E05Y2201/256—Fluid or viscous friction with pistons or vanes
    • 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 actuator for driving a movably mounted furniture part, comprising at least one actuating arm to be connected to the furniture part, the at least one actuating arm being designed to be movable between a first and a second end position, a damper for damping both a movement of the at least one actuating arm in the first end position and a movement of the at least one actuating arm into the second end position, the damper performing a damping stroke during damping, and a coupling mechanism for coupling the at least one actuating arm or an actuating part connected or connectable to it to the damper at least during the movements of the at least one actuating arm in the two end positions, the coupling mechanism having an actuator for executing the damping stroke of the damper.
  • the invention further relates to a piece of furniture with a furniture body and at least one furniture part, preferably in the form of a flap, mounted so that it can move, preferably about a horizontal axis, and at least one actuator according to the invention arranged on the furniture body, the at least one actuating arm of the actuator being connected to the at least one furniture part connected is. From the EP 1 713 996 B1 an example of such an actuator is known.
  • a damper is provided which is mounted in a floating manner on the housing of the actuator and is acted upon by a complex lever mechanism to carry out the damping stroke.
  • This embodiment requires a large amount of space. Due to its complexity, the lever mechanism for loading the damper is also susceptible to wear and expensive.
  • the objective technical task of the present invention is therefore to provide an actuator which does not have the described disadvantages of the prior art and is characterized in particular by its compact design.
  • Another object of the invention is to specify a piece of furniture with such an actuator.
  • the actuator acts on the damper both when the at least one actuating arm moves into the first end position and when the at least one actuating arm moves into the second end position to carry out the damping stroke.
  • the fact that the damper is always acted upon to carry out the damping stroke, i.e. both during the movement of the at least one actuating arm into the first end position and during the movement of the at least one actuating arm into the second end position, is carried out by the same actuator, eliminating the need for one space-consuming force deflection mechanism.
  • the damping of the movement of the at least one actuating arm by the damper preferably takes place within the areas which are immediately in front of the two end positions.
  • the actuator has an end-position force accumulator for applying force to the at least one actuating arm both when the at least one actuating arm moves into the first end position and when the at least one actuating arm moves into the second end position. Due to the simultaneous provision of a damper and an end-position force accumulator, a damped, driven movement of the at least one actuating arm into the two end positions can take place, independently of any additional main driving force accumulator for applying force to the at least one actuating arm or for compensating for the weight of one with the at least one Adjustable arm connected movably mounted furniture part. In this case, the locking force of the furniture part is independent of the design of such a main drive force accumulator or the design of a transmission mechanism arranged between such a main drive force accumulator and the at least one actuating arm.
  • the coupling mechanism has a force transmission element, preferably pivotably mounted, with the end-position force accumulator supporting the force transmission element both during the movement of the at least one actuating arm into the first end position and during the movement of the at least applied to an actuating arm in the second end position.
  • Such a force transmission element can also be used so that the end position force accumulator can be releasably locked in the charged state via the force transmission element and a pivoting lever that can be moved relative thereto and that can positively and/or positively engage in the force transmission element, or vice versa.
  • the end-position force accumulator is then in a waiting position for releasing the force stored in the end-position force accumulator for a movement of the at least one actuating arm into the first end position or into the second end position.
  • the charging of the end-position force accumulator takes place in a favorable manner both when the at least one actuating arm moves out of the first end position, ie also when the at least one actuating arm moves out of the second end position.
  • a particularly compact design of the actuator is possible if the damper and the end-position force accumulator are arranged essentially parallel to one another.
  • the coupling of the at least one actuating arm or an actuating part that is or can be connected to it to the damper or the end-position force accumulator in the event that the at least one actuating arm performs a first pivoting movement when moving into the first end position and a second pivoting movement when moving into the second end position , which is opposite to the first pivoting movement, is carried out according to the invention in that the coupling mechanism has a pivoting lever and a rectifying mechanism for converting the two pivoting movements of the at least one actuating arm into a pivoting movement of the pivoting lever in the same direction.
  • this rectification mechanism can be solved, for example, in that the rectification mechanism has at least one first and one second control cam and at least one first and one second control element, with the two control elements being coupled for movement to the at least one actuating arm, the first control element being in the first end position of the at least one control arm is in engagement with the first cam, and the second control element is in engagement with the second control cam in the second end position of the at least one control arm, preferably with the two control cams being arranged on the pivoting lever, and/or the two control elements on the at least an actuating arm connected or connectable actuating part are arranged.
  • protection is also sought for a piece of furniture with a furniture body and at least one furniture part that is mounted so that it can move, preferably about a horizontal axis, preferably in the form of a flap, and at least one actuator according to the invention arranged on the furniture body, with the at least one actuating arm of the actuator is connected to the at least one piece of furniture.
  • figure 1 shows a side cross-sectional view of a piece of furniture 29 with a furniture body 30 and a furniture part 2 that is mounted so that it can move about a horizontal axis and is in the form of a flap, more precisely a folding flap composed of two partial flaps 34 and 35, the furniture part 2 being connected via at least one hinge 32 to the Furniture body 30 is connected and the two partial flaps 34 and 35 are pivotally connected to one another via a central hinge 33 .
  • Furniture 29 also includes at least one actuator 1, which is arranged on a side wall 31 of furniture body 30, actuator 1 having an actuator arm 3, which is connected to furniture part 2, more precisely to partial flap 35, via a coupling piece 36.
  • the piece of furniture 29 preferably comprises two such actuators 1 which are arranged on opposite sides 31 of the furniture body 30 and are each connected to the furniture part 2 via an actuating arm 3 .
  • the movable furniture part 2 has an open position in which figure 1 is shown, and a closed position in which the movable furniture part 2 covers an interior of the furniture 29 at least partially to the outside.
  • the actuating arm 3 of the actuating drive 1 is in an end position, hereinafter referred to as the second end position.
  • the actuating arm 3 is in a further end position, referred to below as the first end position.
  • the actuator comprises a housing 18, only half of this housing being shown in the two figures in order to enable a view of the interior of the actuator.
  • the actuator is mirror-symmetrically covered by a second half of the housing.
  • a mounting part 40 on which a linear damper 4 and an end-position force accumulator 12 is mounted is connected to the housing 18 so as to be rigid with respect to movement.
  • the assembly part 40 forms a bearing point 47 for an actuating part 11 , the actuating part 11 being pivotably mounted relative to the assembly part 40 or the housing 18 .
  • two ring gears 39 are also arranged, in which a gear wheel 41, which is arranged on the actuating part 11, engages. If the actuating part 11 moves too quickly relative to the housing 18, a braking element connected to the gear wheel 41 causes the movement of the actuating element 11 or the actuating arm 3 connected to it to be braked relative to the housing 18, so that a user is injured by moving the actuator too quickly Actuating arm 3 is avoided.
  • the actuating arm 3 can be connected to the actuating element 11 via an adapter piece 38 .
  • the actuator 1 also has a coupling mechanism 5, 6, 9 and 10 for coupling the at least one actuating arm 3 or the actuating part 11 that can be connected to it to the linear damper 4 during the movements of the at least one actuating arm 3 into the two end positions, the coupling mechanism having a Actuator 10 for executing the damping stroke of the linear damper 4 has.
  • the actuator 10 is arranged on a pivoted lever 9 in the exemplary embodiment shown.
  • the pivot lever 9 can be pivoted about a pivot axis 45 relative to the housing 18 of the actuator 1 .
  • the coupling mechanism also includes two control elements 5 and 6, which are bolt-shaped and whose mode of operation is explained in more detail below with reference to the following figures.
  • the coupling mechanism comprises a pivot axis 46 (cf figure 3 ) relative to the housing 18 pivotable force transmission element 13, wherein the force transmission element 13 is acted upon on the one hand by the end position force accumulator 12. On the other hand, the force transmission element 13 contacts the pivoted lever 9 via a contact means 17 arranged on the pivoted lever 9.
  • the linear damper 4 comprises a damper housing 21 and a plunger 22 that can be pushed in relative to the damper housing 21, the plunger 22 being activated by the actuator 10 both during the movement of the at least one actuating arm 3 into the first end position, i.e. also during the movement of the at least one actuating arm 3 in the second end position can be depressed relative to the damping housing 21, as can be seen from the following figures.
  • the actuator 1 in the embodiment shown also includes a main drive force store 23 for applying force to the actuating arm 3 or the actuating part 11 that can be connected to it via a transmission mechanism 24, 25, 26, 27, 28 and 37.
  • the transmission mechanism includes a first relative to the pivot axis 42 to the housing 18 pivotable intermediate lever 24, which is articulated to the main force accumulator 23 and has a control contour 37.
  • a first rolling body 26 of a second intermediate lever 25 rolls on this control contour 37 and is designed to be pivotable about the pivot axis 43 in relation to the housing 18 .
  • the second intermediate lever 25 also has a second rolling element 27 which runs on a control contour 28 which is formed on the actuating part 11 .
  • this preferably comprises at least one spring element, particularly preferably in the form of a compression spring.
  • figure 3 shows the actuator 1 in a central position, which corresponds approximately to an opening angle of 50°.
  • a relevant section of the actuator 1 is shown enlarged.
  • the end position force accumulator 12 is essentially fully charged and in this State on the power transmission element 13 and the pivot lever 9, which positively engages in the power transmission element 13, releasably locked.
  • a contact means 17 designed as a projection is arranged on the pivoting lever 9 and engages in a corresponding locking recess 44 arranged on the force transmission element 13 .
  • the end-position force accumulator 12 includes a sleeve 48 which is supported by a compression spring 49 which engages in the sleeve 48 on the one hand and is supported on the mounting element 40 and the housing 18 on the other hand.
  • the end-position force accumulator 12 is mounted indirectly on the housing 18 at one end 19 .
  • the opposite free end 50 contacts the force transmission element 13.
  • the linear damper 4 is arranged essentially parallel to the end-position force accumulator 12 and is also mounted at one end 20 indirectly via the mounting element 40 on the housing 18 .
  • the linear damper 4 comprises a damper housing 21 and a plunger 22 which can be pressed in relative to the damper housing 21.
  • the linear damper 4 also comprises a return spring 51 which moves the linear damper 4 into the position according to FIG figure 3 moved back.
  • the linear damper 4 makes contact via the plunger 22 with the actuator 10 which is arranged on the pivoting lever 9 .
  • the end position force accumulator 12 in figure 3 lurking position shown substantially fully loaded and releasably locked.
  • the linear damper 4 assumes a position in which the plunger 22 is essentially maximally extended and is ready for a damping stroke. In this waiting position, there is no coupling between the linear damper 4 and the actuating arm 3 or the actuating element 11 that can be connected to it.
  • the pivoted lever 9 Due to the relative arrangement of the axes of rotation 47 of the actuating part 11 and 45 of the pivoted lever 9 and the relative arrangement of the control element 5 and the control cam 7, the pivoted lever 9 is moved in the direction of the first end position of the actuating arm in a subsequent further pivoting movement 14 of the actuating arm 3 in one of the pivoting movement 14 opposite pivoting movement 16 converted. Specifically, the control part 11 rotates clockwise and the pivoting lever 9 counterclockwise.
  • the force released in the process is transmitted via the force transmission element 13 to the pivoting lever 9, which subsequently actively drives the actuating arm 3--again through the engagement of the control element 5 in the cam 7.
  • the actuator 10 arranged on it is pivoted counterclockwise together with the pivoting lever 9 and is thus pressed against the plunger 22 of the linear damper 4 .
  • the plunger 22 is pressed in relative to the damper housing 21 as a result of which the linear damper 4 unfolds its damping effect.
  • the actuator 10 executes the damping stroke of the linear damper 4.
  • the sequence of Figures 7 to 9 shows the movement of the actuating arm 3 starting from the middle position according to FIG figure 3 into the second end position, which corresponds to the open position of the movable furniture part.
  • the second control element 6 contacts the second control cam 8, as a result of which the at least one actuating arm 3 or the actuating part 11 that can be connected to it is coupled.
  • the pivoting lever 9 Due to this engagement of the bolt-shaped control element 6 in the second control cam 8 and the relative arrangement of the axes of rotation 45 and 47 as well as the relative arrangement of the second control cam 8 relative to the second control element 6, the pivoting lever 9 subsequently also executes a pivoting movement 16 counterclockwise.
  • the end-position force accumulator 12 and the linear damper 4 subsequently develop the same effects as when the at least one actuating arm 3 moves into the first end position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Cabinets, Racks, Or The Like Of Rigid Construction (AREA)
  • Wing Frames And Configurations (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Description

Die Erfindung betrifft einen Stellantrieb zum Antrieb eines bewegbar gelagerten Möbelteils, umfassend wenigstens einen mit dem Möbelteil zu verbindenden Stellarm, wobei der wenigstens eine Stellarm zwischen einer ersten und einer zweiten Endlage bewegbar ausgebildet ist, einen Dämpfer zur Dämpfung sowohl einer Bewegung des wenigstens einen Stellarms in die erste Endlage als auch einer Bewegung des wenigstens einen Stellarms in die zweite Endlage, wobei der Dämpfer bei der Dämpfung einen Dämpfungshub ausführt, und einen Koppelungsmechanismus zur Koppelung des wenigstens einen Stellarms oder eines damit verbundenen oder verbindbaren Stellteils mit dem Dämpfer zumindest bei den Bewegungen des wenigstens einen Stellarms in die beiden Endlagen, wobei der Koppelungsmechanismus einen Aktuator zur Ausführung des Dämpfungshubs des Dämpfers aufweist. Die Erfindung betrifft weiterhin ein Möbel mit einem Möbelkorpus und wenigstens einem, vorzugsweise um eine horizontale Achse, bewegbar gelagerten Möbelteil, vorzugsweise in Form einer Klappe, und wenigstens einem am Möbelkorpus angeordneten erfindungsgemäßen Stellantrieb, wobei der wenigstens eine Stellarm des Stellantriebs mit dem wenigstens einen Möbelteil verbunden ist. Aus der EP 1 713 996 B1 ist ein Beispiel eines solchen Stellantriebs bekannt.The invention relates to an actuator for driving a movably mounted furniture part, comprising at least one actuating arm to be connected to the furniture part, the at least one actuating arm being designed to be movable between a first and a second end position, a damper for damping both a movement of the at least one actuating arm in the first end position and a movement of the at least one actuating arm into the second end position, the damper performing a damping stroke during damping, and a coupling mechanism for coupling the at least one actuating arm or an actuating part connected or connectable to it to the damper at least during the movements of the at least one actuating arm in the two end positions, the coupling mechanism having an actuator for executing the damping stroke of the damper. The invention further relates to a piece of furniture with a furniture body and at least one furniture part, preferably in the form of a flap, mounted so that it can move, preferably about a horizontal axis, and at least one actuator according to the invention arranged on the furniture body, the at least one actuating arm of the actuator being connected to the at least one furniture part connected is. From the EP 1 713 996 B1 an example of such an actuator is known.

Ein Beispiel eines solchen Stellantriebs ist ebenso aus der WO 2005/075778 A1 bekannt. Bei dieser Lösung ist ein Dämpfer vorgesehen, der schwimmend am Gehäuse des Stellantriebs gelagert ist und von einer aufwändigen Hebelmechanik zur Ausführung des Dämpfungshubs beaufschlagt wird. Diese Ausführungsform erfordert einen großen Platzbedarf. Die Hebelmechanik zur Beaufschlagung des Dämpfers ist aufgrund ihrer Komplexität zudem verschleißanfällig und teuer.An example of such an actuator is also from WO 2005/075778 A1 known. In this solution, a damper is provided which is mounted in a floating manner on the housing of the actuator and is acted upon by a complex lever mechanism to carry out the damping stroke. This embodiment requires a large amount of space. Due to its complexity, the lever mechanism for loading the damper is also susceptible to wear and expensive.

Die objektive technische Aufgabe der vorliegenden Erfindung besteht somit darin, einen Stellantrieb anzugeben, welcher die beschriebenen Nachteile des Stands der Technik nicht aufweist und sich insbesondere durch eine kompakte Bauform auszeichnet. Eine weitere Aufgabe der Erfindung besteht darin, ein Möbel mit einem solchen Stellantrieb anzugeben.The objective technical task of the present invention is therefore to provide an actuator which does not have the described disadvantages of the prior art and is characterized in particular by its compact design. Another object of the invention is to specify a piece of furniture with such an actuator.

Diese Aufgaben werden durch den Stellantrieb gemäß den Merkmalen des unabhängigen Anspruchs 1 bzw. das Möbel gemäß den Merkmalen des Anspruchs 15 gelöst.These objects are achieved by the actuator according to the features of independent claim 1 and the furniture according to the features of claim 15.

Es ist also beim Stellantrieb erfindungsgemäß vorgesehen, dass der Aktuator den Dämpfer sowohl bei der Bewegung des wenigstens einen Stellarms in die erste Endlage als auch bei der Bewegung des wenigstens einen Stellarms in die zweite Endlage zur Ausführung des Dämpfungshubs beaufschlagt. Dadurch, dass die Beaufschlagung des Dämpfers zur Ausführung des Dämpfungshubs somit immer, d.h. sowohl bei der Bewegung des wenigstens einen Stellarms in die erste Endlage, also bei der Bewegung des wenigstens einen Stellarms in die zweite Endlage, durch denselben Aktuator erfolgt, entfällt die Notwendigkeit eines raumeinnehmenden Kraftumlenkmechanismus.It is therefore provided in the actuator according to the invention that the actuator acts on the damper both when the at least one actuating arm moves into the first end position and when the at least one actuating arm moves into the second end position to carry out the damping stroke. The fact that the damper is always acted upon to carry out the damping stroke, i.e. both during the movement of the at least one actuating arm into the first end position and during the movement of the at least one actuating arm into the second end position, is carried out by the same actuator, eliminating the need for one space-consuming force deflection mechanism.

Vorzugsweise findet die Dämpfung der Bewegung des wenigstens einen Stellarms durch den Dämpfer jeweils innerhalb der Bereiche statt, welche den beiden Endlagen unmittelbar vorgelagert sind.The damping of the movement of the at least one actuating arm by the damper preferably takes place within the areas which are immediately in front of the two end positions.

Gemäß einer bevorzugten Ausführungsform der Erfindung ist vorgesehen, dass der Stellantrieb einen Endlagenkraftspeicher zur Kraftbeaufschlagung des wenigstens einen Stellarms sowohl bei einer Bewegung des wenigstens einen Stellarms in die erste Endlage als auch bei einer Bewegung des wenigstens einen Stellarms in die zweite Endlage aufweist. Durch das gleichzeitige Vorsehen eines Dämpfers und eines Endlagenkraftspeichers kann eine gedämpfte angetriebene Bewegung des wenigstens einen Stellarms in die beiden Endlagen erfolgen, unabhängig von einem zusätzlichen etwaigen Hauptantriebskraftspeicher zur Kraftbeaufschlagung des wenigstens einen Stellarms bzw. zur Gewichtskompensation eines mit dem wenigstens einen Stellarm verbundenen bewegbar gelagerten Möbelteils. Die Zuhaltekraft des Möbelteils ist in diesem Fall unabhängig von der Auslegung eines solchen Hauptantriebskraftspeichers bzw. der Auslegung eines zwischen einem solchen Hauptantriebskraftspeicher und dem wenigstens einen Stellarm angeordneten Übersetzungsmechanismus.According to a preferred embodiment of the invention, it is provided that the actuator has an end-position force accumulator for applying force to the at least one actuating arm both when the at least one actuating arm moves into the first end position and when the at least one actuating arm moves into the second end position. Due to the simultaneous provision of a damper and an end-position force accumulator, a damped, driven movement of the at least one actuating arm into the two end positions can take place, independently of any additional main driving force accumulator for applying force to the at least one actuating arm or for compensating for the weight of one with the at least one Adjustable arm connected movably mounted furniture part. In this case, the locking force of the furniture part is independent of the design of such a main drive force accumulator or the design of a transmission mechanism arranged between such a main drive force accumulator and the at least one actuating arm.

In Kombination mit dem beschriebenen Endlagenkraftspeicher kann es in vorteilhafter Weise vorgesehen sein, dass der Koppelungsmechanismus ein, vorzugsweise schwenkbar gelagertes, Kraftübertragungselement aufweist, wobei der Endlagenkraftspeicher das Kraftübertragungselement sowohl bei der Bewegung des wenigstens einen Stellarms in die erste Endlage als auch bei der Bewegung des wenigstens einen Stellarms in die zweite Endlage beaufschlagt.In combination with the end-position force accumulator described, it can advantageously be provided that the coupling mechanism has a force transmission element, preferably pivotably mounted, with the end-position force accumulator supporting the force transmission element both during the movement of the at least one actuating arm into the first end position and during the movement of the at least applied to an actuating arm in the second end position.

Ein solches Kraftübertragungselement kann weiterhin dazu genutzt werden, dass der Endlagenkraftspeicher im geladenen Zustand über das Kraftübertragungselement und einen relativ dazu bewegbaren Schwenkhebel, der kraft- und/oder formschlüssig in das Kraftübertragungselement eingreifen kann, oder umgekehrt, lösbar arretierbar ist. Im lösbar arretierten und geladenen Zustand befindet sich der Endlagenkraftspeicher dann in einer Lauerstellung zur Abgabe der im Endlagenkraftspeicher gespeicherten Kraft für eine Bewegung des wenigstens einen Stellarms in die erste Endlage bzw. in die zweite Endlage.Such a force transmission element can also be used so that the end position force accumulator can be releasably locked in the charged state via the force transmission element and a pivoting lever that can be moved relative thereto and that can positively and/or positively engage in the force transmission element, or vice versa. In the releasably locked and charged state, the end-position force accumulator is then in a waiting position for releasing the force stored in the end-position force accumulator for a movement of the at least one actuating arm into the first end position or into the second end position.

Die Aufladung des Endlagenkraftspeichers erfolgt günstiger Weise sowohl bei einer Bewegung des wenigstens einen Stellarms aus der ersten Endlage, also auch bei einer Bewegung des wenigstens einen Stellarms aus der zweiten Endlage.The charging of the end-position force accumulator takes place in a favorable manner both when the at least one actuating arm moves out of the first end position, ie also when the at least one actuating arm moves out of the second end position.

Eine besonders kompakte Bauweise des Stellantriebs ist möglich, wenn der Dämpfer und der Endlagenkraftspeicher im Wesentlichen parallel zueinander angeordnet sind.A particularly compact design of the actuator is possible if the damper and the end-position force accumulator are arranged essentially parallel to one another.

Die Kopplung des wenigstens einen Stellarms oder eines damit verbundenen oder verbindbaren Stellteils mit dem Dämpfer bzw. dem Endlagenkraftspeicher für den Fall, dass der wenigstens eine Stellarm bei der Bewegung in die erste Endlage eine erste Schwenkbewegung und bei der Bewegung in die zweite Endlage eine zweite Schwenkbewegung, welche der ersten Schwenkbewegung entgegengesetzt ist, ausführt, erfolgt erfindungsgemäß dadurch, dass der Kopplungsmechanismus einen Schwenkhebel und einen Gleichrichtungsmechanismus zur Umwandlung der beiden Schwenkbewegungen des wenigstens einen Stellarms in eine in dieselbe Richtung erfolgende Schwenkbewegung des Schwenkhebels aufweist. Konkret kann dieser Gleichrichtungsmechanismus beispielsweise dadurch gelöst sein, dass der Gleichrichtungsmechanismus wenigstens eine erste und eine zweite Steuerkurve und wenigstens ein erstes und ein zweites Steuerelement aufweist, wobei die beiden Steuerelemente mit dem wenigstens einen Stellarm bewegungsgekoppelt sind, das erste Steuerelement in der ersten Endlage des wenigstens einen Stellarms in Eingriff mit der ersten Steuerkurve steht, und das zweite Steuerelement in der zweiten Endlage des wenigstens einen Stellarms in Eingriff mit der zweiten Steuerkurve steht, vorzugsweise wobei die beiden Steuerkurven am Schwenkhebel angeordnet sind, und/oder die beiden Steuerelemente am mit dem wenigstens einen Stellarm verbundenen oder verbindbaren Stellteil angeordnet sind.The coupling of the at least one actuating arm or an actuating part that is or can be connected to it to the damper or the end-position force accumulator in the event that the at least one actuating arm performs a first pivoting movement when moving into the first end position and a second pivoting movement when moving into the second end position , which is opposite to the first pivoting movement, is carried out according to the invention in that the coupling mechanism has a pivoting lever and a rectifying mechanism for converting the two pivoting movements of the at least one actuating arm into a pivoting movement of the pivoting lever in the same direction. Specifically, this rectification mechanism can be solved, for example, in that the rectification mechanism has at least one first and one second control cam and at least one first and one second control element, with the two control elements being coupled for movement to the at least one actuating arm, the first control element being in the first end position of the at least one control arm is in engagement with the first cam, and the second control element is in engagement with the second control cam in the second end position of the at least one control arm, preferably with the two control cams being arranged on the pivoting lever, and/or the two control elements on the at least an actuating arm connected or connectable actuating part are arranged.

Weitere vorteilhafte Ausführungsformen des Stellantriebs sind in den abhängigen Ansprüchen definiert.Further advantageous embodiments of the actuator are defined in the dependent claims.

Wie bereits eingangs ausgeführt wird Schutz auch begehrt für ein Möbel mit einem Möbelkorpus und wenigstens einem, vorzugsweise um eine horizontale Achse, bewegbar gelagerten Möbelteil, vorzugsweise in Form einer Klappe, und wenigstens einem am Möbelkorpus angeordneten erfindungsgemäßen Stellantrieb, wobei der wenigstens eine Stellarm des Stellantriebs mit dem wenigstens einen Möbelteil verbunden ist.As already stated at the outset, protection is also sought for a piece of furniture with a furniture body and at least one furniture part that is mounted so that it can move, preferably about a horizontal axis, preferably in the form of a flap, and at least one actuator according to the invention arranged on the furniture body, with the at least one actuating arm of the actuator is connected to the at least one piece of furniture.

Eine vorteilhafte Ausführungsform dieses Möbels ist in Anspruch 15 definiert.An advantageous embodiment of this furniture is defined in claim 15.

Weitere Einzelheiten und Vorteile der vorliegenden Erfindung werden anhand der Figurenbeschreibung unter Bezugnahme auf die Zeichnungen im Folgenden näher erläutert.Further details and advantages of the present invention are explained in more detail below on the basis of the description of the figures with reference to the drawings.

Darin zeigen:

Fig. 1
ein Möbel mit einem bewegbar gelagerten Möbelteil in Form einer Faltklappe und einem Stellantrieb in einer bevorzugten Ausführungsform,
Fig. 2a
eine vergrößerte perspektivische Ansicht des Stellantriebs mit teilgeöffnetem Gehäuse und ohne Stellarm,
Fig. 2b
eine Explosionsdarstellung des Stellantriebs gemäß Fig. 2a,
Fig. 3
eine Stellung des Stellantriebs, in welcher sich der Stellarm in einer Mittenstellung zwischen den beiden Endlagen befinden würde,
Fig. 4-6
eine Abfolge von Stellungen des Stellantriebs zur Illustration der Bewegung des wenigstens einen Stellarms in die erste Endlage aus einer Mittenstellung, und
Fig. 7-9
eine Abfolge von Stellungen des Stellantriebs zur Illustration der Bewegung des wenigstens einen Stellarms in die zweite Endlage aus einer Mittenstellung.
Show in it:
1
a piece of furniture with a movably mounted furniture part in the form of a folding flap and an actuator in a preferred embodiment,
Figure 2a
an enlarged perspective view of the actuator with a partially open housing and without an actuating arm,
Figure 2b
an exploded view of the actuator according to Figure 2a ,
3
a position of the actuator in which the actuator arm would be in a mid-position between the two end positions,
Figures 4-6
a sequence of positions of the actuator to illustrate the movement of the at least one actuator arm to the first end position from a middle position, and
Figures 7-9
a sequence of positions of the actuator to illustrate the movement of the at least one actuator arm to the second end position from a middle position.

Figur 1 zeigt in einer seitlichen Querschnittsansicht ein Möbel 29 mit einem Möbelkorpus 30 und einem um eine horizontale Achse bewegbar gelagerten Möbelteil 2 in Form einer Klappe, genauer gesagt einer aus zwei Teilklappen 34 und 35 zusammengesetzten Faltklappe, wobei das Möbelteil 2 über wenigstens ein Scharnier 32 mit dem Möbelkorpus 30 verbunden ist und die beiden Teilklappen 34 und 35 über ein Mittelscharnier 33 schwenkbar miteinander verbunden sind. figure 1 shows a side cross-sectional view of a piece of furniture 29 with a furniture body 30 and a furniture part 2 that is mounted so that it can move about a horizontal axis and is in the form of a flap, more precisely a folding flap composed of two partial flaps 34 and 35, the furniture part 2 being connected via at least one hinge 32 to the Furniture body 30 is connected and the two partial flaps 34 and 35 are pivotally connected to one another via a central hinge 33 .

Das Möbel 29 umfasst weiterhin wenigstens einen Stellantrieb 1, der an einer Seitenwand 31 des Möbelkorpus 30 angeordnet ist, wobei der Stellantrieb 1 einen Stellarm 3 aufweist, der über ein Koppelstück 36 mit dem Möbelteil 2, genauer gesagt der Teilklappe 35, verbunden ist. Vorzugsweise umfasst das Möbel 29 zwei derartige Stellantriebe 1, die an gegenüberliegenden Seiten 31 des Möbelkorpus 30 angeordnet sind und jeweils über einen Stellarm 3 mit dem Möbelteil 2 verbunden sind.Furniture 29 also includes at least one actuator 1, which is arranged on a side wall 31 of furniture body 30, actuator 1 having an actuator arm 3, which is connected to furniture part 2, more precisely to partial flap 35, via a coupling piece 36. The piece of furniture 29 preferably comprises two such actuators 1 which are arranged on opposite sides 31 of the furniture body 30 and are each connected to the furniture part 2 via an actuating arm 3 .

Das bewegbare Möbelteil 2 weist eine Offenstellung auf, die in der Figur 1 dargestellt ist, und eine Schließstellung, in welcher das bewegbare Möbelteil 2 einen Innenraum des Möbels 29 zumindest bereichsweise nach Außen abdeckt. Wenn sich das bewegbare Möbelteil 2 in seiner Offenstellung befindet, befindet sich der Stellarm 3 des Stellantriebs 1 in einer Endlage, im Folgenden als zweite Endlage bezeichnet. Wenn sich das bewegbare Möbelteil 2 in seiner Schließstellung befindet, befindet sich der Stellarm 3 in einer weiteren Endlage, im Folgenden als erste Endlage bezeichnet.The movable furniture part 2 has an open position in which figure 1 is shown, and a closed position in which the movable furniture part 2 covers an interior of the furniture 29 at least partially to the outside. When the movable furniture part 2 is in its open position, the actuating arm 3 of the actuating drive 1 is in an end position, hereinafter referred to as the second end position. When the movable furniture part 2 is in its closed position, the actuating arm 3 is in a further end position, referred to below as the first end position.

In Zusammenhang mit Figur 1 sei noch darauf hingewiesen, dass das in dieser Figur dargestellte bewegbare Möbelteil 2 in Gebrauchsstellung des Möbels 29 und bei einer Bewegung aus der Schließstellung in die Offenstellung eine Schwenkbewegung 15 (vergleiche die Abfolge der Figuren 7 bis 9) nach oben ausführt.Relating to figure 1 It should also be pointed out that the movable furniture part 2 shown in this figure, in the usage position of the furniture 29 and during a movement from the closed position to the open position, a pivoting movement 15 (compare the sequence of Figures 7 to 9 ) runs upwards.

Wie aus den Figuren 2a und 2b hervorgeht, umfasst der Stellantrieb in einer bevorzugten Ausführungsform ein Gehäuse 18, wobei in den beiden Figuren nur eine Hälfte dieses Gehäuses dargestellt ist, um die Sicht auf das Innere des Stellantriebs zu ermöglichen. Spiegelsymmetrisch ist der Stellantrieb von einer zweiten Gehäusehälfte abgedeckt.How from the Figures 2a and 2b shows, in a preferred embodiment the actuator comprises a housing 18, only half of this housing being shown in the two figures in order to enable a view of the interior of the actuator. The actuator is mirror-symmetrically covered by a second half of the housing.

Mit dem Gehäuse 18 bewegungsstarr verbunden ist ein Montageteil 40, an welchem ein Lineardämpfer 4 und ein Endlagenkraftspeicher 12 gelagert ist.A mounting part 40 on which a linear damper 4 and an end-position force accumulator 12 is mounted is connected to the housing 18 so as to be rigid with respect to movement.

Weiterhin bildet das Montageteil 40 eine Lagerstelle 47 für ein Stellteil 11 aus, wobei das Stellteil 11 schwenkbar gegenüber dem Montageteil 40 bzw. dem Gehäuse 18 gelagert ist. An dem Gehäuse 18 bzw. dem Montageteil 40 sind weiterhin zwei Zahnkränze 39 angeordnet, in welche ein Zahnrad 41, welches am Stellteil 11 angeordnet ist, eingreift. Bei einer zu schnellen Bewegung des Stellteils 11 gegenüber dem Gehäuse 18 bewirkt ein mit dem Zahnrad 41 verbundenes Bremselement ein Abbremsen der Bewegung des Stellglieds 11 bzw. des damit verbundenen Stellarms 3 relativ zum Gehäuse 18, sodass eine Verletzung eines Nutzers durch eine zu schnelle Bewegung des Stellarms 3 vermieden wird. Der Stellarm 3 ist über ein Adapterstück 38 mit dem Stellglied 11 verbindbar.Furthermore, the assembly part 40 forms a bearing point 47 for an actuating part 11 , the actuating part 11 being pivotably mounted relative to the assembly part 40 or the housing 18 . On the housing 18 or the mounting part 40, two ring gears 39 are also arranged, in which a gear wheel 41, which is arranged on the actuating part 11, engages. If the actuating part 11 moves too quickly relative to the housing 18, a braking element connected to the gear wheel 41 causes the movement of the actuating element 11 or the actuating arm 3 connected to it to be braked relative to the housing 18, so that a user is injured by moving the actuator too quickly Actuating arm 3 is avoided. The actuating arm 3 can be connected to the actuating element 11 via an adapter piece 38 .

Der Stellantrieb 1 weist weiterhin einen Kopplungsmechanismus 5, 6, 9 und 10 zur Kopplung des wenigstens einen Stellarms 3 bzw. des damit verbindbaren Stellteils 11 mit dem Lineardämpfer 4 bei den Bewegungen des wenigstens einen Stellarms 3 in die beiden Endlagen auf, wobei der Kopplungsmechanismus einen Aktuator 10 zur Ausführung des Dämpfungshubs des Lineardämpfers 4 aufweist. Der Aktuator 10 ist im dargestellten Ausführungsbeispiel an einem Schwenkhebel 9 angeordnet. Der Schwenkhebel 9 ist um eine Schwenkachse 45 gegenüber dem Gehäuse 18 des Stellantriebs 1 verschwenkbar. Der Kopplungsmechanismus umfasst weiterhin zwei Steuerelemente 5 und 6, die bolzenförmig ausgebildet sind und deren Funktionsweise weiter unten anhand der nachfolgenden Figuren näher erläutert wird. Weiterhin umfasst der Kopplungsmechanismus ein um eine Schwenkachse 46 (vergleiche Figur 3) gegenüber dem Gehäuse 18 schwenkbares Kraftübertragungselement 13, wobei das Kraftübertragungselement 13 einerseits von dem Endlagenkraftspeicher 12 beaufschlagt wird. Andererseits kontaktiert das Kraftübertragungselement 13 den Schwenkhebel 9 über einen am Schwenkhebel 9 angeordnetes Kontaktmittel 17.The actuator 1 also has a coupling mechanism 5, 6, 9 and 10 for coupling the at least one actuating arm 3 or the actuating part 11 that can be connected to it to the linear damper 4 during the movements of the at least one actuating arm 3 into the two end positions, the coupling mechanism having a Actuator 10 for executing the damping stroke of the linear damper 4 has. The actuator 10 is arranged on a pivoted lever 9 in the exemplary embodiment shown. The pivot lever 9 can be pivoted about a pivot axis 45 relative to the housing 18 of the actuator 1 . The coupling mechanism also includes two control elements 5 and 6, which are bolt-shaped and whose mode of operation is explained in more detail below with reference to the following figures. Furthermore, the coupling mechanism comprises a pivot axis 46 (cf figure 3 ) relative to the housing 18 pivotable force transmission element 13, wherein the force transmission element 13 is acted upon on the one hand by the end position force accumulator 12. On the other hand, the force transmission element 13 contacts the pivoted lever 9 via a contact means 17 arranged on the pivoted lever 9.

Der Lineardämpfer 4 umfasst ein Dämpfergehäuse 21 und einen relativ zum Dämpfergehäuse 21 eindrückbaren Stößel 22, wobei der Stößel 22 durch den Aktuator 10 sowohl bei der Bewegung des wenigstens einen Stellarms 3 in die erste Endlage, also auch bei der Bewegung des wenigstens einen Stellarms 3 in die zweite Endlage relativ zum Dämpfgehäuse 21 eindrückbar ist, wie aus den nachfolgenden Figuren hervorgeht.The linear damper 4 comprises a damper housing 21 and a plunger 22 that can be pushed in relative to the damper housing 21, the plunger 22 being activated by the actuator 10 both during the movement of the at least one actuating arm 3 into the first end position, i.e. also during the movement of the at least one actuating arm 3 in the second end position can be depressed relative to the damping housing 21, as can be seen from the following figures.

Schließlich umfasst der Stellantrieb 1 in der gezeigten Ausführungsform auch noch einen Hauptantriebskraftspeicher 23 zur Kraftbeaufschlagung des Stellarms 3 bzw. des damit verbindbaren Stellteils 11 über einen Übersetzungsmechanismus24, 25, 26, 27, 28 und 37. Der Übersetzungsmechanismus umfasst einen ersten um die Schwenkachse 42 relativ zum Gehäuse 18 schwenkbaren Zwischenhebel 24, welcher mit dem Hauptkraftspeicher 23 gelenkig verbunden ist und eine Steuerkontur 37 aufweist. An dieser Steuerkontur 37 rollt ein erster Wälzkörper 26 eines zweiten Zwischenhebels 25 ab, welcher um die Schwenkachse 43 schwenkbar in Bezug auf das Gehäuse 18 ausgebildet ist. Der zweite Zwischenhebel 25 weist weiterhin einen zweiten Wälzkörper 27 auf, welcher an einer Steuerkontur 28, die am Stellteil 11 ausbildet ist, abläuft.Finally, the actuator 1 in the embodiment shown also includes a main drive force store 23 for applying force to the actuating arm 3 or the actuating part 11 that can be connected to it via a transmission mechanism 24, 25, 26, 27, 28 and 37. The transmission mechanism includes a first relative to the pivot axis 42 to the housing 18 pivotable intermediate lever 24, which is articulated to the main force accumulator 23 and has a control contour 37. A first rolling body 26 of a second intermediate lever 25 rolls on this control contour 37 and is designed to be pivotable about the pivot axis 43 in relation to the housing 18 . The second intermediate lever 25 also has a second rolling element 27 which runs on a control contour 28 which is formed on the actuating part 11 .

Zu dem Endlagenkraftspeicher 12 bzw. dem Hauptkraftspeicher 23 sei noch angemerkt, dass dieser bevorzugt wenigstens ein Federelement, besonders bevorzugt in Form einer Druckfeder, umfasst.It should also be noted with regard to the end-position energy store 12 or the main energy store 23 that this preferably comprises at least one spring element, particularly preferably in the form of a compression spring.

Figur 3 zeigt den Stellantrieb 1 in einer Mittenstellung, welche ungefähr einem Öffnungswinkel von 50° entspricht. In dieser, wie auch in den nachfolgenden Darstellungen, ist jeweils ein relevanter Ausschnitt des Stellantriebs 1 vergrößert dargestellt. In der Mittenstellung gemäß Figur 3, aus welcher der Stellarm einerseits eine Bewegung 14 in die erste Endlage (vergleiche die Abfolge der Figuren 4 bis 6) als auch eine Bewegung 15 in die zweite Endlage (vergleiche die Abfolge der Figuren 7 bis 9) ausführen kann, ist der Endlagenkraftspeicher 12 im Wesentlichen vollständig geladen und in diesem Zustand über das Kraftübertragungselement 13 und den Schwenkhebel 9, welcher kraftschlüssig in das Kraftübertragungselement 13 eingreift, lösbar arretiert. Zur Herstellung des Kraftschlusses ist am Schwenkhebel 9 ein als Vorsprung ausgebildetes Kontaktmittel 17 angeordnet, welches in eine korrespondierende Rastmulde 44, die am Kraftübertragungselement 13 angeordnet ist, eingreift. figure 3 shows the actuator 1 in a central position, which corresponds approximately to an opening angle of 50°. In this, as well as in the following illustrations, a relevant section of the actuator 1 is shown enlarged. In the middle position according to figure 3 , from which the actuating arm, on the one hand, initiates a movement 14 into the first end position (compare the sequence of Figures 4 to 6 ) as well as a movement 15 into the second end position (compare the sequence of Figures 7 to 9 ) can run, the end position force accumulator 12 is essentially fully charged and in this State on the power transmission element 13 and the pivot lever 9, which positively engages in the power transmission element 13, releasably locked. To produce the frictional connection, a contact means 17 designed as a projection is arranged on the pivoting lever 9 and engages in a corresponding locking recess 44 arranged on the force transmission element 13 .

Der Endlagenkraftspeicher 12 umfasst eine Hülse 48, welche von einer Druckfeder 49, die einerseits in die Hülse 48 eingreift und sich andererseits an dem Montageelement 40 bzw. dem Gehäuse 18 abstützt. Somit ist der Endlagenkraftspeicher 12 an einem Ende 19 mittelbar am Gehäuse 18 gelagert. Das gegenüberliegende freie Ende 50 kontaktiert das Kraftübertragungselement 13.The end-position force accumulator 12 includes a sleeve 48 which is supported by a compression spring 49 which engages in the sleeve 48 on the one hand and is supported on the mounting element 40 and the housing 18 on the other hand. Thus, the end-position force accumulator 12 is mounted indirectly on the housing 18 at one end 19 . The opposite free end 50 contacts the force transmission element 13.

Im Wesentlichen parallel zum Endlagenkraftspeicher 12 ist der Lineardämpfer 4 angeordnet, welcher ebenfalls an einem Ende 20 mittelbar über das Montageelement 40 am Gehäuse 18 gelagert ist. Der Lineardämpfer 4 umfasst wie gesagt ein Dämpfergehäuse 21 und einen relativ zum Dämpfergehäuse 21 eindrückbaren Stößel 22. Der Lineardämpfer 4 umfasst weiterhin eine Rückstellfeder 51, welche den Lineardämpfer 4 nach einem erfolgten Dämpfungshub in die Stellung gemäß Figur 3 zurückbewegt. Der Lineardämpfer 4 kontaktiert über den Stößel 22 den Aktuator 10, welcher am Schwenkhebel 9 angeordnet ist.The linear damper 4 is arranged essentially parallel to the end-position force accumulator 12 and is also mounted at one end 20 indirectly via the mounting element 40 on the housing 18 . As stated, the linear damper 4 comprises a damper housing 21 and a plunger 22 which can be pressed in relative to the damper housing 21. The linear damper 4 also comprises a return spring 51 which moves the linear damper 4 into the position according to FIG figure 3 moved back. The linear damper 4 makes contact via the plunger 22 with the actuator 10 which is arranged on the pivoting lever 9 .

Zusammengefasst ist der Endlagenkraftspeicher 12 in der in Figur 3 dargestellten Lauerstellung im Wesentlichen vollständig geladen und lösbar verriegelt. Der Lineardämpfer 4 nimmt eine Stellung mit im Wesentlichen maximal ausgefahrenem Stößel 22 ein und ist bereit für einen Dämpfungshub. Eine Kopplung zwischen dem Lineardämpfer 4 und dem Stellarm 3 bzw. dem damit verbindbaren Stellglied 11 ist in dieser Lauerstellung nicht gegeben. Vollzieht der Stellarm 3 nun eine Bewegung 14 in die erste Endlage, welche der Schließstellung des bewegbar gelagerten Möbelteils 2 entspricht, so laufen folgende Prozesse am Stellantrieb 1 ab (vergleiche die Figuren 4 bis 7):
Das mit dem Stellarm 3 verbindbare Stellteil 11 wird soweit verschwenkt, bis das am Stellteil 11 angeordnete und mit dem wenigstens eine Stellarm 3 bewegungsgekoppelte Steuerelement 5 erstmalig die erste Steuerkurve 7, welche am Schwenkhebel 9 angeordnet ist, kontaktiert. Durch die relative Anordnung der Drehachsen 47 des Stellteils 11 und 45 des Schwenkhebels 9 und die relative Anordnung des Steuerelements 5 und der Steuerkurve 7, wird der Schwenkhebel 9 bei einer sich daran anschließenden weiteren Schwenkbewegung 14 des Stellarms 3 in Richtung der ersten Endlage des Stellarms in eine der Schwenkbewegung 14 entgegengesetzte Schwenkbewegung 16 umgewandelt. Konkret dreht sich das Stellteil 11 im Uhrzeigersinn und der Schwenkhebel 9 gegen den Uhrzeigersinn.In summary, the end position force accumulator 12 in figure 3 lurking position shown substantially fully loaded and releasably locked. The linear damper 4 assumes a position in which the plunger 22 is essentially maximally extended and is ready for a damping stroke. In this waiting position, there is no coupling between the linear damper 4 and the actuating arm 3 or the actuating element 11 that can be connected to it. If the actuating arm 3 now performs a movement 14 into the first end position, which corresponds to the closed position of the movably mounted furniture part 2, the following processes take place on the actuating drive 1 (compare Figures Figures 4 to 7 ):
The control part 11, which can be connected to the control arm 3, is pivoted until the control element 5, which is arranged on the control part 11 and is motion-coupled to the at least one control arm 3, contacts the first cam 7, which is arranged on the pivoting lever 9, for the first time. Due to the relative arrangement of the axes of rotation 47 of the actuating part 11 and 45 of the pivoted lever 9 and the relative arrangement of the control element 5 and the control cam 7, the pivoted lever 9 is moved in the direction of the first end position of the actuating arm in a subsequent further pivoting movement 14 of the actuating arm 3 in one of the pivoting movement 14 opposite pivoting movement 16 converted. Specifically, the control part 11 rotates clockwise and the pivoting lever 9 counterclockwise.

Durch diese Drehbewegung, welche durch den Eingriff des Steuerelements 5 in die Steuerkurve 7 erzwungen wird, bewegt sich das Kontaktmittel 17 aus der Rastmulde 44 des Kraftübertragungselements 13 heraus. Dadurch kann sich in weiterer Folge die Druckfeder 49 des Endlagenkaftspeichers 12 entspannen.This rotational movement, which is forced by the engagement of the control element 5 in the control cam 7, moves the contact means 17 out of the detent recess 44 of the force transmission element 13. As a result, the compression spring 49 of the end-position force accumulator 12 can subsequently relax.

Die dabei frei werdende Kraft wird über das Kraftübertragungselement 13 auf den Schwenkhebel 9 übertragen, welcher in weiterer Folge den Stellarm 3 aktiv - wiederum durch den Eingriff von Steuerelement 5 in die Steuerkurve 7 - antreibt.The force released in the process is transmitted via the force transmission element 13 to the pivoting lever 9, which subsequently actively drives the actuating arm 3--again through the engagement of the control element 5 in the cam 7.

Gleichzeitig wird zusammen mit dem Schwenkhebel 9 der daran angeordnete Aktuator 10 gegen den Uhrzeigersinn verschwenkt und somit gegen den Stößel 22 des Lineardämpfers 4 gedrückt. Der Stößel 22 wird dadurch relativ zum Dämpfergehäuse 21 eingedrückt, wodurch der Lineardämpfer 4 seine Dämpfwirkung entfaltet. Mit anderen Worten führt der Aktuator 10 den Dämpfungshub des Lineardämpfers 4 aus.At the same time, the actuator 10 arranged on it is pivoted counterclockwise together with the pivoting lever 9 and is thus pressed against the plunger 22 of the linear damper 4 . The plunger 22 is pressed in relative to the damper housing 21 as a result of which the linear damper 4 unfolds its damping effect. In other words, the actuator 10 executes the damping stroke of the linear damper 4.

Zusammengefasst wird durch die spezielle Anordnung aus Endlagenkraftspeicher 12 und Lineardämpfer 4 der mit dem Stellteil 11 verbindbare Stellarm 3 aktiv gedämpft in die erste Endlage bewegt.In summary, due to the special arrangement of end-position force accumulator 12 and linear damper 4, the actuating arm 3, which can be connected to the actuating part 11, is moved into the first end position in an actively damped manner.

Die Abfolge der Figuren 7 bis 9 zeigt die Bewegung des Stellarms 3 ausgehend von der Mittenstellung gemäß Figur 3 in die zweite Endlage, welche der Offenstellung des bewegbaren Möbelteils entspricht. Bei dieser Bewegung 15, welche gegen den Uhrzeigersinn erfolgt, kontaktiert das zweite Steuerelement 6 die zweite Steuerkurve 8, wodurch eine Kopplung des wenigstens einen Stellarms 3 bzw. des damit verbindbaren Stellteils 11 erfolgt. Durch diesen Eingriff des bolzenförmigen Steuerelements 6 in die zweite Steuerkurve 8 und die relative Anordnung der Drehachsen 45 und 47 sowie die relative Anordnung der zweiten Steuerkurve 8 relativ zum zweiten Steuerelement 6 vollzieht der Schwenkhebel 9 in weiterer Folge ebenfalls eine Schwenkbewegung 16 gegen den Uhrzeigersinn. Der Endlagenkraftspeicher 12 und der Lineardämpfer 4 entfalten in weiterer Folge dieselben Wirkungen wie bei einer Bewegung des wenigstens einen Stellarms 3 in die erste Endlage.The sequence of Figures 7 to 9 shows the movement of the actuating arm 3 starting from the middle position according to FIG figure 3 into the second end position, which corresponds to the open position of the movable furniture part. During this movement 15, which takes place counterclockwise, the second control element 6 contacts the second control cam 8, as a result of which the at least one actuating arm 3 or the actuating part 11 that can be connected to it is coupled. Due to this engagement of the bolt-shaped control element 6 in the second control cam 8 and the relative arrangement of the axes of rotation 45 and 47 as well as the relative arrangement of the second control cam 8 relative to the second control element 6, the pivoting lever 9 subsequently also executes a pivoting movement 16 counterclockwise. The end-position force accumulator 12 and the linear damper 4 subsequently develop the same effects as when the at least one actuating arm 3 moves into the first end position.

Vergleicht man die Prozesse, welche am Stellantrieb 1 bei einer Bewegung des Stellarms 3 in die erste Endlage ablaufen, mit den Prozessen, welche bei einer Bewegung des wenigstens einen Stellarms 3 in die zweite Endlage ablaufen, so stellt man fest, dass die zwei Steuerelemente 5 und 6 und die zwei damit zusammenwirkenden Steuerkurven 7 und 8 als Gleichrichtungsmechanismus fungieren, welcher die beiden Schwenkbewegungen 14 und 15 des wenigstens einen Stellarms 3 in eine in jeweils dieselbe Richtung erfolgende Schwenkbewegung 16 des Schwenkhebels 9 umwandelt.If one compares the processes that take place on the actuator 1 when the actuating arm 3 moves into the first end position with the processes that take place when the at least one actuating arm 3 moves into the second end position, it can be seen that the two control elements 5 and 6 and the two control cams 7 and 8 interacting therewith act as a rectification mechanism which converts the two pivoting movements 14 and 15 of the at least one actuating arm 3 into a pivoting movement 16 of the pivoting lever 9 each taking place in the same direction.

Claims (17)

  1. Actuating drive (1) to drive a movably mounted furniture part (2), comprising at least one actuating arm (3) to be connected to the furniture part (2), wherein the at least one actuating arm (3) is formed to be moveable between a first and a second end position, a damper (4) for damping both a movement (14) of the at least one actuating arm (3) into the first end position and a movement (15) of the at least one actuating arm (3) into the second end position, wherein the damper (4) carries out a damping stroke, and a coupling mechanism (5, 6, 7, 8, 9, 10) for coupling the at least one actuating arm (3) or an actuating part (11) which is or can be connected to said actuating arm to the damper (4) at least in the case of the movements (14, 15) of the at least one actuating arm (3) into the two end positions, wherein the coupling mechanism (5, 6, 7, 8, 9, 10) has an actuator (10) for carrying out the damping stroke of the damper (4), wherein the actuator (10) applies the damper (4) both in the movement (14) of the at least one actuating arm (3) into the first end position and in the movement (15) of the at least one actuating arm (3) into the second end position to carry out the damping stroke, wherein the at least one actuating arm (3) carries out a first swivel movement (14) when moving into the first end position and a second swivel movement (15) when moving into the second end position, which second swivel movement is opposite to the first swivel movement (14) and the coupling mechanism (5, 6, 7, 8, 9, 10) has a swivelling lever (9), on which the actuator (10) is arranged, and a rectification mechanism (5, 6, 7, 8) for converting the two swivel movements (14, 15) of the at least one actuating arm (3) into a swivel movement (16) of the swivelling lever (9) carried out in the same direction and wherein the actuating drive (1) has a main drive energy store (23) to apply energy to the at least one actuating arm (3) or an actuating part (11) which is or can be connected to said actuating arm (3), preferably by means of a translation mechanism (24, 25, 26, 27, 28, 37).
  2. Actuating drive (1) according to claim 1, wherein the actuating drive (1) has an end position energy store (12) for applying energy to the at least one actuating arm (3) both when the at least one actuating arm (3) moves (14) into the first end position and when the at least one actuating arm (3) moves (15) into the second end position.
  3. Actuating drive (1) according to claim 2, wherein the coupling mechanism (5, 6, 7, 8, 9, 10) has an energy transmission element (13) that is preferably pivotably mounted, wherein the end position energy store (12) applies the energy transmission element (13) both when the at least one actuating arm (3) moves (14) into the first end position and when the at least one actuating arm (3) moves (15) into the second end position.
  4. Actuating drive (1) according to claim 3, wherein the end position energy store (12) when it is charged can penetrate the energy transmission element (13) and a swivelling lever (9) that is not positive-locking and/or positive-locking that can move relative to said energy transmission element (13) or vice versa is detachably lockable.
  5. Actuating drive (1) according to any one of claims 2 to 4, wherein the end position energy store (12) can be charged both when the at least one actuating arm (3) moves from the first end position and when the at least one actuating arm (3) moves from the second end position.
  6. Actuating drive (1) according to any one of claim 2 to 5, wherein the damper (4) and the end position energy store (12) are arranged essentially in parallel to one another.
  7. Actuating drive (1) according to any one of claims 1 to 6, wherein the actuator (10) is designed to be rotatable.
  8. Actuating drive (1) according to any one of claims 1 to 7, wherein the rectification mechanism (5, 6, 7, 8) has at least a first and a second control curve (7, 8) and at least a first and a second control element (5, 6), wherein the two control elements (5, 6) are coupled to the at least one actuating arm (3) in terms of movement, the first control element (5) in the first end position of the at least one actuating arm (3) engages in the first control curve (7) and the second control element (6) in the second end position of at least one actuating arm (3) engages in the second control curve (8), wherein preferably the two control curves (7, 8) are arranged on the swivelling lever (9) and/or the two control elements (5, 6) are arranged on an actuating part (11) that is or can be connected to the at least one actuating arm (3).
  9. Actuating drive (1) according to claim 8, wherein the two control curves (7, 8) essentially run in a linear manner and/or are aligned in an essentially rectangular manner relative to one another and/or the two control elements (5, 6) are designed to be pin-shaped.
  10. Actuating drive (1) according to at least claim 3, wherein a contact means (17) for contacting the energy transmission element (13) is arranged on the swivelling lever (9).
  11. Actuating drive (1) according to any one of claims 1 to 10, wherein the actuating drive (1) comprises a housing (18) and the damper (4) and/or the end position energy store (12) on an end (19, 20) is mounted directly or indirectly on the housing (18), preferably fixed.
  12. Actuating drive (1) according to any one of claims 1 to 11, wherein the damper (4) is designed as a linear damper.
  13. Actuating drive (1) according to claim 12, wherein the linear damper (4) has a cylinder and a piston that can move relative to this, the linear damper (4) can be applied by the actuator (10) both in the event of a movement (14) of the at least one actuating arm (3) into the first end position and in the event of the movement (15) of the at least one actuating arm (3) into the second end position in such a manner that essentially only the piston moves and the cylinder is immobile or vice versa and the piston and the cylinder each move in the same direction during both movements (14, 15) of the at least one actuating arm (3).
  14. Actuating drive (1) according to any one of claims 12 or 13, wherein the linear damper (4) has a damper housing (21) and a plunger (22) that can be pushed in relative to the damper housing (21), the linear damper (4) can be applied by the actuator (10) both during the movement (14) of the at least one actuating arm (3) into the first end position and during the movement (15) of the at least one actuating arm (3) into the second end position such that essentially only the plunger (22) moves and the damper housing (21) is immobile or vice versa and the plunger (22) and the damper housing (21) each move in the same direction during both movements (14, 15) of the at least one actuating arm (3).
  15. Furniture (29) with a furniture body (30) and at least one furniture part (2) preferably mounted in a moveable manner about a horizontal axis, preferably in the form of a flap, and at least one actuating drive (1) according to any one of claim 1 to 14 arranged on the furniture body (30), wherein the at least one actuating arm (3) of the actuating drive (1) is connected to the at least one furniture part (2).
  16. Furniture (29) according to claim 15, wherein the at least one moveable furniture part (2) is connected to the furniture body (30) by means of at least one hinge (32), wherein preferably the at least one moveable furniture part (2) is designed in the form of a folding flap consisting of a first and a second partial flap (34, 35), the first partial flap (34) being pivotably mounted on the furniture body (30) and the second partial flap (35) being pivotably connected to the first partial flap (34) by means of a central hinge (33) and the actuating arm (3) of the actuating drive (1) being connected to the second partial flap (35).
  17. Furniture (29) according to any one of claims 15 or 16, wherein the at least one moveable furniture part (2) has an open position and a closed position and the closed position of the furniture part (2) corresponds to the first end position of the at least one actuating arm (3) and the open position of the furniture part (2) corresponds to the second end position of the at least one actuating arm (3), preferably wherein the at least one moveable furniture part (2) carries out a swivelling movement (15) in an upwards direction when the furniture (29) is in the use position and in the event of a movement from the closed position to the open position.
EP17712694.3A 2016-03-11 2017-03-10 Actuating drive for driving a movably mounted furniture part Active EP3426872B1 (en)

Priority Applications (1)

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EP22186254.3A EP4098834A1 (en) 2016-03-11 2017-03-10 Actuator for driving a movable furniture part

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AT502072016 2016-03-11
PCT/AT2017/060062 WO2017152212A1 (en) 2016-03-11 2017-03-10 Actuating drive for driving a movably mounted furniture part

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EP3426872B1 true EP3426872B1 (en) 2022-08-03

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EP (2) EP3426872B1 (en)
JP (1) JP6646162B2 (en)
KR (1) KR102185068B1 (en)
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AT (1) AT16333U1 (en)
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JP6646162B2 (en) 2020-02-14
WO2017152212A1 (en) 2017-09-14
EP4098834A1 (en) 2022-12-07
KR102185068B1 (en) 2020-12-02
AT16333U1 (en) 2019-07-15
US10428568B2 (en) 2019-10-01
EP3426872A1 (en) 2019-01-16
HUE060264T2 (en) 2023-02-28
CN109072651A (en) 2018-12-21
ES2929363T3 (en) 2022-11-28
KR20180119671A (en) 2018-11-02
US20190003229A1 (en) 2019-01-03
JP2019511653A (en) 2019-04-25
CN109072651B (en) 2020-08-04

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