EP2712997B1 - Dispositif de mouvement pour un élément mobile de meuble - Google Patents

Dispositif de mouvement pour un élément mobile de meuble Download PDF

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Publication number
EP2712997B1
EP2712997B1 EP13004633.7A EP13004633A EP2712997B1 EP 2712997 B1 EP2712997 B1 EP 2712997B1 EP 13004633 A EP13004633 A EP 13004633A EP 2712997 B1 EP2712997 B1 EP 2712997B1
Authority
EP
European Patent Office
Prior art keywords
coupling
actuator
latching
movement device
coupling part
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
EP13004633.7A
Other languages
German (de)
English (en)
Other versions
EP2712997A3 (fr
EP2712997A2 (fr
Inventor
Adelbert Lauffer
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.)
GRASS GmbH
Original Assignee
Grass GmbH Deutschland
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 Grass GmbH Deutschland filed Critical Grass GmbH Deutschland
Publication of EP2712997A2 publication Critical patent/EP2712997A2/fr
Publication of EP2712997A3 publication Critical patent/EP2712997A3/fr
Application granted granted Critical
Publication of EP2712997B1 publication Critical patent/EP2712997B1/fr
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
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • 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
    • E05Y2201/214—Disengaging means
    • E05Y2201/216—Clutches
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/23—Actuation thereof
    • E05Y2201/232—Actuation thereof by automatically acting means
    • E05Y2201/236—Actuation thereof by automatically acting means using force or torque
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/23—Actuation thereof
    • E05Y2201/232—Actuation thereof by automatically acting means
    • E05Y2201/236—Actuation thereof by automatically acting means using force or torque
    • E05Y2201/238—Actuation thereof by automatically acting means using force or torque reaction force or torque
    • 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 a movement device for a movable furniture part, in particular a furniture flap, door or drawer, with an actuator and an output which can be driven by the actuator for the movable furniture part, a coupling interacting with the actuator and the output being provided, the coupling being designed as an overload clutch which has a first coupling part in drive connection with the actuator and a second coupling part in output connection with the output, which disengage from one another when a certain force torque is exceeded, coupling means acting between the two coupling parts, which couple the two coupling parts with one another Carrying position and a release position enabling a relative movement between the two coupling parts are movable, and wherein the coupling means comprise locking elements, which in the driving position engage in assigned locking positions took one of the two coupling parts engaged and disengaged from them in the release position.
  • Movement devices for movable furniture parts in which a coupling is arranged between the actuator and the output, have been known for a long time.
  • the coupling ensures that the movable furniture part can be moved in two different ways. With more effective Coupling the movable furniture part is actuated by means of the actuator, for example in the case of a furniture flap or drawer between the open and closed positions. If the coupling is ineffective, the actuator and output are separated and the movable furniture part can be moved manually. This is especially important if the actuator is defective or cannot be operated due to a power failure.
  • a movement device of the type mentioned at the outset is, for example, from US Pat EP 2 248 981 A1 known.
  • the EP 2 248 981 A1 discloses a flap fitting for a furniture flap.
  • the flap fitting has an adjusting arm to which the furniture flap is coupled.
  • the actuating arm can be driven by means of an actuator, so that the furniture flap can be moved from the closed position towards the open position and vice versa.
  • a torque transmission device in the form of an overload clutch is connected between the actuator and the actuating arm.
  • the overload clutch has a first clutch part in the form of a clutch gearwheel connected in drive connection to an electric motor of the actuator and a second clutch part in the form of a clutch gearwheel connected in drive connection to the actuating arm.
  • the EP 2 320 104 A2 discloses a torque clutch with a hollow shaft and an inner shaft arranged concentrically in the hollow shaft.
  • the power transmission between the hollow shaft and the inner shaft takes place via several leaf springs, which are non-rotatably attached to the inner shaft and are positively connected to the hollow shaft.
  • the object of the invention is to provide a movement device of the type mentioned at the outset, which is of simple construction and is relatively insensitive to interference. This object is achieved by a movement device with the features of independent claim 1. Further developments of the invention are presented in the subclaims.
  • the movement device according to the invention for a movable furniture part, in particular furniture flap, door, drawer or the like, is characterized in that the latching elements are firmly clamped on one of the two coupling parts, while the latching receptacles are formed on the other coupling part, the two coupling parts being designed in a wheel-shaped manner and are arranged coaxially to an axis of rotation and concentrically to one another, the coupling means being arranged between the two coupling parts, and the latching elements being designed as bent parts which are elastically bendable under the action of the moment of force and disengage from the associated latching receptacles when the certain moment of force is exceeded.
  • the movable furniture part can be opened and closed in two different ways.
  • actuating opening or closing is possible by means of the actuator, the opening movement preferably taking place from the closed position to the fully open position and vice versa, being completely actuated.
  • the movable furniture part can also be opened or closed manually at any time, in which case the moment of force introduced by the manual handling of the movable furniture part, which can be a torque, ensures that the overload clutch uncouples the actuating arm from the actuator. which then leads to an actuator-free movement of the movable furniture part is possible without hindrance due to the self-locking of the actuator.
  • the overload clutch also helps protect the movable furniture part against accidental damage.
  • a movable furniture part located in the closed position for example a furniture flap, cannot usually be seen from the outside that this is an actuated furniture flap. Therefore, it is quite likely that the user will first try to open the movable furniture part manually. However, manual handling on the movable furniture part will not do anything if the actuator is activated, for example, by brief pressure in the direction of the furniture body. It is therefore entirely conceivable that the user is of the opinion that the movable furniture part is jammed and will consequently pull even more on the movable furniture part, as a result of which the gearbox assigned in the actuator or the actuator itself may be damaged.
  • Coupling means are effective between the two coupling parts and can be moved between a driving position coupling the two coupling parts together and a release position which enables a relative movement between the two coupling parts.
  • the two coupling parts are wheel-shaped and arranged coaxially to an axis of rotation and concentrically to one another, wherein the coupling means are arranged between the two coupling parts.
  • the coupling means comprise latching elements which are engaged in the latching position in the associated latching receptacles on one of the two coupling parts and are disengaged from the latter in the release position.
  • the moment of force can therefore be transmitted by positive locking, that is to say by means of latching elements which are latched into associated latching receptacles in the driving position.
  • a rotary drive movement is generated by the actuator, so that the torque to be transmitted to the output is a torque which can then be converted into a swiveling or linear movement using suitable conversion means.
  • the locking elements are firmly clamped on one of the two coupling parts, while the locking receptacles are formed on the other coupling part.
  • the locking receptacles are expediently designed in such a way that the assigned locking elements are each locked with play in the driving position.
  • the game is selected such that the locking elements disengage in a defined manner when a certain force torque is exceeded.
  • the latching receptacles are formed on the inner first coupling part and the fixed clamping on the outer second coupling part.
  • the inner first coupling part is coupled to the actuator while the outer second coupling part is coupled to the output.
  • a movement coupling of the outer second coupling part would also be included the drive and the inner first coupling part with the output possible.
  • the latching receptacles are expediently designed on the coupling part that is motion-coupled to the drive, that is to say in particular on the inner first coupling part, while the fixed clamping is seated on the coupling part that is motion-coupled to the output.
  • the latching receptacles it would also be conceivable for the latching receptacles to be formed on the coupling part which is coupled to the output, that is to say, for example, the outer second coupling part, while the fixed clamping is formed on the coupling part which is coupled to the drive, in particular the inner first coupling part.
  • the snap-in receptacles on the outer circumference of the inner first coupling part are arranged distributed over the outer circumference.
  • a grid is provided which is distributed uniformly over the outer circumference.
  • the locking elements are designed as bent parts, which are elastically bendable under the action of the moment of force and disengage from the assigned locking receptacles when the specific moment of force is exceeded.
  • the latching elements can be functionally referred to as bending beams.
  • bent parts are particularly expedient to design the bent parts as spring plates.
  • Metal material for example steel material, is particularly suitable for this.
  • non-metallic spring sheets for example plastic sheets, can also be used.
  • the invention further comprises furniture, with a furniture body, to which at least one movable furniture part is assigned is movably guided between a closed position and an open position via a movement device.
  • the furniture according to the invention is characterized by a movement device according to one of claims 1 to 5.
  • the Figures 1 . 3 to 6 show a preferred embodiment of the movement device 11 according to the invention.
  • the movement device 11 is used to drive a movable Furniture part. This can be, for example, a furniture flap, a door, a drawer or the like.
  • the movement device 11 has an actuator, which can comprise an electric motor, for example.
  • the movement device 11 further comprises an output which can be driven by the actuator and which is coupled to the movable furniture part.
  • the output can comprise, for example, an actuating arm which can be driven in a pivotable manner and which is in turn connected to the furniture flap.
  • a clutch 12 is also provided, which interacts with both the actuator and the output and is arranged between the actuator and the output.
  • the clutch is designed as an overload clutch. It has a first coupling part 13 which is in drive connection with the actuator and a second coupling part 14 which is in output connection with the output, which decouple from one another when a certain force torque is exceeded.
  • Coupling means are effective between the two coupling parts 13, 14 and can be moved between a driving position 15 coupling the two coupling parts 13, 14 to one another and a release position 16 which enables a relative movement between the two coupling parts 13, 14.
  • the two coupling parts 13, 14 are wheel-shaped configured, which are arranged coaxially and concentrically to an axis of rotation 17 to each other.
  • the interior of the first coupling part is motion-coupled to the actuator, in particular connected in a rotationally fixed manner to a drive shaft of the actuator.
  • the inner first coupling part 13 is enveloped by the outer second coupling part, an annular space 18 being formed in the radial direction between the inner first coupling part and the outer second coupling part.
  • This intermediate space is penetrated by the coupling means, which according to the first exemplary embodiment are designed as latching elements 19 in the form of bent parts.
  • the locking elements 19 are locked in the driving position 15 in assigned locking receptacles 20, which in the example are arranged on the outer circumference of the inner first coupling part 13 evenly distributed over the circumference.
  • the Figures 3 and 4 show a first embodiment of an inner first coupling part 13 with its snap-in receptacles 20 formed on the outer circumference and evenly distributed over the outer circumference, each of which is designed in a groove-like manner and extends essentially over the axial length of the inner first coupling part 13.
  • the snap-in elements 19 designed as bent parts are snapped into the associated snap-in receptacles 20 with play.
  • the latching elements 19 can disengage from the respective latching receptacles 20 in a defined manner when the specific moment of force, in particular torque, is exceeded and Figure 1b can reach the occupied position shown in dash-dotted lines, the groove flanks of the groove-like locking receptacles 20 are chamfered.
  • the locking elements 19 are firmly clamped on the outer second coupling part 14. The disengagement takes place on the part of the first coupling part 13.
  • the bent parts are resiliently bendable in the manner of bending beams under the action of the moment of force, so that, as mentioned, they disengage from the associated catch receptacles 20 when a certain moment of force is exceeded.
  • the bent parts are designed as spring plates and extend in the axial direction essentially over the entire length of the latching receptacles 20.
  • Metal plate in particular steel plate, is suitable as the plate material.
  • the Figures 5 and 6 show a second embodiment of the inner first coupling part 13, which in contrast to that in the Figures 3 and 4 shown first embodiment is designed in the manner of a pinion.
  • the spring plates are each engaged in the tooth valleys lying between two adjacent tooth tips and can also disengage from there in a defined manner as a result of the oblique tooth flanks.
  • Figure 2 shows an embodiment of the movement device 11 not belonging to the invention.
  • This embodiment also comprises two coupling parts 13, 14 which are arranged coaxially with respect to the axis of rotation 17.
  • the inner first coupling part 13 is coupled in motion to a drive shaft (not shown) of the actuator.
  • the outer second coupling part surrounds the first coupling part 13.
  • locking elements 19 are also provided, which, in contrast to the first exemplary embodiment, are designed in the manner of rolling bearings, that is to say, for example, as balls.
  • the balls are in assigned, radially aligned bores 22 are added, spring elements additionally being accommodated in the latter.
  • the balls are each mounted on the spring elements in the form of compression springs, which press the ball radially outward into the respective grooves 21 formed on the outer second coupling part 14.
  • a power transmission takes place from the inner first coupling part 13 to the outer second coupling part 14, which is motion-coupled to the output.
  • the balls are pressed back into their respective bores 22 and roll out of the assigned groove 21 on the second coupling part 14.
  • the grooves 21 each have chamfered side edges to facilitate rolling out.

Landscapes

  • Drawers Of Furniture (AREA)

Claims (6)

  1. Dispositif de mouvement pour un élément de meuble mobile, en particulier clapet de meuble, porte, tiroir ou similaire, avec un actionneur et une sortie pouvant être entraînée par l'actionneur pour l'élément de meuble mobile, dans lequel un accouplement (12) coopérant avec l'actionneur et la sortie est prévu, qui est réalisé en tant qu'accouplement de surcharge, qui présente un premier élément d'accouplement (13) en liaison d'entraînement avec l'actionneur et un deuxième élément d'accouplement (14) en liaison de sortie avec la sortie, qui se découplent l'un de l'autre en cas de dépassement d'un moment de force déterminé, dans lequel des moyens d'accouplement sont actifs entre les deux éléments d'accouplement (13, 14), qui sont mobiles entre une position d'entraînement (15) accouplant l'un à l'autre les deux éléments d'accouplement (13, 14) et une position de libération (16) permettant un mouvement relatif entre les deux éléments d'accouplement (13, 14), et dans lequel les moyens d'accouplement comprennent des éléments d'encliquetage (19), qui sont encliquetés dans la position d'entraînement (15) dans des logements d'encliquetage associés (20) au niveau d'un des deux éléments d'accouplement (13, 14) et sont désencliquetés de ceux-ci dans la position de libération (16), caractérisé en ce que les éléments d'encliquetage (19) sont serrés fermement au niveau d'un des deux éléments d'accouplement (13, 14), pendant que les logements d'encliquetage (20) sont réalisés au niveau de l'autre élément d'accouplement (13, 14), dans lequel les deux éléments d'accouplement (13, 14) sont configurés en forme de roue et sont agencés coaxialement à un axe de rotation (17) ainsi que concentriquement l'un par rapport à l'autre, dans lequel les moyens d'accouplement sont agencés entre les deux éléments d'accouplement (13, 14), et dans lequel les éléments d'encliquetage (19) sont réalisés en tant qu'éléments de flexion, qui sont flexibles élastiquement sous l'action du moment de force et se désencliquettent des logements d'encliquetage associés (20) en cas de dépassement du moment de force déterminé.
  2. Dispositif de mouvement selon la revendication 1, caractérisé en ce que les logements d'encliquetage (20) sont réalisés de sorte que les éléments d'encliquetage associés (19) y sont encliquetés dans la position d'entraînement (15) respectivement avec un jeu.
  3. Dispositif de mouvement selon l'une quelconque des revendications précédentes, caractérisé en ce que les logements d'encliquetage (20) sont réalisés au niveau du premier élément d'accouplement interne (13) et le serrage ferme au niveau du deuxième élément d'accouplement externe (14).
  4. Dispositif de mouvement selon la revendication 3, caractérisé en ce que les logements d'encliquetage (20) sont agencés au niveau de la circonférence extérieure du premier élément d'accouplement interne (13), en particulier distribués uniformément sur la circonférence extérieure.
  5. Dispositif de mouvement selon l'une quelconque des revendications précédentes, caractérisé en ce que les éléments de flexion sont réalisés en tant que tôles élastiques.
  6. Meuble, avec un corps de meuble, auquel au moins un élément de meuble mobile est associé, qui est guidé mobile entre une position de fermeture et une position d'ouverture par le biais d'un dispositif de mouvement (11), caractérisé en ce que le dispositif de mouvement (11) est réalisé selon l'une quelconque des revendications 1 à 5.
EP13004633.7A 2012-10-01 2013-09-24 Dispositif de mouvement pour un élément mobile de meuble Active EP2712997B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202012009451.3U DE202012009451U1 (de) 2012-10-01 2012-10-01 Bewegungsvorrichtung für ein bewegbares Möbelteil

Publications (3)

Publication Number Publication Date
EP2712997A2 EP2712997A2 (fr) 2014-04-02
EP2712997A3 EP2712997A3 (fr) 2017-12-20
EP2712997B1 true EP2712997B1 (fr) 2020-03-04

Family

ID=49263089

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13004633.7A Active EP2712997B1 (fr) 2012-10-01 2013-09-24 Dispositif de mouvement pour un élément mobile de meuble

Country Status (2)

Country Link
EP (1) EP2712997B1 (fr)
DE (1) DE202012009451U1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007014560U1 (de) * 2007-10-16 2009-03-12 Hettich-Heinze Gmbh & Co. Kg Angetriebener Beschlag
AT11823U1 (de) * 2008-11-21 2011-05-15 Blum Gmbh Julius Öffnungs- und schliessmechanismus für möbeltüren und möbelklappen
EP2248981A1 (fr) * 2009-05-08 2010-11-10 Hetal-Werke Franz Hettich GmbH & Co. KG Ferrure pour clapet de meuble et meuble
DE102009046477B4 (de) * 2009-11-06 2011-09-01 Hilti Aktiengesellschaft Drehmomentkupplung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2712997A3 (fr) 2017-12-20
EP2712997A2 (fr) 2014-04-02
DE202012009451U1 (de) 2014-01-07

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