EP2545808B1 - Slide assembly for guiding of extractable furniture parts and moving device for furniture parts - Google Patents

Slide assembly for guiding of extractable furniture parts and moving device for furniture parts Download PDF

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Publication number
EP2545808B1
EP2545808B1 EP12004721.2A EP12004721A EP2545808B1 EP 2545808 B1 EP2545808 B1 EP 2545808B1 EP 12004721 A EP12004721 A EP 12004721A EP 2545808 B1 EP2545808 B1 EP 2545808B1
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EP
European Patent Office
Prior art keywords
drive
furniture
electric drive
stator
pull
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EP12004721.2A
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German (de)
French (fr)
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EP2545808A3 (en
EP2545808A2 (en
Inventor
Jürgen Ahlfeld
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Grass GmbH
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Grass GmbH
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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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/453—Actuated drawers
    • A47B88/457—Actuated drawers operated by electrically-powered actuation means
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furnitures, e.g. cabinets

Definitions

  • the invention relates to a guide device for guiding a furniture pull-out which is movable relative to a furniture body, with at least one guide unit which has a body rail which can be fastened to the furniture body by means of fastening means and a pull-out rail which is relatively movably mounted and fastened to the furniture pull-out, and with an electric drive via which the Furniture pull-out can be driven in a movable manner, the electric drive being integrated in the guide unit, and the electric drive having a stator arranged on the carcass rail and a driven member which is relatively movable and coupled to or forming the pull-out rail, the electric drive being designed as a piezoelectric linear drive is, the output member is guided linearly movable along the stator, and with a piezoelectric actuator system for driving the output member, wherein the piezoelectric actuator system is seated on the stator. or forms the stator.
  • the DE 203 08 256 U1 discloses a furniture drive in the form of a linear drive integrated in the drawer guide.
  • the linear drive is designed as a bimetal spring drive.
  • a piezometer is mentioned as an alternative to the bimetal spring drive.
  • the object of the invention is to provide a guide device of the type mentioned at the outset, which is of compact construction and is equipped with a powerful electric drive.
  • the guide device is characterized in that the piezoelectric actuator system is designed in such a way that when excited, a bending shaft rotating in a circumferential direction of the stator is generated.
  • the electric drive is not located on a peripheral component, for example on the furniture body or on the furniture pull-out, but is part of the guide unit of the guide device. This makes it possible to accommodate the electric drive in a space-saving manner. This means that there is no need for an electric drive, particularly on the furniture body or on the furniture pull-out be installed, but the assembly takes place on the already existing guide unit.
  • the electric drive is part of a drive module that can be handled in a uniform manner and can be accommodated as a unit in the guide unit.
  • a drive module can be assembled and disassembled in a simple and quick manner, for example for maintenance or for replacing the electric drive.
  • the electric drive has a stator arranged on the carcass rail and a driven member that is relatively movable for this purpose, coupled to the pull-out rail or forming it.
  • Essential components of the electric drive in particular the stator and the output member, can therefore be arranged between the body rail and the pull-out rail. It is possible to integrate the electric drive into a guide unit designed as an automatic feeder with a carcass rail, a pull-out rail and a middle rail in between.
  • the electric drive can be arranged between the body rail and the middle rail or between the middle rail and the pull-out rail.
  • the electric drive is designed as an electric linear drive, in particular an electric linear direct drive, with an output element that is guided linearly along the stator.
  • a linear movement generated by means of the electric linear drive can be tapped via the output member and transferred directly into a linear movement of the pull-out rail without any transfer means.
  • the output member is also referred to as a rotor when an electric linear drive is used.
  • the electric drive for driving a further drive is coupled to the further drive via coupling means.
  • the electric drive can be designed as an auxiliary drive with which the main drive can be controlled, activated, charged or the like.
  • the auxiliary drive can be used, for example, with a lock, such as a child lock or interchangeable lock.
  • a spring for example, can be used as the coupling means, which can be tensioned by means of the electric drive and releases its stored spring energy when required. It is also possible for the electric drive to activate or actuate an actuating member known from the prior art and mentioned above, for example an ejector or ejector.
  • the electric drive is designed as a piezoelectric drive, with a piezoelectric actuator system for driving the output member.
  • the piezoelectric actuator system sits on the stator or forms the stator.
  • the piezoelectric actuator system is designed in such a way that when excited, a bending shaft rotating in a circumferential direction of the stator is generated. Electric drives with such a piezoelectric actuator system are also referred to as traveling wave motors.
  • FIG. 1 A preferred embodiment of the invention is shown in the drawing and is explained in more detail below.
  • the only figure in the drawing shows: a preferred embodiment of the guide device according to the invention in a schematic perspective view.
  • the figure shows a preferred embodiment of the guide device 11 according to the invention for guiding a furniture pull-out (not shown) which can be moved relative to a furniture body.
  • the guide device 11 is preferably used in a furniture pull-out designed as a drawer. It is of course possible to use the guide device 11 also with other pull-outs.
  • the guide device 11 is explained below using the example of a drawer.
  • the drawer is slidably mounted relative to the furniture body (not shown) by means of the guide device 11.
  • the guide device 11 comprises several guide units 12, of which two opposite side edges of the drawer are assigned.
  • the guide device 11 can be a so-called underfloor guide, in which the guide units 12 are assigned to the drawer bottom. Alternatively, it would be possible for the guide unit to be integrated into the side wall of the drawer.
  • the guide unit 12 has a body rail 13 which is to be fixed in place on the furniture body and a pull-out rail 14 which is relatively movable in relation to this and which is to be mounted on the drawer.
  • the pull-out rail 14 is mounted on the underside of the drawer bottom, while the body rail 13 is located on the bottom of the drawer compartment opposite the drawer bottom.
  • the body rail 13 is expediently mounted on the side wall of the drawer compartment, while the pull-out rail 14 can be integrated, for example, into the side frame of the drawer.
  • An electric drive 15 is also provided, which is integrated in the guide unit 12.
  • the electric drive 15 is part of a drive module 40 which can be handled uniformly and accommodated as a unit in the guide unit 12.
  • the guide unit 12 with the electric drive 15 is suitable both for partial pull-outs and for full pull-outs which, in addition to the carcass and pull-out rail, also have a further pull-out rail - also called a central rail.
  • an electric drive 15 with a relatively small structural size is required, which therefore takes up little space overall.
  • the figure shows a special form of the piezoelectric drive, namely a piezoelectric linear drive.
  • the piezoelectric linear drive is designed as a so-called linear traveling wave motor.
  • the principle of a traveling wave motor is based on the fact that in the stator 16 of the motor excites resonant vibrations, superimposes waves that are to be continued and transmits these oscillating movements to the drive by friction.
  • the traveling wave motor shown in the figure acts as a linear direct drive, the stator 16 being connected to the body rail 13.
  • the stator is designed as a ring stator, which consists of two straight sections, a drive section 17 and a bearing section 18, which are connected by two semicircular arcs.
  • a piezoelectric actuator system 19 with a plurality of piezoelectric actuators 20 is arranged on the inside of the bearing section 18. Platelet-like piezoceramics are used as piezoelectric actuators 20.
  • the ring stator can be suspended by two membranes (not shown) along both sides of the bearing section 18, so that the ring stator is fixed in space, but the traveling wave can circulate undisturbed in the waveguide.
  • A sits on the upper drive section 17
  • Output member 21 in the form of a runner, which in turn is connected to the pull-out rail 14.
  • the bearing section carries a tooth structure 22.
  • the rotor engages around the tooth structure 22 and is moved in one direction or another along the tooth structure 22 depending on the direction in which the traveling wave rotates.
  • the movement device not according to the invention which is not shown in the drawing, is assigned a furniture part which is movable relative to a furniture body in the form of a drawer, furniture flap, door or the like.
  • the movement device is explained below using the example of a drawer.
  • the movement device has adjusting means which can be coupled to the drawer.
  • An electrical drive in the form of a piezoelectric drive is also provided.
  • the movement device according to one exemplary embodiment comprises a device housing in which an actuating member in the form of an ejector or ejector is movably mounted.
  • the actuator can be pivoted between a retracted and an extended position. The user swings out after a trigger command, which moves the drawer out of the retracted position from the furniture compartment.
  • the electric drive in the form of the piezoelectric drive is used to actuate or pivot the actuating member.
  • a piezoelectric rotary drive in the form of a traveling wave motor with a rotating flexible shaft is provided, which is characterized by a particularly flat design.
  • the linear traveling wave motor described above could also be used.
  • the shaft motor has a flange plate that is attached to the device housing.
  • the flange plate carries an annular vibration stator on which there is at least one piezoelectric actuator.
  • the piezoelectric actuators are arranged in a ring, as a result of which the disk-shaped stator is excited to vibrate in such a way that a traveling wave is formed in the form of a rotating mechanical bending wave.
  • the disk-shaped stator rolls on a polymer contact layer, which is located on a rotor.
  • the rotor is pressed onto the stator by a plate spring, whereby a rotating movement of the rotor is generated when the traveling shaft rotates and can be tapped via a drive shaft.
  • the drive shaft is connected to the actuating member via coupling means in the form of a gear.
  • the transmission consists of a belt transmission section which is coupled to a gear transmission section, the latter being coupled to a bearing shaft of the actuating member, as a result of which a rotational movement can be converted into a pivoting movement of the actuating member.
  • the movement device described above is not limited to the embodiment of the ejector unit with ejector.
  • the movement device could also be part of an automatic feeder, a pull-out device or the like.

Description

Die Erfindung betrifft eine Führungseinrichtung zur Führung eines relativ zu einem Möbelkorpus bewegbaren Möbelauszugs, mit wenigstens einer Führungseinheit, die eine am Möbelkorpus mittels Befestigungsmitteln befestigbare Korpusschiene und eine hierzu relativ beweglich gelagerte, am Möbelauszug befestigbare Auszugschiene aufweist, und mit einem elektrischen Antrieb, über den der Möbelauszug beweglich antreibbar ist, wobei der elektrische Antrieb in die Führungseinheit integriert ist, und wobei der elektrische Antrieb einen an der Korpusschiene angeordneten Stator und ein hierzu relativ bewegliches, mit der Auszugschiene gekoppeltes oder diese bildendes Abtriebsglied aufweist, wobei der elektrische Antrieb als piezoelektrischer Linearantrieb ausgebildet ist, wobei das Abtriebsglied entlang des Stators linear beweglich geführt ist, und mit einem piezoelektrischen Aktorsystem zum Antreiben des Abtriebsglieds, wobei das piezoelektrische Aktorsystem am Stator sitzt. oder den Stator bildet.The invention relates to a guide device for guiding a furniture pull-out which is movable relative to a furniture body, with at least one guide unit which has a body rail which can be fastened to the furniture body by means of fastening means and a pull-out rail which is relatively movably mounted and fastened to the furniture pull-out, and with an electric drive via which the Furniture pull-out can be driven in a movable manner, the electric drive being integrated in the guide unit, and the electric drive having a stator arranged on the carcass rail and a driven member which is relatively movable and coupled to or forming the pull-out rail, the electric drive being designed as a piezoelectric linear drive is, the output member is guided linearly movable along the stator, and with a piezoelectric actuator system for driving the output member, wherein the piezoelectric actuator system is seated on the stator. or forms the stator.

Die DE 203 08 256 U1 offenbart einen Möbelantrieb in Form eines in die Schubladenführung integrierten Linearantriebs. Der Linearantrieb ist in der Bauart eines Bimetallfeder-Antriebs ausgeführt. Als Alternative zum Bimetallfeder-Antrieb ist ein Piezometer genannt.The DE 203 08 256 U1 discloses a furniture drive in the form of a linear drive integrated in the drawer guide. The linear drive is designed as a bimetal spring drive. A piezometer is mentioned as an alternative to the bimetal spring drive.

Aufgabe der Erfindung ist es, eine Führungseinrichtung der eingangs erwähnten Art zu schaffen, die kompakt aufgebaut und mit einem leistungsstarken elektrischen Antrieb ausgestattet sind.The object of the invention is to provide a guide device of the type mentioned at the outset, which is of compact construction and is equipped with a powerful electric drive.

Diese Aufgabe wird durch eine Führungseinrichtung mit den Merkmalen des unabhängigen Anspruchs 1 gelöst. Weiterbildungen der Erfindung sind in den Unteransprüchen dargestellt.This object is achieved by a guide device with the features of independent claim 1. Further developments of the invention are presented in the subclaims.

Die erfindungsgemäße Führungseinrichtung zeichnet sich dadurch aus, dass das piezoelektrische Aktorsystem derart ausgebildet ist, dass bei Erregung eine in einer Umfangsrichtung des Stators umlaufende Biegewelle erzeugt wird.The guide device according to the invention is characterized in that the piezoelectric actuator system is designed in such a way that when excited, a bending shaft rotating in a circumferential direction of the stator is generated.

Der elektrische Antrieb befindet sich nicht an einem Peripheriebauteil, beispielsweise am Möbelkorpus oder am Möbelauszug, sondern ist Bestandteil der Führungseinheit der Führungseinrichtung. Dadurch ist es möglich, den elektrischen Antrieb platzsparend unterzubringen. Somit muss insbesondere weder am Möbelkorpus noch am Möbelauszug ein elektrischer Antrieb angebaut werden, sondern die Montage erfolgt an der ohnehin vorhandenen Führungseinheit.The electric drive is not located on a peripheral component, for example on the furniture body or on the furniture pull-out, but is part of the guide unit of the guide device. This makes it possible to accommodate the electric drive in a space-saving manner. This means that there is no need for an electric drive, particularly on the furniture body or on the furniture pull-out be installed, but the assembly takes place on the already existing guide unit.

Bei einer Weiterbildung der Erfindung ist der elektrische Antrieb Bestandteil eines Antriebsmoduls, das sich einheitlich handhaben und als Einheit in der Führungseinheit unterbringen lässt. Ein solches Antriebsmodul ist bei Bedarf in einfacher und schneller Weise, beispielsweise zur Wartung oder zum Austausch des elektrischen Antriebs, montierbar beziehungsweise demontierbar.In a development of the invention, the electric drive is part of a drive module that can be handled in a uniform manner and can be accommodated as a unit in the guide unit. Such a drive module can be assembled and disassembled in a simple and quick manner, for example for maintenance or for replacing the electric drive.

Der elektrische Antrieb weist einen an der Korpusschiene angeordneten Stator und ein hierzu relativ bewegliches, mit der Auszugschiene gekoppeltes oder diese bildendes Abtriebsglied auf. Wesentlichen Bestandteile des elektrischen Antriebs, insbesondere Stator und Abtriebsglied, können also zwischen der Korpusschiene und der Auszugschiene angeordnet sein. Es ist möglich, den elektrischen Antrieb in eine als Einzugsautomatik mit Korpusschiene, Auszugschiene und dazwischen liegender Mittelschiene ausgebildete Führungseinheit zu integrieren. Der elektrische Antrieb kann zwischen Korpusschiene und Mittelschiene oder zwischen Mittelschiene und Auszugschiene angeordnet sein.The electric drive has a stator arranged on the carcass rail and a driven member that is relatively movable for this purpose, coupled to the pull-out rail or forming it. Essential components of the electric drive, in particular the stator and the output member, can therefore be arranged between the body rail and the pull-out rail. It is possible to integrate the electric drive into a guide unit designed as an automatic feeder with a carcass rail, a pull-out rail and a middle rail in between. The electric drive can be arranged between the body rail and the middle rail or between the middle rail and the pull-out rail.

Der elektrische Antrieb ist als elektrischer Linearantrieb, insbesondere elektrischer Lineardirektantrieb, ausgebildet, mit einem entlang des Stators linear geführten Abtriebsglied. Über das Abtriebsglied lässt sich eine mittels des elektrischen Linearantriebs erzeugte Linearbewegung abgreifen und direkt ohne Umsetzmittel in eine Linearbewegung der Auszugschiene übertragen. Das Abtriebsglied wird im Falle der Verwendung eines elektrischen Linearantriebs auch als Läufer bezeichnet.The electric drive is designed as an electric linear drive, in particular an electric linear direct drive, with an output element that is guided linearly along the stator. A linear movement generated by means of the electric linear drive can be tapped via the output member and transferred directly into a linear movement of the pull-out rail without any transfer means. The output member is also referred to as a rotor when an electric linear drive is used.

Bei einer Weiterbildung der Erfindung ist der elektrische Antrieb zum Antreiben eines weiteren Antriebs über Kopplungsmitteln mit dem weiteren Antrieb gekoppelt. Der elektrische Antrieb kann als Hilfsantrieb ausgestaltet sein, mit dem sich der Hauptantrieb ansteuern, aktivieren, aufladen o. dgl. lässt. Der Hilfsantrieb kann beispielsweise bei einer Verriegelung, wie zum Beispiel bei einer Kindersicherung oder Wechselschließung, zum Einsatz kommen. Als Kopplungsmittel kann beispielsweise eine Feder dienen, die mittels des elektrischen Antriebs spannbar ist und ihre gespeicherte Federenergie bei Bedarf abgibt. Es ist auch möglich, dass der elektrische Antrieb ein aus dem Stand der Technik bekanntes und vorstehend erwähntes Betätigungsorgan, beispielsweise Auswerfer oder Ausstoßer, aktiviert oder dieses betätigt.In a further development of the invention, the electric drive for driving a further drive is coupled to the further drive via coupling means. The electric drive can be designed as an auxiliary drive with which the main drive can be controlled, activated, charged or the like. The auxiliary drive can be used, for example, with a lock, such as a child lock or interchangeable lock. A spring, for example, can be used as the coupling means, which can be tensioned by means of the electric drive and releases its stored spring energy when required. It is also possible for the electric drive to activate or actuate an actuating member known from the prior art and mentioned above, for example an ejector or ejector.

Der elektrische Antrieb ist als piezoelektrischer Antrieb ausgebildet, mit einem piezoelektrischen Aktorsystem zum Antreiben des Abtriebsglieds.The electric drive is designed as a piezoelectric drive, with a piezoelectric actuator system for driving the output member.

Das piezoelektrische Aktorsystem sitzt am Stator oder bildet den Stator.The piezoelectric actuator system sits on the stator or forms the stator.

Das piezoelektrische Aktorsystem ist derart ausgebildet, dass bei Erregung eine in einer Umfangsrichtung des Stators umlaufende Biegewelle erzeugt wird. Elektrische Antriebe mit einem solchen piezoelektrischen Aktorsystem werden auch als Wanderwellenmotoren bezeichnet.The piezoelectric actuator system is designed in such a way that when excited, a bending shaft rotating in a circumferential direction of the stator is generated. Electric drives with such a piezoelectric actuator system are also referred to as traveling wave motors.

Ein bevorzugtes Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im Folgenden näher erläutert. Die einzige Figur der Zeichnung zeigt:
ein bevorzugtes Ausführungsbeispiel der erfindungsgemäßen Führungseinrichtung in schematischer perspektivischer Ansicht.A preferred embodiment of the invention is shown in the drawing and is explained in more detail below. The only figure in the drawing shows:
a preferred embodiment of the guide device according to the invention in a schematic perspective view.

Die Figur zeigt ein bevorzugtes Ausführungsbeispiel der erfindungsgemäßen Führungseinrichtung 11 zur Führung eines relativ zu einem Möbelkorpus bewegbaren Möbelauszugs (nicht dargestellt). Die Führungseinrichtung 11 wird vorzugsweise bei einem als Schublade ausgebildeten Möbelauszug eingesetzt. Es ist selbstverständlich möglich, die Führungseinrichtung 11 auch bei anderen Möbelauszügen einzusetzen.The figure shows a preferred embodiment of the guide device 11 according to the invention for guiding a furniture pull-out (not shown) which can be moved relative to a furniture body. The guide device 11 is preferably used in a furniture pull-out designed as a drawer. It is of course possible to use the guide device 11 also with other pull-outs.

Im Folgenden wird die erfindungsgemäße Führungseinrichtung 11 am Beispiel einer Schublade erläutert. Die Schublade ist mittels der Führungseinrichtung 11 relativ zum Möbelkorpus (nicht dargestellt) verschieblich gelagert. Die Führungseinrichtung 11 umfasst mehrere Führungseinheiten 12, von denen zwei einander entgegengesetzt liegenden Seitenrändern der Schublade zugeordnet sind. Bei der Führungseinrichtung 11 kann es sich um eine sogenannte Unterflur-Führung handeln, bei der die Führungseinheiten 12 dem Schubladenboden zugeordnet sind. Alternativ wäre es möglich, dass die Führungseinheit in die Seitenwand der Schublade integriert ist.The guide device 11 according to the invention is explained below using the example of a drawer. The drawer is slidably mounted relative to the furniture body (not shown) by means of the guide device 11. The guide device 11 comprises several guide units 12, of which two opposite side edges of the drawer are assigned. The guide device 11 can be a so-called underfloor guide, in which the guide units 12 are assigned to the drawer bottom. Alternatively, it would be possible for the guide unit to be integrated into the side wall of the drawer.

Wie insbesondere in der Figur dargestellt, besitzt die Führungseinheit 12 eine ortsfest am Möbelkorpus zu montierende Korpusschiene 13 und eine hierzu relativ bewegliche, an der Schublade zu montierende Auszugschiene 14. Im Falle einer Unterflur-Führung ist die Auszugschiene 14 an der Unterseite des Schubladenbodens montiert, während sich die Korpusschiene 13 am Boden des dem Schubladenboden gegenüberliegenden Schubladenfachs befindet. Im Falle einer in die Seitenwand der Schublade integrierten Führung ist die Korpusschiene 13 zweckmäßigerweise an der Seitenwand des Schubladenfachs montiert, während die Auszugschiene 14 beispielsweise in die Seitenzarge der Schublade integriert sein kann.As shown in particular in the figure, the guide unit 12 has a body rail 13 which is to be fixed in place on the furniture body and a pull-out rail 14 which is relatively movable in relation to this and which is to be mounted on the drawer. In the case of an underfloor guide, the pull-out rail 14 is mounted on the underside of the drawer bottom, while the body rail 13 is located on the bottom of the drawer compartment opposite the drawer bottom. In the case of a guide integrated into the side wall of the drawer, the body rail 13 is expediently mounted on the side wall of the drawer compartment, while the pull-out rail 14 can be integrated, for example, into the side frame of the drawer.

Es ist ferner ein elektrischer Antrieb 15 vorgesehen, der in die Führungseinheit 12 integriert ist. Der elektrische Antrieb 15 ist Bestandteil eines Antriebsmoduls 40, das sich einheitlich handhaben und als Einheit in der Führungseinheit 12 unterbringen lässt. Die Führungseinheit 12 mit dem elektrischen Antrieb 15 ist sowohl für Teilauszüge als auch für Vollauszüge, die zusätzlich zur Korpus- und Auszugsschiene noch eine weitere Auszugsschiene - auch Mittelschiene genannt - aufweisen, geeignet.An electric drive 15 is also provided, which is integrated in the guide unit 12. The electric drive 15 is part of a drive module 40 which can be handled uniformly and accommodated as a unit in the guide unit 12. The guide unit 12 with the electric drive 15 is suitable both for partial pull-outs and for full pull-outs which, in addition to the carcass and pull-out rail, also have a further pull-out rail - also called a central rail.

Um den elektrischen Antrieb 15 in die Führungseinheit 12 zu integrieren, bedarf es eines elektrischen Antriebs 15 mit relativ geringen Bauabmessungen, der insgesamt also wenig Platz beansprucht. Hierzu eignet sich im Besonderen ein elektrischer Antrieb 15 in Form eines piezoelektrischen Antriebs. Dieser zeichnet sich trotz seiner geringen Baugröße dadurch aus, dass selbst bei kleinen Drehzahlen große Drehmomente erzielt werden können. Ein solcher piezoelektrischer Antrieb ist also durchaus in der Lage, selbst schwere Schubladen anzutreiben.In order to integrate the electric drive 15 into the guide unit 12, an electric drive 15 with a relatively small structural size is required, which therefore takes up little space overall. An electric one is particularly suitable for this Drive 15 in the form of a piezoelectric drive. Despite its small size, this is characterized by the fact that large torques can be achieved even at low speeds. Such a piezoelectric drive is therefore able to drive even heavy drawers.

Die Figur zeigt eine besondere Form des piezoelektrischen Antriebs, nämlich einen piezoelektrischen Linearantrieb. Der piezoelektrische Linearantrieb ist als sogenannter linearer Wanderwellenmotor ausgebildet.The figure shows a special form of the piezoelectric drive, namely a piezoelectric linear drive. The piezoelectric linear drive is designed as a so-called linear traveling wave motor.

Das Prinzip eines Wanderwellenmotors beruht darauf, dass im Stator 16 des Motors resonante Schwingungen erregt, zu fortlaufende Wellen überlagert und durch Reibschluss diese Schwingbewegungen auf den Antrieb übertragen.The principle of a traveling wave motor is based on the fact that in the stator 16 of the motor excites resonant vibrations, superimposes waves that are to be continued and transmits these oscillating movements to the drive by friction.

Der in der Figur gezeigte Wanderwellenmotor wirkt als Lineardirektantrieb, wobei der Stator 16 mit der Korpusschiene 13 verbunden ist. Um eine Wanderwelle zu erzeugen, ist es bei linearen Wanderwellenmotoren notwendig, dass der Stator 16 geschlossen ist, damit die Wanderwelle umlaufen kann. Daher ist der Stator als Ringstator ausgebildet, der aus zwei geraden Abschnitten, einem Antriebsabschnitt 17 und einem Lagerabschnitt 18, besteht, die durch zwei Halbkreisbögen verbunden sind. An der Innenseite des Lagerabschnitts 18 ist ein piezoelektrisches Aktorsystem 19 mit mehreren piezoelektrischen Aktoren 20 angeordnet. Als piezoelektrische Aktoren 20 werden plättchenartige Piezokeramiken verwendet. Die Aufhängung des Ringstators kann durch zwei Membrane (nicht dargestellt) entlang beiden Seiten des Lagerabschnitts 18 erfolgen, so dass der Ringstator im Raum ortsfest gebunden ist, die Wanderwelle jedoch ungestört im Wellenleiter umlaufen kann. Auf dem oberen Antriebsabschnitt 17 sitzt ein Abtriebsglied 21 in Form eines Läufers, der seinerseits mit der Auszugschiene 14 verbunden ist. Zur Vergrößerung der Bewegungskomponente in Abtriebsrichtung trägt der Lagerabschnitt eine Zahnstruktur 22. Der Läufer umgreift die Zahnstruktur 22und wird je nachdem, in welche Richtung die Wanderwelle umläuft, in die eine oder andere Richtung entlang der Zahnstruktur 22 bewegt.The traveling wave motor shown in the figure acts as a linear direct drive, the stator 16 being connected to the body rail 13. In order to generate a traveling wave, it is necessary for linear traveling wave motors that the stator 16 is closed so that the traveling wave can circulate. Therefore, the stator is designed as a ring stator, which consists of two straight sections, a drive section 17 and a bearing section 18, which are connected by two semicircular arcs. A piezoelectric actuator system 19 with a plurality of piezoelectric actuators 20 is arranged on the inside of the bearing section 18. Platelet-like piezoceramics are used as piezoelectric actuators 20. The ring stator can be suspended by two membranes (not shown) along both sides of the bearing section 18, so that the ring stator is fixed in space, but the traveling wave can circulate undisturbed in the waveguide. A sits on the upper drive section 17 Output member 21 in the form of a runner, which in turn is connected to the pull-out rail 14. To increase the movement component in the output direction, the bearing section carries a tooth structure 22. The rotor engages around the tooth structure 22 and is moved in one direction or another along the tooth structure 22 depending on the direction in which the traveling wave rotates.

Der nicht erfindungsgemäßen Bewegungsvorrichtung, die in der Zeichnung nicht dargestellt ist, ist ein relativ zu einem Möbelkorpus bewegliches Möbelteil in Form einer Schublade, Möbelklappe, Tür oder dergleichen zugeordnet. Die Bewegungsvorrichtung wird im Folgenden am Beispielsfall Schublade erläutert.The movement device not according to the invention, which is not shown in the drawing, is assigned a furniture part which is movable relative to a furniture body in the form of a drawer, furniture flap, door or the like. The movement device is explained below using the example of a drawer.

Die Bewegungsvorrichtung weist Stellmittel auf, die mit der Schublade koppelbar sind. Ferner ist ein elektrischer Antrieb in Form eines piezoelektrischen Antriebs vorgesehen. Die Bewegungsvorrichtung gemäß einem Ausführungsbeispiel umfasst ein Vorrichtungsgehäuse, in dem ein Betätigungsorgan in Form eines Auswerfers oder Ausstoßers beweglich gelagert ist. Das Betätigungsorgan lässt sich zwischen einer eingefahrenen und einer ausgefahrenen Stellung verschwenken. Das Ausschwenken erfolgt nach einem Auslösebefehl durch einen Benutzer, wodurch die Schublade aus ihrer eingefahrenen Stellung aus dem Möbelfach heraus bewegt wird. Zur Betätigung beziehungsweise zum Verschwenken des Betätigungsorgans dient der elektrische Antrieb in Form des piezoelektrischen Antriebs.The movement device has adjusting means which can be coupled to the drawer. An electrical drive in the form of a piezoelectric drive is also provided. The movement device according to one exemplary embodiment comprises a device housing in which an actuating member in the form of an ejector or ejector is movably mounted. The actuator can be pivoted between a retracted and an extended position. The user swings out after a trigger command, which moves the drawer out of the retracted position from the furniture compartment. The electric drive in the form of the piezoelectric drive is used to actuate or pivot the actuating member.

Es ist hier ein piezoelektrischer Drehantrieb in Form eines Wanderwellenmotors mit umlaufender Biegewelle vorgesehen, der sich durch eine besonders flache Bauform auszeichnet. Alternativ wäre auch der zuvor beschriebene lineare Wanderwellenmotor einsetzbar.A piezoelectric rotary drive in the form of a traveling wave motor with a rotating flexible shaft is provided, which is characterized by a particularly flat design. Alternatively, the linear traveling wave motor described above could also be used.

Der Wellenmotor weist eine Flanschplatte auf, die am Vorrichtungsgehäuse befestigt ist. Die Flanschplatte trägt einen ringförmigen Schwingstator, auf dem sich wenigstens ein piezoelektrischer Aktor befindet. Die piezoelektrischen Aktoren sind ringförmig angeordnet, wodurch der scheibenförmige Stator zu Schwingungen derart angeregt wird, dass sich eine Wanderwelle in Form einer umlaufenden mechanischen Biegewelle ausbildet. Der scheibenförmige Stator wälzt sich auf einer polymeren Kontaktschicht ab, die sich auf einem Rotor befindet. Der Rotor wird durch eine Tellerfeder auf den Stator gepresst, wodurch bei umlaufender Wanderwelle eine Rotationsbewegung des Rotors erzeugt wird, die über eine Antriebswelle abgegriffen werden kann.The shaft motor has a flange plate that is attached to the device housing. The flange plate carries an annular vibration stator on which there is at least one piezoelectric actuator. The piezoelectric actuators are arranged in a ring, as a result of which the disk-shaped stator is excited to vibrate in such a way that a traveling wave is formed in the form of a rotating mechanical bending wave. The disk-shaped stator rolls on a polymer contact layer, which is located on a rotor. The rotor is pressed onto the stator by a plate spring, whereby a rotating movement of the rotor is generated when the traveling shaft rotates and can be tapped via a drive shaft.

Die Antriebswelle ist über Kopplungsmittel in Form eines Getriebes mit dem Betätigungsorgan verbunden. Das Getriebe besteht im Beispielsfall aus einem Riemengetriebeabschnitt, der mit einem Zahnradgetriebabschnitt gekoppelt ist, wobei Letzterer an eine Lagerwelle des Betätigungsorgans gekoppelt ist, wodurch sich eine Rotationsbewegung in eine Schwenkbewegung des Betätigungsorgans umsetzen lässt.The drive shaft is connected to the actuating member via coupling means in the form of a gear. In the example case, the transmission consists of a belt transmission section which is coupled to a gear transmission section, the latter being coupled to a bearing shaft of the actuating member, as a result of which a rotational movement can be converted into a pivoting movement of the actuating member.

Wie bereits zuvor erwähnt, ist die vorstehende beschriebene Bewegungsvorrichtung nicht auf das Ausführungsbeispiel Auswerfereinheit mit Auswerfer beschränkt. Die Bewegungsvorrichtung könnte auch Bestandteil einer Einzugsautomatik, einer Ausziehvorrichtung oder dergleichen sein.As already mentioned above, the movement device described above is not limited to the embodiment of the ejector unit with ejector. The movement device could also be part of an automatic feeder, a pull-out device or the like.

Claims (4)

  1. Guiding device for guiding a furniture drawer which is movable relative to a furniture carcass, the device comprising at least one guide unit (12) having a carcass rail (13) which can be fastened to the furniture carcass by means of fastening means and a pull-out rail (14) which is mounted movably relative thereto and can be fastened to the furniture drawer, and comprising an electric drive (15) by way of which the furniture drawer can be driven to move, wherein the electric drive (15) is integrated into the guide unit (12) and wherein the electric drive (15) has a stator (16) located at the carcass rail (13) and an output member (21) movable relative thereto and coupled to the pull-out rail (14) or forming the latter, wherein the electric drive (15) is designed as a piezoelectric linear drive (15), wherein the output member (21) is guided for linear movement along the stator (16), and comprising a piezoelectric actuator system (19) for driving the output member (21), wherein the piezoelectric actuator system (19) sits on or forms the stator (16), characterised in that the piezoelectric actuator system (19) is designed such that on excitation a flexural wave running in a circumferential direction of the stator (16) is generated.
  2. Guiding device according to claim 1, characterised in that the electric drive (15) is a part of a drive module which can be handled uniformly and accommodated in the guide unit (12) as a unit.
  3. Guiding device according to any of the preceding claims, characterised in that the electric drive (15) is coupled to a further drive by way of coupling means for driving the further drive.
  4. Piece of furniture with a furniture drawer which is movable relative to a furniture carcass and guided by way of a guiding device (11), characterised in that the guiding device (11) is designed according to any of the preceding claims.
EP12004721.2A 2011-07-15 2012-06-23 Slide assembly for guiding of extractable furniture parts and moving device for furniture parts Active EP2545808B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202011103561U DE202011103561U1 (en) 2011-07-15 2011-07-15 Guide device for guiding a relative to a furniture body movable furniture drawer and moving device for a relative to a furniture body movable furniture part

Publications (3)

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EP2545808A2 EP2545808A2 (en) 2013-01-16
EP2545808A3 EP2545808A3 (en) 2014-08-06
EP2545808B1 true EP2545808B1 (en) 2020-07-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP12004721.2A Active EP2545808B1 (en) 2011-07-15 2012-06-23 Slide assembly for guiding of extractable furniture parts and moving device for furniture parts

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DE (1) DE202011103561U1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202020100078U1 (en) * 2020-01-09 2021-04-12 Grass Gmbh Busbar

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT398513B (en) * 1989-05-30 1994-12-27 Blum Gmbh Julius DRAWER GUIDE SET
DE20308256U1 (en) * 2003-05-23 2004-05-19 Dewert Antriebs- Und Systemtechnik Gmbh & Co Kg Drive mechanism for moving a moveable item of furniture such as to open a door of cabinet, comprises drive whose maximum resistive force against manual movement can be preset, on failure of power supply
DE102007046172A1 (en) * 2007-09-26 2009-04-02 Dorma Gmbh + Co. Kg Furniture piece for use in drawer, comprises moving piece which is supported to move in fixed piece of furniture piece along predetermined movement path
AT506251B1 (en) * 2007-12-20 2012-12-15 Blum Gmbh Julius FURNITURE DRIVE
DE102008020285A1 (en) * 2008-04-22 2009-10-29 Dorma Gmbh + Co. Kg Linear drive for drawer, has linear motor consisting of rotor and stator, where stator of linear motor is formed along part of traverse path of drawer in extending manner
DE102009000018A1 (en) * 2009-01-05 2010-07-08 Robert Bosch Gmbh vibration drive

Non-Patent Citations (1)

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

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EP2545808A3 (en) 2014-08-06
EP2545808A2 (en) 2013-01-16
DE202011103561U1 (en) 2012-10-17

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