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EP3448204B1 - Ejection device for a moveable furniture part and piece of furniture - Google Patents

Ejection device for a moveable furniture part and piece of furniture Download PDF

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Publication number
EP3448204B1
EP3448204B1 EP17731067.9A EP17731067A EP3448204B1 EP 3448204 B1 EP3448204 B1 EP 3448204B1 EP 17731067 A EP17731067 A EP 17731067A EP 3448204 B1 EP3448204 B1 EP 3448204B1
Authority
EP
European Patent Office
Prior art keywords
ejection device
furniture part
movable
spring
guide
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
EP17731067.9A
Other languages
German (de)
French (fr)
Other versions
EP3448204A1 (en
Inventor
Stefan Klaus
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.)
Paul Hettich GmbH and Co KG
Original Assignee
Paul Hettich GmbH and Co KG
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.)
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Publication date
Application filed by Paul Hettich GmbH and Co KG filed Critical Paul Hettich GmbH and Co KG
Publication of EP3448204A1 publication Critical patent/EP3448204A1/en
Application granted granted Critical
Publication of EP3448204B1 publication Critical patent/EP3448204B1/en
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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40Sliding drawers; Slides or guides therefor
    • A47B88/453Actuated drawers
    • A47B88/46Actuated drawers operated by mechanically-stored energy, e.g. by springs
    • A47B88/463Actuated drawers operated by mechanically-stored energy, e.g. by springs self-opening
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B91/00Feet for furniture in general
    • A47B91/02Adjustable feet

Definitions

  • the present invention relates to an ejection device for a movable furniture part according to the preamble of claim 1.
  • the DE 20 2006 012 976 U1 discloses a lockable ejection device comprising a locking device which prevents ejection of the movable furniture part before the loading process of the energy accumulator has ended.
  • a locking device or backstop can be used, for example, with push-open fittings to prevent the drawer from being ejected during a closing movement when an energy storage device of an ejection device is not yet fully loaded.
  • a clamping element is wedged with a contact section of a locking device in order to prevent an opening movement.
  • the friction and clamping forces can be insufficient, particularly with heavier furniture parts, such as loaded drawers.
  • the DE 20 2010 009 796 U1 discloses an ejection device for a movable furniture part, which tensions an energy store during a closing movement.
  • a curved spring is provided, which is pressed against a toothing when it rests on a pawl. This is intended to block an opening movement.
  • the thin-walled spring can easily be damaged in the opening direction with larger loads.
  • the backstop comprises a locking lever which can be moved along a guide path and which can be brought into engagement with a toothed rack when the movable furniture part closes when the tensioning process is interrupted.
  • This locking lever is positively guided over the guideway and can absorb comparatively high holding forces if the closing or opening process is interrupted.
  • the ejection device preferably has a housing on which a carriage, which is biased by the at least one spring, is guided linearly with the drive element. A relative movement of the slide relative to the housing can then be used to eject the drive element.
  • the locking lever can have a control element which engages with a curve guide on the slide, so that when the slide moves relative to the housing, the locking lever is also moved.
  • the locking lever can be moved along a guide path on the housing via a guide element, so that both a rotational position and the position of the locking lever on the guide path are predetermined. It can thereby be achieved that the locking lever does not contact the rack during a closing movement or opening movement, as long as the clamping process is not interrupted. This enables noiseless tensioning of the at least one spring, and the locking lever only engages with the toothed rack when the tensioning process is interrupted.
  • the ejection device can preferably be combined with a self-retracting device as is known in the prior art.
  • the self-retracting devices can be designed separately from the ejection device or form a unit with the ejection device.
  • the spring of the ejection device is tensioned and after or during tensioning and locking of the spring, the self-closing device can move the drawer into the closed position and optionally also brake it.
  • the ejection device can preferably have different charging principles for the at least one spring. This means that the at least one spring of the ejection device can be loaded after the movable furniture part has been opened, for example when it is closed. Alternatively, the ejection device eject the movable furniture part into a first opening position, and then the user can manually move the movable furniture part further in the opening direction to a second opening position, for example in a drawer. This opening movement from the first to the second opening position can then be used to tension the at least one spring, so that the backstop can be effective in this case during an opening movement of the movable furniture part.
  • the guideway has a loop-shaped section.
  • a first section of the guideway for the tensioning process is arranged closer to the rack than a second section of the guideway for the opening movement.
  • the locking lever can be biased into the engagement position via a tension spring, so that when the tensioning process is interrupted, the tension spring ensures rapid engagement of the locking lever on the rack.
  • the locking lever preferably has an engagement element.
  • the engagement element is advantageously guided at a distance from the rack during the clamping process, so that latching or grinding noises can be avoided.
  • the engagement element can be guided essentially linearly and parallel to the toothed rack or the locking bar.
  • a latching or holding section is provided on the guide track for latching the movable furniture part in the closed position.
  • the locking lever movable along the guideway can thus take on the one hand the function of the backstop and also the function of locking the movable furniture part. For unlocking, the movable furniture part is then pushed in or pushed in and the locking lever is released from the latching or holding section.
  • the locking lever can be rotatably mounted around the guide element, the guide element being arranged between an engagement element for engagement on the toothed rack and a control element.
  • the invention is used in particular in a piece of furniture in which a drawer or a sliding door is moved from a closed position in the opening direction via the ejection device. But it is also possible to use the ejection device on doors, flaps or other movable furniture parts.
  • a self-retraction can preferably be provided on the furniture, which acts in addition to the ejection device on the movable furniture part before reaching the closed position, in order to hold the movable furniture part in the closed position and, if necessary, to brake a closing movement.
  • a piece of furniture 1 comprises a furniture body 2 into which a movable furniture part 3 in the form of a drawer can be inserted, a front panel 4 being arranged on an open side of the furniture body 2.
  • the drawer is movably supported by two pull-out guides 5, which are arranged on opposite side walls of the furniture body 2.
  • Each pull-out guide 5 is arranged in a side frame 8 of the drawer and fixed via a bracket 9 and supports the drawer via a movable running rail.
  • angular drivers 7 are fixed to the furniture body 2 and cooperate with an ejection device 6 for the movable furniture part 3.
  • Unlocking can take place via the ejection device 6 when the front panel 4 is pressed in in the closing direction towards the furniture body 2, in order then to eject the drawer in the opening direction by the force of at least one spring.
  • the at least one spring of the ejection device 6 is tensioned again.
  • the ejection devices 6 are mounted on an underside of the bottom of the drawer and interact with the angular drivers 7. It is also possible to let the ejection devices 6 interact with other movable furniture parts, such as sliding doors, flaps or doors, or the ejection device 6 on the furniture body 2 or a fixed one To fix part of the pull-out guide and to eject via a driver arranged on the movable furniture part or on a movable part of the pull-out guide.
  • the ejection device 6 which has a housing 10 which can be fixed on the movable furniture part 3 and on which a slide 11 is held in a linearly movable manner.
  • the carriage 11 is prestressed on the housing 10 via a spring 12, a first end 13 being fixed to the carriage 11 for this purpose and an opposite end 14 on the housing 10.
  • a projection 35 is provided as a drive element which engages the angular driver 7 is supported in order to eject the movable furniture part 3 by a relative movement of the slide 11 on the housing 10.
  • Various alternatives are known in the prior art for transmitting the forces from the slide 11 to the movable furniture part 3 or vice versa, which alternatives can be used here.
  • the spring 12 is designed as a tension spring, which is fixed with the second end 14 to a holder 15 of the housing 10. It is also possible to use a compression spring instead of a tension spring, with the second end 14 in Figure 3 should be attached to a holder on the opposite left.
  • a rack 16 or a locking bar is also formed, on which a locking lever 17 can be brought into engagement as a backstop.
  • a rack 16 has teeth for locking the locking lever 17 and locking bar, which can replace the rack 16, has other locking elements, such as openings or recesses.
  • the locking lever 17 has an engagement element 18 in the form of a hook or tooth, which can be inserted into the tooth contour of the toothed rack 16.
  • the locking lever 17 is movably supported by a guide element 19 in a guide track 33 which is formed on the housing 10.
  • the guide element 19 also forms an axis of rotation for the locking lever 17, which is guided with a control element 23 in a curve guide 24 on the slide 11.
  • the control element 23 is positioned on the opposite side to the engagement element 18.
  • FIG 3 the ejection device 6 is shown in an open position in which the spring 12 is at least partially relaxed and the locking lever 17 has reached the guide track 33 in an end position. If the ejection device 6 is to be tensioned again, the slide 11 is displaced via the engagement on the angular driver 7 and the projection 35, as a result of which the guide element 19, which can be designed as a pin, for example, is moved along the end section 32 of the guide track 33 until the guide element 19 strikes a run-on bevel 25 which displaces the locking lever 17 in the direction of the rack 16. As a result, the engaging element 18 comes into a position immediately adjacent to the rack 16.
  • a tension spring 20 pulls the locking lever 17 into an engagement position and thus fixes the locking lever 17 on the rack 16.
  • the tension spring 20 is held at one end on a holder 21 on the housing 10 and at the opposite end on one Fastening point 22 fixed to the locking lever 17.
  • the attachment point 22 is located between the guide element 19 and the engagement element 18.
  • the slide 11 presses on the cam guide 24 on the locking lever 17, and this is unlocked from the rack 16.
  • the guide element 19 is moved further along the first section 34 of the guide track 33, which is adjacent to the toothed rack 16, until the guide element 19 strikes a run-on slope 26 and is moved away from the toothed rack 16 to a latching or holding section 27.
  • a slider 28 with a latching receptacle 29 is located adjacent to the latching or holding section 27, the slider 28 being biased into the latching position by a spring 30.
  • the locking lever 17 with the guide element 19 can be locked on the latching or holding section 27 with a tensioned spring 12, so that the movable furniture part 3 is held in the closed position.
  • the spring 12 can be locked with the spring tensioned before reaching the closed position on the latching or holding section 27.
  • the closed position can then be held, for example, by the self-retracting device or another element. In principle, the closed position does not have to be predetermined by the latching or holding section 27 for the spring 12.
  • the movable furniture part In order to eject the movable furniture part in the opening direction, the movable furniture part is pushed in or pushed in, thereby lifting the slide 28 against the force of the spring 30 from the latching or holding section 27, so that the locking lever 17 and the guide element 19 are released so that the guide element 19 can be moved along a second section 31 along the guideway 33 which is located further away from the toothed rack 16 than the first section 34.
  • the locking element 17 can now be moved along the guideway 33 to the end section 32 to an end position.
  • the position of the locking lever 17 during an opening movement is in Figure 4 shown.
  • the locking lever 17 is located at a distance from the toothed rack 16 and is positively guided on the slide 11 by the guide element 19 and the cam guide 24.
  • the movable furniture part can be moved further in the opening direction independently of the ejection device 6 before the next closing and tensioning process can begin.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawers Of Furniture (AREA)

Description

Die vorliegende Erfindung betrifft eine Ausstoßvorrichtung für ein bewegbares Möbelteil nach dem Oberbegriff des Anspruches 1.The present invention relates to an ejection device for a movable furniture part according to the preamble of claim 1.

Die DE 20 2006 012 976 U1 offenbart eine verriegelbare Ausstoßvorrichtung, die eine Feststellvorrichtung umfasst, die ein Ausstoßen des bewegbaren Möbelteils vor Beendigung des Ladevorgangs des Kraftspeichers verhindert. Eine solche Feststellvorrichtung oder Rücklaufsperre kann beispielsweise bei Pushto-open-Beschlägen eingesetzt werden, um bei einer Schließbewegung ein Auswerfen des Schubkastens zu verhindern, wenn ein Kraftspeicher einer Ausstoßvorrichtung noch nicht vollständig geladen ist. Für eine Festsetzung wird ein Klemmelement mit einem Anlageabschnitt einer Feststellvorrichtung verkeilt, um eine Öffnungsbewegung zu verhindern. Die Reib- und Klemmkräfte können allerdings gerade bei schwereren Möbelteilen, wie beladenen Schubkästen, unzureichend sein.The DE 20 2006 012 976 U1 discloses a lockable ejection device comprising a locking device which prevents ejection of the movable furniture part before the loading process of the energy accumulator has ended. Such a locking device or backstop can be used, for example, with push-open fittings to prevent the drawer from being ejected during a closing movement when an energy storage device of an ejection device is not yet fully loaded. For fixing, a clamping element is wedged with a contact section of a locking device in order to prevent an opening movement. However, the friction and clamping forces can be insufficient, particularly with heavier furniture parts, such as loaded drawers.

Die DE 20 2010 009 796 U1 offenbart eine Auswurfeinrichtung für ein bewegbares Möbelteil, die bei einer Schließbewegung einen Kraftspeicher spannt. Um bei einem solchen Spannvorgang ein Auswerfen zu vermeiden, ist eine gebogene Feder vorgesehen, die bei Anlage an einer Sperrklinke gegen eine Verzahnung gedrückt wird. Dadurch soll eine Öffnungsbewegung blockiert werden. Die dünnwandige Feder kann allerdings bei größeren Lasten in Öffnungsrichtung leicht beschädigt werden.The DE 20 2010 009 796 U1 discloses an ejection device for a movable furniture part, which tensions an energy store during a closing movement. In order to avoid ejection during such a tensioning process, a curved spring is provided, which is pressed against a toothing when it rests on a pawl. This is intended to block an opening movement. However, the thin-walled spring can easily be damaged in the opening direction with larger loads.

Es ist daher Aufgabe der vorliegenden Erfindung, eine Ausstoßvorrichtung für ein bewegbares Möbelteil zu schaffen, die mit einfachen Mitteln eine stabil ausgebildete Rücklaufsperre bereitstellt.It is therefore an object of the present invention to provide an ejection device for a movable furniture part, which provides a stable backstop with simple means.

Diese Aufgabe wird mit einer Ausstoßvorrichtung mit den Merkmalen des Anspruches 1 gelöst.This object is achieved with an ejection device with the features of claim 1.

Erfindungsgemäß umfasst die Rücklaufsperre einen entlang einer Führungsbahn bewegbaren Sperrhebel, der bei einer Schließbewegung des bewegbaren Möbelteils beim Unterbrechen des Spannvorganges in Eingriff mit einer Zahnstange bringbar ist. Dieser Sperrhebel ist über die Führungsbahn zwangsgeführt und kann vergleichsweise hohe Haltekräfte aufnehmen, wenn der Schließ- oder Öffnungsvorgang unterbrochen wird.According to the invention, the backstop comprises a locking lever which can be moved along a guide path and which can be brought into engagement with a toothed rack when the movable furniture part closes when the tensioning process is interrupted. This locking lever is positively guided over the guideway and can absorb comparatively high holding forces if the closing or opening process is interrupted.

Vorzugsweise weist die Ausstoßvorrichtung ein Gehäuse auf, an dem ein durch die mindestens eine Feder vorgespannter Schlitten mit dem Antriebselement linear geführt ist. Durch eine Relativbewegung des Schlittens zu dem Gehäuse kann dann ein Auswerfen über das Antriebselement bewirkt werden. Der Sperrhebel kann dabei ein Steuerelement aufweisen, das in Eingriff mit einer Kurvenführung an dem Schlitten steht, so dass bei einer Relativbewegung des Schlittens zu dem Gehäuse auch der Sperrhebel bewegt wird.The ejection device preferably has a housing on which a carriage, which is biased by the at least one spring, is guided linearly with the drive element. A relative movement of the slide relative to the housing can then be used to eject the drive element. The locking lever can have a control element which engages with a curve guide on the slide, so that when the slide moves relative to the housing, the locking lever is also moved.

Der Sperrhebel ist erfindungsgemäß über ein Führungselement entlang einer Führungsbahn an dem Gehäuse bewegbar, so dass sowohl eine Drehposition als auch die Position des Sperrhebels an der Führungsbahn vorgegeben ist. Dadurch kann erreicht werden, dass der Sperrhebel bei einer Schließbewegung oder Öffnungsbewegung die Zahnstange nicht kontaktiert, solange der Spannvorgang nicht unterbrochen wird. Dadurch wird ein geräuschloses Spannen der mindestens einen Feder ermöglicht, und der Sperrhebel gelangt nur dann in Eingriff mit der Zahnstange, wenn eine Unterbrechung des Spannvorganges erfolgt.According to the invention, the locking lever can be moved along a guide path on the housing via a guide element, so that both a rotational position and the position of the locking lever on the guide path are predetermined. It can thereby be achieved that the locking lever does not contact the rack during a closing movement or opening movement, as long as the clamping process is not interrupted. This enables noiseless tensioning of the at least one spring, and the locking lever only engages with the toothed rack when the tensioning process is interrupted.

Vorzugsweise kann die Ausstoßvorrichtung mit einer Selbsteinzugsvorrichtung kombiniert werden, wie sie im Stand der Technik bekannt sind. Die Selbsteinzugsvorrichtungen können separat zur Ausstoßvorrichtung ausgeführt sein oder eine Einheit mit der Ausstoßvorrichtung bilden. Beim Schließen oder Öffnen des Schubkastens wird die Feder der Ausstoßvorrichtung gespannt und nach bzw. während dem Spannen und Verriegeln der Feder kann die Selbsteinzugsvorrichtung den Schubkasten in die Schließposition bewegen und dabei optional auch abbremsen.The ejection device can preferably be combined with a self-retracting device as is known in the prior art. The self-retracting devices can be designed separately from the ejection device or form a unit with the ejection device. When the drawer is closed or opened, the spring of the ejection device is tensioned and after or during tensioning and locking of the spring, the self-closing device can move the drawer into the closed position and optionally also brake it.

Vorzugsweise kann die Ausstoßvorrichtung verschiedene Ladeprinzipien für die mindestens eine Feder aufweisen. Das bedeutet, dass die mindestens eine Feder der Ausstoßvorrichtung nach dem Öffnen des bewegbaren Möbelteils beispielsweise beim Schließen geladen werden kann. Alternativ kann die Ausstoßvorrichtung das bewegbare Möbelteil in eine erste Öffnungsposition auswerfen, und dann kann der Benutzer das bewegbare Möbelteil manuell weiter in Öffnungsrichtung zu einer zweiten Öffnungsposition bewegen, beispielsweise bei einem Schubkasten. Dann kann diese Öffnungsbewegung von der ersten zur zweiten Öffnungsposition zum Spannen der mindestens einen Feder verwendet werden, so dass die Rücklaufsperre in diesem Fall während einer Öffnungsbewegung des bewegbaren Möbelteils wirksam werden kann.The ejection device can preferably have different charging principles for the at least one spring. This means that the at least one spring of the ejection device can be loaded after the movable furniture part has been opened, for example when it is closed. Alternatively, the ejection device eject the movable furniture part into a first opening position, and then the user can manually move the movable furniture part further in the opening direction to a second opening position, for example in a drawer. This opening movement from the first to the second opening position can then be used to tension the at least one spring, so that the backstop can be effective in this case during an opening movement of the movable furniture part.

Die Führungsbahn weist erfindungsgemäß einen schlaufenförmigen Abschnitt auf. Dabei ist ein erster Abschnitt der Führungsbahn für den Spannvorgang näher an der Zahnstange angeordnet als ein zweiter Abschnitt der Führungsbahn für die Öffnungsbewegung. Der Sperrhebel kann dabei über eine Spannfeder in die Eingriffsposition vorgespannt sein, so dass bei Unterbrechen des Spannvorganges die Spannfeder für einen schnellen Eingriff des Sperrhebels an der Zahnstange sorgt.According to the invention, the guideway has a loop-shaped section. A first section of the guideway for the tensioning process is arranged closer to the rack than a second section of the guideway for the opening movement. The locking lever can be biased into the engagement position via a tension spring, so that when the tensioning process is interrupted, the tension spring ensures rapid engagement of the locking lever on the rack.

Der Sperrhebel weist vorzugsweise ein Eingriffselement auf. Das Eingriffselement ist vorteilhaft während des Spannvorgangs beabstandet zu der Zahnstange geführt, so dass Rast- oder Schleifgeräusche vermieden werden können. Das Eingriffselement kann hierfür im Wesentlichen linear und parallel zu der Zahnstange oder der Verrieglungsleiste geführt sein.The locking lever preferably has an engagement element. The engagement element is advantageously guided at a distance from the rack during the clamping process, so that latching or grinding noises can be avoided. For this purpose, the engagement element can be guided essentially linearly and parallel to the toothed rack or the locking bar.

An der Führungsbahn ist in einer weiteren Ausgestaltung ein Rast- oder Halteabschnitt zur Verrastung des bewegbaren Möbelteils in der Schließposition vorgesehen. Der entlang der Führungsbahn bewegbare Sperrhebel kann somit einerseits die Funktion der Rücklaufsperre und zusätzlich auch die Funktion einer Verrastung des beweglichen Möbelteils übernehmen. Für eine Entriegelung wird dann das bewegbare Möbelteil eingedrückt oder eingeschoben und der Sperrhebel aus dem Rast- oder Halteabschnitt freigegeben.In a further embodiment, a latching or holding section is provided on the guide track for latching the movable furniture part in the closed position. The locking lever movable along the guideway can thus take on the one hand the function of the backstop and also the function of locking the movable furniture part. For unlocking, the movable furniture part is then pushed in or pushed in and the locking lever is released from the latching or holding section.

Für einen kompakten Aufbau kann der Sperrhebel um das Führungselement drehbar gelagert sein, wobei das Führungselement zwischen einem Eingriffselement für den Eingriff an der Zahnstange und einem Steuerelement angeordnet ist.For a compact construction, the locking lever can be rotatably mounted around the guide element, the guide element being arranged between an engagement element for engagement on the toothed rack and a control element.

Die Erfindung wird insbesondere bei einem Möbel eingesetzt, bei dem über die Ausstoßvorrichtung ein Schubkasten oder eine Schiebetür aus einer Schließposition in Öffnungsrichtung bewegt wird. Es ist aber auch möglich, die Ausstoßvorrichtung bei Türen, Klappen oder anderen bewegbaren Möbelteilen einzusetzen. An dem Möbel kann vorzugsweise ein Selbsteinzug vorgesehen sein, der zusätzlich zu der Ausstoßvorrichtung auf das bewegbare Möbelteil vor Erreichen der Schließposition wirkt, um das bewegbare Möbelteil in der Schließposition zu halten und ggfs. eine Schließbewegung abzubremsen.The invention is used in particular in a piece of furniture in which a drawer or a sliding door is moved from a closed position in the opening direction via the ejection device. But it is also possible to use the ejection device on doors, flaps or other movable furniture parts. A self-retraction can preferably be provided on the furniture, which acts in addition to the ejection device on the movable furniture part before reaching the closed position, in order to hold the movable furniture part in the closed position and, if necessary, to brake a closing movement.

Die Erfindung wird nachfolgend anhand eines Ausführungsbeispiels mit Bezug auf die beigefügten Zeichnungen näher erläutert. Es zeigen:

Figur 1
eine perspektivische Explosionsdarstellung eines bewegbaren Möbelteils mit einer Ausstoßvorrichtung;
Figur 2
eine perspektivische Darstellung des bewegbaren Möbelteils der Figur 1 in der montierten Position;
Figur 3
eine Detailansicht der Ausstoßvorrichtung der Figur 1, und
Figur 4
eine Detailansicht der Ausstoßvorrichtung der Figur 3 in einer Öffnungsbewegung.
The invention is explained in more detail below using an exemplary embodiment with reference to the accompanying drawings. Show it:
Figure 1
an exploded perspective view of a movable furniture part with an ejection device;
Figure 2
a perspective view of the movable furniture part of Figure 1 in the assembled position;
Figure 3
a detailed view of the ejection device of the Figure 1 , and
Figure 4
a detailed view of the ejection device of the Figure 3 in an opening motion.

Ein Möbel 1 umfasst einen Möbelkorpus 2, in den ein bewegbares Möbelteil 3 in Form eines Schubkastens einfügbar ist, wobei eine Frontblende 4 an einer offenen Seite des Möbelkorpus 2 angeordnet ist. Der Schubkasten ist über zwei Auszugsführungen 5 verfahrbar gelagert, die an gegenüberliegenden Seitenwänden des Möbelkorpus 2 angeordnet sind. Jede Auszugsführung 5 ist in einer Seitenzarge 8 des Schubkastens angeordnet und über einen Haltewinkel 9 festgelegt und stützt über eine bewegbare Laufschiene den Schubkasten ab. Ferner sind an dem Möbelkorpus 2 winkelförmige Mitnehmer 7 fixiert, die mit einer Ausstoßvorrichtung 6 für das bewegbare Möbelteil 3 zusammenwirken. Über die Ausstoßvorrichtung 6 kann bei einem Eindrücken der Frontblende 4 in Schließrichtung zu dem Möbelkorpus 2 hin eine Entriegelung stattfinden, um den Schubkasten dann in Öffnungsrichtung durch die Kraft mindestens einer Feder auszuwerfen. Wenn der Schubkasten in Schließrichtung bewegt wird, wird die mindestens eine Feder der Ausstoßvorrichtung 6 wieder gespannt.A piece of furniture 1 comprises a furniture body 2 into which a movable furniture part 3 in the form of a drawer can be inserted, a front panel 4 being arranged on an open side of the furniture body 2. The drawer is movably supported by two pull-out guides 5, which are arranged on opposite side walls of the furniture body 2. Each pull-out guide 5 is arranged in a side frame 8 of the drawer and fixed via a bracket 9 and supports the drawer via a movable running rail. Furthermore, angular drivers 7 are fixed to the furniture body 2 and cooperate with an ejection device 6 for the movable furniture part 3. Unlocking can take place via the ejection device 6 when the front panel 4 is pressed in in the closing direction towards the furniture body 2, in order then to eject the drawer in the opening direction by the force of at least one spring. When the drawer is moved in the closing direction, the at least one spring of the ejection device 6 is tensioned again.

In Figur 2 sind die Ausstoßvorrichtungen 6 an einer Unterseite des Bodens des Schubkastens montiert und wirken mit den winkelförmigen Mitnehmern 7 zusammen. Es ist auch möglich, die Ausstoßvorrichtungen 6 mit anderen bewegbaren Möbelteilen, wie Schiebetüren, Klappen oder Türen, zusammenwirken zu lassen oder die Ausstoßvorrichtung 6 an dem Möbelkorpus 2 oder einem feststehendem Teil der Auszugsführung zu fixieren und das Ausstoßen über einen am bewegbaren Möbelteil oder an einem bewegbaren Teil der Auszugsführung angeordneten Mitnehmer zu bewirken.In Figure 2 the ejection devices 6 are mounted on an underside of the bottom of the drawer and interact with the angular drivers 7. It is also possible to let the ejection devices 6 interact with other movable furniture parts, such as sliding doors, flaps or doors, or the ejection device 6 on the furniture body 2 or a fixed one To fix part of the pull-out guide and to eject via a driver arranged on the movable furniture part or on a movable part of the pull-out guide.

In Figur 3 ist die Ausstoßvorrichtung 6 dargestellt, die ein am bewegbaren Möbelteil 3 festlegbares Gehäuse 10 aufweist, an dem ein Schlitten 11 linear verfahrbar gehalten ist. Der Schlitten 11 ist über eine Feder 12 an dem Gehäuse 10 vorgespannt, wobei hierfür ein erstes Ende 13 an dem Schlitten 11 festgelegt ist und ein gegenüberliegendes Ende 14 an dem Gehäuse 10. An dem Schlitten 11 ist ein Vorsprung 35 als Antriebselement vorgesehen, der an dem winkelförmigen Mitnehmer 7 abgestützt ist, um das bewegbare Möbelteil 3 durch eine Relativbewegung des Schlittens 11 an dem Gehäuse 10 auszuwerfen. Zur Übertragung der Kräfte von dem Schlitten 11 auf das bewegbare Möbelteil 3 bzw. umgekehrt sind verschiedenste Alternativen im Stand der Technik bekannt, die hier zum Einsatz kommen können. Die Feder 12 ist als Zugfeder ausgebildet, die mit dem zweiten Ende 14 an einem Halter 15 des Gehäuses 10 festgelegt ist. Es ist auch möglich, statt einer Zugfeder eine Druckfeder einzusetzen, wobei dann das zweite Ende 14 in Figur 3 auf der gegenüberliegenden linken Seite an einem Halter festgelegt sein müsste.In Figure 3 the ejection device 6 is shown, which has a housing 10 which can be fixed on the movable furniture part 3 and on which a slide 11 is held in a linearly movable manner. The carriage 11 is prestressed on the housing 10 via a spring 12, a first end 13 being fixed to the carriage 11 for this purpose and an opposite end 14 on the housing 10. On the carriage 11, a projection 35 is provided as a drive element which engages the angular driver 7 is supported in order to eject the movable furniture part 3 by a relative movement of the slide 11 on the housing 10. Various alternatives are known in the prior art for transmitting the forces from the slide 11 to the movable furniture part 3 or vice versa, which alternatives can be used here. The spring 12 is designed as a tension spring, which is fixed with the second end 14 to a holder 15 of the housing 10. It is also possible to use a compression spring instead of a tension spring, with the second end 14 in Figure 3 should be attached to a holder on the opposite left.

An dem Gehäuse 10 ist ferner eine Zahnstange 16 oder eine Verriegelungsleiste ausgebildet, an der ein Sperrhebel 17 als Rücklaufsperre in Eingriff bringbar ist. Eine Zahnstange 16 besitzt Zähne zur Verriegelung des Sperrhebels 17 und Verriegelungsleiste, die die Zahnstange 16 ersetzen kann, besitzt andere Verriegelungselemente, beispielsweise Öffnungen oder Aussparungen. Der Sperrhebel 17 weist ein Eingriffselement 18 in Form eines Hakens oder Zahnes auf, der in die Zahnkontur der Zahnstange 16 einfügbar ist. Der Sperrhebel 17 ist dabei über ein Führungselement 19 in einer Führungsbahn 33 verfahrbar gelagert, die an dem Gehäuse 10 ausgebildet ist. Das Führungselement 19 bildet auch eine Drehachse für den Sperrhebel 17 aus, der mit einem Steuerelement 23 in einer Kurvenführung 24 an dem Schlitten 11 geführt ist. Das Steuerelement 23 ist dabei auf der gegenüberliegenden Seite zu dem Eingriffselement 18 positioniert.On the housing 10, a rack 16 or a locking bar is also formed, on which a locking lever 17 can be brought into engagement as a backstop. A rack 16 has teeth for locking the locking lever 17 and locking bar, which can replace the rack 16, has other locking elements, such as openings or recesses. The locking lever 17 has an engagement element 18 in the form of a hook or tooth, which can be inserted into the tooth contour of the toothed rack 16. The locking lever 17 is movably supported by a guide element 19 in a guide track 33 which is formed on the housing 10. The guide element 19 also forms an axis of rotation for the locking lever 17, which is guided with a control element 23 in a curve guide 24 on the slide 11. The control element 23 is positioned on the opposite side to the engagement element 18.

In Figur 3 ist die Ausstoßvorrichtung 6 in einer Öffnungsposition gezeigt, in der die Feder 12 zumindest teilweise entspannt ist und der Sperrhebel 17 in einer Endposition an der Führungsbahn 33 angelangt ist. Soll die Ausstoßvorrichtung 6 wieder gespannt werden, wird der Schlitten 11 über den Eingriff an dem winkelförmigen Mitnehmer 7 und den Vorsprung 35 verschoben, wodurch das Führungselement 19, das beispielsweise als Zapfen ausgebildet sein kann, entlang dem Endabschnitt 32 der Führungsbahn 33 verfahren wird, bis das Führungselement 19 auf eine Anlaufschräge 25 auftrifft, die den Sperrhebel 17 in Richtung der Zahnstange 16 verschiebt. Dadurch gelangt das Eingriffselement 18 in eine Position unmittelbar benachbart zu der Zahnstange 16.In Figure 3 the ejection device 6 is shown in an open position in which the spring 12 is at least partially relaxed and the locking lever 17 has reached the guide track 33 in an end position. If the ejection device 6 is to be tensioned again, the slide 11 is displaced via the engagement on the angular driver 7 and the projection 35, as a result of which the guide element 19, which can be designed as a pin, for example, is moved along the end section 32 of the guide track 33 until the guide element 19 strikes a run-on bevel 25 which displaces the locking lever 17 in the direction of the rack 16. As a result, the engaging element 18 comes into a position immediately adjacent to the rack 16.

Wird nun der Spannvorgang unterbrochen, zieht eine Spannfeder 20 den Sperrhebel 17 in eine Eingriffsposition und fixiert den Sperrhebel 17 somit an der Zahnstange 16. Die Spannfeder 20 ist an einem Ende an einem Halter 21 an dem Gehäuse 10 gehalten und an dem gegenüberliegenden Ende an einer Befestigungsstelle 22 an dem Sperrhebel 17 fixiert. Die Befestigungsstelle 22 befindet sich dabei zwischen dem Führungselement 19 und dem Eingriffselement 18. Durch die Fixierung des Sperrhebels 17 an der Zahnstange 16 kann nun der Schlitten 11 nicht mehr durch die Kraft der Feder 12 in dem Gehäuse 10 verfahren werden, so dass eine Auswerfbewegung unterbrochen ist.If the tensioning process is now interrupted, a tension spring 20 pulls the locking lever 17 into an engagement position and thus fixes the locking lever 17 on the rack 16. The tension spring 20 is held at one end on a holder 21 on the housing 10 and at the opposite end on one Fastening point 22 fixed to the locking lever 17. The attachment point 22 is located between the guide element 19 and the engagement element 18. By fixing the locking lever 17 to the rack 16, the carriage 11 can no longer be moved by the force of the spring 12 in the housing 10, so that an ejection movement is interrupted is.

Wird nun das bewegbare Möbelteil 3 weiter in Schließrichtung bewegt, drückt der Schlitten 11 über die Kurvenführung 24 auf den Sperrhebel 17, und dieser wird aus der Zahnstange 16 entriegelt. Das Führungselement 19 wird weiter entlang dem ersten Abschnitt 34 der Führungsbahn 33 bewegt, der sich benachbart zu der Zahnstange 16 befindet, bis das Führungselement 19 auf eine Anlaufschräge 26 auftrifft und weg von der Zahnstange 16 zu einem Rast- oder Halteabschnitt 27 bewegt wird. An dem Rast- oder Halteabschnitt 27 befindet sich benachbart ein Schieber 28 mit einer Rastaufnahme 29, wobei der Schieber 28 durch eine Feder 30 in die Rastposition vorgespannt ist. Der Sperrhebel 17 mit dem Führungselement 19 kann an dem Rast- oder Halteabschnitt 27 mit gespannter Feder 12 verrastet werden, so dass das bewegbare Möbelteil 3 in der Schließposition gehalten ist. Wenn die Ausstoßvorrichtung mit einer Selbsteinzugsvorrichtung kombiniert wird, kann die Feder 12 bereits vor Erreichen der Schließposition an dem Rast- oder Halteabschnitt 27 mit gespannter Feder verrastet werden. Die Schließposition kann dann z.B. von der Selbsteinzugsvorrichtung oder einem anderen Element gehalten werden. Grundsätzlich muss die Schließposition nicht von dem Rast- oder Halteabschnitt 27 für die Feder 12 vorgegeben sein. Um das bewegbare Möbelteil in Öffnungsrichtung auszuwerfen, wird das bewegbare Möbelteil eingedrückt oder eingeschoben und dadurch der Schieber 28 gegen die Kraft der Feder 30 von dem Rast- oder Halteabschnitt 27 abgehoben, so dass der Sperrhebel 17 und das Führungselement 19 freigegeben werden, damit das Führungselement 19 entlang einem zweiten Abschnitt 31 entlang der Führungsbahn 33 bewegt werden kann, der sich weiter von der Zahnstange 16 entfernt befindet als der erste Abschnitt 34. Das Sperrelement 17 kann nun entlang der Führungsbahn 33 zu dem Endabschnitt 32 bis zu einer Endposition bewegt werden.If the movable furniture part 3 is now moved further in the closing direction, the slide 11 presses on the cam guide 24 on the locking lever 17, and this is unlocked from the rack 16. The guide element 19 is moved further along the first section 34 of the guide track 33, which is adjacent to the toothed rack 16, until the guide element 19 strikes a run-on slope 26 and is moved away from the toothed rack 16 to a latching or holding section 27. A slider 28 with a latching receptacle 29 is located adjacent to the latching or holding section 27, the slider 28 being biased into the latching position by a spring 30. The locking lever 17 with the guide element 19 can be locked on the latching or holding section 27 with a tensioned spring 12, so that the movable furniture part 3 is held in the closed position. If the ejection device is combined with a self-retracting device, the spring 12 can be locked with the spring tensioned before reaching the closed position on the latching or holding section 27. The closed position can then be held, for example, by the self-retracting device or another element. In principle, the closed position does not have to be predetermined by the latching or holding section 27 for the spring 12. In order to eject the movable furniture part in the opening direction, the movable furniture part is pushed in or pushed in, thereby lifting the slide 28 against the force of the spring 30 from the latching or holding section 27, so that the locking lever 17 and the guide element 19 are released so that the guide element 19 can be moved along a second section 31 along the guideway 33 which is located further away from the toothed rack 16 than the first section 34. The locking element 17 can now be moved along the guideway 33 to the end section 32 to an end position.

Die Position des Sperrhebels 17 bei einer Öffnungsbewegung ist in Figur 4 gezeigt. Der Sperrhebel 17 befindet sich beabstandet von der Zahnstange 16 und ist durch das Führungselement 19 sowie die Kurvenführung 24 an dem Schlitten 11 zwangsgeführt. Sobald der Sperrhebel 17 eine Endposition eingenommen hat, kann das bewegbare Möbelteil unabhängig von der Ausstoßvorrichtung 6 weiter in Öffnungsrichtung bewegt werden, bevor der nächste Schließ- und Spannvorgang beginnen kann.The position of the locking lever 17 during an opening movement is in Figure 4 shown. The locking lever 17 is located at a distance from the toothed rack 16 and is positively guided on the slide 11 by the guide element 19 and the cam guide 24. As soon as the locking lever 17 has reached an end position, the movable furniture part can be moved further in the opening direction independently of the ejection device 6 before the next closing and tensioning process can begin.

BezugszeichenlisteReference list

11
MöbelFurniture
22nd
MöbelkorpusFurniture body
33rd
MöbelteilFurniture part
44th
FrontblendeFront panel
55
AuszugsführungDrawer run
66
AusstoßvorrichtungEjection device
77
MitnehmerCarrier
88th
SeitenzargeSide frame
99
HaltewinkelBracket
1010th
Gehäusecasing
1111
Schlittencarriage
1212th
Federfeather
1313
EndeThe End
1414
EndeThe End
1515
Halterholder
1616
ZahnstangeRack
1717th
SperrhebelLocking lever
1818th
EingriffselementEngaging element
1919th
FührungselementGuide element
2020th
SpannfederTension spring
2121
Halterholder
2222
BefestigungsstelleAttachment point
2323
SteuerelementControl
2424th
KurvenführungCornering
2525th
AnlaufschrägeRamp
2626
AnlaufschrägeRamp
2727
HalteabschnittHolding section
2828
SchieberSlider
2929
RastaufnahmeRest
3030th
Federfeather
3131
Abschnittsection
3232
EndabschnittEnd section
3333
FührungsbahnGuideway
3434
Abschnittsection
3535
Vorsprunghead Start

Claims (12)

  1. An ejection device (6) for a movable furniture part (3), comprising a drive element (35) pre-tensioned by at least one spring (12), by means of which the movable furniture part (3) is movable from a closed position into an open position, wherein the at least one spring (12) is movable into a tensioned position during a closing or opening movement of the furniture part (3) along a path and the furniture part (3) can be blocked in the closed position by at least one tensioned spring (12), wherein a return stop is provided, which delimits an opening or closing movement of the movable furniture part (3) if the tensioning of the spring (12) is not yet completed during a closing or opening movement of the furniture part (3), whereby the return stop has a blocking lever (17) movable along a guide path (33), which can be engaged with a toothed rack (16) or a locking bracket during a closing or opening movement of the movable furniture part if the tensioning procedure is interrupted, whereby the blocking lever (17) is movable via a guide element (19) along the guide path (33) formed on the housing (10), characterized in that the guide path (33) has a looped section and a first section (34) of the guide path (33) for the tensioning procedure is arranged closer to the toothed rack (16) than a second section (31) of the guide path (33) for the opening movement.
  2. The ejection device according to Claim 1, characterized in that the ejection device (6) has a housing (10), on which a carriage (11), which is pre-tensioned by the at least one spring (12), is linearly guided with the drive element (35).
  3. The ejection device according to Claim 1 or 2, characterized in that the blocking lever (17) has a control element (23), which is engaged with a curve guide (24) on the carriage (11).
  4. The ejection device according to any one of the preceding claims, characterized in that the blocking lever (17) is pre-tensioned via a tensioning spring (20) in the engaged position.
  5. The ejection device according to any one of the preceding claims, characterized in that a catch or retention section (27) for blocking the spring (12) in the tensioned position is provided on the guide path (33).
  6. The ejection device according to any one of the preceding claims, characterized in that the blocking lever (17) is supported so it is rotatable about the guide element (19) and the guide element (19) is arranged between an engagement element (18) for the engagement on the toothed rack (16) or the locking bracket and a control element (23).
  7. The ejection device according to any one of the preceding claims, characterized in that the blocking lever (17) has an engagement element (18).
  8. The ejection device according to Claim 7, characterized in that the engagement element (18) is guided spaced apart from the toothed rack (16) during the tensioning procedure.
  9. The ejection device according to Claim 8, characterized in that the engagement element (18) is moved substantially linearly during the tensioning procedure.
  10. A piece of furniture comprising a movable furniture part (3) in the form of a drawer or a sliding door, characterized in that the movable furniture part is movable using an ejection device according to any one of the preceding claims.
  11. A piece of furniture comprising a movable furniture part as a door or flap, characterized in that the movable furniture part is movable using an ejection device according to any one of the preceding claims.
  12. The piece of furniture according to Claim 10 or 11, characterized in that the ejection device is combined with a separate or integrated self-retraction device.
EP17731067.9A 2016-04-28 2017-04-25 Ejection device for a moveable furniture part and piece of furniture Active EP3448204B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016107917.0A DE102016107917A1 (en) 2016-04-28 2016-04-28 Ejector for a movable furniture part and furniture
PCT/EP2017/059817 WO2017186729A1 (en) 2016-04-28 2017-04-25 Ejection device for a moveable furniture part and piece of furniture

Publications (2)

Publication Number Publication Date
EP3448204A1 EP3448204A1 (en) 2019-03-06
EP3448204B1 true EP3448204B1 (en) 2020-04-29

Family

ID=59078019

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17731067.9A Active EP3448204B1 (en) 2016-04-28 2017-04-25 Ejection device for a moveable furniture part and piece of furniture

Country Status (5)

Country Link
EP (1) EP3448204B1 (en)
CN (1) CN109068851B (en)
DE (1) DE102016107917A1 (en)
ES (1) ES2801475T3 (en)
WO (1) WO2017186729A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109674215B (en) * 2018-12-26 2021-04-30 吴超 Portable notebook computer support
DE102019107690A1 (en) * 2019-03-26 2020-10-01 Paul Hettich Gmbh & Co. Kg Feeding or ejecting device
CN114680489B (en) * 2020-12-28 2023-09-26 川湖科技股份有限公司 Slide rail assembly and slide rail external member thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT502324B1 (en) 2005-09-06 2009-12-15 Blum Gmbh Julius LOCKABLE EJECTION DEVICE
CN200956911Y (en) * 2006-10-08 2007-10-10 伍志勇 Self starter of drawer railing
DE102009049429B4 (en) * 2009-10-14 2014-08-21 Karl Simon Gmbh & Co. Kg sliding arrangement
AT509923B1 (en) * 2010-06-01 2013-12-15 Blum Gmbh Julius FEEDING DEVICE FOR PULLING A MOVABLE FURNITURE PART
DE202010009796U1 (en) 2010-07-02 2011-11-29 Grass Gmbh T / L mechanically damped pawl
DE202010013193U1 (en) * 2010-12-22 2012-03-26 Paul Hettich Gmbh & Co. Kg Opening and closing device for movable furniture parts and ejection device
DE202010013186U1 (en) * 2010-12-22 2012-03-26 Paul Hettich Gmbh & Co. Kg Opening and closing device for movable furniture parts

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
DE102016107917A1 (en) 2017-11-02
ES2801475T3 (en) 2021-01-11
CN109068851B (en) 2022-06-07
CN109068851A (en) 2018-12-21
EP3448204A1 (en) 2019-03-06
WO2017186729A1 (en) 2017-11-02

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