EP2906077A1 - Ejection device - Google Patents

Ejection device

Info

Publication number
EP2906077A1
EP2906077A1 EP13773218.6A EP13773218A EP2906077A1 EP 2906077 A1 EP2906077 A1 EP 2906077A1 EP 13773218 A EP13773218 A EP 13773218A EP 2906077 A1 EP2906077 A1 EP 2906077A1
Authority
EP
European Patent Office
Prior art keywords
driver
activator
running rail
guide
lever
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.)
Granted
Application number
EP13773218.6A
Other languages
German (de)
French (fr)
Other versions
EP2906077B1 (en
Inventor
Joachim Matthes
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.)
Filing date
Publication date
Application filed by Paul Hettich GmbH and Co KG filed Critical Paul Hettich GmbH and Co KG
Publication of EP2906077A1 publication Critical patent/EP2906077A1/en
Application granted granted Critical
Publication of EP2906077B1 publication Critical patent/EP2906077B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
    • A47B88/47—Actuated drawers operated by mechanically-stored energy, e.g. by springs having both self-opening and self-closing mechanisms which interact with each other

Definitions

  • the present invention relates to an ejection device, in particular for drawers, with an activator fixed to a running rail of the pull-out guide, by means of which a driver is displaceable along a guide in a guide housing and can be fixed in a closed position, the driver being coupled to a detent mechanism to fix the driver against the force of an energy storage in the closed position, wherein the locking mechanism can be unlocked by moving the running rail in the closing direction to move the driver with the activator and the running rail through the energy storage in the opening direction.
  • EP 2 281 482 discloses an ejection device with a pullout guide, in which an activator is fixed to a running rail and engages in a receptacle on a driver, which is movable along a guideway.
  • the driver is coupled with a locking mechanism to lock the running rail and a drawer coupled thereto in a closed position. If in the closed position on the drawer and thus on the activator is pulled, damage to the ejection device should be avoided by lowering a contour of the driver in the direction of the guide housing. This can be avoided in an individual case destruction of the driver.
  • the activator comprises a bendable lever which can be decoupled from the driver in the closed position when a tensile force on a running rail is exceeded.
  • This allows the flexibility of the lever on the Activator can be used to prevent wear or increased material stress, because the tensile force for decoupling the lever from the activator and the associated deflection can also be designed for the entire life of the ejector.
  • the ratio of the length of the bendable lever to its maximum deflection in a decoupling of the driver is at least 5: 1, in particular at least 8: 1. This ensures that the deflectable lever is subjected to a deflection by a tensile force only slightly by a bending load.
  • the bendable lever preferably extends substantially parallel to the longitudinal direction of the running rail.
  • the bendable lever can have a length of at least 2 cm, in particular more than 3 cm. The lever is thus arranged in an area that is usually not needed for other purposes.
  • the bendable lever is made of plastic.
  • a stopper integrally formed with the bendable lever, a stopper, which is attached to the end or on the track rail.
  • the stopper can be fixed, for example, by latching means, by embossing or by gluing to the running rail.
  • the driver on a U-shaped receptacle, and on the bendable lever at least one engaging in the receptacle projection is formed.
  • a wall of the receptacle may have on the outside of a run-on slope along which the projection of the bendable lever is movable in the closing direction to obtain a coupling between the activator and the driver.
  • the activator can be easily re-coupled to the driver by the activator is moved in the closing direction and then locked on the run-on slope of the driver.
  • the run-up slope may be formed in cross-section V-shaped to allow a centering of the bendable lever.
  • Figure 1 is a perspective view of an ejection device according to the invention
  • Figure 2 is a side view of the ejector of Figure 1;
  • Figure 3 is a perspective view of the ejector of Figure 1 without pullout guide
  • Figures 4A and 4B are two views of the driver of the ejector of Figure 1;
  • Figure 5 is a side view of the activator and the driver in the coupled state
  • Figure 6 is a side view of the driver and the activator in the decoupling
  • Figure 7 is an exploded perspective view of the locking mechanism of the ejection device.
  • An ejection device comprises a pullout guide 1, which can be mounted on a piece of furniture or a household appliance, and movably stores, for example, drawers or other push elements.
  • the pullout guide 1 comprises a guide rail 2 fixable on a carcass and a movably mounted running rail 3 on which a push element can be mounted.
  • a holding means 4 for example a hook or other elements, is provided on the running rail 3.
  • one or more middle rails can optionally be provided, which extend the extension length of the running rail 3.
  • a guide housing 8 is mounted with a guide 7, on which a driver 6 is movably mounted.
  • the driver 6 is part of an ejection device which can be latched via a latching mechanism 5 in a closed position of the running rail 3.
  • the latching mechanism 5 comprises a cartridge 9, in which an energy accumulator is provided with a latching mechanism which moves the driver 6 after unlocking from the closed position in the opening direction along the guide 7.
  • the driver 6 is coupled to an activator 10 which is fixed to the running rail 3.
  • the activator 10 comprises a bendable lever 1 1, which extends substantially parallel to the longitudinal direction of the running rail 3. At the end of the bendable lever 1 1, a projection 12 is formed, which would take in a recording on the catch 6.
  • On the opposite side of the bendable lever 1 1 is connected to a cap 13 which is fixed at the end of the running rail 3 via a plug connection.
  • the ejector is shown without pullout guide 1.
  • the driver 6 is movable along a guide 7, which has a straight portion 70 and an angled end portion 71. When the driver 6 reaches the angled end portion 71, this is pivoted and the projection 12 can from the receptacle 60 of the driver. 6
  • the driver 6 includes a U-shaped receptacle 60 which is surrounded by a first wall 61 and a second wall 62. On the second wall 62, a run-on slope 63 is formed on the outer side, which is V-shaped in cross section and has a tip 64.
  • the V-shaped starting slope 63 makes it possible to center the likewise V-shaped projection 12 of the activator 10 when it is moved in the closing direction for coupling with the driver 6. As a result, the activator 10 is guided during coupling with the driver 6 substantially parallel to the longitudinal direction of the running rail 3.
  • the driver 6 comprises on opposite sides pin 65, which are guided in the guide 7 of the guide housing 8. Since two pins 65 are provided on each side, the driver 6 can pivot accordingly at the angled end portion 71.
  • the driver 6 adjacent to the receptacle 60 comprises a recess 67, which ensures a certain elasticity of the driver 6, which is advantageous especially with impact loads.
  • the driver 6 further comprises coupling elements 66, which are connected to corresponding connecting elements of the latching mechanism.
  • the activator 10 is shown in the coupled position.
  • the provided with two arms projection 12 engages in the receptacle 60 of the driver 6 on.
  • the cap 12 facing the projection 12 abuts against the wall 62, so that a movement of the running rail 3 in the opening direction is prevented.
  • the activator 10 is shown without running rail 3, so that the plug 14 is visible, which can be inserted into the running rail 3 and locked there.
  • the projection 12 presses against the wall 62, so that a bending load acts on the bendable lever 1 1 of the activator 10.
  • a certain tensile force on the running rail is exceeded, the position shown in dashed lines in Figure 6 is reached, in which a lower edge of the projection 12 is moved over the wall 62, as the lever 1 1 'shows.
  • the activator 10 is thus decoupled from the driver 6, wherein the deflection H of the projection 12 and the bendable lever 1 1 is significantly less than the bendable length L of the bendable lever 1 first
  • the bendable length L is preferably more than 5 ⁇ , in particular more than 8 ⁇ greater than the maximum deflection H.
  • the running rail 3 is then moved in the shooting direction until the projection 12 reaches the run-on slope 63 and is then lifted there, as shown by the bendable lever 11 '. By a further movement in the closing direction then locks the projection 12 in the receptacle 60 of the driver.
  • the cartridge 9 serves to receive a spring 50 which is loadable by pressure and bears with one end against a bottom of the cartridge 9 and acts on the opposite side on an edge 54 of a plunger 51.
  • the plunger 51 is coupled with a spherical end portion 52 with the driver 6, while an opposite end 53 is inserted into the spring 50. As a result, the plunger 51 is biased toward the driver 6 out.
  • the driver 6 is further connected to a wire-shaped switching element 20 which is fixed with an angled end 21 on the driver 6.
  • the switching element 20 has on the opposite side an angular end portion 22 which engages in a groove-shaped cam guide 24 of a switching housing 23.
  • the groove-shaped cam guide 24 includes a detent recess, on which the switching element 20 can be latched against the force of the spring 50. By pressing a thrust element against the force of the spring 50, the switching element 20 can be unlocked from the detent position.
  • the guide housing 8 is further connected via a coupling portion 72 fixed to the cartridge 9, so that the latching mechanism 5 is compact. A projection 25 is inserted into the receptacle 26 on the cartridge 9 for assembly.
  • the plastic activator 10 and the driver 6 are particularly suitable for laboratory furniture, because of the substantial immunity to chemicals.
  • the ejection device for furniture or for household appliances, especially refrigerators or freezers, can be used.
  • the bendable lever 1 1 is formed web-shaped in the illustrated embodiment. It is of course possible to put the bendable lever 1 1 of several individual webs, which are even more elastic.
  • the activator 10 can also be composed of several components, instead of being manufactured from a single plastic part.
  • the bendable lever 1 1 is bent in the embodiment at a tensile force in the direction of the projection 12. It is of course also possible to bend lever 1 1 in a different direction perpendicular to the longitudinal axis of the running rail 3 and to make the receptacle 60 accordingly.

Landscapes

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

Abstract

The invention relates to an ejection device comprising a runner (1), in particular for drawers, having an activator (10) fixed on a guide rail (3) of the runner (1), by means of which a carrier (6) can be moved along a guide (7) in a guide housing (8) and can be fastened in a closed position, wherein the carrier (6) is coupled to a latch mechanism (5) in order to fasten the carrier (6) in the closed position against the force of an energy store, wherein the latching mechanism (5) can be released by moving the guide rail (3) in the closing direction in order to move the carrier (6) by the activator (10) and the guide rail (3) by the energy store in the opening direction. According to the invention, the activator (10) has a flexible lever (11) which, in the closed position, can be decoupled upon the carrier (6) exceeding a tensile force on the guide rail (3). An extensively wear-free decoupling of the activator is thus possible by tensile forces.

Description

Ausstoßvorrichtung  ejector
Die vorliegende Erfindung betrifft eine Ausstoßvorrichtung, insbesondere für Schubkästen, mit einem an einer Laufschiene der Auszugsführung festgelegten Aktivator, mittels dem ein Mitnehmer entlang einer Führung in einem Führungs- gehäuse verschiebbar ist und in einer Schließposition fixierbar ist, wobei der Mitnehmer mit einem Rastmechanismus gekoppelt ist, um den Mitnehmer entgegen der Kraft eines Kraftspeichers in der Schließposition zu fixieren, wobei der Rastmechanismus durch ein Bewegen der Laufschiene in Schließrichtung entriegelbar ist, um den Mitnehmer mit dem Aktivator und der Laufschiene durch den Kraftspeicher in Öffnungsrichtung zu bewegen. The present invention relates to an ejection device, in particular for drawers, with an activator fixed to a running rail of the pull-out guide, by means of which a driver is displaceable along a guide in a guide housing and can be fixed in a closed position, the driver being coupled to a detent mechanism to fix the driver against the force of an energy storage in the closed position, wherein the locking mechanism can be unlocked by moving the running rail in the closing direction to move the driver with the activator and the running rail through the energy storage in the opening direction.
Die EP 2 281 482 offenbart eine Ausstoßvorrichtung mit einer Auszugsführung, bei der ein Aktivator an einer Laufschiene festgelegt ist und in einer Aufnahme an einem Mitnehmer eingreift, der entlang einer Führungsbahn bewegbar ist. Der Mitnehmer ist dabei mit einem Rastmechanismus gekoppelt, um die Laufschiene und einen daran gekoppelten Schubkasten in einer Schließposition zu verrasten. Falls in der Schließposition an dem Schubkasten und damit an dem Aktivator gezogen wird, soll eine Beschädigung der Ausstoßvorrichtung dadurch vermieden werden, dass sich eine Kontur des Mitnehmers in Richtung des Führungsgehäuses absenkt. Dadurch kann im Einzelfall eine Zerstörung des Mitnehmers vermieden werden. Allerdings besteht das Problem, dass gerade im Möbelbereich eine lange Lebensdauer gefordert wird und auch nach einer Vielzahl von Fehlbetätigungen ein Verschleiß oder eine Beschädigung vermieden werden soll. EP 2 281 482 discloses an ejection device with a pullout guide, in which an activator is fixed to a running rail and engages in a receptacle on a driver, which is movable along a guideway. The driver is coupled with a locking mechanism to lock the running rail and a drawer coupled thereto in a closed position. If in the closed position on the drawer and thus on the activator is pulled, damage to the ejection device should be avoided by lowering a contour of the driver in the direction of the guide housing. This can be avoided in an individual case destruction of the driver. However, there is the problem that especially in the furniture sector a long life is required and even after a variety of incorrect operations wear or damage should be avoided.
Es ist daher Aufgabe der vorliegenden Erfindung, eine Ausstoßvorrichtung zu schaffen, die ein sicheres Entkoppeln eines Aktivators von einem Mitnehmer auch bei einer Vielzahl von Zugbewegungen über die Lebensdauer des Möbels oder des Haushaltsgerätes gewährleistet. It is therefore an object of the present invention to provide a discharge device, which ensures a safe decoupling of an activator of a driver even with a variety of pulling movements over the life of the furniture or the household appliance.
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 der Aktivator einen biegbaren Hebel, der in der Schließposition bei Übersteigen einer Zugkraft an einer Laufschiene von dem Mitnehmer entkoppelbar ist. Dadurch kann die Biegbarkeit des Hebels an dem Aktivator genutzt werden, um einen Verschleiß oder eine erhöhte Materialbelastung zu vermeiden, denn die Zugkraft zum Entkoppeln des Hebels von dem Aktivator und die damit verbundene Auslenkung kann auch für die gesamte Lebensdauer der Ausstoßvorrichtung ausgelegt sein. According to the invention, the activator comprises a bendable lever which can be decoupled from the driver in the closed position when a tensile force on a running rail is exceeded. This allows the flexibility of the lever on the Activator can be used to prevent wear or increased material stress, because the tensile force for decoupling the lever from the activator and the associated deflection can also be designed for the entire life of the ejector.
Vorzugsweise ist das Verhältnis der Länge des biegbaren Hebels zu seiner maximalen Auslenkung bei einer Entkopplung von dem Mitnehmer mindestens 5:1 , insbesondere mindestens 8:1 . Dadurch ist sichergestellt, dass der biegbare Hebel bei einer Auslenkung durch eine Zugkraft nur geringfügig durch eine Biegebelastung beansprucht wird. Preferably, the ratio of the length of the bendable lever to its maximum deflection in a decoupling of the driver is at least 5: 1, in particular at least 8: 1. This ensures that the deflectable lever is subjected to a deflection by a tensile force only slightly by a bending load.
Für eine möglichst kompakte Bauweise erstreckt sich der biegbare Hebel vorzugsweise im Wesentlichen parallel zur Längsrichtung der Laufschiene. Der biegbare Hebel kann dabei eine Länge von mindestens 2 cm, insbesondere mehr als 3 cm, aufweisen. Der Hebel wird somit in einem Bereich angeordnet, der meist für andere Anwendungszwecke nicht benötigt wird. For a compact construction as possible, the bendable lever preferably extends substantially parallel to the longitudinal direction of the running rail. The bendable lever can have a length of at least 2 cm, in particular more than 3 cm. The lever is thus arranged in an area that is usually not needed for other purposes.
Vorzugsweise ist der biegbare Hebel aus Kunststoff hergestellt. Dabei kann integral mit dem biegbaren Hebel ein Stopfen ausgebildet sein, der endseitig an oder in die Laufschiene aufgesteckt ist. dies ermöglicht eine einfache Montage des Aktivators ohne zusätzliche Schweißschritte. Der Stopfen kann beispielsweise über Rastmittel, durch Verprägen oder durch ein Verkleben an der Laufschiene festgelegt sein. Gemäß einer Ausgestaltung weist der Mitnehmer eine U-förmige Aufnahme auf, und an dem biegbaren Hebel ist mindestens ein in die Aufnahme eingreifender Vorsprung ausgebildet. Eine Wand der Aufnahme kann dabei an der Außenseite eine Anlaufschräge aufweisen, entlang der der Vorsprung des biegbaren Hebels in Schließrichtung bewegbar ist, um eine Kopplung zwischen dem Aktivator und dem Mitnehmer zu erhalten. Dadurch kann der Aktivator auf einfache Weise wieder mit dem Mitnehmer gekoppelt werden, indem der Aktivator in Schließrichtung bewegt wird und dann über die Anlaufschräge an dem Mitnehmer verrastet. Die Anlaufschräge kann dabei im Querschnitt V-förmig ausgebildet sein, um eine Zentrierung des biegbaren Hebels zu ermöglichen. Preferably, the bendable lever is made of plastic. In this case, integrally formed with the bendable lever, a stopper, which is attached to the end or on the track rail. This allows easy installation of the activator without additional welding steps. The stopper can be fixed, for example, by latching means, by embossing or by gluing to the running rail. According to one embodiment, the driver on a U-shaped receptacle, and on the bendable lever at least one engaging in the receptacle projection is formed. A wall of the receptacle may have on the outside of a run-on slope along which the projection of the bendable lever is movable in the closing direction to obtain a coupling between the activator and the driver. As a result, the activator can be easily re-coupled to the driver by the activator is moved in the closing direction and then locked on the run-on slope of the driver. The run-up slope may be formed in cross-section V-shaped to allow a centering of the bendable lever.
Die Erfindung wird nachfolgend anhand eines Ausführungsbeispiels mit Bezug auf die beigefügten Zeichnungen näher erläutert. Es zeigen: Figur 1 eine perspektivische Ansicht einer erfindungsgemäßen Ausstoßvorrichtung; The invention will be explained in more detail below with reference to an embodiment with reference to the accompanying drawings. Show it: Figure 1 is a perspective view of an ejection device according to the invention;
Figur 2 eine Seitenansicht der Ausstoßvorrichtung der Figur 1 ; Figure 2 is a side view of the ejector of Figure 1;
Figur 3 eine perspektivische Ansicht der Ausstoßvorrichtung der Figur 1 ohne Auszugsführung; Figure 3 is a perspective view of the ejector of Figure 1 without pullout guide;
Figuren 4A und 4B zwei Ansichten des Mitnehmers der Ausstoßvorrichtung der Figur 1 ; Figures 4A and 4B are two views of the driver of the ejector of Figure 1;
Figur 5 eine Seitenansicht des Aktivators und des Mitnehmers im gekoppelten Zustand; Figure 5 is a side view of the activator and the driver in the coupled state;
Figur 6 eine Seitenansicht des Mitnehmers und des Aktivators bei der Entkopplung, und Figure 6 is a side view of the driver and the activator in the decoupling, and
Figur 7 eine perspektivische Explosionsdarstellung des Rastmechanismus der Ausstoßvorrichtung. Figure 7 is an exploded perspective view of the locking mechanism of the ejection device.
Eine Ausstoßvorrichtung umfasst eine Auszugsführung 1 , die an einem Möbel oder einem Haushaltsgerät montierbar ist, und beispielsweise Schubkästen oder andere Schubelemente verfahrbar lagert. Die Auszugsführung 1 umfasst eine an einem Korpus festlegbare Führungsschiene 2 sowie eine verfahrbar gelagerte Laufschiene 3, an der ein Schubelement montierbar ist. Hierfür ist an der Laufschiene 3 ein Haltemittel 4, beispielsweise ein Haken oder andere Elemente, vorgesehen. Zwischen der Führungsschiene 2 und der Laufschiene 3 können optional noch eine oder mehrere Mittelschienen vorgesehen sein, die die Auszugslänge der Laufschiene 3 verlängern. An ejection device comprises a pullout guide 1, which can be mounted on a piece of furniture or a household appliance, and movably stores, for example, drawers or other push elements. The pullout guide 1 comprises a guide rail 2 fixable on a carcass and a movably mounted running rail 3 on which a push element can be mounted. For this purpose, a holding means 4, for example a hook or other elements, is provided on the running rail 3. Between the guide rail 2 and the running rail 3, one or more middle rails can optionally be provided, which extend the extension length of the running rail 3.
An der Führungsschiene 2 ist ein Führungsgehäuse 8 mit einer Führung 7 montiert, an der ein Mitnehmer 6 verfahrbar gelagert ist. Der Mitnehmer 6 ist Bestandteil einer Ausstoßvorrichtung, die über einen Rastmechanismus 5 in einer Schließposition der Laufschiene 3 verrastbar ist. Der Rastmechanismus 5 umfasst eine Patrone 9, in der ein Kraftspeicher mit einer Rastmechanik vorgesehen ist, die den Mitnehmer 6 nach einer Entriegelung aus der Schließposition in Öffnungsrichtung entlang der Führung 7 bewegt. Der Mitnehmer 6 ist mit einem Aktivator 10 gekoppelt, der an der Laufschiene 3 festgelegt ist. Der Aktivator 10 umfasst einen biegbaren Hebel 1 1 , der sich im Wesentlichen parallel zur Längsrichtung der Laufschiene 3 erstreckt. Endseitig an dem biegbaren Hebel 1 1 ist ein Vorsprung 12 ausgebildet, der in eine Auf- nähme an dem Mitnehmer 6 eingreift. An der gegenüberliegenden Seite ist der biegbare Hebel 1 1 mit einer Kappe 13 verbunden, die über eine Steckverbindung endseitig an der Laufschiene 3 festgelegt ist. On the guide rail 2, a guide housing 8 is mounted with a guide 7, on which a driver 6 is movably mounted. The driver 6 is part of an ejection device which can be latched via a latching mechanism 5 in a closed position of the running rail 3. The latching mechanism 5 comprises a cartridge 9, in which an energy accumulator is provided with a latching mechanism which moves the driver 6 after unlocking from the closed position in the opening direction along the guide 7. The driver 6 is coupled to an activator 10 which is fixed to the running rail 3. The activator 10 comprises a bendable lever 1 1, which extends substantially parallel to the longitudinal direction of the running rail 3. At the end of the bendable lever 1 1, a projection 12 is formed, which would take in a recording on the catch 6. On the opposite side of the bendable lever 1 1 is connected to a cap 13 which is fixed at the end of the running rail 3 via a plug connection.
In Figur 3 ist die Ausstoßvorrichtung ohne Auszugsführung 1 dargestellt. Der Mitnehmer 6 ist entlang einer Führung 7 verfahrbar, die einen geraden Abschnitt 70 sowie einen abgewinkelten Endabschnitt 71 aufweist. Wenn der Mitnehmer 6 den abgewinkelten Endabschnitt 71 erreicht, wird dieser verschwenkt und der Vorsprung 12 kann aus der Aufnahme 60 des Mitnehmers 6 In Figure 3, the ejector is shown without pullout guide 1. The driver 6 is movable along a guide 7, which has a straight portion 70 and an angled end portion 71. When the driver 6 reaches the angled end portion 71, this is pivoted and the projection 12 can from the receptacle 60 of the driver. 6
herausbewegt werden, so dass Aktivator 10 und Mitnehmer 6 entkoppelt sind. be moved out so that activator 10 and driver 6 are decoupled.
In den Figuren 4A und 4B ist der Mitnehmer 6 im Detail dargestellt. Der Mitnehmer 6 umfasst eine U-förmige Aufnahme 60, die durch eine erste Wand 61 und eine zweite Wand 62 umgeben ist. An der zweiten Wand 62 ist an der äußeren Seite eine Anlaufschräge 63 ausgebildet, die im Querschnitt V-förmig ausgebildet ist und eine Spitze 64 aufweist. Die V-förmige Anlaufschräge 63 ermöglicht es, den ebenfalls V-förmigen Vorsprung 12 des Aktivators 10 zu zentrieren, wenn dieser in Schließrichtung zur Kopplung mit dem Mitnehmer 6 bewegt wird. Dadurch wird der Aktivator 10 beim Einkoppeln mit dem Mitnehmer 6 im Wesentlichen parallel zur Längsrichtung der Laufschiene 3 geführt. In the figures 4A and 4B, the driver 6 is shown in detail. The driver 6 includes a U-shaped receptacle 60 which is surrounded by a first wall 61 and a second wall 62. On the second wall 62, a run-on slope 63 is formed on the outer side, which is V-shaped in cross section and has a tip 64. The V-shaped starting slope 63 makes it possible to center the likewise V-shaped projection 12 of the activator 10 when it is moved in the closing direction for coupling with the driver 6. As a result, the activator 10 is guided during coupling with the driver 6 substantially parallel to the longitudinal direction of the running rail 3.
Der Mitnehmer 6 umfasst an gegenüberliegenden Seiten Zapfen 65, die in der Führung 7 des Führungsgehäuses 8 geführt sind. Da auf jeder Seite zwei Zapfen 65 vorgesehen sind, kann der Mitnehmer 6 an dem abgewinkelten Endabschnitt 71 entsprechend verschwenken. The driver 6 comprises on opposite sides pin 65, which are guided in the guide 7 of the guide housing 8. Since two pins 65 are provided on each side, the driver 6 can pivot accordingly at the angled end portion 71.
Ferner umfasst der Mitnehmer 6 benachbart zu der Aufnahme 60 eine Aussparung 67, die eine gewisse Elastizität des Mitnehmers 6 gewährleistet, was gerade bei Stoßbelastungen vorteilhaft ist. Auf der zu dem Rastmechanismus 5 gewandten Seite umfasst der Mitnehmer 6 ferner Kopplungselemente 66, die mit entsprechenden Verbindungselementen des Rastmechanismus verbunden werden. Further, the driver 6 adjacent to the receptacle 60 comprises a recess 67, which ensures a certain elasticity of the driver 6, which is advantageous especially with impact loads. On the side facing the latching mechanism 5, the driver 6 further comprises coupling elements 66, which are connected to corresponding connecting elements of the latching mechanism.
In Figur 5 ist der Aktivator 10 in der eingekoppelten Position gezeigt. Der mit zwei Armen versehene Vorsprung 12 greift in die Aufnahme 60 des Mitnehmers 6 ein. Der zur Kappe 13 gewandte Vorsprung 12 liegt an der Wand 62 an, so dass ein Bewegen der Laufschiene 3 in Öffnungsrichtung verhindert wird. Der Aktivator 10 ist ohne Laufschiene 3 gezeigt, so dass der Stopfen 14 sichtbar ist, der in die Laufschiene 3 eingesteckt und dort verrastet werden kann. In Figure 5, the activator 10 is shown in the coupled position. The provided with two arms projection 12 engages in the receptacle 60 of the driver 6 on. The cap 12 facing the projection 12 abuts against the wall 62, so that a movement of the running rail 3 in the opening direction is prevented. The activator 10 is shown without running rail 3, so that the plug 14 is visible, which can be inserted into the running rail 3 and locked there.
Wird nun gegen die Fixierung durch den Rastmechanismus an der Laufschiene 3 gezogen, drückt der Vorsprung 12 gegen die Wand 62, so dass eine Biegebelastung auf den biegbaren Hebel 1 1 des Aktivators 10 wirkt. Bei Überschreiten einer bestimmten Zugkraft an der Laufschiene wird die in Figur 6 in gestrichelten Linien dargestellte Position erreicht, bei der eine untere Kante des Vorsprunges 12 über die Wand 62 bewegt wird, wie dies der Hebel 1 1 ' zeigt. Der Aktivator 10 wird somit von dem Mitnehmer 6 entkoppelt, wobei die Auslenkung H des Vorsprunges 12 bzw. des biegbaren Hebels 1 1 deutlich geringer ist als die biegbare Länge L des biegbaren Hebels 1 1 . Die biegbare Länge L ist vorzugsweise mehr als 5 x, insbesondere mehr als 8 x größer als die maximale Auslenkung H. Nach der Entkopplung des Aktivators 10 von dem Mitnehmer 6 kann dieser zusammen mit der Laufschiene 3 frei bewegt werden. Zum Einkoppeln wird dann die Laufschiene 3 in Schießrichtung bewegt, bis der Vorsprung 12 an die Anlaufschräge 63 gelangt und dort dann angehoben wird, wie dies der biegbare Hebel 1 1 ' zeigt. Durch eine weitere Bewegung in Schließrichtung verrastet dann der Vorsprung 12 in der Aufnahme 60 des Mitnehmers. If now pulled against the fixation by the locking mechanism on the running rail 3, the projection 12 presses against the wall 62, so that a bending load acts on the bendable lever 1 1 of the activator 10. When a certain tensile force on the running rail is exceeded, the position shown in dashed lines in Figure 6 is reached, in which a lower edge of the projection 12 is moved over the wall 62, as the lever 1 1 'shows. The activator 10 is thus decoupled from the driver 6, wherein the deflection H of the projection 12 and the bendable lever 1 1 is significantly less than the bendable length L of the bendable lever 1 first The bendable length L is preferably more than 5 ×, in particular more than 8 × greater than the maximum deflection H. After the decoupling of the activator 10 from the driver 6, it can be moved freely together with the running rail 3. For coupling, the running rail 3 is then moved in the shooting direction until the projection 12 reaches the run-on slope 63 and is then lifted there, as shown by the bendable lever 11 '. By a further movement in the closing direction then locks the projection 12 in the receptacle 60 of the driver.
In Figur 7 ist der Rastmechanismus 5 im Detail gezeigt. Die Patrone 9 dient zur Aufnahme einer Feder 50, die auf Druck belastbar ist und mit einem Ende an einem Boden der Patrone 9 anliegt und auf der gegenüberliegenden Seite auf einen Rand 54 eines Stößels 51 wirkt. Der Stößel 51 ist mit einem kugelförmigen Endabschnitt 52 mit dem Mitnehmer 6 gekoppelt, während ein gegenüberliegendes Ende 53 in die Feder 50 eingesteckt ist. Dadurch ist der Stößel 51 zu dem Mitnehmer 6 hin vorgespannt. In Figure 7, the locking mechanism 5 is shown in detail. The cartridge 9 serves to receive a spring 50 which is loadable by pressure and bears with one end against a bottom of the cartridge 9 and acts on the opposite side on an edge 54 of a plunger 51. The plunger 51 is coupled with a spherical end portion 52 with the driver 6, while an opposite end 53 is inserted into the spring 50. As a result, the plunger 51 is biased toward the driver 6 out.
Der Mitnehmer 6 ist ferner mit einem drahtförmigen Schaltelement 20 verbunden, das mit einem abgewinkelten Ende 21 am Mitnehmer 6 fixiert ist. Das Schaltelement 20 weist an der gegenüberliegenden Seite einen winkelförmigen Endabschnitt 22 auf, der in eine nutförmige Kurvenführung 24 eines Schaltgehäuses 23 eingreift. Die nutförmige Kurvenführung 24 umfasst eine Rastmulde, an der das Schaltelement 20 gegen die Kraft der Feder 50 verrastbar ist. Durch Eindrücken eines Schubelementes gegen die Kraft der Feder 50 kann das Schaltelement 20 dabei aus der Rastposition entriegelt werden. Das Führungsgehäuse 8 ist ferner über einen Kopplungsabschnitt 72 fest mit der Patrone 9 verbunden, so dass der Rastmechanismus 5 kompakt aufgebaut ist. Ein Vorsprung 25 wird in die Aufnahme 26 an der Patrone 9 zur Montage eingeführt. The driver 6 is further connected to a wire-shaped switching element 20 which is fixed with an angled end 21 on the driver 6. The switching element 20 has on the opposite side an angular end portion 22 which engages in a groove-shaped cam guide 24 of a switching housing 23. The groove-shaped cam guide 24 includes a detent recess, on which the switching element 20 can be latched against the force of the spring 50. By pressing a thrust element against the force of the spring 50, the switching element 20 can be unlocked from the detent position. The guide housing 8 is further connected via a coupling portion 72 fixed to the cartridge 9, so that the latching mechanism 5 is compact. A projection 25 is inserted into the receptacle 26 on the cartridge 9 for assembly.
Der aus Kunststoff hergestellte Aktivator 10 und der Mitnehmer 6 eignen sich insbesondere auch für Labormöbel, wegen der weitgehenden Unanfälligkeit gegen Chemikalien. Zudem kann die Ausstoßvorrichtung für Möbel oder für Haushaltsgeräte, insbesondere Kühl- oder Gefrierschränke, eingesetzt werden. The plastic activator 10 and the driver 6 are particularly suitable for laboratory furniture, because of the substantial immunity to chemicals. In addition, the ejection device for furniture or for household appliances, especially refrigerators or freezers, can be used.
Der biegbare Hebel 1 1 ist in dem dargestellten Ausführungsbeispiel stegförmi- ge ausgebildet. Es ist natürlich möglich, den biegbaren Hebel 1 1 aus mehreren Einzelstegen zusammenzusetzen, die noch elastischer sind. Zudem kann der Aktivator 10 auch aus mehreren Bauteilen zusammengesetzt sein, statt aus einem einzigen Kunststoffteil hergestellt zu werden. The bendable lever 1 1 is formed web-shaped in the illustrated embodiment. It is of course possible to put the bendable lever 1 1 of several individual webs, which are even more elastic. In addition, the activator 10 can also be composed of several components, instead of being manufactured from a single plastic part.
Der biegbare Hebel 1 1 wird bei dem Ausführungsbeispiel bei einer Zugkraft in Richtung des Vorsprunges 12 verbogen. Es ist natürlich auch möglich, Hebel 1 1 in eine andere Richtung senkrecht zur Längsachse der Laufschiene 3 zu verbiegen und die Aufnahme 60 entsprechend zu gestalten. The bendable lever 1 1 is bent in the embodiment at a tensile force in the direction of the projection 12. It is of course also possible to bend lever 1 1 in a different direction perpendicular to the longitudinal axis of the running rail 3 and to make the receptacle 60 accordingly.
Bezugszeichenliste LIST OF REFERENCE NUMBERS
1 Auszugsführung 1 pullout guide
2 Führungsschiene  2 guide rail
3 Laufschiene  3 track
4 Haltemittel  4 holding means
5 Rastmechanismus  5 locking mechanism
6 Mitnehmer  6 drivers
7 Führung  7 leadership
8 Führungsgehäuse  8 guide housing
9 Patrone  9 cartridge
10 Aktivator  10 activator
1 1 , 1 1 ' Hebel  1 1, 1 1 'lever
12, 12' Vorsprung  12, 12 'lead
13 Kappe/Anlaufschräge  13 cap / run-on slope
14 Stopfen  14 plugs
20 Schaltelement  20 switching element
21 Ende  21 end
22 Endabschnitt  22 end section
23 Schaltgehäuse  23 switch housing
24 Kurvenführung  24 curve guide
25 Vorsprung  25 advantage
26 Aufnahme  26 recording
50 Feder  50 spring
51 Stößel  51 pestles
52 Endabschnitt  52 end section
53 Ende  53 end
54 Rand  54 edge
60 Aufnahme  60 recording
61 Wand  61 wall
62 Wand  62 wall
63 Anlaufschräge  63 run-up slope
64 Spitze  64 tip
65 Zapfen  65 cones
66 Kopplungselemente  66 coupling elements
67 Aussparung  67 recess
70 Abschnitt  70 section
71 Endabschnitt  71 end section
72 Kopplungsabschnitt H Auslenkung L Länge 72 coupling section H deflection L length

Claims

Ansprüche claims
1 . Ausstoßvornchtung mit einer Auszugsführung (1 ), insbesondere für 1 . Ausstoßvornchtung with a pullout guide (1), in particular for
Schubkästen, mit einem an einer Laufschiene (3) der Auszugsführung (1 ) festgelegten Aktivator (10), mittels dem ein Mitnehmer (6) entlang einer Führung (7) in einem Führungsgehäuse (8) verschiebbar ist und in einer Schließposition fixierbar ist, wobei der Mitnehmer (6) mit einem Rastmechanismus (5) gekoppelt ist, um den Mitnehmer (6) entgegen der Kraft eines Kraftspeichers in der Schließposition zu fixieren, wobei der Rastmechanismus (5) durch ein Bewegen der Laufschiene (3) in Schließrichtung entriegelbar ist, um den Mitnehmer (6) mit dem Aktivator (10) und der Laufschiene (3) durch den Kraftspeicher in Öffnungsrichtung zu bewegen, dadurch gekennzeichnet, dass der Aktivator (10) einen biegbaren Hebel (1 1 ) aufweist, der in der Schließposition bei Übersteigen einer Zugkraft an der Laufschiene (3) von dem Mitnehmer (6) entkoppelbar ist.  Drawers, with a on a running rail (3) of the pullout guide (1) fixed activator (10) by means of a driver (6) along a guide (7) in a guide housing (8) is displaceable and can be fixed in a closed position, wherein the driver (6) is coupled to a latching mechanism (5) in order to fix the driver (6) in the closed position against the force of an energy accumulator, wherein the latching mechanism (5) can be unlocked by moving the running rail (3) in the closing direction, to move the driver (6) with the activator (10) and the running rail (3) through the energy storage in the opening direction, characterized in that the activator (10) has a bendable lever (1 1), which in the closed position when exceeding a tensile force on the running rail (3) of the driver (6) can be decoupled.
2. Ausstoßvorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass das Verhältnis der Länge (L) des biegbaren Hebels (1 1 ) zu seiner maximalen Auslenkung (H) bei der Entkopplung von dem Mitnehmer (6) mindestens 5:1 , insbesondere mindestens 8:1 , ist. 2. Ejecting device according to claim 1, characterized in that the ratio of the length (L) of the bendable lever (1 1) to its maximum deflection (H) in the decoupling of the driver (6) at least 5: 1, in particular at least 8: 1, is.
3. Ausstoßvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der biegbare Hebel (1 1 ) sich im Wesentlichen parallel zur Längsrichtung der Laufschiene (3) erstreckt. 3. Ejecting device according to claim 1 or 2, characterized in that the bendable lever (1 1) extends substantially parallel to the longitudinal direction of the running rail (3).
4. Ausstoßvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der biegbare Hebel (1 1 ) eine Länge von mindestens 2 cm, insbesondere mehr als 3 cm, aufweist. 4. Ejecting device according to one of the preceding claims, characterized in that the bendable lever (1 1) has a length of at least 2 cm, in particular more than 3 cm.
5. Ausstoßvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der biegbare Hebel (1 1 ) aus Kunststoff hergestellt ist. 5. Ejecting device according to one of the preceding claims, characterized in that the bendable lever (1 1) is made of plastic.
6. Ausstoßvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass integral mit dem biegbaren Hebel (1 1 ) ein Stopfen (14) ausgebildet ist, der endseitig an oder in die Laufschiene aufgesteckt ist. 6. Ejecting device according to one of the preceding claims, characterized in that integrally with the bendable lever (1 1), a plug (14) is formed, which is attached to the end or on the track rail.
7. Ausstoßvornchtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Mitnehmer (6) eine U-förmige Aufnahme (60) aufweist und an dem biegbaren Hebel (1 1 ) mindestens ein in die Aufnahme (6) eingreifender Vorsprung (12) ausgebildet ist. 7. Ausstoßvornchtung according to any one of the preceding claims, characterized in that the driver (6) has a U-shaped receptacle (60) and formed on the bendable lever (1 1) at least one in the receptacle (6) engaging projection (12) is.
8. Ausstoßvorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass eine Wand (62) der Aufnahme (60) an der Außenseite eine Anlaufschräge (63) aufweist, entlang der der Vorsprung (12) des biegbaren Hebels (1 1 ) in Schließrichtung bewegbar ist, um eine Kopplung zwischen dem Aktivator (10) und dem Mitnehmer (6) zu erhalten. 8. ejection device according to claim 7, characterized in that a wall (62) of the receptacle (60) on the outside of a run-on slope (63) along which the projection (12) of the bendable lever (1 1) is movable in the closing direction, to obtain a coupling between the activator (10) and the driver (6).
9. Ausstoßvorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass die9. Ejecting device according to claim 8, characterized in that the
Anlaufschräge (62) im Querschnitt V-förmig ausgebildet ist und eine Zentrierung des biegbaren Hebels (1 1 ) ermöglicht. Run-on slope (62) is formed in cross-section V-shaped and allows centering of the bendable lever (1 1).
EP13773218.6A 2012-10-12 2013-10-01 Ejection device Active EP2906077B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012109752.6A DE102012109752A1 (en) 2012-10-12 2012-10-12 ejector
PCT/EP2013/070427 WO2014056759A1 (en) 2012-10-12 2013-10-01 Ejection device

Publications (2)

Publication Number Publication Date
EP2906077A1 true EP2906077A1 (en) 2015-08-19
EP2906077B1 EP2906077B1 (en) 2017-04-12

Family

ID=49303967

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Application Number Title Priority Date Filing Date
EP13773218.6A Active EP2906077B1 (en) 2012-10-12 2013-10-01 Ejection device

Country Status (8)

Country Link
EP (1) EP2906077B1 (en)
KR (1) KR102118761B1 (en)
CN (1) CN104703512B (en)
DE (1) DE102012109752A1 (en)
ES (1) ES2631677T3 (en)
PL (1) PL2906077T3 (en)
PT (1) PT2906077T (en)
WO (1) WO2014056759A1 (en)

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Publication number Priority date Publication date Assignee Title
DE102014105553A1 (en) 2014-04-17 2015-10-22 Hettich-Heinze Gmbh & Co. Kg Acceleration or braking device
AT14879U1 (en) 2014-06-06 2016-08-15 Blum Gmbh Julius Drive device for a movable furniture part
DE202015005844U1 (en) * 2015-08-21 2016-11-23 Grass Gmbh Device for opening and closing a movable furniture part

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100105925A (en) * 2009-03-23 2010-10-01 김주영 A drawer damping device
DE102009026141A1 (en) * 2009-07-09 2011-01-13 Paul Hettich Gmbh & Co. Kg ratcheting
DE202009005121U1 (en) 2009-08-07 2010-12-30 Paul Hettich Gmbh & Co. Kg Ejector of a pull-out guide and pull-out guide
DE202009005119U1 (en) * 2009-08-07 2010-12-30 Paul Hettich Gmbh & Co. Kg pull-out guide
CN101991284B (en) * 2009-08-12 2013-04-24 Segos株式会社 Sliding apparatus with self-closing means
DE102010000279A1 (en) * 2010-02-02 2011-08-04 Paul Hettich GmbH & Co. KG, 32278 Pull-out guide of a drawer
DE202010000479U1 (en) * 2010-03-26 2011-08-08 Paul Hettich Gmbh & Co. Kg ejector
AT509934B1 (en) * 2010-05-20 2016-01-15 Blum Gmbh Julius DRIVE DEVICE FOR MOVING A MOVABLE FURNITURE PART
DE202010013193U1 (en) * 2010-12-22 2012-03-26 Paul Hettich Gmbh & Co. Kg Opening and closing device for movable furniture parts and ejection device

Also Published As

Publication number Publication date
KR102118761B1 (en) 2020-06-03
ES2631677T3 (en) 2017-09-04
CN104703512B (en) 2017-05-17
EP2906077B1 (en) 2017-04-12
KR20150070193A (en) 2015-06-24
PL2906077T3 (en) 2017-09-29
PT2906077T (en) 2017-06-05
CN104703512A (en) 2015-06-10
WO2014056759A1 (en) 2014-04-17
DE102012109752A1 (en) 2014-04-17

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