EP3653938B1 - Guiding device for guiding a good carrier in a housing - Google Patents

Guiding device for guiding a good carrier in a housing Download PDF

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Publication number
EP3653938B1
EP3653938B1 EP19201849.7A EP19201849A EP3653938B1 EP 3653938 B1 EP3653938 B1 EP 3653938B1 EP 19201849 A EP19201849 A EP 19201849A EP 3653938 B1 EP3653938 B1 EP 3653938B1
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EP
European Patent Office
Prior art keywords
locking
guide
housing
shelf
pulled
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EP19201849.7A
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German (de)
French (fr)
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EP3653938A1 (en
Inventor
Roland Tiefnig
Simon Mair
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Grass GmbH
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Grass GmbH
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Priority to SI201930321T priority Critical patent/SI3653938T1/en
Publication of EP3653938A1 publication Critical patent/EP3653938A1/en
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Publication of EP3653938B1 publication Critical patent/EP3653938B1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/16—Shelves, racks or trays inside ovens; Supports therefor

Definitions

  • the invention relates to a guide device for guiding a load carrier in a housing, with at least two guide units which can each be fastened to the housing at a transverse distance from one another and which can be coupled to the load carrier and which move the load carrier by a movement between an inserted operating position and an at least partially extended position lead to the housing pulled-out position.
  • a guide device for guiding a load carrier in a housing of an oven There are on the opposite side walls of the housing slide-in strips, which are used to hold an item carrier, for example in the form of a baking tray or grating. In order to remove the product carrier from the housing, it is necessary to grasp it at a front edge and to pull it out of the housing.
  • the guide device for guiding the load carrier is fastened to the housing on the one hand and coupled to the load carrier on the other hand and guides the load carrier during a displacement movement between the operating position and the pulled-out position.
  • the guide device is designed overall as a pull-out guide, with a base rail attached to the housing of the baking oven and a pull-out rail that is linearly movable in relation thereto.
  • the DE 20 2014 104 795 U1 discloses a device for guiding the movement of a pusher element.
  • the device includes a support rail that is fixed in place on the side wall of an oven. Furthermore, a pull-out rail is provided, which is guided in a linearly movable manner on the support rail and to which a food support can be attached.
  • the EP 2 645 003 A1 discloses a food support for a cooking appliance with a receiving area for the food to be cooked and a holding area arranged laterally in the direction of insertion for engaging in a food support seat, the holding area having at least one formation with at least a first flank with a first flank angle and a second flank with a second flank angle Engaging in the food support receptacle.
  • the DE 102 43 551 A1 discloses a cooking appliance with a holding element guided in an oven muffle on a parallelogram pivoting mechanism for receiving and holding at least one item to be cooked.
  • the holding element is by means of the parallelogram pivoting mechanism movable between a cooking position in the oven muffle and a removal position lying at least partially in front of this.
  • a latching position can be provided in the removal position.
  • the NZ 543 764 A discloses an oven with a drawer that can be pulled out of the oven when handling a front panel.
  • a food support is stored in the drawer and is pulled out when the drawer is pulled out.
  • the drawer is in the pulled-out position, the remaining interior of the oven is protected from a heat source, which is arranged above the folding cover, by a cover that is then folded out.
  • the DE 10 2004 032 250 A1 deals with a paint door holder in the body construction of motor vehicles.
  • the lacquered door holder is used to lock a body shell door mounted on a motor vehicle body shell in an at least partially open pivoted position.
  • the lacquered door holder has a U-shaped spring clip which can be inserted into a frame-side receiving opening of the shell door and has notches arranged in the region of the leg ends and under the effect of the spring clip's expanding force which positively couples it to the receiving opening in the inserted position.
  • the EP 1 344 985 A1 discloses an oven and baking oven trolley, the baking trolley having a telescopic device with a movable telescopic part which is designed to accommodate at least one food support and can be moved laterally beyond the front of the trolley from a parking position behind a front wall of the trolley into a transverse offset position.
  • the EP 1 750 061 A2 discloses a home appliance pull-out device, the locking device for fixing the position of Having carriage units in the end position in the extended state.
  • the latching devices each have latching units which are arranged on bearing rails and are intended to be laid out by the bearing units.
  • the object of the invention is therefore to provide a guide device of the type mentioned at the outset, with which a product carrier coupled to the guide device is reliably positioned in the extended position and with which the above-mentioned disadvantages in particular can be avoided.
  • the guiding device is characterized in that the coupling device has a bulkhead which is movably mounted by means of the guiding units between an operating position located in the area of the rear wall and a closed position pulled out into the area of the housing opening, the locking component being designed as a locking rod, which on the one hand is mounted pivotably about a rod pivot axis and on the other end is equipped with the locking element in the form of a locking notch, the other locking element being in the form of a locking projection on one of the guide rods and by the locking rod and the associated guide rod during the movement an overlaying Pivoting movement can be carried out, which causes the locking projection to engage in the locking notch when retracted into the pulled-out position, and the rod pivot axis is seated on the bulkhead.
  • the load carrier can thus be secured in a fixed position in the pulled-out position, which means that handling can also be carried out in the pulled-out position on the load carrier, for example the food to be cooked on it, without an unintentional movement of the guide device interfering with the handling.
  • the locking device is designed in such a way that it enters a locking operating state when the load carrier reaches the pulled-out position.
  • the locking operating state can, for example, be assumed automatically when moving into the extended position.
  • extension means for example a spring.
  • the locking device has a first locking element and a second locking element which are in engagement with one another in the pulled-out position and are out of engagement with one another outside of the pulled-out position.
  • the first locking element is designed as a locking projection and the second locking element is designed as a locking notch, or vice versa.
  • One of the locking elements is arranged on a locking component which is separate from the guide unit and which can be moved during the movement of the guide unit in such a way that the locking element arranged on it engages with the other locking element when it is moved into the pulled-out position.
  • the locking projection is on the guide unit and the locking notch is on the separate locking component are trained.
  • the guide units each have a guide linkage consisting of a plurality of guide arms, which can be moved in the manner of an accordion and thereby guides the load carrier between the operating position and the extended position.
  • the guide arms can be in the form of pivot arms which are pivotably connected to one another and are pivotable about pivot axes on the body side and/or on the load carrier side.
  • the guide linkages each have two swivel arms, of which a first swivel arm is swivel-mounted around a first swivel axis on the housing side and a second swivel arm is swivel-mounted around a second pivot axis on the goods carrier side, and the two swivel arms are pivotally connected to one another via a connecting joint.
  • the guide units are coupled to the load carrier by means of a coupling device belonging to the guide device.
  • the coupling device has a bulkhead which is movably mounted by means of the guide units between an operating position located in the area of the rear wall and a closed position pulled out into the area of the housing opening.
  • the bulkhead could also be referred to as a double back wall.
  • the locking component is designed as a locking rod, which is pivoted at one end about a rod pivot axis and is equipped with the locking element, in particular the locking notch, on the other hand, the other locking element, in particular the locking projection, being formed on one of the guide rods and through the locking rod and the associated guide linkage can be carried out during the displacement movement of a superimposed pivoting movement, which causes the locking projection to engage in the locking notch when it is moved into the pulled-out position.
  • the rod pivot axis is located on the bulkhead.
  • the locking rod has a longitudinal slot aligned in its longitudinal direction, through which the locking projection passes and which is guided along the locking projection during the overlapping pivoting movement of the locking rod in the guide linkage, with a rear end of the longitudinal slot assigned to the rod pivot axis equipped with the locking notch.
  • the locking projection is designed as an extension of the connecting joint and protrudes upwards from an upper side of the guide linkage.
  • the locking component, in particular the locking rod, below the associated guide linkage with the locking projection then protruding downward from an underside of the guide linkage.
  • the invention also covers a heating device, in particular an oven, with an interior space that encloses a heatable space Housing, wherein the interior is delimited at the rear by a rear wall and at the front by a door which, in a closed position, closes access to the housing opening allowing access to the interior, wherein at least one item carrier for items to be heated, which can be removed from the housing after the door is opened, is accommodated in the housing is characterized by a guide device according to one of Claims 1 to 8.
  • the Figures 1 to 3 show a preferred embodiment of the guide device 11 according to the invention when used on a heating device in the form of an oven. It would also be conceivable to use the guide device 11 in other heating devices, for example in a steam cooker or a microwave.
  • the oven owns a housing (not shown), which can be cuboid, for example.
  • the housing encloses a heatable interior (not shown), which is delimited at the rear by a rear wall (not shown) and at the front by a door (not shown).
  • the door closes access to the interior.
  • the door is expediently designed as a flap and can be folded away towards the front and down when it is opened.
  • the housing also has two opposite side walls (not shown), a bottom (not shown) and a top wall (not shown) opposite thereto.
  • At least one item carrier 12 for heating items which can be removed from the housing after the door is opened, is accommodated in the housing.
  • the product support is designed as a product support, for example in the form of a baking tray or grating.
  • the guide device 11 has two guide units 13a, 13b, which are each attached at a transverse distance from one another on the one hand via fastening means 14 on the housing and on the other hand are coupled to the goods carrier 12 and which move the goods carrier 12 by a displacement movement between an inserted operating position 15 ( figure 1 ) and a pull-out position 16 ( figure 2 ) to lead.
  • the fastening means 14 comprise a fastening bracket 17 made, for example, from steel material, on which on the one hand in the manner described below, the guide units are pivotably mounted and on the other hand is attached to the housing, in particular to the rear wall.
  • the guide units 13a, 13b each have a guide linkage 18a, 18b consisting of several guide arms, which can be moved in the manner of an accordion and thereby guides the load carrier between the operating position 15 and the pull-out position 16.
  • two guide units 13a, 13b are provided, each consisting of guide arms and each having a guide linkage 18a, 18b, the guide linkage together forming a kind of accordion guide.
  • the guide rods 18a, 18b each have two swivel arms 19a, 19b; 20a, 20b, of which a first pivot arm 19a, 20a pivots about a first pivot axis 21 on the housing side and a second pivot arm 19b, 20b pivots about a pivot axis 22 ( figure 2 ) is pivoted.
  • the housing-side pivot axes 21 of the two guide rods 18a, 18b are located on the mounting bracket 17, in particular on a horizontally aligned mounting leg 23 of the mounting bracket 17 there.
  • the two pivot axes 19a, 19b; 20a, 20b of a respective guide linkage 18a, 18b are pivotally connected to one another via a third pivot axis 24, which can also be referred to as connecting joints.
  • a third pivot axis 24 can also be referred to as connecting joints.
  • the two swivel arms 19a, 19b; 20a, 20b each have a toggle lever.
  • each guide linkage 18a, 18b has an upper pivot arm pair and a lower one Pivot arm pair.
  • the swivel arm pairs each consist of a first and a second swivel arm 19a, 19b; 20a, 20b.
  • the two pairs of pivoting arms of a respective guide linkage 18a, 18b are connected to one another by three vertical struts 25, 26, 27.
  • the first vertical strut 25 is located in the area of the first pivot axis 21 on the housing side and thus forms a pivot axis body.
  • the second vertical strut 26 is located in the area of the connecting joint or the third pivot axis 24 and the third vertical strut 27 in the area of the second pivot axis on the goods carrier side, where it forms a pivot axis body. Due to the two pairs of swivel arms and the vertical struts, a respective guide linkage 18a, 18b forms a type of door leaf (without a door leaf) in the manner of a folding door. As in particular in figure 1 shown, the guide units 13a, 13b, in particular the guide linkages 18a, 18b, are coupled to the load carrier 12 by means of a coupling device 28 belonging to the guide device 11.
  • the coupling device 28 has a bulkhead 29, which could also be referred to as a double rear wall.
  • the bulkhead 29 is movably mounted by means of the guide units 13a, 13b between an operating position located in the area of the rear wall of the housing and a closed position pulled out in the area of the housing opening.
  • the second pivot axes 22 on the goods carrier side are located in the area of the bulkhead 29.
  • the guide device 11 also includes a locking device 30 assigned to the guide units 13a, 13b, which is designed to releasably lock the load carrier 12 in the pulled-out position 16.
  • the locking device 30 is designed in such a way that when the extended position 16 of the load carrier 12 reaches a locking operating state either automatically or with the aid of pull-out means.
  • the locking device 30 has a first locking element in the form of a locking projection 31 and a second locking element in the form of a locking notch 32 .
  • Locking projection and locking notch 31, 32 are in the pulled-out position engaged with each other while they are out of the pulled-out position 16 disengaged with each other.
  • One of the locking elements in the example shown the locking notch 32, is arranged on a locking component 33 which is separate from the guide units 13a, 13b and which can be moved along with the movement of the guide units 13a, 13b in such a way that the locking element arranged on it, when it is moved into the pulled-out position 16 in Engagement with the other locking element, so the locking projection 31 passes.
  • the locking component 33 is designed as a locking rod, which is pivoted at one end about a rod pivot axis 34 on the goods carrier side, ie on the bulkhead 29, and is equipped at the other end with the locking element in the form of the locking notch.
  • the locking notch 32 is on the locking rod, while the locking projection 31 is on one of the guide rods 18a.
  • the locking bar is a flat, elongated component.
  • the locking bar has a longitudinal slot 36 aligned in its longitudinal direction 35, which is formed by the locking projection 31 is interspersed and which is guided along the locking projection 31 in the superimposed pivoting movement of the locking rod on the one hand and the guide linkage 18a on the other.
  • the longitudinal slot 36 extends from the free end of the locking rod towards the rear end of the locking rod which is equipped with the rod pivot axis 34 .
  • the longitudinal slot 36 expediently does not extend over the entire length of the locking bar but, for example, only over a third, in particular a quarter of the length of the locking bar.
  • the locking notch 32 is turned into the course of the longitudinal slot 36 .
  • the longitudinal slot 36 has a constriction 37, which is formed by two opposite locking projections 38a, 38b, each projecting into the interior of the longitudinal slot 36.
  • the locking notch 32 which could also be referred to as a locking receptacle or locking opening, extends in the longitudinal direction following the constriction in the direction of the rear end of the rod.
  • the locking projection 31 is located on one of the guide rods 18a in the example shown.
  • the locking projection 31 is expediently an extension of the connecting joint between the swivel arms 19a, 19b of the upper swivel arm pair.
  • the swivel arms 19a, 19b; 20a, 20b can each be designed as tubes, for example square tubes.
  • the locking projection 31 protrudes upwards from one of the swivel arms, in particular from the rear swivel arm 19a on the housing side.
  • the locking projection 31 is formed in the example shown as a kind of button having a neck portion 39 which passes through the longitudinal slot 36 on the locking rod, so that the Longitudinal slot 36 can move relative to the locking projection 31.
  • the neck section 39 of the locking projection 31 is adjoined by a head section 40 whose cross section is larger than the cross section of the longitudinal slot 36 and ensures that the locking rod cannot be levered out from the locking projection 31 in the vertical direction.
  • the door of the oven In order to gain access to the food to be cooked on the food carrier, the door of the oven, in particular the flap, is opened. Thereafter, by handling the food carrier itself, it is pulled out of the housing opening of the oven housing, with the guide linkage ensuring that the bulkhead together with the food carrier is shifted forward.
  • the load carrier is thus moved from the pushed-in operating position 15 into the pulled-out position 16 by means of the guide units 13a, 13b.
  • the locking rod and associated guide linkage 18a are pivoted relative to each other. As in figure 1 shown, the locking projection 31 is initially at the front end of the longitudinal slot.
  • the locking projection 31 When the food support is pulled out, the locking projection 31 is displaced in the direction of the constriction 37 and then automatically snaps into the locking notch 32 via the two locking projections 38 in the intended pull-out position.
  • the two locking projections prevent an unintentional return movement in the direction of the operating position, for example as a result of handling the food to be cooked on the food support.
  • the return movement requires a defined force to be applied by the user so that the neck section 39 of the locking projection snaps back over the locking projections 38 so that a further movement or retraction movement into the operating position 15 is possible.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vending Machines For Individual Products (AREA)
  • Knitting Machines (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Handcart (AREA)

Description

Die Erfindung betrifft eine Führungsvorrichtung zur Führung eines Gutträgers in einem Gehäuse, mit wenigstens zwei Führungseinheiten, die jeweils mit Querabstand zueinander einerseits am Gehäuse befestigbar und andererseits an den Gutträger koppelbar sind und die den Gutträger durch eine Verfahrbewegung zwischen einer eingeschobenen Betriebsposition und einer mindestens teilweise aus dem Gehäuse herausgezogenen Ausziehposition führen.The invention relates to a guide device for guiding a load carrier in a housing, with at least two guide units which can each be fastened to the housing at a transverse distance from one another and which can be coupled to the load carrier and which move the load carrier by a movement between an inserted operating position and an at least partially extended position lead to the housing pulled-out position.

Es ist aus der gattungsbildenden DE 20 2012 104 877 U1 bekannt, eine Führungsvorrichtung zur Führung eines Gutträgers in einem Gehäuse eines Backofens zu verwenden. Es befinden sich an den einander gegenüberliegenden Seitenwänden des Gehäuses Einschubleisten, die zu Halterung eines Gutträgers, beispielsweise in Form eines Backblechs oder Gitterrosts dienen. Zum Entnehmen des Gutträgers aus dem Gehäuse ist es notwendig, diesen an einer Vorderkante zu fassen und ihn aus dem Gehäuse herauszuziehen. Die Führungsvorrichtung zur Führung des Gutträgers ist einerseits am Gehäuse befestigt und andererseits an den Gutträger gekoppelt und führt den Gutträger bei einer Verfahrbewegung zwischen der Betriebsposition und der Ausziehposition. Die Führungsvorrichtung ist insgesamt als Ausziehführung ausgestaltet, mit einer am Gehäuse des Backofens befestigten Grundschiene und einer diesbezüglich linear beweglich geführten Auszugsschiene.It is from the generic DE 20 2012 104 877 U1 known to use a guide device for guiding a load carrier in a housing of an oven. There are on the opposite side walls of the housing slide-in strips, which are used to hold an item carrier, for example in the form of a baking tray or grating. In order to remove the product carrier from the housing, it is necessary to grasp it at a front edge and to pull it out of the housing. The guide device for guiding the load carrier is fastened to the housing on the one hand and coupled to the load carrier on the other hand and guides the load carrier during a displacement movement between the operating position and the pulled-out position. The guide device is designed overall as a pull-out guide, with a base rail attached to the housing of the baking oven and a pull-out rail that is linearly movable in relation thereto.

In der Ausziehposition des Gutträgers kann es bei herkömmlichen Führungen in Form von Einschubleisten oder separaten Führungsvorrichtungen vorkommen, dass der Gutträger unbeabsichtigt ein Stück weit wieder in Richtung eingeschobener Betriebsposition bewegt wird. Dies kann beispielsweise beim Umrühren von auf dem Gutträger befindlichem Gargut auftreten.With conventional guides in the form of slide-in rails or separate guide devices, in the pulled-out position of the load carrier, it can happen that the load carrier is unintentionally moved a little way back in the direction of the inserted operating position. This can occur, for example, when stirring the food to be cooked on the food carrier.

Das Problem der ungewollten Rückbewegung des Gutträgers in der Ausziehposition tritt sowohl bei herkömmlichen Führungsvorrichtungen in Form von Einschubleisten auf, jedoch ist dieses Problem dort nicht so ausprägt, wie bei separaten Führungsvorrichtungen, die unabhängig von den Seitenwänden des Gehäuses bewegt werden.The problem of the unwanted return movement of the load carrier in the pull-out position occurs both with conventional guide devices in the form of slide-in strips, but this problem is not as pronounced there as with separate guide devices that are moved independently of the side walls of the housing.

Die DE 20 2014 104 795 U1 offenbart eine Vorrichtung zur Bewegungsführung eines Schubelements. Die Vorrichtung umfasst eine Trägerschiene, die an der Seitenwand eines Backofens ortsfest befestigt ist. Ferner ist eine Auszugsschiene vorgesehen, die linear beweglich an der Trägerschiene geführt ist und an der ein Gargutträger befestigt werden kann.the DE 20 2014 104 795 U1 discloses a device for guiding the movement of a pusher element. The device includes a support rail that is fixed in place on the side wall of an oven. Furthermore, a pull-out rail is provided, which is guided in a linearly movable manner on the support rail and to which a food support can be attached.

Die EP 2 645 003 A1 offenbart ein Gargutträger für ein Gargerät mit einem Aufnahmebereich für das Gargut sowie einen in Einschieberichtung seitlich angeordneten Haltbereich für den Eingriff in eine Gargutträgeraufnahme, wobei der Haltebereich zumindest eine Ausformung mit zumindest einer ersten Flanke mit einem ersten Flankenwinkel und einer zweiten Flanke mit einem zweiten Flankenwinkel zum Eingriff in die Gargutträgeraufnahme aufweist.the EP 2 645 003 A1 discloses a food support for a cooking appliance with a receiving area for the food to be cooked and a holding area arranged laterally in the direction of insertion for engaging in a food support seat, the holding area having at least one formation with at least a first flank with a first flank angle and a second flank with a second flank angle Engaging in the food support receptacle.

Die DE 102 43 551 A1 offenbart ein Gargerät, mit einem in einer Ofenmuffel an einem Parallelogramm-Schwenkmechanismus geführten Halteelement zur Aufnahme und Halterung wenigstens einer Gargutauflage. Das Halteelement ist mittels des Parallelogramm-Schwenkmechanismus zwischen einer Garposition in der Ofenmuffel und einer zumindest teilweise vor dieser liegenden Entnahmeposition bewegbar. In der Entnahmeposition kann eine Rastposition vorgesehen sein.the DE 102 43 551 A1 discloses a cooking appliance with a holding element guided in an oven muffle on a parallelogram pivoting mechanism for receiving and holding at least one item to be cooked. The holding element is by means of the parallelogram pivoting mechanism movable between a cooking position in the oven muffle and a removal position lying at least partially in front of this. A latching position can be provided in the removal position.

Die NZ 543 764 A offenbart einen Backofen, mit einem Schubkasten, der bei Handhabung einer Frontblende aus dem Backofen herausgezogen werden kann. Im Schubkasten ist ein Gargutträger gelagert, der beim Ausziehen des Schubkastens mit herausgezogen wird. In der Ausziehposition des Schubkastens wird der verbleibende Innenraum des Backofens durch eine dann ausgefaltete Abdeckung gegenüber einer Hitzequelle, die oberhalb der Faltabdeckung angeordnet ist, geschützt.the NZ 543 764 A discloses an oven with a drawer that can be pulled out of the oven when handling a front panel. A food support is stored in the drawer and is pulled out when the drawer is pulled out. When the drawer is in the pulled-out position, the remaining interior of the oven is protected from a heat source, which is arranged above the folding cover, by a cover that is then folded out.

Die DE 10 2004 032 250 A1 befasst sich mit einem Lacktürhalter im Karosseriebau von Kraftfahrzeugen. Der Lacktürhalter dient zum Arretieren einer an einer Kraftfahrzeug-Rohkarosse montierten Rohbautür in einer zumindest teilweise geöffneten Schwenklage. Der Lacktürhalter besitzt einen U-förmigen in eine zargenseitige Aufnahmeöffnung der Rohbautür einschiebbaren Federbügel mit im Bereich der Schenkelenden angeordneten, unter der Spreizkraftwirkung des Federbügels diesen in der Einschublage formschlüssig mit der Aufnahmeöffnung verkoppelnden Rastkerben.the DE 10 2004 032 250 A1 deals with a paint door holder in the body construction of motor vehicles. The lacquered door holder is used to lock a body shell door mounted on a motor vehicle body shell in an at least partially open pivoted position. The lacquered door holder has a U-shaped spring clip which can be inserted into a frame-side receiving opening of the shell door and has notches arranged in the region of the leg ends and under the effect of the spring clip's expanding force which positively couples it to the receiving opening in the inserted position.

Die EP 1 344 985 A1 offenbart einen Backofen und Backofen-Backwagen, wobei der Backwagen eine Teleskopvorrichtung mit einem bewegbaren Teleskopteil aufweist, der zur Aufnahme von mindestens einem Gargutträger ausgebildet ist und von einer Parkposition hinter einer Wagenfrontwand in eine Querversatzposition seitlich über die Wagenfront hinaus bewegbar ist.the EP 1 344 985 A1 discloses an oven and baking oven trolley, the baking trolley having a telescopic device with a movable telescopic part which is designed to accommodate at least one food support and can be moved laterally beyond the front of the trolley from a parking position behind a front wall of the trolley into a transverse offset position.

Die EP 1 750 061 A2 offenbart eine Hausgeräte-Auszugsvorrichtung, die Rastvorrichtung zur Lagefixierung von Schlitteneinheiten in der Endstellung im ausgefahrenen Zustand aufweist. Die Rastvorrichtungen weisen jeweils an Lagerschienen angeordnete Rasteinheiten auf, die zur Auslegung durch die Lagereinheiten vorgesehen sind.the EP 1 750 061 A2 discloses a home appliance pull-out device, the locking device for fixing the position of Having carriage units in the end position in the extended state. The latching devices each have latching units which are arranged on bearing rails and are intended to be laid out by the bearing units.

Aufgabe der Erfindung ist es daher, eine Führungsvorrichtung der eingangs erwähnten Art zu schaffen, mit der ein an die Führungsvorrichtung angekoppelter Gutträger in der Ausziehposition zuverlässig positioniert ist und mit der sich insbesondere die vorstehend erwähnten Nachteile vermeiden lassen.The object of the invention is therefore to provide a guide device of the type mentioned at the outset, with which a product carrier coupled to the guide device is reliably positioned in the extended position and with which the above-mentioned disadvantages in particular can be avoided.

Diese Aufgabe wird mit einer Führungsvorrichtung mit den Merkmalen des unabhängigen Anspruchs 1 gelöst. Weiterbildungen der Erfindung sind in den Unteransprüchen dargestellt.This object is achieved with a guiding device having the features of independent claim 1 . Further developments of the invention are presented in the dependent claims.

Die erfindungsgemäße Führungsvorrichtung zeichnet sich dadurch aus, dass die Kopplungseinrichtung eine Schottwand aufweist, die mittels der Führungseinheiten zwischen einer im Bereich der Rückwand befindlichen Betriebsposition und einer in den Bereich der Gehäuseöffnung herausgezogenen Verschlussposition beweglich gelagert ist, wobei das Arretier-Bauteil als Arretierstange ausgebildet ist, die einerseits um eine Stangen-Schwenkachse schwenkbar gelagert ist und andernends mit dem Arretierelement in Form einer Arretierkerbe ausgestattet ist, wobei das andere Arretierelement in Form eines Arretiervorsprungs an einem der Führungsgestänge ausgebildet ist und durch die Arretierstange und das zugeordnete Führungsgestänge bei der Verfahrbewegung eine sich überlagernde Schwenkbewegung ausführbar ist, die beim Einfahren in die herausgezogene Ausziehposition ein Einrasten des Arretiervorsprungs in die Arretierkerbe bewirkt, und wobei die Stangen-Schwenkachse an der Schottwand sitzt.The guiding device according to the invention is characterized in that the coupling device has a bulkhead which is movably mounted by means of the guiding units between an operating position located in the area of the rear wall and a closed position pulled out into the area of the housing opening, the locking component being designed as a locking rod, which on the one hand is mounted pivotably about a rod pivot axis and on the other end is equipped with the locking element in the form of a locking notch, the other locking element being in the form of a locking projection on one of the guide rods and by the locking rod and the associated guide rod during the movement an overlaying Pivoting movement can be carried out, which causes the locking projection to engage in the locking notch when retracted into the pulled-out position, and the rod pivot axis is seated on the bulkhead.

Damit lässt sich der Gutträger in der Ausziehposition positionsfest sichern, womit auch in der Ausziehposition am Gutträger, beispielsweise an dem darauf befindlichen Gargut, gehandhabt werden kann ohne dass eine unbeabsichtigte Verfahrbewegung der Führungseinrichtung das Handhaben stört.The load carrier can thus be secured in a fixed position in the pulled-out position, which means that handling can also be carried out in the pulled-out position on the load carrier, for example the food to be cooked on it, without an unintentional movement of the guide device interfering with the handling.

Bei einer Weiterbildung der Erfindung ist die Arretiervorrichtung derart ausgebildet, dass sie beim Erreichen der Ausziehposition des Gutträgers in einen arretierenden Betriebszustand gelangt. Der arretierende Betriebszustand kann beispielsweise selbstständig beim Einfahren in die Ausziehposition eingenommen werden. Alternativ ist es jedoch auch möglich, dass der arretierende Betriebszustand mit Hilfe von Auszugsmitteln, beispielsweise einer Feder, eingenommen wird.In a further development of the invention, the locking device is designed in such a way that it enters a locking operating state when the load carrier reaches the pulled-out position. The locking operating state can, for example, be assumed automatically when moving into the extended position. Alternatively, however, it is also possible for the locking operating state to be assumed with the aid of extension means, for example a spring.

Bei einer Weiterbildung der Erfindung weist die Arretiervorrichtung ein erstes Arretierelement und ein zweites Arretierelement auf, die in der herausgezogenen Ausziehposition in Eingriff miteinander stehen und außerhalb der Ausziehposition außer Eingriff miteinander stehen.In a further development of the invention, the locking device has a first locking element and a second locking element which are in engagement with one another in the pulled-out position and are out of engagement with one another outside of the pulled-out position.

In besonders bevorzugter Weise ist das erste Arretierelement als Arretiervorsprung und das zweite Arretierelement als Arretierkerbe ausgebildet oder umgekehrt.In a particularly preferred manner, the first locking element is designed as a locking projection and the second locking element is designed as a locking notch, or vice versa.

Eines der Arretierelemente ist an einem von der Führungseinheit separaten Arretier-Bauteil angeordnet, das bei der Verfahrbewegung der Führungseinheit derart mit bewegbar ist, dass das daran angeordnete Arretierelement beim Einfahren in die herausgezogene Ausziehposition in Eingriff mit dem anderen Arretierelement gelangt.One of the locking elements is arranged on a locking component which is separate from the guide unit and which can be moved during the movement of the guide unit in such a way that the locking element arranged on it engages with the other locking element when it is moved into the pulled-out position.

Es ist beispielsweise möglich, dass der Arretiervorsprung an der Führungseinheit und die Arretierkerbe am separaten Arretier-Bauteil ausgebildet sind. Selbstverständlich wäre es auch möglich, den Arretiervorsprung am separaten ArretierBauteil und die Arretierkerbe an der Führungseinheit auszubilden.It is possible, for example, that the locking projection is on the guide unit and the locking notch is on the separate locking component are trained. Of course, it would also be possible to form the locking projection on the separate locking component and the locking notch on the guide unit.

In besonders bevorzugter Weise weisen die Führungseinheiten jeweils ein aus mehreren Führungsarmen bestehendes Führungsgestänge auf, das nach Art einer Ziehharmonika beweglich ist und dabei den Gutträger zwischen der Betriebs- und der Ausziehposition führt. Es ist möglich, dass die Führungsarme als schwenkbar miteinander verbundene, um korpusseitige und/oder gutträgerseitige Schwenkachsen schwenkbare Schwenkarme ausgebildet sind.In a particularly preferred manner, the guide units each have a guide linkage consisting of a plurality of guide arms, which can be moved in the manner of an accordion and thereby guides the load carrier between the operating position and the extended position. It is possible for the guide arms to be in the form of pivot arms which are pivotably connected to one another and are pivotable about pivot axes on the body side and/or on the load carrier side.

In besonders bevorzugter Weise weisen die Führungsgestänge jeweils zwei Schwenkarme auf, von denen ein erster Schwenkarm um eine gehäuseseitige erste Schwenkachse und ein zweiter Schwenkarm um eine gutträgerseitige zweite Schenkachse schwenkbar gelagert ist und wobei die beiden Schwenkarme über ein Verbindungsgelenk schwenkbar miteinander verbunden sind.In a particularly preferred manner, the guide linkages each have two swivel arms, of which a first swivel arm is swivel-mounted around a first swivel axis on the housing side and a second swivel arm is swivel-mounted around a second pivot axis on the goods carrier side, and the two swivel arms are pivotally connected to one another via a connecting joint.

Die Führungseinheiten sind mittels einer zur Führungsvorrichtung gehörenden Kopplungseinrichtung mit dem Gutträger gekoppelt.The guide units are coupled to the load carrier by means of a coupling device belonging to the guide device.

Die Kopplungseinrichtung weist eine Schottwand auf, die mittels der Führungseinheiten zwischen einer im Bereich der Rückwand befindlichen Betriebsposition und einer in den Bereich der Gehäuseöffnung herausgezogenen Verschlussposition beweglich gelagert ist. Die Schottwand könnte auch als doppelte Rückwand bezeichnet werden.The coupling device has a bulkhead which is movably mounted by means of the guide units between an operating position located in the area of the rear wall and a closed position pulled out into the area of the housing opening. The bulkhead could also be referred to as a double back wall.

Das Arretier-Bauteil ist als Arretierstange ausgebildet, die einenends um eine Stangen-Schwenkachse schwenkbar gelagert ist und andererseits mit dem Arretierelement, insbesondere der Arretierkerbe ausgestattet ist, wobei das andere Arretierelement, insbesondere der Arretiervorsprung, an einem der Führungsgestänge ausgebildet ist und durch die Arretierstange und das zugeordnete Führungsgestänge bei der Verfahrbewegung eines sich überlagernde Schwenkbewegung ausführbar ist, die beim Einfahren in die herausgezogene Ausziehposition ein Einrasten des Arretiervorsprungs in die Arretierkerbe bewirkt.The locking component is designed as a locking rod, which is pivoted at one end about a rod pivot axis and is equipped with the locking element, in particular the locking notch, on the other hand, the other locking element, in particular the locking projection, being formed on one of the guide rods and through the locking rod and the associated guide linkage can be carried out during the displacement movement of a superimposed pivoting movement, which causes the locking projection to engage in the locking notch when it is moved into the pulled-out position.

Die Stangen-Schwenkachse befindet sich an der Schottwand.The rod pivot axis is located on the bulkhead.

Bei einer Weiterbildung der Erfindung weist die Arretierstange einen in dessen Längsrichtung ausgerichteten Längsschlitz auf, der von dem Arretiervorsprung durchsetzt ist und der entlang des Arretiervorsprungs bei der sich überlagernden Schwenkbewegung von Arretierstange im Führungsgestänge geführt ist, wobei eine der Stangen-Schwenkachse zugeordnetes hinteres Ende des Längsschlitzes mit der Arretierkerbe ausgestattet ist.In a development of the invention, the locking rod has a longitudinal slot aligned in its longitudinal direction, through which the locking projection passes and which is guided along the locking projection during the overlapping pivoting movement of the locking rod in the guide linkage, with a rear end of the longitudinal slot assigned to the rod pivot axis equipped with the locking notch.

Es ist möglich, dass der Arretiervorsprung als Verlängerung des Verbindungsgelenks ausgebildet ist und von einer Oberseite des Führungsgestänges nach oben absteht. Prinzipiell wäre es jedoch auch möglich, das Arretierbauteil, insbesondere die Arretierstange unterhalb des zugeordneten Führungsgestänges anzuordnen, wobei dann der Arretiervorsprung von einer Unterseite des Führungsgestänges nach unten absteht.It is possible that the locking projection is designed as an extension of the connecting joint and protrudes upwards from an upper side of the guide linkage. In principle, however, it would also be possible to arrange the locking component, in particular the locking rod, below the associated guide linkage, with the locking projection then protruding downward from an underside of the guide linkage.

Die Erfindung erfasst ferner eine Erhitzungsvorrichtung, insbesondere Ofen, mit einem einen aufheizbaren Innenraum umschließenden Gehäuse, wobei der Innenraum rückseitig von einer Rückwand und vorderseitig von einer Tür begrenzt ist, die in einer Schließstellung einen Zugang zu dem Innenraum gestattenden Gehäuseöffnung verschließt, wobei im Gehäuse wenigstens ein nach dem Öffnen der Tür aus dem Gehäuse entnehmbaren Gutträger für zu erhitzendes Gut aufgenommen ist, gekennzeichnet durch eine Führungsvorrichtung nach einem der Ansprüche 1 bis 8.The invention also covers a heating device, in particular an oven, with an interior space that encloses a heatable space Housing, wherein the interior is delimited at the rear by a rear wall and at the front by a door which, in a closed position, closes access to the housing opening allowing access to the interior, wherein at least one item carrier for items to be heated, which can be removed from the housing after the door is opened, is accommodated in the housing is characterized by a guide device according to one of Claims 1 to 8.

Ein bevorzugtes Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im Folgenden näher erläutert.A preferred embodiment of the invention is shown in the drawing and is explained in more detail below.

In der Zeichnung zeigen:

Figur 1
eine perspektivische Darstellung auf ein bevorzugtes Ausführungsbeispiel der erfindungsgemäßen Führungsvorrichtung,
Figur 2
eine Draufsicht auf die Führungsvorrichtung von Figur 1 in der herausgezogenen, arretierten Ausziehposition und
Figur 3
eine perspektivische Darstellung im vergrößerten Maßstab der Arretiervorrichtung von Figur 1.
Show in the drawing:
figure 1
a perspective view of a preferred embodiment of the guide device according to the invention,
figure 2
a plan view of the guide device of Figure 1 in the pulled, locked pull-out position and
figure 3
a perspective view on an enlarged scale of the locking device of FIG figure 1 .

Die Figuren 1 bis 3 zeigen ein bevorzugtes Ausführungsbeispiel der erfindungsgemäßen Führungsvorrichtung 11 beim Einsatz an einer Erhitzungsvorrichtung in Form eines Backofens. Es wäre auch denkbar, die Führungsvorrichtung 11 in anderen Erhitzungsvorrichtungen einzusetzen, beispielsweise in einen Dampfgarer oder einer Mikrowelle.the Figures 1 to 3 show a preferred embodiment of the guide device 11 according to the invention when used on a heating device in the form of an oven. It would also be conceivable to use the guide device 11 in other heating devices, for example in a steam cooker or a microwave.

Im Folgenden wird die erfindungsgemäße Führungsvorrichtung jedoch am Beispielsfall Backofen erläutert. Der Backofen besitzt ein Gehäuse (nicht dargestellt), das beispielweise quaderförmig ausgebildet sein kann.In the following, however, the guide device according to the invention is explained using the example of an oven. The oven owns a housing (not shown), which can be cuboid, for example.

Das Gehäuse umschließt einen aufheizbaren Innenraum (nicht dargestellt), der rückseitig von einer Rückwand (nicht dargestellt) und vorderseitig von einer Tür (nicht dargestellt) begrenzt ist.The housing encloses a heatable interior (not shown), which is delimited at the rear by a rear wall (not shown) and at the front by a door (not shown).

Die Tür verschließt in einer Schließstellung einen Zugang zu dem Innenraum. Zweckmäßigerweise ist die Tür als Klappe ausgebildet und lässt sich beim Öffnen nach vorne unten wegklappen.In a closed position, the door closes access to the interior. The door is expediently designed as a flap and can be folded away towards the front and down when it is opened.

Ferner besitzt das Gehäuse zwei einander gegenüberliegende Seitenwände (nicht dargestellt), einen Boden (nicht dargestellt) und einen diesem gegenüberliegende Oberwand (nicht dargestellt).The housing also has two opposite side walls (not shown), a bottom (not shown) and a top wall (not shown) opposite thereto.

Im Gehäuse ist wenigstens ein nach dem Öffnen der Tür aus dem Gehäuse entnehmbarer Gutträger 12 zur Erhitzung von Gut aufgenommen. Im Beispielsfall Backofen ist der Gutträger als Gargutträger ausgebildet, beispielsweise in Form eines Backblechs oder Gitterrosts.At least one item carrier 12 for heating items, which can be removed from the housing after the door is opened, is accommodated in the housing. In the example of an oven, the product support is designed as a product support, for example in the form of a baking tray or grating.

Wie insbesondere in den Figuren 1 und 2 gezeigt, besitzt die Führungsvorrichtung 11 zwei Führungseinheiten 13a, 13b, die jeweils mit Querabstand zueinander einerseits über Befestigungsmittel 14 am Gehäuse befestigt und andererseits an den Gutträger 12 angekoppelt sind und die den Gutträger 12 durch eine Verfahrbewegung zwischen einer eingeschobenen Betriebsposition 15 (Figur 1) und einer zumindest teilweise aus dem Gehäuse herausgezogenen Ausziehposition 16 (Figur 2) führen. Die Befestigungsmittel 14 umfassen eine beispielsweise aus Stahlmaterial gefertigte Befestigungskonsole 17, an der einerseits in nachfolgend noch beschriebener Weise die Führungseinheiten schwenkbar gelagert sind und die andererseits am Gehäuse, insbesondere an der Rückwand, befestigt ist.As in particular in the figures 1 and 2 shown, the guide device 11 has two guide units 13a, 13b, which are each attached at a transverse distance from one another on the one hand via fastening means 14 on the housing and on the other hand are coupled to the goods carrier 12 and which move the goods carrier 12 by a displacement movement between an inserted operating position 15 ( figure 1 ) and a pull-out position 16 ( figure 2 ) to lead. The fastening means 14 comprise a fastening bracket 17 made, for example, from steel material, on which on the one hand in the manner described below, the guide units are pivotably mounted and on the other hand is attached to the housing, in particular to the rear wall.

Wie insbesondere in Figur 1 gezeigt, weisen die Führungseinheiten 13a, 13b jeweils eine aus mehreren Führungsarmen bestehendes Führungsgestänge 18a, 18b auf, das nach Art einer Ziehharmonika beweglich ist und dabei den Gutträger zwischen der Betriebsposition 15 und der Ausziehposition 16 führt.As in particular in figure 1 shown, the guide units 13a, 13b each have a guide linkage 18a, 18b consisting of several guide arms, which can be moved in the manner of an accordion and thereby guides the load carrier between the operating position 15 and the pull-out position 16.

Im gezeigten Beispielsfall sind zwei Führungseinheiten 13a, 13b vorgesehen, die jeweils aus Führungsarmen bestehen und jeweils ein Führungsgestänge 18a, 18b aufweisen, wobei die Führungsgestänge gemeinsam eine Art Ziehharmonika-Führung bilden.In the example shown, two guide units 13a, 13b are provided, each consisting of guide arms and each having a guide linkage 18a, 18b, the guide linkage together forming a kind of accordion guide.

Wie insbesondere in Figur 1 gezeigt, weisen die Führungsgestänge 18a, 18b jeweils zwei Schwenkarme 19a, 19b; 20a, 20b auf, von denen ein erster Schwenkarm 19a, 20a um eine gehäuseseitige erste Schwenkachse 21 und ein zweiter Schwenkarm 19b, 20b um eine gutträgerseitige Schwenkachse 22 (Figur 2) schwenkbar gelagert ist. Im gezeigten Beispielsfall befinden sich die gehäuseseitige Schwenkachsen 21 der beiden Führungsgestänge 18a, 18b an der Befestigungskonsole 17, insbesondere an einem dort waagrecht ausgerichteten Befestigungsschenkel 23 der Befestigungskonsole 17. Die beiden Schwenkachsen 19a, 19b; 20a, 20b eines jeweiligen Führungsgestänges 18a, 18b sind über eine dritte Schwenkachse 24, die auch als Verbindungsgelenke bezeichnet werden können, schwenkbar miteinander verbunden. Dadurch bilden die beiden Schwenkarme 19a, 19b; 20a, 20b jeweils einen Kniehebel.As in particular in figure 1 shown, the guide rods 18a, 18b each have two swivel arms 19a, 19b; 20a, 20b, of which a first pivot arm 19a, 20a pivots about a first pivot axis 21 on the housing side and a second pivot arm 19b, 20b pivots about a pivot axis 22 ( figure 2 ) is pivoted. In the example shown, the housing-side pivot axes 21 of the two guide rods 18a, 18b are located on the mounting bracket 17, in particular on a horizontally aligned mounting leg 23 of the mounting bracket 17 there. The two pivot axes 19a, 19b; 20a, 20b of a respective guide linkage 18a, 18b are pivotally connected to one another via a third pivot axis 24, which can also be referred to as connecting joints. As a result, the two swivel arms 19a, 19b; 20a, 20b each have a toggle lever.

Wie insbesondere in Figur 1 gezeigt, besitzt jedes Führungsgestänge 18a, 18b ein oberes Schwenkarm-Paar und ein unteres Schwenkarm-Paar. Die Schwenkarm-Paare bestehen jeweils aus einem ersten und einem zweiten Schwenkarm 19a, 19b; 20a, 20b. Die beiden Schwenkarm-Paare eines jeweiligen Führungsgestänges 18a, 18b sind durch drei Vertikalstreben 25, 26, 27 miteinander verbunden. Die erste Vertikalstrebe 25 befindet sich im Bereich der gehäuseseitigen ersten Schwenkachse 21 und bildet somit einen Schwenkachskörper. Die zweite Vertikalstrebe 26 befindet sich im Bereich des Verbindungsgelenks beziehungsweise der dritten Schwenkachse 24 und die dritte Vertikalstrebe 27 im Bereich der gutträgerseitigen zweiten Schwenkachse und bildet dort einen Schwenkachskörper. Durch die beiden Schwenkarm-Paare und die Vertikalstreben bildet ein jeweiliges Führungsgestänge 18a, 18b eine Art Türflügel (ohne Türblatt) nach Art einer Falttür. Wie insbesondere in Figur 1 gezeigt, sind die Führungseinheiten 13a, 13b insbesondere die Führungsgestänge 18a, 18b mittels einer zur Führungsvorrichtung 11 gehörenden Kopplungseinrichtung 28 mit dem Gutträger 12 gekoppelt. Die Kopplungseinrichtung 28 weist eine Schottwand 29 auf, die auch als doppelte Rückwand bezeichnet werden könnte. Die Schottwand 29 ist mittels der Führungseinheiten 13a, 13b zwischen einer im Bereich der Rückwand des Gehäuses befindlichen Betriebsposition und einer im Bereich der Gehäuseöffnung hinausgezogene Verschlussposition beweglich gelagert. Wie insbesondere in Figur 2 gezeigt, befinden sich die gutträgerseitigen zweiten Schwenkachsen 22 im Bereich der Schottwand 29.As in particular in figure 1 shown, each guide linkage 18a, 18b has an upper pivot arm pair and a lower one Pivot arm pair. The swivel arm pairs each consist of a first and a second swivel arm 19a, 19b; 20a, 20b. The two pairs of pivoting arms of a respective guide linkage 18a, 18b are connected to one another by three vertical struts 25, 26, 27. The first vertical strut 25 is located in the area of the first pivot axis 21 on the housing side and thus forms a pivot axis body. The second vertical strut 26 is located in the area of the connecting joint or the third pivot axis 24 and the third vertical strut 27 in the area of the second pivot axis on the goods carrier side, where it forms a pivot axis body. Due to the two pairs of swivel arms and the vertical struts, a respective guide linkage 18a, 18b forms a type of door leaf (without a door leaf) in the manner of a folding door. As in particular in figure 1 shown, the guide units 13a, 13b, in particular the guide linkages 18a, 18b, are coupled to the load carrier 12 by means of a coupling device 28 belonging to the guide device 11. The coupling device 28 has a bulkhead 29, which could also be referred to as a double rear wall. The bulkhead 29 is movably mounted by means of the guide units 13a, 13b between an operating position located in the area of the rear wall of the housing and a closed position pulled out in the area of the housing opening. As in particular in figure 2 shown, the second pivot axes 22 on the goods carrier side are located in the area of the bulkhead 29.

Die Führungsvorrichtung 11 umfasst ferner eine den Führungseinheiten 13a, 13b zugeordnete Arretiervorrichtung 30, die zur lösbaren Arretierung des Gutträgers 12 in der herausgezogenen Ausziehposition 16 ausgebildet ist.The guide device 11 also includes a locking device 30 assigned to the guide units 13a, 13b, which is designed to releasably lock the load carrier 12 in the pulled-out position 16.

Die Arretiervorrichtung 30 ist derart ausgebildet, dass sie beim Erreichen der Ausziehposition 16 des Gutträgers 12 selbsttätig oder mit Hilfe von Auszugsmitteln in einen arretierenden Betriebszustand gelangt.The locking device 30 is designed in such a way that when the extended position 16 of the load carrier 12 reaches a locking operating state either automatically or with the aid of pull-out means.

Die Arretiervorrichtung 30 weist ein erstes Arretierelement in Form eines Arretiervorsprungs 31 und ein zweites Arretierelement in Form einer Arretierkerbe 32 auf. Arretiervorsprung und Arretierkerbe 31, 32 stehen in der herausgezogenen Ausziehposition in Eingriff miteinander während sie außerhalb der Ausziehposition 16 außer Eingriff miteinander stehen.The locking device 30 has a first locking element in the form of a locking projection 31 and a second locking element in the form of a locking notch 32 . Locking projection and locking notch 31, 32 are in the pulled-out position engaged with each other while they are out of the pulled-out position 16 disengaged with each other.

Eines der Arretierelemente, im gezeigten Beispielsfall die Arretierkerbe 32 ist an einem von den Führungseinheiten 13a, 13b separaten Arretierbauteil 33 angeordnet, das bei der Verfahrbewegung der Führungseinheiten 13a, 13b derart mitbewegbar ist, dass das daran angeordnete Arretierelement beim Einfahren in die herausgezogene Ausziehposition 16 in Eingriff mit dem anderen Arretierelement, also den Arretiervorsprung 31 gelangt.One of the locking elements, in the example shown the locking notch 32, is arranged on a locking component 33 which is separate from the guide units 13a, 13b and which can be moved along with the movement of the guide units 13a, 13b in such a way that the locking element arranged on it, when it is moved into the pulled-out position 16 in Engagement with the other locking element, so the locking projection 31 passes.

Erfindungsgemäß ist das Arretier-Bauteil 33 als Arretierstange ausgebildet, die einenends um eine Stangen-Schwenkachse 34 gutträgerseitig, also an der Schottwand 29 schwenkbar gelagert ist und andernends mit dem Arretierelement in Form der Arretierkerbe ausgestattet ist.According to the invention, the locking component 33 is designed as a locking rod, which is pivoted at one end about a rod pivot axis 34 on the goods carrier side, ie on the bulkhead 29, and is equipped at the other end with the locking element in the form of the locking notch.

Im gezeigten Beispielsfall befindet sich also die Arretierkerbe 32 an der Arretierstange, während sich der Arretiervorsprung 31 an einem der Führungsgestänge 18a befindet.In the example shown, the locking notch 32 is on the locking rod, while the locking projection 31 is on one of the guide rods 18a.

Wie insbesondere die Figuren 1 und 3 zeigen, ist die Arretierstange ein flaches, länglich gestrecktes Bauteil. Die Arretierstange besitzt einen in deren Längsrichtung 35 ausgerichteten Längsschlitz 36, der von dem Arretiervorsprung 31 durchsetzt ist und der entlang des Arretiervorsprungs 31 bei der sich überlagernden Schwenkbewegung von Arretierstange einerseits und Führungsgestänge 18a andererseits geführt ist.Like those in particular figures 1 and 3 show, the locking bar is a flat, elongated component. The locking bar has a longitudinal slot 36 aligned in its longitudinal direction 35, which is formed by the locking projection 31 is interspersed and which is guided along the locking projection 31 in the superimposed pivoting movement of the locking rod on the one hand and the guide linkage 18a on the other.

Wie insbesondere in Figur 3 gezeigt, erstreckt sich der Längsschlitz 36 vom freien Ende der Arretierstange in Richtung des mit der Stangen-Schwenkachse 34 ausgestatteten hinteren Endes der Arretierstange. Der Längsschlitz 36 erstreckt sich zweckmäßigerweise nicht über die gesamte Länge der Arretierstange sondern beispielsweise nur über einem Drittel, insbesondere einem Viertel der Länge der Arretierstange. Die Arretierkerbe 32 ist in den Verlauf des Längsschlitzes 36 eingeschaltet.As in particular in figure 3 As shown, the longitudinal slot 36 extends from the free end of the locking rod towards the rear end of the locking rod which is equipped with the rod pivot axis 34 . The longitudinal slot 36 expediently does not extend over the entire length of the locking bar but, for example, only over a third, in particular a quarter of the length of the locking bar. The locking notch 32 is turned into the course of the longitudinal slot 36 .

Wie insbesondere in Figur 3 gezeigt, weist der Längsschlitz 36 eine Engstelle 37 auf, die durch zwei einander gegenüberliegende, jeweils ins Innere des Längsschlitzes 36 hineinragende Arretiervorsprünge 38a, 38b gebildet ist. In Längsrichtung anschließend an die Engstelle in Richtung zum hinteren Stangenende hin erstreckt sich die Arretierkerbe 32, die auch als Rastaufnahme oder Rastöffnung bezeichnet werden könnte.As in particular in figure 3 shown, the longitudinal slot 36 has a constriction 37, which is formed by two opposite locking projections 38a, 38b, each projecting into the interior of the longitudinal slot 36. The locking notch 32, which could also be referred to as a locking receptacle or locking opening, extends in the longitudinal direction following the constriction in the direction of the rear end of the rod.

Wie bereits erwähnt, befindet sich der Arretiervorsprung 31 im gezeigten Beispielsfall an einem der Führungsgestänge 18a. Zweckmäßigerweise ist der Arretiervorsprung 31 eine Verlängerung des Verbindungsgelenks zwischen den Schwenkarmen 19a, 19b des oberen Schwenkarm-Paares. Die Schwenkarme 19a, 19b; 20a, 20b können jeweils als Rohre, beispielsweise Vierkantrohre, ausgebildet sein. Der Arretiervorsprung 31 steht von einem der Schwenkarme, insbesondere vom gehäuseseitigen hinteren Schwenkarm 19a nach oben ab. Der Arretiervorsprung 31 ist im gezeigten Beispielsfall als eine Art Knopf ausgebildet, der einen Halsabschnitt 39 aufweist, der den Längsschlitz 36 an der Arretierstange durchsetzt, sodass der Längsschlitz 36 sich relativ zum Arretiervorsprung 31 bewegen kann. Zum freien Ende hin schließt an den Halsabschnitt 39 des Arretiervorsprungs 31 ein Kopfabschnitt 40 an, dessen Querschnitt größer als der Querschnitt des Längsschlitzes 36 ist und dafür sorgt, dass die Arretierstange in Höhenrichtung nicht vom Arretiervorsprung 31 ausgehebelt werden kann.As already mentioned, the locking projection 31 is located on one of the guide rods 18a in the example shown. The locking projection 31 is expediently an extension of the connecting joint between the swivel arms 19a, 19b of the upper swivel arm pair. The swivel arms 19a, 19b; 20a, 20b can each be designed as tubes, for example square tubes. The locking projection 31 protrudes upwards from one of the swivel arms, in particular from the rear swivel arm 19a on the housing side. The locking projection 31 is formed in the example shown as a kind of button having a neck portion 39 which passes through the longitudinal slot 36 on the locking rod, so that the Longitudinal slot 36 can move relative to the locking projection 31. Towards the free end, the neck section 39 of the locking projection 31 is adjoined by a head section 40 whose cross section is larger than the cross section of the longitudinal slot 36 and ensures that the locking rod cannot be levered out from the locking projection 31 in the vertical direction.

Um Zugriff auf das auf den Gargutträger befindliche Gargut zu erhalten, wird die Tür des Backofens insbesondere die Klappe geöffnet. Danach wird mittels Handhabung am Gargutträger selber dieser aus der Gehäuseöffnung des Gehäuses des Backofens herausgezogen, wobei das Führungsgestänge dafür sorgt, dass die Schottwand samt dem Gutträger nach vorne hin verlagert wird. Der Gutträger wird also von der eingeschobenen Betriebsposition 15 mittels der Führungseinheiten 13a, 13b in die herausgezogene Ausziehposition 16 verfahren. Dabei werden Arretierstange und zugeordnetes Führungsgestänge 18a relativ zueinander verschwenkt. Wie in Figur 1 gezeigt, befindet sich der Arretiervorsprung 31 zunächst am vorderen Ende des Längsschlitzes. Beim Herausziehen des Gargutträgers wird der Arretiervorsprung 31 in Richtung der Engstelle 37 verlagert und rastet dann in der vorgesehenen Ausziehposition selbstständig über die beiden Arretiervorsprünge 38 in die Arretierkerbe 32 ein. Eine ungewollte Rückbewegung in Richtung der Betriebsposition, beispielsweise durch Handhabung am Gargut des Gargutträgers wird durch die beiden Arretiervorsprünge verhindert. Die Rückbewegung erfordert eine durch den Benutzer aufzubringende definierte Kraft, sodass der Halsabschnitt 39 des Arretiervorsprungs wieder über die Arretiervorsprünge 38 zurückschnappt, sodass eine Weiterbewegung beziehungsweise Einfahrbewegung in die Betriebsposition 15 möglich ist.In order to gain access to the food to be cooked on the food carrier, the door of the oven, in particular the flap, is opened. Thereafter, by handling the food carrier itself, it is pulled out of the housing opening of the oven housing, with the guide linkage ensuring that the bulkhead together with the food carrier is shifted forward. The load carrier is thus moved from the pushed-in operating position 15 into the pulled-out position 16 by means of the guide units 13a, 13b. The locking rod and associated guide linkage 18a are pivoted relative to each other. As in figure 1 shown, the locking projection 31 is initially at the front end of the longitudinal slot. When the food support is pulled out, the locking projection 31 is displaced in the direction of the constriction 37 and then automatically snaps into the locking notch 32 via the two locking projections 38 in the intended pull-out position. The two locking projections prevent an unintentional return movement in the direction of the operating position, for example as a result of handling the food to be cooked on the food support. The return movement requires a defined force to be applied by the user so that the neck section 39 of the locking projection snaps back over the locking projections 38 so that a further movement or retraction movement into the operating position 15 is possible.

Claims (8)

  1. Guiding device for the guidance of a shelf (12) in a housing, with at least two guide units (13a, 13b), each of which may be, with lateral clearance from one another, on one side fastened to the housing and on the other side connected to the shelf (12), and which guide the shelf by means of a traversing movement between a pushed-in operating position (15) and a pulled-out position (16) at least partly withdrawn from the housing, wherein a locking mechanism (30) assigned to the guide units (13a, 13b) is provided and is designed for releasable locking of the shelf (12) in the withdrawn pulled-out position (16), wherein the locking mechanism (30) has a first locking element and a second locking element which, in the withdrawn pulled-out position (16), are engaged with one another and outside the pulled-out position (16) are disengaged from one another, wherein one of the locking elements is fitted to a locking component (33) separate from the guide unit (13a, 13b) and which, during the traversing movement of the guide unit (13a, 13b) is moved with it in such a way that the locking element attached to it comes into engagement with the other locking element, wherein the guide units (13a, 13b) are coupled to the shelf (12) by means of a coupling device (28) belonging to the guiding device, characterised in that the coupling device (28) has a bulkhead (29) which, by means of the guide units (13a, 13b), is movably mounted between an operating position (15) located in the area of the rear wall and a closed position withdrawn in the area of the housing opening, wherein the locking component (33) is in the form of a locking rod which on one side is pivotably mounted around a rod pivot axis (34) and on the other side is equipped with the locking element in the form of a locking notch (32), wherein the other locking element is made in the form of the locking projection (31) on one of the guide rod assemblies (18a) and, by means of the locking rod and the assigned guide rod assembly (18a), a superimposing pivoting movement may be made during the traversing movement, which on movement into the withdrawn pulled-out position (16) effects an engagement of the locking projection (31) into the locking notch (32), and wherein the rod pivot axis (34) rests on the bulkhead (29).
  2. Guiding device according to claim 1, characterised in that the locking mechanism (30) is so designed that, on reaching the pulled-out position (16) of the shelf (12), it comes into a locking operating condition.
  3. Guiding device according to any of the preceding claims, characterised in that the locking projection is formed on the guide unit (13a, 13b) and the locking notch (32) on the separate locking component (33).
  4. Guiding device according to any of the preceding claims, characterised in that the guide units (13a, 13b) each have a guide rod assembly (18a, 18b) comprised of several guide arms, movable in the manner of an accordion, and thereby guiding the shelf (12) between the operating and pulled-out positions (15, 16), wherein preferably the guide arms are in the form of pivot arms (19a, 19b; 20a, 20b) joined pivotably to one another and pivotable around body-side and/or shelf-side pivot axes (21, 22).
  5. Guiding device according to claim 4, characterised in that the guide rod assemblies (18a, 18b) each have two pivot arms (19a, 19b; 20a, 20b), of which a first pivot arm (19a, 20a) is pivotably mounted around a housing-side first pivot axis (21) and a second pivot arm ( (19b, 20b) around a shelf-side second pivot axis (22), and wherein the two pivot arms (19a, 20a; 19b, 20b) are pivotably connected to one another via a connecting joint (24).
  6. Guiding device according to any of the preceding claims, characterised in that the locking rod has a longitudinal slot (36) aligned in its longitudinal direction (35), through which passes the locking projection (31), and is guided along the locking projection (31) during the overlapping pivoting movement of locking rod and guide rod assembly (18a), wherein a rear end of the longitudinal slot (36) assigned to the rod pivot axis (34) is equipped with the locking notch (32).
  7. Guiding device according to any of claims 5 or 6, characterised in that the locking projection (31) is in the form of an extension of the connecting joint, and extends upwards from an upper side of the guide rod assembly (18a).
  8. Heating device, in particular an oven, with a housing surrounding a heatable interior, wherein the interior is bounded at the rear by a rear wall and at the front by a door which, in a closed position, closes a housing opening allowing access to the interior, wherein there is accommodated in the housing at least one shelf (12) for material to be heated and removable from the housing after opening the door, characterised by a guiding device (11) according to any of claims 1 to 7.
EP19201849.7A 2018-11-12 2019-10-08 Guiding device for guiding a good carrier in a housing Active EP3653938B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201930321T SI3653938T1 (en) 2018-11-12 2019-10-08 Guiding device for guiding a good carrier in a housing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202018106399.5U DE202018106399U1 (en) 2018-11-12 2018-11-12 Guide device for guiding a product carrier in a housing

Publications (2)

Publication Number Publication Date
EP3653938A1 EP3653938A1 (en) 2020-05-20
EP3653938B1 true EP3653938B1 (en) 2022-08-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19201849.7A Active EP3653938B1 (en) 2018-11-12 2019-10-08 Guiding device for guiding a good carrier in a housing

Country Status (5)

Country Link
EP (1) EP3653938B1 (en)
DE (1) DE202018106399U1 (en)
ES (1) ES2925962T3 (en)
PL (1) PL3653938T3 (en)
SI (1) SI3653938T1 (en)

Citations (3)

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EP1344985A2 (en) * 2002-03-15 2003-09-17 BSH Bosch und Siemens Hausgeräte GmbH Cooking oven and oven cart
EP1750061A2 (en) * 2005-08-05 2007-02-07 BSH Bosch und Siemens Hausgeräte GmbH Sliding shelf device for a household appliance
DE202012104877U1 (en) * 2012-12-14 2013-01-31 Hans Giesbert Gmbh & Co. Kg Telescopic rail extension for a drawer-like appliance or furniture body

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US2133639A (en) * 1936-07-24 1938-10-18 Walker & Pratt Mfg Co Range
DE4023949A1 (en) * 1990-02-21 1991-08-22 Bosch Siemens Hausgeraete OVEN
DE10203957A1 (en) * 2002-02-01 2003-08-14 Bsh Bosch Siemens Hausgeraete Household device especially baking oven has container which can be pushed on runners and sprung coupling which can be reset
DE10221181A1 (en) * 2002-05-13 2003-11-27 Appbau Gmbh Laag Scissor-action electric oven baking tray ejection mechanism has two push rods hand operated by oval-shaped disc with magnetic link
DE10243551A1 (en) * 2002-09-19 2004-04-01 BSH Bosch und Siemens Hausgeräte GmbH Cooking appliance has holding element guided on parallel link pivoting mechanism with at least one double parallel linkage, and has straight line movement path of holding element between cooking and withdrawal positions
DE102004032250A1 (en) * 2004-07-03 2006-02-16 Bayerische Motoren Werke Ag Motor vehicle door holder for locking of door shell partially open has spring clip retractable in frame-side opening of door shell and notches joined form-fit with inlet opening
NZ543764A (en) * 2005-11-24 2008-10-31 Fisher & Paykel Appliances Ltd Oven with vertically moveable shelf in drawer
DE102012205213A1 (en) * 2012-03-30 2013-10-02 BSH Bosch und Siemens Hausgeräte GmbH Food support for a cooking appliance
DE202014104795U1 (en) * 2014-10-07 2016-01-11 Grass Gmbh Device for guiding the movement of a pushing element, pushing element and furniture
DE102015206595A1 (en) * 2015-04-14 2016-10-20 BSH Hausgeräte GmbH Pull-out system for a household appliance
DE202017100609U1 (en) * 2017-02-06 2018-05-16 Grass Gmbh Device for attaching a support element for objects in a carcass

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Publication number Priority date Publication date Assignee Title
EP1344985A2 (en) * 2002-03-15 2003-09-17 BSH Bosch und Siemens Hausgeräte GmbH Cooking oven and oven cart
EP1750061A2 (en) * 2005-08-05 2007-02-07 BSH Bosch und Siemens Hausgeräte GmbH Sliding shelf device for a household appliance
DE202012104877U1 (en) * 2012-12-14 2013-01-31 Hans Giesbert Gmbh & Co. Kg Telescopic rail extension for a drawer-like appliance or furniture body

Also Published As

Publication number Publication date
DE202018106399U1 (en) 2020-02-13
SI3653938T1 (en) 2022-10-28
ES2925962T3 (en) 2022-10-20
PL3653938T3 (en) 2023-05-08
EP3653938A1 (en) 2020-05-20

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