EP1537365B1 - Baking oven having a linear pull-out element - Google Patents

Baking oven having a linear pull-out element Download PDF

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Publication number
EP1537365B1
EP1537365B1 EP03747912A EP03747912A EP1537365B1 EP 1537365 B1 EP1537365 B1 EP 1537365B1 EP 03747912 A EP03747912 A EP 03747912A EP 03747912 A EP03747912 A EP 03747912A EP 1537365 B1 EP1537365 B1 EP 1537365B1
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EP
European Patent Office
Prior art keywords
oven
carriage
hook
baking oven
cooking
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.)
Expired - Lifetime
Application number
EP03747912A
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German (de)
French (fr)
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EP1537365B2 (en
EP1537365A1 (en
Inventor
Kerstin Feldmann
Peter Mallinger
Horst Fernsebner
Franz Götzendorfer
Thomas Maier
Dieter Mlotek
Hans Rogenhofer
Michael Schilcher
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BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1537365A1 publication Critical patent/EP1537365A1/en
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Classifications

    • 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
    • F24C15/168—Shelves, racks or trays inside ovens; Supports therefor with telescopic rail systems
    • 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 present invention relates to a baking oven according to the preamble of claim 1.
  • An oven with a guided in a baking oven muffle support member which is attached to two horizontally displaceable carriage is according to the preamble of claim 1 of the DE 198 25 323 A1 known.
  • the support member is used to hold and hold Gargutträgem that can be moved between a cooking position in the oven muffle and a lying at least partially before the furnace muffle removal position.
  • the carriages are each arranged in an upper region of the oven muffle, near a top heat.
  • the DE 100 54 954 A1 shows a telescopic extension device for Gargut within the oven of domestic ovens, the movable in different backroom levels Garguty using sliding in guides on ball or roller bearings telescopic rails from the oven can be pulled out.
  • An object of the invention is to further improve the oven according to the preamble of claim 1 in terms of stability and compactness of the horizontal guide.
  • the two hook rails each extend vertically, so that their longitudinal extension directions are each arranged perpendicular to the extension direction.
  • the length of the hook rails is expediently slightly less than the height of the oven muffle. In the extended state of the guide rails one or more Gargutauflagen can be hung in different positions of the hook rails.
  • the available surface for the heating elements of the upper heat and the lower heat in the oven muffle is not affected by arranged in the vicinity guide elements. Rather, approximately the entire width of the oven muffle is available for the arrangement of the upper and lower heating elements.
  • the approximately centrally arranged holding element is subject to a lower bending moment when a cooking product support is suspended in an uppermost or a lowermost insertion position.
  • Each of the two carriages is arranged in a central region on the side wall of the oven muffle.
  • the guide elements continue to have a very low mass and at the same time a high stability.
  • the hook rail has in each case a relatively small distance to an upper side and to a bottom surface of the oven muffle.
  • the two hook rails are coupled together with a rigid cross bracing or cross connection, so that accidentally one of the two hook rails can not be moved back when hanging a Gargutauflage and must be manually pulled forward again.
  • At least in the removal position may conveniently be provided a detent position of the carriage. In this way, the Gargutauflage can be easily hooked into the hook rail and then pushed by slight pressure to overcome the detent in the cooking position.
  • Such a latching position can advantageously also be provided in a cooking position.
  • Rolling bearings are particularly suitable as bearings for the carriages. These bearings can either have a grease lubrication or run dry. Rolling bodies and / or raceways made of ceramic or with a ceramic coating are particularly suitable for this purpose. Such dry rolling bearings are particularly suitable for a pyrolysis of the oven, since in this case reaches temperatures of up to 500 ° C. which conventional grease lubrication of rolling bearings would not withstand.
  • It can be an electrical insulation of the carriages and the hook rails provided by the oven and the oven muffle, whereby this is suitable for microwaving.
  • electrical insulation By electrical insulation, a spark or high voltage flashover on electrical parts in the oven muffle can be avoided.
  • An electrical insulation can, for example, be achieved in that the rolling elements consist of electrically insulating ceramic or the like.
  • FIG. 1 shows a furnace muffle 2 of a baking oven in a perspective and schematic representation.
  • a lying in the closed position on a front frame 4 and the oven muffle 2 front closing oven door 5 is in an open, horizontally downwardly pivoted position.
  • An inventive support member 12 for supporting and guiding a Gargutauflage comprises two holding elements 13, which in the embodiment shown two hook rails 14, which are guided horizontally displaceable on each side walls 6 of the oven muffle on a guide rail 18.
  • a respective carriage 16 on each of the two guide rails 18 in slide along the horizontal direction.
  • On each carriage 16 a H akenschiene 1 4 is rigidly attached.
  • the hook rails 14 which consist of narrow, elongate sheet-metal strips, have a longitudinal extension direction perpendicular to the drawing-out direction and parallel to the side walls 6.
  • the hook rails 14 each have a relatively small distance to an upper side 10 and to a bottom surface 8 of the oven muffle 2, so that the cooking product supports can be arranged as needed near or away from the upper or lower heat.
  • the guide rails 18 extend expediently over approximately the same length, which corresponds to a depth of the oven muffle 2. In this way, the carriage 16 can be moved with the attached hook rails 14 approximately over the entire depth of the oven muffle 2.
  • the guide rails 18 are each arranged in a central region of the side walls 6, so that an impairment of heating elements of a top or bottom heat is given by the guide rail 18 and the carriage 16 and the attached hook rail 14k.
  • the support member 12 may be significantly more compact with the same stability.
  • each hook rail 14 has in each case five spaced-apart grooves 22, each of which defines an insertion height for a product support.
  • they may each have an embossing along their longitudinal direction, which can provide an increase in their flexural rigidity and thus prevent contact with the side walls 6, even if several Gargutauflagen are mounted with correspondingly high loads.
  • FIG. 2 shows the hook rails 14 in a front removal position, in which both carriages 16 with the attached hook rails 14 each at a front stop stand near the front frame 4.
  • a cooking product support 24 is suspended in a second position from below into the corresponding grooves 22.
  • a further development of the mounting part 12 according to the invention may lie in a combination with telescopic extensions.
  • a so-called. Full extension can be realized, in which the Gargutauflage 24 can be pulled out into a position in front of the front frame 4.
  • the illustrated embodiment with the rail extension only allows a partial extract, in which a rear edge of the Gargutauflage 24 is still in the removal position within the oven muffle 2.
  • FIG. 3 shows a first variant of a guide of the carriage 16 on the guide rail 18.
  • each two rolling elements 20 are rotatably mounted.
  • a rolling element 20 slides on an upper side or on an upper edge of the guide rail 18.
  • the other rolling element 20 slides on a lower side or on a lower edge of the guide rail 18.
  • the weight exerted by the cooking support supports the weight in FIG FIG. 3 shown arrangement, each with a rolling element 20 above and below the guide rail 18 sufficient.
  • the rolling elements 20 are arranged offset from each other in the carriage 16, so that by tilting the carriage 16, this can possibly be unhooked from the guide rail 18 and removed.
  • the force exerted by a Gargutauflage weight moment which provides for a stabilization of the carriage 16 is indicated by an arrow.
  • at the bottom and / or bottom two rolling elements may be provided, as in FIG. 5 is shown.
  • FIG. 4 shows a sectional view of a holding member 13 of the support member 12 in a viewing direction parallel to the extension direction of the carriage 16.
  • the guide rail 18 is firmly anchored in the side wall 6 and has a vertical guide portion with each rounded upper and lower edges, which at the same time the running surfaces for Forming rolling elements 20.
  • the rolling elements 20 are in the illustrated embodiment each formed as einschalige Rotationshyperboloide whose running surfaces engage around the running surfaces of the guide rail 18 on both sides.
  • the hook rail 14 is rigidly secured.
  • FIG. 5 and 6 show in two views or partial sections an alternative embodiment of the holding element 12 according to the invention, in which in each carriage 16 four rolling elements 20 are rotatably mounted.
  • Each two spaced rolling elements 20 slide on the upper and on the lower edge of the guide rail 18.
  • This has a front stop 34 and a rear stop 36, to which each of the carriage 16 can abut.
  • the stops 34, 36 define the maximum travel that the carriage 16 can lay back on the guide rail 18.
  • the guide rail 18 is anchored via a plurality of attachment points 38 on the side wall.
  • FIG. 5 illustrates an offset mounting of the hook rail 14 on the carriage 16 so that it is moved closer to the front frame of the oven muffle in the removal position. The hanging and removing the Gargutauflage can thereby possibly be facilitated.
  • the carriage 16 has a cup-shaped contour with one-sided suspension of the rolling elements 20.
  • the hook rail 14 is fixed, while the open side facing the side wall 6 of the oven muffle.
  • the carriage 16 largely surrounds the guide rail 18, so that overall a very compact and space-saving unit is formed.
  • the rolling elements are formed in the second variant as a symmetrical double cone, each with blunt end faces, the middle edge slides in a corresponding grave-shaped track of the guide rail.
  • This alternative embodiment of the carriage and the guide rail is characterized by particular compactness.
  • the support member 12 with the two support members 13 may be made particularly narrow and space-saving in this way, so that the width of the oven muffle is hardly increased compared to a furnace muffle provided with conventional inserts.
  • the guide rail attached to the side walls 6 of the oven muffle 2 can also be countersunk in a corresponding depression, so that substantially only the hook rail is at a small distance from the side wall 6 the oven muffle protrudes from the side outline. In this way, a further reduction in the width of the furnace muffle can be achieved.
  • Gargutauflage 24 illustrates that is located approximately in the middle of the guide rail 18 in a middle insertion position.
  • FIG. 7 shows a perspective view of a preferred embodiment of the support member 12, in which the two hook rails 14 are connected by a connecting strut 26 with each other. In this way it can be avoided that one of the hook rails 14 is accidentally pushed back when hanging the Gargutierlage.
  • FIG. 8 shows a possible embodiment of a locking device 27, which consists of a spring-loaded ball 30 which can engage in a recess 32 of the guide rail 18.
  • the ball 30 is preferably held in the carriage and can engage in a depression 32 located in the front area of the guide rail 18 and thus defining a detent in the removal position. Possibly.
  • a further depression may be provided in a rear region of the guide rail 18, which defines a further latching position in the cooking position of the cooking product support.
  • the latching positions preferably correspond with the corresponding stops of the carriage (see. FIG. 6 ), so that in practice the maximum displacement of the retaining element is utilized.
  • the illustrated rolling bearing of the carriage can not have conventional grease lubrication.
  • rolling pairings made of ceramic or with a ceramic coating are particularly suitable.
  • Such Wälzproung also offers the further advantage that the support member 12 can be electrically isolated from the oven muffle. This allows a microwave fitness of the oven, thereby the insulation of the holding element no spark and high voltage flashovers are to be feared.
  • the carriage and the hook rails comes, for example, aluminum, stainless steel or brass in question, which may optionally have a ceramic coating on the guide rail.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)
  • Electric Ovens (AREA)
  • Ceramic Capacitors (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Tunnel Furnaces (AREA)

Abstract

The oven has a horizontal holder part (12) in the oven wall (2) to take and hold a cooking shelf (24) which can move from the pushed-in position for cooking to a removal position in front of the oven. The holding part consists of two movable holding elements (13), which are on opposite side walls (6) and spaced out from the top (10) and bottom (8).

Description

Die vorliegende Erfindung betrifft einen Backofen nach dem Oberbegriff des Anspruchs 1.The present invention relates to a baking oven according to the preamble of claim 1.

Ein Backofen mit einem in einer Backofenmuffel geführten Halterungsteil, das an zwei horizontal verschiebbaren Schlitten befestigt ist, ist nach dem Oberbegriff des Anspruchs 1 aus der DE 198 25 323 A1 bekannt. Das Halterungsteil dient zur Aufnahme und Halterung von Gargutträgem, die zwischen einer Garposition in der Ofenmuffel und einer zumindest teilweise vor der Ofenmuffel liegenden Entnahmeposition verschoben werden können. Die Schlitten sind jeweils in einem oberen Bereich der Ofenmuffel, nahe einer Oberhitze angeordnet.An oven with a guided in a baking oven muffle support member which is attached to two horizontally displaceable carriage is according to the preamble of claim 1 of the DE 198 25 323 A1 known. The support member is used to hold and hold Gargutträgem that can be moved between a cooking position in the oven muffle and a lying at least partially before the furnace muffle removal position. The carriages are each arranged in an upper region of the oven muffle, near a top heat.

Die DE 100 54 954 A1 zeigt eine Teleskopauszugsvorrichtung für Gargutträger im Garraum von Haushaltsbacköfen, wobei die in verschiedenen Backraumebenen bewegbaren Gargutträger unter Verwendung von in Führungen über Kugel- oder Rollenlager verschiebbaren Teleskopschienen aus dem Garraum herausziehbar sind.The DE 100 54 954 A1 shows a telescopic extension device for Gargutträger in the oven of domestic ovens, the movable in different backroom levels Gargutträger using sliding in guides on ball or roller bearings telescopic rails from the oven can be pulled out.

Ein Ziel der Erfindung besteht darin, den Backofen nach dem Oberbegriff des Patentanspruchs 1 hinsichtlich der Stabilität sowie der Kompaktheit der horizontalen Führung weiter zu verbessern.An object of the invention is to further improve the oven according to the preamble of claim 1 in terms of stability and compactness of the horizontal guide.

Erfindungsgemäß wird dieses Ziel mit einem Backofen nach dem Oberbegriff des Patentanspruchs 1 durch die Merkmale des kennzeichnenden Teils erreicht, Vorzugsweise erstrecken sich die beiden Hakenschienen jeweils vertikal, so dass ihre Längserstreckungsrichtungen jeweils senkrecht zur Auszugsrichtung angeordnet sind. Die Länge der Hakenschienen beträgt zweckmäßigerweise etwas weniger als die Höhe der Ofenmuffel. Im ausgezogenen Zustand der Führungsschienen können in verschiedenen Positionen der Hakenschienen eine oder mehrere Gargutauflagen eingehängt werden.According to the invention, this object is achieved with an oven according to the preamble of patent claim 1 by the features of the characterizing part. Preferably, the two hook rails each extend vertically, so that their longitudinal extension directions are each arranged perpendicular to the extension direction. The length of the hook rails is expediently slightly less than the height of the oven muffle. In the extended state of the guide rails one or more Gargutauflagen can be hung in different positions of the hook rails.

Durch die jeweils von oberen und unteren Heizelementen der Ofenmuffel beabstandete Anordnung des Halteelements bzw. dessen Führungen wird die zur Verfügung stehende Fläche für die Heizelemente der Oberhitze sowie der Unterhitze in der Ofenmuffel nicht durch in deren Nähe angeordnete Führungselemente beeinträchtigt. Vielmehr steht annähernd die gesamte Baubreite der Ofenmuffel zur Anordnung der oberen und unteren Heizelemente zur Verfügung. Zudem unterliegt das ungefähr mittig angeordnete Halteelement einem geringeren Biegemoment, wenn eine Gargutauflage in einer obersten oder einer untersten Einschubposition eingehängt ist.By each spaced from the upper and lower heating elements of the furnace muffle arrangement of the holding element or its guides, the available surface for the heating elements of the upper heat and the lower heat in the oven muffle is not affected by arranged in the vicinity guide elements. Rather, approximately the entire width of the oven muffle is available for the arrangement of the upper and lower heating elements. In addition, the approximately centrally arranged holding element is subject to a lower bending moment when a cooking product support is suspended in an uppermost or a lowermost insertion position.

Jeder der beiden Schlitten ist in einem mittleren Bereich an der Seitenwand der Ofenmuffel angeordnet. Mit der erfindungsgemäßen Anordnung kann auf einfache Weise eine sehr platzsparende Führung der ausziehbaren Gargutauflage erreicht werden. Die Führungselemente weisen weiterhin eine sehr geringe Masse und gleichzeitig eine hohe Stabilität auf. Die Hakenschiene weist jeweils einen relativ geringen Abstand zu einer Oberseite sowie zu einer Bodenfläche der Ofenmuffel auf.Each of the two carriages is arranged in a central region on the side wall of the oven muffle. With the arrangement according to the invention can be achieved in a simple manner a very space-saving guidance of the extendable Gargutauflage. The guide elements continue to have a very low mass and at the same time a high stability. The hook rail has in each case a relatively small distance to an upper side and to a bottom surface of the oven muffle.

Gegebenenfalls sind die beiden Hakenschienen mit einer starren Querverstrebung bzw. Querverbindung miteinander gekoppelt, so dass nicht versehentlich eine der beiden Hakenschienen beim Einhängen einer Gargutauflage nach hinten verschoben werden kann und manuell wieder nach vorne gezogen werden muss. Zumindest in der Entnahmeposition kann zweckmäßigerweise eine Rastposition der Schlitten vorgesehen sein. Auf diese Weise kann die Gargutauflage problemlos in die Hakenschiene eingehängt werden und dann durch leichten Druck zur Überwindung der Rastung in die Garposition geschoben werden. Eine derartige Rastposition kann vorteilhafterweise auch zusätzlich in einer Garposition vorgesehen sein.Optionally, the two hook rails are coupled together with a rigid cross bracing or cross connection, so that accidentally one of the two hook rails can not be moved back when hanging a Gargutauflage and must be manually pulled forward again. At least in the removal position may conveniently be provided a detent position of the carriage. In this way, the Gargutauflage can be easily hooked into the hook rail and then pushed by slight pressure to overcome the detent in the cooking position. Such a latching position can advantageously also be provided in a cooking position.

Als Lagerung für die Schlitten eignen sich insbesondere Wälzlager. Diese Wälzlager können entweder eine Fettschmierung aufweisen oder wahlweise trocken laufen. Hierfür eignen sich insbesondere Wälzkörper und/oder Laufbahnen aus Keramik bzw. mit einer keramischen Beschichtung. Derartige trockene Wälzlagerungen eignen sich insbesondere für einen Pyrolysebetrieb des Backofens, da hierbei Temperaturen von bis zu 500 °C erreicht werden, denen eine herkömmliche Fettschmierung von Wälzlagern nicht standhalten würde.Rolling bearings are particularly suitable as bearings for the carriages. These bearings can either have a grease lubrication or run dry. Rolling bodies and / or raceways made of ceramic or with a ceramic coating are particularly suitable for this purpose. Such dry rolling bearings are particularly suitable for a pyrolysis of the oven, since in this case reaches temperatures of up to 500 ° C. which conventional grease lubrication of rolling bearings would not withstand.

Es kann eine elektrische Isolierung der Schlitten und der Hakenschienen vom Backofen und von der Ofenmuffel vorgesehen werden, wodurch dieser mikrowellentauglich wird. Durch die elektrische Isolierung kann ein Funken- bzw. Hochspannungsüberschlag auf elektrische Teile in der Ofenmuffel vermieden werden. Eine elektrische Isolierung kann bspw. dadurch erreicht werden, dass die Wälzkörper aus elektrisch isolierendem Keramik oder dgl. bestehen.It can be an electrical insulation of the carriages and the hook rails provided by the oven and the oven muffle, whereby this is suitable for microwaving. By electrical insulation, a spark or high voltage flashover on electrical parts in the oven muffle can be avoided. An electrical insulation can, for example, be achieved in that the rolling elements consist of electrically insulating ceramic or the like.

Die Erfindung wird nachfolgen anhand von Ausführungsbeispielen unter Bezugnahme auf die Zeichnungen näher erläutert. Es zeigen:

Figur 1
eine schematische Perspektivdarstellung einer Ofenmuffel mit in Garposition befindlichem Halterungsteil,
Figur 2
eine perspektivische Schemadarstellung der Ofenmuffel mit in Entnahmeposition befindlichem Halterungsteil und darin eingehängter Gargutauflage,
Figuren 3 und 4
eine erste Variante einer Schlittenführung des Halteelements in zwei Ansichten bzw. Schnittdarstellungen,
Figuren 5 und 6
eine zweite Variante der Schlittenführung in zwei Ansichten bzw. Schnittdarstellungen,
Figur 7
zwei durch eine Querstrebe miteinander gekoppelte Hakenschienen in perspektivischer Darstellung und
Figur 8
eine schematische Darstellung einer Vorrichtung zur Verrastung d es S chlittens in bevorzugten Positionen.
The invention will be explained below with reference to exemplary embodiments with reference to the drawings. Show it:
FIG. 1
a schematic perspective view of a furnace muffle with befindlichem in cooking position mounting part,
FIG. 2
a perspective schematic view of the oven muffle with befindlichem in removal position mounting part and therein hinged Gargutauflage,
FIGS. 3 and 4
a first variant of a slide guide of the holding element in two views or sectional views,
FIGS. 5 and 6
a second variant of the carriage guide in two views or sectional views,
FIG. 7
two coupled by a cross brace hook rails in perspective and
FIG. 8
a schematic representation of a device for latching d s S slit it in preferred positions.

Figur 1 zeigt eine Ofenmuffel 2 eines Backofens in perspektivischer und schematischer Darstellung. Eine in geschlossener Position an einem Frontrahmen 4 anliegende und die Ofenmuffel 2 frontseitig verschließende Backofentür 5 befindet sich in geöffneter, waagrecht nach unten geschwenkter Position. Ein erfindungsgemäßes Halterungsteil 12 zur Auflage und Führung einer Gargutauflage umfasst zwei Halteelemente 13, die im gezeigten Ausführungsbeispiel zwei Hakenschienen 14 aufweisen, die jeweils an Seitenwänden 6 der Ofenmuffel an einer Führungsschiene 18 horizontal verschiebbar geführt sind. Zu diesem Zweck ist jeweils ein Schlitten 16 auf jeder der beiden Führungsschienen 18 in horizontaler Richtung entlang gleiten. An jedem Schlitten 16 ist eine H akenschiene 1 4 starr befestigt. Die aus schmalen länglichen Blechstreifen bestehenden Hakenschienen 14 weisen eine Längserstreckungsrichtung senkrecht zur Auszugrichtung und parallel zu den Seitenwänden 6 auf. Die Hakenschienen 14 weiser jeweils einen relativ geringen Abstand zu einer Oberseite 10 sowie zu einer Bodenfläche 8 der Ofenmuffel 2 auf, so dass die Gargutauflagen je nach Bedarf nahe an bzw. entfernt von der Ober- bzw. der Unterhitze angeordnet werden können. FIG. 1 shows a furnace muffle 2 of a baking oven in a perspective and schematic representation. A lying in the closed position on a front frame 4 and the oven muffle 2 front closing oven door 5 is in an open, horizontally downwardly pivoted position. An inventive support member 12 for supporting and guiding a Gargutauflage comprises two holding elements 13, which in the embodiment shown two hook rails 14, which are guided horizontally displaceable on each side walls 6 of the oven muffle on a guide rail 18. For this purpose, a respective carriage 16 on each of the two guide rails 18 in slide along the horizontal direction. On each carriage 16 a H akenschiene 1 4 is rigidly attached. The hook rails 14, which consist of narrow, elongate sheet-metal strips, have a longitudinal extension direction perpendicular to the drawing-out direction and parallel to the side walls 6. The hook rails 14 each have a relatively small distance to an upper side 10 and to a bottom surface 8 of the oven muffle 2, so that the cooking product supports can be arranged as needed near or away from the upper or lower heat.

Die Führungsschienen 18 erstrecken sich zweckmäßigerweise über annähernd eine gleiche Länge, die einer Tiefe der Ofenmuffel 2 entspricht. Auf diese Weise können die Schlitten 16 mit den daran befestigten Hakenschienen 14 annähernd über die gesamte Tiefe der Ofenmuffel 2 verschoben werden. Die Führungsschienen 18 sind jeweils in einem mittleren Bereich der Seitenwände 6 angeordnet, so dass durch die Führungsschiene 18 und den Schlitten 16 sowie die daran befestigte Hakenschiene 14k eine Beeinträchtigung von Heizungselementen einer Ober- oder Unterhitze gegeben ist. Zudem wird deutlich, dass gegenüber einer Führung nahe der Oberseite 10 der Ofenmuffel 2 das maximale Biegemoment auf die Hakenschienen 14 beim Einhängen einer Gargutauflage in einer unteren Einschubposition deutlich reduziert ist. Das Halterungsteil 12 kann bei gleicher Stabilität deutlich kompakter ausfallen.The guide rails 18 extend expediently over approximately the same length, which corresponds to a depth of the oven muffle 2. In this way, the carriage 16 can be moved with the attached hook rails 14 approximately over the entire depth of the oven muffle 2. The guide rails 18 are each arranged in a central region of the side walls 6, so that an impairment of heating elements of a top or bottom heat is given by the guide rail 18 and the carriage 16 and the attached hook rail 14k. In addition, it is clear that compared to a guide near the upper side 10 of the oven muffle 2, the maximum bending moment on the hook rails 14 when hooking a cooking product support in a lower insertion position is significantly reduced. The support member 12 may be significantly more compact with the same stability.

Die Schlitten 16 mit den daran befestigten Hakenschienen 14 befinden sich in der Darstellung der Figur 1 in einer Garposition in hinterster Stellung, vorzugsweise an einem hinteren Anschlag der Schlitten 16. Eine Gargutauflage kann in zwei auf gleicher Höhe befindliche Nuten 22 jeder Hakenschiene 14 eingehängt werden, so dass sie sich in einer stabilen waagrechten Lage befindet. Im gezeigten Ausführungsbeispiel weist jede Hakenschiene 14 jeweils fünf voneinander beabstandete Nuten 22 auf, die jeweils eine Einlegehöhe für eine Gargutauflage definieren. Zur Erhöhung der Stabilität der Hakenschienen können diese ggf. jeweils eine Einprägung entlang ihrer Längserstreckungsrichtung aufweisen, die für eine Erhöhung ihrer Biegesteifigkeit sorgen kann und auf diese Weise eine Berührung mit den Seitenwänden 6 verhindern kann, selbst wenn mehrere Gargutauflagen mit entsprechend hohen Lasten eingehängt sind.The carriage 16 with the attached hook rails 14 are in the illustration of FIG. 1 in a cooking position in the rearmost position, preferably on a rear stop of the carriage 16. A Gargutauflage can be mounted in two grooves located at the same height 22 each hook rail 14 so that it is in a stable horizontal position. In the exemplary embodiment shown, each hook rail 14 has in each case five spaced-apart grooves 22, each of which defines an insertion height for a product support. To increase the stability of the hook rails, they may each have an embossing along their longitudinal direction, which can provide an increase in their flexural rigidity and thus prevent contact with the side walls 6, even if several Gargutauflagen are mounted with correspondingly high loads.

Figur 2 zeigt die Hakenschienen 14 in einer vorderen Entnahmeposition, bei der beide Schlitten 16 mit den daran befestigten Hakenschienen 14 jeweils an einem vorderen Anschlag in Nähe des Frontrahmens 4 stehen. In der gezeigten Darstellung ist eine Gargutauflage 24 in eine zweite Position von unten in die entsprechenden Nuten 22 eingehängt. FIG. 2 shows the hook rails 14 in a front removal position, in which both carriages 16 with the attached hook rails 14 each at a front stop stand near the front frame 4. In the illustration shown, a cooking product support 24 is suspended in a second position from below into the corresponding grooves 22.

Eine Weiterentwicklung des erfindungsgemäßen Halterungsteils 12 kann in einer Kombination mit Teleskopauszügen liegen. Auf diese Weise kann ein sog. Vollauszug realisiert werden, bei dem die Gargutauflage 24 in eine Position vor den Frontrahmen 4 ausgezogen werden kann. Das gezeigte Ausführungsbeispiel mit dem Schienenauszug ermöglicht dagegen nur einen Teilauszug, bei dem sich eine hintere Kante der Gargutauflage 24 in Entnahmeposition noch innerhalb der Ofenmuffel 2 befindet.A further development of the mounting part 12 according to the invention may lie in a combination with telescopic extensions. In this way, a so-called. Full extension can be realized, in which the Gargutauflage 24 can be pulled out into a position in front of the front frame 4. The illustrated embodiment with the rail extension, however, only allows a partial extract, in which a rear edge of the Gargutauflage 24 is still in the removal position within the oven muffle 2.

Weiterhin kann es von Vorteil sein, die Führungsschienen 18 sowie die darauf gleitenden Schlitten 16 in eine entsprechende ausgewölbte Vertiefung der Seitenwand 6 zu montieren, wodurch der Platzbedarf des Halteelements 12 minimiert wird. Ggf. kann für die Aufnahme unverändert breiter Gargutauflagen eine geringfügig schmalere Ofenmuffel genügen.Furthermore, it may be advantageous to mount the guide rails 18 and the sliders 16 sliding thereon in a corresponding bulged recess of the side wall 6, whereby the space requirement of the retaining element 12 is minimized. Possibly. can satisfy a slightly narrower oven muffle for receiving unchanged wide Gargutauflagen.

Figur 3 zeigt eine erste Variante einer Führung des Schlittens 16 auf der Führungsschiene 18. In jedem Schlitten 16 sind jeweils zwei Wälzkörper 20 drehbar gelagert. Ein Wälzkörper 20 gleitet auf einer Oberseite bzw. auf einer oberen Kante der Führungsschiene 18. Der andere Wälzkörper 20 gleitet auf einer Unterseite bzw. auf einer unteren Kante der Führungsschiene 18. Durch das von der Gargutauflage ausgeübte Gewicht ist die in Figur 3 gezeigte Anordnung mit jeweils einem Wälzkörper 20 ober- und unterhalb der Führungsschiene 18 ausreichend. Die Wälzkörper 20 sind gegeneinander versetzt im Schlitten 16 angeordnet, so dass durch ein Verkippen des Schlittens 16 dieser ggf. aus der Führungsschiene 18 ausgehängt und entnommen werden kann. Das durch eine Gargutauflage ausgeübte Gewichtsmoment, das für eine Stabilisierung des Schlittens 16 sorgt, ist durch einen Pfeil angedeutet. Alternativ können jeweils unten und/oder unten zwei Wälzkörper vorgesehen sein, wie dies in Figur 5 dargestellt ist. FIG. 3 shows a first variant of a guide of the carriage 16 on the guide rail 18. In each carriage 16 each two rolling elements 20 are rotatably mounted. A rolling element 20 slides on an upper side or on an upper edge of the guide rail 18. The other rolling element 20 slides on a lower side or on a lower edge of the guide rail 18. The weight exerted by the cooking support supports the weight in FIG FIG. 3 shown arrangement, each with a rolling element 20 above and below the guide rail 18 sufficient. The rolling elements 20 are arranged offset from each other in the carriage 16, so that by tilting the carriage 16, this can possibly be unhooked from the guide rail 18 and removed. The force exerted by a Gargutauflage weight moment, which provides for a stabilization of the carriage 16 is indicated by an arrow. Alternatively, at the bottom and / or bottom two rolling elements may be provided, as in FIG. 5 is shown.

Figur 4 zeigt eine Schnittdarstellung eines Halteelements 13 des Halterungsteils 12 in einer Blickrichtung parallel zur Auszugsrichtung des Schlittens 16. Die Führungsschiene 18 ist fest in der Seitenwand 6 verankert und weist einen senkrecht stehenden Führungsabschnitt mit jeweils abgerundeten oberen und unteren Kanten auf, die gleichzeitig die Laufflächen für die Wälzkörper 20 bilden. Die Wälzkörper 20 sind im gezeigten Ausführungsbeispiel jeweils als einschalige Rotationshyperboloide ausgebildet, deren Laufflächen die Laufflächen der Führungsschiene 18 beidseitig umgreifen. An der der Seitenwand 6 abgewandten Seite des Schlittens 16 ist die Hakenschiene 14 starr befestigt. FIG. 4 shows a sectional view of a holding member 13 of the support member 12 in a viewing direction parallel to the extension direction of the carriage 16. The guide rail 18 is firmly anchored in the side wall 6 and has a vertical guide portion with each rounded upper and lower edges, which at the same time the running surfaces for Forming rolling elements 20. The rolling elements 20 are in the illustrated embodiment each formed as einschalige Rotationshyperboloide whose running surfaces engage around the running surfaces of the guide rail 18 on both sides. At the side wall of the carriage 16 facing away from the side wall 6, the hook rail 14 is rigidly secured.

Die Figuren 5 und 6 zeigen in zwei Ansichten bzw. Teilschnitten eine alternative Ausführungsform des erfindungsgemäßen Halteelements 12, bei dem in jedem Schlitten 16 jeweils vier Wälzkörper 20 drehbar gelagert sind. Jeweils zwei voneinander beabstandete Wälzkörper 20 gleiten auf der oberen sowie auf der unteren Kante der Führungsschiene 18. Diese weist einen vorderen Anschlag 34 sowie einen hinteren Anschlag 36 auf, an denen jeweils der Schlitten 16 anstoßen kann. Die Anschläge 34, 36 definieren den maximalen Weg, den der Schlitten 16 auf der Führungsschiene 18 zurück legen kann. Die Führungsschiene 18 ist über mehrere Befestigungspunkte 38 an der Seitenwand verankert. Figur 5 verdeutlicht eine versetzte Montage der Hakenschiene 14 am Schlitten 16, so dass sie in der Entnahmeposition näher an den Frontrahmen der Ofenmuffel gerückt ist. Das Einhängen und Entnehmen der Gargutauflage kann dadurch ggf. erleichtert werden.The Figures 5 and 6 show in two views or partial sections an alternative embodiment of the holding element 12 according to the invention, in which in each carriage 16 four rolling elements 20 are rotatably mounted. Each two spaced rolling elements 20 slide on the upper and on the lower edge of the guide rail 18. This has a front stop 34 and a rear stop 36, to which each of the carriage 16 can abut. The stops 34, 36 define the maximum travel that the carriage 16 can lay back on the guide rail 18. The guide rail 18 is anchored via a plurality of attachment points 38 on the side wall. FIG. 5 illustrates an offset mounting of the hook rail 14 on the carriage 16 so that it is moved closer to the front frame of the oven muffle in the removal position. The hanging and removing the Gargutauflage can thereby possibly be facilitated.

Wie Figur 6 deutlich macht, weist der Schlitten 16 eine schalenförmige Kontur mit einseitiger Aufhängung der Wälzkörper 20 auf. An der geschlossenen Seite des Schlittens 16 ist die Hakenschiene 14 befestigt, während die offene Seite zur Seitenwand 6 der Ofenmuffel weist. Der Schlitten 16 umgreift die Führungsschiene 18 weitgehend, so dass insgesamt eine sehr kompakte und Platz sparende Einheit gebildet ist. Im Gegensatz zur ersten Variante gemäß den Figuren 3 und 4 sind die Wälzkörper in der zweiten Variante als symmetrische Doppelkegel mit jeweils stumpfen Stirnseiten ausgebildet, deren Mittelkante in einer entsprechend grabenförmig ausgebildeten Laufbahn der Führungsschiene gleitet.As FIG. 6 makes clear, the carriage 16 has a cup-shaped contour with one-sided suspension of the rolling elements 20. On the closed side of the carriage 16, the hook rail 14 is fixed, while the open side facing the side wall 6 of the oven muffle. The carriage 16 largely surrounds the guide rail 18, so that overall a very compact and space-saving unit is formed. In contrast to the first variant according to the FIGS. 3 and 4 the rolling elements are formed in the second variant as a symmetrical double cone, each with blunt end faces, the middle edge slides in a corresponding grave-shaped track of the guide rail.

Diese alternative Ausgestaltung des Schlittens und der Führungsschiene zeichnet sich durch besondere Kompaktheit aus. Das Halterungsteil 12 mit den zwei Halteelementen 13 kann auf diese Weise besonders schmal und platzsparend ausgeführt sein, so dass die Baubreite der Ofenmuffel gegenüber einer mit herkömmlichen Einschüben versehenen Ofenmuffel kaum vergrößert ist. Ggf. kann die auf die Seitenwände 6 der Ofenmuffel 2 aufgesetzte Führungsschiene auch in einer entsprechenden Vertiefung versenkt sein, so dass im Wesentlichen nur die Hakenschiene in geringem Abstand zur Seitenwand 6 der Ofenmuffel aus deren seitlichem Umriss herausragt. Auf diese Weise kann eine weitere Reduzierung der Baubreite der Ofenmuffel erreicht werden.This alternative embodiment of the carriage and the guide rail is characterized by particular compactness. The support member 12 with the two support members 13 may be made particularly narrow and space-saving in this way, so that the width of the oven muffle is hardly increased compared to a furnace muffle provided with conventional inserts. Possibly. For example, the guide rail attached to the side walls 6 of the oven muffle 2 can also be countersunk in a corresponding depression, so that substantially only the hook rail is at a small distance from the side wall 6 the oven muffle protrudes from the side outline. In this way, a further reduction in the width of the furnace muffle can be achieved.

Anhand der Figur 6 ist eine in Nuten 22 eingehängte Gargutauflage 24 verdeutlicht, die sich in einer mittleren Einlegeposition ungefähr auf Höhe der Führungsschiene 18 befindet.Based on FIG. 6 is a hinged in grooves 22 Gargutauflage 24 illustrates that is located approximately in the middle of the guide rail 18 in a middle insertion position.

Figur 7 zeigt in perspektivischer Ansicht eine bevorzugte Ausgestaltung des Halterungsteils 12, bei dem die beiden Hakenschienen 14 durch eine Verbindungsstrebe 26 miteinander verbunden sind. Auf diese Weise kann vermieden werden, dass eine der Hakenschienen 14 beim Einhängen der Gargutauflage versehentlich nach hinten geschoben wird. FIG. 7 shows a perspective view of a preferred embodiment of the support member 12, in which the two hook rails 14 are connected by a connecting strut 26 with each other. In this way it can be avoided that one of the hook rails 14 is accidentally pushed back when hanging the Gargutauflage.

Figur 8 zeigt eine mögliche Ausgestaltung einer Rastvorrichtung 27, die aus einer federbelasteten Kugel 30 besteht, die in eine Vertiefung 32 der Führungsschiene 18 einrasten kann. Die Kugel 30 ist vorzugsweise im Schlitten gehaltert und kann in eine im vorderen Bereich der Führungsschiene 18 befindliche und damit eine Rastung in Entnahmeposition definierende Vertiefung 32 eingreifen. Ggf. kann zusätzlich eine weitere Vertiefung in einem hinteren Bereich der Führungsschiene 18 vorgesehen sein, die eine weitere Rastposition in Garposition der Gargutauflage definiert. Die Rastpositionen korrespondieren vorzugsweise mit den entsprechenden Anschlägen des Schlittens (vgl. Figur 6), so dass in der Praxis der maximale Verschiebeweg des Halteelements ausgenutzt wird. FIG. 8 shows a possible embodiment of a locking device 27, which consists of a spring-loaded ball 30 which can engage in a recess 32 of the guide rail 18. The ball 30 is preferably held in the carriage and can engage in a depression 32 located in the front area of the guide rail 18 and thus defining a detent in the removal position. Possibly. In addition, a further depression may be provided in a rear region of the guide rail 18, which defines a further latching position in the cooking position of the cooking product support. The latching positions preferably correspond with the corresponding stops of the carriage (see. FIG. 6 ), so that in practice the maximum displacement of the retaining element is utilized.

Soll der Backofen in einem Pyrolysemodus betrieben werden, kann die gezeigte Wälzlagerung des Schlittens keine herkömmliche Fettschmierung aufweisen. Um den hohen Temperaturen von ca. 500 °C standhalten zu können, eignen sich insbesondere Wälzpaarungen aus Keramik bzw. mit einer Keramikbeschichtung. Eine solche Wälzpaarung bietet darüber hinaus den weiteren Vorteil, dass das Halterungsteil 12 von der Ofenmuffel elektrisch isoliert werden kann. Dies ermöglicht eine Mikrowellen-Tauglichkeit des Backofens, dadurch die Isolierung des Halteelements keine Funken- und Hochspannungsüberschläge zu befürchten sind.If the oven is to be operated in a pyrolysis mode, the illustrated rolling bearing of the carriage can not have conventional grease lubrication. In order to be able to withstand the high temperatures of about 500 ° C, rolling pairings made of ceramic or with a ceramic coating are particularly suitable. Such Wälzpaarung also offers the further advantage that the support member 12 can be electrically isolated from the oven muffle. This allows a microwave fitness of the oven, thereby the insulation of the holding element no spark and high voltage flashovers are to be feared.

Als Material für die Führungsschienen, die Schlitten sowie die Hakenschienen kommt bspw. Aluminium, Edelstahl oder Messing in Frage, das auf der Führungsschiene ggf. eine Keramikbeschichtung aufweisen kann.As a material for the guide rails, the carriage and the hook rails comes, for example, aluminum, stainless steel or brass in question, which may optionally have a ceramic coating on the guide rail.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

22
Ofenmuffelmuffle furnace
44
Frontrahmenfront frame
55
Backofentüroven door
66
SeitenwandSide wall
88th
Bodenflächefloor area
1010
Oberseitetop
1212
Halterungsteilsupporting member
1313
Halteelementretaining element
1414
Hakenschienehook rail
1616
Schlittencarriage
1818
Führungsschieneguide rail
2020
Wälzkörperrolling elements
2222
Nutgroove
2424
GargutauflageGargutauflage
2626
Querstrebecrossmember
2727
Rastvorrichtunglocking device
2828
Federfeather
3030
KugelBullet
3232
Vertiefungdeepening
3434
vorderer Anschlagfront stop
3636
hinterer Anschlagrear stop
3838
Befestigungspunktattachment point

Claims (4)

  1. Baking oven with a mounting part (12), which is horizontally guided in an oven chamber (2), for reception and mounting of a cooking stock support (24) displaceable between a cooking position in the oven chamber (2) and a removal position lying at least partly in front of this, wherein the mounting part (12) comprises two mounting elements (13) which are guided by a slide (16) and which arranged at mutually opposite side walls (6) and at a spacing from an upper side (10) or a lower side (8) of the oven chamber (2), wherein the mounting element (13) comprises a hook rail (14) which is fixed to the slide (16) and respectively has a relatively small spacing from an upper side (10) as well as from a base surface (8) of the oven chamber (2), characterised in that slide is arranged at the side wall (6) of the oven chamber (2) respectively at a median height region.
  2. Baking oven according to claim 1, characterised in that the hook rails (14) are coupled together by means of a transverse strut (26).
  3. Baking oven according to one of the preceding claims, characterised by a detent position of the slides (16) at least in the removal position.
  4. Baking oven according to any one of the preceding claims, characterised by a roller-mounted slide (16).
EP03747912.8A 2002-08-30 2003-08-19 Baking oven having a linear pull-out element Expired - Lifetime EP1537365B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10240146 2002-08-30
DE10240146A DE10240146A1 (en) 2002-08-30 2002-08-30 Oven for baking with linear pull-out has holder part with two holding elements on opposite side walls
PCT/EP2003/009188 WO2004025187A1 (en) 2002-08-30 2003-08-19 Baking oven having a linear pull-out element

Publications (3)

Publication Number Publication Date
EP1537365A1 EP1537365A1 (en) 2005-06-08
EP1537365B1 true EP1537365B1 (en) 2012-03-07
EP1537365B2 EP1537365B2 (en) 2016-02-24

Family

ID=31502182

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Country Status (8)

Country Link
US (1) US20050241495A1 (en)
EP (1) EP1537365B2 (en)
AT (1) ATE548610T1 (en)
AU (1) AU2003266997A1 (en)
BR (1) BR0313948A (en)
DE (1) DE10240146A1 (en)
ES (1) ES2381035T5 (en)
WO (1) WO2004025187A1 (en)

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Also Published As

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DE10240146A1 (en) 2004-03-11
WO2004025187A1 (en) 2004-03-25
EP1537365B2 (en) 2016-02-24
ATE548610T1 (en) 2012-03-15
BR0313948A (en) 2005-07-12
EP1537365A1 (en) 2005-06-08
ES2381035T5 (en) 2016-05-06
AU2003266997A1 (en) 2004-04-30
ES2381035T3 (en) 2012-05-22
US20050241495A1 (en) 2005-11-03

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