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EP0699871B1 - Door for a cooking apparatus - Google Patents

Door for a cooking apparatus Download PDF

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Publication number
EP0699871B1
EP0699871B1 EP95110561A EP95110561A EP0699871B1 EP 0699871 B1 EP0699871 B1 EP 0699871B1 EP 95110561 A EP95110561 A EP 95110561A EP 95110561 A EP95110561 A EP 95110561A EP 0699871 B1 EP0699871 B1 EP 0699871B1
Authority
EP
European Patent Office
Prior art keywords
door
bearing
oven
door according
oven door
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
EP95110561A
Other languages
German (de)
French (fr)
Other versions
EP0699871A3 (en
EP0699871A2 (en
Inventor
Michael Dipl.-Ing. Kieslinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP0699871A2 publication Critical patent/EP0699871A2/en
Publication of EP0699871A3 publication Critical patent/EP0699871A3/en
Application granted granted Critical
Publication of EP0699871B1 publication Critical patent/EP0699871B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/04—Doors specially adapted for stoves or ranges with transparent panels

Definitions

  • the invention relates to a stove door of a cooker according to the preamble of claim 1.
  • a known stove door (DE-A-28 10 123) is as a front panel the stove door provided an outer pane of glass while at the inner boundary of the door floor another inner one Glass pane is arranged.
  • For connecting door panels and Front panel are on the inside of the outer glass panel Angle rails attached by gluing, with appropriate Holding elements of the inner door floor are connected.
  • Another stove door (DE-A-32 38 441) is also on the lower one Bounding an angled glass front panel Holding element glued to the bottom bar of the door panel locked in place while at the top of the door the outer Glass pane in a bar surrounding this Door floor is held.
  • the invention is based, such a stove door the task for a cooker to improve so that even when available relatively numerous door elements, the structural design, the assembly and in particular the formation of product variants simplified and that when operating the cooker thermal energy generated at least largely at the passage is prevented by the stove door and there is a cool stove front results.
  • the connecting elements are multiple Assigned function.
  • the connecting elements serve from the inner and outer door assembly the mounting of further door elements, e.g. one funnel-like, including and through the door window its aperture determining frame, the bracket and positional accuracy Fixing side front strips and the like. More inside the outer door assembly.
  • the aforementioned Door assemblies connected to each other in that the connecting elements via an adhesive connection with the front panel in Are connected, which in turn increases the thermal conductivity this mechanical connection is reduced.
  • General will a very low heat exchange capacity between and outside Door assembly achieved in that the contact points within the outer door assembly and with the door bottom essentially limited to individual points of contact.
  • the connecting elements made sure that the connection of the door assemblies and the door elements by self-centering, so that a The highest level of mechanized production can be achieved.
  • the cooker shown in Figure 1 is a so-called built-in cooker, the front of which is embossed through a large stove door 1, behind which there is a baking chamber is located, and by a control panel 2 with a variety of switching and display elements located above the Stove door 1 is located.
  • the stove door is on the top with a Handle 3 and has a door window in the door center 4, formed by a transparent front, rectangular section of one in the embodiment Glass or vitreous material existing continuous Front plate 5. Both the control panel and the stove door is delimited on both sides by vertical edge strips 6 which releasably connected to the stove door 1 or the control panel 2 are.
  • the stove door 1 can be used as a so-called folding door Bottom arranged folding axis or as a drawer-like sliding stove door or the like. Equipped.
  • the stove door 1 shown in sectional view in Fig. 2 consists in essentially of two door assemblies, namely an inner one Door assembly 7 and an outer door assembly 8.
  • the inner, The door assembly facing the cooking treatment room has as supporting part a metallic door floor 9, which in the embodiment a tub-like part 10 and one in circumference smaller ones too, pronounced towards the cooking treatment room has rectangular part 11.
  • a glass panel composite is in the last-mentioned door base part 11 12 arranged with support rails 13, this inner door panel part 11 is also rectangular Has window opening 14, in which an innermost glass pane 15 or in the presence of a microwave device a metal grill or perforated plate in the stove is arranged and attached.
  • On both sides of the door panel 10 attached e.g.
  • the outer door assembly 8 has one as the outermost limitation Front plate 5, which extends practically over the entire door area extends.
  • this front panel 5 is a single disc shown.
  • a summary of FIGS. 2 and 3 and 4 shows that in the lower area and on both sides of the front panel 5th metallic, e.g. because of Thermal expansion consisting of resilient spring material Connecting elements 20 arranged and on attachment lugs 21 by an adhesive material 22 on the inside the front panel 5 are attached by gluing, these Fastening approaches 21 have pronounced knobs 23, through the one gap that allows correct gluing the aforementioned attachment lugs 21 and the front panel 5 is obtained.
  • Each connector 20 is essentially T-shaped and has the fastening approaches already mentioned 21, which are on a common level and are arranged in the region of an axis of symmetry X. Between the two attachment lugs 21 is one bridge-like, forming a fastening approach 24, which are on both sides of the symmetry axis X bearing flaps 25 cut free in pairs with bearing edges 26 and also on both sides of the axis of symmetry X on extended Lugs 27 adjustment edges 28a and 28b (see Fig. 6a) to 6d).
  • Fig. 7b shows the arrangement in plan view, the frame 31 is inserted into the bearing groove or bearing grooves 30.
  • the adjacent frame part is supported on the support projection 29 and is due to the leverage against an edge of the bearing groove 30 pressed.
  • the connecting element 20 following the inner Attachment projection 21 on the T-shaped legs of the part 21 L-shaped uprights 32 has the connection with the inner surface of the front plate 5 grooves 33 forms.
  • a fastening projection can be inserted into these receiving grooves 33 34 of the margin 6 mentioned at the beginning.
  • Edge strip 6 made of aluminum material has on the front a curved profile and a longitudinal groove 35 into which the vertical boundary edge of the front panel 5 engages.
  • the Fastening projection 34 has the direction of insertion of the edge strip (Arrow) sloping and facing each other Adjustment surfaces 36 and 37, which 6 centering with the likewise beveled edge 38 of the receptacle 32 and with the side edge of the front panel 5 interact.
  • the connecting element 20 has in the area the middle receptacle 32 a centering lug 39 which with a Centering groove 40 of the edge strip 6 interacts in such a way that a precise fixation of the edge strip 6 with respect to the stove door is achieved. It is envisaged that at points 41 a screw connection between the receptacles 32 and the fastening attachment 34 is present.
  • Figs. 2 and 5 it follows that in a similar manner as in the lower area of the oven door 1, also in the upper area 5 connecting elements 42 are provided on the inside of the front plate are that with mounting lugs 43 immediately with are glued to the inside of the front panel 5.
  • Any fastener 42 has an approximately U-shaped bow 44 and an essentially L-shaped fastening projection 45 on, the latter fastening attachment 45 the bracket 44 towers.
  • In the free-standing leg of the bracket 44 is in the form of a free cut an approximately diamond-shaped cabinet flap 46 designed to fix a still described Door element, e.g. is rotatable by 90 °.
  • the unfree Leg of the bracket 44 has a substantially circular Locking recess 47, with the attachment projection 45 with one e.g.
  • connection element 42 it is part of the connecting element 42 another receptacle 49, which is similar to the receptacle 32 on the connecting element 20 is formed, but without a centering approach, but with a bevelled edge.
  • edge-side margin 6 which, as Fig. 5 shows, substantially is designed as a hollow body.
  • Connecting elements 42 have the lower connecting elements 20 has a symmetrical shape so that it is in mirror image Arrangement attached to both sides of the front panel 5 can be.
  • a door element associated with the outer door assembly 8 On the connecting elements 20 provided in pairs and 42 is a door element associated with the outer door assembly 8, namely the frame 31 attached.
  • This frame owns a flat base 50 and one except the corner areas circumferential, towards the inner door assembly 7 or step-shaped oblique flange 51, which is the aperture of the see-through window the stove door 1 forms or limits.
  • the frame 31 with Cut-outs available on both sides of the lower frame boundary Bearing edges 52 in the bearing grooves 30 of the connecting element 20 in that shown in FIGS. 7a) to 7c) Introduced in such a way, with inclined centering edges 53 facilitate the precise assembly.
  • the frame 31 has L-shaped tabs 54 with each end a spherical section-shaped locking expression 55 and with a slot-like fastening opening, being after adjusting of the frame in the lower connecting elements 20 of this frame 31 pressed in the direction of the upper connecting elements 42 , with which the latching features 55 in the latching depressions 47 of the connecting element 42 latch and the last mentioned slot-like fastening opening engages behind the cabinet flaps 46, after which these closet doors twisted and thus the Frame 31 is fixed.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Stoves And Ranges (AREA)
  • Electric Ovens (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Abstract

The door consists of an inner base (9) for the door, and a front plate (5), which forms the front side of the door, and which is made preferably from glass, or a glass-like material. The plate is connected to the base by elements (20,42), which also serve as supports for an additional elements (31), of an external door subassembly (8). The connecting elements have points of contact with the base, which have a small capability for exchanging heat. They may be arranged in pairs, with the element (20) on one side locating the additional door elements substantially by shape-mating, and the element (42) on the opposite side locating them substantially by friction.

Description

Die Erfindung bezieht sich auf eine Herdtür eines Kochherdes gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to a stove door of a cooker according to the preamble of claim 1.

Bei einer bekannten Herdtür (DE-A-28 10 123) ist als Frontplatte der Herdtür eine äußere Glasscheibe vorgesehen, während an der inneren Begrenzung des Türbodens eine weitere, innere Glasscheibe angeordnet ist. Zur Verbindung von Türboden und Frontplatte sind an der Innenseite der äußeren Glasscheibe Winkelschienen durch Kleben befestigt, die mit entsprechenden Halteelementen des inneren Türbodens verbunden sind. Bei einer anderen Herdtür (DE-A-32 38 441) ist ebenfalls an der unteren Begrenzung einer frontseitigen Glasplatte ein winkelartiges Halteelement angeklebt, das mit einer unteren Leiste des Türbodens verrastet, während an der Oberseite der Tür die äußere Glasscheibe in einer diese umgreifenden Leiste des inneren Türboden gehalten ist.In a known stove door (DE-A-28 10 123) is as a front panel the stove door provided an outer pane of glass while at the inner boundary of the door floor another inner one Glass pane is arranged. For connecting door panels and Front panel are on the inside of the outer glass panel Angle rails attached by gluing, with appropriate Holding elements of the inner door floor are connected. At a Another stove door (DE-A-32 38 441) is also on the lower one Bounding an angled glass front panel Holding element glued to the bottom bar of the door panel locked in place while at the top of the door the outer Glass pane in a bar surrounding this Door floor is held.

Aus der US-A- 3 828 763 ist eine weitere Herdtür mit äußerer Glasscheibe bekannt.From US-A-3 828 763 is another stove door with an outer Glass pane known.

Der Erfindung liegt die Aufgabe zugrunde, eine derartige Herdtür für einen Kochherd so zu verbessern, daß auch bei Vorhandensein relativ zahlreicher Türelemente der konstruktive Aufbau, die Montage und insbesondere auch die Bildung von Produktvarianten vereinfacht und die bei Betrieb des Kochherdes gebildete Wärmeenergie zumindest weitestgehend am Durchtritt durch die Herdtür gehindert wird und sich eine kühle Herdfront ergibt.The invention is based, such a stove door the task for a cooker to improve so that even when available relatively numerous door elements, the structural design, the assembly and in particular the formation of product variants simplified and that when operating the cooker thermal energy generated at least largely at the passage is prevented by the stove door and there is a cool stove front results.

Diese Aufgabe wird erfindungsgemäß gelöst durch die im Patentanspruch 1 angegebenen Maßnahmen. Ausgestaltungen der Erfindung ergeben sich aus den nachfolgenden Patentansprüchen.This object is achieved by the claim 1 specified measures. Embodiments of the invention result from the following patent claims.

Erfindungsgemäß ist den Verbindungselementen eine mehrfache Funktion zugeordnet. Zusätzlich zur mechanischen Verbindung von innerer und äußerer Türbaugruppe dienen die Verbindungselemente der Halterung weiterer Türelemente, wie z.B. eines trichterartigen, das Tür-Durchsichtfenster umfassenden und seine Apertur bestimmenden Rahmens, der Halterung und Lagegenauen Fixierung seitlicher Frontleisten und dgl. mehr innerhalb der äußeren Türbaugruppe. Vorzugsweise werden die vorgenannten Türbaugruppen dadurch miteinander verbunden, daß die Verbindungseiemente über eine Klebeverbindung mit der Frontplatte in Verbindung stehen, wodurch wiederum die Wärmeleitfähigkeit dieser mechanischen Verbindung reduziert wird. Allgemein wird ein sehr geringes Wärmetauschvermögen zwischen und äußerer Türbaugruppe dadurch erreicht, daß die Kontaktstellen innerhalb der äußeren Türbaugruppe und mit dem Türboden im wesentlichen auf einzelne Berührungspunkte begrenzt werden. Ferner ist durch die besondere Ausgestaltung der Verbindungselemente dafür Sorge getragen, daß die Verbindung der Türbaugruppen und der Türelemente durch Selbstzentrierung erfolgt, so daß ein Höchstmaß an mechanisierter Fertigung erreichbar ist.According to the invention, the connecting elements are multiple Assigned function. In addition to the mechanical connection The connecting elements serve from the inner and outer door assembly the mounting of further door elements, e.g. one funnel-like, including and through the door window its aperture determining frame, the bracket and positional accuracy Fixing side front strips and the like. More inside the outer door assembly. Preferably the aforementioned Door assemblies connected to each other in that the connecting elements via an adhesive connection with the front panel in Are connected, which in turn increases the thermal conductivity this mechanical connection is reduced. General will a very low heat exchange capacity between and outside Door assembly achieved in that the contact points within the outer door assembly and with the door bottom essentially limited to individual points of contact. Further is due to the special design of the connecting elements made sure that the connection of the door assemblies and the door elements by self-centering, so that a The highest level of mechanized production can be achieved.

Die Erfindung ist anhand von in der Zeichnung dargestellten Ausführungsbeispielen nachstehend erläutert. Es zeigt:

Fig. 1
die Frontansicht eines Kochherdes,
Fig. 2
die Schnittansicht II-II der Herdtür des Kochherdes gemäß Fig. 1,
Fig. 3
eine vergrößerte und vereinfacht dargestellte Schnittansicht III-III eines Teiles der Herdtür gemäß Fig. 2,
Fig. 4
die Draufsicht in Richtung A (Fig. 2) des HerdtürBereiches gemäß Fig. 3,
Fig. 5
die Schnittansicht V-V gemäß Fig. 2,
Fig. 6a) bis Fig. 6d)
eine Verdeutlichung der Verbindung zwischen äußerer und innerer Türbaugruppe der Herdtür gemäß Fig. 2 in schematischen Detail-Darstellungen,
Fig. 7a) bis Fig. 7c)
eine Verdeutlichung der Verbindung eines als Rahmen ausgebildeten Türelements der äußeren Türbaugruppe mit dem zugeordneten Verbindungselemente in einzelnen Detaildarstellungen.
The invention is explained below with reference to exemplary embodiments shown in the drawing. It shows:
Fig. 1
the front view of a cooker,
Fig. 2
2 shows the sectional view II-II of the stove door of the cooker according to FIG. 1,
Fig. 3
3 shows an enlarged and simplified sectional view III-III of part of the stove door according to FIG. 2,
Fig. 4
the top view in direction A (FIG. 2) of the stove door area according to FIG. 3,
Fig. 5
the sectional view VV of FIG. 2,
6a) to 6d)
an illustration of the connection between the outer and inner door assembly of the stove door according to FIG. 2 in schematic detail representations,
7a) to 7c)
an illustration of the connection of a door element designed as a frame of the outer door assembly with the associated connecting elements in individual detailed representations.

Bei dem in Figur 1 dargestellten Kochherd handelt es sich um einen sogenannten Einbauherd, dessen Frontseite geprägt ist durch eine großflächige Herdtür 1, hinter der sich ein Backraum befindet, und durch ein Bedientableau 2 mit einer Vielzahl von Schalt- und Anzeigeelementen, das sich oberhalb der Herdtür 1 befindet. Die Herdtür ist an der Oberseite mit einem Handgriff 3 versehen und besitzt im Türzentrum ein Tür-Durchsichtfenster 4, frontseitig gebildet durch einen transparenten, rechteckigen Abschnitt einer im Ausführungsbeispiel aus Glas oder glasartigem Material bestehenden durchgehenden Frontplatte 5. Sowohl das Bedientableau als auch die Herdtür ist beidseitig begrenzt durch senkrechte Randleisten 6, die lösbar mit der Herdtür 1 bzw. dem Bedientableau 2 verbunden sind. Die Herdtür 1 kann als sogenannte Klapptür mit an der Unterseite angeordneter Klappachse oder als schubladenartig verschiebbare Herdtür oder dgl. ausgestattet sein.The cooker shown in Figure 1 is a so-called built-in cooker, the front of which is embossed through a large stove door 1, behind which there is a baking chamber is located, and by a control panel 2 with a variety of switching and display elements located above the Stove door 1 is located. The stove door is on the top with a Handle 3 and has a door window in the door center 4, formed by a transparent front, rectangular section of one in the embodiment Glass or vitreous material existing continuous Front plate 5. Both the control panel and the stove door is delimited on both sides by vertical edge strips 6 which releasably connected to the stove door 1 or the control panel 2 are. The stove door 1 can be used as a so-called folding door Bottom arranged folding axis or as a drawer-like sliding stove door or the like. Equipped.

Die in Schnittansicht in Fig. 2 gezeigte Herdtür 1 besteht im wesentlichen aus zwei Türbaugruppen, und zwar aus einer inneren Türbaugruppe 7 und einer äußeren Türbaugruppe 8. Die innere, dem Garbehandlungsraum zugewandte Türbaugruppe besitzt als tragenden Teil einen metallischen Türboden 9, der beim Ausführungsbeispiel einen wannenartigen Teil 10 und einen im Umfang kleineren, zum Garbehandlungsraum hin ausgeprägten, ebenfalls rechteckförmigen Teil 11 besitzt. Wie nachstehend noch näher erläutert, ist im zuletzt genannten Türbodenteil 11 ein Glasscheibenverbund 12 mit Halteschienen 13 angeordnet, wobei dieser innere Türbodenteil 11 einen ebenfalls rechteckförmigen Fensterausschnitt 14 besitzt, in welchem eine innerste Glasscheibe 15 oder aber im Falle des Vorhandenseins einer Mikrowelleneinrichtung im Kochherd ein Metallgitter oder eine Lochplatte angeordnet und befestigt ist. Beidseitig am Türbodenteil 10 befestigt, z.B. angeschweißt sind senkrecht stehende und vielfach profilierte Schienen 16, die im unteren Bereich flache, in Richtung der äußeren Türbaugruppe 8 abgebogene, im wesentlichen plattenartige Lagerlaschen 17 aufweisen. Diese im Bereich der seitlichen Begrenzungen des Türbodens 9 und damit der Herdtür 1 angeordnete Lagerlaschen besitzen nach oben gerichtete Lagernuten 18, wie anhand der Figuren 6a) und 6c) verdeutlicht, mit schräg verlaufenden Justierkanten 19. The stove door 1 shown in sectional view in Fig. 2 consists in essentially of two door assemblies, namely an inner one Door assembly 7 and an outer door assembly 8. The inner, The door assembly facing the cooking treatment room has as supporting part a metallic door floor 9, which in the embodiment a tub-like part 10 and one in circumference smaller ones too, pronounced towards the cooking treatment room has rectangular part 11. As detailed below explained, a glass panel composite is in the last-mentioned door base part 11 12 arranged with support rails 13, this inner door panel part 11 is also rectangular Has window opening 14, in which an innermost glass pane 15 or in the presence of a microwave device a metal grill or perforated plate in the stove is arranged and attached. On both sides of the door panel 10 attached, e.g. welded are vertical and multiple profiled rails 16, the lower area flat, bent towards the outer door assembly 8, in have essential plate-like bearing tabs 17. This in Area of the lateral boundaries of the door base 9 and thus the oven door 1 arranged bearing tabs have upward Bearing grooves 18, as shown in Figures 6a) and 6c) clarified, with sloping adjustment edges 19.

Die äußere Türbaugruppe 8 besitzt als äußerste Begrenzung eine Frontplatte 5, die sich praktisch über die gesamte Türfläche erstreckt. In Fig. 3 ist diese Frontplatte 5 als Einfachscheibe dargestellt. Eine Zusammenschau von Fig. 2 und Fig. 3 und 4 zeigt, daß im unteren Bereich und beidseitig der Frontplatte 5 nachstehend näher erläuterte metallische, z.B. aus Gründen der Wärmeausdehnung aus elastisch nachgiebigem Federmaterial bestehende Verbindungselemente 20 angeordnet und an Befestigungsansätzen 21 durch ein Klebematerial 22 an der Innenseite der Frontplatte 5 durch Ankleben befestigt sind, wobei diese Befestigungsansätze 21 ausgeprägte Noppen 23 besitzen, durch die ein, eine korrekte Verklebung erlaubender Spalt zwischen den vorgenannten Befestigungsansätzen 21 und der Frontplatte 5 erhalten wird. Jedes Verbindungselement 20 ist im wesentlichen T-förmig ausgebildet und besitzt die schon erwähnten Befestigungsansätze 21, die sich in einer gemeinsamen Ebene befinden und im Bereich einer Symmetrieachse X angeordnet sind. Zwischen den beiden Befestigungsansätzen 21 befindet sich eine brückenartige, einen Befestigungsansatz bildenden Ausprägung 24, die am Ausprägungsboden beidseitig der Symmetrieachse X paarweise freigeschnittene Lagerlappen 25 mit Lagerkanten 26 sowie ebenfalls beidseitig der Symmetrieachse X an verlängerten Ansätzen 27 Justierkanten 28a und 28b (siehe hierzu Fig. 6a) bis 6d) besitzt. In Richtung der Symmetrieachse X im Anschluß an die Ausprägung 24 ebenfalls beidseitig der Symmetrieachse X am Verbindungselement 20 vorgesehen sind hochgebogene Spannansätze 29, deren Funktion weiter unten erläutert wird. Aus Fig. 7a) ist die Ausprägung 24 in Seitenansicht erkennbar. Sie besitzt im Bereich der Übergangsstellen zu den Befestigungsansätzen 21 Lagernuten 30, vorzugsweise in beiden Schenkeln der Ausprägung 24, die in schräge Justierkanten 28b übergehen, in Höhe welcher sich die Stützansätze 29 befinden. The outer door assembly 8 has one as the outermost limitation Front plate 5, which extends practically over the entire door area extends. In Fig. 3, this front panel 5 is a single disc shown. A summary of FIGS. 2 and 3 and 4 shows that in the lower area and on both sides of the front panel 5th metallic, e.g. because of Thermal expansion consisting of resilient spring material Connecting elements 20 arranged and on attachment lugs 21 by an adhesive material 22 on the inside the front panel 5 are attached by gluing, these Fastening approaches 21 have pronounced knobs 23, through the one gap that allows correct gluing the aforementioned attachment lugs 21 and the front panel 5 is obtained. Each connector 20 is essentially T-shaped and has the fastening approaches already mentioned 21, which are on a common level and are arranged in the region of an axis of symmetry X. Between the two attachment lugs 21 is one bridge-like, forming a fastening approach 24, which are on both sides of the symmetry axis X bearing flaps 25 cut free in pairs with bearing edges 26 and also on both sides of the axis of symmetry X on extended Lugs 27 adjustment edges 28a and 28b (see Fig. 6a) to 6d). In the direction of the axis of symmetry X in the connection to the shape 24 also on both sides of the axis of symmetry X are provided on the connecting element 20 are bent up Clamping lugs 29, the function of which is explained below becomes. From Fig. 7a), the expression 24 can be seen in a side view. In the area of the transition points to the Attachment approaches 21 bearing grooves 30, preferably in both Legs of the expression 24, which in oblique adjustment edges 28b pass at the level at which the support lugs 29 are located.

Durch die Justierkanten 28b wird das Einsetzen eines flachen Türelementes, z.B. eines nachbeschriebenen Rahmens 31 in Pfeilrichtung in die Lagernut 30 vereinfacht.Through the adjustment edges 28b the insertion of a flat Door element, e.g. a frame 31 described in Direction of arrow in the bearing groove 30 simplified.

Fig. 7b) zeigt die Anordnung in Draufsicht, wobei der Rahmen 31 in die Lagernut oder Lagernuten 30 eingesteckt ist. Beim Verschwenken bzw. Senkrechtstellen des Rahmens 31 gemäß Fig. 7c) stützt sich der benachbarte Rahmenteil am Stützansatz 29 ab und wird infolge der Hebelwirkung gegen eine Kante der Lagernut 30 gedrückt. Aus den Figuren 3 und 4 ist ferner zu ersehen, daß das Verbindungselement 20 im Anschluß an den inneren Befestigungsansatz 21 an den T-förmigen Schenkeln des Teiles 21 L-förmig hochgebogene Aufnahmen 32 besitzt, die in Verbindung mit der Innenfläche der Frontplatte 5 Aufnahmenuten 33 bildet. In diese Aufnahmenuten 33 einsetzbar ist ein Befestigungsansatz 34 der eingangs erwähnten Randleiste 6. Diese z.B. aus Aluminium-Material bestehende Randleiste 6 besitzt frontseitig ein gewölbtes Profil sowie eine Längsnut 35, in die die senkrechte Begrenzungskante der Frontplatte 5 eingreift. Der Befestigungsansatz 34 besitzt zur Einsetzrichtung der Randleiste (Pfeil) schräg verlaufende und gegeneinander gerichtete Justierflächen 36 und 37, die beim Einsetzen der Randleiste 6 zentrierend mit dem ebenfalls abgeschrägten Rand 38 der Aufnahme 32 und mit der seitlichen Begrenzungskante der Frontplatte 5 zusammenwirken. Das Verbindungselement 20 besitzt im Bereich der mittleren Aufnahme 32 einen Zentrieransatz 39, der mit einer Zentriernut 40 der Randleiste 6 derart zusammenwirkt, daß eine lagegenaue Fixierung der Randleiste 6 gegenüber der Herdtür erreicht wird. Es ist vorgesehen, daß an den Stellen 41 eine Schraubverbindung zwischen den Aufnahmen 32 und dem Befestigungsansatz 34 vorhanden ist.Fig. 7b) shows the arrangement in plan view, the frame 31 is inserted into the bearing groove or bearing grooves 30. At the Swiveling or verticalization of the frame 31 according to FIG. 7c) the adjacent frame part is supported on the support projection 29 and is due to the leverage against an edge of the bearing groove 30 pressed. It can also be seen from FIGS. 3 and 4 that that the connecting element 20 following the inner Attachment projection 21 on the T-shaped legs of the part 21 L-shaped uprights 32 has the connection with the inner surface of the front plate 5 grooves 33 forms. A fastening projection can be inserted into these receiving grooves 33 34 of the margin 6 mentioned at the beginning. Edge strip 6 made of aluminum material has on the front a curved profile and a longitudinal groove 35 into which the vertical boundary edge of the front panel 5 engages. The Fastening projection 34 has the direction of insertion of the edge strip (Arrow) sloping and facing each other Adjustment surfaces 36 and 37, which 6 centering with the likewise beveled edge 38 of the receptacle 32 and with the side edge of the front panel 5 interact. The connecting element 20 has in the area the middle receptacle 32 a centering lug 39 which with a Centering groove 40 of the edge strip 6 interacts in such a way that a precise fixation of the edge strip 6 with respect to the stove door is achieved. It is envisaged that at points 41 a screw connection between the receptacles 32 and the fastening attachment 34 is present.

Aus den Fig. 2 und 5 ergibt sich, daß in ähnlicher Weise wie im unteren Bereich der Herdtür 1, auch im oberen Bereich an der Innenseite der Frontplatte 5 Verbindungselemente 42 vorgesehen sind, die mit Befestigungsansätzen 43 unmittelbar mit der Innenseite der Frontplatte 5 verklebt sind. Jedes Verbindungselement 42 weist einen in etwa U-förmig gebogenen Bügel 44 sowie einen im wesentlichen L-förmigen Befestigungsansatz 45 auf, wobei der letztgenannte Befestigungsansatz 45 den Bügel 44 überragt. Im freistehenden Schenkel des Bügels 44 ist in Form eines Freischnittes ein etwa rautenförmiger Schränklappen 46 ausgebildet, der zur Fixierung eines noch beschriebenen Türelementes, z.B. um 90° verdrehbar ist. Der unfreie Schenkel des Bügels 44 besitzt eine im wesentliche kreisförmige Rastvertiefung 47, während der Befestigungsansatz 45 mit einer z.B. langlochartigen Befestigungsöffnung 48 versehen ist. Schließlich ist Bestandteil des Verbindungselementes 42 noch eine Aufnahme 49, die ähnlich wie die Aufnahme 32 am Verbindungselement 20 ausgebildet ist, allerdings ohne Zentrieransatz, jedoch mit abgeschrägtem Rand. In diese Aufnahme 49 einsteckbar ist das beim Ausführungsbeispiel obere Ende der randseitigen Randleiste 6, die, wie Fig. 5 zeigt, im wesentlichen als Hohlkörper ausgebildet ist. Im Gegensatz zu den oberen Verbindungselementen 42 weisen die unteren Verbindungselemente 20 eine symmetrische Form auf, so daß sie in spiegelbildlicher Anordnung an beiden Seiten der Frontplatte 5 befestigt werden können.From Figs. 2 and 5 it follows that in a similar manner as in the lower area of the oven door 1, also in the upper area 5 connecting elements 42 are provided on the inside of the front plate are that with mounting lugs 43 immediately with are glued to the inside of the front panel 5. Any fastener 42 has an approximately U-shaped bow 44 and an essentially L-shaped fastening projection 45 on, the latter fastening attachment 45 the bracket 44 towers. In the free-standing leg of the bracket 44 is in the form of a free cut an approximately diamond-shaped cabinet flap 46 designed to fix a still described Door element, e.g. is rotatable by 90 °. The unfree Leg of the bracket 44 has a substantially circular Locking recess 47, with the attachment projection 45 with one e.g. provided slot-like mounting opening 48 is. Finally, it is part of the connecting element 42 another receptacle 49, which is similar to the receptacle 32 on the connecting element 20 is formed, but without a centering approach, but with a bevelled edge. In this shot 49 the upper end of the embodiment can be inserted edge-side margin 6, which, as Fig. 5 shows, substantially is designed as a hollow body. In contrast to the above Connecting elements 42 have the lower connecting elements 20 has a symmetrical shape so that it is in mirror image Arrangement attached to both sides of the front panel 5 can be.

An den jeweils paarweise vorgesehenen Verbindungselementen 20 und 42 ist ein der äußeren Türbaugruppe 8 zugeordnetes Türelement, nämlich der Rahmen 31 befestigt. Dieser Rahmen besitzt eine ebene Basis 50 und einen mit Ausnahme der Eckenbereiche umlaufenden, zur inneren Türbaugruppe 7 hin stufenförmig oder schräg verlaufenden Flansch 51, der die Apertur des Durchsichtfensters der Herdtür 1 bildet bzw. begrenzt. Bei der Vormontage der äußeren Türbaugruppe 8 wird der Rahmen 31 mit beidseitig an der unteren Rahmenbegrenzung vorhandenen, ausgeschnittenen Lagerkanten 52 in die Lagernuten 30 des Verbindungselementes 20 in der in den Fig. 7a) bis 7c) gezeigten Weise eingebracht, wobei schräg verlaufende Zentrierkanten 53 das lagegenaue Zusammenfügen erleichtern. Nach dem schrägen Einstellen des Rahmens 31 in die Lagernuten 30 wird, wie schon erläutert, der Rahmen 31 in die senkrechte Stellung gedrückt, womit sich die Basis 50 des Rahmens 31 an den zugeordneten Stützansätzen 29 abstützt und rüttelfrei fixiert wird. Am oberen Ende besitzt der Rahmen L-förmige Laschen 54 mit jeweils einer kugelabschnittsförmigen Rastausprägung 55 und mit einer langlochartigen Befestigungsöffnung, wobei nach dem Einstellen des Rahmens in die unteren Verbindungselemente 20 dieser Rahmen 31 in Richtung der oberen Verbindungselemente 42 gedrückt wird, womit die Rastausprägungen 55 in den Rastvertiefungen 47 des Verbindungselementes 42 verrasten und die zuletzt genannte langlochartige Befestigungsöffnung die Schränklappen 46 hintergreift, wonach diese Schränklappen verdreht und damit der Rahmen 31 fixiert wird.On the connecting elements 20 provided in pairs and 42 is a door element associated with the outer door assembly 8, namely the frame 31 attached. This frame owns a flat base 50 and one except the corner areas circumferential, towards the inner door assembly 7 or step-shaped oblique flange 51, which is the aperture of the see-through window the stove door 1 forms or limits. During pre-assembly the outer door assembly 8, the frame 31 with Cut-outs available on both sides of the lower frame boundary Bearing edges 52 in the bearing grooves 30 of the connecting element 20 in that shown in FIGS. 7a) to 7c) Introduced in such a way, with inclined centering edges 53 facilitate the precise assembly. After the weird Setting the frame 31 in the bearing grooves 30 will, as already explained, the frame 31 pressed into the vertical position, whereby the base 50 of the frame 31 adjoins the associated one Support approaches 29 is supported and fixed without vibrations. At the top The frame has L-shaped tabs 54 with each end a spherical section-shaped locking expression 55 and with a slot-like fastening opening, being after adjusting of the frame in the lower connecting elements 20 of this frame 31 pressed in the direction of the upper connecting elements 42 , with which the latching features 55 in the latching depressions 47 of the connecting element 42 latch and the last mentioned slot-like fastening opening engages behind the cabinet flaps 46, after which these closet doors twisted and thus the Frame 31 is fixed.

Eine Verbindung von innerer Türbaugruppe 7 und äußerer Türbaugruppe 8 erfolgt nun dadurch, daß die äußere Türbaugruppe 8 mit den Lagerlappen 25 der unteren Verbindungselemente 20 in die Lagernuten 18 der Lagerlaschen 17 des Türbodens 9 in der anhand der Fig. 6a) bis 6d) erläuterten Weise eingebracht und rüttelfrei fixiert werden, wobei, wie insbesondere Fig. 6c) zeigt, die weitgehend elastischen, aus dem Blechmaterial des Verbindungselementes 20 herausgerissenen Lagerlappen 25 sich weitgehend elastisch an einer Begrenzungskante der jeweiligen Lagernut 18 abstützen, während die innere Fläche der U-förmigen Ausprägung 24 sich an der gegenüberliegenden Nutkante abstützt. Hierbei stehen die Lagerteile von innerer und äußerer Türbaugruppe 7, 8 Kante auf Kante, wobei aufgrund der kleinflächigen Berührung diese Verbindungsstelle ein nur geringfügiges Wärmetauschvermögen besitzt. An der oberen Seite erfolgt eine kraftschlüssige Verbindung der beiden Türbaugruppen mittels des Befestigungsansätze 45 der oberen Verbindungselemente 42 und der eingekröpften Ansätze 56 des Türbodens 9 mittels Schrauben oder sonstiger Verbindungsmittel (Fig. 5).A connection between the inner door assembly 7 and the outer door assembly 8 now takes place in that the outer door assembly 8th with the bearing tabs 25 of the lower connecting elements 20 in the bearing grooves 18 of the bearing plates 17 of the door bottom 9 in the introduced with reference to FIGS. 6a) to 6d) and are fixed without vibrations, whereby, as in particular Fig. 6c) shows the largely elastic, from the sheet material of the Connecting element 20 torn out bearing tab 25 itself largely elastic at a boundary edge of the respective Support bearing groove 18 while the inner surface of the U-shaped Expression 24 is supported on the opposite groove edge. Here the bearing parts are from the inside and outside Door assembly 7, 8 edge to edge, due to the small area Touch this junction a little Has heat exchange capacity. On the top side a non-positive connection between the two door assemblies of the attachment lugs 45 of the upper connecting elements 42 and the cranked lugs 56 of the door bottom 9 by means of Screws or other connecting means (Fig. 5).

Bei der Darstellung gemäß Fig. 3 ist der Vollständigkeit halber noch der Randteil einer hinter der Herdtür 1 angeordneten Backofenmuffel 57 zu sehen, auf deren Flansch 58 die Herdtür 1 mit dem Türboden 9 und der Zwischenlage einer Dichtung 59 beim Schließen der Herdtür aufsetzbar ist. In dem Fensterausschnitt 14 des Türbodens 9 ist eine innere Glasscheibe 15 gehalten. Während beim Ausführungsbeispiel gemäß Fig. 3 der Türboden lediglich wannenartig ausgebildet ist, besteht beim Ausführungsbeispiel gemäß Fig. 5 der Türboden - wie schon erläutert - aus zwei stufenförmig abgesetzten Türbodenteilen 10 und 11. Hierbei sind im innersten Türbodenteil 11 die schon erwähnten Halteschienen 13 für innere Glasscheiben angeordnet.3 is for the sake of completeness still the edge part of a behind the stove door 1 arranged Oven muffle 57 can be seen, on the flange 58 of which the oven door 1 with the door bottom 9 and the intermediate layer of a seal 59 at Closing the stove door is attachable. In the window 14 of the door bottom 9, an inner glass pane 15 is held. While in the embodiment shown in FIG. 3, the door floor only is trough-like, exists in the embodiment 5 the door floor - as already explained - from two stepped door floor parts 10 and 11. Here are the holding rails already mentioned in the innermost door base part 11 13 arranged for inner glass panes.

Claims (13)

  1. Oven door of a cooking oven, consisting of an inner door base (9) and a front plate (5) preferably of glass or glass-like material which forms the door front side and which is connected with the door base by way of connecting elements (20, 42) fastened directly or indirectly to the front plate (5), wherein the connecting elements (20, 42) serve as supports for additional door elements (6, 31) of an outer door subassembly (8) and are connected with the door base (9) by way of contact points of low heat exchange capacity, characterised in that at least one of the connecting elements (20) has a receptacle (32) which is open towards the lateral door boundary and in which an edge strip (6), which is arranged along the lateral edge of the front plate (5) and engages over this, is insertable and fixable by a fastening projection (34).
  2. Oven door according to claim 1, characterised in that connecting elements (20, 42) are provided, preferably respectively in pairs, in the region of mutually opposite door sides and enable fixing of the additional door elements and connection with the door base (9) on the one hand substantially by shape-locking connection (20) and on the other hand substantially by force-locking connection (42).
  3. Oven door according to claim 2, characterised in that each connecting element (20), which is fixed by shape-locking connection, has, for connection with the door base (9), bearing edges (26) or bearing grooves which engage in bearing grooves (18) or bearing edges of bearing tongues (17) arranged at the door base (9).
  4. Oven door according to one of the preceding claims, characterised in that each connecting element (20), which is fixed by shape-locking connection, has bearing grooves (30) in which a door element preferably formed as a frame (31) embracing a door transparent window (4) is insertable.
  5. Oven door according to claim 3 and/or 4, characterised in that adjusting edges or adjusting surfaces (28a, b) extending obliquely relative to the insertion direction adjoin the bearing edges and/or bearing grooves.
  6. Oven door according to one of claims 3 and 4, characterised in that tightening projections (29) for the mutual play-free tightening of connecting elements (20) and door base (9) or door element are provided at the connecting element (20) in the region of the bearing edge and/or bearing groove (30).
  7. Oven door according to one of the preceding claims 3 to 6, characterised in that bearing edge and bearing groove are arranged substantially at right angles to one another and are supported on one another over a small area.
  8. Oven door according to one of the preceding claims, characterised in that the receptacle (32) is bounded in groove-like manner by the inner surface of the front plate (5).
  9. Oven door according to one of the preceding claims, characterised in that the fastening projection (34) of the edge strip (6) has adjusting surfaces (36, 37) which are directed towards one another to extend obliquely relative to the insertion direction and which on insertion co-operate in centring manner with the preferably chamfered edge of the receptacle (32) and with the lateral boundary edge of the front plate (5).
  10. Oven door according to one of the preceding claims, characterised in that the connecting element (20) has in the region of the receptacle (32) a centring projection (39) which co-operates with a centring groove (40) of the edge strip (6).
  11. Oven door according to one of the preceding claims, characterised in that each connecting element (20) in symmetrical, preferably T-shaped form has bearing edges and/or bearing grooves (30), which are arranged in pairs either side of an axis (X) of symmetry, for the door elements (6, 31) and at least one fastening projection (stamping-out 24) disposed in the axis of symmetry.
  12. Oven door according to one of the preceding claims, characterised in that a glass pane composite unit (12) is fastened in the pan-like door base (9) forming an inner door subassembly (7).
  13. Oven door according to claim 15, characterised in that the glass pane composite unit has, at at least two opposite sides, mounting rails (13), which are formed in meander shape, for mounting several glass panes.
EP95110561A 1994-09-05 1995-07-06 Door for a cooking apparatus Expired - Lifetime EP0699871B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4431619A DE4431619A1 (en) 1994-09-05 1994-09-05 Stove door of a cooker
DE4431619 1994-09-05

Publications (3)

Publication Number Publication Date
EP0699871A2 EP0699871A2 (en) 1996-03-06
EP0699871A3 EP0699871A3 (en) 1999-02-03
EP0699871B1 true EP0699871B1 (en) 2003-01-08

Family

ID=6527477

Family Applications (1)

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EP95110561A Expired - Lifetime EP0699871B1 (en) 1994-09-05 1995-07-06 Door for a cooking apparatus

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US (1) US5735261A (en)
EP (1) EP0699871B1 (en)
AT (1) ATE230843T1 (en)
DE (2) DE4431619A1 (en)
ES (1) ES2190445T3 (en)

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Also Published As

Publication number Publication date
DE59510525D1 (en) 2003-02-13
ATE230843T1 (en) 2003-01-15
EP0699871A3 (en) 1999-02-03
EP0699871A2 (en) 1996-03-06
US5735261A (en) 1998-04-07
DE4431619A1 (en) 1996-03-07
ES2190445T3 (en) 2003-08-01

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