EP0108916B1 - Cooking plate - Google Patents

Cooking plate Download PDF

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Publication number
EP0108916B1
EP0108916B1 EP83109998A EP83109998A EP0108916B1 EP 0108916 B1 EP0108916 B1 EP 0108916B1 EP 83109998 A EP83109998 A EP 83109998A EP 83109998 A EP83109998 A EP 83109998A EP 0108916 B1 EP0108916 B1 EP 0108916B1
Authority
EP
European Patent Office
Prior art keywords
cooking
further characterized
trough according
elements
support
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
Application number
EP83109998A
Other languages
German (de)
French (fr)
Other versions
EP0108916A3 (en
EP0108916A2 (en
Inventor
Heinrich Detterbeck
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.)
BOSCH-SIEMENS HAUSGERAETE GMBH
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT83109998T priority Critical patent/ATE34451T1/en
Publication of EP0108916A2 publication Critical patent/EP0108916A2/en
Publication of EP0108916A3 publication Critical patent/EP0108916A3/en
Application granted granted Critical
Publication of EP0108916B1 publication Critical patent/EP0108916B1/en
Expired legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/68Heating arrangements specially adapted for cooking plates or analogous hot-plates
    • H05B3/74Non-metallic plates, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/10Tops, e.g. hot plates; Rings
    • F24C15/102Tops, e.g. hot plates; Rings electrically heated
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/10Tops, e.g. hot plates; Rings
    • F24C15/102Tops, e.g. hot plates; Rings electrically heated
    • F24C15/104Arrangements of connectors, grounding, supply wires
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/10Tops, e.g. hot plates; Rings
    • F24C15/108Mounting of hot plate on worktop
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00Stoves or ranges heated by electric energy
    • F24C7/06Arrangement or mounting of electric heating elements
    • F24C7/067Arrangement or mounting of electric heating elements on ranges

Definitions

  • the invention relates to a hob according to the preamble of claim 1.
  • a profile frame which carries a large-area hotplate made of glass-ceramic material. Radiators are arranged directly below this hotplate, which are supported by spring elements on a stable support and shielding depression and are pressed against the hotplate, the support and shielding depression being connected to the profile frame by means of fastening elements.
  • a hob consists of a very large number of individual parts serving in particular to support the radiators, such as springs, screws, support and shielding troughs and the like. This large number of individual parts makes a cooktop designed in this way structurally complex and expensive, not least because of the high assembly effort involved. For the same reason, repair work is ultimately made considerably more difficult.
  • the invention has for its object to design a hob of the type mentioned in the preamble of claim 1 in such a way that a simple, compact design with comparatively few individual parts is obtained, the assembly, installation and repair of which is facilitated.
  • the only really load-bearing part is the support, which is preferably designed as a die-cast part and to which all load-bearing, leading and supporting functions are assigned.
  • This carrier is formed in one piece and has corresponding support, pressure, guide and holding elements which are required for the installation of the actual functional elements, such as radiators, hot plates, electrical or electronic components, electrical wiring and the like.
  • the inherently rigid, compact design of the support makes a separate, stable pressure trough unnecessary for supporting the radiators. Not least for this reason, there is a simple way to reduce the vertical depth of the hob, z. B.
  • each attachment has a pocket-like recess into which an essentially L-shaped, preferably resilient pressure element can be inserted and locked.
  • the radiators or other functional parts of the hob are attached only by clipping the pressure elements in the recesses of the approaches. You get a completely screwless locking z. B. the radiator.
  • the function of the pressure elements can be further improved in that a locking cam is located at the free spring end of the locking projection, while the other spring end is designed as a pressure projection for the radiator and preferably has a bent centering projection which engages in a centering opening on the heating element.
  • the spring travel is increased and thus the spring characteristic is improved, and on the other hand, the pressure element also serves as a centering element for the heating element.
  • the pressure element interacts with the carrier or its frame in such a way that the radiator (s) can be locked largely by simply plugging it in.
  • the pressure element it is provided to use a pressure element for the attachment of at least two radiators, which pressure element in turn in a simple manner on the support z. B. is attached by plugging.
  • z. B. the possibility of combining two radiators together with a pressure element to form a pre-assembled unit and to assemble them together in the interior of the carrier.
  • at least one centering element for the pressure element is preferably formed on the inside of the frame, by means of which the geometrical position of the two radiators is exactly defined.
  • the pressure element has a plurality of centering recesses and can be connected to the frame-side centering element in different positions.
  • the carrier cavity is divided by a web into a cooking part and in a storage or warming part.
  • the web that runs through the carrier cavity forms both a thermal screen element between these two zones and, at the same time, a fastening means both for the heating element of the hotplate and for the heating element of the heating part.
  • the web can be connected as a separate part with fastening lugs molded onto the carrier frame, several pairs of fastening lugs preferably being provided on the carrier frame at different locations. Due to the fact that the web is designed as a separate part, which is advantageous for reasons of die casting, there is the possibility of attaching this web to different locations of a carrier that can be used universally for many types of troughs.
  • the attachment lugs have a conical shape, onto which the web provided with corresponding conical recesses can be plugged and pressed. This takes advantage of the fact that a certain lifting bevel must be present in die-cast parts. This requirement is used according to the invention to form the cone-like shape of the attachment lugs of the carrier.
  • a preferably open downward chamber for accommodating the energy supply devices of the radiators, in particular for the electrical wiring is separated from the carrier cavity by at least one integrally formed spar, which preferably extends along the rear or front carrier spar.
  • This z. B. elongated chamber may contain slots for in particular electrical components, for. B. on widened and these components adapted sections of this chamber.
  • the chamber is preferably arranged underneath a widened carrier strip carrying operating elements, display elements or the like and extends along the same. In this way, the aforementioned chamber serves to guide and distribute the electrical conductors, with an electrical connection to the operating elements, display elements or the like being made in the shortest possible way.
  • a cam switch is fastened in a preferably corner-side installation location of the chamber, the switching cam of which can be pivoted by an acute switching angle projects beyond the carrier bar and which only has this switching cam projecting on the underside of the camshaft.
  • the chamber spar towards the carrier cavity has at least one wire guide slot open on one side, to which a molded on the chamber spar, the wire guide path overlapping retaining wing is associated with the slot end.
  • an outwardly leading cable guide is formed on a carrier bar, with a cable duct leading outwards from the carrier cavity, preferably with a tension relief pressure element that can be braced relative to this, and with a duct wall arranged transversely to the cable duct, to which the deflected cable is attached presses and is secured by a molded tab on this channel wall.
  • the cable which has a certain mechanical internal stress, presses against the aforementioned duct wall with the deflection and is thereby locked in the longitudinal direction.
  • the retaining tab ensures that the cable does not slide out of the cable duct.
  • a detent cam is formed on the outside of the front support spar at a distance from the hotplate level, which latches together with a fitting spring attached to the worktop.
  • the fitting spring has a V-shaped, free spring leg and that the locking cam is locked to the lower inclined portion of the spring leg.
  • the entire hob is pressed and thus fixed by the prestressed spring leg in the direction of the opposite worktop edge, this fixation can still be secured by a few screw connections on this side of the hob.
  • a significant simplification of the installation-assembly of the Cooking hob is given in that the fitting spring itself is used according to claim 28 as an assembly marking gauge.
  • the design of the hob according to the invention makes it possible to provide the flange-like receptacle of the support designed as a die-cast part with essentially sharp-edged corners, so that hot plates, in particular glass ceramic plates, can be used, the corners of which are not rounded in a complex manner.
  • a carrier 1 designed as an aluminum die-cast part with a circumferential, rectangular frame 2, the frame spars 3, 4 and 5 of which have an essentially L-shaped profile.
  • a spar 7, which delimits a chamber 8, the function of which will be explained later, is arranged at a distance from the remaining, essentially T-shaped frame spar 6.
  • a support bar 9 which is inclined towards the front is formed with a trough-like recess 10 for a labeling strip or the like which can be inserted therein.
  • a receptacle 11 for a hotplate 12 made of glass-ceramic material is formed on the upper side of the spar 7 and on the upper sides of the frame spars 3 to 6.
  • the receptacle 11 of the carrier 1 can have sharp-edged corners, in contrast to known trough designs with more or less rounded corners. This makes it possible to use glass ceramic plates with sharp corners.
  • the L-shaped design of the frame bars 3 to 6 results in a circumferential support flange 13 which, after the hob has been inserted, is placed on and supported on a rectangular section of a kitchen worktop 14 at the edges of this worktop.
  • the support 1 and thus the entire hob has a construction depth that is equal to or less than the plate thickness of the worktop 14.
  • the above-mentioned elements are an integral part of the die-cast carrier 1.
  • all parts extending in the structural depth of the carrier 1, such as the frame spars and, are in accordance with the requirements of die-casting technology the elements explained below are conical in order to obtain an optimal draft angle.
  • radiators below the glass ceramic hotplate namely two circular radiators 15 and 16 of different diameters and an elongated radiator 17, which as a so-called combination radiator from two circular radiators and one in between, to the Form of the two aforementioned radiators correspondingly adapted additional radiators, the aforementioned radiators are combined within a prefabricated unit.
  • the cup-like housing z. B. 18 all radiators 15 to 17 are pressed by the spring pressure elements explained below against the underside of the hotplate 12.
  • the aforementioned housing are offset on the underside and have a flange z. B. 19.
  • a plate-like and flat pressure element 20 is provided for fastening the radiators 15 and 16, which is essentially wing-shaped and has two circular-shaped holder edges 201 and 202, with which by means of screws 221 on the flange 19 of the two Irritant body housing is attached.
  • a pocket-like extension 21 is formed on the inside of the side frame spar 3 and has a web 22, which forms an undercut, on the underside.
  • the pressure element 20 engages behind this web 21 and is supported on this web.
  • two posts 24 are also formed on the inside of the frame spar 3 via connecting webs 23, each of which is provided on the underside with a holding pin 25.
  • the pressure element 20 has corresponding bores with which it can be plugged onto the pin 25 and can thus be fixed in terms of position.
  • the pressure element 20 has two further holes 26 on both sides of the two bores, through which the pressure element 20 can be plugged onto the holding pin 25 in different positions.
  • a centering nose 27 is also formed on the inside of the frame spar 3, which engages in a centering cutout 28. Again, two further centering cutouts are also present on both sides of this centering cutout 28 for the adjustment of the pressure element 20 in different positions.
  • two centering webs 29, which widen at the end in a funnel-like manner, can be formed on the inside of the frame spar 3, which, when the base part of the pressure element 20 is shortened, enable the pressure element 20 to be centered in accordance with the dashed lines.
  • further lugs 30 are formed on the inside of the frame spar 3, which, like the lug 21, serve to support the pressure element 20.
  • lugs 30 and centering webs 29 on the opposite frame spar. It is therefore possible to alternatively arrange the radiators 15 and 16 on the side of the cooking hob delimited by the frame spar 5.
  • the two resilient pressure elements 31 are supported on the housing flange, while a plate-like pressure element 34 is also provided on the other side, which has the same function as the pressure element 20 and which is fastened to the radiator 17 by means of screws 221 and on the other hand is attached to the Posts 24 supports and engages behind the undercuts of the lugs 30.
  • Posts 35 are formed on the inside of the frame spar 6 and are provided with threaded holes on the undersides.
  • Cams 36 are formed on the inside of the opposite frame spar 4, which together with flange-shaped webs 37 form undercuts 38 on the underside of the frame spar.
  • this cam switch has a switching lever 44 which is used to carry out a switching operation by approx. 45 ° is pivotable.
  • a cam carrier 45 Connected to this switching lever is a cam carrier 45 which can be rotated about an axis 46 and which has a plurality of switching cams 47 one behind the other, these switching cams being arranged only on the underside of the cam axis 46, so that the cam switch has a very flat design.
  • Contact pairs 48 are actuated by the individual switching cams 47.
  • the cam switch is used to switch the combination heater 17 on and off.
  • the switching lever 44 projects upwards through an opening in the carrier strip 9.
  • the chamber spar 7 has two wire guide slots 53 which are open towards the rest of the carrier cavity, with each wire guide slot at the height of the slot end being associated with a holding wing 54 which is integrally formed on the chamber bar 7 and partially overlaps the wire guide path .
  • This arrangement is clearly shown as a detail in FIGS. 15 and 16.
  • the electrical wiring 55 is laid, which for the electrical connection of the electrical components, for. B. the cam switch 43 with the radiators 15 to 17 is required.
  • the wires are guided through the wire guide slots 53 to the radiators, the retaining wings 54 ensuring that the entire wiring is held inside the wiring chamber 8.
  • a cable guide 56 for the cabling or wiring 57 leading to the outside is formed on the opposite frame spar 4, that is to say on the front.
  • the design of this cable guide 56 is illustrated in FIGS. 17, 18 and 19 in more detail.
  • a guide pocket 58, a fastening projection 59 for an L-shaped strain relief pressure element 60 and a channel wall 61 with retaining tabs 62 are integrally formed on the frame bar 4.
  • the channel channel 61 delimits the channel channel 61 and deflects it at right angles below the retaining tab 62.
  • the cable 57 secured by the pressure element 60 presses against the duct wall 61 due to its inherent tension, and is secured against sliding out by the retaining tab 62.
  • the outgoing end of the cable 57 has a connector 64, which with a circuit-like control device z. B. can be electrically connected in a stove located below the hob.
  • FIGS. 8 and 9 show alternative designs of such a pressure element 72 or 72 '.
  • FIG. 8 show alternative designs of such a pressure element 72 or 72 '.
  • the attachment which is connected to the frame spar via relatively thin webs, has a pocket-like recess 73, the leg of which facing the radiator 16 is recessed and has a latching edge 74.
  • the pressure element 72 which is designed in the form of a U-shaped spring, can be inserted into this recess with pretension, a latching cam 76 being provided on the free leg of the U-shaped latching projection 75.
  • the other free spring end has a centering projection 77, which engages in a corresponding centering opening in the radiator housing and thus the radiator z. B. 16 fixed in position.
  • a release of the pressure element 72 is possible in a simple manner in that a pressure is exerted on the spring end of the locking projection 75, which projects beyond the other spring end with the centering projection 77, whereby the locking connection is released and the pressure element is pulled out of the recess 73 can be.
  • the projection 65 ' likewise has a recess 73' with a latching edge 74 ', which, however, is located on the leg of the projection facing away from the radiator 16.
  • the pressure element 72 ' has a U-shaped latching projection 75' with a latching cam 76 'which latches behind the latching edge 74' when the pressure element 72 'is pressed in.
  • This latching connection can also be released in a simple manner by pressing on the free spring end of the latching projection 75 '.
  • the two alternative embodiments differ mainly in the length of the effective travel, i.e. H. the spring away is larger in the exemplary embodiment according to FIG. 8 than in the exemplary embodiment according to FIG. 9.
  • the further approaches 69 and 70 are provided for the installation of round individual radiators, such as 15 and 16, instead of the elongated radiator 17 .
  • Fig. 10 shows a schematic representation of a carrier 1, which is also designed as a die-cast part.
  • the hob is divided into a plate zone a with z. B. four round hotplates and in a storage or warming zone b. Below the hotplate, a zone b can be found in the latter zone suitably shaped warming heater can be arranged.
  • the subdivision within the carrier cavity takes place here by means of a web 78 which is fastened to the two opposite frame bars 4 and 6 in the manner described below.
  • a peg-shaped fastening attachment 79 is formed on the frame spar 4 and a sword-shaped fastening attachment 80 is formed on the opposite frame spar 6.
  • the web 78 has on one side an eyelet-like recess 81 and on the other side an elongated, fork-like recess 82.
  • the fastening lugs 79 and 80 have a cone-like profile, as do the recesses 81 and 82.
  • Such attachment approaches are preferably provided at several points along the frame bars 4, 6, so that the web 78 can optionally be attached at different points along the cooking hob.
  • the web 78 has an overall height that corresponds at least approximately to the overall height of the carrier 1.
  • the web height preferably substantially corresponds to the height of the radiator, so that this separates the plate zone a and the storage or holding zone b thermally.
  • FIG. 20 shows a section of the rear part of the hob according to FIG. 1.
  • a cover preferably made of plastic, is designated by 83, which is L-shaped and has two plug pins 84, with which the cover can be plugged into the plug-in openings 51 of the fastening projection 49 and can thus be locked.
  • the entire fastening attachment 49 is covered with the cover 83, so that the fastening screws are no longer visible.
  • the attachment lugs 49 including the covers 83 behind the raised top of the support bar on the rear side of the hob, so that the aforementioned parts do not adversely affect the aesthetic impression.
  • an obliquely inclined fastening projection 89 which starts from the highest elevation of the carrier strip 9, is formed on the rear carrier spar 6 and the rear widened carrier strip 9, which in a similar manner to the exemplary embodiment according to FIG. 21 and 22 runs throughout the entire trough width and has indentations 90 with screw openings or plug-in openings, which indentations in turn can be closed flush with covers. 25 to 29, means are shown with which the cooking hob described can be mounted in a cutout 52 of a worktop 14 in a simple manner.
  • a locking cam 91 is formed on the outside of the front-side support beam 4, which is V-shaped.
  • a fitting spring 92 is fastened to the corresponding edge of the cutout 52 and is illustrated by means of FIGS. 27 and 28.
  • This fitting spring 92 has a plate-like base part 93 with fastening cramps 94 for fastening to the worktop and a cut-out V-shaped spring leg 95.
  • the distance of the locking cam 91 from the upper plate limit is selected so that after the sloping mounting of the hob as shown in FIG. 25, the locking cam 91 comes into contact with the lower, inclined section 96, so that after the cooking hob has been completely placed on the worktop according to FIG. 26, the spring leg 95 exerts a downward pressure force on the locking cam, thereby unintentionally lifting the cooking hob from the worktop is prevented.
  • the described fitting spring 92 also serves as an assembly marking gauge.
  • this fitting spring 92 has a length A which corresponds to half the length A of the cutout 52 in the worktop.
  • the fitting spring is first placed on an edge of the cutout 52, after which a marking mark is made at the end of the fitting spring 92 on the worktop.
  • the fitting spring 92 is then placed in the center of this marking, for which the fitting spring 92 has a marking notch 97 at this point.
  • the positions of the locking cam 91 and the fitting spring 92 match.

Abstract

1. Cooking-through comprising a cooking surface (12) especially a glassceramic plate with cooking places, heating elements (15, 16, 17) for the cooking places and a frame like support (1), which has an upper framecase, a bearing-element (11) for the cooking-surface and an essentially vertical surrounding frame wall, on which are fixed mounting elements (20) for parts arranged in the hollow space of the support, such as heating elements (15, 16, 17), characterized in that the mounting elements, e.g. the holding-and pressure-elements (21, 24, 32, 65 to 70) for the heating elements (15, 16, 17) are constituted as profile-elements forming an unit with said support (1), which profile-elements project exclusively from the inside of the framewall (3, 4, 5) into the hollow space of the support, and in that further profile-elements also formed as an unit with the support (1) form a chamber separated by the hollow space of the support for installation of a power supply device for the heating elements.

Description

Die Erfindung bezieht sich auf eine Kochmulde gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to a hob according to the preamble of claim 1.

Bei einem bekannten Einbau-Kochfeld (DE-AS-2 915 529) ist ein Profilrahmen vorgesehen, der eine großflächige Kochplatte aus glaskeramischem Material trägt. Direkt unterhalb dieser Kochplatte angeordnet sind Heizkörper, die sich über Federelemente an einer stabilen Stütz- und Abschirmmulde abstützen und gegen die Kochplatte gedrückt werden, wobei die Stütz- und Abschirmmulde mit dem Profilrahmen mittels Befestigungselementen verbunden ist. Ein derartiges Kochfeld besteht aus einer sehr großen Anzahl von insbesondere der Abstützung der Heizkörper dienenden Einzelteilen, wie Federn, Schrauben, Stütz- und Abschirmmulde und dergleichen mehr. Diese große Anzahl von Einzelteilen macht eine derartig ausgestaltete Kochmulde konstruktiv aufwendig und teuer, nicht zuletzt durch den damit verbundenen hohen Montageaufwand. Aus demselben Grunde wird auch schließlich die Durchführung von Reparaturarbeiten beträchtlich erschwert.In a known built-in hob (DE-AS-2 915 529), a profile frame is provided which carries a large-area hotplate made of glass-ceramic material. Radiators are arranged directly below this hotplate, which are supported by spring elements on a stable support and shielding depression and are pressed against the hotplate, the support and shielding depression being connected to the profile frame by means of fastening elements. Such a hob consists of a very large number of individual parts serving in particular to support the radiators, such as springs, screws, support and shielding troughs and the like. This large number of individual parts makes a cooktop designed in this way structurally complex and expensive, not least because of the high assembly effort involved. For the same reason, repair work is ultimately made considerably more difficult.

Der Erfindung liegt die Aufgabe zugrunde, eine Kochmulde der im Oberbegriff des Patentanspruches 1 genannten Art so auszugestalten, daß eine einfache, kompakte Bauweise mit vergleichsweise wenigen Einzelteilen erhalten wird, deren Montage, Einbau und Reparatur erleichtert wird.The invention has for its object to design a hob of the type mentioned in the preamble of claim 1 in such a way that a simple, compact design with comparatively few individual parts is obtained, the assembly, installation and repair of which is facilitated.

Diese Aufgabe wird erfindungsgemäß gelöst durch die im Kenn-Zeichnungsteil des Patentanspruches 1 aufgeführten Maßnahmen.This object is achieved according to the invention by the measures listed in the characterizing part of claim 1.

Bei der erfindungsgemäßen Kochmulde ist als einziger, wirklich tragender Teil der vorzugsweise als Druckgußteil ausgebildete Träger vorgesehen, dem sämtliche tragenden, führenden und stützenden Funktionen zugeordnet sind. Dieser Träger ist einstückig ausgebildet und besitzt entsprechende Stütz-, Druck-, Führungs-und Halteelemente, die für den Einbau der eigentlichen Funktionselemente, wie Heizkörper, Kochplatte, elektrische oder elektronische Bauelemente, elektrische Verdrahtung und dergleichen erforderlich sind. Insbesondere erübrigt sich durch die eigensteife, kompakte Bauweise des Trägers hierbei eine separate, stabile Druckwanne für die Abstützung der Heizkörper. Nicht zuletzt aus diesem Grunde besteht in einfacher Weise die Möglichkeit, die senkrechte Bautiefe der Kochmulde zu reduzieren, z. B. derart, daß sie die untere Begrenzung einer Arbeitsplatte, in die die Kochmulde eingesetzt wird, nicht überragt, so daß unterhalb der kochmulde Schubladen oder dergleichen angeordnet sein können. Es hat sich gezeigt, daß durch die erfindungsgemäße Bauweise bis zu 80 % der notwendigen Einzelteile oder Montageteile eingespart werden könnenIn the hob according to the invention, the only really load-bearing part is the support, which is preferably designed as a die-cast part and to which all load-bearing, leading and supporting functions are assigned. This carrier is formed in one piece and has corresponding support, pressure, guide and holding elements which are required for the installation of the actual functional elements, such as radiators, hot plates, electrical or electronic components, electrical wiring and the like. In particular, the inherently rigid, compact design of the support makes a separate, stable pressure trough unnecessary for supporting the radiators. Not least for this reason, there is a simple way to reduce the vertical depth of the hob, z. B. in such a way that it does not project beyond the lower limit of a worktop into which the hob is inserted, so that drawers or the like can be arranged below the hob. It has been shown that the construction according to the invention can save up to 80% of the necessary individual parts or assembly parts

Gemäß einer vorzugsweisen Weiterbildung der Erfindung sind unmittelbar an dem den Träger bildenden Rahmen Ansätze vorgesehen, die in das Rahmeninnere bis an den Heizkörperbereichen ragen, an denen Druck elemente für die Heizkörper befestigbar sind. Eine bevorzugte Ausführungsform ist dadurch gegeben, daß jeder Ansatz eine taschenartige Ausnehmung besitzt, in die ein im wesentlichen L-förmiges, vorzugsweise federndes Druckelement einsteckbar und verrastbar ist. Auf diese Weise werden die Heizkörper oder aber auch andere Funktionsteile der Kochmulde lediglich durch Einklipsen der Druckelemente in den Ausnehmungen der Ansätze befestigt. Man erhält somit eine völlig schraubenlose Arretierung z. B. der Heizkörper. Die Funktion der Druckelemente läßt sich dadurch noch verbessern, daß sich eine Rastnocke am freien Federende des Rastansatzes befindet, während das andere Federende als Druckansatz für den Heizkörper ausgebildet ist und vorzugsweise einen abgebogenen Zentrieransatz besitzt, der in eine Zentrieröffnung am Heizkörper eingreift. Zum einen wird hierbei der Federweg vergrößert und damit die Federcharakteristik verbessert und zum anderen dient hierbei das Druckelement gleichzeitig als Zentrierelement für den Heizkörper.According to a preferred development of the invention approaches are provided directly on the frame forming the carrier, which protrude into the frame interior to the radiator areas, to which pressure elements for the radiators can be attached. A preferred embodiment is given in that each attachment has a pocket-like recess into which an essentially L-shaped, preferably resilient pressure element can be inserted and locked. In this way, the radiators or other functional parts of the hob are attached only by clipping the pressure elements in the recesses of the approaches. You get a completely screwless locking z. B. the radiator. The function of the pressure elements can be further improved in that a locking cam is located at the free spring end of the locking projection, while the other spring end is designed as a pressure projection for the radiator and preferably has a bent centering projection which engages in a centering opening on the heating element. On the one hand, the spring travel is increased and thus the spring characteristic is improved, and on the other hand, the pressure element also serves as a centering element for the heating element.

Eine andere oder zusätzliche Art der Befestigung der Heizkörper ergibt sich durch die Maßnahmen des Patentanspruches 6. Auch hier wirkt das Druckelement derart mit dem Träger bzw. dessen Rahmen zusammen, daß weitgehend durch einfaches Stecken eine Arretierung des oder der Heizkörper erfolgen kann. Gemäß der bevorzugten Ausführungsform nach Patentanspruch 8 ist vorgesehen, ein Druckelement für die Befestigung von wenigstens zwei Heizkörpern zu verwenden, welches Druckelement wiederum in einfacher Weise am Träger z. B. durch Stecken befestigt ist. Es besteht hierbei z. B. die Möglichkeit, zwei Heizkörper zusammen mit einem Druckelement zu einer vormontierten Baueinheit zusammenzufassen und gemeinsam im Innenraum des Trägers zu montieren. Vorzugsweise ist hierbei an der Rahmeninnenseite wenigstens ein Zentrierelement für das Druckelement angeformt, durch welches die geometrische Lage der beiden Heizkörper exakt festgelegt ist. Es erweist sich als Vorteilhaft, wenn gemäß Patentanspruch 9 das Druckelement mehrere Zentrierausnehmungen aufweist und in unterschiedlichen Stellungen mit dem rahmenseitigen Zentrierelement verbindbar ist. Es ergeben sich somit mehrere Varianten hinsichtlich der Anordnung der Heizkörper im Bereich der Kochplatte, z. B. der Glaskeramikplatte.Another or additional type of attachment of the radiator results from the measures of claim 6. Here, too, the pressure element interacts with the carrier or its frame in such a way that the radiator (s) can be locked largely by simply plugging it in. According to the preferred embodiment according to claim 8 it is provided to use a pressure element for the attachment of at least two radiators, which pressure element in turn in a simple manner on the support z. B. is attached by plugging. There is z. B. the possibility of combining two radiators together with a pressure element to form a pre-assembled unit and to assemble them together in the interior of the carrier. In this case, at least one centering element for the pressure element is preferably formed on the inside of the frame, by means of which the geometrical position of the two radiators is exactly defined. It proves to be advantageous if, according to claim 9, the pressure element has a plurality of centering recesses and can be connected to the frame-side centering element in different positions. There are thus several variants with regard to the arrangement of the radiators in the area of the hotplate, eg B. the glass ceramic plate.

Bei Kochmulden unterscheidet man üblicherweise zwischen zwei Ausführungen, und zwar einer schmalen Ausführung von z. B. 60 cm Muldenbreite, die z. B. lediglich vier Heizzonen aufweist und einer breiteren Ausführung mit z. B. 75 cm Muldenbreite, die eine z. B. vier Kochstellen aufweisende Plattenzone und eine Abstell- oder Warmhaltezone besitzt. Gemäß Patentanspruch 10 ist vorgesehen, daß der Trägerhohlraum durch einen Steg in einen Kochstellenteil und in einen Abstell- oder Warmhalteteil unterteilt ist. Hierbei bildet der den Träger hohlraum durchziehende Steg sowohl ein thermisches Schirmelement zwischen diesen beiden Zonen und zugleich ein Befestigungsmittel sowohl für die Heizkörper des Kochstellen teils als auch für die Heizkörper des Warmhalteteils. Gemäß einer bevorzugten Ausführungsform ist der Steg als separater Teil mit am Trägerrahmen angeformten Befestigungsansätzen verbindbar, wobei vorzugsweise am Trägerrahmen an unterschiedlichen Stellen mehrere Paare von Befestigungsansätzen vorgesehen sind. Dadurch, daß der Steg als separater Teil ausgebildet ist, was aus druckgußtechnischen Gründen vorteilhaft ist, ergibt sich die Möglichkeit, diesen Steg an unterschiedlichen Stellen eines universell für viele Muldentypen verwendbaren Trägers anzusetzen. So besteht beispielsweise die Möglichkeit, ein und denselben Träger und ein und denselben Steg für Kochmulden mit rechtsliegender und für Kochmulden mit linksliegender Warmhaltefläche oder aber für Mulden mit stets gleicher Anordnung der Abstell-oder Warmhaltefläche, jedoch variabler Anordnung des Schalt- oder Bedienungstableaus entweder an der Frontseite oder an der Rückseite der Mulde zu verwenden.In cooktops, a distinction is usually made between two versions, namely a narrow version of e.g. B. 60 cm trough width, the z. B. has only four heating zones and a wider version with z. B. 75 cm trough width, which a z. B. four hotplates and a plate zone Parking or warming zone. According to claim 10 it is provided that the carrier cavity is divided by a web into a cooking part and in a storage or warming part. Here, the web that runs through the carrier cavity forms both a thermal screen element between these two zones and, at the same time, a fastening means both for the heating element of the hotplate and for the heating element of the heating part. According to a preferred embodiment, the web can be connected as a separate part with fastening lugs molded onto the carrier frame, several pairs of fastening lugs preferably being provided on the carrier frame at different locations. Due to the fact that the web is designed as a separate part, which is advantageous for reasons of die casting, there is the possibility of attaching this web to different locations of a carrier that can be used universally for many types of troughs. For example, there is the possibility of one and the same carrier and one and the same web for hobs with a right-hand and for hobs with a left-hand warming surface or for bowls with always the same arrangement of the storage or warming surface, but with a variable arrangement of the switch or control panel either on the To be used on the front or rear of the trough.

Gemäß einer vorteilhaften Ausführungsform weisen die Befestigungsansätze eine konusartige Form auf, auf die der mit entsprechenden konusartigen Ausnehmungen versehene Steg aufsteckbar und verpreßbar ist. Hierbei wird der Vorteil ausgenützt, daß bei Druckgußteilen eine gewisse Aushebeschräge vorhanden sein muß. Dieses Erfordernis wird erfindungsgemäß ausgenützt zur Bildung der konusartigen Form der Befestigungsansätze des Trägers.According to an advantageous embodiment, the attachment lugs have a conical shape, onto which the web provided with corresponding conical recesses can be plugged and pressed. This takes advantage of the fact that a certain lifting bevel must be present in die-cast parts. This requirement is used according to the invention to form the cone-like shape of the attachment lugs of the carrier.

Gemäß einer weiteren vorteilhaften Ausgestaltung der Erfindung ist vom Trägerhohlraum durch wenigstens einen angeformten Holm eine Vorzugsweise nach unten hin offene Kammer für die Unterbringung der Energieversorgungseinrichtungen der Heizkörper insbesondere für die elektrische Verdrahtung abgetrennt, die sich vorzugsweise entlang des rückwärtigen oder frontseitigen Trägerholmes erstreckt. Diese z. B. langgestreckte Kammer kann Einbauplätze für insbesondere elektrische Bauelemente enthalten, z. B. an verbreiterten und diesen Bauelementen angepaßten Abschnitten dieser Kammer. Bevorzugt ist die Kammer unterhalb eines verbreiterten, Bedienelemente, Anzeigeorgane oder dergleichen tragenden Trägerleiste angeordnet und erstreckt sich längs derselben. Auf diese Weise dient die vorerwähnte Kammer der Führung und Verteilung der elektrischen Leiter, wobei eine elektrische Verbindung zu den Bedienelementen, Anzeigeorganen oder dergleichen auf kürzestem Wege erfolgt. Gemäß einer bevorzugten Weiterbildung ist in einem vorzugsweise eckseitigen Einbauplatz der Kammer ein Nockenschalter befestigt, dessen um einen spitzen Schaltwinkel verschwenkbare Schaltnocke die Trägerleiste überragt und der nur an der Unterseite der Nockenwelle diese überragende Schaltnocken besitzt. Dadurch wird eine extrem flache Bauweise des Nockenschalters und damit auch des gesamten Trägers und damit der Kochmulde selbst ermöglicht.According to a further advantageous embodiment of the invention, a preferably open downward chamber for accommodating the energy supply devices of the radiators, in particular for the electrical wiring, is separated from the carrier cavity by at least one integrally formed spar, which preferably extends along the rear or front carrier spar. This z. B. elongated chamber may contain slots for in particular electrical components, for. B. on widened and these components adapted sections of this chamber. The chamber is preferably arranged underneath a widened carrier strip carrying operating elements, display elements or the like and extends along the same. In this way, the aforementioned chamber serves to guide and distribute the electrical conductors, with an electrical connection to the operating elements, display elements or the like being made in the shortest possible way. According to a preferred development, a cam switch is fastened in a preferably corner-side installation location of the chamber, the switching cam of which can be pivoted by an acute switching angle projects beyond the carrier bar and which only has this switching cam projecting on the underside of the camshaft. This enables an extremely flat design of the cam switch and thus also of the entire support and thus the hob itself.

Eine geordnete und übersichtliche Verlegung der Verdrahtung innerhalb der vorgenannten Kammer und nach außen hin z. B. zu den Heizkörpern wird dadurch begünstigt, daß der Kammerholm zum Trägerhohlraum hin wenigstens einen einseitig offenen Drahtführungsschlitz besitzt, dem in Höhe des Schlitzendes ein am Kammerholm angeformter, den Drahtführungsweg übergreifender Halteflügel zugeordnet ist.An orderly and clear laying of the wiring within the aforementioned chamber and outwards z. B. to the radiators is favored in that the chamber spar towards the carrier cavity has at least one wire guide slot open on one side, to which a molded on the chamber spar, the wire guide path overlapping retaining wing is associated with the slot end.

Ferner ist erfindungsgemäß vorgesehen, daß an einem Trägerholm eine nach außen führende Kabelführung angeformt ist, mit einem vom Trägerhohlraum nach außen führenden Kabelkanal, vorzugsweise mit gegenüber diesem verspannbarem Zugentlastungs-Druckelement, sowie mit einer quer zum Kabelkanal angeordneten Kanalwand, an die sich das umgelenkte Kabel andrückt und durch einen an dieser Kanalwand angeformten Haltelappen gesichert ist. Das Kabel, das eine gewisse mechanische Eigenspannung hat, drückt sich mit dem Umlenken an der vorgenannten Kanalwand an und wird hierdurch in Längsrichtung arretiert. Zusätzlich sorgt der Haltelappen dafür, daß das Kabel nicht aus den Kabelkanal herausgleitet.Furthermore, it is provided according to the invention that an outwardly leading cable guide is formed on a carrier bar, with a cable duct leading outwards from the carrier cavity, preferably with a tension relief pressure element that can be braced relative to this, and with a duct wall arranged transversely to the cable duct, to which the deflected cable is attached presses and is secured by a molded tab on this channel wall. The cable, which has a certain mechanical internal stress, presses against the aforementioned duct wall with the deflection and is thereby locked in the longitudinal direction. In addition, the retaining tab ensures that the cable does not slide out of the cable duct.

Gemäß einer weiteren vorteilhaften Ausgestaltung der Erfindung ist an der Außenseite vorzugsweise des frontseitigen Trägerholmes mit Abstand zur Kochplattenebene ein Rastnocken angeformt, der mit einer an der Arbeitsplatte befestigten Beschlagfeder verrastens zusammenwirkt. Eine bevorzugte Ausführungsform dieser Anordnung besteht darin, daß die Beschlagfeder einen V-förmig gebogenen, freien Federschenkel besitzt und daß der Rastnocken an den unteren schräg geneigten Abschnitt des Federschenkels verrastet. Auf diese Weise ergibt sich eine besonders einfache Montage und Demontage der Kochmulde in einem Ausschnitt einer Küchen-Arbeitsplatte. Die Kochmulde wird schräg angesetzt und mit dem Rastnocken gegen den freien Federschenkel gedrückt, wobei dieser Rastnocken an dem unteren Abschnitt des Federschenkels verrastet. In Vorteilhafter Weise wird hierbei die gesamte Kochmulde durch den vorgespannten Federschenkel in Richtung der gegenüberliegenden Arbeitsplattenkante gedrückt und somit fixiert, wobei diese Fixierung zusächtlich noch durch wenige Schraubverbindungen an dieser Muldenseite gesichert werden kann. Eine wesentliche Vereinfachung der Einbau-Montage der Kochmulde ist dadurch gegeben, daß die Beschlagfeder selbst gemäß Patentanspruch 28 als Montage-Anreißlehre benutzt wird.According to a further advantageous embodiment of the invention, a detent cam is formed on the outside of the front support spar at a distance from the hotplate level, which latches together with a fitting spring attached to the worktop. A preferred embodiment of this arrangement is that the fitting spring has a V-shaped, free spring leg and that the locking cam is locked to the lower inclined portion of the spring leg. This results in a particularly simple assembly and disassembly of the hob in a section of a kitchen worktop. The hob is set at an angle and pressed against the free spring leg with the locking cam, this locking cam locking onto the lower section of the spring leg. Advantageously, the entire hob is pressed and thus fixed by the prestressed spring leg in the direction of the opposite worktop edge, this fixation can still be secured by a few screw connections on this side of the hob. A significant simplification of the installation-assembly of the Cooking hob is given in that the fitting spring itself is used according to claim 28 as an assembly marking gauge.

Die erfindungsgemäße Ausgestaltung der Kochmulde ermöglicht es, die flanschartige Aufnahme des als Druckgußteil ausgebildeten Trägers mit im wesentlichen scharfkantigen Ecken zu Versehen, so daß Kochplatten, insbesondere Glaskeramik platten Verwendbar sind, deren Ecken nicht in aufwendiger Weise gerundet sind.The design of the hob according to the invention makes it possible to provide the flange-like receptacle of the support designed as a die-cast part with essentially sharp-edged corners, so that hot plates, in particular glass ceramic plates, can be used, the corners of which are not rounded in a complex manner.

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

  • Fig. 1 eine Draufsicht auf die Unterseite der erfindungsgemäßen Kochmulde,
  • Fig. 2 eine Schnittansicht der Kochmulde nach der Schnittlinie 11-11 in Fig. 1,
  • Fig. 3 eine Schnittansicht der Kochmulde gemäß der Schnittlinie 111-111 in Fig. 1,
  • Fig. 4 eine Schnittansicht der Kochmulde gemäß der Schnittlinie IV-IV in Fig. 1,
  • Fig. 5 eine Schnittansicht der Kochmulde gemäß der Schnittlinie V-V in Fig, 1,
  • Fig. 6 eine weitere Ausführungsform der erfindungsgemäßen Kochmulde mit Blick auf die Unterseite derselben,
  • Fig. 7 eine Schnittansicht eines Teiles der Kochmulde gemäß Fig. 6 gemäß Schnittlinie VII-VII,
  • Fig. 8 und 9 zwei alternative Ausfürungsformen von Druckelementen der Kochmulde gemäß Fig. 6 gemäß Schnittlinie VIII-VIII,
  • Fig. 10 die schematische Darstellung einer weiteren Ausführungsform der erfindungsgemäßen Kochmulde,
  • Fig. 11 eine vrgrößerte Darstellung des Steges gemäß Fig. 10,
  • Fig. 12 und 13 vegrößerte Schnittdarstellugen von Einzelheiten aus Fig. 11 gemäß den Schnittlinien XII-XII und XIII-XII.
  • Fig. 14 eine Seitenansicht auf den Nochenschalter gemäß Fig. 3,
  • Fig. 15 und 16 der anhand Fig. 1 gezeigte Kabelkanal als Einzelheit und in zwei unterschiedlichen Ansichten,
  • Fig. 17 und 18 und 19 drei unterschiedliche Ansichten einer Kabelführung für die nach außen gehende Verdrahtung,
  • Fig. 20 bis 24 alternative Ausführungsformen des mit Befestigungselementen versehenen Trägerholmes der Kochmulde gemäß den vorhergehenden Figuren,
  • Fig. 25 und 26 die Kochmulde gemäß den vorhergehenden Figuren in Verbindung mit einer Küchen-Arbeitsplatte in zwei unterschiedlichen Einsetzstellungen,
  • Fig. 27 und 28 die Beschlagfeder gemäß Fig. 25 und 26 als Einzelheit und in zwei unterschiedlichen Darstellungen,
  • Fig. 29 eine Verdeutlichung der Verwendung der Beschlagfeder als Montage-Anreißlehre,
The invention is explained below with reference to exemplary embodiments shown in the drawing. It shows
  • 1 is a plan view of the underside of the hob according to the invention,
  • 2 is a sectional view of the hob along the section line 11-11 in Fig. 1,
  • 3 shows a sectional view of the hob according to section line 111-111 in FIG. 1,
  • 4 shows a sectional view of the hob according to the section line IV-IV in FIG. 1,
  • 5 shows a sectional view of the hob according to the section line VV in FIG. 1,
  • 6 shows a further embodiment of the hob according to the invention with a view of the underside thereof,
  • 7 is a sectional view of part of the hob according to FIG. 6 along section line VII-VII,
  • 8 and 9 two alternative embodiments of pressure elements of the hob according to FIG. 6 according to section line VIII-VIII,
  • 10 shows the schematic representation of a further embodiment of the hob according to the invention,
  • 11 is an enlarged view of the web according to FIG. 10,
  • 12 and 13 enlarged sectional representations of details from FIG. 11 according to the section lines XII-XII and XIII-XII.
  • 14 is a side view of the still switch according to FIG. 3,
  • 15 and 16 the cable duct shown with reference to FIG. 1 as a detail and in two different views,
  • 17 and 18 and 19 three different views of a cable guide for the outward wiring,
  • 20 to 24 alternative embodiments of the support bar provided with fastening elements of the hob according to the previous figures,
  • 25 and 26 the hob according to the preceding figures in connection with a kitchen worktop in two different positions,
  • 27 and 28 the fitting spring according to FIGS. 25 and 26 as a detail and in two different representations,
  • 29 shows the use of the fitting spring as an assembly marking gauge,

Die Fig. 1 bis 5 zeigen einen als Aluminium-Druckgußteil ausgebildeten Träger 1 mit einem umlaufenden, rechteckigen Rahmen 2, dessen Rahmenholme 3,4 und 5 im wesentlichen L-förmiges Profil aufweisen. Vom restlichen, im wesentlichen T-förmig ausgebildeten Rahmenholm 6 mit Abstand parallel angeordnet ist ein Holm 7, der eine Kammer 8 begrenzt, dessen Funktion später erläutert ist. Im Bereich zwischen dem äußeren, beim Ausführungsbeispiel rückwärtigen Rahmenholm 6 und dem inneren Holm 8 ist eine zur Frontseite hin geneigte Trägerleiste 9 angeformt mit einer wannenartigen Ausnehmung 10 für einen darin einlegbaren Bezeichnungsstreifen oder dergleichen. Nach Art eines Bilderrahmens ist an der Oberseite des Holmes 7 sowie an den Oberseiten der Rahmenholme 3 bis 6 eine Aufnahme 11 für eine aus glaskeramischem Material bestehende Kochplatte 12 angeformt. Wie in Fig. 1 in einem Eckenbereich verdeutlicht, kann die Aufnahme 11 des Trägers 1 scharfkantige Ecken besitzen, abweichend von bekannten Muldenausführungen mit mehr oder weniger stark verrundeten Ecken. Dadurch wird es möglich, Glaskeramikplatten mit scharfen Ecken zu verwenden. Durch die L-förmige Ausgestaltung der Rahmenholme 3 bis 6 ergibt sich ein umlaufender Trägerflansch 13, der sich nach den Einsetzen der Kochmulde in einen rechteckigen Ausschnitt einer Küchen-Arbeitsplatte 14 an den Rändern dieser Arbeitsplatte auflegt und abstützt. Wie Fig. 3 verdeutlich, besitzt der Träger 1 und damit die gesamte Kochmulde eine Bautiefe, die gleich oder geringer ist als die Plattenstärke der Arbeitsplatte 14. In Hohlraum innerhalb des Trägers bzw. der Trägerbegrenzung an den Rahmenholmen 3 bis 7 angeformt sind Stütz-und Druckelemente für elektrische Heizkörper. Die vorgenannten Elemente sind einstückiger Bestandteil des Druckguß-Trägers 1. Wie in den Schnittansichten gemäß den Fig. 2, 3,4 und 5 gezeigt, sind entsprechend den Erfordernissen der Druckgußtechnik sämtliche in der Bautiefe des Trägers 1 sich erstreckenden Teile, so die Rahmenholme sowie die nachstehend erläuterten Elemente konisch ausgebildet, um somit einen optimalen Entformungswinkel zu erhalten. In Fig. 1 und 2 ist angedeutet, daß sich unterhalb der Glaskeramik-Kochplatte 12 elektrische Heizkörper befinden und zwar zwei kreisrunde Heizkörper 15 und 16 unterschiedlichen Durchmessers sowie ein langgestreckter Heizkörper 17, der als sogenannter Kombinationsheizkörper aus zwei kreisrunden Heizkörpern und einem dazwischenliegenden, an die Form der beiden vorgenannten Heizkörper entsprechend angepaßten Zusatz-Heizkörper besteht, wobei die vorgenannten Heizkörper innerhalb einer vorgefertigten Baueinheit zusammengefaßt sind. Die napfartigen Gehäuse z. B. 18 sämtlicher Heizkörper 15 bis 17 werden durch nachstehend erläuterte, federnde Druckelemente gegen die Unterseite der Kochplatte 12 gedrückt. Die vorgenannten Gehäuse sind an der Unterseite abgesetzt und besitzen einen Flansch z. B. 19. Beim Ausführungsbeispiel gemäß den Fig. 1 bis 5 ist für die Befestigung der Heizkörper 15 und 16 ein plattenartiges und ebenes Druckelement 20 vorgesehen, das im wesentlichen flügelartig ausgebildet ist und zwei kreisabschnittsförmige Halteränder 201 und 202 besitzen, mit denen mittels Schrauben 221 am Flansch 19 der beiden Reizkörper-Gehäuse befestigt ist. An der Innenseite des seitlichen Rahmenholmes 3 ist ein taschenartiger Ansatz 21 angeformt, der an der Unterseite einen, eine Hinterschneidung bildenden Steg 22 besitzt. Das Druckelement 20 greift hinter diesen Steg 21 und stützt sich dabei an diesem Steg ab. Für die weitere Fixierung und lagemäßige Arretierung des Druckelementes 20 sind ferner an der Innenseite des Rahmenholmes 3 über Verbindungsstege 23 zwei Pfosten 24 angeformt, die an der Unterseite mit jeweils einem Haltezapfen 25 versehen sind. Das Druckelement 20 besitzt entsprechende Bohrungen, mit denen es auf die Zapfen 25 aufsteckbar und damit lagemäßig festlegbar ist. Das Druckelement 20 besitzt beidseitig der beiden Bohrungen jeweils weitere zwei Bohrungen 26, durch die das Druckelement 20 in unterschiedlichen Lagen auf die Haltezapfen 25 aufsteckbar ist. Beim Ausführungsbeispiel ist ferner an der Innenseite des Rahmenholmes 3 eine Zentriernase 27 angeformt, die in einen Zentrierausschnitt 28 eingreift. Auch hier sind wiederum beidseitig dieses Zentrierausschnittes 28 noch zwei weitere Zentrierausschnitte vorhanden für die Justierung des Druckelementes 20 in unterschiedlichen Stellungen. Schließlich können an der Innenseite des Rahmenholmes 3 noch zwei am Ende sich trichterartig erweiternde Zentrierstege 29 angeformt sein, die bei verkürzter Ausführung des Basisteils des Druckelementes 20 entsprechend den gestrichelten Linienzügen eine Zentrierung des Druckelementes 20 ermöglichen. Im Bereich zwischen den Pfosten 24 sind an der Innenseite des Rahmenholmes 3 noch weitere Ansätze 30 angeformt, die ähnlich wie der Ansatz 21 der Abstützung des Druckelementes 20 dienen. In gleicher Weise befinden sich an dem gegenüberliegenden Rahmenholm 5 Pfosten 24, Ansätze 30 sowie Zentrierstege 29. Es besteht also die Möglichkeit, die Heizkörper 15 und 16 alternativ an der durch den Rahmenholm 5 begrenzten Seite der Kochmulde anzuordnen. Für die weitere Befestigung der Heizkörper 15, 16 dienen blattfederartige Druckelemente 31, die in taschenartigen Ansätzen 32 befestigbar sind, wobei diese Ansätze 32 wiederum über Verbindungsstege 33 an dem vorderen und hinteren Rahmenholm 4 und 6 angeformt sind. Die Art der Befestigung der federnden Druckelemente 31 wird anhand der Fig. 6 bis 9 erläutert. Diese Druckelemente stützen sich mit mechanischer Vorspannung am Flansch 19 der Gehäuse der Heizkörper 15 und 16 an einer Stelle ab, die den Halterändern 201 bzw. 202 des Druckelementes 20 diametral gegenüber liegen. In ähnlicher Weise wird der Heizkörper 17 arretiert und gegen die Unterseite der Kochplatte 12 gedrückt. Auch hier stützen sich die beiden federnden Druckelemente 31 an dem Gehäuseflansch ab, während auf der anderen Seite ein ebenfalls plattenartiges Druckelement 34 vorgesehen ist, das dieselbe Funktion hat wie das Druckelement 20 und das mittels Schrauben 221 am Heizkörper 17 befestigt ist und andererseits sich an dem Pfosten 24 abstützt und hinter die Hinterschneidungen der Ansätze 30 greift. An der Innenseite des Rahmenholmes 6 sind Pfosten 35 angeformt, die an den Unterseiten mit Gewindebohrungen versehen sind. An der Innenseite des gegenüberliegenden Rahmenholmes 4 sind Nocken 36 angeformt, die zusammen mit flanschartig angeformten Stegen 37 an der Rahmenholm-Unterseite Hinterschneidungen 38 bilden. In diese Hinterschneidungen 38 einsteckbar ist die eine Begrenzungskante eines im wesentlichen ebenen, dünnen Abdeckbleches 39, das an der gegenüberliegenden Seite an den Pfosten 35 mittels Schrauben 40 befestigt ist. Dieses Abdeckblech dient lediglich dem unteren Abschluß der Kochmulde und hat keinerlei tragende oder stützende Funktion. Wie schon erwähnt, erstreckt sich entlang dem Rahmenholm 6 und mit Abstand hiervon ein weiterer Holm 7, welcher einen Verdrahtungs-und Einbauraum begrenzt. Dieser zusätzliche, einen unmittelbaren Bestandteil des Druckgußteiles bildende Holm 7 ist an beiden gegenüberliegenden Seiten doppelt abgewinkelt und bildet hier verbreiterte Einbauplätze 41 und 42 für elektrische Bauelemente z. B. für einen Nockenschalter 43. Diese Einbauplätze befinden sich unmittelbar unterhalb der ebenfalls verbreiterten, schrägen Trägerleiste 9. Wie insbesondere Fig. 3 in Verbindung mit Fig. 14 zeigt, besitzt dieser Nockenschalter einen Schalthebel 44, der zur Durchführung eines Schaltvorganges um ca. 45° schwenkbar ist. Verbunden mit diesem Schalthebel ist ein um eine Achse 46 drehbarer Nockenträger 45, der hintereinander mehrere Schaltnocken 47 besitzt, wobei diese Schaltnocken nur an der Unterseite der Nockenachse 46 angeordnet sind, so daß sich eine sehr flache Bauweise des Nockenschalters ergibt. Durch die einzelnen Schaltnocken 47 werden Kontaktpaare 48 betätigt. Im vorliegenden Falle dient der Nockenschalter dem Ein- und Ausschalten der Kombinationsheizung 17. Wie Fig. 3 zeigt, ragt der Schalthebel 44 durch eine Öffnung in der Trägerleiste 9 hindurch nach oben. An der Außenseite des Rahmenholmes 6 bzw. der Trägerleiste 9 angeformt sind beim Ausführungsbeispiel gemäß Fig. 1 zwei plättchenartige Befestigungsansätze 49, von den jeder Befestigungsansatz zwei angesenkte Schraubenöffnungen 50 und zwei Stecköffnungen 51 besitzt. Nach dem Einsetzen der Kochmulde in einen Ausschnitt 52 der Arbeitsplatte 14 liegen diese Befestigungsansätze 49 unmittelbar auf der Oberfläche der Arbeitsplatte auf und werden mittels Schrauben mit der Arbeitsplatte 14 verschraubt.1 to 5 show a carrier 1 designed as an aluminum die-cast part with a circumferential, rectangular frame 2, the frame spars 3, 4 and 5 of which have an essentially L-shaped profile. A spar 7, which delimits a chamber 8, the function of which will be explained later, is arranged at a distance from the remaining, essentially T-shaped frame spar 6. In the area between the outer frame spar 6 in the exemplary embodiment and the inner spar 8, a support bar 9 which is inclined towards the front is formed with a trough-like recess 10 for a labeling strip or the like which can be inserted therein. In the manner of a picture frame, a receptacle 11 for a hotplate 12 made of glass-ceramic material is formed on the upper side of the spar 7 and on the upper sides of the frame spars 3 to 6. As shown in FIG. 1 in a corner area, the receptacle 11 of the carrier 1 can have sharp-edged corners, in contrast to known trough designs with more or less rounded corners. This makes it possible to use glass ceramic plates with sharp corners. The L-shaped design of the frame bars 3 to 6 results in a circumferential support flange 13 which, after the hob has been inserted, is placed on and supported on a rectangular section of a kitchen worktop 14 at the edges of this worktop. As is clear from FIG. 3, the support 1 and thus the entire hob has a construction depth that is equal to or less than the plate thickness of the worktop 14. Support and are formed in the cavity within the support or the support limitation on the frame bars 3 to 7 Pressure elements for electric radiators. The above-mentioned elements are an integral part of the die-cast carrier 1. As shown in the sectional views according to FIGS. 2, 3, 4 and 5, all parts extending in the structural depth of the carrier 1, such as the frame spars and, are in accordance with the requirements of die-casting technology the elements explained below are conical in order to obtain an optimal draft angle. In Fig. 1 and 2 it is indicated that there are 12 electric radiators below the glass ceramic hotplate, namely two circular radiators 15 and 16 of different diameters and an elongated radiator 17, which as a so-called combination radiator from two circular radiators and one in between, to the Form of the two aforementioned radiators correspondingly adapted additional radiators, the aforementioned radiators are combined within a prefabricated unit. The cup-like housing z. B. 18 all radiators 15 to 17 are pressed by the spring pressure elements explained below against the underside of the hotplate 12. The aforementioned housing are offset on the underside and have a flange z. B. 19. At 1 to 5, a plate-like and flat pressure element 20 is provided for fastening the radiators 15 and 16, which is essentially wing-shaped and has two circular-shaped holder edges 201 and 202, with which by means of screws 221 on the flange 19 of the two Irritant body housing is attached. A pocket-like extension 21 is formed on the inside of the side frame spar 3 and has a web 22, which forms an undercut, on the underside. The pressure element 20 engages behind this web 21 and is supported on this web. For further fixation and positional locking of the pressure element 20, two posts 24 are also formed on the inside of the frame spar 3 via connecting webs 23, each of which is provided on the underside with a holding pin 25. The pressure element 20 has corresponding bores with which it can be plugged onto the pin 25 and can thus be fixed in terms of position. The pressure element 20 has two further holes 26 on both sides of the two bores, through which the pressure element 20 can be plugged onto the holding pin 25 in different positions. In the embodiment, a centering nose 27 is also formed on the inside of the frame spar 3, which engages in a centering cutout 28. Again, two further centering cutouts are also present on both sides of this centering cutout 28 for the adjustment of the pressure element 20 in different positions. Finally, two centering webs 29, which widen at the end in a funnel-like manner, can be formed on the inside of the frame spar 3, which, when the base part of the pressure element 20 is shortened, enable the pressure element 20 to be centered in accordance with the dashed lines. In the area between the posts 24, further lugs 30 are formed on the inside of the frame spar 3, which, like the lug 21, serve to support the pressure element 20. In the same way there are 5 posts 24, lugs 30 and centering webs 29 on the opposite frame spar. It is therefore possible to alternatively arrange the radiators 15 and 16 on the side of the cooking hob delimited by the frame spar 5. For the further fastening of the radiators 15, 16 serve leaf spring-like pressure elements 31 which can be fastened in pocket-like projections 32, these projections 32 in turn being molded onto the front and rear frame members 4 and 6 via connecting webs 33. The type of attachment of the resilient pressure elements 31 is explained with reference to FIGS. 6 to 9. These pressure elements are supported with mechanical pretension on the flange 19 of the housing of the radiators 15 and 16 at a point which is diametrically opposite the holding edges 201 and 202 of the pressure element 20. The heating element 17 is locked in a similar manner and pressed against the underside of the hotplate 12. Here, too, the two resilient pressure elements 31 are supported on the housing flange, while a plate-like pressure element 34 is also provided on the other side, which has the same function as the pressure element 20 and which is fastened to the radiator 17 by means of screws 221 and on the other hand is attached to the Posts 24 supports and engages behind the undercuts of the lugs 30. Posts 35 are formed on the inside of the frame spar 6 and are provided with threaded holes on the undersides. Cams 36 are formed on the inside of the opposite frame spar 4, which together with flange-shaped webs 37 form undercuts 38 on the underside of the frame spar. One of the boundary edges of an essentially flat, thin cover plate 39, which is fastened on the opposite side to the post 35 by means of screws 40, can be inserted into these undercuts 38. This cover plate only serves the lower end of the hob and has no supporting or supporting function. As already mentioned, a further spar 7 extends along the frame spar 6 and at a distance therefrom, which delimits a wiring and installation space. This additional, a direct part of the die-cast part spar 7 is double angled on both opposite sides and here forms widened installation spaces 41 and 42 for electrical components such. B. for a cam switch 43. These bays are located directly below the likewise widened, oblique support bar 9. As shown in particular in FIG. 3 in connection with FIG. 14, this cam switch has a switching lever 44 which is used to carry out a switching operation by approx. 45 ° is pivotable. Connected to this switching lever is a cam carrier 45 which can be rotated about an axis 46 and which has a plurality of switching cams 47 one behind the other, these switching cams being arranged only on the underside of the cam axis 46, so that the cam switch has a very flat design. Contact pairs 48 are actuated by the individual switching cams 47. In the present case, the cam switch is used to switch the combination heater 17 on and off. As FIG. 3 shows, the switching lever 44 projects upwards through an opening in the carrier strip 9. In the exemplary embodiment according to FIG. 1, two plate-like fastening attachments 49 are formed on the outside of the frame spar 6 or the carrier strip 9, of which each fastening attachment has two countersunk screw openings 50 and two plug-in openings 51. After the hob has been inserted into a cutout 52 of the worktop 14, these attachment lugs 49 lie directly on the surface of the worktop and become screwed to the worktop 14 by means of screws.

Wie aus den Fig. 1 und 2 zu entnehmen ist, besitzt der Kammerholm 7 zum übrigen Trägerhohlraum hin zwei nach unten hin offene Drahtführungsschlitze 53, wobei jedem Drahtführungsschlitz in Höhe des Schlitzendes ein am Kammerholm 7 angeformter, den Drahtführungsweg zum Teil übergreifender Halteflügel 54 zugeordnet ist. Diese Anordnung ist als Einzelheit deutlich in den Figuren 15 und 16 gezeigt. Im Bereich der Kammer 8 ist die elektrische Verdrahtung 55 verlegt, die zur elektrischen Verbindung der elektrischen Bauelemente z. B. des Nockenschalters 43 mit den Heizkörpern 15 bis 17 erforderlich ist. Durch die Drahtführungsschlitze 53 hindurch sind die Drähte zu den Heizkörpern geführt, wobei die Halteflügel 54 dafür sorgen, daß die gesamte Verdrahtung im Inneren der Verdrahtungskammer 8 gehalten wird. Am gegenüberliegenden, also frontseitigen Rahmenholm 4 ist eine Kabelführung 56 für die nach außen führende Verkabelung oder Verdrahtung 57 angeformt. Die Ausgestaltung dieser Kabelführung 56 ist in den Fig. 17, 18 und 19 näher verdeutlicht. Hierbei ist am Rahmenholm 4 angeformt eine Führungstasche 58, ein Befestigungsansatz 59 für ein L-förmiges Zugentlastungs-Druckelement 60 sowie eine Kanalwand 61 mit Haltelappen 62. Durch die Kanalwand 61 wird der Kabelkanal 63 begrenzt und unterhalb des Haltelappens 62 rechtwinkelig umgelenkt. Hierbei preßt sich das durch das Druckelement 60 gesicherte Kabel 57 infolge seiner Eigenspannung gegen die Kanalwand 61, und wird durch den Haltelappen 62 gegen Herausgleiten gesichert. Wie die Fig. 5 und 18 zeigen, besitzt das abgehende Ende des Kabels 57 einen Anschlußstecker 64, welcher mit einer schaltungsmäßig nachgeordneten Steuervorrichtung z. B. in einem unterhalb der Kochmulde befindlichen Herd elektrisch verbunden werden kann.As can be seen from FIGS. 1 and 2, the chamber spar 7 has two wire guide slots 53 which are open towards the rest of the carrier cavity, with each wire guide slot at the height of the slot end being associated with a holding wing 54 which is integrally formed on the chamber bar 7 and partially overlaps the wire guide path . This arrangement is clearly shown as a detail in FIGS. 15 and 16. In the area of the chamber 8, the electrical wiring 55 is laid, which for the electrical connection of the electrical components, for. B. the cam switch 43 with the radiators 15 to 17 is required. The wires are guided through the wire guide slots 53 to the radiators, the retaining wings 54 ensuring that the entire wiring is held inside the wiring chamber 8. A cable guide 56 for the cabling or wiring 57 leading to the outside is formed on the opposite frame spar 4, that is to say on the front. The design of this cable guide 56 is illustrated in FIGS. 17, 18 and 19 in more detail. In this case, a guide pocket 58, a fastening projection 59 for an L-shaped strain relief pressure element 60 and a channel wall 61 with retaining tabs 62 are integrally formed on the frame bar 4. The channel channel 61 delimits the channel channel 61 and deflects it at right angles below the retaining tab 62. Here, the cable 57 secured by the pressure element 60 presses against the duct wall 61 due to its inherent tension, and is secured against sliding out by the retaining tab 62. 5 and 18 show, the outgoing end of the cable 57 has a connector 64, which with a circuit-like control device z. B. can be electrically connected in a stove located below the hob.

Beim Ausführungsbeispiel gemäß Fig. 6 bis 9 sind wiederum im Hohlraum eines als Druckgußteil ausgebildeten Trägers 1 drei Heizkörper 15, 16 und 17 angeordnet, die gegen die Unterseite einer aus glaskeramischem Material bestehenden Kochplatte federnd gedrückt werden. Zum Unterschied zum Ausführungsbeispiel gemäß Fig. 1 werden hierfür nur gleiche oder gleichartige Druckelemente 31 verwendet, die unterschiedlich lang sein können. Für die Befestigung dieser Druckelemente 31 sind an den Innenseiten von sämtlichen Rahmenholmen des Trägers 1 in den Innenraum des Trägers hineinragende Ansätze 65 bis 70 angeformt. Gemäß einer ersten Ausführungsform sind diese Ansätze gemäß Fig. 7 taschenartig ausgebildet, besitzen also taschenartige Vertiefungen 71, in die das jeweilige, als Federplättchen ausgebildete Druckelement 31 eingelegt und durch eine Schraube befestigt werden kann. Die Anordnung der Ansätze ist hierbei so gewählt, daß für jeden Heizkörper jeweils ein Ansatzpaar vorhanden ist für Druckelemente, die den jeweiligen Heizkörper an diametral gegenüberliegenden Stellen angreifen, wobei mit dem Befestigen des Druckelementes z. B. mit dem Anziehen der Schraube dieses Druckelement gegenüber dem Heizkörper bzw. dessen Gehäuse mechanisch federnd verspannt wird. Gemäß einer bevorzugten Ausführungsform wird völlig auf eine Schraubenverbindung verzichtet. Die Figuren 8 und 9 zeigen alternative Ausführungen eines solchen Druckelementes 72 bzw. 72'. Beim Ausführungsbeispiel gemäß Fig. 8 besitzt der über relativ dünne Stege mit dem Rahmenholm in Verbindung stehende Ansatz eine taschenartige Ausnehmung 73, dessen dem Heizkörper 16 zugewandter Schenkel ausgespart ist und eine Rastkante 74 besitzt. In diese Ausnehmung mit Vorspannung einsteckbar ist das in Form einer U-förmigen Feder ausgebildete Druckelement 72, wobei an dem freien Schenkel des U-förmigen Rastansatzes 75 eine Rastnocken 76 vorgesehen ist. Das andere freie Federende besitzt einen Zentrieransatz 77, der in einer entsprechenden Zentrieröffnung im Heizkörper-Gehäuse verrastet und damit den Heizkörper z. B. 16 lagemäßig fixiert. Mit dem Einstecken des Rastansatzes 75 verrastet die Rastnocke 76 hinter der Rastkante 74, so daß das Druckelement 72 arretiert ist. Ein Lösen des Druckelementes 72 ist in einfacher Weise dadurch möglich, daß auf das Federende des Rastansatzes 75, das über das andere Federende mit dem Zentrieransatz 77 hinaus ragt, ein Druck ausgeübt wird, womit die Rastverbindung gelöst wird und das Druckelement aus der Ausnehmung 73 herausgezogen werden kann. Beim Ausführungsbeispiel gemäß Fig. 9 besitzt der Ansatz 65' ebenfalls eine Ausnehmung 73' mit Rastkante 74', die sich allerdings an dem, dem Heizkörper 16 abgewandten Schenkel des Ansatzes befindet. Auch hierbei besitzt das Druckelement 72' einen U-förmigen Rastansatz 75' mit Rastnocke 76', die beim Eindrücken des Druckelementes 72' hinter der Rastkante 74' verrastet. Auch diese Rastverbindung kann in einfacher Weise gelöst werden durch Druck auf das freie Federende des Rastansatzes 75'. Die beiden alternativen Ausführungsformen unterscheiden sich hauptsächlich in der Länge des wirksamen Federweges, d. h. der Feder weg ist beim Ausführungsbeispiel gemäß Fig. 8 größer als beim Ausführungsbeispiel gemäß Fig. 9. Beim Ausführungsbeispiel gemäß Fig. 6 sind die weiteren Ansätze 69 und 70 vorgesehen für den Einbau von runden Einzelheizkörpern, wie 15 und 16, anstelle des langgestreckten Heizkörpers 17.In the embodiment according to FIGS. 6 to 9, three radiators 15, 16 and 17 are again arranged in the cavity of a support 1 designed as a die-cast part, which are pressed resiliently against the underside of a hotplate made of glass-ceramic material. In contrast to the exemplary embodiment according to FIG. 1, only the same or similar pressure elements 31 are used for this, which can be of different lengths. For the attachment of these pressure elements 31, protrusions 65 to 70 protruding from the inside of the carrier 1 are formed on the inner sides of all frame spars of the carrier 1. According to a first embodiment, these approaches are pocket-like according to FIG. 7, that is to say they have pocket-like recesses 71, into which the respective pressure element 31, designed as a spring plate, can be inserted and fastened by a screw. The arrangement of the approaches is chosen so that there is a pair of approaches for each radiator for pressure elements that attack the respective radiator at diametrically opposite points, with the attachment of the pressure element z. B. with the tightening of the screw this pressure element against the radiator or its housing is mechanically resilient. According to a preferred embodiment, a screw connection is completely dispensed with. FIGS. 8 and 9 show alternative designs of such a pressure element 72 or 72 '. In the exemplary embodiment according to FIG. 8, the attachment, which is connected to the frame spar via relatively thin webs, has a pocket-like recess 73, the leg of which facing the radiator 16 is recessed and has a latching edge 74. The pressure element 72, which is designed in the form of a U-shaped spring, can be inserted into this recess with pretension, a latching cam 76 being provided on the free leg of the U-shaped latching projection 75. The other free spring end has a centering projection 77, which engages in a corresponding centering opening in the radiator housing and thus the radiator z. B. 16 fixed in position. When the catch projection 75 is inserted, the catch cam 76 engages behind the catch edge 74, so that the pressure element 72 is locked. A release of the pressure element 72 is possible in a simple manner in that a pressure is exerted on the spring end of the locking projection 75, which projects beyond the other spring end with the centering projection 77, whereby the locking connection is released and the pressure element is pulled out of the recess 73 can be. In the exemplary embodiment according to FIG. 9, the projection 65 'likewise has a recess 73' with a latching edge 74 ', which, however, is located on the leg of the projection facing away from the radiator 16. Here, too, the pressure element 72 'has a U-shaped latching projection 75' with a latching cam 76 'which latches behind the latching edge 74' when the pressure element 72 'is pressed in. This latching connection can also be released in a simple manner by pressing on the free spring end of the latching projection 75 '. The two alternative embodiments differ mainly in the length of the effective travel, i.e. H. the spring away is larger in the exemplary embodiment according to FIG. 8 than in the exemplary embodiment according to FIG. 9. In the exemplary embodiment according to FIG. 6, the further approaches 69 and 70 are provided for the installation of round individual radiators, such as 15 and 16, instead of the elongated radiator 17 .

Fig. 10 zeigt in schematischer Darstellung einen Träger 1, der ebenfalls als Druckgußteil ausgebildet ist. Hierbei ist die Kochmulde unterteilt in eine Plattenzone a mit z. B. vier runden Kochstellen und in eine Abstell- oder Warmhaltezone b. Unterhalb der Kochplatte kann in der zuletzt genannten Zone b eine entsprechend geformte Warmhalteheizung angeordnet sein. Die Unterteilung innerhalb des Trägerhohlraumes erfolgt hierbei durch einen Steg 78, der an den beiden gegenüberliegenden Rahmenholmen 4 und 6 in nachstehend beschriebener Weise befestigt ist. Wie anhand der Fig. 11 bis 13 gezeigt, ist am Rahmenholm 4 ein zapfenförmiger Befestigungsansatz 79 und am gegenüberliegenden Rahmenholm 6 ein schwertförmiger Befestigungsansatz 80 angeformt. Entsprechend besitzt der Steg 78 auf der einen Seite eine ösenartige Ausnehmung 81 und auf der anderen Seite eine langgestreckte, gabelartige Ausnehmung 82. Aus druckgußtechnischen Gründen besitzen die Befestigungsansätze 79 und 80 ein konusartiges Profil, ebenso wie die Ausnehmungen 81 und 82. Damit läßt sich der Steg 78 durch einfaches Aufstecken bzw. Aufpressen auf die Befestigungsansätze sicher arretieren, wobei durch die gabelartige Form der Ausnehmung 82 Toleranzabweichungen im Maß zwischen den Rahmenholmen 4 und 6 ausgeglichen werden können. Vorzugsweise sind an mehreren Stellen entlang der Rahmenholme 4, 6 solche Befestigungsansätze vorgesehen, so daß der Steg 78 wahlweise an unterschiedlichen Stellen längs der Kochmulde angesetzt werden kann. Der Steg 78 hat eine Bauhöhe, die zumindest annähernd der Bauhöhe des Trägers 1 entspricht. Vorzugsweise entspricht die Steghöhe im wesentlichen der Heizkörperhöhe, so daß durch diesen wärmetechnisch eine Trennung zwischen der Plattenzone a und der Abstell- oder Warmhaltezone b erreicht wird.Fig. 10 shows a schematic representation of a carrier 1, which is also designed as a die-cast part. Here, the hob is divided into a plate zone a with z. B. four round hotplates and in a storage or warming zone b. Below the hotplate, a zone b can be found in the latter zone suitably shaped warming heater can be arranged. The subdivision within the carrier cavity takes place here by means of a web 78 which is fastened to the two opposite frame bars 4 and 6 in the manner described below. As shown in FIGS. 11 to 13, a peg-shaped fastening attachment 79 is formed on the frame spar 4 and a sword-shaped fastening attachment 80 is formed on the opposite frame spar 6. Correspondingly, the web 78 has on one side an eyelet-like recess 81 and on the other side an elongated, fork-like recess 82. For reasons of die-casting, the fastening lugs 79 and 80 have a cone-like profile, as do the recesses 81 and 82. This allows the Lock web 78 securely by simply plugging or pressing onto the fastening lugs, tolerance deviations in the dimension between the frame bars 4 and 6 being able to be compensated for by the fork-like shape of the recess 82. Such attachment approaches are preferably provided at several points along the frame bars 4, 6, so that the web 78 can optionally be attached at different points along the cooking hob. The web 78 has an overall height that corresponds at least approximately to the overall height of the carrier 1. The web height preferably substantially corresponds to the height of the radiator, so that this separates the plate zone a and the storage or holding zone b thermally.

Fig. 20 zeigt einen Ausschnitt vom rückwärtigen Teil der Kochmulde gemäß Fig. 1. Hierbei ist im Anschluß an die geneigte Trägerleiste 9 einer der beiden Befestigungsansätze 49 zu sehen, der mittels Schrauben und der Schraubenöffnungen 50 (Fig. 1) mit der Arbeitsplatte 14 verbunden ist. Mit 83 ist eine vorzugsweise aus Kunststoff bestehende Abdeckung bezeichnet, die L-förmig ausgebildet ist und zwei Steckzapfen 84 aufweist, mit denen die Abdeckung in die Stecköffnungen 51 des Befestigungsansatzes 49 aufsteckbar und damit arretierbar ist. Mit der Abdeckung 83 wird der gesamte Befestigungsansatz 49 abgedeckt, so daß die Befestigungsschrauben nicht mehr sichtbar sind. In vorteilhafter Weise befinden sich hierbei die Befestigungsansätze 49 einschließlich der Abdeckungen 83 hinter der erhöhten Kuppe der Trägerleiste an der rückwärtigen Seite der Kochmulde, so daß die vorgenannten Teile den ästhetischen Eindruck nicht nachteilhaft beeinflussen.FIG. 20 shows a section of the rear part of the hob according to FIG. 1. Here, following the inclined support bar 9, one of the two attachment lugs 49 can be seen, which is connected to the worktop 14 by means of screws and the screw openings 50 (FIG. 1) is. A cover, preferably made of plastic, is designated by 83, which is L-shaped and has two plug pins 84, with which the cover can be plugged into the plug-in openings 51 of the fastening projection 49 and can thus be locked. The entire fastening attachment 49 is covered with the cover 83, so that the fastening screws are no longer visible. Advantageously, here are the attachment lugs 49 including the covers 83 behind the raised top of the support bar on the rear side of the hob, so that the aforementioned parts do not adversely affect the aesthetic impression.

Beim Ausführungsbeispiel gemäß den Fig. 21 und 22 ist an der rückwärtigen Seite der Kochmulde, also hinter der erhöhten Kuppe der Trägerleiste 9 ein durchgehender, sich über die gesamte Muldenbreite erstreckender Befestigungsansatz 85 vorgesehen, der z. B. an zwei Stellen beidseitig der Mulde Einbuchtungen 86 besitzt mit Schraubenöffnungen 50 und Stecköffnungen 51. In diese Einbuchtung 86 flächenbündig einsteckbar ist eine wiederum L-förmige Abdeckung 87, die zu diesem Zweck mit entsprechenden Steckzapfen 88 ausgestattet ist.In the embodiment according to FIGS. 21 and 22, on the rear side of the hob, that is to say behind the raised crest of the support bar 9, there is a continuous fastening projection 85 which extends over the entire width of the hob. B. in two places on both sides of the trough has indentations 86 with screw openings 50 and plug-in openings 51. A flush L-shaped cover 87 can be inserted into this indentation 86, which is equipped for this purpose with corresponding plug-in pins 88.

Beim Ausführungsbeispiel gemäß den Fig. 23 und 24 ist im Anschluß an den rückwärtigen Trägerholm 6 und an die rückwärtige verbreiterte Trägerleiste 9 ein von der höchsten Erhebung der Trägerleiste 9 ausgehender, schräg geneigter Befestigungsansatz 89 angeformt, die in ähnlicher Weise wie beim Ausführungsbeispiel gemäß Fig. 21 und 22 durchgehend in der gesamten Muldenbreite verläuft und Einbuchtungen 90 besitzt mit Schraubenöffnungen bzw. Stecköffnungen, welche Einbuchtungen wiederum durch Abdeckungen flächenbündig verschlossen werden können. In den Fig. 25 bis 29 sind Mittel gezeigt, mit denen die beschriebene Kochmulde in einfacher Weise in einem Ausschnitt 52 einer Arbeitsplatte 14 montiert werden kann. Hierzu ist an der Außenseite des frontseitigen Trägerholmes 4 ein Rastnocken 91 angeformt, der V-förmig ausgebildet ist. An der entsprechenden Kante des Ausschnittes 52 ist eine Beschlagfeder 92 befestigt, die anhand der Figuren 27 und 28 verdeutlicht ist. Diese Beschlagfeder 92 besitzt einen plättchenartigen Basisteil 93 mit Befestigungskrampen 94 für die Befestigung an der Arbeitsplatte sowie einen ausgeschnittenen V-förmig gebogenen Federschenkel 95. Der Abstand der Rastnocke 91 von der oberen Plattenbegrenzung ist so gewählt, daß nach dem schrägen Aufsetzen der Kochmulde gemäß Fig. 25 die Rastnocke 91 in Kontakt mit dem unteren, schräg geneigten Abschnitt 96 gerät, womit nach vollständigem Aufsetzen der Kochmulde auf die Arbeitsplatte gemäß Fig. 26 durch den Federschenkel 95 eine Druckkraft nach unten auf den Rastnocken ausgeübt wird, wodurch ein unbeabsichtigtes Abheben der Kochmulde von der Arbeitsplatte verhindert wird. Danach wird - wie beschrieben - die Kochmulde an der Rückseite durch z. B. zwei Schrauben gesichert Die beschriebene Beschlagfeder 92 dient gleichzeitig als Montage-Anreißlehre. Hierfür hat diese Beschlagfeder 92 eine Länge A, die der halben Länge A des Ausschnittes 52 in der Arbeitsplatte entspricht. Bei der Montage wird zunächst die Beschlagfeder an eine Kante des Ausschnittes 52 gelegt, wonach am Ende der Beschlagfeder 92 an der Arbeitsplatte eine Anreißmarkierung gemacht wird. Danach wird die Beschlagfeder 92 auf diese Anreißmarkierung mittig gesetzt, wofür die Beschlagfeder 92 an dieser Stelle eine Anreißkerbe 97 besitzt. Damit stimmen die Stellungen von Rastnocke 91 und Beschlagfeder 92 überein.In the exemplary embodiment according to FIGS. 23 and 24, an obliquely inclined fastening projection 89, which starts from the highest elevation of the carrier strip 9, is formed on the rear carrier spar 6 and the rear widened carrier strip 9, which in a similar manner to the exemplary embodiment according to FIG. 21 and 22 runs throughout the entire trough width and has indentations 90 with screw openings or plug-in openings, which indentations in turn can be closed flush with covers. 25 to 29, means are shown with which the cooking hob described can be mounted in a cutout 52 of a worktop 14 in a simple manner. For this purpose, a locking cam 91 is formed on the outside of the front-side support beam 4, which is V-shaped. A fitting spring 92 is fastened to the corresponding edge of the cutout 52 and is illustrated by means of FIGS. 27 and 28. This fitting spring 92 has a plate-like base part 93 with fastening cramps 94 for fastening to the worktop and a cut-out V-shaped spring leg 95. The distance of the locking cam 91 from the upper plate limit is selected so that after the sloping mounting of the hob as shown in FIG. 25, the locking cam 91 comes into contact with the lower, inclined section 96, so that after the cooking hob has been completely placed on the worktop according to FIG. 26, the spring leg 95 exerts a downward pressure force on the locking cam, thereby unintentionally lifting the cooking hob from the worktop is prevented. Then - as described - the hob on the back by z. B. two screws secured The described fitting spring 92 also serves as an assembly marking gauge. For this purpose, this fitting spring 92 has a length A which corresponds to half the length A of the cutout 52 in the worktop. During assembly, the fitting spring is first placed on an edge of the cutout 52, after which a marking mark is made at the end of the fitting spring 92 on the worktop. The fitting spring 92 is then placed in the center of this marking, for which the fitting spring 92 has a marking notch 97 at this point. The positions of the locking cam 91 and the fitting spring 92 match.

Claims (29)

1. Cooking-trough comprising a cooking surface (12) especially a glassceramic plate with cooking places, heating elements (15,16,17) for the cooking places and a frame like support (1), which has an upper framecase, a bearing- element (11) for the cooking-surface and an essentially vertical surrounding frame wall, on which are fixed mounting elements (20) for parts arranged in the hollow space of the support, such as heating elements (15, 16, 17), characterized in that the mounting elements, e. g. the holding-and pressure-elements (21, 24, 32, 65 to 70) for the heating elements (15, 16, 17) are constituted as profile-elements forming an unit with said support (1), which profile-elements project exclusively from the inside of the framewall (3, 4, 5) into the hollow space of the support, and in that further profile-elements also formed as an unit with the support (1) form a chamber separated by the hollow space of the support for installation of a power supply device for the heating elements.
2. Cooking-trough according to claim 1, further characterized in that said profile-elements (2) are constituted as added pieces (21, 24, 32, 65 to 70) projecting inside of the frame to the area of the heating elements, on which added pieces are fixable pressure elements (20, 31, 72) for said heating elements.
3. Cooking-trough according to claim 2, further charakterized in that each added piece (32, 65, 66) has a pocketlike recess (71, 73, 73'), in which an espescially spring-loaded pressure element (31, 72) is insertable and lockable.
4. Cooking-trough according to claim 3, further characterized in that the pressure element (72, 72') has a snapping attachment (75, 75') in the main U-formed and insertable into the recess (73, 73') with a latch (76, 76') which snaps at the back of a latching edge (74, 74') inside of the recess.
5. Cooking-trough according to claim 4, further charakterized in that the latch (76) is arranged on the free spring end of the snapping attachment (75) and in that the other spring end is formed as a pressure shoulder for the heating element and has an especially bended spigot (77), which gears into a centering opening on the heating element.
6. Cooking-trough according to one of the preceding claims further charakterized in that there is provided a pressure element (20, 34) essentially plane in form of a plate projecting of the framewall of the support (1) to the area of the heating elements, which pressure element is fixed with one side inside of the frame and with its other end it stays against the edge of the heating element, preferably by belting on, and the heating element on the opposite edge-aera is pressed by at least one pressure element (31) against the booking surface (12).
7. Cooking-trough according to claim 6, further charakterized in that the pressure element (20, 34) is formed winglike and has two bended pressure edges (201, 202), which are connected with the edges of two heating elements (15, 16), and in that each of the heating elements are pressed by an espessially elastical pressure element against the cooking surface (12).
8. Cooking-trough according to one of the claims 6 or 7, further characterized in that on the inside of the frame there is tip-stretched at least one centering element (27, 29) for the pressure element (20, 34).
9. Cooking-trough according to claim 8 further characterized in that the pressure element (20) has some centering clearances (28) and is fixable on the centering element (27) of the frame side in different positions.
10. Cooking-trough according to one of the preceding claims with a plate zone having cooking places and a side-rest-zone or warm-holding-zone, further characterized in that the hollow space of the support is divided by a web (78) in a cooking part (a) and in side rest- or warm-holding part (b).
11. Cooking-trough according to claim 10, further characterized in that the web (78) is connectable as a separate part with fixing attachements tip-streched on the support frame.
12. Cooking-trough according to claim 11, further characterized in that on the support frame on different points there are provided several pairs of mounting attachements.
13. Cooking-trough according to one of the claims 11 or 12, further characterized in that the mounting attachements have a taperlike form, on which the web (78) with corresponding taperlike clearances is attachable and pressable.
14. Cooking-trough according to claim 13, further characterized in that the mounting attachements provided on opposite spars (4, 6) of the frame support and belonging together functionally are formed on one hand by a conical mounting attachement (79) for fixing of a looplike clearance (81) of the web (78) and on the other hand by a swordshaped mounting attachement (80) for fixing variable in position of a forked clearance (82) of the same web.
15. Cooking-trough according to claim 14, further characterized in that the chamber (8) extends along the spars on the backside and frontside.
16. Cooking-trough according to claim 14 or 15, further characterized in that in the chamber (8) installation-places (42,43) are provided for espescially electrical components (43).
17. Cooking-trough according to one of the preceding claims, further characterized in that the chamber (8) is provided below an enlarged mounting strip (9) carrying operating elements or indicating elements or the like and extends along the said strip.
18. Cooking-trough according to claim 16 or 17, further characterized in that in an espescially cornerside lying installation-place (41, 42) of the chamber (8) there is mounted a cam switch (43), the switch-lever (44) of which swiveling through an acute operating angle projects the mounting strip (9) and has only at the lower side of the cam axis (46) trip cams (47) projecting them.
19. Cooking-trough according to one of the preceding claims, further characterized in that the chamber spar (7) limiting the chamber has in direction to the support hollow space at least one wire guide slot (53), to which in the level of the end of the slot is associated a holding-wing (45) tip streched to the chamber spar and overlaping the wire guiding.
20. Cooking-trough according to one of the claims 15 to 19, further characterized in that at one of the supporting spars (4) a cable guide (56) guiding outside is tip-streched with a cable-duct (63) guiding from the support hollow space to outside especially with against them braceable pressure elements (60) for traction relief and with a duct wall (61) provided transverse to the cable duct, on which duct wall the guided cable is squeezed and secured there by a holding lug (62) tips-treched on this duct-wall.
21. Cooking-trough to one of the claims 15 to 20, further characterized in that outside of at least one of the supporting spars (6) one or several fixing attachements (49, 85, 89) are tip-streched, which fixing attachements are supported by the working plate (14) comprising the cooking-trough and serves for fixing of the cooking-trough with the working plate.
22. Cooking-trough according to claim 21, further characterized in that each fixing attachement has at least one screw opening (50) and a plug opening for a covering (83, 87) attachable on the attachement flange.
23. Cooking-trough according to claim 22, further characterized in that in connection with at least one supporting spar (6) there is provided an especially inclined fixing attachement (85, 89) extending about the whole sparlength and having cavities (86, 90) with fixing openings and plug openings provided inside, in which openings covers are inserting surface flushly.
24. Cooking-trough according to one of the claims 21 to 23, further characterized in that the fixing attachement is provided on the outer side of the backside supporting spar (6) espescially tilted to front, and the fixing attachement falls down in the high against the supporting spar.
25. Cooking-trough according on one of the claims 15 to 24, further characterized in that a notch (91) is tip-streched outside of the espescially frontside supporting spar (4) with a distance to the plane of the cooking plate, which notch interacts latchingly with a fitting spring (92) on the working plate.
26. Cooking-trough according to claim 25, further characterized in that the fitting spring (92) has a V-shaped free leg (95) and in that the notch (91) snaps in-to the below slaping portion (96) of the spring leg.
27. Cooking-trough according to claim 25 or 26, further characterized in that the fitting spring (92) platelike with exception of the spring leg is provided with fixing clamps.
28. Cooking-trough according to one of the claims 26 and 27, further characterized in that the fitting spring (92) has in horizontal direction a length (A), which corresponds with the distance of an edge of the hollow square (52) in the working plate (14) to the center of the fitting spring fixed on the opening edge in the desired position, and in that the fitting spring in this center has a marking groove serving as marking device for mounting.
29. Cooking-trough according to one of the preceding claims, further characterized in that the frame wall has a flangelike installation (11) for the cooking plate and essentially sharp-edged ends.
EP83109998A 1982-11-12 1983-10-06 Cooking plate Expired EP0108916B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83109998T ATE34451T1 (en) 1982-11-12 1983-10-06 COOKTOP.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3242026 1982-11-12
DE3242026A DE3242026C2 (en) 1982-11-12 1982-11-12 Cooking hob with a frame-like support

Publications (3)

Publication Number Publication Date
EP0108916A2 EP0108916A2 (en) 1984-05-23
EP0108916A3 EP0108916A3 (en) 1985-05-29
EP0108916B1 true EP0108916B1 (en) 1988-05-18

Family

ID=6178052

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83109998A Expired EP0108916B1 (en) 1982-11-12 1983-10-06 Cooking plate

Country Status (5)

Country Link
EP (1) EP0108916B1 (en)
AT (1) ATE34451T1 (en)
DE (2) DE3242026C2 (en)
ES (3) ES285008Y (en)
PT (1) PT77576B (en)

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EP1985931A1 (en) 2007-04-24 2008-10-29 Electrolux Home Products Corporation N.V. Cooking hob

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GB2217001A (en) * 1988-02-19 1989-10-18 Electrolux Ab Mounting cooker hob panels
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DE4229213A1 (en) * 1992-09-03 1994-11-03 Franz Josef Ridder Ceran EURO-UNIVERSAL 580 x 510 m/m hob (cool top platform), in the colours white, brown and Inoxx 18/10
EP0663566B1 (en) * 1994-01-15 1998-12-09 Whirlpool Europe B.V. Device for simplifying the positioning of heating elements in a glass ceramic cooking hob
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Also Published As

Publication number Publication date
ES288599Y (en) 1987-12-01
ES285008Y (en) 1986-09-01
PT77576B (en) 1986-02-27
ES288598U (en) 1986-03-01
ES285008U (en) 1986-02-01
PT77576A (en) 1983-11-01
EP0108916A3 (en) 1985-05-29
ES288599U (en) 1987-05-01
DE3242026C2 (en) 1985-08-14
DE3376671D1 (en) 1988-06-23
EP0108916A2 (en) 1984-05-23
ATE34451T1 (en) 1988-06-15
ES288598Y (en) 1986-10-01
DE3242026A1 (en) 1984-06-14

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