EP0061036B1 - Dispositif de montage de plaques électriques de cuisson - Google Patents

Dispositif de montage de plaques électriques de cuisson Download PDF

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Publication number
EP0061036B1
EP0061036B1 EP82101707A EP82101707A EP0061036B1 EP 0061036 B1 EP0061036 B1 EP 0061036B1 EP 82101707 A EP82101707 A EP 82101707A EP 82101707 A EP82101707 A EP 82101707A EP 0061036 B1 EP0061036 B1 EP 0061036B1
Authority
EP
European Patent Office
Prior art keywords
mounting
support ring
ring
arrangement according
mounting arrangement
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
EP82101707A
Other languages
German (de)
English (en)
Other versions
EP0061036A1 (fr
Inventor
Karl Fischer
Felix Schreder
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Priority claimed from US06/245,541 external-priority patent/US4829160A/en
Application filed by Individual filed Critical Individual
Publication of EP0061036A1 publication Critical patent/EP0061036A1/fr
Application granted granted Critical
Publication of EP0061036B1 publication Critical patent/EP0061036B1/fr
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/10—Tops, e.g. hot plates; Rings
    • F24C15/108—Mounting of hot plate on worktop
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
    • B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
    • B24D3/344—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent the bonding agent being organic
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/32—Holders or supports for basins
    • E03C1/33—Fastening sinks or basins in an apertured support

Definitions

  • the invention relates to a mounting arrangement for electric hotplates with a hotplate body, a surrounding and radially protruding, made of sheet metal support ring, which rests with its radially inner part on the hotplate body, the distance between the inner edge of an installation opening in an existing of glass or ceramic material Covered mounting plate and is supported in the area of its outer edge against this and with an elastic sealing ring interposed between the support ring and mounting plate.
  • Such a mounting arrangement is known from DE-U-7914111.
  • one embodiment provides for the seal to be inserted into a recess in the mounting plate, and in another embodiment it is fixed by a rib of the mounting plate surrounding the mounting opening.
  • This requires a specially shaped mounting plate in which the mounting openings are already provided during manufacture.
  • the mounting plate is very strongly heated by a flange of the hotplate body which projects downward.
  • the object of the invention is to provide a mounting arrangement which is particularly suitable for mounting plates made of glass or ceramic material and which reduces the mechanical and thermal stress on the mounting plate with a low installation height.
  • the object is achieved according to the invention in the installation arrangement set out at the outset by an installation ring which is completely covered by the one-piece support ring and has an essentially annular shielding section which covers the inner edge of the installation opening and has means for positioning the sealing ring in such a position that its between the installation plate and support ring effective sealing area is close to the outer circumference of the support ring.
  • the effective sealing area is as far away from the hotplate as possible. It has been found that the heat conduction through the relatively thin-walled sheet metal support ring, in particular if it is made of stainless steel, is so low that the temperatures on the seal and mounting plate can be carried without additional intermediate rings which increase the height and the sealing problems would have to interpose.
  • the completely internal mounting ring shields both the inner edge of the mounting opening and thus the mounting plate itself and the seal from radiant heat. Due to the exact positioning of the seal, it is possible to work with a minimum of external holding force, ie the hotplate does not have to be clamped against the mounting plate with great force, which would put additional strain on it.
  • the exact 'positioned and retained in position by seal provides the force applied by its static friction ensure that the hot plate can not rotate. In this way, the hot plates stiffen the built-in plate instead of putting additional mechanical stress on it.
  • FIG. 1 shows part of the edge of a hotplate body 12 of a conventional electric hotplate 11 which is not shown in detail. It consists of a hotplate body 12 made of cast iron, the flat surface of which forms the cooking surface 13 on which the cooking vessels can be placed. On the underside, helical heating resistors are inserted in spiral grooves and embedded in an insulating ceramic mass. Such hot plates are described, for example, in GB-A-1 577 367. On the outer circumference of the circular hotplate body 12, this has an upper, outwardly projecting flange 14 and a downwardly projecting, essentially cylindrical ring flange 15, the upper part of which is slightly tapered and forms a contact surface 16 for a support ring 17.
  • the radially inner part 18 of the thin, stainless steel support ring 17 rests on the contact surface 16 and on a shoulder 19 formed by the flange 14. It is fixed by a press fit, which is supported by the slightly conical shape of the contact surface 16 is.
  • the lower inner edge of the support ring digs somewhat into the contact surface 16.
  • the middle part -20 of the support ring 17 is inclined downward at a very flat angle of 5 to 20 °, preferably 10 °, and is relatively wide in comparison to the conventional support rings.
  • the width dimension projecting outwards over the flange 14 is, depending on the hotplate diameter, between 12 and 20 mm or between 7 and 10% of the diameter of the hotplate body.
  • the outer edge 21 of the support ring is inclined steeply downwards, but relatively narrow.
  • the electric hotplate 11 is installed in a mounting plate 22 made of a relatively temperature-resistant glass, so-called block glass, which has an extremely low thermal expansion.
  • This built-in plate forms the upper plate of a stove or a built-in hob and has a plurality of installation openings 23 for hot plates.
  • the installation openings cut out of the flat mounting plate 22 are larger by approximately 10 to 20%, preferably 15%, than the outside diameter of the contact surface 16 (nominal diameter of the hotplate), so that there is a relatively wide gap between the ring flange 15 and the inner edge 24 of the Installation opening 23 forms. This is covered on its top by the support ring 17 and thus closed at the top.
  • the support ring 21 lies on the surface 25 of the mounting plate 22 in the region of the edge 24 of the mounting opening.
  • the built-in plate made of glass has the advantage of a very smooth, easy-to-clean and scratch-resistant surface as well as freedom from distortion under thermal and mechanical loads. which was not the case with mounting plates made of thin, stainless steel.
  • the installation opening 23 is surrounded by a sealing ring 26 which is made of a relatively temperature-resistant elastic material such as rubber or plastic, for example SHicon rubber. consists. It has a U-shape that surrounds the edge 24 of the installation opening.
  • the upper leg 27 of the sealing ring 26 lying on the surface 25 of the mounting plate 22 has, in the non-installed state, an upwardly directed bead 28 (shown in broken lines) on which the support ring 17 rests in the region of its outer circumference, immediately adjacent to the outer edge 21 deformed it into the shape shown in the drawing.
  • the installation opening is therefore effectively sealed in this sealing area 29 against any food that may overflow.
  • the sealing ring 26 has two inwardly directed annular ribs as spacers 30, which hold an installation ring 31 at a distance from the central part of the sealing ring and thus the edge 24 of the installation opening.
  • the mounting ring 31 has an essentially L-shaped cross section and consists of very thin, stainless steel sheet with relatively low thermal conductivity. Its cylindrical shielding section 32 extends within the sealing ring 26 over the entire height of the sealing ring and thus the mounting plate 22 and shields it from radiant heat from the hotplate body 12.
  • the upper L-leg forms an outwardly directed flange 33 which covers and shields the leg 26 of the sealing ring 26.
  • the mounting ring 31 is hardly exposed to heat transfer from the electric hotplate 11 by conduction and provides good shielding against the radiant heat, for which purpose it is preferably made of bare, highly reflective sheet metal.
  • FIGS. 2 and 3 correspond identically to the embodiment according to FIG. 1. These parts provided with the same reference symbols are therefore not described again. Similar or similarly acting parts have the same reference numbers with a different letter index.
  • the sealing ring 26 is positioned by a mounting ring 31a, which has no upward end portion 34, so that its obliquely downward flange 33a is enclosed on its outer edge by the material of the sealing ring when the bead 28 of the sealing ring is compressed.
  • This embodiment can be used advantageously if the material of the sealing ring is not too sensitive to cuts and the bead shape ensures that the compressed material lies over the flange 33a in order to prevent the mounting ring 31a from moving upwards.
  • an installation ring 31b is used, the flange 33b of which ends in a downward end section 34b which runs approximately parallel to the outer edge 21 of the support ring 17. This lies on the inside of the support ring 17 within the sealing area 29, so that the sealing ring 26 seals against the flange 33b.
  • This embodiment can be advantageous if a precise dimensioning of the installation and support ring ensures that good sealing is also achieved in the sealing area 29 by metallic contact between the two rings and that the seal also seals directly on the outer edge 21 at the same time.
  • the hotplate 11c differs from that used in FIGS. 1 to 3 in that the hotplate body, instead of a projecting flange 14, diverges upwards has conical contact surface 16c, on which the equally conical inner part 18c of a support ring 17c bears.
  • the support ring 17c which is also fixed by being pressed on from below, snaps behind a projection 40.
  • the middle part 20c and the outer edge 21c of the support ring 17c are designed similarly to that in FIGS.
  • a sealing ring 26c has a circular cross section in the unloaded state and is fixed in the region of the outer circumference of the support ring 17c between the outer edge 21c and an upwardly directed end section 34c of a mounting ring 31c, the associated flange 33c of which rests on the surface 25 of the mounting plate 22.
  • the shielding section 32 also abuts the inner edge 24 of the mounting plate and engages with a lower flange around the underside of the mounting plate 22.
  • the hotplate 11c is centered in the installation opening 23 of the installation plate 22 by means of spacers 41 punched out of the material and bent inwards.
  • Figure 5 differs by the shape of the mounting ring 31d, the shielding portion 32d is S-shaped in cross section, so that it touches the inner part 18c of the support ring 17c on the one hand and through there Spot welding can be attached and on the other hand rests against the inner edge 24 of the mounting plate 22.
  • the hotplate is also centered in the installation opening in addition to the shielding.
  • This embodiment can be used if the mounting ring 31d has extremely low thermal conductivity properties, so that the heat conduction via the upper flange 33d does not play an important role.
  • the mounting ring 31e again has an L-shaped cross section. However, its shielding section 32d runs at a distance from the inner edge 24 of the mounting plate 22, and this distance is maintained by a number of features 45 made on the circumference and directed towards the edge 24.
  • the upper flange 33c with the end section 34c projecting obliquely upwards corresponds to the embodiment according to FIG. 4.
  • FIG. 7 also corresponds to the designs according to FIGS. 4 to 6 with regard to the hotplate, support ring and mounting plate, but the support ring on its conical contact surface 16f is additionally secured against "creeping up" by a small outward projection 46, which may be caused by Different thermal expansions could occur if the cone angle of the contact surface 16f is chosen to be lower. It should be avoided at all costs that the support ring 17c migrates higher than the cooking surface 13 due to such creep, because then the cooking vessels would stand on the support ring and the thermal contact with the cooking surface would be lost.
  • the mounting ring 31f is of wave-shaped or star-shaped design, so that the upper flange 33f consists of individual triangular sections, the tips of which are bent up and thus form the end sections 34f which position the sealing ring 26c.
  • the shielding section 32f is also deformed in a star or wave shape, the outer apexes in each case guiding the sealing ring 26 on the inner edge 24, while the inner apexes 47 can interact with the hotplate body 12c for positioning.
  • an air space is formed between the shielding section and the inner edge 24, which additionally contributes to the insulation.
  • the gap between the hotplate and the inner edge 24 of the mounting plate 22 is drawn relatively small, but in practice it can have the same dimensions as shown in Figures 1 to 3.
  • the support ring design and arrangement on the hotplate body according to FIGS. 4 to 7 has the advantage of an even flatter installation of the hotplate over the surface 25 of the mounting plate.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cookers (AREA)
  • Baking, Grill, Roasting (AREA)
  • Table Devices Or Equipment (AREA)
  • Resistance Heating (AREA)
  • Packages (AREA)

Claims (10)

1. Dispositif de montage de plaques électriques de cuisson (11,11e) comportant un corps de plaque de cuisson (12), une bague de support (17, 17c) constituée en tôle, entourant ce corps et faisant saillie radialement par rapport à lui, bague qui épouse par sa partie radiale intérieure (18, 18c) le corps de plaque de cuisson (12), qui recouvre l'intervalle compris entre le bord intérieur (24) d'une ouverture de montage (23) d'une plaque de montage (22) constituée en matériau vitreux ou céramique et qui s'appuie contre celle-ci dans la zone de son bord extérieur (21, 21 c), et comportant un joint d'étanchéité élastique intercalaire (26, 26c) entre la bague de support (17, 17c) et la plaque de montage (22), caractérisé par une bague de montage (31, 31a-f) qui est entièrement recouverte par la bague de support (17, 17c) d'un seul tenant et qui présente une section de blindage (32, 32c-f) de forme sensiblement annulaire, recouvrant le bord intérieur (24) de l'ouverture de montage (23) et des moyens (34, 34b, c, f) pour le positionnement du joint d'étanchéité (26, 26c) dans une position telle que sa zone active d'étanchement (29) entre la piaque de montage (22) et la bague de support (17, 17c) se trouve à proximité de la périphérie extérieure de la bague de support (17, 17c).
2. Dispositif de montage selon la revendication 1, caractérisé en ce que les dimensions radiales dans le sens de la largeur, de la partie de la bague' de support (17, 17c) faisant saillie par rapport au corps de plaque de cuisson (12) sont sensiblement et de préférence de trois à six fois supérieures à ses dimensions axiales, dans le sens de la hauteur, au-delà de son bord extérieur (21, 21 c) et en ce qu'il possède de préférence une partie centrale (20, 20c) plane et inclinée vers le bas et un bord extérieur (21, 21 c) incliné de façon plus abrupte.
3. Dispositif de montage selon la revendication 1 ou 2, caractérisé en ce que l'ouverture de montage (23) possède un diamètre supérieur de 10 à 20 %, de préférence d'environ 15 %, au diamètre du corps de plaque de cuisson (12) recevant la partie intérieure (18, 18c) de la bague de support (17, 17c).
4. Dispositif de montage selon l'une des revendications précédentes, caractérisé en ce que la bague de montage (31, 31a-f) possède une section transversale sensiblement en forme de L avec une joue (33, 33a, b, c, d, f) saillant vers l'extérieur et présentant les moyens de positionnement (34, 34b, c, f).
5. Dispositif de montage selon la revendication 4, caractérisé en ce que la joue (33, 33c, d, f) possède une section terminale (34, 34c, f) dirigée vers le haut qui renvoie contre la bague de support (17, 17c).
6. Dispositif de montage selon l'une des revendications précédentes, caractérisé en ce que la bague de montage (31, 31a, c-f) délimite, par sa périphérie extérieure, la zone d'étanchement (29) du joint d'étanchéité (26, 26c).
7. Dispositif de montage selon l'une des revendications précédentes, caractérisé en ce que la section de blindage (32, 32d-f), est maintenue, par des entretoises (30, 41, 45), à distance du bord extérieur (24) de l'ouverture de montage (23) et/ou du corps de plaque de cuisson (12).
8. Dispositif de montage selon la revendication 7, caractérisé en ce que les entretoises (41, 45) sont de préférence constituées sous forme de parties pliées ou estampées de la bague de montage (31c, 31e) prévues dans la section de blindage.
9. Dispositif de montage selon la revendication 7, caractérisé en ce que le joint d'étanchéité (26) présente une section transversale entourant l'ouverture de montage (23) et sensiblement en forme de U sur la branche supérieure (27) duquel est prévue la zone d'étanchement (29) et en ce que le joint d'étanchéité (26) présente des nervures dirigées vers l'intérieur pour constituer les entretoises (30).
10. Dispositif de montage selon l'une quelconque des revendications précédentes, caractérisé en ce que le joint d'étanchéité (26, 26c) repose à plat sur la plaque de montage (22) et la bague de support (17, 17c).
EP82101707A 1981-03-19 1982-03-05 Dispositif de montage de plaques électriques de cuisson Expired EP0061036B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US245541 1981-03-19
US06/245,541 US4829160A (en) 1977-12-14 1981-03-19 Electric cooker plate

Publications (2)

Publication Number Publication Date
EP0061036A1 EP0061036A1 (fr) 1982-09-29
EP0061036B1 true EP0061036B1 (fr) 1985-06-05

Family

ID=22927081

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82101707A Expired EP0061036B1 (fr) 1981-03-19 1982-03-05 Dispositif de montage de plaques électriques de cuisson

Country Status (7)

Country Link
EP (1) EP0061036B1 (fr)
AT (1) ATE13718T1 (fr)
AU (1) AU551031B2 (fr)
DE (1) DE3263989D1 (fr)
ES (1) ES8303872A1 (fr)
YU (1) YU41528B (fr)
ZA (1) ZA821745B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11849882B2 (en) 2015-09-02 2023-12-26 Lg Electronics Inc. Cooker with gasket

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3317624A1 (de) * 1982-08-13 1984-11-15 Fischer, Karl, 7519 Oberderdingen Einbauanordnung fuer eine elektrokochplatte
GB2194720B (en) * 1986-08-26 1989-12-20 Ego Elektro Blanc & Fischer Sealed electric hotplate
AU601696B2 (en) * 1986-08-26 1990-09-20 E.G.O. Elektro-Gerate Blanc & Fischer Sealed electric hotplate
ES2039188B1 (es) * 1992-02-24 1996-11-16 Fagor S Coop Mejoras introducidas en las placas de coccion vitroceramicas.
US7118596B2 (en) 2001-01-25 2006-10-10 Visiogen, Inc. Accommodating intraocular lens system
JP4002222B2 (ja) * 2003-08-01 2007-10-31 リンナイ株式会社 ガスコンロ
ES2330821B1 (es) * 2008-01-14 2010-09-22 Bsh Electrodomesticos España, S.A. Dispositivo de fijacion para la fijacion de un campo de coccion.
DE102012215089A1 (de) * 2012-08-24 2014-02-27 Blanco Gmbh + Co Kg Einbaugerät zum Einbau in eine Arbeitsplatte
CN113587155B (zh) * 2021-09-03 2025-10-31 浙江美大实业股份有限公司 一种可自变通用型聚热锅架

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7408149U (de) * 1975-08-14 Blanc & Co Einbauvorrichtung an einer Einbauplatte wie einer Einbauspüle
DE2407582C3 (de) * 1974-02-16 1981-02-26 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einbaukochfläche aus Glas o.dgl. mit mehreren Einzelkochstellen für Einbauküchenmöbel
CH596508A5 (en) * 1976-02-09 1978-03-15 Therma Ag Enamelled sheet metal component with stiffening member
DE7914082U1 (de) * 1979-05-16 1979-08-23 Fischer, Karl, 7519 Oberderdingen Elektrokochplatte

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11849882B2 (en) 2015-09-02 2023-12-26 Lg Electronics Inc. Cooker with gasket

Also Published As

Publication number Publication date
YU41528B (en) 1987-08-31
ZA821745B (en) 1983-01-26
DE3263989D1 (en) 1985-07-11
ATE13718T1 (de) 1985-06-15
AU8156482A (en) 1982-09-23
AU551031B2 (en) 1986-04-17
ES510562A0 (es) 1983-02-01
EP0061036A1 (fr) 1982-09-29
YU59282A (en) 1985-03-20
ES8303872A1 (es) 1983-02-01

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