EP0521251B1 - Four - Google Patents

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Publication number
EP0521251B1
EP0521251B1 EP92106367A EP92106367A EP0521251B1 EP 0521251 B1 EP0521251 B1 EP 0521251B1 EP 92106367 A EP92106367 A EP 92106367A EP 92106367 A EP92106367 A EP 92106367A EP 0521251 B1 EP0521251 B1 EP 0521251B1
Authority
EP
European Patent Office
Prior art keywords
baking
drive
coupling
carriage
drive train
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP92106367A
Other languages
German (de)
English (en)
Other versions
EP0521251A1 (fr
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
Publication of EP0521251A1 publication Critical patent/EP0521251A1/fr
Application granted granted Critical
Publication of EP0521251B1 publication Critical patent/EP0521251B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/16—Shelves, racks or trays inside ovens; Supports therefor
    • F24C15/162—Co-operating with a door, e.g. operated by the door

Definitions

  • the invention relates to an oven according to the preamble of claim 1.
  • a baking trolley carrying oven inserts is mounted in the oven housing so as to be longitudinally displaceable by means of rollers and tracks.
  • a motor-driven crank mechanism of which a part designed as a transport lever for the baking cart is coupled directly to a vertical longitudinal guide of the baking cart, the baking cart can be moved out and in of the oven housing.
  • the design of the crank mechanism results in a starting speed of the baking vehicle from both extreme positions that is lower than the driving speed of the baking vehicle in the middle of the displacement path. Manual shifting of the baking cart is no longer possible.
  • the invention has for its object to improve an oven according to the preamble of claim 1 so that on the one hand the advantages of a motor drive Baking trolley can be used, but on the other hand, a manual shift is possible at any time.
  • the coupling connection can be released in different ways, e.g. characterized in that the clutch frictional force is overcome in a friction or slip clutch by manually moving the baking cart, or, when using a toothed gear, the detent clutch is at least temporarily canceled in the sense of a spring-pawl connection.
  • FIGS. 1 and 2 show an oven, which is only indicated schematically, with an oven muffle 1 and an oven housing 2 surrounding it.
  • the loading opening 3 of the oven muffle 1 is surrounded by a flange 4 with a seal 5, which loading opening 3 can be closed by an oven door 6, which is angularly rigid is mounted on sliding cables 7 and can be moved longitudinally with these sliding cables on rollers 8 and 9 from the closed position according to FIGS. 3 and 4 into the open position according to FIGS. 1 and 2 along a horizontal sliding path.
  • a pair of rollers 8 is rotatably mounted on the oven housing 2 and a pair of rollers 9 on the sliding cables 7. As can be seen from FIG.
  • the drive train 10 is shown together with the associated drive element as a detail.
  • the drive train is movably mounted on the baking trolley, not shown, in elongated hole guides 13 and bogie-side pins 14 on the baking trolley and is supported by the force of springs 15 via rollers 16 on the end face of a friction wheel 19, which friction wheel is within an annular groove let into the end face 17 Has worm teeth 18.
  • this worm gear 18 meshes the friction wheel 19 with the worm thread 20 of the threaded spindle 12, which in turn is connected to the electric drive motor M, for example, via bevel gears.
  • a friction clutch is created between the baking trolley or drive train 10 and the drive element 12/19, which can be overcome by manually moving the baking trolley 6/7.
  • FIGS. 7 and 8 show two exemplary embodiments of slip clutches.
  • a friction spring 25 is arranged between a bevel gear drive with bevel gears 21 and bevel gear 22 with friction disk 23 and an output gear 24, while in Fig. 8 a drive-side worm gear 26 is connected via a friction spring 25 to a drive gear 27 with spur gearing.
  • the drive train 10a has a spur toothing which is in meshing connection with the driven gear 27, which is also provided with a spur toothing.
  • the worm wheel 26 in turn meshes with a worm thread 29 of the threaded spindle 12.
  • the threaded spindle 12 extends to the rear wall of the oven housing 2 and is there connected to the drive motor M via a bevel gear.
  • the vertical oven door 6, On the front of the oven is the vertical oven door 6, which is connected to the sliding cables 7.
  • the threaded spindle 12 is in turn mounted on several bearing points 30 on the housing side.
  • a threaded spindle 12 is again provided with a worm thread section 29, which drives the drive wheel 27 via a worm wheel 26 with or without a slip clutch.
  • the latter meshes with a drive train 10a with continuous spur toothing 31.
  • cam tracks 32 On the side of the drive train 10a opposite the spur toothing 31 there are cam tracks 32 in the area of both ends over the length 11, which in connection with electrical switches 33, for example so-called microswitches, are a control device for the movement of the baking cart 6/7 with different driving speeds.
  • the switch 33 is located in the supply circuit of the electric drive motor M and, in addition to a return conductor a, has two current branches b and c, the current branch b being provided with a reducing resistor d.
  • the switch plunger 34 of the switch 33 is in the actuated position on the front cam track 32, whereby the current branch b is switched on with the reducing resistor d.
  • the drive motor M After actuation of the main switch e for the electric drive motor M, the drive motor M starts up at a reduced speed as a result of the reducing resistor d.
  • the baking trolley 6/7 moves with slow, smooth driving speed in the direction of the arrow.
  • a threaded spindle with a continuous worm thread has a plurality of thread areas of different thread pitch, namely the thread areas 12, 13 and 14, a thread pitch of approximately 3 mm being provided within the thread areas 12 and 14, while a thread pitch is provided in the thread area 13 of about 10 mm is provided, or the thread pitch increases in the middle of the region 13 and a thread pitch of 10 mm increases.
  • a coupling block 35 is fastened (see also FIG.
  • the threaded spindle 12a is arranged in the region of the sliding cables 7, for example between these sliding cables, in FIG. 12a the threaded spindle extends into the oven door 6 and is supported there at a bearing point 30.
  • the locking coupling in turn consists of a resiliently mounted in a coupling block 35 coupling pin 38, which has a triangular shape with the included angle f and in this way facilitates the radial lifting off the thread flanks of the threaded spindle 12a.
  • 13, 14 and 15 denotes an abutment which is connected to the coupling block 35 and serves to support the threaded spindle 12a.
  • a coupling rod 40 made of spring material is provided for the coupling engagement between threaded spindle 12a and baking trolley 6/7, which is firmly clamped on an upper coupling block 35a, which in turn forms a cam track 32 if necessary, and in a lower, is also loosely guided with the baking carriage movable abutment 41.
  • the coupling connection between the motor drive and the baking trolley being temporarily deactivated by the coupling rod 40 lifting off the threaded spindle 12a.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission Devices (AREA)
  • Baking, Grill, Roasting (AREA)

Claims (7)

  1. Four comprenant un chariot de cuisson qui porte un support de cuisson et qui est monté avec une possibilité de déplacement longitudinal sur des coulisses de déplacement et sur des galets de roulement dans l'enceinte du four et qui peut être sorti de celle-ci à la manière d'un tiroir, un dispositif d'entraînement motorisé étant prévu pour déplacer le chariot de cuisson, caractérisé en ce qu'un élément d'entraînement du dispositif d'entraînement motorisé (M) est accouplé à une coulisse d'entraînement (10) du chariot de cuisson (6/7) et, dans n'importe quelle position de déplacement du chariot de cuisson, l'effet d'accouplement peut être supprimé et le chariot de cuisson peut être déplacé manuellement indépendamment du dispositif d'entraînement motorisé (M).
  2. Four selon la revendication 1, caractérisé en ce que l'élément d'entraînement prévu est un mécanisme qui est accouplé, d'une part, à un moteur d'entraînement (M) de préférence réversible et, d'autre part, à la coulisse d'entraînement (10) du chariot de cuisson (6/7), et en ce que des commutateurs de fin de course ou d'inversion de marche sont implantés au moins dans la zone des points d'arrêt extrêmes du chariot de cuisson pour couper ou inverser automatiquement la marche du moteur d'entraînement.
  3. Four selon la revendication 2, caractérisé en ce que la liaison d'accouplement prévue entre le mécanisme et la coulisse d'entraînement (10) est constituée par un accouplement à friction.
  4. Four selon la revendication 2, caractérisé en ce que la liaison d'accouplement prévue entre une broche filetée (12), qui s'étend le long des coulisses de déplacement, et la coulisse d'entraînement (10) est conçue sous la forme d'un accouplement à engagement, de préférence au moyen d'une tige d'accouplement (37 ; 38) ou d'une barre d'accouplement (40) qui s'engage entre les flancs des filets de la broche filetée et qui peut en être dégagée radialement.
  5. Four selon l'une des revendications précédentes, caractérisé en ce qu'il est prévu un dispositif de commande qui est en liaison active avec l'élément d'entraînement et/ou la coulisse d'entraînement et qui permet d'inverser le sens de la marche à différentes vitesses de déplacement du chariot de cuisson, le dispositif de commande étant constitué par une broche filetée (12a) qui s'étend le long des coulisses de déplacement (10) et qui, à cet effet, comporte des zones de filetage (12, 13, 14) qui se suivent axialement et qui possèdent des pas de filetage différents.
  6. Four selon l'une des revendications 1 à 4, caractérisé en ce qu'il est prévu un dispositif de commande qui est en liaison active avec l'élément d'entraînement et/ou la coulisse d'entraînement et qui permet d'inverser le sens de la marche à différentes vitesses de déplacement du chariot de cuisson, le dispositif de commande étant constitué par au moins un contacteur électrique (33) qui est implanté sur le circuit d'alimentation du moteur d'entraînement électrique (M), qui est disposé sur le trajet de déplacement du chariot de cuisson (6/7) et qui est actionné par des cames de contact ou des pistes de cames (32) disposées sur la coulisse d'entraînement (10a, 10b), de préférence dans la zone de leurs extrémités.
  7. Four selon la revendication 3, caractérisé en ce que l'élément de transmission du mécanisme est une roue dentée, de préférence une roue de friction à denture hélicoïdale comportant une surface de friction (face frontale 17) par laquelle elle est en liaison d'accouplement avec la coulisse d'entraînement (10) montée librement sur le chariot de cuisson (6/7) et appliquée de manière élastique contre la roue de friction.
EP92106367A 1991-07-03 1992-04-13 Four Expired - Lifetime EP0521251B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4122041A DE4122041C2 (de) 1991-07-03 1991-07-03 Backofen
DE4122041 1991-07-03

Publications (2)

Publication Number Publication Date
EP0521251A1 EP0521251A1 (fr) 1993-01-07
EP0521251B1 true EP0521251B1 (fr) 1995-09-13

Family

ID=6435358

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92106367A Expired - Lifetime EP0521251B1 (fr) 1991-07-03 1992-04-13 Four

Country Status (3)

Country Link
EP (1) EP0521251B1 (fr)
DE (2) DE4122041C2 (fr)
ES (1) ES2078574T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104019614A (zh) * 2014-05-30 2014-09-03 青岛海尔电冰箱有限公司 密封容器及冰箱
US11781757B2 (en) 2021-05-05 2023-10-10 Whirlpool Corporation Automatic rack system for a cooking appliance
EP4257883A1 (fr) 2022-04-04 2023-10-11 Miele & Cie. KG Appareil ménager, système comprenant au moins deux appareils ménagers et procédé de fonctionnement d'un appareil ménager

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5534679A (en) * 1994-05-20 1996-07-09 Quadlux, Inc. Apparatus for automated food handling
DE29615989U1 (de) * 1996-09-14 1997-06-19 Seppelfricke Haus- und Küchentechnik GmbH, 45881 Gelsenkirchen Backofen mit einem aus dem Backofengehäuse aus- und einfahrbaren Backwagen
DE10117023A1 (de) 2001-04-05 2002-10-10 Bsh Bosch Siemens Hausgeraete Gargerät
DE10130609A1 (de) * 2001-06-26 2003-01-30 Bsh Bosch Siemens Hausgeraete Haushaltsgerät, insbesondere Backofen
DE10162924A1 (de) * 2001-12-20 2003-07-03 Bsh Bosch Siemens Hausgeraete Auszugssystem eines Haushaltsgeräts, insbesondere eines Gargeräts
DE10228140A1 (de) * 2002-06-24 2004-01-15 BSH Bosch und Siemens Hausgeräte GmbH Gargerät
FR2843793B1 (fr) * 2002-08-26 2005-04-29 Michel Terny Motorisation electrique de la translation des grilles des fours de cuisson domestiques
DE10241683A1 (de) * 2002-09-09 2004-03-18 BSH Bosch und Siemens Hausgeräte GmbH Schienen- und Teleskopauszug
US7244916B2 (en) * 2004-01-14 2007-07-17 Sharp Kabushiki Kaisha Microwave heating and cooking apparatus including drawer body
CN100381759C (zh) * 2005-06-09 2008-04-16 美的集团有限公司 一种食物支承架的进出控制装置
CN100353120C (zh) * 2005-06-09 2007-12-05 美的集团有限公司 食物支承架的进出控制装置
CN100510547C (zh) * 2005-07-21 2009-07-08 美的集团有限公司 一种食物支承架的进出装置
DE102005038883A1 (de) * 2005-08-17 2007-02-22 BSH Bosch und Siemens Hausgeräte GmbH Gargerät
AU2006317793B2 (en) * 2005-11-24 2010-12-02 Fisher & Paykel Appliances Limited Improvements relating to ovens
DE102006004381A1 (de) * 2006-01-31 2007-08-02 BSH Bosch und Siemens Hausgeräte GmbH Gargerät, insbesondere Hocheinbau-Gargerät, und Verfahren zum Steuern eines Gargeräts
DE102006004376A1 (de) * 2006-01-31 2007-08-16 BSH Bosch und Siemens Hausgeräte GmbH Pyrolysegerät
EP3967933A1 (fr) 2020-09-10 2022-03-16 Electrolux Appliances Aktiebolag Appareil, en particulier appareil de cuisson
BE1031030B1 (de) * 2022-11-09 2024-06-10 Miele & Cie Antriebsvorrichtung für einen Auszug eines Gargeräts mit einem Garraum und Gargerät

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3059634A (en) * 1960-01-20 1962-10-23 Susan B Brinkman Power operated oven rack
DE2924145A1 (de) * 1979-06-15 1980-12-18 Seppelfricke Geb Gmbh Haushalts-backofen mit einem ausfahrbaren backwagen
EP0147815B1 (fr) * 1984-01-05 1990-02-07 Elektra Bregenz Aktiengesellschaft Appareil de ménage p.ex. pour la cuisine
DE3813509A1 (de) * 1988-04-22 1989-11-02 Licentia Gmbh Schubsystem, insbesondere fuer backoefen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104019614A (zh) * 2014-05-30 2014-09-03 青岛海尔电冰箱有限公司 密封容器及冰箱
US11781757B2 (en) 2021-05-05 2023-10-10 Whirlpool Corporation Automatic rack system for a cooking appliance
EP4257883A1 (fr) 2022-04-04 2023-10-11 Miele & Cie. KG Appareil ménager, système comprenant au moins deux appareils ménagers et procédé de fonctionnement d'un appareil ménager
BE1030420B1 (de) * 2022-04-04 2023-10-30 Miele & Cie Haushaltsgerät, System mit mindestens zwei Haushaltsgeräten und Verfahren zum Betrieb eines Haushaltsgeräts

Also Published As

Publication number Publication date
ES2078574T3 (es) 1995-12-16
DE4122041C2 (de) 1994-03-03
DE59203645D1 (de) 1995-10-19
DE4122041A1 (de) 1993-01-14
EP0521251A1 (fr) 1993-01-07

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