EP1258685B1 - Appareil ménager, en particulier four de cuisson - Google Patents

Appareil ménager, en particulier four de cuisson Download PDF

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Publication number
EP1258685B1
EP1258685B1 EP20020006952 EP02006952A EP1258685B1 EP 1258685 B1 EP1258685 B1 EP 1258685B1 EP 20020006952 EP20020006952 EP 20020006952 EP 02006952 A EP02006952 A EP 02006952A EP 1258685 B1 EP1258685 B1 EP 1258685B1
Authority
EP
European Patent Office
Prior art keywords
carriage
spring
domestic appliance
appliance according
movement
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
EP20020006952
Other languages
German (de)
English (en)
Other versions
EP1258685A1 (fr
Inventor
Günter Jaritz
Dirk Schumann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1258685A1 publication Critical patent/EP1258685A1/fr
Application granted granted Critical
Publication of EP1258685B1 publication Critical patent/EP1258685B1/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 a household appliance according to the preamble of claim 1.
  • a recording device for a grill which is slidably provided in a grill chamber.
  • a grill pan can be pulled out of the grill chamber on the grill handle, this movement being assisted by a spring.
  • a household appliance in particular an oven, is known.
  • the oven has a baking oven muffle, the feed opening is closed by a rigid angle on sliding trains or on a baking cart attached, drawer-like sliding oven door.
  • the sliding trains are guided in sliding tracks below the oven muffle.
  • Document JP 62 11 9329 A shows an oven with a carriage, which is driven by a spring device in the extension direction. To allow the whereabouts in the closed position, a closing force is applied in the opposite direction by another spring.
  • the oven has a in the sliding track at least one sliding train arranged, the oven door against a muffle flange oppressive rederrastelnnchtung.
  • the spring locking device has a slotted guide with along the sliding track in opposite directions inclined, spring-loaded guide sections, which cooperate with attached to the sliding trains support rollers.
  • the object of the invention is to provide a generic household appliance with increased comfort with low design effort.
  • the object is achieved by the features of claim 1, while advantageous embodiments and modifications of the invention can be taken from the dependent claims.
  • the invention is based on a household appliance, in particular an oven, with a carriage and a door and a spring device.
  • the carriage driven by a force of the spring device is extendable, and the spring device acts in the retracted state of the carriage with a smaller force in the extension direction of the carriage than in an at least partially extended state of the carriage.
  • the force acting in the extension direction is reduced in the retracted state of the car by a lever mechanism, in particular by changing with the movement of the carriage lever ratios.
  • a lever mechanism With a lever mechanism, a particularly structurally simple and cost-effective mechanism can be achieved.
  • a comfortable home appliance in which the manual extension is omitted or at least supported.
  • the force may be limited to the retracted state of the car, or performed with the movement of the carriage in its retraction direction decreasing, whereby the car can be retracted particularly comfortable.
  • the reduced at least in the retracted state force in the opening direction in particular with a small closing force that can be generated by a weight of the car, a locking mechanism and / or a closing spring, a secure closing of the door can be achieved.
  • the force acting in the extension direction can be reduced stepwise or continuously with various devices that appear appropriate to a person skilled in the art, for example by means of a device which displaces a spring support of a spring generating the force in the extension direction when the vehicle retracts or the spring is released or released Spring with a corresponding spring characteristic, etc.
  • the lever mechanism has hingedly interconnected levers which essentially form a quadrangle, advantageously a rhombus, wherein a first diagonal of the quadrangle extends parallel to the extension direction and in a second, perpendicular to the extension diagonal of the Rectangular a lever tensioning tension spring is introduced. It can be avoided structurally simple with a few components relative movement at a pivot point between the lever mechanism and the car and at a pivot point between the lever mechanism and a housing part of the household appliance. In principle, however, other, the expert appear appropriate sense lever mechanism conceivable, for example, the lever mechanism may be formed by a single pivoting lever, etc.
  • the door is loaded in its closed position on the spring device with a closing force, making them particularly safe, with a high sealing effect can be closed.
  • both a force in the closing direction of the door and a force in the direction of extension of the carriage can be achieved with a spring unit, in particular with a spring. Additional components and installation space can be saved.
  • the spring device comprises at least a first, acting in the closing direction of the door and a second, acting in the extension of the carriage spring unit, the different acting forces can be achieved particularly simple design and possibly also different dimensions.
  • the closing force of the first spring unit can advantageously be made reducible via an operating unit for opening the door, so that the car can automatically extend after a reduction of the closing force, driven by the second spring unit.
  • a bistable spring unit with a corresponding actuator unit can be performed.
  • an actuator for example with an electromagnetic, electromotive, pneumatic and / or hydraulic actuator, etc. It is also possible to perform the actuator purely manually operated, for example with a Bowden cable and / or an actuating linkage, etc.
  • the door is advantageously attached to the car and mounted with this displaceable.
  • an oven baking trays can be hung directly in the door, a side, the baking trays supporting frame can be saved and it can be achieved advantageous accessibility.
  • the closing force can advantageously be transmitted to the door via the car.
  • the door can also be designed to be pivotally mounted.
  • the car can be on the door or an additional unit, such as a spring unit and / or a latch unit, etc., are kept in its retracted state.
  • the spring device acts only in a first part, advantageously up to about half of the total distance with the force in the extension direction on the carriage, can easily achieve a harmonious movement of the carriage and in particular can in the direction of extension to the end of the route automatically before a final position a reduced speed of the car can be achieved.
  • the harmonious movement of the carriage can be further improved with a brake unit which brakes the carriage in the extension before its end position over a distance. It can be achieved a particularly smooth transition of the car in its final position. In addition, with the brake unit unwanted closing or retraction of the car can be avoided.
  • the car is decoupled from at least one position in the extension direction of the spring device, whereby this can be easily removed completely without much effort, for example, to clean the car, etc.
  • the solution according to the invention can be used in various household appliances which appear suitable to the person skilled in the art, for example in dishwashers, etc., but especially in ovens whose oven door can be closed particularly securely by a corresponding spring device and comfortably opened together with a baking cart.
  • Fig. 1 shows a schematically illustrated oven in a side view with a partial section.
  • the oven has an oven muffle 10, which is open to the front of the oven and limited by a muffle flange 84. Further, the oven has a baking tray 11, to which a baking oven door 12 is fixed and designed to be displaceable with the baking tray 11. On the oven door 12 hook-shaped holding elements 31 are fixed, where food supports 32 are suspended.
  • the baking cart 11 has two horizontally extending sliding cables 33, 85 (FIGS. 1 and 3), which are rigidly connected to the oven door 12.
  • Each shift train 33, 85 immersed in a below the oven muffle 10, housing-fixed displacement track 34 and is horizontally movable therein by means of a roller guide.
  • each sliding train 33, 85 has a roller 35, while a support roller 36 is fixedly arranged on each sliding track 34.
  • the oven door 12 is loaded in its closed position via a first spring unit 18 of a spring device 13 with a closing force (FIG. 3).
  • the first spring unit 18 has in the rear, lower portion of the oven a horizontal, transverse to the direction of movement the back carriage 11 extending guide channel 37, in which a linkage 38 is guided displaceably (Fig. 1, 2 and 3).
  • a linkage 38 is guided displaceably (Fig. 1, 2 and 3).
  • a spring support 39, 40 On the linkage 38 is laterally outwardly each a spring support 39, 40 attached.
  • On the spring support 39, 40 a helical compression spring 41, 42 is supported, which acts laterally outwardly on a run in the guide channel 37 carriage 43, 44, which protrudes with one end of the guide channel 37.
  • a roller 45, 46 is rotatably mounted, which cooperates in the closed position of the oven door 12 or in the retracted state of the baking carriage 11 with a cam slide train 33, 85 integrally formed cam track 47, 48 and the baking tray 11 thereby loaded in its retraction 16 and the force acting on the oven door 12 closing force.
  • the linkage 38 is connected between the carriages 43, 44 in a recess 49 of the guide channel 37 via pivotable levers 50, 51 with an electromagnetic actuator 21 of an actuating unit 20 (FIGS. 2, 3 and 5).
  • the actuator 21 is mounted in the assembled state via a retaining plate 79 on a housing wall of the oven, not shown.
  • the baking tray 11 is loaded in the retracted state via a second spring unit 19 of the spring device 13 in its extension direction 15 with a force.
  • the second spring unit 19 is arranged in the rear, lower portion of the oven and has a lever mechanism 22 with articulated levers 23, 24, 25, 26 which form a rhombus substantially, wherein a first diagonal 27 of the rhombus is parallel to the extension direction 15 and in a second, perpendicular to the extension direction 15 extending diagonal 28 of the rhombus, a lever 23, 24, 25, 26 spanning tension spring 29 is fixed.
  • the rear levers 23, 26 are articulated on the side facing away from the baking carriage 11 on a bottom plate 53, which also forms a rear wall 54 to which the guide channel 37 of the first spring unit 18 is attached.
  • On the baking carriage 11 side facing the rear levers 23, 26 each have a T-shaped sheet metal part 55, 56 hingedly connected to the front levers 24, 25.
  • the tension spring 29 is mounted in holes 57, 58.
  • the front levers 24, 25 are articulated on their side facing the baking carriage 11 on a carriage 59, the two guide bolts 62, 63 formed by screws 60, 61 along two guide the first diagonal 27 is guided.
  • the carriage 59 is formed by a sheet metal part and is guided on a T-shaped plastic bottom plate 64 which is fixed on a metal floor 65. Instead of sheet metal, the carriage could also be made of plastic and be guided directly on a sheet metal base plate. Towing carriage 11 towards the carriage 59 has an angled portion 66 which forms a contact surface 67 for the baking tray 11.
  • an operating button 52 of the actuating unit 20 is actuated by an operator (FIG. 1).
  • the actuator 21 is activated, and a plunger 86 of the actuator 21 is electromagnetically retracted (Fig. 6).
  • the levers 50, 51 are pivoted, and the spring supports 39, 40 are displaced in the guide channel 37 in the direction of the actuator 21, whereby the helical compression springs 41, 42 are relaxed, and the closing force generated by the first spring unit 18 is reduced, so that the baking tray 11, driven by the second spring unit 19, can extend.
  • the actuator 21 is driven to save energy with a short pulse and after the baking tray 11 with its curved paths 47, 48 and after a vertex of an inwardly directed arc of the cam track 47, 48 has passed the rollers 45, 46, back to its original position , It would also be conceivable, however, that the actuating unit 20 holds the helical compression springs 41, 42 in their relaxed position until the baking carriage 11 has passed the rollers 45, 46 after entering the apexes of the curved paths 47, 48.
  • the baking tray 11 can be extended without operating the operating knob 52.
  • the carriages 43, 44 are deflected via the cam tracks 47, 48, counter to the spring force of the helical compression springs 41, 42.
  • the second spring unit 19 acts, starting from the retracted state of the baking carriage 11 only in a first part of the entire distance in the extension direction 15 on the baking tray 11, on a connected to the sliding trains 33, 85 cross member 68 of the back carriage 11 (Fig. 3).
  • the carriage 59 of the second spring unit 19 comes with the screws 60, 61 at the end of the guide grooves 62, 63 to the system (FIG. 2), and the baking carriage 11 is in the extension 15 of the second spring unit 19 and der decouples the entire spring device 13 and moves through its kinetic energy further in the extension direction 15th
  • the baking carriage 11 runs with its cross member 68 on spring-loaded brake shoes 69, 70 of a brake unit 30 and is gently braked over a defined distance (Fig. 3).
  • the brake shoes 69, 70 are formed by plastic shells which are hooked at a front end with a molded hook 71 in a projection 72 of a lower, attached to the bottom plate 65 plastic tray 73 (Fig. 4).
  • the brake shoes 69, 70 are latched via a latching connection 74, 75 to the lower plastic shells 73 and are pivotally mounted on the latching connection 74, 75.
  • a helical compression spring 76 is arranged, via which the brake shoes 69, 70 are spring-loaded upwards in the direction of the backing carriage 11.
  • the baking tray 11 can be easily inserted, and the oven muffle 10 can be safely closed with the oven door 12 via the spring unit 18 with a small closing force.
  • the baking tray 11 comes at the end of its path in the retraction direction 16 with its cam tracks 47, 48 with the rollers 45, 46 of the first spring unit 18 in abutment, and the carriage 43, 44 of the first spring unit 18 are in the guide channel 37 against the spring force of the helical compression springs 41, 42 inserted, namely, until, viewed from the rollers 45, 46 from a slope 80, 81 of the cam tracks 47, 48 is overcome, the rollers 45, 46 on a slope 82, 83 of the cam tracks 47, 48 come to rest and the helical compression springs 41, 42 via the carriages 43, 44, the rollers 45, 46 and on the slope 82, 83 of the cam tracks 47, 48 generate a closing force.
  • the spring device 13 and the spring units 18, 19 and the brake unit 30 are designed as an assembly that can be mounted as a unit in the oven and disassembled.
  • FIGS. 7 and 8 schematically show an alternative spring device 14 with a bistable spring unit 17.
  • Substantially identical components are basically numbered with the same reference numerals.
  • the spring unit 17 has a lever mechanism 22 with hingedly interconnected levers 23, 24, 25, 26, which form a rhombus substantially, wherein a first diagonal 27 of the rhombus extends parallel to the extension direction 15 and in a second, perpendicular to the extension 15 extending diagonals 28 of the rhombus, a lever 23, 24, 25, 26 spanning tension spring 29 is attached.
  • the spring unit 17 In contrast to the second spring unit 19, the spring unit 17 generates in addition to a force in the extension direction 15 on a baking tray 11 also has a closing force.
  • the spring unit 17 is connected to a front bearing in the extended state of the baking carriage 11 bearing 77 fixed to the baking carriage 11, wherein in the retracted state of the baking carriage 11, the bearing 77 is moved behind a bearing 78 via which the lever mechanism 22 attached to a housing part of the oven is, so that the tension spring 29 acts on the baking carriage 11 via the lever mechanism 22 in the retraction direction 16 and generates a closing force.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drawers Of Furniture (AREA)
  • Baking, Grill, Roasting (AREA)

Claims (11)

  1. Appareil ménager, en particulier four de cuisson, comprenant un chariot (11) et une porte (12) ainsi qu'un dispositif à ressort (13, 14), lequel chariot (11) peut sortir, entraîné par une force du dispositif à ressort (13, 14), qui, en l'état rentré du chariot, agit sur le chariot (11) avec une force plus petite dans le sens de sortie (15) qu'en l'état au moins partiellement sorti du chariot (11), caractérisé en ce que la force agissant dans le sens de sortie (15) est réduite par un mécanisme à levier (22) en l'état rentré du chariot (11).
  2. Appareil ménager selon la revendication 1, caractérisé en ce que le mécanisme. à levier (22) présente des leviers (23, 24, 25, 26) reliés entre eux de façon articulée, qui forment principalement un quadrilatère, une première diagonale (27) du quadrilatère étant parallèle à la direction de sortie (15) et un ressort de traction (29) tendant les leviers (23, 24, 25, 26) étant introduit dans une seconde diagonale (28) du quadrilatère disposée perpendiculairement à la direction de sortie (15).
  3. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce que la porte (12) est chargée dans sa position de fermeture avec une force de fermeture au moyen du dispositif à ressort (13, 14).
  4. Appareil ménager selon la revendication 3, caractérisé en ce que le dispositif à ressort (14) présente au moins une unité de ressort (17) bistable.
  5. Appareil ménager selon la revendication 3 ou 4, caractérisé en ce que le dispositif à ressort (13) présente au moins une première unité à ressort (19) agissant dans le sens de fermeture (16) de la porte (12) et une seconde unité de ressort (19) agissant dans le sens de sortie (15) du chariot (11).
  6. Appareil ménager selon la revendication 5, caractérisé en ce que la force de fermeture de la première unité de ressort (18) peut être au moins réduite au moyen d'une unité d'actionnement (20) pour l'ouverture de la porte (12).
  7. Appareil ménager selon la revendication 7, caractérisé en ce que l'unité d'actionnement (20) présente un actionneur (21).
  8. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce que la porte (12) est fixée sur le chariot (11) et est logée de façon à pouvoir coulisser avec ce chariot.
  9. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif à ressort (13) agit à partir de l'état rentré du chariot (11) uniquement dans une première partie de l'ensemble du tronçon de déplacement avec la force dans le sens de sortie (15) sur le chariot (11).
  10. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce que le chariot (11) est freiné dans le sens de sortie (15) avant sa position finale avec une unité de freinage (30) sur un tronçon de déplacement.
  11. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce que le chariot (11) est découplé du dispositif à ressort (13, 14) à partir d'au moins une position dans le sens de sortie (15).
EP20020006952 2001-05-18 2002-03-26 Appareil ménager, en particulier four de cuisson Expired - Lifetime EP1258685B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10124458 2001-05-18
DE2001124458 DE10124458A1 (de) 2001-05-18 2001-05-18 Haushaltsgerät, insbesondere Backofen

Publications (2)

Publication Number Publication Date
EP1258685A1 EP1258685A1 (fr) 2002-11-20
EP1258685B1 true EP1258685B1 (fr) 2006-12-27

Family

ID=7685408

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020006952 Expired - Lifetime EP1258685B1 (fr) 2001-05-18 2002-03-26 Appareil ménager, en particulier four de cuisson

Country Status (3)

Country Link
EP (1) EP1258685B1 (fr)
DE (2) DE10124458A1 (fr)
ES (1) ES2278826T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10203957A1 (de) * 2002-02-01 2003-08-14 Bsh Bosch Siemens Hausgeraete Haushaltsgerät, insbesondere Backofen
FR2864208B3 (fr) * 2003-12-17 2006-02-10 Seb Sa Four electromenager avec support coulissant pour les aliments
FR2864207B1 (fr) * 2003-12-17 2006-01-27 Seb Sa Four electromenager avec support coulissant pour les aliments
EP2026013A1 (fr) 2007-08-17 2009-02-18 Electrolux Home Products Corporation N.V. Appareil domestique comportant un chariot de porte détachable et mécanisme d'aide à la traction
DE202017100609U1 (de) * 2017-02-06 2018-05-16 Grass Gmbh Vorrichtung zur Anbringung eines Trägerelements für Gegenstände in einem Korpus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2268481A (en) * 1941-06-25 1941-12-30 Christopher L Hardwick Broiler rack operating mechanism
DE2036827A1 (de) * 1970-07-24 1972-01-27 Siemens Elektrogeraete Gmbh Back- und Bratrohr
JPS62119629A (ja) * 1985-11-20 1987-05-30 Fujitsu Ltd コ−ド変換方式
DE4023949A1 (de) * 1990-02-21 1991-08-22 Bosch Siemens Hausgeraete Backofen
JP3729473B2 (ja) * 1996-11-13 2005-12-21 パロマ工業株式会社 加熱調理器のグリル

Also Published As

Publication number Publication date
DE10124458A1 (de) 2002-11-21
DE50209047D1 (de) 2007-02-08
ES2278826T3 (es) 2007-08-16
EP1258685A1 (fr) 2002-11-20

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