WO2019179694A1 - Appareil de cuisson - Google Patents

Appareil de cuisson Download PDF

Info

Publication number
WO2019179694A1
WO2019179694A1 PCT/EP2019/053045 EP2019053045W WO2019179694A1 WO 2019179694 A1 WO2019179694 A1 WO 2019179694A1 EP 2019053045 W EP2019053045 W EP 2019053045W WO 2019179694 A1 WO2019179694 A1 WO 2019179694A1
Authority
WO
WIPO (PCT)
Prior art keywords
door
cooking appliance
housing
cavity
lever
Prior art date
Application number
PCT/EP2019/053045
Other languages
English (en)
Inventor
Branko Ivanovic
Dietmar Hildner
Original Assignee
Electrolux Group Patents - Ab Electrolux
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 Electrolux Group Patents - Ab Electrolux filed Critical Electrolux Group Patents - Ab Electrolux
Publication of WO2019179694A1 publication Critical patent/WO2019179694A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/023—Mounting of doors, e.g. hinges, counterbalancing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/06—Hinges with pins with two or more pins
    • E05D3/14—Hinges with pins with two or more pins with four parallel pins and two arms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/1041—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis
    • E05F1/105—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a compression spring
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/627—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by flexible elongated pulling elements, e.g. belts, chains or cables
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/308—Application of doors, windows, wings or fittings thereof for domestic appliances for ovens

Definitions

  • the present invention relates to cooking appliances and, more specifically, to cooking appliances having a housing which de fines a food preparation cavity, heating means for heating the cavity, and a door for selectively closing and opening the cav ity.
  • Cooking appliances having a heatable cavity such as electric heating ovens, steam ovens, convection ovens, gas ovens, micro- wave ovens, combination ovens or heating cabinets typically have a door that is pivotable about a horizontal axis.
  • the above object is solved in that the cooking appliance further comprises a horizontally mov able linkage system connected to the housing and the door, wherein the linkage system is configured to move the door be tween a closed position in which the door bears against the front side of the housing to close the oven cavity, via an in termediate position in which the door is lifted off from the front side of the housing, and an open position in which the door is positioned laterally aside the oven cavity, wherein dur ing the entire path of movement the door is held in a vertical orientation .
  • a linkage system by means of which the door can be displaced to an open position in which the door is located aside the cavity where it does not interfere with the user of the cooking appliance, who when placing food items into the cavity or when removing food items from the cavity is standing in front of the cooking appliance. Furthermore, since the door when mov ing between the closed position and the open position does not perform a rotating movement but instead is kept during the en tire path of movement in a vertical orientation, wherein for an opening movement the door first is lifted off from the front side of the housing and then is shifted sideways towards the open position, only little space is required for the movement of the door.
  • the door in the open position can be positioned in a plane that is located offset to, and in front of, the plane in which the door is positioned when in the closed position.
  • the plane in which the door is positioned when in the open position can extend substantially parallel to the plane in which the door is positioned when in the closed position.
  • cooking appliances as described herein often are installed aside further devices or items of kitchen furni ture, such as a cabinet for installing another kitchen devices, such as a refrigerator, a cupboard or the like, in the open po sition in which the door is located sideways from the oven cav ity where it may be placed in front of a neighboring kitchen el ement, the door is held at a distance from such neighboring ele ments.
  • the door is opened during or after a heating operation, in which case the inner side of the door may have been heated to a considerable tempera ture, heat radiating from the door thus can be dissipated in the free space thus maintained between the opened door and a neigh boring device or piece of furniture.
  • the installed devices and pieces of fur niture are mounted such that the fronts thereof are located in a common plane. While thus the front of a neighboring kitchen ele ment typically will be located in the same plane as the door of the oven when in the closed position, the offset between the plane in which the oven door is positioned when in the open po sition and the plane in which the oven door is positioned when in the closed position advantageously has a value of between 40 mm and 80 mm plus the thickness of the door.
  • the distance between the inner side of the door when the door is positioned in the open position, and the plane in which the exterior side of the door is positioned when the door is in the closed position is at least 40 mm, and preferably is at least 50 mm.
  • the horizontally movable linkage system comprises a first linkage assembly that is located above the cavity, and a second linkage assembly that is located below the cavity, which allows for a stable and reliable guiding of the door along its path of movement. While also different linkage assemblies could be used as the first and second linkage assem blies, the manufacturing can be facilitated when the second linkage assembly corresponds to the first linkage assembly.
  • the linkage system may comprise at least one double lever system comprising a first and a second lever pivotally linked to the housing and the door, wherein at least one of the first and the second lever can be configured as a curved lever.
  • Providing for at least one curved lever provides more freedom in the selection of the pivot points, because by providing for a curved portion interference of the levers can be avoided also when the levers are hinged to pivot points that are located close to each other.
  • a curved portion particularly towards the end of the lever that is attached to the door facilitates implementing a configuration in which the door does not overlap the oven cavity, because by means of the curved portion which advantageously is provided at a position which in the open posi tion of the door is in the vicinity of the front edge of the housing, the door can be positioned at a position that is lo cated further sideways as if straight levers were employed.
  • the linkage system may comprise at least one lever assembly having a lever, one end of which is pivotally linked to a fixed pivot point at one of the housing and the door, and the other end of which is pivot ally linked to a carriage which is guided in a rail provided at the other of the housing and the door.
  • the linkage system comprises at least one lever assembly having a pair of levers, preferably curved levers, each lever having a first end which is pivotally linked to a fixed pivot point at the door, and a second end which is pivotally linked to a fixed pivot point at the housing.
  • the at least one lever assembly can have a first and a second lever the first ends of which are pivotally linked to fixed pivot points at the door, and the second ends of which are piv otally linked to fixed pivot points at the housing, wherein the pivot points at the door are located aside each other, and wherein the pivot points at the housing are located behind each other, i.e. aligned to a side wall of the housing, or laterally offset behind each other.
  • the two levers can be positioned substantially in the same horizontal plane which re quires the least vertical space for accommodation of the lever assemblies .
  • the cooking appliance further can comprise a motor for displac ing the lever assembly, so as to conveniently open and close the door by manually activating a button, for example a sensor pro vided at the door face, or for automatically activating the door by the program control of the cooking appliance.
  • a motor for displac ing the lever assembly so as to conveniently open and close the door by manually activating a button, for example a sensor pro vided at the door face, or for automatically activating the door by the program control of the cooking appliance.
  • the motor can be coupled to the lever assembly via a drive element, such as a cable, in particular a Bowden cable, a chain or a pulling wire.
  • a drive element such as a cable, in particular a Bowden cable, a chain or a pulling wire.
  • the cooking appliance further can comprise sealing means between the door and the housing, the sealing means extending about the circumference of the cavity so as to seal the cavity when the door is in the closed position.
  • the first linkage assembly is located above the sealing means and the second linkage assembly is located below the sealing means, so that the linkage assemblies do not interfere with the sealing means.
  • the cooking appliance further comprises a cou pling for releasably attaching the door to the movable linkage system.
  • the coupling can comprise a first coupling element which comprises the pivot points at which the first ends of the levers are pivotally linked, wherein the door comprises a second cou pling element, for example a snap-in connection, which can be releasably coupled with the first coupling element to mount the door at the linkage system.
  • the door can be eas ily removed, for example for cleaning purposes, and also can be easily reinstalled, preferably without any tools being required.
  • Fig. 1 is a top elevational view of the oven with the door in the closed position
  • Fig. 2 is a view similar Fig. 1 with the door shown in an inter mediate position;
  • Fig. 3 is a view similar Figs. 1 and 2 with the door shown in the fully opened position;
  • Fig. 4 illustrates an embodiment of a detachable door when in the disassembled state
  • Fig. 5 illustrates the detachable door of Fig. 4 when in the asmicd state
  • Fig. 6 is a side elevational view of the oven shown in Fig. 1;
  • Fig. 7 illustrates a linkage housing of the oven shown in Fig.
  • Fig. 1 shows the upper part of an oven 10 when viewed from above.
  • the oven comprises a housing 11 in which there is pro vided an oven cavity 12 which can be heated in any conventional manner, such as by radiative heating elements, by hot air or steam that is introduced into the oven cavity, by gas, by micro- wave heating, or any combination thereof.
  • a door 14 At the front side of the oven there is provided a door 14 which abuts against the front side 15 of the housing so as to close cavity 12.
  • a sealing 16 is arranged between the door and the front side 15 of the housing. While in the embodiment shown in the figures, see particularly Figs. 2 and 3, the sealing 16 is attached to the front side 15 of the housing 11, in the alternative the sealing 16 could be fixed at the door 14.
  • the door 14 comprises a frame 18 at which there is connected a glass pane 20 which in the closed position of the door allows a free view into the cavity 12 through the central region of the door.
  • a han dle 22 At the front side of the door 14 there is installed a han dle 22 to manually operate the door.
  • a linkage system which comprises two double lever link age assemblies, one of which, as is illustrated in Figs. 1 to 3, is located above the cavity, and a second one of which is lo cated below the cavity (see Fig. 6) .
  • Linkage assembly 24 com prises a first lever 26 and a second lever 28.
  • levers 26 and 28 are attached at pivot points 30 and 32 to the door 14.
  • pivot point 30 of lever 26 is pro vided at the frame 18 at a position close to one of the lateral edges of the door 14, which in the embodiment shown in the draw ings is the right edge.
  • Pivot point 32 of lever 28 is provided at the frame 18 to the left of pivot point 30.
  • levers 26 and 28 are attached at pivot points 34 and 36 that are fixed with respect to the housing 11 and which are positioned in a rear portion of the housing in the vicinity of the left wall of housing 11.
  • the door 14 when rotating the levers 26 and 28 the door 14, starting from the closed position shown in Fig. 1 in which the door 14 bears against the front side 15 of the housing 11 in which it closes the oven cavity 12, the door is lifted off from the front side 15 of the housing 11 and is moved laterally (in the figures to the left) via an intermediate posi tion shown in Fig. 2 into an open position shown in Fig. 3 in which the door 14 is positioned laterally aside the oven cavity 12. While as illustrated in Fig.
  • the door 14 during its travel between the closed and open positions may attain an ori entation in which the door is positioned at an angle to the front side of the oven, in the closed position the door advanta geously is positioned in parallel to the front side of the oven, so as not to interfere with a user who is standing or moving in front of the oven. Irrespective of whether the door during its travel between the closed and open positions is held substan tially parallel to the front side of the oven, or attains an orientation in which it is positioned at an angle to the front side of the oven, during the entire path of movement the door is held in a vertical orientation.
  • a mo tor 38 for actuating the linkage assembly 24.
  • motor 38 could be directly coupled to linkage assembly 24, in the embodi ment shown in the drawings, motor 38 is connected to the linkage assembly 24 via a drive element 40 which is implemented as a ca ble that connects to an eye 42 provided in an extension of the second lever 28 which is located opposite lever 28 beyond pivot point 36, wherein the extension in which eye 42 is provided thus forms a short lever arm of lever 28.
  • lever 26 When the motor 38 provides a pulling force to drive element 40, lever 26 thus is pivoted in the clockwise direction about pivot point 36 to lift off the door 14 and move it towards the left as it is depicted in Fig ures 2 and 3. During such movement the angular orientation of the door is controlled by lever 26, which similarly as lever 28 has an extension that forms a short lever arm beyond the pivot point 34 which comprises an eye 44.
  • a compression spring 46 acts on eye 44 of lever 26 to bias the door 14 towards the closed po sition.
  • the configuration of the spring 46, motor 38 and drive element 40 could be designed so that the spring 46 is a tensioning spring which biases the door 14 to wards the open position, wherein either the drive element 40 provides for a pushing force, such as by the use of a Bowden ca ble, or the motor 38 is arranged towards the front side of the oven 10 so as to provide for a pulling force onto drive element 40 towards the front side of oven 10.
  • Figures 4 and 5 illustrate an embodiment in which the pivot points for levers 26 and 28 are provided on a first coupling el ement 48 which cooperates with a second coupling element 50 that is provided at the door.
  • first coupling element 48 can be configured as a plug-in con nector configured for insertion into a second coupling element 50 that forms a receptacle for the plug-in connector 48, wherein the plug-in connector 48 can be arrested within receptacle 50 by means of a catch 52 which in the assembled position of the door 14 is released into a recess 54 provided in the second coupling element 50.
  • Fig. 6 illustrates the oven shown in Fig. 1 in a side eleva- tional view.
  • the oven 10 comprises a first link age assembly 24 positioned adjacent the top wall 56 of housing 11 and a second linkage assembly 58 positioned adjacent the bot tom wall 60 of housing 11.
  • Both the first linkage assembly 24 and the second linkage assembly 58 comprise a first lever 26 and a second lever 28 which are movable in horizontal planes that are arranged close to each other.
  • the first and second linkage assemblies advantageously are identical assemblies, which thus both comprise a linkage housing 62 in which the first and second levers 26 and 28 are mounted .
  • the linkage housing 62 carries a first shaft 64 which acts as pivot point 34 for the first lever 26, a second shaft 66 which acts as pivot point 36 for the second lever 28, and a third shaft 68 which holds one end of spring 46, the other end of which is attached to eye 44 of the first lever 26.
  • a motor 38 which acts on a drive element 40 which in turn is connected to a bar 70 that is connected to the eye 42 of the second lever 28 of both the first and second linkage assem blies 24 and 58.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Ovens (AREA)

Abstract

L'invention concerne un appareil de cuisson (10) qui comprend un boîtier (11) qui définit une cavité de préparation d'aliment (12), un moyen de chauffage pour chauffer la cavité (12), et une porte (14) pour fermer et ouvrir sélectivement la cavité (12). L'appareil de cuisson (10) est caractérisé par le fait que l'appareil de cuisson (10) comprend en outre un système de liaison mobile horizontalement relié au boîtier et à la porte (14), le système de liaison étant configuré pour déplacer la porte entre une position fermée, dans laquelle la porte est en appui contre le côté avant (15) du boîtier (11) pour fermer la cavité de four (12), par l'intermédiaire d'une position intermédiaire dans laquelle la porte est levée à partir du côté avant du boîtier, et une position ouverte dans laquelle la porte est positionnée latéralement à côté de la cavité de four et, pendant toute la trajectoire de mouvement, la porte étant maintenue dans une orientation verticale.
PCT/EP2019/053045 2018-03-19 2019-02-07 Appareil de cuisson WO2019179694A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18162582.3A EP3543613A1 (fr) 2018-03-19 2018-03-19 Appareil de cuisson
EP18162582.3 2018-03-19

Publications (1)

Publication Number Publication Date
WO2019179694A1 true WO2019179694A1 (fr) 2019-09-26

Family

ID=61691784

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/053045 WO2019179694A1 (fr) 2018-03-19 2019-02-07 Appareil de cuisson

Country Status (2)

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EP (1) EP3543613A1 (fr)
WO (1) WO2019179694A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113827102A (zh) * 2021-09-28 2021-12-24 广东美的厨房电器制造有限公司 控制面板驱动机构及烹饪器具

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3157176A (en) * 1960-03-31 1964-11-17 Gen Motors Corp Cooking range
FR2705138A1 (fr) * 1993-05-11 1994-11-18 Cepem Four à porte relevable.
EP0754920A1 (fr) * 1995-07-21 1997-01-22 Gaz De France Dispositif d'ouverture et de fermeture d'une porte d'accès à une enceinte, et four de cuisson équipé de ce dispositif
US20090321430A1 (en) * 2008-06-25 2009-12-31 Samsung Electronics Co., Ltd Cooking apparatus
US20120060821A1 (en) * 2009-05-20 2012-03-15 Acp, Inc. Sliding and Tilting Door Assembly
WO2016155805A1 (fr) * 2015-03-31 2016-10-06 Arcelik Anonim Sirketi Réfrigérateur ayant un encombrement réduit et une porte s'ouvrant en douceur

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3157176A (en) * 1960-03-31 1964-11-17 Gen Motors Corp Cooking range
FR2705138A1 (fr) * 1993-05-11 1994-11-18 Cepem Four à porte relevable.
EP0754920A1 (fr) * 1995-07-21 1997-01-22 Gaz De France Dispositif d'ouverture et de fermeture d'une porte d'accès à une enceinte, et four de cuisson équipé de ce dispositif
US20090321430A1 (en) * 2008-06-25 2009-12-31 Samsung Electronics Co., Ltd Cooking apparatus
US20120060821A1 (en) * 2009-05-20 2012-03-15 Acp, Inc. Sliding and Tilting Door Assembly
WO2016155805A1 (fr) * 2015-03-31 2016-10-06 Arcelik Anonim Sirketi Réfrigérateur ayant un encombrement réduit et une porte s'ouvrant en douceur

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113827102A (zh) * 2021-09-28 2021-12-24 广东美的厨房电器制造有限公司 控制面板驱动机构及烹饪器具

Also Published As

Publication number Publication date
EP3543613A1 (fr) 2019-09-25

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