EP2336646A1 - Kochvorrichtung - Google Patents

Kochvorrichtung Download PDF

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Publication number
EP2336646A1
EP2336646A1 EP09814513A EP09814513A EP2336646A1 EP 2336646 A1 EP2336646 A1 EP 2336646A1 EP 09814513 A EP09814513 A EP 09814513A EP 09814513 A EP09814513 A EP 09814513A EP 2336646 A1 EP2336646 A1 EP 2336646A1
Authority
EP
European Patent Office
Prior art keywords
door
heating chamber
opening
lip
front face
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.)
Withdrawn
Application number
EP09814513A
Other languages
English (en)
French (fr)
Inventor
Koichi Ishizaki
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Publication of EP2336646A1 publication Critical patent/EP2336646A1/de
Withdrawn legal-status Critical Current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
    • F24C15/02—Doors specially adapted for stoves or ranges
    • F24C15/021—Doors specially adapted for stoves or ranges sealings for doors or transparent panel

Definitions

  • the present invention relates to a cooking device that performs heat cooking by heat from a heat source with respect to objects to be heated placed in a heating chamber.
  • Patent Literature 1 There has been a conventional cooking device disclosed in JP 11-83037 A (Patent Literature 1).
  • a heater 2 is mounted in a cooking chamber 1 having an opening on a front face thereof
  • a handle 4 is mounted on a lower front face of a door 3 for opening and closing the opening of the cooking chamber 1
  • a receiving tray 6 is connected to a rear face of the door 3 by a connection part 5.
  • a grill 7 on which objects to be cooked are to be placed is placed in the receiving tray 6. That is, the door 3 is a drawer-type door to which the receiving tray 6 is connected.
  • a pad surface 9 is formed around the opening 8 of the cooking chamber 1, and door packing 10 is provided on the pad surface 9 so as to surround the opening 8.
  • the door packing 10 is composed of elastic material such as rubber and has a thick part 11 and a thin part 12.
  • Bosses 13 shaped like arrowheads are provided in the thick part 11 of the door packing 10, so that the door packing 10 is mounted on and fixed to the pad surface 9 by insertion of the bosses 13 into holes bored through the pad surface 9.
  • the thin part 12 is cantilevered by the thick part 11 and is formed of a convex curved surface extending outward. In this configuration, a height of the convex curved surface from the pad surface 9 is set at a height such that an extremity of the thin part 12 collides with an inside wall of the door 3 sooner than an extremity of the thick part 11 does when the door 3 is closed.
  • Patent Literature 1 The conventional cooking device disclosed in Patent Literature 1, however, has problems as follows.
  • use of steam as heat source has been increasing. In the use, a large quantity of steam is supplied in the cooking chamber 1.
  • the steam that comes into contact with the door 3 having a low temperature becomes condensed water by being condensed and, in course of time, the condensed water flows downward along the inside wall of the door 3.
  • the door packing 10 is mounted on the pad surface 9 provided around the opening 8 on the front face of the cooking chamber 1 so that the thin part 12 formed of the convex curved surface is brought into contact with the inside wall of the door 3. Accordingly, the thin part 12 of the door packing 10 that is positioned on lower side on the opening 8 of the cooking chamber 1 extends downward and outward from the thick part 11, and contact thereof with the inside wall of the door 3 forms a groove 14 that is defined by the door 3 and the thin part 12 of the door packing 10.
  • PATENT LITERATURE 1 JP 11-83037 A
  • An object of the invention is to provide a cooking device that prevents condensed water from falling down out of a heating chamber when a door of the heating chamber is opened.
  • a cooking device of the invention comprises:
  • the inner wall surfaces of the heating chamber are sealed by the door packing provided in the position on the door that faces the edge of the opening of the heating chamber. Accordingly, condensed water produced in the heating chamber can be prevented from accumulating in a groove formed on a border between a front face panel around periphery of the opening of the heating chamber and the door packing when the opening of the heating chamber is closed by the door, so that the condensed water that might accumulate in the groove can be prevented from falling down out of the heating chamber and wetting a floor surface when the door is opened.
  • the door packing is provided at least in a position below a horizontal plane passing through a center of the opening.
  • condensed water that has been produced in the heating chamber and that has accumulated in lower side in the heating chamber can be sealed by the door packing provided at least in the position that is below the horizontal plane passing through the center of the opening. Accordingly, the door packing does not have to be provided on overall periphery of the door and thus cost reduction can be attained.
  • the door packing includes:
  • the sealing operation by the second sealing part is not started until the sealing operation by the first sealing part is started because the periphery of the opening of the heating chamber is sealed by the first sealing part in conjunction with the operation of closing the opening by the door and because the inner wall surfaces of the heating chamber are sealed by the second sealing part in conjunction with the operation of sealing the periphery of the opening by the first sealing part. Accordingly, an extremity of the second sealing part can be prevented from being nipped between the door and the edge of the opening of the heating chamber even if a variation is caused in a mounting position of the door relative to the opening of the heating chamber.
  • the door packing seals both the front face panel around the periphery of the opening of the heating chamber and the inner wall surfaces of the heating chamber when the opening is completely closed by the door.
  • the door packing seals both the front face panel around the periphery of the opening of the heating chamber and the inner wall surfaces of the heating chamber when the opening is completely closed by the door, and thus smoke, steam and the like produced from the objects to be heated or steam as the heat source can reliably be prevented from leaking out of the heating chamber when the objects to be heated in the heating chamber is heated by heat from the heat source.
  • a depression for accumulating condensed water produced in the heating chamber and preventing the condensed water from flowing out of the heating chamber upon opening of the door is provided on a side opposite to the opening with respect to a position of sealing by the door packing on the bottom wall surface of the heating chamber.
  • the depression for accumulating the condensed water produced in the heating chamber is provided on the bottom wall surface of the heating chamber.
  • the condensed water can be prevented from flowing out of the heating chamber even if a surface on which the cooking device is placed is slightly inclined so as to face the opening and/or even if a large quantity of the condensed water has been formed.
  • the inner wall surfaces of the heating chamber are sealed by the door packing provided in the position on the door that faces the edge of the opening of the heating chamber. Accordingly, condensed water produced in the heating chamber can be prevented from accumulating in a groove formed on a border between a front face panel around periphery of the opening of the heating chamber and the door packing when the opening of the heating chamber is closed by the door, so that the condensed water that might accumulate in the groove can be prevented from falling down out of the heating chamber and wetting a floor surface when the door is opened.
  • a drip pan does not have to be provided under the opening of the heating chamber and thus users can be released from troublesomeness of washing and attachment of the drip pan.
  • Fig. 1 is a vertical section of vicinity of a door in a cooking device of the embodiment.
  • the cooking device may have a configuration that has an upper heater unit for heating objects to be heated such as pot, on top of a main body, and that is incorporated in a cabinet of a built-in kitchen or may have a configuration that is used as a sole device.
  • a heating chamber 22 in which objects to be heated are put inside and heated by heat from a heat source is provided in a housing (cabinet) 21 which forms a main body.
  • a pair of rail units 23 on both sides for smoothly taking the objects to be heated in and out of the heating chamber 22.
  • the heat source is not especially limitative, and there may be used a sheath heater using nichrome wires, a gas burner, a superheated steam supplying device or the like.
  • the rail units 23 are composed of fixed rails 24 that are mounted on a bottom surface of the housing 21 on both sides of the heating chamber 22 so as to extend in front-to-back directions and movable rails 25 that are slidably inserted into the fixed rails 24 so as to move in the front-to-back directions.
  • the term "front” in the “front-to-back directions” refers to a side of the opening 26 in the heating chamber 22, and the term “back” refers to a side opposite to the side of the opening 26.
  • Front end parts of the movable rails 25 in the pair of rail units 23 are connected to each other by a rail connecting part 27 on front side of the housing 21.
  • the rail connecting part 27 is formed by a metal plate bent into shape of a square bracket and is composed of a planar door mounting member 28 in an intermediate position and rail mounting members 29 that are positioned on both sides of the door mounting member 28, that extend in a direction generally perpendicular to the door mounting member 28, and that are fixed to the movable rails 25 after being inserted into the front end parts of the movable rails 25.
  • the door of drawer type to which a receiving tray is connected can be built in the embodiment also, as in the conventional cooking device disclosed in Patent Literature 1, provided that the receiving tray is connected by a connecting part to a back surface of the door 30 detachably mounted on the door mounting member 28 of the rail connecting part 27 or to the rail connecting part 27.
  • the door 30 is detachably mounted on the door mounting member 28 of the rail connecting part 27 as follows. That is, the door 30 is configured so as to include a metallic back surface cover 31 having a viewing window (not shown) and a glass plate 32 fitted in a recess 31a formed in a position corresponding to the viewing window on the back surface cover 31.
  • An engagement hole 34 into which a door engagement part 33 of the rail connecting part 27 is to be inserted is formed at width-wise center part under the recess 31a on the back surface cover 31.
  • the door engagement part 33 protruding upward from width-wise center part of the door mounting member 28 of the rail connecting part 27 is inserted into the engagement hole 34 on the back surface cover 31, so that the door engagement part 33 is engaged with the engagement hole 34, and the door 30 is detachably attached to the door mounting member 28 of the rail connecting part 27 by the engagement.
  • door packing 35 is stretched along intersections with extension planes of a top wall surface 22a, a bottom wall surface 22b, and both side wall surfaces (not shown in Fig. 1 ) of the heating chamber 22 which planes extend toward the front side.
  • the door packing 35 has a configuration as follows. That is, the door packing 35 is composed of elastic material such as rubber and has a base 36 composed of a thick part and lips 37, 38 composed of thin parts. Bosses 39 shaped like arrowheads are provided at intervals on the base 36, so that the door packing 35 is mounted on and fixed to the back surface cover 31 by insertion of the bosses 39 into holes bored through the back surface cover 31.
  • the lips 37, 38 are cantilevered by the base 36 and are generally composed of a first lip 37 as the first sealing part extending outward, obliquely backward and radially toward a side of the front face panel 40 of the housing 21 and a second lip 38 as the second sealing part branching from the first lip 37 and extending obliquely backward and radially toward the top wall surface 22a, the bottom wall surface 22b, and both the side wall surfaces of the heating chamber 22.
  • a distance between an extremity of the first lip 37 of the door packing 35 mounted on top side of the door 30 and the extremity of the first lip 37 of the door packing 35 mounted on bottom side of the door 30 is set larger than a distance between the top wall surface 22a and the bottom wall surface 22b of the heating chamber 22.
  • a distance between an extremity of the second lip 38 of the door packing 35 mounted on the top side of the door 30 and the extremity of the second lip 38 of the door packing 35 mounted on the bottom side of the door 30 is set smaller than the distance between the top wall surface 22a and the bottom wall surface 22b of the heating chamber 22.
  • a distance between the extremity of the first lip 37 of the door packing 35 mounted on both lateral sides of the door 30 is set larger than a distance between both the side wall surfaces of the heating chamber 22.
  • a distance between the extremity of the second lip 38 of the door packing 35 mounted on both the lateral sides of the door 30 is set smaller than the distance between both the side wall surfaces of the heating chamber 22.
  • the second lip 38 is configured so that the extremity of the second lip 38 is positioned in the heating chamber 22 at a point in time when the extremity of the first lip 37 comes into contact with the front face panel 40.
  • the cooking device having above configurations operates as follows.
  • the door 30 is drawn out toward the front side so as to open the opening 26 of the heating chamber 22.
  • the door packing 35 is spaced from the front face panel 40 of the housing 21 and from inner wall surfaces composed of the top wall surface 22a, the bottom wall surface 22b, and both the side wall surfaces of the heating chamber 22. Accordingly, the extremity of the first lip 37 is then in a position in front of the front face panel 40 and the extremity of the second lip 38 is in a position on inner side of the inner wall surfaces of the heating chamber 22.
  • the objects to be heated are put in the heating chamber 22, and the door 30 is pushed back toward the back side so as to close the opening 26 of the heating chamber 22, as shown in Fig. 2 .
  • the second lip 38 is inserted into the heating chamber 22, as seen from Fig. 1 , because the extremity of the second lip 38 is in the position on the inner side of the inner wall surfaces of the heating chamber 22.
  • the first lip 37 is bent, owing to elasticity thereof, with retreat of the door 30 and generally pivots in directions of arrows (A) on positions of connection thereof to the base 36.
  • the extremity of the second lip 38 moves toward the inner wall surfaces of the heating chamber 22, as the first lip 37 pivots, and complete closure of the door 30 as shown in Fig. 2 brings a seal surface of the first lip 37 into close contact with the front face panel 40 of the housing 21 and brings the extremity of the second lip 38 into close contact with the inner wall surfaces of the heating chamber 22.
  • both the front face panel 40 and the inner wall surfaces of the heating chamber 22 that define periphery of the opening 26 of the heating chamber 22 can be sealed by the door packing 35 when the door 30 is pushed back toward the back side to close the opening 26 of the heating chamber 22.
  • the door packing 35 is composed of the thick base 36 mounted on and fixed to the back surface cover 31 of the door 30, the thin first lip 37 cantilevered by the base 36 and extending outward and radially toward the side of the front face panel 40 of the housing 21, and the thin second lip 38 branching from the first lip 37 on the inner side of the extension planes of the inner wall surfaces of the heating chamber 22 and extending toward the inner wall surfaces of the heating chamber 22.
  • condensed water that has been made by the contact of steam in the heating chamber 22 with the back surface cover 31 of the door 30 and that has flowed down along the back surface cover 31 is made to flow back along the first lip 37 and the second lip 38 of the door packing 35 onto a part of the bottom wall surface 22b of the heating chamber 22 that is deeper than the extremity of the second lip 38.
  • the condensed water can be prevented from accumulating in the groove that is formed on a border between the front face panel 40 of the housing 21 and the first lip 37 when the first lip 37 of the door packing 35 seals the front face panel 40, so that the condensed water that might accumulate in the groove can be prevented from falling down out of the heating chamber 22 and wetting a floor surface when the door 30 is drawn out to open the heating chamber 22.
  • the extremity of the second lip 38 that seals the inner wall surfaces of the heating chamber 22 is required to be in contact with the inner wall surfaces in the heating chamber 22.
  • the door packing 35 of the embodiment is configured so as to cause the contact of the extremity of the first lip 37 with the front face panel 40 after the insertion of the second lip 38 into the heating chamber 22, the pivoting of the first lip 37 in the directions of the arrows (A), the concomitant movement of the extremity of the second lip 38 toward the inner wall surfaces of the heating chamber 22, and the close contact of the extremity of the second lip 38 with the inner wall surfaces of the heating chamber 22 upon the complete closure of the door 30.
  • This has an effect of preventing the extremity of the second lip 38 from being nipped between the front face panel 40 and the door 30 with the closure of the door 30 even if a variation is caused in a mounting position of the door 30 relative to the opening 26 of the heating chamber 22.
  • a shape of the section of the door packing 35 is not limited to a shape shown in Figs. 1 and 2 .
  • the shape of the section has only to be designed so that at least the inner wall surfaces of the heating chamber 22 can be sealed.
  • the seal of the inner wall surfaces of the heating chamber 22 can further be strengthened by a second lip 41 of which extremities are to be brought into close contact with the inner wall surfaces of the heating chamber 22 and which is composed of two lips.
  • the first lip 37 is omitted and only a second lip 42 is provided.
  • the second lip 42 is configured so as to be cantilevered by the base 36 and so as to extend outward and radially toward the side of the front face panel 40 of the housing 21.
  • a distance between extremities of the second lips 42 that face each other is set larger than the distance between the inner wall surfaces of the heating chamber 22 that face each other.
  • an extremity part of the second lip 42 of which the extremity has been brought into contact with the front face panel 40 with closure of the door 30 as shown in Fig. 4A is curved so as to protrude toward the back side as shown in Fig. 4B with movement of the door 30 and is inserted into the heating chamber 22 while being in close contact with the inner wall surfaces of the heating chamber 22.
  • a bottom wall surface depression 43 for accumulating the condensed water is preferably provided at a site that is slightly deeper than the extremity of the second lip 38 of the door packing 35 on the bottom wall surface 22b of the heating chamber 22 in the state in which the door 30 is completely closed.
  • the door packing 35 is stretched around overall periphery of the viewing window on the back surface cover 31 of the door 30.
  • the condensed water is formed and accumulated on a part of the back surface cover 31 of the door 30 that is below the heating chamber 22. Accordingly, the door packing 35 is not necessarily required to be stretched around the overall periphery of the viewing window on the back surface cover 31 but has only to be provided at least below a horizontal plane passing through a center of the opening 26.
  • the door 30 is a drawer-type door with the rail units 23.
  • the invention is not limited thereto but may employ a hinge-type door.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Stoves And Ranges (AREA)
  • Electric Ovens (AREA)
  • Baking, Grill, Roasting (AREA)
EP09814513A 2008-09-17 2009-09-10 Kochvorrichtung Withdrawn EP2336646A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008237631A JP4547449B2 (ja) 2008-09-17 2008-09-17 加熱調理器
PCT/JP2009/065805 WO2010032668A1 (ja) 2008-09-17 2009-09-10 加熱調理器

Publications (1)

Publication Number Publication Date
EP2336646A1 true EP2336646A1 (de) 2011-06-22

Family

ID=42039492

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09814513A Withdrawn EP2336646A1 (de) 2008-09-17 2009-09-10 Kochvorrichtung

Country Status (5)

Country Link
US (1) US20110168154A1 (de)
EP (1) EP2336646A1 (de)
JP (1) JP4547449B2 (de)
CN (1) CN102149975A (de)
WO (1) WO2010032668A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3933271A4 (de) * 2019-02-28 2022-04-20 Panasonic Intellectual Property Management Co., Ltd. Heizungsherd

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2659192A2 (de) 2010-12-27 2013-11-06 Arçelik Anonim Sirketi Kochvorrichtung mit einer tür mit einem dichtungselement
US20130113353A1 (en) * 2011-11-03 2013-05-09 Bsh Home Appliances Corporation Household appliance including snap-on toe kick panel
JP2013257071A (ja) * 2012-06-12 2013-12-26 Toshiba Home Technology Corp 加熱調理器
DE102012112805A1 (de) 2012-12-20 2014-06-26 Miele & Cie. Kg Gargerät
DE102016205923A1 (de) * 2016-04-08 2017-10-12 BSH Hausgeräte GmbH Tür zum Verschließen eines Garraums, welche eine Kondensatsammelvorrichtung aufweist, sowie Gargerät
CN107752739B (zh) * 2016-08-17 2023-06-13 佛山市顺德区美的电热电器制造有限公司 一种盖板组件上的密封圈、盖板组件、上盖组件和电器
CN107752741B (zh) * 2016-08-17 2023-05-30 佛山市顺德区美的电热电器制造有限公司 一种盖板组件上的密封圈、盖板组件、上盖组件和电器
EP4214446A1 (de) * 2020-09-17 2023-07-26 Femas Metal San. Ve Tic. A.S. Ofen mit einer tür mit einem tropfsammelkanal

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
DE4437838C2 (de) * 1994-10-22 1997-07-03 Heerig Hans Walter Wärmebehandlungsgerät mit einer eine Beschickungsöffnung umgebenden Dichtung
JP3169862B2 (ja) 1997-09-05 2001-05-28 松下電器産業株式会社 加熱調理器
DE10044376B4 (de) * 2000-09-08 2008-05-29 AEG Hausgeräte GmbH Backgerät
JP3947546B2 (ja) * 2005-08-03 2007-07-25 シャープ株式会社 加熱調理器
JP2007078199A (ja) * 2005-09-12 2007-03-29 Matsushita Electric Ind Co Ltd 加熱調理器
JP4767182B2 (ja) * 2007-01-12 2011-09-07 三菱電機株式会社 加熱調理器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010032668A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3933271A4 (de) * 2019-02-28 2022-04-20 Panasonic Intellectual Property Management Co., Ltd. Heizungsherd

Also Published As

Publication number Publication date
JP4547449B2 (ja) 2010-09-22
JP2010071508A (ja) 2010-04-02
US20110168154A1 (en) 2011-07-14
WO2010032668A1 (ja) 2010-03-25
CN102149975A (zh) 2011-08-10

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