EP2894424A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

Info

Publication number
EP2894424A1
EP2894424A1 EP13836161.3A EP13836161A EP2894424A1 EP 2894424 A1 EP2894424 A1 EP 2894424A1 EP 13836161 A EP13836161 A EP 13836161A EP 2894424 A1 EP2894424 A1 EP 2894424A1
Authority
EP
European Patent Office
Prior art keywords
heat insulating
plate
outer plate
insulating material
knob
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.)
Granted
Application number
EP13836161.3A
Other languages
German (de)
English (en)
Other versions
EP2894424A4 (fr
EP2894424B1 (fr
Inventor
You RYUU
Tokimi ABE
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.)
Toshiba Lifestyle Products and Services Corp
Original Assignee
Toshiba Corp
Toshiba Lifestyle Products and Services 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 Toshiba Corp, Toshiba Lifestyle Products and Services Corp filed Critical Toshiba Corp
Publication of EP2894424A1 publication Critical patent/EP2894424A1/fr
Publication of EP2894424A4 publication Critical patent/EP2894424A4/fr
Application granted granted Critical
Publication of EP2894424B1 publication Critical patent/EP2894424B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B95/00—Fittings for furniture
    • A47B95/02—Handles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F3/00—Show cases or show cabinets
    • A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
    • A47F3/0404—Cases or cabinets of the closed type
    • A47F3/0426—Details
    • A47F3/043—Doors, covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/062—Walls defining a cabinet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • F25D2201/14—Insulation with respect to heat using subatmospheric pressure

Definitions

  • the vacuum heat insulating material is configured to vacuum-packing a core material with a thin outer wrapping film.
  • This vacuum heat insulating material is better in heat insulating performance than the urethane foam, but the outer wrapping film is easily cracked, and the vacuum heat insulating material loses heat insulating performance significantly in a case that the outer wrapping film is cracked and damaged.
  • the outer wrapping film may be damaged when the vacuum heat insulating material is arranged at a position where the vacuum heat insulating material contacts a screw located at an attaching part of a knob.
  • PATENT DOCUMENT 1 Japanese Patent Application Publication No. 2006-90649
  • This heat insulating case body 3 is partitioned into five chambers consisting of a cold storage chamber 11, a vegetable chamber 12, an ice making chamber 13 and a first freezing chamber 14 provided in parallel horizontally, and a second freezing chamber 15 in this order from the upper side.
  • the opening on the front side of the cold storage chamber 11 is provided with French type first cold storage chamber door 21 and second cold storage chamber door 22.
  • the openings on the front sides of the vegetable chamber 12, the ice making chamber 13, the first freezing chamber 14, and the second freezing chamber 15 are respectively provided with drawing type vegetable chamber door 23, ice making chamber door 24, first freezing chamber door 25, and second freezing chamber door 26.
  • the second freezing chamber door 26 will be described as an example to describe a structure of the drawing type door.
  • the second freezing chamber door 26 includes an outer plate 31, an inner plate 32, an inner frame 33, the vacuum heat insulating material 35, a gasket 37, and a knob 39 as illustrated in Figs. 3 to 5 .
  • a direction in which the outer plate 31 in the second freezing chamber door 26 is located is referred to as a front side while an inside direction of the refrigerator 1 in which the inner plate 32 is located is referred to as a back side.
  • the second freezing chamber door 26 has the vacuum heat insulating material 35 interposed between the outer plate 31 and the inner plate 32.
  • the inner frame 33 is fitted in the outer plate 31 to press the inner plate 32 to the outer plate 31 from a back side of the inner plate 32.
  • the inner frame 33 is provided with a throat portion 33b projecting to a back surface side of the inner frame 33 (a surface located in an inner side in the second freezing chamber door 26) and has the gasket 37 fitted in the inner frame 33 in the vicinity of an outer circumference on the back surface side of the inner frame 33.
  • the front side of the outer plate 31 is provided with the knob 39.
  • the outer plate 31 is an approximately box-shaped plate including a flat plate portion 31a which is an approximately rectangular flat-surface plate and a side wall 31b extending backward from an outer circumferential edge of the flat plate portion 31a. Openings 31c to which the knob 39 is attached are formed near an upper end of the flat plate portion 31a and near right and left ends of the flat plate portion 31a.
  • the knob 39 is a grip handle made of a tubular hollow or solid and approximately U-shaped member and includes a grip 39a extending in parallel with the flat plate portion 31a of the outer plate 31 and legs 39b extending backward from both the ends of the grip 39a.
  • a back end portion of each leg 39b is provided with a recess 39c, and a screw hole 39d in which a screw 41 is screwed is formed at a surface (a front side) located at the bottom of the recess 39c.
  • This knob 39 is fixed to the outer plate 31 by a boss 40 and the screw 41 as attaching members.
  • the boss 40 includes a ring portion 40a, a cylindrical portion 40b standing forward from an inner rim of the ring portion 40a, a circular-plate-shaped contacting portion 40c closing a front end surface of the cylindrical portion 40b, and a screw hole 40d formed in the bordering portion 40c.
  • This boss 40 is bonded and fixed to the outer plate 31 in a state in which an adhesive member such as a double-sided tape is attached to a front surface (a surface on a side on which the cylindrical portion 40b is formed) of the ring portion 40a and in which the cylindrical portion 40b passes through the opening 31c of the outer plate 31.
  • the knob 39 is fixed by the screw 41 in a state in which the cylindrical portion 40b of the boss 40 is covered with the recess 39c of the knob 39. Since the screw 41 is in a state of staying inside the cylindrical portion 40b of the boss 40, a head of the screw 41 does not project further backward than the flat plate portion 31a of the outer plate 31.
  • the vacuum heat insulating material 35 is arranged over an approximately entire area on a back surface side of the outer plate 31, and the inner plate 32 is arranged on a back surface side of this vacuum heat insulating material 35.
  • the vacuum heat insulating material 35 is bonded to the outer plate 31 and is similarly bonded to the boss 40.
  • the vacuum heat insulating material 35 is structured by vacuum-packing a core material with an outer wrapping film, and the outer wrapping film may be cracked when a projection, a screw etc. contacts the outer wrapping film.
  • a soft tape 36 such as a sponge tape is wound on a side surface of the vacuum heat insulating material 35. Winding the soft tape 36 on the side surface in this manner can protect the outer wrapping film of the vacuum heat insulating material 35 from a connecting part of the outer plate 31 with the inner plate 32 and another member.
  • the vacuum heat insulating material 35 is bonded not only to the outer plate 31 but also to the inner plate 32 as well if necessary.
  • the inner frame 33 is a rectangular frame body, has a groove as a gasket fitting portion 33a on a back side near an outer circumferential edge of the inner frame 33, and includes the throat portion 33b on an inner side of the gasket fitting portion 33a.
  • the inner frame 33 has a foam heat insulating material 33c filled inside the throat portion 33b. This inner frame 33 is arranged to press the inner plate 32 bonded to the vacuum heat insulating material 35 to the back surface of the outer plate 31 and is fitted with the side wall 31b of the outer plate 31.
  • the gasket 37 is a frame body having a hollow and sealed air cushion portion 37a and has an arrowheaded inserting portion 37b.
  • the gasket 37 also includes a magnet 37c adapted to attach to a circumferential surface of the opening of the heat insulating case body 3 on a back surface of the air cushion portion 37a.
  • This gasket 37 is a flexible material and is attached to the inner frame 33 by pushing the inserting portion 37b into the gasket fitting portion 33a of the inner frame 33 with use of the flexibility.
  • a thickness of the door is not constant, a large space in which any vacuum heat insulating material is not provided exists even when the flat-plate-shaped vacuum heat insulating material is arranged inside the door.
  • the flat-plate-shaped vacuum heat insulating material 35 can be arranged in a wide range in the door, i.e., in an approximately entire area, when the flat plate portion 31a of the outer plate 31 and the inner plate 32 are arranged in parallel. An edge of the vacuum heat insulating material 35 extends to a position closer to an edge of the outer plate 31 than a position of the grip 39a of the knob 39.
  • the second freezing chamber door 26 is formed in a box shape by the outer plate 31, the vacuum heat insulating material 35, the inner plate 32 etc. in the above embodiment, the second freezing chamber door 26 may be configured to connect the outer plate 31 formed in a flat plate with the inner frame 33 by means of a side surface plate etc.
  • the door according to the present embodiment has only to include the outer plate 31 having at least a flat plate part and the inner plate 32, and the flat plate part of the outer plate 31 and the inner plate 32 have only to be arranged in parallel to interpose the flat-plate-shaped vacuum heat insulating material 35 between the flat plate part and the inner plate 32.
  • the knob 39 is a grip handle. Specifically, the knob 39 is not formed to project forward from the upper end surface of the door but is formed to have the grip 39a (grip portion) spaced apart from the outer plate 31. Accordingly, the outer plate 31 does not need to be provided with a recess or a groove which helps a user to put his/her fingers easily and can be formed in a flat plate shape.
  • the vacuum heat insulating material 35 can be prevented from being cracked by the head of the screw 41 etc.
  • the first cold storage chamber door 21 in the present embodiment described in Fig. 1 has the vacuum heat insulating material 35 interposed between the outer plate 31 and the inner plate 32 and has the knob 39 attached to the outer plate 31 in a similar manner to the first embodiment.
  • Positions (corner portions adjacent to attaching portions of the knob 39 on an upper side in the present embodiment) in the vacuum heat insulating material 35 corresponding to the attaching portions of the knob 39 are formed to be cut out in triangular shapes.
  • Any vacuum heat insulating material 35 is not arranged directly below the attaching portions of the knob 39, and instead a foam heat insulating material 45 such as urethane foam or another heat insulating material is filled.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)
EP13836161.3A 2012-09-06 2013-08-23 Réfrigérateur Not-in-force EP2894424B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012195794A JP6081108B2 (ja) 2012-09-06 2012-09-06 冷蔵庫
PCT/JP2013/004983 WO2014038150A1 (fr) 2012-09-06 2013-08-23 Réfrigérateur

Publications (3)

Publication Number Publication Date
EP2894424A1 true EP2894424A1 (fr) 2015-07-15
EP2894424A4 EP2894424A4 (fr) 2016-05-25
EP2894424B1 EP2894424B1 (fr) 2018-10-24

Family

ID=50236785

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13836161.3A Not-in-force EP2894424B1 (fr) 2012-09-06 2013-08-23 Réfrigérateur

Country Status (5)

Country Link
EP (1) EP2894424B1 (fr)
JP (1) JP6081108B2 (fr)
CN (1) CN104903666B (fr)
TW (1) TWI551839B (fr)
WO (1) WO2014038150A1 (fr)

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US9221210B2 (en) 2012-04-11 2015-12-29 Whirlpool Corporation Method to create vacuum insulated cabinets for refrigerators
US9038403B2 (en) 2012-04-02 2015-05-26 Whirlpool Corporation Vacuum insulated door structure and method for the creation thereof
JP6105242B2 (ja) * 2012-09-25 2017-03-29 東芝ライフスタイル株式会社 冷蔵庫
US9689604B2 (en) 2014-02-24 2017-06-27 Whirlpool Corporation Multi-section core vacuum insulation panels with hybrid barrier film envelope
US9599392B2 (en) 2014-02-24 2017-03-21 Whirlpool Corporation Folding approach to create a 3D vacuum insulated door from 2D flat vacuum insulation panels
US10052819B2 (en) 2014-02-24 2018-08-21 Whirlpool Corporation Vacuum packaged 3D vacuum insulated door structure and method therefor using a tooling fixture
US9476633B2 (en) 2015-03-02 2016-10-25 Whirlpool Corporation 3D vacuum panel and a folding approach to create the 3D vacuum panel from a 2D vacuum panel of non-uniform thickness
US10161669B2 (en) 2015-03-05 2018-12-25 Whirlpool Corporation Attachment arrangement for vacuum insulated door
US9897370B2 (en) 2015-03-11 2018-02-20 Whirlpool Corporation Self-contained pantry box system for insertion into an appliance
WO2017002345A1 (fr) * 2015-06-29 2017-01-05 パナソニックＩｐマネジメント株式会社 Réfrigérateur
US9441779B1 (en) 2015-07-01 2016-09-13 Whirlpool Corporation Split hybrid insulation structure for an appliance
US10222116B2 (en) 2015-12-08 2019-03-05 Whirlpool Corporation Method and apparatus for forming a vacuum insulated structure for an appliance having a pressing mechanism incorporated within an insulation delivery system
US10422573B2 (en) 2015-12-08 2019-09-24 Whirlpool Corporation Insulation structure for an appliance having a uniformly mixed multi-component insulation material, and a method for even distribution of material combinations therein
US11052579B2 (en) 2015-12-08 2021-07-06 Whirlpool Corporation Method for preparing a densified insulation material for use in appliance insulated structure
US10429125B2 (en) 2015-12-08 2019-10-01 Whirlpool Corporation Insulation structure for an appliance having a uniformly mixed multi-component insulation material, and a method for even distribution of material combinations therein
US10041724B2 (en) 2015-12-08 2018-08-07 Whirlpool Corporation Methods for dispensing and compacting insulation materials into a vacuum sealed structure
US11994336B2 (en) 2015-12-09 2024-05-28 Whirlpool Corporation Vacuum insulated structure with thermal bridge breaker with heat loop
WO2017100037A1 (fr) 2015-12-09 2017-06-15 Whirlpool Corporation Structures d'isolation sous vide avec isolants multiples
US10422569B2 (en) 2015-12-21 2019-09-24 Whirlpool Corporation Vacuum insulated door construction
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US10807298B2 (en) 2015-12-29 2020-10-20 Whirlpool Corporation Molded gas barrier parts for vacuum insulated structure
CN105640163A (zh) * 2015-12-29 2016-06-08 常熟市久昇电器有限公司 一种食品保鲜存储展示柜门
US11247369B2 (en) 2015-12-30 2022-02-15 Whirlpool Corporation Method of fabricating 3D vacuum insulated refrigerator structure having core material
EP3443285B1 (fr) 2016-04-15 2021-03-10 Whirlpool Corporation Armoire de réfrigérateur à isolation sous vide
EP3443284B1 (fr) 2016-04-15 2020-11-18 Whirlpool Corporation Structure de réfrigérateur à isolation sous vide, dotée de caractéristiques tridimensionnelles
WO2018022007A1 (fr) 2016-07-26 2018-02-01 Whirlpool Corporation Coupe-garniture à structure isolée sous vide
US11391506B2 (en) 2016-08-18 2022-07-19 Whirlpool Corporation Machine compartment for a vacuum insulated structure
EP3548813B1 (fr) 2016-12-02 2023-05-31 Whirlpool Corporation Ensemble support de charnière
US10352613B2 (en) 2016-12-05 2019-07-16 Whirlpool Corporation Pigmented monolayer liner for appliances and methods of making the same
US10907888B2 (en) 2018-06-25 2021-02-02 Whirlpool Corporation Hybrid pigmented hot stitched color liner system
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Also Published As

Publication number Publication date
JP2014052111A (ja) 2014-03-20
EP2894424A4 (fr) 2016-05-25
TWI551839B (zh) 2016-10-01
EP2894424B1 (fr) 2018-10-24
CN104903666B (zh) 2017-05-17
TW201411075A (zh) 2014-03-16
JP6081108B2 (ja) 2017-02-15
CN104903666A (zh) 2015-09-09
WO2014038150A1 (fr) 2014-03-13

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