EP1903288B1 - Porte de type tiroir et réfrigérateur l'employant - Google Patents

Porte de type tiroir et réfrigérateur l'employant Download PDF

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Publication number
EP1903288B1
EP1903288B1 EP07114154.3A EP07114154A EP1903288B1 EP 1903288 B1 EP1903288 B1 EP 1903288B1 EP 07114154 A EP07114154 A EP 07114154A EP 1903288 B1 EP1903288 B1 EP 1903288B1
Authority
EP
European Patent Office
Prior art keywords
cover
step difference
cam
installation
difference adjusting
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 - Fee Related
Application number
EP07114154.3A
Other languages
German (de)
English (en)
Other versions
EP1903288A3 (fr
EP1903288A2 (fr
Inventor
Sung Cheul Park
Dong In Shin
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP1903288A2 publication Critical patent/EP1903288A2/fr
Publication of EP1903288A3 publication Critical patent/EP1903288A3/fr
Application granted granted Critical
Publication of EP1903288B1 publication Critical patent/EP1903288B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • 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
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/90—Constructional details of drawers
    • A47B88/944—Drawers characterised by the front panel
    • A47B88/95—Drawers characterised by the front panel characterised by connection means for the front panel
    • A47B88/956—Drawers characterised by the front panel characterised by connection means for the front panel for enabling adjustment of the front panel
    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024—Slidable shelves
    • F25D25/025—Drawers

Definitions

  • the present invention relates generally to a refrigerator, and more particularly to a refrigerator having a plurality of drawer-type doors installed in a transverse direction in parallel to each other.
  • a refrigerator is an appliance that supplies cold air generated from an evaporator through a refrigeration cycle to storage chambers storing various foodstuffs so as to allow the foodstuffs to be kept in a fresh state for a long period of time.
  • a refrigerator including a drawer-type door, which is installed in a storage chamber and moved forward or backward so as to open or close the storage chamber.
  • a refrigerator equipped with a pair of drawer-type doors installed at left and right portions of the refrigerator in parallel to each other.
  • EP 1 679 481 A2 which is considered to be the prior art closest to the subject matter of claim 1, discloses a refrigerator with a height adjustment member provided between a hinge shaft and a hinge groove to slight in upward and downward directions by a height adjusting bold.
  • the height adjustment member is used for a main door and its hinge.
  • DE 31 35 788 A1 discloses a cam which maybe rotated and which is in contact with a horizontal plate member.
  • a holding plate is lifted with respect to the rest of a drawer and together with the holding plate also a front plate is lifted.
  • Corresponding drawer is guided by rails wherein at front ends of the rails a support part is arranged which maybe adjusted in height with respect to the holding part.
  • EP 0 656 182 A1 discloses a drawer with some kind of gravitational locking means.
  • a support member is coupled with its front ends to a cover and the support member is then used for supporting a box as a storage container.
  • US 5,788,351 A discloses a cam for vertical adjustment of appliance doors.
  • the corresponding adjustment apparatus is installed at a lower part of a refrigerator.
  • a cam is rotatably supported and is in abutment with a bottom of a support bracket which has a pin at its stop on which the door of the appliance is supported.
  • EP 1 241 308 A1 discloses an adjustment device for doors or windows wherein particular parts of the device may engage each other to all different positions of the corresponding parts of the door or the window.
  • drawer-type storage units in a refrigerator In the following it is referred sometimes to the drawer-type storage units in a refrigerator as drawer-type doors in a refrigerator.
  • a refrigerator includes a box-shaped body 10 that is opened forward and has a plurality of storage chambers 11 in which stored goods, such as foodstuff, are stored at a low temperature, a plurality of doors 20a and 20b that are hinged and pivoted on one side of the body 10 and open and close the storage chambers 11.
  • the body 10 is provided therein with refrigerating cycle components, such as a compressor 12, a condenser (not shown), an evaporator 13, and an expansion valve (not shown), thereby allowing cold air generated from the evaporator 13 to be supplied to the storage chambers 11.
  • the storage chambers 11 are provided in the body 10 and are used as a cooling chamber to store the stored goods in a cooled state, a freezing chamber store the stored goods in a frozen state, etc.
  • the body 10 is partitioned into a total of four storage chambers 11, two of which are located at an upper portion of the body (10), and two of which are located at a lower portion of the body (10).
  • the two storage chambers 11 located at the upper portion of the body (10) have a pair of rotary doors 20a, each of which is hinged and rotated on one side of the body 10, and opens and closes the corresponding storage chambers 11.
  • the two storage chambers 11 located at the lower portion of the body (10) have a pair of drawer type doors 20b, each of which can be installed to move forward and backward in the corresponding storage chamber 11, and store the stored goods.
  • each drawer type door 20b includes a cover 21 that covers a front side of the open storage chamber 11, a storage container 22 that is installed on a rear side of the cover 21, has the shape of an upwardly opened box and contains the stored goods, and a support frame 23 that is installed at the rear surface of the cover 21 at a leading end thereof so as to guide and support the storage container 22.
  • the support frame 23 includes installation sections 23a and 23b installed at the rear surface of the cover 21, a pair of side supports 23c extending backwards from the installation sections 23a and 23b and supporting sides of the storage container 22, and a rear support 23d connecting the two side supports 23c and supporting a rear surface of the storage container 22.
  • the pair of installation sections 23a and 23b are adapted to be provided to the support frame 23 so as to be installed on left and right sides of the rear surface of the cover 21, and the side supports 23c are adapted to extend from the installation sections 23a and 23b, respectively.
  • the opposite inner sidewalls of the storage chambers 11 are provided with a pair of storage chamber rails 14, which extend along a length of sides of the storage chambers 11 so as to allow the drawer type door 20b to be installed to move forward and backward.
  • the opposite sides of the drawer type door 20b are provided with a pair of door rails 24, which extend along a length of sides of the drawer type door 20b and are fitted onto the storage chamber rails 14 so as to move forward and backward.
  • the door rails 24 are installed on the outer sides of the side supports 23c respectively.
  • the refrigerator according to the present invention is provided with a step difference adjusting unit 30, which adjusts the installation positions of the two drawer type doors 20b, which are installed to move forward and backward in the two lower storage chambers 11, and thus reduces a step difference generated between the neighboring drawer type doors 20b to further improve the aesthetic looks of the refrigerator, as illustrated in FIG. 3 .
  • the step difference adjusting unit 30 includes a step difference adjusting cam 31, which is rotatably installed at the rear surface of each cover 21, and has a plurality of cam surfaces 31a formed in a rotating direction thereof at a different distance from the center of rotation thereof.
  • the installation sections 23b are coupled with the cover 21.
  • the installation position of the cover 21 can be varied in an upward and downward direction, and thus the step difference between the neighboring drawer type doors 20b can be reduced.
  • one 23a of the installation sections 23a and 23b in this embodiment is a fixing installation section that is fixedly coupled on one side of the rear surface of the cover 21, and the other 23b is a variable installation section that is coupled on the other side of the rear surface of the cover 21 and is fitted with the step difference adjusting unit 30 such that the installation position thereof can be varied in an upward and downward direction by the step difference adjusting unit 30.
  • the variable installation section 23b rotates about and with respect to the fixing installation section 23a by the step difference adjusting unit 30, and then is supported and fixed after the upward or downward movement.
  • variable installation section 23b on which the step difference adjusting unit 30 is installed is provided with a through hole 23e, through which the step difference adjusting cam 31 passes to protrude backwards, as illustrated in FIG. 3 .
  • the through hole 23e is provided with a support rib 23f, which extends backwards and on which any one of the cam surfaces 31a of the step difference adjusting cam 31 is supported.
  • the step difference adjusting unit 30 is provided with a cam installation screw 32, which allows the step difference adjusting cam 31 to be rotatably installed on the cover 21.
  • the cam installation screw 32 includes a head section 32a on which the rear surface of the step difference adjusting cam 31 is supported, a male screw section 32b provided at the other side of the head section 32a with a male screw, the male screw section 32b being screwed into the rear surface of the cover 21, and a hinge section 32c having a circular sectional shape between the head section 32a and the male screw section 32b such that the step difference adjusting cam 31 is rotatably installed.
  • the step difference adjusting cam 31 is provided with a hinge hole 31b into which the cam installation screw 32 is fitted.
  • the step difference adjusting unit 30 is adapted to selectively rotate only when the cam installation screw 32 is partly unscrewed.
  • the step difference adjusting cam 31 is provided with a support protrusion 31c, which extends in a forward direction so as to allow the step difference adjusting cam 31 to be selectively rotated only when the cam installation screw 32 is partially released, and a plurality of support holes 21a are formed at a rear surface of the cover 21 in a circumferential direction while being spaced apart from each other by a predetermined distance so as to support the support protrusion 31c inserted into any of the support holes 21a.
  • the support protrusion 31c is maintained to be inserted in the support hole 21a, and thus the step difference adjusting cam 31 cannot be rotated.
  • the step difference adjusting cam 31 moves backwards at a predetermined interval, and thus the support protrusion 31c can be separated from any of the support holes 21a. The step difference adjusting cam 31 can be rotated.
  • the installation sections 23a and 23b are adapted to be fixed to the cover 21 through coupling screws 24, which pass through the installation sections 23a and 23b to be screwed into the cover 21.
  • the installation sections 23a and 23b are provided with coupling slots 23g, through which the coupling screws 24 pass to be screwed.
  • the coupling slots 23g have the shape of a long hole in a longitudinal direction such that the coupling screws 24 pass through the coupling slots 23g to be screwed into the cover 21 in the state in which the installation sections 23a and 23b move up or down by the step difference adjusting unit 30.
  • the installation sections 23a and 23b of the support frame 23 are provided with a temporal assembly slot 23h, which is opened upwards to allow the cover 21 to be assembled temporally with the support frame 23.
  • a temporal assembling screw 25 is installed at the rear surface of the cover 21, in which a head section of the temporal assembling screw 25 is spaced apart from the rear surface of the cover 21 by a predetermined distance, and is coupled into the temporal assembling slot 23h through an upper portion of the temporal assembling slot 23h.
  • the fixing installation section 23a is coupled to one side of the rear surface of the cover 21 and the variable installation section 23b, which is moved upward and downward by the step difference adjusting device 30, is coupled to the other side of the rear surface of the cover 21.
  • the variable installation section 23b can be moved upward and downward while being rotated about and with respect to the fixing installation section 23a by the step difference adjusting device 30, so that the step difference between adjacent drawer-type doors 20b can be adjusted.
  • both of the installation sections provided at the rear surface of the cover 21 can be made in the form of variabie instaiiation sections 23b equipped with the step difference adjusting device 30.
  • the refrigerator according to the present embodiment includes the step difference adjusting device capable of changing the installation position of the support frame, which is coupled to the cover through the step difference adjusting member.
  • the installation height of the cover can be adjusted, so that the step difference between adjacent drawer-type doors can be reduced.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)

Claims (8)

  1. Réfrigérateur comportant :
    un corps (10) muni, au niveau de ses parties gauche et droite, d'une pluralité de chambres de stockage (11) qui sont alignées parallèlement les unes par rapport aux autres et destinées à stocker des produits ;
    une paire d'unités de stockage de type tiroir (20b) installées dans les chambres de stockage (11) et aptes à se déplacer vers l'avant ou l'arrière, chaque unité de stockage de type tiroir (20b) comprenant un couvercle (21) qui recouvre un côté avant de l'une des chambres de stockage (11) de manière à fermer la chambre de stockage (11), un conteneur de stockage (22) ouvert vers le haut et destiné à stocker les produits, et un cadre de support (23) ayant une extrémité avant reliée avec le couvercle (21) de manière à soutenir le conteneur de stockage (22) qui y est installé, et
    un dispositif d'ajustement de différence de hauteur (30) pour réduire une différence de niveau entre les couvercles (21) des unités de stockage de type tiroir (20b), caractérisé en ce que
    le dispositif d'ajustement de différence de niveau (30) ajuste une position d'installation de l'extrémité avant du cadre de support (23) relié au couvercle (21) dans les directions ascendante et descendante,
    le dispositif d'ajustement de différence de niveau (30) comportant :
    une came d'ajustement de différence de niveau (31) qui est installée de manière rotative sur le couvercle (21) et est constituée, dans sa direction de rotation, d'une pluralité de surfaces de came (31a) à des distances différentes du centre de rotation (31b) de la came d'ajustement de différence de niveau (31), et
    une vis d'installation de came (32) reliant de manière rotative la came d'ajustement de différence de niveau (31) avec le couvercle (21),
    où les surfaces de came (31a) sont différentes les unes des autres, et le cadre de support (23) est relié au couvercle (21) tout en étant supporté sur l'une des surfaces de came (31a),
    où le cadre de support (23) comporte en outre des sections d'installation (23a, b) reliées avec le couvercle (21) et l'une (23b) de ces sections d'installation (23a, b) est en contact avec l'une des surfaces de came (31a), lesdites sections d'installation (23a, b) comprenant une partie d'installation de fixation (23a) installée de manière fixe sur un côté d'une surface arrière du couvercle (21), et une partie d'installation variable (23b) installée sur l'autre côté de la surface arrière du couvercle (21), le dispositif d'ajustement de différence de niveau (30) étant installé sur la partie d'installation variable (23b) pour changer une position d'installation de la partie d'installation variable (23b) dans une direction verticale par rapport à la partie d'installation de fixation (23a) par rotation de la came d'ajustement (31),
    où la came d'ajustement de différence de niveau (31) comprend une saillie de support (31c) qui s'étend dans une direction avant pour permettre une rotation sélective de la came d'ajustement de différence de niveau (31) quand la vis d'installation de came (32) est partiellement libérée, et
    où le couvercle (21) comprend une pluralité de trous de support (21a) formés sur une surface arrière du couvercle (21) dans une direction circonférentielle et espacés les uns par rapport aux autres d'une distance prédéterminée de manière à supporter la saillie de support (31c) destinée à être insérée dans un des trous de support (21a) dans un état dans lequel la vis d'installation de came (32) est entièrement vissée dans le couvercle (21).
  2. Réfrigérateur selon la revendication 1, dans lequel la vis d'installation de came (32) comprend :
    une section de tête (32a) sur laquelle est supportée une surface arrière de la came d'ajustement de différence de niveau (32), une section de vis mâle (32b) disposée sur un autre côté de la section de tête (32a) et constituée d'une vis mâle qui est vissée dans le couvercle (21), et
    une section charnière (32c) ayant une forme en section transversale circulaire et disposée entre la section de tête (32a) et la section de vis mâle (32b) pour installer la came d'ajustement de différence de niveau (31) de manière rotative.
  3. Réfrigérateur selon la revendication 1, dans lequel le cadre de support (23) comprend en outre une paire de sections de support latérales (23c) s'étendant dans une direction arrière à partir de la section d'installation (23a, b) de manière à supporter les deux côtés du conteneur de stockage (22), et une section de support arrière (23d) reliant les parties d'extrémité arrières des sections de support latérales (23c) entre elles, de manière à supporter une surface arrière du conteneur de stockage (22).
  4. Réfrigérateur selon la revendication 3, dans lequel la section d'installation (23b) comprend un trou traversant (23e) à travers lequel est inséré la came d'ajustement de différence de niveau (31), et une nervure de support (23f) s'étendant d'une partie adjacente au trou traversant (23e) et supportée sur une des surfaces de came (31a) formées sur la came d'ajustement de différence de niveau (31).
  5. Réfrigérateur selon la revendication 3, dans lequel un rail de chambre de stockage (14) est disposé des deux côtés de la chambre de stockage (11) pour permettre à l'unité de stockage de type tiroir (20b) de se déplacer dans une direction avant ou une direction arrière, et des rails de porte (24) sont respectivement disposés dans les sections de support latérales (23c), les rails de porte (24) étant installés sur les rails de chambre de stockage (14) de manière à se déplacer dans une direction avant ou une direction arrière.
  6. Réfrigérateur selon la revendication 3, dans lequel la section d'installation (23a, b) est pourvue d'une fente d'assemblage (23h) formée longitudinalement dans la section d'installation (23a, b), une partie supérieure de la fente d'assemblage (23h) étant ouverte pour permettre l'assemblage temporaire du couvercle (21) avec le cadre de support (23).
  7. Réfrigérateur selon la revendication 6, dans lequel une vis d'assemblage (25) est installée au niveau d'une surface arrière du couvercle (21), une section de tête de la vis d'assemblage (25) étant espacée de la surface arrière du couvercle (21) d'une distance prédéterminée, la vis d'assemblage (25) étant couplée avec la fente d'assemblage (23h) à travers une partie supérieure de la fente d'assemblage (23h).
  8. Réfrigérateur selon la revendication 3, dans lequel une fente de couplage (23g) est formée dans la section d'installation (23a, b) et une vis de couplage (24) est vissée dans la fente de couplage (23g), la fente de couplage (23g) prenant la forme d'une fente allongée longitudinalement.
EP07114154.3A 2006-09-21 2007-08-10 Porte de type tiroir et réfrigérateur l'employant Expired - Fee Related EP1903288B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020060091846A KR101263434B1 (ko) 2006-09-21 2006-09-21 서랍식 도어 및 이를 갖춘 냉장고

Publications (3)

Publication Number Publication Date
EP1903288A2 EP1903288A2 (fr) 2008-03-26
EP1903288A3 EP1903288A3 (fr) 2012-06-06
EP1903288B1 true EP1903288B1 (fr) 2018-10-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07114154.3A Expired - Fee Related EP1903288B1 (fr) 2006-09-21 2007-08-10 Porte de type tiroir et réfrigérateur l'employant

Country Status (4)

Country Link
US (1) US20080074019A1 (fr)
EP (1) EP1903288B1 (fr)
KR (1) KR101263434B1 (fr)
CN (1) CN100526769C (fr)

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EP1903288A3 (fr) 2012-06-06
KR20080026803A (ko) 2008-03-26
CN100526769C (zh) 2009-08-12
CN101149202A (zh) 2008-03-26
US20080074019A1 (en) 2008-03-27
KR101263434B1 (ko) 2013-05-10
EP1903288A2 (fr) 2008-03-26

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