EP2808631B1 - Dispositif de refroidissement comprenant un récipient qui est mobile - Google Patents

Dispositif de refroidissement comprenant un récipient qui est mobile Download PDF

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Publication number
EP2808631B1
EP2808631B1 EP14170177.1A EP14170177A EP2808631B1 EP 2808631 B1 EP2808631 B1 EP 2808631B1 EP 14170177 A EP14170177 A EP 14170177A EP 2808631 B1 EP2808631 B1 EP 2808631B1
Authority
EP
European Patent Office
Prior art keywords
container
housing
support element
inner liner
contact
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.)
Active
Application number
EP14170177.1A
Other languages
German (de)
English (en)
Other versions
EP2808631A3 (fr
EP2808631A2 (fr
Inventor
Enis Akgün
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL14170177T priority Critical patent/PL2808631T3/pl
Publication of EP2808631A2 publication Critical patent/EP2808631A2/fr
Publication of EP2808631A3 publication Critical patent/EP2808631A3/fr
Application granted granted Critical
Publication of EP2808631B1 publication Critical patent/EP2808631B1/fr
Active 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
    • 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 invention relates to a cooling device, particularly a household refrigerator, having a container which is movable on the inner liner forming the inner chamber of said cooling device.
  • Cooling devices particularly household cooling devices comprise container in the form of a drawer. Said container is usually used as a crisper. In some cases, the container is movable on plastic or glass surfaces. Some containers are movable in direct contact with the inner liner which is generally made of plastic derivative materials. In the latter case, the container is carried directly by the inner liner. The container is generally located on the bottom surface of the inner chamber formed by the inner liner. Thus, the container is movable on the inner liner forming the bottom surface.
  • a container has bearing elements which are located in its two reciprocal sides, and which carry the same on the inner liner and which serve as support members.
  • Each bearing element comprises at least one cylinder/wheel rolling on a sliding surface of the inner liner.
  • the cylinder/wheel is rotatably mounted on an intermediate bearing element.
  • the intermediate bearing element is removably mounted to the container.
  • bearing elements given in the above example and serving to the purpose of moving the container on an inner liner are in linear and/or punctual contact with the inner liner.
  • KR 10-2009-0099880 discloses a refrigerator main body having a cooling chamber formed therein, a drawer-type door sliding along a front-rear direction of the cooling chamber, and a flow restraining portion formed between the drawer-type door and a bottom surface of the cooling chamber to inhibit a lateral flow of the drawer-type door.
  • the invention provides an additional improvement, an additional advantage or an alternative to the prior art described above.
  • the main object of the invention is to provide a cooling appliance having an inner liner with a longer lifespan with regards to state of the art.
  • the invention is a cooling appliance comprising an inner chamber defined with an inner liner, a container movably located in the inner chamber, a support element provided on the bottom wall of the container for carrying the container on the inner liner; and a sliding surface on the inner liner where the support element moves on by contacting during the movement of the container.
  • the invention is characterized by the fact that the support element comprises a contact element being in superficial contact with the sliding surface.
  • the invention provides low pressure on the inner liner by a superficial contact on a wide surface area instead of the high pressure based on said linear and/or punctual contact available in the prior art. This eliminates or minimizes possible physical deformations on the inner liner due to high pressure.
  • the cooling appliance disclosed by the present invention may be a household refrigerator.
  • the inner chamber may be defined as the inner volume of the cooling appliance.
  • the inner liner forming the walls of the inner chamber may be the member known as a tub in the state of the art.
  • the container may be a receptacle used in refrigerators such as a crisper or a rapid cooling drawer.
  • the container may be made of materials known in the state of the art and particularly, of plastics derivatives.
  • the sliding surface may be any of the surfaces the inner liner which is in direct contact with the support element.
  • the support element may comprise a connection element extending from the contact element towards the container.
  • a support element which can be removed for maintenance and replacement when necessary can be obtained.
  • the contact element and the connection element of the support element may be configured as one-piece. In this way, the support element can be manufactured at a single step. This can minimize the production costs, and particularly the labor cost.
  • the connection element can be embodied configured as about perpendicular to a lower face of the contact element which is in contact with the inner liner. Thus, the force applied by the container to the support element may be homogeneously distributed to the contact element.
  • the container comprises a housing for the support element.
  • the support element can be positioned on the container in a more stable and durable manner.
  • the container and the housing for the support element can be configured as a single piece.
  • the housing may be formed on each the left and right sides of the bottom wall. Additionally, the bottom wall of the container may be provided with any desired number of housings at desired locations. The number of support elements can be decided in accordance with the number of housings.
  • the container comprises a wall defining the housing and having a bottom edge contacting to an upper surface of the contact element.
  • the contact element is supported by a wall of the housing against high weight of the container or a different physical effect. This may prolong the useful lifetime of the cooling appliance according to the present invention.
  • the wall of the housing and the contact element are in form corresponding each other, particularly in a circular form. In this way, the contact element can be supported by the wall uniformly at a plurality of points.
  • the contact element may be a plate in the form of a disc.
  • the wall of the housing may constitute a cylinder having a base with an area which is near or equal to the area of the contact element.
  • the base of the cylinder facing the contact element may be left as an opening and the inside of the cylinder may be used as a housing.
  • the lower side of the cylinder may support the contact element by contacting points in the proximity of the periphery of the upper surface of the contact element.
  • the housing may comprise a connection element securing the connection element of the supporting element to the container.
  • the connection element of the housing may be configured as about perpendicular to the lower face of the contact element contacting the inner liner.
  • the force applied to the support element by the container can be uniformly distributed to the contact member. Since the connection would be established only in the vertical direction, the labor work can be facilitated.
  • connection element of the support element or the connection element of the housing may comprise a connection housing for the connection element of other.
  • connection elements can be connected to each other by using a connection tab or a screw in addition to snap-on systems.
  • connection element of the support element or the connection element of the housing may be in the form of a pin disposed in the connection housing, particularly a pin composed of three walls having a longitudinal common edge and positioned as having an about 120-degree angle between each two of the walls around the common edge.
  • a connection element can be obtained corresponding to a snap on system which is the easiest in terms of its manufacture and use.
  • the three wall embodiment may provide a pin which has sufficient strength and which is inexpensive in material cost. The number of walls and the angle among the same may vary as long as sufficient strength is provided.
  • the free end of the pin proximal to support element may be thinner compared to the rest of said pin.
  • connection housing may be facilitated.
  • the corners on the edges of the free ends of walls which are distal to the common edge may be formed with an inclination in the embodiment having walls. In this way, the thickness of the pin may be reduced towards its free end.
  • the inner liner may comprise a contact element at a position on the inner liner ensuring contact with the container and preventing to block the support element during the movement of the container.
  • the contact element of the inner liner may contact with the lower front part of the container, for instance, in a passive situation when there is no need for accessing to the inside of the container.
  • the contact element of the container may contact the sliding surface on the left or right part of the inner liner. Any positioning combination may be established in between the container and the inner liner provided that the contact occurs only over the contact elements. Thus, contact points of the container with the inner liner and the inner liner with the container may only be at contact elements. This may reduce the risk of physical damage on the inner liner to a minimum.
  • the contact element may be made of a material whose friction coefficient is lower than that of the inner liner, and particularly is made of polyoxymethylene.
  • the support element may be manufactured by a method which is easy to implement and relatively inexpensive, such as plastic injection.
  • the friction coefficient is lower, physical damage resulting from friction can be reduced.
  • the life limit of the product according to the present invention may be improved as the contact element has a high hardness and endurance under load. Furthermore, the less the friction takes place helps to obtain a more facilitated movement of the container.
  • the support element may comprise a strength rib on a face of the support element except the face of the contact element contacting to the sliding surface of the inner liner.
  • the walls of the support element may be obtained with a relatively thin wall thickness without jeopardizing its strength. This could provide an advantage in the costs.
  • the contact element may particularly be in the form of a plate and the aforementioned strength ribs may be provided on its upper surface.
  • the connection element may be provided with strength ribs. Hence, the contact element and/or the connection element may be obtained with less material.
  • the present invention relates to a cooling appliance (1) comprising a movable container (30) within the same.
  • the present invention particularly relates to household refrigerator having a drawer as a container (30).
  • the container (30) may be a drawer slidably moving back and forth.
  • a user intends to place e.g. a food or to remove a previously placed food within the volume defined by the container, the user pulls the container (30) towards the front and the container is then brought into the operational position.
  • the container (30) is not to be used, it shall be pushed back to its rest position.
  • the container (30) slides on a horizontal wall of an inner liner (20) defining the inner chamber (10) of a cooling appliance (1).
  • Said wall may be the bottom wall of the inner liner (20).
  • a sliding surface (21) is defined on the bottom wall.
  • a support element (40) of the container (30) bears the container (30) on the sliding surface (21) and maintains that the container (30) moves as described.
  • the support element (40) is formed of a contact element (41) and a connection element (42) extending from the center of the contact element (41) as perpendicularly to the contact element (41).
  • the contact element (41) is provided in the form of a plate and at least the surface contacting the inner liner (20) is made flat.
  • the contact element (41) is in the form of a disc.
  • the lower face (410) of the disc is flat.
  • the upper face (415) may comprise one or more strength ribs (43).
  • a strength rib (43) is embodied extending from the periphery line of the contact element (41) towards its center, i.e. extending along a radius line of the disc.
  • a peripheral strength rib (43) is provided along the periphery line of the upper face (415) of the contact element (41).
  • a further peripheral strength rib (43) having a smaller diameter and in parallel to the first peripheral strength rib (43) is formed in between the center and the outer periphery of the contact element (41).
  • connection element (42) extending perpendicularly from the contact element (41) is integral with the contact element (41).
  • Most preferred embodiment of the connection element (42) is in the form of a tube. In other words, it is in the form of a cylinder whose upper part is open and the inside is empty.
  • the inner cavity of the connection element (42) functions as a connection housing (420) for a connection element (315) which is part of a housing (31) as described below.
  • One or more strength ribs (43) are located on the outer lateral wall of the connection element (42). The strength rib (43) extends from the contact element (41) towards the upper end of the connection element (42) perpendicularly to the contact element (41) like the connection element (42).
  • a possible embodiment of the support element (40) is made of polyoxymethylene, commonly known as POM.
  • the container (30) includes a housing (31) for the support element (40).
  • the housing (31) is manufactured integrally with the container (30).
  • the container (30) and the housing (31) are made of a plastic derivative material.
  • the housing (31) comprises a connection element (315) located in a connection housing (420) of the connection element (42) of the support element (40).
  • the connection element (315) extends perpendicular to the lower face (410) of the contact element (41) contacting the inner liner (20).
  • the connection element (315) of the housing (31) is in the form of a pin and is firmly inserted in the connection housing (420) of the support element (40). In this way, it fixes the support element (40) in the housing (31).
  • the connection element (315) of the housing (31) is formed of three walls (316) having a common vertical edge (317). When the connection element (315) is viewed from its bottom and the common edge (317) is located as the center, there appears approximately 120 degrees angle between the walls (316).
  • connection element (315) of the housing (31) is obtained such that its width can fit into connection housing (420).
  • the connection element (315) is made thinner towards its free end proximal to the support element (40). This is achieved by making the corner distal to the common edge (317) of the free edges of each of the walls (316) inclined.
  • the tip of the connection element (315) is not sharp. However, the invention would still work even if it would be sharp.
  • the housing (31) has a wall (310) defining the housing itself.
  • the wall (310) extends from the container (30) towards support element (40).
  • the wall (310) is circular in shape when seen from its bottom.
  • the wall (310) is like a hollow cylinder whose base proximal to the support element (40) is open. In brief words, it can be said that it is in the form of a tube.
  • the connection element (315) of the housing (31) extends along the center of the cylinder defined by the wall (310).
  • connection element (42) of the support element (40) is located inside the wall (310) of the housing (31) and cannot be seen from outside.
  • the bottom wall (311) of the wall (310) contacts the upper face (415) of the contact element (41).
  • the container (30) as exploited by the invention may be manufactured integrally with the housing (31) through plastic injection.
  • the support element (40) may be manufactured likewise. Subsequently, the support element (40) is located in the housing (31). In order to do so, the connection element (315) of the housing (31) is firmly inserted into the connection housing (420) of the support element (40). However, the support element (40) may be extracted from inside the housing (31) by exerting a certain force. On the other hand, it would not normally be pulled away from the housing (31) by forces which could occur during operation of the invention. The frictional force in between the connection elements (315, 42) is sufficient for keeping the support element (40) inside the housing (31) during use.
  • Two contact elements (22) are located on certain point or points of the inner liner (20) carrying the container (30) and particularly, points corresponding to the lower front portion of the container (30). Briefly, these are provided on the end of the sliding surface (21) proximal to the user or around its vicinity.
  • the contact in between the inner liner (20) and the container (30) which is pulled or pushed by a user is established only through contact elements (22, 41).
  • the contact element (22) provided on the inner liner (20) may be made of polyoxymethylene material like the contact element (41) of the support element (40).
  • the contact element (22) provided on the inner liner (20) may feature structural characteristics of the contact element (41) of the support element (40).

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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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cookers (AREA)

Claims (13)

  1. Appareil de réfrigération (1) comprenant une chambre intérieure (10) définie par une cuve intérieure (20) ; un contenant (30) disposé de façon mobile dans la chambre intérieure (10) ; un élément de soutien (40) prévu sur une paroi inférieure (32) du contenant (30) afin de soutenir le contenant (30) sur la cuve intérieure (20) ; et une surface de glissement (21) sur la cuve intérieure (20), sur laquelle l'élément de soutien (40) se déplace par contact durant le déplacement du contenant (30) ; dans lequel l'élément de soutien (40) comprend un élément de contact (41) se trouvant en contact superficiel avec la surface de glissement (21), et dans lequel le contenant (30) comprend un logement (31) pour l'élément de soutien (40), caractérisé en ce que le contenant (30) comprend une paroi (310) définissant le logement (31) et ayant un bord inférieur (311) en contact avec une face supérieure (415) de l'élément de contact (41).
  2. Appareil de réfrigération (1) selon la revendication 1, dans lequel l'élément de soutien (40) comprend un élément de connexion (42) s'étendant de l'élément de contact (41) au contenant (30).
  3. Appareil de réfrigération (1) selon la revendication 2, dans lequel l'élément de contact (41) et l'élément de connexion (42) de l'élément de soutien (40) sont configurés en une seule pièce.
  4. Appareil de réfrigération (1) selon la revendication 2 ou 3, dans lequel l'élément de connexion (42) est configuré sous forme approximativement perpendiculaire à une face inférieure (410) de l'élément de contact (41) en contact avec la cuve intérieure (20).
  5. Appareil de réfrigération (1) selon l'une quelconque des revendications précédentes, dans lequel le contenant (30) et le logement (31) pour l'élément de soutien (40) sont configurés en une seule pièce.
  6. Appareil de réfrigération (1) selon l'une quelconque des revendications précédentes, dans lequel la paroi (310) du logement (31) et l'élément de contact (41) sont de forme correspondant l'une à l'autre, en particulier circulaire.
  7. Appareil de réfrigération (1) selon l'une quelconque des revendications précédentes, dans lequel le logement (31) comprend un élément de connexion (315) qui sécurise l'élément de connexion (42) de l'élément de soutien (40) sur le contenant (30).
  8. Appareil de réfrigération (1) selon la revendication 7, dans lequel l'élément de connexion (315) du logement (31) est configuré sous forme approximativement perpendiculaire à la face inférieure (410) de l'élément de contact (41) en contact avec la cuve intérieure (20).
  9. Appareil de réfrigération (1) selon la revendication 7 ou 8, dans lequel l'un parmi l'élément de connexion (42) de l'élément de soutien (40) et l'élément de connexion (315) du logement (31) comprend un logement de connexion (420) pour l'élément de connexion (315) de l'autre.
  10. Appareil de réfrigération (1) selon la revendication 9, dans lequel l'un parmi l'élément de connexion (42) de l'élément de soutien (40) et l'élément de connexion (315) du logement (31) est une goupille disposée dans le logement de connexion (31), en particulier une goupille composée de trois parois (316) possédant un bord longitudinal commun (317) et positionnée de sorte à avoir un angle approximatif de 120 degrés entre chaque ensemble de deux parois (316) autour du bord commun (317).
  11. Appareil de réfrigération (1) selon l'une quelconque des revendications précédentes, dans lequel la cuve intérieure (20) comprend également un élément de contact (22) en une position de la cuve intérieure (20) assurant le contact avec le contenant (30) et empêchant de bloquer l'élément de soutien (40) durant le déplacement du contenant (30).
  12. Appareil de réfrigération (1) selon l'une quelconque des revendications précédentes, dans lequel l'élément de contact (22, 41) est fabriqué en un métal dont le coefficient de friction est inférieur à celui de la cuve intérieure (20), en particulier au polyoxyméthylène.
  13. Appareil de réfrigération (1) selon l'une quelconque des revendications précédentes, dans lequel l'élément de soutien (40) comprend une nervure de renforcement (43) sur une face de l'élément de soutien (40), hormis la face de l'élément de contact (41), en contact avec la surface de glissement (21) de la cuve intérieure (20).
EP14170177.1A 2013-05-31 2014-05-28 Dispositif de refroidissement comprenant un récipient qui est mobile Active EP2808631B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14170177T PL2808631T3 (pl) 2013-05-31 2014-05-28 Urządzenie chłodzące zawierające ruchomy pojemnik

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR201306500 2013-05-31

Publications (3)

Publication Number Publication Date
EP2808631A2 EP2808631A2 (fr) 2014-12-03
EP2808631A3 EP2808631A3 (fr) 2015-04-22
EP2808631B1 true EP2808631B1 (fr) 2018-08-08

Family

ID=50841603

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14170177.1A Active EP2808631B1 (fr) 2013-05-31 2014-05-28 Dispositif de refroidissement comprenant un récipient qui est mobile

Country Status (2)

Country Link
EP (1) EP2808631B1 (fr)
PL (1) PL2808631T3 (fr)

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
JPS512854Y2 (fr) * 1971-11-30 1976-01-27
JPS5338059U (fr) * 1976-09-08 1978-04-03
JPS5918302Y2 (ja) * 1979-02-16 1984-05-26 三洋電機株式会社 冷蔵庫
JPS5825991U (ja) * 1981-08-17 1983-02-18 三菱電機株式会社 冷蔵庫における野菜ケ−ス
JP3294964B2 (ja) * 1995-01-13 2002-06-24 三菱電機株式会社 冷蔵庫
JP3419988B2 (ja) * 1996-04-16 2003-06-23 松下冷機株式会社 冷蔵庫
KR200159029Y1 (ko) * 1997-10-14 1999-10-15 윤종용 냉장고용 야채상자의 개폐장치
KR100942659B1 (ko) * 2008-03-18 2010-02-17 엘지전자 주식회사 서랍형 도어를 구비한 냉장고
JP5443721B2 (ja) * 2008-09-16 2014-03-19 シャープ株式会社 冷蔵庫
DE102010039644A1 (de) * 2010-08-23 2012-02-23 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit einem ausziehbaren Kühlgutbehälter
DE102010039645A1 (de) 2010-08-23 2012-02-23 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit einem ausziehbaren Kühlgutbehälter
DE102010039651A1 (de) * 2010-08-23 2012-02-23 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit einem ausziehbaren Kühlgutbehälter
US20120325827A1 (en) * 2011-06-21 2012-12-27 General Electric Company Refrigerator with a slide-out pan assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2808631A3 (fr) 2015-04-22
EP2808631A2 (fr) 2014-12-03
PL2808631T3 (pl) 2019-02-28

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