EP2629034A1 - Kältegerät für Lebensmittel - Google Patents

Kältegerät für Lebensmittel Download PDF

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Publication number
EP2629034A1
EP2629034A1 EP13155229.1A EP13155229A EP2629034A1 EP 2629034 A1 EP2629034 A1 EP 2629034A1 EP 13155229 A EP13155229 A EP 13155229A EP 2629034 A1 EP2629034 A1 EP 2629034A1
Authority
EP
European Patent Office
Prior art keywords
drawer
cell
protrusion
flank
tract
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Withdrawn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
EP13155229.1A
Other languages
English (en)
French (fr)
Inventor
Daniele Angeletti
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.)
Whirlpool EMEA SpA
Original Assignee
Indesit Co SpA
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
Priority claimed from IT000011A external-priority patent/ITRN20120011A1/it
Priority claimed from IT000010A external-priority patent/ITRN20120010A1/it
Application filed by Indesit Co SpA filed Critical Indesit Co SpA
Publication of EP2629034A1 publication Critical patent/EP2629034A1/de
Withdrawn legal-status Critical Current

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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
    • F25D23/06—Walls
    • F25D23/065—Details
    • F25D23/066—Liners
    • 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
    • F25D23/065—Details
    • F25D23/067—Supporting elements
    • 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 to a refrigerating apparatus for foodstuffs, for example refrigerators, freezers, refrigerator-freezers.
  • Refrigerators are known that comprise a refrigerating compartment destined for containing food products. Internally of the compartments the food products are distributed on a plurality of shelves arranged at various heights.
  • a crisper is located in the lower portion of the compartment, which crisper is destined to contain fresh green vegetables, fruit and so on.
  • the crisper is a drawer that is extractable from the compartment. To access the crisper, the user consequently first opens an external access door to the refrigerator compartment and then extracts the crisper drawer.
  • a heat-formed cell is manufactured in a single piece.
  • additional accessories are applied to it.
  • the guide is constrained to the lateral walls of the cell by means of appropriate fastening screws.
  • the drawer comprises a wheel which runs along the guide, accompanying the extraction/insertion run of the drawer.
  • the endrun of the drawer extraction is determined by contact of said wheel with an end of the guide.
  • the positioning of the wheel on the drawer determines a constructional complexity and incurs a cost.
  • a further drawback is connected to the fact that at the contact zone between the guide and the cell interstices can form which are not easy to reach for cleaning purposes, and that therefore are liable to accumulation of dirt.
  • the technical objective underpinning the present invention is to provide a refrigerating device for foods which obviates the drawbacks of the prior art cited herein above.
  • an aim of the present invention is to make available a refrigerating device for foodstuffs which enables a greater production velocity and therefore a greater productivity as well as a lower labour cost.
  • an aim of the present invention is to provide a refrigerating device for foodstuffs equipped with elements that are aimed at improving the already high hygiene standards existing for these devices.
  • the set technical aim and the specified aims are substantially attained by a food refrigerating device, comprising the technical characteristics set out in one or more of the accompanying claims.
  • reference number 1 denotes a refrigerating apparatus for food products.
  • the apparatus 1 is a refrigerator or a freezer or a refrigerator-freezer.
  • the apparatus 1 advantageously comprises a refrigerating cell 2.
  • the cell 2 is advantageously heat-formed.
  • the cell 2 is advantageously made in a single piece.
  • the cell 2 advantageously defines a housing compartment 73 for food products.
  • the cell 2 advantageously comprises:
  • the first wall 25 (or the cell 2) comprises at least a first guide 4.
  • the first guide 4 is a heat-formed guide of the drawer 3.
  • the cell 2 comprises the first guide 4.
  • the first guide 4 is therefore made in a single piece with remaining parts of the first wall 25.
  • the first guide 4 is therefore realized in a single piece with all the refrigerating cell 2.
  • the drawer 3 defines a lower partition of the compartment 73.
  • the drawer 3 comprises a lower support platform 6 of food products.
  • the expression “lower platform 6" can be replaced by the term “lower base 6".
  • the drawer 3 comprises a first lateral flank 35.
  • the drawer 3 advantageously comprises a second lateral flank 62.
  • the first and the second lateral flank 35, 62 advantageously develop in an upwards direction distancingly from the lower platform 6. They thus define edges which contribute to containing products located in the drawer 3.
  • the drawer 3 usually also comprises a front portion 730 which develops transversally to the insertion/extraction direction of the drawer 3.
  • the drawer 3 comprises a rear portion 76 opposite the front portion 730.
  • the front portion 730 is advantageously removably connected to remaining parts of the drawer 3 (said remaining parts are advantageously made in a single piece).
  • the drawer 3 comprises a first abutment 60 which projects from the lower platform 6 in a downwards direction.
  • the lower platform 6 further comprises a plurality of parallel ribs developing along an extraction/insertion direction of the drawer 3 (the ribs typically have a strengthening function).
  • the drawer 3 is ideally subdivided into three parts of equal length (measured along the extraction/insertion direction): the three parts are two end parts and an intermediate part.
  • the first abutment 60 lies in the intermediate part of said three parts. As shown by way of example in figure 4 , the first abutment 60 is fin-shaped.
  • the cell 2 comprises an endrun stop 61 of the first abutment 60.
  • the stop 61 defines an endrun during an extracting run of the drawer 3. In this way the drawer 3 is prevented from being completely removed accidentally during the extraction run.
  • the first abutment 60 is located in a position that is such as to be hidden from the view of a normal user.
  • the first abutment 60 comprises a first ramp 71 which develops downwards from said lower platform 6.
  • the first ramp 71 when distancing from the front portion 730, also distances from the platform 6.
  • the first abutment 60 comprises a second ramp 72. As it distances from the front portion 730, the second ramp 72 nears the platform 6.
  • the second ramp 72 advantageously connects a lower end of the first ramp 71 to the platform 6.
  • the first abutment 60 advantageously exhibits a rounded lower end which connects the first and the second ramp 71, 72.
  • the first abutment 60 is in a single piece with the platform 6.
  • the first abutment 60 and the platform 6 are therefore not an assembly. They are made in a single piece by moulding.
  • the endrun stop 61 is a step 78 which is encountered when moving from said opening towards the lower portion 23 of the cell 2.
  • An infinite plane advantageously exists, which is horizontal and imaginary, and which separates the first guide 4 (or the first groove 40 hereafter defined) and the said step 78 (in particular and more simply the first guide 4 or the first groove 40 surmounts said step 78) into two distinct semi-spaces with no reciprocal intersecting.
  • the endrun stop 61 is destined to come into contact with the first ramp 71 of the first abutment 60 such as to halt the extraction of the drawer 3.
  • the endrun stop 61 is advantageously integrated into the cell 2.
  • the drawer 3 advantageously comprises a second abutment 77.
  • the second abutment 77 is advantageously shaped the same as the first abutment 60.
  • the first and the second abutments 60, 77 are advantageously destined to contemporaneously contact the endrun stop 61.
  • the lower platform 6, the rear portion 76 and the first and second flank 35, 62 of the drawer 3 are advantageously made in a single piece.
  • the drawer 3 comprises a first protrusion 31 which projects externally of the drawer 3 from the first lateral flank 35.
  • the first protrusion 31 is advantageously a dragging element.
  • the dragging element advantageously is an element dragging in the first guide 4.
  • the first guide 4 advantageously is/comprises a first groove 40 in which the first protrusion 31 inserts.
  • the expression "first guide 4" can be substituted by the expression "first guide means 4".
  • the dragging element is advantageously a pin which enables oscillations of the drawer 3.
  • the dragging element is destined to be inserted in the first groove 40.
  • the first groove 40 has an important function in preventing the drawer 3 from tilting when the drawer 3 is partially extracted.
  • the first abutment 60 has an important anti-tilt function, as it prevents an excessive extraction of the drawer (with a consequently inevitable tilting).
  • the first protrusion 31 is a rigid element lacking in rotatable parts. It is realized in a single piece with at least a portion of the first lateral flank 35 of the drawer 3.
  • the first protrusion 31 is more greatly neared to the rear portion 76 with respect to the front portion 730.
  • the first protrusion 31 comprises:
  • the reinforcing tab 68 is interposed between the lateral surface 67 and the front portion 730 of the drawer 3.
  • the first guide 4 is heat-formed with remaining parts of the first wall 25.
  • the first guide 4 is realized in a single piece with adjacent parts of the first wall 25.
  • the first guide 4 in turn comprises a first and a second tract 41, 42 which are consecutive.
  • the second tract 42 is closer to the back wall 21 with respect to the first tract 41.
  • the second tract 42 projects downwards, distancing from the first tract 41 such as to define recall means 420 of the drawer 3 in the first configuration.
  • the second tract 42 develops between two points 43, 44 connected by a straight line that is inclined with respect to the horizontal by an angle comprised between 10° and 35°.
  • the first and/or the second tract 41, 42 are preferably straight.
  • the first tract 41 is horizontal.
  • the drawer 3 can translate horizontally.
  • the drawer 3 advantageously displaces downwards. In this way a complete insertion of the drawer 3 is ensured.
  • the cell 2 comprises a second guide 70 of the drawer 3 comprising a second groove 74.
  • the expression "second groove 70” can be replaced by the expression “second guide means 70".
  • the second flank 62 of the drawer 3 advantageously comprises a second protrusion which projects distancingly from the drawer 3 in an outwards direction.
  • the first protrusion 31 and the second protrusion are substantially symmetrical.
  • the second protrusion inserts in the second groove 74.
  • the first protrusion 31 and the second protrusion are part of a body realized in a single piece.
  • the second guide means 70 of the drawer 3 are heat-formed together with the second wall 26 (and the remaining parts of the cell 2).
  • the first lateral flank 35 of the drawer 3 comprises a first shelf 33 which develops along the first flank 35.
  • the first flank 33 comprises a first portion 331 and a second portion 332. At least in a presumed predetermined position of the drawer 3 internally of the cell 2, the first portion 331 is substantially parallel to the first tract 41 of the first groove 40 and the second portion 332 is substantially parallel to the second tract 42 of the first groove 40.
  • This predetermined position of the drawer 3 takes place advantageously when the platform 6 of the drawer 3 is substantially horizontal. During the extraction from the position of complete insertion up to the reaching of the endrun defined by the first abutment 60 the drawer 3 advantageously but not necessarily translates, remaining substantially parallel to itself.
  • the first portion 331 is more greatly neared to the rear portion 76 with respect to the second portion 332.
  • the first shelf 33 develops for more than two-thirds of the length of the first flank 35 of the drawer 3.
  • the first shelf 33 has a width comprised between 1 and 3 centimetres. In other words the first shelf 33 projects distancingly from the first flank 35 of the drawer 3 for a length comprised between 1 and 3 centimetres.
  • the first shelf 33 advantageously comprises a plurality of reinforcing ribs, The reinforcing ribs advantageously connect the first flank 35 of the drawer 3 and an upper surface of the shelf 33.
  • the apparatus 1 comprises a rotatable element 34 applied to the refrigerating cell 2.
  • the rotation axis of the rotatable element 34 remains fixed with respect to the cell 2.
  • the shelf 33 of the drawer 3 rests on the rotatable element 34; this enables reducing the friction and therefore the force exerted by the user to move the drawer 3.
  • An extraction run or an insertion run of the drawer 3 is accompanied by a displacement of the shelf 33 on the rotatable element 34.
  • the drawer 3 advantageously comprises a plurality of dragging slides 79 destined to slide along corresponding horizontal tracks 80 fashioned on the cell 2.
  • the slides 79 are used in the absence of the system based on shelves 33 and rotatable elements 34.
  • the second wall 26 comprises at least a heat-formed second guide 70 of the drawer 3.
  • One or more technical characteristics described with reference to the first protrusion 31 can advantageously be repeated for the second protrusion.
  • the drawer 3 is preferably symmetrical with respect to a plane of symmetry interposed between the first and the second flank 35, 62.
  • the first and the second guide 4, 70 are advantageously reciprocally symmetrical with respect to a plane of symmetry.
  • the drawer 3 is advantageously made of a plastic material, for example transparent crystal polystyrene GPPS. It is typically realized by moulding.
  • the invention enables optimising the components of an household appliance while optimising the costs and times connected with assembly.

Landscapes

  • 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)
  • Drawers Of Furniture (AREA)
EP13155229.1A 2012-02-17 2013-02-14 Kältegerät für Lebensmittel Withdrawn EP2629034A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000011A ITRN20120011A1 (it) 2012-02-17 2012-02-17 Apparato di refrigerazione.
IT000010A ITRN20120010A1 (it) 2012-02-17 2012-02-17 Apparato di refrigerazione di alimenti.

Publications (1)

Publication Number Publication Date
EP2629034A1 true EP2629034A1 (de) 2013-08-21

Family

ID=47678647

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13155229.1A Withdrawn EP2629034A1 (de) 2012-02-17 2013-02-14 Kältegerät für Lebensmittel

Country Status (1)

Country Link
EP (1) EP2629034A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3032201A1 (de) * 2014-12-09 2016-06-15 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder gefriergerät
CN113074492A (zh) * 2020-01-03 2021-07-06 博西华家用电器有限公司 一种家用器具

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4445288A1 (de) * 1994-12-19 1996-06-20 Bosch Siemens Hausgeraete Möbel, insbesondere Haushaltsmöbel
US5947573A (en) * 1997-11-12 1999-09-07 Whirlpool Corporation Refrigerator and compartment therefor
DE19858387A1 (de) * 1998-12-17 2000-06-21 Bsh Bosch Siemens Hausgeraete Kältegerät
WO2007119976A1 (en) * 2006-04-14 2007-10-25 Lg Electronics Inc. Refrigerator
DE102006040296A1 (de) * 2006-08-29 2008-03-06 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät und Auszugkasten dafür
WO2009076736A1 (en) * 2007-12-17 2009-06-25 Whirpool S.A. Mobile shelf for refrigerators and freezers

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4445288A1 (de) * 1994-12-19 1996-06-20 Bosch Siemens Hausgeraete Möbel, insbesondere Haushaltsmöbel
US5947573A (en) * 1997-11-12 1999-09-07 Whirlpool Corporation Refrigerator and compartment therefor
DE19858387A1 (de) * 1998-12-17 2000-06-21 Bsh Bosch Siemens Hausgeraete Kältegerät
WO2007119976A1 (en) * 2006-04-14 2007-10-25 Lg Electronics Inc. Refrigerator
DE102006040296A1 (de) * 2006-08-29 2008-03-06 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät und Auszugkasten dafür
WO2009076736A1 (en) * 2007-12-17 2009-06-25 Whirpool S.A. Mobile shelf for refrigerators and freezers

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3032201A1 (de) * 2014-12-09 2016-06-15 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl- und/oder gefriergerät
CN113074492A (zh) * 2020-01-03 2021-07-06 博西华家用电器有限公司 一种家用器具
EP3845845A1 (de) * 2020-01-03 2021-07-07 BSH Hausgeräte GmbH Haushaltsgerät
CN113074492B (zh) * 2020-01-03 2024-01-12 博西华家用电器有限公司 一种家用器具

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