EP2093360B1 - Scharniervorrichtung für Haushaltsgeräte - Google Patents

Scharniervorrichtung für Haushaltsgeräte Download PDF

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Publication number
EP2093360B1
EP2093360B1 EP08101781.6A EP08101781A EP2093360B1 EP 2093360 B1 EP2093360 B1 EP 2093360B1 EP 08101781 A EP08101781 A EP 08101781A EP 2093360 B1 EP2093360 B1 EP 2093360B1
Authority
EP
European Patent Office
Prior art keywords
door
hinge
hinge device
plate
hinge plate
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.)
Ceased
Application number
EP08101781.6A
Other languages
English (en)
French (fr)
Other versions
EP2093360A1 (de
Inventor
Edgar Spiegel
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 Corp
Original Assignee
Whirlpool 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 Whirlpool Corp filed Critical Whirlpool Corp
Priority to PL08101781T priority Critical patent/PL2093360T3/pl
Priority to EP08101781.6A priority patent/EP2093360B1/de
Priority to PCT/EP2009/051453 priority patent/WO2009103627A1/en
Publication of EP2093360A1 publication Critical patent/EP2093360A1/de
Application granted granted Critical
Publication of EP2093360B1 publication Critical patent/EP2093360B1/de
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/02—Hinges with pins with one pin
    • E05D3/022—Hinges with pins with one pin allowing an additional lateral movement, e.g. for sealing
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4251—Details of the casing
    • A47L15/4257—Details of the loading door
    • A47L15/4261—Connections of the door to the casing, e.g. door hinges
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/304—Application of doors, windows, wings or fittings thereof for domestic appliances for dishwashers

Definitions

  • the present invention relates to the field of household appliances, in particular dishwashers. More particularly, the present invention concerns an improved hinge device for operatively connecting the door and the main body of the appliance.
  • the appliance since the appliance has to be inserted in an environmental context that is different from time to time, its structure needs often to be arranged in order to properly match with the surrounding furniture.
  • adjustable plinth elements or removable spacers are commonly used.
  • aesthetic door panels are often used to provide the exterior of the appliance with a design that aesthetically matches with the design lines of neighbouring pieces of furniture.
  • the height of the appliance structure or body may be varied but this choice introduces severe constraints for a correct matching of the appliance with the surrounding furniture, particularly when a common working plane is to be arranged.
  • some known appliances have been provided with relatively complex gear mechanisms to operatively connect the door and the main body of the appliance. Thanks to these hinge mechanisms, the door can move according to a rotational and translational trajectory with respect to main body of the appliance.
  • Swiss patent application nr. CH683886A5 discloses a hinge mechanism comprising a support plate, which is fixed to the main body of the appliance, and a hinge plate, which is fixed to the appliance door.
  • the support plate is provided with a rotation pin that is accommodated on an elongated and curved slot of the hinge plate. The rotation of the door determines the rotation of the hinge plate. This causes the relative sliding movement of the rotation pin along the slot. In this manner a rotational and translational movement of the door is ensured.
  • This kind of hinge device has the drawback that both the hinge plate and the rotation pin are subject to severe friction phenomena, since the whole weight of the door is loaded on the rotation pin. This fact may imply the need of frequent maintenance or adjustment interventions to ensure a reliable and precise movement of the door.
  • the main aim of the present invention is to provide a hinge device for a household appliance, in particular a dishwasher, which allows the overcoming of the above mentioned drawbacks.
  • the present invention provides a hinge device for a household appliance, according to the claim 1 that is proposed in the following.
  • the hinge device comprises a support plate, which is solidly connected to the main body of the appliance and a hinge plate, which is operatively connected to said support plate.
  • the hinge devices comprises lever means, which are rotationally connected to said support plate and are slidingly connected to the appliance door.
  • Said lever means are arranged to force the door to move according to a rotational and translational trajectory with respect to the main body of the appliance.
  • the appliance structure can thus be arranged with less severe constraints, thereby obtaining an improved and easier integration with the surrounding furniture, with considerable advantages from the ergonomic and aesthetic point of view.
  • the hinge device has a simple and robust structure and it is quite easy to manufacture and install at industrial level.
  • the present invention relates to a hinge device 100 for operatively connecting the main body 10 and the door 11 of a household appliance 1.
  • the household appliance 1 is preferably a dishwasher.
  • the hinge device 100 might be used in other kinds of appliances, such as dryers, washing machines, ovens, and the like.
  • the main body 10 of the appliance 100 preferably comprises a plinth 12 and an upper portion 13, which define an internal volume 130 that can be accessed by the user through the door 11.
  • the door 11 preferably comprises an inner portion 110 and one or more external aesthetic panels 111.
  • the panels 111 advantageously extend towards the ground, well beyond the position of hinge device 100, so as to cover at least a portion of the plinth 12.
  • the hinge device 100 comprises at least a support plate 101, which is solidly connected to the main body 10.
  • the permanent connection of the plate 101 to the body 10 is ensured by properly arranged first connecting means 14, e.g. by a plurality of rivets.
  • the hinge device 100 comprises also a hinge plate 103, which is operatively connected to the support plate 101.
  • the hinge plate 103 is rotationally connected to the support plate 101 and slidingly connected to the door 11.
  • the hinge plate 103 has a first portion 1031, which is rotationally connected with a first pin member 1011A of the support plate 102, at a first rotation point 101A.
  • a half-circular open slot 1031A is advantageously present for accommodating at least partially the first pin member 1011 A.
  • the first portion 1031 comprises also a curved open slot 1031B, which is substantially vertically oriented and extends from the lower edge towards the centre of the portion 1031.
  • the slot 1031B is aimed at accommodating a second pin member 1011B of the support plate, during the rotation of the hinge plate 103 around the first pin member 1011A.
  • the second pin member 1011 B can slide within the slot 1031B, thereby avoiding a translational movement of the hinge plate 103 with respect to the support plate 101.
  • the hinge plate 103 is also provided with a second portion 1032, which is solid with the first portion 1031 and which is slidingly connected with the door 11, in particular with its inner portion 110.
  • the second portion 1032 comprises an elongated slot 1032A, which extends in a direction substantially parallel to the door 11 and accommodates a connecting member 104.
  • Said connecting member is solidly fixed to the inner portion 110 of the door 11 and cooperates with said elongated slot to provide the sliding connection of said second portion 1032 to the door 11.
  • said connecting member since the hinge plate is operatively connected to the support plate 101, said connecting member cooperates with the contour 1032B of said elongated slot to slidingly bear the door weight.
  • the connecting member 104 may be in principle a single rivet or other equivalent second connecting means.
  • the connecting member 104 is provided with an elongated body, which is solidly connected to the door 11 by means of rivets 1041A and 1042B, respectively at the connecting points 1041 and 1042. This allows the achievement of a better distribution of the effort needed to bear the door weight.
  • the hinge plate 103 comprises also a third portion 1033, which connects the first portion 1031 and the second portion 1032.
  • the third portion 1033 is properly shaped, so as to conform to the shaped of the inner door 110, thereby making easier the sliding of the hinge plate 103 with respect to the door 11.
  • the hinge plate 103 preferably comprises also a fourth portion 1034, which comprises hook means 1034A for the connection of the hinge plate 103 with a spring, or other known equivalent elastic means (not shown) that are connected to the main body 10.
  • a fourth portion 1034 which comprises hook means 1034A for the connection of the hinge plate 103 with a spring, or other known equivalent elastic means (not shown) that are connected to the main body 10.
  • the hinge device 100 comprises also lever means 102, which are rotationally connected to the support plate 101 and which are solidly connected to the door 11, optionally through connecting member 104.
  • the lever means 102 may comprise a properly arranged kinematic chain, which is aimed at enabling the transmission of forces between the support plate 101 (and therefore the main body 10) and the door 11.
  • the lever means 102 comprise a lever arm, which is properly shaped to determine a translational movement of the door 11 during its rotation.
  • the lever arm 102 has a first end 1021 that is rotationally connected to the support plate 101.
  • the first end 1021 is connected to the second pin member 1011B, at a second rotating point 101B.
  • This solution offers the advantage of ensuring an easy installation and positioning of the hinge plate 103. To this aim, it is in fact sufficient to accommodate the pin members 1011A and 1011B, respectively within the open slots 1031A and 1031B, and the connecting member 104 within the elongated slot 1032A.
  • the lever arm 102 is solidly connected to the door 11, particularly to its inner portion 110, at a second end 1022.
  • the second end 1022 is connected by means of the connecting member 104 which are fixed to the door 11, so as to ensure an efficient transmission of forces between the main body 10 and the door 11, during its opening.
  • the second end 1022 is advantageously connected at one of its connecting points 1041 or 1042 by means of a screw 1041A or 1042B. Rivets can also be used instead of screws.
  • the second end 1022 of the lever arm 102 exerts on the door 11 a force F2, which tends to move the door 11 with a translational movement, away from the main body 10.
  • F2 the actual entity of said translational movement is determined by the shape of the arm 102 and the positioning of the second rotating point 101B.
  • the force F2 is basically due to the constraining reaction arising at the second pin member 1011B when the force F1 is applied.
  • the translational movement of the door 11 is made possible by the relative sliding connection between the hinge plate 102, which remains anchored to the support plate 102, and the door 11.
  • the connecting member 104 moves relatively with respect to the hinge plates 103 along the elongated slot 1032A, with a linear movement.
  • the combined action of the forces F1 and F2 forces the door 11 to perform a rotational and translational movement with respect to the first point of rotation represented by the first pin member 1011A.
  • the bottom portion 111A of the aesthetic panel 111 can move along a trajectory 50 that is a portion of an arc, which preferably elliptic. In this way, the volume occupied by the bottom portion 111A is quite lowered.
  • the door 11 performs a substantially opposite rotational and translational movement. Also, the various parts of the hinge device 100 moves substantially in an opposite way with respect to the opening movement of the door 11.
  • the hinge device 100 has proven to fulfil the intended aims and objects.
  • the rotational and translational movement of the door 11, with a trajectory 50 that is not circular but, preferably, elliptic, allows to reduce the volume occupied by the door 11, particularly by the lower portion 111A of the aesthetic panels.
  • the appliance 1 may thus be provided with a larger internal volume 103, longer aesthetic panels 111 and a deeper line for the plinth 12.
  • the hinge device 100 has a simple and robust structure, which is easy to install on the appliance.
  • the hinge plate 103 may be easily positioned between the pins 1011A-1011B and the connecting member 104.
  • the hinge device 100 allows to remarkably reduce the arising of friction phenomena during the movement of the door, thanks to an improved distribution of the effort needed for bearing the door weight.
  • hinge device is outstanding simple and has proven to be easy to manufacture at industrial level, at competitive costs.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hinges (AREA)

Claims (6)

  1. Eine Scharniervorrichtung (100) zum betriebsmäßigen Verbinden einer Tür (11) und eines Hauptkörpers (10) von einem Haushaltsgerät (1), die besagte Scharniervorrichtung weist zumindest eine Stützplatte (101), die fest mit dem besagten Hauptkörper verbunden ist, und eine Scharnierplatte (103), die drehbar mit der besagten Stützplatte über ein erstes Bolzenteil (1011 A) von der Scharnierplatte (103) an einem ersten Drehpunkt (101A) verbunden ist, auf, dadurch gekennzeichnet, dass die Scharnierplatte (103) einen gekrümmtem Schlitz (1031 B) aufweist, in welchen ein zweites Bolzenteil (1011 B) von der Scharnierplatte (103) während der Bewegung von der besagten Scharnierplatte aufgenommen ist, und dadurch dass sie Hebelmittel (102) aufweist, welche drehbar an einem Ende mit dem besagten zweiten Bolzenteil (1011 B) an einem zweiten Rotationspunkt (101 B) und an einem anderen Ende mit einem länglichen Körper, der ein Verbindungsteil (104) bildet, das mit der besagten Tür verbunden ist und sich in einem länglichen Schlitz (1032A) von der Scharnierplatte (103) verschiebt, verbunden sind.
  2. Eine Scharniervorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, dass die Scharnierplatte (103) an ihrer unteren Kante einen halbkreisförmigen Schlitz (1031 A) aufweist, der konfiguriert ist, um mit dem besagten ersten Bolzenteil (1011 A) zusammenzuwirken.
  3. Eine Scharniervorrichtung gemäß Anspruch 1 oder 2, dadurch gekennzeichnet, dass die besagte Scharnierplatte (103) verschiebbar mit der besagten Tür verbunden ist.
  4. Eine Scharniervorrichtung gemäß einem oder mehreren der vorangegangenen Ansprüche, dadurch gekennzeichnet, dass das besagte Verbindungsteil (104) konfiguriert ist, um zu erzwingen, dass die Tür sich relativ zu dem besagten Verbindungsteil entlang einer linearen Richtung verschiebt.
  5. Eine Scharniervorrichtung gemäß Anspruch 4, dadurch gekennzeichnet, dass der besagte längliche Körper von dem Verbindungsteil (104) mit der besagten Tür an einer Vielzahl von Verbindungspunkten (1041, 1042) fest verbunden ist.
  6. Eine Geschirrspülmaschine dadurch gekennzeichnet, dass sie eine Scharniervorrichtung (1) gemäß einem oder mehreren der vorangegangenen Ansprüche aufweist.
EP08101781.6A 2008-02-20 2008-02-20 Scharniervorrichtung für Haushaltsgeräte Ceased EP2093360B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL08101781T PL2093360T3 (pl) 2008-02-20 2008-02-20 Urządzenie zawiasowe do urządzenia gospodarstwa domowego
EP08101781.6A EP2093360B1 (de) 2008-02-20 2008-02-20 Scharniervorrichtung für Haushaltsgeräte
PCT/EP2009/051453 WO2009103627A1 (en) 2008-02-20 2009-02-09 Hinge device for a household appliance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08101781.6A EP2093360B1 (de) 2008-02-20 2008-02-20 Scharniervorrichtung für Haushaltsgeräte

Publications (2)

Publication Number Publication Date
EP2093360A1 EP2093360A1 (de) 2009-08-26
EP2093360B1 true EP2093360B1 (de) 2015-09-16

Family

ID=39628981

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08101781.6A Ceased EP2093360B1 (de) 2008-02-20 2008-02-20 Scharniervorrichtung für Haushaltsgeräte

Country Status (3)

Country Link
EP (1) EP2093360B1 (de)
PL (1) PL2093360T3 (de)
WO (1) WO2009103627A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1399574B1 (it) * 2010-04-13 2013-04-19 Veneta Cucine S P A Dispositivo di apertura, particolarmente per un elettrodomestico incassato.
PL2904955T3 (pl) * 2014-02-10 2017-06-30 Bonferraro S.P.A. Urządzenie domowe do zabudowy z panelem dekoracyjnym nałożonym na drzwiczki

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH683886A5 (de) 1991-06-21 1994-06-15 Electrolux Ag Tür für Haushaltapparate, sowie Haushaltapparat mit einer abklappbaren Tür.
US5931554A (en) * 1997-08-29 1999-08-03 General Electric Company Refrigerator door stop
US7150071B2 (en) * 2003-03-05 2006-12-19 Mansfield Assemblies Co. Breakaway hinge system for appliance door

Also Published As

Publication number Publication date
PL2093360T3 (pl) 2015-12-31
WO2009103627A1 (en) 2009-08-27
EP2093360A1 (de) 2009-08-26

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