EP3625419B1 - Dispositif de charnière multifonction - Google Patents

Dispositif de charnière multifonction Download PDF

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Publication number
EP3625419B1
EP3625419B1 EP18724545.1A EP18724545A EP3625419B1 EP 3625419 B1 EP3625419 B1 EP 3625419B1 EP 18724545 A EP18724545 A EP 18724545A EP 3625419 B1 EP3625419 B1 EP 3625419B1
Authority
EP
European Patent Office
Prior art keywords
pivot
connection
rocker arm
slider
door
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
EP18724545.1A
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German (de)
English (en)
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EP3625419A1 (fr
Inventor
Eros Gherardi
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.)
CMI Cerniere Meccaniche Industriali SRL
Original Assignee
CMI Cerniere Meccaniche Industriali SRL
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Publication date
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Priority to PL18724545T priority Critical patent/PL3625419T3/pl
Publication of EP3625419A1 publication Critical patent/EP3625419A1/fr
Application granted granted Critical
Publication of EP3625419B1 publication Critical patent/EP3625419B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
    • E05F1/1246—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis
    • E05F1/1269—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a traction spring
    • E05F1/1276—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a traction spring for counterbalancing
    • 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
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/71—Toothed gearing
    • E05Y2201/716—Pinions
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/71—Toothed gearing
    • E05Y2201/722—Racks
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/10—Additional functions
    • E05Y2800/102—Additional wing movements
    • 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
    • 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
    • E05Y2900/308—Application of doors, windows, wings or fittings thereof for domestic appliances for ovens

Definitions

  • the present invention is in the field of hinges for doors and hatches of appliances and household appliances, and relates to a multi-functional hinge device particularly suitable for ovens, dishwashers and appliances equipped with doors having horizontal, bottom hinge axes.
  • hinge devices having horizontal axes capable of balancing the weights of the doors to which they are fixed; or of slowing down the final portions of their closing or opening strokes; or of applying a static closing force to improve the sealing of the gaskets; or of providing metastable intermediate positions; or of slowing down the doors in the final portion of their closing strokes.
  • a drawback of such known hinge devices is that they can provide one or maximum two or three of the mentioned functionalities.
  • An object of the present invention is to provide a multi-functional hinge device that may be easily configured to provide a balancing of the weight of the door in conjunction with any combination of the following functionalities: moving the rotation axis towards the outside of the appliance during the opening thereof, slowing down the final portions of the closing and/or opening strokes, stabilizing the extreme opening and/or intermediate positions of the door, providing a "multi-balancing" capability, applying a static closing force to improve the sealing of the gaskets, providing metastable intermediate positions, and slowing down the door at least in the final portion of the closing stroke.
  • Another object is to provide a multi-functional hinge device, wherein the replacing or assembling of some parts enables to modify the functional parameters thereof.
  • a further object is to provide a hinge device that is compact and reliable.
  • numeral 1 indicates the multi-functional hinge device subject-matter of the present invention, comprising a first connection means 3, having an approximately rectangular shape or the shape of a quadrilateral, and having a mainly flat development, assigned to be fixed to a structure S or frame of an appliance, such as an oven; and a second connection means 5, approximately in the shape of an elongated rectangle, that is rotatable around its own pin-type hinge hub means 7, and assigned to be fixed to a door or hatch of the appliance to allow the opening and closing movements around the axis of device 1, i.e., of the respective hub means 7, between the extreme closing and opening conditions of said door.
  • the rotation axis of said hub means, 7 is horizontal and proximal to the lower portion of the vertical or nearly vertical mouth of the appliance, and the plane of the door in the closed condition is vertical or nearly vertical.
  • the rotation axis of the hub means 7 may also be horizontal and on the top, or vertical and lateral.
  • Device 1 comprises at least:
  • each of the guide means 41, 42 comprises a straight slot obtained in the first connection means 3, parallel to the internal and external directions, whereby in the closed conditions said slots are perpendicular with the geometrical plane defined by the door or hatch; each slot is slidably engaged by one or two guide pins fixed to the slider means 40.
  • connection of the slider means 40 to the rocker arm means 10 is preferably of a rack-and-pinion type; more specifically, the slider means 40 comprises a rack means 44 engaged with a pinion means 45 that is coaxial with the first pivot means 11 and constrained to the rocker arm means 10 so as to rotate integrally with the latter around the axis of the first pivot means 11.
  • the opening movement of the door or hatch causes a rotation of the rocker arm means 10 and of the pinion means 45, thus causing the translation of the slider means 40 and of the hub means 7 towards the outside of the appliance.
  • the elastic means 17 is in the form of a helical spring provided with final hooks and operates in tension.
  • One of the ends of the elastic means 17 is connected to the slider means 40 by means of a flexible means 12 engaged with a return pulley 16.
  • One end of the flexible means 12, consisting of a small steel cable, a cord or a small chain, for example, may be provided with a slot for an end hook of the elastic means 17 and the other end may be provided with a hook, a thimble, or the like, for the fixing with a pivot or through a hole of the slider means 40.
  • the end of the elastic means 17 opposed to the flexible means 12 is fixed or hooked to a swinging arm means 32 bearing a fourth pivot means 30 for the rotatable connection with one end of a nearly linear, elongated lever means 50.
  • the end opposite to the lever means 50 is rotatably connected with the connection means 3 by means of a fifth pivot means 52 parallel to the hub means 7.
  • the fifth pivot means 52 is approximately opposed to the second pivot means 13 in relation to the first pivot means 11; in other words, the first pivot means 11 is interposed between the fifth pivot means 52 and the second pivot means 13, and these three pivot means 13, 11, 52 are aligned or almost aligned, with one another.
  • At least one face of the swinging arm means 32 has an approximately triangular shape, or a "T"-shape, where the elastic means 17 and the fourth pivot means 30 are placed at respective ends of the swinging arm means 32, whose third end bears a matching means 33 of a sliding or rolling type.
  • the matching means 33 consisting in a runner or preferably in an idle wheel, for example, slides or rolls along a cam means 35 that is fixed to, or integral with, or preferably obtained from, a folded peripheral edge of the rocker arm means 10.
  • the elastic force of the elastic means 17 acts on the swinging arm means 32 with a component that presses the matching means 33 against the cam means 35 which is shaped to elastically counteract, at least in some portions, the opening and/or closing of the door or hatch of the appliance and not to counteract the movement of such hatch or door in the other portions.
  • the cam means 35 may have a main portion, corresponding to the conditions between an extreme opening position and a point near to the closing position, that is approximately shaped as a circular arc centred on the rotation axis of the first pivot means 11; and an active portion, corresponding to the nearly closing and extreme opening conditions, having an almost radial orientation, i.e., being oriented almost towards the first pivot means 11.
  • the lever means 50 is equipped with a friction means 54 that is fixed to the lever means 50 by means of a respective link pivot 53, and comprises a friction runner frictionally slidable along a circular, almost circular or otherwise-shaped portion of the cam means 35, i.e., slidable along said main portion of the latter.
  • the swinging arm means 32 transmits to the lever means 50 the elastic force of the elastic means 17, where one of its components acts on such lever means 50 by pressing the friction means 54 against the cam means 35, thus slowing down the door movements.
  • the main portion of the cam means may be shaped so as to vary the braking effect and increase it at some points by increasing the distance between said points and the geometric axis of the first pivot means 11, and vice versa.
  • the swinging arm 32 may comprise a second face, parallel to the triangular or "T"-shaped one, whereby the latter, or preferably the second face, may bear a first slot 24 approximately shaped as a circular arc centred on the rotation axis of the fourth pivot means 30, and assigned to slidably house, with some play, a respective constraint pivot fixed to the first connection means 3.
  • the first connection means 3 and the rocker arm means 10 are equipped with stop means 21, 22 assigned to the mutual contact in the extreme opening condition, to prevent the door from moving beyond said condition.
  • the first connection means 3 and the rocker arm means 10 may be equipped with friction means 21, 22 that are mutually frictionally slidable to slow down the movements of the door or hatch.
  • these stop and friction means comprise a sliding slot 22 approximately shaped as a circular-arc centred on the rotation axis of the first pivot means 11, and a sliding pivot 21, eventually equipped with a sleeve in a frictional material, engaged with or without friction with the sliding slot 22 where such sliding slot 22 and sliding pivot 21 are associated to the rocker arm means 10 and to the first connection means 3, respectively, or vice versa.
  • the end of the slider means 40 opposed to the hub means 7 bears a contact means 47, for example in the form of a shoulder or protrusion, assigned, at least in the final portion of the closing stroke, to lean against a movable end of at least one shock absorber means 60, e.g., of an oiled piston type, whose static portion is fixed to the first connection means 3, assigned to slow down at least the closing speed in said final portion.
  • a contact means 47 for example in the form of a shoulder or protrusion, assigned, at least in the final portion of the closing stroke, to lean against a movable end of at least one shock absorber means 60, e.g., of an oiled piston type, whose static portion is fixed to the first connection means 3, assigned to slow down at least the closing speed in said final portion.
  • the modular configurability and the possibility to modify the physical and/or dimensional parameters of the hinge device organs allow it to be suitable for fulfilling different working needs by only making slight changes, additions and/or replacements in the assembly step.

Landscapes

  • Hinges (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Claims (9)

  1. Dispositif de charnière multifonction ayant un premier moyen de liaison (3) destiné à être fixé à une structure ou un bâti d'un appareil ; et un second moyen de liaison (5), qui est apte à tourner autour de son propre moyen de moyeu de charnière (7), et destiné à être fixé à une porte ou une trappe de l'appareil pour permettre les mouvements d'ouverture et de fermeture entre les états de fermeture et d'ouverture extrêmes de ladite porte ; dans un état de fonctionnement, l'axe de rotation dudit moyen de moyeu (7) est horizontal, et le plan de la porte dans l'état fermé est vertical ou presque vertical ; ledit dispositif (1) comprend au moins :
    - un moyen de culbuteur (10) qui est contraint au premier moyen de liaison (3), à l'aide d'un premier moyen de pivot (11) parallèle au moyen de moyeu (7), de façon à tourner librement autour de l'axe du premier moyen de pivot (11), ledit moyen de culbuteur (10) portant un deuxième moyen de pivot (13) espacé du premier moyen de pivot (11) et parallèle à celui-ci ;
    - un moyen de bielle (14) ayant une extrémité qui est reliée au moyen de culbuteur (10) à l'aide du deuxième moyen de pivot (13), de façon à tourner librement autour de l'axe dudit deuxième moyen de pivot, et ayant l'extrémité opposée qui est reliée au second moyen de liaison (5) à l'aide d'un troisième moyen de pivot (15), parallèle au moyen de moyeu (7), de façon à tourner librement autour de l'axe dudit troisième moyen de pivot (15) ;
    - un moyen de coulisseau (40) qui est contraint au premier moyen de liaison (3) à l'aide d'un moyen de guidage (41, 42) pour le coulissement du moyen de coulisseau (40) vers l'intérieur et l'extérieur de l'appareil et qui porte le moyen de moyeu (7) à une extrémité externe de celui-ci (40) ; ledit moyen de coulisseau (40) étant relié au moyen de culbuteur (10) dont la rotation vers l'état de fermeture entraîne la translation du moyen de coulisseau (40) vers l'état interne ;
    - un moyen élastique (17) ayant une extrémité qui est reliée au premier moyen de liaison (3) et l'autre extrémité qui est reliée au moyen de coulisseau (40) ;
    dans lequel, dans les états d'équilibrage de porte de fonctionnement du dispositif 1, ledit moyen élastique (17) agit sur le moyen de coulisseau (40) avec une force élastique appliquée dans la même direction que la direction de fermeture ; ledit dispositif (1) étant caractérisé par le fait que l'une des extrémités du moyen élastique (17) est reliée au moyen de coulisseau (40) à l'aide d'un moyen flexible (12) engagé avec une poulie de renvoi (16) ; l'autre extrémité du moyen élastique (17) est fixée ou accrochée à un moyen de bras oscillant (32) portant un quatrième moyen de pivot (30) pour la liaison rotative avec une extrémité d'un moyen de levier (50), dont l'extrémité opposée est reliée de manière rotative au moyen de liaison (3) à l'aide d'un cinquième moyen de pivot (52) parallèle au moyen de moyeu (7).
  2. Dispositif selon la revendication 1, caractérisé par le fait que ledit moyen de coulisseau (40) comprend un moyen de crémaillère (44) engagé avec un moyen de pignon (45) qui est coaxial avec le premier moyen de pivot (11) et contraint au moyen de culbuteur (10) de façon à tourner d'un seul tenant avec ce dernier autour de l'axe du premier moyen de pivot (11) ; à l'aide du moyen de bielle (14), le mouvement d'ouverture de la porte ou de la trappe entraînant la rotation du moyen de culbuteur (10) et du moyen de pignon (45), entraînant ainsi la translation du moyen de coulisseau (40) et du moyen de moyeu (7) vers l'extérieur de l'appareil.
  3. Dispositif selon la revendication 1 ou 2, caractérisé par le fait que le moyen de levier (50) est presque linéaire.
  4. Dispositif selon l'une quelconque des revendications précédentes, caractérisé par le fait que le moyen de culbuteur (32) a une forme approximativement triangulaire ou une forme de "T", le moyen élastique (17) et le quatrième moyen de pivot (30) étant placés à des extrémités respectives du moyen de bras oscillant (32) dont la troisième extrémité porte un moyen de mise en correspondance (33) d'un type qui glisse ou roule le long d'un moyen de came (35) qui est fixé à, ou solidaire de, ou obtenu à partir d'un bord périphérique du moyen de culbuteur (10) ; la force élastique du moyen élastique (17) agissant sur le moyen de bras oscillant (32) avec une composante qui presse le moyen de mise en correspondance (33) contre le moyen de came (35) qui est formé pour agir élastiquement à l'encontre, au moins dans certaines parties, de l'ouverture et/ou la fermeture de la porte ou de la trappe de l'appareil et pour ne pas agir à l'encontre du mouvement de ladite trappe ou de ladite porte dans les autres parties.
  5. Dispositif selon la revendication 4, caractérisé par le fait que le moyen de levier (50) est équipé d'un moyen de frottement (54) qui est apte à coulisser avec frottement le long d'une partie du moyen de came (35) du moyen de culbuteur (10), le moyen de bras oscillant (32) transmettant au moyen de levier (50) la force élastique du moyen élastique (17), une composante dudit moyen élastique (17) agissant sur ledit moyen de levier (50) par appui du moyen de frottement (54) contre le moyen de came (35).
  6. Dispositif selon la revendication 1 ou 4, caractérisé par le fait que le moyen de bras oscillant (32) porte une première fente (24) approximativement en forme d'arc de cercle centré sur l'axe de rotation du quatrième moyen de pivot (30), et destinée à recevoir de manière coulissante, avec du jeu, un pivot de contrainte respectif fixé au premier moyen de liaison (3).
  7. Dispositif selon la revendication 5 ou 6, caractérisé par le fait que le moyen de frottement (54) est fixé au moyen de levier (50) à l'aide d'un pivot de liaison respectif (53).
  8. Dispositif selon l'une quelconque des revendications précédentes, caractérisé par le fait que le premier moyen de liaison (3) et le moyen de culbuteur (10) sont équipés de moyens d'arrêt (21, 22) destinés au contact mutuel au moins dans l'état d'ouverture extrême pour empêcher la porte de se déplacer au-delà dudit état ; et/ou le premier moyen de liaison (3) et le moyen de culbuteur (10) sont équipés de moyens de frottement (21, 22) qui glissent mutuellement avec frottement pour ralentir les mouvements de la porte ou de la trappe ; lesdits moyens d'arrêt et de frottement comprenant une fente coulissante (22) approximativement en forme d'arc de cercle centré sur l'axe de rotation du premier moyen de pivot (11), et un pivot coulissant (21) engagé avec ou sans frottement avec la fente coulissante (22), ladite fente coulissante (22) et ledit pivot coulissant (21) étant associés au moyen de culbuteur (10) et au premier moyen de liaison (3), respectivement, ou inversement.
  9. Dispositif selon l'une quelconque des revendications précédentes, caractérisé par le fait que l'extrémité du moyen de coulisseau (40) opposée au moyen de moyeu (7) porte un moyen de contact (47) destiné, au moins dans la partie finale de la course de fermeture, à s'appuyer contre une extrémité mobile d'au moins un moyen d'amortisseur (60), dont la partie statique est fixée au premier moyen de liaison (3), destiné à ralentir au moins la vitesse de fermeture dans ladite partie finale.
EP18724545.1A 2017-05-18 2018-05-14 Dispositif de charnière multifonction Active EP3625419B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18724545T PL3625419T3 (pl) 2017-05-18 2018-05-14 Głowica goląca

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102017000053708A IT201700053708A1 (it) 2017-05-18 2017-05-18 Dispositivo a cerniera multifunzionale
PCT/EP2018/062413 WO2018210768A1 (fr) 2017-05-18 2018-05-14 Dispositif de charnière multifonction

Publications (2)

Publication Number Publication Date
EP3625419A1 EP3625419A1 (fr) 2020-03-25
EP3625419B1 true EP3625419B1 (fr) 2021-08-04

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EP18724545.1A Active EP3625419B1 (fr) 2017-05-18 2018-05-14 Dispositif de charnière multifonction

Country Status (5)

Country Link
EP (1) EP3625419B1 (fr)
ES (1) ES2886847T3 (fr)
IT (1) IT201700053708A1 (fr)
PL (1) PL3625419T3 (fr)
WO (1) WO2018210768A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1267455B1 (it) * 1994-09-13 1997-02-05 Merloni Elettrodomestici Spa Cerniera a fulcro traslabile per apparati elettrodomestici, in particolare forni di cottura.
DE102011050914A1 (de) * 2011-06-08 2012-12-13 Miele & Cie. Kg Geschirrspülmaschine
ITUB20152915A1 (it) * 2015-08-05 2017-02-05 C M I Cerniere Mecc Industriali Srl Dispositivo a cerniera con lunga traslazione di un pannello frontale

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ES2886847T3 (es) 2021-12-21
PL3625419T3 (pl) 2021-12-13
WO2018210768A1 (fr) 2018-11-22
EP3625419A1 (fr) 2020-03-25
IT201700053708A1 (it) 2018-11-18

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