EP3969708B1 - Kompakte und gedämpfte scharniervorrichtung - Google Patents

Kompakte und gedämpfte scharniervorrichtung Download PDF

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Publication number
EP3969708B1
EP3969708B1 EP20732492.2A EP20732492A EP3969708B1 EP 3969708 B1 EP3969708 B1 EP 3969708B1 EP 20732492 A EP20732492 A EP 20732492A EP 3969708 B1 EP3969708 B1 EP 3969708B1
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EP
European Patent Office
Prior art keywords
connection means
elastic
sliding direction
sliding
abutment
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Active
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EP20732492.2A
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English (en)
French (fr)
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EP3969708A1 (de
Inventor
Emanuele TERENZI
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CMI Cerniere Meccaniche Industriali SRL
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CMI Cerniere Meccaniche Industriali SRL
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Publication of EP3969708A1 publication Critical patent/EP3969708A1/de
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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
    • E05F1/1253—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a compression spring
    • E05F1/1261—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a compression spring for counterbalancing
    • 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
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
    • 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
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/404—Function thereof
    • E05Y2201/41—Function thereof for closing
    • E05Y2201/412—Function thereof for closing for the final closing movement
    • 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
    • E05Y2900/304—Application of doors, windows, wings or fittings thereof for domestic appliances for dishwashers
    • 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 part of the sector concerning hinges for appliances and household appliances such as ovens, dishwashers and the like and refers in particular to a compact and dampened hinge device for the swivelling connection of a door to a respective appliance to allow its closing and opening and able to provide the door, in its initial opening or ending closing ways, with an additional modulable elastic force capable of damping the speed of the final closing rotation.
  • hinge devices capable of modulating the elastic forces acting on a respective door and which can dampen the travel thereof.
  • a drawback of such known devices consists in the fact that they are generally of large dimensions and complex axes.
  • hinged devices Another drawback of such hinged devices consists in the fact that they often have a not very smooth operation and are subject to jamming and/or not sufficiently regular rotations.
  • a further drawback of such hinge devices consists in the fact that the elastic and damping forces transmittable to the door are correlated and not independent.
  • An object of the present invention is to propose a compact and dampened hinge device which can also be installed in household appliances and appliances having little space available for the hinge device itself.
  • Another object is to propose a hinge device with a smooth and regular operation.
  • a further object is to propose a hinge device in which the elastic forces can be decoupled from the rotation damping forces to act on the door with elastic forces independently from the damping of the rotation thereof.
  • numeral 1 indicates the compact and dampened hinge device, object of the present invention, for hatches, shutters, flaps, doors and the like, of appliances, household appliances, furniture, furnishings and the like, below collectively indicated also with the only term “appliances” alone.
  • the device 1 comprises a first connection means 3 assigned to be fixed to an hatch or shutter for rotation of the latter between the closed and totally opened conditions of said appliance, household appliance or the like and swivelling connected, by means of a hinge pin 4, to a second connection means 5 assigned to be fixed to a structure or frame of an appliance, household appliance or the like.
  • the device 1 comprises at least a first elastic means 7, consisting for example in a helical spring operating in compression between the first connection means 3 and the second connection means 5, to which such spring is connected by means of transmission means comprising a spring mean and a sliding element to transmit to the first connection means 3, and then to the door, an elastic torque directed towards the closed condition of the household appliances or appliance and of the hinge device 1.
  • a first elastic means 7 consisting for example in a helical spring operating in compression between the first connection means 3 and the second connection means 5, to which such spring is connected by means of transmission means comprising a spring mean and a sliding element to transmit to the first connection means 3, and then to the door, an elastic torque directed towards the closed condition of the household appliances or appliance and of the hinge device 1.
  • Said device 1 further comprises a damper element 11 of the linear type, for example comprising a tubular cylinder whose cavity contains a viscous fluid, a piston sliding in the cylinder and equipped with a rod protruding from the cylinder, valve and/or drawbench elements and an elastic means which applies to the piston and to the rod a moderate extension force of the rod itself with respect to the cylinder so that in the absence of opposite forces the rod protrudes to a maximum extent from the cylinder.
  • a damper element 11 of the linear type for example comprising a tubular cylinder whose cavity contains a viscous fluid, a piston sliding in the cylinder and equipped with a rod protruding from the cylinder, valve and/or drawbench elements and an elastic means which applies to the piston and to the rod a moderate extension force of the rod itself with respect to the cylinder so that in the absence of opposite forces the rod protrudes to a maximum extent from the cylinder.
  • the damper element 11 has a longitudinal geometric axis and one of its first ends is connected to the first connection means 3, for example and as illustrated, by means of the aforementioned sliding element.
  • the damper element 11 first end can be connected to the second connection means 5 directly or through interconnecting means.
  • the damper element 11 second end is assigned to match with an abutment element 13 sliding in a sliding direction approximately aligned or parallel to the axis of the damper element 11.
  • Such movement of the abutment element 13 takes place by means of a translating means 15 sliding in said sliding direction which is operated, at least in the terminal closing phase of the door and/or in other rotation phases, by at least one offset element 17 transversely fixed to the second connection means 5 at a respective predetermined distance from the hinge pin 4.
  • the offset element 17 matches with the translating means 15 making it slide together with the abutment element 13 into the sliding direction compressing the damper element 11 which brakes the rotation of the door in such angular sector.
  • the second connection means 5 carries a cam element 21 fixed to or made in the second connection means 5 and the device comprises a spinning element 23 elastically pressed in the sliding direction by a second elastic means 19 which, at least in an angular sector of the door rotation, transmits its elastic force to the cam element 21 by means of the spinning element 23.
  • the profile and the angular positioning of the cam element 21, which can be single or multiple, allow the second elastic means to impart to the second connection means 5, by means of the spinning element 23, a force whose intensity and whose orientation, towards closing or opening, depend on the characteristics of the compressed helical spring of the second elastic element and on the position and shape of the cam element 21 profile thanks to which it is possible to impart closing or opening forces to the door or of metastable positioning in angular sectors of the rotation of the hinge which can be determined, with great freedom, according to needs and applications.
  • the first elastic means 7 transmits its elastic force to a connecting pin 27 fixed to the second connection means 5 at a respective predetermined distance from the hinge pin 4 and fixed to one end of a tie-rod element 29, that is the sliding element cited above, to which the first elastic means 7 is connected.
  • This tie-rod element 29 slides approximately in the sliding direction within the first connection means 3. While the force of the first elastic means is always directed towards closure, the force of the second elastic means can be directed towards the closure or the opening and therefore it can be concordant or opposed to the strength of the first elastic means by increasing or reducing it.
  • the portion of the tie-rod element 29 opposite the connecting pin 27 carries or, preferably and as illustrated, has a seat element 31 bound thereto and the portion of the tie-rod element 29 carrying the connecting pin 27 has or, preferably and as illustrated, contains a support element 33 having at its own end, a rotation axis 22 of the spinning element 23, this axis 22 protrudes from the support element 33 housing holes and is slidingly engaged in slots 24 elongated in the sliding direction made in the tie-rod element 29.
  • the second elastic means 19 consists of a helical spring compressed between a shoulder 35 of the seat element 31 and another shoulder 37 of the support element 33.
  • the seat element 31 houses the first end of the damper element 11 which is coaxial with the second elastic means 19.
  • the first connection means 3 has a box-shaped elongated shape in the sliding direction and has at one end housings 6 for fixing the hinge pin 4 and its opposite end comprises a striker or abutment, for example consisting of its terminal face, for one end of the first elastic means 7 with helical spring.
  • a striker or abutment for example consisting of its terminal face, for one end of the first elastic means 7 with helical spring.
  • Such end or striker or abutment or face of the first connection means 3 has an opening passing through the sliding of a spring mean 43 having one end connected to the opposite end of the first elastic means 7.
  • the other and opposite end of the spring mean 43 has a fixing pin 45, the ends of which are fixed in respective seat holes made in the end of the tie-rod element 29 opposite the end carrying the connecting pin 27.
  • Such ends of the fixing pin 45 are also slidably housed in respective slots 44 elongated along the sliding direction and made in the end of the first connection means 3 opposite to its end carrying the housing 6 for the hinge pin 4.
  • the fixing pin 45 is preferably engaged in a hole or attachment of the seat element 31.
  • the support element 33 is made of cut sheet metal or other folded or "U” shaped squared and elongated material whose bottom or middle portion forms the respective shoulder 37 and whose ends carry holes for the rotation axis 22 of the spinning element 23.
  • the translating means 15 is made of cut sheet metal or other material, and a transverse dimension smaller than the space within the support element 33 which slidingly houses it and has a lateral profile approximately in side by side pairs of "V" or "L” where a pair of parallel arms houses the respective elongated slots 16 and the other pair of arms carries flat or shaped surfaces of sliding or rolling contact with the ends of the offset element 17 carrying respective sliding or rolling elements.
  • the abutment element 13 and the seat element 31 for the respectively second and first end of the damper element 11 are equipped with respective sliding seats parallel to the sliding direction and assigned to house an alignment rod 49.
  • intervention sectors of the damper element 11 and of the second elastic means 19 are respectively determined by the offset element 17 and by the cam element 21 and therefore they are not necessarily correlated or linked but are completely independent.
  • the hinge can be connected to the appliance in an opposite way that is with the first connection means 3 fixed to the structure or frame and the second attachment means 5 fixed to the hatch while remaining within the scope of the present invention.

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Pivots And Pivotal Connections (AREA)

Claims (7)

  1. Kompakte und gedämpfte Scharniervorrichtung für eine Anwendung, umfassend ein erstes Verbindungsmittel (3) das zugeordnet ist, um an einer Luke oder Klappe zur Drehung letzterer zwischen einem geschlossenen und einem vollständig geöffneten Zustand der Anwendung befestigt zu werden und das mittels eines Scharnierstifts schwenkend mit einem zweiten Verbindungsmittel (5) verbunden ist, das zugeordnet ist, um an der Struktur oder dem Rahmen der Anwendung befestigt zu werden; wobei die Vorrichtung (1) mindestens ein erstes elastisches Mittel (7) umfasst, das mit dem ersten Verbindungsmittel (3) und dem zweiten Verbindungsmittel (5) verbunden ist, um ein in Richtung des geschlossenen Zustands der Scharniervorrichtung (1) gerichtetes elastisches Drehmoment auf das erste Verbindungsmittel (3) zu übertragen; die Vorrichtung (1) umfasst ein Dämpfungselement (11) einer linearen Art mit einer geometrischen Längsachse und einem ersten Ende, das mit mindestens dem ersten Verbindungsmittel (3) oder dem zweiten Verbindungsmittel (5), entweder direkt oder mittels eines damit verbundenen Elements (3, 5) verbunden ist, das zweite Ende des Dämpfungselements (11) ist zugeordnet, um ein Anschlagelement (13) zu berühren, das in einer zu der Achse des Dämpfungselements (11) ausgerichteten oder dazu parallelen Schieberichtung verschiebbar ist, aufgrund der Auswirkung eines Übertragungsmittels (15), das verschiebbar in der Schieberichtung ist und zumindest in der abschließenden Schließphase der Türe durch mindestens ein Versatzelement (17) betätigt wird, das mit dem zweiten Verbindungsmittel (5) mit einem entsprechenden festgelegten Abstand zu dem Scharnierstift (4) befestigt ist; in mindestens einem Winkelsektor der Türdrehung trifft das Versatzelement (17) auf das Übertragungsmittel (15), wodurch dieses zusammen mit dem Anschlagelement (13) in der Schieberichtung verschoben wird, sodass das Dämpfungselement (11) komprimiert wird, was die Drehung der Tür in diesem Winkelsektor unterbricht; das zweite Verbindungsmittel (5) trägt ein Nockenelement (21) das befestigt ist an oder gebildet ist in dem zweiten Verbindungsmittel (5) und es umfasst ein Schnelldrehelement (23), das durch ein zweites elastisches Mittel (19) elastisch in die Schieberichtung gedrückt wird, welches zumindest in einem Winkelsektor der Türdrehung seine elastische Kraft auf das Nockenelement (21) mittels des Schnelldrehelements (23) überträgt; das erste elastische Mittel (7) überträgt seine elastische Kraft auf einen Verbindungsstift (27), der an dem zweiten Verbindungsmittel (5) in einem entsprechenden festgelegten Abstand zu dem Scharnierstift (4) befestigt ist und an einem Ende eines Zuganker-Elements (29) befestigt ist, mit dem das erste elastische Mittel (7) verbunden ist, dieses Zuganker-Element (29) ist in die ungefähre Schieberichtung zusammen mit oder innerhalb des ersten Verbindungsmittels (3) verschiebbar; und die Vorrichtung ist dadurch gekennzeichnet, dass der Bereich des Zuganker-Elements (29) gegenüber des Verbindungsstifts (27) ein Gehäuseelement (31) enthält oder lagert, das mit ihm verbunden ist und der Bereich des Zuganker-Elements (29), das den Verbindungsstift (27) lagert, enthält oder lagert ein Trägerelement (33), das an einem Ende eine Drehachse (22) des Schnelldrehelements (23) aufweist, diese Achse (22) ist verschiebbar in Schlitzen (24) aufgenommen, die sich in der Schieberichtung erstrecken und in dem Zuganker-Element (29) ausgebildet sind; das zweite elastische Mittel (19) besteht aus einer schraubenförmigen Feder, die zwischen zwei Schultern (35, 37), eine (35) des Gehäuseelements (31) und die andere (37) des Trägerelements (33), zusammengedrückt wird.
  2. Vorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, dass das Gehäuseelement (31) das erste Ende des Dämpfungselements (11) aufnimmt, welches koaxial mit dem zweiten elastischen Mittel (19) ist, mindestens das zweite Ende des Dämpfungselements (11) tritt durch eine Öffnung (39), die in der Schulter (37) des Trägerelements (33) gebildet ist, das Anschlagelement (13) ist verschiebbar aufgenommen in oder verschiebt sich entlang des Trägerelements (33), das Anschlagelement (13) steht in Eingriff mit dem entsprechenden Ende des Übertragungsmittels (15), das entsprechende Schlitze (16) aufweist, die sich entlang der Schieberichtung erstrecken und verschiebbar sind und mit der Drehachse (22) des Schnelldrehelements (23) in Eingriff stehen.
  3. Vorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, dass das erste Verbindungsmittel (3) eine kastenähnliche Form aufweist, die sich in der Schieberichtung erstreckt und an einem Ende Aufnahmen (6) zum Befestigen des Scharnierstifts (4) trägt und ihr gegenüberliegendes Ende umfasst einen Anschlag oder Stopper für ein Ende des ersten elastischen Mittels (7) der Schraubenfederart und dieses Ende oder dieser Anschlag weist eine Öffnung zum Schieben eines Federmittels (43) auf, dessen eines Ende mit dem gegenüberliegenden Ende des ersten elastischen Mittels (7) verbunden ist, das verbleibende Ende des Federmittels (43) trägt einen Befestigungsstift (45), dessen Enden in entsprechenden Aufnahmelöchern befestigt sind, die in dem Ende des Zuganker-Elements (29) gegenüber des Endes, das den Verbindungsstift (27) trägt, gebildet sind.
  4. Vorrichtung gemäß Anspruch 3, dadurch gekennzeichnet, dass die Enden des Befestigungsstifts (45) verschiebbar in entsprechenden Schlitzen (44) aufgenommen sind, die entlang der Schieberichtung gestreckt sind und an dem Ende des ersten Verbindungsmittels (3) gegenüber seines Endes, das die Aufnahmen (6) für den Scharnierstift (4) lagert, gebildet sind.
  5. Vorrichtung gemäß Anspruch 3, dadurch gekennzeichnet, dass der Befestigungsstift (45) in ein Loch oder einen Aufsatz des Gehäuseelements (31) eingreift.
  6. Vorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, dass das Trägerelement (33) aus einem geschnittenen Metallblech oder einem anderen Material hergestellt ist, das in Form eines eckigen oder gestreckten "U" gefaltet oder geformt ist, dessen unterer oder mittlerer Bereich die entsprechende Schulter (37) bildet und dessen Enden Löcher für die Drehachse (22) des Schnelldrehelements (23) aufweist; das Übertragungsmittel (15) ist aus einem geschnittenen Metallblech oder einem anderen Material hergestellt und weist eine diagonale Abmessung auf, die kleiner ist als der Raum innerhalb des Trägerelements (33), das es (15) in verschiebbarer Weise aufnimmt und das Übertragungsmittel (15) weist ein Profil ähnlich eines "V" oder "L" auf, ein Arm des Übertragungsmittels (15) nimmt die entsprechenden Längsschlitze (16) auf und der andere Arm trägt flache oder geformte Oberflächen zum verschiebbaren oder drehenden Anschlag mit den Enden des Versatzelements (17), das entsprechende verschiebbare oder rollende Elemente umfasst.
  7. Vorrichtung gemäß Anspruch 1, dadurch gekennzeichnet, dass das Anschlagelement (13) und das Gehäuseelement (31) für die Enden des zweiten bzw. ersten Dämpfungselements (11) mit entsprechenden Aufnahmen parallel zur Schieberichtung versehen sind und zugeordnet sind, um eine Ausrichtungsstange (49) verschiebbar aufzunehmen.
EP20732492.2A 2019-05-17 2020-05-15 Kompakte und gedämpfte scharniervorrichtung Active EP3969708B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102019000006985A IT201900006985A1 (it) 2019-05-17 2019-05-17 Dispositivo a cerniera compatto e smorzato
PCT/EP2020/063738 WO2020234198A1 (en) 2019-05-17 2020-05-15 Compact and dampened hinge device

Publications (2)

Publication Number Publication Date
EP3969708A1 EP3969708A1 (de) 2022-03-23
EP3969708B1 true EP3969708B1 (de) 2023-07-12

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EP (1) EP3969708B1 (de)
ES (1) ES2953880T3 (de)
IT (1) IT201900006985A1 (de)
PL (1) PL3969708T3 (de)
WO (1) WO2020234198A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102510774B1 (ko) * 2021-11-15 2023-03-17 서원코리아 주식회사 도어 힌지

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20060308A1 (it) * 2006-04-21 2007-10-22 Nuova Star Spa Cerniera per ante o sportelli
EP3073038B1 (de) * 2015-03-26 2018-09-12 Nuova Star S.p.A. Scharnier für eine tür eines haushaltsgerätes

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WO2020234198A1 (en) 2020-11-26
ES2953880T3 (es) 2023-11-16
PL3969708T3 (pl) 2024-01-29
IT201900006985A1 (it) 2020-11-17
EP3969708A1 (de) 2022-03-23

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