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EP3527762A1 - Multi-link hinge - Google Patents

Multi-link hinge Download PDF

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Publication number
EP3527762A1
EP3527762A1 EP19165676.8A EP19165676A EP3527762A1 EP 3527762 A1 EP3527762 A1 EP 3527762A1 EP 19165676 A EP19165676 A EP 19165676A EP 3527762 A1 EP3527762 A1 EP 3527762A1
Authority
EP
European Patent Office
Prior art keywords
damper
spring
door bearing
joint hinge
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.)
Granted
Application number
EP19165676.8A
Other languages
German (de)
French (fr)
Other versions
EP3527762B1 (en
Inventor
Dieter-Hermann Waltemate
Helmut Hunger
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.)
Hettich ONI GmbH and Co KG
Original Assignee
Hettich ONI GmbH and Co KG
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 Hettich ONI GmbH and Co KG filed Critical Hettich ONI GmbH and Co KG
Priority to SI200832215T priority Critical patent/SI3527762T1/en
Publication of EP3527762A1 publication Critical patent/EP3527762A1/en
Application granted granted Critical
Publication of EP3527762B1 publication Critical patent/EP3527762B1/en
Active 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
    • 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
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/20—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
    • 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
    • E05D3/06—Hinges with pins with two or more pins
    • E05D3/16—Hinges with pins with two or more pins with seven parallel pins and four arms
    • 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
    • E05D3/06—Hinges with pins with two or more pins
    • 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
    • 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
    • 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
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40—Mounting location; Visibility of the elements
    • E05Y2600/41—Concealed
    • 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
    • E05Y2900/31—Application of doors, windows, wings or fittings thereof for domestic appliances for refrigerators

Definitions

  • the present invention relates to a multi-joint hinge according to the preamble of claim 1.
  • a multi-joint hinge is known in which a first fastening part is fixed to a furniture body and a second fastening part to a door.
  • the two fasteners are connected to each other via a plurality of levers, which can be opened on the scissor-type articulation of the lever relatively thick doors, such as refrigerators.
  • a spring is provided to bias the multi-joint hinge into a closed position.
  • this multi-joint hinge is disadvantageous that a arranged on the fixing part door can strike uncontrollably, which is still supported by the spring.
  • WO 2006 / 053364A1 discloses a wide-angle hinge, in which a linear damper is mounted with a plunger on an intermediate piece which is fixed to a hinge arm.
  • a linear damper which dampens a closing movement of the door bearing, so that a door attached to the multi-joint hinge can not strike uncontrollably. Because the closing movement is damped by the damper so far that the closing speed is reduced.
  • the damper comprises a housing and a displaceable relative to the housing piston rod, wherein the damper is mounted on one side to a slot. Because the damping effect of the damper should be effective only in an area just before the closed position, while in an open position there is a freewheel should be his. This can be done in a simple manner by the storage of the damper on one side of a slot, in which case the end of the elongated hole initiates the damping process.
  • the damper is effective only over part of the pivoting range of the door bearing. Because especially shortly before the closed position damping is required during an opening movement, however, a certain stiffness can be disturbed by the damping. Therefore, attenuation, which is effective only in a sub-area comes closest to the wishes of the user.
  • the door bearing can be pivoted relative to the fastening element by more than 100 °, wherein the damper is effective in a closing range in a closing operation between 20 ° to 40 °, preferably about 25 ° to 35 °.
  • the spring can bias the door bearing in the closed position and support the closing movement in a pivoting range which is greater than the pivoting range in which the damper is effective.
  • the force of the spring for closing the door bearing is about 5 ° to 20 °, preferably 10 ° to 15 ° in front of the damper.
  • the damper is preferably disposed within the multi-joint hinge, both in the closed position and in an open position.
  • the spring is preferably disposed within the multi-joint hinge, which in addition to a compact design and the protection against external influence is given.
  • the arrangement within the multi-joint hinge means in particular an arrangement between the fastening element and the door bearing.
  • levers are provided for articulating the door bearing on the fastening element, which have seven axes of rotation.
  • a first and a second lever may be rotatably mounted on the fastening element, while on the door bearing a third and a fourth Levers are rotatably mounted. The levers are then coupled to each other via three axes of rotation.
  • the spring is held on one side on a spring bearing and on the opposite side a spring carriage is provided, which is mounted on a roller. Due to the geometric design of the spring carriage and the roller, the spring force generated by the spring can be adjusted depending on the position of the fastening element relative to the door bearing. In particular, the range can be specified in which the spring is effective, with simple mechanical means are used.
  • the expended by the user forces to open and close the door can be influenced.
  • the self-tightening angle of the door can be changed, since with the change of the curve geometry also a change in the course of the force is achieved.
  • a detent position of the door can be achieved, preferably in the open position.
  • the user has to use a force to move the door out of this position.
  • the course of the curve affects the control cam and possibly also the spring carriage.
  • the spring is movable at one end via a cam guide.
  • the cam guide may have a coupled with the door bearing cam on which rests a biased by the spring roller.
  • the geometry of the control cam then specifies the spring force and the beginning of the spring action during a closing movement of the door bearing.
  • the damper is rotatably mounted on one side and held on the opposite side to a pivotable driver, which when closing is movable to a stop.
  • the driver can thus enable a freewheeling of the damper in an opening region, wherein after concern of the driver to the stop the damper unfolds its effect.
  • the damper can also be arranged between two levers, wherein a freewheel in an open position can also be achieved by a corresponding mechanism within the damper.
  • a multi-joint hinge 1 comprises a fixing element 2 fixable on a body, on which a first lever 3 and a second lever 4 are rotatably arranged, which in turn are connected to a third lever 5.
  • the second lever 4 is further connected to a fourth lever 10, wherein on the levers 5 and 10, a door bearing 11 is pivotally mounted.
  • the lever 3 is mounted on the fastening element 2 about an axis 6 and on the lever 5 about a rotation axis 7.
  • the fastening lever 2 is rotatably connected via an axis 8 with the second lever 4, wherein the lever 4 is connected via an axis 9 with the third lever 5.
  • an axle 13 is provided on the second lever 4, to which the fourth lever 10 is articulated.
  • levers 3, 4, 5 and 10 which pivotally connect the door bearing 11 to the fastening element 2 via seven axes 6, 7, 8, 9, 12, 13 and 14.
  • a pivoting movement can be realized, which is advantageous especially for refrigerator doors or other heavier door elements.
  • FIGS. 1A to 1B the multi-joint hinge 1 is shown in an opening angle of 115 °.
  • a spring 15 is in the tensioned state and is stretched between the axis 12 and a spring carriage 16, wherein the spring carriage 16 is disposed adjacent to a roller 17.
  • the roller 17 for actuating the spring carriage 16 is mounted in the lever 10.
  • a damper 18 is provided, which is mounted with a housing on the lever 4 about an axis 19.
  • the damper 18 includes a retractable and extendable piston rod 20 which is guided at one end 21 in a slot 22 on the lever 10. In the wide open position, the end 21 can slide freely in the slot 22 and the damper 18 unfolds no effect.
  • the damper 18 is held with the end 21 is still free to move in the slot 22 and thus has no damping effect.
  • FIGS. 3A and 3B achieved position shown with an opening angle of about 26 °.
  • the spring 15 is further relaxed via the spring carriage 16 and the roller 17 during the closing movement, whereby a torque between the door bearing 11 and fastener 2 is formed, which causes an automatic closing.
  • the damper 18 has arrived via the end 21 at the end of the elongated hole 22, so that from this angular position the effect of the damper 18 begins.
  • the damper 18 is designed as a linear damper, which generates a much higher damping force when retracting when retracting, wherein the damping effect can vary by a factor of 5 to 15 between retraction and extension.
  • FIGS. 4A and 4B the closed position of the multi-joint hinge 1 is shown.
  • the spring 15 is only in a slightly biased state, whereby still a small torque is generated to tension the door bearing 11 in the closed position.
  • the damper 18 is by the closing movement of the door bearing 11 has been moved to a retracted position, in which the piston rod 20 is received in the housing of the damper 18.
  • the multi-joint hinge is formed substantially box-shaped, wherein the fastening element 2 and the door bearing 11 are provided on opposite sides of the box.
  • the damper 18 is shown only schematically as a linear damper with a retractable piston rod.
  • Different dampers can be used, which, for example, can be moved smoothly during extension along the piston rod, but can be moved stiffly during retraction, wherein the damping force can deviate, for example, by a factor of 5 to 20.
  • the damper it is of course possible to arrange the damper so that it is stiff when moving out and smooth when retracting the piston rod.
  • the damper may be formed so that only at a certain position of the piston rod relative to the housing, a damping effect.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Refrigerator Housings (AREA)
  • Vibration Dampers (AREA)
  • Hinges (AREA)

Abstract

Ein Mehrgelenkscharnier (1), insbesondere für Kühlschranktüren, umfasst ein an einem Möbelkorpus festlegbares Befestigungselement (2), das mehrere scherenartig miteinander verbundene Hebel (3, 4, 5, 10) mit einem schwenkbaren Türlager (11) verbunden ist, wobei das Türlager (11) über eine Feder (15) in eine geschlossene Position vorgespannt ist. Dabei ist ein linearer Dämpfer (18) vorgesehen, der eine Schließbewegung des Türlagers (11) dämpft, wobei er zumindest über einen Teil des Schwenkbereiches des Türlagers (11) wirksam ist. Dadurch kann die Schließbewegung unterstützt werden, wobei ein Zuschlagen einer an dem Türlager (11) gekoppelten Tür vermieden wird.A multi-joint hinge (1), in particular for refrigerator doors, comprises a fastening element (2) which can be fastened to a furniture body and which is connected to a pivotable door bearing (11) with a plurality of scissors-like connected levers (3, 4, 5, 10). 11) is biased by a spring (15) in a closed position. In this case, a linear damper (18) is provided, which dampens a closing movement of the door bearing (11), wherein it is effective at least over part of the pivoting range of the door bearing (11). As a result, the closing movement can be assisted, wherein slamming of a door coupled to the door bearing (11) is avoided.

Description

Die vorliegende Erfindung betrifft ein Mehrgelenkscharnier nach dem Oberbegriff des Anspruches 1.The present invention relates to a multi-joint hinge according to the preamble of claim 1.

Aus der DE 10 2005 004 957 ist ein Mehrgelenkscharnier bekannt, bei dem ein erstes Befestigungsteil an einem Möbelkorpus und ein zweites Befestigungsteil an einer Tür befestigt ist. Die beiden Befestigungsteile sind über mehrere Hebel miteinander verbunden, wobei über die scherenartige Anlenkung der Hebel relativ dicke Türen, wie bei Kühlschränken, geöffnet werden können. Um das Mehrgelenkscharnier in eine geschlossene Position vorzuspannen, ist eine Feder vorgesehen. Bei diesem Mehrgelenkscharnier ist nachteilig, dass eine an dem Befestigungsteil angeordnete Tür unkontrolliert zuschlagen kann, was durch die Feder noch unterstützt wird.From the DE 10 2005 004 957 is a multi-joint hinge is known in which a first fastening part is fixed to a furniture body and a second fastening part to a door. The two fasteners are connected to each other via a plurality of levers, which can be opened on the scissor-type articulation of the lever relatively thick doors, such as refrigerators. To bias the multi-joint hinge into a closed position, a spring is provided. In this multi-joint hinge is disadvantageous that a arranged on the fixing part door can strike uncontrollably, which is still supported by the spring.

In der WO 2006/053364A1 ist ein Weitwinkelscharnier offenbart, bei dem ein Lineardämpfer mit einem Stößel auf einem Zwischenstück montiert ist, das an einem Scharnierarm festgelegt ist.In the WO 2006 / 053364A1 discloses a wide-angle hinge, in which a linear damper is mounted with a plunger on an intermediate piece which is fixed to a hinge arm.

Es ist daher Aufgabe der vorliegenden Erfindung ein Mehrgelenkscharnier zu schaffen, das bei einfachem Aufbau ein Zuschlagen einer an dem Mehrgelenkscharnier montierten Tür vermeidet.It is therefore an object of the present invention to provide a multi-joint hinge, which avoids slamming a mounted on the multi-joint hinge door with a simple structure.

Diese Aufgabe wird mit einem Mehrgelenkscharnier mit den Merkmalen des Anspruches 1 gelöst.This object is achieved with a multi-joint hinge with the features of claim 1.

Erfindungsgemäß ist ein linearer Dämpfer vorgesehen, der eine Schließbewegung des Türlagers dämpft, so dass eine an dem Mehrgelenkscharnier angebrachte Tür nicht unkontrolliert zuschlagen kann. Denn die Schließbewegung wird durch den Dämpfer soweit gedämpft, dass die Schließgeschwindigkeit reduziert wird. Der Dämpfer umfasst dabei ein Gehäuse und eine relativ zu dem Gehäuse verschiebbare Kolbenstange, wobei der Dämpfer an einer Seite an einem Langloch gelagert ist. Denn die Dämpfungswirkung des Dämpfers soll nur in einem Bereich kurz vor der Schließposition wirksam sein, während in einer Öffnungsposition ein Freilauf vorhanden seins soll. Dies kann auf einfache Weise durch die Lagerung des Dämpfers an einer Seite an einem Langloch erfolgen, wobei dann das Ende des Langloches den Dämpfungsvorgang einleitet.According to the invention, a linear damper is provided which dampens a closing movement of the door bearing, so that a door attached to the multi-joint hinge can not strike uncontrollably. Because the closing movement is damped by the damper so far that the closing speed is reduced. The damper comprises a housing and a displaceable relative to the housing piston rod, wherein the damper is mounted on one side to a slot. Because the damping effect of the damper should be effective only in an area just before the closed position, while in an open position there is a freewheel should be his. This can be done in a simple manner by the storage of the damper on one side of a slot, in which case the end of the elongated hole initiates the damping process.

Gemäß der Erfindung ist der Dämpfer nur über einen Teil des Schwenkbereiches des Türlagers wirksam. Denn insbesondere kurz vor der Schließstellung ist eine Dämpfung erforderlich, während einer Öffnungsbewegung kann jedoch eine gewisse Schwergängigkeit durch die Dämpfung als störend empfunden werden kann. Daher kommt eine Dämpfung, die nur in einem Teilbereich wirksam ist den Wünschen des Benutzers am ehesten entgegen. Das Türlager kann dabei relativ zu dem Befestigungselement um über 100° verschwenkbar sein, wobei der Dämpfer in einem Schließbereich bei einem Schließvorgang zwischen 20° bis 40°, vorzugsweise etwa 25° bis 35°wirksam ist.According to the invention, the damper is effective only over part of the pivoting range of the door bearing. Because especially shortly before the closed position damping is required during an opening movement, however, a certain stiffness can be disturbed by the damping. Therefore, attenuation, which is effective only in a sub-area comes closest to the wishes of the user. The door bearing can be pivoted relative to the fastening element by more than 100 °, wherein the damper is effective in a closing range in a closing operation between 20 ° to 40 °, preferably about 25 ° to 35 °.

Damit die Schließbewegung vom Verbraucher als leichtgängig empfunden wird, kann die Feder das Türlager in die Schließstellung vorspannen und die Schließbewegung in einem Schwenkbereich unterstützen, der größer ist als der Schwenkbereich, in dem der Dämpfer wirksam ist. Vorzugsweise setzt die Kraft der Feder zum Schließen des Türlagers etwa 5° bis 20°, vorzugsweise 10° bis 15° vor dem Dämpfer ein.So that the closing movement is perceived by the consumer as smooth, the spring can bias the door bearing in the closed position and support the closing movement in a pivoting range which is greater than the pivoting range in which the damper is effective. Preferably, the force of the spring for closing the door bearing is about 5 ° to 20 °, preferably 10 ° to 15 ° in front of the damper.

Für einen kompakten Aufbau ist der Dämpfer vorzugsweise innerhalb des Mehrgelenkscharniers angeordnet, und zwar sowohl in der Schließstellung als auch in einer geöffneten Position. Gleichermaßen ist die Feder vorzugsweise innerhalb des Mehrgelenkscharniers angeordnet, wobei neben einem kompakten Aufbau auch der Schutz vor äußerer Einwirkung gegeben ist. Die Anordnung innerhalb des Mehrgelenkscharniers bedeutet insbesondere eine Anordnung zwischen dem Befestigungselement und dem Türlager.For a compact construction, the damper is preferably disposed within the multi-joint hinge, both in the closed position and in an open position. Similarly, the spring is preferably disposed within the multi-joint hinge, which in addition to a compact design and the protection against external influence is given. The arrangement within the multi-joint hinge means in particular an arrangement between the fastening element and the door bearing.

Gemäß einer weiteren Ausgestaltung der Erfindung sind zum Anlenken des Türlagers an dem Befestigungselement vier Hebel vorgesehen, die sieben Drehachsen aufweisen. Dabei können an dem Befestigungselement ein erster und ein zweiter Hebel drehbar gelagert sein, während an dem Türlager ein dritter und ein vierter Hebel drehbar gelagert sind. Die Hebel sind dann untereinander über drei Drehachsen miteinander gekoppelt.According to a further embodiment of the invention, four levers are provided for articulating the door bearing on the fastening element, which have seven axes of rotation. In this case, a first and a second lever may be rotatably mounted on the fastening element, while on the door bearing a third and a fourth Levers are rotatably mounted. The levers are then coupled to each other via three axes of rotation.

Gemäß einer weiteren Ausgestaltung der Erfindung ist die Feder an einer Seite an einem Federlager gehalten und an der gegenüberliegenden Seite ist ein Federschlitten vorgesehen, der an einer Rolle gelagert ist. Durch die geometrische Ausgestaltung des Federschlittens und der Rolle kann die durch die Feder erzeugte Federkraft abhängig von der Position des Befestigungselementes relativ zu dem Türlager eingestellt sein. Insbesondere kann auch der Bereich vorgegeben werden, in dem die Feder wirksam ist, wobei einfache mechanische Mittel eingesetzt werden.According to a further embodiment of the invention, the spring is held on one side on a spring bearing and on the opposite side a spring carriage is provided, which is mounted on a roller. Due to the geometric design of the spring carriage and the roller, the spring force generated by the spring can be adjusted depending on the position of the fastening element relative to the door bearing. In particular, the range can be specified in which the spring is effective, with simple mechanical means are used.

Durch verschiedene geometrische Ausführungsformen bzw. Varianten des Kurvenverlaufes der Steuerscheibe sind beispielsweise die vom Nutzer aufzuwendenden Kräfte zum Öffnen und Schließen der Tür beeinflussbar. Ebenso ist mit der Änderung der Kurvengeometrie der Selbstanzugswinkel der Tür veränderbar, da mit der Änderung der Kurvengeometrie auch eine Änderung des Kräfteverlaufs erreicht wird.By various geometric embodiments or variants of the curve of the control disk, for example, the expended by the user forces to open and close the door can be influenced. Likewise, with the change of the curve geometry, the self-tightening angle of the door can be changed, since with the change of the curve geometry also a change in the course of the force is achieved.

Durch einen Anstieg der Kurve in der Offen-Stellung kann auch ein Abfedern der Tür bei der Öffnungsbewegung erreicht werden.By increasing the curve in the open position and a cushioning of the door can be achieved during the opening movement.

Durch eine Vertiefung in der Kurvengeometrie kann eine Raststellung der Tür erreicht werden, vorzugsweise in der Öffnungsstellung. Es muss vom Nutzer eine Kraft aufgewendet werden, um die Tür aus dieser Position zu bewegen. Der Kurvenverlauf betrifft die Steuerkurve und eventuell auch den Federschlitten.By a depression in the curve geometry, a detent position of the door can be achieved, preferably in the open position. The user has to use a force to move the door out of this position. The course of the curve affects the control cam and possibly also the spring carriage.

Gemäß einer weiteren Ausgestaltung der Erfindung ist die Feder an einem Ende über eine Kurvenführung bewegbar. Die Kurvenführung kann dabei eine mit dem Türlager gekoppelte Steuerkurve aufweisen, an der eine durch die Feder vorgespannte Rolle anliegt. Die Geometrie der Steuerkurve gibt dann die Federkraft und den Beginn der Federwirkung bei einer Schließbewegung des Türlagers vor.According to a further embodiment of the invention, the spring is movable at one end via a cam guide. The cam guide may have a coupled with the door bearing cam on which rests a biased by the spring roller. The geometry of the control cam then specifies the spring force and the beginning of the spring action during a closing movement of the door bearing.

Vorzugsweise ist der Dämpfer an einer Seite drehbar gelagert und an der gegenüberliegenden Seite an einem schwenkbaren Mitnehmer gehalten, der beim Schließen bis zu einem Anschlag bewegbar ist. Der Mitnehmer kann somit in einem Öffnungsbereich einen Freilauf des Dämpfers ermöglichen, wobei nach Anliegen des Mitnehmers an dem Anschlag der Dämpfer seine Wirkung entfaltet.Preferably, the damper is rotatably mounted on one side and held on the opposite side to a pivotable driver, which when closing is movable to a stop. The driver can thus enable a freewheeling of the damper in an opening region, wherein after concern of the driver to the stop the damper unfolds its effect.

Für einen möglichst kompakten Aufbau kann der Dämpfer auch zwischen zwei Hebeln angeordnet sein, wobei ein Freilauf in einer Öffnungsposition auch durch eine entsprechende Mechanik innerhalb des Dämpfers erreicht werden kann.For a compact design as possible, the damper can also be arranged between two levers, wherein a freewheel in an open position can also be achieved by a corresponding mechanism within the damper.

Die Erfindung wird nachfolgend anhand von vier Ausführungsbeispielen mit Bezug auf die Zeichnungen näher erläutert. Es zeigen:

Figuren 1A bis 4A
mehrere Ansichten eines Ausführungsbeispieles eines Mehrgelenkscharniers in unterschiedlichen Positionen.
The invention will be explained in more detail below with reference to four exemplary embodiments with reference to the drawings. Show it:
FIGS. 1A to 4A
several views of an embodiment of a multi-joint hinge in different positions.

Ein Mehrgelenkscharnier 1 umfasst ein an einem Korpus festlegbares Befestigungselement 2, an dem ein erster Hebel 3 und ein zweiter Hebel 4 drehbar angeordnet sind, die wiederum mit einem dritten Hebel 5 verbunden sind. Der zweite Hebel 4 ist ferner mit einem vierten Hebel 10 verbunden, wobei an den Hebeln 5 und 10 ein Türlager 11 verschwenkbar gelagert ist. Der Hebel 3 ist dabei am Befestigungselement 2 um eine Achse 6 und am Hebel 5 um eine Drehachse 7 gelagert. Der Befestigungshebel 2 ist über eine Achse 8 mit dem zweiten Hebel 4 drehbar verbunden, wobei der Hebel 4 über eine Achse 9 mit dem dritten Hebel 5 verbunden ist. Zudem ist an dem zweiten Hebel 4 eine Achse 13 vorgesehen, an der der vierte Hebel 10 angelenkt ist. Auf diese Weise sind vier Hebel 3, 4, 5 und 10 vorgesehen, die über sieben Achsen 6, 7, 8, 9, 12, 13 und 14 das Türlager 11 an dem Befestigungselement 2 schwenkbar verbinden. Über diesen Hebelmechanismus kann trotz eines gewissen Abstandes zwischen dem Türlager 11 und dem Befestigungselement 2 eine Schwenkbewegung realisiert werden, die gerade für Kühlschranktüren oder andere schwerere Türelemente vorteilhaft ist.A multi-joint hinge 1 comprises a fixing element 2 fixable on a body, on which a first lever 3 and a second lever 4 are rotatably arranged, which in turn are connected to a third lever 5. The second lever 4 is further connected to a fourth lever 10, wherein on the levers 5 and 10, a door bearing 11 is pivotally mounted. The lever 3 is mounted on the fastening element 2 about an axis 6 and on the lever 5 about a rotation axis 7. The fastening lever 2 is rotatably connected via an axis 8 with the second lever 4, wherein the lever 4 is connected via an axis 9 with the third lever 5. In addition, an axle 13 is provided on the second lever 4, to which the fourth lever 10 is articulated. In this way, four levers 3, 4, 5 and 10 are provided which pivotally connect the door bearing 11 to the fastening element 2 via seven axes 6, 7, 8, 9, 12, 13 and 14. Through this lever mechanism, despite a certain distance between the door bearing 11 and the fastening element 2, a pivoting movement can be realized, which is advantageous especially for refrigerator doors or other heavier door elements.

In den Figuren 1A bis 1B ist das Mehrgelenkscharnier 1 in einem Öffnungswinkel von 115° gezeigt. Eine Feder 15 befindet sich im gespannten Zustand und ist zwischen der Achse 12 und einem Federschlitten 16 gespannt, wobei der Federschlitten 16 benachbart zu einer Rolle 17 angeordnet ist. Die Rolle 17 zur Betätigung des Federschlittens 16 ist im Hebel 10 gelagert.In the FIGS. 1A to 1B the multi-joint hinge 1 is shown in an opening angle of 115 °. A spring 15 is in the tensioned state and is stretched between the axis 12 and a spring carriage 16, wherein the spring carriage 16 is disposed adjacent to a roller 17. The roller 17 for actuating the spring carriage 16 is mounted in the lever 10.

Ferner ist ein Dämpfer 18 vorgesehen, der mit einem Gehäuse an dem Hebel 4 um eine Achse 19 gelagert ist. Der Dämpfer 18 umfasst eine ein- und ausfahrbare Kolbenstange 20, die an einem Ende 21 in einem Langloch 22 an dem Hebel 10 geführt ist. In der weit geöffneten Position kann das Ende 21 frei in dem Langloch 22 gleiten und der Dämpfer 18 entfaltet keine Wirkung.Further, a damper 18 is provided, which is mounted with a housing on the lever 4 about an axis 19. The damper 18 includes a retractable and extendable piston rod 20 which is guided at one end 21 in a slot 22 on the lever 10. In the wide open position, the end 21 can slide freely in the slot 22 and the damper 18 unfolds no effect.

Wird das Mehrgelenkscharnier in die in Figur 2A und 2B gezeigte Position mit einem Öffnungswinkel von etwa 69° bewegt, dann befindet sich die Feder 15 im gespannten Zustand. In dieser Stellung ist die Rolle 17 in einer Aufnahme an dem Federschlitten 16 eingefahren und bei einer weiteren Schließbewegung wird nun die Feder 15 nach und nach entspannt, wodurch die Schließbewegung des Türlagers 11 unterstützt wird.If the multi-joint hinge in the in FIGS. 2A and 2B shown moved position with an opening angle of about 69 °, then the spring 15 is in the tensioned state. In this position, the roller 17 is retracted in a receptacle on the spring carriage 16 and in a further closing movement, the spring 15 is gradually relaxed, whereby the closing movement of the door bearing 11 is supported.

Der Dämpfer 18 ist mit dem Ende 21 nach wie vor frei beweglich in dem Langloch 22 gehalten und besitzt insofern keine Dämpfungswirkung.The damper 18 is held with the end 21 is still free to move in the slot 22 and thus has no damping effect.

Bei einem weiteren Schließen des Türlagers 11 wird die in den Figuren 3A und 3B gezeigte Position mit einem Öffnungswinkel von etwa 26° erreicht. Die Feder 15 wird über den Federschlitten 16 und die Rolle 17 während der Schließbewegung weiter entspannt, wodurch ein Drehmoment zwischen Türlager 11 und Befestigungselement 2 entsteht, der ein selbsttätiges Schließen bewirkt. Der Dämpfer 18 ist über das Ende 21 am Ende des Langloches 22 angekommen, so dass ab dieser Winkelstellung die Wirkung des Dämpfers 18 einsetzt. Der Dämpfer 18 ist dabei als Lineardämpfer ausgebildet, der beim Einfahren eine wesentlich höhere Dämpfungskraft erzeugt als beim Ausfahren, wobei die Dämpfungswirkung um den Faktor 5 bis 15 zwischen Einfahren und Ausfahren abweichen kann.In a further closing of the door bearing 11 is in the FIGS. 3A and 3B achieved position shown with an opening angle of about 26 °. The spring 15 is further relaxed via the spring carriage 16 and the roller 17 during the closing movement, whereby a torque between the door bearing 11 and fastener 2 is formed, which causes an automatic closing. The damper 18 has arrived via the end 21 at the end of the elongated hole 22, so that from this angular position the effect of the damper 18 begins. The damper 18 is designed as a linear damper, which generates a much higher damping force when retracting when retracting, wherein the damping effect can vary by a factor of 5 to 15 between retraction and extension.

In Figur 4A und 4B ist die Schließposition des Mehrgelenkscharniers 1 gezeigt. Die Feder 15 befindet sich nur noch in einem leicht vorgespannten Zustand, wodurch nach wie vor ein geringes Drehmoment erzeugt wird, um das Türlager 11 in die geschlossene Position zu spannen. Der Dämpfer 18 ist durch die Schließbewegung des Türlagers 11 in eine eingefahrene Position bewegt worden, in der die Kolbenstange 20 in dem Gehäuse des Dämpfers 18 aufgenommen ist. In der Schließposition ist das Mehrgelenkscharnier im Wesentlichen kastenförmig ausgebildet, wobei das Befestigungselement 2 und das Türlager 11 an gegenüberliegenden Seiten des Kastens vorgesehen sind.In FIGS. 4A and 4B the closed position of the multi-joint hinge 1 is shown. The spring 15 is only in a slightly biased state, whereby still a small torque is generated to tension the door bearing 11 in the closed position. The damper 18 is by the closing movement of the door bearing 11 has been moved to a retracted position, in which the piston rod 20 is received in the housing of the damper 18. In the closed position, the multi-joint hinge is formed substantially box-shaped, wherein the fastening element 2 and the door bearing 11 are provided on opposite sides of the box.

Bei dem vorangegangenen Ausführungsbeispiel ist der Dämpfer 18 nur schematisch als Lineardämpfer mit einer herausfahrbaren Kolbenstange gezeigt. Es können unterschiedliche Dämpfer eingesetzt werden, die beispielsweise beim Ausfahren entlang der Kolbenstange leichtgängig, aber beim Einfahren schwergängig bewegt werden können, wobei die Dämpfungskraft beispielsweise um den Faktor 5 bis 20 abweichen kann. Alternativ ist es natürlich möglich, den Dämpfer so anzuordnen, dass er beim Herausfahren schwergängig ist und beim Einfahren der Kolbenstange leichtgängig. Ferner kann der Dämpfer so ausgebildet sein, dass erst ab einer bestimmten Position der Kolbenstange relativ zu dem Gehäuse eine Dämpfungswirkung erfolgt.In the previous embodiment, the damper 18 is shown only schematically as a linear damper with a retractable piston rod. Different dampers can be used, which, for example, can be moved smoothly during extension along the piston rod, but can be moved stiffly during retraction, wherein the damping force can deviate, for example, by a factor of 5 to 20. Alternatively, it is of course possible to arrange the damper so that it is stiff when moving out and smooth when retracting the piston rod. Further, the damper may be formed so that only at a certain position of the piston rod relative to the housing, a damping effect.

Claims (8)

Mehrgelenkscharnier (1) insbesondere für Kühlschranktüren, mit einem an einem Möbelkorpus festlegbaren Befestigungselement (2), das über mehrere scherenartig miteinander verbundene Hebel (3, 4, 5, 10) mit einem schwenkbaren Türlager (11) verbunden ist, wobei das Türlager (11) über eine Feder (15) in eine geschlossene Position vorgespannt ist, wobei ein linearer Dämpfer (18) vorgesehen ist, der eine Schließbewegung des Türlagers (11) dämpft, wobei der Dämpfer (18) nur über einen Teil des Schwenkbereiches des Türlagers (11) wirksam ist. dadurch gekennzeichnet, dass der Dämpfer (18) ein Gehäuse und eine relativ zu dem Gehäuse verschiebbare Kolbenstange (20) umfasst, und der Dämpfer (18) an einer Seite an einem Langloch (22) gelagert ist.Multi-joint hinge (1), in particular for refrigerator doors, having a fastening element (2) which can be fixed to a furniture body and is connected to a pivotable door bearing (11) via a plurality of scissors-like interconnected levers (3, 4, 5, 10), wherein the door bearing (11 ) is biased by a spring (15) in a closed position, wherein a linear damper (18) is provided which damps a closing movement of the door bearing (11), wherein the damper (18) only over a part of the pivoting range of the door bearing (11 ) is effective. characterized in that the damper (18) comprises a housing and a displaceable relative to the housing piston rod (20), and the damper (18) is mounted on one side at a slot (22). Mehrgelenkscharnier nach Anspruch 1, dadurch gekennzeichnet, dass das Türlager (11) relativ zu dem Befestigungselement (2) um über 100° verschwenkbar ist und der Dämpfer (18) in einem Schließbereich zwischen 20° bis 40°, vorzugsweise 25° bis 35° wirksam ist.Multi-joint hinge according to claim 1, characterized in that the door bearing (11) relative to the fastening element (2) is pivotable by more than 100 ° and the damper (18) in a closing range between 20 ° to 40 °, preferably 25 ° to 35 ° effective is. Mehrgelenkscharnier nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Feder (15) das Türlager (11) in die Schließstellung vorspannt und dessen Schließbewegung in einen Schwenkbereich unterstützt, der größer ist als der Schwenkbereich, in dem Dämpfer (18) wirksam ist.Multi-joint hinge according to claim 1 or 2, characterized in that the spring (15) biases the door bearing (11) in the closed position and supports its closing movement in a pivoting range which is greater than the pivoting range, in the damper (18) is effective. Mehrgelenkscharnier nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Dämpfer (18) innerhalb des Mehrgelenkscharniers (1) angeordnet ist.Multi-joint hinge according to one of claims 1 to 3, characterized in that the damper (18) within the multi-joint hinge (1) is arranged. Mehrgelenkscharnier nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Feder (15) innerhalb des Mehrgelenkscharniers (1) angeordnet ist.Multi-joint hinge according to one of claims 1 to 4, characterized in that the spring (15) within the multi-joint hinge (1) is arranged. Mehrgelenkscharnier nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass zum Anlenken des Türlagers (11) an dem Befestigungselement (2) vier Hebel (3, 4, 5, 10) vorgesehen sind, die sieben Drehachsen (6, 7, 8, 9, 12, 13, 14) aufweisen.Multi-joint hinge according to one of claims 1 to 5, characterized in that for the articulation of the door bearing (11) on the fastening element (2) four levers (3, 4, 5, 10) are provided which have seven axes of rotation (6, 7, 8, 9, 12, 13, 14). Mehrgelenkscharnier nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass an dem Befestigungselement (2) ein erster und ein zweiter Hebel (3, 4) drehbar gelagert sind, und an dem Türlager (11) ein dritter und ein vierter Hebel (5, 10) drehbar gelagert sind.Multi-link hinge according to one of claims 1 to 6, characterized in that on the fastening element (2) a first and a second lever (3, 4) are rotatably mounted, and on the door bearing (11) has a third and a fourth lever (5, 10) are rotatably mounted. Mehrgelenkscharnier nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Feder (15) an einer Seite an einem Federlager (19) gehalten ist und an der gegenüberliegenden Seite ein Federschlitten (16) vorgesehen ist, der an einer Rolle (17) gelagert ist.Multi-link hinge according to one of claims 1 to 7, characterized in that the spring (15) is held on one side on a spring bearing (19) and on the opposite side a spring carriage (16) is provided, which is mounted on a roller (17) is.
EP19165676.8A 2007-03-29 2008-03-14 Multi-link hinge Active EP3527762B1 (en)

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PCT/EP2008/053093 WO2008119647A1 (en) 2007-03-29 2008-03-14 Multi-link hinge

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CN113685104B (en) 2020-05-19 2023-03-14 Lg电子株式会社 Multi-joint connecting rod hinge and refrigerator comprising same
KR20220014199A (en) * 2020-07-28 2022-02-04 삼성전자주식회사 Electronic device
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Also Published As

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SI3527762T1 (en) 2023-12-29
JP2010522862A (en) 2010-07-08
RU2009139190A (en) 2011-05-10
PL2129852T3 (en) 2020-01-31
CN101663451A (en) 2010-03-03
PL3527762T3 (en) 2024-02-05
US8225459B2 (en) 2012-07-24
KR101497295B1 (en) 2015-03-02
JP5572861B2 (en) 2014-08-20
SI2129852T1 (en) 2019-09-30
EP3527762B1 (en) 2023-08-09
US20100101052A1 (en) 2010-04-29
ES2742516T3 (en) 2020-02-14
CN101663451B (en) 2014-07-02
EP2129852A1 (en) 2009-12-09
ES2963913T3 (en) 2024-04-03
WO2008119647A1 (en) 2008-10-09
RU2444598C2 (en) 2012-03-10
EP2129852B1 (en) 2019-05-22
KR20100016056A (en) 2010-02-12
DE202007004621U1 (en) 2008-08-07

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