EP3117060B1 - Bras de commande pour un abattant de meuble - Google Patents

Bras de commande pour un abattant de meuble Download PDF

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Publication number
EP3117060B1
EP3117060B1 EP15705474.3A EP15705474A EP3117060B1 EP 3117060 B1 EP3117060 B1 EP 3117060B1 EP 15705474 A EP15705474 A EP 15705474A EP 3117060 B1 EP3117060 B1 EP 3117060B1
Authority
EP
European Patent Office
Prior art keywords
lever
actuating
adjusting
actuating arm
actuator
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
EP15705474.3A
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German (de)
English (en)
Other versions
EP3117060A1 (fr
Inventor
Andreas Holzapfel
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.)
Julius Blum GmbH
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Julius Blum GmbH
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Filing date
Publication date
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Priority to EP20191340.7A priority Critical patent/EP3754143A1/fr
Publication of EP3117060A1 publication Critical patent/EP3117060A1/fr
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Publication of EP3117060B1 publication Critical patent/EP3117060B1/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
    • E05F1/1253—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
    • 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
    • E05F1/1041—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 with a coil spring perpendicular to the pivot axis
    • E05F1/105—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 with a coil spring perpendicular to the pivot axis with a compression spring
    • E05F1/1058—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 with a coil spring perpendicular to the pivot axis with a compression spring for counterbalancing
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
    • 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
    • E05F1/1041—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 with a coil spring perpendicular to the pivot axis
    • E05F1/105—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 with a coil spring perpendicular to the pivot axis with a compression spring
    • 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
    • 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
    • E05F1/14—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 with double-acting springs, e.g. for closing and opening or checking and closing no material
    • 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
    • E05D2003/163—Horizontal pivot-axis
    • 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
    • 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
    • E05D7/00—Hinges or pivots of special construction
    • E05D7/04—Hinges adjustable relative to the wing or the frame
    • E05D7/0407—Hinges adjustable relative to the wing or the frame the hinges having two or more pins and being specially adapted for cabinets or furniture
    • 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
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/606—Accessories therefor
    • E05Y2201/618—Transmission ratio variation
    • 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
    • E05Y2201/638—Cams; Ramps
    • 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
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets

Definitions

  • the invention further relates to an arrangement with a flap of a piece of furniture and with an actuator of the type to be described.
  • Actuators of this type can use a lever mechanism as a dead center mechanism ( DE 102 03 269 A1 ), the spring device exerting a closing force on the actuating arm near the closed position and, after a dead center position has been exceeded - in which the connecting joints of the lever and the force vectors acting on one line - exerts a torque in the opening direction.
  • Dead center mechanisms with a control cam and pressure roller arrangement are also known ( DE 10 2004 019 785 A1 ), in which the control cam is contoured in such a way that the change in the torque acting on the actuating arm takes place after passing through a dead center position.
  • the force of the spring device is to be adapted by an adjusting device according to the weight of the furniture flap to be moved, ie the spring device must also apply a correspondingly high torque to the actuating arm in the opening direction with heavy furniture flaps.
  • this setting also affects the locking force of the actuating arm, which means that the furniture flap also has a correspondingly large locking force in the opening direction when the torque of the actuating arm is high the closed position is held.
  • This high locking force then has to be overcome by a user when opening the flap by applying considerable manual force up to the dead center position of the actuating arm, whereupon the spring device supports the further opening movement.
  • flap fittings are in the DE 102 03 269 A1 , in the EP 1 154 109 A1 and in the DE 26 48 085 A1 described.
  • an actuator for furniture flaps which can be switched between different operating modes by a switching device.
  • a hinge axis which connects two levers of the actuator to one another, can be adjusted along a guide.
  • a closing force is exerted on the actuating arm in or near the closed position, so that a furniture flap connected to the actuating arm is also drawn into the closed end position towards the end of the closing movement.
  • an opening force is exerted on the actuating arm, so that the actuating arm already has an opening effect in the closed position.
  • the EP2309086A1 and the US2007 / 0124893 A1 also disclose generic actuators.
  • the object of the invention is to provide an actuator with a simple setting option, with a reduced locking force of the actuating arm in the closed position being able to be brought about even at high torques in the opening direction.
  • the actuator has a coupling device which couples the spring device, the axis of rotation of the actuating arm and the actuator with one another, whereby by adjusting the actuator in or on the guide, both the position of the dead center of the actuating arm and that in the opening direction acting force of the spring device on the actuating arm is adjustable so that when the force acting in the opening direction is increased, that pivoting angle of the actuating arm at which the position of the dead center is present can also be reduced.
  • the pivot angle of the actuating arm at which the dead center position is present can be reduced by a single adjustment device and thus adjusted closer in the direction of 0 ° opening angle, which corresponds to the closed end position of the furniture flap.
  • the resulting phase shift of the torque curve by a specified amount in the direction of the closed end position of the actuating arm can - even with high pretensioning forces in the opening direction - bring about a lower and more uniform locking force in the closed end position of the flap (see the description for Fig. 1 ).
  • the guide can have an essentially straight shape at least in sections and / or at least in sections a curved shape.
  • the geometric selection of the guide which has both a horizontal component and a vertical component in the assembly position, can be used to determine the extent to which the dead center position and the spring force acting in the opening direction are set by selecting the slope of the guide.
  • the horizontal component determines the torque acting on the actuator arm in the opening direction.
  • the vertical component of the guide determines the Dead center position of the actuator arm. Assuming, for example, that the guide is designed as a straight line with a 45 ° gradient, an adjustment of the actuator in or along this guide would result in a ratio of 1: 1, so that the adjustment of the dead center position and the adjustment of the torque acting in the opening direction takes place on the actuating arm in each case to the same extent.
  • the setting device when the setting device is actuated, the setting of the position of the dead center of the actuating arm and the setting of the force of the spring device acting in the opening direction on the actuating arm take place simultaneously.
  • This of course depends on the shape of the guide. If the actuator interacts exclusively with a component of the guide that is horizontal in the assembly position when setting in or along the guide, only the force of the spring device acting in the opening direction on the actuator arm is changed without the dead center position being adjusted. If, on the other hand, the actuator interacts with a component of the guide that is vertical in the assembly position during adjustment in or along the guide, the position of the dead center is also adjusted.
  • the position of the dead center of the actuating arm - starting from the fully closed position of the actuating arm - can be variably adjusted between 10 ° and 30 °, preferably between 15 ° and 25 °.
  • Fig. 1 shows a diagram of the torque curves (torque M in Newton meters, Nm) depending on the opening angle (in degrees, ⁇ ) of the flap 3 of a piece of furniture 1.
  • the characteristic curve A shows the (theoretical) curve of the torque plotted over the angular position of the flap 3. which is to be applied by the actuator 4, the flap 3 being accelerated by the actuator 4 neither in the opening direction nor in the closing direction and is thus kept balanced.
  • This characteristic curve A corresponds to the maximum setting of the torque in the opening direction, which must therefore be provided for heavy furniture flaps 3. Starting from a 0 ° opening angle of the flap 3, it is opened over an opening angle range, the maximum of the characteristic curve A being at approximately 90 ° opening angle of the flap 3. At an opening angle of 90 ° of the flap 3, the actuator 4 must provide the highest torque so that the flap 3 is automatically held in this position by the force of the spring device 8.
  • the characteristic curve B shows the (theoretical) course of the torque plotted against the angular position of the flap 3, which is to be applied by the actuator 4, the flap 3 being accelerated by the actuator 4 neither in the opening direction nor in the closing direction and thus kept balanced.
  • This characteristic curve B corresponds to minimum setting of the torque in the opening direction, which is to be provided for light furniture flaps 3.
  • the maximum of this characteristic curve B is also at 90 ° opening angle of the flap 3, the torque provided by the actuator 4 in the opening direction being less than that according to characteristic curve A.
  • the characteristic curve C1 shows the course of the torque exerted by the actuator 4 on the actuator arm 5 and thus on the flap 3.
  • This characteristic curve corresponds to the maximum setting of the torque in the opening direction (when using heavy furniture flaps 3), whereby an approximation of characteristic curve A is achieved for large angular positions - without taking into account the friction - from an open position of about 40 ° of the flap 3.
  • a negative force is exerted on the flap 3, so that the flap 3 is held in the closed end position with a locking force.
  • the flap 3 After passing through a dead center T1, the flap 3 is subjected to a high torque in the opening direction.
  • the actuator 4 When the flap 3 is closed again, the actuator 4 also exerts a high locking force (-4.8 Nm) on the flap 3 due to the high torque in the opening direction after the dead point T1 has passed. This high locking force has to be overcome every time by a user by exerting force on the flap 3.
  • the characteristic curve C2 shows the course of the torque exerted by the actuator 4 on the actuating arm 5 and thus on the flap 3 with a minimum setting of the torque acting in the opening direction, which is to be provided for light furniture flaps 3.
  • This low torque in the opening direction also leads to a lower locking force (-1.6 Nm) after passing through dead center T1, which a user has to overcome when opening the flap 3 without great effort.
  • the minimum or maximum spring force is set (characteristic curve C1 and characteristic curve C2) there is a considerable difference in the locking force (namely -1.4 Nm and -4.8 Nm), which is important for the person operating the flap 3 must open is disadvantageous.
  • the invention is now based on the basic idea of realizing the position of the dead center of the actuating arm 5 in an adjustable manner, so that the position of the dead center T1 continues in Adjusted towards the closed position of the flap 3 and is now positioned at dead center T2.
  • the characteristic curve D shows the torque curve of the actuator 4 with the maximum spring force set in the opening direction (that is, when using heavy flaps 3).
  • the actuating arm 5 passes through the dead center T2, whereby the shifted position of the dead center T2 on the basis of the diagram also makes it immediately clear that the locking force increases at a 0 ° opening angle of the flap 3 (but with the same torque in the opening direction like characteristic curve C1) significantly reduced by the force difference ⁇ M (-2.4 Nm instead of -4.8 Nm, i.e. by half).
  • Fig. 2a shows a piece of furniture 1 with a furniture body 2 and a flap 3 which can be moved upward relative to it and which is movably supported by actuators 4.
  • two actuating drives 4 are attached to opposite side walls of the furniture body 2.
  • the actuating drives 4 each have a housing 6 and at least one actuating arm 5 protruding from the housing 6, which in the assembled position is pivotably mounted about a horizontally running axis of rotation 13 and is connected to the flap 3.
  • the flap 3 can be moved, starting from a vertical closed position, into an open position located above the furniture body 2.
  • FIG. 2b shows a possible embodiment of an actuator 4 in a perspective view.
  • a spring device 8 (preferably with one or more compression springs) is supported in a stationary manner with one end region on a spring base 9 on a base plate 7 to be fastened to the furniture body 2.
  • a transmission mechanism 10 is provided which has a Fixed axis of rotation 12 includes pivotably mounted, two-armed lever 11 with two lever ends.
  • a first lever end of the two-armed reversing lever 11 is connected to the spring device 8 via a first joint 16, and a second lever end of the reversing lever 11 is connected to a thrust lever 15 via a second joint 17.
  • An actuator 19 is arranged at an end of the push lever 15 facing away from the joint 17.
  • a coupling device 18 is provided which couples the spring device 8, the axis of rotation 13 of the actuating arm 5 and the actuator 19 to one another.
  • the coupling device 18 has a lever 22 with a guide 21 that can be pivoted about a stationary hinge axis 20.
  • the position of the actuator 19 is adjustable by an adjusting device 23 (not shown here), so that by adjusting the actuator 19 in or on this guide 21 both the position of the dead center T1.
  • T2 of the actuating arm 5 as well as the force of the spring device 8 acting in the opening direction on the actuating arm 5 is adjustable.
  • the position of the actuator 19 is in a position adjacent to the fixed hinge axis 20 of the lever 22, so that the force arm formed between the hinge axis 20 and the actuator 19 is small and the torque acting on the actuator arm 5 in the opening direction is minimal .
  • This setting of the actuator 19 relative to the guide 21 is consequently used to move light furniture flaps 3 and corresponds to the characteristic curve C2 according to FIG Fig. 1 .
  • Fig. 3a shows a cross-section of the actuator 4, the spring device 8 being supported on the spring base 9 on the base plate 7.
  • the spring device 8 presses with a force F1 against the two-armed deflection lever 11.
  • the spring device 8 is connected to a first lever end of the deflection lever 11 via a joint 16, the joint 16 being immovably mounted relative to the fixed axis of rotation 12 of the deflection lever 11.
  • the distance between the joint 16 (on which the spring device 8 acts) and the fixed axis of rotation 12 of the reversing lever 11 cannot therefore be changed. This is very advantageous insofar as no adjustment path of the spring device 8 relative to the axis of rotation 12 of the reversing lever 11 has to be provided for setting the spring force.
  • the arrangement here of voluminous threaded spindles are dispensed with, as a result of which the actuator 4 can assume a very compact design.
  • the second lever end of the reversing lever 11 is connected to the push lever 15 via a joint 17, the push lever 15 being pressed by the force of the spring device 8 in the direction of the force F2.
  • the lever 22 of the coupling device 18 is pivotably mounted about a fixed hinge axis 20, the position of the actuator 19 being adjustable in or along the guide 21 by an adjusting device 23 having an adjusting wheel 24.
  • the adjusting wheel 24 can have a receptacle for an actuating tool, the position of the actuator 19 relative to the guide 21 being adjustable by rotating the receptacle by means of the actuating tool.
  • the adjusting wheel 24 is provided with a threaded section 25 which engages with a threaded receptacle 27 of an adjusting lever 26.
  • the threaded receptacle 27 is movably arranged on the lever 26 to compensate for lateral forces.
  • the adjusting lever 26 is connected on the one hand to the actuator 19 and on the other hand via a moving joint axis 28 to an intermediate lever 29, which in turn is connected to the actuating arm 5 via a joint 30.
  • Figure 3b shows the coupling device 18 with the adjusting device 23 in an enlarged view.
  • the adjusting lever 26 which is pivotably mounted about the moving hinge axis 28, can be pivoted together with the actuator 19 relative to the lever 22, the position of the actuator 19 in or along the guide 21 of the lever 22 being adjustable .
  • the setting device 23 By means of the setting device 23, the position of the actuator 19 in the direction of the joint axis 20 of the lever 22 can be adjusted towards and away from it, the relative distance between the actuator 19 and the joint axis 20 of the lever 22 in the direction X ( Fig. 4 ) along an imaginary connecting line 35 between the actuator 19 and the hinge axis 20 of the lever 22 can be reduced and enlarged.
  • the force of the spring device 8 acting in the opening direction on the actuating arm 5 can be adjusted.
  • the position of the actuator 19 can be set in a direction Y running transversely to the said imaginary connecting line 35, whereby the position of the dead center T1, T2 of the actuating arm 5 can be changed.
  • the lever 22 of the coupling device 18 is on the one hand pivotable about the stationary hinge axis 20, on the other hand the lever 22 with the intermediate lever 29 is above the two migrating joint axes 31 and 28 in connection.
  • a damping device 32 Fig.
  • the last closing path of the actuating arm 5 can be dampened up to the completely closed end position.
  • the hinge axis 31 strikes the piston of the damping device 32 and moves it relative to the cylinder against the resistance of a damping fluid.
  • Fig. 4 shows a cross section of the actuator 4, the actuator 19 being adjusted to the other end of the guide 21 by turning the adjusting wheel 24 of the adjusting device 23.
  • the actuating arm 5 is in a compared to the Figures 3a and 3b adjusted dead center position T2.
  • the joint 17, the actuator 19 and the joint axis 20 of the lever 22 are on a common, imaginary connecting line 35.
  • the relative distance of the actuator 19 relative to the joint axis 20 of the lever 22 was increased so that the force arm formed between the actuator 19 and the hinge axis 20 is enlarged and thus the torque acting in the opening direction on the actuator arm 5 has also been increased.
  • the position of the actuator 19 is also adjustable in a direction Y running transversely to the said imaginary connecting line 35, so that in addition to the force of the spring device 8 acting in the opening direction, the position of the dead center T1, T2 of the actuating arm 5 is also adjustable.
  • This setting of the actuator 19 relative to the guide 21 is consequently used to move heavy furniture flaps 3 and corresponds to the characteristic curve D according to FIG Fig. 1 .
  • the actuator 4 comprises a longitudinally extended main lever 33 which is pivotably connected to the base plate 7 via an articulated lever 34.
  • This main lever 33 is connected to the lever 22 via the hinge axis 36.
  • the lever 22 is, on the one hand, pivotably connected to the base plate 7 about the stationary hinge axis 20 and, on the other hand, pivotably connected to the intermediate lever 29 via the moving hinge axis 31.
  • the lever 22 is supported on the moving joint axis 28, about which the adjusting lever 26 is pivotably mounted.
  • the intermediate lever 29 is connected to the actuating arm 5 via the joint 30.
  • Fig. 5 shows the actuator 4 in an exploded view.
  • the spring device 8 is supported in an articulated manner on the base plate 7 on a spring base 9.
  • the transmission mechanism 10 comprises a two-armed deflection lever 11, pivotably mounted about a fixed axis of rotation 12, with two lever ends, a first lever end interacting with the spring device 8 and a second lever end - directly or indirectly - with the adjustable actuator 19.
  • the spring device 8 is connected via a joint 16 to the first lever arm of the two-armed reversing lever 11 which is pivotably mounted about the axis of rotation 12.
  • the second lever arm of the reversing lever 11 is connected to the multiply curved push lever 15 via a further joint 17.
  • the thrust lever 15 has an opening 37 through which a hinge pin designed as an actuator 19 extends.
  • the actuator 19 is adjustably mounted by an adjusting device 23 with an adjusting wheel 24 in or along - preferably continuously curved - guides 21 of the lever 22 so that the position of the point of application of the push lever 15 on the lever 22 can be changed relative to the pivot axis 20 of the lever 22 .
  • the lever 22 and the adjusting lever 26 are pivotably connected to one another via the hinge axis 28.
  • the threaded receptacle 27 for receiving the threaded section 25 of the adjusting wheel 24 is movably connected to the adjusting lever 26.
  • the main lever 36 is connected to the lever 22 via the hinge axis 36.
  • the intermediate lever 29 is connected on the one hand to the lever 22 via the hinge axes 31 and 28, and on the other hand to the actuating arm 5 via the hinge 30.
  • a fitting 38 is to be fastened to the flap 3 of the piece of furniture 1, the actuating arm 5 being releasably connectable to this fitting 38 via a snap connection.
  • the actuating arm 5 is preloaded on the one hand in a first pivot area in the direction of the outer end position by means of the spring device 8 and, starting from this dead center position, in a second pivot area in the direction of the inner end position also by means of this Spring device 8 is applied.
  • Fig. 6 shows an embodiment of an actuator 4 in a longitudinal section, the transmission mechanism 10 having an actuator 46 coupled to the actuator arm 5 in motion, a control cam 39 formed thereon and a pressure piece 40 loaded by the spring device 8, the pressure piece 40 when the Adjusting arm 5 can be moved along the control curve 39 of the adjusting part 46.
  • the pressure piece 40 is designed as a pressure roller 41 which is rotatably mounted about the actuator 19 and which runs along the control curve 39 of the actuator 46 when the actuator arm 5 moves.
  • the control cam 39 is formed by a circumferential surface of the actuating part 46 that is radially spaced apart relative to the axis of rotation 13.
  • the control cam 39 is designed as an adjusting contour which is eccentric relative to the axis of rotation 13 and which influences the movement behavior of the flap 3 in terms of force, so that the rotatably mounted pressure roller 41 exerts a torque on the adjusting arm 5 that is dependent on the pivoting position of the adjusting arm 5.
  • the actuating part 46 is formed in one piece with the actuating arm 5, but it is of course also possible to move the actuating part 46, which is coupled to the actuating arm 5 and with the control cam 39 formed thereon, at a different position along the position between the spring device 8 and the actuating arm 5 formed power train to be arranged.
  • the spring device 8 comprises a spring holder 47 with two parts 43 and 44 which can be moved relative to one another, between which several compression springs 48 ( Fig. 9 ) are included.
  • a first part 43 of the spring holder 47 is supported on the spring base 9, the spring-loaded part 44, which is displaceable relative thereto, is connected via a hinge 42 to an adjusting lever 26, which is pivotably mounted on the lever 22 of the coupling device 18 about the moving hinge axis 28.
  • the coupling device 18, which couples the spring device 8, the axis of rotation 13 of the actuating arm 5 and the actuator 19 with one another, comprises a lever 22 pivotable about a fixed hinge axis 20 with a guide 21 along which the actuator 19 is mounted to be adjustable to a limited extent by an adjusting device 23 .
  • the actuator 19 with the rotatable pressure roller 41 mounted on it is arranged on an adjusting lever 26 which is pivotably connected to the lever 22 via a moving hinge axis 28.
  • the threaded section 25 of an adjusting screw can be rotated by a rotary movement of the adjusting wheel 24 of the setting device 23 brought about by means of an actuating tool, so that the threaded receptacle 27 can be moved along the threaded section 25 and thus the pivot position of the adjusting lever 26 relative to the lever 22 can also be adjusted.
  • This adjustment of the Adjusting lever 26, the position of the actuator 21 arranged thereon (and thus the position of the pressure roller 41) along the guide 21 can also be adjusted.
  • the adjusting lever 26 has a contour 45 in the form of a curved elongated hole, so that the adjusting lever 26 with the pressure roller 41 can also be moved relative to the lever 22 during a pivoting movement of the adjusting arm 5, that is, the threaded receptacle 27 is when the adjusting arm 5 moves along the Contour 45 of the adjusting lever is movably supported.
  • the dead center of the transmission mechanism 10 is also determined by an apex of the control cam 39, ie by that area of the control cam 39 which has the greatest radial distance with respect to the axis of rotation 13 of the actuating arm 5.
  • T2 of the transmission mechanism 10 and the preload of the spring device 8 are adjustable.
  • the setting shown of the actuator 19 relative to the guide 21 is used to move light furniture flaps 3 and corresponds to the characteristic curve C2 according to FIG Fig. 1 .
  • Figures 7a and 7b show side views of the actuator 4 according to Fig. 6 each with an actuating arm 5 in the fully closed position.
  • Figure 7a shows the setting of the actuator 19 relative to the guide 21, this setting being used for moving light flaps 3.
  • the bias of the spring device 8 is relatively low, which can be seen from the spaces formed between the spring coils.
  • Figure 7b shows, however, the setting of the actuator 19, which is compared to Figure 7a at the other end of the guide 21 is located.
  • This setting of the actuator 19 relative to the guide 21 according to FIG Figure 7b is used for heavy furniture flaps 3.
  • the bias of the spring device 8 is very high, which can be seen from the direct contact between the spring coils of the compression springs 48. Based on a comparison of the spring device 8 according to FIG Figures 7a and 7b the different bias of the spring device 8 is clearly evident.
  • Figures 8a and 8b show side views of the actuator 4, each with an actuator arm 5 in differently set dead center positions.
  • the setting of the actuator 19 relative to the guide 21 according to FIG Figure 8a corresponds to that according to Figure 7a , this setting being provided for moving flaps 3 more easily.
  • the spring device 8 according to Figure 8a is slightly biased, the dead center position T1 of the actuating arm 5 is - starting from the completely closed end position of the actuating arm 5 - at an opening angle of about 16 °.
  • the setting of the actuator 19 relative to the guide 21 according to Figure 8b is therefore provided for moving heavy flaps 3.
  • the spring device 8 according to Figure 8a is more compressed, whereby the spring device 8 exerts a correspondingly high torque in the opening direction on the actuating arm 5 after overcoming the dead center position, although the locking force of the actuating arm 5 can be kept low in the closed position.
  • the dead center position T2 of the actuating arm 5 can be reduced in size - starting from the completely closed end position of the actuating arm 5 - by adjusting the actuator 19 along the guide 21 and is in the position shown Figure 8b at an opening angle of about 13 °.
  • the distance between the actuator 19 and the fixed joint axis 20 and, on the other hand, the position of the moving joint axis 28 relative to the fixed joint axis 20 can be changed, which results in different lever ratios in addition to a changed dead center position.
  • the setting shown of the actuator 19 relative to the guide 21 is used for heavy furniture flaps 3 and corresponds to the characteristic curve D according to FIG Fig. 1 .
  • Fig. 9 shows an exploded view of the actuator 4 according to the embodiment of FIG Figures 6 , 7a , 7b , 8a, 8b .
  • the spring device 8 comprises a spring holder 47 with a first part 43 which is supported on the spring base 9. This first part 43 is provided with rods 49 which are provided for the optional and exchangeable accommodation of two or more compression springs 48.
  • the second part 44 of the spring holder 47 loaded by the compression springs 48 engages the lever 22 via a joint 42.
  • the lever 22 is mounted so as to be pivotable about a stationary hinge axis 20 relative to the base plate 7.
  • a pivotably mounted adjusting lever 26 with a contour 45 for the displaceable mounting of a threaded receptacle 27 is arranged via a moving hinge axis 28 facing away from the lever 22.
  • This threaded receptacle 27 has a cylindrical circumferential surface and is provided for receiving a threaded section 25 which can be rotated via an adjusting wheel 24 of an adjusting device 23.
  • the adjusting lever 26 can be adjusted towards and away from the adjusting wheel 24, so that the actuator 19 mounted on the adjusting lever 26 with the pressure pieces 40 mounted thereon in the form of pressure rollers 41 can be adjusted along a guide 21 arranged on the lever 22 is.
  • the actuator 19, which can be adjusted by the setting device 23, is connected in a movement-coupled manner to the pressure roller 41, whereby it is preferably provided that the adjustable actuator 19 forms the axis of rotation for the rotatable pressure roller 41.
  • the pressure pieces 40 in the form of the pressure rollers 41 are mounted such that they can be moved along control cams 39 by actuating parts 46.
  • the actuating parts 46 are designed in one piece together with the actuating arms 5 and are mounted pivotably about the fixed axis of rotation 13.

Landscapes

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

Claims (6)

  1. Servomoteur (4) destiné à déplacer un volet (3) d'un meuble (1), comprenant :
    - au moins un bras de manœuvre (5) posé en pivotement autour d'un axe de rotation (13) pour déplacer le volet (3),
    - un dispositif à ressort (8) pour solliciter par la force le bras de manœuvre (5), dans lequel le dispositif à ressort (8) présente au moins un ressort à vis, de préférence au moins un ressort à pression (48),
    - un mécanisme de transmission (10) pour transmettre une force du dispositif à ressort (8) au bras de manœuvre (5) dans une direction de fermeture et après dépassement d'un point mort (T1, T2) pour transmettre une force du dispositif à ressort (8) au bras de manœuvre (5) dans une direction d'ouverture,
    - un dispositif de réglage (23) par lequel un organe de manœuvre (19) du servomoteur (4) peut être ajusté dans sa position dans ou contre un guidage (21),
    - un dispositif de couplage (18), lequel couple ensemble le dispositif à ressort (8), l'axe de rotation (13) du bras de manœuvre (5) et l'organe de manœuvre (19), dans lequel le dispositif de couplage (18) présente au moins un levier (22) posé en rotation autour d'un axe d'articulation (20), dans lequel le guidage (21) est agencé ou conçu contre ce levier (22),
    - dans lequel le servomoteur (4) présente un unique dispositif de réglage (23), dans lequel par ajustement de l'organe de manœuvre (19) dans ou contre le guidage (21) tant la position du point mort (T1, T2) du bras de manœuvre (5) que la force du dispositif à ressort (8) agissant dans la direction d'ouverture peut être réglée de façon modifiable sur le bras de manœuvre (5), de sorte que, lors d'une augmentation de la force agissant dans la direction d'ouverture, tout angle de pivotement du bras de manœuvre (5), avec laquelle force la position du point mort (T1, T2) se présente, peut aussi être réduit, dans lequel un angle de pivotement de 0° correspond à une position de fermeture complète du volet (3), dans lequel la position de l'organe de manœuvre (19) dans ou contre le guidage (21) peut être ajustée par le dispositif de réglage (23) dans la direction de l'axe d'articulation (20) du levier (22) ou en éloignant de celle-ci, dans lequel la distance relative entre l'organe de manœuvre (19) et l'axe d'articulation (20) du levier (22) peut être augmentée et réduite dans la direction (X) le long d'une ligne de liaison (35) virtuelle entre l'organe de manœuvre (19) et l'axe d'articulation (20) du levier (22), et dans lequel la position de l'organe de manœuvre (19) dans ou contre le guidage (21) peut être réglée par le dispositif de réglage (23) dans une direction (Y) se déroulant transversalement à ladite ligne de liaison (35) virtuelle, dans lequel
    - soit le mécanisme de transmission (10) présente une pièce de manœuvre (46) couplée en mouvement au bras de manœuvre (5), une courbe de commande (39) et un patin de serrage (40) sollicité par le dispositif à ressort (8), dans lequel le patin de serrage (40) peut être déplacé le long de la courbe de commande (39) lors d'un déplacement du bras de manœuvre (5), dans lequel par ajustement de l'organe de manœuvre (19) dans ou contre le guidage (21) la position du patin de serrage (40) peut être réglée de façon modifiable, dans lequel le patin de serrage (40) est conçu en tant que rouleau de pression (41) posé en rotation et dans lequel l'organe de manœuvre (19) forme l'axe de rotation du rouleau de pression (41),
    - soit le mécanisme de transmission (10) présente un levier de renvoi (11) à deux bras posé en pivotement autour d'un axe de rotation (12), avec deux extrémités de levier, dans lequel une première extrémité de levier coopère avec le dispositif à ressort (8) et une seconde extrémité de levier coopère avec l'organe de manœuvre (19).
  2. Servomoteur selon la revendication 1, caractérisé en ce que la position du point mort (T1, T2) du bras de manœuvre (5) - partant de la position de fermeture complète du bras de manœuvre (5) - peut être réglée de façon modifiable par le dispositif de réglage (23) entre 10° et 30°, de préférence entre 15° et 25°.
  3. Servomoteur selon la première variante de la revendication 1 et optionnellement selon la revendication 2, caractérisé en ce que le dispositif à ressort (8) vient en prise contre l'organe de manœuvre (19) via au moins un levier de poussée (15) et en ce que l'axe de rotation (13) du bras de manœuvre (5) est couplé à l'organe de manœuvre (19) via au moins un levier d'ajustement (26), dans lequel par ajustement de l'organe de manœuvre (19) dans ou contre le guidage (21) tant la position du levier de poussée (15) que la position du levier d'ajustement (26) peut être réglée de façon modifiable par rapport au levier (22).
  4. Servomoteur selon la première variante de la revendication 1 ou selon la revendication 3, caractérisé en ce que le dispositif à ressort (8) est relié à la première extrémité de levier du levier de renvoi (11) via une articulation (16), dans lequel l'articulation (16) est posée de façon non ajustable par rapport à l'axe de rotation (12) du levier de renvoi (11).
  5. Servomoteur selon l'une des revendications 1 à 4, caractérisé en ce que le dispositif de réglage (23) présente une roue d'ajustement (24), dans lequel la position de l'organe de manœuvre (19) dans ou contre le guidage (21) peut être réglée par rotation de la roue d'ajustement (24).
  6. Agencement avec un volet (3) d'un meuble (1) et avec un servomoteur (4) selon l'une des revendications 1 à 5, dans lequel le volet (3) peut être déplacé par le servomoteur (4) depuis une position de fermeture verticale jusque dans une position d'ouverture se trouvant au-dessus d'un corps de meuble (2).
EP15705474.3A 2014-03-13 2015-01-19 Bras de commande pour un abattant de meuble Active EP3117060B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20191340.7A EP3754143A1 (fr) 2014-03-13 2015-01-19 Servomoteur pour abattants de meuble

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA179/2014A AT515493A1 (de) 2014-03-13 2014-03-13 Stellantrieb für Möbelklappen
PCT/AT2015/000005 WO2015135005A1 (fr) 2014-03-13 2015-01-19 Mécanisme de commande pour abattants de meuble

Related Child Applications (1)

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EP3117060B1 true EP3117060B1 (fr) 2020-08-26

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EP15705474.3A Active EP3117060B1 (fr) 2014-03-13 2015-01-19 Bras de commande pour un abattant de meuble

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EP (2) EP3754143A1 (fr)
JP (1) JP6291076B2 (fr)
CN (1) CN106103873B (fr)
AT (2) AT515493A1 (fr)
DE (1) DE202015009804U1 (fr)
ES (1) ES2831425T3 (fr)
HU (1) HUE051521T2 (fr)
RU (1) RU2644040C1 (fr)
WO (1) WO2015135005A1 (fr)

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EP3754143A1 (fr) 2020-12-23
EP3117060A1 (fr) 2017-01-18
JP6291076B2 (ja) 2018-03-14
CN106103873B (zh) 2018-03-20
US9719283B2 (en) 2017-08-01
ES2831425T3 (es) 2021-06-08
HUE051521T2 (hu) 2021-03-01
JP2017509814A (ja) 2017-04-06
AT515493A1 (de) 2015-09-15
AT16873U1 (de) 2020-11-15
DE202015009804U1 (de) 2020-03-19
US20160333620A1 (en) 2016-11-17
RU2644040C1 (ru) 2018-02-07
WO2015135005A1 (fr) 2015-09-17
CN106103873A (zh) 2016-11-09

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