EP3484326A1 - Dispositif d'entraînement pour un élément de meuble mobile et procédé d'ouverture et de fermeture d'un élément de meuble mobile - Google Patents

Dispositif d'entraînement pour un élément de meuble mobile et procédé d'ouverture et de fermeture d'un élément de meuble mobile

Info

Publication number
EP3484326A1
EP3484326A1 EP17748655.2A EP17748655A EP3484326A1 EP 3484326 A1 EP3484326 A1 EP 3484326A1 EP 17748655 A EP17748655 A EP 17748655A EP 3484326 A1 EP3484326 A1 EP 3484326A1
Authority
EP
European Patent Office
Prior art keywords
furniture part
movable furniture
driver
drive device
carriage
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
EP17748655.2A
Other languages
German (de)
English (en)
Other versions
EP3484326B1 (fr
Inventor
Patrick Freiheit
Stefan Klaus
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.)
Paul Hettich GmbH and Co KG
Original Assignee
Paul Hettich 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 Paul Hettich GmbH and Co KG filed Critical Paul Hettich GmbH and Co KG
Publication of EP3484326A1 publication Critical patent/EP3484326A1/fr
Application granted granted Critical
Publication of EP3484326B1 publication Critical patent/EP3484326B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/453—Actuated drawers
    • A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
    • A47B88/463—Actuated drawers operated by mechanically-stored energy, e.g. by springs self-opening

Definitions

  • the present invention relates to a drive device for a movable furniture part, in particular a drawer, with an ejection device which has a biased by a power storage carriage which can be coupled via a driver with a movable furniture part, wherein in an unlocking of the ejection device, the movable furniture part of a Overpressure or closed position, a first distance on the carriage and the driver is accelerated in an opening direction and after the first distance the movable furniture part is movable a second distance at which the driver is movable relative to the carriage, and a method for opening a movable furniture part.
  • Damping device is provided.
  • the movable furniture part is to be slowed down so that it is not ejected at too high a speed and a hard stop of the movable furniture part is prevented when extending into the open position.
  • the speed of the movable furniture part depends on the loading condition, and especially with drawers, the difference between empty travel and loading can be up to 80 kg.
  • the springs of the energy storage device must be designed for the load condition, so that sometimes high forces act during ejection. In the solution shown, however, it is disadvantageous that the damper already acts during the ejection process and thus deprives the spring accumulator of the energy. The result of this is that the springs of the energy accumulator have to introduce even more energy into the system, which is disadvantageous for the user since he has to use this energy again when closing the drawer in order to tension the energy accumulator.
  • a sliding arrangement in which a Ausschiebean extract comprises a sliding piece which is adjustable between an insertion position and a Ausschub ein by means of a spring element.
  • the sliding piece is spring-loaded on a first adjustment path. beats adjusted and adjusted in a subsequent second adjustment without spring action in a freewheel the Ausschiebean eleven.
  • This object is achieved with a drive device having the features of claim 1 and a method having the features of claim 11.
  • a movable furniture part is accelerated over a discharge device a first distance via a carriage and a driver in the opening direction, and after the first distance the movable furniture part is moved a second distance at which the driver is movable relative to the carriage, wherein Braking forces act on the driver and the movable furniture part during the second route.
  • the movable furniture part can be accelerated over the ejection device a first distance in the opening direction to be decelerated then after this first distance over a second distance, the braking forces are significantly lower than the forces in the ejection direction, since at the end of the second path a movement of the movable furniture part is to be permitted in the opening direction.
  • the damping or braking device is therefore effective only after the first distance, which is why the energy storage for the ejector does not have to work against the braking or damping device, but only the inertial forces of the movable furniture part must be overcome in the first path.
  • braking forces are generated by means of sliding friction. It can act between the driver and a control braking forces that can be supported by springs if necessary.
  • Other brake elements or dampers can be used for braking.
  • the ejection device preferably has a housing, on which the carriage and the driver are guided. This leads to a particularly compact design of the ejection device.
  • the carriage and the driver can be coupled via a control which is movably mounted on the carriage.
  • the control element may have a first pin, which is guided in a guide track on the housing of the ejection device, and a second pin which engages in a path on the driver.
  • a coupling of the driver to the carriage in the feed direction can be effected in the pull-in direction for a coupling of the driver to the carriage in the extension direction.
  • a clamping region for the energy accumulator is arranged offset from an ejection region of the ejection device during a closing movement in the opening or closing direction.
  • the tensioning of the force accumulator takes place, for example, in a range between 80 to 40 mm before the closing position, while the ejection of the movable furniture part from the closed position or an overpressing position to 40 or 60 mm in the opening direction.
  • the braking forces are speed-dependent, and at a higher speed of the movable furniture part higher braking forces are generated than at a low speed of the movable furniture part.
  • the high speeds of the furniture part are slowed down more than lower speeds, which avoids hard stop noises when moving the movable furniture part in the opening direction.
  • the drive device preferably also has a collection device, by means of which the movable furniture part is movable in a catchment area into the closed position.
  • the collection device can be positioned at a distance from the ejection device, for example, on a pullout guide.
  • a track is preferably formed on the carrier for coupling to the control element, which has two angled end sections and a central section.
  • the middle section is aligned at least in regions, preferably completely, inclined to the opening and closing direction, so that when moving the driver relative to a run in the web control frictional forces are applied.
  • the angle of inclination to the opening and closing direction of the web can be, for example, in a range between 1 ° and 25 °, in particular 5 ° to 17 °.
  • the tilt angle ensures that the control generates a force component opposite to the direction of movement of the driver. In the first path, the control generates a force component in the direction of movement of the driver.
  • the movable furniture part is first accelerated along a first path to a first opening position. After the first distance, the movable furniture part is braked along a second distance between the first opening position and a second, further in the opening direction opening position to then decouple the movable furniture part of a driver of the ejection device and to move the movable furniture part in the opening direction in the freewheel.
  • freewheel refers to the forces by the ejection device and not the other forces in the system by friction, which act for example by a pullout guide on the movable furniture part.
  • the forces for the actuation of the movable furniture part can be optimized for the user, in particular, the spring force of the energy storage device can be kept comparatively low, since this does not have to work against a damping device.
  • the spring force of the energy storage device can be kept comparatively low, since this does not have to work against a damping device.
  • the user has to apply lower braking forces than if the moveable furniture part is moved in the free direction in the opening direction after the first distance.
  • a hard and loud stop the empty movable furniture part at the end of Auszugweges is avoided, which occurs when the movable furniture part is moved after the first distance in the freewheel in the opening direction.
  • Figure 1 is an exploded perspective view of a piece of furniture with a drive device according to the invention
  • Figure 2 is a perspective view of a drawer with two drive devices
  • Figure 3 is a perspective view of an inventive
  • FIGS. 4A and 4B are two exploded views of the drive device of Figure 3;
  • Figure 5 is a view of the housing of the drive device of Figure 3;
  • Figures 6A and 6B are two views of the drive device of Figure 3 in a closed position
  • FIGS. 7A and 7B show two views of the drive device of FIG. 3 in an overpressure position
  • Figures 8A and 8B are two views of the drive device of Figure 3
  • Figures 9A and 9B are two views of the drive device of Figure 3 upon unlocking the actuator
  • Figures 10A and 10B show two views of the drive device of Figure 3 in an open position
  • Figures 1 1 A and 1 1 B show two views of the drive device of Figure 3 during the clamping operation in a movement in the closing direction
  • Figures 1 2A and 12B show two views of the drive device of Figure 3 in a Mathdrückwolf.
  • Figures 3A and 13B show two views of the drive device of Figure 3 with the switching element locked;
  • Figure 14 is a path-time diagram of a normal closing movement;
  • Figure 15 is a path-time diagram of a closing movement with
  • Figure 1 6 is a detail view of the drive device of Figure 3 during the opening movement
  • FIG. 17 shows a detailed view of the drive device of FIG. 3 during an opening movement
  • Figure 18 is a detail view of the drive device of Figure 3 in an open position
  • Figure 19 is a velocity-displacement diagram of a heavy movable furniture part
  • Figure 20 is a speed-way diagram of a light movable furniture part.
  • a piece of furniture 1 comprises a body 2 shown schematically in FIG. 1, on which one or more drawers can be movably mounted as movable furniture parts 3.
  • Each drawer 3 is guided on opposite sides via a pullout guide 5, wherein the pullout guide 5 is fixed via a bracket 9 to a side wall of the body 2 and the drawer 3 is fixed to a movable running rail of the pullout guide 5.
  • a front panel 4 of the drawer is at a small distance from the body 2, for example, between 1 mm and 6 mm, to be pressed from this closed position slightly further into the body 2 in an overpressure position to unlock an ejector 6.
  • each ejection device 6 can be coupled at least in a closed area with an activator 7, which is fixedly connected directly or indirectly with the body 2.
  • Each ejection device 6 can thus be supported on the activator 7 to eject the drawer as the movable furniture part 3.
  • Each drawer slide 5 is in a side frame 8 of Drawer arranged.
  • the ejection device 6 stationary on the body 2 and the activator 7 on the drawer 3.
  • the number and arrangement of the ejection devices 6 can be varied on the movable furniture part 3. It is also possible that the ejection device 6 on the carcass rail or a
  • Carcass rail holder a pull-out guide 5 is arranged and the activator angeordent to the drawer rail.
  • the activator can also be formed directly by a movable furniture part or an immovable part, so that the function of the activator does not require a separate component.
  • Each pullout guide 5 may be coupled to a self-closing pull, which pulls a movable running rail of the pullout guide 5 in a catchment area in the closing direction and optionally brakes by a damper.
  • a pull-out guide 5 with a self-closing mechanism is disclosed, for example, in the documents DE 1 0 201 1 053 840 A1 or DE 1 0 201 1 054 441 A1, to which reference is made.
  • the ejection device 6 is shown, which is arranged in a housing 1 0. On a longitudinal edge of the housing 1 0 a guide 1 1 is provided in the form of a web on which a driver 12 is movably mounted.
  • the driver 12 is connected to a coupling element 1 3, which forms a contact surface for the activator 7. Since the coupling element 1 3 has a magnet, both tensile and compressive forces can be transmitted between the driver 1 2 and the activator 7.
  • an adjusting mechanism 1 5 is provided by means of which the position of the coupling element 1 3 relative to the driver 1 2 is adjustable.
  • the coupling element 1 3 may alternatively be designed as a guided in a guide gripper or other mechanically releasable coupling.
  • a carriage 30 which is slidably mounted in the longitudinal direction of the housing 1 0 in a 20rac.
  • On the receptacle 20 of the housing 1 0 is located on a front side a bracket 21 to one end of a force accumulator in the form of at least one spring 22, in particular a tension spring set.
  • two springs 22 are provided, which are each arranged in a spring retainer 31 on the carriage 30.
  • An opposite end the spring 22 is fixed to a spring holder 32 on the carriage 30, so that the carriage 30 is biased in the opening direction on the housing 1 0.
  • the number of springs 22 can be selected depending on the purpose of the drive device.
  • the housing 10 can be closed via a cover 14.
  • a receptacle 33 for guiding a control element 40 is also provided.
  • side walls 38 are arranged, which cause a guide of the control element 40 substantially perpendicular to the opening direction.
  • a receptacle 37 is further provided on a side wall 38 to which a protruding web 43 of the control member 40 is feasible to insert the control member 40 in the receptacle 33 can.
  • the control element 40 is plate-shaped and has protruding sliding elements 44 which bear against the side walls 38 of the receptacle 33.
  • the control element 40 comprises a first pin 41, which is guided in a guide track 1 7 on the housing 1 0.
  • a second pin 42 is further provided, which is guided on the driver 1 2.
  • a guide track 1 6 is formed on the driver 1 2.
  • a cam guide 34 is further provided, by means of which a gear 36 is guided.
  • the gear 36 engages with a locking projection 35 in the cam guide 34 and is part of a backstop.
  • a rack 19 is formed, as can be seen in the detail view of Figure 5.
  • the gear 36 is guided with a pin in a loop-shaped guide track 1 8 of the housing 10, wherein a portion of the guide rail 1 8 in the tensioning direction past the rack 1 9, while a portion for opening movement, the gear 36 spaced from the rack 1 9 leads. If a clamping operation of the ejector 6 is stopped, the gear 36 engages the rack 1 9 and thus prevents ejection of the movable furniture part.
  • a backstop is described for example in DE 1 0 201 6 1 07 91 8. Such a backstop is advantageous for the present ejection device, but can optionally also be omitted.
  • an actuating element 50 is further provided, which is held displaceably in an actuating element receptacle 26 ( Figure 5) on the housing 10.
  • a box-shaped portion 55 engages in the actuating element receptacle 26, while a web 56 is received at an end portion 27 of the housing 10.
  • a bearing 52 is formed for a rotatable switching element 60 having a lever arm, at the end a pressure piece 62 is provided.
  • an elongated recess 61 is provided, in which a web 66 of a rotary damper 65 engages, which is non-rotatably coupled to the switching element 60.
  • the rotary damper 65 is held on the actuator 50 via a boom 67, so that upon rotation of the switching element 60 of the rotary damper 65 is actuated and generates a braking action.
  • Switching element 60 also has a protruding arm 63, which cooperates with stops on the actuating element 50 in order to limit the rotational movement of the switching element 60.
  • the actuating element 50 is biased by a spring 68 into an initial position.
  • the spring 68 is deposited in a spring receptacle 69 on the actuator 50 ( Figure 4B), wherein the spring 68 abuts on an end face on the actuator 50 and on the opposite side to a wall of the housing 10.
  • the spring 68 is formed as a compression spring and thus biases the actuator 50 in the opening direction.
  • a bow spring 64 is further mounted, which biases the switching element 60 in a first position.
  • the bow spring 64 bears with one end on the arm 63 and is supported at the opposite end to the actuator 50.
  • a web 53 is further formed, on which a part 51 of a locking receptacle for the pin 41 of the control element 40 is provided.
  • the part 51 of the locking receptacle is formed as a projection.
  • a latching lug 54 is also provided, which can provide for a locking of the
  • FIGs 4A and 4B also a control rocker 70 is shown, which serves to actuate the switching element 60.
  • the control rocker 70 is rotatably mounted about a rotation axis 71, which is inserted into a bearing receptacle 74 on the housing 10.
  • the control rocker 70 has a boom 72 which acts on the switching element 60 to pivot it.
  • a guide cam 73 is provided on the control rocker 70, which cooperates with the driver 12.
  • the driver 12 is moved along the housing 10, the driver 12, the control rocker 70 about the axis of rotation 71st pivot and thus actuate the switching element 60.
  • a cam guide 75 is formed for the guide cam 73 to make an operation of the switching element 60 only over a defined path of the driver 12.
  • the housing 10 is shown without the lid 14 and the other components.
  • a guide track 17 is formed for the first pin 41 of the control element 40.
  • the guideway 1 7 is designed schla fen fenförmig.
  • a first part 23 of a locking receptacle is provided, on which the pin 41 for latching the ejection device 6 can be stored.
  • the second part 51 of the locking receptacle is formed on the actuating element 50.
  • the latching receptacle When the second part 51 of the latching receptacle is arranged adjacent to the first part 23 of the latching receptacle, the latching receptacle is in a closed position, and the pin 41 can be deposited there in order to lock the ejection device 6 in a closed position. If the actuating element 50 is moved relative to the housing 10, the second part 51 of the latching receptacle moves away from the first part 23, so that the latching receptacle is moved into the unlocking or release position and the pin 41 can no longer be deposited in the latching receptacle.
  • a locking projection 25 is further formed in the region of the guide track 1 7, which cooperates with the latching lug 54 on the actuating element 50 in order to lock the actuating element 50 in an unlocking or release position for the control 40 can.
  • the ejection device 6 is in a closed position.
  • the pin 41 of the control element 40 is in the locking receptacle, which is formed by the first part 23 on the housing 1 0 and the second part 51 on the carriage 50.
  • the latching receptacle is in the closed position, and the ejection device 6 is latched via the pin 41 and the latching receptacle against the force of the springs 22.
  • the second pin 42 of the control element is located at an angled end of the guide track 1 6 on the driver 1 second If the ejection device 6 is to be unlocked, the movable furniture part 3 or the drawer is moved from the closed position into an overpressure position, as shown in FIGS. 7A and 7B.
  • the control element 40 is pressed against the force of the springs 22, which are held on the carriage 30, wherein the movable furniture part on the driver 12 and the pin 42 acts on the control 40.
  • the first pin 41 presses against the pressure piece 62 on the switching element 60, which moves the actuator 50 against the force of the spring 68 relative to the housing 1 0.
  • the second part 51 of the latching receptacle also shifts relative to the first part 23.
  • the pin 41 can now pass through the gap between the first part 23 of the locking receptacle and the second part 51, as shown in Figures 8A and 8B.
  • the driver 1 2 is coupled via the second pin 42 with the control element 40 in the extension direction, so that the movable furniture part is ejected by the driver 1 2.
  • the actuator 50 is pressed by the spring 68 in the opening direction until the latching lug 54 rests against the latching projection 25 of the housing 10.
  • the locking receptacle remains in a release position.
  • the distance between the two parts 23 and 51 of the locking receptacle is so large that the pin 41 can pass between them.
  • the carriage 30 with the control element 40, and thereby also the driver 1 2 with the movable furniture part further moves in the opening direction until the position shown in Figure 9 is reached.
  • the first pin 41 on the control element 40 rests against a contact slope 57 on the web 53 and thus releases the detent lug 54 from the detent projection 25.
  • the actuating element 50 can be moved further in the opening direction by the force of the spring 68 in order to move the locking element Close locking receptacle.
  • the movable furniture part 3 is now moved further in the opening direction until the first pin 41 impinges on a run-on slope 45 of the guide track 1 7 in order to move the control element 40 on the carriage 30.
  • the second pin 42 moves out of the angled end section of the guide track 16 and can thus be moved along the middle section of the guide track 16, which extends slightly inclined to the closing and opening direction. is directed to move the driver 1 2 further along the guide 1 1 on the housing.
  • FIGS. 10A and 10B show a position of the ejection device 6 in which the movable furniture part 3 can move away from the driver 12.
  • the coupling between driver 1 2 and activator 7 by overcoming the magnetic force of the arranged on the driver 1 2 magnetic coupling element 1 3 is released.
  • the second pin 42 has been moved to the angled end portion of the guide track 1 6, and the first pin 41 is located at a tip end of the guide track 1 7th
  • the activator 7 is moved against the driver 1 2, which is coupled via the second pin 42 to the control element 40.
  • the control member 40 thus moves together with the carriage 30 in the closing direction, thereby biasing the springs 22.
  • the pin 41 moves in the figures 10 and 1 1 on the left side of the loop-shaped track 17.
  • tensioning the spring 22 is also the Backstop activated with the gear 36, which is moved along the rack 1 9 on the housing. If the clamping operation is canceled, the gear 36 of the backstop secures the hitherto cocked position of the carriage 30th
  • the springs 22 stretched over the carriage 30, and on the other hand reaches an edge of the driver 1 2 with the cam guide 75 against the guide cam 73 on the control rocker 70th If the driver 1 2 against the guide cam 73 presses, the control rocker 70 is pivoted about the axis of rotation 71 and presses with the arm 72 against the switching element 60, which is pivoted from the first position in which an unlocking of the ejector is possible, in a second position, in the Unlocking the ejector 6 is not allowed.
  • Such a self-closing draws the movable furniture part in a closed position, wherein preferably a damper is provided, which brakes the closing movement of the movable furniture part.
  • a damper is provided, which brakes the closing movement of the movable furniture part.
  • the user does not need to spend any more operating force, but can leave the control of the movable furniture part to self-closing. If now the driver 1 2 slowly moves over the self-closing in the closed position, the cam guide 75 comes with a recess in the region of the guide cam 73, so that the control rocker 70 can be pivoted by the force of the bow spring 64, since the switching element 60 on the Force of the bow spring 64 is pivoted back into the first position in which an unlocking of the ejector 6 is made possible.
  • the second pin 42 is then located at the angled end portion of the guide track 1 6, and it is achieved the closing position shown in Figure 6A and 6B.
  • this type of closing operation no pushing of the drawer over the closed position out into the overpressure position, and the user can again immediately after reaching the closed position cause unlocking of the ejector 6, since upon reaching the closed position on the pivoting of the switching element 60 in the first position unlocking is made possible.
  • the springs 22 ensure that the driver 12 and the control element 40 are moved in the opening direction relative to the housing 10 until the first pin 41 is deposited on the latching receptacle that passes through the the first part 23 is formed on the housing 1 0 and the second part 51 on the actuator 50, and in the fi Guren 6A and 6B shown position is reached.
  • the pin 41 on the locking receptacle takes place at the same time a movement of the driver 1 2 along the housing 1 0, so that on the cam guide 75 of the guide cam 73 is released so far that the switching element 60 by the force of the bow spring 64 from the second position can be pivoted to the first position. Immediately after reaching the closed position can thus again be an opening operation.
  • the return pivoting movement of the switching element 60 through the rotary damper 65 can be slowed down, depending on which time period is to be waited for.
  • a time delay is only optional, as even after an overpressure of the movable furniture part in the overpressure immediate opening is possible as soon as the movable furniture part has reached the closed position.
  • Simple mechanical timers are, for example, suction cups with a small hole, which release the contact with a surface due to the inflowing air, or an elastomer with a slowed-down restoring movement.
  • the spring 64 can be dispensed with for the return movement, since the elastomer itself can have a resilient effect.
  • FIG. 14 shows a path-time diagram in which a closing process is shown in which no overpressing position is reached.
  • the movable furniture part 3 is moved in the closing direction, and in a first section of the force accumulator is tensioned on the carriage 30.
  • the self-closing can take over, and the movement of the movable furniture part 3 in the closing direction is decelerated, as indicated by the curved course in the region of the feeder ,
  • the movable furniture part 3 then reaches the closed position, and there is no movement, until the user moves the movable furniture part 3 in the overpressure position and thus the ejector 6 unlocked.
  • the closing operation can also take place in an overpressure position, wherein the movable furniture part 3 is moved in the clamping direction and in the catchment area in the closing direction, via the closed position also in the overpressure.
  • the overpressure position the movable furniture part can be held as long as desired until it is released by the user, in order then to be moved into the closed position.
  • the movable furniture part 3 is arranged in the closed position, it can be opened again.
  • the switching element 60 is rotatably mounted GE. It is also possible to provide a displaceably mounted switching element 60 in a mechanism for the overpressure protection.
  • Carriage 30 is located just before reaching its end position on the housing 1 0.
  • the first pin 41 moves straight against the run-on slope 45 on the guide track 1 7, so that the control element 40 is moved not only with the carriage 30 in the opening direction, but also in Figure 1 6 slightly to the right, so that the second pin 42 from the Angled end portion of the guide track 1 6 is moved out and thus a coupling between the control element 40 and the driver 1 2 is unlocked.
  • the second pin 42 moves relative to and along the guide track 1 6, which is slightly inclined to the opening and closing direction, for example in one Angle between 1 ° and 20 °, in particular 5 ° to 1 5 °, so that the control element 40 is moved in the further opening movement in Figure 1 7 to the right.
  • frictional forces which slightly slow down the movement of the driver 1 2, act via the control element 40 and the pins 41 and 42.
  • the carriage 30 is only slightly moved in this area in the opening direction, but can also be arranged stationary.
  • the driver 12 moves along with the movable furniture part 3 in the opening direction.
  • the second pin 42 has arrived at the second angled end portion of the guide track 1 6, so that now a decoupling of the movable furniture part 3 can be carried by the driver 12, similar to that described with reference to Figure 1 0.
  • the driver 1 2 can be moved even further along the housing 1 0 in the opening direction to a stop.
  • a subsequent closing movement of the pin 42 is then held on the in Figure 1 8 upper angled end portion of the guide rail 1 6 to move the driver 1 2 together with the carriage 30 in the closing direction and to tension the springs 22.
  • FIG. 19 shows a speed-travel diagram for a heavy, movable furniture part 3.
  • the movable furniture part 3 is brought from the closed position into an overpressure position, so that the ejection device 6 can eject the movable furniture part.
  • the movable furniture part 3 is accelerated over the ejection device 6 from the overpressure position a first distance to the point Si.
  • the movable furniture part is heavy, so that the acceleration is low.
  • the dashed line along the second path between Si and S 2 shows the difference when no braking forces act on the movable furniture part 3 via the driver 12.
  • the movable furniture part would be only slightly faster at the end of the distance S 2 , wherein a decrease in speed is also due to the other friction forces on the pullout guide 5 or other components that act on the movable furniture part 3.
  • FIG. 20 shows a speed-travel diagram for a lightweight movable furniture part 3, in which the same ejection device 6 with the same springs 22 is used.
  • the movable furniture part 3 is initially accelerated in the opening direction from the overpressure position or, in the case of an alternative unlocking from the closed position, until the speed V max of the first path is reached and the position shown in FIG.
  • dampers may be provided, such as air damper, fluid damper, linear damper or rotary damper.
  • the damping force is speed-dependent, that is, the higher the velocity of the movable furniture part at the end of the first path, the higher the damping forces will be to more strongly decelerate the ejection speed at higher speeds.
  • the damper is preferably designed so that the damper generates damping during the opening movement, while the damper generates almost no damping during the closing movement.
  • the carriage 30 also moves minimally in the opening direction during the movement of the driver 12 in the opening direction. This has the consequence that during the movement of the driver 12 during movement in the region of the second path, the spring energy of the springs 22 is reduced. Due to the inclination of the guide track 1 6, the force acting on the driver 12 force component by the pin 42 opposite to the direction of movement of the driver 12.
  • the guide track 1 6 may also have a gradual cross-sectional constriction, preferably the pin 42 in the end clamped in the guideway 16 is held.
  • the guideway could have a coating with a plastic, preferably with an elastomer, in order to realize a stronger braking and a gentle abutment of the pin 42 on the end region of the guideway 16.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawers Of Furniture (AREA)

Abstract

Dispositif d'entraînement pour un élément de meuble mobile (3), en particulier un tiroir, comprenant un dispositif d'éjection (6) qui présente un chariot (30) préchargé par un accumulateur d'énergie (22), pouvant se coupler à un élément de meuble mobile (3) par l'intermédiaire d'un entraîneur (12). Lors du déverrouillage du dispositif d'éjection (6), l'élément de meuble mobile (3) est déplacé sur un segment de parcours dans une direction d'ouverture par l'intermédiaire du chariot (30) et de l'entraîneur (12) à partir d'une position de déclenchement ou de fermeture, et après le premier segment de parcours, l'élément de meuble mobile (3) peut se déplacer sur un second segment de parcours, sur lequel l'entraîneur (12) est mobile relativement au chariot (30), des forces de freinage étant appliquées à l'entraîneur (12) et à l'élément de meuble mobile (3) le long du second segment de parcours, et l'entraîneur (12) pouvant être désaccouplé de l'élément de meuble mobile (3) à la fin du second segment de parcours. L'invention concerne en outre un procédé d'ouverture d'un élément de meuble mobile (3).
EP17748655.2A 2016-07-15 2017-07-13 Dispositif d'entraînement pour un élément de meuble mobile et procédé d'ouverture et de fermeture d'un élément de meuble mobile Active EP3484326B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102016113045 2016-07-15
DE102016123481.8A DE102016123481A1 (de) 2016-07-15 2016-12-05 Antriebsvorrichtung für ein bewegbares Möbelteil und Verfahren zum Öffnen eines bewegbaren Möbelteils
PCT/EP2017/067788 WO2018011379A1 (fr) 2016-07-15 2017-07-13 Dispositif d'entraînement pour un élément de meuble mobile et procédé d'ouverture et de fermeture d'un élément de meuble mobile

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EP3484326A1 true EP3484326A1 (fr) 2019-05-22
EP3484326B1 EP3484326B1 (fr) 2020-09-02

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EP17745663.9A Active EP3484325B1 (fr) 2016-07-15 2017-07-13 Dispositif d'entraînement d'un élément de meuble mobile, et procédé de fermeture d'un élément de meuble mobile

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EP (2) EP3484326B1 (fr)
CN (2) CN109475231B (fr)
DE (2) DE102016123481A1 (fr)
ES (2) ES2829348T3 (fr)
WO (2) WO2018011379A1 (fr)

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WO2018011380A1 (fr) 2018-01-18
EP3484325A1 (fr) 2019-05-22
DE102016123481A1 (de) 2018-01-18
EP3484326B1 (fr) 2020-09-02
EP3484325B1 (fr) 2020-09-02
CN109475230A (zh) 2019-03-15
CN109475231A (zh) 2019-03-15
CN109475231B (zh) 2021-03-23
CN109475230B (zh) 2021-08-10
ES2829297T3 (es) 2021-05-31
ES2829348T3 (es) 2021-05-31
DE102016123482A1 (de) 2018-01-18
WO2018011379A1 (fr) 2018-01-18

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