EP3484325A1 - Dispositif d'entraînement d'un élément de meuble mobile, et procédé de fermeture d'un élément de meuble mobile - Google Patents

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

Info

Publication number
EP3484325A1
EP3484325A1 EP17745663.9A EP17745663A EP3484325A1 EP 3484325 A1 EP3484325 A1 EP 3484325A1 EP 17745663 A EP17745663 A EP 17745663A EP 3484325 A1 EP3484325 A1 EP 3484325A1
Authority
EP
European Patent Office
Prior art keywords
driver
furniture part
movable furniture
carriage
control element
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
EP17745663.9A
Other languages
German (de)
English (en)
Other versions
EP3484325B1 (fr
Inventor
Patrick Freiheit
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 EP3484325A1 publication Critical patent/EP3484325A1/fr
Application granted granted Critical
Publication of EP3484325B1 publication Critical patent/EP3484325B1/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 is accelerated over the carriage and the driver 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 closing 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 with the features of claim 10.
  • a movable furniture part is accelerated via a discharge device via a slide and a driver in the opening direction, and after the first travel, the movable furniture part is moved a second distance at which the driver is movable relative to the carriage.
  • a closing movement of the driver moves the carriage against the force of the energy storage a third distance and the driver is coupled along the third distance via a control with the carriage.
  • the control is then movable in a movement of the driver in the closing direction along a fourth distance to reach a closed position relative to the driver.
  • the movable furniture part can be accelerated a first distance in the opening direction via the ejection device, and then optionally braked over a second distance after this first distance, wherein 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 in the opening direction should be allowed.
  • the clamping process of the energy accumulator during a closing movement of the driver is made along the third path, which is followed by the fourth path. In the area of the fourth distance, a controlled locking of the control element can take place, which ensures a low material stress and quiet locking noises.
  • the driver or the control element has a guideway aligned at an angle to the effective direction of the force accumulator, in which a pin is guided. The pin can then be moved in the guideway to make a slow movement of the control in the locked position.
  • the control may preferably have two pins which engage in different guideways.
  • 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 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 during the opening process 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 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.
  • On the driver is preferably a guide track for coupling to the control element is formed, which has two angled end portions and a central portion.
  • the middle section is aligned at least in areas, preferably completely, inclined to the opening and closing direction, so that frictional forces are applied when the driver is displaced relative to a control guided in the track and the control element is also controlled during a closing operation as a function of the movement of the driver is.
  • the angle of inclination to the opening and closing direction of the web for example, in a range between 5 ° and 25 °, in particular 8 ° to 1 7 ° lie.
  • Closing direction moves, wherein the driver is moved together with a movable control, which is coupled to an energy storage.
  • the control is moved adjacent to a locking receptacle during the closing movement and then the driver is decoupled from the control in the direction of action of the energy accumulator, wherein the control is moved at an angle to the effective direction of the energy storage by a guideway to just before a detent position. Then, the leadership of the control is released by the guideway and locked the control.
  • the control element is not completely released after the driver has been decoupled from the control element, which could lead to loud connection latches during latching. Rather, the control is guided over a guideway which extends at an angle to the effective direction of the force accumulator.
  • the speed of the latching action on the coupling of the control er comprises with the guideway is determined. Only shortly before reaching the
  • the guideway on an angled end portion or a release portion so that the control can then be pulled over the energy storage in the locked position. Since this last distance is comparatively short, for example, less than 2mm, in particular less than 1, 5mm, only a short acceleration of the control and thus only quiet intermittent noise and a lower material stress occurs.
  • the control is moved substantially perpendicular to the direction of action of the force accumulator on a carriage.
  • a first pin in the guideway engage with the driver on the control element and a second pin in a guideway of an ejection device. During a closing movement, the guide track on the driver can thus slow down a movement of the pin on the guide track of the ejection device.
  • 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
  • Figures 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 slider;
  • Figures 10A and 10B show two views of the drive device of Figure 3 in an open position;
  • FIGS. 11A and 11B show two views of the drive device of FIG. 3 during the clamping operation during a movement in the closing direction
  • FIGS 1 2A and 12B show two views of the drive device of Figure 3 in an overpressure position.
  • FIGS 3A and 13B show two views of the drive device of Figure 3 with the switching element locked
  • FIG. 14 shows a path-time diagram of a normal closing movement
  • Figure 1 5 a path-time diagram of a closing movement
  • Figure 1 6 is a detail view of the drive device of Figure 3 during the opening movement;
  • Figure 1 7 is a detail view of the drive device of Figure 3 during an opening movement
  • Figure 1 8 is a detail view of the drive device of Figure 3;
  • Figure 1 9 is a speed-path diagram of a heavy movable furniture part
  • Figure 20 is a velocity-path diagram of a lightweight movable furniture part
  • FIGS. 21A and 21B show two views of the drive device according to the invention in an open position
  • FIGS. 22A and 22B show two views of the drive device of FIG. 21 during tensioning of the force accumulator;
  • Figs. 23A to 23C are three views of the drive device of Fig. 21 when decoupling the carrier from the carriage;
  • FIGS. 24A and 24B show two views of the drive device of FIG. 21 after decoupling of the driver and before reaching the closing position;
  • Figures 25A and 25B show two views of the drive device of Figure 21 shortly before reaching the closed position
  • Figures 26A to 26C show several views of the drive device of the figure
  • 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 is guided on opposite sides via a pullout guide 5, wherein the pullout guide 5 is fixed via a bracket 9 on 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 located at a small distance from the body 2, for example between 2 mm and 5 mm, to be pressed from this closed position slightly further into the body 2 in an overpressure position to unlock an ejector 6.
  • 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 pullout guide 5 with a self-closing is for example in the documents DE 1 0 201 1 053 840 A1 or DE 1 0 201 1 0544 441 A1, to which reference is made.
  • FIG. 3 shows the ejection device 6, which is arranged in a housing 10.
  • 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.
  • a carriage 30 which is slidably mounted in the longitudinal direction of the housing 1 0 in a receptacle 20.
  • a holder 21 is located on one end face in order to fix one end of an energy accumulator in the form of at least one spring 22, in particular a tension spring.
  • two springs 22 are provided, which are each arranged in a spring retainer 31 on the carriage 30.
  • An opposite end of 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 10.
  • the number of springs 22 can be selected depending on the intended use of the drive device.
  • 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. On the control 40 is also a second pin 42 is provided, which is guided on the driver 1 2. For this purpose, 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 runs in the clamping direction of the rack 19, while a portion for an 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, but may optionally be omitted.
  • a slider 50 is further provided, which is held displaceably in a slide receiver 26 (FIG. 5) on the housing 10.
  • a box-shaped portion 55 engages in the slide holder 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 slider 50 via a bracket 67, so that upon rotation of the switching element 60, the rotary damper 65 is actuated and generates a braking action.
  • the rotatable switching element 60 further includes a protruding arm 63 which cooperates with stops on the slider 50 to limit the rotational movement of the switching element 60.
  • the slider 50 is biased by a spring 68 to an initial position.
  • the spring 68 is placed in a spring receptacle 69 on the slider 50 ( Figure 4B), wherein the spring 68 rests on an end face on the slider 50 and on the opposite side to a wall of the housing 1 0.
  • the spring 68 is designed as a compression spring and thus biases the slider 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 abuts with one end on the arm 63 and is at the opposite end to the
  • 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 locking lug 54 is also provided, which can provide for a locking of the slider 50 on the housing 10.
  • 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 1 0.
  • 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 1 2.
  • the driver 1 2 can pivot the control rocker 70 about the axis of rotation 71 and thus actuate the switching element 60.
  • a cam guide 75 is formed for the guide cam 73 to make an actuation of the switching element 60 only in a certain position 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 slider 50.
  • the second part 51 of the locking receptacle moves away from the first part 23, so that the latching stop would move into the unlocking or release position is moved and the pin 41 is no longer be stored in the locking receptacle.
  • a latching projection 25 is also formed in the region of the guide track 17, which cooperates with the latching lug 54 on the slider 50 in order to lock the slider 50 in an unlocking or release position for the control element 40.
  • FIGS. 6A and 6B the ejection device 6 is in one
  • the pin 41 of the control element 40 is located in the locking receptacle, which is formed by the first part 23 on the housing 10 and the second part 51 on the carriage 50.
  • the latching receptacle is in the closed position, and the ejection device 6 is latched against the force of the springs 22 via the pin 41 and the latching receptacle.
  • 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
  • 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 slider 50 against the force of the spring 68 relative to the housing 1 0.
  • the movement of the slide 50 also shifts the second part 51 of the locking receptacle 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 FIG 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 Slider 50 is pressed by the spring 68 in the opening direction until the locking 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 runs counter to a stop bevel 57 on the web 53 and thus releases the latching lug 54 from the latching projection 25.
  • the slide 50 can be further moved in the opening direction by the force of the spring 68, in order to engage the latching receptacle close.
  • 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 is aligned slightly inclined to the closing and opening direction, further along the driver 12 the guide 1 1 to move to 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 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 7.
  • the activator against the driver. 1 2 which is coupled via the second pin 42 with the control 40.
  • the control element 40 thus moves together with the carriage 30 in the closing direction, thereby tensioning the springs 22.
  • the pin 41 thereby moves in FIGS. 10 and 11 on the inner side of the loop-shaped guideway 17.
  • the backstop is also activated with the gear 36, which is moved along the rack 1 9 on the housing.
  • the gear 36 of the backstop secures the hitherto cocked position of the carriage 30th If the carriage 12 moved further in the closing direction, on the one hand, 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 rotation axis 71 and presses with the arm 72 against the switching element 60, which is pivoted from the first position in which unlocking the ejection device is possible to a second position in which unlocking the Ejector 6 is not allowed.
  • Such a self-closing pulls the movable furniture part in a closed position, wherein preferably a damper is provided which slows down the closing movement of the movable furniture part.
  • a damper is provided which slows down 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.
  • 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 the bow spring 64 is pivoted back into the first position, in which an unlocking of the ejection device 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 enabled.
  • the movable furniture part is manually moved beyond the closed position into the overpressure position or due to is moved to high closing speed of the movable furniture part 3 beyond the closed position. Then the overshoot position shown in FIGS. 1A and 13B is achieved.
  • the control rocker 70 has caused pivoting of the switching element 60 from the first position to the second position due to the cam guide 75 on the driver 1 2 and the guide cam 73, as shown in Figures 1 3A and 1 3B.
  • the latching receptacle is in the closed position, but the pin 41 is spaced from the latching receptacle. However, the pin 41 does not abut against a front side of the pressure piece 62, but laterally on the pressure piece 62, so that no forces in the closing direction on the
  • Switching element 60 can be applied by the pin 41. If the movable furniture part is released in the overpressure position, the springs 22 ensure that the driver 12 and the control element 40 are moved relative to the housing 10 in the opening direction until the first pin 41 is deposited on the locking receptacle that passes through the first part 23 on the housing 10 and the second part 51 on the slider 50 is formed, and the position shown in Figures 6A and 6B 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
  • Bow spring 64 can be pivoted from the second position to the first position. Immediately after reaching the closed position can thus again be an opening operation. If it is desired that a reopening can be performed only after a certain period of time, the return pivotal movement of the switching element 60 can be slowed down by the rotary damper 65, depending on what period of time to wait. However, such 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.
  • 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 slowed down, as is the curved course in the region of the feeder suggests.
  • 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 as well as in the catchment area in the closing direction, beyond the closed position 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. Once 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 along the guide track 1 6, which is slightly inclined to the opening and closing direction, for example, at an angle between the 2nd ° 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.
  • the carriage 30 is only slightly moved in this area in the opening direction, but can also be arranged stationary.
  • the driver 1 2 moves along with the movable furniture part 3 in the opening direction. In FIG.
  • the second pin 42 has arrived at the second angled end section of the guide track 16, so that a decoupling of the movable furniture part 3 from the driver 12 can now take place, similar to what has been described with reference to FIG.
  • the driver 12 can be moved even further along the housing 10 in the opening direction to a stop.
  • a subsequent closing movement of the pin 42 is then held at the top in Fig. 18 angled end portion of the guide rail 1 6 to move the driver 12 together with the slider 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.
  • no acceleration of the movable furniture part is more, but only a slight deceleration by the friction forces when moving the movable furniture part and the driver 12 in the opening direction until the position shown in Figure 18 is reached, the Point S 2 in Figure 19 corresponds.
  • 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-distance diagram for a lightweight movable furniture part 3.
  • the movable furniture part 3 is first accelerated from the overpressure position or, in the case of an alternative unlocking, from the closed position in the opening direction until the speed V max is reached and the position shown in FIG. After reaching the first path, a certain braking effect on the driver 12 via frictional forces generated by the ejector, wherein the difference in the end speed at the end of the second distance (S 2 ) is greater than in Figure 19, since the movable furniture part 3 is lighter.
  • the dashed line is in FIG 20 shows a non-braked movable furniture part 3, while the continuous line between Si and S 2 represents the braking action of the driver 12.
  • dampers may be provided, for example 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.
  • FIGS. 21A and 21B the drive device is shown in an open position, in which the springs 22 of the energy accumulator are relaxed.
  • the control element 40 is located with the pin 41 in the position shown in FIGS. 10A and 10B, and the pin 42 is located on the side facing away from the coupling element 13 at the angled end section of the guide track 1 6 moved movable furniture part in the closing direction, the driver 12 is moved linearly via the coupling element 13 against the force of the springs 22 of the energy accumulator.
  • the control moves only in the effective direction of the springs 22 due to the linear guide track 17, as shown in Figures 1 1 A and 1 1 B.
  • the driver 12 has arrived in a position in which the springs 22 of the energy accumulator are substantially tensioned and the control element displaces the pin 41 perpendicular to the effective direction of the springs 22 by a curved section on the guide track 17, so that the pin 42 on the guide track 1 6 from the angled end portion of the guide track 1 6 is moved out.
  • FIGS. 23A to 23C The position at which the pin 42 has been moved out of the angled end portion of the guide track 16 is shown in FIGS. 23A to 23C.
  • the driver 12 is no longer acted upon by the springs 22 of the energy storage, but can be moved independently of this in the closing direction, in particular, a self-closing can be effective to move the driver 12 over a distance in the closed position.
  • the fairy- 22 continue to act on the carriage 30, which holds the control 40. Due to the force of the springs 22, the pin 41 is pulled in the guideway 1 7 in a locking position, which is still a few millimeters away. If the carriage 30 could be moved freely with the control element 40, a strong acceleration of the pin 41 could be made by the springs 22, which would lead to a high material load and locking noise.
  • the pin 41 is moved only slowly in the direction of the locking position, since the pin 42 is held on the control member 40 in the guide track 1 6, which is slightly angled to the direction of action of the springs 22.
  • a movement of the control element 40 is allowed perpendicular to the effective direction of the springs 22.
  • the angle of inclination of the guide track 1 6 relative to the effective direction of the springs 22 may be in a range between 1 ° to 1 0 °, in particular 2 ° to 8 °.
  • the pin 41 can slide along the slope along the slope of the first part 23 of the locking receptacle in the locking position, said Way is significantly shorter than the path of the pin 41 from the position shown in Figure 23C after decoupling the pin 42 from the movement of the driver 12 in the closing direction.
  • the guideway 1 6 thus the movement of the control element 40 is forcibly controlled in the locking position and carried out slowly, and only shortly before reaching the locking position of the pin 42 is released on the guideway 1 6 and allows the pin 41 to be accelerated to the detent position. Since the distance of the pin 41 after the release is short, for example, less than 1, 5 mm, hardly occur locking noises, and the material load is also low. From the detent position, an opening operation can then be initiated, as described above.

Abstract

Dispositif d'entraînement pour un élément de meuble mobile (3), en particulier un tiroir, comprenant un dispositif d'éjection (6) qui comporte 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 premier segment de parcours dans une direction d'ouverture à partir d'une position de déclenchement ou de fermeture, par l'intermédiaire du chariot (30) et de l'entraîneur, et à la fin du premier segment de parcours, l'élément de meuble mobile (3) est déplacé sur un second segment de parcours, sur lequel l'entraîneur (12) est mobile relativement au chariot (30), et lors d'un mouvement de fermeture, l'entraîneur (12) déplace le chariot (30) à l'encontre de la force de l'accumulateur d'énergie (22) sur un troisième segment de parcours, et l'entraîneur (12) est couplé au chariot (30) le long dudit troisième segment de parcours par l'intermédiaire d'un élément de guidage, (40) qui est déplaçable relativement à l'entraîneur (12) le long d'un quatrième segment de parcours jusqu'à une position de fermeture.
EP17745663.9A 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 Active EP3484325B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102016113045 2016-07-15
DE102016123482.6A DE102016123482A1 (de) 2016-07-15 2016-12-05 Antriebsvorrichtung für ein bewegbares Möbelteil und Verfahren zum Schließen eines bewegbaren Möbelteils
PCT/EP2017/067789 WO2018011380A1 (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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EP3484325A1 true EP3484325A1 (fr) 2019-05-22
EP3484325B1 EP3484325B1 (fr) 2020-09-02

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EP17748655.2A Active EP3484326B1 (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
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) CN109475230B (fr)
DE (2) DE102016123481A1 (fr)
ES (2) ES2829297T3 (fr)
WO (2) WO2018011379A1 (fr)

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DE102019107690A1 (de) * 2019-03-26 2020-10-01 Paul Hettich Gmbh & Co. Kg Einzugs- oder Ausstoßvorrichtung

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Publication number Publication date
EP3484326A1 (fr) 2019-05-22
DE102016123482A1 (de) 2018-01-18
DE102016123481A1 (de) 2018-01-18
ES2829297T3 (es) 2021-05-31
EP3484325B1 (fr) 2020-09-02
EP3484326B1 (fr) 2020-09-02
CN109475230B (zh) 2021-08-10
CN109475231B (zh) 2021-03-23
ES2829348T3 (es) 2021-05-31
CN109475231A (zh) 2019-03-15
WO2018011379A1 (fr) 2018-01-18
WO2018011380A1 (fr) 2018-01-18
CN109475230A (zh) 2019-03-15

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