EP3484323B1 - Dispositif d'entraînement pour un élément de meuble mobile et meuble - Google Patents

Dispositif d'entraînement pour un élément de meuble mobile et meuble Download PDF

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Publication number
EP3484323B1
EP3484323B1 EP17739274.3A EP17739274A EP3484323B1 EP 3484323 B1 EP3484323 B1 EP 3484323B1 EP 17739274 A EP17739274 A EP 17739274A EP 3484323 B1 EP3484323 B1 EP 3484323B1
Authority
EP
European Patent Office
Prior art keywords
drive device
furniture part
movable
switching element
movable furniture
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
EP17739274.3A
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German (de)
English (en)
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EP3484323A1 (fr
Inventor
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
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Application filed by Paul Hettich GmbH and Co KG filed Critical Paul Hettich GmbH and Co KG
Publication of EP3484323A1 publication Critical patent/EP3484323A1/fr
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Publication of EP3484323B1 publication Critical patent/EP3484323B1/fr
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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, with a latchable ejector device, by means of which the movable furniture part can be ejected from a closed position by an energy storage device in the opening direction, and the ejector device can be unlocked from the latched closed position in the closing direction by overpressing the movable furniture part.
  • an overpressure protection is provided which prevents the ejector from being unlocked during a closing process and when the movable furniture part moves beyond the closed position into the overpressed position, and a piece of furniture with such a drive device.
  • the WO 2014/165877 discloses a drive device for a movable furniture part, in which a pivotable ejection lever is provided for ejecting the movable furniture part and can be locked in a closed position.
  • the movable furniture part can be moved into an overpressure position in order to then eject the furniture part in the opening direction via the ejector lever and an energy store. If, during a closing process, the movable furniture part is moved beyond the closed position into the overpressure position, a blocking element is provided which prevents unlocking of the ejector device when the overpressure position is reached. This prevents the movable furniture part from being accidentally ejected again if the closing speed is too high.
  • the blocking element can be moved with a time delay from a blocking position into a release position via a resetting device. An immediate opening of the movable furniture part after a closing process is thus prevented. The time delay takes place via a damper. In this respect, there can be an undesirably long delay before the next opening process can be carried out. In addition, the blocking element is mechanically stressed when attempting to open it.
  • the EP 2 208 440 A1 discloses a latching fitting in which a switching element can be moved along a switching curve and can be latched to a trough-shaped receptacle via an energy storage device. To unlock, the switching element is pressed against the force of the energy store against a bevel on the switching cam. In addition, a movable pawl is provided at a branch of the switching cam, which can only be passed in one direction.
  • the drive device comprises an ejection device with an overpressure protection which prevents the ejector from being unlocked during a closing process and a movement of the movable furniture part beyond the closed position into the overpressure position.
  • a switching element is provided which can be actuated via an element that can be coupled to the movable furniture part, and which enables the ejector device to be unlocked in a first position and prevents the ejector device from being unlocked in a second position, and when the movable furniture part is continuously moved in the closed position and beyond the closed position into the overpressing position, the control element moves the switching element from the first to the second position, and when the movable furniture part is subsequently moved from the overpressing position into the closed position, the switching element can be moved from the second position to the first position.
  • the switching element can be moved from the overpressed position to the closed position when the movable furniture part is moved and is therefore available for a new opening process immediately after the closed position has been reached, without a time delay caused by a blocking element that only moves after the closed position has been reached becomes.
  • the switching element ensures reliable overpressure protection, as it enables or prevents unlocking of the ejector device depending on the position.
  • the control element which can be moved along a guide track, can preferably be deposited in the closed position on a latching receptacle on the guide track when the energy storage device is tensioned.
  • the latching receptacle can be formed from at least two parts that can be moved relative to one another.
  • the movable furniture part can be moved together with the control element in the closing direction in order to also move the switching element, which is coupled to a part of the latching receptacle. By moving part of the latching receptacle, its locking function for the control element is canceled, so that the control element can be moved in the opening direction by the force of the energy store.
  • a housing in which a guide track for the control element is formed, a first on the guide track Part of a latching receptacle is formed, preferably integral with the housing, on which the control element can be stored in the latched position, a second part of the latching receptacle being movable relative to the first part of the latching receptacle in order to release the control element on the guide track in the opening direction.
  • the second part of the latching receptacle can be arranged on an actuating element which is guided linearly or pivotably on the housing.
  • the switching element can also be movably mounted on the actuating element, for example displaceably or pivotably, in order to be able to carry out the various functions of the ejection device in a compact design.
  • the actuating element For reliable positioning of the actuating element with part of the latching receptacle, it can be latched in an unlocked position of the latching receptacle against the force of a spring.
  • the actuating element By means of the control element that can be moved in the guideway, the actuating element can then be unlocked in order to move it from the unlocking position into an initial position in which the locking receptacle for receiving the control element is arranged in a closed manner, i.e. the control element can be placed in the locking receptacle, to lock the ejector into place.
  • the switching element can be connected to a damper, for example a rotary damper, which brakes the return movement of the switching element from the second position to the first position.
  • the switching element can be biased into the first position by a spring in order to be able to set the duration of the return movement as a function of the spring force and the damping force.
  • a driver which can be coupled to an activator for movement along the housing, is preferably guided linearly on the housing, wherein both compressive and tensile forces can be transmitted to the driver via the activator.
  • the driver can preferably be moved a longer distance on the housing than the slide with the control element, which is guided linearly on the housing. This enables the ejector to interact with a self-retractor.
  • Such a self-closing mechanism can move the movable furniture part into a closed position after the ejector device has locked, even if the user no longer applies any forces.
  • the tensioning process for the energy store takes place at a Closing movement of the movable furniture part then at a distance from the self-closing position, for example at least 25 mm away from the self-closing position in a range between 100 mm to 40 mm in front of the closed position. It is also possible for the self-retraction to tension part of the spring energy of the ejection device, so that the ejection device only engages in the effective area of the self-retraction.
  • a control rocker is provided, by means of which the switching element can be switched from the first to the second position.
  • the rocker switch can be pivoted over the driver in order to switch the switching element from the first to the second position, so that the switching element is only in the first position when the driver is arranged in the area of the closed position.
  • the driver can be designed in such a way that the switching element can be switched from the first to the second position directly by the driver.
  • the control element preferably has a first pin which is guided in the guide track on the housing, and a second pin which engages in a driver which can be brought into engagement with an activator.
  • the control element has a multiple functionality, namely on the one hand the coupling of a slide with a latching mechanism and on the other hand the coupling of the slide with the driver. In this way, the position of the driver is coupled to the position of the carriage and the locking mechanism in a path-dependent manner.
  • the control element can be arranged on a slide which is pretensioned in the opening direction by an energy store, the control element preferably being guided on the slide perpendicular to the direction of movement of the slide.
  • a backstop which prevents the movable furniture part from being ejected during a clamping process.
  • a backstop can, for example, have a toothed wheel which can be brought into engagement with a toothed rack on the housing if the user interrupts the tensioning process of the ejector device.
  • the drive device is preferably used in a piece of furniture that has a furniture body and a furniture part that can be moved relative thereto, such as a drawer, a sliding door or another movable furniture part.
  • the furniture part can be linearly guided via a fitting, for example via at least one pull-out guide on which a self-closing mechanism with a damper is provided, by means of which the movable furniture part can be moved and braked in the closing direction shortly before reaching the closed position.
  • a piece of furniture 1 comprises an in Figure 1 schematically illustrated body 2 on which one or more drawers can be movably mounted as movable furniture parts 3. Each drawer is guided on opposite sides via a pull-out guide 5, the pull-out guide 5 being fixed to a side wall of the body 2 via a bracket 9 and the drawer 3 is fixed on a movable running rail of the pull-out guide 5.
  • a front panel 4 of the drawer is a short distance from the body 2, for example between 1 mm and 6 mm, in order to be pushed slightly further into the body 2 from this closed position into an overpressing position in order to unlock an ejector 6.
  • each ejector device 6 can be coupled at least in a closing area to an activator 7 which is fixedly connected directly or indirectly to the body 2.
  • Each ejector device 6 can thus be supported on the activator 7 in order to eject the drawer as the movable furniture part 3.
  • Each pull-out guide 5 is arranged in a side frame 8 of the drawer. It is of course also possible to arrange the ejector 6 stationary on the body 2 and the activator 7 on the drawer. In addition, the number and arrangement of the ejection devices 6 on the movable furniture part 3 can be varied.
  • the ejector device 6 prefferably be arranged on the carcass rail or a carcass rail holder of a pull-out slide and for the activator to be arranged on the drawer rail.
  • the activator also being able to be formed directly from a movable furniture part or an immovable part, so that the function of the activator does not require a separate component.
  • Each pull-out guide 5 can be coupled to a self-closing mechanism, which pulls a movable running rail of the pull-out guide 5 in a draw-in area in the closing direction and optionally brakes it with a damper.
  • a pull-out guide 5 with a self-closing mechanism is for example in the documents DE 10 2011 053 840 A1 or DE 10 2011 054 441 A1 disclosed, to which reference is made.
  • FIG. 3 the ejection device 6 is shown, which is arranged in a housing 10.
  • a guide 11 in the form of a web on which a driver 12 is movably mounted is provided on a longitudinal edge of the housing 10.
  • the driver 12 is connected to a coupling element 13 which forms a contact surface for the activator 7. Since the coupling element 13 has a magnet, both tensile and compressive forces can be transmitted between the driver 12 and the activator 7.
  • An adjustment mechanism 15 is provided for positioning the movable furniture part 3 in the depth direction, by means of which the position of the coupling element 13 relative to the driver 12 can be adjusted.
  • the coupling element 13 can alternatively also be designed as a gripper controlled in a guide or another mechanically releasable coupling.
  • a slide 30 which is slidably mounted in a receptacle 20 in the longitudinal direction of the housing 10.
  • a holder 21 on one end face in order to fix one end of an energy store in the form of at least one spring 22, in particular a tension spring.
  • Two springs 22 are provided, each of which is arranged in a spring receptacle 31 on the slide 30.
  • An opposite end of the spring 22 is fixed to a spring holder 32 on the slide 30, so that the slide 30 is pretensioned on the housing 10 in the opening direction.
  • the number of springs 22 can be selected depending on the intended use of the drive device.
  • the housing 10 can be closed by means of a cover 14.
  • a receptacle 33 for guiding a control element 40 is also provided on the slide 30.
  • Side walls 38 which guide the control element 40 essentially perpendicular to the opening direction, are arranged on the receptacle 33.
  • a receptacle 37 is also provided on a side wall 38, on which a protruding web 43 of the control element 40 can be passed in order to be able to insert the control element 40 into the receptacle 33.
  • the control element 40 is plate-shaped and has protruding sliding elements 44 which rest on the side walls 38 of the receptacle 33.
  • the control element 40 comprises a first pin 41 which is guided in a guide track 17 on the housing 10.
  • a second pin 42 which is guided on the driver 12, is also provided on the control element 40.
  • a guide track 16 is formed on the driver 12.
  • a cam guide 34 by means of which a gear 36 is guided, is also provided on the slide 30.
  • the gear 36 engages with a locking projection 35 in the cam guide 34 and is part of a backstop.
  • a toothed rack 19 is formed on the housing 10, as shown in the detailed view of FIG Figure 5 is recognizable.
  • the gear 36 is guided with a pin in a loop-shaped guide track 18 of the housing 10, with a portion of the Guide track 18 runs past the rack 19 in the tensioning direction, while a section for an opening movement guides the gear 36 at a distance from the rack 19. If a clamping process of the ejector device 6 is interrupted, the gear wheel 36 engages in the rack 19 and thus prevents the movable furniture part from being ejected.
  • Such a backstop is, for example, in the DE 10 2016 107 918 described. Such a backstop is advantageous for the present ejection device, but can optionally also be omitted.
  • An adjusting element 50 is also provided on the housing 10, which is in an adjusting element receptacle 26 ( Figure 5 ) is held displaceably on the housing 10.
  • a box-shaped section 55 engages in the adjusting element receptacle 26, while a web 56 is received on an end section 27 of the housing 10.
  • a bearing 52 for a rotatable switching element 60 is formed on the actuating element 50 and has a lever arm on which a pressure piece 62 is provided at the end.
  • An elongated recess 61 is provided on the axis of rotation of the switching element 60, into which a web 66 of a rotary damper 65 engages, which is coupled to the switching element 60 in a rotationally fixed manner.
  • the rotary damper 65 is held on the actuating element 50 via an arm 67, so that when the switching element 60 is rotated, the rotary damper 65 is actuated and a braking effect is generated.
  • the rotatable switching element 60 also has a protruding arm 63 which cooperates with stops on the actuating element 50 in order to limit the rotary movement of the switching element 60.
  • the adjusting element 50 is biased into an initial position via a spring 68.
  • the spring 68 is stored in a spring receptacle 69 on the actuating element 50 ( Figure 4B ), the spring 68 resting on one end face of the adjusting element 50 and on the opposite side against a wall of the housing 10.
  • the spring 68 is designed as a compression spring and thus biases the adjusting element 50 in the opening direction.
  • a bow spring 64 which biases the switching element 60 into a first position, is also mounted on the actuating element 50.
  • One end of the bow spring 64 rests on the arm 63 and is supported on the adjusting element 50 at the opposite end.
  • a web 53 is also formed on the adjusting element 50, on which a part 51 of a latching receptacle for the pin 41 of the control element 40 is provided.
  • the part 51 of the locking receptacle is designed as a projection.
  • a latching lug 54 is also provided on the web 53, which can ensure that the adjusting element 50 is latched on the housing 10.
  • a control rocker 70 is also shown, which is used to actuate the switching element 60.
  • the control rocker 70 is rotatably mounted about an axis of rotation 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 in order to pivot it.
  • a guide cam 73 is provided on the control rocker 70, which cooperates with the driver 12. When the driver 12 is moved along the housing 10, the driver 12 can pivot the control rocker 70 about the axis of rotation 71 and thus actuate the switching element 60.
  • a cam guide 75 for the guide cam 73 is formed on the driver 12 in order to actuate the switching element 60 only over a defined path of the driver 12.
  • FIG. 5 the housing 10 is shown without the cover 14 and the other components.
  • a guide track 17 for the first pin 41 of the control element 40 is formed on the housing 10.
  • the guide track 17 is designed in the form of a loop.
  • a first part 23 of a latching receptacle is provided on the guide track 17, on which the pin 41 for latching the ejector 6 can be placed.
  • the second part 51 of the latching receptacle is formed on the adjusting element 50.
  • 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 placed in the latching receptacle.
  • a latching projection 25 is also formed on the housing 10 in the region of the guide track 17, which interacts with the latching lug 54 on the actuating element 50 in order to be able to latch the actuating element 50 in an unlocking or release position for the control element 40.
  • FIG Figures 6 to 13 each having two sectional views through the ejection device 6, which are partially arranged in different planes in order to better track the position of the pins 41 and 42 in the area of the driver 12 and the guide track 17.
  • the ejector 6 is in a closed position.
  • the pin 41 of the control element 40 is located in the latching receptacle which is formed by the first part 23 on the housing 10 and the second part 51 on the slide 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 16 on the driver 12.
  • the movable furniture part 3 or the drawer is moved from the closed position into an overpressed position, as shown in FIG Figures 7A and 7B is shown.
  • the control element 40 is pressed in against the force of the springs 22, which are held on the slide 30, the movable furniture part acting on the control element 40 via the driver 12 and the pin 42.
  • the first pin 41 presses against the pressure piece 62 on the switching element 60, so that the actuating element 50 moves relative to the housing 10 against the force of the spring 68.
  • the second part 51 of the latching receptacle is also displaced relative to the first part 23.
  • the pin 41 can now pass through the gap between the first part 23 of the latching receptacle and the second part 51, as shown in FIG Figures 8A and 8B is shown.
  • the driver 12 is coupled to the control element 40 in the pull-out direction via the second pin 42, so that the movable furniture part is ejected by the driver 12.
  • the actuating element 50 is pressed in the opening direction by the spring 68 until the latching lug 54 rests on the latching projection 25 of the housing 10.
  • the locking adjusting element 50 By locking the adjusting element 50, the locking receptacle remains in a release position. The distance between the two parts 23 and 51 of the locking receptacle is so great that the pin 41 can pass between them.
  • the carriage 30 with the control element 40, and thereby also the driver 12 with the movable furniture part is moved further in the opening direction until the in Figure 9 position shown is reached.
  • the first The pin 41 on the control element 40 runs against a bevel 57 on the web 53 and thus releases the locking lug 54 from the locking projection 25.
  • the actuating element 50 can be moved further in the opening direction by the force of the spring 68 in order to close the locking receptacle.
  • the movable furniture part 3 is now moved further in the opening direction until the first pin 41 strikes a bevel 45 of the guide track 17 in order to move the control element 40 on the slide 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 slightly inclined to the closing and opening direction, in order to move the driver 12 further along the guide 11 on the Moving housing.
  • FIG. 10A and 10B a position of the ejection device 6 is shown 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 section of the guide track 16, and the first pin 41 is located at a pointed end of the guide track 17.
  • the activator In order to bring the movable furniture part back into a closed position, the activator is moved against the driver 12, which is coupled to the control element 40 via the second pin 42.
  • the control element 40 thus moves together with the slide 30 in the closing direction and thereby tensions the springs 22.
  • the pin 41 moves into the Figures 10 and 11 on the left side of the loop-shaped guide track 17.
  • the backstop is also activated with the gearwheel 36, which is moved along the rack 19 on the housing. Should the tensioning process be interrupted, the gearwheel 36 of the backstop secures the previously tensioned position of the slide 30.
  • the ejector 6 cannot be triggered because the switching element 60, which can establish a connection between the pin 41 and the actuating element 50, is arranged in the pivoted position.
  • the second pin 42 also comes out of the angled end section of the guide track 16 and can be moved along the driver 12. In this area, for example in an area between the closed position and 40 mm in front of the closed position, a self-closing mechanism can now become effective, which is arranged on the pull-out guide, for example.
  • Such a self-retraction pulls the movable furniture part into a closed position, a damper preferably being provided which brakes the closing movement of the movable furniture part.
  • the user no longer needs to apply any actuating force, but can leave the control of the movable furniture part to the self-closing mechanism.
  • the cam guide 75 arrives with a recess in the area 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 is controlled by the force 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 section of the guide track 16, and the in Figures 6A and 6B shown closed position reached.
  • the drawer is not pushed in beyond the closed position into the overpressed position, and the user can unlock the ejector 6 again immediately after reaching the closed position, since when the closed position is reached by pivoting the switching element 60 into the first position unlocking is enabled.
  • the pen 41 however, does not rest on an end face of the pressure piece 62, but on the side of the pressure piece 62, so that no forces can be applied to the switching element 60 by the pin 41 in the closing direction. 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 placed on the latching receptacle, which is supported by the first part 23 is formed on the housing 10 and the second part 51 on the adjusting element 50, and the position shown in Figures 6A and 6B is reached.
  • the driver 12 When the pin 41 is placed on the latching receptacle, the driver 12 simultaneously moves along the housing 10, so that the guide cam 73 is released so far via the cam guide 75 that the switching element 60 is moved from the second position to the position by the force of the bow spring 64 first position can be pivoted. An opening process can thus take place again immediately after the closed position has been reached. If it is desired that a renewed opening can only be carried out after a certain period of time, the pivoting back movement of the switching element 60 can be slowed down by the rotary damper 65, depending on the period of time to be waited for.
  • a linear damper or another mechanical timing element can also be provided for the delayed pivoting back or pushing back movement.
  • Simple mechanical timing elements are, for example, suction cups with a small hole, which release contact with a surface due to the inflowing air, or an elastomer with a slowed return movement. If an elastomer is used, the spring (64) for the return movement can be omitted, since the elastomer itself can have a resilient effect.
  • FIG 14 a distance-time diagram is shown in which a closing process is shown in which no overpressure position is reached.
  • the movable furniture part 3 is moved in the closing direction, and the energy storage device is tensioned on the slide 30 in a first section.
  • the self-retraction can take over, and the movement of the movable furniture part 3 in the closing direction is braked, as indicated by the curve in the area of the retraction .
  • the movable furniture part 3 then reaches the closed position, and it there is no longer any movement until the user moves the movable furniture part 3 into the overpressure position and thus unlocks the ejector device 6.
  • the closing process can also take place in an overpressure position, the movable furniture part 3 being moved in the closing direction both in the clamping area and in the draw-in area, namely beyond the closed position into the overpressure position.
  • the movable furniture part In the overpressed position, the movable furniture part can be held for any length of time until it is released by the user and then moved into the closed position. As soon as the movable furniture part 3 is arranged in the closed position, it can be opened again.
  • the switching element 60 is rotatably mounted. It is also possible to provide a displaceably mounted switching element 60 in a mechanism for the overpressure protection.
  • Figure 16 the ejector 6 is shown in a position during the opening movement in which the driver 12 has already moved over part of the distance on the housing 10 in the opening direction and the slide 30 is arranged on the housing 10 shortly before reaching its end position.
  • the first pin 41 is just moving against the run-on bevel 45 on the guide track 17, so that the control element 40 not only with the slide 30 in the opening direction, but also in the Figure 16 is moved slightly to the right, so that the second pin 42 is moved out of the angled end portion of the guide track 16 and thus a coupling between the control element 40 and the driver 12 is unlocked.
  • the second pin 42 moves along the guide track 16, which is aligned slightly inclined to the opening and closing direction, for example at an angle between 1 ° and 20 °, in particular 5 ° to 15 °, so that the control element 40 at the further opening movement in Figure 17 is also moved to the right.
  • frictional forces act via the control element 40 and the pins 41 and 42, which slightly brake the movement of the driver 12.
  • the slide 30 is only moved slightly in this area in the opening direction, but can also be arranged stationary.
  • the driver 12 moves together with the movable furniture part 3 further in the opening direction.
  • the second pin 42 has reached the second angled end section of the guide track 16, so that the movable furniture part 3 can now be decoupled from the driver 12, in a similar manner to that with reference to FIG Figure 10 has been described.
  • the driver 12 can also be moved further along the housing 10 in the opening direction up to a stop.
  • the pin 42 is then attached to the in Figure 18 upper angled end portion of the guide track 16 held in order to move the driver 12 together with the carriage 30 in the closing direction and to tension the springs 22.
  • FIG 19 a speed-path diagram for a heavy movable furniture part 3 is shown.
  • 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 via the ejection device 6 from the overpressure position a first distance to the point S 1.
  • the movable furniture part is heavy, so that the acceleration is low.
  • the position shown no longer accelerates the movable furniture part, but only slows it down slightly due to the frictional forces when moving the movable furniture part and the driver 12 in the opening direction until the in Figure 18 position shown is reached, which corresponds to point S 2 in Figure 19 corresponds to.
  • the dashed line along the second distance between S 1 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 only be slightly faster at the end of the path S 2 , with a decrease in speed also taking place as a result of the remaining frictional forces on the pull-out guide 5 or on other components that act on the movable furniture part 3.
  • FIG 20 a speed-path diagram is shown for a light, movable furniture part 3 in which the same ejector device 6 with the same springs 22 is used.
  • the movable furniture part 3 is initially accelerated in the opening direction from the overpressed position or, in the case of an alternative unlocking, from the closed position until the speed reaches V max and the in Figure 16 position shown is reached.
  • the ejector device After the first distance has been reached, the ejector device generates a certain braking effect on the driver 12 via frictional forces, the difference in the final speed at the end of the second distance (S 2 ) being greater than in FIG Figure 19 , since the movable furniture part 3 is lighter.
  • dampers can alternatively or additionally also be provided, for example air dampers, fluid dampers, linear dampers or rotary dampers.
  • the damping force is preferably speed-dependent, that is to say the higher the speed of the movable furniture part at the end of the first path, the higher the damping forces become in order to slow down the ejection speed more strongly at higher speeds.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Lock And Its Accessories (AREA)
  • Drawers Of Furniture (AREA)

Claims (18)

  1. Dispositif d'entraînement d'un élément mobile de meuble (3) comprenant :
    - un dispositif éjecteur (6), verrouillable, qui éjecte l'élément mobile de meuble (3) d'une position de fermeture dans la direction d'ouverture par un accumulateur de force (22) et dispositif éjecteur (6), en poussant l'élément mobile (3) de meuble, le déverrouille de sa position de fermeture, accroché dans la direction de fermeture,
    - un dispositif anti-surpression qui évite qu'en phase de fermeture, pour un mouvement qui dépasse la position de fermeture, l'élément mobile de meuble (3) arrive dans la position de surpression et déverrouille le dispositif éjecteur (6),
    - un élément de commutation (60) actionné par un élément de commande (40) couplé à l'élément mobile de meuble (3) et qui, dans une première permet le déverrouillage du dispositif éjecteur (6) et dans une deuxième position, la position évite le déverrouillage du dispositif éjecteur (6) et pour un mouvement continu de l'élément mobile de meuble (3) dans la direction de fermeture, jusque dans la position de fermeture et au-delà de la position de fermeture en position de surpression, déplace l'élément de commutation (60) de la première à la seconde position et lors du mouvement consécutif de l'élément mobile de meuble (3) de la position de surpression dans la position de fermeture, déplace l'élément de commutation (60) de la seconde position à la première position, et
    - une bascule de commande (70) ou un organe d'entraînement (12) prévus pour commuter l'élément de commutation (60) de sa première à sa seconde position.
  2. Dispositif d'entraînement selon la revendication 1,
    caractérisé en ce que
    pour l'accrochage du dispositif éjecteur (6), l'élément de commande (40) mobile le long d'un chemin de guidage (17) est mis dans la position de fermeture contre un logement d'accrochage sur le chemin de guidage (17), l'accumulateur de force (22) étant bandé.
  3. Dispositif d'entraînement selon la revendication 1 ou 2,
    caractérisé en ce que
    pour le déverrouillage du dispositif éjecteur (6), l'élément mobile de meuble (3) est déplacé avec l'élément de commande (40) dans la direction de fermeture et ainsi l'élément de commutation (60) est également déplacé, cet élément étant couplé à une partie (51) du logement d'accrochage.
  4. Dispositif d'entraînement selon l'une des revendications précédentes,
    caractérisé en ce qu'il comprend
    un boîtier (10) muni d'un chemin de guidage (17) pour l'élément de commande (40), le chemin de guidage (17) ayant une première partie (23) de logement d'accrochage qui reçoit l'élément de commande (40) en position accrochée et une seconde partie (51) de logement d'accrochage mobile par rapport à la première partie (23) de logement d'accrochage pour libérer l'élément de commande (40) sur le chemin de guidage (17).
  5. Dispositif d'entraînement selon la revendication 4,
    caractérisé en ce que
    la seconde partie (51) de logement d'accrochage est prévue sur un élément de réglage (50) mobile avec l'élément de commutation.
  6. Dispositif d'entraînement selon la revendication 5,
    caractérisé en ce que
    l'élément de commutation (60) est monté de manière mobile sur l'élément de réglage (50) et notamment il est coulissant ou pivotant.
  7. Dispositif d'entraînement selon la revendication 5 ou 6,
    caractérisé en ce que
    dans une position de déverrouillage du logement d'accrochage, l'élément de réglage (50) s'accroche contre la force développée par le ressort (68).
  8. Dispositif d'entraînement selon la revendication 7,
    caractérisé en ce que
    l'élément de commande (40) mobile dans le chemin de guidage (17), produit le déverrouillage de l'élément de réglage (50) pour se déplacer de sa position de déverrouillage à sa position de sortie dans laquelle le logement d'accrochage est fermé pour recevoir l'élément de commande (40).
  9. Dispositif d'entraînement selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément de commutation (60) est relié à un amortisseur ou à un organe mécanique temporisé ou à un élément en élastomère qui freine ou retarde le mouvement de rappel de l'élément de commutation (60) de sa seconde position à sa première position.
  10. Dispositif d'entraînement selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément de commutation (60) est précontraint dans la première position par un ressort (64) ou un élément en élastomère.
  11. Dispositif d'entraînement selon l'une des revendications précédentes,
    caractérisé en ce que
    l'organe d'entraînement (12) est guidé de manière linéaire sur le boîtier (10) et sur un trajet sur le boîtier (10) plus long que le chariot (30) guidé de manière linéaire sur le boîtier (10) avec l'élément de commande (40).
  12. Dispositif d'entraînement selon la revendication 1,
    caractérisé en ce que
    la bascule de commande (70) pivote par l'organe d'entraînement (12) pour commuter l'élément de commutation (60) de sa première à sa seconde position.
  13. Dispositif d'entraînement selon l'une des revendications 1 à 11,
    caractérisé en ce que
    l'élément de commutation (60) est commuté par l'organe d'entraînement (12), directement de sa première à sa seconde position.
  14. Dispositif d'entraînement selon la revendication 11 ou 13,
    caractérisé en ce que
    l'organe d'entraînement (12) comporte un guide (75) qui commute l'élément de commutation (60) directement ou indirectement de sa première à sa seconde position et de sa seconde position à sa première position.
  15. Dispositif d'entraînement selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément de commande (40) comporte une première broche (41) guidée dans le chemin de guidage (17) sur le boîtier (10) et une seconde broche (42) qui pénètre dans le trajet de l'organe d'entraînement (12), et qui peut être mis en prise avec un actionneur (7).
  16. Dispositif d'entraînement selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément de commande (40) est prévu sur un chariot (30) qui est précontraint dans la direction d'ouverture par un accumulateur de force (22),
    * l'élément de commande (40) est guidé sur le chariot (30) de préférence de manière pratiquement perpendiculaire à la direction de mouvement du chariot (30).
  17. Dispositif d'entraînement selon l'une des revendications précédentes,
    caractérisé en ce qu' il comporte
    un verrou de retour qui évite l'éjection de l'élément mobile de meuble (3) lors de la phase de mise en tension.
  18. Meuble comportant un corps (2), un élément mobile (3) et un dispositif d'entraînement selon l'une quelconque des revendications précédentes, l'élément mobile de meuble (3) étant déplacé par le dispositif d'entraînement.
EP17739274.3A 2016-07-15 2017-07-13 Dispositif d'entraînement pour un élément de meuble mobile et meuble Active EP3484323B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016113043.5A DE102016113043A1 (de) 2016-07-15 2016-07-15 Antriebsvorrichtung für ein bewegbares Möbelteil und Möbel
PCT/EP2017/067728 WO2018011354A1 (fr) 2016-07-15 2017-07-13 Dispositif d'entraînement pour un élément de meuble mobile et meuble

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EP3484323B1 true EP3484323B1 (fr) 2021-06-16

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CN (1) CN109475232B (fr)
DE (1) DE102016113043A1 (fr)
ES (1) ES2883157T3 (fr)
RU (1) RU2739176C2 (fr)
WO (1) WO2018011354A1 (fr)

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AT522396B1 (de) 2019-03-20 2021-08-15 Blum Gmbh Julius Antriebsvorrichtung für ein bewegbares Möbelteil
DE202020106657U1 (de) * 2020-11-19 2022-02-24 Grass Gmbh Vorrichtung zum Bewegen eines bewegbaren Möbelteils
DE102021115557A1 (de) * 2021-06-16 2022-12-22 Grass Gmbh Vorrichtung zum Bewegen eines bewegbaren Möbelteils

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AT502417B1 (de) * 2005-09-06 2009-11-15 Blum Gmbh Julius Verriegelbare ausstossvorrichtung
JP5019898B2 (ja) * 2007-02-07 2012-09-05 トックベアリング株式会社 両方向引き込みユニット
DE202009001516U1 (de) * 2009-01-19 2010-06-24 Paul Hettich Gmbh & Co. Kg Rastbeschlag und Auszugsführung
CN102469880B (zh) * 2009-08-07 2014-03-12 保罗海蒂诗有限及两合公司 推出机构、拉出引导装置和推出系统
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DE102010016297A1 (de) * 2010-04-01 2011-10-06 Paul Hettich Gmbh & Co. Kg Ausstoßvorrichtung
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DE202011108293U1 (de) * 2011-11-24 2013-02-27 Grass Gmbh Vorrichtung zum Öffnen und Schließen eines bewegbaren Möbelteils
CN202536707U (zh) * 2012-03-21 2012-11-21 振躍精密滑轨股份有限公司 滑轨自关及弹出装置
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RU2019102558A (ru) 2020-08-17
WO2018011354A1 (fr) 2018-01-18
RU2019102558A3 (fr) 2020-10-09
ES2883157T3 (es) 2021-12-07
CN109475232B (zh) 2021-06-25
RU2739176C2 (ru) 2020-12-21
DE102016113043A1 (de) 2018-01-18
EP3484323A1 (fr) 2019-05-22
CN109475232A (zh) 2019-03-15

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