EP3531869B1 - Antriebsvorrichtung für ein bewegbares möbelteil - Google Patents

Antriebsvorrichtung für ein bewegbares möbelteil Download PDF

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Publication number
EP3531869B1
EP3531869B1 EP17791054.4A EP17791054A EP3531869B1 EP 3531869 B1 EP3531869 B1 EP 3531869B1 EP 17791054 A EP17791054 A EP 17791054A EP 3531869 B1 EP3531869 B1 EP 3531869B1
Authority
EP
European Patent Office
Prior art keywords
ejection device
drive device
ejection
drawer
actuating
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
EP17791054.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3531869A1 (de
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
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 EP3531869A1 publication Critical patent/EP3531869A1/de
Application granted granted Critical
Publication of EP3531869B1 publication Critical patent/EP3531869B1/de
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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
    • 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
    • A47B88/44—Sequencing or synchronisation of drawer slides or functional units
    • A47B88/45—Synchronisation of cooperating drawer slides, i.e. with a coordination of the rail movement of different drawer slides
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
    • E05F17/002—Special devices for shifting a plurality of wings operated simultaneously for wings which lie one behind the other when closed
    • 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
    • A47B88/70—Coupled drawers
    • A47B88/75—Coupled drawers the secondary drawer being in or above the primary drawer
    • A47B2088/76—Coupling means therefor

Definitions

  • the present invention relates to a drive device for a movable furniture part according to the preamble of claim 1.
  • the DE 10 2012 102 211 A1 discloses an ejection device for a movable furniture part, in which a lever is rotatably mounted about an axis and is biased to a housing via an energy accumulator. By pivoting the lever by pressing a drawer out of the closed position into an overpressing position, a locking device can be unlocked so that the drawer is ejected as a movable furniture part via the pivotable lever.
  • a lever By pivoting the lever by pressing a drawer out of the closed position into an overpressing position, a locking device can be unlocked so that the drawer is ejected as a movable furniture part via the pivotable lever.
  • Such an ejection device requires a comparatively large amount of installation space in the rear area of the drawer.
  • the distance the lever is in contact with the drawer when ejected is comparatively short.
  • AT 515 313 A4 discloses a drive device for a movable furniture part which has two ejection devices coupled via a synchronization device.
  • a spring-loaded locking element can be unlocked when the movable furniture part is pressed over from the closed position into a press-over position.
  • the drive device comprises a driver which can be moved linearly and is preloaded by an energy store, by means of which a movable furniture part can be ejected from the closed position in the opening direction.
  • a movable furniture part can be coupled to the driver for a comparatively long distance.
  • a locking device is provided which, on the one hand, can be unlocked via the driver when it acts on an actuating element of the locking device, and, on the other hand, the locking device can be unlocked via an actuating element provided on the ejection device.
  • the ejection device can optionally be unlocked by moving the actuating element and / or by the actuating element.
  • At least two spaced connections are provided on the ejection device, at least one connection being provided for coupling to the actuating element.
  • the locking device can be unlocked by means of the connections. Due to the two or preferably three spaced-apart connections, the ejection device can be adapted to different installation situations, depending on the point at which the ejection device is to be coupled to the connections, for example with a further ejection device or a mechanical sensor which, for example, detects movement of a front panel detected.
  • the large number of connections for connecting the actuating element to the mechanical sensors or further ejection devices enables a high degree of flexibility.
  • the actuating element comprises a rotatable shaft which is mounted on a housing of the ejection device.
  • protruding sections can be provided on opposite sides of the housing, which serve as a “connection” for connection to further actuating mechanisms.
  • the shaft can also comprise at least one radially protruding projection which is in engagement with the actuating element, so that the actuating element is displaced when the shaft rotates.
  • the actuating element can be slidably mounted on the ejection device and, according to the invention, is biased into a starting position by means of a spring.
  • the ejection device In order to be able to tension the energy accumulator at a distance from a closed position, the ejection device has a slide pretensioned by the energy accumulator, on which a control element is slidably guided, which on the one hand is coupled to the driver via a path of a curve and on the other hand is coupled to a guide path of the ejection device is.
  • the force storage device can then also be tensioned at a distance from a closing area via the control element, so that a pull-in device can be effective in the closing area.
  • this can have a control element which is guided in a guideway of the ejection device, the movable actuating element and the guideway form a locking area in which a pin of the control element can be stored.
  • two spaced ejection devices are provided, each with an energy store and a driver, the locking devices of which are connected to one another via synchronization means.
  • the synchronization means can comprise a rotatable or displaceable rod or can be formed by a cable pull.
  • a rotatable rod is preferably provided.
  • the rotatable rod can also be arranged at a distance from the axis of the actuating elements, a transmission mechanism being provided on both ejection devices in order to transmit a movement of the actuating element into a rotational movement of the rod.
  • the rod can be synchronized at different positions in the furniture, for example if a rear area is installed beneath a washbasin due to a siphon.
  • a piece of furniture 1 comprises a furniture body 2 on which one or more drawers 3 are slidably mounted.
  • Each drawer has a front panel 4, which is arranged in the closed position just before the furniture body 2 and can be inserted from the closed position into an overpressure position in the direction of the furniture body 2 in order to unlock an ejection device 6, by means of which a drawer 3 can be moved out of the closed position into Opening direction is ejectable.
  • an upper drawer 3 is provided with a recess in the rear area, for example because a drain pipe or another element occupies this space.
  • FIG 2 the upper drawer 3 is shown in an open position, and it can be seen that the drawer 3 is movably mounted on opposite sides on a pull-out guide 5 which has three rails.
  • FIG 3 the furniture body 2 is shown without the drawers 3.
  • An ejection device 6 is mounted on each pull-out guide 5, each of which has a linearly movable driver 12 which is biased in the opening direction by means of an energy store.
  • the driver 12 By coupling the driver 12 to the drawer of the ejection device 6, the drawer 3 can be ejected in the opening direction after the locking device has been unlocked.
  • the two ejection devices 6 are coupled to one another via synchronization means, so that when one of the locking devices is unlocked, the other locking device on the ejection device 6 is also unlocked.
  • the synchronization means comprise a rod 80, which is arranged in the upper drawer 3 in a central region of the ejection device 6, so that a rear installation space can be occupied by other components, such as drain pipes, while in the lower drawer, the rod 80 in a rear Area of the ejection device 6 is provided.
  • Each pull-out guide 5 can be coupled with a self-closing mechanism in order to pull the drawer 3 in the closing direction before reaching a closed position and to hold it in the closed position.
  • an energy store of the ejection device 6 can be loaded by moving the driver 12 along a guide 11 on a housing 10 of the ejection device 6 in the closing direction.
  • Each pull-out guide is fixed to a side wall of the furniture body 2 via a bracket 9.
  • FIG. 5 A pull-out guide 5 with an ejection device 6 is shown.
  • the driver 12 is guided in a linearly movable manner on a housing 10 of the ejection device 6, a locking device for the ejection device 6 being arranged in the housing 10, which can be unlocked either by moving the driver 12 or an actuating element in the form of a rotatable shaft 90.
  • the rotatable shaft 90 comprises a radially protruding projection 91 which acts on an actuating element 50 of the locking device in order to perform an unlocking.
  • the rotatable shaft 90 comprises a section 81 protruding from the housing 10 and a protruding section 94 on the opposite side.
  • the sections 81 and 94 form connections to which actuation mechanisms for unlocking the locking devices or for actuating other additional functions can be mounted.
  • a rotatable rod 80 is rotatably attached to the section 81 in order to synchronize two ejection devices 6 with one another.
  • an actuating section 92 is provided adjacent to section 81, on which a projection 93 is formed, which engages in an opening 85 of a strip 84.
  • the strip 84 has openings 85 on opposite sides and is guided between the housing 10 and a diaphragm 83 which can be locked on the housing 10.
  • a projection 88 of a rotating part 87 engages in the second opening 85 and is formed on a coupling element 86.
  • the coupling element 86 is inserted into a rod 80 and connected to it in a rotationally fixed manner.
  • the locking device can thus be unlocked either via the coupling element 86 and the rod 80 or the projecting section 81 on the rotatable shaft 90.
  • the rotatable shaft 90 is rotatably mounted on a bearing receptacle 95 on the housing 10.
  • the ejection device 6 is shown in section, in particular the rotatable shaft 90 on the bearing receptacle 95.
  • a first position which is detailed in Figure 8A is shown, the protruding projection 91 is in a starting position and is arranged on a receptacle 58 of an actuating element 50.
  • the actuating element 50 is displaced by the protruding projection 91 against the force of a spring 68 until the in Figure 8B shown position is reached, in which an unlocking of the locking device was effected.
  • the drawer 3 can be ejected and the actuating element 50 can be moved back to the starting position by the spring 68, so that the rotatable shaft 90 is pivoted back into the starting position.
  • the ejection device 6 is explained in detail below: As in the Figures 9A and 9B is shown, there is a slide 30 within the housing 10, which is slidably mounted in a receptacle 20 in the longitudinal direction of the housing 10. On the receptacle 20 of the housing 10 there is a holder 21 on one end face in order to fix an 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 on a spring holder 32 on the slide 30, so that the slide 30 is prestressed on the housing 10 in the opening direction. The number and the respective spring characteristic of the springs 22 can be selected depending on the purpose of the drive device.
  • the housing 10 can be closed by a cover 14.
  • a receptacle 33 for guiding a control element 40 is also provided on the carriage 30.
  • Side walls 38 are arranged on the receptacle 33, which cause the control element 40 to be guided essentially perpendicular to the opening direction.
  • a receptacle 37 is also provided on the receptacle 33 on a side wall 38, on which a projecting web 43 of the control element 40 can be carried out 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 bear against the side walls 38 of the receptacle 33.
  • the control element 40 comprises a first pin 41 which is guided in a guideway 17 on the housing 10.
  • a second pin 42 is also provided on the control element 40 and is guided on the driver 12.
  • a guide track 16 is formed on the driver 12.
  • a curve guide 34 in which a toothed wheel 36 is guided, is also provided on the carriage 30.
  • 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 on the housing 10, as shown in the detailed view of FIG Figure 5 is recognizable.
  • the gear wheel 36 is guided with a pin in a loop-shaped guideway 18 of the housing 10, a section of the Guideway 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 tensioning process of the ejection device 6 is interrupted, the gear wheel 36 engages in the rack 19 and thus prevents the movable furniture part 3 from being ejected.
  • Such a backstop is, for example, in FIG DE 10 2016 107 918 described. Such a backstop is advantageous for the present ejection device, but can optionally also be omitted.
  • An actuating element 50 is also provided on the housing 10 and is slidably held in an actuating element receptacle 26 on the housing 10.
  • a box-shaped section 55 engages in the actuating element receptacle 26, while a web 56 is received in 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.
  • On the axis of rotation of the switching element 60 an elongated recess 61 is provided, into 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 actuating element 50 via a cantilever 67, so that when the switching element 60 rotates, the rotary damper 65 is actuated and generates a braking effect.
  • 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 rotational movement of the switching element 60.
  • the actuating element 50 is biased into a starting position via a spring 68.
  • the spring 68 is placed in a spring receptacle 69 on the actuating element 50, the spring 68 abutting the actuating element 50 on one end face and on a wall of the housing 10 on the opposite side.
  • the spring 68 is designed as a compression spring and tensions the actuating element 50 thus in the opening direction.
  • a bracket spring 64 is also mounted on the actuating element 50, which biases the switching element 60 into a first position.
  • the bow spring 64 abuts the arm 63 at one end and is supported on the actuating element 50 at the opposite end.
  • a web 53 is also formed on the actuating element 50, on which part 51 of a snap-in 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 latch 54 is also provided, which can ensure that the actuating element 50 is latched to 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 cantilever 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. If 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 via a defined path of the driver 12.
  • FIG. 10 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 guideway 17 is loop-shaped.
  • a first part 23 of a snap-in receptacle is provided on the guideway 17, on which the pin 41 for locking or locking the ejection device 6 can be placed.
  • the second part 51 of the latching receptacle is formed on the actuating element 50. If 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 placed there in order to lock the ejection device 6 in a closed position.
  • 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 stored in the latching receptacle.
  • FIG Figures 11 to 18 Show sectional views through the ejection device 6, some of which are arranged in different planes, in order to be able to better track the position of the pins 41 and 42 in the region of the driver 12 and the guideway 17.
  • the ejection device 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 actuating element 50.
  • the locking receptacle is in the closed position, and the ejection device 6 is locked against the force of the springs 22 via the pin 41 and the locking receptacle.
  • the second pin 42 of the control element is located at an angled end of the guideway 16 on the driver 12.
  • the movable furniture part 3 or the drawer is moved from the closed position into an overpressure position, as shown in FIGS Figures 12A and 12B 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 3 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, which moves the actuating element 50 against the force of the spring 68 relative to the housing 10.
  • the movement of the actuating element 50 also shifts the second part 51 of the latching receptacle 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 FIGS Figures 13A and 13B 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 locking lug 54 bears against the locking projection 25 of the housing 10. Due to the locking of the actuating 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 large that the pin 41 can pass between them.
  • the first pin 41 on the control element 40 runs against a run-on slope 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 close.
  • the movable furniture part 3 is now moved further in the opening direction until the first pin 41 strikes a run-on slope 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 guideway 16 and can thus be moved along the central section of the guideway 16, which is oriented slightly inclined to the closing and opening direction, in order to move the driver 12 further along the guide 11 on the Moving housing.
  • FIGS 15A and 15B 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 guideway 16, and the first pin 41 is located at a tip end of the guideway 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 in the Figures 15 and 16 in the left-hand lane of the loop-shaped guideway 17.
  • the backstop is also activated with the gear 36, which is moved along the rack 19 on the housing. If the tensioning process is interrupted, the gear 36 of the backstop secures the previously tensioned position of the slide 30.
  • the ejection device 6 cannot be triggered since the switching element 60, which can establish a connection between the pin 41 and the actuating element 50, is arranged in the pivoted position. Due to the movement of the pin 41 into the snap-in receptacle, the second pin 42 also comes out of the angled end section of the guideway 16 and can be moved along the driver 12. In this area, for example in an area between the closed position and 40 mm before the closed position, self-retraction can now take effect, which is arranged, for example, on the pull-out guide.
  • Such 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 self-retracting.
  • the cam guide 75 comes 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 uses the force the bow spring 64 is pivoted back into the first position in which unlocking of the ejection device 6 is made possible.
  • the second pin 42 is then located at the angled end portion of the guideway 16, and it becomes the in Figures 11A and 11B shown closed position reached.
  • the drawer is not pushed beyond the closed position into the overpressure position, and the user can release the ejection device 6 again immediately after reaching the closed position, since when the closing position is reached by pivoting the switching element 60 into the first position unlocking is made possible.
  • the pin 41 does not rest on an end face of the pressure piece 62, but laterally on 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 in the opening direction relative to the housing 10 until the first pin 41 is placed on the snap-in receptacle, which is held by the first part 23 is formed on the housing 10 and the second part 51 on the actuating element 50, and which in the Figures 11A and 11B shown position is reached.
  • the driver 12 When the pin 41 is placed on the snap-in receptacle, the driver 12 is simultaneously moved along the housing 10, so that the cam cam 75 releases the guide cam 73 to such an extent that the switching element 60 is moved from the second position into the second position by the force of the bow spring 64 first position can be pivoted. An opening process can thus take place again immediately after reaching the closed position. 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 which period of time is to be waited for.
  • Such a time delay is, however, only optional, since even after the movable furniture part has been pushed into the press-over position, immediate opening is possible as soon as the movable furniture part has reached the closed position.
  • a linear damper or another mechanical timing element can also be provided for the delayed backward pivoting or pushing-back movement.
  • Simple mechanical timers are, for example, suction cups with a small hole, which loosen contact with a surface due to the inflowing air, or an elastomer with a slowed-down return movement. When an elastomer is used, the spring 64 can be omitted for the return movement, since the elastomer itself can have a resilient effect.
  • FIG 19 A modified ejection device 6 is shown, in which a linearly movable driver 12 and a bearing receptacle 95 for a rotatable shaft 90 are provided on the housing 10 as in the previous exemplary embodiment.
  • the rotatable shaft 90 comprises a projecting section 81 and a second projecting section 94 ', to each of which actuation mechanisms can be connected.
  • a further protruding section 86 ′ is formed on the ejection device 6 and can be rotated to move the actuating element 50 for unlocking.
  • three spaced-apart connections for connection to an actuating mechanism are provided on the ejection device 6, so that, depending on the installation situation, one or more of these connections can be used to couple the ejection device 6 to a further ejection device 6 or a mechanical sensor by means of which Signal for an opening movement can be detected.
  • FIG. 20 A piece of furniture 101 is shown in a further embodiment.
  • the furniture 101 comprises a furniture body 102 which has two side walls 103 on opposite outer sides and a middle partition 104.
  • a drawer element which has a first drawer 105 and a second drawer 106 is movably held on the furniture body 102.
  • a front of the two drawers 105 and 106 is covered by a common front panel 107, which extends over the entire width of the furniture body 102.
  • Each drawer 105 and 106 is held movably via two pull-out guides 110.
  • Each pull-out guide 110 comprises a stationary guide rail 111 fixed to the furniture body 102, a middle rail 112 and a movable running rail 113 on which the drawer 105 or 106 rests.
  • a pull-out guide 110 is mounted on the partition 104 on opposite sides, and also on the inside of the two side walls 103. If the furniture body 102 is wider, a pull-out guide 110 can also be mounted on a further partition 104 instead of on an outer side wall 103 .
  • each pull-out guide 110 can also have only two or more than three rails that can be moved relative to one another.
  • a driver 117 can be moved on a housing of each ejection device 6 and can be brought into engagement with an activator 118 on the running rail 113 in order to move the running rail 113 and thus the drawer 105 or 106 in the opening direction. If the drawer 105 or 106 is moved in the closing direction, the driver 117 can be moved in the closing direction via the activator 118 in order to tension the energy store and lock the driver 117 in an end position. Unlocking can take place, for example, by pressing the front panel 107 out of the closed position into an overpressure position.
  • synchronization means comprise a rod 116 which synchronizes the ejection device 6 of the two drawers 105 and 106, so that when an ejection device 6 of one drawer 105 or 106 is unlocked, an ejection device 6 of the other drawer 105 or 106 is unlocked.
  • the area of the synchronization means is in the detailed views of the Figures 21B and 21CB shown.
  • the ejection devices 6 are fixed to the pull-out guide 110 with a housing and have a bearing receptacle 95 in which an actuating rod 121 is rotatably mounted.
  • the actuating rod 121 has a first end section 122 which is coupled in a rotationally fixed manner to the connecting rod 115.
  • the actuating rod has a connecting section 123 which is non-rotatably coupled to a lever 124.
  • a receptacle 125 is formed on the lever 124, into which the connecting section 123 is inserted.
  • the lever 124 there is also a projection 126 which is inserted into a receptacle 127 of the rod 116.
  • the rod 116 extends through an opening 128 in the partition 104 and thus connects the two levers 124 to one another, which are rotatably coupled to the two actuating rods 121 on the ejection devices 6.
  • the ejection devices 6 thus have two connections or interfaces, each connection being suitable for being coupled to a synchronization means. If the front panel 107 is now moved from the closed position into an overpressure position, the activators press on the movable drivers 117, which are also pressed in in the closing direction and thus unlock a latching mechanism in the ejection devices 6.
  • the actuating rod 121 is rotated, which leads to a pivoting of the levers 124, so that all four ejection devices 6 are unlocked at the same time, even if the front panel 107 is pressed in only on one side and the pushing-in movement on the opposite side would not yet be sufficient to unlock the ejector 6. Unlocking can thus also be effected if the front panel 107 is brought into an inclined position when pressed in.
  • the driver 117 can now be located on each ejection device 6 are moved in the opening direction by the energy accumulator, so that the two drawers 105 and 106 are also ejected in the opening direction via the activators 118. For tensioning the energy accumulators, the drivers 117 bring them into the starting position and lock them there.
  • FIG 22 A piece of furniture 201 is shown with a furniture body 202 on which a drawer 203 is movably mounted.
  • the drawer 203 has a front panel 204 on its front side, which projects far above the drawer 203.
  • FIG. 23A and 23B furniture 201 is shown without drawer 203.
  • a pull-out guide 205 is provided on opposite side walls of the furniture body 202, which has a movable running rail 206 on which the drawer 203 is supported.
  • the pull-out guide 205 is fixed to a bracket 207 which is fixed to the side wall.
  • a holder 250 is provided in order to fix a housing 208 of an ejection device 6.
  • a housing 208 is provided on each pull-out guide 205, synchronization means 210 being provided in the form of a rod in order to bring about a simultaneous unlocking of the two ejection devices.
  • each housing 208 there is a drive element or driver 209 pretensioned via an energy store, which can be moved along a guide on the housing 208 and is held in a closed position by a locking device.
  • An actuating shaft 211 is rotatably mounted on the housing 208 and is used to unlock the locking device.
  • the actuating shaft 211 is connected on one side in a rotationally fixed manner to the rod of the synchronization means 210 and on the opposite side is connected to a shaft 212 which is coupled to a mechanical sensor.
  • the shaft 212 is connected on a deflection element 213 to a vertical shaft 214 which is held on an upper bearing 215.
  • the plunger 216 is arranged behind a cover 217.
  • the plunger 216 is also biased into a projecting position by a spring 290.
  • a rack section 218 is formed on the tappet 216, which engages with a ring gear on the vertical shaft 214.
  • FIG 24 The drawer 203 is shown in the furniture body 202, in which the front panel 204 has been moved from a closed position into an overpressure position.
  • the plunger 216 rests on an inside, so that a push-in movement is detected.
  • the driver 209 likewise moves slightly in the closing direction, so that the locking device can be unlocked via the driver 209. Since the front panel 204 has a certain mobility, the locking device can thus be triggered both via the driver 209 and via the mechanical sensor with the plunger 216.
  • FIG. 25 A piece of furniture 301 is shown with a furniture body 302 on which a drawer 303 and an inner drawer 305 are movably mounted.
  • the inner drawer 305 is arranged in a closed position in a concealed position, and a front panel 304 of the drawer 303 completely covers a front panel 306 of the inner drawer 305. It is also possible for more than just one inner drawer 305 to be movably mounted on the furniture body 302, which is arranged concealed behind the front panel 304.
  • Both the inner drawer 305 and the drawer 303 are movably supported by two pull-out guides 308, which are each mounted on a bracket 307 on the furniture body 302.
  • Each of the pull-out guides 308 comprises a stationary guide rail 309, a middle rail 310 and a movable guide rail 311.
  • the front panel 304 is pressed from the closed position into a press-over position in the direction of the furniture body 302 in order to unlock a locking device of an ejection device 6.
  • a stationary holder 380, on which an ejection device 6 is mounted, is fixed to a pull-out guide 308 for the drawer 303.
  • a driver 313 is mounted on a guide on the ejection device 6 and connectable with a coupling element on the drawer 303 or the running rail 311 in order to eject the drawer 303 in the opening direction.
  • the two ejection devices 6 are coupled to one another via a rotatable rod 314 in order to also unlock the locking device of the other ejection device 6 when a locking device of one ejection device 6 is unlocked.
  • the drawer 303 is simultaneously ejected on opposite sides by a driven driver 313 in the opening direction when an unlocking has taken place.
  • the inner drawer 305 can also be driven via an ejection device 6, on which a driven driver 313 is guided linearly and can be coupled to a coupling element on the inner drawer 305 or a running rail 311 on the inner drawer 305 in order to eject in the opening direction.
  • the two ejection devices 6 are coupled to one another via a rotatable rod 317 in order to also unlock the unlocking of the other ejection device 315 when one locking device of one ejection device is unlocked.
  • the pull-out guides 308 are shown with the ejection devices 6 without the furniture body 2, drawer 303 and inner drawer 305.
  • the first ejection devices 6 for the drawer 303 are synchronized with the second ejection devices 6 for the inner drawer 305, so that when the two first ejection devices 6 are unlocked, the second ejection devices 6 are also unlocked.
  • synchronization means are provided which comprise a vertical rotatable rod 321 which is arranged between two deflection devices 320.
  • the deflection devices 320 are pot-shaped and can be inserted in a recess on a side wall of the furniture body 302.
  • a rotation of the vertical rod 321 is brought about in a rotation of a shaft 319, which establishes a connection between the rotatable vertical rod 321 and the locking device of one of the ejection devices 6.
  • all four ejection devices 6 are synchronized with one another.
  • Unlocking takes place by pushing in the front panel 304 in the closing direction, the distance between the front panel 304 and the front panel 306 of the inner drawer 305 being chosen such that no contact takes place and only the drawer 303 is moved in the closing direction, and at least one of the first two ejection devices 6 is unlocked, which then also unlocks the other three ejection devices via the synchronization means.
  • the front panel 306 of the inner drawer 305 it is possible for the front panel 306 of the inner drawer 305 to bear against the front panel 304 of the drawer 303 in the closed position, so that by pushing in the front panel 304 the inner drawer 305 is also moved in the closing direction, so that a second ejection device 6 also unlocks first can be and then unlocking the other three ejection devices 6 is effected.
  • Figure 27 shows a modified ejection mechanism, as in a piece of furniture Figure 25 can be used, which has a drawer 303 and an inner drawer 305, which are movably mounted on pull-out guides 308.
  • the two ejection devices 6 for the inner drawer 305 and the two ejection devices 6 for the drawer 303 are each coupled to one another via synchronization means 414, which are designed as a rotatable rod and ensure that when a locking device of one ejection device 6 is unlocked, the locking device of the other ejection device 6 is unlocked.
  • an activator 416 in the form of a projection is provided on the outside, which acts on a pivotable lever 417 when a predetermined opening position of the drawer 303 is reached and pivots it.
  • the lever 417 is rotatably mounted on a housing 418, which is fixed to a side wall of the furniture body 302.
  • the lever 417 rotates a vertical rod 419 that is coupled to the lever 417.
  • the vertical rod 419 is connected to a horizontal rod 425 via a first deflection device 420.
  • the deflection device 420 comprises a cup-shaped housing, on which a first bearing 421 for the vertical rod 419 and a second bearing 422 for the horizontal rod 425 is formed. Teeth 423 are formed on one end side of the vertical rod 419 and teeth 424 are formed on one end side of the horizontal rod 425, which engage with each other, so that the horizontal rod 425 is also rotated by rotating the vertical rod 419.
  • the horizontal rod 425 is coupled to an actuating shaft 429 via a further deflection device 426.
  • the deflection device 426 also comprises a pot-shaped housing, on the bearings 427 and 428 for the rod 425 and the operating shaft 429 are provided.
  • the horizontal rod 425 has teeth 435 on the end, which engage teeth 431 of the actuating shaft 429.
  • the actuating shaft 429 is coupled via two gearwheels 432 and 434 to an unlocking shaft 433, which in turn is non-rotatably connected to the synchronization means 414.
  • At least one radially protruding projection can unlock a locking device of the ejection device 6 in order to move the prestressed drive element along a guide in the opening direction.
  • the drive element 413 can be coupled to a coupling element on the inner drawer 305 or on the running rail of the pull-out guide 308 for the inner drawer 305 for the ejection area, and a decoupling takes place at a distance from the ejection area.
  • the driver 313 is moved in the closing direction via the support element, the loading of the energy store being arranged offset to the ejection path by the ejection device 6, that is to say carried out at a distance from the closed position.
  • the energy storage device can first be loaded and locked via a movement of the driver 313 in the closing direction before a self-closing mechanism 440 on the pull-out guide 308 pulls the inner drawer 305 in the closing direction and holds it in a closed position.
  • the self-closing 440 can also have a damper to brake a closing movement of the inner drawer 305.
  • the inner drawer 305 can be opened by opening the drawer 303, which can optionally be moved in the opening direction via an ejection device 6 or via a handle element. Regardless of how the drawer 303 is moved in the opening direction, an opening movement of the drawer 303 can unlock one or both ejection devices 6 for the inner drawer 305, the activator 416 pivoting the levers 417 of the actuating means, thereby causing the vertical rods 419 to rotate , the horizontal rods 415, the actuating shafts 429 and thus the unlocking shaft 433.
  • This gear chain unlocks the locking device of the two ejection devices 6, which are additionally synchronized via the synchronization means 414 in order to eject the inner drawer 305 when a predetermined position of the drawer 303 is reached.
  • the two drivers 313 of the ejection device 6 move in the opening direction.
  • the position at which the activator 416 acts on the actuating means for ejecting the inner drawer 305 can preferably be arranged in an opening area at which the drawer 303 has traveled at least 50% of the maximum distance to the maximum opening position, preferably at least 70%.
  • FIG. 29 to 31 Another exemplary embodiment of an ejection device 6 is shown, wherein in Figure 29 two ejection devices 6 that can be coupled to one another are shown, which have a housing 10, on which a bearing receptacle 95 with a rotatable shaft 90 is provided, which projects on opposite sides with a section 94 ′ and 96.
  • each ejection device 6 on the housing 10 also comprises a housing part 97 which is penetrated by the shaft 90. It can also be provided that the housing 10 and the housing part 97 are designed as a housing.
  • a plurality of receptacles 98 are formed on the upper side of the housing part 97, a rotatable coupling element 99 having a section 100 projecting from the housing part 97 being formed in one of the receptacles 98. Otherwise, the ejection device 6 with the driver 12 and the guide 11 is closed as above Figure 19 described.
  • FIG 30 is the ejection device Figure 29 the housing part 97 has been omitted, and it can be seen that a displaceable actuating element 130 is provided in the housing part 97, which is rod-shaped and is coupled to a radially projecting projection 91 of the shaft 90.
  • the shaft 90 is rotated, the strip-shaped actuating element 130 is displaced via the radially protruding projection 91.
  • the projection 91 engages in a corresponding receptacle 131 on the actuating element in that the projection 91 is arranged in a form-fitting manner.
  • a plurality of receptacles 132 which are arranged adjacent to the receptacles 98 of the housing part 97, are provided on the actuating element 130 over the length.
  • Each of the receptacles 132 can be connected to a coupling element 99 for connection.
  • only the receptacle 132 opposite the shaft 90 is connected to a coupling element 99 on the receptacle 98, the coupling element 99 having a radially protruding projection 133 which engages in the receptacle 132 of the actuating element 130.
  • one or more coupling elements 99 can thus be rotated, and each of the coupling elements can be connected to a further ejection device 6 or to another functional part.
  • the coupling element 99 is rotated by an event can thus rotate one or more coupling elements 99 and / or the shaft 90 by means of the actuating element 130.
  • the number of coupling elements 99 can thus be selected, one or four coupling elements being able to be provided instead of the one to four.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawers Of Furniture (AREA)
EP17791054.4A 2016-10-27 2017-10-25 Antriebsvorrichtung für ein bewegbares möbelteil Active EP3531869B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102016120591 2016-10-27
DE102017108454.1A DE102017108454A1 (de) 2016-10-27 2017-04-20 Antriebsvorrichtung für ein bewegbares Möbelteil
PCT/EP2017/077274 WO2018077930A1 (de) 2016-10-27 2017-10-25 Antriebsvorrichtung für ein bewegbares möbelteil

Publications (2)

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EP3531869A1 EP3531869A1 (de) 2019-09-04
EP3531869B1 true EP3531869B1 (de) 2020-07-22

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EP (1) EP3531869B1 (zh)
CN (1) CN109862808B (zh)
DE (1) DE102017108454A1 (zh)
ES (1) ES2820224T3 (zh)
WO (1) WO2018077930A1 (zh)

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EP3684225B1 (de) * 2017-09-20 2021-09-15 Julius Blum GmbH Antriebsvorrichtung für ein bewegbares möbelteil
DE202018104682U1 (de) 2018-08-15 2018-09-10 Reme-Möbelbeschläge Gmbh Auszugsführung für Schubkästen
CN113142847A (zh) * 2021-04-02 2021-07-23 广东图特家居科技股份有限公司 抽屉同步反弹装置及其抽屉
CN217065778U (zh) * 2022-04-01 2022-07-29 广东星徽精密制造股份有限公司 一种隐藏轨同步反弹装置
WO2024039309A1 (en) * 2022-08-15 2024-02-22 Samet Kalip Ve Madeni̇ Eşya San Ve Ti̇c. A.Ş Arrangement with two devices for ejecting a movable furniture part
CN116458738B (zh) * 2023-04-21 2023-10-20 广东图特精密五金科技股份有限公司 一种具有短距触发行程的弹出机构

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Publication number Publication date
DE102017108454A1 (de) 2018-05-03
ES2820224T3 (es) 2021-04-20
CN109862808A (zh) 2019-06-07
WO2018077930A1 (de) 2018-05-03
EP3531869A1 (de) 2019-09-04
CN109862808B (zh) 2021-03-30

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