• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Furniture drive (4) for a relative to a furniture body (2) movably mounted furniture part (3) comprising: - at least one pivotally mounted actuating arm (6) for moving the movable furniture part (3), - a spring device (10) for applying force to the actuating arm (6), - a transmission mechanism (33) for transmitting a force of the spring device (10) to the actuating arm (6), wherein the transmission mechanism (33) has a first control contour (24) with a first torque curve and one of the spring device (10). loaded pressure piece (26), wherein the pressure piece (26) during a movement of the actuating arm (6) along the first control contour (24) is movable, wherein at least one second control contour (27) with a second, deviating from the first torque curve, torque curve and a switching device (9) are provided, wherein the at least one second setting contour (27) can be brought into engagement with the pressure piece (26) by the switching device (9) t, so that the pressure piece (26) during a movement of the actuating arm (6) along the second adjusting contour (27) is movable.
    公开号:AT518535A4
    申请号:T50380/2016
    申请日:2016-04-28
    公开日:2017-11-15
    发明作者:
    申请人:Blum Gmbh Julius；
    IPC主号:
    专利说明:

    The present invention relates to a furniture drive for a relative to a furniture body movably mounted furniture part comprising: - at least one pivotally mounted actuating arm for moving the movable furniture part, - a spring device for applying force to the actuating arm, - a transmission mechanism for transmitting a force of the spring device the actuating arm, wherein the transmission mechanism has a first control contour with a first torque curve and a loaded by the spring device pressure piece, wherein the pressure piece is movable in a movement of the actuating arm along the first control contour.
    Furthermore, the invention relates to an arrangement with a furniture drive of the type to be described and with a support structure for mounting the furniture drive to a furniture body.
    A furniture drive of this kind is already known, for example, from WO 2006/005086.
    A particular challenge when using such furniture drives is that the force exerted on the actuating arm torque of the spring device is adapted to the respective weight and / or to different loading conditions of the movable furniture part. If this torque is too low with respect to the weight and / or with regard to a loading state of the furniture part, then the movable furniture part can not be moved at all into a raised end position relative to a furniture carcass. If, on the other hand, the torque acting on the actuating arm is set too high, then it is entirely possible that the movable furniture part will snap up with an unreasonably high force into the raised end position relative to a furniture carcass.
    Object of the present invention is to propose a furniture drive of the type mentioned, with an improved adaptation to different weights and / or different loading conditions of the movable furniture part is possible.
    This is achieved by the features of claim 1. Further advantageous embodiments of the invention are specified in the dependent claims.
    According to the invention, it is therefore provided that at least one second control contour with a second, deviating from the first torque curve, torque curve and a switching device are provided by the switching device, the at least one second control contour with the pressure piece can be brought into engagement, so that the pressure piece at a Movement of the actuating arm along the second actuating contour is movable.
    The switching device may for example comprise at least one manually or with a tool to be actuated switch, wherein at least one second actuating contour with a deviating from the first setting contour torque curve with the pressure piece can be brought into engagement by an actuation of the switch. The switch can be designed as a mechanical switch and / or as an electrical switch, which can be arranged on a housing of the furniture drive, on the furniture body or on the movable furniture part.
    According to one embodiment, it may be provided that the furniture drive in mounting position is mounted vertically movable limited by at least one spring element, so that the movable furniture part with a first weight and / or with a first load state a first altitude relative to the furniture body and with a relative to first weight higher second weight and / or occupies a second height relative to the first loading state higher load state, a second altitude relative to the furniture body, wherein the second altitude is lowered relative to the first altitude. It can be provided that the switching device in the second altitude, preferably automatically, can be triggered, so that the pressure piece is movable in a movement of the actuating arm along the second setting contour.
    The furniture drive can thus be mounted vertically movable relative to the furniture body via the at least one spring element, wherein the spring element is different compressible or extensible by a different weight of the movable furniture part and / or by a different loading state of the movable furniture part, wherein the switching device when exceeding a predetermined compression state or Dehnzustandes the spring element, preferably automatically, can be triggered and the pressure piece in a movement of the actuating arm along the second setting contour is movable.
    According to one embodiment, it may be provided that the switch of the switching device has a first position and a second position, wherein the first adjusting contour in the first position of the switch can be locked and in the second position of the switch can be unlocked. The at least one switch can be arranged to be movable relative to a housing of the furniture drive.
    According to one embodiment, it may be provided that that region of the second setting contour, which comes into contact with the pressure piece during a movement of the actuating arm, has a smaller radial distance with respect to the rotational axis of the actuating arm and / or a greater curvature than that region of the first actuating contour , which comes into contact with the pressure piece during a movement of the actuating arm.
    The inventive arrangement has a furniture drive of the type in question and a support structure for mounting the furniture drive on a furniture body. It can be provided that the support structure has a first carrier to be fastened to the furniture body and a relative to the first carrier, preferably in mounting position vertically, slidably mounted first carrier rail, wherein the furniture drive is mounted on the first carrier rail. It can be provided that the switch of the switching device is mounted on the first carrier.
    Further details and advantages of the present invention will be explained with reference to the following description of the figures. It shows or show:
    Fig. 1a, 1b two furniture with a furniture body and a furniture drive for
    Moving a movable furniture part in perspective views, wherein the movable furniture parts have a different weight,
    2a, 2b, another area of application of the furniture drive, by which a furniture part is mounted vertically movable relative to the furniture body between a raised closed position and a lowered open position,
    3 the furniture drive with a support structure for attachment to a furniture body,
    Fig. 4 of the furniture drive in a perspective view, wherein by the
    Switching device, the first setting contour is locked, so that the pressure piece is movable in a movement of the actuating arm along the first setting contour,
    Fig. 5 of the furniture drive in a perspective view, wherein by the
    Switching device, the first setting contour is unlocked, so that the pressure piece is movable in a movement of the actuating arm along the second setting contour,
    Fig. 6 of the furniture drive according to Figure 5 with a continued movement of the
    Pressure piece along the second control contour,
    7 the furniture drive with a further pivotal position of the actuating arm,
    8a-8c of the furniture drive in a first Flöhenlage relative to the furniture body and two enlarged detail views this,
    9a-9c of the furniture drive in a second, lowered Flöhenlage relative to the furniture body and two enlarged detail views this,
    Fig. 10a, 10b of the furniture drive in a side view, wherein the pressure piece on the one hand along the first control contour and on the other hand along the second control contour is movable.
    FIGS. 1 a and 1 b each show a piece of furniture 1 with a furniture body 2, wherein pieces of furniture 3 are movably supported by a furniture drive 4 relative to the furniture body 2. The furniture drive 4 each comprises a furniture body 2 to be fastened
    Housing 13 and a pivotable relative to the housing 13 actuating arm 6, so that the movable furniture parts 3 are each movable starting from a vertical closed position into a relative to the furniture body 2 raised position. The movable furniture part 3 in Fig. 1b has a larger area and / or a higher material thickness D2 and / or is formed of a heavier material than the movable furniture part 3 in Fig. 1a, so that the movable furniture part 3 in Fig. 1b overall a higher Has weight as the furniture part 3 shown in Fig. 1a with the lower material thickness D1. Due to the different weights and / or different loading conditions of the movable furniture parts 3, it is necessary for one and the same furniture drive 4 to apply a torque corresponding to the respective weight of the furniture parts 3 to the pivotable setting arm 6. By means of a switching device 9, not shown here, of the furniture drive 4, depending on the weight and / or loading state of the movable furniture part 3, at least two setting contours 24, 27 (FIG. 4) with different torque characteristics, preferably automatically, can be engaged. By this switching, for example, a first coarse adjustment of the force exerted on the actuator arm 6 torque, whereupon by a (usual provided) adjustment of the furniture drive 4, a fine adjustment of the force exerted on the actuator arm 6 torque can be made.
    2a and 2b show a further field of application of the furniture drive 4. In the exemplary embodiment shown, the furniture 1 comprises a furniture body 2 with an outer body 2a, wherein the outer body 2a is closed by a diaphragm 22. By the (not shown here) furniture drive 4, a movable furniture part 3 in the form of an inner body 3a is arranged vertically movable relative to the outer body 2a between a raised closed position and a lowered open position. The inner body 3a is designed to receive storage material and can be raised and lowered by a handle 8 relative to the outer body 2a in a vertically extending direction.
    Fig. 3 shows the furniture 1 according to Fig. 2a, wherein the outer body 2a and the outer body 2a concealing aperture 22 are not shown. The furniture drive 4 has a housing 13 with two mutually parallel housing parts 13a and 13b, between which one of a spring device 10 (preferably with at least one coil spring designed as a compression spring) acted upon actuating arm 6 is pivotally mounted about an axis of rotation 12. The furniture drive 4 with the housing parts 13a, 13b is fastened to a carrier rail 17, which is mounted so as to be movable in a height-adjustable manner relative to a carrier 16 to be fastened to the outer body 2a via spring elements 38 (FIG. 8c, 9c). By a switching device 9, which has at least one connected to the carrier 16 switch 18 in the illustrated embodiment, the furniture drive 4 is switched when exceeding a predetermined weight and / or loading state of the movable furniture part 3 in an operating mode with a modified torque curve. The pivotally mounted actuating arm 6 has a fastening device 15 for mounting the inner body 3a, wherein the inner body 3a is displaceably mounted in a vertically extending direction during a movement of the actuating arm 6 along a linear guide 21 to be fastened to the outer body 2a.
    On an opposite side wall of the outer body 2a, a second furniture drive 4a is arranged, which is identical to the first furniture drive 4 is formed. Also provided for attachment of the second furniture drive 4a support device 11 is the same. Components 13, 14, 15, etc. of the first furniture drive 4 and the support device 11 correspond to components 13a, 14a, 15a, etc. of the second furniture drive 4a and the support device 11. A pivoting movement of the actuating arm 6 of the first furniture drive 4 is via a second synchronization rod 20 with a pivoting movement of the actuating arm 6a of the second furniture drive 4a synchronized. The support structure 11 further comprises a second support 16a to be fastened to the outer body 2a and a second support rail 17a displaceably mounted relative to the second support 16a, the second furniture drive 4a being mounted on the second displaceable support rail 17a. A vertical movement of the first furniture drive 4 relative to the first carrier 16 is synchronized via a first synchronization rod 19 with a vertical movement of the second furniture drive 4a relative to the second carrier 16a.
    Fig. 4 shows the fixed to the support rail 17 furniture drive 4 in a perspective view. The carrier 16 is to be fastened to a side wall of the outer body 2a, the carrier rail 17 is mounted in a limited height movable relative to the stationary mounted carrier 16 together with the housing parts 13a, 13b of the furniture drive 4. Via a shaft 31, the respective height position of the furniture drive 4 relative to the carrier 16 on the first synchronization rod 19 (Fig. 3) transferable. The carrier rail 17 has a recess 23 for the passage of the switching device 9, so that the two switches 18 of the switching device 9 are in each case in communication with the outer carrier 16 to be mounted on the outer body 2a. Thus, the two switches 18 of the switching device 9 in the embodiment shown are arranged fixed relative to the outer body 2a. The two switches 18 each engage in guides 32 of their associated housing parts 13a, 13b and thereby lock each edge 29 of a first control contour 24 with a first predetermined torque curve. For transmitting the spring device 10 shown in Fig. 3 on the pivotable about the axis 12 actuating arm 6, a transmission mechanism 33 is provided, which comprises the first actuating contour 24 with the first torque curve and a loaded by the spring device 10 pressure piece 26, wherein the pressure piece 26 at a movement of the actuating arm 6 along the first adjusting contour 24 is movable. In the illustrated embodiment, the pressure piece 26 is formed as a rotatably mounted pressure roller which is unrolled along a movement of the actuating arm 6 along the first control contour 24. The first control contour 24 is pivotally mounted about an axis of rotation 25 and acted upon by a return spring 28 in the form of a tension spring with relatively low spring force, so that the first control contour 24 after unlocking (ie after the edge 29 of the first control contour 24 has been decoupled from the switch 18) can be pressed again in the direction of the locking position. In the figure shown, the actuator arm 6 is in a pivot position, which corresponds to the lowered position of the movable furniture part 3 (inner body 3a), the pressure piece 26 is movable in a pivoting of the actuating arm 6 along the first control contour 24. The actuating arm 6 has an adapter 30 for fastening the second synchronization rod 20, by means of which a pivoting movement of the actuating arm 6 with a pivoting movement of the opposite actuating arm 6a of the second furniture drive 4a (FIG. 3) can be synchronized. Below a predetermined weight and / or below a predetermined loading state of the movable furniture part 3 (inner body 3a), the pressure piece 26 is movably mounted on a movement of the actuating arm 6 along the first adjusting contour 24.
    Fig. 5 shows the furniture drive 4, which has been lowered by an additional loading of the inner body 3a relative to the fixed support 16. The housing parts 13a, 13b are each provided with guides 32, in which the switches 18 of the switching device 9 engage, thus enabling a vertical movement between the switches 18 and the housing 13 of the furniture drive 4. As a result of the lowering of the furniture drive 4 relative to the carrier 16, the edge 29 of the first setting contour 24 can be decoupled from the switches 18, wherein the first setting contour 24 is pushed counterclockwise by the pressure piece 26 loaded by the spring device 10 (FIG. 5) and the pressure piece 26 now with a second control contour 27, which has a different from the first control contour 24 torque curve, can be brought into engagement. While the first adjusting contour 24 is mounted movably relative to the axis of rotation 12 of the actuating arm 6, preferably about the axis of rotation 25, the second actuating contour 27 is designed to be stationary relative to the axis of rotation 12 of the actuating arm 6. It is preferably provided that the second adjusting contour 27 is formed integrally with the housing parts 13a, 13b of the furniture drive 4.
    Fig. 7 shows the furniture drive 4 with the actuating arm 6 in an upper end position, which corresponds to the closed position of the inner body 3a relative to the outer body 2a. The pressure piece 26 was thus moved starting from the Fig. 5 along the second control contour 27. The actuator arm 6 has a slot 35 along which the loaded by the spring device 10 pressure piece 26 is mounted limitedly displaceable.
    8a shows the two opposite furniture drives 4 and 4a, which are to be fastened via the support structure 11 to a furniture carcass 2 (FIG. 2b). The cover has been removed from the left (second) carrier rail 17a, so that a toothed wheel 36 arranged at a second end area of the first synchronization bar 19 can be seen. At the first end portion of the first synchronization rod 19 a (not apparent here) first gear 36 is arranged, wherein the first gear 36 and the second gear 36 are each rotatably connected to the first synchronization rod 19 and each cooperate with a toothing 37 of the carrier 16 a. In this way, the vertical movements of the carrier rails 17, 17a (and thus a vertical movement of the furniture drives 4, 4a) can be synchronized with each other via the first synchronization rod 19. 8b shows the area A circled in FIG. 8a in an enlarged view, wherein the first setting contour 24 is locked via the edge 29 to the switch 18 of the switching device 9, so that the pressure piece 26 moves along the first setting contour 24 when the actuating arm 6 moves is movable. FIG. 8c shows the region B circled in FIG. 8a in an enlarged view, the carrier rail 17a being supported by at least one spring element 38 relative to the carrier 16a, so that the carrier rail 17a (and thus the furniture drives 4, 4a) is limited relative to the carrier 16 is mounted vertically movable. The movable furniture part 3 assumes a first flea position relative to the furniture body 2 (and thus to the carriers 16, 16a) at a first weight and / or at a first loading state.
    FIG. 9a shows the two furniture drives 4, 4a in a position lowered relative to FIG. 8a relative to a furniture carcass 2. If the movable furniture part 3 (inner carcass 3a) is loaded by storage matter 39 (in the present case symbolized by a stack of plates), then the with the support rails 17, 17a associated furniture drives 4, 4a against the force of the spring element 38 (which is formed in the present case by two or more parallel compression springs) relative to the fixed supports 16, 16a lowered and thus take a second, lowered altitude relative to the furniture body 2 a. As can be seen from the detail view according to FIG. 9b, this additional load with stored material 39 also decouples the first setting contour 24 from the switch 18 connected to the carrier 16, so that the edge 29 of the first setting contour 24 is unlocked by the switch 18. The unlocked setting contour 24 is pivoted about the axis of rotation 25 by the pressure piece 26 loaded by the spring device 10 (FIG. 3), so that the pressure piece 26 can be moved along the second setting contour 27. It can be provided that the second control contour 27 has a relation to the first control contour 24 increased torque curve, so that the movable furniture part 3 is movable relative to the furniture body 2 even with an additional load through storage material 39 along the linear guide 21 in the raised end position.
    Fig. 10a shows the furniture drive 4, wherein the pressure member 26 is mounted by a movement of the actuating arm 6 about the axis of rotation 12 along the first convex control contour 24 movable. A perpendicular to a tangent 40 between the pressure piece 26 and the first adjusting contour 24 perpendicular results in a first lever arm a with respect to the axis of rotation 12 of the actuating arm.
    On the other hand, FIG. 10 b shows the first setting contour 24 decoupled from the switch 18, so that the pressure piece 26 can be moved by the movement of the setting arm 6 about the rotation axis 12 along the second convex setting contour 27. A perpendicular to a tangent 40a between pressure piece 26 and second setting contour 27 results in a second lever arm a with respect to the axis of rotation 12 of the actuating arm 6. From a direct comparison it can be seen that the second lever arm a of FIG. 10b longer than that in FIG 10a is. The respective torque results from force times lever arm (formula M = F * a), so that when using the second control contour 27 shown in FIG. 10b with the longer second lever arm a higher torque curve than when using the first control contour 24 shown in FIG. 10a results.
    Innsbruck, on April 28, 2016
    权利要求:
    Claims (15)
    [1]
    claims
    1. Furniture drive (4) for a relative to a furniture body (2) movably mounted furniture part (3) comprising: - at least one pivotally mounted actuating arm (6) for moving the movable furniture part (3), - a spring device (10) for applying force the actuating arm (6), a transmission mechanism (33) for transmitting a force of the spring device (10) to the actuating arm (6), wherein the transmission mechanism (33) has a first actuating contour (24) with a first torque curve and one of the spring device ( 10) loaded pressure piece (26), wherein the pressure piece (26) during a movement of the actuating arm (6) along the first control contour (24) is movable, characterized in that at least one second control contour (27) with a second, from the first Deviating torque curve, torque curve and a switching device (9) are provided, wherein by the switching device (9) the at least one second control contour (27) with the pressure piece (26) in Engagement can be brought, so that the pressure piece (26) during a movement of the actuating arm (6) along the second actuating contour (27) is movable.
    [2]
    2. Furniture drive according to claim 1, characterized in that the switching device (9) has at least one switch (18), wherein the switch (18) has a first position and a second position, wherein the first adjusting contour (24) in the first position the switch (18) lockable and in the second position of the switch (18) can be unlocked.
    [3]
    3. Furniture drive according to claim 2, characterized in that the first control contour (24) by a return spring (28) in the direction of the first position in which the first control contour (24) with the switch (18) is locked, is biased.
    [4]
    4. Furniture drive according to one of claims 1 to 3, characterized in that the first adjusting contour (24) about an axis of rotation (25) is pivotally mounted.
    [5]
    5. Furniture drive according to one of claims 1 to 4, characterized in that the second adjusting contour (27) relative to the axis of rotation (12) of the actuating arm (6) is fixed.
    [6]
    6. Furniture drive according to one of claims 1 to 5, characterized in that the furniture drive (4) in the mounting position relative to the furniture body (2) by at least one spring element (38) is mounted limited vertically movable, so that the movable furniture part (3) with a first weight and / or with a first loading state a first height position relative to the furniture body (2) and with a second weight higher relative to the first weight and / or with a second load level higher relative to the first loading level a second height position relative to the furniture body (2 ) occupies, wherein the second altitude is lowered relative to the first altitude.
    [7]
    7. Furniture drive according to claim 6, characterized in that the switching device (9) is triggered in the second altitude.
    [8]
    8. Furniture drive according to one of claims 1 to 7, characterized in that the switching device (9) is triggered manually and / or by a different weight and / or by a different loading state of the movable furniture part (3) is automatically triggered.
    [9]
    9. Arrangement with a furniture drive (4) according to one of claims 1 to 8 and with a support structure (11) for mounting the furniture drive (4) on a furniture body (2).
    [10]
    10. The arrangement according to claim 9, characterized in that the support structure (11) on a furniture body (2) to be fastened first carrier (16) and a relative to the first carrier (16), preferably in mounting position vertically, slidably mounted first carrier rail (17 ), wherein the furniture drive (4) is mounted on the first carrier rail (17).
    [11]
    11. Arrangement according to claim 10, characterized in that the switch (18) of the switching device (9) on the first carrier (16) is arranged.
    [12]
    12. Arrangement according to claim 10 or 11, characterized in that the support structure (11) on the furniture body (2) to be fastened second support (16a) and relative to the second support (16a), preferably vertically, slidably mounted second support rail (17a ), wherein a second furniture drive (4a) is mounted on the second carrier rail (17).
    [13]
    13. Arrangement according to claim 12, characterized in that a vertical movement of the first furniture drive (4) relative to the first carrier (16) with a vertical movement of the second furniture drive (4a) relative to the second carrier (16a) via a first synchronization rod (19) synchronized with each other are.
    [14]
    14. Arrangement according to claim 13, characterized in that the first synchronization rod (19) has a first end portion with a first gear (36) and a second end portion with a second gear (36), wherein the first gear (36) and the second Gear (36) each rotatably connected to the first synchronization rod (19), wherein the first gear (36) with a first toothing (37) of the first carrier (16) and the second gear (36) with a second toothing (37) the second carrier (16a) cooperates.
    [15]
    15. Arrangement according to one of claims 12 to 14, characterized in that a pivoting movement of the actuating arm (6) of the first furniture drive (4) with a pivoting movement of the actuating arm (6a) of the second furniture drive (4a) via a second synchronization rod (20) with each other is synchronizable. Innsbruck, on April 28, 2016
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    同族专利:
    公开号 | 公开日
    JP2019515162A|2019-06-06|
    CN109072652B|2020-08-28|
    EP3449076A1|2019-03-06|
    US20190048981A1|2019-02-14|
    US10995830B2|2021-05-04|
    AT518535B1|2017-11-15|
    JP6780016B2|2020-11-04|
    KR20180122024A|2018-11-09|
    WO2017185113A1|2017-11-02|
    CN109072652A|2018-12-21|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA50380/2016A|AT518535B1|2016-04-28|2016-04-28|furniture drive|ATA50380/2016A| AT518535B1|2016-04-28|2016-04-28|furniture drive|
    JP2018556371A| JP6780016B2|2016-04-28|2017-02-24|Furniture drive|
    EP17708152.8A| EP3449076A1|2016-04-28|2017-02-24|Furniture drive|
    KR1020187030883A| KR102101111B1|2016-04-28|2017-02-24|Furniture drive|
    PCT/AT2017/060045| WO2017185113A1|2016-04-28|2017-02-24|Furniture drive|
    CN201780025953.5A| CN109072652B|2016-04-28|2017-02-24|Furniture drive and assembly system for furniture|
    US16/161,219| US10995830B2|2016-04-28|2018-10-16|Furniture drive|
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