• 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:
    Device (9) for moving a movable furniture part (3) in an opening direction (12), comprising: - a driver (21) acted upon by an ejection spring (10) in the opening direction (12), by means of which in the assembled state of the device (9) movable furniture part (3) in the opening direction (12) is movable, - a locking mechanism (37) for locking the driver (21) in a position in which the driver (21) acting on the discharge spring (10) is loaded, wherein the locking mechanism ( 37) has a by an energy storage (31) acted upon latch (14) which locks the driver (21) in a locking position, wherein the energy storage (319 the latch (14) in the direction (15) applied to an unlocking position, wherein in the locking position the driver (21) a movement of the bolt (14) is inhibited in the unlocking position by a mechanical contact between the bolt (14) and driver (21) and that the mechanical K ontakt between bolt (14) and driver (21) by a movement of the movable furniture part (3) against the opening direction (12) can be canceled.
    公开号:AT512919A4
    申请号:T1249/2012
    申请日:2012-11-28
    公开日:2013-12-15
    发明作者:
    申请人:Blum Gmbh Julius；
    IPC主号:
    专利说明:

    1 73087-21 / hn
    The present invention relates to an apparatus for moving a movable furniture member in an opening direction, comprising: a driver urged by an ejection spring in the opening direction, whereby the movable furniture member is movable in the opening direction in the mounting state of the apparatus, a locking mechanism for locking the driver in a position in which the ejection spring acting on the driver is loaded.
    Furthermore, the invention relates to a drawer extension with a device of the type to be described.
    Devices have long been known in the furniture fitting industry, by the movable furniture parts (especially drawers, doors or flaps) via a so-called touch-latch mechanism are releasably locked. These touch-latch systems are often used when the furniture fronts are designed to be handleless (for aesthetic reasons, for example). By manual pressure on the closed furniture part can be brought about by additional impressions (overpressures) unlocking, whereupon the movably mounted furniture part is ejected by the force of an ejection spring in an open position. A user can subsequently open the movable furniture part by engaging behind (even without the presence of a handle fitting) on. The locking or unlocking of the ejection spring can be brought about, for example, by specifying a movement of a locking element along a so-called turning loop or heart curve (2D heart curve, 3D curve). When using a heart-shaped curve or a turning loop, however, a sufficient distance for impressions must always be provided, so that the (positive) locking of the ejection spring can be canceled. For unlocking namely the locking element has to be moved away from the heart curve-shaped depression on the increase of the "heart", so that the ejection process can be completed. In the case of a drawer, therefore, provision must be made for providing a release path with a relatively large diaphragm gap, that is to say a sufficient distance between the rear side of the front panel and the front side of the furniture carcass. A heart curve also has the disadvantage that the locking and unlocking of the touch-latch system for a user often with jerky shocks and unwanted noise noticeable.
    A generic device is described for example in WO 2011/143682 A1 of the applicant. This document discloses a combined opening and closing device, wherein the ejection spring for ejecting the movable furniture part at the same time also serves as a pull-in spring, through which the movable furniture part can be pulled towards the end of the closing movement in the full closed position. The locking device comprises a locking element, which is locked in the closed position of the movable furniture part in a heart-curved portion of an unlocking path. Again, there is the disadvantage that both when retracting into the locking position and when unlocking a relatively large movement is required.
    The object of the invention is to propose a device of the type mentioned, wherein the triggering of the touch-latch latch (and thus the distance between the located in the closed position movable furniture part and the front side of the furniture body) can be reduced.
    This is achieved by the features of claim 1. Further advantageous embodiments of the invention are specified in the dependent subclaims.
    According to the invention, it is thus provided that the locking mechanism has an acted upon by a force accumulator latch which locks the driver in a locking position, wherein the force accumulator acts on the latch towards an unlocking position, wherein in the locking position of the driver movement of the bolt in the unlocked position is inhibited by a mechanical contact between the bolt and driver and that the mechanical contact between bolt and
    Carrier can be canceled by a movement of the movable furniture part against the opening direction.
    In other words, the driver is held in the locking position by mechanical interaction with the bolt, in particular by adhesion or frictional engagement. The mutual mobility between the bolt and driver is prevented as long as caused by the static friction counterforce is not exceeded. If the movable furniture part is moved in the closed position after a release action by pressing on the movable furniture part in the closing direction, the frictional engagement between the driver and bolt is released. The bolt is immediately pushed away from the driver by the force of an energy storage and moved to an unlocked position. The bolt of the locking device is released in this way the driver, wherein the furniture part can be ejected by the force of the relaxing ejection spring in an open position.
    The release of the bolt does not need a path of movement per se. Rather, it is sufficient if the mechanical contact is completely or partially canceled by pressure reduction against the ejection spring, so that the energy storage can move the latch in the unlocked position. The force acting on the latch force accumulator may for example be formed by a relatively weak spring. Preferably, it is provided that the force acting on the latch force accumulator is formed by a helical spring designed as a compression spring or a tension spring.
    By the device according to the invention, it is thus possible to realize a touch-latch mechanism without the compelling use of a heart-shaped curve or a turning loop. Due to the low triggering path (it is only the frictional connection between driver and latch lift) can also the aperture gap (ie, the gap between the front of the furniture and the front of the furniture body) can be significantly reduced, whereby the optical joint pattern can be improved. The device according to the invention is also distinguished
    by a gentle movement behavior, whereby jerky beats and disturbing noises can be significantly reduced.
    A particular advantage of the device according to the invention is also that the movable furniture part can also be opened by manual Zugausübung, without causing damage to the locking device. In contrast, in the case of a positive locking principle (for example in the case of a heart curve), an emergency release always has to be provided, which allows a non-destructive release of the lock when the movable furniture part is pulled manually.
    The driver acting on the ejection spring can be formed by a mechanical spring element or by a spring assembly with several helical springs. The term "ejection spring" also includes energy storage in the form of gas springs or in the form of magnetic springs.
    The drawer extension guide according to the invention is characterized by at least one device of the type described. The drawer pull-out guide comprises a carcass rail to be fastened to a furniture carcass and at least one pull-out rail which can be moved relative to the carcass rail, wherein the pull-out rail can be ejected into an open position from the push-pull position by the device according to the invention.
    Further details and advantages of the present invention will be explained with reference to the embodiments shown in the figures. It shows or show:
    1 is a perspective view of a cupboard-shaped furniture with movably mounted furniture parts in the form of drawers,
    2a, 2b a drawer extension guide in a perspective view and an enlarged detail illustration thereof,
    3a-3d of the effected by the ejection spring opening operation of the pull-out in time sequences,
    4a-4d, the closing process in successive steps,
    5 shows the Schubladenausziehfühmng with the device for ejecting a movably mounted furniture part in an exploded view,
    6a-6c highly schematic representations of the locking principle of the subject invention,
    Fig. 7a-7b possible embodiments for increasing the frictional engagement between driver and bolt using friction surfaces and macroscopic surface structures.
    Fig. 1 shows a piece of furniture 1 with a furniture body 2 and with movably mounted furniture parts 3 in the form of drawers which are movably mounted on Schubladenausziehführungen 4 relative to the furniture body 2. The drawer pull-out guide 4 comprises a cabinet rail 5 to be fastened to the furniture body 2 and at least one pull-out rail 6, which is displaceably mounted relative to the cabinet rail 5. Optionally, between the carcass rail 5 and the pull-out rail 6 (not shown here) center rail be slidably mounted. By an additional central rail, a full extension of the drawer 3 can be brought about, so that the rear wall 7 of the drawer 3 can be pulled out substantially up to the front side 8 of the furniture body 2. The drawer pull-out guide 4 further comprises a device 9, through which the pull-out rail 6 (and thus the movable furniture part 3) can be ejected from the closed position into an open position by the force of an ejection spring 10.
    Fig. 2a shows a drawer extension guide 4 in a perspective view. This has a cabinet body 5 to be fastened to the furniture body 2 and at least one relatively movable pull-out rail 6, which is to be connected to a drawer 3 via a device 9 with a locking device 37 (Fig. 2b) for releasably locking a discharge spring 10 is the drawer 3 from the closed end position in the opening direction 12 ejected. As can be seen from the enlarged detail illustration according to FIG. 2b, a base plate 11 is connected to the carcass rail 5. On this base plate 11, a support surface 13 is arranged, which is approximately at right angles to the • I · »
    Opening direction 12 runs. On the base plate 11, a bolt 14 is also mounted slidably limited, wherein the latch 14 is acted upon by a (shown in FIG. 5) power storage 31 in the direction 15 of an unlocking position. With the latch 14, a resilient or by a spring 32 (Fig. 5) loaded control part 16 is hingedly connected. Relative to the base plate 11, a slider 17 is mounted slidably limited, wherein the slider 17 during the closing movement of the movable furniture part 3, a damping device 18 is applied. The damping device 18 is provided for damping a closing movement of the movable furniture part 3. In the exemplary embodiment shown, the damping device 18 has a piston-cylinder unit, wherein the slide 17 is coupled to the piston rod 19 of the damping device 18. On the pull-out rail 6, on the other hand, a bearing plate 30 (FIG. 5) is fastened, to which a frame 20 is fastened with a movably mounted driver 21, which is acted upon by an ejection spring 10. The driver 21 is formed as, preferably double-armed, lever which is rotatably mounted about a pivot axis S. The ejection spring 10 is formed in the figure shown as a tension spring, so that the ejection spring 10 that lever arm of the driver on which the ejection spring 10 is hinged, in the direction of the spring base 22 pulls out. The other lever arm of the driver 21 is provided with a rotatably mounted discharge roller 23, which is pressed by the force of the ejection spring 10 to the support surface 13. In the illustrated figure, the locking position of the driver 21 is shown in which the discharge roller 23 on the one hand on the support surface 13, on the other hand on a - preferably obliquely to the opening direction 12 extending - clamping surface 24 of the bolt 14 frictionally applied. Due to the force of the ejection spring 10 and by the wedge-shaped design of the bolt 14, the support roller 23 is clamped in this locking position. If the movable furniture part 3 is moved in the closed position after a release action by pressing on the movable furniture part 3 in the closing direction, there is a release of the driver 21, as will be shown and described in the following figures.
    FIG. 3 a shows a position of the device 9 immediately after pressure has been exerted against the opening direction 12 on the movable furniture part 3 in the closed position. 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
    Friction between the discharge roller 23 and the latch 14 is released, wherein the bolt 14 was pushed away by the force of the energy accumulator 31 (Fig. 5) immediately by a predetermined distance in the direction 15 of the unlocking position and thus of the support roller 23. The support roller 23 and the associated carrier 21 are thus free, so that the ejection process can begin.
    Fig. 3b shows the unlocked driver 21, which was pivoted by the force of the relaxing ejection spring 10 about the pivot axis S in the counterclockwise direction, wherein the drain roller 23 is supported on the stationary support surface 13 and was moved in the direction of the pull-6.
    FIG. 3 c shows a further open position of the pull-out rail 6, wherein the feed roller 23 is moved past a control part 16 of the bolt 14. The control part 16 is resilient or acted upon by a spring 32 (FIG. 5), wherein the discharge roller 23 pivots the control part 16 counter to its resilient action in the direction of the arrow 25, so that the discharge roller 23 can pass the latch 14 practically unhindered. In the illustrated embodiment, the control part 16 is pivotally connected to the latch 14 via a vertically extending in mounting position axis of rotation 26.
    Fig. 3d shows a further open position of the pull-out rail 6, after the control part 16 has been reset after passage of the drain roller 23 by the force of a spring 32 (Fig. 5) against the direction of the arrow 25 back to the starting days and the discharge roller 23 of the driver 21 now released is. The pull-out rail 6 can thus be moved freely by a person over the remaining opening path.
    4a-4d, on the other hand, show the sequence of the closing movement of the pull-out rail 6 in the closing direction 28. When the movable furniture part 3 is closed, the discharge roller 23 approaches the control part 16 (FIG. 4a), the discharge roller 23 due to the operating position shown of the control part 16 can no longer follow the same path as in the opening movement. As shown in Fig. 4a, are the spring base 22, the pivot point 36 of the ejection spring 10 on the driver 21 and the pivot axis S of the driver 21 on a common, imaginary power line (F). The ejection spring 10 is thus completely relaxed in Fig. 4a and thus exerts no force on the driver 21. In this way, a force-free initiation of the closing process (without counterforce) is ensured without this being hindered by a prestressed driver 21. Upon contact of the discharge roller 23 with the control part 16, the entire latch 14 is first pressed against the force of the force accumulator 31 acting on the latch 14 (FIG. 5) in the direction 29 of the locking position, ie moved again in the direction of the support surface 13. By the retreat of the bolt 14, the impact force of the discharge roller 23 on the bolt 14 can also be reduced.
    The discharge roller 23 is due to the position of the control part 16 on a clamping portion 27 of the bolt 14 is directed (Fig. 4b), wherein the ejection spring 10 is stretched by the clamping portion 27 again. The previously powerless driver 21 is acted upon by the rolling of the discharge roller 23 on the clamping portion 27 with increasing biasing force. The clamping section 27 is formed in the embodiment shown by a bolt 14 formed on the control contour. The clamping portion 27 forms a variable lateral distance relative to the pivot axis S of the driver 21.
    It can be seen that the discharge roller 23 is now located at the highest elevation of the tensioning section 27 of the bolt 14, so that the output spring designed as a tension spring 10 in FIG. 4c is maximally tensioned (100% spring force). During the further closing movement in the closing direction 28, however, the advantage is exploited of using the ejection spring 10 not only for ejecting the movable furniture part 3 but also for retracting the movable furniture part 3 into the closed end position. As shown in Fig. 4d, the discharge roller 23 has already left in a further movement in the closing direction 28, the highest elevation of the clamping portion 27 behind, with the ejection spring 10 -ausgehend of the maximum clamping position of FIG. 4c - again partially relaxed and thus the move into the full closed position causes. The frame 20 connected to the pull-out rail 6 strikes the slidably mounted slide 17, which is coupled to the piston rod 19 of the damping device 18. The support roller 23 is thus moved again in the direction of the support surface 13, wherein the linear movement of the slider 17 (and thus the last closing movement of the movable furniture part 3) is dampened by a damping device located in the 18, preferably hydraulic, damping fluid. The bolt 14 is held in the locking position due to the contact pressure of the discharge roller 23 and therefore can not be pushed back by the pressurizing force accumulator 31 in the direction of the unlocking position. Starting from the position shown in Fig. 4d, the discharge roller 23 can be moved back into the locking position shown in Fig. 2b, in which the discharge roller 23 is frictionally held by cooperation with the latch 14 and the Abstützfiäche 13. The acting residual force of the ejection spring 10 in the locking position can be specified as about 70%.
    5 shows the drawer pull-out guide 4 with the carcass rail 5, the pull-out rail 6 and with the device 9 according to the invention in an exploded view. On the carcass rail 5, a base plate 11 is to be fastened, which carries the bolt 14 with the control part 16, the slider 17 and the damping device 18. The bolt 14 is acted upon by a force accumulator 31 designed as a compression spring in the unlocking position, wherein the latch 14 between the locking position in which the driver 21 is locked, and the unlocking position in which the driver 21 is unlocked, along a guide rail 33, preferably is mounted linearly, displaceably. On the base plate 11, a groove-shaped recess 38 for receiving the pressure spring formed as a force accumulator 31 is formed, wherein the compression spring is supported on the one hand on a arranged on the base plate 11 stopper and on the other hand on the bolt 14. The guideway 33 is formed on the base plate 11 and extends transversely to the opening direction 12. It can be provided that the guideway 33 relative to the opening direction 12 forms an angle (a) between 15 ° and 40 °. On the bolt 14, the control part 16 is mounted about a vertically extending pivot axis 26, which is biased by a spring 32 - preferably a leg spring. On the pull-out rail 6, on the other hand, a bearing plate 30 is to be fastened, which supports the catch 21 with the run-out roll 23 and also ft. Ft. The frame 20 with the ejection spring 10 bears. The ejection spring 10 is supported on the one hand on the spring base 22 of the frame 20, on the other hand, the ejection spring 10 engages a first lever arm of the driver 21 at a pivot point 36 at. At a second lever arm of the driver 21, the discharge roller 23 is rotatably mounted about a vertical axis of rotation, wherein the support roller 23 is supported when opening the pull-6 on a support surface 13 of the base plate 11. It should be noted that the described assemblies can also be arranged in reverse, i. the unit with the driver 21 and ejection spring 10 may be mounted on the carcass rail 5, while the support surface 13 can be arranged with the latch 14 on the pull-out rail 6 or on the movable furniture part 3 itself.
    Fig. 6a-6e show a highly schematic of the locking principle of the subject invention. The pull-out rail 6 of the drawer pull-out guide 4 can be acted upon by an ejection spring 10 in the direction of the opening direction 12. With the pull-6, a driver 21 is coupled, which rests in the locking position by the force of the ejection spring 10 on the bolt 14 frictionally. The latch 14 is biased by a force accumulator 31 in the direction 15 of the unlocked position. Now, if the movable furniture part 3 on the Ausziehschiene 6 starting from the closed position pressed by pressing in the closing direction 28 (Fig. 6b), the frictional engagement between the latch 14 and the driver 21 is released, whereupon the bolt 14 by the force of Force accumulator 31 is pulled in the direction 15 of the unlocking position and spaced from the driver 21. The driver 21 is thus released from the latch 14 so that the pull-out rail 6 can be ejected in the opening direction 12 by the force of the relaxing ejection spring 10 (FIG. 6c).
    Fig. 7a and Fig. 7b show two different Ausführungsbeispieie how the frictional force between the driver 21 and latch 14 can be increased in the locked position. To avoid unwanted tripping, the driver 21 and / or the latch 14 may be provided with a friction surface 35. According to FIG. 7b, the latch 14 in the locking position can communicate with the driver 21 via a macroscopic surface structure 34 of the latch 14 and / or of the driver 21. In this way, the static friction between bar 14 and • * * * *· * * * • * * * * * «« • «* *« * * »* β # · #« t · 9 · Ι · 9 «· · 11
    Can be increased driver 21 so that the movable furniture part 3 is not ejected at a slight pressure exercise. The macroscopic surface structure 34 may include knobs, teeth, grooves, elevations,
    Wells or a roughened surface structure, wherein the roughness of the surface structure 34 may be between 0.1 mm and 3 mm.
    Although the device 9 according to the invention has been shown and explained with reference to a drawer pull-out guide 4, it is immediately obvious that the device 9 can also be fitted with other furniture fittings (for example for actuators for moving furniture flaps, which are mounted so as to be highly movable relative to a furniture carcass or together Furniture hinges for moving doors or flaps). The device 9 may be formed as an inherent functional unit of the furniture fitting or alternatively as a detached from the furniture fitting, completed assembly. The driver 21 or an actuator coupled thereto can be led out of a housing of the assembly, wherein the driver 21 and the actuator can be acted upon by a movement of the movable furniture part 3.
    Innsbruck, on November 27, 2012
    权利要求:
    Claims (14)
    [1]
    • ι * * · ·· * ·

    1 73087-21 / hn claims: 1. Device (9) for moving a movable furniture part (3) in an opening direction (12), comprising: - a driver (21) acted upon by an ejection spring (10) in the opening direction (12), by the movable furniture part (3) in the opening direction (12) is movable in the assembled state of the device (9), - a locking mechanism (37) for locking the driver (21) in a position in which the discharge spring acting on the driver (21) (10), characterized in that the locking mechanism (37) comprises a latch (14) acted upon by a force store (31) which locks the catch (21) in a locking position, wherein the force store (31) locks the latch (14 ) in the direction (15) of an unlocking position, wherein in the locking position of the driver (21), a movement of the bolt (14) in the unlocking position by a mechanical contact between Riege L (14) and driver (21) is inhibited and that the mechanical contact between the bolt (14) and driver (21) by a movement of the movable furniture part (3) against the opening direction (12) can be canceled.
    [2]
    2. Apparatus according to claim 1, characterized in that in the locking position of the bolt (14) with the driver (21) via a mechanical frictional connection is in communication, whereby a movement of the bolt (14) is inhibited in the unlocking position.
    [3]
    3. A device according to claim 2, characterized in that in the locking position of the bolt (14) with the driver (21) via a macroscopic surface structure (34) of the bolt (14) and / or the driver (21) is in communication.
    [4]
    4. Device according to one of claims 1 to 3, characterized in that the driver (21) has a, preferably double-armed, lever which is rotatably mounted about a pivot axis (S).
    [5]
    5. Apparatus according to claim 4, characterized in that on the lever a discharge roller (23) is mounted, which in the locking position of the driver (21) at one approximately at right angles to the opening direction (12) extending supporting surface (13) can be supported.
    [6]
    6. Device according to one of claims 1 to 5, characterized in that the latch (14) between the locking position in which the driver (21) is locked, and the unlocking position in which the driver (21) is unlocked along a Guideway (33) is slidably mounted.
    [7]
    7. The device according to claim 6, characterized in that the guide track (33) extends transversely to the opening direction (12), wherein it is preferably provided that the guide track (33) relative to the opening direction (12) an angle (a) between 15 ° and 40 °.
    [8]
    8. Device according to one of claims 1 to 7, characterized in that the bolt (14) is wedge-shaped.
    [9]
    9. Device according to one of claims 1 to 8, characterized in that a resilient or by a spring (32) loaded control part (16) is provided with at least two operating positions, wherein in a first operating position of the control part (16) of the driver (21 ) is movable past the control part (16) during a movement in the opening direction (12) and in a second operating position of the control part (16) the driver (21) can be guided onto a clamping section (27) during a movement in the closing direction (28), over which the ejection spring (10) can be tensioned.
    [10]
    10. The device according to claim 9, characterized in that the control part (16) with the bolt (14) movable, preferably pivotally connected.
    [11]
    11.Vorrichtung according to claim 9 or 10, characterized in that the clamping portion (27) of a latch (14) arranged adjusting contour is formed.
    [12]
    12. Device according to one of claims 9 to 11, characterized in that the driver (21) during a movement of the movable furniture part (3) in the closing direction (28) the bolt (14) against the force of the force accumulator (31) in the direction ( 29) of the locking position moves.
    [13]
    13. The apparatus according to claim 12, characterized in that after the positioning of the bolt (14) in the locking position, the ejection spring (10) via the clamping portion (27), preferably by a on the driver (21) arranged discharge roller (23), which at Closing the movable furniture part (3) along the clamping section (27) unrolls, can be tensioned.
    [14]
    14.Die drawer pull-out (4) with a device (9) according to any one of claims 1 to 13. IS.Dschubladenausziehführung according to claim 14, characterized in that the drawer pull-out (4) to a furniture body (2) to be fastened cabinet rail (5) and at least one relative to the carcass rail (5) movable pull-out rail (6), wherein by the device (9) the pull-out rail (6), starting from the closed position in the opening direction (12) is ejected. Innsbruck, on November 27, 2012
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    同族专利:
    公开号 | 公开日
    EP2925190A1|2015-10-07|
    WO2014082106A1|2014-06-05|
    CN104822296B|2017-03-29|
    AT512919B1|2013-12-15|
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    MY173270A|2020-01-09|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA1249/2012A|AT512919B1|2012-11-28|2012-11-28|Device for moving a movable furniture part|ATA1249/2012A| AT512919B1|2012-11-28|2012-11-28|Device for moving a movable furniture part|
    MYPI2015001312A| MY173270A|2012-11-28|2013-10-14|Device for moving a movable furniture part|
    ES13798542.0T| ES2573789T3|2012-11-28|2013-10-14|Device to move a piece of mobile furniture|
    PCT/AT2013/000170| WO2014082106A1|2012-11-28|2013-10-14|Device for moving a movable furniture part|
    EP13798542.0A| EP2925190B1|2012-11-28|2013-10-14|Device for moving a movable furniture part|
    CN201380061807.XA| CN104822296B|2012-11-28|2013-10-14|For the device for moving displaceable furniture parts|
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