• 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:
    Drive device (1) for a movable furniture part (2), with a force-actuated ejection element (3) for ejecting the movable furniture part (2) from a closed position (SS) into an open position (OS) and a locking device (4) for locking the ejection element (3). 3) in a locking position (V), the locking device (4) having a control element (5) connected to the ejection element (3) and a slide track (6) for the control element (5), wherein the slide track (6) - outside a possibly existing detent recess (7) - partially different hard side wall portions (8, 9).
    公开号:AT515040A1
    申请号:T824/2013
    申请日:2013-10-25
    公开日:2015-05-15
    发明作者:
    申请人:Blum Gmbh Julius；
    IPC主号:
    专利说明:

    The invention relates to a drive device for a movable furniture part, comprising a force ejector element for ejecting the movable furniture part from a closed position into an open position and a locking device for locking the ejection element in a locking position, the locking device having a control element connected to the ejection element and a slide track for the control element. In addition, the invention relates to furniture with a furniture body, a furniture body movable furniture part and such a drive device.
    In the furniture fitting industry, various drive devices have been manufactured for many years to assist the opening and / or ploshing movement of the movable furniture part (drawer, flap, door). be carried out automatically. Particularly well-known are so-called touch-latch mechanisms, in which unlocking takes place by pressing on the movable furniture parts, after which the drive or ejection device opens the movable furniture part.
    Particularly suitable for such mechanisms lockable controls that are guided in a slide track. In most cases, these slide tracks are heart-shaped in this case or have a heart-curved portion in which the control element is held or locked in a locking position of the locking device. By overpressing the movable furniture part in a Überdrückstellung located behind the Schließsteliung then the control of this locking position (detent recess) is released, after which the kraftbeaufschlagte ejection element can move freely and ejects the movable furniture part in the opening direction.
    In addition to the purely mechanical or functional requirements for such drive devices, the demands on user-friendliness and ease of use have recently increased. An important aspect is also the noise development, which in many currently known
    Drive devices is quite high. This is due, among other things, to the rather powerful forces and also to the play between the moving components. Among other things, one source of noise development is the keystroke of the control in the scroll path, specifically sidewalls of the slide track.
    The object of the present invention is therefore to provide a drive device which is improved over the prior art. In particular, the noise development should be reduced.
    This is achieved by a drive device having the features of claim 1. Accordingly, the invention provides that the slide track-outside of a possibly present latching recess - partially differently has hard side wall portions. These different hard sidewall areas make it possible to design the slide track in such a way that where a particularly high noise development in the area of the slide track has been detected, the sidewall area is formed with a correspondingly different hardness or surface design.
    For this purpose, it may be particularly preferable for the slide track to have at least one hard sidewall region and at least one soft sidewall region. Thus, the soft sidewall region serves as a stop for the control in the most stressed areas. These areas are most prevalent where the tracking lane has a large lead function for the control. In other areas, where only a small guiding function is necessary - that is, where the control itself moves almost exactly along the path of the track without guidance - the sidewall area can be made hard.
    The entire slide track can be composed of different parts. It may also be present as a separate component of the drive device. However, it is particularly preferred that the slide track is formed in a carrier made of plastic, preferably made of polyamide-6, wherein the
    Sidewall areas are at least partially formed by the material of the wearer himself. Thus, the carrier itself forms essential parts of the slide track. Most preferably, the plastic of the carrier is an injection molded part. As an alternative to the production of polyamide-6, this support can also consist of comparable thermoplastics or partially crystalline thermoplastics. Also plastic mixtures are possible. In principle, two variants can be used for the differently hard formation of the sidewall regions. These two variants can also be mixed in a single slide track. According to the first variant, it is therefore provided that the material of the sidewall region itself is softer. This is, so to speak, a "mechanical". or "chemical" variant for creating a soft sidewall region. But there is also the possibility of "geometrical" generation of a softer sidewall area. The material itself does not have to be softer, but it is softened by a thinner sidewall formation and thus "soft" when the side member hits. educated.
    According to the first embodiment, it is preferably provided that the at least one, soft side wall portion of a rubber-elastic material, preferably of a thermoplastic elastomer, is formed. Most preferably, a thermoplastic polyurethane is used. Also material mixtures are possible. Particularly preferably, it is provided here that the at least one, soft side wall area is formed in the form of a support formed separately from the carrier. In other words, it can be provided that the at least one soft sidewall region has a hardness between 40 and 95 Shore A, preferably between 70 and 80 Shore A. In a test method based on DIN ISO 7619-1, a hardness of 78 Shore A was established for a thermoplastic polyurethane. This hardness is the mechanical resistance which a material opposes to the mechanical introduction of a harder specimen. In other words, this hardness is the mechanical resistance that the slide track opposes the mechanical stops of the control. For the second embodiment, it is preferably provided that the at least one, soft side wall region is thin-walled with a wall thickness of less than 0.6 mm, preferably between 0.5 and 0.3 mm. Due to this thinner side wall formation, the material itself is not softened, but this thin area gives way upon impact of the control and thereby reduces the noise. In order to make possible a simple production here, it is preferably provided that the at least one thin-walled, soft side wall region is formed integrally with the carrier.
    The support is basically made of a harder material than the supports. However, the hardness for this support can be better expressed by the modulus of elasticity than by a Shore value. It is therefore preferred that the support has a modulus of elasticity of between 1,000 and 20,000 MPa, preferably between 4,000 and 6,000 MPa. Preferably, the modulus of elasticity is 5,000 MPa. In itself, however, the support may have different hard areas. Basically, it should also be mentioned that the entire slide track various types and sizes of Elastic modulus or. May have hardening. Preferably, however, only two different types are provided, namely a hard area with hard sidewall areas, wherein in all these hard sidewall areas the modulus of elasticity is equal. Asezweites is provided a soft side wall portion, wherein in allSettenwandbereichen of a rubber-elastic material, the Shore hardness is the same size. In contrast, the thin-walled sidewall regions have the same modulus of elasticity as the hard sidewall regions, but are made resilient by their geometry.
    Depending on the precise configuration of the entire slide track, a wide variety of track areas may be provided with a soft sidewall area. As already indicated, however, it is preferably provided that the slide track comprises deflection areas and stop areas for the control element, wherein the at least one, soft side wall area is formed in these deflection areas or stop areas. These deflection areas or abutment areas are to be found especially where a high spring force from the control acts transversely on the side wall of the slide track. On the other hand, there are other areas in which the force on the control element acts substantially parallel to the side wall, so that at most frictional forces between control element and side wall occur. In these areas, it is not necessary to make the side wall particularly soft.
    According to a preferred embodiment of the present invention can be provided that the slide track has a detent recess, in which the control element in the locking position of the locking device is applied. Basically, of course, the slide track in this latching recess have a softer side wall portion. According to the invention, however, the track path outside this detent recess partially has different hard side wall areas.
    Furthermore, it can preferably be provided that the slide track for the control element has a latching section in the form of the latching recess, an overpressure section with a deflection bevel, an ejection section, a change section, a bearing section and a tensioning section. In the overpressure section and the ejection section, no high noise development is generally to be feared. However, these may occur in the interchangeable section - in which a change of control between the ejection section and the chuck section occurs. Even in a bearing section in which the control element is held in the free-running movable furniture part, noise may occur during the impact. Also in the tensioning section, this can be done by the curved formation of the slide track. Therefore, it is preferably provided that only the interchangeable portion, the bearing portion and the chuck portion at least partially have a soft sidewall portion. This is particularly advantageous because it is precisely in these portions that the deflecting portions abut the control member.
    In general, it can be provided that the ejection element is mounted linearverfahrbar on the carrier, wherein the ejection element is subjected to a force on the one hand on the carrier and on the other hand on the ejection element ejection force memory, preferably in the form of a tension spring. For a simple movement possibility of the control element, it is preferably provided that the control element, preferably a peg-shaped element, is arranged on a control lever which is mounted movably, preferably pivotally, on the ejection element.
    Furthermore, it is preferably provided that the locking device can be unlocked by overpressing the movable furniture part into an overpressure position located behind the closed position. Of course, a release by pulling the movable furniture part can be done. Preferably, however, it is provided that when pulling on the movable furniture part unlocking does not take place, but the movable furniture part can be easily pulled without unlocking the locking device in the opening direction.
    In order to enable not only an automatic opening movement, preferably, a retraction device, which is preferably damped by a damping device, is provided for pulling the movable furniture part from an open position in the closing direction into the closed position.
    Protection is also desired for a piece of furniture with a furniture body, a furniture part movably mounted on the furniture body and a drive device according to the invention. It can be provided that the drive device is assigned to the furniture body and acts on an arranged on the movable furniture part driver or directly on the movable furniture part. However, it is preferably provided that the drive device is associated with the movable furniture part and repels the furniture body or on a furniture-body-fixed member.
    Further details and advantages of the present invention will become more apparent from the following description of the figures with reference to the embodiments shown in the drawings. Show:
    1 schematically a furniture with movable furniture parts in different positions,
    2 and 3 a drive device in exploded views,
    Fig. 4 shows the carrier with the soft side wall portions forming
    Pads and
    5 to 11 are plan views and perspective views of the
    Control in different sections of the slide track.
    In Fig. 1, a furniture 17 is shown schematically consisting of a furniture body 18 and several movable furniture parts 2 (drawers). As essential components, a movable furniture part 2 has the drawer container 21 and the front panel 20. The movable furniture part 2 is movably supported by a pull-out guide 24 on the furniture body 18, wherein the pull-out guide 24 comprises a body rail 23, optionally a middle rail (not shown) and a load rail 22.
    At the very top of the movable furniture part 2 or at the drawer rail 22, the drive device 1 is attached via the carrier 10. The slide track 6 is formed in the carrier 10 and together with the control element 5 forms the locking device 4 for the ejection element 3. The ejection element 3 in turn can be coupled via the driver 19 to the carcass rail 23 or the furniture carcass 18. The top drawer is in an open position OS. At the same time, the ejection force accumulator 13 (in this case, a compression spring) is released and the ejection element 3 is not locked by the control element 5 in the detent region R of the slide track 6. Instead, the control element 5 is located in a region facing away from the latching region R.
    Now, if the movable furniture part 2 is moved inSchließrichtung SR from this open position OS (see second drawer from above), so is due to the manual pressure on the movable furniture part 2 by coupling the ejection element 3 with the driver 19 of the ejection force accumulator 13 tensioned, causing the control 5 in moves the catch area R. This is the locking device 4 in the locked position V. This is not apparent in this schematic drawing, but can be understood from the drawings below.
    As soon as this locking position V is reached, the retraction device 16, which is only schematically illustrated, together with the damping device 15, can move the movable furniture part 2 into the firing position SS (see third drawer from above). Also in this firing position SS, the locking device 4 is locked in the locking position V.
    Then, according to the fourth drawer, when manually pressed onto the movable furniture part 2 from above, the movable furniture part 2 passes into an overpressure position ÜS which lies behind the closing position SS, in which the unlocking of the locking device 4 takes place. As a result, the ejection force accumulator 13 can relax and the movable furniture part 2 is ejected in the opening direction OR, so that the open position OS according to the uppermost drawer is reached again.
    A concrete embodiment of a drive device 1 can be seen in the exploded views of FIGS. 2 and 3. Accordingly, the drive device 1 comprises the carrier 10 and the lid 26, wherein the slide track 6 is formed in both components. The carrier 10 and the cover 26 together form the housing of the drive device 1. In this housing or on the support 10, the ejection slide 3 is mounted linearly movable. The ejection element 3 is urged by the ejection force accumulator 13 (two tension springs). The ejection force accumulator 13 is connected via the spring base 33 on the one hand to the carrier 10 and on the other hand to the ejection element 3 via the spring base 34. At the ejection element 3, the control lever 4 is pivotably mounted via the rotation axis 29. At the ejection elementfemen end of this control lever 4, the pin-shaped or cylindrical control element 5 is arranged, said control element 5 is guided in the guide track 6. In the region of the ejection element, the guide roller 32 is also provided for the ejection element, the guide roller 32 being guided in the guide track 40 formed in the carrier 10 and in the cover 26. On the carrier 10, the latching damper 30 is rotatably mounted for the control element 5, which is held by the holder 31 on the carrier 10. Furthermore, a retraction device 16 is provided together with not shown retracting force accumulator, wherein the retraction device 16 is movably guided in the guide track 35. At this retraction device 16 and the catch lever 25 is pivotally mounted, via which a coupling takes place with the driver 19 not shown here. Furthermore, the components of a synchronizing device 27 are shown in FIGS. 2 and 3, via which a synchronization with a drive device 1 arranged on the opposite side of the furniture body 18 can take place. In addition, a Tiefenverstellrad28 is provided with which the relative position of the housing to the drawer rail 22bzw. can be adjusted to the movable furniture part 2.
    As well seen in Figs. 2 and 3, two supports 11 are arranged in the carrier 10, which mitzubilden the soft side wall portions 9 of the slide track 6. These supports 11 are in the carrier 10 z. Ö. positively and / or frictionally fastened, held or used. As can also be seen from Fig. 4, the major part of the slide track 6 is integrally formed with the carrier 10 or the carrier 10 forms the majority of the slide track 6. This carrier 10 is injection molded from a polyamide-6 and thus forms the hard side wall portions 8 of the cam track 6, but a soft sidewall region 9 can also be formed from this polyamide-6 or directly from the carrier 10, with the result that the geometry and a thin wall result in a softer stop for the control element 5.
    In Fig. 5, the essential portions of the slide track 6 are illustrated. The control element 5 rests in the latching recess 7 of the latching section R. In this area, a recess 37 is provided so that an interaction of the control element 5 with the latching damper 30 is possible. By pushing the movable furniture part 2 into the overpressure position ÜS, the control element 5 reaches the overpressure area Ü due to the deflection slope 12. In this overpressure area Ü, the ejection section A immediately adjoins, in which the movable furniture part 2 is ejected. After completion of the
    Ejecting operation, a change of the control element 5 from the ejection section AIr »the tensioning section S must take place. This is achieved via the change section W arranged essentially transversely to the ejection direction. In order to achieve a subsequent freewheel of the movable furniture part 2, amrastabschnittfemen end of the slide track 6 of the bearing portion L is formed. Andiesen the clamping section S connects. In turn, this clamping section S is followed by the locking section VA, which finally opens into the latching region R. Essential for the present invention is now that the slide track 6ausauhalb the detent recess 7 partially different hard Seitenwandbereiche8 and 9 has. Here, the soft side wall portion 9 serve to reduce a noise development by the impact of the control element 5 on the side walls of the slide track 6. For this purpose, the supports 11 arranged in the tensioning section Sund in the bearing section L are made of a softer material (thermoplastic polyurethane), which greatly reduces the noise development upon impact of the control element 5 on these soft side wall regions 9. The same effect applies to the soft side wall region 9 in the region of the transition section W, but this is not made of a different material, but thin-walled with a wall thickness D less than 0.6 mm, preferably between 0.5 mm and 0.3 mm is formed. However, not only by this thin wall thickness D is this area of the exchangeable portion W yieldingly formed, but it also requires the recesses 36, so that the total thin-walled side wall portion 9 can yield when the control element 5 hits. Thus, upon impact of the control element 5, the impact energy is not entirely converted into noise but also into deformation, whereby noise reduction is achieved. The element 38 and the recess 39 serve as deflectors for the control element 5 in a faulty operation.
    In Fig. 6 is a matching to Fig. 5 perspective view of the carrier 10mitsamt the control 5 can be seen, with the control 5 is in the locking portion R. In order not to create confusion in FIG. 5, it can be seen in FIG. 6 in which sections or areas of the slide track 6 the stop regions G and deflecting regions U are located. Exactly in these known for their high noise areas G and U therefore the soft sidewall regions 9 are provided.
    In Figs. 7 to 11, the path of the control element 5 is also illustrated by the slide track. As soon as the manual pressure on the movable furniture part 2 decreases, the ejection force memory 13 can move, causing the control element 5 to move into the ejection section A according to FIGS. 8a and 8b. At the end of this ejection section A, the control element 5 finally enters the change section W according to FIGS. 9a and 9b. The impact on the side wall of this exchangeable portion W is partially absorbed by the soft sidewall portion 9. Subsequently, the control element 5 reaches the bearing section L according to FIGS. 10a and 10b, often with rather great force, wherein the impact there is cushioned by the side wall region 9 consisting of a rubber-elastic material.
    Thus, in this stop region G, less noise is given. In the subsequent tightening of the ejection force accumulator 13 shown in FIG. 11, the control member 5 moves through the chucking portion $. In the deflection region U, a noise generation is thereby reduced by the soft elastic sidewall region 9 consisting of a rubber-elastic material.
    In summary, in the present invention, therefore, the sound attenuation in the heart curve (slide track 6) of a touch-latch mechanism (drive device 1). During the opening and closing movement of a furniture fitting with ejection function, load changes or switching points of the control pin (control 5) occur within the heart curve. All of these points in the heart curve produce more or less loud sounds. In order to prevent or reduce these, these points are executed in the heart curve by means of soft elements or damping elements (soft sidewall regions 9) or by specially executed wall thicknesses which allow yielding.
    权利要求:
    Claims (19)
    [1]
    A drive device (1) for a movable furniture part (2), comprising - a force-actuated ejection element (3) for ejecting the movable furniture part (2) from a closed position (SS) into an open position (OS) and - a locking device (4) for locking the ejection element (3) in a locking position (V), the locking device (4) having a control element (5) connected to the ejection element (3) and a slide track (6) for the control element (5), characterized in that the slide track ( 6) - outside of a possibly existing detent recess (7) - partially different hard sidewall regions (8,9).
    [2]
    A drive device according to claim 1, characterized in that the cam track (6) is formed in a carrier (10) made of plastic, preferably polyamide'6, the side wall portions (8, 9) being at least partially formed by the material of the carrier (10) itself are.
    [3]
    Drive device according to claim 1 or 2, characterized in that the slide track (6) comprises at least one hard side wall portion (8) and at least one soft side wall portion (9).
    [4]
    A drive device according to claim 3, characterized in that the at least one soft sidewall region (9) is formed of a rubbery elastic material, preferably of thermoplastic polyurethane.
    [5]
    5. Drive device according to claim 3 or 4, characterized in that the at least one soft side wall region (9) in the form of a support (10) formed separately support (11) is formed.
    [6]
    6. Drive device according to one of claims 3 to 5, characterized in that the at least one soft side wall region (9) has a hardness between 40 and 95 Shore A, preferably between 70 and 80 ShoreA.
    [7]
    Drive device according to claim 3, characterized in that the at least one soft side wall region (9) is thin-walled with a wall thickness (D) of less than 0.6 mm, preferably between 0.5 mm and 0.3 mm.
    [8]
    A drive device according to claim 7, characterized in that the at least one thin-walled, soft side wall region (9) is formed integrally with the carrier (10),
    [9]
    Drive device according to one of claims 2 to 8, characterized in that the carrier (10) has a modulus of elasticity between 1,000 and 20,000 MPa, preferably between 4,000 and 6,000 MPa.
    [10]
    10. Drive device according to one of claims 1 to 9, characterized in that the slide track (6) deflection (U) and stop areas (G) for the control (5), wherein in these Ummenkbereichen (U) or stop areas (G) of the at least one soft sidewall area (9) is formed.
    [11]
    Drive device according to one of Claims 1 to 10, characterized in that the slide track (6) has a detent recess (7) in which the control element (5) lies in the locking position (V) of the locking device (4)
    [12]
    12. Drive device according to one of claims 1 to 11, characterized in that the slide track (6) for the control (5) has a latching portion (R) in the form of the detent recess (7), an overpressure section (Ü) with a deflection bevel (12) Ejection portion (A), a change portion (W), a bearing portion (L) and a clamping portion (S).
    [13]
    A drive device according to claim 12, characterized in that only the change portion (W), the bearing portion (L) and the tensioning portion (S) at least partially have a soft sidewall portion (9).
    [14]
    14. Drive device according to one of claims 1 to 13, characterized in that the ejection element (3) on the carrier (10) is mounted linearverfahrbar.
    [15]
    Drive device according to one of claims 1 to 14, characterized in that the ejection element (3) is acted upon by an ejection force accumulator (13), preferably in the form of a tension spring, mounted on the carrier (10) and on the ejection element (3).
    [16]
    16. Drive device according to one of claims 1 to 15, characterized in that the, preferably peg-shaped, control element (5) on an ejection element (3) movable, preferably pivotable, mounted control lever (14) is arranged.
    [17]
    17. Drive device according to one of claims 1 to 16, characterized in that the locking device (4) by overpressing the movable furniture part (2) in a behind the closed position (SS) lying Überdrückstellung (ÜS) can be unlocked.
    [18]
    18. Drive device according to one of claims 1 to 17, characterized by a, preferably by a damping device (15) damped, retracting device (16) for pulling the movable furniture part (2) from an open position (OS) in the closing direction (SR) in the closed position (SS ).
    [19]
    19. Furniture (17) with a furniture body (18), a on the furniture body (18) movably mounted furniture part (2) and a drive device (1) according to one of claims 1 to 18.
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    同族专利:
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    CN111657690B|2019-03-06|2021-10-26|宁波方太厨具有限公司|Lifting drawer|
    AT522396B1|2019-03-20|2021-08-15|Blum Gmbh Julius|Drive device for a movable furniture part|
    US11122893B2|2019-07-01|2021-09-21|Slide Mei Yao International Co., Ltd.|Self-opening device|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA824/2013A|AT515040B1|2013-10-25|2013-10-25|Drive device for a movable furniture part|ATA824/2013A| AT515040B1|2013-10-25|2013-10-25|Drive device for a movable furniture part|
    PCT/AT2014/000189| WO2015058222A1|2013-10-25|2014-10-22|Drive device for a movable furniture part|
    EP14802585.1A| EP3060084B1|2013-10-25|2014-10-22|Drive device for a movable furniture part|
    ES14802585.1T| ES2686643T3|2013-10-25|2014-10-22|Drive device for a mobile furniture part|
    CN201480058058.XA| CN105658113B|2013-10-25|2014-10-22|Driving equipment for movable furniture parts|
    JP2016526127A| JP6378331B2|2013-10-25|2014-10-22|Drive unit for movable furniture parts|
    MYPI2016000701A| MY177425A|2013-10-25|2014-10-22|Drive device for a movable furniture part|
    EP17187729.3A| EP3266347B1|2013-10-25|2014-10-22|Drive device for a movable furniture part|
    US15/134,785| US10051962B2|2013-10-25|2016-04-21|Drive device for a movable furniture part|
    JP2018103228A| JP6734888B2|2013-10-25|2018-05-30|Drive for movable furniture|
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