• 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:
    Damping device (7) for movable furniture parts (3), comprising: - a damper housing (10), - a fluid chamber (20) arranged in the damper housing (10), in which a piston (19) is displaceably mounted, - one with the piston (19 ) connected to the damper housing (10) is sealed with at least one seal (33), - a with the fluid chamber (20) in fluidly communicating connection compensation chamber (25), in the at least one deformable balancing body (26) is arranged to compensate for a change in volume due to the plunger (18) dipping into the fluid chamber (20), wherein the deformable compensating body (26) and the at least one seal (33) are integrally formed together.
    公开号:AT511847A4
    申请号:T1243/2011
    申请日:2011-08-31
    公开日:2013-03-15
    发明作者:
    申请人:Blum Gmbh Julius；
    IPC主号:
    专利说明:

    * 4 * 4 J * 70463-21 / hn
    The present invention relates to a damping device for movable furniture parts, comprising: a damper housing, a fluid chamber arranged in the damper housing, in which a piston is displaceably mounted, a ram connected to the piston, which seals with at least one seal relative to the damper housing - is a compensating chamber in fluid communication with the fluid chamber in which at least one deformable compensating body is arranged to compensate for a change in volume due to the plunger immersed in the fluid chamber.
    The damping effect of fluid dampers is based essentially on the flow resistance of a damping fluid present in a fluid chamber. When the piston is pressurized, it is displaced relative to the fluid chamber, the fluid flowing through flow passages through the piston or between the piston and fluid chamber from one cylinder chamber to another cylinder chamber. In order to prevent leakage of the liquid damping medium from the damper, the plunger or the piston rod is sealed with respect to the fluid chamber with a seal, wherein the plunger or the piston rod is slidable on this seal. The compensation chamber is provided for compensating the volume of the plunger or the piston rod entering or leaving the fluid chamber, so that destruction of the damping device is prevented by the increased pressure load of the retracting piston rod.
    The applicant's WO 2010/108203 A1 describes a furniture hinge with a damping device which has two fluid chambers connected via a channel. In a fluid chamber, a device with a displaceable piston or with a deformable piece of material is arranged, which is provided for volume compensation of the piston rod.
    In DE 199 01 517 A1 a door closer with a hydraulic piston-cylinder unit is described, wherein in one of the hydraulic chambers, a pressure equalization space forming compensating body is arranged. The compensating body is connected to a piston component and formed in a bag shape, wherein the retracting volume of the piston rod can be compensated by the compensation body present in the hydraulic space,
    In the prior art relatively many items are necessary for the damping device, which are additionally made very small and sensitive by the desired compact design of furniture dampers, whereby the assembly of the damper is relatively complex.
    Object of the present invention is therefore to provide a damping device of the type mentioned above while avoiding the above-mentioned disadvantages.
    This is achieved by the features of claim 1. Further advantageous embodiments are specified in the subclaims.
    According to the invention, it is thus provided that the deformable compensation body and the at least one seal are formed together in one piece.
    In this way, the number of required components of the damping device can be reduced, also results from the one-piece design of the compensation body with the seal in a more robust structure and is therefore less prone to failure.
    The material of the compensating body with the gasket formed thereon can be made of plastic, for example of a thermoplastic or of an elastomer or of a mixture of these materials, wherein it is preferably provided that this one-piece component is formed from rubber.
    The compensation body may be formed as, preferably filled with air, hollow body, which is formed fluid-tight. This has compared to conventional • ···············································································. Φ * «φ · φ
    Balancing bodies made of foam the advantage that the air contained in the foam can no longer dissolve in the damping medium (for example in Siiikonöl), whereby a linear volume compensation is ensured even after numerous damping strokes. According to a possible embodiment, the compensating body may be substantially bag-shaped, which in the rest position substantially completely completes the compensating chamber and is compressible during an attenuation stroke.
    According to a possible embodiment it can be provided that the compensation chamber is sealed with respect to the damper housing with a sealing body, wherein the compensation body, the seal and the sealing body are formed together in one piece. In this way, the number of required components for the damper can be reduced again.
    The furniture hinge according to the invention is characterized by at least one damping device of the type in question.
    Further details and advantages of the invention will be explained with reference to the embodiment shown in the drawings. It shows or show:
    Fig. 1 Fig. 2 Fig. 3a, 3b Fig. 4a, 4b Fig. 5a-5c Fig. 6 a cabinet-shaped furniture with a pivotally hinged door in a perspective view, a furniture hinge with a damping device in a perspective view, two different sectional views the damping device, wherein the piston is in a standby position, two different sectional views of the damping device, wherein the piston is in a depressed position, different views of the compensation body, which is integrally formed with the seal of the fluid chamber and with the seal of the compensation chamber, the Damping device and parts of the furniture hinge in an exploded view.
    Fig. 1 shows a furniture 1 in a perspective view, wherein a door 3 is mounted on furniture hinges 4 relative to a furniture body 2 pivotally. The Möbelschamiere 4 have in a known manner a hinge cup 5, which is pivotally connected to a body-side fitting part in the form of a hinge arm 6. The furniture hinges 4 each have a not shown here damping device 7 for damping a hinge movement, wherein it is preferably provided that the damping device 7 is mounted in or on the hinge cup 5. In particular, it can be provided that at least one damping device 7 is mounted on the outside of the hinge cup 5, wherein the hinge cup 5 together with at least one arranged damping device 7 together within a provided furniture standard hole of the door 3 are replaceable and arranged within an imaginary bore diameter of the bore.
    Fig. 2 shows a furniture hinge 4 in a perspective view, wherein the hinge cup 5 is connected via at least one articulated lever 8 pivotally connected to the hinge arm 6. The hinge cup 5 is provided with a mounting flange 9, wherein at least one damping device 7 is mounted with a damper housing 10 below the mounting flange 9 and on the outside of the hinge cup 5. The damping device 7 has a switch 11 to be adjusted by a person, by means of which the damping action of the damping device 7 can be completely deactivated, if desired. Within the hinge cup 5, a pivotally mounted actuating element 12 is provided, which can be acted upon by the toggle lever 8 toward the end of the closing movement of the hinge 4 and can be pressed by the latter in the direction of the hinge cup bottom. This last closing movement can be damped by the intended damping device 7. The actuating element 12 is preferably pivotably mounted about an axis parallel to the axis of rotation 13 axis.
    Fig. 3a and Fig. 3b show the damping device 7 in two different perspective sectional views. Visible is the actuating element 12, which is rotatably mounted about a pivot axis 14 relative to the hinge cup 5 • 00 • 00
    ** 0000 00 • 0 0 00 Φ 000 * ♦ 00 .s *: and which can be acted upon by the hinge lever 8 (FIG. A pivotally mounted about the axis of rotation 15 lever 16 is coupled for movement with the actuating element 12, so that therefore the lever 16 is always moved with a movement of the actuating element 12. The lever 16 has a lever arm 17 which rests against a plunger 18 (or on a piston rod). The plunger 18 is connected to a piston 19 which is slidably mounted in a fluid chamber 20 of the damper housing 10. By means of a return spring 21 arranged in the fluid chamber 20, the plunger 18 (and thus the piston 19) can be restored to a standby position provided for the next damping stroke after the damping stroke has been completed. In FIGS. 3a and 3b, the piston 19 is in such a ready position. The fluid chamber 20 is filled with a hydraulic damping fluid, which in a displacement of the piston 19 in the direction of the bottom 22 of the fluid chamber 20 through a gap which remains between the piston 19 and the inner wall 23 (Fig. 3b) of the fluid chamber 20, the side of the Flow piston 19 and flow through a channel 24 (Fig. 3b) in a compensation chamber 25 in which a deformable balancing body 26 is mounted. This compensating body 26 serves to compensate the volume of the plunger 18 entering the fluid chamber 20. As is clearly apparent from FIG. 3a, the compensating body 26 is substantially bag-shaped in the rest position and fills the compensating chamber 25 substantially completely. The compensating body 26 is filled with air and during the damping stroke - that is, when the plunger 18 is moved in the direction of the bottom 22 of the fluid chamber 20 - elastically deformable by passing into the compensation chamber 26 liquid volume, 10 air can escape through an opening 27 of the damper housing , When the plunger 18 is moved back to the standby position by the force of the return spring 21, the damping fluid in the compensation chamber 25 can flow back into the fluid chamber 20 through the reduced pressure and the compensation body 26 can pass through the air flowing through the opening 27 again take the bag-shaped shape shown in Fig. 3a. Furthermore, an overload protection 28 is provided, through which above a threshold value of pressurization on the plunger 18 at least one overload opening 29 between the fluid chamber 20 and the
    Compensating chamber 25 can be opened. The overload protection device 28 comprises a ball 31, which is prestressed by a spring 30 and which releases the overload opening 29 when a predetermined fluid pressure is exceeded, so that the damping fluid can flow over from the fluid chamber 20 into the compensation chamber 25 when overloaded. When falling below the predetermined fluid pressure, however, the Übertastöffnung 29 is closed by the spring-loaded ball 31 again.
    Essential is a seal 33 which seals the plunger 18 against the damper housing 10 and which is formed integrally with the balancing body 26. In the exemplary embodiment shown, it is additionally provided that the sealing body 34, which seals the compensation chamber 25 with respect to the damper housing 10, is formed integrally with the seal 33 and the compensation body 26.
    3b shows the damping device 7 according to FIG. 3b in a different sectional view, wherein the gap remaining between the piston 19 and the inner wall 23 of the fluid chamber 20 can be seen, through which the damping fluid can flow from one piston side to the other. The inner wall 23 of the fluid chamber 20 may have, in order to influence the damping effect, grooves which have a tapering flow cross section in the direction of the bottom 22, as a result of which an adaptive damping can be brought about. To recognize the switch 11 for deactivating the damping function and at least one resiliently formed locking element 32 for - preferably detachable - attachment of the damping device 7 on the hinge cup 5. To achieve a particularly compact damping device 7 can be provided that the fluid chamber 20 has a first longitudinal axis and that the compensation chamber 25 has a second longitudinal axis, the first longitudinal axis of the fluid chamber 20 and the second longitudinal axis of the compensation chamber 25 extending substantially parallel to one another.
    Fig. 4a and Fig. 4b show two different sectional views of the damping device 7, wherein the piston 19 is near the rear end position. By a pivoting movement of the actuating element 12 and the lever 16 is rotated, the lever end 17 pushes the plunger 18 (and thus the piston 19) in the fluid chamber 20. The displaced damping fluid can then - according to the drawn arrow in Fig. 4b - from the high pressure side (H) laterally past the piston 19 to the low pressure side (L) and through the channel 24 into the compensation chamber 25, whereby the compensation body 26 deformed and thus the volume of the submerged plunger 18 is compensated. The displaced in the balancing body 26 air can flow out of the opening 27 (Fig. 4a). After completion of the damping stroke, the return spring 21, the piston 19 reset again, the damping fluid can flow back from the compensation chamber 25 back into the fluid chamber 20 and the compensating body 26 by flowing air through the opening 27 back to the original shape by the resulting negative pressure (Fig. 3a) can take. The channel 24, starting from that end region of the fluid chamber 20, which faces away from the bottom 22 of the fluid chamber 20, lead to the compensation chamber 25. The channel 24 then opens into that end region of the compensation chamber 25, which faces away from the bottom 36 of the compensation chamber 25 a. The advantage of the outgoing from the low pressure side (L) channel 24 is its small length to the compensation chamber 25, whereby the risk of leakage is largely excluded. In addition, the compensating body 26 is deformable defined due to the application of the low pressure side (L) and can thus adapt to the prevailing fluid pressure improved.
    Fig. 5a-5c show the balancing body 26 in different representations. Fig. 5a shows the balancing body 26 in the rest position, which is formed bag-shaped in this operating position. The compensation body 26 is formed together with the seal 33 (which seals the plunger 18 relative to the damper housing 10) and the seal body 34 (which seals the compensation chamber 25 with respect to the damper housing 10) as a common, one-piece assembly. FIG. 5 b shows the compensating body 26 in the compressed state, while FIG. 5 c visualizes a sectional view of the hollow-shaped compensating body 26, the sealing body 34 and the seal 33.
    FIG. 6 shows an exploded view of the damping device 7, the fluid chamber 20 and the compensation chamber 25, which runs laterally parallel thereto, being formed in the damper housing 10. Recognizable is the actuating element 12, which is rotationally fixed in the mounting position with the lever 16 in conjunction. The plunger 18 is connected to the piston 19, wherein the plunger 18 is sealed relative to the damper housing 10 by means of the seal 33, which is formed integrally with the sealing body 34 of the compensation chamber 25 and the elastically compressible balancing body 26. The piston-remote end of the plunger 18 and the piston rod is led out in the mounting position of the fluid chamber 20 and protrudes into a closure member 35 inside.
    The present invention is not limited to the embodiment shown but encompasses any variations and technical equivalents that may fall within the scope of the following claims. Also, the location information chosen in the description, such as top, bottom, side, etc., related to the immediately described or illustrated figure and are mutatis mutandis transferred to the new location in a change in position. The compensation chamber 25 is preferably separate from the fluid chamber 20, but may also be integrated into the fluid chamber 20. The piston 19 can also be provided with at least one opening through which the damping fluid between the high-pressure side (H) and low-pressure side (L) can flow through the piston 19.
    Innsbruck, on 30, August 2011
    权利要求:
    Claims (15)
    [1]


    Damping device (7) for movable furniture parts (3), comprising: - a damper housing (10), - in the damper housing (10) arranged fluid chamber (20) in which a piston (19) slidably mounted is, - a plunger (18) connected to the piston (19), which is sealed with respect to the damper housing (10) with at least one seal (33), - a balancing chamber (25) in fluid communication with the fluid chamber (20), in which at least one deformable compensating body (26) is arranged to compensate for a change in volume due to the plunger (18) dipping into the fluid chamber (20), characterized in that the deformable compensating body (26) and the at least one seal (33) are formed integrally together are.
    [2]
    2. Damping device according to claim 1, characterized in that the compensating body (26) as, preferably filled with air, hollow body is formed.
    [3]
    3. Damping device according to claim 1 or 2, characterized in that the compensating body (26) is formed at least partially substantially bag-shaped.
    [4]
    4. Damping device according to one of claims 1 to 3, characterized in that the compensating body (26) in the rest position, the compensation chamber (25) substantially completely fills and is compressible at a damping stroke.
    [5]
    5. Damping device according to one of claims 1 to 4, characterized in that the damper housing (10) has an opening (27) through which air in the compensating body (26) flow out and through which air in a provision of the piston (19) in the compensation body (26) can flow.
    [6]
    6. Damping device according to one of claims 1 to 5, characterized in that the fluid chamber (20) has a first longitudinal axis and that the compensation chamber (25) has a second longitudinal axis, wherein the first longitudinal axis of the fluid chamber (20) and the second longitudinal axis of the compensation chamber (25) are substantially parallel to each other.
    [7]
    7. Damping device according to one of claims 1 to 6, characterized in that the compensation chamber (25) relative to the damper housing (10) with a sealing body (34) is sealed, wherein the balancing body (26), the seal (33) and the sealing body (34) are formed integrally together.
    [8]
    8. Damping device according to one of claims 1 to 7, characterized in that in the fluid chamber (20), a return spring (21) is arranged, by which the piston (19) after completion of the damping stroke is restored to a ready for the next damping stroke ready position ,
    [9]
    9. Damping device according to one of claims 1 to 8, characterized in that between the piston (19) and the inner wall (23) of the fluid chamber (20) remains a gap through which flows during the damping stroke, the damping fluid on the piston (19) laterally.
    [10]
    10. Damping device according to one of claims 1 to 9, characterized in that an overload protection (28) is provided, by which above a threshold value of a pressurization on the plunger (18) at least one overload opening (29) between the fluid chamber (20) and the Compensating chamber (25) can be opened. • «Η Η # # # # # # 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 I I
    [11]
    11. Damping device (7) with a plunger (18) arranged in a fluid chamber (20) and with a compensating chamber (25) for compensating a change in volume due to the plunger (18) dipping into the fluid chamber (20). , in particular according to one of claims 1 to 10, characterized in that the fluid chamber (20) and the compensation chamber (25) via at least one channel (24) are interconnected, wherein the channel (24) starting from that end region of the fluid chamber (20 ), which faces away from the bottom (22) of the fluid chamber (20), leads to the compensation chamber (25).
    [12]
    12. Damping device according to claim 11, characterized in that the channel (24) in those end region of the compensation chamber (25), which faces away from the bottom (36) of the compensation chamber (25) opens, opens.
    [13]
    13. Furniture hinge (4) with at least one damping device (7) for damping a hinge movement according to one of claims 1 to 12.
    [14]
    14. Furniture hinge according to claim 13, characterized in that the furniture hinge (4) has a hinge cup (5) and a hingedly connected body-side stop member (6) for attachment to the respective furniture parts (2, 3), wherein the damping device (7). is mounted on or in the hinge cup (5).
    [15]
    15. Furniture hinge according to claim 14, characterized in that the plunger (18) of the damping device (7) during a hinge movement from the stop member (6) or by a force-coupled with the hinge movement actuator (12) is acted upon bar, whereby the piston (19). in the fluid chamber (20) is pressed. Innsbruck, 30th August 2011
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    同族专利:
    公开号 | 公开日
    US8991010B2|2015-03-31|
    KR101693409B1|2017-01-06|
    AT511847B1|2013-03-15|
    JP2014527584A|2014-10-16|
    CN103946470B|2016-01-13|
    KR20140066995A|2014-06-03|
    EP2751364A1|2014-07-09|
    SI2751364T1|2015-04-30|
    EP2751364B1|2014-12-03|
    JP5860963B2|2016-02-16|
    US20140165333A1|2014-06-19|
    CN103946470A|2014-07-23|
    ES2531589T3|2015-03-17|
    WO2013029068A1|2013-03-07|
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    法律状态:
    2018-04-15| MM01| Lapse because of not paying annual fees|Effective date: 20170831 |
    优先权:
    申请号 | 申请日 | 专利标题
    ATA1243/2011A|AT511847B1|2011-08-31|2011-08-31|DAMPING DEVICE FOR MOVABLE FURNITURE PARTS|ATA1243/2011A| AT511847B1|2011-08-31|2011-08-31|DAMPING DEVICE FOR MOVABLE FURNITURE PARTS|
    EP12756063.9A| EP2751364B1|2011-08-31|2012-07-13|Damping device for movable furniture parts|
    CN201280042174.3A| CN103946470B|2011-08-31|2012-07-13|For the buffer of movable furniture parts|
    JP2014527429A| JP5860963B2|2011-08-31|2012-07-13|Braking device for movable furniture parts|
    PCT/AT2012/000187| WO2013029068A1|2011-08-31|2012-07-13|Damping device for movable furniture parts|
    SI201230152T| SI2751364T1|2011-08-31|2012-07-13|Damping device for movable furniture parts|
    KR1020147003414A| KR101693409B1|2011-08-31|2012-07-13|Damping device for moveable furniture parts|
    ES12756063.9T| ES2531589T3|2011-08-31|2012-07-13|Damping device for moving furniture parts|
    US14/184,910| US8991010B2|2011-08-31|2014-02-20|Damping device for movable furniture parts|
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