EP1707723B1 - Damping device for displaceable furniture parts - Google Patents

Damping device for displaceable furniture parts Download PDF

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Publication number
EP1707723B1
EP1707723B1 EP06004556A EP06004556A EP1707723B1 EP 1707723 B1 EP1707723 B1 EP 1707723B1 EP 06004556 A EP06004556 A EP 06004556A EP 06004556 A EP06004556 A EP 06004556A EP 1707723 B1 EP1707723 B1 EP 1707723B1
Authority
EP
European Patent Office
Prior art keywords
housing
cylinder
damping device
stop
piston rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP06004556A
Other languages
German (de)
French (fr)
Other versions
EP1707723A8 (en
EP1707723A3 (en
EP1707723A2 (en
Inventor
Andreas Holzapfel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Julius Blum GmbH
Original Assignee
Julius Blum GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Julius Blum GmbH filed Critical Julius Blum GmbH
Priority to SI200631236T priority Critical patent/SI1707723T1/en
Priority to EP08018790A priority patent/EP2017421B1/en
Priority to DE202006019428U priority patent/DE202006019428U1/en
Publication of EP1707723A2 publication Critical patent/EP1707723A2/en
Publication of EP1707723A8 publication Critical patent/EP1707723A8/en
Publication of EP1707723A3 publication Critical patent/EP1707723A3/en
Application granted granted Critical
Publication of EP1707723B1 publication Critical patent/EP1707723B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
    • E05F5/10—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with piston brakes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/21—Brakes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/252—Type of friction
    • E05Y2201/254—Fluid or viscous friction
    • E05Y2201/256—Fluid or viscous friction with pistons or vanes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/262—Type of motion, e.g. braking
    • E05Y2201/264—Type of motion, e.g. braking linear
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/638—Cams; Ramps
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/10—Adjustable
    • E05Y2600/12—Adjustable by manual operation
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/10—Adjustable
    • E05Y2600/30—Adjustment motion
    • E05Y2600/31—Linear motion
    • E05Y2600/312—Horizontal motion
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/26—Form or shape
    • E05Y2800/268—Form or shape cylindrical; disc-shaped; circular
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets

Definitions

  • the present invention relates to a damping device for movable furniture parts with a housing and a cylinder arranged in the housing, in which a piston is slidably mounted with a piston rod, wherein the housing is mounted at least one gear, via which the cylinder and / or a stop is adjustable relative to the housing for the piston rod, wherein a part of the transmission is formed by an adjustable actuating element, wherein the transmission converts a rotational movement of the actuating element into a linear movement of the cylinder and / or a stop for the piston rod.
  • damping devices are already known and serve to reduce the impact sounds and mechanical stresses occurring during the swinging closing of movable furniture parts, such as doors or drawers.
  • Known damping devices are based on mean values, i. tuned to middle weights of doors or drawers. To optimally adapt already mounted damping devices to the furniture or to be damped movable furniture parts, an individual adaptation is desirable.
  • Adjustable damping devices with a linear damper are for example in the EP 1 375 797 A1 , in the AT 54 29 U1 , in the DE 199 31 362 A1 as well as in the DE 201 11 355 U1 described.
  • a damper device in which the position of a cylinder arranged in a housing, by means of a head screw mounted on the housing screw, the head of the rotational movement of the acting as an actuator screw in a linear motion of the cylinder, is changed.
  • the DE 201 11 455 U1 Damping devices are described in which the cylinder is pivoted or slid transversely through an actuator disposed at the head end or laterally on the housing.
  • Object of the present invention is to improve the flexibility and applicability of the generic damping device.
  • actuating element - relative to the longitudinal axis of the cylinder - is rotatably mounted laterally on the housing and a, transmission is used that comprises at least two movably mounted parts.
  • the damping device can be ideally adapted to the respective doors, flaps or drawers, since the cylinder is adjustable in relation to the housing, so that the point of impact of the movable furniture part is precisely adjustable.
  • the characteristic curve or the damping characteristic of the damping device can thus be influenced in a targeted manner, since an adaptation to the different weights of the movable furniture parts and to the different forces of hinges or catching devices can take place.
  • An embodiment of the invention provides that a part of the transmission is formed by the actuating element and another part of the stop.
  • a preferred embodiment of the invention provides that the transmission has at least one worm.
  • the configuration may be made such that the worm has at least one tooth or at least one preferably spiral thread.
  • the screw is designed to be more continuous. It is advantageously provided in this context that the stop is formed by the screw.
  • the transmission is designed as a preferably self-locking worm gear.
  • the gear In order to move the worm in the axial direction of the housing, it may be favorable if the gear has at least one worm wheel. In this case, the configuration may be made such that the actuating element is formed by the worm wheel.
  • the worm gear can be realized with different gear ratios.
  • the embodiment with a worm gear has the advantage that in addition to a precise adjustment also a backlash or play-free adjustment is provided.
  • the stop is cup-shaped.
  • the supported in the cup-shaped stop and / or anchored piston rod can thereby find a stable and slip-proof recording. It may be advantageous if the stop has a recess which is provided for receiving the piston rod, preferably for the free end thereof.
  • the stop has at least one, preferably annular design, limiting element which cooperates in an end position, preferably in the inner end position of the stop relative to the housing with a arranged or formed on the housing counter-stop and in a further position Can be disengaged from the counter-attack. This will be prevents the stop from being moved too far out of the housing and possibly out of engagement with the gear.
  • the cylinder is formed in two parts, wherein the piston receiving the inner cylinder is surrounded by a slipped sleeve.
  • the sleeve can be designed as a slider, which offers the movable furniture part a larger and thus secure contact surface as the cylinder itself.
  • an adjusting element is arranged in the form of a screw which is movably mounted in the axial direction of the housing.
  • a possible embodiment of the invention provides that a first projection is arranged or formed on the inner cylinder or on the sleeve, which in a position with a second projection arranged or formed on the housing in a position, preferably in the outer end position of the cylinder and / or the sleeve cooperates relative to the housing, and in a further position from the second projection can be brought out of engagement.
  • This can not only prevent the cylinder from being moved too far out of the housing. Rather, the cylinder can be supported in the outer end position, so that upon actuation of the transmission, a further axial displacement of the cylinder is prevented and thereby the position of the piston or the piston rod can be varied relative to the cylinder.
  • the damper itself can be carried out in the usual way as a fluid damper, which can be filled with a working fluid, such as oil or air. It may be advantageous to provide in addition to the fluid damping and a power storage, preferably a spring in the cylinder.
  • the damping device comprises a housing and a cylinder arranged in the housing, wherein in the cylinder a piston is slidably mounted with a piston rod, provides that at least one adjusting device is mounted on the housing, via which a stop for the Piston rod is movable relative to the housing.
  • the damping device has a housing and a cylinder arranged in the housing, wherein a piston with a piston rod is slidably mounted in the cylinder, provides that a first adjusting device is provided for adjusting the cylinder relative to the housing, and a separate second adjustment is arranged for adjusting a stop for the piston rod.
  • the first adjusting device is preferably formed by a worm gear, whereby the position of the cylinder is variable relative to the housing.
  • the second adjusting device is formed by a screw, by means of which the position of the piston rod relative to the cylinder is variable.
  • the screw is preferably supported on an end face of the housing or the stop and that the screw outside the housing is actuated.
  • an exemplary embodiment of the invention provides that the housing has at least one, preferably two, mounting flange (s) which can be fastened for attachment to a furniture and / or a movable furniture part thereof.
  • Fig. 1a shows an exploded view of an embodiment of the damping device 1 according to the invention
  • Fig. 1b shows the damping device 1 in the assembled state.
  • the damping device 1 comprises a housing 2, in which a cylinder 3 is slidably mounted with the piston rod 5.
  • a gear 6 is provided, which is designed in the illustrated embodiment as a worm gear.
  • the gear 6 comprises a displaceable in the axial direction of the housing 2 stop 7, which is formed by the screw 14.
  • the actuating element 9 is provided in the form of a worm wheel, which is preferably actuated by means of a screwdriver.
  • the actuating element 9 is - relative to the longitudinal axis of the cylinder 3 - laterally rotatably mounted on the housing 2. It is advantageously provided that the axis of rotation of the actuating element 9 extends transversely, preferably substantially at an angle of 90 °, to the longitudinal axis of the cylinder 3. This ensures that the actuating element 9 is accessible from the outside in a housing 2 with a circular, oval or polygonal cross-section on the lateral surface, with an easy accessibility of the actuating element 9 is enabled at a already mounted in or on a furniture damping device 1. It may be expedient if the angle between the axis 12 of the screw 14 and the axis 13 of the worm wheel 9 is preferably substantially 90 °.
  • the worm 14 has on its upper side teeth 11 which are engageable with the worm wheel 9 in engagement. A rotational movement of the worm wheel 9 is converted into a linear movement of the worm 14.
  • the piston rod 5 is always on the closed bottom of the cup-shaped screw 14, so that upon displacement of the screw 14 and a displacement of the cylinder 3 takes place relative to the housing 2.
  • a sleeve 8 can be pushed, which comes into contact with the damping to be damped furniture part during the damping process.
  • Fig. 1b shows the assembled damping device 1, wherein by rotation of the worm wheel 9, a displacement of the cylinder 3 together with the sleeve 8 pushed thereon takes place relative to the housing 2.
  • Fig. 2a shows a plan view of the damping device 1.
  • the non-apparent cylinder 3 together with the sleeve 8 can be adjusted relative to the housing 2.
  • mounting flanges 10 are provided on both sides of the housing.
  • FIG. 2 B shows a vertical section along the axis AA Fig. 2a , Evident is the housing 2, in which the screw 14 is adjustably mounted.
  • the worm wheel 9 engages with its toothing in the teeth 11 of the screw 14, so that upon rotation of the worm wheel 9, an axial displacement of the worm 14 relative to the housing 2 takes place.
  • the free end of the piston rod 5 is supported in a recess 15 of the screw 14, wherein the piston rod 5 is constantly supported on the bottom of the cup-shaped screw 14. With an axial displacement of the screw 14 thus the entire cylinder 3 is moved. On the piston rod 5, a piston 4 is formed, which is guided within the cylinder 3. On the cylinder 3, a sleeve 8 is pushed, which impinges on the furniture part to be damped.
  • a, preferably annular limiting element 16 is provided, which cooperates in the inner end position of the screw 14 with a housing 2 arranged on the counter-stop 16 '. In this embodiment, a change of the characteristic or the damping characteristic is not provided.
  • Fig. 3a-3c show different positions of the cylinder 3 with respect to the housing.
  • Fig. 3a shows the worm 14 in the rearmost position relative to the housing 2. In this position, the limiting element 16 and the counter-stop 16 'of the housing 2 abut each other. By rotation of the worm wheel 9, the screw 14 is gradually shifted to the right.
  • Fig. 3b shows a mean position of the screw 14 and the cylinder 3 with respect to the housing 2, while Fig. 3c the outer end position of the screw 14 and the cylinder 3 relative to the housing 2 shows. In this position, the limiting element 16 and the counter-stop 16 'are spaced from each other.
  • Fig. 4a-4c show the enlarged detail views J, P, O from the Fig. 3a-3c
  • Fig. 4a shows the screw 14 and the cylinder 3 in the inner end position with respect to the housing 2, in which the limiting element 16 abuts against the counter-stop 16 '.
  • the sleeve 8 has a latching projection 17 which rests permanently on a latching projection 17 'arranged on the screw 14.
  • Fig. 4b shows the middle position of the screw 14 and the cylinder 3, wherein the limiting element 16 is spaced from the counter-stop 16 '.
  • Fig. 4c shows the maximum displacement of the screw 14 and the cylinder 3, by the difference measure ⁇ X.
  • Fig. 5a shows a further embodiment of the invention with two separate adjustment devices 18 and 19.
  • the first adjustment 18 includes the already described worm gear with the screw 14 and the worm wheel 9.
  • the first adjusting device 18 is provided for the adjustment of the cylinder 3 relative to the housing 2.
  • a second adjusting device 19 is provided with which the piston rod 5 can be adjusted relative to the cylinder 3.
  • the second adjusting device 19 has a screw 20 which is supported on the end face of the screw 14, wherein the screw 14 serves as a stop 7 for the piston rod 5.
  • Fig. 5c and the enlarged detail view in Fig. 5d show an alternative embodiment to that in Fig. 5a respectively.
  • Fig. 5b shown damping device 1, wherein the damping characteristic or the characteristic of the damping device 1 by the worm wheel 9 is adjustable.
  • a first projection 21 is arranged or formed on the (inner) cylinder 3 or on its sleeve 8, preferably in the outer end position of the cylinder 3 or its sleeve 8 relative to the housing 2 cooperates, so that a further axial displacement of the cylinder 3 to the housing 2 is prevented.
  • the piston rod 5 is supported again on the cup-shaped screw 14, wherein the screw 14 is displaceable by the worm wheel 9 in the axial direction of the housing 2. Since a further axial displacement is prevented by the cooperating projections 21, 22, upon actuation of the worm wheel 9, the piston rod 5 and the piston 4 can be more or less inserted into the cylinder 3. Depending on the position of the piston rod 5 and des Piston 4 with respect to the cylinder 3, the damping characteristics of the damping device 1 can be designed differently.
  • Fig. 6a shows an exploded view of the embodiment Fig. 5c respectively.
  • Fig. 5d in which by adjusting the worm wheel 9, the characteristic of the damping device 1 is adjustable.
  • the housing 2 has a projection 22 which cooperates with a projection 21 of the sleeve 8 to prevent further movement of the cylinder 3 with respect to the housing 2.
  • the stopper 7 is formed by the cup-shaped screw 14, the teeth 11 are engageable with the worm wheel 9 in engagement.
  • Fig. 6b shows the damping device 1 in the assembled state.
  • the present invention is not limited to the embodiments shown, but includes all variants and technical equivalents, which may fall within the scope of the following claims. Also, the location selected in the description, such as top, bottom, side, etc. to the respective Installation position or related to the immediately described and illustrated figure and are to be transferred to the new situation in a change in position mutatis mutandis.
  • the cylinder itself may have diameter changes, grooves or combinations of both.

Landscapes

  • Fluid-Damping Devices (AREA)
  • Vibration Dampers (AREA)
  • Legs For Furniture In General (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The damper (1), for furniture doors and sliding drawers, has a housing (2) to accommodate a cylinder (3) with a sliding piston and piston rod (5). A gearing (6) is at the housing to adjust the cylinder and/or a limit stop (7) for the piston rod in relation to the housing, using a screw and a worm wheel (9).

Description

Die vorliegende Erfindung bezieht sich auf eine Dämpfvorrichtung für bewegbare Möbelteile mit einem Gehäuse und einem im Gehäuse angeordneten Zylinder, in dem ein Kolben mit einer Kolbenstange verschiebbar gelagert ist, wobei am Gehäuse mindestens ein Getriebe gelagert ist, über das der Zylinder und/oder ein Anschlag für die Kolbenstange relativ zum Gehäuse verstellbar ist, wobei ein Teil des Getriebes von einem verstellbaren Betätigungselement gebildet ist, wobei das Getriebe eine Drehbewegung des Betätigungselementes in eine Linearbewegung des Zylinders und/oder eines Anschlages für die Kolbenstange umwandelt.The present invention relates to a damping device for movable furniture parts with a housing and a cylinder arranged in the housing, in which a piston is slidably mounted with a piston rod, wherein the housing is mounted at least one gear, via which the cylinder and / or a stop is adjustable relative to the housing for the piston rod, wherein a part of the transmission is formed by an adjustable actuating element, wherein the transmission converts a rotational movement of the actuating element into a linear movement of the cylinder and / or a stop for the piston rod.

Derartige Dämpfvorrichtungen sind bereits bekannt und dienen dazu, die beim schwungvollen Schließen von bewegbaren Möbelteilen, wie Türen oder Schubladen, auftretenden Schlaggeräusche und mechanische Beanspruchungen weitgehend zu reduzieren. Bekannte Dämpfvorrichtungen sind auf Mittelwerte, d.h. auf mittlere Gewichte von Türen oder Schubladen abgestimmt. Um bereits montierte Dämpfvorrichtungen optimal an das Möbel bzw. an die zu dämpfenden bewegbaren Möbelteile anzupassen, ist eine individuelle Anpassung wünschenswert.Such damping devices are already known and serve to reduce the impact sounds and mechanical stresses occurring during the swinging closing of movable furniture parts, such as doors or drawers. Known damping devices are based on mean values, i. tuned to middle weights of doors or drawers. To optimally adapt already mounted damping devices to the furniture or to be damped movable furniture parts, an individual adaptation is desirable.

Einstellbare Dämpfvorrichtungen mit einem Lineardämpfer sind beispielsweise in der EP 1 375 797 A1 , in der AT 54 29 U1 , in der DE 199 31 362 A1 sowie in der DE 201 11 355 U1 beschrieben.Adjustable damping devices with a linear damper are for example in the EP 1 375 797 A1 , in the AT 54 29 U1 , in the DE 199 31 362 A1 as well as in the DE 201 11 355 U1 described.

In der AT 5429 U1 ist eine Dämpfvorrichtung beschrieben, bei der die Position eines in einem Gehäuse angeordneten Zylinders, mittels einer am Kopfende des Gehäuses gelagerten Stellschraube, die die Drehbewegung des als Betätigungselement wirkenden Schrauben kopfs in eine Linear bewegung des Zylinders umwandelt, verändert wird. In der DE 201 11 455 U1 sind Dämpfvorrichtungen beschrieben, bei denen der zylinder durch ein am Kopfende oder seitlich am Gehäuse angeordnetes Betätigungselement verschwenkt oder quer verschuben wird.In the AT 5429 U1 a damper device is described in which the position of a cylinder arranged in a housing, by means of a head screw mounted on the housing screw, the head of the rotational movement of the acting as an actuator screw in a linear motion of the cylinder, is changed. In the DE 201 11 455 U1 Damping devices are described in which the cylinder is pivoted or slid transversely through an actuator disposed at the head end or laterally on the housing.

Aufgabe der vorliegenden Erfindung ist es, die Flexibilität und Einsetzbarkeit der gattungsgemäßen Dämpfvorrichtung zu verbessern.Object of the present invention is to improve the flexibility and applicability of the generic damping device.

Dies wird erfindungsgemäß dadurch erreicht, dass das Betätigungselement - bezogen auf die Längsachse des Zylinders - seitlich am Gehäuse drehbar gelagert ist und ein, Getriebe zum Einsatz kommt, dass wenigstens zwei bewegbar gelagerte Teile umfasst.This is inventively achieved in that the actuating element - relative to the longitudinal axis of the cylinder - is rotatably mounted laterally on the housing and a, transmission is used that comprises at least two movably mounted parts.

Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen definiert.Further advantageous embodiments of the invention are defined in the subclaims.

Durch das vorgesehene Getriebe kann die Dämpfvorrichtung ideal an die jeweiligen Türen, Klappen oder Schubladen angepasst werden, da der Zylinder in Bezug zum Gehäuse verstellbar ist, sodass der Auftreffpunkt des bewegbaren Möbelteiles exakt einstellbar ist. Andererseits kann damit auch die Kennlinie bzw. die Dämpfcharakteristik der Dämpfvorrichtung gezielt beeinflusst werden, da eine Anpassung an die unterschiedlichen Gewichte der bewegbaren Möbelteile und an die unterschiedlichen Kräfte von Scharnieren oder Einzugsvorrichtungen erfolgen kann.Due to the proposed gear, the damping device can be ideally adapted to the respective doors, flaps or drawers, since the cylinder is adjustable in relation to the housing, so that the point of impact of the movable furniture part is precisely adjustable. On the other hand, the characteristic curve or the damping characteristic of the damping device can thus be influenced in a targeted manner, since an adaptation to the different weights of the movable furniture parts and to the different forces of hinges or catching devices can take place.

Ein Ausführungsbeispiel der Erfindung sieht vor, dass ein Teil des Getriebes vom Betätigungselement und ein weiterer Teil vom Anschlag gebildet ist.An embodiment of the invention provides that a part of the transmission is formed by the actuating element and another part of the stop.

Ein bevorzugtes Ausführungsbeispiel der Erfindung sieht vor, dass das Getriebe zumindest eine Schnecke aufweist. Dabei kann die Ausgestaltung so getroffen sein, dass die Schnecke zumindest einen Zahn oder zumindest einen vorzugsweise spiralförmigen Gewindegang aufweist. Auch kann dabei vorgesehen sein, dass die Schnecke mehrgängig ausgebildet ist. Vorteilhaft ist in diesem Zusammenhang vorgesehen, dass der Anschlag durch die Schnecke gebildet ist.A preferred embodiment of the invention provides that the transmission has at least one worm. In this case, the configuration may be made such that the worm has at least one tooth or at least one preferably spiral thread. It can also be provided that the screw is designed to be more continuous. It is advantageously provided in this context that the stop is formed by the screw.

Ein bevorzugtes Ausführungsbeispiel sieht vor, dass das Getriebe als vorzugsweise selbsthemmendes Schneckengetriebe ausgeführt ist. Um die Schnecke in axialer Richtung des Gehäuses zu bewegen, kann es günstig sein, wenn das Getriebe zumindest ein Schneckenrad aufweist. Dabei kann die Ausgestaltung so getroffen sein, dass das Betätigungselement vom Schneckenrad gebildet ist. Das Schneckengetriebe kann mit verschiedenen Übersetzungsverhältnissen realisiert werden. Das Ausführungsbeispiel mit einem Schneckengetriebe hat den Vorteil, dass neben einer exakten Einstellmöglichkeit auch eine spielarme oder spielfreie Verstellung bereit gestellt wird.A preferred embodiment provides that the transmission is designed as a preferably self-locking worm gear. In order to move the worm in the axial direction of the housing, it may be favorable if the gear has at least one worm wheel. In this case, the configuration may be made such that the actuating element is formed by the worm wheel. The worm gear can be realized with different gear ratios. The embodiment with a worm gear has the advantage that in addition to a precise adjustment also a backlash or play-free adjustment is provided.

Eine vorteilhafte Ausgestaltung der Erfindung sieht vor, dass der Anschlag topfförmig ausgebildet ist. Die in dem topfförmigen Anschlag abgestützte und/oder verankerte Kolbenstange kann dadurch eine stabile und verrutschsichere Aufnahme finden. Dabei kann es von Vorteil sein, wenn der Anschlag eine Ausnehmung aufweist, die für die Aufnahme der Kolbenstange, vorzugsweise für das freie Ende derselben, vorgesehen ist.An advantageous embodiment of the invention provides that the stop is cup-shaped. The supported in the cup-shaped stop and / or anchored piston rod can thereby find a stable and slip-proof recording. It may be advantageous if the stop has a recess which is provided for receiving the piston rod, preferably for the free end thereof.

Ein Ausführungsbeispiel der Erfindung sieht vor, dass der Anschlag wenigstens ein, vorzugsweise ringförmig ausgebildetes, Begrenzungselement aufweist, das in einer Endstellung, vorzugsweise in der inneren Endstellung des Anschlages relativ zum Gehäuse, mit einem am Gehäuse angeordneten oder ausgebildeten Gegenanschlag zusammenwirkt und in einer weiteren Stellung vom Gegenanschlag außer Eingriff bringbar ist. Damit wird verhindert, dass der Anschlag zu weit aus dem Gehäuse herausbewegt wird und möglicherweise nicht mehr mit dem Getriebe in Eingriff steht.An embodiment of the invention provides that the stop has at least one, preferably annular design, limiting element which cooperates in an end position, preferably in the inner end position of the stop relative to the housing with a arranged or formed on the housing counter-stop and in a further position Can be disengaged from the counter-attack. This will be prevents the stop from being moved too far out of the housing and possibly out of engagement with the gear.

Vorteilhaft ist vorgesehen, dass der Zylinder zweiteilig ausgebildet ist, wobei der den Kolben aufnehmende Innenzylinder von einer aufgeschobenen Hülse umgeben ist. Die Hülse kann dabei als Schieber ausgeführt werden, der dem bewegbaren Möbelteil eine größere und damit sichere Kontaktfläche als der Zylinder selbst bietet. Um den Auftreffpunkt des bewegbaren Möbelteils auf den Dämpfer zu beeinflussen, kann es von Vorteil sein, dass an der Stirnseite des Innenzylinders oder der Hülse ein Verstellelement in Form einer Schraube angeordnet ist, die in axialer Richtung des Gehäuses bewegbar gelagert ist.Advantageously, it is provided that the cylinder is formed in two parts, wherein the piston receiving the inner cylinder is surrounded by a slipped sleeve. The sleeve can be designed as a slider, which offers the movable furniture part a larger and thus secure contact surface as the cylinder itself. In order to influence the impact point of the movable furniture part on the damper, it may be advantageous that on the end face of the inner cylinder or the sleeve, an adjusting element is arranged in the form of a screw which is movably mounted in the axial direction of the housing.

Eine mögliche Ausgestaltung der Erfindung sieht vor, dass am Innenzylinder oder an der Hülse ein erster Vorsprung angeordnet oder ausgebildet ist, der in einer Stellung mit einem am Gehäuse angeordneten oder ausgebildeten zweiten Vorsprung in einer Stellung, vorzugsweise in der äußeren Endstellung des Zylinders und/oder der Hülse relativ zum Gehäuse, zusammenwirkt und in einer weiteren Stellung vom zweiten Vorsprung außer Eingriff bringbar ist. Damit kann nicht nur verhindert werden, dass der Zylinder zu weit aus dem Gehäuse herausbewegt wird. Vielmehr kann der Zylinder in der äußeren Endstellung abgestützt werden, sodass bei Betätigen des Getriebes eine weitere Axialverschiebung des Zylinders verhindert wird und dass dadurch die Position des Kolbens bzw. der Kolbenstange relativ zum Zylinder variiert werden kann. Durch das Bewegen des Kolbens bzw. der Kolbenstange relativ zum Gehäuse kann die Kennlinie bzw. die Dämpfcharakteristik beeinflusst werden, sodass eine individuelle Einstellung des Dämpfungsverlaufes festgelegt werden kann.A possible embodiment of the invention provides that a first projection is arranged or formed on the inner cylinder or on the sleeve, which in a position with a second projection arranged or formed on the housing in a position, preferably in the outer end position of the cylinder and / or the sleeve cooperates relative to the housing, and in a further position from the second projection can be brought out of engagement. This can not only prevent the cylinder from being moved too far out of the housing. Rather, the cylinder can be supported in the outer end position, so that upon actuation of the transmission, a further axial displacement of the cylinder is prevented and thereby the position of the piston or the piston rod can be varied relative to the cylinder. By moving the piston or the piston rod relative to the housing, the characteristic curve or the damping characteristic can be influenced so that an individual adjustment of the damping characteristic can be determined.

Der Dämpfer selbst kann in üblicher Weise als Fluiddämpfer ausgeführt werden, der mit einem Arbeitsfluid, beispielsweise Öl oder Luft, befüllbar ist. Dabei kann es von Vorteil sein, zusätzlich zur Fluiddämpfung auch einen Kraftspeicher, vorzugsweise eine Feder im Zylinder vorzusehen.The damper itself can be carried out in the usual way as a fluid damper, which can be filled with a working fluid, such as oil or air. It may be advantageous to provide in addition to the fluid damping and a power storage, preferably a spring in the cylinder.

Eine mögliche Ausgestaltung der Erfindung, in der die Dämpfvorrichtung ein Gehäuse und einen im Gehäuse angeordneten Zylinder aufweist, wobei im Zylinder ein Kolben mit einer Kolbenstange verschiebbar gelagert ist, sieht vor, dass am Gehäuse mindestens eine Verstelleinrichtung gelagert ist, über die ein Anschlag für die Kolbenstange relativ zum Gehäuse bewegbar ist.A possible embodiment of the invention, in which the damping device comprises a housing and a cylinder arranged in the housing, wherein in the cylinder a piston is slidably mounted with a piston rod, provides that at least one adjusting device is mounted on the housing, via which a stop for the Piston rod is movable relative to the housing.

Eine weitere mögliche Variante der Erfindung, in der die Dämpfvorrichtung ein Gehäuse und einen im Gehäuse angeordneten Zylinder aufweist, wobei im Zylinder ein Kolben mit einer Kolbenstange verschiebbar gelagert ist, sieht vor, dass zur Verstellung des Zylinders relativ zum Gehäuse eine erste Verstelleinrichtung vorgesehen ist, und zur Verstellung eines Anschlages für die Kolbenstange eine gesonderte zweite Verstelleinrichtung angeordnet ist. Dabei kann es zweckmäßig sein, wenn die erste Verstelleinrichtung vorzugsweise von einem Schneckengetriebe gebildet ist, wodurch die Lage des Zylinders relativ zum Gehäuse veränderbar ist. Vorteilhaft ist vorgesehen, wenn die zweite Verstelleinrichtung von einer Schraube gebildet ist, durch die die Lage der Kolbenstange relativ zum Zylinder veränderbar ist. In diesem Zusammenhang kann vorgesehen sein, dass sich die Schraube vorzugsweise an einer Stirnseite des Gehäuses oder des Anschlages abstützt und dass die Schraube außerhalb des Gehäuses betätigbar ist.A further possible variant of the invention in which the damping device has a housing and a cylinder arranged in the housing, wherein a piston with a piston rod is slidably mounted in the cylinder, provides that a first adjusting device is provided for adjusting the cylinder relative to the housing, and a separate second adjustment is arranged for adjusting a stop for the piston rod. It may be expedient if the first adjusting device is preferably formed by a worm gear, whereby the position of the cylinder is variable relative to the housing. It is advantageously provided that the second adjusting device is formed by a screw, by means of which the position of the piston rod relative to the cylinder is variable. In this context, it may be provided that the screw is preferably supported on an end face of the housing or the stop and that the screw outside the housing is actuated.

Schließlich sieht ein Ausführungsbeispiel der Erfindung vor, dass das Gehäuse wenigstens einen, vorzugsweise zwei, Befestigungsflansch(e) aufweist, die zur Befestigung an einem Möbel und/oder einem bewegbaren Möbelteil desselben befestigbar ist (sind).Finally, an exemplary embodiment of the invention provides that the housing has at least one, preferably two, mounting flange (s) which can be fastened for attachment to a furniture and / or a movable furniture part thereof.

Weitere Einzelheiten und Vorteile der vorliegenden Erfindung werden anhand der Figurenbeschreibung unter Bezugnahme auf die Zeichnungen im Folgenden näher erläutert. Darin zeigt bzw. zeigen:

  • Fig. 1a, 1b eine Explosionsdarstellung sowie eine perspektivische Darstellung der Dämpfvorrichtung im zusammengebauten Zustand,
  • Fig. 2a, 2b eine Draufsicht auf die Dämpfvorrichtung sowie einen Vertikalschnitt entlang der Achse A-A,
  • Fig. 3a-3c verschiedene Vertikalschnitte der Dämpfvorrichtung mit unterschiedlicher Position der Schnecke,
  • Fig. 4a-4c vergrößerte Detailansichten aus den Fig. 3a-3c,
  • Fig. 5a-5d zwei verschiedene Ausführungsbeispiele mit vergrößerten Detailansichten, wobei die Kennlinie der Dämpfvorrichtung einstellbar ist,
  • Fig. 6a, 6b eine Explosionsdarstellung des Ausführungsbeispiels aus Fig. 5c, 5d sowie die Dämpfvorrichtung im zusammengebauten Zustand,
Further details and advantages of the present invention will be explained in more detail below with reference to the description of the figures with reference to the drawings. It shows or shows:
  • Fig. 1a, 1b an exploded view and a perspective view of the damping device in the assembled state,
  • Fig. 2a, 2b a top view of the damping device and a vertical section along the axis AA,
  • Fig. 3a-3c different vertical sections of the damping device with different position of the screw,
  • Fig. 4a-4c enlarged detail views from the Fig. 3a-3c .
  • Fig. 5a-5d two different embodiments with enlarged detail views, wherein the characteristic of the damping device is adjustable,
  • Fig. 6a, 6b an exploded view of the embodiment Fig. 5c, 5d and the damping device in the assembled state,

Fig. 1a zeigt eine Explosionsdarstellung einer Ausführungsform der erfindungsgemäßen Dämpfvorrichtung 1, Fig. 1b zeigt die Dämpfvorrichtung 1 im zusammengebauten Zustand. Die Dämpfvorrichtung 1 umfasst ein Gehäuse 2, in dem ein Zylinder 3 mit der Kolbenstange 5 verschiebbar gelagert ist. Zur Bewegung des Zylinders 3 ist ein Getriebe 6 vorgesehen, das im gezeigten Ausführungsbeispiel als Schneckengetriebe ausgeführt ist. Das Getriebe 6 umfasst einen in axialer Richtung des Gehäuses 2 verschiebbaren Anschlag 7, der durch die Schnecke 14 gebildet ist. Zur Axialverschiebung der Schnecke 14 ist das Betätigungselement 9 in Form eines Schneckenrades vorgesehen, das vorzugsweise mittels eines Schraubendrehers betätigbar ist. Das Betätigungselement 9 ist - bezogen auf die Längsachse des Zylinders 3 - seitlich am Gehäuse 2 drehbar gelagert. Vorteilhaft ist vorgesehen, dass die Drehachse des Betätigungselementes 9 quer, vorzugsweise im Wesentlichen unter einem Winkel von 90°, zur Längsachse des Zylinders 3 verläuft. Damit wird erreicht, dass das Betätigungselement 9 bei einem Gehäuse 2 mit kreisförmigen, ovalen oder polygonalen Querschnitt an dessen Mantelfläche von außen zugänglich ist, wobei eine leichte Erreichbarkeit des Betätigungselementes 9 bei einer bereits in oder an einem Möbel montierten Dämpfvorrichtung 1 ermöglicht wird. Dabei kann es zweckmäßig sein, wenn der Winkel zwischen der Achse 12 der Schnecke 14 und der Achse 13 des Schneckenrades 9 vorzugsweise im Wesentlichen 90° beträgt. Die Schnecke 14 weist an ihrer Oberseite Zähne 11 auf, die mit dem Schneckenrad 9 in Eingriff bringbar sind. Eine Drehbewegung des Schneckenrades 9 wird in eine Linearbewegung der Schnecke 14 umgesetzt. Die Kolbenstange 5 steht dabei immer am geschlossenen Boden der topfförmig ausgebildeten Schnecke 14 an, sodass bei einer Verschiebung der Schnecke 14 auch eine Verschiebung des Zylinders 3 relativ zum Gehäuse 2 erfolgt. An der kolbenabgewandten Seite des Zylinders 3 kann eine Hülse 8 aufgeschoben werden, die beim Dämpfvorgang mit dem zu dämpfenden Möbelteil in Kontakt tritt. Fig. 1b zeigt die zusammengebaute Dämpfvorrichtung 1, wobei durch Drehung des Schneckenrades 9 eine Verschiebung des Zylinders 3 samt darauf geschobener Hülse 8 relativ zum Gehäuse 2 erfolgt. Fig. 1a shows an exploded view of an embodiment of the damping device 1 according to the invention, Fig. 1b shows the damping device 1 in the assembled state. The damping device 1 comprises a housing 2, in which a cylinder 3 is slidably mounted with the piston rod 5. For the movement of the cylinder 3, a gear 6 is provided, which is designed in the illustrated embodiment as a worm gear. The gear 6 comprises a displaceable in the axial direction of the housing 2 stop 7, which is formed by the screw 14. For axial displacement of the screw 14, the actuating element 9 is provided in the form of a worm wheel, which is preferably actuated by means of a screwdriver. The actuating element 9 is - relative to the longitudinal axis of the cylinder 3 - laterally rotatably mounted on the housing 2. It is advantageously provided that the axis of rotation of the actuating element 9 extends transversely, preferably substantially at an angle of 90 °, to the longitudinal axis of the cylinder 3. This ensures that the actuating element 9 is accessible from the outside in a housing 2 with a circular, oval or polygonal cross-section on the lateral surface, with an easy accessibility of the actuating element 9 is enabled at a already mounted in or on a furniture damping device 1. It may be expedient if the angle between the axis 12 of the screw 14 and the axis 13 of the worm wheel 9 is preferably substantially 90 °. The worm 14 has on its upper side teeth 11 which are engageable with the worm wheel 9 in engagement. A rotational movement of the worm wheel 9 is converted into a linear movement of the worm 14. The piston rod 5 is always on the closed bottom of the cup-shaped screw 14, so that upon displacement of the screw 14 and a displacement of the cylinder 3 takes place relative to the housing 2. At the piston side facing away from the cylinder 3, a sleeve 8 can be pushed, which comes into contact with the damping to be damped furniture part during the damping process. Fig. 1b shows the assembled damping device 1, wherein by rotation of the worm wheel 9, a displacement of the cylinder 3 together with the sleeve 8 pushed thereon takes place relative to the housing 2.

Fig. 2a zeigt eine Draufsicht auf die Dämpfvorrichtung 1. Durch Drehung des Schneckenrades 9 kann der nicht ersichtliche Zylinder 3 samt der Hülse 8 relativ zum Gehäuse 2 verstellt werden. Zur Befestigung an einem Möbel bzw. an einem bewegbaren Möbelteil sind auf beiden Seiten des Gehäuses 2 Befestigungsflansche 10 vorgesehen. Fig. 2b zeigt einen Vertikalschnitt entlang der Achse A-A aus Fig. 2a. Zu erkennen ist das Gehäuse 2, in dem die Schnecke 14 verstellbar gelagert ist. Das Schneckenrad 9 greift mit seiner Verzahnung in die Zähne 11 der Schnecke 14 ein, sodass bei einer Drehung des Schneckenrades 9 eine axiale Verschiebung der Schnecke 14 relativ zum Gehäuse 2 erfolgt. Das freie Ende der Kolbenstange 5 lagert in einer Ausnehmung 15 der Schnecke 14, wobei die Kolbenstange 5 sich ständig am Boden der topfförmig ausgebildeten Schnecke 14 abstützt. Bei einer axialen Verschiebung der Schnecke 14 wird somit der gesamte Zylinder 3 verschoben. An der Kolbenstange 5 ist ein Kolben 4 ausgebildet, der innerhalb des Zylinders 3 geführt ist. Auf den Zylinder 3 ist eine Hülse 8 aufgeschoben, die auf das zu dämpfende Möbelteil auftrifft. Zur Begrenzung der axialen Verschiebbarkeit in der inneren Endlage der Schnecke relativ zum Gehäuse ist ein, vorzugsweise ringförmiges Begrenzungselement 16 vorgesehen, das in der inneren Endlage der Schnecke 14 mit einem am Gehäuse 2 angeordneten Gegenanschlag 16' zusammenwirkt. Bei diesem Ausführungsbeispiel ist eine Veränderung der Kennlinie bzw. der Dämpfcharakteristik nicht vorgesehen. Fig. 2a shows a plan view of the damping device 1. By rotation of the worm wheel 9, the non-apparent cylinder 3 together with the sleeve 8 can be adjusted relative to the housing 2. For attachment to a piece of furniture or to a movable furniture part 2 mounting flanges 10 are provided on both sides of the housing. FIG. 2 B shows a vertical section along the axis AA Fig. 2a , Evident is the housing 2, in which the screw 14 is adjustably mounted. The worm wheel 9 engages with its toothing in the teeth 11 of the screw 14, so that upon rotation of the worm wheel 9, an axial displacement of the worm 14 relative to the housing 2 takes place. The free end of the piston rod 5 is supported in a recess 15 of the screw 14, wherein the piston rod 5 is constantly supported on the bottom of the cup-shaped screw 14. With an axial displacement of the screw 14 thus the entire cylinder 3 is moved. On the piston rod 5, a piston 4 is formed, which is guided within the cylinder 3. On the cylinder 3, a sleeve 8 is pushed, which impinges on the furniture part to be damped. To limit the axial displaceability in the inner end position of the screw relative to the housing, a, preferably annular limiting element 16 is provided, which cooperates in the inner end position of the screw 14 with a housing 2 arranged on the counter-stop 16 '. In this embodiment, a change of the characteristic or the damping characteristic is not provided.

Fig. 3a-3c zeigen verschiedene Stellungen des Zylinders 3 in Bezug zum Gehäuse 2. Fig. 3a zeigt die Schnecke 14 in der hintersten Stellung relativ zum Gehäuse 2. In dieser Position liegen das Begrenzungselement 16 und der Gegenanschlag 16' des Gehäuses 2 aneinander an. Durch Drehung des Schneckenrades 9 wird die Schnecke 14 allmählich nach rechts verschoben. Fig. 3b zeigt eine mittlere Stellung der Schnecke 14 bzw. des Zylinders 3 in Bezug zum Gehäuse 2, während Fig. 3c die äußere Endstellung der Schnecke 14 bzw. des Zylinders 3 relativ zum Gehäuse 2 zeigt. In dieser Position sind das Begrenzungselement 16 und der Gegenanschlag 16' voneinander beabstandet. Fig. 3a-3c show different positions of the cylinder 3 with respect to the housing. 2 Fig. 3a shows the worm 14 in the rearmost position relative to the housing 2. In this position, the limiting element 16 and the counter-stop 16 'of the housing 2 abut each other. By rotation of the worm wheel 9, the screw 14 is gradually shifted to the right. Fig. 3b shows a mean position of the screw 14 and the cylinder 3 with respect to the housing 2, while Fig. 3c the outer end position of the screw 14 and the cylinder 3 relative to the housing 2 shows. In this position, the limiting element 16 and the counter-stop 16 'are spaced from each other.

Fig. 4a-4c zeigen die vergrößerten Detailansichten J, P, O aus den Fig. 3a-3c. Fig. 4a zeigt die Schnecke 14 bzw. den Zylinder 3 in der inneren Endstellung in Bezug zum Gehäuse 2, in der das Begrenzungselement 16 an dem Gegenanschlag 16' anliegt. Die Hülse 8 weist einen Rastvorsprung 17 auf, der an einem an der Schnecke 14 angeordneten Rastvorsprung 17' ständig anliegt. Fig. 4b zeigt die mittlere Stellung der Schnecke 14 bzw. des Zylinders 3, wobei das Begrenzungselement 16 von dem Gegenanschlag 16' beabstandet ist. Fig. 4c zeigt die Maximalverstellung der Schnecke 14 bzw. des Zylinders 3, um das Differenzmaß ΔX. Fig. 4a-4c show the enlarged detail views J, P, O from the Fig. 3a-3c , Fig. 4a shows the screw 14 and the cylinder 3 in the inner end position with respect to the housing 2, in which the limiting element 16 abuts against the counter-stop 16 '. The sleeve 8 has a latching projection 17 which rests permanently on a latching projection 17 'arranged on the screw 14. Fig. 4b shows the middle position of the screw 14 and the cylinder 3, wherein the limiting element 16 is spaced from the counter-stop 16 '. Fig. 4c shows the maximum displacement of the screw 14 and the cylinder 3, by the difference measure Δ X.

Fig. 5a zeigt ein weiteres Ausführungsbeispiel der Erfindung mit zwei gesonderten Verstelleinrichtungen 18 und 19. Die erste Verstelleinrichtung 18 umfasst das bereits beschriebene Schneckengetriebe mit der Schnecke 14 und dem Schneckenrad 9. Die erste Verstelleinrichtung 18 ist für die Verstellung des Zylinders 3 relativ zum Gehäuse 2 vorgesehen. Zusätzlich zu der ersten Verstelleinrichtung 9 ist eine zweite Verstelleinrichtung 19 vorgesehen, mit der die Kolbenstange 5 relativ zum Zylinder 3 verstellt werden kann. Hierdurch wird die Kennlinie der Dämpfvorrichtung 1 bzw. deren Dämpfcharakteristik beeinflusst. Die zweite Verstelleinrichtung 19 weist eine Schraube 20 auf, die sich an der Stirnseite der Schnecke 14 abstützt, wobei die Schnecke 14 als Anschlag 7 für die Kolbenstange 5 dient. Durch die erste Verstelleinrichtung 18 wird eine axiale Verschiebung der Schnecke 14 blockiert, bei Betätigung der Schraube 20 wird folglich die Kolbenstange 5 bzw. der Kolben 4 relativ zum Zylinder 4 verschoben. Durch Verdrehen der Schraube 20 im Uhrzeigersinn wird der Kolben 4 weiter in den Zylinder 3 hineingedrückt, sodass ein kürzerer Dämpfweg bis zum vollständigen Eindrücken des Kolbens 4 in den Zylinder 3 verbleibt. Bei Drehung der Schraube 20 im Gegenuhrzeigersinn wird der Kolben 4 bzw. die Kolbenstange 5 weiter aus dem Zylinder 3 herausbewegt, sodass ein längerer Dämpfweg des Kolbens 4 bis hin zur vollständig eingedrückten Stellung desselben die Folge ist. Fig. 5b zeigt eine vergrößerte Darstellung des Details aus Fig. 5a. Die Schnecke 14 wurde mit Hilfe der ersten Verstelleinrichtung 18 so weit in das Innere des Gehäuses 2 verschoben, sodass das Begrenzungselement 16 der Schnecke 14 und der Gegenanschlag 16' des Gehäuses 2 voneinander beabstandet sind. Die axiale Lage der Schnecke 14 bleibt unveränderlich, durch Betätigen der zweiten Verstelleinrichtung 19 kann die Dämpfcharakteristik der Dämpfvorrichtung 1 eingestellt werden. Fig. 5a shows a further embodiment of the invention with two separate adjustment devices 18 and 19. The first adjustment 18 includes the already described worm gear with the screw 14 and the worm wheel 9. The first adjusting device 18 is provided for the adjustment of the cylinder 3 relative to the housing 2. In addition to the first adjusting device 9, a second adjusting device 19 is provided with which the piston rod 5 can be adjusted relative to the cylinder 3. As a result, the characteristic of the damping device 1 or its damping characteristic is influenced. The second adjusting device 19 has a screw 20 which is supported on the end face of the screw 14, wherein the screw 14 serves as a stop 7 for the piston rod 5. By the first adjusting device 18, an axial displacement of the screw 14 is blocked, upon actuation of the screw 20, consequently, the piston rod 5 and the piston 4 is displaced relative to the cylinder 4. By turning the screw 20 in a clockwise direction, the piston 4 is further pressed into the cylinder 3, so that a shorter Dämpfweg remains until the complete depression of the piston 4 in the cylinder 3. Upon rotation of the screw 20 in a counterclockwise direction, the piston 4 or the piston rod 5 is further moved out of the cylinder 3, so that a longer Dämpfweg of the piston 4 to the fully depressed position thereof is the result. Fig. 5b shows an enlarged view of the details Fig. 5a , The screw 14 has been moved with the aid of the first adjusting device 18 so far into the interior of the housing 2, so that the limiting element 16 of the screw 14 and the counter-stop 16 'of the housing 2 are spaced apart. The axial position of the screw 14 remains invariable, by operating the second adjusting device 19, the damping characteristic of the damping device 1 can be adjusted.

Fig. 5c und die vergrößerte Detaildarstellung in Fig. 5d zeigen ein alternatives Ausführungsbeispiel zu der in Fig. 5a bzw. Fig. 5b gezeigten Dämpfvorrichtung 1, wobei die Dämpfcharakteristik bzw. die Kennlinie der Dämpfvorrichtung 1 durch das Schneckenrad 9 einstellbar ist. Um eine weitere axiale Verschiebung des Zylinders 3 zu verhindern, ist am (Innen-)Zylinder 3 bzw. an dessen Hülse 8 ein erster Vorsprung 21 angeordnet oder ausgebildet, der vorzugsweise in der äußeren Endstellung des Zylinders 3 bzw. dessen Hülse 8 relativ zum Gehäuse 2 zusammenwirkt, sodass eine weitere axiale Verschiebung des Zylinders 3 zum Gehäuse 2 verhindert wird. Die Kolbenstange 5 stützt sich dabei wieder an der topfförmig ausgebildeten Schnecke 14 ab, wobei die Schnecke 14 durch das Schneckenrad 9 in axialer Richtung des Gehäuses 2 verschiebbar ist. Da eine weitere axiale Verschiebung durch die zusammenwirkenden Vorsprünge 21, 22 verhindert wird, kann bei Betätigung des Schneckenrades 9 die Kolbenstange 5 bzw. der Kolben 4 mehr oder weniger weit in den Zylinder 3 eingeschoben werden. Je nach Position der Kolbenstange 5 bzw. des Kolbens 4 in Bezug zum Zylinder 3 kann die Dämpfcharakteristik der Dämpfvorrichtung 1 unterschiedlich gestaltet werden. Fig. 5c and the enlarged detail view in Fig. 5d show an alternative embodiment to that in Fig. 5a respectively. Fig. 5b shown damping device 1, wherein the damping characteristic or the characteristic of the damping device 1 by the worm wheel 9 is adjustable. In order to prevent a further axial displacement of the cylinder 3, a first projection 21 is arranged or formed on the (inner) cylinder 3 or on its sleeve 8, preferably in the outer end position of the cylinder 3 or its sleeve 8 relative to the housing 2 cooperates, so that a further axial displacement of the cylinder 3 to the housing 2 is prevented. The piston rod 5 is supported again on the cup-shaped screw 14, wherein the screw 14 is displaceable by the worm wheel 9 in the axial direction of the housing 2. Since a further axial displacement is prevented by the cooperating projections 21, 22, upon actuation of the worm wheel 9, the piston rod 5 and the piston 4 can be more or less inserted into the cylinder 3. Depending on the position of the piston rod 5 and des Piston 4 with respect to the cylinder 3, the damping characteristics of the damping device 1 can be designed differently.

Fig. 6a zeigt eine Explosionsdarstellung des Ausführungsbeispiels aus Fig. 5c bzw. Fig. 5d, bei der durch Verstellen des Schneckenrades 9 die Kennlinie der Dämpfvorrichtung 1 verstellbar ist. Das Gehäuse 2 weist einen Vorsprung 22 auf, der mit einem Vorsprung 21 der Hülse 8 zusammenwirkt, um ein weiteres Herausbewegen des Zylinders 3 in Bezug zum Gehäuse 2 zu vermeiden. Der Anschlag 7 wird von der topfförmigen Schnecke 14 gebildet, deren Zähne 11 mit dem Schneckenrad 9 in Eingriff bringbar sind. Fig. 6b zeigt die Dämpfvorrichtung 1 im zusammengebauten Zustand. Fig. 6a shows an exploded view of the embodiment Fig. 5c respectively. Fig. 5d in which by adjusting the worm wheel 9, the characteristic of the damping device 1 is adjustable. The housing 2 has a projection 22 which cooperates with a projection 21 of the sleeve 8 to prevent further movement of the cylinder 3 with respect to the housing 2. The stopper 7 is formed by the cup-shaped screw 14, the teeth 11 are engageable with the worm wheel 9 in engagement. Fig. 6b shows the damping device 1 in the assembled state.

Die vorliegende Erfindung beschränkt sich nicht auf die gezeigten Ausführungsbeispiele, sondern umfasst bzw. erstreckt sich auf alle Varianten und technischen Äquivalente, welche in die Reichweite der nachfolgenden Ansprüche fallen können. Auch sind die in der Beschreibung gewählten Lageangaben, wie z.B. oben, unten, seitlich, usw. auf die jeweilige Einbaulage bzw. auf die unmittelbar beschriebene sowie dargestellte Figur bezogen und sind bei einer Lageänderung sinngemäß auf die neue Lage zu übertragen. Der Zylinder selbst kann Durchmesserveränderungen, Nuten oder auch Kombinationen aus beidem aufweisen.The present invention is not limited to the embodiments shown, but includes all variants and technical equivalents, which may fall within the scope of the following claims. Also, the location selected in the description, such as top, bottom, side, etc. to the respective Installation position or related to the immediately described and illustrated figure and are to be transferred to the new situation in a change in position mutatis mutandis. The cylinder itself may have diameter changes, grooves or combinations of both.

Claims (26)

  1. A damping device (1) for movable furniture parts, comprising a housing (2) and a cylinder (3) arranged in the housing (2), wherein a piston (4) with a piston rod (5) is displaceable within the cylinder (3), wherein arranged on the housing (2) is at least one transmission (6) for adjusting the cylinder (3) and/or a stop (7) for the piston rod (5) relative to the housing (2), wherein a part of the transmission (6) is formed by an adjustable actuating element (9), wherein the transmission (6) converts a rotational movement of the actuating element (9) into a linear movement of the cylinder (3) and/or the stop (7) for the piston rod (5), characterized in that the actuating element (9) with respect to a longitudinal axis of said cylinder (3) - is laterally and pivotally arranged on the housing (2) and the transmission (6) comprises at least two parts being movably mounted.
  2. The damping device according to claim 1, characterised in that the actuating element (9) can preferably be adjusted by a screwdriver.
  3. The damping device according to claim 1 or 2, characterised in that the actuating element (9) has an axis of rotation (13) which runs crosswise to a longitudinal axis of the cylinder (3), preferably at an angle of essentially 90°.
  4. The damping device according to one of the claims 1 to 3, characterised in that the actuating element (9) is in the form of an adjustment wheel which, when the wheel is turned, adjusts the position of the cylinder (3) and/or the stop (7) for the piston rod (5) relative to the housing (2).
  5. The damping device according to claim 4, characterised in that the adjustment wheel (9) is arranged on an outer surface of the housing (2) and can at least sectionally be adjusted from the outside.
  6. The damping device according to one of the claims 1 to 5, characterised in that the transmission (6) comprises at least one worm (14).
  7. The damping device according to claim 6, characterised in that the worm (14) comprises at least one tooth (11) or at least one, preferably spiral-shaped, thread.
  8. The damping device according to claim 6 or 7, characterised in that the worm (14) has multiple threads.
  9. The damping device according to one of the claims 6 to 8, characterised in that the stop (7) is formed by the worm (14).
  10. The damping device according to one of the claims 1 to 9, characterised in that the transmission (6) comprises at least one worm gear.
  11. The damping device according to claim 11, characterised in that the actuating element (9) is formed by the worm gear.
  12. The damping device according to claim 10 or 11, characterised in that the axis (13) of the worm gear (9) with respect to a longitudinal axis of the cylinder (3) runs crosswise, preferably essentially at an angle of 90°.
  13. The damping device according to one of claims 10 to 12, characterised in that the angle between the axis (12) of the worm (14) and the axis (13) of the worm gear (9) is essentially 90°.
  14. The damping device according to one of the claims 1 to 13, characterised in that the stop (7) is pot-shaped.
  15. The damping device according to one of the claims 1 to 14, characterised in that the stop (7) comprises a, preferably annular-shaped, limiting element (16) which abuts in an end-position, preferably in the inner end-position of the stop (7) relative to the housing (2), a counterstop (16') arranged or formed on the housing (2) and in a further position can be disengaged from the counterstop (16').
  16. The damping device according to one of the claims 1 to 15, characterised in that the stop (7) comprises a recess (15) which accepts the piston rod (5), preferably a free end thereof.
  17. The damping device according to one of the claims 1 to 16, characterised in that the cylinder (3) is made in a two-piece construction, wherein the inner cylinder (3) - which contains the piston (4) - is surrounded by a pushed-on sleeve (8).
  18. The damping device according to claim 17, characterised in that a first projection (21) is arranged or formed on the inner cylinder (3) or on the sleeve (8), said first projection (21) in one position abuts a second projection (22) arranged or formed on the housing (2), preferably in the outer end position of the cylinder (3) and/or the sleeve (8) with respect to the housing (2), and can be disengaged from the second protrusion (22) in a further position.
  19. The damping device according to one of the claims 1 to 18, characterised in that the cylinder (3) can be filled with a fluid, preferably with oil or air.
  20. The damping device according to one of the claims 1 to 19, characterised in that an energy-storing device, preferably a spring, is disposed in the cylinder (3).
  21. A damping device for movable furniture parts comprising a housing and a cylinder arranged in the housing, wherein a piston with a piston rod is displaceable within the cylinder, according to one of the claims 1 to 20, characterised in that at least one adjustment device (18) is provided on the housing (2), by means of which a stop for the piston rod (5) can be moved in relation to the housing (2).
  22. A damping device for movable furniture parts comprising a housing and a cylinder arranged in the housing, wherein a piston with a piston rod is displaceable within the cylinder, according to one of the claims 1 to 21, characterised in that a first adjustment device (18) is provided in order to adjust the cylinder (3) relative to the housing (2) and a separate second adjustment device (19) is provided for adjusting the stop (7) for the piston rod (5).
  23. The damping device according to claim 22, characterised in that the first adjustment device (18) preferably comprises a worm gear so as to adjust the position of the cylinder (3) relative to the housing (2).
  24. The damping device according to claim 22 or 23, characterised in that the second adjustment device (19) is formed by a screw (20) by which a position of the piston rod (5) relative to the cylinder (3) can be adjusted.
  25. The damping device according to claim 24, characterised in that the screw (20) is preferably disposed on a front face of the housing (2) or a front face of the stop (7), wherein the screw (20) can be actuated from outside the housing (2).
  26. The damping device according to one of the claims 1 to 25, characterised in that the housing (2) has at least one, preferably two, mounting flange(s) (10) for fastening the housing (2) to an item of furniture and/or to a movable furniture part thereof.
EP06004556A 2005-04-01 2006-03-07 Damping device for displaceable furniture parts Active EP1707723B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SI200631236T SI1707723T1 (en) 2005-04-01 2006-03-07 Damping device for displaceable furniture parts
EP08018790A EP2017421B1 (en) 2005-04-01 2006-03-07 Damping device for displaceable furniture parts
DE202006019428U DE202006019428U1 (en) 2005-04-01 2006-03-07 Damper, for furniture doors and sliding drawers, has a gearing to set the position of the cylinder and/or piston rod limit stop in relation to the housing to fit into a variety of furniture installations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0055405A AT502943B1 (en) 2005-04-01 2005-04-01 DAMPING DEVICE FOR MOVABLE FURNITURE PARTS

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP08018790A Division EP2017421B1 (en) 2005-04-01 2006-03-07 Damping device for displaceable furniture parts
EP08018790.9 Division-Into 2008-10-28

Publications (4)

Publication Number Publication Date
EP1707723A2 EP1707723A2 (en) 2006-10-04
EP1707723A8 EP1707723A8 (en) 2007-02-28
EP1707723A3 EP1707723A3 (en) 2008-05-28
EP1707723B1 true EP1707723B1 (en) 2011-10-12

Family

ID=37030072

Family Applications (2)

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EP06004556A Active EP1707723B1 (en) 2005-04-01 2006-03-07 Damping device for displaceable furniture parts
EP08018790A Active EP2017421B1 (en) 2005-04-01 2006-03-07 Damping device for displaceable furniture parts

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP08018790A Active EP2017421B1 (en) 2005-04-01 2006-03-07 Damping device for displaceable furniture parts

Country Status (8)

Country Link
US (1) US7971691B2 (en)
EP (2) EP1707723B1 (en)
JP (2) JP4969128B2 (en)
CN (2) CN1840931B9 (en)
AT (3) AT502943B1 (en)
DE (2) DE502006008930D1 (en)
ES (2) ES2361268T3 (en)
SI (2) SI1707723T1 (en)

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DE502006008930D1 (en) 2011-03-31
CN1840931B9 (en) 2021-11-09
CN101435478A (en) 2009-05-20
EP2017421B1 (en) 2011-02-16
EP1707723A8 (en) 2007-02-28
EP2017421A1 (en) 2009-01-21
CN101435478B (en) 2012-09-05
US7971691B2 (en) 2011-07-05
CN1840931A (en) 2006-10-04
SI2017421T1 (en) 2011-06-30
EP1707723A3 (en) 2008-05-28
CN1840931B (en) 2010-10-06
AT502943A1 (en) 2007-06-15
SI1707723T1 (en) 2012-02-29
JP4969128B2 (en) 2012-07-04
JP2009092247A (en) 2009-04-30
ES2375205T3 (en) 2012-02-27
US20060220284A1 (en) 2006-10-05
ATE528474T1 (en) 2011-10-15
JP4969559B2 (en) 2012-07-04
ATE498755T1 (en) 2011-03-15
DE202006019428U1 (en) 2007-03-15
EP1707723A2 (en) 2006-10-04
AT502943B1 (en) 2011-07-15
JP2006283973A (en) 2006-10-19
ES2361268T3 (en) 2011-06-15

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