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EP1416832B1 - Entrainement de meuble destine a deplacer des elements d'un meuble les uns par rapport aux autres - Google Patents

Entrainement de meuble destine a deplacer des elements d'un meuble les uns par rapport aux autres Download PDF

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Publication number
EP1416832B1
EP1416832B1 EP02772121A EP02772121A EP1416832B1 EP 1416832 B1 EP1416832 B1 EP 1416832B1 EP 02772121 A EP02772121 A EP 02772121A EP 02772121 A EP02772121 A EP 02772121A EP 1416832 B1 EP1416832 B1 EP 1416832B1
Authority
EP
European Patent Office
Prior art keywords
lever
drive
furniture
displacing
furniture drive
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.)
Expired - Lifetime
Application number
EP02772121A
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German (de)
English (en)
Other versions
EP1416832A1 (fr
EP1416832B2 (fr
Inventor
Eckhart Dewert
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.)
Linak AS
Original Assignee
Linak AS
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Filing date
Publication date
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Application filed by Linak AS filed Critical Linak AS
Publication of EP1416832A1 publication Critical patent/EP1416832A1/fr
Publication of EP1416832B1 publication Critical patent/EP1416832B1/fr
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Anticipated expiration legal-status Critical
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/041—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by electric motors

Definitions

  • the invention relates to a furniture drive referred to in the preamble of claim 1 for adjusting parts of a piece of furniture relative to each other.
  • EP 0 372 032 B1, DE 38 42 078 C2 and EP 0 583 660 B1 disclose furniture drives which serve to adjust parts of slatted frames.
  • a furniture drive which has a base body in the form of a housing, on which an adjusting element for adjusting a part of the furniture is pivotally mounted.
  • the known furniture drive also has a drive element which is in drive connection with the adjusting element for adjusting the same.
  • a respective furniture drive of the type in question for adjusting parts of a furniture comprising a base body, a pivotally mounted on the base adjusting element for adjusting a part of the furniture and a drive element which is in drive connection with the adjusting element for adjusting the same, wherein a lever mechanism is arranged in the drive train between the drive element and the adjusting element.
  • the invention has for its object to provide a furniture drive referred to in the preamble of claim 1 species whose structure is simplified and designed more cost effective.
  • a lever mechanism is arranged in the drive train between the drive element and the adjusting element.
  • the drive element or an intermediate part connected thereto acts loosely on a lever of the lever mechanism.
  • the adjustment of the adjusting element from an initial position into an adjustment position takes place in that the drive element or the intermediate part acts on a lever of the lever mechanism with an adjusting force.
  • a provision of the adjustment from the Verstellage back to the starting position is under the weight of a displaced with the adjusting element of a piece of furniture, for example, a support member of a slatted frame.
  • the adjusting element with the lever mechanism is freely movable from the initial position into the Verstellage so that, for example, the installation of the drive in a piece of furniture, such as a slatted frame, is simplified.
  • the intermediate part is a slide which is in operative connection with a claimable on adjustment of the adjusting element on pressure lever of the lever mechanism.
  • This embodiment is particularly simple and inexpensive to produce.
  • the slide can be formed in this embodiment in any suitable manner, for example by a spindle nut or a part connected to an adjusting spindle.
  • lever mechanism at least two spaced apart in the circumferential direction of the pivot axis of the adjusting element to each other Make attacks on the adjustment. In this way, based on the pivot axis of the adjusting element, a circumferentially uniform introduction of the force exerted by the lever mechanism force is achieved in the adjustment. Tensions and twists of the adjustment are thus reliably avoided.
  • a particularly uniform application of force results from the fact that the lever mechanism acts on at least two diametrically opposite points relative to the pivot axis on the adjusting element, as provided for by a development of the aforementioned embodiment.
  • the structure of the lever mechanism is selected according to the requirements within wide limits, for example, one-armed lever, two-armed lever or angle lever or other lever can be used.
  • the number of levers and their length ratios are widely selectable to set a desired reduction ratio.
  • the lever mechanism has a first lever, one end of which is articulated to the adjusting element and which is in power transmission connection with the drive element.
  • lever mechanism has a second lever which is hinged to the adjusting element, wherein for adjusting the adjusting one of the lever, the adjusting element claimed to train and the other lever claims the adjusting element to pressure.
  • This embodiment is simple and therefore inexpensive to produce.
  • the coupling means may be formed in any suitable manner. A particularly simple and thus cost-producible development of the embodiment with the coupling means provides that the coupling means have a third lever.
  • the third lever is expediently a two-armed lever whose one lever arm is articulated on the first lever and whose other lever arm is articulated on the second lever.
  • This embodiment is particularly simple in construction and thus particularly inexpensive to produce. In addition, it is particularly robust.
  • the drive element of the furniture drive according to the invention is expediently a linearly movable drive element.
  • an embodiment according to the invention provides that the linearly movable drive element is a spindle nut which is held against rotation and is movable in the axial direction on a rotationally driven adjusting spindle.
  • Such spindle drives are available as simple and inexpensive standard components and are suitable for applying large forces.
  • the linearly movable drive element according to the invention can also be an axially movable, rotationally guided adjusting spindle, on which a rotationally drivable spindle nut is arranged.
  • Adjustment rotatably connected to a rotatably mounted shaft is connected, which in the mounting position of the furniture drive with a part of the furniture for adjusting the same in operative connection.
  • This embodiment is simple in construction and particularly robust, so that can be applied particularly large forces with the furniture drive according to the invention according to this embodiment.
  • the assembly of the furniture drive to a furniture is simplified.
  • a development of the aforementioned embodiment provides that the adjusting element to form a rotationally fixed connection is positively connected to the shaft.
  • This embodiment is also particularly robust and suitable for transmitting particularly large forces.
  • the waves has a non-circular cross section and engages positively in the mounting position of the furniture drive in a recess of the adjusting element, which is formed to the cross section of the shaft substantially complementary.
  • This embodiment is particularly simple in construction and thus particularly inexpensive to produce. In addition, it is particularly robust and facilitates the installation of the furniture drive on the furniture.
  • the recess of the pivot lever is designed to be open in the radial direction of the shaft. This facilitates the installation of the furniture drive according to the invention the insertion of the shaft in the recess.
  • locking means for locking the shaft may be provided in the recess.
  • the locking means prevents the shaft from disengaging from the recess during the adjustment movement.
  • motorically adjustable support means for upholstering a sitting and / or lying furniture, such as a mattress of a bed is specified in claim 16.
  • the claim 17 indicates a development of the support device according to the invention.
  • a seat and / or reclining furniture provided with a support device according to the invention is specified in claim 18.
  • a support device 2 in the form of a slatted base for supporting a not shown in the drawing upholstery of a sitting and / or reclining furniture, such as a mattress of a bed, is shown.
  • the support device 2 has a plurality of relatively mutually parallel to each other horizontal pivot axes pivotable support members and serves to support the padding, not shown in the drawing of the seat and / or reclining furniture.
  • the support device 2 has a central support part 4, which is pivotally connected at one side and pivotable about a horizontal pivot axis with a leg support part 6, which on its side facing away from the central support member 4 hinged and pivotable about a horizontal pivot axis with a calf support part. 8 connected is.
  • the middle support member 4 is pivotally connected on its side facing away from the leg support member 6 and pivotally connected about a horizontal pivot axis with an upper body support member 10 on its side facing away from the central support member 4 side and pivotable about a horizontal pivot axis with a headrest part 12 is connected.
  • an adjusting lever 14 is provided, whose one end 16 is hinged to the calf support member 8 and the other end 18 rotatably with a about a horizontal axis of rotation at one in the drawing, not shown Frame of the support means 2 rotatably mounted shaft 20 is connected in the form of a square shaft.
  • a further adjusting lever 22 is provided, one end 23 rotatably with a about a horizontal axis of rotation on the frame, not shown in the drawing of the support means 2 rotatably mounted shaft 24 in shape a square shaft is connected and the other end 26 is connected to one end 28 of a further adjusting lever 30, the lever 22 facing away from the end 32 is pivotally connected to the headrest part 12.
  • FIG. 2 shows the support device according to FIG. 1 in a position in which the support parts 6, 8 and 10, 12 are pivoted relative to the central support part 4.
  • furniture drives are provided according to the invention, which are accommodated in a common housing 34 below the support means 2.
  • furniture drives are supported by the shafts 20, 24, which in turn are rotatably mounted on the frame of the support means 2, not shown in the drawing.
  • the housing 34 may for example also be fastened to the frame of the support device 2, which is not shown in the drawing be.
  • FIG. 3 is a highly schematic partial view of an embodiment of a furniture drive 36 according to the invention for adjusting parts of a piece of furniture relative to each other, whose main body is formed in this embodiment by the housing 34.
  • the furniture drive 36 has two drive units 35, 35 'accommodated in the housing 34, of which only the drive unit 35 can be seen in FIG.
  • the drive unit 35 has an adjustment element 38 designed as a shaft receptacle, which is mounted pivotably on the housing 34 about a pivot axis 40.
  • the adjusting element 38 is positively connected to the shaft 20 to form a rotationally fixed connection (cf., FIG. 1).
  • the shaft 20 has a non-circular cross section in the form of a square and engages positively in a recess 42 of the adjusting element 38, which is formed to the cross section of the shaft 20 substantially complementary and formed in the radial direction of the shaft 20 to the side.
  • the shaft 20 is held in the mounting position of the furniture drive 36 frictionally engaged in the recess 42.
  • the drive unit 35 also has a drive element which can be moved back and forth in the direction of a double arrow 43 and, in this exemplary embodiment, is an adjusting spindle 44 which is movable in the axial direction and secured against rotation, on which a rotationally drivable spindle nut 46 is arranged.
  • a rotary drive for the spindle nut 46 an electric motor 48 is provided, which is connected to the spindle nut 46 via a gear 50 in rotary drive connection.
  • a slide 52 is non-displaceably and non-rotatably connected, which is guided on an inner wall 54 of the housing 34.
  • a lever mechanism 56 is arranged in the drive train between the adjusting spindle 44 and the adjusting element 38, which has a first lever 58, which is articulated eccentrically to the pivot axis 40 on the adjusting element 38 and the other end 62 on the spindle nut 46th remote from the surface 52 of the slider 52 and is applied loosely by this.
  • the lever mechanism 56 has in this embodiment further comprises a second lever 64, whose one end 66 is articulated eccentrically to the pivot axis 40 on the adjusting element 38. 3, the ends 60, 66 of the levers 58, 64 are articulated to the adjusting element 38 at positions diametrically opposite the pivot axis 40 in this exemplary embodiment.
  • the lever mechanism 56 further includes a third lever 68 which is formed in this embodiment as a two-armed lever and is pivotally mounted about an axis parallel to the pivot axis 40 of the adjusting element 38 pivot axis 70 on an inner wall of the housing 34.
  • a lever arm 72 of the third lever 68 is articulated on the end of the first lever 58 facing away from the adjusting element 38, while its other lever arm 74 is articulated on the end 76 of the second lever 64 facing away from the adjusting element 38.
  • the third lever 68 forms coupling means which transmit movement of the first lever 58 to the second lever 64 so that movements of the levers 58, 64 are coupled to each other with the levers 58, 64 moving in opposite directions.
  • the first lever 58 and the second lever 64 have the same length. Further, the ends of the levers 58, 64 at the same distance from the pivot axis 70 of the third lever 68 are articulated thereto.
  • the third lever 68 consists of two flat, in the axial direction of the pivot axis 70 mutually spaced lever parts, so that the lever arms 72, 74 are formed as forks, between which the lever 58, 64 are included.
  • the operation of the furniture drive 36 according to the invention is as follows:
  • the shaft 20 In the mounting position of the furniture drive 36, the shaft 20 is positively received in the recess 42 of the adjusting element 38, as shown in FIG. 3 can be seen.
  • the electric motor 48 drives the spindle nut 6 such that the adjusting spindle 44 moves with the slider 52 in Fig. 3 to the left, so that the first lever 58 in Fig. 3 also moves to the left and this pivots the third lever 68 in Fig. 3 in a clockwise direction, so that at the same time the second lever 64 moves in Fig. 3 to the right.
  • the first lever 58 claims the adjusting element 38 to pressure, while the second lever 64, the adjusting element 38 claimed to train, so that this pivoted in Fig. 3 in the clockwise direction. Because of this, the shaft 20 also pivots clockwise, so that the leg support member 6 is pivoted together with the calf support member 8 in the adjustment position shown in Fig. 2.
  • a return from the adjustment position shown in Fig. 2 in the starting position shown in FIG. 1 is carried out under the weight of the leg support member 6 and the calf support member 8 and a possibly resting on the support person, the furniture drive 36 is turned on.
  • FIGS. 4 and 5 the drive unit 35, which is shown in FIG. 3 in a first end position of the adjusting movement, is shown in further adjusting positions, the adjusting position shown in FIG. 5 being a second end position of the adjusting movement. From a comparison of Figures 3 and 5 it can be seen that the shaft 20 is pivotable by means of the drive unit 35 by 90 °. With a corresponding structure of the adjusting element 38 and the lever mechanism 56, however, maximum pivot angle of less than 90 ° or more than 90 ° can be achieved.
  • a further drive unit 35 ' is added, so that the furniture drive 36 according to the invention is formed in this embodiment as a double drive.
  • the furniture drive according to the invention can in principle also be constructed as a single drive.
  • the drive unit 35 ' is corresponding to one of the drive unit 35 Constructed way; their components are provided with reference numerals corresponding to the reference numerals of the components of the drive unit 35.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Transmission Devices (AREA)
  • Coin-Freed Apparatuses For Hiring Articles (AREA)
  • Legs For Furniture In General (AREA)
  • Mechanical Control Devices (AREA)

Claims (18)

  1. Commande de meuble (36) pour ajuster les pièces d'un meuble les unes par rapport aux autres, comportant un corps de base, un élément de réglage (38) monté de manière à pouvoir tourner sur le corps de base et destiné à ajuster une pièce d'un meuble, et un élément de commande qui est en liaison de commande avec l'élément de réglage pour le régler, une commande à leviers (56) étant agencée dans la barre de commande entre l'élément de commande et l'élément de réglage (38),
    caractérisée en ce que l'élément de commande ou une pièce intermédiaire reliée à celui-ci agit librement sur un levier (58) de la commande à leviers (56) et en ce que l'élément de commande mobile dans le sens linéaire est un écrou de broche maintenu sur une broche de réglage pouvant être entraînée en rotation, résistant à la torsion et mobile dans le sens axial, ou bien une broche de réglage (44) guidée de manière résistant à la torsion et mobile dans le sens axial, sur laquelle est agencé un écrou de broche (46) pouvant être entraîné en rotation.
  2. Commande de meuble selon la revendication 1,
    caractérisée en ce que la pièce intermédiaire est un coulisseau (52) qui est en liaison active avec un levier (58) de la commande à leviers (56) et sur lequel une pression peut être exercée lors du réglage de l'élément de réglage.
  3. Commande de meuble selon la revendication 1,
    caractérisée en ce que la commande à leviers (56) exerce une prise, sur l'élément de réglage (38), en au moins deux points à distance l'un de l'autre dans le sens circonférentiel de l'axe de pivotement (40) de l'élément de réglage (38).
  4. Commande de meuble selon la revendication 3,
    caractérisée en ce que la commande à leviers (56) exerce une prise sur l'élément de réglage (38) en au moins deux points diamétralement opposés par rapport à l'axe de pivotement (40).
  5. Commande de meuble selon la revendication 1,
    caractérisée en ce que la commande à leviers (56) présente un premier levier (58), dont une extrémité est articulée à l'élément de réglage (38), et qui est en liaison de transmission avec l'élément de commande.
  6. Commande de meuble selon la revendication 5,
    caractérisée en ce que la commande à leviers (56) présente un deuxième levier (64) qui est articulé à l'élément de réglage (38), l'un des leviers (58, 64) exerçant une traction sur l'élément de réglage (38) et l'autre levier exerçant une pression sur l'élément de réglage (38) pour régler l'élément de réglage (38).
  7. Commande de meuble selon la revendication 6,
    caractérisée en ce que le premier levier (58) et le deuxième levier (64) sont couplés l'un à l'autre par des moyens d'accouplement.
  8. Commande de meuble selon la revendication 7,
    caractérisée en ce que les moyens d'accouplement présentent un troisième levier (68).
  9. Commande de meuble selon la revendication 8,
    caractérisée en ce que le troisième levier (68) est un levier à deux bras, dont un bras de levier (72) est articulé au premier levier (58) et dont l'autre bras de levier (74) est articulé au deuxième levier (64).
  10. Commande de meuble selon la revendication 1,
    caractérisée en ce que l'élément de commande est un élément de commande mobile dans le sens linéaire.
  11. Commande de meuble selon la revendication 1,
    caractérisée en ce que l'élément de réglage (38) peut être relié de façon résistante à la torsion à un arbre (20) monté en étant mobile autour d'un axe, lequel arbre, dans la position de montage de la commande de meuble (36), est en liaison active avec une pièce du meuble (8, 16) pour l'ajuster.
  12. Commande de meuble selon la revendication 11,
    caractérisée en ce que l'élément de réglage (38) pour former une liaison résistant à la torsion peut être relié par correspondance de forme à l'arbre (20).
  13. Commande de meuble selon la revendication 12,
    caractérisée en ce que l'arbre (20) présente une section transversale ovalisée et s'engage, dans la position de montage de la commande de meuble (36), par correspondance de forme dans un évidement (42) de l'élément de réglage (38), lequel évidement est formé en étant sensiblement complémentaire à la section transversale de l'arbre (20).
  14. Commande de meuble selon la revendication 13,
    caractérisée en ce que l'évidement (42) de l'élément de réglage (38) est réalisé ouvert dans le sens radial de l'arbre (20).
  15. Commande de meuble selon la revendication 14,
    caractérisée en ce qu'il est prévu des moyens de verrouillage pour verrouiller l'arbre (20) dans l'évidement (42).
  16. Dispositif de support réglable par moteur pour le rembourrage d'un siège et/ou d'un lit, par exemple le matelas d'un lit, comportant une première pièce support et au moins une deuxième pièce support pour soutenir à plat le rembourrage, la première pièce support et la deuxième pièce support étant reliées entre elles de façon articulée et pouvant pivoter l'une par rapport à l'autre par l'intermédiaire d'un dispositif de commande,
    caractérisé en ce que le dispositif de commande présente au moins une commande de meuble (36) selon l'une des revendications précédentes.
  17. Dispositif de support selon la revendication 16,
    caractérisé en ce que le dispositif de support (2) est réalisé sous la forme d'un cadre à lattes.
  18. Siège et/ou lit,
    caractérisé en ce qu'il présente un dispositif de support (2) selon la revendication 16 ou 17.
EP02772121A 2001-08-08 2002-08-05 Entrainement de meuble destine a deplacer des elements d'un meuble les uns par rapport aux autres Expired - Lifetime EP1416832B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10138025A DE10138025A1 (de) 2001-08-08 2001-08-08 Möbelantrieb zum Verstellen von Teilen eines Möbels relativ zueinander
DE10138025 2001-08-08
PCT/EP2002/008694 WO2003015585A1 (fr) 2001-08-08 2002-08-05 Entrainement de meuble destine a deplacer des elements d'un meuble les uns par rapport aux autres

Publications (3)

Publication Number Publication Date
EP1416832A1 EP1416832A1 (fr) 2004-05-12
EP1416832B1 true EP1416832B1 (fr) 2006-06-21
EP1416832B2 EP1416832B2 (fr) 2010-08-18

Family

ID=7694208

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02772121A Expired - Lifetime EP1416832B2 (fr) 2001-08-08 2002-08-05 Entrainement de meuble destine a deplacer des elements d'un meuble les uns par rapport aux autres

Country Status (7)

Country Link
US (1) US20040169408A1 (fr)
EP (1) EP1416832B2 (fr)
JP (1) JP2004538073A (fr)
CN (1) CN100346731C (fr)
AT (1) ATE330514T1 (fr)
DE (3) DE10138025A1 (fr)
WO (1) WO2003015585A1 (fr)

Cited By (1)

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DE102007041777A1 (de) 2007-09-04 2009-03-05 Linrot Holding Ag Elektromotorischer Möbelantrieb

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DE10157650C1 (de) 2001-11-26 2003-04-24 Cimosys Ltd Elektromotorischer Möbelantrieb zum Verstellen von Teilen eines Möbels relativ zueinander
DE10200169A1 (de) * 2002-01-04 2003-07-17 Cimosys Ag Goldingen Möbelantrieb zum Verstellen von Teilen eines Möbels relativ zueinander
FR2871671A1 (fr) * 2004-06-21 2005-12-23 Le Bed Sas Bloc de positionnement manuel pour structure de couchage a tete et/ou pieds relevables et structure de couchage equipee dudit bloc de positionnement manuel
DE102006017972B4 (de) * 2006-04-13 2018-03-01 Dewertokin Gmbh Nachrüstsatz für ein Hubbett mit Zugmittelverstellung und Hubbett
DE112008001416A5 (de) * 2007-06-28 2010-10-28 Linrot Holding Ag Elektromotorisch verstellbare Stützeinrichtung
DE202008016049U1 (de) * 2008-12-03 2010-04-15 Dewert Antriebs- Und Systemtechnik Gmbh Doppelantrieb für Möbel
DE102012219113A1 (de) * 2011-11-09 2013-05-16 Dewertokin Gmbh Elektromotorischer Linearantrieb, insbesondere zum Verstellen von Liege- und Sitzmöbeln
DE202015101316U1 (de) * 2015-03-13 2016-06-15 Dewertokin Gmbh Elektromotorischer Doppelantrieb
EP3207828B1 (fr) * 2016-02-16 2018-09-26 DewertOkin GmbH Commande de meuble
DE202016100782U1 (de) * 2016-02-16 2017-05-18 Dewertokin Gmbh Möbelantrieb
TWI803397B (zh) * 2022-07-21 2023-05-21 施權航 電動床

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CN100346731C (zh) 2007-11-07
EP1416832A1 (fr) 2004-05-12
CN1564667A (zh) 2005-01-12
WO2003015585A1 (fr) 2003-02-27
ATE330514T1 (de) 2006-07-15
DE10138025A1 (de) 2003-05-22
DE10293669D2 (de) 2004-10-28
US20040169408A1 (en) 2004-09-02
JP2004538073A (ja) 2004-12-24
EP1416832B2 (fr) 2010-08-18
DE50207317D1 (de) 2006-08-03

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