EP1501390B1 - Dispositif de reglage a moteur electrique - Google Patents

Dispositif de reglage a moteur electrique Download PDF

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Publication number
EP1501390B1
EP1501390B1 EP03747415A EP03747415A EP1501390B1 EP 1501390 B1 EP1501390 B1 EP 1501390B1 EP 03747415 A EP03747415 A EP 03747415A EP 03747415 A EP03747415 A EP 03747415A EP 1501390 B1 EP1501390 B1 EP 1501390B1
Authority
EP
European Patent Office
Prior art keywords
adjusting device
drive
coupling
spindles
coupling element
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
EP03747415A
Other languages
German (de)
English (en)
Other versions
EP1501390A1 (fr
Inventor
Andreas Roither
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.)
Dewert Antriebs und Systemtechnik GmbH and Co KG
Original Assignee
Dewert Antriebs und Systemtechnik GmbH and Co KG
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 Dewert Antriebs und Systemtechnik GmbH and Co KG filed Critical Dewert Antriebs und Systemtechnik GmbH and Co KG
Publication of EP1501390A1 publication Critical patent/EP1501390A1/fr
Application granted granted Critical
Publication of EP1501390B1 publication Critical patent/EP1501390B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C20/00Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/04Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/041Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by electric motors
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C20/00Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/08Head -, foot -, or like rests for beds, sofas or the like with means for adjusting two or more rests simultaneously

Definitions

  • the invention relates to an electromotive adjusting device for the adjustable components of a piece of furniture, in particular a slatted base, which is equipped with at least two drive trains, which are driveably connected to a single drive motor and the output members are connected directly or via coupling means to the respective component to be adjusted.
  • the electromotive adjusting devices of the type in question so far used in practice are equipped with two drive motors, to each of which a worm drive is connected.
  • Spindles are driven by the worm gears, on which spindle nuts are mounted, which are secured against rotation.
  • These spindle nuts form the output member of each drive train, which consists of the worm gear, the spindle and the spindle nut.
  • the head and the foot part of a slatted frame is adjusted with the so-called double drives.
  • Such electromotive adjusting devices have proven themselves in practice. However, since they are mass-produced, they should be particularly inexpensive to produce, i. they should be structurally simple. By the two drive motors and the actuators but the cost is significantly adversely affected.
  • the invention has for its object to make an electromotive adjustment of the type described in more detail so that the cost reduction, the number of components, in particular the cost-intensive components can be reduced.
  • the drive motor is followed by a speed reduction drive having a rotational body, preferably a worm wheel, and with one or more coupling elements such positive and / or non-positively connected, that only a drive train can be put into operation.
  • the inventive solution eliminates not only one of the two drive motors, but the only drive motor is designed in terms of performance as if only a furniture component would be adjustable. Due to the coupling of the rotational body of the speed reduction drive only a single worm drive for the two drive trains is necessary.
  • the speed-reducing drive could again be a worm drive, so that in the solution according to the invention a worm drive is also saved.
  • This coupling element could be switchable by means of an electrical switching element, preferably an electromagnet or a lifting magnet. The coupling element comes depending on the switching position with the rotating body in contact.
  • the coupling element on a the output member preferably the spindle nut moving and rotatably driven spindle rotatably mounted.
  • two coupling elements are used. These are formed in a preferred embodiment as in the axial direction, relative to the longitudinal axis of the spindles, movable drawing clutches.
  • it should be made of a magnetizable material, for example of metal, a sintered material or by casting.
  • the electromotive adjusting device includes two spindles 10, 11, which are each part of a drive train.
  • a spindle secured against rotation spindle nut is mounted on each spindle 10, 11, the process in rotation of the spindles 10, 11 in the longitudinal direction of the spindles 10, 11.
  • These spindle nuts can press on an articulation lever to adjust, for example, the head or the foot of a slatted frame. However, they can also be coupled in another way with the components to be adjusted.
  • a worm wheel 12 is loosely mounted rotatably in the illustrated embodiments.
  • This worm wheel 12 is driven by a worm 13 which is mounted on the output pin 14 of an otherwise not shown drive motor rotatably.
  • the output pin of the drive motor could be designed as a worm.
  • two coupling elements 14, 15 are mounted on bushings 16, 17, wherein the bushes 16, 17 rotatably connected to the spindles 10, 11 are connected.
  • the coupling elements 14, 15 can be moved in the longitudinal direction of the spindles 10, 1, however, take with the rotational movement of the worm wheel 12, the spindles 10, 11, provided they are in the operating position.
  • the coupling elements 14, 15 and the drawing clutches are moved by magnets 18, 19 in the longitudinal directions of the spindles 10, 11.
  • the worm wheel 12 is positively connected to the coupling elements 14, 15.
  • the coupling elements 14, 15 are provided with projecting pins 20, 21, which engage in corresponding bores of the worm wheel.
  • the pins 20, 21 come either in engagement or out of engagement with the worm wheel 12.
  • the magnets 18, 19 are provided with two pins in the circumferential grooves of the coupling elements fourteenth , 15 intervene.
  • These coupling elements are annular and can also be connected via the magnets 18, 19 such that entrainment takes place by the worm wheel 12 or that they stand still 12 despite rotation of the worm wheel.
  • the drive of the spindles 10, 11 could take place via two mutually opposite bevel gears. Right angle to the axes of rotation of the bevel gears or to the longitudinal axes of the spindles 10, 11 is then another bevel gear, which could also be switched via a magnet or a similar component and only with a bevel gear in Intervention is. To reduce this central bevel gear could be connected to the worm wheel and therefore run synchronously.
  • the adjusting device has at least two drive trains, which can be driven by a common motor, wherein either either only one drive train can be put into operation, or with a corresponding design of the drive motor on both drive trains.

Landscapes

  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Health & Medical Sciences (AREA)
  • Gear Transmission (AREA)
  • Transmission Devices (AREA)
  • Valve Device For Special Equipments (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Liquid Crystal Substances (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Blinds (AREA)
  • Lock And Its Accessories (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Claims (6)

  1. Dispositif de réglage à moteur électrique pour les composants réglables d'un meuble, en particulier d'un sommier à lattes, qui est équipé d'au moins deux lignes d'entraînement qui peuvent être reliées par une technique d'entraînement à un seul moteur d'entraînement, et dont les organes menés sont raccordés, directement ou par des moyens de couplage, au composant à régler dans chaque cas, caractérisé en ce qu'en aval du moteur d'entraînement est couplé un réducteur de vitesse de rotation (12, 13) qui comporte un corps rotatif, de préférence une roue à vis sans fin (12), et qui peut être relié par complémentarité de formes et/ou à force avec un ou plusieurs éléments de couplage (14, 15), de manière qu'une seule ligne d'entraînement puisse être mise en service.
  2. Dispositif de réglage à moteur électrique selon la revendication 1, caractérisé en ce que l'élément de couplage (14, 15) peut être commandé au moyen d'un élément de commande électrique, de préférence un électro-aimant (18, 19).
  3. Dispositif de réglage à moteur électrique selon la revendication 1 ou 2, caractérisé en ce que chaque élément de couplage peut coulisser sur des douilles, montées solidairement en rotation sur les broches filetées (10, 11), dans la direction longitudinale des broches (10, 11), mais est en liaison d'entraînement avec celles-ci, lors d'une rotation.
  4. Dispositif de réglage à moteur électrique selon la revendication 3, caractérisé en ce que l'élément de couplage est réalisé sous la forme d'un accouplement à traction déplaçable dans la direction axiale, par rapport aux axes longitudinaux des broches (10, 11).
  5. Dispositif de réglage à moteur électrique selon la revendication 1, caractérisé en ce que l'élément de réglage est une roue conique coulissante qui peut être amenée en prise, par au moins un élément de commande, au choix avec une ou plusieurs roues coniques.
  6. Dispositif de réglage à moteur électrique selon une ou plusieurs des revendications précédentes 1 à 5, caractérisé en ce que chaque élément de couplage (14, 15) est constitué d'un matériau magnétisable, par exemple un métal, un matériau fritté ou un matériau obtenu par un procédé de coulée.
EP03747415A 2002-05-03 2003-04-24 Dispositif de reglage a moteur electrique Expired - Lifetime EP1501390B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20207070U DE20207070U1 (de) 2002-05-03 2002-05-03 Elektromotorische Verstelleinrichtung
DE20207070U 2002-05-03
PCT/EP2003/004255 WO2003092443A1 (fr) 2002-05-03 2003-04-24 Dispositif de reglage a moteur electrique

Publications (2)

Publication Number Publication Date
EP1501390A1 EP1501390A1 (fr) 2005-02-02
EP1501390B1 true EP1501390B1 (fr) 2006-06-28

Family

ID=28459030

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03747415A Expired - Lifetime EP1501390B1 (fr) 2002-05-03 2003-04-24 Dispositif de reglage a moteur electrique

Country Status (6)

Country Link
EP (1) EP1501390B1 (fr)
AT (1) ATE331452T1 (fr)
DE (2) DE20207070U1 (fr)
DK (1) DK1501390T3 (fr)
ES (1) ES2268396T3 (fr)
WO (1) WO2003092443A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005062999B4 (de) * 2005-12-30 2016-10-27 Dewertokin Gmbh Elektromotorischer Möbelantrieb
DE202007015811U1 (de) * 2007-11-13 2009-03-26 Dewert Antriebs- Und Systemtechnik Gmbh Möbelantrieb

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2725887B1 (fr) * 1994-10-25 1997-01-03 Neige Jean Francois Dispositif de relevage de matelas
DE19542321A1 (de) * 1995-11-14 1997-05-15 Dewert Antriebs Systemtech Motorischer Verstellantrieb für Lattenroste
DE10017979C2 (de) * 1999-12-23 2002-04-18 Cimosys Ag Goldingen Als Doppelantrieb ausgebildeter Möbelantrieb
DE19962540A1 (de) * 1999-12-23 2001-12-20 Cimosys Ag Goldingen Elektromotorischer Möbelantrieb

Also Published As

Publication number Publication date
ES2268396T3 (es) 2007-03-16
DE20207070U1 (de) 2003-09-18
DK1501390T3 (da) 2006-10-30
DE50304062D1 (de) 2006-08-10
EP1501390A1 (fr) 2005-02-02
ATE331452T1 (de) 2006-07-15
WO2003092443A1 (fr) 2003-11-13

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