EP1660343A1 - Dispositif de reglage pour siege de vehicule - Google Patents

Dispositif de reglage pour siege de vehicule

Info

Publication number
EP1660343A1
EP1660343A1 EP04764500A EP04764500A EP1660343A1 EP 1660343 A1 EP1660343 A1 EP 1660343A1 EP 04764500 A EP04764500 A EP 04764500A EP 04764500 A EP04764500 A EP 04764500A EP 1660343 A1 EP1660343 A1 EP 1660343A1
Authority
EP
European Patent Office
Prior art keywords
gear
adjuster
vehicle seat
fitting
adjuster according
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.)
Withdrawn
Application number
EP04764500A
Other languages
German (de)
English (en)
Inventor
Rolf Schüler
Ulrich Lehmann
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.)
Johnson Controls Components GmbH and Co KG
Original Assignee
Keiper GmbH and Co
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 Keiper GmbH and Co filed Critical Keiper GmbH and Co
Publication of EP1660343A1 publication Critical patent/EP1660343A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B60N2/2213—Gear wheel driven mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/02246—Electric motors therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/02246—Electric motors therefor
    • B60N2/02253—Electric motors therefor characterised by the transmission between the electric motor and the seat or seat parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/1605—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the cinematic
    • B60N2/161—Rods
    • B60N2/1615—Parallelogram-like structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/1635—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the drive mechanism
    • B60N2/165—Gear wheel driven mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/1635—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the drive mechanism
    • B60N2/1655—Cycloidal or planetary mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/90—Details or parts not otherwise provided for
    • B60N2/919—Positioning and locking mechanisms
    • B60N2/933—Positioning and locking mechanisms rotatable
    • B60N2/943—Stepwise movement mechanisms, e.g. ratchets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/1987—Rotary bodies
    • Y10T74/19884—Irregular teeth and bodies

Definitions

  • the invention relates to an adjuster for a vehicle seat with the features of the preamble of claim 1.
  • An adjuster of this type is provided as a height adjuster in a vehicle seat, the height being adjusted by a movement of rockers.
  • the assigned gear fitting is based on an eccentric principle, which is why, in combination with the rockers, the torque requirement of the overall system fluctuates periodically with the eccentric rotation.
  • a high-torque, heavy-duty motor is conventionally selected, the speed of which is only slightly influenced.
  • the invention is based on the object of improving an adjuster of the type mentioned. This object is achieved by an adjuster with the features of claim 1. Advantageous refinements are the subject of the dependent claims.
  • the fluctuating torque requirement of the system can be at least almost compensated for from the gear fitting designed as an eccentric gear and possibly lever and oscillation of the adjuster, ie the drive of the gear stage can be uniform, in particular at a uniform speed, respectively.
  • a motor drive a motor that is weaker in comparison to the prior art can then be used and is less expensive and less expensive. Noticeable and annoying fluctuations in force are avoided with stepping gears. Overall, comfort is increased by the solution according to the invention.
  • the gear stage is preferably designed as a non-circular gear, i.e. at least one gearwheel, usually two gearwheels for geometric reasons, rotates or rotates around a pivot point deviating from the center of curvature of their toothing.
  • the gears provided are designed for several full rotations, which is made possible, for example, by an at least approximate circular shape, for example at the tip circle. From DE 26 26442 C2 a height adjuster is known which has two elliptical tooth segments, but due to the low transmission ratio with only partial revolutions of the tooth segments very high operating forces have to be exerted which can only be sensibly controlled, in particular, only by using the gear fitting provided according to the invention in the case of a motor drive.
  • the corresponding points or areas of the individual teeth do not usually lie exactly on a common circle in special gearwheels, and only in special cases. Rather, the shape of the connecting line is determined from the distances to the gear pivot point belonging to the respective angle, the size of which in turn is derived from the translation desired at the respective angle.
  • These gears are directly or indirectly supported in their pivot point, which is offset from the center of gravity of the surface, for example by sitting in a rotationally fixed manner on a mounted shaft which then defines the respective axis of rotation.
  • a shaft stub is sufficient to save installation space, although longer waves are also possible.
  • These gears have a pitch circle with a sinusoidal shape, which is adapted to the fluctuations in torque.
  • the single tooth geometry changes continuously with the circumference, in particular the values for profile shift, foot and head height, transition radii change etc.
  • One gear is preferably driven by the motor, while the other gear preferably drives the gear fitting.
  • the gear ratio changes periodically around the mean 1: 1.
  • the gear stage preferably has an almost closed housing, within which the gear wheels are arranged and securely mounted.
  • the gear stage can be integrated in the motor, for example with its gearbox, which is usually present, can be arranged in the same housing.
  • each vehicle seat can be equipped with an adjuster according to the invention, which then ultimately moves a component or entire assembly of the vehicle seat when actuated.
  • Fig. 3 is a perspective view of part of the embodiment from the direction opposite to Fig. 1, and
  • a vehicle seat 1 for a motor vehicle has an adjuster 3 designed as a height adjuster, by means of which the seat cushion 5 together with the backrest 7 can be adjusted in height relative to the vehicle floor of the motor vehicle.
  • an adjuster 3 designed as a height adjuster, by means of which the seat cushion 5 together with the backrest 7 can be adjusted in height relative to the vehicle floor of the motor vehicle.
  • Swing arm 13 and a rear swing arm 15 are hinged, which are each hinged at their other end to a seat frame side part 17, so that a four-bar linkage is defined.
  • a motor 19 attached to the seat frame side part 17 drives, by means of a gear stage 21, which is described in more detail below, a gear fitting 25, which is incorporated in the seat frame side part 17 and which is by means of a drive lever 27 on an arm 29 of the rear rocker arm 15, which is a component of the adjuster 3 and at the same time of the vehicle seat 1 forms, engages and pivots, whereby the adjuster 3 is actuated.
  • the self-locking gear fitting 25 which is known per se, has in its interior a rotating eccentric, which ensures a rolling motion between a spur gear and an internal ring gear, which are each provided on different fitting parts. A full rotation of the eccentric causes the fittings to turn by a few degrees. Due to the rotation of the eccentric, the lever arms and support points change relative to the drive lever 27 within the gear fitting 25, so that a fluctuating torque requirement arises.
  • the gear stage 21 provided between the motor 19 and the gear fitting 21 comprises a first housing part 31 to be attached to the seat frame side part 17 and a second housing part 33 to be connected to the latter to form an almost closed housing, between which a first gear 35 and a second Gear 37 are arranged.
  • the first gear 35 and the second gear 37 are rotatably supported in the two housing parts 31 and 33 by means of bearing bushes 39.
  • a profiled drive shaft stub driven by the motor 19 and defining a first axis of rotation 41 projects through the second housing part 33 and rotatably receives the first gear 35.
  • the first gear 35 meshes the second gear 37, which is non-rotatably seated on a profiled output shaft stub, which defines a second axis of rotation 43, projects through the first housing part 31 and drives the gear fitting 25.
  • the first axis of rotation 41 and the second axis of rotation 43 penetrate the first gear 35 and the second gear 37 at points which, in contrast to conventional gearwheels, do not lie in the center of a circle and thus do not lie in the center of gravity of the tooth geometry, i.e. the gears are out of round in terms of their fulcrum. While the first axis of rotation 41, about which the first gear 35 rotates, and the second axis of rotation 43, about which the second gear 37 rotates, the distance between the contact point of the two gears 35 and 37 changes continuously during one revolution, which results in an equally continuous change in the gear ratio. Each individual tooth of the two gear wheels 35 and 37 is in its geometry, i.e.
  • the gear stage 21 thus forms a non-circular gear.
  • the fluctuating transmission ratio of the gear stage 21 can compensate for the fluctuating torque requirement of the system consisting of gear fitting 25, drive lever 29 and rear rocker 15 in such a way that the motor 19, which is designed as a simple DC motor, can deliver an almost constant torque, i.e. no significant fluctuations in the motor speed occur, which occur would cause annoying noises.
  • Bearing bush first axis of rotation second axis of rotation

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

L'invention concerne un dispositif de réglage (3) pour siège de véhicule, notamment pour siège d'automobile, qui comprend un accessoire de transmission pouvant être entraîné. Ledit accessoire de transmission déplace un élément constitutif du dispositif de réglage (3) et/ou du siège de véhicule (1). Un étage de réduction (21) à rapport de transmission variable est monté en amont dudit accessoire de transmission.
EP04764500A 2003-09-05 2004-08-26 Dispositif de reglage pour siege de vehicule Withdrawn EP1660343A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10341001A DE10341001B3 (de) 2003-09-05 2003-09-05 Einsteller für einen Fahrzeugsitz
PCT/EP2004/009524 WO2005023579A1 (fr) 2003-09-05 2004-08-26 Dispositif de reglage pour siege de vehicule

Publications (1)

Publication Number Publication Date
EP1660343A1 true EP1660343A1 (fr) 2006-05-31

Family

ID=34202392

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04764500A Withdrawn EP1660343A1 (fr) 2003-09-05 2004-08-26 Dispositif de reglage pour siege de vehicule

Country Status (5)

Country Link
US (1) US7306285B2 (fr)
EP (1) EP1660343A1 (fr)
BR (1) BRPI0406553A (fr)
DE (1) DE10341001B3 (fr)
WO (1) WO2005023579A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004007491B4 (de) * 2004-02-13 2006-12-21 Johnson Controls Gmbh Vorrichtung mit einem Aktuator, insbesondere an einem Beschlag zur Verstellung von Teilen eines Fahrzeugssitzes
JP4951944B2 (ja) * 2005-11-17 2012-06-13 アイシン精機株式会社 車両用シートリフター装置のクラッチ装置
JP5509203B2 (ja) * 2008-06-20 2014-06-04 ジョンソン コントロールズ テクノロジー カンパニー 車両シート
CN101342876B (zh) * 2008-08-19 2012-04-11 上海延锋江森座椅有限公司 汽车座椅升降调节装置
DE102009009306B4 (de) 2009-02-12 2019-07-04 Adient Luxembourg Holding S.À R.L. Antriebseinrichtung
DE102009008576B4 (de) * 2009-02-12 2012-01-05 Keiper Gmbh & Co. Kg Antriebseinrichtung
DE102009052582B3 (de) * 2009-11-04 2011-02-24 Keiper Gmbh & Co. Kg Einsteller für einen Fahrzeugsitz und Fahrzeugsitz hierzu
DE102010049864A1 (de) 2010-10-22 2012-04-26 Keiper Gmbh & Co. Kg Einsteller und Fahrzeugsitz hierzu
DE102011006727A1 (de) * 2011-04-04 2012-10-04 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Verstellvorrichtung zum Verstellen eines Fahrzeugteils
WO2013010888A2 (fr) * 2011-07-20 2013-01-24 C. Rob. Hammerstein Gmbh & Co. Kg Dispositif de réglage d'un siège de véhicule à moteur
JP6518546B2 (ja) * 2015-08-04 2019-05-22 テイ・エス テック株式会社 シートリフタ
DE102015216054A1 (de) * 2015-08-21 2017-02-23 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Verstelleinrichtung für einen Fahrzeugsitz
DE102015015878A1 (de) * 2015-12-09 2017-06-14 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Kraftfahrzeug mit höhenverstellbaren Sitz
CN106314218B (zh) * 2016-10-27 2018-08-17 延锋安道拓座椅机械部件有限公司 基于3z齿轮机构的手动座椅调高装置
JP7331741B2 (ja) * 2020-03-11 2023-08-23 トヨタ紡織株式会社 シートリフタ
WO2022234508A1 (fr) 2021-05-06 2022-11-10 Adient Us Llc Système de fixation pour un siège de véhicule et siège de véhicule
DE102021134202A1 (de) 2021-05-06 2022-11-10 Adient Us Llc Beschlagsystem für einen Fahrzeugsitz, sowie Fahrzeugsitz
DE102022121072A1 (de) * 2022-08-19 2024-02-22 Brose Schließsysteme GmbH & Co. Kommanditgesellschaft Antriebsanordnung für die motorische Verstellung eines Funktionselements einer Kraftfahrzeugschlossanordnung im Rahmen eines Verstellvorgangs

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Also Published As

Publication number Publication date
WO2005023579A1 (fr) 2005-03-17
DE10341001B3 (de) 2005-03-17
US20060124820A1 (en) 2006-06-15
US7306285B2 (en) 2007-12-11
BRPI0406553A (pt) 2005-12-20

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