EP3092152A1 - Siège de véhicule doté d'un dispositif d'entraînement et dispositif de raccordement sans jeu d'un dispositif d'entraînement - Google Patents

Siège de véhicule doté d'un dispositif d'entraînement et dispositif de raccordement sans jeu d'un dispositif d'entraînement

Info

Publication number
EP3092152A1
EP3092152A1 EP15700033.2A EP15700033A EP3092152A1 EP 3092152 A1 EP3092152 A1 EP 3092152A1 EP 15700033 A EP15700033 A EP 15700033A EP 3092152 A1 EP3092152 A1 EP 3092152A1
Authority
EP
European Patent Office
Prior art keywords
vehicle seat
drive device
spring means
structural part
opening
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Withdrawn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
EP15700033.2A
Other languages
German (de)
English (en)
Inventor
Thorsten Klein-Hitpass
Hilmar Wahlen
Ulli GENUTT
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.)
Adient Luxembourg Holding SARL
Original Assignee
Johnson Controls 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 Johnson Controls GmbH filed Critical Johnson Controls GmbH
Publication of EP3092152A1 publication Critical patent/EP3092152A1/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Withdrawn legal-status Critical Current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
    • B60N2/04—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
    • B60N2/68—Seat frames
    • B60N2/682—Joining means
    • 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
    • B60N2/929—Positioning and locking mechanisms linear
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
    • B60N3/001—Arrangements or adaptations of other passenger fittings, not otherwise provided for of tables or trays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2205/00—General mechanical or structural details
    • B60N2205/20—Measures for elimination or compensation of play or backlash
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
    • F16H2057/125—Adjustment of backlash during mounting or assembly of gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
    • F16H2057/126—Self-adjusting during operation, e.g. by a spring
    • F16H2057/127—Self-adjusting during operation, e.g. by a spring using springs

Definitions

  • the invention relates to a vehicle seat with a drive device comprising a pinion with a toothing of a setting kinematics of
  • Vehicle seat is in tooth engagement, wherein the drive device to a
  • the invention also relates to a method for play-free connection of a drive device to a structural part of a vehicle seat, wherein the drive device comprises a pinion, which with a toothing of a setting kinematics, in particular a
  • Both vehicle seat height adjuster and back adjuster drive devices for operating or adjusting the seat function are known. These are often electrical drives or mechanical, bidirectional stepping devices whose operating angle is usually 15 to 30 °, and which forward only the respective operating direction and are decoupled on the way back from the output. Such mechanisms are common as load-bearing systems in height adjusters. When used as Lehneneinsteller usually takes over the driven, designed as a gear fitting, backrest fitting the utility and Crashlasten.
  • Known Drive devices are for example in DE 197 09 852 A1 and
  • a drive device known by use includes a pinion geared to a rack of a height adjustment kinematics of the vehicle seat, the drive device being fixed to a structural member of the vehicle seat. During assembly of the drive device this is from
  • Fitter pressed in the direction of meshing and initially held manually in this position.
  • the fitter can release the drive device only when he has secured the position of the drive device relative to the structural part by means of several screws. Inattentiveness during the assembly process, the position of the drive device can again
  • the invention is based on the object, a vehicle seat with a
  • the invention is also based on the object to provide a method for play-free connection of a drive device to a structural part of a vehicle seat and thus a vehicle seat according to the invention.
  • a vehicle seat with a drive device comprising a pinion, which is meshed with a toothing of a Einstellkinematik the vehicle seat, wherein the
  • Drive device is attached to a structural part of the vehicle seat, wherein at least one spring means acts on the drive device in the direction of the tooth engagement with a force.
  • the adjustment kinematics may be a height adjustment kinematics of the vehicle seat.
  • the height adjustment kinematics By means of the height adjustment kinematics, the height of a seat cushion of the vehicle
  • the at least one spring means in particular directly attached to the structural part.
  • the structural member to which the spring means is attached may be the same structural member to which the driving device is attached.
  • the spring means is advantageously formed integrally with the structural part
  • a sheet for example, with the structural part of a sheet, preferably a
  • Sheet steel alloys have sufficient elasticity to a To form spring means.
  • At least the spring means is preferably made of sheet metal, in particular sheet steel.
  • the structural part can also be made of a different material, for example a fiber-reinforced plastic.
  • Spring element can then be introduced as an insert in the fiber-reinforced plastic and partially protrude from this.
  • the at least one spring means preferably acts with a resulting spring force on a housing of the drive device.
  • Spring force preferably acts in the direction of the toothing. At least one component of the resulting spring force acts in the direction of the toothing. The component oriented in the direction of the toothing preferably acts on the housing of the drive device.
  • exactly two spring means act on the drive device.
  • the drive device is fixed statically determined between the two spring means and the tooth engagement prior to attachment to the structural part in the manner of a tripod.
  • the resulting spring force preferably acts in the direction of the toothing. At least one component of the resulting spring force acts in the direction of the toothing.
  • the vehicle seat according to the invention has a
  • Structural part for connecting the drive device which as a
  • the seat frame may have two seat frame side panels and two cross tubes connecting them.
  • the drive device can serve to drive a height adjustment kinematics of the vehicle seat.
  • the drive device may comprise a housing. A part of this housing may pass through an opening in the structural part. Preferably, the dimensions of the opening and of the part of the housing, the extends through the opening, matched to one another such that the drive device can be slightly moved in the direction of the meshing engagement before being fixed to the structural part.
  • the part of the housing which passes through the opening in the structural part may be formed circularly with a first diameter and the opening in the structural part also be formed substantially circular with a second diameter, wherein the second diameter is slightly larger than the first diameter is.
  • Diameter is then preferably twice as large as the tolerances to be compensated to ensure an optimal tooth engagement between the pinion and the teeth of the adjustment kinematics.
  • the at least one spring means is formed as a tab, which extends from an edge region of the opening in the direction of the center of the opening. The tab can rest against the housing and this with a force
  • Tooth engagement This can be achieved, for example, by the fact that exactly one tab is provided, which acts in the direction of the tooth engagement, or exactly two tabs are provided which provide a resultant force in the direction of the tooth engagement.
  • At least one tab or more generally a spring means, exerts a force on the drive device, and this force has a force component in the direction of the tooth engagement.
  • the object is also achieved according to the invention by a method for play-free connection of a drive device to a structural part of a
  • the drive device comprises a pinion, which is meshed with a toothing of a setting kinematics, in particular a contextneinstellkinematik of the vehicle seat, wherein the drive device is acted upon by means of at least one spring means in the direction of tooth engagement with such a force that a possible play between the Pinion and the
  • Gearing is highlighted, and in a further process step, the position of the drive device is secured relative to the structural part.
  • the fuse is made by means of a screw, insbesindere with three screws.
  • the vehicle seat according to the invention and the method according to the invention effect an automatic clearance compensation, by pinion and (counter)
  • Teeth are always positioned at the correct distance from each other.
  • the number of spring means is basically not limited. For space and cost reasons, however, a number of one or two spring means is preferred.
  • 1 is a schematic side view of the vehicle seat
  • FIG. 2 is a perspective detail view of a known from the prior art vehicle seat, wherein a drive device of the
  • Vehicle seat is shown offset in the manner of an exploded view to the rest of the vehicle seat, a seat frame side part of the known from the prior art vehicle seat of Fig. 2,
  • Fig. 5 a Fig. 2 corresponding view according to a first
  • Embodiment of a vehicle seat according to the invention shows a seat frame side part of the vehicle seat from FIG. 5, FIG.
  • FIG. 7 is a view of a part of the elevational view kinematic according to the first embodiment.
  • FIG. 8 shows a seat frame side part according to a second exemplary embodiment of a vehicle seat according to the invention.
  • Fig. 9 a Fig. 7 corresponding view of the second embodiment.
  • the vehicle seat 1 for a motor vehicle is provided with a base 3, for example two seat rail pairs, on the vehicle floor of the vehicle
  • a Hoheneinstellkinematik 5 of the vehicle seat 1 has on both sides of the vehicle seat each a four-bar arrangement, which is formed from the base 3, a front rocker 7, a rear rocker 9 and a seat frame side member 100 of a seat frame 10, which are each interconnected by means of hinges.
  • the seat frame 10 comprises in a known manner on both sides of the vehicle seat each a four-bar arrangement, which is formed from the base 3, a front rocker 7, a rear rocker 9 and a seat frame side member 100 of a seat frame 10, which are each interconnected by means of hinges.
  • the seat frame 10 comprises in a known manner on both
  • Vehicle seat sides per a seat frame side part 100.
  • Seat frame side parts 100 are connected to each other by two transverse tubes 1 1, which extend substantially perpendicular to the extension of the seat frame side parts 100.
  • At least one drive device 20 is provided, which on a vehicle seat side between two gear members of the local four-joint is effective, in this case between one of the two seat frame side parts 100 and a toothed segment 90 which is fixedly connected to one of the two rear wings 9.
  • the toothed segment 90 is presently an L-shaped sheet metal part with two legs, which enclose an angle of approximately 90 ° between them. The two opposite ends of the legs are firmly connected to one of the two rear wings 9, riveted in this case.
  • One of the two legs of the toothed segment 90 has a toothing 95.
  • Teeth 95 having legs is curved around the hinge point between the rear rocker 9 and the seat frame side member 100, so that the teeth 95 is formed correspondingly, in this case convex, curved.
  • the toothed segment may also be a straight or a curved rack in a modification of the embodiment.
  • the drive device 20 has a manually drivable pinion 25 which is in meshing engagement with the toothing 95 of the toothed segment 90.
  • the drive device 20 is connected by means of several screws 30 to the associated
  • the pinion 25 is part of an electromotive drive device, as is known for example from DE 197 09 852 A1. If the drive device 20 is driven, it pivots the two associated transmission elements, in this case the seat frame side part 100 and the rear rocker 9 relative to one another, so that the height of the seat cushion 12 and the back 14 is changed via the height adjustment kinematics 5.
  • the drive device 20 comprises a housing 22 which is arranged largely on the side remote from the seat center side of the seat frame side member 100.
  • the diameter of the opening 105 is slightly larger than the diameter of the part of the housing 22 which passes through the opening 105.
  • Inventive vehicle seat 1 shown, which corresponds to the prior art described above except for the invention described below essential differences.
  • the tabs 1 10 interrupt a circular contour of the circumference of the opening 105 and protrude slightly beyond the rest of the contour curve radially inward, that is in the direction of the center of the opening 105th
  • Each of the two tabs 1 10 comprises a first tab portion 1 1 1 and a second tab portion 1 12.
  • the first tab portion 1 1 1 is connected in the region of a free cut 1 15 to the material surrounding the opening 105 of the seat frame side member 100 and extends largely from there parallel to the seat frame side part 100 and in the direction of the center of the opening 105.
  • the first tab portions 1 1 1 each extend at a, preferably acute, angle ⁇ to a connecting line 120 between the axis of rotation of the pinion 25 and the meshing engagement between the pinion 25 and
  • each of the first tab sections 11 1 passes over into a second tab section 12.
  • the second tab portion 1 12 is angled relative to the first tab portion 1 1 1 and extends within an imaginary circular cylinder through the largely circular
  • Contour profile of the circumference of the opening 105 is defined.
  • Tab section 1 12 runs in the direction of the seat center.
  • the second tab portion 1 12 and the first tab portion 1 1 1 form an angle of approximately 90 ° between them.
  • a transition region between the first tab portion 1 1 1 and the second tab portion 1 12 is defined herein by a bending radius.
  • the first tab portion 1 1 1 can also pass sharp-edged into the second tab portion 1 12.
  • the tabs 1 10 are elastic and act as a spring means on the part of the housing 22, which passes through the opening 105.
  • the lugs formed as spring means 1 10 act on the drive device 20 in the direction of
  • Tongue engagement by the tabs 1 10 slightly resilient when inserting the housing 22 into the opening 105 radially outward.
  • the tabs 1 10 are distributed over the circumference of the opening 105 such that the tabs 10 act on the housing 22 with a resulting spring force, which acts in the direction of the toothing 95.
  • FIGS. 8 and 9 show a second exemplary embodiment of a vehicle seat 1 according to the invention, which corresponds to the previously described first exemplary embodiment except for the differences described below.
  • the tabs 1 10 prior to assembly that is, prior to insertion of the housing 22 into the opening 105, in each case only a first tab portion 1 1 1, which extends in the direction of the center of the opening 105 and in this direction in the Opening 105 protrudes into it, more precisely in the imaginary circular cylinder of the opening 105 protrudes.
  • Tab portion 1 1 1 elastically and plastically deformed, so that a first radially inwardly facing portion of the first tab portion 1 1 1 is bent in the direction of insertion of the housing 22 of the housing 22, in the direction of the center of the seat.
  • Tab portion 1 1 1 1 act against a disassembly of the housing 22 from the opening 105 as barbs. Thereby acting between the ends of the tab portions 1 1 1 and the housing 22, a high friction against the disassembly of the housing 22 from the opening 105. This high friction causes during assembly an additional axial securing of the housing 22 in the opening 105, so that a unwanted leakage of the housing 22 from the opening 105 is prevented even before screwing and tightening the screws 30.
  • assembly of the drive device 20 to the seat frame side member 100 moves through the tabs 1 10 exerted on the housing 22 resulting spring force the drive device 20 so far in the direction of the teeth 95 until the pinion 25 engages without play in the teeth 95. This relative position between the drive device 20 and the seat frame side member 100 is secured by tightening the screws 30. In this way, as in the first
  • Embodiment the tolerances balanced and it is a largely play-free and thus quiet drive the height adjustment kinematics 5 available.

Abstract

L'invention concerne un siège de véhicule (1) doté d'un dispositif d'entraînement (20). Le dispositif d'entraînement comprend un pignon (25) qui s'engrène avec une denture (95) d'un mécanisme cinématique de réglage. Le dispositif d'entraînement (20) est fixé sur une pièce structurale (100) du siège de véhicule (1). Au moins un moyen de ressort (110) applique une force au dispositif d'entraînement (20) en direction de l'engrènement. L'invention concerne en outre un procédé de raccordement sans jeu d'un dispositif d'entraînement (20) à une pièce structurale (100) d'un siège de véhicule (1). Le dispositif d'entraînement (20) comprend un pignon (25) qui s'engrène avec une denture (95) d'un mécanisme cinématique de réglage, notamment d'un mécanisme cinématique de réglage en hauteur (5) du siège de véhicule (1). Selon le procédé, a) le dispositif d'entraînement (20) est soumis à l'action d'une force en direction de l'engrènement par au moins un moyen de ressort (110) de telle manière qu'un jeu éventuel entre le pignon (25) et la denture (95) est éliminé et b) dans une autre étape de procédé, la position du dispositif d'entraînement (20) par rapport à la pièce structurale (100) est fixée.
EP15700033.2A 2014-01-07 2015-01-05 Siège de véhicule doté d'un dispositif d'entraînement et dispositif de raccordement sans jeu d'un dispositif d'entraînement Withdrawn EP3092152A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102014200028 2014-01-07
DE102014207529.7A DE102014207529A1 (de) 2014-01-07 2014-04-22 Fahrzeugsitz mit einer antriebsvorrichtung und verfahren zur spielfreien anbindung einer antriebsvorrichtung
PCT/EP2015/050021 WO2015104228A1 (fr) 2014-01-07 2015-01-05 Siège de véhicule doté d'un dispositif d'entraînement et dispositif de raccordement sans jeu d'un dispositif d'entraînement

Publications (1)

Publication Number Publication Date
EP3092152A1 true EP3092152A1 (fr) 2016-11-16

Family

ID=53443357

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15700033.2A Withdrawn EP3092152A1 (fr) 2014-01-07 2015-01-05 Siège de véhicule doté d'un dispositif d'entraînement et dispositif de raccordement sans jeu d'un dispositif d'entraînement

Country Status (7)

Country Link
US (1) US20160325643A1 (fr)
EP (1) EP3092152A1 (fr)
JP (1) JP6293302B2 (fr)
KR (1) KR20160105522A (fr)
CN (1) CN105899403A (fr)
DE (1) DE102014207529A1 (fr)
WO (1) WO2015104228A1 (fr)

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DE102014207534B4 (de) 2014-04-22 2023-06-15 Keiper Seating Mechanisms Co., Ltd. Fahrzeugsitz mit einer einstellkinematik
DE102017206994B4 (de) 2017-04-26 2019-01-10 Adient Engineering and IP GmbH Fahrzeugsitz mit einer antriebsvorrichtung
DE102017005267A1 (de) 2017-05-29 2018-11-29 Constin Gmbh Vorrichtung zur Verbesserung der Zugänglichkeit des Stauraumes unterhalb von Fahrzeugsitzen
DE202018006872U1 (de) 2017-05-29 2024-01-03 Constin Gmbh Vorrichtung zur Verbesserung der Zugänglichkeit des Stauraums unterhalb von Fahrzeugsitzen
CN107719279A (zh) * 2017-11-07 2018-02-23 江苏旌航汽车有限公司 一种多功能房车
DE102018110525A1 (de) 2018-05-02 2019-11-07 Faurecia Autositze Gmbh Verfahren zur Montage einer Getriebekomponente einer Sitzhöhenverstellung
DE102018117927B4 (de) 2018-07-25 2023-06-22 Keiper Seating Mechanisms Co., Ltd. Fahrzeugsitz
DE102020111489B4 (de) 2020-01-23 2023-06-01 Adient Us Llc Fahrzeugsitz mit einer antriebsvorrichtung
CN116368030A (zh) 2020-11-02 2023-06-30 安道拓美国有限责任公司 车辆座椅

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Also Published As

Publication number Publication date
JP2017502881A (ja) 2017-01-26
KR20160105522A (ko) 2016-09-06
US20160325643A1 (en) 2016-11-10
CN105899403A (zh) 2016-08-24
JP6293302B2 (ja) 2018-03-14
WO2015104228A1 (fr) 2015-07-16
DE102014207529A1 (de) 2015-07-09

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