EP2838757A1 - Vorrichtung zum elektrischen antrieb einer längsverstellvorrichtung eines fahrzeugsitzes - Google Patents

Vorrichtung zum elektrischen antrieb einer längsverstellvorrichtung eines fahrzeugsitzes

Info

Publication number
EP2838757A1
EP2838757A1 EP13719054.2A EP13719054A EP2838757A1 EP 2838757 A1 EP2838757 A1 EP 2838757A1 EP 13719054 A EP13719054 A EP 13719054A EP 2838757 A1 EP2838757 A1 EP 2838757A1
Authority
EP
European Patent Office
Prior art keywords
rail
planetary gear
drive means
electric drive
rack
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Withdrawn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
EP13719054.2A
Other languages
German (de)
English (en)
French (fr)
Inventor
Ingo Kienke
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 GmbH
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 EP2838757A1 publication Critical patent/EP2838757A1/de
Withdrawn legal-status Critical Current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
    • B60N2/0224—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
    • 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
    • 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
    • B60N2/06—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 slidable
    • 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
    • B60N2/06—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 slidable
    • B60N2/067—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 slidable by linear actuators, e.g. linear screw mechanisms
    • 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
    • B60N2/06—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 slidable
    • B60N2/07—Slide construction
    • 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
    • B60N2/06—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 slidable
    • B60N2/07—Slide construction
    • B60N2/0702—Slide construction characterised by its cross-section
    • B60N2/0712—H or double T-shaped
    • 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

Definitions

  • the invention relates to a device for the electric drive of a longitudinal adjustment device of a vehicle seat.
  • Single rails of the length adjustment device is arranged, driven.
  • Drive shafts distribute the torque of the drive motor between the two individual rails and drive one each
  • Gear unit which at least from a spindle and a
  • Worm gear is formed.
  • Such longitudinal adjustment devices are known for example from DE 35 19 058 A1 and DE 10 2006 045 483 A1.
  • the device for the electric drive of a longitudinal adjustment device of a vehicle seat with two individual rails comprises a separate electric drive means for each individual rail, wherein the electric drive means each electromechanically actuated
  • Planetary gear arrangement is formed. This allows a compact electric drive a Leksverstellvorraum.
  • Planetary gear arrangement necessary control electronics, which advantageously operates without separate sensors, a synchronous drive allows both rails of Leksverstellvortechnische without additional complex control and / or control measures.
  • Planetary gear assemblies with a single planetary gear can be provided as a drive means for the two individual rails, wherein the planetary gear arrangement / s synchronously drive the individual rails.
  • Leksverstellvortechnische invention is formed spindle-free.
  • a weight of an electrically driven L jossverstellvoroplasty a vehicle seat is significantly reduced by means of the device according to the invention, as well as facilitates their installation.
  • a rail spacing between the two individual rails in the vehicle is variably adjustable without changing a conventional motor bridge and / or the corresponding drive shafts have to. This increases variability and allows use
  • Vehicle occupants is increased.
  • space for a drawer can be created below the vehicle seat.
  • Longitudinal spindle is disposed within the rail profile.
  • the electromechanically actuated planetary gear arrangement comprises electrical
  • a drive unit formed from a planetary gear arrangement with a plurality of planetary gears is particularly compact and inexpensive.
  • Such a planetary gear arrangement is described, for example, in international patent application WO 2012/152727 A1, which is hereby incorporated by reference.
  • the electromechanically actuated planetary gear arrangement is arranged fixed to the frame on an outer rail of the respective individual rail of the longitudinal adjustment device, wherein a toothed rack positively, materially and / or non-positively as well as fixed to the frame at least in sections on an inner rail of the respective
  • the electromechanically actuated planetary gear assembly is fixedly coupled in use with a seat base and a vehicle structure, whereby an electrical contact is simplified.
  • the electromechanically actuated planetary gear arrangement can expediently be arranged on the inside of the outer rail and held reversibly by means of at least one motor holder.
  • the electromechanically actuated planetary gear arrangement is arranged to save space below a seat surface of the vehicle seat outside a direct field of view.
  • electromechanically actuated planetary gear arrangement can be arranged on the outside of the outer rail and at least
  • the electromechanically actuated planetary gear arrangement is arranged fixed to the frame on the inner rail of the respective individual rail of the longitudinal adjustment device, wherein the
  • the electromechanically actuated planetary gear assembly is fixedly coupled in use with the vehicle seat and moves in a seat adjustment with this relative to the seat base and vehicle structure.
  • the electromechanically actuated planetary gear arrangement advantageously arranged on the inside of the inner rail and at least partially in a corresponding receiving opening, which is formed in the inner rail, reversibly arranged and held. This is the electromechanically actuated
  • Planetary gear arrangement arranged to save space below a seat surface of the vehicle seat outside a direct field of view.
  • Planetary gear arrangement on the respective single rail allows a simple and uncomplicated replacement of a defective
  • a groove is formed in the base of the outer rail, which is formed corresponding to a spur gear of the electromechanically actuated planetary gear arrangement, the spur gear is at least partially disposed within the groove and on flanks of the groove, the rack and an anvil or shaped are.
  • At least one holding section is formed or formed on a lower end region of the inner rail, on or on which the electric drive means at least partially on or rests and being formed at the base of the outer rail at least one further holding portion such angled or arranged, that the rack or the counter-holder is arranged on this holding section.
  • a power transmission between the electric drive means and the single rail by means of a rotationally fixed to a drive shaft of the electromechanically actuated planetary gear arrangement arranged spur gear, which is designed corresponding to the rack and meshingly engages in this.
  • the spur gear of the electromechanically actuated planetary gear arrangement may be coupled to a further gear, which is in meshing engagement with a second rack.
  • a further gear which is in meshing engagement with a second rack.
  • Embodiment significantly improved crash safety.
  • Figure 1 schematically a perspective view of a
  • FIG. 2 shows schematically a sectional view of an electrically movable
  • FIG. 3 is a schematic sectional view of an electrically movable one
  • FIG. 4 schematically shows a perspective view of a
  • Rail system of a longitudinal adjustment of a vehicle seat in a second embodiment wherein the electric drive means is arranged on a vehicle body and the rail system is made of aluminum,
  • Figure 5 schematically shows a sectional view of an electrically movable
  • Figure 6 schematically a sectional view of an electrically movable
  • Figure 7 schematically a sectional view of an electrically movable
  • FIG. 8 is a schematic sectional view of an electrically movable one
  • Embodiment variant wherein the electric drive means is arranged on a vehicle seat and the rail system consists of steel, schematically a sectional view of an electrically movable single rail with an inside arranged on an inner rail electric drive means in a third embodiment, wherein the electric drive means is arranged on a vehicle seat and the Rail system made of steel,
  • FIG. 10 is a schematic sectional view of an electrically movable one
  • Figure 1 schematically a sectional view of an electrically movable
  • FIG. 12 is a schematic sectional view of an electrically movable one
  • the electrical Drive means is arranged on a vehicle seat and the rail system is made of steel
  • Figure 13 schematically a side view of an electrically movable
  • Figure 14 schematically shows a side view of a variant of an electrically movable single rail with two spur gears and two racks.
  • FIG. 1 shows schematically a perspective view of an electric motor movable single rail 1 of a non-illustrated, in particular straight or curved running,
  • Rail system of a longitudinal adjustment of a vehicle seat in a first embodiment
  • the single rail 1 is part of a rail system for seat adjustment of a vehicle seat in the longitudinal direction of the vehicle for positioning a vehicle occupant.
  • a rail system is as
  • conventional rail system is formed and includes two
  • each individual rail 1 comprises an outer rail 2 and a
  • Inner rail 3 On the outer rail 2 while conventional fastening means 27 may be arranged, which are formed for example as tabs and allows attachment of the single rail 1 to a vehicle body.
  • the outer rail 2 shown in Figure 1 and the inner rail 3 are made of steel or a steel alloy.
  • the outer rail 2 is fixed in a conventional and not shown manner on a vehicle floor of a vehicle and preferably aligned in the longitudinal direction of the vehicle.
  • a conventional vehicle seat is arranged on the inner rail 3.
  • Outside rail 2 is thus the vehicle seat in the vehicle longitudinally displaceable.
  • the outer rail 2 surrounds the inner rail 3 below and above.
  • the outer rail 2 in this case has a nearly C-shaped profile cross section with two outer legs 4.
  • Inner rail 3 are respectively corresponding to the receiving rail profile, in particular the outer legs 4, the outer rail 2 formed.
  • the end regions 5 of the inner rail 3 preferably have a Y-shaped cross section.
  • conventional rolling bodies 26 are rotatably arranged between the two rails 2, 3 on the upper side and underside in FIG.
  • rolling elements 26 are preferably conventional
  • each individual rail 1 of the longitudinal adjustment device is assigned a separate electrical drive means 6. That's it
  • Planetary gear arrangement in particular as a wobble mechanism formed.
  • Such a planetary gear arrangement can in a preferred
  • Embodiment include multiple planetary gear and generate particularly high torques at relatively low speeds.
  • a drive unit formed from a planetary gear arrangement with a plurality of planetary gears is particularly compact and inexpensive and, for example, in the international patent application
  • the electric drive means 6 is fixed to the frame on an outer rail 2 of
  • Single rail 1 arranged the Leksverstellvorraum and thus fixedly coupled in use with a seat base and a vehicle structure.
  • Single rail 1 is effected by means of a on a drive shaft 7 of the electric drive means 6 arranged spur gear 8, which arranged on one of the inner rail 3 at least partially
  • the rack 9 is fixed to the frame, for example, form, material and / or non-positively, on the inner rail 3, in particular in the region of one of the end portions 5, respectively.
  • a rail spacing between the two individual rails 1 in the vehicle is variably adjustable without having to change a motor bridge and / or the corresponding drive shafts. This increases variability and allows the use of the individual rails 1 in different vehicles.
  • Figure 2 shows schematically a sectional view of an electric
  • the electric drive means 6 is held on a motor holder 1 1 in a conventional manner.
  • the motor holder 1 1 is the single rail 1 above and / or below encompassing
  • screws reversibly held.
  • Motor holder 1 1 are materially arranged on the outer rail 2 and the electric drive means 6 is reversibly attached to the motor holder 1 1 in a conventional manner.
  • a counter-holder 13 is preferably arranged, which acts on the spur gear 8 on the opposite side of the rack 9 and such a lifting of the
  • Counter-holder 13 provided with a sliding layer, which reduces wear of the counter-holder 13.
  • Figure 3 shows schematically a sectional view of an electrically movable single rail 1 according to Figure 1 with the outside of the outer rail 2 arranged electric drive means 6.
  • the base 10 is referred to as the outer side of the outer rail 2.
  • Outer rail 2 is formed, arranged and held.
  • FIG. 4 schematically shows a perspective view of a single-rail, movable by way of an electric motor, of a rail system, not shown in more detail, of a longitudinal adjustment device of a vehicle seat in a first embodiment variant.
  • Outer rail 2 and inner rail 3 made of a light metal
  • outer leg 4 of the outer rail 2 and the end portions 5 of the inner rail 3 are correspondingly reinforced.
  • Outer rail 2 and inner rail 3 are preferably produced in an extrusion process.
  • two rows of rolling elements 26 can be arranged side by side on the underside of the inner rail 3.
  • Figure 5 shows schematically a sectional view of an electric
  • Embodiment corresponds essentially to the embodiment of Figure 2 with the difference that the motor holder 1 1 frontally and / or upper side by means of conventional fastening means 12 is held on the outer rail.
  • Motor holder 1 1 are materially arranged on the outer rail 2 and the electric drive means 6 is reversibly attached to the motor holder 1 1 in a conventional manner.
  • FIG. 6 schematically shows a sectional view of an electric
  • Outer rail 2 is formed, arranged and held.
  • the electric drive means 6 is fixed to the frame on the inner rail 3 of the single rail 1 of
  • Longitudinal adjustment arranged and is thus fixed in operation coupled to the vehicle seat and moves in a seat adjustment with this relative to seat base and vehicle structure.
  • Single rail 1 is effected by means of the arranged on the drive shaft 7 of the electric drive means 6 spur gear 8, which acts on a at least partially arranged on the outer rail 2 rack 9.
  • the rack 9 is fixed to the frame, for example, form, material and / or non-positively, arranged on the outer rail 2.
  • Figure 7 shows schematically a sectional view of the electric
  • movable single rail 1 according to Figure 1 with an inner side of the inner rail 3 arranged electric drive means 6 in a first embodiment.
  • the side facing away from the base 10 of the outer rail 2 side of the inner rail 3 is referred to as the inside of the inner rail 3.
  • the electric drive means 6 is at least partially arranged and held in a corresponding receiving opening 14, which is formed in the inner rail 3, for example as a through hole.
  • the spur gear 8 is arranged such that it with the
  • Rack 9 is in meshing engagement.
  • Counterholder 13 are formed in this embodiment as separate components and on the substantially planar base 10 of
  • External rail 2 fixed to the frame form, material and / or non-positively attached.
  • Figure 8 shows schematically a sectional view of the electric
  • the spur gear 8 is formed corresponding to the spur gear 8.
  • the spur gear 8 is arranged at least partially within the groove 15.
  • the rack 9 and the counter-holder 13 are correspondingly shaped or formed. This attachment or shaping can take place in one piece in a preferred embodiment.
  • Figure 9 shows schematically a sectional view of the electric
  • Holding portions 18 such angled formed or arranged so that the rack 9 is arranged on one of these holding portions 18, while the other holding portion 18 of the anvil 13 is arranged.
  • Figure 10 shows schematically a sectional view of the electric
  • movable single rail 1 according to Figure 4 with an inner side of the inner rail 3 arranged electric drive means 6 in a first embodiment.
  • the side facing away from the base 10 of the outer rail 2 side of the inner rail 3 is referred to as the inside of the inner rail 3.
  • the electric drive means 6 is at least partially arranged and held in a corresponding receiving opening 14, which is formed in the inner rail 3, for example as a through hole.
  • the receiving opening 14 can be extended stepwise to the Kappelmotor 6 out.
  • the spur gear 8 is arranged such that it with the
  • Rack 9 is in meshing engagement.
  • Counterholder 13 are formed in this embodiment as separate components and on the substantially planar base 10 of
  • External rail 2 fixed to the frame form, material and / or non-positively attached.
  • a holding portion 18 is formed bent or arranged such that at this
  • Figure 1 1 shows schematically a sectional view of the electric
  • FIG. 12 schematically shows a sectional view of the electrical system
  • Such a two-part motor holder 1 1 comprises a first item 19 and a second item 20.
  • the first item 19 is arranged on the inside of the inner rail 3 and the second item 20 at the
  • the inner rail 3 is thus partially surrounded by the individual parts 19, 20 of the two-part motor holder 1 1.
  • each have a receiving opening 21 is formed as a passage opening or bore, said receiving openings 21 corresponding to the
  • Arrangement of the electric drive means 6 are the
  • FIG. 13 shows schematically a side view of the electrically movable single rail 1 according to FIG. 1 with an electrical drive means 6 arranged on the inside of the inner rail 3 by means of a two-part motor holder 11.
  • Receiving openings 14, 21 each have a mounting portion 22,
  • Inner rail 3 are conventional fastening means 23,
  • the item 20 preferably has a groove for guiding the rack 9.
  • Figure 14 shows schematically a side view of a variant of an electrically movable single rail 1 with two
  • the spur gears 8, 24 are formed corresponding to each other and are in meshing engagement, so that a rotational movement of the electric drive means 6 is transmitted from the spur gear 8 to the spur gear 24.
  • Spur gear 24 with the second rack 25 in meshing engagement The rack 9 and the rack 25 are arranged together on the same component of the single rail 1 and move in the same direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)
EP13719054.2A 2012-04-20 2013-04-19 Vorrichtung zum elektrischen antrieb einer längsverstellvorrichtung eines fahrzeugsitzes Withdrawn EP2838757A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102012007760 2012-04-20
DE102012212142.0A DE102012212142B4 (de) 2012-04-20 2012-07-11 Vorrichtung zum elektrischen Antrieb einer Längsverstellvorrichtung eines Fahrzeugsitzes
PCT/EP2013/058138 WO2013156580A1 (de) 2012-04-20 2013-04-19 Vorrichtung zum elektrischen antrieb einer längsverstellvorrichtung eines fahrzeugsitzes

Publications (1)

Publication Number Publication Date
EP2838757A1 true EP2838757A1 (de) 2015-02-25

Family

ID=49290242

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13719054.2A Withdrawn EP2838757A1 (de) 2012-04-20 2013-04-19 Vorrichtung zum elektrischen antrieb einer längsverstellvorrichtung eines fahrzeugsitzes

Country Status (8)

Country Link
US (1) US20150069807A1 (cs)
EP (1) EP2838757A1 (cs)
JP (1) JP2015514631A (cs)
KR (1) KR20150006858A (cs)
CN (1) CN104245410A (cs)
DE (1) DE102012212142B4 (cs)
IN (1) IN2014DN08705A (cs)
WO (1) WO2013156580A1 (cs)

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US20150069807A1 (en) 2015-03-12
WO2013156580A1 (de) 2013-10-24
DE102012212142A1 (de) 2013-10-24
DE102012212142B4 (de) 2014-02-27
JP2015514631A (ja) 2015-05-21
IN2014DN08705A (cs) 2015-05-22
CN104245410A (zh) 2014-12-24

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