EP2193043A2 - Mécanisme de verrouillage et siège de véhicule équipé de ce mécanisme de verrouillage - Google Patents

Mécanisme de verrouillage et siège de véhicule équipé de ce mécanisme de verrouillage

Info

Publication number
EP2193043A2
EP2193043A2 EP08802111A EP08802111A EP2193043A2 EP 2193043 A2 EP2193043 A2 EP 2193043A2 EP 08802111 A EP08802111 A EP 08802111A EP 08802111 A EP08802111 A EP 08802111A EP 2193043 A2 EP2193043 A2 EP 2193043A2
Authority
EP
European Patent Office
Prior art keywords
fitting
segment
fitting part
toothing
latching
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Withdrawn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
EP08802111A
Other languages
German (de)
English (en)
Inventor
Oliver Steffen
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.)
Brose Fahrzeugteile SE and Co KG
Original Assignee
Brose Fahrzeugteile SE 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 Brose Fahrzeugteile SE and Co KG filed Critical Brose Fahrzeugteile SE and Co KG
Publication of EP2193043A2 publication Critical patent/EP2193043A2/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Withdrawn legal-status Critical Current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
    • B60N2/235—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 by gear-pawl type mechanisms
    • B60N2/2356—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 by gear-pawl type mechanisms with internal pawls
    • B60N2/236—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 by gear-pawl type mechanisms with internal pawls linearly movable
    • 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

Definitions

  • the invention relates to a locking fitting for a vehicle seat, in particular a
  • Motor vehicle seat with a first fitting part, a relative to the first fitting part rotatable about an axis second, an internal toothing having fitting part, a driven and rotatably mounted about the axis
  • Tooth segment which from the first fitting part with respect to the axis in radial
  • Detent fittings are used to pivot functional parts, such as backrest or head restraints of a seat, for example, within a motor vehicle, in an altered support position, wherein the locking member carrying the part to be pivoted in different angular positions and there in each case against further pivoting or pivoting back is lockable ,
  • a detent fitting in particular for adjustable backrest and support parts of a sitting or lying furniture is known, comprising two mutually pivotable locking lever.
  • the locking levers can be in different
  • the two locking levers are provided at their arcuate, mutually facing ends with similar, intermeshing teeth and interconnected via a coupling member which is hinged to pivot axes, one of which, based on the arcuate end, is centrally connected to one of the two locking levers.
  • a hinge fitting for motor vehicle seats with a drive part which is rotatable about a hinge axis and has a non-circular drive region.
  • the hinge fitting is equipped with a first hinge part, which has an internal toothing, which is centered to the hinge axis, with a second hinge part, which is rotatable in a release position of the hinge fitting relative to the first hinge part about the hinge axis and in a locking position of the hinge fitting not relative to first joint part is movable, with at least two locking arms, each having a tooth portion, which cooperates with the internal toothing, which are each arranged pivotably about a Sperrarmachse, which is arranged on the second hinge part.
  • the locking arms each have operating areas with an actuating part, which has a driving area. This is in engagement with the drive area.
  • the actuating member holds in the locking position, the tooth portions of the locking arms in engagement with the internal teeth. In the release position, the tooth areas of the locking arms of the internal teeth are free, whereby an adjustment of the hinge fitting is possible.
  • a spring is present, which is supported on the second hinge part.
  • the spring is arranged between the drive part and the second joint part, so that the spring biases the drive member in a rotational direction of the drive member elastically, that the spring indirectly biased by the engagement of the drive portion and driving portion, the actuating member in the locked position.
  • this object is achieved in that at least one additional clearance compensation element is provided, which is movable for locking relative to the second fitting part until its teeth are interlocked with the internal teeth of the second fitting part, while it can be pressed against a stop is.
  • the invention is based on the fact that in the toothing of the second fitting part engages a pivoting segment as a play compensation segment toothing.
  • the clearance compensation element is locked or unlocked by a kinematics associated with it, for example a cam.
  • the locking force does not act directly on the point of contact of the teeth, but slightly offset in the direction of the segment bearing point. As a result, the locking force is divided proportionally to the toothing and the segment bearing point.
  • the bearing is formed wedge-shaped on the bearing pin or mandrel and is pressed by the locking force without play.
  • the clearance compensation element is configured such that it in the locking direction via a V-shaped tapered guide against a Mandrel trained stop is pressed.
  • Another advantage is an embodiment in which the clearance compensation element is formed like a rocker by being movable on the side facing the internal toothing in a first region around the mandrel and engageable in a second region with its toothing with the internal toothing.
  • the clearance compensation element on the side facing away from the internal toothing side substantially in the middle in relation to the two areas can be moved by a closing force in the direction of the internal toothing.
  • an embodiment of the detent fitting is advantageous in which the clearance compensation element during the displacement substantially completes a pivoting movement.
  • the at least one toothed segment and the clearance compensation element can be actuated jointly by the eccentric.
  • the eccentric is actuated by a non-circular drive shaft.
  • the eccentric comprises a cam plate and a cam, wherein the cam plate acts on the toothed segment and the play compensation segment.
  • the second fitting part as a circular disk with an inner toothing bearing edge portion and a central, opposite the edge portion recessed area is formed.
  • embodiments of the lash adjuster segment can be used, in which the V-shaped guide of the lash adjuster segment is formed by a lateral recess in the lash adjuster segment or by a bore in the lash adjuster segment.
  • At least one spring is mounted between the two fitting parts, which acts as a force storage and exerts a restoring force on the cam plate.
  • the first fitting part comprises on its inside guides for lateral guidance of the at least one toothed segment and / or the play compensation segment.
  • the invention also relates to a seat in a motor vehicle with a seat base, with a seat back and a detent fitting for varying the inclination between the seat bottom and the seat back, wherein the detent fitting comprises the features described above.
  • the seat back can be adjusted without play by a catch fitting according to the invention, without sacrificing comfort due to rattling. Noises that originate from the back, especially in the unloaded state, are avoided.
  • 1, 1a exploded views of a locking fitting according to the invention with the fittings and other components
  • Fig. 3 is a schematic plan view of the internal toothing of movable fitting part with the play compensation element
  • Fig. 4 shows a detail of Fig. 3, enlarged
  • Fig. 5, 6 are plan views of the stationary fitting part in two different directions.
  • Fig. 7, 8 are plan views of the link plate according to the positions of Fig. 5 and 6.
  • a detent fitting 1 (Fig. 1, 1a) comprises a first fixed to the vehicle frame, in particular via the seat bottom, fixed fitting part 2 and a second, in particular together with the back of a vehicle seat, movable fitting part 3.
  • the fitting part 3 is fixed relative to the fitting part 2 in the axial direction.
  • a spring 5 Between the two fitting parts 2, 3, a spring 5, two toothed segments 7, 8, a clearance compensation segment 9 together with a Distanzklötzchen 10, a cam plate 11 and a crank plate 12 are arranged movably.
  • the fixed fitting 2 has on its inner side raised contours 14, 14a, 14b (Fig. 2), as guides for the toothed segments 7, 8 serve.
  • the toothed segments 7, 8 each have circular-toothed teeth 15 and 16, via which they interlock with an internal toothing 17 of a fitting on the fitting part 3 inside collar 18, if by rotation of the driver 13 with simultaneous rotation of the cam plate 11 and the link plate 12 are pressed against the restoring force of the spring 5 to the outside.
  • the mandrel 19 protrudes into a recess 21 of the play compensation segment 9 which widens in a V-shaped manner relative to the internal toothing 17. Due to the V-shape is achieved that simultaneously with the pivotal movement of the cam plate 11 via the Distanzblötzchen 10, the play compensation segment 9 is pressed firmly against the mandrel 19 and tilted in this way backlash with the internal teeth 17 of the fitting part 3.
  • the mandrel 19 simultaneously acts as a stop for the play compensation segment.
  • the recess 21 is, as shown in Fig. 2, open to the internal teeth 17, while alternatively a recess 22 in another embodiment (Fig. 3, 4) has an oval, closed shape. In both cases, however, it is important that it widens towards the internal teeth 17, so that the play compensation segment 9, when the cam plate 11 either directly or indirectly via the blocks 10 a force F approximately in the middle of the play compensation segment 9 exerts on this , is pivoted in the direction of the internal toothing 17, wherein again the mandrel 19 acts on the one hand as a pivot bearing and on the other hand as a stop.
  • the cam plate 11 (Fig. 5, 6) has on its outer contour a plurality of cams 23, which are turned off against the spring force of the spring 5 by rotation in a first position the toothed segments 7, 8 and the play compensation segment 9 of the internal teeth 17 and not keep it engaged.
  • the cams 23 press corresponding projections 24, 25 mounted on the inside of the toothed segments 7, 8 and the blocks 10 outwards so that toothed segments 7, 8 and the play compensation segment 9 engage with the internal teeth 17.
  • the block 10 is guided between the contours 14a, 14b, that it is approximately in the middle of the Play compensation segment 9 presses and this pivoted against the internal teeth 17.
  • the toothed segments 7, 8 and the play compensation segment 9 as well as the cam plate 11 carry on its upper side cam 26, via which the connection with the link plate 12 (Fig. 7, 8) is made.
  • the link plate 12 is connected via cam 27 on the top of the cam plate 11 fixed thereto, while the cam 26 engage in associated scenes of the crank plate 12 to limit the rotational movement of the cam plate 11 and the sliding movement of the tooth segments 7, 8 and the pivoting movement of the lash adjuster segment 9.
  • the position of the link plate 12 shown in FIG. 7 corresponds to the position of FIG. 5, while the position of the link plate 12 shown in FIG. 8 corresponds to the position of FIG. 6.
  • the toothed segments 7, 8 can be replaced by one or more play compensation segments, which are constructed like the play compensation segment 9.
  • the catch fitting 1 can be used for the adjustment of a backrest of a vehicle seat relative to the seat base.
  • the backrest is hereby adjusted by actuation of an associated with the driver 13 of the detent fitting 1 operating lever.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Seats For Vehicles (AREA)

Abstract

L'invention concerne un mécanisme de verrouillage (1) pour un siège de véhicule à moteur, comportant un premier élément de ferrure (2), un deuxième élément de ferrure (3) présentant une denture interne et tournant autour d'un axe relativement au premier élément de ferrure (2), un excentrique (11) monté rotatif autour de l'axe et pouvant être entraîné, et un segment denté (7,8) sur sa face externe, lequel est guidé par le premier élément de ferrure (2) dans le sens radial relativement à l'axe et, soumis à l'action de l'excentrique (11), est guidé radialement vers l'extérieur et coopère radialement, par l'intermédiaire de sa denture externe, avec la denture interne (17) du deuxième élément de ferrure (3) pour verrouiller le mécanisme de verrouillage (1). L'invention est caractérisée en ce qu'au moins un élément compensateur de jeu (9) supplémentaire, pour le verrouillage, est déplacé relativement au deuxième élément de ferrure (3) jusqu'à ce que sa denture soit imbriquée dans la denture interne (17) du deuxième élément de ferrure (3), cet élément compensateur étant simultanément poussé en butée.
EP08802111A 2007-09-14 2008-09-12 Mécanisme de verrouillage et siège de véhicule équipé de ce mécanisme de verrouillage Withdrawn EP2193043A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202007012931U DE202007012931U1 (de) 2007-09-14 2007-09-14 Rastbeschlag und mit Rastbeschlag ausgestatteter Fahrzeugsitz
PCT/EP2008/007558 WO2009036930A2 (fr) 2007-09-14 2008-09-12 Mécanisme de verrouillage et siège de véhicule équipé de ce mécanisme de verrouillage

Publications (1)

Publication Number Publication Date
EP2193043A2 true EP2193043A2 (fr) 2010-06-09

Family

ID=39736535

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08802111A Withdrawn EP2193043A2 (fr) 2007-09-14 2008-09-12 Mécanisme de verrouillage et siège de véhicule équipé de ce mécanisme de verrouillage

Country Status (3)

Country Link
EP (1) EP2193043A2 (fr)
DE (1) DE202007012931U1 (fr)
WO (1) WO2009036930A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009022778A1 (de) * 2009-05-20 2010-11-25 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Rastbeschlag zum Verrasten zweier Fahrzeugteile
DE102010002868B4 (de) * 2010-03-15 2023-07-06 Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Coburg Rastbeschlag zum Verrasten zweier Fahrzeugteile
US10207605B2 (en) 2013-10-04 2019-02-19 Component Engineering Services Gmbh Latching fitting
DE102013226534A1 (de) 2013-12-18 2015-06-18 Component Engineering Services Gmbh Rastbeschlag
DE102019104712A1 (de) 2019-02-25 2020-08-27 Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Coburg Rastbeschlag für einen Fahrzeugsitz

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2750186B1 (fr) * 1996-06-21 1998-08-28 Faure Bertrand Equipements Sa Mecanisme de commande d'un organe rotatif au moyen d'une poignee pivotante, et siege equipe d'un tel mecanisme
DE19814225B4 (de) * 1997-04-03 2006-12-28 Keiper Gmbh & Co.Kg Lehneneinstellbeschlag
DE19816248C1 (de) * 1998-04-11 1999-10-14 Keiper Gmbh & Co Lehneneinstellbeschlag für einen Fahrzeugsitz
DE10102860A1 (de) 2001-01-23 2002-08-01 Keiper Gmbh & Co Beschlag für einen Fahrzeugsitz
US6854802B2 (en) * 2002-10-01 2005-02-15 Fujikiko Kabushiki Kaisha Seat recliner for vehicle
US6910738B2 (en) * 2003-01-28 2005-06-28 Fisher Dynamics Corporation Device and method for assembling a recliner mechanism
DE202004005529U1 (de) 2004-04-08 2004-06-09 Ferdinand Lusch Gmbh & Co Kg Rastbeschlag
JP4653524B2 (ja) * 2005-03-09 2011-03-16 富士機工株式会社 車両用シートリクライニング装置
DE202005009869U1 (de) * 2005-06-23 2006-10-26 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Rastbeschlag für einen Fahrzeugsitz
DE102006032681B4 (de) 2005-07-21 2023-12-21 Keiper Seating Mechanisms Co., Ltd. Gelenkbeschlag für Kraftfahrzeugsitze
EP1757483A1 (fr) * 2005-08-24 2007-02-28 Delta Kogyo Co., Ltd. Dispositif de réglage de l'inclinaison avec engrenages de verrouillage principaux et auxiliaires
DE102006056004B4 (de) * 2006-01-30 2018-04-26 Adient Luxembourg Holding S.À R.L. Gelenkbeschlag für Kraftfahrzeugsitze mit mindestens zwei Sperrarmen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009036930A3 *

Also Published As

Publication number Publication date
WO2009036930A2 (fr) 2009-03-26
WO2009036930A3 (fr) 2009-11-26
DE202007012931U1 (de) 2008-09-04

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