WO2011157324A1 - Mécanisme de basculement pour dossiers - Google Patents

Mécanisme de basculement pour dossiers Download PDF

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Publication number
WO2011157324A1
WO2011157324A1 PCT/EP2011/002280 EP2011002280W WO2011157324A1 WO 2011157324 A1 WO2011157324 A1 WO 2011157324A1 EP 2011002280 W EP2011002280 W EP 2011002280W WO 2011157324 A1 WO2011157324 A1 WO 2011157324A1
Authority
WO
WIPO (PCT)
Prior art keywords
backrest
housing
folding
rotor
freewheeling
Prior art date
Application number
PCT/EP2011/002280
Other languages
German (de)
English (en)
Inventor
Dirk Frommholz
Original Assignee
Volkswagen Aktiengesellschaft
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 Volkswagen Aktiengesellschaft filed Critical Volkswagen Aktiengesellschaft
Publication of WO2011157324A1 publication Critical patent/WO2011157324A1/fr

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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/32—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles convertible for other use
    • B60N2/36—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles convertible for other use into a loading platform
    • 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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
    • B60N2/3002—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements
    • B60N2/3004—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements by rotation only
    • B60N2/3009—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements by rotation only about transversal axis
    • B60N2/3013—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements by rotation only about transversal axis the back-rest being hinged on the vehicle frame
    • 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
    • B60N2205/30—Seat or seat parts characterised by comprising plural parts or pieces
    • B60N2205/35—Seat, bench or back-rests being split laterally in two or more parts
    • 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
    • B60N2205/40—Dual or redundant actuating means, e.g. backrest tilting can be actuated alternatively by a lever at the backrest or a lever in the luggage compartment

Definitions

  • the invention relates to a folding mechanism for backrests of vehicle seats and split or undivided backrests of rear seats.
  • Backrest is made, which are hinged about pivot axes, the seat can be set forward and the backrest in a designated recess of the vehicle floor group is hinged.
  • backrests are known, as published for example in DE 298 05 901 U1, which are foldable after releasing a lock only on the rear seat.
  • the operation of the locking and unlocking is usually done by hand, but can also be remotely from the driver's seat or the trunk by a variety of methods, such as cable, electric, pneumatic or hydraulic control with known means.
  • a folding backrest To secure the user-friendly operation of a folding backrest is known from DE 10 2006 001 353 A1 discloses a motor vehicle seat having a seat base, which carries a seat cushion and is connected via a hinge fitting with a backrest.
  • the hinge fitting has a locking device for locking the backrest and an adjustment device driven by a motor for folding the backrest.
  • the backrest can be folded forward on the seat cushion and adjusted in its inclination.
  • the hinge fitting has a
  • Adjustment device is connected.
  • the locking device and the adjusting device can be actuated via the same motor. It is also suggested that the
  • Power transmission device comprises a gear driven by the motor, which is connected via a connecting element with the locking device.
  • a connecting element As a connecting element, a connecting rod is provided. This makes it possible that a pawl in response to a rotational movement of the gear can be controlled via the connecting rod.
  • This pawl acts with a silicone brake preferably via a
  • DE 10 2005 061 654 A1 which describes a vehicle seat with two mutually movable components, a reclining side and a seat part side fitting, by operating a locking and unlocking at least temporarily in an unlocked state of change of the reclining side fitting relative to the seat part side fitting part and then be brought back into a locking state. It is envisaged that crash-related to a in the unlocked state
  • Blocking system to be arranged on the reclining side fitting, which substantially comprises a freewheel / ratchet gear engaged with a ring gear of the reclining side fitting as a damped element, which rotatable in a displaceable carriage
  • the freewheel / ratchet wheel with a rotary damper - for example a silicone element - is connected such that the freewheel / ratchet wheel when exceeding the predetermined speed, in particular the
  • Rotation speed locks and the carriage is displaced by the further deflection movement of the reclining side fitting, and the freewheel / ratchet wheel runs while blocking the reclining side fitting on a first blocking element.
  • Damping systems which slow down the folding of a backrest by means of a viscous material, in particular a highly viscous material, such as silicone.
  • a viscous material in particular a highly viscous material, such as silicone.
  • the currently known solutions of DE 10 2005 061 654 A1 and DE 10 2006 001 353 A1 have been developed for joint fittings and are therefore designed to be relatively complex.
  • a relatively large amount of space is claimed, which may still be available in the field of individual seats. Especially with rear seats but the lateral space is very small due to the space-saving and close lateral connection to the body.
  • the invention is based, starting from this prior art, the task of a structurally simple and inexpensive and space-saving and comfortable
  • the object is achieved in that the at least one end of a backrest supporting and body side mounted shaft arranged folding mechanism a freewheel and
  • Locking device and a rotational damping element comprises, which are coupled to one another such that in Umklappides the backrest, in which the backrest works from a substantially vertical position in a substantially horizontal position, a damped folding movement and in the reverse Hochklappides the backrest undamped folding movement is effected ,
  • the folding backrest has a
  • Backrest frame which is at least one end connected rotationally fixed to the shaft, which in turn is rotatably mounted in a body.
  • the backrest is thus pivoted together with the shaft relative to the body.
  • the folding backrest also has a backrest frame, in which the shaft is mounted at least one end, which in turn, however, is rotatably connected to a body.
  • the backrest is thus pivoted on the body-mounted shaft relative to the body.
  • the freewheeling and locking device and the rotational damping element are arranged one above the other in the radial direction of the shaft.
  • the freewheeling and locking device and the rotational damping element are arranged side by side in the axial direction of the shaft.
  • the freewheeling and locking device regardless of the embodiment, a housing which houses a pinion and locking rollers, wherein the pinion is in firm connection with the shaft.
  • Rotor housing which houses a viscous medium and a rotor on a rotor bearing, and is rotatably mounted with its rotor housing by means of a rotor housing bearing on the body.
  • the components are independent of the variant or the design on the one hand so coupled together that the housing of the freewheel and
  • Locking device carries the rotor bearing of the rotor, wherein by blocking the locking rollers on the housing of the freewheeling and locking device in a folding of the backrest in Umklappraum an induced rotational movement of the housing forcibly the rotor entrains, which rotates in the interior of the rotor housing, overcoming a viscous friction force of the viscous medium, so that in the folding of the backrest, a braking effect is caused.
  • Unlocking the locking rollers on the housing of the freewheeling and locking device on the other hand causes when folding the backrest in Hochklappraum no rotational movement of the housing, so that the rotor does not rotate in the interior of the rotor housing, so that in the high lobe of the backrest no braking effect is caused.
  • the folding mechanism of the backrest of the vehicle seat or a rear seat system is used to fold the backrest after unlocking from the substantially vertical position positively controlled and braked in Umklappraum on a seat part or a floor in a substantially horizontal position, wherein a reversed direction done erecting the backrest is unrestrained, which in each case an increased comfort in the operation of the backrest is achieved.
  • the comfort is further increased by the backrest by a remote release
  • the at least one spring element is stretched after its at least partial relaxation in the folding of the backrest in the subsequent folding up the backrest again.
  • Figure 1 is a side view of a vehicle seat or a rear seat system
  • Figure 2A shows a section through a freewheeling and locking device of a
  • FIG. 2B shows a section through a rotational damping element of the folding mechanism
  • Figure 3A shows a section through the folding mechanism in a first embodiment in a wide design, in which the freewheeling and locking device in the axial direction of the folding axis Y1 of the backrest next to the
  • Rotary damping element is arranged
  • Figure 3B is a two-part section through the folding mechanism, according to Figure 3A, which represents the power flow in the upper region, which adjusts to a blocking freewheeling and locking device and which represents the power flow in the lower part, which adjusts itself in a free-running freewheeling and locking device and
  • FIG. 4 shows a section through the folding mechanism in the first embodiment in a narrow design, in which the freewheeling and locking device and the rotational damping element are arranged lying in the radial direction of the folding axis Y1 in a plane, wherein also a two-part section is laid through the folding mechanism, which represents the power flow in the upper area, which adjusts itself to a blocking freewheeling and locking device and which represents in the lower area the power flow which occurs in a freewheeling freewheeling and locking device.
  • the following directions are used for the following description.
  • the usual direction of travel of a vehicle is defined along an x-axis.
  • the vertical axis in a vehicle corresponds to the height axis and is defined as a z-axis, the y-axes transverse to the direction of travel x ..
  • a backrest 1 0 of a vehicle seat or a rear seat 100 thus lies in the normal mounting position on a y-axis , wherein the folding axis of the backrest 140 is always designated and fixed in the following figures with Y1.
  • the backrest 140 thus pivots from a substantially vertical position of use, in which a user can rest with his back on the backrest 140, in a substantially horizontal non-use position. In this
  • Non-use position the backrest 140 of a rear seat system to increase a load compartment occupies a position of use with respect to the increased usable loading volume of the load compartment.
  • Figure 1 shows a side view of a vehicle seat or a rear seat system 100.
  • a vehicle seat has a seat portion 120 and a backrest 140 and a
  • Rear seat has a split or undivided seat and a split or undivided backrest 140.
  • the backrest 140 can after unlocking a Backrest lock 141 in Umklappraum 142 about the axis Y1 forward, in particular on the seat part or the seat 120, to be folded.
  • Unlocking can also be triggered by a remote release element 160 via a connection 150. It is envisaged that the backrest by a prestressed element, in particular a spring element which is attached to the body or the seat part
  • Use position should be as easy and comfortable to execute. When folded up in use position, the operator thus only has to overcome the force for tensioning the prestressed element, which has been expended when folding the backrest 140.
  • Figure 2A shows a section through a freewheeling and locking device 200 of
  • the illustrated freewheeling and locking device 200 provides only one
  • freewheeling and locking device 200 has an element which rotates in a locked freewheeling and locking device 200 together with the backrest 140 or which is in a freewheeling freewheeling and locking device 200 when folding up the backrest 140 does not rotate in upwards direction 143.
  • the freewheeling and locking device 200 has a pinion 230, on which teeth 240 are arranged. Between the teeth 240 of the pinion 230 are so-called blocking rollers 220 within a housing 210.
  • This housing 210 is the mentioned element which rotates depending on the free-running or in the locked state freewheeling and locking device 200 with the backrest 140 or not rotated.
  • the teeth 240 of the pinion 230 are formed such that the locking rollers 220 in a rotational movement of the pinion 230 in the counterclockwise direction about the y-axis Y1, caused by the folding down of the
  • FIG. 2B shows a section through a rotational damping element 300 of the folding mechanism 200, 300.
  • the rotational damping element 300 has a rotor bearing 340, which is connected in a rotationally fixed manner to the housing 210 of the freewheeling and locking device 200.
  • a rotor 330 is rotatably mounted on the housing 210 via the rotor bearing 340.
  • the rotor 330 is located within a rotor housing 310 which is filled with a viscous medium 350.
  • Rotor housing 310 does not rotate.
  • FIG. 3A shows a section through the folding mechanism 200, 300 in a first embodiment variant.
  • the first embodiment the
  • Locking device 200 is arranged in the axial direction of the folding axis Y1 of the backrest 140 adjacent to the rotary damping element 300.
  • the left-hand illustration schematically shows the coupled freewheeling and blocking device 200 and the rotary element 200, 300 in order to further clarify the basic principle.
  • the pinion 230 is fixedly connected to a shaft 170. This arranged at least one end of the backrest 140 shaft 170 is also connected to the
  • the pinion 230 and the locking rollers 220 are surrounded by a housing 210 which is supported on the shaft 170, wherein the housing 210 is guided in the axial direction of the shaft 170 on.
  • the rotor 330 is rotatably mounted with its rotor bearing 340.
  • the associated rotor housing 310 is supported laterally in the axial direction of the shaft 170 on a bearing or bearing block 410 of the body.
  • the backrest 10 is also rotatably mounted on the opposite side as seen along the y-axis in a suitable manner.
  • FIG. 3B shows a two-part section through the
  • Folding mechanism 200, 300 which represents in the upper region, characterized by the upper dotted line, the power flow K142, which occurs at a locked freewheeling and locking device 200.
  • the force flow K143 is also shown analogously with the aid of a dotted line, which adjusts itself in the case of a freewheeling and locking device 200 in free-running position.
  • Umklappraum 142 the backrest is pivoted about the y-axis Y1, whereby the shaft 170 rotates. By the rotation of the shaft 170, the pinion 230 against the
  • Backrest in Hochklappricht 143 is the power flow K143 from the backrest on the seat back frame 140 in the shaft 170. From there, the force is transmitted to the pinion 230, wherein the locking rollers 220, the housing 210 now not rotate, since the teeth 240, the locking pin 220 is not press against the housing 210.
  • Rotation damping element 230 loses its effect, whereby a folding without overcoming the viscous friction force in the rotary damping element 300 is possible.
  • Figure 4 shows analogous to Figure 3 shows a two-part section through the folding mechanism 200, 300 with the same reference numerals, but in the narrow design, again by the Missing gap between the locking rollers 220 and the housing 210 is symbolized that the freewheeling and locking device 200 is in the locked state, whereby at
  • the small gap between the housing 210 and locking rollers 220 can be seen, which symbolizes the freewheel of the freewheeling and locking device 200 and analogous to the previous description when folding the backrest in the folding direction 14 ensures that the power flow K143 interrupted to the rotational damping element 300 is.
  • FIG. 4 It can be seen from FIG. 4 that, in the narrow design, a space-saving arrangement in the lateral region of a backrest 140 of the vehicle seat or a rear bench seat 100 is possible.
  • the shaft 170 in contrast to the first embodiment variant shown and described, can be arranged fixed to the body and guided with its, the body opposite side in the backrest frame 144 of the backrest 140.
  • the backrest 140 is rotatable relative to the non-rotatable shaft 170 and rotatably mounted on the shaft 170.
  • the pinion 230 is no longer rotatably connected to the shaft 170, but is rotationally fixed to the structure of the backrest 140, in particular with a specially designated collar, which is pulled out of the back frame 144 in the axial direction , connected.
  • Rotational motion braked transmits or is out of operation.

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

Abstract

L'invention concerne un mécanisme de basculement pour des dossiers de sièges de véhicules et pour des dossiers divisés ou non de banquettes arrière. Selon l'invention, un mécanisme de basculement disposé à au moins une extrémité d'un arbre (170) logé côté carrosserie et portant le dossier (140) comporte un dispositif de roue libre et de blocage (200) et un élément d'amortissement de rotation (300) qui sont accouplés l'un à l'autre de sorte que, dans la direction de basculement (142) du dossier (140) d'une position sensiblement verticale en une position sensiblement horizontale, le mouvement de basculement est amorti et, dans la direction de relèvement (143) du dossier (140), le mouvement de basculement n'est pas amorti.
PCT/EP2011/002280 2010-06-19 2011-05-07 Mécanisme de basculement pour dossiers WO2011157324A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010024410.4 2010-06-19
DE102010024410A DE102010024410A1 (de) 2010-06-19 2010-06-19 Klappmechanismus

Publications (1)

Publication Number Publication Date
WO2011157324A1 true WO2011157324A1 (fr) 2011-12-22

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PCT/EP2011/002280 WO2011157324A1 (fr) 2010-06-19 2011-05-07 Mécanisme de basculement pour dossiers

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DE (1) DE102010024410A1 (fr)
WO (1) WO2011157324A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012205158A1 (de) * 2012-03-29 2013-10-02 Johnson Controls Gmbh Fahrzeugsitz und Verfahren zum Betrieb eines Fahrzeugsitzes
DE102012221018A1 (de) * 2012-11-19 2014-06-05 Bayerische Motoren Werke Aktiengesellschaft Entfernt lösbarer sitz mit gedämpfter vorwärtsklappbewegung
CN105996516A (zh) * 2016-07-05 2016-10-12 桂林电子科技大学 一种公共座椅

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013101940B3 (de) * 2013-02-27 2014-01-02 Prevent Twb Gmbh & Co. Kg Fahrzeugsitz
DE102013110145B3 (de) 2013-09-16 2014-08-07 Prevent Twb Gmbh & Co. Kg Fahrzeugsitz

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Publication number Priority date Publication date Assignee Title
DE4136363A1 (de) * 1991-11-05 1993-05-06 Audi Ag, 8070 Ingolstadt, De Ruecksitz fuer kraftfahrzeuge
EP0626290A1 (fr) 1993-05-25 1994-11-30 Regie Nationale Des Usines Renault S.A. Siège escamotable pour véhicule automobile
DE29805901U1 (de) 1998-03-31 1998-07-30 TRW Occupant Restraint Systems GmbH & Co. KG, 73553 Alfdorf Baugruppe aus einer umklappbaren Rückenlehne und einer Arretiervorrichtung
DE19827493C1 (de) 1997-08-27 1999-03-11 Johnson Controls Gmbh Sitzkonstruktion insbesondere für Kfz-Rücksitze
WO2001017816A1 (fr) * 1999-09-09 2001-03-15 Keiper Gmbh & Co. Entrainement de dispositif de reglage de la hauteur pour un siege de vehicule
US20020007993A1 (en) * 2000-07-19 2002-01-24 Tok Bearing Co., Ltd Rotary damper
DE20319816U1 (de) 2003-12-17 2005-05-04 Brose Fahrzeugteile Gmbh & Co. Kg, Coburg Kraftfahrzeugsitz
DE202005014492U1 (de) 2005-09-14 2006-01-12 Federnwerke Marienberg Gmbh Regel- und Dämpfungsmechanismus für automatisch umlegbare Sitzlehnen
DE102005061654A1 (de) 2005-12-22 2007-06-28 Volkswagen Ag Fahrzeugsitz mit einem integrierten Rotationsdämpfer zur Blockierung eines entriegelten Fahrzeugsitzes oder eines entriegelten Rastbeschlages
DE102006001353A1 (de) 2006-01-11 2007-07-12 Daimlerchrysler Ag Kraftfahrzeugsitz
EP1873004A2 (fr) * 2006-07-01 2008-01-02 GM Global Technology Operations, Inc. Siège de véhicule automobile doté d'un dossier pouvant pivoter automatiquement de la position d'utilisation en position au repos

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Publication number Priority date Publication date Assignee Title
JPH0668300B2 (ja) * 1990-05-18 1994-08-31 トックベアリング株式会社 一方向ダンパ
JP4709096B2 (ja) * 2006-08-07 2011-06-22 不二ラテックス株式会社 回転ダンパ−装置

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4136363A1 (de) * 1991-11-05 1993-05-06 Audi Ag, 8070 Ingolstadt, De Ruecksitz fuer kraftfahrzeuge
EP0626290A1 (fr) 1993-05-25 1994-11-30 Regie Nationale Des Usines Renault S.A. Siège escamotable pour véhicule automobile
DE19827493C1 (de) 1997-08-27 1999-03-11 Johnson Controls Gmbh Sitzkonstruktion insbesondere für Kfz-Rücksitze
DE29805901U1 (de) 1998-03-31 1998-07-30 TRW Occupant Restraint Systems GmbH & Co. KG, 73553 Alfdorf Baugruppe aus einer umklappbaren Rückenlehne und einer Arretiervorrichtung
WO2001017816A1 (fr) * 1999-09-09 2001-03-15 Keiper Gmbh & Co. Entrainement de dispositif de reglage de la hauteur pour un siege de vehicule
US20020007993A1 (en) * 2000-07-19 2002-01-24 Tok Bearing Co., Ltd Rotary damper
DE20319816U1 (de) 2003-12-17 2005-05-04 Brose Fahrzeugteile Gmbh & Co. Kg, Coburg Kraftfahrzeugsitz
DE202005014492U1 (de) 2005-09-14 2006-01-12 Federnwerke Marienberg Gmbh Regel- und Dämpfungsmechanismus für automatisch umlegbare Sitzlehnen
DE102005061654A1 (de) 2005-12-22 2007-06-28 Volkswagen Ag Fahrzeugsitz mit einem integrierten Rotationsdämpfer zur Blockierung eines entriegelten Fahrzeugsitzes oder eines entriegelten Rastbeschlages
DE102006001353A1 (de) 2006-01-11 2007-07-12 Daimlerchrysler Ag Kraftfahrzeugsitz
EP1873004A2 (fr) * 2006-07-01 2008-01-02 GM Global Technology Operations, Inc. Siège de véhicule automobile doté d'un dossier pouvant pivoter automatiquement de la position d'utilisation en position au repos

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012205158A1 (de) * 2012-03-29 2013-10-02 Johnson Controls Gmbh Fahrzeugsitz und Verfahren zum Betrieb eines Fahrzeugsitzes
DE102012205158B4 (de) * 2012-03-29 2014-11-27 Johnson Controls Gmbh Fahrzeugsitz
DE102012221018A1 (de) * 2012-11-19 2014-06-05 Bayerische Motoren Werke Aktiengesellschaft Entfernt lösbarer sitz mit gedämpfter vorwärtsklappbewegung
US9308840B2 (en) 2012-11-19 2016-04-12 Lear Corporation Remote release seat with damped forward folding
DE102012221018B4 (de) * 2012-11-19 2017-09-14 Bayerische Motoren Werke Aktiengesellschaft Entfernt lösbarer sitz mit gedämpfter vorwärtsklappbewegung
CN105996516A (zh) * 2016-07-05 2016-10-12 桂林电子科技大学 一种公共座椅
CN105996516B (zh) * 2016-07-05 2023-03-24 桂林电子科技大学 一种公共座椅

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