WO2008037754A2 - Dossier de siège pour véhicule à moteur, et siège correspondant - Google Patents

Dossier de siège pour véhicule à moteur, et siège correspondant Download PDF

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Publication number
WO2008037754A2
WO2008037754A2 PCT/EP2007/060237 EP2007060237W WO2008037754A2 WO 2008037754 A2 WO2008037754 A2 WO 2008037754A2 EP 2007060237 W EP2007060237 W EP 2007060237W WO 2008037754 A2 WO2008037754 A2 WO 2008037754A2
Authority
WO
WIPO (PCT)
Prior art keywords
backrest
frame
head module
seat back
seat
Prior art date
Application number
PCT/EP2007/060237
Other languages
German (de)
English (en)
Other versions
WO2008037754A3 (fr
Inventor
Peter Wanke
Jens Buchholz
Original Assignee
Brose Fahrzeugteile Gmbh & Co. Kg, Coburg
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
Priority claimed from DE102006045387A external-priority patent/DE102006045387B4/de
Application filed by Brose Fahrzeugteile Gmbh & Co. Kg, Coburg filed Critical Brose Fahrzeugteile Gmbh & Co. Kg, Coburg
Publication of WO2008037754A2 publication Critical patent/WO2008037754A2/fr
Publication of WO2008037754A3 publication Critical patent/WO2008037754A3/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
    • B60N2/64—Back-rests or cushions
    • B60N2/66—Lumbar supports
    • B60N2/667—Lumbar supports having flexible support member bowed by applied forces
    • 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
    • B60N2/80—Head-rests
    • B60N2/806—Head-rests movable or adjustable
    • B60N2/809—Head-rests movable or adjustable vertically 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
    • B60N2/80—Head-rests
    • B60N2/806—Head-rests movable or adjustable
    • B60N2/838—Tiltable
    • B60N2/853—Tiltable characterised by their adjusting mechanisms, e.g. electric motors

Definitions

  • the invention relates to a seat back for a motor vehicle with an undivided back frame and a corresponding motor vehicle seat.
  • a motor vehicle seat essentially consists of a seat part and a backrest mounted pivotably on it, which usually carries a longitudinally adjustable headrest on its upper side facing away from the seat part.
  • the seat back can be made of several articulated braid parts connected as a so-called crease. Such a split seat back is known for example from DE 689 02 020 T2.
  • the individual backrest parts of a split seat back can be pivoted separately or individually to increase the seating comfort in addition to a pivoting of the entire seat back.
  • a split seat back design is manufacturing technology compared to an undivided and thus in terms of individual backrest areas rigid seat back both manufacturing or assembly technology and in terms of accident safety (crash safety) particularly expensive.
  • the invention is therefore based on the object to provide a seat back for a motor vehicle seat, which is both simple in terms of manufacturing and assembly technology and safety as reliable as possible and comfortable.
  • a seat back comprises an undivided backrest frame and a backrest head module provided as a separate part.
  • the backrest frame has spaced-apart side parts extending in the longitudinal direction of the backrest and a frame upper part or backrest main that extends transversely to the backrest.
  • the backrest head module can be used in the undivided, rigid backrest frame and held pivotally in or on the backrest frame for an individual adjustment possibility in the shoulder region of a user or passenger about a hinge axis extending between the side parts in the region of the frame upper part.
  • the invention is based on the consideration that, on the one hand, a production or assembly technology of simple construction and on the other hand safe and comfortable seat back can be provided when starting from an undivided seat back or a rigid backrest frame comfort aspect is realized by a separate backrest component.
  • This in turn, can be achieved by supplementing an undivided, rigid backrest frame, which already satisfies the production or safety-relevant aspects, with a backrest part which alone provides the desired comfort.
  • a backrest head module i. achievable by a flexible backrest part in the upper backrest area that can be adapted with the simplest possible articulated connection to the production technology already simple and safety-proven undivided frame system.
  • the backrest head module is constructed in several parts and includes a below as well
  • Module crossbar designated module carrier.
  • a pivoting frame is firmly connected, with which in turn a frame-like support stop or support frame is preferably connected via a sliding movably guided adjustment.
  • the adjusting element runs along a sliding or adjusting axis, which extends transversely to the hinge axis formed by the module carrier and spaced therefrom in the backrest longitudinal direction.
  • the pivoting frame is moved about the hinge axis in the pivoting direction, while the backrest head module is moved over the supporting stop on the backrest frame and there preferably supported on the frame top in the manner of an abutment.
  • the adjustment element is preferably driven by an electric motor.
  • the backrest head module is also suitably designed for receiving a headrest.
  • the swing frame is particularly suitable by this U-shaped and the U-legs are formed as a sleeve-shaped frame sides. The frame sides then each take on a support strut of the headrest, which in turn is suitably height-adjustable by electric motor Lehnenlteilsraum.
  • the backrest head module is furthermore advantageously designed for fastening a lumbar support.
  • the backrest head module expediently has two holding elements, for example in the form of holding eyes.
  • lumbar support can be hung in a simple manner.
  • the retaining elements are located on the opposite side of the frame top underside of the hinge axis of the backrest head module.
  • the advantages achieved by the invention are in particular that a high level of comfort is achieved with the same time simple and safe construction of the seat back of a motor vehicle seat by providing and using a separate backrest head part in an otherwise undivided and rigid backrest frame.
  • the provision of such Lehnenkopfteils as a module is particularly advantageous mounting technology and allows such a backrest head module can be retrofitted into existing undivided backrest frame.
  • Such a backrest head module can in principle also be used in conjunction with a split seat backrest.
  • the lumbar support is expediently a flat, sufficiently flexible mat or lattice-like structure which mechanically supports the back of a vehicle occupant in a sufficient manner.
  • the lumbar support can be provided with a plurality of perforations and is preferably formed from a thin plastic plate. This is opposite to a frame upper part in the seat backrest longitudinal direction Hinged frame part or connected to this.
  • FIG. 1 in perspective view a seat back with undivided
  • FIG. 2 shows the backrest head module according to FIG. 1, FIG.
  • FIG. 5a and 5b are side views of the seat back according to FIG. 1 with the backrest head module in two different inclination positions, FIG.
  • FIG. 7 is a schematic side view of the seat back according to FIG. 1 in two different inclination positions of the backrest head module and the lumbar support coupled thereto.
  • Fig. 1 shows a seat back 1 for a motor vehicle seat, the seat part is not shown.
  • the seat back 1 whose usually existing backrest upholstery is not shown, comprises a back frame 2 with two side parts 3, 4 and a frame upper part or backrest main 5.
  • the frame top part 5 connects the two side parts 3 and 4 on the upper side of a backrest 6 opposite the backrest.
  • On the backrest base 6 of the back frame 2 is pivotally connected in a manner not shown with the seat portion of the vehicle seat. Between the side parts 3, 4 and the frame top 5 and the frame bottom 6 a backrest plane is clamped.
  • the backrest 1 can be seen in the backrest longitudinal direction z, along which the back of a passenger between the hip and the head extends, considered as a lower backrest portion facing the back of a lower back and the frame top 5 facing and enclosing this upper backrest area and an intermediate central backrest area divided become.
  • a backrest head module 7 is inserted into the backrest frame 2.
  • the backrest head module 7 is pivotable about a hinge axis A in the x direction of the illustrated coordinate system.
  • the backrest head module 7 has a traverse 8, referred to below as a module carrier, which is connected to the side parts 3 and 4 in an articulated or rotationally movable manner at both ends via joint connections 8a, 8b.
  • a traverse 8 referred to below as a module carrier
  • On the side opposite the frame top 5 side of the hinge axis A is provided to the backrest head module 7 - and there to the module carrier 8 - a ⁇ sencover with two holding elements 9 for suspending the lumbar support 21 shown schematically.
  • the lumbar support 21 extends over the middle backrest region into the lower backrest region.
  • the lumbar support 21 is thus suspended at a certain distance a from the hinge axis A between the side parts 3 and 4 of the backrest frame on the backrest head module 7. This distance is essentially predetermined by the length of the hook-like holding elements 9 and can thus be tuned in a simple manner to the seat back geometry.
  • the backrest head module 7 is designed in several parts.
  • the backrest head module 7 comprises a pivot frame 10 and a support stop 11, also referred to as a support frame.
  • the pivot frame 10 in turn comprises two frame legs 10a, 1b spaced apart and in the backrest direction z and a pivoting crosshead 10c connecting them. This runs at a distance b to the module carrier 8 and thus in the backrest direction z at a distance b above the hinge axis A on the opposite axis of the holding elements 9 parallel to the module carrier 8 in y-
  • the frame-like support stop 11 has a turn at a distance b to the hinge axis A. and parallel to the module carrier 8 extending support cross 11c and two to the frame sides 10a and 10b of the swing frame 10 parallel frame legs I Ia and I Ib on. While the swing frame 10 is fixedly connected via the frame sides or frame legs 10a, 10b to the module carrier 8, the support frame 11 is held with the support cross 11 c on the swing frame 10 and there on the pivoting cross member 10c. This holding connection is designed to slide.
  • an adjusting element 12 is provided, which is preferably designed as driven by an electric or drive motor 13 adjusting spindle.
  • the adjusting element 12 in turn extends approximately at a distance b from the module carrier 8 in the x direction of the illustrated coordinate system and thus runs transversely to the hinge axis A.
  • the drive motor 13 of the adjusting element 12 is in the illustrated embodiment in or in the region of the pivoting traverse 10c and thus in or . arranged or held on the swing frame 10.
  • the padded headrest upper part 16 in Figs. 3 and 4 is omitted.
  • the headrest 15 is height-adjustable by means of an integrated into the backrest head module 7, conveniently in the region of the module carrier 8, for example, electric motor drive 17 in backrest length z in the manner of a straight line.
  • FIGS. 5 a to 6 b illustrate the pivoting or tilting mechanism of the backrest head module 7.
  • Figs. 5a and 6a show the backrest head module 7 in an initial or abutment position
  • Figs. 5b and 6b the backrest head module 7
  • Lehnenkopfmodul 7 is shown in a pivoting or tilting position along the running in the x direction of the coordinate system shown pivoting or pivoting.
  • the pivot frame 10 of the backrest head module 7 is moved about the y axis extending hinge axis A in the pivoting x.
  • the backrest head module 7 inclines in the pivoting direction (+) x forward.
  • the support stop 11 is stationary by the backrest head module 7 on the support stop 11 on Back frame 2 and there on the frame top 5 is supported.
  • the headrest 15 inclines along an arcuate pivoting path c in the pivoting direction (+) x to from.
  • the holding elements 9 of the backrest head module 7 also pivot along an arcuate pivoting path d in the direction of pivoting (+) x of the headrest 15 opposite pivoting direction (-) x.
  • a lumbar support hinged or fastened in the holding elements 9 is thus pivoted backwards in a pivoting direction of the backrest head module 7 in the pivoting direction (+) x due to the opposite pivoting direction (-) x in this region of the holding elements 9.
  • the seat back 1 adapts during an adjustment or inclination movement of the backrest head module 7 not only in the head area, but also in the shoulder and back area of a passenger.
  • the length of the pivoting path d is uniquely determined by the length of the eye-like holding elements 9 or by the distance a of the front ends of the holding elements to the pivot axis A (see Fig .. 1). As a result, a vote of Lordosisver ein to the geometry of the seat back can be achieved in a simple manner.
  • the ratio of the pivoting paths c and d is predetermined essentially by the length of the two lever arms projecting from the pivot axis A.
  • the synchronous pivoting of the holding elements 9 for tilting movement of the headrest 15 is shown in a juxtaposition in a superimposed representation in FIG.
  • the backrest head module is shown in an initial position and a maximum pivoted position.
  • a certain extension of the distance between the suspension of the lumbar support 21 in the eye-like holding elements 9 is due to the lower frame of the seat back.
  • the lumbar support 21 cambers due to this pivoting movement. More specifically, the lumbar support 21 in the front pivotal position of the headrest 15 is comparatively shallow arched and arched in the rear pivot position of the headrest 15 comparatively strong convex toward the vehicle occupant.
  • the aforementioned extension of the distance of the suspension of the lumbar support 21 in the eye-like holding elements 9 to the frame base of the seat back can also be compensated by the suspension of the lumbar support in the seat back itself.
  • the hook-like suspension elements 21 may have a certain elasticity at the upper end of the lumbar support 21 and / or may have the suspension or connection of the lumbar support with the frame lower part over a certain elasticity. Or this elasticity is applied by the material properties of the lumbar support 21 itself.

Landscapes

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

Abstract

L'invention concerne un dossier de siège (1) pour siège de véhicule à moteur, comprenant un cadre de dossier unitaire (2), qui est formé de deux pièces latérales (3, 4) disposées à distance l'une de l'autre, et d'une partie supérieure de cadre (5) s'étendant perpendiculairement au précédent. L'invention est caractérisée en ce que dans le cadre de dossier peut être inséré un module de tête de dossier (7) qui est maintenu pivotant autour d'un axe d'articulation (A) s'étendant entre les pièces latérales (3, 4) dans la zone de la partie supérieure du cadre (5). Le module de tête de dossier peut être produit en tant que composant séparé et peut être adapté, par l'intermédiaire d'une simple jonction articulée, à un système de cadre unitaire d'une conception simple de par sa construction et la technique de sécurité éprouvée.
PCT/EP2007/060237 2006-09-26 2007-09-26 Dossier de siège pour véhicule à moteur, et siège correspondant WO2008037754A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006045387A DE102006045387B4 (de) 2006-03-24 2006-09-26 Sitzlehne für ein Kraftfahrzeug
DE102006045387.5 2006-09-26

Publications (2)

Publication Number Publication Date
WO2008037754A2 true WO2008037754A2 (fr) 2008-04-03
WO2008037754A3 WO2008037754A3 (fr) 2008-05-22

Family

ID=39105616

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/060237 WO2008037754A2 (fr) 2006-09-26 2007-09-26 Dossier de siège pour véhicule à moteur, et siège correspondant

Country Status (2)

Country Link
DE (1) DE202007010292U1 (fr)
WO (1) WO2008037754A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008060486A1 (de) 2008-12-05 2010-06-10 GM Global Technology Operations, Inc., Detroit Stützrahmen zur Integration in die Rückenlehne eines Kraftfahrzeugsitzes und Kraftfahrzeugsitz mit einem solchen Stützrahmen
US8702173B2 (en) * 2010-10-12 2014-04-22 La-Z-Boy Incorporated Furniture member powered headrest rotation and release system
CN107444216A (zh) * 2016-05-31 2017-12-08 长城汽车股份有限公司 用于座椅的肩部调节机构以及座椅

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68902020T2 (de) 1988-07-25 1992-12-03 Sicam Spa Kraftfahrzeugsitz.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6783177B1 (en) * 1999-08-23 2004-08-31 Ikeda Bussan Co. Ltd. Seatback for automobile
JP4133059B2 (ja) * 2002-07-18 2008-08-13 日本発条株式会社 前方可動式ヘッドレストを有する車両用シート
US6779840B1 (en) * 2003-08-27 2004-08-24 Lear Corporation Locking and unlocking mechanism for an active headrest for a vehicle seat

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68902020T2 (de) 1988-07-25 1992-12-03 Sicam Spa Kraftfahrzeugsitz.

Also Published As

Publication number Publication date
WO2008037754A3 (fr) 2008-05-22
DE202007010292U1 (de) 2008-02-21

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