WO2011069604A1 - Siège de véhicule, en particulier siège de véhicule automobile - Google Patents

Siège de véhicule, en particulier siège de véhicule automobile Download PDF

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Publication number
WO2011069604A1
WO2011069604A1 PCT/EP2010/007160 EP2010007160W WO2011069604A1 WO 2011069604 A1 WO2011069604 A1 WO 2011069604A1 EP 2010007160 W EP2010007160 W EP 2010007160W WO 2011069604 A1 WO2011069604 A1 WO 2011069604A1
Authority
WO
WIPO (PCT)
Prior art keywords
fitting
opening
vehicle seat
additional part
structural part
Prior art date
Application number
PCT/EP2010/007160
Other languages
German (de)
English (en)
Inventor
Georg Fischer
Volker SCHÄFER
Günter Franzmann
Werner Liborius
Lars Kramm
Harald Wolsiefer
Original Assignee
Keiper Gmbh & 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 Keiper Gmbh & Co. Kg filed Critical Keiper Gmbh & Co. Kg
Priority to IN2716DEN2012 priority Critical patent/IN2012DN02716A/en
Priority to PL10784708T priority patent/PL2509820T3/pl
Priority to KR1020127017681A priority patent/KR101365126B1/ko
Priority to CN201080050617.4A priority patent/CN102612450B/zh
Priority to JP2012542384A priority patent/JP5504351B2/ja
Priority to EP10784708.9A priority patent/EP2509820B1/fr
Priority to US13/513,899 priority patent/US8973998B2/en
Publication of WO2011069604A1 publication Critical patent/WO2011069604A1/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
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/20—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 tiltable, e.g. to permit easy access
    • 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
    • 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
    • B60N2/225—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 cycloidal or planetary 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
    • B60N2/22—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
    • 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

Definitions

  • Vehicle seat in particular motor vehicle seat
  • the invention relates to a vehicle seat according to the preamble of claim 1.
  • a vehicle seat of this type is known, which are used as Lehneneinsteller fittings attached to adapters as structural parts.
  • Another vehicle seat of this kind is known from DE 20 2005 007 198 U1, whose structural part serving as backrest side rail has a lower material thickness at the upper end, which increases towards the lower end.
  • the invention is based on the object to improve a vehicle seat of the type mentioned. This object is achieved by a vehicle seat with the features of claim 1.
  • Advantageous embodiments are the subject of the dependent claims.
  • the structural part to which the fitting is to be fastened may be any part of the structure of the vehicle seat, for example a backrest side rail, a seat frame side part or an adapter, which is specially designed for the connection of the structure to the fitting and attached to the structure.
  • the fitting can be any adjuster of the vehicle seat, for example a backrest adjuster or a seat tilt adjuster, if appropriate also a seat height adjuster.
  • the term "fitting" should, however, also encompass all other possible gear and locking joints and other joints.
  • the fitting may be, for example, a geared fitting or a detent fitting. In order to To turn the fittings relative to each other, the fitting is driven or unlocked accordingly.
  • the invention is particularly suitable when the outer shape of the fitting is a disc shape, which offers few mounting options.
  • the attachment is preferably carried out by means of a weld, including any geometries and types of welding, such as laser welds, MAG weld beads or individual resistance welding points to be understood.
  • the mounting area is stiffened by other material, namely an additional part relative to the other areas of the structural part, the material thickness is increased only small area, namely in the mounting area.
  • the strength is increased, in particular, higher torques can be transmitted, while over a consistently same, high material thickness with comparable strength Eigenschart weight and cost savings.
  • the additional part is formed separately from the structural part and firmly connected to it (and with the fitting). In the structural part and in the additional part openings are provided whose diameters may be the same or slightly different.
  • the slightly different diameter of the openings facilitate compliance with tolerances by the first opening in the structural part may be made with greater tolerances, and by the relative positioning of a floating tolerance compensation.
  • the aim is, however, that the openings rotate with each other and with the axis of the fitting, around which the transmission rod provided between the transmission rods and about which the fitting parts preferably pivot.
  • the inventive additional part When using the structural part as a backrest side part, it is possible with the inventive additional part to reduce the material thickness of the structural part (and thus the weight), since the shear forces in the material with increasing distance to the axis (ie to the pivot axis of the backrest), ie a larger average knife of the second weld compared to the first weld, become smaller.
  • the material quality of the structural part can also be reduced.
  • a drop shape of the additional part allows a targeted enlargement of the stiffening in the main load direction.
  • other functions can be integrated into the additional part, for example the formation of a stop or the support of a backrest compensation spring.
  • FIG. 1 shows a partially sectioned view of fitting, structural part and additional part
  • FIG. 2 shows an enlarged part of FIG. 1
  • FIG. 3 shows a side view of the structural part with additional part
  • Fig. 4 is a perspective view of an assembly of fitting, additional part and an adapter
  • Fig. 5 is a perspective view of a modification
  • Fig. 6 is a schematic side view of a vehicle seat.
  • a vehicle seat 1 for a motor vehicle has a seat part 3, a back 4, which is mounted by means of a respective fitting 10 on both sides of the vehicle seat on the seat part 3 and is tiltable relative to this and / or freely pivotable.
  • the fittings 10 are present as geared fittings with a self-locking Ex- Center circulation gear formed as described in DE 20 2009 017 81 1 UI or DE 44 36 101 AI, the relevant disclosure of which is expressly incorporated.
  • the fittings 10 have a disk shape, as described for example in DE 20 2009 017 81 1 Ul or in US 6,799,806 A, the relevant disclosure of which is expressly incorporated.
  • the fittings 10 are formed as latching fittings with the same external shape, but an internal structure, as described for example in WO 00/44582 AI.
  • the internal structure of the fittings 10 may differ from these known fittings. It is also possible to combine a single fitting 10 on a vehicle seat side with a hinge on the other vehicle seat side.
  • the two fittings 10 are connected to each other by means of a profiled transmission rod in gear connection.
  • the transmission rod is arranged horizontally and transversely to the direction of travel and rotatable about its own axis A, whose exact position is defined by the fittings 10.
  • a non-rotatably mounted on the transmission rod handwheel (or hand lever) is used for manual operation of the fittings 10.
  • gear fittings also a motorized operation is possible.
  • the following directions refer to the cylindrical coordinate system, which is defined by the axis A.
  • Each fitting 10 has a first fitting part 1 1 and a second fitting part 12, which are rotatable relative to each other by the rotation of the transmission rod drives the fitting 10 (in the case of transmission fitting) or unlocked (in the case of the detent fitting).
  • the two fitting parts 11 and 12 can each inscribed approximately in a circular disc shape.
  • a Umklamm réellesring 13 is provided to accommodate the axially acting forces, so for the axial cohesion of the fitting parts 1 1 and 12, a Umklamm réellesring 13 is provided.
  • the two fitting parts 1 1 and 12 therefore together (with the Umklamm réellesring 13) a disc-shaped unit.
  • the disk shape offers the advantage of a compact design, but precisely because of the small available surfaces, special challenges to the technique of attaching the fitting to the structures of seat part 3 and backrest 4.
  • the attachment of Be 10 to a structural part 15 which is an integral part of the structure of the backrest 4.
  • first opening 16 On the structural part 15 a - at least approximately circular cylindrical - first opening 16 is formed, which is surrounded by a mounting portion 18 annular (or arcuate).
  • the first opening 16 can also have a different geometry, for example a star shape or another shape with cyclic symmetry with respect to the axis A.
  • a blank for the structural part 15 is punched out and optionally the outer edge 15a of the structural part 15 generates, for example, an edge, possibly in the same operation, bent by about 90 °.
  • a central region is punched out as a first opening 16 within a substantially planar, circular region which can be raised in the same direction (for example by two material thicknesses) as the outer edge 15a.
  • the annular shape (or arcuate shape) of the attachment portion 18 defines a radial width b (eg, 4 mm) that is significantly smaller than the first diameter D (eg, 60 mm) of the first opening 16.
  • the first diameter D should be that of the circle with the same surface area.
  • the structural part 15 may also be an integral part of the structure of the seat part 3 or a separate adapter connected to the structure of the back 4 or the seat part 3.
  • the application of the invention is not limited to the connection of a fitting 10 on the seat part 3 and backrest 4. Rather, it can be applied to all known in the art connection cases of fittings and components of structural components. For example, in the same way the attachment of a nes fitting for a seat height adjuster, as described in DE 10 3209 008 576 AI.
  • the additional material comes in the present case from an additional part 25, which is formed separately with a second opening 26, preferably punched out of the same sheet.
  • the additional part 25 preferably has a teardrop shape (with a pointed end and a blunt end), the pointed end facing upwards and stiffening the higher loading part of the attachment area 18.
  • the radially projecting region of the additional part 25, which has the pointed end, is disregarded in the definition of the width b of the fastening region 18.
  • the additional part 25 may alternatively be annular. In general, it is possible by means of the geometry adaptation of the additional part 25 to selectively reinforce the structural part 15 in the critical part of the fastening region 18. This way, expensive semi-finished products, such as tailored blanks, can be avoided.
  • the second opening 26 of the additional part 25 preferably has the same geometry as the first opening 16 of the structural part 15.
  • the second opening 26 has a second diameter d.
  • the second diameter d should be that of the circle with the same surface area.
  • the second diameter d (for example 52 mm) of the second opening 26 is smaller than the first diameter D of the first opening 16.
  • the "smaller" additional part 25 and its second opening 26 can be formed with better tolerance than the first opening 16 in the " larger "structural part 15. Due to their larger diameter D, therefore, the first opening 16 can also be formed slightly offset from the axis A and / or with a slightly different diameter.
  • the additional part 25 is on the structural part 15th set so precisely (floating tolerance compensation) that the second opening 26 with the axis A - and depending on the tolerance position with the first opening 16 - is aligned (or aligned). In the projection, the first opening 16 preferably completely encloses the second opening 26.
  • the structural part 15 can be produced more cost-effectively with the larger tolerances.
  • the fitting 10 is attached to a shoulder 10 a having an end face, in this case facing away from the second fitting part 12 end face of the first fitting part 1 1, the additional part 25, wherein the shoulder 10 a is inserted into the second opening 26 and the fitting 10 with the Shoulder 10a surrounding part of its end face rests on the additional part 25.
  • the second opening 26 then receives the shoulder 10a in a form-fitting manner.
  • the first opening 16 receives the fitting 10 at least partially. Basically, several equivalent assembly sequences are conceivable. In the first order of the fitting 10 is attached to the loose additional part 25 (or vice versa) by the first fitting part 1 1 is introduced with the shoulder 10 a in the second opening 26.
  • first weld 31 The safety-relevant first weld 31 to the fitting 10 can be produced on standard welding machines.
  • the resulting assembly is optimally suited for transport, since the size allows a good nesting.
  • this assembly is attached to the structural part 15, and then the additional part 25 by means of a second weld 32 with the structural part 15 firmly connected.
  • a second weld 32 As an alternative to welding, another connection is conceivable, for example a screw connection or an attachment of the structural part 15, for example of other materials.
  • the additional part 25 is attached to the structural part 15 and connected by means of the second weld 32 with this firmly.
  • the fitting 10 is attached to this module by the first fitting part 1 1 is introduced with the shoulder 10 a in the second opening 26.
  • the fitting 10 and the auxiliary part 25 by means of the first weld 31 with each other firmly connected.
  • the structural part 15 and the additional part 25 can first be fixed by means of clinching, which can be integrated into the stamping process and later (after or at the same time as the first weld 31) be supplemented by the second weld 32.
  • fitting 10, attachment 25 and structural member 15 are positioned relative to each other and then fixed together by welds 31 and 32.
  • the fitting 10 may also be fixed in other ways (ie, inseparable) to the fastening region 18, ie the additional part 25 and the region of the structural part 15 covered by the additional part 25.
  • the welds 31 and 32 will preferably be produced by laser welding.
  • the welds 31 and 32 can also be produced by other types of welding, such as MAG welding. They can be circular, circular, punctiform or of other geometry.
  • the more precisely punched due to its simpler geometry additional part 25 allows process-reliable gap welding.
  • the side part 15 is connected by means of penetration on the additional part 25. This allows tolerance compensation in the connection level.
  • the arrangement of the components to be welded together is chosen so that the structural part 15 covers the functional surfaces of the fitting 10, so that no special welding cover is necessary.
  • the second weld seam 32 is not positioned directly on the fitting 10, so that it can be carried out particularly well by (cost-effective) MAG welding, in particular if it is produced at a different manufacturing location than the first weld seam 31.
  • the second weld 32 may be formed so deep that it extends to the fitting 10 and thus in addition to (or instead of) the first weld 31, the fitting 10 attached to the structural member 15.
  • the process steps do not have to take place in individual production steps or tools. Depending on the tool concept, several process steps can be implemented in one production step or one tool.
  • additional part 25 can - in addition to the reinforcement of the structural part 15 in the mounting portion 18 and the connection of the fitting 10 - optionally further functions are integrated. Additional components are not necessary. With simple geometry extensions of the additional part 25, a modular solution can be realized.
  • an adapter 41 is fixed, by means of which the fitting 10 is presently connected to the structure of the seat part 3.
  • this adapter 41 preferably two limit stops 42 are formed, which project radially from the adapter 41 with respect to the axis A.
  • a projection 45 is preferably formed, preferably at the pointed end of the drop shape by this tip end is angled relative to the axis A in the axial direction (so that the pointed end is only approximately acute) and into the plane of the adapter 41st protrudes with its limit stops 42.
  • the projection 45 is arranged in the circumferential direction of the axis A between the two limit stops 42.
  • the pivoting range of the backrest 4 is limited for the inclination adjustment.
  • the power flow of the stop load is very short.
  • the tolerances of the stop position can be set very accurately when the second opening 16 is circular and thereby enables an angle compensation before welding.
  • the projection 45 of the additional part 25 may additionally or alternatively be designed as a support for a Lehnenkompensationsfeder 47, as the modification in Fig. 5 shows.
  • the Lehnenkompensationsfeder 47 finds particular use when the fitting 10 is designed as a detent fitting to compensate for unlocked fitting 10, the weight of the backrest 4 at least partially.
  • the backrest compensation spring 47 can theoretically also be used in a geared fitting.
  • the Lehnenkompensationsfeder 47 is formed as a spiral spring, which with bias radially outward of the projection 45 and radially supported on a bushing 49 inside. This bush 49 may be attached to the second fitting part 12 and / or the adapter 41.

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)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

L'invention concerne un siège de véhicule, en particulier un siège de véhicule automobile, comprenant au moins une ferrure (10), laquelle présente deux parties de ferrure (11, 12) pouvant tourner l'une par rapport à l'autre et définit un axe (A), et au moins une partie de structure (15), qui présente au moins une première ouverture (16) avec un premier diamètre (D) pour le logement partiel de la ferrure (10) et au moins une zone de fixation (18) entourant la première ouverture (16), pour la fixation de la ferrure (10), la zone de fixation (18) étant rigidifiée par rapport aux autres zones de la partie de structure (15) par une partie supplémentaire (25) qui présente une seconde ouverture (26) avec un second diamètre (d) et qui est reliée fixement à la partie de structure (15), la ferrure (10) étant reliée fixement à la partie supplémentaire (25) et étant introduite au moins partiellement dans la seconde ouverture (26).
PCT/EP2010/007160 2009-12-09 2010-11-25 Siège de véhicule, en particulier siège de véhicule automobile WO2011069604A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IN2716DEN2012 IN2012DN02716A (fr) 2009-12-09 2010-11-25
PL10784708T PL2509820T3 (pl) 2009-12-09 2010-11-25 Siedzenie samochodowe, zwłaszcza do pojazdu mechanicznego
KR1020127017681A KR101365126B1 (ko) 2009-12-09 2010-11-25 차량 좌석, 특히 자동차 좌석
CN201080050617.4A CN102612450B (zh) 2009-12-09 2010-11-25 车辆座椅
JP2012542384A JP5504351B2 (ja) 2009-12-09 2010-11-25 車両座席、特には、自動車座席
EP10784708.9A EP2509820B1 (fr) 2009-12-09 2010-11-25 Siege de vehicule, notamment siege de vehicule automobile
US13/513,899 US8973998B2 (en) 2009-12-09 2010-11-25 Vehicle seat, in particular motor vehicle seat

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009057928.1 2009-12-09
DE102009057928.1A DE102009057928B4 (de) 2009-12-09 2009-12-09 Fahrzeugsitz, insbesondere Kraftfahrzeugsitz

Publications (1)

Publication Number Publication Date
WO2011069604A1 true WO2011069604A1 (fr) 2011-06-16

Family

ID=43569267

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/007160 WO2011069604A1 (fr) 2009-12-09 2010-11-25 Siège de véhicule, en particulier siège de véhicule automobile

Country Status (9)

Country Link
US (1) US8973998B2 (fr)
EP (1) EP2509820B1 (fr)
JP (1) JP5504351B2 (fr)
KR (1) KR101365126B1 (fr)
CN (1) CN102612450B (fr)
DE (1) DE102009057928B4 (fr)
IN (1) IN2012DN02716A (fr)
PL (1) PL2509820T3 (fr)
WO (1) WO2011069604A1 (fr)

Cited By (1)

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DE102012004695A1 (de) * 2012-03-12 2013-09-12 Gm Global Technology Operations, Llc Verriegelungseinrichtung, Verstellvorrichtung, Kraftfahrzeugsitz, Kraftfahr-zeug sowie Verfahren hierzu

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DE102022004879A1 (de) 2022-12-22 2024-06-27 Mercedes-Benz Group AG Sitzelement einer Sitzvorrichtung für ein Kraftfahrzeug für eine Person sowie Sitzvorrichtung

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US3401979A (en) * 1966-07-19 1968-09-17 Putsch Friedrich W Articulated mount for seats, particularly motor vehicle seats
JPS58101316A (ja) * 1981-12-12 1983-06-16 Mitsui Mining & Smelting Co Ltd 無段式角度調節機構
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DE102009013881A1 (de) * 2009-03-16 2010-09-23 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Vorrichtung mit einem Beschlag und einer Adapterplatte sowie Verfahren zur Herstellung einer solchen Vorrichtung
DE202009017811U1 (de) 2009-11-10 2010-07-08 Keiper Gmbh & Co. Kg Beschlag für einen Fahrzeugsitz

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DE102012004695A1 (de) * 2012-03-12 2013-09-12 Gm Global Technology Operations, Llc Verriegelungseinrichtung, Verstellvorrichtung, Kraftfahrzeugsitz, Kraftfahr-zeug sowie Verfahren hierzu

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IN2012DN02716A (fr) 2015-09-11
KR101365126B1 (ko) 2014-02-20
US8973998B2 (en) 2015-03-10
EP2509820A1 (fr) 2012-10-17
CN102612450A (zh) 2012-07-25
CN102612450B (zh) 2014-06-11
KR20120094101A (ko) 2012-08-23
EP2509820B1 (fr) 2013-09-11
US20130049434A1 (en) 2013-02-28
DE102009057928B4 (de) 2023-01-19

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