WO2014064250A1 - Siège de véhicule muni d'un dispositif d'appui - Google Patents

Siège de véhicule muni d'un dispositif d'appui Download PDF

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Publication number
WO2014064250A1
WO2014064250A1 PCT/EP2013/072393 EP2013072393W WO2014064250A1 WO 2014064250 A1 WO2014064250 A1 WO 2014064250A1 EP 2013072393 W EP2013072393 W EP 2013072393W WO 2014064250 A1 WO2014064250 A1 WO 2014064250A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle seat
support
support elements
elements
guide device
Prior art date
Application number
PCT/EP2013/072393
Other languages
German (de)
English (en)
Inventor
Bernd Zimmerbeutel
Original Assignee
C. Rob. Hammerstein 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 C. Rob. Hammerstein Gmbh & Co. Kg filed Critical C. Rob. Hammerstein Gmbh & Co. Kg
Publication of WO2014064250A1 publication Critical patent/WO2014064250A1/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
    • 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
    • B60N2/90—Details or parts not otherwise provided for

Definitions

  • the invention relates to a vehicle seat, in particular a bucket seat for a motor vehicle, with
  • a locking device for detecting the support device A locking device for detecting the support device.
  • Vehicle seats of the type mentioned in the introduction are known from the prior art in a variety of configurations and are used in particular for receiving a passenger in a motor vehicle.
  • vehicle seats are designed either as multi-part seat structures with at least one relative to a seat pivoting backrest or as a shell seat of a substantially one-piece shell construction with respect to a seat portion defined backrest portion.
  • Bucket seats are usually formed essentially of metal or a composite material. In order to be able to individually adapt such a bucket seat to a passenger seated thereon, these bucket seats have a one-sided / two-sided backrest adjuster and / or additional lumbar supports and / or crease seat adjusters, which are arranged on the bucket seat construction.
  • the range of action of a single adjustment device is limited to only a portion of the seat surface and / or backrest portion of the bucket seat, Therefore, a plurality of adjusting devices must be installed in a bucket seat to ensure that a sufficient adjustment of the bucket seat to the respective passenger can be made. From a plurality of built-in bucket seat adjustment devices, however, there is again the disadvantage that an individual adjustment of the entire seat or the entire seat is complicated and time consuming.
  • the invention is therefore an object of the invention to provide a vehicle seat with a support device which has a very low weight, while inexpensively and easily manufactured and can be mounted on a vehicle seat made of any material, the support device individually to a passenger in particular simple way is customizable.
  • the object is achieved by a vehicle seat with a support device with the features of claim 1.
  • Advantageous developments of the invention are specified in the dependent claims.
  • the vehicle seat according to the invention in particular bucket seat for a motor vehicle, comprises an adjustable support device arranged in a seat surface and / or backrest section of the vehicle seat and a locking device for determining the support device, wherein the support device is formed from a plurality of support elements movable relative to each other, which are arranged along a guide device on the vehicle seat and by means of the locking device with respect to each other can be fixed.
  • a structure of the support device from one, preferably a plurality of support elements adjustably arranged along the guide device makes it possible to open when open Locking device a movement of the individual support elements in relation to each other, whereby in a particularly simple manner the overall shape of the support device varies manifold and can be individually adapted to a taking on the vehicle seat passenger.
  • the support elements along the guide device are determined in relation to each other, whereby a determination of the support device achieved in a simple manner and an unwanted adjustment can be efficiently prevented.
  • any vehicle device that is provided or at least suitable for receiving a passenger in a vehicle, in particular a motor vehicle, is understood as the vehicle seat.
  • this is a bucket seat, which particularly preferably comprises a one-piece seat shell, which is very particularly preferably formed substantially from plastic.
  • the vehicle seat can comprise any further devices or components, for example for fastening the vehicle seat to a vehicle structure, for securing and / or supporting the passenger at the vehicle seat or for adapting the vehicle seat to a passenger.
  • the seat area section of the vehicle seat is understood to be that area of the vehicle seat on which a passenger can sit and which has the function of accommodating at least the greater part of the weight of the passenger.
  • the backrest section is understood to mean that part of the vehicle seat which has the function of supporting a part or even the entire back of a passenger taking a seat on the vehicle seat.
  • a support device any device that supports a part of the vehicle seat or the entire vehicle seat against forces acting on these.
  • the support device has the task of supporting and / or stabilizing areas of the vehicle seat on which forces acting on a passenger sitting on the vehicle seat act. It is particularly the task of the support device to support the passenger as fully as possible in the contact area between the vehicle seat and the passenger.
  • the support device can in principle be formed from any number of components that can be made of any material.
  • the support device is preferably formed from lightweight materials, for example plastics or composite materials, in particular fiber-reinforced composite materials, in relation to metal components.
  • a single vehicle seat can be provided a single, over the entire Weg lake- and / or backrest portion extending support device.
  • each have a plurality of separate support devices are provided in any arrangement relative to each other, whereby each individual adjustment of this area is made possible.
  • two support devices can be arranged parallel to one another, preferably symmetrically with respect to a seat center.
  • the support device according to the invention is preferably formed from a plurality of at least two support elements, which are arranged either directly to one another or at least one further component in operative connection with the Stauervor- direction.
  • the support elements can have any shape and be formed of any material.
  • the support elements preferably have a shape that allows mobility of two support elements that are in operative connection, preferably in contact, in particular tilting and / or shifting relative to one another.
  • all support elements have an identical size and / or shape.
  • the support elements are formed essentially of plastic or a composite material.
  • the support elements may be reinforced or hardened in the areas in which they are in contact with an adjacent support element.
  • All support elements of the support device are guided by a guide device, so that the support elements with respect to each other and in relation to the vehicle seat or a component of the vehicle seat can only move in directions provided.
  • the guide device in particular also has the task of ensuring the sequence and relative orientation of the support elements to each other.
  • the support elements guided by the guide device of the support device are essentially movable only along one spatial direction.
  • the guide device can basically be formed in any way.
  • both the support elements can be located substantially within a flexible guide device, the guide device can be flexibly mounted on the outside of each support element or run through the support elements out running.
  • the guide device can basically be formed from any material. It is preferably a flexible and / or flexible material, which particularly preferably has a low elasticity.
  • the locking device may initially be any device which is suitable for preventing a relative movement of the individual support elements relative to each other.
  • the locking device acts at the same time on all supporting elements.
  • the locking device initially has a fixing effect with respect to only one support element and subsequently transmits this effect to the respectively adjacent support elements.
  • the locking device acts on the guide device of the support elements and thus adjusts the mobility of the support elements along the guide device.
  • the locking device can be any mechanical, electrically controlled, magnetic or otherwise acting device.
  • the support device may extend over the full width of the bucket seat or else have a significantly smaller width.
  • the support device along the direction of the guide device has an approximately square or round cross section and extends in an arrangement along the Weg lake- and / or backrest portion of a vehicle seat only over part of the seat width.
  • the guide device comprises at least one guide element extending along the support device.
  • the guide element is preferably at least partially guided by the individual support elements of the support device.
  • the individual support elements can also be arranged on the guide element via a further component.
  • the guide element allows a mobility of the support elements substantially in one spatial direction, while restricting mobility in the other two spatial directions, whereby on the one hand a stable fixing of the support device relative to the vehicle seat can be achieved and on the other hand sufficient mobility of the support elements is ensured.
  • the guide element comprises a cable which is preferably formed of a plastic, such as polyamide, or of wire, whereby the guide element can be produced particularly inexpensively and has a particularly low weight.
  • the guide device comprises at one end a deflection device, around which a guide element passing through the entire guide device is guided.
  • a first section of the guide element is arranged at a first end of the guide device continuously passing the entire guide device and is then deflected at the other end of the guide device by means of a guide roller, so that a second portion of the guide element substantially parallel to the first section, the guide device goes through to the first end.
  • the support device comprises a plurality of identical support elements, wherein the support elements are preferably formed by identical hollow body whose surfaces are particularly preferably at least partially curved.
  • the support elements are balls or ball sections, such as hemispheres, whereby the support device can be constructed particularly simply.
  • the support elements are formed of calottes, which preferably have identical dimensions. Particularly preferably, the arrangement of the calottes along the guide device of the support device takes place in an alternating concave and convex orientation, with the dome most preferably having the shape of a hemisphere.
  • two adjacent calottes are positively, positively and / or materially connected directly to each other or via another component, wherein preferably the two calottes are arranged with mutually repellent curvature to each other.
  • a further component which is preferably a spring element, is arranged in each case along the guide device of the support device between the individual support elements.
  • the spring element may be formed by any spring, such as a spiral or leaf spring of any material, preferably plastic, metal or a composite material, as well as be formed of an elastic material, in particular a disc, a cylinder or a ring an elastic material, preferably of an elastomeric plastic.
  • a spring element between each of the support elements, but only in individual spaces or systematic in every Nth space, where N is greater than 1, for example, 2, 3, 4 or 5, is.
  • a spring element in the form of a body of an elastic material in the cavity forming between two support elements is arranged, which is preferably substantially a spherical body, which particularly preferably has a larger diameter than the largest distance between the concave outer surfaces of the support members arranged directly adjacent to each other, whereby a particularly simple way elastic bendability of the support device similar to a human spine can be achieved with intervertebral discs arranged between the vertebrae.
  • spring elements are formed according to the desired at the respective position of the support spring thickness different thicknesses and / or have a different shape and / or are from a formed of different material.
  • the spring element may be arranged only between the support elements connected to the guide device or it may be attached to one or both support elements adjacent the spring element in a positive, non-positive and / or cohesive manner.
  • several spring elements can be arranged one above the other, parallel to one another or in any other way between two support elements.
  • the support elements are not fastened directly by the guide device, but via the respectively guided on the guide device spring elements.
  • a respective spring element between two support elements are arranged, preferably the spring element over the entire surface with two mutually aligned surfaces of the calotte in contact stands.
  • the locking device is designed such that it can exert a pressure on the first support element along the direction of the guide device, which then transmits over the other, adjacent support elements up to the last support element and this thus against a Part of the vehicle seat, in particular the guide device presses, so that a tension between all support elements is formed and thus a mobility of the support elements in relation to each other, such as by the increase Hung stiction between the individual support elements is reduced.
  • the locking device can act on the guide device, in particular a guide device formed from ropes in such a way that builds up between the arranged on the guide device support elements, a tension that prevents mobility of the support elements relative to each other or at least considerably more difficult.
  • FIG. 1 is a perspective side view of a first embodiment of a vehicle seat with a supporting device shown in sections,
  • FIG. 2 is a rear perspective view of a second embodiment of a vehicle seat with a support device
  • Fig. 3 is a schematic view of the structure of a third embodiment of a supporting device of a vehicle seat.
  • An embodiment of a vehicle seat 1 shown in FIG. 1 has a supporting device 2 shown in sections in a backrest section 3.
  • the support device 2 is formed from a plurality of support elements 4, which are guided along a guide device 5 of a polyamide rope 6, parallel to the backrest portion 3 are arranged.
  • a deflection roller 7 At the upper end of the counsellehnenabschitts 3 is a deflection roller 7, around which the polyamide rope 6 is deflected, so that over the entire length of the support device 2, two sections of the rope 6 parallel to each other.
  • Each of the support elements 4 in this case has two together via a fastening web 8 cohesively connected to each other caps 9, wherein the concave-shaped sides of the caps 9 point to the outside of the respective support element 4.
  • Each of the support elements 4 also has two guide channels through which in each case the polyamide rope 6 of the guide device 5 is guided and along which the support elements 4 can be moved, while a movement orthogonal to the direction of the guide device 5 for a single support element 4 is only very limited. In contrast, the entire support device 2 in the direction orthogonal to the direction of the guide device 5 has a certain flexibility.
  • a spring element in the form of a ball 10 made of an elastic plastic is arranged, whose diameter is greater than the diameter of the spherical cavities between two adjacent support elements 4, whereby a flexible mobility of the support elements. 4 in relation to each other, similar to a human spine with intervertebral discs located between the vertebrae.
  • the spring and damping properties of the support device 2 can be adjusted, but it can also be made possible by complete removal of the voltage smooth adjustment or adjustment of the support device, for example, to a shape of a back of a located on the vehicle seat 1 Person.
  • a second embodiment of a vehicle seat 1 illustrated in FIG. 2 has two supporting devices arranged parallel to one another and shown only in sections in FIG. 2, which are constructed substantially the same as the support device 2 of the embodiment shown in Fig. L of a vehicle seat l.
  • both support devices 2 comprise a common guide device 5, which is formed of a single steel cable 6 and each extending through the individual support elements 4 of the support devices 2, so that each support element 4 of only a single steel cable 6 is performed.
  • a support device 2 for a vehicle seat 1 has two parallel, fixed to the vehicle seat 1 polyamide ropes 6 on which a plurality of supporting elements 4 are arranged to be movable. Between the individual support elements 4, which correspond to those of the embodiment 1 (Fig.
  • the locking device 12 fixedly connected to the vehicle structure has a clamping screw 13 acting along the guide device 5, which can act on a lower closing element 14 arranged along the guide device 5 between the clamping screw 13 and the lowermost supporting element 4 and thus all supporting elements 4 along the guiding device 5 can move until finally an upper end member 15 at the locking device 12 opposite end of the guide device 5 comes into contact with a fixedly arranged on the vehicle seat component. Further tensioning of the tensioning screw 13 subsequently leads to a compression of the spring elements 10, 11 and thus to a fixing of the support elements 4 in relation to one another. LIST OF REFERENCE NUMBERS

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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 siège de véhicule, notamment un siège baquet pour un véhicule automobile, comprenant un dispositif d'appui (2) positionnable disposé dans une portion de surface d'assise (3a) et/ou de dossier (3b) du siège de véhicule, et un dispositif de blocage (12) servant à bloquer le dispositif d'appui. Pour produire un siège de véhicule muni d'un dispositif d'appui qui présente un poids relativement faible, qui peut ainsi être fabriqué de manière économique et simple et qui peut être adapté de manière particulièrement aisée, le dispositif d'appui selon l'invention est constitué de plusieurs éléments d'appui (4) mobiles les uns par rapport aux autres, lesquels sont disposés le long d'un dispositif de guidage (5) sur le siège de véhicule et peuvent être bloqués les uns par rapport aux autres à l'aide du dispositif de blocage.
PCT/EP2013/072393 2012-10-25 2013-10-25 Siège de véhicule muni d'un dispositif d'appui WO2014064250A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012110216 2012-10-25
DE102012110216.3 2012-10-25

Publications (1)

Publication Number Publication Date
WO2014064250A1 true WO2014064250A1 (fr) 2014-05-01

Family

ID=49510135

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/072393 WO2014064250A1 (fr) 2012-10-25 2013-10-25 Siège de véhicule muni d'un dispositif d'appui

Country Status (1)

Country Link
WO (1) WO2014064250A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4116836A1 (de) * 1991-05-23 1992-11-26 Bayerische Motoren Werke Ag Mit einer massagevorrichtung versehener sitz
US5769490A (en) * 1993-12-24 1998-06-23 Henderson's Industries Pty. Ltd. Adjustable lumbar support

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4116836A1 (de) * 1991-05-23 1992-11-26 Bayerische Motoren Werke Ag Mit einer massagevorrichtung versehener sitz
US5769490A (en) * 1993-12-24 1998-06-23 Henderson's Industries Pty. Ltd. Adjustable lumbar support

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