EP2953814A1

EP2953814A1 - Bearing arrangement for a rear seat arrangement of a vehicle, and method for assembling said bearing arrangement

Info

Publication number: EP2953814A1
Application number: EP14700092.1A
Authority: EP
Inventors: Sascha Müller; Andreas Kinzer
Original assignee: Johnson Controls Components GmbH and Co KG
Current assignee: Adient Luxembourg Holding SARL
Priority date: 2013-02-07
Filing date: 2014-01-07
Publication date: 2015-12-16
Also published as: US20150375645A1; US9902299B2; WO2014121961A1; CN104968525B; CN104968525A; DE102013216704A1

Abstract

The invention relates to a bearing arrangement (4) for a rear seat arrangement of a vehicle, comprising a bearing pin (5.2) which forms a rotational axis and comprising a rotary bearing (5.3) which can be pushed onto the bearing pin (5.2). The bearing pin (5.2) and the rotary bearing (5.3) each have a mutually corresponding structure which secures the bearing pin (5.2) and the rotary bearing (5.3) against axial and radial movements relative to each other in a use position. The bearing pin (5.2) can be guided through openings (01, 02) of the rotary bearing (5.3) during assembly, and the use position, which is secured against axial and radial movements, can be subsequently adjusted by pivoting the bearing pin (5.2) and/or the rotary bearing (5.3). The invention further relates to a method for assembling a bearing arrangement (4).

Description

Bearing arrangement for a rear seat assembly of a vehicle and

Method for their assembly

description

The invention relates to a bearing arrangement for a rear seat arrangement of a vehicle.

The invention further relates to a method for assembling a

Bearing assembly for a rear seat assembly of a vehicle.

Rear seat arrangements for vehicles with a plurality of juxtaposed backrest sections are generally known from the prior art. The backrest sections are to realize a

Folding mechanism independently pivotable between at least two positions about an axis of rotation. To realize the

Pivoting movement is a bearing assembly provided with a aligned in the direction of the rotation axis bearing pin and a pivot bearing. When mounting the bearing assembly, the pivot bearing on the

Bearing pin pushed.

Object of the present invention is to provide a comparison with the prior art improved bearing assembly for a rear seat assembly and an improved method for mounting such a bearing assembly.

With regard to the bearing arrangement, the object is achieved by the features specified in claim 1 and in terms of the method by the features specified in claim 10. Advantageous embodiments of the invention are the subject of

Dependent claims.

The bearing arrangement according to the invention for a rear seat arrangement of a vehicle comprises a bearing pin forming an axis of rotation and a pivot bearing slidable onto the bearing pin, wherein the bearing pin and the pivot bearing each have a structure which corresponds to one another and surrounds the bearing pin and the pivot bearing in one

Operating position against axial and radial displacements secures relative to each other, wherein during assembly of the bearing bolt through openings of the pivot bearing is feasible and then by means of a pivoting of the bearing pin and / or the pivot bearing against the axial and radial

Shifts secured position of use is adjustable.

Under the position of use is doing a relative arrangement of the

Bearing pin and the pivot bearing understood to each other, which is occupied by both components during their intended operation.

The bearing arrangement according to the invention prevents without the

Use of additional components safely slide down or

Sliding the pivot bearing of the bearing pin during operation of the backrest, so that the backrest assembly vehicle occupants are effectively protected even in a collision of the vehicle in front of a rear seat assembly adjacent luggage compartment into the vehicle interior invading cargo. At the same time the bearing assembly is particularly easy and without special tools and additional components mounted.

In order to realize the structure in a particularly simple manner for the bearing pin, the bearing pin comprises according to a development as Structure at least two spaced apart, a circumferential surface of the bearing pin completely circumferential grooves.

In order to realize the structure in a particularly simple manner for the pivot bearing, this has, according to a possible embodiment, at least two wall portions, which are arranged at the same distance to each other, as the grooves to each other, wherein the wall portions each having an opening with a respective opening completely surrounding Have sliding surface.

According to a possible embodiment of the bearing pin is passed through the openings, wherein surrounding the openings

Sliding surfaces in the position of use of the pivot bearing rotatably disposed in the grooves and thus particularly safe against axial and radial

Shift are secured.

To this fuse against axial and radial displacement and

at the same time to allow the passage of the bearing pin through the openings, the openings are according to a development eccentric to the axis of rotation, d. H. eccentric to the bearing pin in the use position, arranged and have according to a further possible embodiment an oval cross-section.

In order to allow a particularly simple insertion and passage of the bearing pin through the openings, they are rotated in a development such by 180 ° to each other that have segments of the openings with the smallest diameters of the respective oval in opposite directions.

In a possible development, the diameter of the segments of the openings corresponds to the smallest diameters of the respective Ovals corresponds to a second diameter of the bearing pin in the region of the grooves. Thus, a postponement of the pivot bearing on the bearing pin and thus a sliding down of the same from the bearing pin in different angular positions is not possible or at least significantly inhibited. Furthermore, the pivot bearing is due to a support of the

Wall areas secured to side walls of the grooves against radial displacements. It follows that the sliding down or

Slipping of the pivot bearing of the bearing pin during operation of the rear seat assembly is safely avoided, so that the

Lehnenteile the rear seat assembly vehicle occupant even in a collision of the vehicle effectively before from one of the

Rear seat arrangement adjacent luggage space to be protected in the vehicle interior invading cargo. At the same time is the

Bearing arrangement particularly simple and without special tools and additional components mountable.

According to a possible embodiment, a diameter of segments of the openings with the largest diameters of the respective oval corresponds at least to a first diameter of the bearing pin outside the regions of the grooves. Thus, in a panned

Mounting position of the pivot bearing to the bearing pin of the first diameter of the areas which are bounded by the grooves, released. In the use position, however, only the second, the grooves corresponding diameter is released. Thus, it is possible that the bearing pin during assembly in the deviating from the position of use

Mounting position can be guided through the openings, however, locked in the use position itself in the pivot bearing and fixed in the axial and radial directions within the openings

In the method according to the invention for mounting a bearing arrangement, a rotary bearing is mounted on one, an axis of rotation of the bearing arrangement postponed bearing bolt, being pushed on sliding the pivot bearing in a different position of use mounting position on the bearing pin, wherein the bearing pin is guided through openings of the pivot bearing and then the pivot bearing is pivoted relative to the bearing pin or the bearing pin relative to the pivot bearing in the position of use in that the bearing pin and the pivot bearing are secured against axial and radial displacement relative to each other.

The inventive method allows in a particularly advantageous manner, a particularly simple and feasible without special tools and additional components mounting the bearing assembly.

Embodiments of the invention are explained in more detail below with reference to drawings.

Showing:

1 shows schematically a perspective view of a section of a vehicle body with a backrest part,

Figure 2 schematically shows a perspective view of a detail of a vehicle body with two backrest parts and a bearing assembly according to the invention in a first

Mounting position,

3 shows schematically a perspective view of a

Detailed representation in the area of the bearing arrangement according to FIG. 2, schematically a perspective view of the detail of the vehicle body with the two backrest parts and a bearing assembly according to the invention in a second

Mounting position, schematically a perspective view of a

Detailed view in the area of the bearing arrangement according to FIG. 4, schematically a perspective view of the detail of the vehicle body with the two backrest parts and a bearing arrangement according to the invention in a position of use, schematically a perspective view of one

Detailed view in the region of the bearing arrangement according to FIG. 6, schematically a perspective view of the section of the vehicle body with the two backrest parts and a bearing arrangement according to the invention in a position of use, wherein a backrest part is locked in a backrest lock, schematically a perspective view of one

Detailed view in the area of the bearing arrangement according to FIG. 8, schematically a perspective view of a bearing bolt of the bearing arrangement according to the invention, schematically a first perspective view of one

Pivot bearing of the bearing assembly according to the invention, FIG. 12 schematically shows a second perspective view of the

Rotary bearing according to Figure 1 1, and

Figure 13 schematically a side view of the pivot bearing according to

FIG. 11

Corresponding parts are the same in all figures

Provided with reference numerals.

1 shows a perspective view of a section of a vehicle body 1 with a backrest part 2 of a rear seat arrangement, not shown.

The rear seat assembly is designed in three parts and preferably comprises three seat faces, not shown, and three backrest parts, wherein in the illustrated view only a central backrest part 2 is shown, which forms approximately 20% of a backrest surface. In Figures 2 to 9, another backrest part 3 is shown. All the backrest parts of the

Rear seat arrangement are designed to be hinged about a rotational axis, wherein the axis of rotation runs parallel to a vehicle axis y.

The central backrest part 2 is shown in a folded-down position and fastened by means of two fastening parts 4.1, 5.1 on the vehicle body 1 hinged. The fastening parts 4.1, 5.1 are each part of a bearing assembly 4, 5. The relating to the figures 1 to 13 description with respect to the bearing assembly 5 is analogous to the

Bearing arrangement 4 transferable.

The fastening part 5.1 comprises, as shown in more detail in Figure 3, a through hole 5.1 .1 for performing a on the backrest part. 2 fixed bearing bolt 5.2. The bearing pin 5.2 comprises a its circumferential surface completely circumferential web 5.2.1, which a

Displacement of the backrest part 2 in the axial direction, d. H. in the direction of the vehicle axis y, prevented. The bearing pin 5.2 is rotatably mounted in the passage opening 5.1 .1.

FIG. 2 shows a perspective view of the detail of FIG

Vehicle body 1 with two backrest parts 2, 3 and one of

Bearing assembly 5 in a first mounting position. For storage of

Backrest part 3 on the bearing pin 5.2 is arranged on the backrest part 3 on the bearing pin 5.2 slidable pivot bearing.

FIG. 3 shows a perspective view of a detailed representation in the region of the bearing arrangement 5 in the first mounting position.

For the pivotable arrangement of the pivot bearing 5.3 includes the

Bearing 5.2 5.2 two spaced apart, the lateral surface of the bearing pin 5.2 completely circumferential grooves 5.2.2, 5.2.3.

The pivot bearing 5.3 has two wall portions 5.3.1, 5.3.2, which are arranged at the same distance from each other, as the grooves 5.2.2, 5.2.3. The wall portions 5.3.1, 5.3.2 each have an opening 01, 02 with a respective opening 01, 02 completely surrounding sliding surface. The openings 01, 02 are provided for the implementation of the bearing pin 5.2 by the pivot bearing 5.3.

The sliding surfaces surrounding the openings 01, 02 are rotatably arranged in the slots 5.2.2, 5.2.3 in a position of use of the pivot bearing 5.3 shown in greater detail in FIGS. 6 to 9 and secured against axial and radial displacement. To this fuse and at the same time the

Carrying out the bearing pin 5.2 through the openings 01, 02 too allow, the openings 01, 02, as shown in more detail in Figures 1 1 to 13, eccentrically to the axis of rotation, ie eccentrically to the bearing pin 5.2 in the use position, arranged and have an oval cross-section.

Under the position of use is doing a relative arrangement of the

Bearing 5.2 and the pivot bearing 5.3 understood to each other, which of the two components during their intended operation of

Rear seat arrangement is taken.

For mounting the backrest part 3 and the pivot bearing 5.3 on the

Bearing 5.2, the backrest part 3 is aligned at an angle of more than 0 ° but less than 25 ° to the vehicle axis y and an angle of approximately 45 ° to a vehicle axis z and the pivot bearing 5.3 is opposite to the vehicle axis y on the bearing pin 5.2

postponed. Sliding the pivot bearing 5.3 on the

Bearing 5.2 and thus slipping it from the

Bearing pin is not possible in different angular positions or at least significantly inhibited.

For attachment of the backrest part 3 on one of the bearing assembly 5 side facing away from the vehicle body 1, a further bearing assembly 6 is attached to the backrest part 3.

In Figures 4 and 5, the two backrest parts 2, 3 and

Bearing assembly 5 shown in a second mounting position after sliding the pivot bearing 5.3 on the bearing pin 5.2.

For axial fixation of the pivot bearing 5.3 on the bearing pin 5.2 of the backrest part 3 and thus the pivot bearing 5.2 are pivoted such that they are arranged without angular offset from the vehicle axis y. This means, a normal vector of the openings 01, 02 runs in the same direction as the vehicle axis y. Subsequently, the bearing assembly 6 is attached to the vehicle body 1.

These pivoted arrangement, the figures 6 and 7. In this case, the sliding surfaces of the pivot bearing 5.3 rotatably on the base surfaces of

Grooves 5.2.2, 5.2.3 arranged and thus secured against radial displacement. Furthermore, the pivot bearing 5.3 due to a support of the wall portions 5.3.1, 5.3.2 secured to side walls of the grooves 5.2.2, 5.2.3 against radial displacements. It follows that a

Slide down or slipping down the pivot bearing 5.3 of the

Bearing 5.2 is safely avoided during operation of the rear seat assembly, so that the backrest assembly 2,3 of the rear seat arrangement vehicle occupants are effectively protected even in a collision of the vehicle in front of a rear seat assembly adjacent luggage compartment into the vehicle interior invading cargo. At the same time, the bearing assembly 5 is particularly easy and without special tools and additional components mountable.

Figures 8 and 9 show the two backrest parts 2, 3 and the

Bearing assembly 5 in the position of use, wherein the backrest part 3 is locked in a backrest lock, not shown.

FIG. 10 shows a perspective view of the bearing pin 5.2 of the bearing arrangement 5 according to the invention with the web 5.2.1 and the two grooves 5.2.2, 5.2.3. In areas immediately adjacent to the grooves 5.2.2, 5.2.3, the bearing pin 5.2 has a first diameter d1 shown in FIG. 12 and in the region of

Grooves 5.2.2, 5.2.3 itself has a second diameter d2. Figure 1 1 shows a first perspective view of the pivot bearing 5.3 of the bearing assembly 5 according to the invention with the wall portions 5.3.1, 5.3.2 and the openings formed therein 01, 02. The openings 01, 02 are oval, wherein the openings 01, 02 are rotated by 180 ° to each other, that have segments of the openings 01, 02 with the smallest diameters of the respective oval in opposite directions.

Thus, it is possible that in the illustrated in Figures 2 to 5 pivoted mounting position of the pivot bearing 5.3 to the bearing pin 5.2 of the first, the grooves 5.2.2, 5.2.3 limiting areas

corresponding diameter d1 is released, as shown in Figure 12. In the use position, however, only the second, the grooves 5.2.2, 5.2.3 corresponding diameter d2 is released, as Figure 13 shows. Thus, the bearing assembly 5 allows the

Bearing 5.2 can be performed during installation in the deviating from the position of use mounting position through the openings 01, 02, however, locked in the position of use itself in the pivot bearing 5.3 and in the axial and radial directions within the

Openings 01, 02 is fixed.

LIST OF REFERENCE NUMBERS

1 vehicle body

2 backrest part

3 backrest part

4 bearing arrangement

4.1 fixing part

4.2 Bearing pin

5 bearing arrangement

5.1 fixing part

5.1 .1 through-hole

5.2 Bearing pin

5.2.1 Bridge

5.2.2 groove

5.2.3 groove

5.3 Swivel bearings

5.3.1 Wall area

5.3.2 Wall area

6 bearing arrangement

01 opening

02 opening

d1 first diameter d2 second diameter x vehicle axle y vehicle axle z vehicle axle

Claims

claims

1 . Bearing arrangement (4) for a rear seat arrangement of a vehicle with a bearing pin (5.2) forming an axis of rotation and a pivot bearing (5.3) which can be pushed onto the bearing pin (5.2), wherein the

Bearing pin (5.2) and the pivot bearing (5.3) each have a mutually corresponding structure which secures the bearing pin (5.2) and the pivot bearing (5.3) in a position of use against axial and radial displacements relative to each other, wherein during assembly of the bearing pin (5.2) through openings (01, 02) of the

Turning bearing (5.3) is feasible and then by means of a

Pivoting the bearing pin (5.2) and / or the pivot bearing (5.3) which is secured against axial and radial displacements use position adjustable.

2. Bearing arrangement (4) according to one of the preceding claims,

characterized in that the bearing pin (5.2) as a structure at least two spaced-apart, a lateral surface of the bearing pin (5.2) completely encircling grooves (5.2.2, 5.2.3).

3. Bearing arrangement (4) according to claim 1 or 2,

characterized in that the pivot bearing (5.3) as a structure at least two wall portions (5.3.1, 5.3.2), which are arranged at the same distance from each other, as the

Grooves (5.2.2, 5.2.3) to each other, wherein the wall portions (5.3.1, 5.3.2) each having an opening (01, 02) with a respective opening (01, 02) completely surrounding sliding surface.

4. bearing arrangement (4) according to claim 3,

characterized in that the bearing pin (5.2) through the Openings (01, 02) is passed, wherein the

Openings (01, 02) surrounding sliding surfaces in the position of use of the pivot bearing (5) rotatably in the grooves (5.2.2, 5.2.3) are arranged.

5. Bearing arrangement (4) according to claim 3 or 4,

characterized in that the openings (01, 02) are arranged eccentrically to a rotational axis of the bearing pin in use position (5.2).

6. Bearing arrangement (4) according to one of claims 3 to 5,

characterized in that the openings (01, 02) have an oval cross section.

7. Bearing arrangement (4) according to claim 6,

characterized in that the openings (01, 02) are rotated by 180 ° to each other such that segments of the openings (01, 02) with the smallest diameters of the respective oval in

have opposite directions.

8. Bearing arrangement (4) according to claim 7,

characterized in that the diameter of the segments of the openings (01, 02) with the smallest diameters of the respective oval with a second diameter (d2) of the bearing pin (5.2) in the region of the grooves (5.2.2, 5.2.3) corresponds.

9. Bearing arrangement (4) according to claim 7 or 8,

characterized in that a diameter of segments of the openings (01, 02) with the largest diameters of the respective oval at least with a first diameter (d1) of the

Bearing pin (5.2) outside the areas of the grooves (5.2.2, 5.2.3) corresponds.

10. A method for mounting a bearing assembly (4), wherein a

Sliding bearing (5.3) on a, a rotational axis of the bearing assembly (4) forming the bearing pin (5.2) is pushed, said at

Sliding on the pivot bearing (5.3) is pushed in a different position of use of a mounting position on the bearing pin (5.2), wherein the bearing pin (5.2) through openings (01, 02) of the

Turning bearing (5.3) is guided and then the pivot bearing (5.3) relative to the bearing pin (5.2) or the bearing pin (5.2) is pivoted relative to the pivot bearing (5.3) in the position of use that the bearing pin (5.2) and the pivot bearing (5.3) secured against axial and radial displacement relative to each other.