JP2007216854A - Vehicle seat - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enhance getting on/off property without causing outstanding high cost. <P>SOLUTION: A seat body 11 is supported by a rotation seat unit 15 and is constituted so as to be turned between the front directed state 17 directed to a front side FR of the vehicle and the lateral directed state 18 directed to a doorway port at a side. A support surface 31 of a rotation support base 21 of the rotation seat unit 15 is inclined downward in the rear of the vehicle such that it is lowered as it advances from a front FR side of the vehicle to a rear RR side of the vehicle. The support surface 31 is inclined externally downward of the vehicle such that it is lowered as it advances from a vehicle center OX side to a vehicle side O side. A rotation shaft 22 is vertically provided on the support surface 31 and a rotation disc 23 is supported on the rotation shaft 22 through a support bracket 54. The seat body 11 is supported on the rotation disc 23 through a slide mechanism 61. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a vehicle seat provided in a vehicle.

  2. Description of the Related Art Conventionally, in a vehicle seat provided in a vehicle, a vehicle seat is known that can rotate between a forward-facing state in which the seat body faces the front of the vehicle and a lateral-facing state in which the seat body faces the entrance / exit side of the vehicle. .

  Thereby, in this vehicle seat, it is comprised so that boarding / alighting property may be improved by making the said seat body into the said sideways state at the time of boarding / alighting.

  However, in such a vehicle seat, the seat body can be directed to the outside of the passenger compartment by horizontally rotating the seat body, but the seat height is high and it is difficult to take off and seat.

  The present invention has been made in view of such a conventional problem, and an object of the present invention is to provide a vehicle seat capable of improving the boarding / exiting performance without incurring a significant cost increase.

  In order to solve the above-mentioned problem, in the vehicle seat according to claim 1 of the present invention, the seat body rotates between a forward-facing state in which the seat body is directed toward the front of the vehicle and a lateral-facing state in which the seat body is directed toward the entrance / exit side of the vehicle. In the vehicular seat that can be supported, the support surface of the rotary support that is supported by the floor is inclined downward toward the outside of the vehicle so as to become lower from the vehicle center side toward the vehicle side, and from the vehicle front side While tilting downward toward the rear of the vehicle so as to become lower toward the rear side, the rotating disk is rotatably supported by the rotating support table via a rotation shaft provided perpendicular to the support surface of the rotating support table. The sheet main body was supported on the turntable.

  That is, the support surface of the rotation support base is inclined downwardly from the vehicle so as to become lower as it goes from the vehicle center side toward the vehicle side, and lowered toward the rear of the vehicle so as to become lower as it goes from the vehicle front side toward the vehicle rear side. It is inclined to. For this reason, the rotating shaft provided perpendicularly to the support surface of the rotation support base is provided to be inclined toward the vehicle side and the vehicle rear side with respect to the floor surface.

  A rotating disk is supported on the inclined rotating shaft, and the seat body is supported on the rotating disk.

  For this reason, in the sideways state in which the turntable is rotated and the seat main body is directed toward the entrance / exit of the vehicle side portion, a front lowering state in which the front end portion of the seat main body is lowered is formed.

  According to another aspect of the vehicle seat of the present invention, a slide mechanism is provided between the seat body and the turntable for supporting the seat body so as to be slidable in the front-rear direction with respect to the turntable.

  That is, the seat body is supported by the rotating disk via a slide mechanism, and is configured to be able to slide the seat body in the front-rear direction with respect to the rotating disk.

  For this reason, the seat body is slid forward relative to the turntable in a forwardly lowered state in which the turntable is rotated and the seat body is directed toward the entrance / exit of the vehicle side portion. Is lowered while being moved to the outside of the passenger compartment.

  As described above, in the vehicle seat according to the first aspect of the present invention, the turntable supported by the rotation shaft of the rotation support base is rotated so that the seat body faces the entrance / exit side of the vehicle side portion. In the horizontally turned state, the front lowering state in which the front end portion of the sheet main body is lowered can be formed. Thereby, the seated person seated on the seat body can easily perform the seating on the seat body as compared with the case where the seat body is kept horizontal.

  As described above, the seating property to the seat body at the time of rotation can be improved only by setting the inclination to the support surface of the rotation support base and inclining the rotation shaft. Therefore, it is possible to improve boarding / exiting performance without incurring a significant cost increase.

  Further, in the vehicle seat according to claim 2, the seat body is moved forward with respect to the turntable in a forwardly lowered state in which the turntable is rotated and the seat body is directed toward the entrance / exit on the side of the vehicle. By sliding, the seat body can be lowered while moving to the outside of the passenger compartment.

  For this reason, compared with the case where the height of the said sheet | seat main body cannot be changed, boarding / alighting property can further be improved.

  Further, by providing the slide mechanism between the seat body and the turntable, the seat body can be lowered when getting on and off without causing a significant increase in cost. For this reason, compared with the case where the raising / lowering mechanism which raises / lowers the said sheet | seat main body is provided separately, cost reduction can be achieved.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a view showing a state in which a vehicle seat 1 according to the present embodiment is attached to a vehicle, and an example in which the vehicle seat 1 is adopted as a passenger seat is shown.

  A seat body 11 of the vehicle seat 1 includes a seat back 12 that forms a backrest and a seat cushion 14 that forms a seating surface 13. The seat body 11 is provided on a floor via a rotating seat unit 15. 16 is fixed.

  As a result, the seat body 11 is moved by the rotating seat unit 15 toward the vehicle front FR as shown in FIGS. 1 to 3 and on the side of the vehicle as shown in FIGS. It is comprised so that it can rotate between the sideways state 18 toward the entrance / exit side of the provided outside figure.

  As shown in FIGS. 1 to 3, the rotating sheet unit 15 includes a rotation support base 21 supported by the floor 16, and a rotation support rotatably supported by the rotation support base 21 via a rotation shaft 22. A board 23 is provided.

  The rotary support base 21 includes a rectangular support surface 31 that is long in the vehicle longitudinal direction, a left wall surface 32 that extends downward from the left edge of the support surface 31, and a downward extension from the right edge of the support surface 31. The support surface 31 is supported by the floor 16 via the left wall surface 32 and the right wall surface 33. The left wall surface 32 and the right wall surface 33 are set such that the height dimension on the vehicle front FR side is higher than the height dimension on the vehicle rear RR side, and the support surface 31 is as shown in FIG. In addition, the vehicle is configured to incline with the inclination angle θ1 downward from the vehicle front side so as to decrease from the vehicle front FR side toward the vehicle rear RR side.

  The height dimension at the front end 41 of the left wall surface 32 is set to be lower than the height dimension at the front end 42 of the right wall surface 33 as shown in FIGS. The height dimension at the rear end 43 of the left wall surface 32 is set to be lower than the height dimension at the rear end 44 of the right wall surface 33. As a result, as shown in FIG. 2, the support surface 31 has an inclination angle θ2 at the outside of the vehicle so as to become lower from the vehicle center 0X side where the left wall surface 33 is provided toward the vehicle side O side. Inclined.

  As shown in FIGS. 1 to 3, the rotary shaft 22 provided on the rotary support base 21 is disposed on the left side of the support surface 31, and the rotary disc is centered on the rotary shaft 22. When turning 23, the front-end | tip part of the said rotation board 23 is comprised so that it may extend to the vehicle side O. As shown in FIG. The rotary shaft 22 is provided perpendicular to the support surface 31, and the rotary shaft 22 is provided inclined with respect to the floor 16.

  As shown in FIGS. 1 and 2, the rotating disk 23 supported by the rotating shaft 22 has a rectangular fixed surface 51 and a left edge formed by bending the left edge of the fixed surface 51 downward. The flange 52 and a right flange 53 formed by bending the right edge portion of the fixed surface 51 downward. On the back surface of the fixed surface 51, a support bracket 54 extends between the flanges 52 and 53, and the support bracket 54 faces the support surface 31 as shown in FIGS. Are formed in a U-shaped cross section by a facing surface 55, a front side wall 56 provided at a front edge of the facing surface 55, and a rear side wall 57 provided at a front and rear side edge of the facing surface 55.

  As shown in FIGS. 1 and 2, the support bracket 54 is supported by the rotating shaft 22 on the left side of the facing surface 55, and the side walls 56 and 57 are supported by the rotating shaft 22. The height dimension is set so as to decrease from the left end side toward the right end side. Further, as shown in FIG. 3, the front side wall 56 is set so that its height dimension is lower than that of the rear side surface 57. Thereby, in the forward-facing state 17, as shown in FIGS. 2 and 3, the turntable 23 supported by the support bracket 54 is configured to be parallel to the floor 16.

  The rotary disc 23 is provided with a seat leg 62 via a slide mechanism 61, and the seat cushion 14 of the seat body 11 is fixed to the seat leg 62. As shown in FIG. 2, the slide mechanism 61 includes slide rails 63, 63 extending on the left and right sides of the rotating disk 23, and sliders 64, 64 supported by the slide rails 63, 63. Thus, the sliders 64 and 64 are fixed to the seat leg 62.

  As a result, the seat body 11 supported by the turntable 23 via the slide mechanism 61 can slide forward and backward with respect to the turntable 23 in the forward state 17 and the lateral state 18. It is configured.

  The slide mechanism 61 can be provided with a slide drive device that slides the seat leg 62. In this case, the seat body 11 can be slid electrically.

  Further, the rotary sheet unit 15 can be provided with a rotary drive device that rotationally drives the rotary disc 23. In this case, the seat body 11 can be rotated electrically.

  In the present embodiment according to the above configuration, the support surface 31 of the rotary support base 21 of the rotary seat unit 15 is inclined downward toward the outside of the vehicle so as to become lower from the vehicle center 0X side toward the vehicle side O side. In addition, the vehicle is inclined downward toward the rear of the vehicle so as to become lower from the vehicle front FR side toward the vehicle rear RR side. For this reason, the rotating shaft 22 provided perpendicularly to the support surface 31 of the rotation support base 21 is inclined toward the vehicle side O and the vehicle rear RR with respect to the floor 16 surface.

  A rotating disk 23 is supported on the inclined rotating shaft 22, and the sheet body 11 is supported on the rotating disk 23. Therefore, in the state in which the turntable 23 is rotated to form the sideways state 18 with the seat body 11 directed toward the entrance / exit on the side of the vehicle, as shown in FIG. A front falling state 71 in which the portion is lowered can be formed.

  Thereby, the seated person sitting on the seat body 11 can compare the seat body 11 with the seat body 11 as compared with the case where the seat body 11 is kept horizontal and the seat surface 13 of the seat cushion 14 is maintained almost horizontally or forwardly. 11 can be easily detached and seated.

  Thus, the seating property to the seat body 11 during rotation can be improved by simply setting the inclination to the support surface 31 of the rotation support base 21 and inclining the rotation shaft 22. Therefore, it is possible to improve boarding / exiting performance without incurring a significant cost increase.

  Further, the seat body 11 is supported by the turntable 23 via a slide mechanism 61, and is configured to be able to slide the seat body 11 in the front-rear direction with respect to the turntable 23. As a result, in the forwardly lowered state 71 where the seat body 11 is turned to the entrance / exit side of the vehicle side by rotating the turntable 23, the seat body 11 is moved as shown in FIGS. By sliding forward with respect to the rotating disk 23, the seat body 11 can be lowered while moving to the outside of the passenger compartment.

  For this reason, compared with the case where the height of the said sheet | seat main body 11 cannot be changed, boarding / alighting property can further be improved.

  Further, by providing the slide mechanism 61 between the seat body 11 and the turntable 23, the seat body 11 can be lowered when getting on and off without causing a significant increase in cost. For this reason, compared with the case where the raising / lowering mechanism which raises / lowers the said sheet | seat main body 11 is provided separately, cost reduction can be achieved.

  The slide mechanism 16 is provided on the fixed surface 51 of the rotating disk 23 that is maintained horizontally in the forward-facing state 17. For this reason, in the forward-facing state 17, the front-rear position of the seat body 11 can be adjusted by the slide mechanism 16.

It is a perspective view which shows one embodiment of this invention. It is a front view of the same embodiment. It is a side view of the embodiment. It is a figure showing the state where the sheet body of the embodiment was turned sideways. It is explanatory drawing which shows the operation | movement at the time of making the sheet | seat main body of the same embodiment slide sideways.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vehicle seat 11 Seat main body 16 Floor 17 Frontward state 18 Sideways state 21 Rotation support stand 22 Rotating shaft 23 Turntable 31 Support surface 61 Slide mechanism 71 Lowering forward

Claims (2)

In the vehicle seat that supports the seat body rotatably between a forward-facing state facing the front of the vehicle and a lateral-facing state facing the entrance / exit side of the vehicle side,
The support surface of the rotary support supported by the floor is inclined downward toward the outside of the vehicle so as to decrease from the center of the vehicle toward the side of the vehicle, and decreases from the front of the vehicle toward the rear of the vehicle. While leaning backwards down the vehicle,
A rotating disk is rotatably supported on the rotating support table via a rotating shaft provided perpendicular to the support surface of the rotating support table, and the seat body is supported on the rotating disk. Vehicle seat. The vehicle seat according to claim 1, wherein a slide mechanism that supports the seat body so as to be slidable in the front-rear direction with respect to the turntable is provided between the seat body and the turntable.

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