JPS62173343A - Turning device of seat for automobile - Google Patents

Abstract

PURPOSE:To make getting in and off easier by making an upper base, a lower base and a turning shaft for connecting both of the bases together tilted in the direction of the width of a vehicle and by constituting such that when turning a seat, its front end becomes low and parallel to a ground line. CONSTITUTION:An upper base 4 is fixed on a lower surface of a frame 3 of a set 1, a lower base 5 opposing the upper base 4 is fixed on right and left slide rails 7, and both of the bases 4 and 5 are connected with a turning shaft 8 with a tilt angle of alpha deg. in the directions of the width of a vehicle. However, a top surface of the seat 1 where a passenger is to be seated is formed so that the surface is not tilted in the lateral direction when the seat is directed to the front. While the right and left slide rails 7 are made to be at different heights, longitudinal position adjustment is made with the lower base 5 remaining as tilted in the lateral direction in a parallel motion. Accordingly, position adjustment can be made without tilting the top surface of the seat 1 in the lateral direction. Also, when the seat 1 is turned in the direction of the vehicle width, getting in and off are made easier as the front end of the seat becomes lower.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a rotating device for an automobile seat.

(Prior Art) Various configurations have been devised for seats that are rotatable in the width direction of the vehicle in order to facilitate getting on and off the vehicle (for example, see Japanese Patent Laid-Open Publication No. 57-22926). .

However, in all of these configurations, the notebook rotates on an almost horizontal plane, and the slide rails provided in the longitudinal direction of the car body are formed with a slight stop at the front, so the notebook rotates in the width direction of the car. The leading edge of the seat remains in a high position. Therefore, when getting on and off the vehicle, it is difficult to lift the hips and the feet cannot reach the ground, which significantly impairs the practicality of the rotary seat.

(Object of the Invention) The present invention provides an automobile seat rotation device that solves the above-mentioned problems.

(Structure of the Invention) This invention provides a base that is attached to the bottom surface of the seat.
It faces the lower base attached to the floor panel or slide rail, and revolves around the rotating shaft that connects the two.
An automobile seat which is rotatable, wherein the rotation 1IQt+, the upper base and the lower base are formed to be inclined in the vehicle width direction, and the front edge of the /-to which is rotated and widened in the vehicle width direction is lowered. It is a rotating device.

(Example) The details of the present invention will be described below with reference to an example shown in the drawings.

FIG. 12 shows the seat (seat cushion) l viewed from the longitudinal direction of the vehicle body, and shows the main parts of the rotation mechanism 2.

The rotation mechanism 2 has an upper base 4 fixed to the lower surface of the frame 3 of the seat 1, a lower base 5 facing the upper base 4 fixed to the left and right slide rails 7, and both paces 4 and 5 rotated by a rotating shaft 8. Link.

Rollers 10 are pivotally attached to the lower base 5 at several locations on the circumference and are brought into contact with the upper base 4, so that when the base 4 (therefore the seat 1) is rotated around the rotation axis 8,
The rollers 10 roll to smoothly rotate the sheet 1.

Furthermore, lock bins 12 are protruded from important points on the upper base 4, and catchers 13 corresponding to the lock bins 12 are fixed to the lower base 5. When seat 1 faces forward, lock bin 12
engages the catcher 13, and the sheet 1 is fixed. When the seat 1 is rotated, the lock pin 12 is removed from the catcher] 3, and both become free.

Now, in this invention, the rotating shaft 8, the upper base 4, and the lower base 5 are formed to be inclined by α degrees in the vehicle width direction S.

However, the upper surface of the seat 1 (where the seat is lowered) is formed so as not to be inclined in the left-right direction (vehicle width direction) when facing the front.

As the lower base 5 is tilted, the left and right slide rails 7 will have different heights, but when adjusting the position in the front-back direction, the lower base 5 will move in parallel in the front-back direction while remaining tilted in the left-right direction. .

Therefore, the position of the upper surface of the seat l can be adjusted without tilting in the left-right direction.

FIG. 3 is a plan view of the seat 1, which normally faces the front direction F and the direction U.
- Yes (solid line diagram). And the front edge of the sheet is P-Q,
It will be shown as follows. On the other hand, when passengers get on and off,
Rotate the seat 1 in the vehicle width direction S by θ degrees (approximately 70 degrees). At this time, the leading edge of the sheet becomes as shown by P'-Q' (dashed line).

FIG. 4 is a side view of the seat I, normally facing in the front direction F (shown with solid lines). The front edges P-Q of the sheet appear to overlap at one point. On the other hand, when the seat 1 is rotated in the vehicle width direction as shown in FIG. 3, the front edge of the seat becomes as shown by P'-Q' (dashed line). That is, p/
-Q' is located lower than P-Q, so that Q' is below Q by a height H and is almost parallel to the horizontal line (here, the ground line GL).

FIG. 5 is a front view of the seat 1, which is normally oriented toward the front (indicated by solid lines). The leading edge of the sheet becomes as shown by P-Q. On the other hand, when the seat I is rotated in the vehicle width direction S as shown in FIG.
-Q' (dashed line) is located lower than P-CJ, and P' protrudes toward the vehicle width side by the amount of displacement M.

(Effects of the Invention) As described above, the rotation mechanism of the present invention rotates the seat in the vehicle width direction because the upper base, the lower base, and the rotating shaft that connects them are both formed to be inclined in the vehicle width direction. At this time, the leading edge becomes lower and becomes almost parallel to the ground line, and about half of the leading edge protrudes toward the vehicle width. Therefore, don't struggle to lift your hips (
Another advantage is that your feet can reach the ground, making it extremely easy to get on and off the bike.

Furthermore, since the seat rotates around an inclined axis of rotation, the back side of the seat
As it rises, it moves backward in the vehicle width direction. Therefore, there are five advantages if there is no interference with the adjacent passenger seat or handbrake.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention; FIG. 1 is a perspective view of the seat rotated in the vehicle width direction, FIG. 2 is an explanatory diagram of the main parts of the rotation mechanism, FIG. side view of the seat,
FIG. 5 is a front view of the seat. l... Seat, 2... Rotating mechanism, 4... Anono P base, 5...
・Lower base, 7...Slide rail, 8...
... Rotation axis, p-Q, p'-Q' ... Front edge of the sheet, α ... Inclination angle, θ ... Rotation angle. Patent applicant: Fuji Heavy Industries, Ltd. Figure 1, Figure 21! !

Claims (1)

[Claims] The Atsupa base attached to the underside of the seat faces the lower base attached to the floor panel or slide rail, and is rotatable around a rotating shaft that connects the two, and the rotating shaft, the Atsupa base, and the lower base are connected to the vehicle width. 1. A rotating device for an automobile seat, characterized in that the front edge of the seat rotated in the vehicle width direction is lowered.