JP2002144926A - Rear seat support structure for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the inhabitability of a rear seat part irrespective of the backward stroke of a seat disposed just in front of a rear seat and the physique of a person seated on the rear seat by adding a device to a support structure for the rear seat. SOLUTION: The rear seat support structure, which arranges a rear seat 3 so that a seat cushion part 7 thereof is positioned just in front of a swell portion 2 formed in the rear of a vehicle body, comprises a support mechanism 13 for supporting the rear seat 3 positionally variably between a normal position wherein the seat cushion part 7 is positioned just in front of the swell portion 2 and a grounding position behind and above the normal position wherein the seat cushion part 7 grounds on the swell portion 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rear seat support structure for a vehicle in which a rear seat is disposed such that a seat cushion portion is located immediately before a raised portion formed at a rear portion of the vehicle body.

[0002]

2. Description of the Related Art Conventionally, as a structure for supporting a rear seat of a vehicle as described above, a rear seat is provided at a position immediately before a wheel arch for a rear wheel, which serves as a raised portion at the rear of the vehicle body, or a shock absorber mounting portion for a rear suspension. One that is configured to support the position so that it cannot be changed in the direction,
There is a configuration in which the position is supported so that the position can be changed in the front-rear direction.

[0003]

According to the above-mentioned prior art, the arrangement of the rear seat and the change in the rearward position are restricted by the raised portion at the rear of the vehicle body, so that the rear seat and the driver seat disposed immediately before the rear seat are limited. As a result, it is difficult to secure a sufficient space for the feet, and as a result, the greater the amount of rearward movement of the seat arranged immediately before the rear seat and the larger the size of the person sitting on the rear seat, the more cramped Inconvenience that it becomes easy to give. In particular, the cramped feeling has become remarkable in a small car having a short overall length.

[0004] An object of the present invention is to devise a support structure for the rear seat so that the rear seat portion can be moved irrespective of the amount of rearward movement of the seat disposed immediately before the rear seat or the size of a person sitting on the rear seat. In order to improve the livability.

[0005]

[Means for Solving the Problems] [Structure] In order to achieve the above object, in the invention according to the first aspect of the present invention, the rear seat is provided with a seat cushion portion immediately before a raised portion formed at a rear portion of the vehicle body. In a rear seat support structure of a vehicle arranged to be located at a position, the rear seat is provided at a normal position where the seat cushion portion is located at the immediately preceding position, and at a position rearward above the normal position. A support mechanism is provided for supporting the position so as to be changeable over a riding position where the vehicle rides above the raised portion.

According to the first aspect of the present invention, the position of the rear seat is changed from the normal position to the riding position by the support mechanism, so that the rear seat is positioned at a position behind the position immediately before the raised portion. It is possible,
Conversely, by changing the position of the rear seat from the riding position to the normal position, it becomes possible to return the rear seat from a position immediately behind the raised portion to a position immediately before the raised portion.

In other words, the upper portion of the raised portion can be effectively used as a front / rear adjustment area of the rear seat, thereby preventing the rear portion of the rear seat from being restricted from being changed rearward by the raised portion at the rear of the vehicle body. The front seat can be repositioned in the front-rear direction and the rear seat can be repositioned in the front-rear direction according to the physique of the person sitting on the rear seat. Since a sufficient foot space can be secured therebetween, it is possible to prevent the passenger from feeling cramped when sitting on the rear seat.

[Effect] Accordingly, while the rear seat is arranged so that the seat cushion portion is located immediately before the raised portion formed at the rear portion of the vehicle body, the position of the rear seat is changed to the riding position above the raised portion. Equipped with a support mechanism that enables the front and rear adjustment of the rear seat, which is arranged in front of the rear seat, and the front and rear adjustment of the rear seat in consideration of the physique of the person sitting on the rear seat, are limited by the raised portion at the rear of the vehicle It is possible to improve the livability in the rear seat part.

[Structure] According to a second aspect of the present invention, in the first aspect of the present invention, the movable mechanism of the slide mechanism which enables the support mechanism to change the position of the rear seat in the front-rear direction. Equipped on rails.

According to the second aspect of the present invention, the amount of front and rear adjustment of the rear seat can be increased.
This makes it possible to more suitably adjust the front and rear of the rear seat in consideration of the amount of front and rear adjustment of the seat disposed immediately before the rear seat and the physique of a person sitting on the rear seat, and is advantageous in enabling a variety of seat arrangements. Will be able to

[Effects] Therefore, it is possible to more effectively improve the livability in the rear seat portion, and it is possible to make the arrangement of the seat more advantageous.

According to a third aspect of the present invention, in the second aspect of the present invention, the support mechanism includes a falling posture for positioning the rear seat in the normal position, and A rocking link that can rock over a standing position positioned at the riding position is provided, and the support mechanism prevents the rocking link from falling down from the standing position to a side opposite to the normal position. A stopper was provided.

According to the third aspect of the present invention, it is possible to change the position of the rear seat between the normal position and the riding position with a relatively simple and inexpensive configuration.

By the way, if the supporting mechanism is simply constituted by a swinging link, when the rear seat is moved from the normal position to the riding position when the rear seat is brought close to the immediately preceding seat, the swinging link is raised. There is a risk of falling down from the posture to the opposite side of the normal position. When the swing link is further lowered from the standing posture to the opposite side of the normal position,
Since the rear seat passes through the riding position and becomes lower than the riding position, a rear position change operation of the rear seat by the slide mechanism may be inconvenient due to contact between the rear seat and the raised portion.

Therefore, according to the third aspect of the present invention, the rocking link is prevented from falling from the upright posture to the opposite side from the normal position by the stopper.
It is possible to prevent the rear seat rearward position changing operation by the slide mechanism from being disabled by the contact between the rear seat and the raised portion.

[Effect] Therefore, the structure can be simplified and the manufacturing cost can be reduced, and the operability when adjusting the position of the rear seat in the front-rear direction can be improved.

[0017]

1 and 2 show a longitudinal side surface of a rear portion of a vehicle body of a passenger car which is an example of a vehicle. This passenger car is provided at right and left sides of a rear portion of a vehicle body on which a rear wheel 1 is disposed. A wheel arch 2 as an example of a raised portion is formed, and a pedestal portion 4 on which a rear seat 3 is disposed is formed immediately before the wheel arch 2.

The rear seat 3 is disposed on the pedestal portion 4 so that a seat cushion portion 7 including a seat frame 5 and a seat cushion 6 is located immediately before the left and right wheel arches 2. A seat back 9 having a headrest 8 is connected to the seat frame 5 via a reclining mechanism (not shown) so that a posture switching operation to a desired reclining posture and a posture switching operation to a forward leaning posture can be performed. Have been.

The pedestal portion 4 is provided with a slide mechanism 10 for changing the position of the rear seat 3 in the front-rear direction at a position immediately before the wheel arch 2, and the movable frame 11 of the slide mechanism 10 mounts the seat frame of the rear seat 3. 5 are connected. The slide mechanism 10 includes a fixed rail 12 connected to the base 4 by a lock mechanism (not shown).
, The movable rail 11 can be fixed to the fixed rail 12 by operating a release lever (not shown).

Between the seat frame 5 and the movable rail 11, the rear seat 3 is provided with a normal position where the seat cushion portion 7 is located immediately before the wheel arch 2 and a seat cushion portion at a position rearward and higher than the normal position. A support mechanism 13 that supports the position so that the position can be changed over the riding position where the vehicle 7 is riding above the wheel arch 2 is interposed.

The support mechanism 13 comprises two left and right swing links 14 which can swing back and forth with a connection point with the movable rail 11 as a fulcrum, and a lock mechanism 15 provided at the front of the seat frame 5. Each swing link 14
Can be fixed in a forwardly inclined position in which the rear seat 3 is positioned in the normal position and a standing position in which the rear seat 3 is positioned in the riding position, and the release lever 16 extended forward from the lock mechanism 15. By operating, the locking of each swing link 14 by the lock mechanism 15 can be released. The support mechanism 13 includes an urging spring (not shown) that urges each swing link 14 toward the upright posture, and a downward movement from the upright posture of each swing link 14 to the opposite side to the normal position. Is provided.

With the above-described configuration, the rear seat 3 can be adjusted in the front-rear direction at the normal position by the slide mechanism 10, and when the rear seat 3 is located at the rear limit position at the normal position, the support mechanism 13
Thereby, the rear seat 3 can be positioned at a position where the rear seat 3 rides on the wheel arch 2 behind the position immediately before the wheel arch 2.

In other words, while the rear seat 3 is arranged so that the seat cushion portion 7 is located immediately before the wheel arch 2, the rear seat 3 also extends above the wheel arch 2 in addition to the position immediately before the wheel arch 2. 3, which can be used as a front / rear adjustment area, whereby the position of a seat (not shown) disposed immediately before the rear seat 3 in the front / rear direction can be adjusted, and the rear seat 3 can be adjusted according to the size of a person sitting on the rear seat 3. Position adjustment in the front-rear direction can be suitably performed, so that it is possible to improve the livability in the rear seat portion.

In the state where the rear seat 3 is located forward of the rear limit position in the normal position, the support mechanism 13 can function as an elevating mechanism for changing the height position of the rear seat 3, and thereby, Rear seat 3
The height of the rear seat 3 can also be adjusted according to the physique of the person sitting on the vehicle, so that it is possible to further improve the livability in the rear seat portion.

Further, when the rear seat 3 is located at the riding position, the rear seat 3 is largely separated from the seat disposed immediately before the rear seat 3. Therefore, the seat can be removed without removing the headrest 8 from the seat back 9. The back 9 can be switched to the forward position, so that the operability when switching the rear seat portion between the passenger compartment and the luggage compartment can be improved.

Further, when the height of the rear seat 3 is adjusted by the support mechanism 13 in a state where the rear seat 3 is brought closer to the immediately preceding seat by the stopper 17, each swing link 14 is moved rearward from the standing posture. The lowering of the rear seat 3 caused by the falling down to the side can be prevented,
As a result, it is possible to avoid a disadvantage that the rear seat 3 is not rearwardly changed by the slide mechanism 10 due to the contact between the rear seat 3 and the left and right wheel arches 2.

[Other Embodiments] Hereinafter, other embodiments of the present invention will be listed. (1) The rear seat 3 may be either a separate type or a bench type. (2) The support mechanism 13 may be configured to be able to fix the rear seat 3 at a desired position between them in addition to the normal position and the riding position. (3) The support mechanism 13 is configured such that the position change operation of the rear seat 3 can be performed only when the rear seat 3 is positioned at the rear limit position in the normal position by the slide mechanism 10. Is also good. (4) The support mechanism 13 may be constituted by a waist-breaking link, or may be constituted by a slide mechanism arranged in a rear-up posture. (5) The support mechanism 13 may be interposed between the base 4 and the seat frame 5 without providing the slide mechanism 10. (6) The bump 2 may be, for example, a shock absorber mounting portion other than the wheel arch 2 to which a shock absorber of a rear suspension is mounted.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional side view of a rear portion of a vehicle body of a passenger car showing a state where a rear seat is located at a normal position.

FIG. 2 is a longitudinal sectional side view of a rear portion of a vehicle body in a passenger car showing a state in which a rear seat is located at a riding position.

[Explanation of symbols]

 2 Raised part 3 Rear seat 7 Seat cushion part 10 Slide mechanism 11 Movable rail 13 Support mechanism 14 Swing link 17 Stopper

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Masayuki Otani 2-1-1 Taoyuan, Ikeda-shi, Osaka Daihatsu Kogyo Co., Ltd. F-term (reference) 3B087 BA02 BA15 BB02

Claims (3)

[Claims] 1. A rear seat support structure for a vehicle, wherein a rear seat is disposed such that a seat cushion portion thereof is located immediately before a raised portion formed at a rear portion of a vehicle body. A support for supporting a position changeable between a normal position where the portion is located at the immediately preceding position and a riding position where the seat cushion portion rides above the raised portion above and behind the normal position. Rear seat support structure for vehicles equipped with a mechanism. 2. The rear seat support structure for a vehicle according to claim 1, wherein the support mechanism is provided on a movable rail of a slide mechanism that enables a position change of the rear seat in a front-rear direction. 3. The support mechanism is configured by a swing link that can swing between a lying posture in which the rear seat is positioned at the normal position and a standing posture in which the rear seat is positioned in the riding position. In the support mechanism,
3. A stopper for preventing the swing link from falling down from the standing posture to the opposite side to the normal position.
A vehicle rear seat support structure as described in the above.