JP2534523Y2 - Vehicle seat - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Purpose of the Invention] (Industrial application field) This invention relates to a vehicle seat, and more particularly to a vehicle seat provided with a seat reclining device, a lifter mechanism and a buckle plate for a seat belt. .

(Prior Art) Generally, a seat for a vehicle such as an automobile is provided with a seat reclining device and a lifter mechanism so that an occupant can take a comfortable and optimal sitting posture.
The seat reclining device includes a base plate, an arm, and a lock mechanism attached to a side surface of the seat, and is configured to be able to tilt the seat back of the seat in the front-rear direction. The lifter mechanism is mounted on a slide mechanism that slides a seat mounted on the floor of the vehicle body in the front-rear direction, and is configured to be able to move up and down the seat. A buckle plate for a seat belt is mounted on a slide mechanism on the center console (inner) side of the seat.

(Problem to be Solved by the Invention) In the above-mentioned conventional vehicle seat, the buckle plate is fixed to the base plate by a predetermined distance so that the buckle plate mounting portion does not interfere with the flange portion of the base plate when the seat is raised and lowered by the lifter mechanism. , And there is a problem that the entire seat becomes large.

Further, the buckle plate is disposed close to the seat reclining device, and if the locking mechanism of the seat reclining device is pressed by the buckle plate, the function of the locking mechanism may be impaired.

The present invention has been made in order to solve the above-mentioned problems of the prior art, and an object thereof is to provide a vehicle seat in which a buckle plate can be arranged as close to a base plate as possible. is there.

[Structure of device]

(Means for Solving the Problems) In order to achieve the above object, a vehicle seat according to claim 1 of the present invention is mounted on a side surface of a seat, and includes a base plate, an arm pivotally supported by the base plate, and a base plate. A seat reclining device having a lock mechanism disposed between arms, a lifter mechanism for lifting and lowering the seat, and a vehicle seat including a buckle plate for a seat belt, wherein the base plate faces the buckle plate mounting portion. By forming a notch in the portion, the flange portion of the base plate that moves up and down by the lifter mechanism does not interfere with the buckle plate mounting portion.

In the vehicle seat according to the present invention, a portion of a flange portion formed on a peripheral portion of a base plate of the seat reclining device, which is opposed to the buckle plate, is wider than other portions. Is formed to prevent the buckle plate from directly pressing the lock mechanism of the seat reclining device.

(Operation) In the vehicle seat of claim (1), the buckle plate can be arranged as close to the base plate as possible. Thereby, the entire seat can be reduced in size.

In the vehicle seat according to claim (2), it is possible to prevent the buckle plate from directly pressing the lock mechanism of the seat reclining device. Thus, the lock mechanism can sufficiently perform its function.

(Examples) Hereinafter, the present invention will be described based on examples shown in the drawings.

1 to 3 relate to a first embodiment of the present invention. FIG. 1 is an explanatory front view of a seat reclining device for a vehicle seat, and FIG. 2 is a diagram showing a base plate and a lifter mechanism, a slide mechanism and a buckle plate. FIG. 3 is a schematic sectional explanatory view showing the relationship, and FIG. 3 is a perspective explanatory view of a base plate.

In the drawing, E denotes a vehicle seat, which is mounted on a side surface of the seat, and has a base plate 10, an arm 22 pivotally supported by the base plate 10, and a locking mechanism 20 disposed between the base plate 10 and the arm 22. And a lifter mechanism 40 for raising and lowering the seat, and a buckle plate 50 for a seat belt.

And this invention is, in particular, the buckle plate mounting part 53
The notch 11a is formed in a portion of the base plate 10 facing the base plate 10, so that the flange 11 of the base plate 10 which is raised and lowered by the lifter mechanism 40 is attached to the buckle plate mounting portion.
It does not interfere with 53. Further, by forming a wide portion 11b wider than other portions on a portion of the flange portion 11 formed on the peripheral portion of the base plate 10 of the seat reclining device facing the buckle plate 50, the buckle plate 50 is formed. To prevent the lock mechanism 20 of the seat reclining device from being directly pressed.

Next, the structure of the first embodiment of the present invention will be described in more detail.

The seat reclining device includes, for example, a base plate 10 (shown only on the inner side) attached to both left and right sides of a seat, and an arm 22 pivotally mounted on the base plate 10 by a first pivot 21 as shown in FIG. And
An upper part 23 is integrally fixed to the arm 22, and a tooth part 24a meshed with a tooth part 23a of the upper part 23 is provided.
Is rotatably mounted on the base plate 10 by a second pivot 25.

The lower tooth 24 has a cam projection 24b and a cam recess 24c,
A cam member 26 engaged and disengaged from these members is rotatably mounted on the base plate 10 by a third pivot 28 integrally with the operation lever 27. These upper parts 23, lower teeth 24,
The lock mechanism 20 is constituted by the cam member 26 and the operation lever 27. One end of a tension spring 29 extending toward the second pivot 25 is locked to the operating lever 27, and the other end of the tension spring 29 is locked to the base plate 10. The operating lever 27 is biased to rotate counterclockwise. The first, second, and third pivots 21, 25, and 28 have one end fixed to the base plate 10 and the other end fixed to the holder plate 30, respectively. A spiral spring 31 biasing in the direction is wound. Further, one end of a wire 32 is connected to the operating lever 27, and the wire 32 extends inward through a guide tube 34 supported by a support fitting 33 attached to the side of the base plate 10, and It is connected to a seat reclining device on the other side (outer side) through a lower front part of a seat cushion frame (not shown) on which a cushion is placed.

The lifter mechanism 40 is provided on a slide mechanism 60 that slides the seat E in the front-rear direction of the vehicle body, and a side bracket 41 and a leg bracket 42 arranged in the front-rear direction of the vehicle body are connected by a link mechanism 43. This link mechanism
By operating the base 43, the base plate 10 fixed to the side bracket 41 is configured to move up and down.

The slide mechanism 60 includes a lower rail 62 integrated with a lower bracket 61 disposed in the front-rear direction on the floor of the vehicle body, and an upper rail 63 slidable with respect to the lower rail 62. The upper fixed to the upper rail 63 The leg bracket 42 of the lifter mechanism 40 is attached to the bracket 64. Buckle plate for seat belt
50 is an anchor hook fixed to the upper bracket 64
It is attached to 51 by a mounting bolt 52 and an anchor nut 53. The anchor nut 53 forms a buckle plate mounting portion facing the flange portion 11 formed on the peripheral portion of the base plate 10, and the flange portion of the base plate 10 facing the buckle plate mounting portion.
A cutout portion 11a is formed at a portion 11. Also, by extending a flange of the same height as the flange 11d of the support surface 10a for mounting the wire, which is located outside the other flange portion 11c, on the flange 11 of the base plate 10 facing the buckle plate 50. A wide portion 11b wider than the other flange portions 11c is formed.

 Next, the operation of the first embodiment of the present invention will be described.

In the lock mechanism 20 of the seat reclining device, for example, by operating the operation lever of the outer seat reclining device, the wire 32 is pulled, and the operation lever 27 is rotated clockwise about the third pivot 28. By engaging the cam member 26 with the cam recess 24c of the lower tooth 24 and rotating the lower tooth 24 in the counterclockwise direction, the engagement between the upper teeth 23 and the teeth 23a, 24a of the lower tooth 24 is released, whereby the arm 22 can rotate about the first pivot 21 so that the angle of the seat back can be adjusted, or it can rotate in the direction biased by the spiral spring 31 and move forward. Locking the seat back again can be performed by rotating the arm 22, and a detailed description thereof will be omitted.

Here, when the lifter mechanism 40 is operated to adjust the height of the seat E, the base plate 10 moves up and down via the side bracket 41. At this time, since the notch 11a is formed in the portion of the flange portion 11 of the base plate 10 facing the anchor nut 53 which is the buckle plate attachment portion, even if the base plate 10 is moved up and down by the lifter mechanism 40, 11 does not interfere with the anchor nut 53. This allows the buckle plate 50
Can be mounted as close to the base plate 10 as possible, and the entire seat E can be reduced in size.

Also, the base plate 10 facing the buckle plate 50
The flange portion 11 is wider than the other flange portion 11c by extending the flange portion 11d having the same height as the wire mounting support mounting surface 10a located outside the other flange portion 11c. Since the wide portion 11b is formed, contact between the buckle plate 50 and the lock mechanism 20 can be prevented. As a result, it is possible to prevent the buckle plate 50 from directly pressing the lock mechanism 20, and the lock mechanism 20 can sufficiently fulfill its function.

FIG. 4 shows a second embodiment of the present invention, in which an operating lever 27 is provided.
The other end of the tension spring 29 having one end locked to A is connected to the second pivot 25
It extends in the direction opposite to the side and is locked to the base plate 10. Other configurations and operations are substantially the same as those shown in the first embodiment, and description thereof will be omitted.

[Effect of the invention]

As described above, in the vehicle seat of claim (1), the buckle plate can be arranged as close to the base plate as possible. Thereby, the entire seat can be reduced in size. In the vehicle seat according to claim (2), it is possible to prevent the buckle plate from directly pressing the lock mechanism of the seat reclining device. Thus, the lock mechanism can sufficiently perform its function.

[Brief description of the drawings]

1 to 3 relate to a first embodiment of the present invention.
FIG. 2 is a front view of a seat reclining device for a vehicle seat, FIG. 2 is a schematic cross-sectional view showing the relationship between a base plate and a lifter mechanism, a slide mechanism and a buckle plate, FIG. 3 is a perspective view of a base plate, FIG. The figure is a front view of a seat reclining device for a vehicle seat according to a second embodiment of the present invention. E ... Vehicle seat 10 ... Base plate 11 ... Flange portion 11a ... Notch portion 11b ... Wide portion 20 ... Lock mechanism 21 ... First pivot 22 ... Arm 23 ... Aparts 23a ... Tooth Part 24: Lower tooth 24a: Tooth part 25: Second pivot 26: Cam member 27, 27A Actuating lever 28: Third pivot 29: Extension spring 31: Spiral spring 32 Wire 36 Operating lever 40 Lifter mechanism 50 Buckle plate 53 Buckle plate mounting part (anchor nut) 60 Slide mechanism 62 Lower rail 63 Upper rail

Claims (2)

(57) [Scope of request for utility model registration] 1. A seat reclining device having a base plate, an arm pivotally supported by the base plate, a lock mechanism disposed between the base plate and the arm, a lifter mechanism for lifting and lowering the seat, and a seat. A vehicle seat provided with a buckle plate for a belt, wherein a notch portion is formed in a portion of the base plate facing the buckle plate mounting portion, so that the flange portion of the base plate that moves up and down by the lifter mechanism is A vehicle seat characterized in that it does not interfere with a buckle plate mounting portion. 2. The buckle according to claim 1, wherein the buckle is formed by forming a wide portion, which is wider than other portions, in a portion of the flange formed on the peripheral portion of the base plate of the seat reclining device, the portion facing the buckle plate. The vehicle seat according to claim 1, wherein a plate is prevented from directly pressing a lock mechanism of the seat reclining device.