JP3363929B2 - Car seat equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat device having three rows of seats, and more particularly to a vehicle seat device in which the seats of the third row are arranged rearward.

[0002]

2. Description of the Related Art Conventionally, in a cab-over type or one-box type automobile, a seat is provided with a front seat including a driver's seat and a passenger seat, and a passenger seat in the second and third rows behind the front seat. It has three rows of seats. For example, the one described in Japanese Patent Laid-Open No. 63-227435 is for a walk-through in which at least a part of a floor panel composed of a front floor panel and a rear front floor panel can be moved from the front part to the rear part of a vehicle compartment. A passage is provided, and the front seat provided on the front floor panel is divided into left and right divided seats, and the divided seat located on the walk-through passage of the front seat is directed to the other divided seat side. By making it tiltable, it is easy to move back and forth in the passenger compartment.

[0003]

However, the above-mentioned conventional seat device is a cab-over type vehicle or a one-box type vehicle, and in a vehicle in which the third row seat is facing forward, it is easy to move forward from the third row seat. However, in a station wagon car, etc., a normal forward facing seat is provided in two rows as a front seat and a passenger seat,
There is a backward facing third row seat, and there is a problem that it is difficult to move back and forth between the third row seat and the second row.

An object of the present invention is to make a seat back of a second row seat reclinable in association with an operation for bringing a seat back of the third row seat into a reclining state in a vehicle provided with a three row seat. By the third
An object of the present invention is to provide an automobile seat device that can easily move a row seat to the front of a passenger compartment.

[0005]

In order to achieve the above object, a vehicle seat device according to the present invention is an automobile having three rows of seats, in which the third row of seats are laid out rearward. An interlocking mechanism for interlocking the seat backs of the second row seats when the seat backs of the three row seats are set in the reclining state is provided, and an operating means for operating the interlocking mechanism is provided in the third row seats. At the same time, by providing the operating mechanism for reclining the second row seat alone, the passenger in the third row seat can easily move to the front of the vehicle compartment in the case of a rear-end collision such as a rear-end collision. Further, in an automobile having three rows of seats, a headrest provided in the second row of seats is rotatably supported around a vertical rotation axis, and a mechanism that can rotate only in the forward direction from the use state is provided. By providing the stopper that restricts the rotation range between the use position and the rotation position, the occupants of the third row seat can easily move to the front of the vehicle compartment.

[0006]

Embodiments of the present invention will be described with reference to the drawings.
In FIG. 1, a second row seat 2 is installed frontward on a rear floor panel 1 behind the front seat, and a third row seat 3 is installed rearward on the rear floor panel 1, and the second row seat 2 is a seat cushion. 21, a seat back 22 having a function of being rotatable about a horizontal axis at the lower end, that is, a reclining function, and a headrest 23 installed at the upper end of the seat back 22, and the third row seat 3 includes a seat cushion 31.
And a seat back 32 having a function of rotating about a horizontal axis at the lower end, that is, a reclining function.

The second row seat 2 is provided with a reclining operation lever 4 on the side portion of the seat cushion 21, and the reclining mechanism can be operated by operating the operation lever 4 to tilt the seat back 22 forward of the vehicle body. . The third row seat 3 is provided with a reclining operation lever 6 on a side portion of the seat cushion 31, and the reclining mechanism can be operated by operating the operation lever 6 so that the seat back 32 can be tilted to the front of the vehicle body. When the back door cannot be used due to a collision or the like, the vehicle can be moved past the second row seat 2 to the front of the vehicle body. The main flexible wire 7 is attached to the operation lever 6 of the third row seat 3.
, One end of the flexible wire 7 is connected to one end of the swing arm 5, one end of the sub flexible wire 8 is connected to the other end of the swing arm 5, and the other end of the sub flexible wire 8 is It is connected to the operation lever 4 of the two-row seat 2.

Referring to FIG. 2 and FIG. 3 in detail, FIG.
A cushion support plate 9 fixed to the seat cushion of the third row seat and a rotating plate 11 connected to the lower end of a back support plate 10 fixed to the seat back are rotatably connected by a rotating shaft 110. Has been done. The rotating plate 11 has a gear portion 111 having a predetermined length formed on the outer periphery of the lower portion thereof, and an engaging portion 112 provided at a predetermined position.
112 is a spring that biases the rotating plate 11 counterclockwise in the figure.
One end of the spring 13 is engaged, and the other end of the spring 13 is engaged with a support bracket 131 fixed to the cushion support plate 9. Gear part 12 that meshes with the gear part 111 of the rotating plate 11
The other end of the lock plate 12 having one end at one end is rotatably supported by the cushion support plate 9 by a pin 120, and an engaging portion 122 is formed on the opposite side of the lock plate 12 from the gear portion 121. The operation lever 6 has a base portion rotatably supported by the cushion support plate 9 by a pin 60, and
Interlocking arm 61 extending downward at a predetermined angle with respect to
And a spring that urges the operating lever 6 clockwise in the figure.
An engaging portion 63 with which one end of 14 is engaged and an engaging portion 62 that abuts with the engaging portion 122 of the lock plate 12 are provided, and one end of the main flexible wire 7 is connected to the interlocking arm 61. There is. The other end of the spring 14 is engaged with a support bracket 141 fixed to the cushion support plate 9.

The operation will be described below.
The engaging portion 62 of the operating lever 6 and the engaging portion 12 of the lock plate 12
2 are engaged with each other, and the gear portion 121 of the lock plate 12 meshes with the gear portion 111 of the rotating plate 11 so that the rotating plate
11 is fixed. When the operation lever 6 of the third row seat 3 is rotated counterclockwise in the drawing, the engagement between the engagement portion 62 of the operation lever 6 and the engagement portion 122 of the lock plate 12 is released, and the rotation plate 11 is released. Can be rotated, seat back
32 can be adjusted in angle, that is, can be reclined, and at this time, the interlocking arm 61 pulls the main flexible wire 7 rearward of the vehicle body (to the right in the figure).

In FIG. 3, a cushion support plate 15 fixed to the seat cushion of the second row of seats and a rotating plate 17 connected to the lower end of a back support plate 16 fixed to the seat back are connected by a rotary shaft 170. It is rotatably connected. The rotating plate 17 has a gear portion 171 having a predetermined length formed on the outer periphery of the lower portion, and an engaging portion 172 is provided at a predetermined position. The rotating plate 17 is attached to the engaging portion 172 counterclockwise in the drawing. A support bracket that engages one end of a biasing spring 18 and the other end of the spring 18 is fixed to the cushion support plate 15.
181 is engaged. The other end of the lock plate 19, which has a gear portion 191 that meshes with the gear portion 171 of the rotating plate 17 at one end, is rotatably supported by the cushion support plate 15 by a pin 190 and is opposite to the gear portion 191 of the lock plate 19. An engaging portion 192 is formed on the side. The operation lever 4 is rotatably supported by the cushion support plate 15 by a pin 40 at its base, and the interlocking arm 41 extending downward at a predetermined angle with respect to the operation lever 4 and the operation lever 4 are urged clockwise in the drawing. An engaging portion 43 with which one end of the spring 20 is engaged and an engaging portion 42 with which the engaging portion 192 of the lock plate 19 abuts are provided, and one end of the sub flexible wire 8 is connected to the interlocking arm 41. . The swing arm 5 is rotatably supported by a pin 50 at the substantially center thereof, the upper end 51 of which is engaged with the other end of the sub flexible wire 8 and the lower end 52 of which is connected one end of the main flexible wire 7. .

The operation will be described below.
The engaging portion 42 of the operating lever 4 and the engaging portion 19 of the lock plate 19
2 is engaged, and the gear portion 191 of the lock plate 19 meshes with the gear portion 171 of the rotating plate 17 so that the rotating plate
17 is fixed. When the main flexible wire 7 is pulled rearward of the vehicle body (rightward in the figure) by operating the operation lever 6 of the third row seat 3, the swing arm 5 swings clockwise in the figure, and the lower end of the swing arm 5 moves. 52 moves leftward in the figure to rotate the interlocking arm 41 of the operation lever 4 in the clockwise direction so that the engaging portion 42 of the operation lever 4 and the lock plate
The engagement of the engagement portion 192 of 19 is released, the rotation plate 17 can be rotated, and the seat back 22 can be adjusted in angle, that is, can be reclined. Therefore, since the second row seat 2 can be reclined in association with the operation of allowing the third row seat 3 to recline, the occupant of the third row seat 3 can easily move to the front of the vehicle body.

When only the operating lever 4 of the second row seat 2 is rotated clockwise in FIG. 3, the engagement between the engaging portion 42 of the operating lever 4 and the engaging portion 192 of the lock plate 19 is released. Then, the rotating plate 17 becomes rotatable, and the seat back 22
The angle can be adjusted, that is, reclining can be performed. At this time, the flexible wires 7 and 8 are loosened and do not transmit the turning force to the operation lever 6 of the third row seat 3, so that only the second row seat 2 can be reclined alone.

In FIGS. 4 and 5, a headrest 23 is rotatably supported by a support portion 24 provided at one end on the upper end of the seat back 22 of the second row seat 2, and the support portion 24 is provided.
A support rod 25 extends downward from the inside. 6 and 7, the support rod 25 has a plurality of vertical positioning grooves 26 extending along the circumference from the rear position of the vehicle body in the range of more than about 90 ° in the clockwise direction in the drawing. A stopper 29 is provided substantially opposite to one end of the stopper. A rod accommodating chamber 27 is formed in the seat back 22 as a vertical hole into which the support rod 25 is rotatably inserted, and a stopper 29 is formed on a side wall of the rod accommodating chamber from the vehicle width direction toward the vehicle rear direction (clockwise in FIG. 7).
A fan-shaped chamber 28 that can be rotated 90 degrees is formed to fill the height of the rod storage chamber 27. With this configuration, the headrest 23 can be rotated only in the front direction of the vehicle body from the use state (see FIGS. 5 and 6) around the support rod 25, and when the occupant of the third row seat 3 moves forward. , Do not get in the way. .

As shown in FIG. 6, when the headrest 23 is at the lowest position, a positioning stopper 35 is provided at a height corresponding to the uppermost positioning groove 26, and the positioning stopper 35 is provided in the chamber 39. A plate 38 is urged toward a support rod 25 by a spring 36 installed therein, and is connected to a plate 38 by a rod 37 so as to be constantly pressed against the support rod 25. With this configuration, you can change the height of the headrest 23,
By fitting the positioning stopper 35 into the positioning groove 26, it can be fixed at any position.

[0015]

Since the present invention is constructed as described above, it has the following effects. When making the seat back of the third row seat reclining,
The seat backs of the second row seats can be reclined in conjunction with each other, and the second row seats can be reclined independently, so that the occupants of the third row seats can be recoiled in the event of a rear-end collision such as a rear-end collision. Can easily move to the front of the passenger compartment. Further, a mechanism is provided in which the headrest provided on the second row seat is rotatable about a vertical rotation axis so that the headrest can rotate only in the forward direction from the use state, and the rotation range of the headrest is provided on the rotation axis between the use position and the rotation position. The provision of the restricting stopper facilitates the movement of the third row seats to the front of the passenger compartment.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram showing a relationship between a second row seat and a third row seat according to the present invention.

FIG. 2 is a schematic configuration diagram of a reclining operation mechanism for a third row seat according to the present invention.

FIG. 3 is a schematic configuration diagram of a second row seat reclining operation mechanism according to the present invention.

FIG. 4 is a side view of a second row seat according to the present invention.

FIG. 5 is a perspective view of an upper portion of a second row seat and a headrest according to the present invention.

6 is a sectional view taken along line VI-VI in FIG.

7 is a sectional view taken along line VII-VII in FIG.

[Explanation of symbols]

2 Second row seat 3rd row seat 4 Reclining operation lever (for second row seat) 5 Swing arm 6 Reclining operation lever (for third row seat) 7 Main flexible wire 8 sub flexible wires

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Sachiyo Koyama No. 3 Shinchi, Fuchu-cho, Aki-gun, Hiroshima Mazda Co., Ltd. (72) Inventor Yasushi Yoshimura No. 3 Shinchi, Fuchu-cho, Aki-gun, Hiroshima Mazda Co., Ltd. (72) Inventor Toshimine Morino No. 3 Shinchi, Fuchu-cho, Aki-gun, Hiroshima Mazda Co., Ltd. (72) Inventor Tomohiro Iwasaki No. 3 Shinchi, Fuchu-cho, Aki-gun, Hiroshima Mazda Co., Ltd. (72) Inventor Megumi Yoshikawa 3-1, Shinchi, Fuchu-cho, Aki-gun, Hiroshima Mazda Co., Ltd. (56) Reference Japanese Patent Laid-Open No. 50-109058 (JP, A) Shoukai 60-105230 (JP, U) ) Actual Kaihei 3-96927 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B60N 2/22 B60N 2/48

Claims (4)

(57) [Claims] 1. A vehicle seat device in which a rearward facing third row seat is laid out behind a second row seat,
A reclining mechanism for tilting the seat back of the third row seat forward of the vehicle body and a reclining mechanism for tilting the seat back of the second row seat forward of the vehicle body are provided. The reclining mechanism for the row seats is linked by an interlocking mechanism for reclining only the seat backs of the second row seats forward of the vehicle body in conjunction with the operation of the operation lever for reclining the seat backs of the third row seats forward of the vehicle body. An automobile seat device characterized by the above. 2. The interlocking mechanism connecting the reclining mechanism of the second row seat and the reclining mechanism of the third row seat is made of a flexible wire so that when the reclining mechanism of the seat back of the second row seat is operated. The vehicle seat device according to claim 1, wherein the seat device is not transmitted to the reclining mechanism of the third row seat. 3. The seat back of the second row of seats has a headrest supported by a single support, and the headrest is provided with a rotation mechanism capable of rotating about a support rod only forward from a use position. The vehicle seat device according to claim 1, wherein: 4. A stopper for restricting a rotation range of the headrest between a use position and a forward rotation position is provided on a support rod for supporting the headrest of the second row seat. Item 3. A vehicle seat device according to item 3.