JP2000000140A - Rear seat for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rear seat for vehicle wherein the area for an extended part of a cargo room floor surface is ensured, and also, even when a back rest is arranged at a reclining position, the comfortability is ensured. SOLUTION: A back rest 30 of a rear seat 10 is made rotatable around a first rotating shaft R1, and at the end part of the back rest 30, a side base 50 which is rotatable around a second rotating shaft R2, and an arm rest 60 which is rotatable around a third rotating shaft R3 are arranged in a manner to be superposed. When the back rest 30 is arranged at a reclining position, the surface 30a of the back rest 30 and the surface 50a of the side base 50 are continuously arranged, and the comfortability is ensured.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rear seat for a vehicle mounted on an automobile or the like, and more particularly, to a reclining position inclined rearward from a normal sitting position and a storage position which is tilted forward from the sitting position. Related to rear seats for vehicles.

[0002]

2. Description of the Related Art For example, in an automobile of a station wagon type or the like, a backrest of a rear seat is reclined rearward from a normal seating position so that an occupant can sit in a relaxed position, or the backrest is folded forward. There is known a configuration in which the cargo room behind the rear seat can be expanded.

A vehicle rear seat capable of moving a backrest to a reclining position and a storage position will be described with reference to FIGS.

[0004] In the figure, reference numeral 100 denotes a rear seat. The rear seat 100 includes a seat cushion 101 and a backrest 102.
It is supported so as to be rotatable rearward and forward with a rotation shaft provided in a lower portion of the lower end portion and extending in the vehicle width direction as a rotation center.

That is, the backrest 102 is moved from a sitting position A shown by a solid line in FIG. 5 to a reclining position B shown by a two-dot chain line, or is moved forward to a storage position C shown in FIG. Can be.

However, immediately after the rear seat 100, the wheel apron 103 that accommodates the rear wheel projects from the side wall of the vehicle toward the passenger compartment. Will do. In order to avoid this interference, a notch 104 is formed at the outer end of the back of the backrest 102 so that a large portion of the backrest 102 is hollowed out, and the notch 104 enables movement to the reclining position B. I have.

A rear seat 200 disclosed in Japanese Utility Model Laid-Open Publication No. Sho 60-23433 and shown in FIG. 7 includes a seat cushion 201, a backrest body 202, and an auxiliary portion that forms a backrest together with the backrest body 202. 203 is provided.

[0008] The auxiliary portion 203 is provided in the backrest main body 2.
02 and the backrest body 2
In the state of 02 in the sitting position A indicated by the two-dot chain line, it is similarly placed in the sitting position, and when it is in the storage position C, it is also placed in the storage position. Then, when the backrest body 202 is reclined, the auxiliary portion 203 that interferes with the apron is left at the sitting position, and only the backrest body 202 moves to the reclining position.

[0009]

According to the former rear seat, the rear seat can be moved to the reclining position B, and when the backrest 102 is located at the storage position C, the rear surface thereof is substantially horizontal, so that the back of the luggage compartment is reduced. It is possible to configure the same plane as the floor surface. However, this backrest 102
The notch 104 is formed on the back surface of the luggage compartment, so that the expansion area of the floor surface of the luggage compartment is limited by that amount, and there is a concern that the external appearance may be deteriorated.

On the other hand, the latter, Japanese Utility Model Application Laid-Open No. 23433/1985.
According to the publication, the backrest body 202 and the auxiliary part 2
By arranging 03 in the storage position C, it becomes possible to configure the same plane as the floor surface of the luggage compartment. However, when the backrest body 202 is placed at the reclining position, the auxiliary portion 203 remains at the sitting position, so that the effective width of the backrest is limited, and the auxiliary portion 203 is moved from the surface of the backrest body 202 at the reclining position.
Surface protrudes forward of the vehicle body and hits the occupant's shoulder, affecting the comfort.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention, which has been made in view of the above points, is to increase the area of the expanded portion of the floor of the luggage compartment, improve the aesthetic appearance, and to assist the backrest at the reclining position. It is an object of the present invention to provide a vehicular rear seat capable of improving comfortability without protruding portions.

[0012]

According to a first aspect of the present invention, there is provided a vehicle rear seat including a backrest having a first rotary shaft extending in a vehicle width direction of a vehicle body at a lower portion. A backrest that moves the backrest to a reclining position in which the backrest is tilted rearward from a normal sitting position with the first rotation axis as a rotation center and a storage position in which the backrest is tilted forward from the sitting position; A movable side base disposed adjacent to an outer end of the backrest, and an auxiliary portion having a movable armrest disposed on a surface side of the side base, wherein the auxiliary portion includes In a seating assist position corresponding to the seating position of the backrest, the armrest is disposed at a storage position where the armrest overlaps with the side base, and a lower surface of the armrest is provided. At the reclining assist position corresponding to the reclining position of the backrest, the side base continuously arranges the surface of the side base on the surface of the backrest, and the armrest is arranged at the reclining assist position corresponding to the reclining position of the backrest. It is located at the use position pulled forward from the side base,
In the storage assisting position corresponding to the storage position of the backrest, the side base and the armrest overlap and fall forward, and the side base continuously arranges the back surface of the side base on the back surface of the backrest. It is characterized by having done.

According to the first aspect of the present invention, when the backrest is located at the seating position, the lower portion of the armrest of the auxiliary portion is continuous with the surface of the backrest by arranging the assisting portion at the seating assisting position. It is arranged and functions as a part of the backrest, the effective width of the backrest is secured,
In addition, it is possible to prevent the auxiliary portion from protruding from the surface of the backrest at the seating position and to obstruct the occupant, thereby ensuring the comfort.

When the backrest is located at the reclining position, the assisting portion is located at the reclining assisting position, so that the surface of the backrest and the surface of the side base are continuously arranged, and the side base is positioned at one side of the backrest. Functioning as an effective backrest width, and by pulling out the armrest forward and placing it in the use position, the auxiliary part can be prevented from protruding from the surface of the backrest in the reclining position and obstructing the occupants. Comfortability is improved.

Further, when the backrest is located at the storage position, the auxiliary portion is located at the storage assistance position so that the side base and the armrest are tilted forward, and the storage assistance position is located at the back of the backrest at the storage position. The rear surface of the side base can be continuously arranged, so that the auxiliary portion does not protrude from the rear surface of the backrest at the storage position to be in the way and does not impair the aesthetics and loadability due to the concave portion.

According to a second aspect of the present invention, in the vehicle rear seat according to the first aspect, the side base has a second rotation axis substantially on an extension of the first rotation axis of the backrest,
It is characterized by being supported movably between the seating assisting position, the reclining assisting position, and the storage assisting position with the second rotation shaft as a center of rotation.

According to the second aspect of the present invention, by rotating the side base about the second rotation axis, the side base can be disposed at the seating assisting position, the reclining assisting position, and the storage position. The operation for moving is simple and easy. Further, since the second rotation axis of the side base is set substantially on the extension of the first rotation axis of the backrest, the rotation operation of the side base can be made substantially the same as the rotation operation of the backrest. The structure for moving the side base can be simplified.

According to a third aspect of the present invention, in the vehicle rear seat according to the second aspect, the armrest has a third rotation shaft between the armrest and the side base, and the armrest is stored around the third rotation shaft. It is supported movably between the position and the use position.

According to the third aspect of the present invention, the armrest can be disposed at the storage position and the use position by rotating the armrest with respect to the side base about the third rotation axis. The operation for moving is simple and easy.

According to a fourth aspect of the present invention, in the vehicle rear seat according to the third aspect, the third rotary shaft is set at a position higher than the second rotary shaft of the side base disposed at the reclining assist position. It is characterized by.

According to the fourth aspect of the present invention, for example, when the front end of the armrest is pulled out forward and is arranged substantially horizontally, the height of the armrest becomes the first position of the lower end of the backrest.
It is set at a position higher than the rotation axis, and is arranged at a suitable position as an armrest.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a vehicle rear seat according to the present invention will be described below with reference to the drawings.

1 to 4, reference numeral 10 denotes a rear seat for a vehicle. FIG. 1 shows a state in which the backrest 30 is arranged at a normal sitting position A3, and FIG.
FIG. 3 is a perspective view showing a state in which the backrest 30 is arranged in the storage position C3, and FIG. 4 is an exploded perspective view of the backrest 30. The backrest 30 is divided into two parts in the vehicle width direction and disposed on the left and right. FIGS. 1, 2 and 4 show the right backrest 30, and FIG. 3 shows the left backrest 30. Is shown.

The vehicle rear seat 10 includes a seat cushion 20, a backrest 30, and an auxiliary portion 40 as main components. The auxiliary portion 40 further includes a side base 50 and an armrest 60. . These members are attached to the vehicle body floor 70 directly or via other members.

The seat cushion 20 on which the occupant sits is
It is long in the left-right direction and fixed to the vehicle body floor 70.

The backrest 30 has a bracket 31 at its lower part as shown in FIG.
Is fixed to the vehicle body floor 70 by a fastening member, and the backrest 30 has a first rotation axis R1 rotatably supported by the bracket 31 at a lower portion.

The first rotation axis R1 has a center of rotation extending in the width direction of the vehicle body floor 70, and
0 further includes a headrest 32 (see FIG. 4) that can be moved up and down, a center armrest 33 that can rotate forward by about 90 degrees around the lower end and project from the backrest 30, a cargo net 34, and the like.

The backrest 30 is connected to the first rotation axis R1.
The seating position A3 shown in FIG. 1, the reclining position B3 shown in FIG. 2, and the storage position C3 shown in FIG. Here, reclining position B
3 is a position inclined backward from the seating position A3, and a storage position C3 is a position that is tilted forward from the sitting position A3. The rear surface 30b is substantially horizontal and forms, for example, substantially the same plane that is continuous with the floor surface 71a (see FIG. 3) of the luggage compartment 71 behind the rear seat 10.

Further, at the outer end of the backrest 30,
A storage recess S for mounting and storing the auxiliary unit 40 is provided.

The auxiliary portion 40 has a movable side base 50 disposed adjacent to the outer end of the backrest 30 at the sitting position A3, and a movable side base disposed on the front side of the side base 50. Armrest 60.

As a whole, the auxiliary portion 40 has a second rotation axis R2 having a rotation center extending in the vehicle width direction substantially on the extension line of the first rotation axis R1 of the backrest 30.
The backrest 30 shown in FIG.
, A seating assist position A4 corresponding to the seating position A3, a reclining assist position B4 corresponding to the reclining position B3 of the backrest 30 shown in FIG. 2, and a storage assisting position corresponding to the storage position C3 of the backrest 30 shown in FIG. C4
It is configured to move between.

The base end of the side base 50 is rotatably supported on the vehicle body floor 70. The side base 50 has a front-rear direction (an arrow F in FIG.
Indicates the rearward direction of the vehicle body, respectively. 1) is disposed rearward of the armrest 60 at the seating assist position A5 shown in FIG.

The rotation center of the side base 50 is
This is the rotation axis R2. That is, the center of rotation of the side base 50 is the auxiliary part 4 to which an armrest 60 described later is added.
0 coincides with the second rotation axis R2. The side base 50 is
A seating assist position A5 corresponding to the seating position A3 of the backrest 30 shown in FIG. 1 around the second rotation axis R2.
And a reclining assistance position B5 corresponding to the reclining position B3 of the backrest 30 shown in FIG. 2 and a storage assisting position C5 corresponding to the storage position C3 of the backrest 30 shown in FIG. ing.

A small notch 51 is provided at the base end of the side base 50 on the rear surface 50b side to prevent interference with the apron 72 projecting from the side wall of the vehicle body into the vehicle interior. Here, “small” means that it is smaller than the notch 104 in the conventional technique shown in FIG.

The base end of the armrest 60 is rotatably supported by the side base 50. That is, the armrest 60 is disposed between the side base 50 and the second base.
The armrest 60 has a third rotation axis set in parallel with the rotation axis R2, and the armrest 60 has a seating position A3 of the backrest 30 and a seating assistance position of the side base 50 shown in FIG. Storage position A6 corresponding to A5
And a reclining assist position B3 of the backrest 30 and a reclining assist position B of the side base 50 shown in FIG.
5 and a storage position C6 corresponding to the storage position C3 of the backrest 30 and the storage auxiliary position C5 of the side base 50 shown in FIG.

As shown in FIG. 4, the vehicle body floor 70 has a luggage compartment 71 behind the backrest 30.
On one floor surface 71a, an apron 72 of a rear wheel projects inward at an end thereof. The auxiliary part 4
0 and the side base 50 and the armrest 60
Is located on the front side of the apron 72 in the vehicle body.

Next, the operation (action) of the rear seat 10 having the above configuration will be described.

Prior to this description, the front surface, back surface, upper surface, back surface, etc. of the backrest 30, the side base 50, and the armrest 60 will be described with reference to FIG. 1. The backrest 30 is located at a seating position A3 shown in FIG. The surface on the arrow F side, that is, the front surface of the vehicle body is the front surface 30a, the surface on the arrow R side is the back surface 30b, and the side base 50 is the surface on the arrow F side at the seating assist position A5 shown in FIG.
The surface on the arrow R side is the back surface 50b, and the armrest 60 has the lower surface 60a on the arrow F side and the upper surface 60b on the arrow R side in the storage position A6 shown in FIG.

Each of these surfaces is represented by the same name and code as above even when the position changes.

As shown in FIG. 1, the backrest 30, the side base 50, and the armrest 60 are each placed in a sitting position A.
3. When the seating assist position A5 and the storage position A6 are arranged, the back surface 30b of the backrest 30 and the back surface 50b of the side base 50 are continuously arranged on substantially the same plane, and the surface 30a of the backrest 30 and the lower surface of the armrest 60 are arranged. 60a are continuously arranged on substantially the same plane.

Accordingly, the lower surface 60b of the armrest 60 functions as a part of the backrest, and the effective width as the backrest is sufficiently secured, so that the livability is secured. The lower surface 60a of the armrest 60 is
It does not protrude from the surface 30a of the backrest 30 and does not obstruct the occupant sitting on the seat cushion 20 and leaning his back on the surface of the backrest 30. In this state, since the notch 51 of the rear surface 50b of the side base 50 is in contact with the apron 72, the side base 50 does not tilt backward any more.

Next, as shown in FIG.
0, the side base 50, and the armrest 60 are arranged at the reclining position B3, the reclining assist position B5, and the use position B6, respectively. That is, the backrest 30 is inclined rearward about the first rotation axis R1 from the seating position A3, and is disposed at the reclining position B3. The side base 50 is stored at the reclining assisting position B5, which is the position of the seating assisting position A5. Armrest 60 in position A6
Is rotated about 90 degrees forward about the third rotation axis R3, and is disposed at the use position B6.

In this state, the backrest 30 is slightly inclined backward with respect to the side base 50 which does not change its position from the seating assist position A5 by contacting the apron 72, so that the surface 30a of the backrest 30 is The surface 50a is arranged substantially continuously with the surface 50a.

Therefore, the surface 50a of the side base 50
However, the surface 50a of the side base 50 satisfactorily abuts the shoulder of the occupant leaning back on the surface of the backrest 30 because the surface 50a of the side base 50 does not fall significantly from the surface 30a of the backrest 30. It functions as a part of the backrest, and the effective width as the backrest is secured, so that there is no fear that the occupant will feel uncomfortable, and the livability is sufficiently secured.

Further, in this state, the armrest 6
Since 0 is arranged at the substantially horizontal use position B6, the passenger can put his arm on the upper surface 60b of the armrest 60.

Next, as shown in FIG.
0, the side base 50, and the armrest 60 are disposed at the storage position C3, the storage auxiliary position C5, and the storage position C6, respectively.

That is, from the above-described seating position A3, the backrest 30 is tilted forward about the first rotation axis R1 and disposed at the storage position C3. Similarly, the side base 50 is tilted forward together with the backrest 30. Storage assist position C
5. It is arranged at the storage position C6.

Thus, the rear surface 50 of the side base 50
b is arranged continuously with the back surface 30b of the backrest 30, and forms the same plane, so that an expanded portion of the luggage compartment floor surface is obtained. However, the notch 51 on the back surface 50b of the side base 50 is exposed facing upward. However, since the notch 51 is extremely small, the appearance is greatly impaired, and when the luggage is placed on the back surface 30b of the backrest 30. There is no major obstacle.

[0049]

As described above, according to the vehicle rear seat of the present invention, the auxiliary portion is disposed at the storage position where the armrest overlaps the side base at the seating auxiliary position corresponding to the seating position of the backrest. The lower surface is continuously arranged on the surface of the backrest, and at the reclining assist position corresponding to the reclining position of the backrest, the side base continuously arranges the surface on the surface of the backrest and the armrest is pulled forward from the side base. And in the storage assist position corresponding to the storage position of the backrest, the side base and the armrest are tilted forward so as to overlap, and the side base is placed on the back of the backrest. By configuring it to be continuously arranged, the backrest Placed in a seated position, when placing the auxiliary section in a seated auxiliary position is the lower surface of the surface of the backrest and armrest is continuously arranged, comfort is ensured been effective width is ensured as a backrest.

When the backrest is located at the reclining position, the auxiliary portion is arranged at the reclining assisting position, so that the surface of the backrest and the surface of the side base are continuously arranged, and the side base is positioned at the backrest. Function as a part of the backrest, the effective width of the backrest is secured, and by pulling out the armrest forward and placing it in the use position, the auxiliary part protrudes from the surface of the backrest in the reclining position and obstructs passengers This is avoided and the livability is sufficiently ensured.

Further, when the backrest is located at the storage position, the auxiliary portion is located at the storage assistance position, so that the side base and the armrest are tilted forward, and the storage assistance position is located at the back of the backrest at the storage position. By continuously arranging the backs of the side bases, an extended portion of the luggage compartment floor surface can be obtained, and the auxiliary portion protrudes from the back of the backrest at the storage position, which does not impair the aesthetics and the loadability. Thus, a high quality vehicle rear seat can be obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view of a rear seat illustrating a state in which a backrest for explaining an embodiment of a vehicle rear seat according to the present invention is disposed at a seating position.

FIG. 2 is also a perspective view of a rear seat in a state where a backrest according to the present embodiment is disposed at a reclining position.

FIG. 3 is a perspective view of the rear seat in a state where the backrest according to the present embodiment is located at a storage position.

FIG. 4 is an exploded perspective view of the backrest according to the embodiment.

FIG. 5 is a side view showing the operation of a conventional backrest of a rear seat.

FIG. 6 is a perspective view of a conventional rear seat in a state where a backrest of the rear seat is disposed at a storage position.

FIG. 7 is a perspective view of another conventional rear seat.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Vehicle rear seat 20 Seat cushion 30 Backrest 30a Backrest surface 30b Backrest back surface 40 Auxiliary part 50 Side base 50a Sidebase surface 50b Sidebase back surface 51 Notch portion 60 Armrest 60a Lower surface of armrest 60b Upper surface of armrest 70 Body A3 Backrest seating position A4 Auxiliary seating auxiliary position A5 Side base seating auxiliary position A6 Armrest storage position B3 Backrest reclining position B4 Auxiliary reclining assisting position B5 Side base reclining assisting position B6 Use of armrest Position C3 Storage position of backrest C4 Storage auxiliary position of auxiliary part C5 Storage auxiliary position of side base C6 Storage position of armrest R1 First rotation axis R2 Second Rotation axis R3 Third rotation axis

Claims (4)

[Claims] 1. A backrest having a first rotating shaft extending downward along a vehicle width direction of a vehicle body, wherein the backrest is inclined rearward from a normal seating position about the first rotating shaft as a center of rotation. In the rear seat for a vehicle that moves from the reclined position and the seated position to the storage position where the seat is tilted forward, a movable side base disposed adjacent to an outer end of the backrest at the seated position; An auxiliary part having a movable armrest disposed on the surface side of the side base, wherein the auxiliary part has the armrest overlapped with the side base at a seating auxiliary position corresponding to the seating position of the backrest. And the lower surface of the armrest is continuously arranged on the surface of the backrest, and the reclining of the backrest is performed. In the reclining assist position corresponding to the riding position, the side base continuously arranges the surface of the side base on the surface of the backrest, and the armrest is arranged at a use position pulled forward from the side base, At the storage assist position corresponding to the storage position of the backrest, the side base and the armrest overlap and fall forward, and the side base continuously arranges the back surface of the side base on the back surface of the backrest. A rear seat for a vehicle, comprising: 2. The side base has a second rotation axis substantially on an extension of the first rotation axis of the backrest.
2. The vehicle rear seat according to claim 1, wherein the vehicle rear seat is supported so as to be movable between the seating assist position, the reclining assist position, and the storage assist position around a rotation axis. 3. The armrest has a third rotation shaft between the armrest and the side base, and is supported movably between the storage position and the use position around the third rotation shaft as a rotation center. The vehicle rear seat according to claim 2, wherein: 4. The vehicle rear seat according to claim 3, wherein the third rotation shaft is set at a position higher than the second rotation shaft of the side base disposed at the reclining assist position.