JPH11301323A - Vehicular seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicular seat capable of being made into the flatter state and capable of being easily operated. SOLUTION: Front and rear seat backs 11, 41 can be forward folded until they are made into the horizontal states, and a back board 20 is rotatably attached on the back surface of the rear seat back 11 through rotational hinges 17. When a vehicular seat is made into the flat state, the back board 20 is rotated 180 deg. in a state where both front and rear seat backs 11, 41 are forwardly folded, and the tip edge is locked on the edge of the front seat, back 41. Therefore, the back board 20 is laid between the front and rear seat backs 11, 41, and the vehicular seat is made into the flat state. In this state, since the seat surfaces of the seats are hidden and the flat back surfaces of the seat backs 11, 41 face upward, the completely flat state can be obtained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flat interior vehicle seat.

[0002]

2. Description of the Related Art FIG. 5 shows an example of an in-vehicle seat in consideration of flatness. This car seat 1
Is composed of a front seat 2 and a rear seat 3. Normally, as shown in FIG. 5A, the seat backs 2A, 3A of the two seats 2, 3 are set up and the rear seat back 3A The partition net 5 extends between the upper end of the vehicle and the ceiling surface 4 in the vehicle. When flattening the interior seat 1, as shown in FIG. 5B, the headrest 6 is removed and the front seat back 2 is removed.
A is tilted backward, the partition net 5 is removed, and the rear seat back 3A is tilted rearward.

[0003]

However, in general, the seat surface of the seat has an uneven shape according to the body shape in consideration of the sitting comfort, and the seat surface of the seat is flat like the above-mentioned conventional vehicle interior seat. Cannot be completely flattened. In addition, the above-described structure has a problem that the headrest 6 must be removed when flattening, which is troublesome.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an in-vehicle seat that can be further flattened and that can be easily operated.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, both front and rear seat backs provided in an automobile are provided so as to fall forwards until they become horizontal, and their backs are provided. Is formed in a planar shape, and a flat backboard is superimposed on the back surface of one of the seatbacks, and is provided rotatably via a hinge disposed on an edge near the other seatback. The present invention is characterized in that the backboard and the front and rear seatbacks are flush with each other when the backboard is turned upside down by about 180 degrees in a state where the front and rear seatbacks are tilted horizontally.

According to a second aspect of the present invention, in the vehicle interior seat according to the first aspect, a step portion is provided at an edge of one of the back surfaces of the other seat backs provided with the backboard, and the step portion is provided. The feature is that the front end of the backboard which is turned about 180 degrees is locked.

According to a third aspect of the present invention, in the vehicle seat according to the first or second aspect, the backboard, which is inverted by about 180 degrees, comes into contact with and supports the rear surface of the headrest provided on the rear seatback. It is characterized by the fact that it is performed.

[0008]

According to the first aspect of the present invention, in order to flatten the vehicle interior seat, the front and rear seat backs are first tilted forward until they become horizontal. Then, when the backboard provided on the back of one of the seatbacks is rotated about the hinge and turned about 180 degrees, the backboard is inserted between the front and rear seatbacks. In this state, the seating surface of the seat is hidden, and the flat back surface of the seat back and the flat backboard continue to be further flattened.

According to a second aspect of the present invention, the tip of the backboard is supported by engaging with the step of the other seatback,
The support strength of the backboard is increased.

According to the third aspect of the present invention, the backboard can be turned about 180 degrees without removing the headrest, so that operability is good, and since the backrest is supported by the headrest, the supporting strength of the backboard is increased. .

[0011]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
A description will be given based on FIG. The interior seat of the present embodiment is:
As shown in FIG. 1, a pair of seats is provided in front and back.

As shown in FIG. 2, the rear seat back 11 provided on the rear seat 10 has a metal frame 12 for maintaining strength embedded in a pad 13.
This is covered with a seat cover 30 (see FIG. 1).

The frame 12 has a structure in which a plurality of round bars 14A are inserted and welded, for example, between both sides of a main frame 14 having a rectangular frame shape. Pivot shaft 15 toward
15 are overhanging.

Each side of the main frame 14 is formed of a pipe material having a rectangular cross section (see FIG. 3). Is formed partially.

As shown in FIG. 2, hinge-shaped rotating hinges 17,
17 has one end fixed with bolts. A pair of sleeves 18, 18 are welded to an intermediate portion of the upper side of the main frame 14 facing the pad 13, and a pair of columns 19A, 19A provided on a headrest 19 described later. A headrest support member (not shown) is incorporated to support the headrest.

A rotary shaft 21 in the shape of a round bar extends across the opposing surfaces of the main frame 14 near the upper end on both sides.
The roll 22 is rotatably mounted there. One end of a partition net 23 is attached to and wound around the roll 22, and a pair of hooks 24, 24 are provided at the other end of the partition net 23. The roll 22 is urged in the winding direction by, for example, a spring (not shown). Partition net 2
3 is set.

As shown in FIG. 2, a groove 26 capable of accommodating the frame 12 is formed on the back surface of the pad 13, and the frame 12 is accommodated in the groove 26, and the entire rear seat back becomes planar. Seat cover 30
(See FIG. 1). As shown in FIG. 1, the rotation support shaft 15 of the frame 12 extends from holes 27 formed on both sides of the pad 13, and one end of the partition net 23 passes through an opening 31 formed in the seat cover 30. Is drawn out. The rotating hinge 17 is also exposed from the seat cover 30,
A back board 20 described later is fixed to the end.
Further, the striker portion 16 is also exposed, and a board lock 28 provided on the backboard 20 here (see FIG. 3).
Engage. As shown in FIG. 2, through holes 29, 29 corresponding to the sleeve 18 are formed at positions on the upper end surface of the pad 13 near the seating surface, and a head support member (not shown) is formed through the through hole 29. Is inserted into the sleeve 18, and the stay 19A of the headrest 19 is arranged on the seat surface side of the rear seat back 11 via the rear support member.

The back board 20 is formed of, for example, a high-strength synthetic resin having a rectangular flat plate shape of the same size as the main frame 14, and the rear seat back 11
Can be inverted by about 180 degrees about the hinge 17 from the state of being superimposed on the back surface. In the portion of the backboard 20 facing the striker portion 16,
A board lock 28 is provided. As shown in FIG. 3, the board lock 28 is rotatably provided inside a notch 32 formed on a rotating edge of the backboard 20, and is provided with a striker 16 by a spring (not shown). Are urged into a state of entering and engaging with the inside (see FIG. 3). Then, the engagement can be released by rotating from that state. An opening 33A is formed in the back board 20 between the mounting portions of the two rotating hinges 17, 17 so that a gentle depression 33 opens to the upper end surface of the seat back 11 as shown in FIG. The leading end of the partition net 23 can be pulled out from the opening 33A upward in FIG.

As shown in FIG. 1, the front seat back 41 of the front seat 40 is also tilted forward until it becomes horizontal, and a frame (not shown) is built therein. Even if a load is applied to the back of the back 41, the back 41 is not greatly deformed. On the back surface of the front seat back 41, a step 43 is provided at the end edge on the side of the rotating shaft 42, and when the front seat back 41 is horizontal, the step 43 is provided.
Is facing upward, and the tip of the backboard 20 is placed on the backboard 20. Further, the backboard 20 fits into the lower portion of the front seat back 41.

Next, the operation of the present embodiment will be described. Normally, as shown in FIG. 4 (A), the interior seat has the rear seat back 11 upright and the partition net 23
Is locked by the locking portion 25 on the ceiling surface.

In order to flatten the interior seat, first,
The hook 24 of the partition net 23 is removed from the engaging portion 25. Then, the roll 22 is rotated by a spring (not shown), and the partition net 23 is housed inside the rear seat back 11. Next, the front and rear seat backs 11, 41 are tilted forward until they are horizontal. Then, the board lock 28 of the back board 20 provided on the back surface of the rear seat back 11 is rotated so that the striker portion 16 is rotated.
Is released, and the backboard 20 is rotated about the rotation hinge 17 to be inverted by about 180 degrees. Then, the tip of the backboard 20 is the front seat back 4
1 and the front seat back 4
1, and the intermediate portion of the backboard 20 abuts against the back surface 19B of the headrest 19 of the rear seat back 11 and is supported horizontally (see FIG. 4B). As a result, the front and rear seat backs 1
1, 41 and the backboard 20 form a continuous flat surface.

As described above, according to the vehicle interior seat of the present embodiment, the seating surface 40 of the seats 10 and 40 having the uneven shape is formed.
A and 10A (see FIG. 1) are hidden and the flat back surfaces of the seatbacks 11 and 41 face upward, so that further flattening is achieved. Further, since the backboard 20 can be flattened without removing the headrest 19, the operability is good, and the headrest 19 allows the backboard 20 to be flattened.
, The supporting strength of the backboard 20 is increased. Moreover, when the rear seat back 11 is tilted forward,
It is only necessary to remove the partition net 23 from the ceiling surface, and there is no need to remove the partition net 23 from the rear seat back 11 as in the conventional case, so that the workability is good and the partition net 23 can be removed from the rear seat back 11.
It is housed in and does not get in the way.

<Other Embodiments> The present invention is not limited to the above embodiments. For example, the following embodiments are also included in the technical scope of the present invention.
In addition to the following, various changes can be made without departing from the scope of the invention. (1) In the above embodiment, the rear seat back 11 is provided with the back board 20. However, for example, the back seat 20 is provided on the back of the front seat back 41 of the above embodiment, and the lower end thereof is a rotary hinge. Alternatively, when the backboard 20 is turned upside down with both seatbacks 11 and 41 being horizontally tilted, the leading end thereof may be engaged with the leading end of the rear seatback 11. (2) In the above embodiment, the rear seat back 11 is provided with the partition net 23, but the rear seat back 11 may not be provided with the partition net 23.

[Brief description of the drawings]

FIG. 1 is a perspective view of an interior seat according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of a rear seat back.

FIG. 3 is a side sectional view of a rear seat back.

FIG. 4 (A) is a side view showing a vehicle interior seat in a normal state; FIG.

FIG. 5A is a side view showing a normal state of a conventional vehicle interior seat, and FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... In-vehicle seat 11 ... Rear seat back (seat back) 17 ... Rotating hinge 19 ... Headrest 20 ... Back board 41 ... Front seat back (seat back) 43 ... Step

Claims (3)

[Claims] 1. Both front and rear seat backs provided in an automobile are provided so as to fall to the front side until they become horizontal, and their backs are formed in a flat shape, and a flat back is provided on one of the seat backs. The backboard is stacked and is rotatably provided via a hinge disposed on the edge near the other seatback, and the backboard is tilted by about 180 degrees with the front and rear seatbacks horizontally tilted. An interior seat wherein the backboard and the front and rear seatbacks are flush with each other when the vehicle is turned over. 2. A stepped portion is provided at an edge of one of the backs of the other seatbacks on the side of the seatback provided with the backboard, and the front end of the backboard, which is inverted by about 180 degrees, is provided at the stepped portion. The vehicle interior seat according to claim 1, wherein the interior seat is locked. 3. The backboard, which is inverted by about 180 degrees, is supported in contact with the back of a headrest provided on a rear seat back. Car seat.