JP3268417B2 - Automotive seats and passenger cars equipped with these seats - 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 suitably mounted on a vehicle such as a wagon or a minivan, and a passenger car provided with the seat.

[0002]

2. Description of the Related Art In this type of vehicle, a front seat (first seat) is provided.
Sheet), a second sheet (second sheet), and a third sheet (third sheet) are arranged in tandem. A passenger car having such a large number of seats is usually provided with a function of changing the arrangement of seats, and is designed to improve usability and the like.

[0003] Examples of conventional seat arrangements include those in which the seat backs of all the seats are bent rearward substantially horizontally and the seat cushion and the seat back are arranged so as to be flat as a whole (so-called full flat),
2. Description of the Related Art There is known a seat in which a specific seat, for example, a second seat is rotated on a floor so as to be opposed to a third seat. Further, in a vehicle provided with a child seat (child seat), for example, a vehicle in which a dedicated child seat is incorporated in a second seat using a seat back is known.

[0004]

By the way, the seat is usually designed according to the body shape of an adult, and is arranged at a predetermined position in a vehicle compartment. Therefore, when a small-sized child sits on the seat seating surface, the child sits as if buried in the seat. That is,
While using the same seating surface of the seat, it is substantially difficult to arrange the contents and number of occupants such as the body type and the number of the occupants, for example, a seat arrangement that can be shared by adults and children as in this example, and such a seat is also difficult. The sheet which enables arrangement is not known conventionally.

[0005] In addition, as for the seat back, there is a seat back in which a child seat is incorporated in the seat back as in the above-mentioned example, but other seat arrangements in which the seat back can be actively used as an indoor table are also known. Not. As described above, in the conventional vehicle seat, the mode of the seat arrangement is limited, and a vehicle seat that can effectively cope with the situation of the occupant has been long-awaited.

The present invention has been made in view of the above circumstances, and provides an automobile seat capable of realizing a seat arrangement that can effectively and optimally cope with the situation of the occupant's sitting height and the number of passengers, and a passenger car provided with the seat. With the goal.

[0007]

According to the present invention, there is provided a vehicle seat according to claim 1, which is supported at a predetermined height on a floor and is horizontally arranged, and a base for driving the vehicle through a vertical drive mechanism. And a seat having a seatback connected at the rear end of the seat cushion, the seat cushion being configured to be able to move up and down a predetermined stroke from the base. The seat cushion is divided into a plurality of different height positions, and the sub cushion is rotatably supported at the front end of the base. When the seat is in the raised position,
Cushion separates from the cushion body and the front end of the base
At the lower position of the cushion body
It moves so that it constitutes a footrest .

[0008]

[0009] In automotive seat according to claim 2, a vertical driving mechanism of the sheet, was constructed by the rotation on the base rotatably coupled parallel link mechanism.

In the vehicle seat according to the third aspect, the seat back is rotatably connected in the front-rear direction at the rear end of the seat cushion, and when the seat back falls down to the front side, the back surface thereof is in a horizontal plane. It was formed so as to function as a table.

[0011] In automotive seat according to claim 4, based on, and configured to rotatably support the floor.

[0012] In the passenger car according to the fifth aspect, the first seat, the second seat, and the third seat are arranged in tandem in front and rear,
At least as the second seat, a vehicle seat according to claim 4 is provided.

[0013]

According to the vehicle seat of the present invention, the seat cushion is set at a predetermined height position on the floor via the base, thereby forming a normal seat set for adults. In addition, by raising the seat cushion from the base via a suitable vertical drive mechanism such as a link mechanism, the seat can be arranged as a seat at a height that is optimal for a child. In this case, by rotating the sub-cushion divided from the cushion main body of the seat cushion at the front end of the base, the sub-cushion can be used as a footrest of a child, that is, a footrest, and the usability when the child is seated is used. Can be improved.

Using the same seating surface of the seat,
A seat arrangement that can be shared by adults and children can be realized. On the other hand, the seat back rotatably connected to the seat cushion is folded forward so as to overlap with the seat cushion, and the table, table, etc. Can be configured. Further, by setting the seat cushion to a normal height in a state where the seat back is folded, a leg rest or a footrest can be formed.

Further, according to the automobile seat of the present invention,
The base connected to the seat cushion via the vertical drive mechanism is rotatably supported on the floor. In this case,
By folding the seat back toward the seat cushion and turning the entire base toward the front seat in this state, the seat can be stored extremely compactly.

According to the automotive seat of the present invention, it is possible to realize an extremely diverse seat arrangement.
When this is installed in a passenger car, it is preferably used as a second seat in a passenger car in which a first seat, a second seat and a third seat are arranged in tandem. By equipping a multi-passenger car such as a wagon with the seat of the present invention, it can be used effectively according to the contents such as the physique of the occupant and the situation of the number of people.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a vehicle seat according to the present invention and a passenger car provided with the seat will be described below with reference to the drawings. In this embodiment, a front seat (first seat) 10, a second seat (second seat) 20, and a third seat (third seat) on a floor 2 of a body 1 in a passenger car such as a wagon as shown in FIG. Sheets) 30 are arranged in tandem in front and back. It is assumed that a passenger car having such a large number of seats is provided with, for example, a second seat 20 configured according to the present invention. The present invention can also be applied to the front seat 10 and the third seat 30.

In the embodiment shown in FIG.
0 and the second seat 20 are set at substantially the same height position, and the third seat 30 is
It is set slightly higher than. FIG. 1 shows a state in which an adult is seated on the second seat 20, but when an occupant with a low sitting height (hereinafter, simply referred to as a child) such as a child sits on the second seat 20, for example. As shown in FIG. 2, the second seat 20 is configured to be able to ascend to a height position most suitable for a child.

Next, with reference to FIG. 3, a specific example of the structure of the up and down mechanism of the second seat 20 will be described. The second seat 20 has a seat cushion 21 and a seat back 22 rotatably connected at a rear end of the seat cushion 21 via a pivot 23 so as to be tilted in the front-rear direction. The base 24 is supported at a predetermined height position on the floor 2 by the legs 24a and the pivot 25, and is horizontally arranged. The base 24 is also supported rotatably (left-handed in the figure) with respect to the floor 2 via a pivot 25. The seat cushion 21 is connected to a base 24 via a vertical drive mechanism, in this embodiment, a link mechanism 26, and is configured to be able to move up and down by a predetermined stroke from the base 24.

The link mechanism 26 can be constituted by parallel members including link members 26a and 26b rotatably connected to appropriate positions on the base 24 and a connection bar 26c connecting the link members 26a and 26b. it can.
In the illustrated example, when each link member 26a, 26b turns left in the figure, the seat cushion 21 is raised. The height at which the seat cushion 21 is raised by the link mechanism 26 can be set as appropriate depending on the length of the link members 26a and 26b, but in the present embodiment, particularly based on the difference in physique between adults and children, that is, the height of the sitting height. It is determined. The link mechanism 26 can be formed in multiple stages by connecting a plurality of link members, whereby the seat cushion 21 can move up and down in multiple stages.

Further, in this embodiment, the seat cushion 21 is divided into a cushion main body 21a and a sub-cushion 21b disposed adjacent to the front end side of the cushion main body 21a. Both are normally integrated as shown in the figure, and at this time, constitute a seat surface having a depth suitable for the length of the upper leg of an adult. On the other hand, by dividing the sub-cushion 21b and moving the sub-cushion 21b to a lower position as shown in FIG. 4 (b), a seat cushion is constituted only by the cushion main body 21a. Are dimensioned to form The sub cushion 21b is rotatably supported by the base 24 at a front end of the base 24 via a link member 27 connected to the base 24 and the sub cushion 21b.

In the automobile seat and the passenger car of the present invention configured as described above, under normal conditions, the seat cushion 21 is positioned at a predetermined height position (the highest position) on the floor 2 via the base 24 as shown in FIG. (Lower position), which constitutes a normal seat set for an adult. The adult as an occupant can sit on the second seat 20 at this time in an appropriate posture as shown in FIG. it can.

According to the present invention, a useful and effective seat arrangement can be provided. Next, some typical modes will be described. First, seat cushion 2
1 is lifted from the base 24 via an up-down drive mechanism, for example, a link mechanism 26, so that the second seat 20
The height of the seat is set at a position raised to a height optimal for the child as shown in FIG. In this case, FIG.
As shown in (b), the link mechanism 26 is rotated counterclockwise, and the sub-cushion 21b of the seat cushion 21 and the divided sub-cushion 21b are pivoted at the front end of the base 24, whereby the sub-cushion 21b is rotated.
Is separated from the cushion main body 21a and moved to the lower position, a footrest (footrest) for a child is formed,
The seat can be seated in a comfortable and comfortable position, and the usability when the child is seated is improved. Thus, the second sheet 20
, The seating position of the child sitting on the seat increases. As a result, it is possible to maintain a substantially horizontal position and speak while approaching the eyes of the passengers on board, thereby giving the child a sense of security and providing effects such as providing a wide field of view.

FIG. 5 shows an example of a seat arrangement in the case where a table is constituted by the second seat 20. In this case, as shown in FIGS. 6A and 6B,
A seat back 22 rotatably connected to a seat cushion 21 is attached to a seat cushion 2 around a pivot 23.
Fold it forward so that it overlaps 1. The rear surface of the seat back 22 is configured to form a horizontal plane by being moved forward. Next, the seat cushion 21 (cushion main body 21a) is connected to the base 24 via the link mechanism 26.
, The whole of the seat cushion 21 and the seat back 22 stacked thereon rise, and the table can be configured in this state. According to this seat arrangement, as shown in FIG.
The occupant sitting on the vehicle can place an appropriate article such as a cup on the horizontal back surface of the seat back 22 set at a suitable height position.

FIG. 7 shows an example of a seat arrangement when the second seat 20 is used as a footrest. In this case, as shown in FIGS. 8 (a) and 8 (b), the seat cushion 21 is folded up around the pivot 23 in the same manner as in the case of forming the table, and the seat cushion 21 is raised to a normal height (ie, (Bottom position). At this time, the third sheet 30 may be brought closer to the second sheet 20 by an appropriate amount as needed. According to this seat arrangement, as shown in FIG.
The occupant of No. 0 can rest on his / her legs on the seat back 22 and relax his posture.

FIG. 9 shows an example of a seat arrangement when the second seat 20 is stored. In this case, the seat back 22 is folded as shown in FIG. Especially base 2
4 is supported on the floor 2 via a base leg 24a and is configured to be rotatable via a pivot 25.
Therefore, in the state of being folded as described above, the entire base 24 around the pivot 25 is placed in the front seat (front seat 1).
By rotating to the 0) side, the second seat 20 can be stored extremely compactly as shown in FIG.

In the above embodiment, an example in which the second seat 20 is applied to the present invention has been particularly described. This is suitable for a case where three seats are arranged in cascade like the passenger car according to the present embodiment. This is a simple example.
Incidentally, the present invention can also be applied to the front seat 10 or the third seat 30. Also, the present invention can be similarly applied to a passenger car in which four or more seats are arranged in tandem, and the same operation and effect as those of the above embodiment can be obtained. In the illustrated embodiment, a parallel link mechanism has been described as a vertical driving mechanism for the seat. However, the present invention is not limited to this, and an appropriate driving mechanism such as a hydraulic type or a pneumatic type can be adopted. Can be finely adjusted in multiple steps or steplessly.

[0028]

As described above, according to the present invention, the seat is adjusted to the optimum height according to the body shape of the child or adult by moving the seat cushion up or down via the vertical drive mechanism. By dividing the sub-cushion from the cushion main body of the seat cushion and rotating the sub-cushion downward, the sub-cushion can be used as a footrest. it can. As described above, according to the present invention, it is possible to easily provide a useful seat arrangement according to the situation such as the content of the occupant's body and the number of people, and various varieties that could not be realized with a multi-passenger car conventionally. It has advantages such as enabling seat arrangement.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a normal seat arrangement in an embodiment of the present invention.

FIG. 2 is a schematic view showing a seat arrangement constituting a child seat in an embodiment of the present invention.

FIG. 3 is a diagram showing a configuration of a main part of an automobile seat according to the present invention.

FIG. 4 is a view showing a procedure of a seat arrangement relating to a child seat according to the embodiment of the present invention.

FIG. 5 is a schematic diagram showing a seat arrangement forming a table in the embodiment of the present invention.

FIG. 6 is a diagram showing a procedure of a seat arrangement when a table is configured in the embodiment of the present invention.

FIG. 7 is a schematic view showing a seat arrangement constituting a leg rest in the embodiment of the present invention.

FIG. 8 is a diagram illustrating a procedure of a seat arrangement when a leg rest is configured in the embodiment of the present invention.

FIG. 9 is a schematic diagram showing a seat arrangement when sheets are stored in the embodiment of the present invention.

FIG. 10 is a diagram showing a procedure for arranging sheets when storing sheets in the embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 1 body 2 floor 10 front seat 20 second seat 21 seat cushion 22 seat back 23 pivot 24 base 26 link mechanism 27 link member

Continuation of the front page (51) Int.Cl. ⁷ Identification symbol FI B60N 3/06 B60N 3/06 (56) References JP-A-60-199742 (JP, A) JP-A-5-77667 (JP, A) Japanese Utility Model Showa 57-108439 (JP, U) Japanese Utility Model Showa 59-81629 (JP, U) Japanese Utility Model Utility Model 3-93233 (JP, U) Japanese Utility Model Showa 55-114736 (JP, U) (58) Fields surveyed (Int.Cl. ⁷ , DB name) B60N 2/16 A47C 1/035 B60N 2/30 B60N 2/34 B60N 3/00 B60N 3/06

Claims (5)

(57) [Claims] 1. A base supported at a predetermined height on a floor and horizontally arranged, and connected to the base via a vertical drive mechanism so as to be able to move up and down a predetermined stroke from the base. And a seat having a seat back connected at a rear end of the seat cushion. The seat cushion is divided into a cushion body and a sub-cushion located on the front side of the cushion body. is the the seat cushion is set at a plurality of different height positions, it said to be rotatably supported sub cushion at the base of the front end, when the sheet is in the raised position, the sub cushion
Is separated from the cushion body and the front end of the base
The cushion body is turned downward
A vehicle seat, wherein the seat is moved to a position where the footrest is formed . 2. The vehicle seat according to claim 1, wherein the vertical drive mechanism of the seat is constituted by a parallel link mechanism rotatably coupled to the base. 3. The table or table according to claim 1, wherein the seat back is rotatably connected in the front-rear direction at a rear end portion of the seat cushion. The vehicle seat according to claim 1, wherein the vehicle seat functions as a vehicle. 4. The vehicle seat according to claim 1, wherein the base is rotatably supported on the floor. 5. A passenger car comprising a first seat, a second seat, and a third seat arranged in tandem in front and back, and comprising at least the vehicle seat according to claim 4 as the second seat.