JP2002321555A - Vehicular seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicular seat to solve problems such as a space in a cabin that is narrowed by being occupied with the dedicated storage place for a sub-bed cushion, and the presence of a difference in level between the seat bed main body and the sub-bed cushion caused due to the avoidance of the troublesome height adjustment when the sub-bed cushion is mounted. SOLUTION: In the vehicular seat 1, the sub-bed cushion 4 is detachably provided to the seat back 3 as a part of the seat back 3, the seat bed body is formed with the seat 2 and the seat back 3 by tilting flatly the seat back 3, mounting rails 6a, 6b which are stored in the seat 2 and the seat back 3 are drawn out, the sub-bed cushion 4 which is removed from the upper part of the seat back 3 is mounted on the mounting rails 6a, 6b, to be added to the seat bed body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile seat, and more particularly, to an automobile automobile having a subbed cushion in which a seatback body can be widened by being added to a seatbed body in a state where a seatback is turned down. Regarding the sheet.

[0002]

2. Description of the Related Art When a conventional automobile reclining seat is used as a bed by flattening a seat back, a sub-bed cushion is added to a side portion of a seat bed body in order to increase a bed width (seat width). It is known that beds are used in a widened state.

[0003] The sub-bed cushion S used for widening the seat bed body of such an automobile seat is provided when the automobile seat is in a seat state such as when the automobile is running.
In a storage location X dedicated to the subbed cushion provided at a position such as beside the side trim, it is fastened and stored inside the automobile by a belt Y or the like in a folded state (see FIG. 6).

When the automobile seat is folded flat and used as the seat bed body Z, it is folded and fastened from the subbed cushion dedicated mounting storage location X located at a position next to the side trim or the like. The sub-bed cushion S is taken out and deployed, and is additionally installed beside the seat bed body Z. At this time, in the conventional sub-bed cushion S, in order to match the height of the seat bed body Z with the height of the sub-bed cushion S, the sub-bed cushion S is provided with an adjustable pipe leg T for height adjustment. At the bottom.
Adjust the height of the assembling type pipe leg T and place it beside the seat bed body Z, and place the sub bed cushion S on it.
(See FIG. 7).

[0005]

However, as in the prior art, a sub-bed cushion which is not used frequently because it is used only when the vehicle seat is placed in a bed state is stored in a dedicated storage for the sub-bed cushion. Location,
There is a problem that the storage space for other parts is narrowed in order to secure the space inside the car, which is a limited space.

[0006] Further, since a separately-installed pipe leg for adjusting the height of the sub-bed cushion is required separately, there is a problem of securing a storage place. It was necessary to adjust the height to match the height of the main body, but this height adjustment work was troublesome, and there was a problem that there was a possibility that a step could be formed between the seat bed main body and the sub bed cushion. there were.

[0007]

[Means for solving the problem] In order to solve this problem,
In an automobile seat that can be used in a bed state by tilting the seat back of the automobile seat, a subbed cushion is provided as a part of the seat back so as to be detachably attached to the seat back, and the seat back is flattened down. While forming the seat bed body with the seat and the seat back, pull out the mounting rail stored in the seat and the seat back,
A vehicle seat is proposed in which a sub-bed cushion detached from an upper portion of a seat back is placed on a mounting rail and the sub-bed cushion is added to a seat bed body.

[0008] In addition, in a vehicle seat which can be used in a state where the seat back of the vehicle seat is turned down to be used as a bed, a sub-bed cushion is provided as an upper portion of the seat back so as to be detachably attached to an upper portion of the seat back. On the back of the subbed cushion, a stay lock that can be fixed to the headrest stay of the seat back and a plurality of positioning stoppers having a width that can be engaged with the mounting rail are provided, and the seat back is flattened and the seat and the seat back While forming the bed body, pull out the mounting rail stored in the seat and seat back, place the sub-bed cushion removed from the upper part of the seat back on the mounting rail, and attach the sub-bed cushion to the seat bed body. Characterized by adding It proposes a dynamic car seat.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of the present invention, in which a seat back of an automobile seat is in a seat state. FIG. FIG. 2, which is a perspective explanatory view in the case of the bed in a closed state, FIG. 3, which is a partial sectional view taken along the line AA in FIG. 1, FIG. 4, which is an explanatory view of a seat frame and a mounting rail of the present invention, FIG. This will be described with reference to FIG. 5 which is a partial perspective view showing a part of the back surface of the cushion.

An automobile seat 1 according to an embodiment of the present invention
Is composed of the seat 2 and the seat back 3, and from a seat state such as when the vehicle is running with the seat back 3 upright,
This is a reclining type automobile seat that can be used in a bed state (seat bed body) in which the seat back 3 is turned down and the seat 2 and the seat back 3 are flat.

The seat back 3 is provided with a sub-bed cushion 4 as an upper portion of the upper part 2 in the seat state. The subbed cushion 4 is attached to the headrest stay 7 attached to the seat back 3 by two stay locks 42 provided on the back surface of the subbed cushion 4. The subbed cushion 4 can be attached to or removed from the upper portion of the seat back 3 by tightening or loosening the stay lock 42.

The seat 2 and the seat back 3 have a mounting rail storage portion 5a and a mounting rail storage portion 5b which are opened on the respective seat side surfaces 20 and side surfaces 30. The mounting rail storage sections 5a and 5b are each formed of a hollow rectangular cylinder, and each includes a seat 2 and a seat back 3
It is a seat frame. In this embodiment, the rectangular cylinder is
It is a square cylinder.

In each of the hollow rectangular cylinders of the mounting rail storage sections 5a and 5b, mounting rails 6a and 6b having an outer shape that can slide substantially in accordance with the inner shape of the hollow rectangular cylinder are slidably provided. ing. Mounting rail storage sections 5a, 5b
Is 1000 mm, and the length of the mounting rails 6a and 6b to be stored is about 300 mm. When the vehicle seat 1 is in the seat state, the mounting rails 6a and 6b are entirely stored in the mounting rail storage portions 5a and 5b, respectively, and the mounting rail storage portions 5a of the seat side surface 20 and the side surface 30 are provided. The opening of the mounting rail storage unit 5b is closed by the heads 60a and 60b of the mounting rails 6a and 6b. Although the number of the mounting rail storage portions 5a and 5b and the number of the mounting rails 6a and 6b are two in this embodiment, three or more mounting rails can be provided. In other embodiments, the cylindrical shape of the mounting rails 6a and 6b may be a cylindrical body, a hexagonal cylindrical body, an octagonal cylindrical body, or the like.

The sub-bed cushion 4 has substantially the same thickness as the thickness of the seat 2 and the seat back 3 of the vehicle seat 1, and is rectangular and has a length in the longitudinal direction substantially equal to the width of the vehicle in the lateral direction of approximately 3. Formed the same. The width of the subbed cushion 4 in the width direction of the rectangle is appropriate,
This is the size of the widened width of the bed when the seat back 3 is in the bed state. The surface of the subbed cushion 4 is 3
The surface is preferably made of the same material, color, design, and the like as the surface, but may be a surface made of another material, color, design, or the like.

On the back surface 40 of the subbed cushion 4,
A plurality of positioning stoppers 41 and stay locks 42
Is provided. In this embodiment, the number of the positioning stoppers 41 is two, which corresponds to the number of the mounting rails 6a and 6b. The distance between the two positioning stoppers 41 also corresponds to the distance between the mounting rails 6a and 6b when the vehicle seat 1 is in a bed state. The positioning stoppers 41, 41 have opposite inner corners of a right angle in cross section, respectively. The mounting rails 6a, 6b drawn out of the mounting rail storage portions 5a, 5b by the right angled inner angles respectively have the mounting rails 6a, 6b. 6b engage with each other from the opposing surfaces. Two stay locks 42 are provided at intervals between the headrest stays 7 of the seat back 3, and have screw portions that can fasten and fix the headrest stays 7.

Next, the operation of the embodiment of the present invention will be described. When the vehicle seat 1 is used in a bed state in which the seat back 3 is depressed and the seat 2 and the seat back 3 are flattened from the seat state in which the normal seat back 3 is erected during running or the like, first, , Seat back 3
Remove the sub-bed cushion 4 fixed on the upper part of the bed. The sub-bed cushion 4 releases the two stay locks 42 provided on the back surface and removes it from the third headrest stay 7.

Next, the seat back 3 is reclined and tilted so as to be horizontal, so that the seat back 3 is in a bed state that is flat with the seat 2. In this state, the mounting rail 6a is pulled out from the mounting rail storage portion 5a that opens on the seat side surface 20 of the seat 2. In addition, the mounting rail 6b is pulled out from the mounting rail storage portion 5b that opens on the side surface 30 of the seat back 3. The length of the mounting rails 6a and 6b to be pulled out is the length corresponding to the width of the sub-bed cushion 4, and the rest remains stored in the mounting rail storage sections 5a and 5b, respectively.

Next, the pulled out mounting rails 6a, 6b
The subbed cushion 4 is placed on the. At this time,
A plurality provided on the back surface 40 of the sub-bed cushion 4;
In this embodiment, two positioning stoppers 41 are provided, and the distance between the two positioning stoppers 41 is
Since it corresponds to the distance between the mounting rails 6a and 6b when the vehicle seat 1 is in the bed state, the vehicle seat 1 is securely fitted to the two mounting rails 6a and 6b. The positioning stoppers 41, 41 have respective inner corners having a right-angle cross section facing each other, and fit into the mounting rails 6a, 6b, which are hollow rectangular cylinders, with the right-angled inner angles.

In the widened seat bed, the subbed cushion 4 has substantially the same thickness as the thickness of the seat 2 and the seat back 3 of the vehicle seat 1, so that a wide seat bed without a step is formed. .

Also, when returning from the bed state to the seat state, the sub-bed cushion 4 is also moved to the mounting rails 6a, 6b.
It is removed from above and the mounting rails 6a and 6b are pushed into the mounting rail storage sections 5a and 5b, respectively, and stored. Next, the seat back 3 is returned to the seat state, and the detached sub-bed cushion 4 is attached to the upper part of the seat back 3 and is fixed to the headrest stay 7 by tightening the stay lock 42. You can go back.

[0021]

According to the present invention, the sub-bed cushion of the vehicle seat can be used as a part of the seat back when the vehicle seat is in the seat state, and can be easily used in the bed state. This eliminates the need for a storage location, making it possible to widely use the interior of the vehicle.

Furthermore, when the sub-bed cushion is added to the side of the seat bed body in the bed state and when returning from the bed state to the normal seat state, it is possible to attach the sub-bed cushion very easily and quickly. In the bed state, there is no step between the sub-bed cushion and the seat bed body.

[Brief description of the drawings]

FIG. 1 is a perspective explanatory view showing one embodiment of the present invention and showing a case where an automobile seat is in a seat state.

FIG. 2 is an explanatory perspective view showing a state in which the vehicle seat is in a bed state where the width is widened by a sub-bed cushion.

FIG. 3 is a partial sectional view taken along the line AA in FIG. 1;

FIG. 4 is an operation explanatory view of the seat frame and the mounting rail of the present invention.

FIG. 5 is a partial perspective explanatory view showing a part of the back surface of the subbed cushion of the present invention.

FIG. 6 is a perspective view showing the prior art 1 in which a conventional subbed cushion is added to a seat bed body in a bed state.

FIG. 7 is a perspective view showing the related art 1, in which a conventional subbed cushion is stored in a subbed cushion storage location in an automobile.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Automotive seat 2 Seat 20 Seat side surface 3 Seat back 30 Seat back side surface 4 Subbed cushion 40 Back surface 41 Positioning stopper 42 Stay lock 5a Mounting rail storage unit 5b Mounting rail storage unit 6a Mounting rail 6b Mounting rail 7 Headrest stay

Claims (2)

[Claims] 1. An automobile seat which can be used in a state where a seat back of an automobile seat is turned down to be in a bed state, wherein a sub-bed cushion is provided as a part of the seat back so as to be attached to and detachable from the seat back. The seat bed and the seat back to form a seat bed body, pull out the mounting rail stored in the seat and the seat back, and place the sub-bed cushion removed from the top of the seat back on the mounting rail. And a sub-bed cushion is added to the seat bed body. 2. An automobile seat that can be used in a state where the seat back of the automobile seat is turned down to be used as a bed, and a sub-bed cushion is provided as an upper portion of the seat back so as to be detachably attached to an upper portion of the seat back. On the back of the subbed cushion, a stay lock that can be fixed to the headrest stay of the seat back and a plurality of positioning stoppers having a width that can be engaged with the mounting rail are provided, and the seat back is flattened and the seat and the seat back While forming the bed body, pull out the mounting rail stored in the seat and the seat back, place the sub-bed cushion removed from the upper part of the seat back on the mounting rail, and attach the sub-bed cushion to the seat bed main body. Vehicle characterized by adding Sheet.