JP2001277921A - Seat structure of vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enlarge a loading space at the time of conveying a baggage without impairing a stability of the baggage and a durability of a seat. SOLUTION: In a seat 1 of a vehicle, a seat cushion part 2, i.e., a seat part and a seat back part 3, i.e., a back reclining part are disposed along a forward/ rearward direction of the vehicle. A base end portion of the seat cushion 2 is turnably supported to a car body side surface 4 such that it can be folded at a position approximately parallel to the car body side surface 4. The base end portion of the seat back part 3 is turnably supported to the car body side surface 4 such that it can be jumped up by 180 deg. making the base end portion, i.e., an upper portion as a center. According to this constitution, when the seat is folded, the seat cushion part 2 and the seat back part 3 are not superposed and a width utilizable as a baggage chamber is enlarged by a space of the seat back part 3 to enlarge a loading space. The seat folded is not a floor surface of the baggage chamber and not only a loading state of the baggage becomes unstable but also a seat back surface is not injured.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a vehicle seat provided in a passenger space behind a driver's seat.
In particular, the present invention relates to a technology for expanding a loading space when carrying cargo.

[0002]

2. Description of the Related Art As shown in FIG. 3, a vehicle provided with a passenger space behind a driver's seat may be equipped with a pair of seats 20 facing each other in the vehicle longitudinal direction. That is, at the time of transporting personnel, a person sits on the seat 20, and at the time of transporting cargo, the seat 20 is folded to form a luggage compartment.

As a structure of such a foldable seat, for example, as shown in FIG. 4B, as shown in FIG. 4B, the seat cushion portion 22 of the seat 21 is folded upward during cargo transportation. The seat cushion portion 22 and the seat back portion 23 overlap each other.

In the folding seat described in Japanese Utility Model Laid-Open Publication No. 6-45848, the side surface of the seat back portion and the vehicle floor are connected by a first link and a second link located behind the first link. Then, a stopper that locks the first link from behind projects from the side surface of the seat back portion, and a hook that engages with a pin formed on the second link is pivotally mounted on the side surface of the seat back portion. .

[0005]

However, such a conventional foldable sheet structure has the following problems.

That is, in the former seat, when the seat cushion 22 is folded upward, the seat cushion 2
2 and the seat back portion 23 overlap each other, so that the loading space as a luggage space is reduced. On the other hand, in the latter case, the folded sheet serves as the floor of the luggage compartment, so that when a heavy load is loaded, the load becomes unstable due to sheet elasticity. In addition, the back of the seat may be damaged by the luggage, which may cause a problem in durability.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems. By reviewing the folding structure of a sheet, the stability of the load and the durability of the sheet can be reduced without affecting the load. It is an object of the present invention to provide a vehicle seat structure in which the loading space of the vehicle seat is enlarged.

[0008]

In order to achieve the above object, according to the first aspect of the present invention, a seat cushion portion serving as a seat portion and a seat back portion serving as a backrest portion extend along the front-rear direction of the vehicle. A base portion of the seat cushion portion is rotatably supported on the side surface of the vehicle body so that the seat cushion portion can be folded at a position substantially parallel to the side surface of the vehicle body. And the seat back portion is substantially one centered on a base end portion corresponding to an upper portion thereof.
The base end is rotatably supported on the side surface of the vehicle so as to be able to flip up by 80 °.

According to the second aspect of the present invention, at the tip of the seat cushion, a support leg for supporting the seat cushion substantially parallel to the floor of the vehicle body when the seat cushion is used can be freely stored. It is characterized by being attached to.

The invention according to claim 3 is characterized in that a support leg storage mechanism for storing or expanding the support leg is provided according to folding or expansion of the seat cushion portion.

[0011] In the invention according to claim 4, when the seat cushion is folded to a position substantially parallel to the side of the vehicle body, at least a recess for accommodating at least a part of the seat cushion is provided in the side surface of the vehicle body. It is characterized by being formed.

The invention according to claim 5 includes a folded state holding means for holding the seat cushion portion in a folded state, and a jumping state holding means for holding the seat back portion in a flipped up state. It is characterized by having.

Next, the operation of the present invention will be described. According to the first aspect of the present invention, when carrying the luggage, the seat cushion portion is folded at a position substantially parallel to the side of the vehicle body, and the seat back portion is substantially 180 degrees centered on the base end portion corresponding to the upper portion thereof. ° Jump up. In this case, since the seat back portion is flipped up, the seat cushion portion and the seat back portion do not overlap, and the width available as a luggage space is increased by the amount of the seat back portion, and the loading space is increased. In addition, the folded sheet does not become the floor of the luggage compartment, the load state of the load becomes unstable, and the back surface of the sheet is not damaged by the load. Furthermore, when the seat back portion is folded, the glass window provided above the side of the vehicle body is covered by the seat back portion, so the glass window is protected by the seat back portion,
The luggage does not hit the glass window, which prevents the glass window from being damaged.

According to the second aspect of the present invention, when the seat cushion is used, the seat cushion is substantially parallel to the vehicle body floor by the freely-storable support legs provided at the tip of the seat cushion. Supported by For this reason, a part of the load when a person sits on the seat cushion is supported by the support legs, and the structure of the vehicle seat is rationalized.

According to the third aspect of the present invention, since the support legs are stored or unfolded in accordance with the folding or unfolding of the seat cushion, the labor required for folding or unfolding the seat is reduced.

According to the fourth aspect of the invention, when the seat cushion is folded, at least a part of the seat cushion is housed in the recess on the side of the vehicle body, so that the width usable as a luggage compartment is further increased. The loading space is further expanded.

According to the fifth aspect of the present invention, the seat cushion is held in the folded state by the folded state holding means, and the seat back is raised by the jumping state holding means. Therefore, the seat is prevented from being unfolded due to vibration or the like while the vehicle is running.

[0018]

Embodiments of the present invention will be described below with reference to the drawings. 1 (A) and 1 (B), a vehicle seat 1 according to the present invention is mounted, for example, in a passenger space behind a driver's seat, and includes a seat cushion portion 2 serving as a seating portion and a seat serving as a backrest portion. And a back portion 3.

The seat cushion portion 2 is formed in a substantially rectangular shape, and its base end portion is freely rotatable toward the vehicle body side surface 4 so as to be foldable at a position substantially parallel to the vehicle body side surface 4. It is supported. In this case, a bracket 5 protrudes from a lower portion of the vehicle body side surface 4 and is mounted on the upper side of the bracket 5 so that the seat cushion portion 2 is rotatably supported.

On the other hand, the seat back portion 3 is formed in a substantially rectangular shape, and the base end portion is located above the seat cushion portion 2 so that the base portion can be flipped up by approximately 180 ° about the base end portion corresponding to the upper portion. It is rotatably supported on the side of the vehicle body 4 at the position. Also in this case, a bracket 6 protrudes and is mounted on the upper part of the vehicle body side surface 4, and the seat back portion 3 is supported by the bracket 6 so as to be freely rotatable.

The lower portion of the front end of the seat cushion 2 supports the seat cushion 2 substantially horizontally with respect to the vehicle body floor 8 when the seat cushion 2 is used, that is, when a person is transported. Support legs 9 for free storage are attached.

Further, a link 10 is provided as a support leg storage mechanism for storing or expanding the support leg 9 according to the folding or expansion of the seat cushion 2. That is, the lower side of the bracket 5 and the vicinity of the base of the support leg 9 are substantially L so that when the seat cushion 2 is folded, the support leg 9 is also folded, and when the seat cushion 2 is expanded, the support leg 9 is also expanded. They are connected by a character-shaped link 10. This can reduce the labor required for folding or unfolding the sheet.

A stopper 11 is provided on the back surface of the seat back 3 to regulate the inclination of the seat back 3 when a person is transported. In addition, in addition to the stopper 11, a latch for fixing and releasing the deployed state of the seat back portion 3 may be provided.

On the other hand, folded state holding means for holding the seat cushion section 2 in a folded state, and a seat back section 3
And a flip-up state holding means for holding a flip-up state. In this embodiment, the folded state holding means and the jumping state holding means extend from the side surface 4 of the vehicle body, and the ends thereof are the seat cushion portion 2 and the seat back portion 3 respectively.
It is composed of a string material which is detachably engaged with the cord. In this case, as shown in FIG. 2 (A), a hook portion 13 is provided at an end portion of the string member 12, and the hook portion 13 is provided on the seat cushion portion 2 and the seat back portion 3 in a loop-like engagement portion. 2B, the ends of the cord 12 are tied in a loop, and the loop 15 is provided on the seat cushion 2 and the seat back 3. As shown in FIG. You may make it engage with the hook-shaped engagement part 16 freely.

A glass window 17 is provided above the side surface 4 of the vehicle body.
The glass window 17 at this position is protected. A method of using the vehicle seat having such a configuration will be described.

When transporting personnel, the vehicle seat 1 is deployed. That is, as shown in FIG. 1A, the seat cushion portion 2 is made substantially parallel to the vehicle body floor 8 and
The flip-up state of the seat back portion 3 is released. At this time, since the seat cushion portion 2 is held substantially parallel to the vehicle body floor 8 by the support legs 9, the support legs 9 bear a part of the load when a person sits on the seat cushion portion 2. Thus, the rigidity of the vehicle seat 1 is increased, and the weight reduction is promoted. Further, since the support legs 9 are deployed in accordance with the movement of the seat cushion 2, the labor required for deploying the seat is reduced. Furthermore, the seat back part 3
Is released, the tip of the stopper 11 comes into contact with the vehicle body side surface 4, and the inclination of the seat back portion 3 is defined.

On the other hand, when transporting luggage, the vehicle seat 1 is folded. That is, as shown in FIG. 1 (B), the seat back portion 3 is flipped up by approximately 180 ° around a base end portion corresponding to the upper end thereof, and the seat cushion portion 2 is folded at a position substantially parallel to the side surface 4 of the vehicle body. . in this case,
The seat cushion portion 2 and the seat back portion 3 are fixed to the vehicle body side surface 4 by a string member 12 shown in the figure, and the state is maintained. In addition, since the support legs 9 are stored in accordance with the movement of the seat cushion 2, the labor required for folding the seat is reduced.

The vehicle seat 1 has the following advantages. That is, when carrying the load, the seat cushion 2 is flipped up and the seat back 3 is folded, so that the seat cushion 2 and the seat back 3 do not overlap with each other, and The space available as a room is expanded, and the loading space is expanded. Incidentally, the effective width of the cargo room is changed from the conventional W shown in FIG. 4 to W ′ of the present structure (W <W ′, W′−W = 15 to 20 cm),
Enlarged and improved loading efficiency.

Further, the folded sheet does not become the floor of the luggage compartment, the load state of the load becomes unstable, and the back surface of the sheet is not damaged by the load.
Further, when the seat back portion 3 is folded, the glass window 17 provided above the side of the vehicle body is moved to the seat back portion 3.
Cover, the glass window 17 is protected. For this reason, the luggage does not hit the glass window 17 and the glass window 17 is prevented from being damaged.

Further, since the stopper 11 which regulates the inclination of the seat back portion 3 is attached to the back surface of the seat back portion 3 when transporting personnel, the back surface of the seat back portion 3 is not damaged. The durability can be improved.

As shown in FIG. 1A, when the seat cushion 2 is folded, a concave portion 18 for accommodating at least a part of the seat cushion 2 is provided on the side surface 4 of the vehicle body. Is also good. With this configuration, when the seat cushion portion 2 is folded, at least a part of the seat cushion portion 2 is stored in the recessed portion 18 of the vehicle body side surface 4, so that the width usable as a luggage compartment is further increased,
The loading space can be further expanded.

In this embodiment, the folded state holding means and the jumping state holding means extend from the side surface 4 of the vehicle body, and their ends are detachably engaged with the seat cushion portion 2 and the seat back portion 3, respectively. Although it is composed of a string material 12 to be formed, other materials such as a chain may be used.

[0033]

As described above, according to the first aspect of the present invention, since the seat back portion is flipped up, the seat cushion portion and the seat back portion do not overlap with each other, and the load is reduced by the amount of the seat back portion. The width that can be used as a room is expanded, and the loading space can be expanded. In addition, the folded sheet does not form the floor of the luggage compartment, so that the loading state of the luggage becomes unstable, and the back of the sheet is prevented from being damaged by the luggage. Further, the glass window is protected by the seat back portion, so that the luggage does not hit the glass window, so that damage to the glass window can be prevented.

According to the second aspect of the present invention, a part of the load when a person sits on the seat cushion is supported by the support legs, so that the structure of the vehicle seat can be rationalized. .

According to the third aspect of the present invention, the labor required for folding or unfolding the sheet can be reduced. According to the fourth aspect of the present invention, when the seat cushion is folded, at least a part of the seat cushion is stored in the recess on the side of the vehicle body, so that the width usable as a luggage compartment is further increased, and the loading space is further increased. Can be expanded.

According to the fifth aspect of the present invention, the seat cushion portion is held in a folded state, and the seat back portion is held in a flipped-up state. The sheet can be prevented from being unfolded.

[Brief description of the drawings]

FIG. 1 shows a structure of a vehicle seat according to the present invention,
(A) is an explanatory view of a sheet unfolded state, and (B) is an explanatory view of a sheet folded state.

FIG. 2 shows an example of a mechanism for holding a folded state of a seat cushion section and a flip-up state of a seat back section;
(A) is an explanatory view of one example, and (B) is an explanatory view of another example.

FIGS. 3A and 3B show a vehicle equipped with a seat in a passenger shared space behind a driver's seat in a vehicle longitudinal direction, where FIG. 3A is a perspective view and FIG. 3B is a rear view;

4A and 4B show the structure of the sheet in FIG. 3, wherein FIG. 4A is an explanatory diagram of a sheet expanded state, and FIG. 4B is an explanatory diagram of a sheet folded state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vehicle seat 2 Seat cushion part 3 Seat back part 4 Body side 8 Body floor 9 Support leg 10 Link 12 String material 18 Depression

Claims (5)

[Claims] 1. A vehicle seat structure in which a seat cushion portion serving as a seating portion and a seatback portion serving as a backrest portion are arranged along the front-rear direction of the vehicle, wherein the seat cushion portion is provided on a vehicle body. The base end is rotatably supported on the side of the vehicle body so that the seat back can be folded at a position substantially parallel to the side surface. ° The vehicle seat structure wherein the base end portion is rotatably supported on the side of the vehicle body so that the base portion can be flipped up. 2. A support leg for supporting the seat cushion in a direction substantially parallel to the floor of the vehicle body when the seat cushion is in use is attached to the distal end of the seat cushion so as to be freely stored. The vehicle seat structure according to claim 1, wherein: 3. The structure of a vehicle seat according to claim 2, further comprising a support leg storage mechanism for storing or expanding the support leg in accordance with folding or expansion of the seat cushion portion. 4. The vehicle body according to claim 1, wherein when the seat cushion portion is folded to a position substantially parallel to the vehicle body side surface, at least a recess for accommodating a part of the seat cushion portion is formed. Claims 1 to 3
The structure of the vehicle seat according to any one of the above. 5. A folded state holding means for holding the seat cushion portion in a folded state, and a jumping state holding means for holding the seat back portion in a flipped up state. The structure of a vehicle seat according to any one of claims 1 to 4.