JP2000255289A - Seat device for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure satisfactory riding comfortableness by increasing the thickness of a seat cushion by forming a recessed part under the seat cushion, and providing a cushion member so as to make contact with the reverse side of the seat cushion. SOLUTION: A floor panel has a recessed part 17 formed in the arrangement area of a rear seat 10 in a second stepped surface part 4. The recessed part 17 is provided in two positions on both sides of a vehicle, and the two recessed parts 17 are formed by denting both lateral sides of the floor panel downward on the basis of the lateral center 1a of the floor panel. A cushion material 18 is filled in the two recessed parts 17 and also laid on the lateral center of the floor panel extending between both the recessed parts 17, and the upper surface of the cushion material 18 is laid in the flat state in the arrangement area of the rear seat 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile seat device.

[0002]

2. Description of the Related Art An automotive seat apparatus includes a Japanese Utility Model Application Laid-Open No.
As disclosed in Japanese Patent Application No. 7825 and Japanese Patent Application No. 5-114505, there is a vehicle in which a seat can be moved in the vehicle longitudinal direction with a link mechanism. In this case, the degree of freedom in arranging the seats is enhanced, and the usability in the vehicle interior can be improved, for example, by expanding the luggage compartment.

[0003] In an automobile seat device, the thickness of a seat cushion tends to be relatively thick in order to improve sitting comfort.

[0004]

However, when the thickness of the seat cushion is increased, not only does the weight increase, but also the distance between the head of the seated occupant and the roof becomes narrower, so that the interior of the passenger compartment is reduced. Comfort will be impaired.

The present invention has been made in view of the above circumstances, and a technical problem thereof is to provide a vehicle seat apparatus which can ensure good sitting comfort without increasing the thickness of a seat cushion. It is in.

[0006]

In order to achieve the above object, according to the present invention (an invention of claim 1), there is provided an automobile seat apparatus in which a seat is disposed above a floor panel of an automobile. A recess is formed in the floor panel below the seat cushion in the seat,
A cushion member is provided in the recess so as to be in contact with the back surface of the seat cushion. Preferred embodiments of the first aspect of the present invention are as described in the second and subsequent aspects.

[0007]

According to the first aspect of the present invention, since the cushion material is provided in the recess of the floor panel, even if the seat cushion is thin, the cushion works in cooperation with the cushion material in the recess. Nature can be secured. As a result, it is possible to ensure good sitting comfort without increasing the thickness of the seat cushion, and at the same time, it is possible to increase the distance between the head of the seated occupant and the roof, thereby improving comfort in the vehicle interior. It can be improved.

According to the second aspect of the present invention, the cushion portion including the recess and the cushion member in the recess is provided at a plurality of positions in the vehicle longitudinal direction, and the seat is provided on each cushion portion. Since the seat can be moved, the movement operability of the seat can be improved by utilizing the fact that the thickness of the seat cushion can be reduced to reduce the weight when the seat is moved.

According to the third aspect of the present invention, the seat is connected to the floor panel via the link mechanism, and the link mechanism can selectively take the cushion portion adjacent to the seat in the vehicle longitudinal direction. Therefore, the operation and effect of the second aspect can be specifically and reliably obtained.

According to the invention described in claim 4, the rearmost cushion portion of the cushion portions is disposed adjacent to the rear luggage compartment, so that the operability of moving the seat is improved. Under such circumstances, the luggage room can be easily expanded.

According to the fifth aspect of the present invention, since the cushion portion is provided only at the portion corresponding to the position where the occupant is expected to sit, the cushion portion is arranged at an accurate position. Thus, unnecessary processing can be eliminated, and the amount of cushion material used can be minimized.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1 to FIG.
Is a floor panel provided on the automobile 2. The floor panel 1 is formed stepwise toward the rear of the vehicle body and has first, second, and third step surface portions 3, 4, and 5, and the floor panel 1 having such a shape has a first step difference. It is supported by a side frame (not shown) via a plurality of cross members 6, 7 and 8 so as to accurately hold the vehicle body behind the surface portion 3.

As shown in FIG. 1, the first step surface portion 3 of the floor panel 1 has an area above the first step surface portion 3 where the front seat 9 is disposed. Is to be arranged.

As shown in FIGS. 1 and 2, the second step surface portion 4 has an upper region as a region where the rear seat 10 is disposed, and a lower region of the second step surface portion 4 as first and second regions. Utilizing the steps of the two step surfaces 3 and 4, a tank storage space 12 for storing the fuel tank 11 is provided. The vertical wall 13 between the second step surface portion 4 and the first step surface portion 3 is provided with a footrest plate 14 on both sides in the vehicle width direction (one of which is not shown). The footrest plate 14 is formed using a part of the vertical wall portion 13.
Is swingably supported by the tip of the second step surface portion 4 so that the posture can be held at an arbitrary swing position.

As shown in FIG. 2 and FIG. 5, the third step surface portion 5 has an upper region as an arrangement region for the rear seat 10 and a luggage compartment 15 in order toward the rear of the vehicle body. The arrangement area of the rear seat 10 and the luggage compartment 15 are adjacent to each other. A suspension cross member 16 is arranged below the third step surface portion 5 so as to correspond to the arrangement region of the rear seat 10, and the suspension cross member 16 is formed of the cross members 7, 8. Mounted on

As shown in FIGS. 1 to 3 and 5, the floor panel 1 has a recess 17 in a region where the rear seat 10 is disposed in the second step surface portion 4. The two recesses 17 are provided on both sides in the vehicle width direction. The two recesses 17 are provided on both sides in the vehicle width direction of the floor panel 1 with reference to the center 1a of the floor panel 1 in the vehicle width direction. It is formed by being retracted downward. Accordingly, the upper surface shape of the fuel tank 11 is also a shape corresponding to the second step surface portion 4 (a shape corresponding to the concave portion 17 and the like), and the fuel tank 11 is positioned below the second step surface portion 4. It is to be supported from the side.

As shown in FIGS. 1, 3, and 5, the second step surface portion 4 is provided with a cushion member 18 as a cushion member over the entire vehicle width direction. The cushion material 18 is filled in the two recesses 17, and is also thinly laid on the central portion 1 a in the vehicle width direction of the floor panel 1 straddling the two recesses 17. Is flat in the area where the rear seat 10 is disposed. In the present embodiment, the cushion member 18 is provided not only in the recess 17 but also in the vehicle width direction central portion 1a of the floor panel 1. However, each of the recesses 17 and the cushion material 18 in the recess 17 are provided. These constitute the cushion portion 19 according to the present invention.

As shown in FIG. 1, FIG. 2, FIG. 5, and FIG. 6, the floor panel 1 also has a recess 20 at the position where the rear seat 10 is disposed on the third stepped surface portion 5. ing. The recess 20 is formed by using the space above the suspension cross member 16 to retract the floor panel 1 over substantially the entire length in the vehicle width direction, and the recess 20 is formed by the recess 17. Is located on the rear side of the vehicle body. The cushion material 1 is also provided in the recess 20.
8 is filled, and the upper surface of the cushion material 18 is
The recess 20 is flush with the upper surface of the third step surface portion 5, and the cushion member 18 in the recess 20 constitutes a cushion portion 21.

In this embodiment, as shown in FIGS. 1, 3, 5, and 6, a laying sheet 22 is laid on the floor panel 1 from the second step surface portion 4 to the third step surface portion 5. ing. The laying sheet 22 has elasticity, elasticity, and the like. When an external force acts on each of the cushion portions 19 and 20 from above, the laying sheet 22 also expands and contracts based on its properties, and the laying sheet 22 has a lower portion. Cushion material 18
Is to expand and contract. For this reason, in the present embodiment, the laying sheet 22 (the portion covering each of the recesses 17 and 20) is also configured as a constituent element of the cushion portions 19 and 21 while covering the cushion material 18 and ensuring appearance. It is supposed to be. Of course, in this case, the laying sheet 22
May be omitted. In this case, it is preferable to improve the appearance by making the color of the cushioning material 18 the same as the color of the floor panel 1.

As shown in FIGS. 1 and 3, a rear seat 10 is placed on the second step surface portion 4 of the floor panel 1 in a state in which it comes into contact with the cushion portion (including the laying sheet 22) 19. Have been. This rear seat 10
Has a seat cushion 23 and a seat back 24 that stands upright from the rear of the seat cushion 23, as is known. The thickness (length in the vertical direction) of the seat cushion 23 is smaller than that in a normal case. It has been thinned.
This is because the cushion material 18 of the cushion portion 19 complements the cushioning properties of the seat cushion 23, and the cushion material 18 and the seat cushion 23 ensure good sitting comfort. However, in the present embodiment, the center portion of the seat cushion 23 in the vehicle width direction is the cushion material 1 at the center of the second step surface portion 4 in the vehicle width direction.
In consideration of the reduction in the thickness of the portion 8, the portion 8 is slightly protruded upward to be thicker than the other portions.

As shown in FIG. 2, a plurality of positioning members 25 protrude from the back surface of the seat cushion 23 of the rear seat 10. In correspondence with the plurality of positioning members 25, the plurality of positioning holes 2 are formed in the second step surface portion 4.
6 are formed, and the respective positioning holes 26 are provided in the laying sheet 2.
When the positioning members 25 on the rear surface of the seat cushion 23 are inserted into the corresponding positioning holes 26, the rear seat 10 is exposed upward.
Takes a regular position (a position on the cushion portion 19) on the second step surface portion 4 and becomes immovable (positioned) in the horizontal direction.

The same structure as the plurality of positioning holes 26 in the second step surface portion 4 is also formed on the front side of the third step surface portion 5, as shown in FIG. Therefore, the second
The positioning member 25 on the back surface of the seat cushion 23 is pulled out from each positioning hole 26 in the step surface portion 4 to move the rear seat 10 onto the third step surface portion 5, and the positioning member 25 on the back surface of the seat cushion 23 in the rear seat 10 When the seat cushion 23 is inserted into the corresponding positioning holes 26, the seat cushion 23 is positioned in contact with the cushion portion 21 in the third step surface portion 5. In FIG. 1, reference numeral 32 denotes a tire storage space, and reference numeral 33 denotes a spare tire stored in the tire storage space 32. In FIGS. 3 and 6, a virtual line indicates a waist (use reference numeral 27) of the occupant 27. Show.

Therefore, in the above configuration, even if the seat cushion 23 in the rear seat 10 is thin,
The cushioning properties can be ensured by the cooperation of the cushion portions 19 and 21 with the cushion material 18, and a good sitting comfort can be ensured without increasing the thickness of the seat cushion 23. As a result, the distance between the head of the seated occupant 27 and the roof can be widened to improve the comfort in the vehicle interior.

Further, the rear seat 10 can be selectively positioned with respect to the second step surface portion 4 and the third step surface portion 5, and when the rear seat 10 is moved, the weight of the seat cushion 23 is reduced. Utilization, etc., the movement operability of the rear seat 10 can be improved.

When the rear seat 10 is disposed on the second step surface 4 as shown in FIG. 1 when the rear seat 10 is used, the arrangement area of the rear seat 10 on the third step surface 5 is increased. Used as luggage room 15, luggage room 1
Five regions will be enlarged. In particular, as shown in FIG.
If 9 is fixed by a string or the like 28, the cushioning property of the cushion portion 21 can be used for the luggage 29,
This can prevent the baggage 29 from being damaged. On the other hand, when the rear seat 10 is disposed on the third step surface portion 5, as shown in FIG. 5, a spacious rear space is secured, and under this condition, the footrest plate 14 is used. You can do it.

FIGS. 7 and 8 show another embodiment. In the other embodiments, the same components as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted.

In another embodiment shown in FIGS. 7 and 8, the rear seat 10 is provided with a link mechanism (link 30a, link 30a).
30b), the rear seat 10 is connected to the floor panel 1 via the link mechanism 30.
It can move between the second step surface portion 4 and the third step surface portion 5. In this case, in order to make the link mechanism 30 operate smoothly, in this embodiment, the link 3
Slits (not shown) are formed in the cushion member 18 and the like in the movement region of the links 30a and 30b so that the recesses 0a and 30b can enter the respective recesses of the second and third step surfaces 5. Needless to say, when the link mechanism 30 is arranged on the side of the rear seat 10, it is not necessary to provide the above configuration.

Although the embodiments have been described above, the present invention includes the following. (1) In the second step surface portion 4 and the third step surface portion 5, a recess is formed only at a position where the occupant 27 is to be seated, and the cushion material 18 in the recess is filled to minimize the materials used. . (2) The floor panel 1 does not form a step between the second and third step surfaces 4 and 5, and the floor panel 1 has a plurality of cushion portions at the front and rear of the vehicle body. (3) A guide rail is used as a moving guide means of the laying sheet 22.

It should be noted that the object of the present invention is not limited to what is explicitly specified, but also implicitly includes providing what substantially corresponds to what is described as preferred or advantageous.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram illustrating a use state of a seat device according to an embodiment.

FIG. 2 is a mounting explanatory diagram illustrating a mounting state of a rear seat according to the embodiment.

FIG. 3 is a sectional view taken along line AA of FIG. 1;

FIG. 4 is a diagram showing an example of a usage state of a third step surface portion when a rear seat is arranged on the second step surface portion.

FIG. 5 is an explanatory diagram illustrating a use state when a rear seat is arranged on a third step surface portion.

FIG. 6 is a sectional view taken along line BB of FIG. 5;

FIG. 7 is an explanatory diagram illustrating another embodiment.

FIG. 8 is a diagram showing an operation state from the state of FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Floor panel 2 Automobile 10 Rear seat 15 Luggage room 17 Concave part 18 Cushion material 19 Cushion part 20 Concave part 21 Cushion part 23 Seat cushion 30 Link mechanism

Claims (5)

[Claims] 1. An automobile seat apparatus in which a seat is provided above a floor panel of an automobile, wherein a recess is formed in the floor panel below a seat cushion in the seat, and a cushion is formed in the recess. An automobile seat device, wherein a member is provided so as to be in contact with a back surface of the seat cushion. 2. The cushion according to claim 1, wherein the cushion formed by the recess and a cushion member in the recess is provided at a plurality of positions in a vehicle longitudinal direction, and the seat is movable to each of the cushions. An automotive seat device, characterized in that: 3. The seat according to claim 2, wherein the seat is connected to the floor panel via a link mechanism, and the link mechanism can selectively take a cushion portion adjacent to the seat in the vehicle longitudinal direction. An automobile seat device, which is set. 4. The vehicle seat device according to claim 2, wherein a rearmost cushion portion of the cushion portions is disposed adjacent to a rear luggage compartment. 5. The vehicle seat device according to claim 1, wherein the cushion portion is provided only at a portion corresponding to a position where the occupant is expected to sit.