JPH07164942A - Seat structure for vehicle - Google Patents

Abstract

PURPOSE:To provide seat structure of a vehicle capable of further extending a luggage space by way of remarkably reducing a projecting amount of a rear seat to the inside of a car room by storing the rear seat in a space part by means of providing the space recessively providing a floor between a front seat and the rear seat. CONSTITUTION:A seat 14 is installed on an upper end 26b of a stepped part 26 of a floor surface 18 through a rear seat storage means 28. The rear seat storage means 28 is furnished with a lower rail 30 fixed on the floor surface 18, an inner slide rail 32 to insert in a front end part of the lower rail 30 and an upper rail 36 to be installed on a front end part of the inner slide rail 32. The upper rail 36 is fixed on a back surface 20a of a seat cushion 20 with a screw. A seat back slider 44 is installed on the lower rail 30, and both sides of a seat back are fixed on a knuckle upper plate 44d of the seat back slider 44.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat structure, and more particularly to a seat structure for storing a rear seat when the seat is not used to expand a luggage space.

[0002]

2. Description of the Related Art Conventionally, a one-box car can accommodate a large number of passengers in a large indoor space that has become one floor, but on the other hand, the luggage space can be expanded by tilting the rear seats to store more space. Luggage can be loaded. Incidentally, as the storage means for the rear seat, for example, Japanese Patent Laid-Open No. 63-17373 is used.
No. 6 (B60N 1/10) is disclosed, in which the rear seats are folded on both sides of the passenger compartment.

[0003]

However, in such a conventional vehicle seat structure, since the rear seats are folded on both sides of the passenger compartment, the folded rear seats are projected into the passenger compartment. For this reason, although it is folded and made smaller, there is a problem that the effective space of the luggage space is significantly reduced due to the rear seat protruding into the passenger compartment.

In view of such conventional problems, the present invention provides a space in which a floor is recessed between the front seats and the rear seats, and stores the rear seats in this space portion so that the rear seats of the vehicle can be accommodated. An object of the present invention is to provide a vehicle seat structure capable of further expanding the luggage space by significantly reducing the amount of protrusion into the cabin.

[0005]

In order to achieve the above object, the first structure of the present invention is to form a stepped portion on the floor surface, in which the front side of the vehicle is the lower stage and the rear side of the vehicle is the upper stage from the rear seat arrangement portion. The front seats are arranged at a predetermined distance from the step, the rear seats are arranged above the step, and the rear seats are separable from the floor surface. It is configured by providing a rear seat storage means for storing in a space portion between the section and the front seat.

On the other hand, according to the second structure of the present invention, a step on the floor surface is such that the front side of the vehicle is the lower stage and the rear side of the vehicle is the upper stage from the arrangement portion of the rear seat, and the height is at least the thickness of the seat cushion of the rear seat. A front seat at a predetermined distance from the step, the rear seat is placed above the step, and the seat cushion of the rear seat is separated from the floor surface. A seat cushion storing means is provided for rotating the rear part forward around the subordinate side, and storing the seat cushion in an inverted state in the lower step of the floor between the step part and the front seat.
It is configured by providing seat back moving means for moving the seat back of the rear seat to the vicinity of the back surface of the seat back of the front seat.

Further, in the second structure, it is desirable that the seat cushion storing means is configured such that the back surface of the seat cushion and the upper step of the floor are flush with each other in a state where the seat cushion is housed in the lower step of the floor.

Further, in the second construction, it is desirable that the seat back moving means includes a slide mechanism for separating the seat back from the seat cushion and moving the back surface of the seat cushion housed in the lower floor portion.

Furthermore, the seat back moving means is
A folding mechanism may be provided between the lower end portion of the seat back and the rear end portion of the seat cushion to bend the seat back in a substantially right angle direction toward the back surface of the seat cushion.

Further, it is desirable that a lock mechanism is provided in each of the seat cushion storing means and the seat back moving means.

Further, it is desirable that the rear seat is applied to a seat in the middle of the two rows provided in three rows in the front-rear direction.

[0012]

In the first structure of the vehicle seat structure according to the present invention having the above-described structure, by providing the rear seat storing means, the rear seat separably arranged from the floor surface is separated from the step portion and the front. Since it is stored in the space between the seats, the front of the vehicle at this step is the lower level,
The stowed rear seat can be stored in the lower portion to significantly reduce the protruding portion into the vehicle compartment, and further, the effective space portion of the luggage space can be further expanded.

On the other hand, in the second structure of the vehicle seat structure according to the present invention, the seat cushion storing means and the seat back moving means are provided, and the seat cushion storing means serves to center the seat cushion of the rear seat on the lower side of the front end portion. As a result, the rear is rotated forward and stored in the lower part of the floor between the step and the front seat in an inverted state, and the seat back moving means moves the rear seat back to the vicinity of the back of the front seat back. Since the seat cushion is stored in the lower part of the floor, the back surface will be the top surface, so luggage will be loaded on this back surface, and the front surface of the seat cushion, that is, the seating surface, can be prevented from becoming dirty. it can. Further, since the rear seat back is moved to the vicinity of the front seat back rear surface, the substantially entire back surface of the stored seat cushion can be used as a luggage space.

Further, in the second structure, the seat cushion storing means has the back surface of the seat cushion and the upper step of the floor flush with each other in a state where the seat cushion is housed in the lower step portion of the floor. The floor surface can be flattened to further expand the effective space portion, and loading and unloading of luggage can be facilitated.

Further, in the second structure, the seat back moving means is provided with a slide mechanism for separating the seat back from the seat cushion and moving the back surface of the seat cushion accommodated in the lower portion of the floor. The seat back can be stored simply by pushing the seat back forward after storing the seat cushion.

Further, as the seat back moving means, there is provided a folding mechanism between the lower end portion of the seat back and the rear end portion of the seat cushion to bend the seat back in a substantially right angle direction toward the back surface of the seat cushion. By preparing,
By rotating the seat cushion forward around the lower side of the front end while bending the seat back toward the back side of the seat cushion, the seat back is placed on the back side of the front seat back when the seat cushion is stored. Can be placed.

The seat cushion storing means and the seat back moving means are each provided with a lock mechanism so that the seat cushion is locked in a normal use state to prevent the rear seat from moving while the occupant is seated. can do.

Further, by applying the rear seat to a seat in the second row, which is an intermediate seat provided in three rows in the front-rear direction,
Since the rear seats in the second row can be stored on the driver seat side, which is the first row, the storage structure of the rear seats can be simplified.

[0019]

Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. 1 to 10 show a first embodiment of a vehicle seat structure according to the present invention, FIG. 1 is a side view showing a used state of a rear seat, and FIG. 2 is a side view showing a stored state of a seat cushion of the rear seat. 3 is a side view showing a stored state of a seat back of a rear seat, FIG. 4 is a perspective view showing a used state of a rear seat,
5 is a perspective view showing a state where the seat cushion of the rear seat is stored, FIG. 6 is a perspective view showing one of the storage means of the rear seat taken out, FIG. 7 is an exploded perspective view of the storage means, and FIG. 8 is in FIG. A-A
6 is an enlarged sectional view taken along line BB in FIG. 6, and FIG. 10 is an overall side view of a vehicle to which this embodiment is applied.

The vehicle seat structure of this embodiment is adapted to the one-box car 10 shown in FIG. 10, and the seat of the one-box car 10 includes a front seat (a driver seat and a front passenger seat). 1st row) 12 and this front seat 1
2 intermediate seats (second row) 14 provided behind the vehicle, and last seats (third row) provided behind the intermediate seats 14 in the vehicle
16 and the seats 12, 14, 16 are arranged on the floor surface 18. When a large amount of luggage is loaded, the intermediate seat 14 and the rear seat 16 are stored so that the vehicle interior space behind the front seat 12 can be used as a luggage space. By the way, in the present embodiment, the seat structure of the present invention is applied to the intermediate seat 14 in the second row, and this intermediate seat will be referred to as the seat 14 below.

That is, in the seat structure of this embodiment, when the seat 14 shown in FIGS. 1 and 4 is stored from the used state, first, as shown in FIGS.
After storing 0 by rotating it to the front of the vehicle, the seat back 22 is moved to the vicinity of the back surface of the seat back 24 of the front seat 12, as shown in FIG. The floor surface 18
In the lower step 26, the front side of the vehicle is located from the position of the seat 14.
The stepped portion 26 is formed such that it is a and the vehicle rear side is the upper step 26b. The front seat 12 in the first row is the lower row 2
6a, the seats 14 in the second row and the last seats 16 in the third row are arranged in the upper row 26b, and in particular, the seat 14 is arranged at the foremost end of the upper row 26b. A storage space S for storing the seat 14 is provided between the step portion 26 and the front seat 12.

The seat 14 is adapted to be attached to the floor surface 18 via rear seat storage means 28 shown in FIGS. The rear seat storage means 28 includes lower rails 30 located on both sides of the seat 14 and oriented in the vehicle front-rear direction, an inner slide rail 32 movably inserted into a front end portion of the lower rail 30, and an inner slide rail 32. An upper rail 36 is rotatably attached to the front end portion via a hinge 34 as a seat cushion storing means.

The lower rail 30 is provided with mounting portions 30a and 30b at both front and rear ends thereof.
In the case of b, the front mounting portion 30a is located at the upper end corner of the step portion 26 and is screwed to the floor surface 18, respectively. on the other hand,
The upper rail 36 is screwed to the back surface 20a of the seat cushion 20 of the seat 14.

As shown in FIG. 8, the lower rail 30 and the upper rail 36 are each formed in a channel shape, and the peripheral edge of the opening 30c of the lower rail 30 is recessed and the peripheral edge of the opening 36a of the upper rail 36 is convex. To be done. Then, the lower rail 30 and the upper rail 3
By folding 6 and 6 from the hinge 34, the convex portion is fitted to the concave portion. Collar portions 30d, 30e and 36b, 36c are projectingly provided on both inner surfaces of the lower rail 30 and the upper rail 36, and a seat back slider 44 described later is slid along these collar portions 30d, 30e and 36b, 36c. It

One side of the inner slide rail 32 is bent at a right angle to form an L-shaped cross section, and the bent portion 32a has a large number of openings 3 along its length.
8, 38 ... Are formed. The inner slide rail 32 and the bottom surface of the lower rail 30 and the collar portion 3 are provided.
It is slidably inserted between 0d and 30e. At this time, as shown in FIG. 8, the flange portion 30d is bent upward in a crank shape so as to avoid interference with the bent portion 32a of the inner slide rail 32. Also,
The lower rail 30 provided on one side in the vehicle width direction is provided with a slider lock lever 40 in which a comb tooth-shaped protrusion 40a engageable with the openings 38 of the inner slide rail 32 is formed. Slider lock lever 4
0 is urged by an urging means (not shown) in a direction in which the protrusion 40a penetrates the opening 42 formed on the side surface of the lower rail 30 and is engaged with the openings 38, 38 ... The inner slide rail 32 can be moved by operating the slider lock lever 40 in the direction of releasing the.

A seat back slider 44 as a seat back moving means is movably attached to the lower rail 30. As shown in FIG. 7, the seat back slider 44 is provided with a slide plate 44a at the lower end thereof. As shown in FIG. 9, the slide plate 44a is provided with the opening 30c of the lower rail 30 and the flange portions 30d, 3d.
0e and slides on the collar portions 30d and 30e, and the slide portion constitutes a slide mechanism.

A knuckle lower plate 44b is erected from the upper surface of the slide plate 44a through the opening 30c, and the knuckle upper plate 44d is mounted on the knuckle lower plate 44b via the knuckle 44c.
Is attached to this knuckle upper plate 44d
Both sides of the seat back 22 are fixed. Then, the lock lever 44 provided on the knuckle 44c
By operating e, the knuckle lower plate 44b
The reclining angle of the seat back 22 can be adjusted by changing the relative angle between the knuckle upper plate 44d and the knuckle upper plate 44d.

On the outer surface of the knuckle lower plate 44b, a hooking lever 46 having a hook portion 46a formed on the front side of the vehicle is rotatably mounted, and a rear end portion of the upper rail 36 has a U-shape. The locking piece 48 of is projected. The hook 48 of the latch lever 46 is attached to the lock piece 48.
The seat cushion 20 and the seat back 22 are coupled to each other by the hooking of a.

With the above structure, in the vehicle seat structure of the first embodiment, the seat 1 installed as the second row
4 is a seat back slider 44 in a normal use state.
The latch lever 46 of the lock rail 48 of the upper rail 36.
The seat cushion 20 and the seat back 22 are integrally connected to each other (see FIGS. 1 and 4). By operating the slider lock lever 40 in this state to release the engagement between the protrusion 40a and the opening 38 of the inner slide rail 32, the inner slide rail 32 can slide on the lower rail 30 together with the upper rail 36. The seat cushion 20 and the seat back 22 can be integrated with each other to adjust the front-rear position.

Next, when the seat 14 is stored, the hooked state of the hooking lever 46 and the lock piece 48 is released, and the rear end of the seat cushion 20 is lifted up to raise the seat. The cushion 20 is pivoted forward of the vehicle about a hinge 34 that connects the front ends of the upper rail 36 and the inner slide rail 32, and the lower step 26a between the step 26 of the floor surface 18 and the front seat 12 is rotated.
It is stored in a part (see FIGS. 2 and 5). In this state, the seat cushion 20 is turned upside down, the back surface 20a is flush with the upper end 26b of the step 26, and the upper rail 36 is unfolded and aligned with the lower rail 30.

By pushing the seat back 22 forward, the seat back slider 44 is moved to the lower rail 3
0 and the upper rail 36 can be continuously slid to move the seat back 22 to the vicinity of the rear surface of the seat back 24 of the front seat 12 for storage (see FIG. 3). Also,
The seatback slider 44 is preferably provided with a lock mechanism that can be fixed at any position of the lower rail 30 and the upper rail 36. By fixing the load on the back surface of the seatback 22, it is possible to prevent the load from collapsing due to traveling vibration. You can

By thus storing the seat cushion 20 and the seat back 22 of the seat 14 in the space between the step 26 and the front seat 12, the seat cushion 20 arranged flush with the upper step 26b. The back surface 20a of the can be used as a part of the floor surface 18,
It is possible to expand the effective space portion of the luggage space behind the front seat 12 which is the driver's seat. Although the last seat 16 in the third row is not shown in the drawing, the last seat 16 can be folded and stored laterally in the vehicle compartment as in the conventional case.
By storing the storage recesses formed on the floor surface 18 so as to be flush with each other, the effective space portion of the luggage space can be further expanded.

By the way, in this embodiment, the seat cushion 20 is stored in the lower floor 26a of the floor while the back surface 20
Since a is the top surface, luggage is loaded on the back surface 20a, and the front surface of the seat cushion 20, that is, the seating surface can be prevented from being soiled. Further, the seat back slider 4 is used to store the seat back 22.
Since the lower rail 30 and the upper rail 36 in the expanded state are moved via the seat 4, the seat back 22 can be stored simply by pushing the seat back 22 forward after storing the seat cushion 20. be able to. In order to set the seat 14 from the stowed state to the used state, an operation reverse to that at the stowed state is performed, the seat back 22 is moved to the rear end portion of the lower rail 30, and then the seat cushion 20 is rotated backward. It can be set to the state shown in FIGS. 1 and 4 by moving the latch lever 44 to lock it on the lock piece 48.

11 to 19 show a second embodiment of the present invention, FIG. 11 is a side view showing the state of use of the rear seat, and FIG. 12 is a side view showing the first stage when the rear seat is retracted. 13 is a side view showing the second stage when the rear seat is stowed, FIG. 14 is a side view showing the stowed state of the rear seat, FIG. 15 is a perspective view showing the main parts when the rear seat is stowed, and FIG. 16 is the rear seat FIG. 17 is an exploded perspective view of a cushion portion, FIG. 17 is a side view showing a main portion of a connecting portion between a seat cushion and a seat back of a rear seat, FIG. 18 is an exploded perspective view of a main portion of the connecting portion, and FIG. It is an expanded sectional view from the CC line. Even in this embodiment, as in the first embodiment, the middle seat in the second row of the one-box car 10 is applied as the rear seat 14.
The same components as those of the first embodiment will be designated by the same reference numerals and redundant description will be omitted.

That is, the seat 14 of the second embodiment is shown in FIG.
When storing this from the use state shown in FIG.
After tilting the seat back 22 backward as shown in FIG. 2, the rear end portion of the seat cushion 20 is lifted to bend the seat back 22 in a direction substantially perpendicular to the back side as shown in FIG. The seat back 20 and the seat back 22 are integrally pivoted forward around the lower end of the front end of the seat, and the seat 14 is stored by storing the seat cushion 20 in the lower step 26a of the step 26. There is.

The seat cushion 20 is shown in FIGS.
As shown in FIG. 6, the back surface 20a is covered with a dish-shaped resin panel 50, and a pair of side plates 52 are arranged on both inner sides of the resin panel 50. A pair of front and rear frame pipes 5 that direct the direction
Cushions 56 such as urethane are loaded in the resin panel 50 while being joined by 4, 54a.
The side plate 52 is locked to the hook 50a protruding from the resin panel 50, and the front frame pipe 54 is locked to the hook 50b. On the other hand, the lower end of the seat back 22 is coupled to the rear end of the side plate 52 via an L-shaped plate 58.

The seat cushion 20 includes slide plates 60 arranged on both sides of the lower surface of the resin panel 50.
A rail 62 fixed to the upper step 26b of the floor surface 18 so as to be oriented in the front-rear direction is slidably fitted so that the seat 22 can be adjusted for front-rear movement. The rail 62 and the slide plate 60 are fitted with each other and are covered by a cover 63 fixed to the floor surface 18.

One hinge hole 60a is formed in the front end portion of the slide plate 60, while the side plate 5 is formed.
The other hinge hole 64a is formed at the tip of the arm piece 64 projecting downward from the front end of No. 2, and the arm piece 64 is passed through the opening 50c formed at the front end of the resin panel 50, and The hinge 69 is configured by fitting the collar 66 into the hinge holes 60a and 64a so as to be rotatable relative to each other and then fixing the screw 68.

On the other hand, a pin 70 is provided at the rear end of the slide plate 60, and an L-shaped catcher 72 is provided inside the rear end of the side plate 52. It is possible to engage with the pin 70 by penetrating the opening 50d. One end of the catcher 72 is rotatably attached to a bracket 74 fixed to the side plate 52, and
The catchers 72 arranged on both sides are interlocked with each other via a shaft 76.

A lock member 76 is provided at an intermediate portion of the slide plate 60, and the slide position of the seat 14 is fixed by the lock member 76. The lock member 76 is a slide plate 60.
A bracket 76a fixed to the above is provided with a lock plate 76d rotatably coupled to a pin 76c via a spring 76b. The claw portion 76e formed at the lower end of the lock plate 76d is engaged with the lock hole 62a (see FIG. 19) formed outside the rail 62 by the urging force of the spring 76b.

The resin panel 5 is provided at the center of one side (right side in this embodiment) of the side plates 52 arranged on both sides.
A rotation shaft 78a of a release lever 78 arranged outside 0 is rotatably pivoted, and the release cam 7 is attached to the rotation shaft 78a.
8b is fixed. The release cam 78b penetrates through the opening 50e formed in the resin panel 50 and is disposed to face the upper end of the lock plate 76d. When the release lever 78 is rotated upward, the release cam 78b locks the lock plate. 76d is pressed to release the engagement between the lower end claw portion 76e and the lock hole 62a, and the seat 14 can be moved back and forth. The operation of the release lever 78 is interlocked with the release cam on the opposite side (left side in the figure) via the push-pull wire 80.

On the other hand, the L-shaped plate 58 connecting the seat cushion 20 and the seat back 22.
As shown in FIG. 18, a hook 82 is provided in a notch 58a formed on the lower side of the front part, and a through hole 58b is formed in the rear part. And the side plate 52
Of the two pins 84, 84a that are provided at the rear end of the pin so as to project outward in the front-rear direction, a collar 86 is provided on the rear pin 84a.
The through hole 58b is rotatably inserted through the pin to fix the screw 88, and the hook 8 is attached to the front pin 84.
2 can be engaged. The pin 84 has a color 9
0 is fitted. An upper end of the hook 82 is rotatably attached to the L-shaped plate 58 via a pin 92, and a spring 94 urges the hook 82 in a direction to engage with the pin 84. The middle portion of the hook 82 is connected to one end of the push-pull wire 96, while the other end of the push-pull wire 96 is connected to a knob 98 provided on the lateral side of the upper half of the seat back 22. By pushing 98 upward, the hook 82 is rotated in a direction to release the engagement with the pin 84. Therefore, by disengaging the hook 82 from the pin 84, the seat back 22 can be rotated in the rearward direction around the pin 84a, and the folding mechanism 100 is configured with this rotating structure. To be done.

A reclining mechanism is provided between the seat cushion 20 and the seat back 22, and the rotation center O1 of this reclining mechanism is the rotation center O2 of the folding mechanism 100 as shown in FIG. And pin 8
Apart from 4a, it is provided above this. Further, when the seat back 22 is rotated in the back direction about the pin 84a, the rear side portion 58c of the L-shaped plate 58 in FIG. 17 is brought into contact with the pin 84a, so that the seat back 22 is seated. The cushion 20 is stopped in a state in which the cushion 20 is reversely bent in a direction substantially perpendicular to the cushion 20.

With the above-described structure, in the second embodiment, the catcher 72 is engaged with the pin 70 of the slide plate 60, and the hook 82 is engaged with the pin 84 from the normal use state (see FIG. 11). To store the seat 14, first, the knob 98 on the side of the seat back 22 is operated to release the engagement between the hook 82 and the pin 84, and the seat back 22 is pivoted rearward about O2. The seat cushion 20 and the seat back 22 are arranged in a substantially straight line (see FIG. 12). In this state, the grip portion 76 formed in the intermediate portion of the shaft 76 that connects the catcher 72
Catcher 7 engaging with pin 70 by pulling up a
2 is removed, and the rear end of the seat cushion 20 is lifted upward with the hinge 69 at the front end as the center (see FIG. 13). At this time, the seat back 22 is bent backward with the pin 84a as a center in a reversely folded state, and the seat cushion 20 is further rotated, whereby the seat cushion 20 is provided between the step portion 26 and the front seat 12. Lower stage 26a
The seat back 2
2 is stored behind the seat back of the front seat 12 (see FIG. 14).
reference).

Therefore, even in the second embodiment, the rear surface 20a of the seat cushion 20 can be used as a part of the floor surface 18 to expand the effective space portion of the luggage space, as in the first embodiment. it can. Of course, even in this embodiment, it is desirable to set the back surface 12a of the stored seat cushion 12 and the floor surface 18 to be flush with each other.

Further, in this embodiment, the folding mechanism 100 is used.
As a result, the seat cushion 20 is fixed to the hinge 69 on the lower side of the front end.
Seat back 2
By bending 2 toward the back surface of the seat cushion 20, the seat back 22 can be arranged on the back surface of the seat back of the front seat 12 when the seat cushion 20 is stored.

20 to 26 show a third embodiment of the present invention, FIG. 20 is a side view showing a use state of a rear seat, FIG. 21 is a side view showing an intermediate state when the rear seat is stored, and FIG. 23 is a side view showing a stored state of a rear seat cushion, FIG. 23 is a side view showing a final stored state of the rear seat, FIG. 24 is a perspective view showing a used state of the rear seat, and FIG. 25 is a stored state of the rear seat. FIG. 26 is an exploded perspective view of essential components. Note that, in this embodiment as well, similar to each of the above-described embodiments, the middle seat in the second row of the one-box car 10 is applied as the seat 14 of the rear seat, and the same configuration as each of the above-described embodiments. The same reference numerals will be given to the portions, and overlapping description will be omitted.

That is, the sheet 14 of the third embodiment is shown in FIG.
0, when storing it from the usage state shown in FIG.
First, as shown in FIG. 21, the rear end of the seat cushion 20 is rotated upward together with the seat back 22 around the lower end of the front end of the seat cushion 20, and the seat cushion 20 is turned upside down as shown in FIG. In this state, the step portion 26 is accommodated in the lower stage 26a, and as shown in FIGS. 23 and 25, the seat back 22 is pressed against the back surface of the seat back of the front seat 12 for storage.

As shown in FIG. 26, side frames 102 are provided on both sides of the seat cushion 20 in the vehicle width direction. The side frames 102 project forward at the lower ends of the front ends of the side frames 102 so as to extend in the vehicle width direction. The oriented shaft portion 104 is fixedly installed, and a bearing portion 106 that rotatably supports the shaft portion 104 is fixedly provided on the front side in the vicinity of the upper step 26b of the step portion 26. The hinge 108 is configured. A front end of a link 110 that connects the seat back 22 is rotatably attached to the outside of the side frame 102. Further, on both sides of the lower end portion of the seat back 22, hook portions 114 which are rotated by a lever 112 are provided, and the hook portions 1
An inverted U-shaped catcher 116 is provided on the floor surface 18 so as to correspond to the position 14.

At the portion where the link 110 is attached to the side plate 102, a lock claw 118 is provided on the side of the side plate 102, and a pin 120 engageable with the lock claw 118 is projectingly provided on the link 110. To be done. The lock pawl 118 is attached to the pin 120 by the coil spring 122.
The seat cushion 20 and the seat back 22 are fixed in this engaged state.

A seat back 22 is rotatably attached to the rear end of the link 110 via a reclining device 122. In the reclining device 122, fixed plates 124 fixed to both sides of the lower end of the seat back 22 are rotatably attached to the link 110 via a return spring 126, and a gear 128 coaxial with the center of rotation is attached to a rear end of the link. Is formed. A locking claw 130 engaged with the gear 128 is rotatably attached to the fixed plate 124, and the locking claw 130 is released by a lever 132.

By the way, a cable 134 connected to the hinge 108 is connected to the lock claw 118 provided on the side plate 102, and the seat cushion 20 is connected.
When the cable is rotated upward about the hinge 108 by a predetermined amount, the cable 134 rotates the lock claw 118 downward to release the engagement with the pin 120.

Therefore, in the third embodiment, as shown in FIG.
In the use state shown in FIG. 24, the hook 114 is engaged with the catcher 116, and when the seat 14 is stored, the lever 112 is operated to move the hook 114 to the catcher 1.
Leave 16 Then, the seat cushion 20 becomes rotatable around the hinge 108, and the rear end portion of the seat cushion 20 is manually lifted. Incidentally, a spring 136 is attached between the shaft portion 104 of the hinge 108 and the bearing portion 106 to urge the seat cushion 20 in a direction to rotate the seat cushion 20 upward, whereby the hook portion 114 is disengaged. At times, as shown in the state (a) of FIG. 21, the seat cushion 20 can be pivoted slightly upward to facilitate the rearward lifting operation.

When the rear end portion of the seat cushion 20 is further rotated upward and lifted to the state (b), the lock claw 118 is disengaged from the pin 120 and the seat back 22 is rotated rearward. To be done. By further rotating the seat cushion 20 forward in this state, the seat cushion 20 is housed inside out in the lower step 26a between the step 26 and the front seat 12 (see FIG. 22).
At this time, the seat back 22 is erected in the central portion on the back side of the seat cushion 20, and in order to secure a wider luggage space, the seat back 22 is moved forward as shown in FIGS. 23 and 25. The seat back 22 is held by the cargo.

[0055]

As described above, according to the first aspect of the present invention.
In the vehicle seat structure shown in Fig. 1, the rear seats that are separably arranged from the floor surface by the rear seat storage means are stored in the space between the front step and the stepped section in which the front is the lower tier and the rear is the upper tier. As a result, the rear seats accommodated can greatly reduce the protruding portion into the vehicle interior, and further, the effective space portion of the luggage space can be further expanded.

Further, in the vehicle seat structure according to claim 2 of the present invention, the seat cushion of the rear seat is rotated forward around the lower side of the front end portion to the front with the step portion in a state of being turned over. Since the seat cushion storage means for storing in the lower part of the floor between the seat and the seat back moving means for moving the seat back of the rear seat to the vicinity of the back of the seat back of the front seat are provided, the seat cushion is stored inside out. Since the luggage is stacked on the back surface of the seat cushion, the front surface of the seat cushion, that is, the seating surface can be prevented from being soiled.
Further, the rear seat back is moved to the vicinity of the back of the front seat back, so that the substantially entire back surface of the stored seat cushion can be used as a luggage space to further increase the load capacity.

Further, according to a third aspect of the present invention, the seat cushion storing means is configured such that the back surface of the seat cushion and the upper step of the floor are flush with each other in a state where the seat cushion is housed in the lower step of the floor. Therefore, the floor surface of the luggage space can be flattened to further expand the effective space portion, and loading and unloading of luggage can be facilitated.

Further, according to a fourth aspect of the present invention, the seat back moving means is provided with a slide mechanism for separating the seat back from the seat cushion and moving the back surface of the seat cushion housed in the lower step of the floor. So
The seat back can be moved simply by pushing the seat back forward after the seat cushion is stored, and the seat back can be stored easily.

According to a fifth aspect of the present invention, the seat back moving means is arranged between the lower end portion of the seat back and the rear end portion of the seat cushion so that the seat back is substantially perpendicular to the back surface of the seat cushion. Since the seat cushion is provided with a folding mechanism, the seat cushion is stored by folding the seat back toward the back side of the seat cushion while rotating the seat cushion forward around the lower side of the front end. At a stage, the seat back can be easily placed behind the front seat back.

Further, according to claim 6 of the present invention, since the seat cushion storing means and the seat back moving means are respectively provided with lock mechanisms, the seated state of the occupant can be obtained by keeping the lock mechanism in a normal use state. Can prevent the rear seats from moving.

Further, according to claim 7 of the present invention, the rear seat is applied to the intermediate second row seat provided in three rows in the front-rear direction. 1
Since it can be stored on the side of the driver's seat, which is a row, various advantageous effects can be obtained that the storage structure of the rear seat can be simplified.

[Brief description of drawings]

FIG. 1 is a side view of a vehicle seat structure according to a first embodiment of the present invention in a use state.

FIG. 2 is a side view of the rear seat cushion according to the first embodiment of the present invention in a stored state.

FIG. 3 is a side view of the retracted state of the seat back of the rear seat according to the first embodiment of the present invention.

FIG. 4 is a perspective view of a rear seat in a used state according to the first embodiment of the present invention.

FIG. 5 is a perspective view of the rear seat cushion of the first embodiment of the present invention in a stored state.

FIG. 6 is a rear seat storing means 1 showing the first embodiment of the present invention.
It is the perspective view which took out one.

FIG. 7 is an exploded perspective view of the storage means used in the first embodiment of the present invention.

FIG. 8 is an enlarged sectional view taken along the line AA in FIG.

9 is an enlarged cross-sectional view taken along the line BB in FIG.

FIG. 10 is an overall side view showing an embodiment of a vehicle to which the seat structure of the present invention is applied.

FIG. 11 is a side view of a used state of a rear seat showing a second embodiment of the present invention.

FIG. 12 is a first view showing a second embodiment of the present invention when the rear seat is stowed.
It is a side view of a stage.

FIG. 13 shows a second embodiment of the present invention when the rear seat is stowed
It is a side view of a stage.

FIG. 14 is a side view of a retracted state of a rear seat showing a second embodiment of the present invention.

FIG. 15 is a perspective view showing a main part of the second embodiment of the present invention when the rear seat is stowed.

FIG. 16 is an exploded perspective view of a seat cushion portion of a rear seat showing a second embodiment of the present invention.

FIG. 17 is a side view of the essential parts of the connecting portion between the seat cushion and the seat back of the rear seat showing the second embodiment of the present invention.

FIG. 18 is an exploded perspective view of an essential part of a connecting portion between a seat cushion and a seat back of a rear seat showing a second embodiment of the present invention.

19 is an enlarged cross-sectional view taken along the line CC in FIG.

FIG. 20 is a side view showing a use state of a rear seat according to the third embodiment of the present invention.

FIG. 21 is a side view showing a third embodiment of the present invention in an intermediate state when the rear seat is stowed.

FIG. 22 is a side view of the seat cushion of the rear seat in the retracted state showing the third embodiment of the present invention.

FIG. 23 is a side view of a rear seat in a final stored state showing a third embodiment of the present invention.

FIG. 24 is a perspective view of a rear seat in use, showing a third embodiment of the present invention.

FIG. 25 is a perspective view of a stored state of a rear seat according to a third embodiment of the present invention.

FIG. 26 is an exploded perspective view of essential components of the third embodiment of the present invention.

[Explanation of symbols]

10 One-Box Car 12 Front Seat 14 Middle Seat (Seat) 18 Floor Surface 20 Seat Cushion 22 Seat Back 26 Step 26a Lower Step 26b Upper Step 28 Rear Seat Storage 30 Lower Rail 36 Upper Rail 34 Hinge (Seat Cushion Storage) 44 Seat Back Slider (seat back moving means) 44a Slide plate 60 Slide plate 62 Rail 69 Hinge 82 Hook 84 pin 108 Hinge 118 Lock claw 120 pin

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Minor Toyota Minato 3-1, Fuchu-machi, Aki-gun, Hiroshima Prefecture Mazda Co., Ltd. (72) Inventor Shuji Kumano 3-1, Shinchi, Fuchu-cho, Aki-gun, Hiroshima Mazda Motor Corporation

Claims (7)

[Claims] 1. A step portion is formed on the floor surface, in which a front part of the vehicle is a lower step and a rear part of the vehicle is an upper step from a rear seat arrangement portion,
The front seats are arranged at a predetermined distance from the step portion in front of the vehicle, the rear seats are arranged above the step portion, and the rear seats are arranged so as to be separable from the floor surface. A vehicle seat structure, characterized in that a rear seat storage means for accommodating in a space between the front seat and the front seat is provided. 2. A step portion is formed on the floor surface such that a front portion of the vehicle is a lower portion and a rear portion of the vehicle is an upper portion from a portion where rear seats are arranged, and a step portion having a height of at least a thickness of a seat cushion of the rear seat is formed. The front seats are arranged at a predetermined distance in front of the vehicle, the rear seats are arranged above the step, and the seat cushion of the rear seats is separated from the floor surface. A seat cushion storing means is provided for turning and storing the seat cushion in a state of being turned upside down at a lower step between the step and the front seat, and the rear seat back is moved to the vicinity of the back of the front seat back. A vehicle seat structure, characterized in that a seat back moving means is provided. 3. The seat cushion storing means according to claim 2, wherein the back surface of the seat cushion and the upper step of the floor are flush with each other in a state where the seat cushion is accommodated in the lower step portion of the floor. Vehicle seat structure. 4. The seat back moving means is provided with a slide mechanism for separating the seat back from the seat cushion and moving the back surface of the seat cushion housed in the lower floor portion of the floor. Vehicle seat structure. 5. The seat back moving means includes a bending mechanism, which is provided between a lower end portion of the seat back and a rear end portion of the seat cushion, and which bends the seat back in a substantially right angle direction toward a back surface of the seat cushion. The vehicle seat structure according to claim 2, wherein: 6. The vehicle seat structure according to claim 2, wherein the seat cushion storing means and the seat back moving means are each provided with a lock mechanism. 7. The rear seat is a middle second row seat provided in three rows in the front-rear direction.
Or the vehicle seat structure described in 2.