JP6912722B2 - Vehicle seat - Google Patents

Description

The present invention relates to a vehicle seat, and more particularly to a vehicle seat capable of storing a seat back and a seat cushion on a storage floor formed at a position lower than the vehicle body floor.

In the prior art, there is known a means for displacing the height of the seat cushion by a link rotatably attached to the seat cushion and the vehicle body floor.

Patent Document 1 has a dive-down structure in which the seat back tilts forward so as to be substantially parallel to the seat cushion as the height of the seat cushion is displaced by the link, and the entire seat is stored in a low position. Has been described.

Further, as a mechanism for attaching a child seat to a vehicle such as an automobile, there is a mechanism defined by an international standard called ISOFIX. For example, as described in Patent Document 2 below, in the ISOFIX mechanism, a child seat connector is connected and fixed to a mounting bracket called a lower anchorage provided on the seat.

Japanese Unexamined Patent Publication No. 2012-144902 JP-A-2009-202788

However, in the prior art of Patent Document 1, since the seat back is tilted forward by the dive-down operation, when the height of the seat cushion is displaced low, the seat cushion can be loaded with luggage or the child seat by the ISOFIX mechanism. You will not be able to install it.

Therefore, in the present invention, a vehicle seat is desired in which the height of the seat can be displaced low while the seat back is upright from the seated state, and luggage can be loaded on the seat cushion even at a low height position. It is rare.

The present invention has been made in view of the above problems, and an object of the present invention is that the height of the entire seat can be displaced low while the seat back is standing upright from the seatable state. It is an object of the present invention to provide a vehicle seat capable of loading a load on a seat cushion even at a position where the height of the seat is displaced low.

According to the vehicle seat of the present invention, the subject includes a seat cushion and a seat back rotatably connected to the seat cushion via a rotation shaft, and the seat cushion and the seat back are provided. A vehicle seat that can be stored in a storage floor formed at a position lower than the vehicle body floor, provided with a mounting member for attaching the attached body to the vehicle seat, and in a state where the seat back is erected. The height position of the rotation shaft of the seat back can be moved to a position lower than the vehicle body floor, and the seat cushion can be stored in the storage floor, and the seat cushion can be stored in the storage floor. The problem is solved by the fact that the mounting member can be used in the stored state and in the state where the seat back is erected.

In the vehicle seat of the present invention configured as described above, the height of the seat cushion can be displaced to a lower position where it is stored in the storage floor, and the seat cushion is stored in the storage floor. Since the seat back can be erected even in the state, it is possible to attach the child seat to be attached even at a position where the height of the seat cushion is low.

Further, in the above configuration, the mounting member may be provided on the seat cushion.
In the above configuration, since the mounting member (ISO wire) for mounting the child seat to be mounted is provided on the seat cushion side, the mounted body (child seat) can be stably mounted.

Further, in the above configuration, the seat cushion includes a connecting member extending in the width direction of the vehicle seat, the connecting member is provided behind the vehicle seat, and the mounting member is a mounting member. It is preferable that it is attached to the connecting member.
In the above configuration, in the seat cushion, since the mounting member (ISO wire) is provided at the portion where the strength is improved by the connecting member, the attached body (child seat) can be attached to the portion where the mounting strength is improved. It becomes.

Further, in the above configuration, a rail member for connecting the seat back to the vehicle body floor with adjustable height is provided, and the rail member includes a seat side rail member provided on the seat back and the vehicle body floor. The seat back is configured to be height-adjustable with respect to the vehicle body floor by slidably engaging the seat-side rail member and the floor-side rail member, including the floor-side rail member provided in the vehicle. It should be done.
With the above configuration, the height of the seat back can be adjusted with respect to the vehicle body floor with a simple configuration.

Further, in the above configuration, the first shaft portion that rotatably connects the seat cushion and the seat back and the second shaft portion that rotatably connects the seat side rail member to the seat back are provided. It should be included.
In the above configuration, the seat cushion can be rotated and moved to the retracted position by allowing the locus of the seat back to be rotated by the first axis and the second axis while the height adjustment mechanism is functioning. It becomes.

Further, in the above configuration, the seat back is rotatably attached to the seat cushion via a reclining mechanism, and includes a hinge portion that connects the seat back and the vehicle body floor, and the hinge. It is preferable that the portion includes the floor side rail member and the hinge base portion attached to the vehicle body floor, and the floor side rail member and the hinge base portion are rotatably connected to each other.
With the above configuration, the angle of the seat back attached to the vehicle body floor can be reclining by the reclining mechanism.

Further, in the above configuration, the seat back can be rotated to a position where the seating surface of the seat back and the seating surface of the seat cushion abut on the first shaft portion, and the hinge portion is the seat. It is preferable that the seat back can be rotated to a position where the seating surface of the back and the seating surface of the seat cushion come into contact with each other.
With the above configuration, it is possible to tilt the seat back attached to the vehicle body floor forward to perform a dive-down operation to the stored state.

Further, in the above configuration, the second shaft portion may be a rotation shaft of the hinge portion.
In the above configuration, the seat back can be rotated to a position where the second shaft portion that rotatably connects the seat side rail to the seat back and the seating surface of the seat back and the seating surface of the seat cushion come into contact with each other. Since the hinge portion is configured as one member, the number of parts can be reduced.

Further, in the above configuration, a plurality of the mounting member and the seat side rail member are provided respectively, and the outer mounting member is arranged outside the outer seat side rail member in the width direction of the vehicle seat. Therefore, in the width direction of the vehicle seat, the inner mounting member may be arranged outside the inner seat-side rail member.
In the above configuration, since the mounting member and the rail member which is the height adjusting mechanism do not interfere with each other in the seat width direction, the mounting member can be mounted on the seat cushion from the front of the seat or the rail member can be mounted on the seat back. It is possible to make the installation easy.

Further, in the above configuration, a link member that can be attached to and detached from the storage floor is provided, and the seat cushion includes a seat cushion main body portion and a bracket portion that connects the seat cushion main body portion and the seat back. The seat cushion is provided so that the front end portion of the seat cushion can be flipped up by the third shaft portion, and the second shaft portion in the seatable state is the first shaft in the vertical direction of the vehicle seat. It is preferable that the seat is disposed between the portion and the third shaft portion and at a position overlapping the seat back in the front-rear direction of the vehicle seat.
With the above configuration, it is possible to suppress an increase in the size of the hinge portion.

According to the vehicle seat of the present invention, the height of the seat cushion can be displaced to a lower position where it is stored in the storage floor, and even when the seat cushion is stored in the storage floor. Since the seat back can be erected, the child seat to be attached can be attached even at a position where the height of the seat cushion is low.
Further, according to the vehicle seat of the present invention, since the mounting member (ISO wire) for mounting the child seat to be mounted is provided on the seat cushion side, the mounted body (child seat) can be stably mounted. It will be possible.
Further, according to the vehicle seat of the present invention, since the mounting member (ISO wire) is provided at the portion where the strength is improved by the connecting member in the seat cushion, the portion where the attachment strength (child seat) is improved. Can be attached to.
Further, according to the vehicle seat of the present invention, the height of the seat back can be adjusted with respect to the vehicle body floor with a simple configuration.
Further, according to the vehicle seat of the present invention, the seat cushion rotates to the retracted position by making the locus of the seat back rotatable by the first axis and the second axis while functioning the height adjustment mechanism. It becomes possible to move it.
Further, according to the vehicle seat of the present invention, the angle of the seat back attached to the vehicle body floor can be reclining by the reclining mechanism.
Further, according to the vehicle seat of the present invention, it is possible to tilt the seat back attached to the vehicle body floor forward to perform a dive-down operation to the stored state.
Further, according to the vehicle seat of the present invention, up to a position where the second shaft portion that rotatably connects the seat side rail to the seat back and the seating surface of the seat back and the seating surface of the seat cushion come into contact with each other. Since the hinge portion that allows the seat back to rotate is configured as one shaft, the number of parts can be reduced.
Further, according to the vehicle seat of the present invention, since the mounting member and the rail member which is the height adjusting mechanism do not interfere with each other in the seat width direction, the mounting member can be mounted on the seat cushion from the front of the seat. , It becomes possible to easily attach the rail member to the seat back.
Further, according to the vehicle seat of the present invention, it is possible to suppress an increase in the size of the hinge portion.

It is a perspective view of the seat frame which concerns on embodiment of this invention. It is a perspective view of the vehicle seat which concerns on embodiment of this invention. It is a perspective view of the back surface of the vehicle seat which concerns on embodiment of this invention. It is explanatory drawing which shows the hinge part and the rail member when the seat back of the vehicle seat which concerns on embodiment of this invention is in an upright state. It is explanatory drawing which shows the hinge part and the rail member when the seat back of the vehicle seat which concerns on embodiment of this invention is in a retracted state. It is explanatory drawing which shows the engaging part with the vehicle body when the vehicle seat which concerns on embodiment of this invention is in a seatable state. It is explanatory drawing which shows the engaging part with the vehicle body when the vehicle seat which concerns on embodiment of this invention is in a seat back standing dive down state. It is explanatory drawing when the vehicle seat which concerns on embodiment of this invention is in a seatable state. It is explanatory drawing when the seat for a vehicle which concerns on embodiment of this invention is in a seat back standing dive down state. It is explanatory drawing when the vehicle seat which concerns on embodiment of this invention is in a stored state.

Hereinafter, the vehicle seat according to the embodiment of the present invention (hereinafter, the present embodiment) will be described with reference to FIGS. 1 to 9 by taking a vehicle seat as an example. As the vehicle seat according to the present embodiment, the rear seat corresponding to the rear seat of the vehicle will be described as an example, but it may also be used as the second row middle seat in a vehicle having three rows of seats in the front-rear direction of the vehicle. It is available.

It should be noted that the embodiments described below are merely examples for facilitating the understanding of the present invention, and do not limit the present invention. That is, the shapes, dimensions, arrangements, etc. of the members described below can be changed and improved without departing from the gist of the present invention, and it goes without saying that the present invention includes equivalents thereof.

In the following description, the "front-rear direction" means the front-rear direction (the front-rear direction of the vehicle) when viewed from the occupant of the vehicle, and is a direction that coincides with the traveling direction of the vehicle.
The "seat (vehicle) width direction" means the width direction of the seat (vehicle) and coincides with the left-right direction when viewed from the occupant of the vehicle.
Further, the "vertical direction" means the height direction of the vehicle, which coincides with the vertical direction when the vehicle is viewed from the front.

[1. Overview of Seat Frame 1]
As shown in FIG. 1, the seat frame 1 is mainly composed of a seat back frame 10 and a seat cushion frame 20. The seat back frame 10 forms the skeleton of the backrest portion of the seat frame 1, and the seat cushion frame 20 forms the skeleton of the seating portion of the seat frame 1.

In a vehicle on which a vehicle seat S is mounted, a concave storage floor formed at a position lower than the vehicle body floor F1 on the front side of the vehicle seat S (seat frame 1) as shown in FIGS. 1 and 2. F2 is provided.

(Seat back frame 10)
As shown in FIG. 1, the seat back frame 10 is provided on both sides in the seat width direction, and connects a pair of side frames 11A and 11B extending in the vertical direction and lower ends of the pair of side frames 11A and 11B. The connecting member 12 and the upper frame 13 that connects the upper ends of the pair of side frames 11A and 11B are processed into a substantially rectangular frame shape.

There is an international standard called ISOFIX for a mechanism for attaching a child seat to a vehicle such as an automobile. A child seat connector is connected to the ISO wires 14A and 14B (mounting members), which are defined by ISOFIX and are one of the mechanisms, so that the child seat is fixed to the vehicle seat S. In the example shown in FIG. 1, the ISO wires 14A and 14B are attached to a connecting member 12 provided behind the vehicle seat S and extending in the seat width direction.

In the vehicle seat S of the present embodiment, since the ISO wires 14A and 14B (mounting members) are provided on the seat cushion frame 20 of the seat cushion S2, the attached body (child seat) can be stably attached. Further, in the seat cushion frame 20, since the ISO wires 14A and 14B (mounting members) are provided at the portions where the strength is improved by the connecting member 12, the attached body (child seat) is attached to the portions where the mounting strength is improved. It becomes possible.

The seat back frame 10 is provided with a rail member 15 extending in the vertical direction of the seat. The rail member 15 (seat-side rail member) is connected to the rail member (floor-side rail member) of the hinge portion H, which will be described later, to form a seat height adjusting mechanism.

Further, the side frame 11B of the seat back frame 10 is provided with a striker engaging portion 16 capable of engaging with a striker provided on the vehicle body B. The side where the striker engaging portion 16 is provided is the outside in the seat width direction.

Here, in the seat width direction, the outer ISO wire 14B is arranged outside the outer rail member 15, and the inner ISO wire 14A is arranged outside the inner rail member 15, and the seat width. The ISO wires 14A and 14B (mounting members) and the rail members 15 (height adjustment mechanism) are arranged at positions where they do not interfere with each other in the direction. Therefore, it is possible to easily attach the ISO wires 14A and 14B to the seat cushion frame 20 and the rail member 15 to the seat back frame 10 from the front of the seat.

(Seat cushion frame 20)
As shown in FIG. 1, the seat cushion frame 20 includes a pair of side frames 21 arranged on the left and right sides in the seat width direction, a front frame 22 connecting the front portions of the side frames 21, and each side frame 21. It is mainly composed of a rear frame 23 that connects the rear portions of the above.

As shown in FIGS. 1 and 2, the support legs 25 are substantially U-shaped pipe members that support the seat cushion S2. The upper end portion of the support leg 25 is connected to a substantially central portion in the front-rear direction on the left and right inner side surfaces of the seat cushion frame 20, and is rotatable about the link member rotation shaft 24. A substantially central portion of the support legs 25 in the left-right direction is detachably held by a foot catch 40 provided on the storage floor F2.

The support leg 25 can be switched to a locked state that locks the rotational operation by a known leg locking device (not shown), and specifically, when the support leg 25 is in the stored state, the seat cushion S2 is placed on the storage floor F2. The rotation operation of the support leg 25 is locked when it is stored. Then, when the support leg 25 is pulled, the locked state is released, and the support leg 25 can be moved to a position where it can be attached to the foot catch 40 so as to return to the seatable state.

The foot catch 40 is a substantially U-shaped member that holds the support legs 25 detachably, and is mounted on the storage floor F2. The width of the opening portion of the foot catch 40 is formed to be slightly narrower than the width diameter of the support leg 25, and the support leg 25 is detachably held by elastically deforming the foot catch 40.

The seat frame 1 is provided with a known reclining device (not shown), and can be switched to a locked state in which the rotational operation of the seat back frame 10 is locked, and the seat back frame 10 is locked in an upright state. The locked state is released by operating an operation lever (not shown), and the seat back frame 10 can be rotated forward and folded into the seat cushion frame 20.

[2. Outline of vehicle seat S]
As shown in FIG. 2, the vehicle seat S is attached between the seat body including the seat back S1, the seat cushion S2, and the headrest S3, and the seat body and the storage floor F2, and supports the seat cushion S2. Mainly from the support leg 25, the connecting member 30 that rotatably connects the seat back S1 to the seat cushion S2, and the foot catch 40 that is attached to the storage floor F2 and holds the support leg 25 detachably. It is configured.

A striker engaging portion 16 capable of engaging with a striker provided on the vehicle body B, which will be described later, is provided on the shoulder opening of the seat back S1 on the vehicle body B side.

The coupling member 30 (bracket portion) is a member that connects the seat back S1 and the seat cushion S2, and the seat back S1 rotates with respect to the seat cushion S2 on the rotation shaft 30a (first shaft portion) of the coupling member 30. It is connected so that it can be moved (foldable). Further, the seat cushion S2 is configured so that the front end portion of the tip-up rotation shaft 30b (third shaft portion) of the coupling member 30 can be flipped upward.

As shown in FIG. 3, a rail member 15 is exposed on the back surface of the seat back S1 and engages with the rail member R of the hinge portion H attached to the vehicle body floor F1 to lower the seat back S1. It is configured to be slidable to.

The hinge portion H is configured such that the movable portion Hc is connected to the hinge base portion Hb attached to the vehicle body floor F1 on the hinge rotation shaft Ha (second shaft portion). The movable portion Hc is configured to be rotatable with respect to the hinge base portion Hb on the hinge rotation shaft Ha.

The movable portion Hc and the rail member R are rotatably connected to each other via a link r. Specifically, the link r and the movable portion Hc are rotatably connected on the link rotation shaft r1, and the link r and the rail member R are rotatably connected on the link rotation shaft r2. ..

In the vehicle seat S of the present embodiment, the seat back S1 is moved to the upright state (FIG. 4A) or the stowed state (FIG. 4B) by the movable portion Hc and the rail member R rotatably connected to each other by the link r. It is possible. When the seat back S1 is moved from the upright state shown in FIG. 4A to the stored state shown in FIG. 4B, the movable portion Hc of the hinge portion H rotates on the hinge rotation shaft Ha, and the hinge base portion Hb and the movable portion are rotated. The Hc is arranged in a straight line, the link r rotates on the link rotation axis r1, and the rail member R rotates on the link rotation axis r2. In this way, the seating surface of the seat back S1 is substantially parallel to the storage floor F2 and is in the stored state (FIG. 4B).

As shown in FIGS. 5 and 6, the vehicle body B is provided with an upper striker Ba and a lower striker Bb, respectively. The upper striker Ba engages with the striker engaging portion 16 of the seat back S1 in the seatable state, and the lower striker Bb engages with the striker engaging portion 16 of the seat back S1 in the seat back standing dive down state. Is located in.

In the vehicle seat S, the seating surfaces of the seat back S1 and the seat cushion S2 (the surfaces on which the occupants come into contact when seated) are more flexible than the vehicle body floor F1 and the storage floor F2, so that the vehicle body floor F1 and storage The cushioning property is high with respect to the floor F2.

[3. About seat arrangement]
The vehicle seat S includes a seatable state in which an occupant can be seated (FIG. 7), a seatback standing dive-down state in which the seat cushion S2 is housed in the storage floor F2 and the seatback S1 stands up (FIG. 8), and a seat. Three types of seat arrangements are possible in a stored state (FIG. 9) in which the back S1 and the seat cushion S2 are stored in the storage floor F2. Hereinafter, three types of seat arrangements will be described.

(Sitable state)
FIG. 7 shows the state of the vehicle seat S when it is in the seatable state. When in the seatable state, the seat back S1 is locked in an upright state by a reclining device (not shown), and the seat cushion S2 is supported by the support legs 25 held by the foot catch 40.

In the seatable state, as shown in FIG. 5, the upper striker Ba provided on the vehicle body B engages with the striker engaging portion 16 of the seat back S1, so that the vehicle seat S is fixed to the vehicle body B. Will be done.

Since the seat back S1 stands up against the seat cushion S2 in the seatable state, it is possible to fix the child seat to the ISO wires 14A and 14B, and the child seat (attached body) is mounted on the vehicle seat S. It is possible to do.

Further, the hinge rotation shaft Ha (second shaft portion) in the seatable state includes the rotation shaft 30a (first shaft portion) and the tip-up rotation shaft 30b (third shaft portion) in the vertical direction of the vehicle seat. Since it is arranged between the seats and at a position where it overlaps with the seat back S1 in the front-rear direction of the vehicle seat, it is possible to suppress an increase in the size of the hinge portion H.

(Seat back standing dive down state)
FIG. 8 shows the state of the vehicle seat S when the seat back is in the upright dive-down state. When the seat back is in the upright dive-down state, the seat back S1 is locked in the upright state by a reclining device (not shown), and the lower surface of the seat cushion S2 is close to the surface of the storage floor F2.

In the seat back standing dive down state, as shown in FIG. 6, the lower striker Bb provided on the vehicle body B engages with the striker engaging portion 16 of the seat back S1, so that the vehicle seat S becomes the vehicle body B. Is fixed to.

Seat back standing Even in the dive-down state, the seat back S1 stands up against the seat cushion S2, so that the child seat can be fixed to the ISO wires 14A and 14B, and the child seat (attached to the vehicle seat S) can be fixed. It is possible to carry the body).

(Storage state)
FIG. 9 shows the state of the vehicle seat S in the stowed state (dive down state). When in the stored state, the lower surface of the seat cushion S2 is in contact with the surface of the storage floor F2, and the seating surface of the seat back S1 is folded so as to be close to the seating surface of the seat cushion S2.

[4. About changing the seat arrangement]
The vehicle seat S can be changed between three types of seat arrangements: a seatable state (FIG. 7), a seat back standing dive-down state (FIG. 8), and a stowed state (FIG. 9). The operation when changing the three types of seat arrangements will be described below.

(A. Change from seatable state to seat back standing dive down state)
First, an operation of moving the vehicle seat S from the seatable state (FIG. 7) to the seat back standing dive-down state (FIG. 8) will be described with reference to FIGS. 7 and 8.

When moving the vehicle seat S from the seatable state to the seat back standing dive down state, the lock of the support leg 25 is released, and the engagement between the striker engaging portion 16 of the seat back S1 and the upper striker Ba is released. .. Then, an operation lever (not shown) provided on the seat cushion S2 is operated. When the occupant operates the operation lever, the seat cushion S2 rotates forward and downward to the storage floor F2.

At this time, since the rail member 15 provided on the back surface of the seat back S1 and the rail member R are slidably connected, the seat back S1 faces the storage floor F2 downward to the position shown in FIG. And slide. That is, since the rail member 15 is slidably engaged with and connected to the rail member R, the seat back S1 and the seat cushion S2 are configured so that their heights can be adjusted with respect to the vehicle body floor F1.

In the vehicle seat S of the present embodiment, with the seat back S1 upright, the height position of the rotation shaft 30a of the seat back S1 is moved to a position lower than the vehicle body floor F1 and the seat cushion S2 is stored. It can be stored on the floor F2.

By this operation, as shown in FIG. 8, the seat back S1 stands up against the seat cushion S2, and the seat cushion S2 switches to the seat back standing dive-down state stored in the storage floor F2.

(B. Change from seatable state to stowed state)
Next, an operation of moving the vehicle seat S from the seatable state (FIG. 7) to the stowed state (FIG. 9) will be described with reference to FIGS. 7 and 9.

When the vehicle seat S is moved from the seatable state to the stowed state, the support legs 25 are unlocked, and the striker engaging portion 16 of the seat back S1 and the upper striker Ba are released. Then, an operation lever (not shown) provided on the seat back S1 is operated. When the occupant operates the operation lever, the locked state of the reclining device (not shown) is released, and the seat back S1 moves to the front side of the seat centering on the hinge rotation axis Ha so as to move the seat cushion S2 to the storage floor. Start rotating.

A known cable (not shown) is connected between the operation lever and the reclining device, and the cable is pulled by the operation of the operation lever to release the locked state of the reclining device.

By this operation, as shown in FIG. 9, the seat back S1 and the seat cushion S2 are stored in the vehicle body floor F1, and the seating surface of the seat back S1 is folded so as to be close to the seating surface of the seat cushion S2. Switch to the state.

(C. Change from seat back standing dive down state to stowed state)
Next, an operation of moving the vehicle seat S from the seat back standing dive-down state (FIG. 8) to the stored state (FIG. 9) will be described with reference to FIGS. 8 and 9.

When the vehicle seat S is moved from the seat back standing dive-down state to the stowed state, the striker engaging portion 16 of the seat back S1 and the lower striker Bb are disengaged. Then, the seat back S1 is rotated so as to be folded forward of the seat.

By this operation, as shown in FIG. 9, the seat back S1 and the seat cushion S2 are stored in the vehicle body floor F1, and the seating surface of the seat back S1 is folded so as to be close to the seating surface of the seat cushion S2. Switch to the state.

As described above, in the vehicle seat S according to the present embodiment, the seat back S1 has a rotation shaft 30a (first shaft portion) and a hinge rotation shaft Ha (second shaft portion) while the height adjustment mechanism is functioning. The seat back S1 and the seat cushion S2 can be rotated and moved to the storage position.

Further, a hinge rotation shaft Ha (second shaft portion) that rotatably connects the rail member 15 (seat side rail) to the seat back S1, a seating surface of the seat back S1 and a seating surface of the seat cushion S2. Since the hinge portion H that allows the seat back S1 to rotate to the position where the seat back S1 abuts is configured as one member, the number of parts can be reduced.

B Body Ba Upper upper striker (upper engaged part)
Bb lower striker (lower engaged part)
F1 Body floor F2 Storage floor S Vehicle seat S1 Seat back S2 Seat cushion S3 Headrest 1 Seat frame 10 Seat back frame 11A Side frame 11B Side frame 12 Connecting member 13 Upper frame 14A ISO wire (mounting member, wire member)
14B ISO wire (mounting member, wire member)
15 Rail member (seat side rail member)
16 Striker engagement part 20 Seat cushion frame 21 Side frame 22 Front frame 23 Rear frame 24 Link member rotation shaft 25 Support leg (link member)
30 Coupling member (bracket part)
30a Rotating shaft (1st shaft)
30b Tip-up rotation shaft (third shaft)
40 Foot catch (leg holding member)
H hinge part R rail member (floor side rail member)
Ha hinge rotation shaft (second shaft part)
Hb Hinge base Hc movable part r link r1 link rotation axis r2 link rotation axis

Claims (10)

With a seat cushion
A seat back that is rotatably connected to the seat cushion via a rotation shaft is provided.
The seat cushion and the seat back are vehicle seats that can be stored in a storage floor formed at a position lower than the vehicle body floor.
A mounting member for mounting the mounted body to the vehicle seat is provided.
With the seat back upright, the height position of the rotation shaft of the seat back can be moved to a position lower than the vehicle body floor, and the seat cushion can be stored in the storage floor. ,
A vehicle seat characterized in that the mounting member can be used in a state where the seat cushion is stored in the storage floor and the seat back is erected. The vehicle seat according to claim 1, wherein the mounting member is provided on the seat cushion. The seat cushion comprises a connecting member extending in the width direction of the vehicle seat.
The connecting member is provided behind the vehicle seat, and is provided.
The vehicle seat according to claim 1 or 2, wherein the mounting member is mounted on the connecting member. A rail member for connecting the seat back to the vehicle body floor in a height-adjustable manner is provided.
The rail member is
The seat side rail member provided on the seat back and
Including the floor side rail member provided on the vehicle body floor.
Claims 1 to 3, wherein the seat back is configured so that the height of the seat back can be adjusted with respect to the vehicle body floor by slidably engaging the seat side rail member and the floor side rail member. The vehicle seat according to any one of the above. A first shaft portion that rotatably connects the seat cushion and the seat back, and
The vehicle seat according to claim 4, further comprising a second shaft portion that rotatably connects the seat side rail member to the seat back. The seat back is rotatably attached to the seat cushion via a reclining mechanism.
A hinge portion for connecting the seat back and the vehicle body floor is provided.
The hinge portion includes the floor side rail member and
Including the hinge base attached to the vehicle body floor
The vehicle seat according to claim 5, wherein the floor-side rail member and the hinge base are rotatably connected to each other. The seat back can be rotated to a position where the seating surface of the seat back and the seating surface of the seat cushion come into contact with each other at the first shaft portion.
The vehicle seat according to claim 6, wherein the hinge portion makes the seat back rotatable to a position where the seating surface of the seat back and the seating surface of the seat cushion come into contact with each other. The vehicle seat according to claim 6, wherein the second shaft portion is a rotation shaft of the hinge portion. A plurality of the mounting member and the seat side rail member are provided, respectively.
In the width direction of the vehicle seat, the outer mounting member is arranged outside the outer seat-side rail member.
The vehicle according to any one of claims 4 to 8, wherein the inner mounting member is arranged outside the inner seat-side rail member in the width direction of the vehicle seat. Sheet for. A link member that can be attached to and detached from the storage floor is provided.
The seat cushion includes a seat cushion main body portion, and a bracket portion that connects the seat cushion main body portion and the seat back.
The seat cushion is provided so that the front end portion of the seat cushion can be flipped up by the third shaft portion.
The second shaft portion in the seatable state is arranged between the first shaft portion and the third shaft portion in the vertical direction of the vehicle seat, and the seat back is arranged in the front-rear direction of the vehicle seat. The vehicle seat according to any one of claims 5 to 8, wherein the seat is arranged at a position overlapping the above.

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