JP6990621B2 - Vehicle seat - Google Patents

Description

The present invention relates to a vehicle seat that can be switched between a seated state and a stored state in which one of the seat cushion and the seat back is arranged so as to overlap the other.

As a vehicle seat, for example, in Patent Document 1, it is possible to switch between a sitting state when sitting and a retracted state in which the entire seat is rotated forward with the seat back overlapped on the seat cushion. Rear seats are disclosed. In this technique, a cushioning member is arranged on the floor side surface of the seat cushion, and the rear seat is supported by the cushioning member by the cushioning member coming into contact with the floor in the retracted state.

Japanese Unexamined Patent Publication No. 2007-055566

By the way, in the stored state, luggage or the like may be placed on the seat back, so it is desirable that the seat back in the stored state is stable. In addition, when a load is applied to the seat back from above in the retracted state, the seat back is strongly pressed against the seat cushion and the seat cushion and the pad of the seat back are crushed. There is a possibility of dripping.

Therefore, an object of the present invention is to provide a vehicle seat capable of improving the stability of the seat portion overlapping on the seat portion in the stored state and suppressing the pad from sagging.
It also aims to prevent the support legs from getting in the way.
The purpose is to make the seat compact.
The purpose is to arrange the support legs compactly.
It is also intended to alleviate the impact when the support legs come into contact with each other.
It is also intended to suppress the load applied to the support legs when in the seated state.
It is also intended to prevent the pad from interfering with the support leg.

In order to achieve the above-mentioned object, the vehicle seat of the present invention includes a first seat portion constituting one of the seat cushion and the seat back, and a second seat portion constituting the other of the seat cushion and the seat back. A vehicle seat that can be switched between a seated state when sitting and a stored state in which the second seat portion is arranged so as to overlap the first seat portion, and is attached to the second seat portion. It has a first end portion and a second end portion that abuts on a first support surface provided on the floor of the vehicle body in the retracted state, and the second end portion is the first end portion in the retracted state. It is characterized by having a second support leg that abuts on the support surface and supports the second seat portion.

According to such a configuration, the second seat portion can be directly supported by the second support leg in the retracted state. This makes it possible to improve the stability of the second seat portion in the stored state. Further, even if a load is applied to the second seat portion from above in the retracted state, the second seat portion can be supported by the second support leg, so that the second seat portion is strongly pressed against the first seat portion. It can be suppressed. As a result, it is possible to suppress the crushing of the pads of the first sheet portion and the second sheet portion, so that the pads can be suppressed from sagging.

In the vehicle seat described above, the first end portion may be fixed to the second seat portion.

According to this, the stability of the second sheet portion in the stored state can be further improved.

In the vehicle seat described above, the second support leg may be configured to be arranged under the first seat portion when in the seated state.

According to this, it is possible to prevent the second support leg from getting in the way when in the seated state.

In the vehicle seat described above, the second support leg may be configured to extend forward so that the second end portion is located in front of the first end portion when seated. can.

According to this, since the second support leg does not protrude backward when in the seated state, the seat can be made compact.

In the vehicle seat described above, the second support leg may be configured such that the second end portion is arranged above the first end portion when in the seated state.

According to this, when the seated state, the second support leg is arranged so as to extend diagonally upward and forward, and the second end portion approaches the first seat portion, so that the second support leg does not pop out downward. It can be suppressed. As a result, it is possible to further prevent the second support leg from getting in the way when in the seated state.

One end of the vehicle seat is rotatably connected to the first seat portion about the first axis, and the other end is rotatably connected to the vehicle body about the second axis parallel to the first axis. The second support leg may be configured to be arranged behind the link in the seated state.

In the vehicle seat described above, the first seat portion is rotatably connected to the second seat portion about a third axis behind the first axis and parallel to the first axis, and the first seat portion is connected to the second seat portion. The two seat portions are rotatably connected to the vehicle body behind the second axis and centered on the fourth axis parallel to the first axis, and the second support legs are front and rear when in the retracted state. It can be configured to be arranged between the first axis and the fourth axis in the direction.

According to this, the seat can be made compact in the front-rear direction.

In the vehicle seat described above, the second support leg may be configured to be arranged below the third axis when in the seated state.

According to this, it is possible to prevent the second support leg from getting in the way when in the seated state.

In the vehicle seat described above, two links are provided side by side, and the second support leg may be arranged between the left and right links in the left-right direction.

According to this, the second support leg can be arranged compactly.

In the vehicle seat described above, the second support leg may have a leg body including the first end portion, and the second end portion may be made of a material softer than the leg body.

According to this, it is possible to alleviate the impact when the second end portion of the second support leg comes into contact with the first support surface.

In the vehicle seat described above, the first seat portion includes left and right side frames arranged apart from each other in the left-right direction, a front frame connecting the front portions of the left and right side frames, and the left and right side frames. It has a rear frame that connects the rear portions to each other, and a reinforcing frame that spans the front frame and the rear frame. The frame may be configured to be arranged on the side opposite to the seated side.

According to this, since the load from the seated person side can be received by the reinforcing frame, it is possible to suppress the load from being applied to the second support leg in the seated state. Further, it is possible to prevent the pad arranged between the reinforcing frame and the seated person from interfering with the second support leg.

In the above-mentioned vehicle seat, the second support leg may be arranged so as to overlap with the reinforcing frame when viewed from above in the seated state.

According to this, the second support leg can be arranged compactly. Further, it is possible to further suppress the pad arranged between the reinforcing frame and the seated person from interfering with the second support leg.

In the vehicle seat described above, the first seat portion has a contact surface that abuts on a second support surface provided on the floor of the vehicle body in the retracted state, and the contact surface is in contact with the second support surface in the retracted state. It has a first support leg that abuts on the second support surface and supports the first seat portion, and the second end portion has a configuration in which the position in the left-right direction overlaps with the contact surface. be able to.

According to this, the second support leg can be arranged compactly.

In the vehicle seat described above, the second support legs may be provided side by side in a plurality of positions.

According to this, the stability of the second sheet portion in the stored state can be further improved.

According to the present invention, the stability of the second sheet portion in the stored state can be improved, and the pad can be suppressed from sagging.

Further, by fixing the first end portion to the second seat portion, the stability of the second seat portion in the retracted state can be further improved.

Further, by arranging the second support leg under the first seat portion in the seated state, it is possible to prevent the second support leg from becoming an obstacle.

Further, the seat can be made compact by forming the second support leg so as to extend forward so that the second end portion is located in front of the first end portion when in the seated state.

Further, by arranging the second end portion above the first end portion in the seated state, it is possible to further suppress the second support leg from becoming an obstacle.

Further, by arranging the second support leg between the first axis and the fourth axis in the front-rear direction in the retracted state, the seat can be made compact in the front-rear direction.

Further, by arranging the second support leg below the third axis in the seated state, it is possible to prevent the second support leg from becoming an obstacle in the seated state.

Further, by arranging the second support leg between the left and right links in the left-right direction, the second support leg can be arranged compactly.

Further, by forming the second end portion from a material softer than the leg body, it is possible to alleviate the impact when the second end portion of the second support leg comes into contact with the first support surface.

Further, by arranging the second support leg on the side opposite to the seated side of the reinforcing frame in the seated state, it is possible to suppress the load from being applied to the second support leg in the seated state. In addition, it is possible to prevent the pad from interfering with the second support leg.

Further, by arranging the second support leg so as to overlap the reinforcing frame when viewed from above in the seated state, the second support leg can be arranged compactly. In addition, it is possible to further suppress the pad from interfering with the second support leg.

Further, by arranging the position of the second end portion in the left-right direction so as to overlap with the contact surface of the first support leg, the second support leg can be arranged compactly.

Further, by providing a plurality of the second support legs side by side side by side, the stability of the second seat portion in the retracted state can be further improved.

It is a perspective view of the vehicle seat which concerns on embodiment, and is the figure (a) which shows the sitting state, and the figure (b) which shows the retracted state. It is a perspective view of a seat frame. It is the figure which looked at the seat in a seated state from the side. It is the figure which looked at the sheet in a retracted state from the side. It is a perspective view of the 1st support leg. It is the figure which looked at the seat frame from the upper side. It is the figure which looked at the seat frame from the front side. It is a side view of the vehicle seat which concerns on the modification, and is a figure (a) which shows a sitting state, and a figure (b) which shows a retracted state.

Hereinafter, embodiments of the invention will be described with reference to the accompanying drawings. In this specification, the front / rear, left / right, and top / bottom are based on the person sitting on the seat (seat person).
As shown in FIG. 1A, the vehicle seat of the present embodiment is a vehicle seat S mounted on an automobile, and is an example of a seat cushion S1 as an example of a first seat portion and an example of a second seat portion. The seat back S2 and the headrest S3 are provided. The vehicle seat S has a configuration that can be switched between the seated state shown in FIG. 1 (a) and the stored state shown in FIG. 1 (b). The seated state is a state in which the seat back S2 stands up with respect to the seat cushion S1, that is, a state in which a person sits down. Further, in the retracted state, the seat back S2 is tilted forward and is arranged so as to overlap the seat cushion S1, and the seat cushion S1 moves from the seated state to the front side and the lower side to move the floor FL of the vehicle body (vehicle). It is in a state of being placed nearby.

The vehicle seat S includes a seat frame F as shown in FIG. The seat frame F includes a cushion frame F1 which is a frame of the seat cushion S1, a back frame F2 which is a frame of the seat back S2, and a headrest frame F3 which is a frame of the headrest S3. As shown in FIGS. 1A and 2, the seat cushion S1 is configured by covering the cushion frame F1 with the cushion pad P1 and further covering the cushion frame F1 and the cushion pad P1 with the cushion skin U1. Further, the seat back S2 is configured by covering the back frame F2 with the back pad P2 and further covering the back frame F2 and the back pad P2 with the back skin U2. The pads P1 and P2 are made of urethane foam or the like, and the skins U1 and U2 are made of cloth or leather.

As shown in FIG. 2, the cushion frame F1 includes a cushion pipe frame 11, left and right rear side frames 12, a rear frame 13, and a pan frame 14 as an example of a reinforcing frame.
The cushion pipe frame 11 is a frame formed by bending a metal pipe into a substantially U shape, and is in front of the left and right front side frames 11A and the left and right front side frames 11A (side frames 10) extending substantially in the front-rear direction. It has a front frame 11B that connects the portions.
The rear side frame 12 is made of sheet metal. The rear portion of the front side frame 11A is connected to the front portion of the rear side frame 12 by welding. The cushion frame F1 includes left and right side frames 10 arranged apart from each other in the left-right direction by the left and right front side frames 11A and the left and right rear side frames 12.
The rear frame 13 is composed of a pipe and connects the rear portions of the left and right rear side frames 12 (side frames 10) to each other.

The pan frame 14 is made of sheet metal, and the frame-shaped portion of the cushion frame F1, specifically, the frame-shaped portion formed by the cushion pipe frame 11, the left and right rear side frames 12, and the rear frame 13 in the left-right direction. It is located near the center. The pan frame 14 extends substantially back and forth, and by welding, the front end portion is connected to the front frame 11B and the rear end portion is connected to the rear frame 13, so that the pan frame 14 is bridged between the front frame 11B and the rear frame 13. It is provided in a state.

The back frame F2 includes a back pipe frame 21, a reinforcing member 22, a side bracket 23, and a back panel 24.

The back pipe frame 21 is a frame in which a metal pipe is bent into a substantially rectangular shape and the ends of the pipes are connected to each other by welding at the lower part. It has 21C. The left and right side frames 21A are arranged apart from each other in the left-right direction. The upper frame 21B extends left and right to connect the upper ends of the left and right side frames 21A, and the lower frame 21C extends left and right to connect the lower ends of the left and right side frames 21A. The upper frame 21B has a flat surface portion 21D formed by crushing a part of the pipe. A pair of support brackets 25 for attaching the headrest frame F3 are fixed to the flat surface portion 21D by welding.

The reinforcing member 22 is made of a pipe and connects the left and right side frames 21A to each other. The reinforcing member 22 extends to the left and right, and the left and right ends are connected to the left and right side frames 21A near the center in the vertical direction by welding.
The side bracket 23 is made of sheet metal and is formed in a vertically long shape having a substantially U-shaped cross section. The lower parts of the left and right side frames 21A are connected to the upper part of the side bracket 23 by welding.
The back panel 24 is made of sheet metal and is arranged so as to overlap the back pipe frame 21 when viewed from the front side. The back panel 24 is joined to the back pipe frame 21 and the side bracket 23 by welding. The back panel 24 is formed with a plurality of beads and convex portions that are convex toward the front side and are concave when viewed from the rear side.

The vehicle seat S includes a link 30. The link 30 is made of a pipe, and two links 30 are provided side by side. As shown in FIG. 3, the upper end of the link 30 is rotatably connected to the seat cushion S1 with the first axis A1 as the center, and the lower end of the other end is the second axis parallel to the first axis A1. It is rotatably connected to the vehicle body around A2. Specifically, the link mounting bracket 41 is fixed to the left and right front side frames 11A of the cushion frame F1 by welding near the center in the front-rear direction. The upper end of the link 30 is rotatably connected to the link mounting bracket 41 about the first axis A1. Further, the link 30 is rotatably connected to the first fixing bracket 42 whose lower end is fixed to the vehicle body around the second axis A2. The link 30 is arranged inside the front side frame 11A in the left-right direction (see FIG. 6). In other words, the left and right links 30 are arranged between the left and right front side frames 11A in the left and right direction. Further, the left and right links 30 are connected by a connecting pipe 35 extending to the left and right.

The seat cushion S1 is rotatably connected to the seat back S2 about the third axis A3 which is rearward of the first axis A1 and parallel to the first axis A1, and the seat back S2 is rearward of the second axis A2. It is rotatably connected to the vehicle body around the fourth axis A4 parallel to the first axis A1. Specifically, a connecting bracket 43 is fixed to the side bracket 23 of the back frame F2 by welding on the upper portion thereof. The connecting bracket 43 is provided so that the front portion protrudes forward from the side bracket 23. In the seat cushion S1, the rear side frame 12 constituting the cushion frame F1 is rotatably connected to the front portion of the connecting bracket 43 about the third axis A3. Further, the seat back S2 is rotatably connected to a second fixing bracket 44 at which the lower end of the side bracket 23 is fixed to the vehicle body around the fourth axis A4. A lock mechanism (not shown) is arranged at the lower end of the side bracket 23, and when in the seated state, rotation of the seat back S2 around the fourth axis A4 is restricted. The lock by the lock mechanism is released by pulling the strap 51 provided on the seat back S2 upward to operate the lock release mechanism 50, as shown in FIG. 2, thereby centering the fourth axis A4 of the seat back S2. The rotation is possible.

As shown in FIG. 3, the seat cushion S1 includes a first support leg 16, and the seat back S2 includes a second support leg 26. As shown in FIG. 4, the first support leg 16 is a member that supports the seat cushion S1 in the retracted state, and the second support leg 26 is a member that supports the seat back S2 in the retracted state.

As shown in FIG. 5, the first support leg 16 is made of a metal wire, and has the left and right leg portions 161 and the first connection portion 162, the left and right second connection portions 163, and the left and right mounting portions 164. have.
The leg portion 161 is formed in a substantially U-shape that is convex downward. The leg portion 161 has a contact extending portion 161A extending to the left and right, an inner extending portion 161B extending from the left-right inner end of the contact extending portion 161A, and a contact extending portion 161A from the left-right outer end. It has an extending outer extending portion 161C. In the present embodiment, the outer extending portion 161C extends substantially up and down, and the inner extending portion 161B is inclined so as to be located inward in the left-right direction as it goes upward. The lower surface of the contact extending portion 161A is a contact surface 16A that abuts on the second support surface SF2 (see FIG. 4) provided on the floor FL of the vehicle body in the retracted state.

The first connection portion 162 is a portion that connects the upper ends of the inner extending portions 161B of the leg portions 161 and extends to the left and right. Further, the second connecting portion 163 is a portion connecting the upper end of the outer extending portion 161C of the leg portion 161 and the mounting portion 164. The second connection portion 163 extends so as to be located rearward toward the outside in the left-right direction. The mounting portion 164 extends rearward from the left-right outer end of the second connecting portion 163. The mounting portion 164 is fixed to the lower surface of the front side frame 11A by welding.
As shown in FIG. 7, the first support leg 16 is arranged below the cushion pipe frame 11 when viewed from the front side. Further, as shown in FIG. 6, the first support leg 16 is arranged on the rear side of the front frame 11B when viewed from above.

The second support leg 26 has a leg body 261 and a cushioning member 262.
The leg body 261 is made of sheet metal. The leg body 261 has a first side wall 261A located on the lower side, a second side wall 261B on the left and right, and a third side wall 261C located on the front side with the seated state as a reference, and the upper and rear sides are opened. There is. The second side wall 261B is provided so as to rise from the left and right ends of the first side wall 261A, and the third side wall 261C rises from the front end of the first side wall 261A and connects the front ends of the left and right second side walls 261B. It is provided as follows. At the rear ends of the left and right second side walls 261B, substantially arc-shaped recesses 261D that follow the shape of the lower frame 21C are formed (see FIG. 3).
The cushioning member 262 (second end portion 26B described later) is made of a material softer than the leg body 261 and is formed in a bottomed cylindrical shape. As an example, the cushioning member 262 is made of rubber. The cushioning member 262 is fixed to the third side wall 261C of the leg body 261 by a screw.

The second support leg 26 has a first end portion 26A and a second end portion 26B. Based on the seated state, the first end portion 26A is the rear end portion of the second support leg 26, and the second end portion 26B is the front end portion of the second support leg 26. More specifically, in the present embodiment, the first end portion 26A is the rear end portion of the leg body 261. That is, the leg body 261 includes the first end portion 26A. Further, the second end portion 26B is composed of a cushioning member 262. The second end portion 26B abuts on the first support surface SF1 provided on the floor FL in the retracted state (see FIG. 4).

The first end portion 26A of the second support leg 26 is attached to the back frame F2 of the seat back S2 in a state of being fixed to the seat back S2. Specifically, in the second support leg 26, the rear end portions of the first side wall 261A of the leg body 261 and the left and right second side walls 261B are fixed to the lower frame 21C by welding (see the welded portion W11). A plurality of such second support legs 26 are provided side by side, specifically, two. The two second support legs 26 are arranged apart from each other in the left-right direction.

As shown in FIG. 3, the second support leg 26 is provided from the lower frame 21C so that the second end portion 26B is positioned in front of the first end portion 26A fixed to the lower frame 21C when in the seated state. It extends forward. Further, in the second support leg 26, when the seated state, the second end portion 26B is arranged above the first end portion 26A. As a result, the second support leg 26 is arranged so as to extend diagonally forward and upward from the lower frame 21C when in the seated state. Further, the second support leg 26 is arranged below the third axis A3 when in the seated state. Further, the second support leg 26 is arranged on the lower side (opposite side to the seated person side) of the pan frame 14 when viewed from the left-right direction in the seated state. Furthermore, the second support leg 26 is arranged on the lower side of the seat cushion S1 when in the seated state. Further, the second support leg 26 is arranged behind the link 30 when in the seated state.

As shown in FIG. 6, the second support leg 26 is arranged so as to overlap the pan frame 14 when viewed from above in the seated state. Further, as shown in FIG. 7, the second support leg 26 is arranged between the left and right links 30 in the left-right direction. Further, the second support leg 26 is arranged between the support brackets 25 in the left-right direction. Further, the second support leg 26 is arranged so that the position in the left-right direction overlaps with the leg portion 161 of the first support leg 16. Further, the second end portion 26B of the second support leg 26 is arranged so that the position in the left-right direction overlaps with the contact surface 16A (range shown by the alternate long and short dash line in FIG. 7) of the leg portion 161.

As shown in FIG. 4, the second support leg 26 is arranged between the first axis A1 and the fourth axis A4 in the front-rear direction in the retracted state. Further, the second support leg 26 is arranged between the third axis A3 and the fourth axis A4 in the front-rear direction when in the retracted state and in the vertical direction when in the seated state (see FIG. 3). Further, the second support leg 26 is arranged so that the position in the front-rear direction overlaps with the second axis A2 in the retracted state.

Next, the operation and effect of the vehicle seat S according to the present embodiment will be described.
When the lock release mechanism 50 (see FIG. 2) is operated from the seated state shown in FIG. 3 to unlock the seat back S2 and the seat back S2 is tilted forward with respect to the seat cushion S1, the back frame F2 is released. It rotates forward around the fourth axis A4. As a result, the third axis A3 rotates forward around the fourth axis A4, and the cushion frame F1 moves forward. Further, when the cushion frame F1 moves to the front side, the first axis A1 rotates forward and downward around the second axis A2, so that the link 30 is rotated so as to tilt forward around the second axis A2. It moves and the cushion frame F1 moves to the front side and the lower side. Then, as shown in FIG. 4, the contact surface 16A of the first support leg 16 abuts on the second support surface SF2, and the seat back S2 overlaps the seat cushion S1 to form the second support leg 26. When the two end portions 26B come into contact with the first support surface SF1, the vehicle seat S switches to the retracted state.

On the other hand, when the seat back S2 is raised with respect to the seat cushion S1 from the retracted state, the back frame F2 rotates upward about the fourth axis A4. As a result, the third axis A3 rotates upward around the fourth axis A4, and the cushion frame F1 moves upward. Further, when the cushion frame F1 moves upward, the first axis A1 rotates upward and rearward with respect to the second axis A2, so that the link 30 rotates so as to rise around the second axis A2. , The cushion frame F1 moves upward and rearward. Then, as shown in FIG. 3, when the seat back S2 stands up at a predetermined angle with respect to the seat cushion S1, a locking mechanism acts so that the seat back S2 does not fall further backward, and the vehicle seat S becomes a vehicle seat S. It switches to the seated state. In the seated state, the contact surface 16A of the first support leg 16 and the second end portion 26B of the second support leg 26 are separated from the support surfaces SF1 and SF2 (see FIG. 4).

According to the present embodiment, the seat back S2 can be directly supported by the second support leg 26 in the retracted state. This makes it possible to improve the stability of the seat back S2 in the stored state. Further, even if a load is applied to the seat back S2 from above, for example, when a load is placed on the seat back S2 in the stored state, the seat back S2 can be supported by the second support leg 26. , It is possible to prevent the seat back S2 from being strongly pressed against the seat cushion S1. As a result, the cushion pad P1 and the back pad P2 can be suppressed from being crushed, so that the cushion pad P1 and the back pad P2 can be suppressed from sagging.

Further, since the first end portion 26A of the second support leg 26 is fixed to the seat back S2 and does not move, the second support leg 26 is rotatably attached to the seat back S2, for example, as compared with the case where the second support leg 26 is rotatably attached to the seat back S2. The stability of the seat back S2 in the stored state can be further improved.

Further, since the second support leg 26 is arranged on the lower side of the seat cushion S1 in the seated state, as compared with the case where the second support leg is arranged on the upper side of the seat cushion S1 in the seated state, for example. Therefore, it is possible to prevent the second support leg 26 from getting in the way when in the seated state.

Further, the second end portion 26B of the second support leg 26 arranged under the seat cushion S1 in the seated state is located in front of the first end portion 26A attached to the lower frame 21C. Since it extends forward, the second support leg 26 does not pop out backward when in the seated state. As a result, the vehicle seat S can be made compact.

Further, since the second end portion 26B is arranged above the first end portion 26A in the seated state, the second support leg 26 is arranged so as to extend diagonally forward and upward, and the second end portion 26B, In other words, the front end portion of the second support leg 26 is arranged so as to approach the seat cushion S1. As a result, it is possible to prevent the second support leg 26 from popping out downward, so that it is possible to further suppress the second support leg 26 from becoming an obstacle when in the seated state.

Further, since the second support leg 26 is arranged between the first axis A1 and the fourth axis A4 in the front-rear direction in the retracted state, for example, the second support leg 26 is the first in the front-rear direction in the retracted state. The vehicle seat S can be made more compact in the front-rear direction as compared with the case where it is arranged outside the axis A1 or the fourth axis A4.

Further, since the second support leg 26 is arranged below the third axis A3 in the seated state, for example, when the second support leg is arranged above the third axis A3 in the seated state. In comparison with the above, it is possible to prevent the second support leg 26 from getting in the way when in the seated state.

Further, since the second support leg 26 is arranged between the left and right links 30 in the left-right direction, for example, as compared with the case where the second support leg is arranged outside the left and right links 30 in the left-right direction. The second support leg 26 can be arranged compactly.

Further, since the second end portion 26B is made of a material softer than the leg body 261, for example, the second support leg 26 is made of metal as compared with the case where the second support leg made of metal is in direct contact with the first support surface SF1. The impact when the second end portion 26B abuts on the first support surface SF1 can be mitigated. Further, it is possible to suppress the generation of sound when the second end portion 26B abuts on the first support surface SF1.

Further, since the second support leg 26 is arranged on the lower side of the pan frame 14 in the seated state, the load from the seated person side can be received by the pan frame 14. As a result, it is possible to suppress the load from above on the second support leg 26 in the seated state, which is arranged so as to extend back and forth. Further, it is possible to prevent the cushion pad P1 arranged between the pan frame 14 and the seated person from interfering with the second support leg 26.

Further, since the second support legs 26 are arranged so as to overlap the pan frame 14 when viewed from above in the seated state, for example, when the second support legs 26 are arranged on the left and right sides of the pan frame 14 when viewed from above. The second support leg 26 can be arranged more compactly than the above. Further, it is possible to further suppress the cushion pad P1 from interfering with the second support leg 26.

Further, since the position of the second end portion 26B in the left-right direction of the second support leg 26 overlaps with the contact surface 16A of the first support leg 16, for example, the second support leg 26 is arranged in the left-right direction. The second support leg 26 can be arranged more compactly as compared with the case where it is arranged outside the contact surface 16A.

Further, since two (plurality) of the second support legs 26 are provided side by side, for example, the seat back S2 in the retracted state is compared with the case where only one second support leg 26 is provided. The stability of the can be further improved.

Although one embodiment of the invention has been described above, the present invention is not limited to the above embodiment. The specific configuration can be appropriately changed as described below without departing from the spirit of the invention.
For example, the arrangement of the second support legs described in the above embodiment is an example, and the second support legs may be arranged at different positions in the left-right direction from the contact surface of the first support legs at the second end portion. good. Further, the second support legs may be arranged on the left and right sides of the pan frame when viewed from above when in the seated state. Further, the second support leg may be arranged outside the left and right links in the left-right direction. Further, the second support leg may be arranged on the upper side of the seat cushion when in the seated state. In the configuration in which the second support leg is arranged on the upper side of the seat cushion when the second support leg is in the seated state, the second support leg may be configured as, for example, an armrest.

Further, in the above embodiment, the cushioning member 262 is made of rubber, but the present invention is not limited to this, and for example, the cushioning member may be made of a resin or urethane foam that is softer than the leg body. .. Further, in the above embodiment, the second support leg 26 has the leg body 261 and the cushioning member 262, and the cushioning member 262 abuts on the first support surface SF1 in the retracted state, but the present invention is not limited to this. .. That is, the second leg portion may be configured such that the leg body directly contacts the first support surface in the retracted state without providing the cushioning member. In this case, the end portion of the leg body that abuts on the first support surface corresponds to the "second end portion". Further, for example, the second support leg may be entirely made of rubber.

Further, in the above-described embodiment, the first end portion 26A of the second support leg 26 is fixed to the seat back S2, but the present invention is not limited to this. For example, the second support leg has a configuration in which the first end is rotatably attached to the frame of the seat back, and when seated, it is rotated and folded so as not to get in the way and does not protrude significantly from the seat back. May be.

Further, in the above-described embodiment, two second support legs 26 are provided, but the present invention is not limited to this, and for example, only one second support leg may be provided, or three or more second support legs may be provided. It may have been.

Further, in the above embodiment, the pan frame 14 made of sheet metal is exemplified as the reinforcing frame, but the present invention is not limited to this, and for example, the reinforcing frame may be a frame made of a pipe or the like.

Further, in the above-described embodiment, the first support surface SF1 and the second support surface SF2 are a surface on the floor FL, that is, a part of the floor FL, but the present invention is not limited thereto. For example, in a configuration in which the vehicle seat is attached to the vehicle body via the base member, the second end portion of the second leg portion abuts on a part of the base member arranged on the floor of the vehicle body in the retracted state. The surface of the base member with which the second end abuts corresponds to the "first support surface provided on the floor of the vehicle body". In other words, the present invention is not limited to the configuration in which the second end portion of the second leg portion directly abuts on the floor in the retracted state. The same applies to the second support surface to which the contact surface of the first support leg abuts.

Further, in the above-described embodiment, the vehicle seat S is arranged so that the seat back S2 is tilted forward and overlaps the seat cushion S1 in the retracted state, and the seat cushion S1 is placed on the front side and the lower side from the seated state. It was configured to move and be placed near the floor FL, but it is not limited to this. For example, the vehicle seat may be configured such that the seat cushion does not move with respect to the vehicle body, and the seat back is tilted forward and placed on the seat cushion in a retracted state.

Further, in the above-described embodiment, in the vehicle seat S, the first seat portion constitutes the seat cushion S1, and the second seat portion arranged so as to overlap the first seat portion in the retracted state is the seat back S2. Was composed of, but is not limited to this. For example, as shown in FIG. 8A, in the vehicle seat SH, the first seat portion may form the seat back S12, and the second seat portion may form the seat cushion S11. In the vehicle seat SH, the seat back S12 is rotatably provided with respect to the seat cushion S11 around the fifth axis A5, and the seat cushion S11 rotates around the vehicle body around the sixth axis A6 parallel to the fifth axis A5. It is provided so that it can be moved. When switching from the seated state shown in FIG. 8A to the retracted state, the seat back S12 is rotated forward and tilted, and is placed on the seat cushion S11. Then, the seat cushion S11 is rotated backward and inverted, and is stored in the seat storage portion B1 provided on the vehicle body as shown in FIG. 8B. In the vehicle seat SH, the seat cushion S11 is arranged so as to be overlapped on the seat back S12 in the retracted state. The seat cushion S11 as the second seat portion is provided with the second support leg 126. In the second support leg 126, the first end portion 126A is attached to the seat cushion S11, and the second end portion 126B abuts on the first support surface B2 (bottom surface of the seat storage portion B1) in the retracted state. It is configured to support the seat cushion S11.

Further, in the above-described embodiment, the vehicle seat S mounted on an automobile is exemplified as a vehicle seat, but the present invention is not limited to this, and the seat is mounted on a vehicle other than an automobile, for example, a railroad vehicle, a ship, or an aircraft. May be.

In addition, the elements described in the above-described embodiments and modifications can be combined and implemented as appropriate.

10 Side frame 11B Front frame 13 Rear frame 14 Pan frame 16 1st support leg 16A Contact surface 26 2nd support leg 26A 1st end 26B 2nd end 30 Link 261 Leg body A1 1st axis A2 2nd axis A3 3rd axis A4 4th axis FL floor S Vehicle seat S1 Seat cushion S2 Seat back SF1 1st support surface SF2 2nd support surface

Claims (14)

It includes a first seat portion that constitutes one of the seat cushion and the seat back, and a second seat portion that constitutes the other of the seat cushion and the seat back. A vehicle seat that can be switched to a stored state that is placed on top of the first seat portion.
It has a first end portion attached to the second seat portion and a second end portion that abuts on a first support surface provided on the floor of the vehicle body in the retracted state, and the first end portion in the retracted state. A vehicle seat characterized by having a second support leg having two ends abutting on the first support surface to support the second seat portion. The vehicle seat according to claim 1, wherein the first end portion is fixed to the second seat portion. The vehicle seat according to claim 1 or 2, wherein the second support leg is arranged under the first seat portion when in the seated state. The vehicle according to claim 3, wherein the second support leg extends forward so that the second end portion is located in front of the first end portion when seated. Sheet for. The vehicle seat according to claim 4, wherein the second support leg is arranged above the first end portion when the second end portion is in the seated state. It is provided with a link in which one end is rotatably connected to the first seat portion around the first axis and the other end is rotatably connected to the vehicle body around the second axis parallel to the first axis. ,
The vehicle seat according to any one of claims 1 to 5, wherein the second support leg is arranged behind the link when in the seated state. The first seat portion is rotatably connected to the second seat portion about a third axis behind the first axis and parallel to the first axis.
The second seat portion is rotatably connected to the vehicle body behind the second axis and about a fourth axis parallel to the first axis.
The vehicle seat according to claim 6, wherein the second support leg is arranged between the first axis and the fourth axis in the front-rear direction in the retracted state. The vehicle seat according to claim 7, wherein the second support leg is arranged below the third axis when in the seated state. Two of the links are provided side by side,
The vehicle seat according to any one of claims 6 to 8, wherein the second support leg is arranged between the left and right links in the left-right direction. The second support leg has a leg body including the first end portion.
The vehicle seat according to any one of claims 1 to 9, wherein the second end portion is made of a material softer than the leg body. The first seat portion includes left and right side frames arranged apart from each other in the left-right direction, a front frame connecting the front portions of the left and right side frames, and a rear connecting the rear portions of the left and right side frames. It has a frame and a reinforcing frame spanning the front frame and the rear frame.
One of claims 1 to 10, wherein the second support leg is arranged on the side opposite to the seated side of the reinforcing frame when viewed from the left-right direction in the seated state. The vehicle seat described in the section. The vehicle seat according to claim 11, wherein the second support leg is arranged so as to overlap with the reinforcing frame when viewed from above in the seated state. The first seat portion has a contact surface that abuts on the second support surface provided on the floor of the vehicle body in the retracted state, and the contact surface hits the second support surface in the retracted state. It has a first support leg that touches and supports the first seat portion, and has a first support leg.
The vehicle seat according to any one of claims 1 to 12, wherein the second end portion is arranged so that the position in the left-right direction overlaps with the contact surface. The vehicle seat according to any one of claims 1 to 13, wherein a plurality of the second support legs are provided side by side.

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