JP2022182977A - vehicle seat - Google Patents

Abstract

To provide a vehicle seat having a plurality of configurations allowing seating.SOLUTION: A vehicle seat 1 includes: a support leg 6 connected to a floor 4 so as to be rotatable about a first axis A1 extending in a horizontal direction; a seat cushion 2 connected to the support leg so as to be rotatable about a second axis A2 parallel to the first axis; a first coupling device 35 which is provided on the support leg, and which is detachably coupled to a first coupling part 34 provided on the floor; and a second coupling device 38 which is provided on the seat cushion, and which is detachably coupled to a second coupling part 37 provided on the floor. The seat cushion is movable between a storage position at the lowest position, a first use position at which the first coupling device is coupled to the first coupling part, and a second use position at which the second coupling device is coupled to the second coupling part.SELECTED DRAWING: Figure 10

Description

The present invention relates to vehicle seats.

Patent Document 1 discloses a vehicle seat that moves rearwardly and downwardly with respect to a floor and is stored in a storage recess formed in the floor. A vehicle seat has a support leg rotatably connected to a floor, a seat cushion rotatably supported by the support leg, and a coupling device detachably coupled to a striker provided on the floor. Rotation of the support legs moves the vehicle seat between the use position and the stowed position. A coupling device couples to the striker to maintain the vehicle seat in the position of use.

JP 2016-60386 A

An occupant can sit on the vehicle seat only when the vehicle seat according to Patent Document 1 is in the use position. If the vehicle seat has a plurality of seating configurations, the commercial value of the vehicle seat is enhanced.

In view of the background described above, an object of the present invention is to provide a vehicle seat having a plurality of seating configurations.

In order to solve the above problems, the present invention provides a vehicle seat (1) comprising a support leg (6) rotatably connected to a vehicle body about a first axis (A1) extending in a horizontal direction, A seat cushion (2) rotatably connected to the support leg about a second axis (A2) parallel to the first axis; and a first coupling portion provided on the support leg and provided on the vehicle body. A first coupling device (35) detachably coupled to (34), and a second coupling device (38) provided on the seat cushion and detachably coupled to a second coupling portion (37) provided on the vehicle body. ), wherein the seat cushion has a storage position at the lowest position, a first use position in which the first coupling device is coupled to the first coupling portion, and a second coupling device to the second coupling portion. It is movable between a second use position coupled to the part.

According to this aspect, it is possible to provide a vehicle seat having a plurality of seating configurations. Since the seat cushion is arranged in the first use position and the second use position in addition to the storage position, the seat arrangement that can be selected by the user increases.

In the above aspect, the seat cushion in the second use position is arranged above the seat cushion in the retracted position, and the seat cushion in the first use position is arranged in the second use position. It may be arranged above a certain seat cushion.

According to this aspect, when the seat cushion moves from the first use position to the second use position, the height and front-rear position of the seat cushion change.

In the above aspect, the vehicle body has a floor (4), and the floor comprises a front floor portion (4A), an intermediate floor portion (4B) extending downward from the rear end of the front floor portion, and an intermediate floor portion (4B) extending downward from the rear end of the front floor portion. and a floor rear portion (4C) extending rearward from the lower end of the floor and disposed below the floor front portion, and the lower ends of the support legs are rotatable around the first axis extending laterally to the floor rear portion. the first connecting portion is provided in the middle portion of the floor, the majority of the seat cushion is disposed above the rear portion of the floor in the stowed position, and the front portion of the floor in the first use position. It may be arranged above.

According to this aspect, in the storage position, the seat cushion can be arranged on the rear portion of the floor recessed downward with respect to the front portion of the floor.

In the above aspect, the second coupling portion may be provided at the rear end portion of the front floor portion or the upper end portion of the intermediate floor portion.

According to this aspect, the distance between the seat cushion and the second connecting portion is shortened, so the stability of the seat cushion is improved.

In the above aspect, the seat cushion has a base member (10) connected to the support leg and an upper member (12) supported by the base member, and the second coupling device is attached to the base member. It may be movable in the front-rear direction.

According to this aspect, the seating position can be moved back and forth between the first use position and the second use position.

In the above aspect, the upper member may be supported by the base member via a slide device (11) so as to be movable in the front-rear direction, and the second coupling device may be provided on the upper member.

According to this aspect, the second connecting portion can be moved back and forth together with the seat cushion.

In the above aspect, when the second coupling device is in the predetermined coupling position with respect to the base member and the seat cushion is in the second use position, the second coupling device is connected to the second coupling portion. and the second coupling device may not be coupled to the second coupling portion when the second coupling device is not in the coupling position and the seat cushion is in the second use position.

According to this aspect, it is possible to select whether or not to fix the seat cushion to the second use position by moving the seat cushion back and forth.

In the above aspect, when the seat cushion is in the retracted position, the upper surface of the seat cushion is positioned below the upper surface of the front floor portion, and when the seat cushion is in the second use position, The upper surface of the seat cushion may be positioned above the upper surface of the front floor portion.

According to this aspect, in the retracted position, the seat cushion can be arranged below the front portion of the floor.

The present invention is a vehicle seat (1) comprising a support leg (6) rotatably connected to a vehicle body about a first axis (A1) extending in a horizontal direction, and a first support leg (6) parallel to the first axis. A seat cushion (2) rotatably connected to the support leg about two axes (A2); and a second coupling device (38) provided on the seat cushion and detachably coupled to a second coupling portion (37) provided on the vehicle body, wherein the seat The cushion has a storage position at its lowest position, a first position of use in which said first coupling device is coupled to said first coupling portion, and a second position of use in which said second coupling device is coupled to said second coupling portion. It is possible to move between

According to this aspect, it is possible to provide a vehicle seat having a plurality of seating configurations. Since the seat cushion is arranged in the first use position and the second use position in addition to the storage position, the seat arrangement that can be selected by the user increases.

In the above aspect, the seat cushion in the second use position is arranged above the seat cushion in the retracted position, and the seat cushion in the first use position is arranged in the second use position. It may be arranged above a certain seat cushion.

According to this aspect, when the seat cushion moves from the first use position to the second use position, the height and front-rear position of the seat cushion change.

In the above aspect, the vehicle body has a floor (4), and the floor comprises a front floor portion (4A), an intermediate floor portion (4B) extending downward from the rear end of the front floor portion, and an intermediate floor portion (4B) extending downward from the rear end of the front floor portion. and a floor rear portion (4C) extending rearward from the lower end of the floor and disposed below the floor front portion, and the lower ends of the support legs are rotatable around the first axis extending laterally to the floor rear portion. the first connecting portion is provided in the middle portion of the floor, the majority of the seat cushion is disposed above the rear portion of the floor in the stowed position, and the front portion of the floor in the first use position. It may be arranged above.

According to this aspect, in the storage position, the seat cushion can be arranged on the rear portion of the floor recessed downward with respect to the front portion of the floor.

In the above aspect, the second coupling portion may be provided at the rear end portion of the front floor portion or the upper end portion of the intermediate floor portion.

According to this aspect, the distance between the seat cushion and the second connecting portion is shortened, so the stability of the seat cushion is improved.

In the above aspect, the seat cushion has a base member (10) connected to the support leg and an upper member (12) supported by the base member, and the second coupling device is attached to the base member. It may be movable in the front-rear direction.

According to this aspect, the seating position can be moved back and forth between the first use position and the second use position.

In the above aspect, the upper member may be supported by the base member via a slide device (11) so as to be movable in the front-rear direction, and the second coupling device may be provided on the upper member.

According to this aspect, the second connecting portion can be moved back and forth together with the seat cushion.

In the above aspect, when the second coupling device is in the predetermined coupling position with respect to the base member and the seat cushion is in the second use position, the second coupling device is connected to the second coupling portion. and the second coupling device may not be coupled to the second coupling portion when the second coupling device is not in the coupling position and the seat cushion is in the second use position.

According to this aspect, it is possible to select whether or not to fix the seat cushion to the second use position by moving the seat cushion back and forth.

In the above aspect, when the seat cushion is in the retracted position, the upper surface of the seat cushion is positioned below the upper surface of the front floor portion, and when the seat cushion is in the second use position, The upper surface of the seat cushion may be positioned above the upper surface of the front floor portion.

According to this aspect, in the retracted position, the seat cushion can be arranged below the front portion of the floor.

Explanatory drawing showing the first usage pattern of the sheet according to the embodiment. Disassembled perspective view of seat frame A perspective view of a first coupling portion and a second coupling portion Explanatory drawing of coupling device Explanatory drawing showing the folding form of the seat Explanatory diagram showing the movement process of the sheet Explanatory drawing showing the storage form of the seat Explanatory drawing showing the first type of use of the seat with the second binding device in the binding position Explanatory diagram showing the movement process of the sheet Explanatory drawing showing the second usage pattern of the seat

An embodiment in which a vehicle seat according to the present invention is applied to an automobile seat will be described below with reference to the drawings. The seat according to the embodiment is suitable for the third row seat of a minivan vehicle.

As shown in FIG. 1, the seat 1 has a seat cushion 2, a seat back 3, and a first support leg 6 and a second support leg 7 that connect the seat cushion 2 to a floor 4 that constitutes the body of an automobile. . The floor 4 includes a front floor portion 4A, an intermediate floor portion 4B extending downward from the rear end of the front floor portion 4A, and a rear floor portion extending rearward from the lower end of the intermediate floor portion 4B and disposed below the front floor portion 4A. 4C. The floor front portion 4A and the floor rear portion 4C are arranged parallel to each other and extend horizontally. The intermediate floor portion 4B and the rear floor portion 4C may form part of a concave portion recessed downward with respect to the front floor portion 4A.

As shown in FIGS. 1 and 2, the seat cushion 2 has a base member 10 and an upper member 12 supported by the base member 10 via a slide device 11 so as to be movable in the longitudinal direction. The base member 10 includes left and right side members 14 extending in the front-rear direction, front members 15 extending in the left-right direction and connected to the front ends of the left and right side members 14, and extending in the left-right direction at the rear ends of the left and right side members 14. It has a connected rear member 16 .

The slide device 11 has left and right lower rails 11A and left and right upper rails 11B slidably supported by the respective lower rails 11A. The left and right lower rails 11A extend in the front-rear direction and are arranged inside the left and right side members 14 . Each lower rail 11A is spaced apart in the left-right direction from the corresponding side members 14 on the left and right. A front portion of each lower rail 11A is coupled to a front member 15 . Intermediate and rear portions of each lower rail 11A are joined to corresponding side members 14 on the left and right via stays 18 extending left and right. The left and right upper rails 11B slide back and forth with respect to the corresponding lower rails 11A. A slide lock device 11C is provided between the lower rail 11A and the upper rail 11B to restrict movement of the upper rail 11B with respect to the lower rail 11A. The slide lock device 11C includes an operation lever projecting forward from the left and right lower rails 11A.

The upper member 12 is formed in a plate shape whose surface faces up and down. In another embodiment, the upper member 12 may be formed in a substantially rectangular frame shape. The upper member 12 is coupled to the left and right upper rails 11B. The left and right upper rails 11B are joined to the lower surface of the upper member 12 . A seat cushion pad 21 is placed on the upper surface of the upper member 12 . Edges of the seat cushion pad 21 and the upper member 12 are covered with a skin material 22 . Left and right seatback support portions 23 are provided at both left and right ends of the rear end portion of the upper member 12 . Each seat back support portion 23 extends upward from the upper member 12 .

A seatback frame 25 forming a framework of the seatback 3 is rotatably supported by the left and right seatback support portions 23 via a reclining device 26 . The seat back 3 rotates with respect to the seat cushion 2 around a rotation axis extending in the left-right direction. The reclining device 26 restricts the rotation of the seatback 3 with respect to the seat cushion 2 in the initial state, and allows the rotation of the seatback 3 with respect to the seat cushion 2 in the operating state. A seat back pad 28 is supported by the seat back frame 25 . The seatback pad 28 and the seatback frame 25 are covered with a skin material 29 .

The first support leg 6 is connected to the floor 4 so as to be rotatable around a horizontally extending first axis A1. The first axis A1 may extend in the left-right direction. In the present embodiment, the first support leg 6 has left and right pillars 6A, and connecting parts 6B that extend left and right and connect the left and right pillars 6A. The lower ends of the left and right pillars 6A are connected to left and right first hinge brackets 31 provided under the floor 4 so as to be rotatable about the first axis A1. The seat cushion 2 is connected to the first support leg 6 so as to be rotatable about a second axis A2 parallel to the first axis A1. Left and right second hinge brackets 32 are provided on the rear member 16 . The upper ends of the left and right pillars 6A are connected to the left and right corresponding second hinge brackets 32 so as to be rotatable about the second axis A2.

As shown in FIGS. 1 and 3 , the first support leg 6 is provided with a first coupling device 35 detachably coupled to a first coupling portion 34 provided on the floor 4 . The seat cushion 2 is provided with a second coupling device 38 that is detachably coupled to a second coupling portion 37 provided on the floor 4 . Each of the first coupling portion 34 and the second coupling portion 37 is a striker. Thereby, the structure of the first coupling portion 34 and the second coupling portion 37 can be simplified. The first coupling portion 34 is provided in the intermediate floor portion 4B. The second coupling portion 37 is provided at the rear end portion of the front floor portion 4A or the upper end portion of the intermediate floor portion 4B. Similarly, the second coupling portion 37 may be provided at the rear end portion of the front floor portion 4A or the upper end portion of the intermediate floor portion 4B. The first coupling portion 34 and the second coupling portion 37 may be provided at the boundary between the floor front portion 4A and the floor intermediate portion 4B.

In this embodiment, the first coupling portion 34 and the second coupling portion 37 are provided adjacent to each other. Specifically, the first coupling portion 34 and the second coupling portion 37 are arranged side by side in the left-right direction and coupled to each other. The first joint portion 34 is arranged closer to the center of the seat 1 in the left-right direction than the second joint portion 37 is.

A first reinforcing plate 41 is coupled to the boundary between the floor front portion 4A and the floor intermediate portion 4B. The first reinforcing plate 41 is preferably connected to the floor front portion 4A and the floor intermediate portion 4B by fastening members such as bolts or by welding. The first reinforcing plate 41 includes a horizontal plate portion 41A connected to the rear end portion of the front floor portion 4A, and a vertical plate portion 41B connected to the horizontal plate portion 41A and connected to the upper end portion of the intermediate floor portion 4B. have The edges of the first reinforcing plate 41 are preferably bent and raised. A reinforcing member 42 extending rearward is coupled to the lateral plate portion 41A. The reinforcing member 42 is preferably welded to the horizontal plate portion 41A. The reinforcing member 42 is formed by bending a metal rod. The reinforcing member 42 has a first portion 42A extending left and right, and second left and right portions 42B extending forward from both left and right ends of the intermediate portion. The left and right second portions 42B of the reinforcing member 42 are coupled to the horizontal plate portion 41A, and the intermediate portion of the reinforcing member 42 is arranged behind the horizontal plate portion 41A.

The first coupling portion 34 is formed by bending a metal rod. The first coupling portion 34 includes a first portion 34A extending left and right, second left and right portions 34B extending forward from both left and right ends of the first portion 34A, and second left and right portions extending downward from the front ends of the second left and right portions 34B. 3 parts 34C. Left and right third portions 34</b>C of the first joint portion 34 are joined to the vertical plate portion 41</b>B of the first reinforcing plate 41 . Further, the left and right second portions 34B of the first coupling portion 34 are coupled to the left and right second portions 42B of the reinforcing member 42 . The first coupling portion 34 is preferably welded to the first reinforcing plate 41 and the reinforcing member 42 .

The second coupling portion 37 is formed by bending a metal rod. The second coupling portion 37 includes a first portion 37A extending left and right, second left and right portions 37B extending forward and downward from both left and right ends of the first portion 37A, and front ends of one of the second left and right portions 37B. and a fourth portion 37D extending downward from the other front ends of the left and right second portions 37B. A third portion 37C of the second coupling portion 37 is coupled to a second portion 42B of the reinforcing member 42 . Further, the third portion 37C of the second coupling portion 37 may be coupled to the second portion 34B of the first coupling portion 34. As shown in FIG. A fourth portion 37D of the second joint portion 37 is joined to the intermediate floor portion 4B. The second coupling portion 37 is preferably welded to the first coupling portion 34 and the reinforcing member 42 .

The first connecting portion 34 is connected to the vertical plate portion 41B and the reinforcing member 42 and protrudes rearward from the reinforcing member 42 . Also, the first coupling portion 34 extends rearward from the boundary portion between the floor front portion 4A and the floor intermediate portion 4B. The second connecting portion 37 is connected to the intermediate floor portion 4B and the reinforcing member 42 and extends rearward and upward. In addition, the second coupling portion 37 extends rearward and upward from the boundary portion between the floor front portion 4A and the floor intermediate portion 4B.

A second reinforcing plate 44 is further provided in the intermediate floor portion 4B. The second reinforcing plate 44 extends in the left-right direction and is attached to the vertical plate portion 41B of the first reinforcing plate 41, the third portion 34C of the first joint portion 34, the intermediate floor portion 4B, and the fourth portion 37D of the second joint portion 37. Combined. The second reinforcing plate 44 and the vertical plate portion 41B preferably sandwich the third portion 34C of the first coupling portion 34 from the front and rear. Also, the second reinforcing plate 44 and the intermediate floor portion 4B preferably sandwich the fourth portion 37D of the second joint portion 37 from the front and rear. The second reinforcing plate 44 is preferably fastened to the vertical plate portion 41B of the first reinforcing plate 41 and the intermediate floor portion 4B by fastening members such as bolts.

A third reinforcing plate 45 is coupled to the second coupling portion 37 . The third reinforcing plate 45 is orthogonal to the second reinforcing plate 44 and is coupled to the second reinforcing plate 44 . The third reinforcing plate 45 and the second reinforcing plate 44 are preferably welded together. The third reinforcing plate 45 is coupled to the second portion 37B and the fourth portion 37D of the second coupling portion 37. As shown in FIG. The third reinforcing plate 45 is preferably welded to the second portion 37B and the fourth portion 37D of the second coupling portion 37 .

A second support leg 7 is provided on the front portion of the seat cushion 2 . The front member 15 is provided with a third hinge bracket (not shown). The upper end of the second support leg 7 is supported by a third hinge bracket so as to be rotatable about a third axis A3 parallel to the first axis A1. The second support leg 7 is arranged in the center of the seat 1 in the left-right direction. As viewed from the front, the second support leg 7 is arranged between the left and right column portions 6A of the first support leg 6. As shown in FIG.

A third coupling portion 52 is provided on the floor front portion 4A, and a third coupling device 53 that is detachably coupled to the third coupling portion 52 is provided on the lower end of the second support leg 7 . The third joint 52 is a striker. The third coupling portion 52 is formed by bending a metal rod. The third coupling portion 52 has front and rear vertical portions 52A extending upward from the floor front portion 4A, and horizontal portions 52B extending front and rear and connected to upper ends of the front and rear vertical portions 52A.

The second support leg 7 is connected to the first support leg 6 via a transmission device. When the first support leg 6 rotates with respect to the seat cushion 2, the second support leg 7 rotates with respect to the seat cushion 2 by a transmission device (not shown). Specifically, when the first support leg 6 rotates forward with respect to the seat cushion 2 about the second axis A2, the transmission device causes the second support leg 7 to move toward the seat cushion 2 about the third axis A3. It rotates backwards. The transmission device may be a link connecting the first support leg 6 and the second support leg 7 . The rear end of the link is connected to a portion of the first support leg 6 below the second axis A2 so as to be rotatable about a rotation axis extending laterally. The front end of the link is connected to a portion of the second support leg 7 above the third axis A3 so as to be rotatable about a rotation axis extending laterally.

As shown in FIG. 4, the first coupling device 35, the second coupling device 38, and the third coupling device 53 are pivotable within a case 57B having a slot 57A formed therein for receiving a striker. and a latch 57C provided. The latch 57C rotates between a coupling position projected into the slot 57A and a release position retracted from the slot 57A. Latch 57C is biased to the coupled position by biasing member 57D. The latch 57C moves from the coupled position to the released position against the biasing force when being operated by the user. When the latch 57C is in the engaged position, the latch 57C engages the striker and prevents the striker from disengaging from the slot 57A. An inclined surface is formed on the outer surface of the latch 57C. The latch 57C moves from the coupled position to the released position by being pushed on the inclined surface. This allows the striker to push aside the latch 57C and enter the slot 57A from the outside when the latch 57C is in the coupled position.

As shown in FIG. 2, the first coupling device 35 is coupled to one front portion of the vertically extending column portion 6A. The slot 57A of the first coupling device 35 opens forward and penetrates the case 57B of the first coupling device 35 in the left-right direction.

The second coupling device 38 is movable in the front-rear direction with respect to the base member 10 . In this embodiment, the second coupling device 38 is provided on the upper member 12 of the seat cushion 2 . A support wall 61 extending downward is provided on the lower surface of the upper member 12 . The support wall 61 extends downward through the space between the side member 14 and the lower rail 11A that correspond to each other on the left and right sides. A second coupling device 38 is coupled to the support wall 61 . The slot 57A of the second coupling device 38 opens downward and penetrates the case 57B of the second coupling device 38 in the left-right direction. The slot 57A of the second coupling device 38 is arranged below the lower rail 11A and the side member 14. As shown in FIG.

The third coupling device 53 is coupled to the lower end of the vertically extending second support leg 7 . The slot 57A of the third coupling device 53 opens downward and penetrates the case 57B of the second coupling device 38 in the front-rear direction.

Each of the reclining device 26 , the first coupling device 35 , the second coupling device 38 and the third coupling device 53 are connected to the control lever 65 via the control cable 64 . The control lever 65 is rotatable between an initial position and an operating position. The control lever 65 is preferably provided on the seat back frame 25 . The control lever 65 is biased toward the initial position. A strap 66 is connected to the control lever 65 . The ends of the straps 66 extend outward from the upper end of the seat back 3 . By pulling the strap 66, the user can rotate the control lever 65 from the initial position to the operating position.

When the control lever 65 is in the initial position, each of the reclining device 26, the first coupling device 35, the second coupling device 38, and the third coupling device 53 are locked. While the user is pulling the strap 66, the control lever 65 is in the operating position. At this time, the operating portions of the reclining device 26, the first coupling device 35, the second coupling device 38, and the third coupling device 53 are pulled by the control cable 64, and the reclining device 26, the first coupling device 35, and the second coupling device 53 are pulled. Each of the coupling device 38 and the third coupling device 53 is in the released state.

As shown in FIG. 1, in the first usage configuration of the seat 1, the first support leg 6 and the second support leg 7 extend vertically, the first coupling device 35 is coupled to the first coupling portion 34, and the third A coupling device 53 is coupled to the third coupling portion 52 . The first coupling device 35 is coupled to the first coupling portion 34 and the third coupling device 53 is coupled to the third coupling portion 52 such that the first support leg 6, the second support leg 7 and the base relative to the floor 4 are connected. The position of member 10 is fixed. At this time, the seat cushion 2 is in the first use position.

In the first mode of use of the seat 1, the user can move the upper member 12 back and forth with respect to the base member 10 by operating the slide lock device 11C. As the upper member 12 moves back and forth with respect to the base member 10, the second coupling device 38 provided on the upper member 12 also moves back and forth. This allows the second coupling device 38 to be positioned at a predetermined coupling position with respect to the base member 10 . The coupling position is preferably set to the frontmost side in the range of movement of the second coupling device 38 in the front-rear direction. Most of the seat cushion 2 is arranged above the floor front portion 4A in the first use position.

In addition, in the first mode of use of the seat 1 , the user can rotate the seat back 3 forward and backward with respect to the base member 10 by directly operating the reclining device 26 . In addition, when the user directly operates the reclining device 26, the first coupling device 35, the second coupling device 38, and the third coupling device 53 are maintained in a locked state.

In the first mode of use of the seat 1, the user directly operates the reclining device 26 to release the reclining device 26 and rotate the seat back 3 forward so that the seat 1 is positioned as shown in FIG. is in a folded form. In FIG. 5, the second coupling device 38 is arranged rearwardly with respect to the coupling position.

In the folded configuration of the seat 1, when the user pulls the strap 66, the reclining device 26, the first coupling device 35, the second coupling device 38 and the third coupling device 53 are released. As a result, the first coupling device 35 can be detached from the first coupling portion 34 and the third coupling device 53 can be detached from the third coupling portion 52 . As a result, as shown in FIG. 6, the seat cushion 2 and seat back 3 can move rearward and downward. At this time, the first support leg 6 rotates around the first axis A1, and the base member 10 rotates relative to the first support leg 6 around the second axis A2. As a result, the second support leg 7 is driven by the transmission device, and the lower portion of the second support leg 7 rotates rearward about the third axis A3.

As shown in FIG. 6, when the second coupling device 38 is not in the coupled position, the second coupling device 38 moves rearwardly and downwardly through a position spaced rearwardly from the second coupling portion 37 . As a result, the second coupling device 38 and the second coupling portion 37 do not interfere with each other, and the seat cushion 2 can be moved rearward and downward. Rearward and downward movement of the seat cushion 2 places the seat 1 in the stowed configuration as shown in FIG. At this time, the seat cushion 2 is in the retracted position. In the stored state of the seat 1, the first support leg 6 and the second support leg 7 extend in the front-rear direction. In the storage mode of the seat 1 , the first support leg 6 is placed on the upper surface of the floor rear portion 4</b>C, and the base member 10 is preferably placed on the upper surface of the first support leg 6 . Most of the seat cushion 2 is preferably arranged above the floor rear portion 4C in the stowed position. In this embodiment, when the seat cushion 2 is in the retracted position, the entire seat cushion 2 is positioned on the floor rear portion 4C as viewed from above. When the seat cushion 2 is in the retracted position, the upper surface of the seat cushion 2 is located below the upper surface of the floor front portion 4A. When the seat cushion 2 is in the retracted position, the rear surface of the seat back 3 folded with respect to the seat cushion 2 is positioned at the same height as the floor front portion 4A.

As shown in FIG. 8, in the first mode of use, the user can place the second coupling device 38 in the coupling position by sliding the upper member 12 relative to the base member 10 . In this state, when the user operates the strap 66 and moves the seat cushion 2 and seat back 3 rearward and downward, the second coupling device 38 is directed toward the second coupling portion 37 as shown in FIG. to move. By connecting the second connecting device 38 to the second connecting portion 37 as shown in FIG. 10, the positions of the first supporting leg 6 and the base member 10 are fixed, and the seat 1 is put into the second mode of use. The position of the seat cushion 2 in the second usage pattern of the seat 1 is defined as a second usage position. When the seat cushion 2 is in the second use position, the upper surface of the seat cushion 2 is located above the upper surface of the floor front portion 4A. The base frame is arranged at the same height as the front floor portion 4A when the seat cushion 2 is in the second use position. Accordingly, the user seated on the seat 1 can extend the lower legs forward along the floor front portion 4A.

The seat cushion 2 is in the lowest storage position, the first use position where the first coupling device 35 is coupled to the first coupling portion 34, and the second coupling device 38 where the second coupling device 38 is coupled to the second coupling portion 37. It is movable between use positions. The seat cushion 2 at the second use position is arranged above the seat cushion 2 at the retracted position, and the seat cushion 2 at the first use position is arranged above the seat cushion 2 at the second use position. It is

The seat 1 according to the embodiment has a plurality of seating configurations. Since the seat cushion 2 is arranged in the first use position and the second use position in addition to the storage position, the number of seat 1 arrangements that can be selected by the user increases. As the seat cushion 2 moves from the first position of use to the second position of use, the height and front-rear position of the seat cushion 2 change. When the seat cushion 2 is in the second use position, the line of sight of the user is lower and the space in front of and above the user is wider than when the seat cushion 2 is in the first use position. This allows the user to feel that the passenger compartment is spacious. Also, since the user is lower than the side window of the vehicle, privacy is improved.

The longitudinal position of the upper member 12 with respect to the base member 10 when the seat 1 is in the second mode of use is forward of the longitudinal position of the upper member 12 with respect to the base member 10 when the seat 1 is in the first mode of use. As a result, when a tailgate exists behind the seat 1, interference between the tailgate and the seat back 3 can be avoided. Further, since the seat back 3 is separated from the tailgate, the reclining angle of the seat back 3 can be increased.

When the seat 1 is in the stowed mode, the seat 1 is arranged on the floor rear part 4C recessed downward with respect to the floor front part 4A, so that the passenger compartment can be widened.

Since the second coupling portion 37 is provided at the rear end portion of the front floor portion 4A or the upper end portion of the intermediate floor portion 4B, the distance between the seat cushion 2 and the second coupling portion 37 in the second usage pattern of the seat 1 is gets closer. Thereby, the stability of the seat cushion 2 is improved. Since the first reinforcing plate 41 and the second reinforcing plate 44 are provided at the connecting portion between the first connecting portion 34 and the second connecting portion 37 and the floor 4, the first connecting portion 34 and the second connecting portion 37 stiffness increases. In addition, since the first reinforcing plate 41 and the second reinforcing plate 44 are connected to each other, the rigidity of the first connecting portion 34 and the second connecting portion 37 is further increased. Also, the rigidity of the second connecting portion 37 is increased by the third reinforcing plate 45 .

Since the first connecting portion 34 and the second connecting portion 37 are arranged side by side in the left-right direction and connected to each other, interference between the first connecting device 35 and the second connecting portion 37 can be avoided. Also, interference between the second coupling device 38 and the first coupling portion 34 can be avoided.

Although the specific embodiments have been described above, the present invention is not limited to the above embodiments and can be widely modified. For example, the second coupling device 38 may be provided on the base member 10 so as to be movable in the front-rear direction via another slide device 91 . The slide device 91 may be coupled to the side member 14, for example. According to this configuration, the upper member 12 can be slid forward and backward with respect to the base member 10 at the second use position.

The first support leg 6 , the second support leg 7 , the first coupling portion 34 , and the second coupling portion 37 may be provided on a side wall portion that constitutes the vehicle body instead of on the floor 4 . The first support leg 6, the second support leg 7, the first coupling portion 34, and the second coupling portion 37 may be provided on the floor 4 or another structure provided on the side wall portion that constitutes the vehicle body.

1 : Seat 2 : Seat cushion 3 : Seat back 4 : Floor 4A : Floor front 4B : Floor intermediate 4C : Floor rear 6 : First support leg 10 : Base member 11 : Slide device 34 : First joint 35 : First coupling device 37 : Second coupling portion 38 : Second coupling device 41 : First reinforcing plate 41A : Horizontal plate portion 41B : Vertical plate portion 42 : Reinforcement member 42A : First portion 42B : Second portion 44 : Second Reinforcing plate 45 : Third reinforcing plate 52 : Third connecting part 53 : Third connecting device 61 : Supporting wall A1 : First axis A2 : Second axis A3 : Third axis

Claims (8)

A vehicle seat,
a support leg rotatably connected to the vehicle body about a first axis extending in the horizontal direction;
a seat cushion rotatably connected to the support leg about a second axis parallel to the first axis;
a first coupling device provided on the support leg and detachably coupled to a first coupling portion provided on the vehicle body;
a second coupling device provided on the seat cushion and detachably coupled to a second coupling portion provided on the vehicle body;
The seat cushion has a storage position at the lowest position, a first use position where the first coupling device is coupled to the first coupling portion, and a second coupling device where the second coupling device is coupled to the second coupling portion. A vehicle seat that is movable between positions of use. The seat cushion in the second use position is arranged above the seat cushion in the storage position,
2. The vehicle seat according to claim 1, wherein the seat cushion in the first position of use is positioned higher than the seat cushion in the second position of use. The vehicle body has a floor,
The floor includes a front floor portion, an intermediate floor portion extending downward from a rear end of the front floor portion, and a rear floor portion extending rearward from a lower end of the intermediate floor portion and disposed below the front floor portion. have
the lower end of the support leg is connected to the rear portion of the floor so as to be rotatable about the first axis extending laterally;
The first coupling portion is provided in the middle portion of the floor,
3. The vehicle seat of claim 2, wherein a majority of said seat cushion is positioned above said rear floor portion in said stowed position and positioned above said front floor portion in said first use position. 4. The vehicle seat according to claim 3, wherein the second connecting portion is provided at a rear end portion of the front floor portion or an upper end portion of the intermediate floor portion. The seat cushion has a base member connected to the support legs and an upper member supported by the base member,
5. The vehicle seat of claim 4, wherein said second coupling device is longitudinally movable with respect to said base member. the upper member is movably supported in the front-rear direction by the base member via a slide device;
6. The vehicle seat of claim 5, wherein said second coupling device is provided on said upper member. When the second coupling device is in a predetermined coupling position with respect to the base member and the seat cushion is in the second use position, the second coupling device is coupled to the second coupling portion;
7. A vehicle according to claim 5 or 6, wherein the second coupling device does not couple to the second coupling portion when the second coupling device is not in the coupling position and the seat cushion is in the second position of use. sheet for. when the seat cushion is in the retracted position, the upper surface of the seat cushion is positioned below the upper surface of the front floor portion;
The vehicle seat according to any one of claims 3 to 7, wherein the upper surface of the seat cushion is located above the upper surface of the front floor portion when the seat cushion is in the second use position.

Images