JP2013220672A - Vehicular seat device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable the formation of a flat and broad luggage compartment.SOLUTION: In a storage position S1, a vehicular seat 21 is stored on a second floor surface 42 in the state that a seatback 25 is folded on a seat cushion 24. A board 26 is provided on the seatback 25. The board 26 is rotatably mounted at one end 26a on a back upper part 25b of the seatback 25. In a seating position T1, the board 26 is directed at the other end 26b below the seatback 25, and in the storage position S1, the board 26 is rotated frontward of a vehicle body and bridged over a first floor surface 41. A supporting member 27 is provided on the seatback 25 for supporting the board 26 on the back upper part 25b of the seatback 25. The supporting member 27 has a first supporting shaft 86 for rotatably supporting the board 26, and a second supporting shaft 87 where the supporting member 27 is rotatable relative to the seatback 25.

Description

  The present invention relates to a vehicle seat device that is movable between a seating position where an occupant is seated and a storage position where a vehicle seat is stored.

  A vehicle seat device includes a vehicle floor having first and second floor surfaces having different heights, a vehicle seat including a seat cushion and a seat back, a seating position where a passenger of the vehicle seat is seated, and a vehicle The vehicle floor is formed such that the second floor surface is lower than the first floor surface.

  According to this vehicle seat device, the second floor surface can be used as a luggage space at the seating position of the vehicle seat, and the back surface of the seat back and the first floor surface are stored at the vehicle seat storage position. Can be made flat (see, for example, Patent Document 1).

JP 2005-502519 A

Here, the vehicle seat device of Patent Document 1 is configured such that the back surface of the seat back and the first floor surface are flat at the storage position of the vehicle seat.
In order to make the back surface of the seat back and the first floor surface flat, the first floor surface is adjusted to the height of the back surface of the seat back. Alternatively, it is necessary to match the back surface of the seat back to the height of the first floor surface, and the degree of freedom in design is limited.

  The present invention is a vehicle capable of forming a flat and vast luggage compartment and folding the seat back to the seat cushion to improve the degree of freedom of setting the height of the cargo compartment surface when the cargo compartment is configured. It is an object of the present invention to provide a sheet apparatus for use.

  The invention according to claim 1 is a vehicle floor having a first floor surface and a vehicle floor having a second floor surface formed lower and lower than the first floor surface, a vehicle seat including a seat cushion and a seat back. And a vehicle seat device comprising: a moving means capable of moving the vehicle seat between a seating position above the first floor surface and a storage position above the second floor surface; In the stowed position, the seat back is folded over the seat cushion and stored on the second floor surface. The seat back is equipped with a board, and the board is attached to the upper part of the back of the seat back in a rotatable manner. At the position, the other end of the board is directed to the lower side of the seat back, and at the storage position, the board is rotated forward of the vehicle body and passed over the first floor surface. A support member that supports the board is provided on the back upper surface of the back, and the support member includes a first support shaft that rotatably supports the board, and a second support shaft that can rotate the support member with respect to the seat back. It is characterized by that.

  In the invention according to claim 2, the vehicle seat is installed from the first floor surface to the second floor surface at the seating position, and the rear end lower portion of the seat cushion is the second seat at the seating position. It is characterized by being set to the same height as the floor surface.

  The invention according to claim 3 is characterized in that a load receiving member that supports the other end of the board rotated forward of the vehicle body at the storage position is provided on the first floor surface.

  In the invention according to claim 4, the load receiving member is provided immediately before the seat cushion in the sitting position, and the height of the load receiving member is set lower than the seat surface height of the front end of the seat cushion. Features.

  The invention according to claim 5 is characterized in that the board is provided with a thick portion at the other end in contact with the load receiving member.

  The invention according to claim 6 is characterized in that the vehicle seat is provided with a fixing member for fixing the board to the back surface of the seat back.

  The invention according to claim 7 is characterized in that the fixing member is embedded in the back surface of the seat back and the board in a state where the board is fixed to the back surface of the seat back.

  According to an eighth aspect of the present invention, the vehicle floor includes a striker that is locked to the hook of the vehicle seat when the vehicle seat is in the seating position, and the striker is in a state in which the board is rotated forward in the vehicle body at the storage position. Is arranged on the lower side of the board.

The present invention has the following effects.
In the invention according to claim 1, the vehicle floor device includes a vehicle floor having a first floor surface and a second floor surface formed lower and lower than the first floor surface, a seat cushion, and a seat back. And a moving means capable of moving the vehicle seat to a seating position above the first floor surface and a storage position above the second floor surface.
The vehicle seat is stored on the second floor surface in a state in which the seat back is folded on the seat cushion at the storage position, and includes a board on the seat back. The board is attached to the upper part of the back of the seat back so that one end is rotatable, and the other end of the board is directed downward from the seat back at the seating position, so that the board is positioned above the seat back when the occupant takes a sitting posture. Since it does not protrude, a good rear view can be secured.
In the stowed position, the board is rotated to the front of the vehicle body and hung over the first floor surface, so that a vast cargo space can be formed.
The seat back includes a support member that supports the board on the back upper portion of the seat back, and the support member includes a first support shaft that rotatably supports the board, and a second support that allows the support member to rotate relative to the seat back. And a shaft. That is, a support member is interposed between the back surface of the seat back and the board, and the support member is provided with the first and second support shafts to form two shafts, so that when the board is rotated forward of the vehicle body, Can be absorbed, and a step can be prevented from occurring in the luggage compartment (between the back of the seat back and the board).

  In the invention according to claim 2, the vehicle seat is installed from the first floor surface to the second floor surface at the seating position, and the rear end lower portion of the seat cushion is at the second position at the seating position. Accordingly, when the vehicle seat is moved to the storage position, the vehicle seat can be moved in a stable state, and the labor for seat arrangement can be reduced.

  In the invention according to claim 3, since the load receiving member for supporting the other end of the board rotated forward of the vehicle body at the storage position is provided on the first floor surface, the board and the seat back when stored by the load receiving member. The degree of freedom in setting the height is improved. Thereby, the height adjustment of the flat surface comprised by the back surface of a seat back and a board becomes arbitrary.

  In the invention according to claim 4, the load receiving member is provided immediately before the seat cushion in the sitting position, and the height of the load receiving member is set lower than the seating surface height of the front end of the seat cushion. When the occupant takes a sitting posture at the seating position of the vehicle seat, the load receiving member is positioned below the occupant's knees. That is, the load receiving member does not get in the way when the passenger is seated.

  In the invention which concerns on Claim 5, since the board was equipped with the thick part which contact | abuts a load receiving member in the other end, the load resistance with respect to the load loaded in a board can be raised.

  In the invention which concerns on Claim 6, since the fixing member which fixes a board to the back surface of a seat back was provided in the vehicle seat, the shaking of a board can be suppressed at the time of driving | running | working of a vehicle.

  In the invention according to claim 7, in the state where the fixing member is fixed to the back surface of the seat back, the fixing member is embedded in the back surface of the seat back and the board, so that the fixing member is fixed to the back surface of the seat back. It does not get in the way and the appearance of the vehicle seat at the sitting position is improved.

  According to an eighth aspect of the invention, the vehicle floor is provided with a striker that is locked to the hook of the vehicle seat when the vehicle seat is in the seating position, and the striker is in a state where the board is rotated forward in the vehicle body at the storage position. Is arranged on the lower side of the board, so that necessary parts can be freely attached to the vehicle floor. As a result, the degree of freedom in designing the vehicle seat device is improved.

It is a perspective view in the seat position of the vehicle seat apparatus wearing of Example 1 which concerns on this invention. FIG. 3 is a perspective view of the vehicle seat device shown in FIG. 2 at a storage position. It is a side view in the seating position of the vehicle seat apparatus shown by FIG. FIG. 3 is a bottom view of the seat cushion frame of the vehicle seat device shown in FIG. 2. FIG. 3 is a perspective view of a vehicle floor of the vehicle seat device shown in FIG. 2. FIG. 3 is a perspective view of the vehicle seat device shown in FIG. 2 in a folded state. FIG. 3 is an exploded perspective view of a fixing member of the vehicle seat device shown in FIG. 2. FIG. 3 is a perspective view of a state in which the board is rotated forward in the vehicle body at the storage position of the vehicle seat device shown in FIG. 2. FIG. 3 is a perspective view before the board is rotated forward of the vehicle body at the storage position of the vehicle seat device shown in FIG. 2. FIG. 3 is an operation explanatory view showing a first half of a seat arrangement of the vehicle seat device shown in FIG. 2. FIG. 3 is an operation explanatory view showing an intermediate seat arrangement of the vehicle seat device shown in FIG. 2. FIG. 3 is an operation explanatory view showing a second half of the seat arrangement of the vehicle seat device shown in FIG. 2. FIG. 5 is an operation explanatory view showing the first half of the operation of the fixing member of the vehicle seat device shown in FIG. 2. FIG. 5 is an operation explanatory diagram illustrating a second half of the operation of the fixing member of the vehicle seat device illustrated in FIG. 2. It is a perspective view of the vehicle seat apparatus of Example 2 which concerns on this invention. FIG. 16 is an exploded perspective view of a fixing member of the vehicle seat device shown in FIG. 15. FIG. 16 is a perspective view of a state in which the board is rotated forward in the vehicle body at the storage position of the vehicle seat device shown in FIG. 15. FIG. 16 is a perspective view before the board is rotated forward in the vehicle body at the storage position of the vehicle seat device shown in FIG. 15. FIG. 16 is an explanatory view showing a fixing member when the board of the vehicle seat device shown in FIG. 15 rotates forward of the vehicle body. FIG. 16 is an explanatory diagram showing a fixing member when the board of the vehicle seat device shown in FIG. 15 is upright. It is explanatory drawing by which the fixing member when the board of the vehicle seat apparatus shown by FIG. 15 is fixed to a seat back is shown.

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

  As shown in FIGS. 1 to 5, the vehicular seat device 20 stores the vehicular seat 21 on the rear side in a state in which the seat back 25 including the vehicular seat 21 is folded on the seat cushion 24. The board 26 is moved to the position S1 (see FIG. 10A) and is rotatably provided on the upper back portion 25b of the seat back 25 so as to be bridged between the back surface 25a of the seat back 25 and the vehicle floor 14 in front. A wide cargo space 12a is realized.

  The vehicle 10 is provided with a right vehicle seat device 20 disposed on the right side of the passenger compartment 12 and a left vehicle seat device 30 disposed on the left side of the passenger compartment 12. The left and right vehicle seat devices 20 and 30 are rear seats disposed at the rear of the vehicle compartment 12. The left vehicle seat device 30 is a symmetrical seat with respect to the right vehicle seat device 20 and the center of the vehicle body. Hereinafter, the right vehicle seat device 20 will be described as a “vehicle seat device 20”.

  The vehicle seat device 20 includes a vehicle floor 14 in which a lower portion of a vehicle compartment 12 is configured, a right vehicle seat 21 provided at a rear portion of the vehicle floor 14, and the vehicle seat 21 before and after the vehicle body 11. It consists of moving means 22 that moves.

  The vehicle floor (body floor) 14 includes a first floor surface 41 provided in front of the vehicle body, a second floor surface 42 provided in the rear of the vehicle body, and a footrest for passengers provided in front of the first floor surface 41. A footrest surface 43 serving as a space. The first and second floor surfaces 41 and 42 have different heights. That is, the vehicle floor 14 is formed such that the second floor surface 42 is lower than the first floor surface 41. The footrest surface 43 is formed lower than the first floor surface 41.

  The first floor surface 41 includes a right load receiving member 45 that supports the other end 26 b of the board 26 of the right vehicle seat 21, and the boards 26 and 36 of the right vehicle seat 21 and the left vehicle seat 31. A central load receiving member 46 that supports the other ends 26b, 36b, a left load receiving member 47 that supports the other end 36b of the board 36 of the left vehicle seat 31, and a seating position T1 (FIG. 10A). A first central striker 52 that locks the right vehicle seat 21 and the left vehicle seat 31, and a first right striker 51 that locks the right vehicle seat 21 at the seating position T1, And a first left striker 53 for locking the left vehicle seat 31 at the seating position T1.

  The first central striker 52 is engaged with a later-described central hook 68 at the seating position T1 (see FIG. 10A). The first right striker 51 is engaged with an outer hook 69 described later at the seating position T1. The left vehicle seat 31 is symmetrical to the right vehicle seat 21 and is locked to the first central striker 52 and the first left striker 53.

  The right, center and left load receiving members 45 to 47 are members that support the other ends 26b and 36b of the boards 26 and 36 rotated forward in the vehicle body at the storage position S1 (see FIG. 10A). The right and center load receiving members 45 and 46 are provided immediately before the seat cushion 24 at the seating position T1 (see FIG. 10A), and the height of the load receiving members 45 and 46 is the height of the seat cushion 24. It is set lower than the seating surface height H1 of the front end 24a. The seat surface height H1 is a height from the first floor surface 41 to the upper surface of the front end 24a of the seat cushion 24, and the height of the load receiving members 45 and 46 from the first floor surface 41 is H2. For example, the relationship is H1> H2. The height relationship between the center and left load receiving members 46, 47 and the front end 34 a of the left vehicle seat 31 is the same as that of the right vehicle seat 21.

  The second floor surface 42 includes a seating position T1 (see FIG. 10A) and a second central striker 56 that locks the right vehicle seat 21 and the left vehicle seat 31 at the storage position S1, and a seating position. The second right striker 55 to which the right vehicle seat 21 at the position T1 and the storage position S1 is locked or abutted, and the second vehicle seat 31 at the seating position T1 and the storage position S1 to be locked or abutted. Left striker 57 is provided. Further, the other end 111b of the front link 111 of the moving means 22 is rotatably attached to the second floor surface 42, and the other end 112b of the rear link 112 of the moving means 22 is rotatably attached.

  In the right vehicle seat 21, the second central striker 56 is locked at a seating position T <b> 1 (see FIG. 10A) by a locking member 66 of the seat cushion 24, which will be described later, and the storage position S <b> 1 (FIG. )), The central hook 68 of the seat cushion 24 is locked. Further, the second right striker 55 comes into contact with a receiving portion 67 of the seat cushion 24 described later at the seating position T1, and the outer hook 69 of the seat cushion 24 is locked at the storage position S1. The left vehicle seat 31 is symmetrical to the right vehicle seat 21 and is engaged or abutted with the second central striker 56 and the second left striker 57.

  The right vehicle seat 21 includes a seat cushion 24 on which an occupant is seated, a seat back 25 that supports the back of the occupant, a board 26 provided on a back surface 25 a of the seat back 25, and between the board 26 and the seat back 25. It comprises a support member 27 interposed between and a pillow 28 for supporting the head of the passenger. The seat back 25 includes a shoulder knob 29 described later. The seat back 25 can be said to be a member provided with the board 26.

  The left vehicle seat 31 is the same as the right vehicle seat 21, and includes a seat cushion 34, a seat back 35, a board 36, a support member 37, and a pillow 38. The seat back 35 includes a shoulder knob 39 described later. Note that one end 36 a of the board 36 is rotatably supported by the support member 37.

Hereinafter, the right vehicle seat 21 is referred to as a “vehicle seat 21”.
The vehicle seat 21 is installed from the first floor surface 41 to the second floor surface 42 at the seating position T1 (see FIG. 10A), and the storage position S1 (FIG. 10A). )), The seat back 25 is folded on the seat cushion 24 and stored in the second floor surface 42.

  That is, the seating position T1 (see FIG. 10A) is generally a position above the first floor surface 41, and the front end 24a of the vehicle seat 21 (seat cushion 24) is positioned on the first floor surface 41. The rear lower portion 24b of the vehicle seat 21 is positioned on the second floor surface 42, and the vehicle seat 21 is in a state in which an occupant can be seated. The storage position S1 (see FIG. 10A) is a position above the second floor surface 42, and both the front end 24a and the rear end lower portion 24b of the vehicle seat 21 (seat cushion 24) are located. Located on the second floor surface 42, the vehicle seat 21 is in a state where the seat back 25 is folded on the seat cushion 24.

  As shown in FIGS. 3 and 4, the seat cushion 24 includes a seat cushion frame 61 and a skin 62 provided on the seat cushion frame 61 via a cushion material (not shown). In the seat cushion 24, the rear end lower portion 24b of the seat cushion 24 is set to the same height as the second floor surface 42 at the seating position T1 (see FIG. 10A). A strap 62a for pulling the seat cushion 24 and the seat back 25 in a folded state to the rear of the vehicle body is provided.

  The seat cushion frame 61 includes a front mounting portion 63 to which one end 111a of the front link 111 of the moving means 22 is rotatably mounted, a rear mounting portion 64 to which one end 112a of the rear link 112 of the moving means 22 is rotatably mounted, And a seat back mounting portion 65 to which the seat back frame 71 of the seat back 25 is rotatably mounted. Further, the seat cushion frame 61 includes a locking member 66 provided on the rear center side, a receiving portion 67 provided on the outer side of the rear vehicle width, a central hook 68 provided on the front central side, and a front vehicle width outside. And an outer hook 69 provided on the side.

  The lock member 66 is detachably locked to the second central striker 56 at the seating position T1 (see FIG. 10A). The receiving portion 67 contacts the second right striker 55 at the seating position T1. The central hook 68 is detachably locked to the first central striker 52 at the seating position T1, and is detachably locked to the second central striker 56 at the storage position S1 (see FIG. 10A). The outer hook 69 is detachably locked to the first right striker 51 at the seating position T1, and is detachably locked to the second right striker 55 at the storage position S1.

  The seat back 25 includes a seat back frame 71 and a skin 72 provided on the seat back frame 71 via a cushion material (not shown). Further, the seat back 25 includes a shoulder knob 29 (see FIG. 1) on the upper center side. The seat back frame 71 includes a seat back shaft portion 76 that is rotatably attached to the seat back attachment portion 65, and a support member attachment portion 78 that rotatably attaches the support member 27 of the board 26. The seat back frame 71 supports the pillow 28 in a slidable manner.

  The shoulder knob 29 (see FIG. 1) is a knob for folding the seat back 25 around the seat cushion 24.

  As shown in FIGS. 3 and 6 to 10, the board 26 has one end 26 a rotatably attached to the back upper part 25 b of the seat back 25 via a support member 27, and the other position of the board 26 at the seating position T <b> 1. The end 26b is directed to the lower side of the seat back 25, and the board 26 is locked to the back surface 25a of the seat back 25. At the storage position S1, the board 26 is rotated forward of the vehicle body to be at the same level as the back surface 25a of the seat back 25. A flat surface 81 is formed.

  The board 26 includes a thick portion 82 that contacts the load receiving members 45 and 46 (see FIG. 2) at the other end 26b, and a fixing member 83 that is fixed to the back surface 25a of the seat back 25 at the other end 26b. The fixing member 83 is provided on the thick portion 82 of the board 26. That is, it can be said that the vehicle seat 21 includes the fixing member 83 that fixes the board 26 to the back surface 25 a of the seat back 25. The board 26 is divided into an upper piece 88 and a lower piece 89 in which a thick portion 82 is formed. By combining the lower piece 89 with the upper piece 88, the first support shaft 86 of the support member 27 is provided. Support for rotation.

  The support member 27 is a member that supports the board 26 on the back surface 25 a of the seat back 25. Further, the support member 27 is provided on the support member main body 85, the board 26 side of the support member main body 85, a first support shaft 86 that rotatably supports one end 26 a of the board 26, and a sheet of the support member main body 85. The second support shaft 87 is provided on the back 25 side and the support member 27 is rotatable with respect to the seat back 25. The second support shaft 87 is embedded in the back surface 25 a of the seat back 25.

  The fixing member 83 includes a lock knob 91 that can be rotated and moved up and down, a knob stopper member 92 that stops the lock knob 91 from being lifted, a spring 93 that is biased to the lock knob 91, and a lock receiving member 94 that locks the lock knob 91. . The fixing member 83 is embedded in the back surface 25 a of the seat back 25 and the board 26 in a state where the board 26 is fixed to the back surface 25 a of the seat back 25. The spring 93 is a compression spring interposed between the lock knob 91 and the knob stopper member 92. The lock knob 91, the knob stopper member 92, and the spring 93 are provided on the board 26 side. The lock receiving member 94 is provided on the back surface 25 a of the seat back 25.

  The lock knob 91 includes a knob body 96 to be manually engaged, a rod 97 extending from the knob body 96, a lock protrusion 98 provided at the tip of the rod 97, and a bottom surface of the knob body 96 to prevent the lock knob 91 from coming off. And locking claws 99, 99. The lock protrusion 98 is a protrusion extending in the radial direction of the knob body 96. The knob stopper member 92 is attached to the board 26, is provided in the center of the disk portion 101, and has a keyhole-shaped through hole 102 through which the rod 97 and the lock protrusion 98 penetrate, and the lock knob 91 is locked. It comprises arc holes 103 and 103 for locking the claws 99 and 99 rotatably.

  The lock receiving member 94 includes a receiving portion main body 105 attached to the back surface 25 a of the seat back 25, and a lock receiving hole 106 provided at the center of the receiving portion main body 105 to lock the lock protrusion 98 of the lock knob 91. The lock receiving hole 106 is a keyhole-shaped hole.

  As shown in FIG. 3, the pillow 28 includes a pillow main body 108 that supports the head of an occupant, and a slide member 109 that extends downward from the pillow main body 108 and slides on the seat back frame 71.

  As shown in FIGS. 3 and 10, the moving means 22 moves the vehicle seat 21 to the seating position T <b> 1 above the first floor surface 41 and the storage position S <b> 1 above the second floor surface 42. It is a possible means. Furthermore, the moving means 22 includes a front link 111 that rotatably supports the lower front portion of the seat cushion frame 61 of the seat cushion 24, and a rear link 112 that rotatably supports the lower rear portion of the seat cushion frame 61 of the seat cushion 24. Consists of. One end 111 a of the front link 111 is rotatably attached to the seat cushion frame 61 (front attachment portion 63), and the other end 111 b is rotatably attached to the second floor surface 42 of the vehicle floor 14.

  Similarly, the rear link 112 has one end 112 a rotatably attached to the seat cushion frame 61 (rear attachment portion 64) and the other end 112 b rotatably attached to the second floor surface 42 of the vehicle floor 14. That is, the moving means 22 is in a seating position T1 (see FIG. 10 (a)) where a passenger of the vehicle seat 21 sits and a storage position S1 (see FIG. 10 (a)) in which the vehicle seat 21 is stored. It is a means to move.

  The procedure for moving the vehicle seat 21 from the seating position T1 to the storage position S1 will be described with reference to FIGS. In FIG. 10A, the vehicle seat 21 at the seating position T1 is indicated by a solid line, and the vehicle seat 21 at the storage position S1 is indicated by a two-dot chain line. The shoulder knob 29 (see FIG. 1) is pulled from the vehicle seat 21 in FIG. 10 (a), and as shown in FIG. 10 (b), the seat back 25 is brought down to the seat cushion 24 as shown by the arrow a1 (folding). Down).

  As shown in FIG. 11A, by pulling the strap 62a (see FIG. 3) behind the seat cushion 24, the lock member 66, the second central striker 56, and the first The right striker 51 and the outer hook 69, the first central striker 52 and the central hook 68 are unlocked, the front link 111 of the moving means 22 is rotated as shown by the arrow a2, and the rear link 112 is moved to the arrow. Rotate as a3. As shown in FIG. 11B, the vehicle seat 21 is moved to the storage position S <b> 1 with the seat back 25 folded on the seat cushion 24.

  As shown in FIG. 12A, the board 26 is rotated as indicated by an arrow a4 from the back surface 25a of the seat back 25, and as shown in FIG. 12B, the board 26 is further indicated as indicated by an arrow a5. The thick portion 82 of the board 26 is brought into contact with the right load receiving member 45 and the central load receiving member 46. In a state where the board 26 is deployed to the front side, 51, 52 and 53 are arranged on the lower side of the board 26, and 51, 52 and 53 (see FIG. 5) are covered by the board 26.

Next, the locking procedure of the fixing member 83 will be described with reference to FIGS.
As shown in FIG. 13A, the board 26 is rotated to the rear of the vehicle body as indicated by an arrow b1, and as shown in FIG. 13B, the board 26 is directed toward the back surface 25a of the seat back 25 as indicated by an arrow b2. knock down. As shown in FIG. 14A, the lock knob 91 of the fixing member 83 is pressed toward the seat back 25 as indicated by an arrow b3. As shown in FIG. 14B, the lock knob 91 is rotated as indicated by an arrow b <b> 4 while the lock knob 91 is pressed, and the lock protrusion 98 of the lock knob 91 is locked to the lock receiving member 94 provided on the seat back 25.

  As shown in FIGS. 1 to 3 and 10A, in the vehicle seat device 20, the vehicle floor 14 having the first and second floor surfaces 41 and 42 having different heights, and the seat cushion 24 are provided. And a vehicle seat 21 provided with a seat back 25, and a moving means 22 movable to a seating position T1 where a passenger of the vehicle seat 21 is seated and a storage position S1 where the vehicle seat 21 is stored.

  In the vehicle floor 14, the second floor surface 42 is formed behind and lower than the first floor surface 41, and the vehicle seat 21 is arranged such that the vehicle seat 21 extends from the first floor surface 41 at the seating position T <b> 1. 2 and is stored on the second floor surface 42 in a state where the seat back 25 is folded on the seat cushion 24 at the storage position S1. The seat back 25 includes a board 26 that forms a flat surface 81 at the storage position S1.

  Since the board 26 has the other end 26b of the board 26 directed downward from the seat back 25 at the seating position T1, the board 26 does not protrude above the seat back 25 when the occupant takes a sitting posture. Visibility can be secured. Further, since the board 26 is locked to the back surface 25a of the seat back 25 at the seating position T1, it is possible to prevent the generation of noise due to the board 26. Furthermore, since the board 26 is rotated forward in the vehicle body at the storage position S1, a flat surface 81 having the same level as the back surface 25a of the seat back 25 is formed, so that a flat and vast luggage compartment 12a can be formed.

  3 and 10A, in the vehicle seat device 20, the rear end lower portion 24b of the seat cushion 24 of the vehicle seat 21 is equivalent to the second floor surface 42 at the seating position T1. Since the height is set, when the vehicle seat 21 is moved to the storage position S1, the vehicle seat 21 can be moved in a stable state, and the labor for seat arrangement can be reduced.

As shown in FIGS. 3, 8, and 9, the vehicle seat device 20 includes a support member 27 that supports the board 26 on the back surface 25 a of the seat back 25, and the support member 27 includes one end 26 a of the board 26. The first support shaft 86 that rotatably supports the second support shaft 87, and the second support shaft 87 that can rotate the support member 27 with respect to the seat back 25.
In other words, the support member 27 is interposed between the back surface 25a of the seat back 25 and the board 26, and the support member 27 is provided with the first and second support shafts 86 and 87 so as to have two shafts. When rotated forward, the thickness of the board 26 can be absorbed, and the occurrence of a step in the luggage compartment 12a (between the back surface 25a of the seat back 25 and the board 26) can be prevented.

  As shown in FIGS. 3, 8 and 9, in the vehicle seat device 20, the second support shaft 87 is embedded in the back surface 25 a of the seat back 25, so that the storage position S <b> 1 (FIG. 10A). The seat back 25 is folded on the seat cushion 24, the other end 26b of the board 26 is directed downward of the seat back 25, and the appearance of the board 26 when the board 26 is locked to the back surface 25a of the seat back 25 is improved. Can be planned.

  As shown in FIGS. 2 and 8, in the vehicle seat device 20, the other end of the board 26 rotated to the front of the vehicle body at the storage position S <b> 1 (see FIG. 10A) on the first floor surface 41. Since the load receiving members 45 and 46 for supporting 26b are provided, the load receiving members 45 and 46 improve the degree of freedom in setting the height of the board 26 and the seat back 25 during storage. Thereby, the height adjustment of the flat surface 81 formed by the back surface 25a of the seat back 25 and the board 26 is arbitrary.

  As shown in FIG. 3, in the vehicle seat device 20, the load receiving members 45 to 47 are provided immediately before the seat cushion 24 at the seating position T <b> 1 (see FIG. 10A), Since the heights of the members 45 to 47 are set to be lower than the seating surface height H1 of the front end 24a of the seat cushion 24, when the occupant takes a sitting posture at the seating position T1 of the vehicle seat 21, the occupant is below the occupant's knees. Load receiving members 45 to 47 are positioned. That is, the load receiving members 45 to 47 do not get in the way when the passenger is seated.

  As shown in FIG. 3 and FIG. 8, the vehicle seat device 20 includes the thick portion 82 that contacts the load receiving members 45 and 46 at the other end 26 b of the board 26, so that it is placed on the board 26. It is possible to increase the load resistance against the load.

  As shown in FIGS. 6 and 7, in the vehicle seat device 20, the vehicle seat 21 includes the fixing member 83 that fixes the board 26 to the back surface 25 a of the seat back 25. The shaking of the board 26 can be suppressed.

  7 and 14B, in the vehicle seat device 20, in the state where the fixing member 83 fixes the board 26 to the back surface 25a of the seat back 25, the back surface 25a of the seat back 25 and the board 26, the fixing member 83 does not interfere with the board 26 fixed to the back surface 25a of the seat back 25, and the appearance of the vehicle seat 21 at the seating position T1 (see FIG. 10A) is improved. improves.

  Further, as shown in FIGS. 5 and 8, 51, 52 and 53 are arranged below the board 26 in a state where the board 26 is unfolded to the front side, and 51, 52 and 53 are covered by the board 26. As a result, the strikers 51, 52, 53 do not protrude above the flat surface 81 formed by the board 26 and the back surface 25 a of the seat back 25, so that the striker 51, 52, 53 extends from the first floor surface 41 to the back surface 25 a of the seat back 25. A flat and large luggage room 12a (see FIG. 2) can be formed.

  As shown in FIGS. 5, 8, and 10, in the vehicle seat device 20, when the vehicle seat 21 is at the seating position T1 on the vehicle floor 14, the hooks 68 and 69 (see FIG. 4), and when the board 26 is rotated forward in the vehicle body at the storage position T1, the strikers 51 and 52 are disposed below the board 26. Necessary parts can be installed freely. As a result, the degree of freedom in designing the vehicle seat device 20 is improved.

  15 to 21 show a vehicle seat device 120 according to the second embodiment. The same parts as those of the vehicle seat device 20 (see FIG. 1) of the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted. The vehicle seat device 120 according to the second embodiment includes a vehicle floor 14 in which a lower portion of a passenger compartment 12 is configured, a vehicle seat 121 provided at a rear portion of the vehicle floor 14, and the vehicle seat 121. And moving means 22 (see FIG. 3) that moves back and forth.

  The vehicle seat 121 includes a seat cushion 124 on which an occupant is seated, a seat back 125 that supports the back of the occupant, a board 126 provided on a back surface 125 a of the seat back 125, and the board 126 and the seat back 125. And a pillow 128 for supporting the head of the passenger. That is, the vehicle seat device 120 according to the second embodiment is different from the vehicle seat device 20 according to the first embodiment in the seat back 125, the board 126, and the support member 127 of the vehicle seat 121. The pillow 128 and the seat cushion 124 are the same as the pillow 28 and the seat cushion 24 of the vehicle seat device 20 (see FIG. 1) of the first embodiment.

  One end 126a of the board 126 is rotatably attached to the upper back portion 125b of the seat back 125 via a support member 127. At the seating position T1, the other end 126b of the board 126 is directed downward of the seat back 125, and the board 126 Is locked to the back surface 125a of the seat back 125, and in the storage position S1 (see FIG. 10A), the board 126 is rotated forward of the vehicle body to form a flat surface 131 at the same level as the back surface 125a of the seat back 125. .

  The board 126 is a flat plate-like member, and the other end 126b contacts the load receiving members 45 and 46 (see FIG. 2). The board 126 is rotatably provided with a fixing member 133 that is fixed to the back surface 125a of the seat back 125 at the other end 126b. That is, it can be said that the vehicle seat 121 includes the fixing member 133 that fixes the board 126 to the back surface 125 a of the seat back 125. The board 126 is divided into an upper piece 138 and a lower piece 139. By combining the lower piece 139 with the upper piece 138, the first support shaft 136 of the support member 127 and the shaft portion 145 of the fixing member 133 are provided. 145 is rotatably supported.

  The support member 127 is a member having substantially the same configuration as the support member 27 (see FIG. 6), and is formed according to the thickness of the board 126. The support member 127 is a member that supports the board 126 on the back surface 125 a of the seat back 125. The support member 127 is provided on the support member body 135, the board 126 side of the support member body 135, a first support shaft 136 that rotatably supports one end 126 a of the board 126, and a seat back 125 of the support member body 135. And a second support shaft 137 that is provided on the side and is capable of rotating the support member 127 relative to the seat back 125. The second support shaft 137 is embedded in the back surface 125 a of the seat back 125.

  The fixing member 133 includes a lock main body 141 that is rotatably attached to the other end 126b of the board 126, and a lock receiving member 142 that is provided on the back surface 125a of the seat back 125 and into which the lock main body 141 is fitted. The lock main body 141 includes a cylindrical portion 144, lock main body shaft portions 145 and 145 provided on both side surfaces 144 a and 144 a of the cylindrical portion 144, and a lock pin 146 extending from the cylindrical portion 144 b of the cylindrical portion 144. The lock pin 146 is provided with a spherical portion 146a that engages with the lock receiving member 142 at the tip. The lock receiving member 142 is provided with a fitting hole 148 into which the lock pin 146 is fitted. The fixing member 133 is rotatably attached to the other end 126b of the board 126 as indicated by an arrow A1 around the lock main body shaft portions 145 and 145.

  A fixing procedure of the fixing member 133 of the vehicle seat device 120 according to the second embodiment will be described with reference to FIGS. As shown in FIG. 19, in the state where the other end 126 b of the board 126 is in contact with the load receiving member 46, the flat surface 131 is formed by the back surface 125 a of the seat back 125 and the board 126. The lock pin 146 is set so as to face downward in the vehicle body.

  As shown in FIG. 20, the board 126 is raised from the load receiving member as indicated by an arrow c1, and the lock body 141 is inverted as indicated by an arrow c2. Then, as shown in FIG. 21, the board 126 is rotated as indicated by the arrow c3, and the lock pin 146 (see FIG. 16) of the fixing member 133 is locked to the lock receiving member 142 (see FIG. 16) provided on the back surface 125a of the seat back 125. 16).

  In the vehicle seat device 120 of the second embodiment, since the board 126 is configured as a flat plate-like member, the vehicle seat 121 can be configured slim. Alternatively, the lock pin 146 of the lock main body 141 may be locked to the vehicle floor 14 side in the storage position S1 (see FIG. 10A). Thereby, when the flat surface 131 (refer FIG. 17) is formed with the seat back 125 and the board 126, the board 126 can be supported firmly.

  The vehicle seat device according to the present invention is shown in FIGS. 1 to 14 as the vehicle seat device 20 of the first embodiment, and FIGS. 15 to 21 as the vehicle seat device 120 of the second embodiment. However, this does not prevent the vehicle seat devices 20 and 120 from being appropriately combined with them.

  The vehicle seat device according to the present invention is suitable for use in passenger cars such as sedans and wagons.

  DESCRIPTION OF SYMBOLS 10 ... Vehicle, 14 ... Vehicle floor, 20 ... Vehicle seat apparatus, 21 ... Vehicle seat, 22 ... Moving means, 24 ... Seat cushion, 24a ... Front end of seat cushion, 24b ... Lower rear end of seat cushion, 25 ... Seat back, 25a ... back of seat back, 25b ... upper back of seat back, 26 ... board, 26a ... one end of board, 26b ... other end of board, 27 ... support member, 41, 42 ... first and second Floor surface, 86 ... first support shaft, 87 ... second support shaft, 45-47 ... load receiving member, 51,52 ... striker, 68,69 ... hook, 81 ... flat surface, 82 ... thick part of board, 83: Fixing member, H1: Seat surface height, S1: Storage position, T1: Seating position.

Claims (8)

A vehicle floor having a first floor surface and a second floor surface formed lower and lower than the first floor surface, a vehicle seat including a seat cushion and a seat back, and the vehicle seat In a vehicle seat device comprising: a moving means movable to a seating position above the first floor surface and a storage position above the second floor surface;
The vehicle seat is stored on the second floor surface in a state where the seat back is folded on the seat cushion in the storage position,
The seat back includes a board,
One end of the board is rotatably attached to the upper back of the seat back, and the other end of the board is directed downward of the seat back at the seating position, and the board is rotated forward of the vehicle body at the storage position. Over the first floor surface,
The seat back includes a support member that supports the board on the upper back of the seat back,
The vehicle seat device, wherein the support member includes a first support shaft that rotatably supports the board, and a second support shaft that allows the support member to rotate with respect to the seat back. .   The vehicle seat is installed from the first floor surface to the second floor surface at the seating position, and the rear end lower portion of the seat cushion is at the second floor surface at the seating position. The vehicle seat device according to claim 1, wherein the vehicle seat device is set to a height equivalent to that of the vehicle seat device.   3. The vehicle seat device according to claim 1, wherein the first floor surface includes a load receiving member that supports the other end of the board rotated forward of the vehicle body at the storage position. 4. .   The load receiving member is provided immediately before the seat cushion in the seating position, and the height of the load receiving member is set lower than the seating surface height of the front end of the seat cushion. The vehicle seat device according to claim 3.   5. The vehicle seat device according to claim 3, wherein the board includes a thick portion that contacts the load receiving member at the other end.   The vehicle seat device according to claim 1, wherein the vehicle seat includes a fixing member that fixes the board to a back surface of the seat back.   The vehicle seat device according to claim 6, wherein the fixing member is embedded in the back surface of the seat back and the board in a state where the board is fixed to the back surface of the seat back.   The vehicle floor is provided with a striker that is locked to a hook of the vehicle seat when the vehicle seat is in the seating position, and the striker is attached to the board in a state where the board is rotated forward in the vehicle body at the storage position. The vehicle seat device according to any one of claims 1 to 6, wherein the vehicle seat device is disposed on a lower side.

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