JP2572716Y2 - Vehicle seat - Google Patents

Description

[Detailed description of the invention]

[0001]

The present invention relates to a vehicle seat.
In particular, the present invention relates to a vehicle seat capable of forming an accommodation space by standing a seat cushion.

[0002]

2. Description of the Related Art Conventionally, as this kind of vehicle seat, those shown in FIGS. 5 and 6 are known. The vehicle seat shown in FIG. 1 is rotatably fixed to a vehicle body floor 3 via a front hinge 2 at a lower front end of a seat cushion 1 and has rotatable folding legs 4 at a lower rear end. And a link 5 between the folding leg 4 and the front hinge 2.
It is configured by connecting with. That is, as shown in FIG. 5, when the seat cushion 1 is used horizontally for seating, the folding leg 4 rises between the lower surface of the seat cushion 1 and the vehicle body floor 3 by the action of the link 5, and Although the rear end is supported, as shown in FIG. 6, when the seat cushion 1 is raised vertically to load a load, the folding leg 4 falls down to the side of the seat cushion 1 by the action of the link 5.

Although the folding legs 4 are folded as required, resin covers 6a and 6b are attached to the folding legs 4 and the front hinge 2 in order to prevent damage to luggage and the like.

[0004]

In the above-mentioned conventional vehicle seat, although a cover made of resin is attached, the projection portion is large, and the damage when hitting a load is large. There was a problem that the appearance was not good. The present invention has been made in view of the above-described problems, and provides a vehicle seat capable of eliminating a protrusion on a lower surface side of a seat so as not to damage luggage and a link bar and improving appearance in a vehicle. With the goal.

[0005]

In order to achieve the above object, the invention according to claim 1 is a hinge wherein a seat-side rotating member and a vehicle-body-side rotating member are rotatably mounted on a lower surface side of a seat. At the same time, one edge of the seat and the vehicle body are rotatably fixed, and at the other edge of the seat, a folding leg to which a seat-side support member and a rotating leg are rotatably fixed is fixed. And, the link bar is rotatably attached to the turning member on the vehicle body side of the hinge and the turning leg of the folding leg, and when the seat is turned, the turning leg of the folding leg is attached to the lower surface of the seat. In the case of a vehicle seat provided with a link mechanism that causes the turning leg of the folding leg to be folded along the lower surface of the seat when the seat rises, the seat-side turning member of the hinge and the seat Folding legs And the link bar is accommodated in the lower surface of the seat, and the pivot leg is accommodated near the seat-side support member on the lower surface side of the seat corresponding to the pivot range of the pivot leg. A rotatable leg receiving portion is formed, and the vehicle body-side rotating member is provided on the lower surface side of the seat near the seat-side rotating member toward an end opposite to the seat-side supporting member. It is configured such that a body-side rotating member housing portion that can be housed is formed.

[0006]

In the invention according to the first aspect, the seat-side pivoting member of the hinge, the seat-side supporting member of the folding leg, and the link bar are housed inside the seat lower surface.
No projection is formed. When the seat is raised, the rotating leg is accommodated in the rotating leg housing, and the vehicle body-side rotating member is housed in the vehicle body-side rotating member housing and does not form a projection.

[0007]

[Effects of the Invention] As described above, according to the present invention, when the seat is raised, the hinges and the like are housed on the lower surface of the seat, so that no projections remain, the flatness improves the appearance, and the luggage is improved. It is possible to provide a vehicle seat that can hardly damage the vehicle.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a state in which a vehicle seat according to an embodiment of the present invention is erected, and FIG. 2 is a perspective view showing a frame structure of the vehicle seat. In FIG. 1, a seat cushion 10 includes a rectangular annular cushion frame 11, in which cushion seating wires 12a to 12d for supporting a seating surface are stretched.
A hinge 13 is fixed to a portion of the cushion frame 11 near the front side. The hinge 13 is a cushion frame hinge (seat-side rotating member) that is rotatably connected to each other with an axis passing through the side direction as a fulcrum.
The cushion frame hinge 13a is fixed to the surface of the cushion frame 11 at the upper end by welding and the lower end is rotated with respect to the upper end of the front hinge 13b. The front hinge 13b is connected to the cushion frame hinge 13a at the upper end and the lower end is fixed to the vehicle body floor.
It is bolted to.

A pair of cushion frame lock brackets 14 (seat-side support members) projecting inward from the cushion frame 11 are welded and fixed to the side portions of the rear side of the cushion frame 11. A lock assembly (rotating leg) 15 is rotatably mounted between the fourteen through a stepped bolt (not shown). Lock Assy 15
Comprises a U-shaped groove 15a opening downward,
An internal engaging claw engages with a striker (not shown) provided on the floor of the vehicle body to be lockable. In addition,
These cushion frame lock brackets 14 and lock assemblies 15 constitute folding legs.

A release lever 15b for releasing the engagement between the engagement claw and the striker is rotatably provided on a side surface of the lock assembly 15 with its lower end as a fulcrum, and a lock is provided on the upper end of the release lever 15b. Release band 15
c is connected. The lock release band 15c is wound around the bent portion 12b1 of the seat wire 12b by a half turn after being pulled forward once, and the other end is changed in direction to the rear surface side and pulled out from the rear portion of the seat cushion. . Here, an annular portion formed by sewing the sewing machine by folding the tip of the band is formed on the drawer portion, and a band stopper bar 15d formed by a wire is bolted to the lower surface of the rear side of the cushion frame 11. The band stopper bar 15d is sandwiched between the annular portions of the lock release band 15c.
As a result, the unlocking band 15c is held by the band stopper bar 15d so as to be movable back and forth by a predetermined distance.

The front hinge 13b and the lock assembly 15 are connected by a link bar 16. The link bar 16 is rotatably connected to the side surface of the front hinge 13b at the front end side with the rotation axis in the side direction as a fulcrum, and the rotation axis in the side direction to the side surface of the lock assembly 15 at the rear end side. Are connected so as to be rotatable around the fulcrum. An under cover 17 that covers the seat cushion 10 from below is connected to the lower surface of the seat cushion 10. The under cover 17 is formed in a shallow bottom box shape, and notches 17a and 17b are formed in the turning portion of the front hinge 13b and the turning portion of the lock assembly 15, as shown in FIG. Here, the notch 17a corresponding to the front hinge 13b is a notch that extends from the lower surface of the front hinge 13b to the front side, and continues from the lower surface of the undercover 17 to the front through a corner. The notch 17b corresponding to the lock assembly 15 defines a range in which the lower end side of the lock assembly 15 moves in and out of the under cover 17 when the lock assembly 15 rotates around a connection point with the cushion frame lock bracket 14 as a fulcrum. Notched. In this embodiment, the front hinge 13
The space in which b is accommodated in the undercover 17 via the notch 17a constitutes a vehicle body-side rotating member accommodating portion, and the space in which the lock assembly 15 is accommodated in the undercover 17 via the notch 17b. Constitute a rotating leg housing.

Next, the operation of this embodiment having the above configuration will be described. Normally, the seat cushion 10 is laid down as shown in FIG. At this time, due to the action of the link bar 16 connected to the front hinge 13b, the lock assembly 15 rises to the lower surface of the seat with the connection point with the cushion frame lock bracket 14 as the center of rotation, and is substantially perpendicular to the lower surface of the seat. ing. Thus, when the lock assembly 15 is perpendicular to the seat lower surface, the lock assembly 1
5 has a groove 15a formed at the front end thereof, and projects from the notch 17b of the undercover 17 to the outside of the undercover 17.

Since the seat cushion 10 is in a horizontal state, a lock assembly 15 perpendicular to the seat cushion 10 is perpendicular to the vehicle floor, and a U-shaped groove 15a protruding outward is formed on the striker on the vehicle floor. And locked by the internal engaging claw. Also,
In the hinge 13, a lower portion of the front hinge 13 b is formed by a notch 17 on the front side of the undercover 17.
a, and is fixed to the bracket 21 on the floor of the vehicle. On the other hand, when loading luggage or the like, the unlocking band 15 protruding from the rear lower surface of the seat.
c, the release lever 15b is operated to release the lock between the engaging claw in the lock assembly 15 and the striker on the vehicle floor, and then lift the rear end of the seat cushion 10 upward as shown in FIG. . Seat cushion 10
Is connected to the vehicle floor by the hinge 13 at the front end, so that the rear end of the seat cushion 10 stands up while rotating at the hinge 13.

In the hinge 13, the cushion frame hinge 13a rotates counterclockwise in the drawing, and the front hinge 13b is a notch 17 cut out from the lower surface to the front surface.
Move forward within a. When the seat cushion 10 stands up, the rear side wall surface of the front hinge 13b is in a state of closing the opening on the lower surface side of the notch 17b. The cushion frame hinge 13a
A stopper 13a1 made of rubber is provided on the rear side of the lower end of the front hinge 13b so as to abut on the rear inner wall of the front hinge 13b and stop at a predetermined angle. On the other hand, when the cushion frame hinge 13a rotates counterclockwise, the link bar 1 connected to the front hinge 13b is rotated.
6 is pulled relatively clockwise. Then, the lock assembly 15 connected to the rear end side of the link bar 16 is pulled so as to rotate clockwise relative to the cushion frame lock bracket 14, and when the seat cushion 10 rises vertically, the lock assembly 15 faces the lower surface of the seat. To be parallel.

Initially, the tip of the lock assembly 15 protrudes outside through the notch 17b of the undercover 17, but when rotating in this manner, the tip of the lock assembly 15 gradually becomes smaller. When the lock assembly 15 moves inward and becomes parallel to the lower surface of the seat, the rear side wall surface of the lock assembly 15 closes the notch 17b as shown in FIG. Therefore, when the seat cushion 10 stands up, there is no more than the under cover 17, so that damage to luggage and link bars can be prevented,
Further, in the present embodiment, the notches 17a, 17b
Even the opening of is beautifully closed and looks better.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which a vehicle seat according to an embodiment of the present invention is erected.

FIG. 2 is a perspective view showing a frame structure of a vehicle seat.

FIG. 3 is a schematic sectional view of the vehicle seat during normal use.

FIG. 4 is a schematic sectional view of the vehicle seat during loading.

FIG. 5 is a schematic sectional view of a conventional vehicle seat during normal use.

FIG. 6 is a schematic cross-sectional view of a conventional vehicle seat during loading.

[Description of Signs] 10: Seat cushion 13: Hinge 13a: Cushion frame hinge 13b: Front hinge 14: Cushion frame lock bracket 15: Lock assembly 16: Link bar 17: Under cover 17a, 17b: Notch

Claims (1)

(57) [Scope of request for utility model registration] At least one of an edge of the seat and a vehicle body are rotatably fixed to a lower surface of the seat by a hinge to which the seat-side rotating member and the vehicle-body-side rotating member are rotatably mounted. In addition, a folding leg in which a seat-side support member and a pivot leg are rotatably mounted is fixed to the other edge of the seat, and a link bar is connected to the vehicle body-side pivot member in the hinge and the folding leg. The pivoting leg of the folding leg rises with respect to the lower surface of the seat when the seat is twisted, and the pivoting leg of the folding leg is raised when the seat is raised. In a vehicle seat having a link mechanism for folding along a seat lower surface, a seat-side rotating member of the hinge, a seat-side supporting member of the folding leg, and the link bar are accommodated inside the seat lower surface. In the vicinity of the seat-side support member on the lower surface side of the seat, there is formed a rotating leg housing portion capable of accommodating the rotating leg corresponding to the rotating range of the rotating leg, and the lower surface of the seat is formed. A vehicle-body-side turning member housing portion capable of housing the vehicle-body-side turning member toward an end opposite to the seat-side support member is formed near the seat-side turning member on the side. Vehicle seat.