JP4784802B2 - Sliding folding sheet that can be raised - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention is a slidable slide type that is equipped with a seat that can be moved in the front-rear direction in the vehicle with a slide rail, and that the seat back can be folded into a seat cushion and the entire seat can be lifted upward from the rear side together with the slide rail It relates to a folding sheet.
[0002]
[Prior art]
In general, automobile seats are assembled so that the seat back can be folded to the seat cushion with a reclining mechanism, and of course, the upper rail attached to the lower part of the seat cushion is supported by the lower rail so that the slide rail can be slid. The seat is equipped with a slide rail so that it can move in the longitudinal direction of the car.
[0003]
In the rear seat of the car seat, particularly a wagon as shown in FIG. 7, the seat back 1 is folded on the seat cushion 2 to secure a storage space for luggage and the like, and the entire seat is slid from the rear side to the slide rail 3. In addition, it is planned to be configured to be able to jump upward.
[0004]
In order to construct the flip-up seat, the front end side of the lower rail 3a is pivotally supported by the stand leg portion 4 installed on the vehicle body floor F, and the striker 5 rising from the vehicle body floor F is close to the rear end of the seat cushion 2. The striker lock 6 attached to the lower part is provided with a slide rail 3 for receiving and supporting the rear end side of the lower rail 3a with the striker 5, and the striker lock releasing mechanism 7 for holding the striker 5 can be operated by the operation of the occupant. Just prepare for.
[0005]
In the flip-up seat, an unlocking lever 8 for unlocking a slide lock mechanism (not shown) is provided so as to extend from the upper rail 3b to the lower front part of the seat cushion 2, and the occupant pulls up the unlocking lever 8. When operated, the slide lock mechanism is unlocked. On the other hand, when the pulling operation is released, the slide lock mechanism may be locked.
[0006]
In addition, a torque spring 9 such as a torsion coil spring or a spiral spring is provided on the pivot of the slide rail 3, and a striker lock releasing mechanism 7 for unlocking the holding of the striker 5 is provided so as to be pulled by the strap 7a. When the unlocking mechanism 7 is pulled by the strap 7a, the striker lock 6 is unlocked, and the entire seat may be flipped up from the rear side as shown in FIG.
[0007]
However, with the flip-up seat, for example, the seat back 1 of the seat at the forward movement position in the vehicle is moved forward on the seat cushion 2, and the entire seat is in the forward position as shown in FIG. Then, since the seat back 1 protrudes by the height of the headrest, it is assumed that the headrest hits the back portion of the front seat or hits the floor surface of the vehicle body floor F and gets stuck on the way of jumping.
[0008]
In order to flip up the entire seat, as shown in FIG. 10, if the seat is slid and moved to a predetermined position in the rear of the vehicle, the entire seat is positioned in the rear of the vehicle by the amount of sliding even if the seat back 1 is folded to the seat cushion 2. Therefore, it is possible to prevent clogging of the entire seat due to the headrest. However, it is necessary for the slide lock mechanism to be securely locked at the time of jumping up. If the occupant accidentally touches the lock release lever 8, the seat lock mechanism is unlocked. There is a possibility that the back 1 will slide down.
[0009]
[Problems to be solved by the invention]
The present invention relates to a foldable slide-type folding seat configured to prevent the slide lock mechanism from being unlocked even when an occupant accidentally touches the lock release lever when the seat is slid rearward in the vehicle to perform the jumping operation. The purpose is to provide.
[0010]
[Means for Solving the Problems]
In the slide type folding seat that can be raised according to the present invention, a striker lock that is pivotally supported by a stand leg portion that is installed on the vehicle body floor on the front end side and that has a striker that rises from the vehicle body floor near the rear end. A lower rail that holds the rear end with a striker and supports it with a striker.The lower rail is slidably supported by the lower front and rear of the seat cushion, and a slide lock mechanism that can be unlocked by lever operation. Assemble the entire seat, which can be moved in the longitudinal direction of the vehicle with the slide rail, and the seat folded by the torque spring provided on the pivot of the stand leg can be lifted up from the rear side together with the slide rail. With the seat, striker lock It is constructed by providing the slide lock mechanism and the rocking contact with the stopper piece in conjunction with the Unlock the slide rail.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
1 to 6, the seat according to the illustrated embodiment has the same mechanism as that of the seat of FIG. 7 and is applied to constitute a rear seat to be mounted on a vehicle body floor F such as a wagon car. Has been. The common components are denoted by the same reference numerals as in FIG.
[0012]
The automobile seat includes a reclining mechanism that pivotally supports the seat back so as to tilt forward and backward with the seat cushion, and a slide rail that slidably supports the upper rail attached to the lower front and rear direction of the seat cushion with the lower rail, A torque spring is provided on the pivot axis of the slide rail, and a striker lock releasing mechanism for unlocking the holding of the striker is provided so that it can be pulled by a strap.
[0013]
The automobile seat is configured by including a slide rail 3 and a striker lock 6 as shown in FIG. Of these, the slide rail 3 supports the upper rail 3b so as to be slidable by the lower rail 3a, and is provided with a lock release lever 8 for unlocking the slide lock mechanism so as to extend from the upper rail 3b to the lower front portion of the seat cushion 2. It is comprised by.
[0014]
As shown in FIG. 2 (only one side is shown), the lower rail 3a has an upward U-shaped rail base frame 30 and an inward bend that is bent in an inverted L shape with a relative spacing inside both ends of the rail base frame 30. It is formed from flanges 31a and 31b.
[0015]
The upper rail 3b is formed of a central rising wall 32, and rail base portions 33a and 33b that hold the rising wall 32 on the lower side and are fixed to each other in a substantially J shape. The upper rail 3b is slidable on the lower rail 3a by assembling the rail base portions 33a and 33b inside the rail base frames 33a and 33b from the relative distance between the inner bending flanges 31a and 31b and providing a plurality of rollers 34 at the lower portion of the rail. Standing is supported.
[0016]
As shown in FIG. 3, the slide lock mechanism 10 includes a plurality of projecting teeth 11a, 11b,... Provided on the inner bending flange portion 31a of the lower rail 3a by cutting out the lower end side of the inner bending flange 31a in an uneven shape, and the upper rail 3b. And a lock plate 12 provided on the side portion of the plate.
[0017]
The lock plate 12 is supported by the support shaft 13 planted on the rail base portions 33a and 33b of the upper rail 3b at the front end portion, and the rise wall 32 of the upper rail 3a and the lock plate 12 at the rear end portion. By pulling up and supporting by a rod-like spring 14 (see FIG. 1) spanning between the projecting side 12a and by guiding the pin 15 inserted into the elongated hole 12b with the support shaft 13 as a fulcrum by the pulling operation of the lock release lever 8. The upper rail 3b is disposed in the front-rear direction so that it can swing downward against the spring 14.
[0018]
The locking plate 12 is provided with a latching piece 17 having receiving holes 16a, 16b,... Engaging with the protrusions 11a, 11b,... Of the inner bending flange 31a in the frame of the rail base frame 33a. The slit 35 formed in the longitudinal direction of 33a is allowed to pass through and is extended to the lower side of the inner bending flange 31a. The lock release lever 8 is fixedly attached so as to extend from the lock plate 12 to the lower front portion of the seat cushion 2.
[0019]
As shown in FIG. 4, the striker lock 6 provided in the lower rail 3a of the slide rail 3 has a hook-shaped latch 60 rotatably supported by a support shaft 61, and a cam in which the latch 60 is engaged or disengaged. The base ratchet 62 is assembled so as to be pivotally supported by the support shaft 63 on the base side. The latch 60 is attached by a torsion coil spring (not shown) fitted on the axis of the support shaft 61 so as to be biased to the locking position or the release position.
[0020]
A connecting rod 64 is provided from the upper end side of the ratchet 62 so as to extend in the direction in which the slide lock mechanism 10 is equipped. Further, on the extension of the connecting rod 64, a stopper piece 65 capable of abutting and swinging with the protruding side 12a of the lock plate 12 is attached to the lower rail 3a by being supported by a support shaft 66. The shaft end of the connecting rod 64 is attached to the stopper piece 65.
[0021]
In this configuration, the connecting rod 64 is tension-supported on the equipment side of the striker lock 6 by a coil spring 68a that spans between the support pin 67 pivotally attached to the ratchet 62. The stopper piece 65 is tension-supported on the equipment side of the striker lock 6 by a coil spring 68b that spans between the lower rail 3a.
[0022]
In addition, the striker lock 6 receives a rubber pad 69b for receiving the striker 5 by being held by a swingable bracket plate 69a provided coaxially with the support shaft 63 of the ratchet 62 as shown in FIG. It is provided so as to be able to contact the piece 69c. Further, an operating piece 71 for connecting the continuous pulling cable 70 from the striker lock releasing mechanism 7 is attached so as to swing integrally with the ratchet 62 coaxially with the support shaft 63 of the ratchet 62.
[0023]
As shown in FIG. 5, the striker lock 6 is provided on each of the left and right slide rails (not shown). The striker 5 is also provided by raising the left and right two from the vehicle body floor corresponding to the striker lock 6. From the striker lock 6 mounting structure, two puller cables 70 respectively connected to the left and right striker locks 6 are drawn out from the striker lock release mechanism 7.
[0024]
In the slide-type folding seat that can be raised, the striker lock releasing mechanism 7 can be unlocked by pulling the strap 7a when the seat is folded and then slid up and moved backward in the vehicle. As shown in FIG. 6, the ratchet 62 swings to the equipment side of the slide lock function 10, and when the latch 60 is detached from the ratchet 62, it operates in the opening direction of the striker 5.
[0025]
When the latch 60 is actuated in the opening direction of the striker 5, the entire folded sheet jumps upward from the rear side by the torque spring 9, and at the same time, the stopper piece 65 is integrated with the ratchet 62 and the connecting rod 64 to integrally slide lock function 10. The stopper piece 65 reaches a position where it can abut against the protruding side 12a of the lock plate 12. Thus, even if an occupant accidentally touches the lock release lever 8, the stopper piece 65 comes into contact with the projecting side 12a of the lock plate 12, so that the lock plate 12 is engaged with the stopper piece 65 so that the slide lock mechanism 10 is not unlocked. You can stop.
[0026]
In the above-described slide-type folding seat that can be raised, as shown in FIG. 5, the striker unlocking mechanism 7 and the slide rail 3 are connected by a traction cable 72, so that the entire folded seat slides backward in the vehicle. Otherwise, even if the striker unlocking mechanism 7 is pulled with the strap 7a, the striker unlocking mechanism 7 is operated. On the other hand, the striker unlocking mechanism 7 that unlocks if the entire folded seat is slid backward in the vehicle is provided. Can be configured.
[0027]
【The invention's effect】
As described above, according to the flip-up foldable seat according to the present invention, the slide rail is provided with the stopper piece that swings and contacts the slide lock mechanism in conjunction with the unlocking of the striker lock. It is possible to configure the slide lock mechanism not to be unlocked even when an occupant accidentally touches the lock release lever when the vehicle is slid backward in the vehicle to perform the jumping operation.
[Brief description of the drawings]
FIG. 1 is a perspective view mainly showing a slide rail and a striker lock provided in a flip-up foldable folding seat according to the present invention.
FIG. 2 is an explanatory view showing a slide rail and a slide lock mechanism provided in the flip-up folding seat that can be raised;
FIG. 3 is an explanatory view mainly showing a slide lock mechanism provided in a slide-type folding sheet that can be raised;
FIG. 4 is an explanatory diagram showing, in a locked state, a striker lock provided in the sliding folding sheet that can be lifted up.
FIG. 5 is an explanatory diagram mainly showing an unlocking mechanism of a slide lock provided in the sliding folding sheet that can be lifted up.
FIG. 6 is an explanatory view showing a striker lock provided in a sliding folding sheet that can be lifted up in an unlocked state.
FIG. 7 is an explanatory view showing a flip-up slidable folding sheet embodied by the present invention.
FIG. 8 is an explanatory diagram showing the sheet of FIG. 7 in a flipped-up state.
FIG. 9 is an explanatory view showing the seat of FIG. 7 in a state where the seat back is tilted forward.
10 is an explanatory view showing the seat of FIG. 7 in a sliding position on the rear side in the vehicle.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Seat back 2 Seat cushion 3 Slide rail 3a Lower rail 3b Upper rail 4 Stand leg part 5 Striker 6 Striker lock 65 Stopper piece 7 Striker lock release mechanism 8 Slide lock unlocking lever 9 Torque spring 10 Slide lock mechanism 12 Lock plate 12a Lock plate 12a Projection piece F Body floor

Claims (1)

A lower rail that supports the front end pivotally with a stand leg installed on the vehicle body floor, and holds a striker that rises from the vehicle body floor near the rear end with a striker lock and receives and supports the rear end with a striker. The lower rail is slidably supported by the lower rail in the front and rear direction of the seat cushion, and the slide rail is provided with a slide lock mechanism that can be unlocked by lever operation. In the seat that can be moved in the front-rear direction and assembled so that the entire seat folded by the torque spring provided on the pivot of the stand leg can be lifted up together with the slide rail from the rear side,
A slide-type folding seat that can be lifted up, wherein a stopper piece that swings and contacts the slide lock mechanism in conjunction with unlocking of the striker lock is provided on the slide rail.

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