JPS6319226Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to an improvement of a reclining device for an automobile seat.

Conventionally, as shown in FIG. 1, the above-mentioned reclining device has a plurality of engagement grooves 4, . 4 is fixed, and a striker 7 swingably pivoted to the frame 6 of the seat bag 3 is attached to one of the engagement grooves 4, . A device that adjusts the tilting position of the seat bag 3 by engaging and disengaging it with a push/pull operation (for example,
Utility Model Application Publication No. 54-171402) has been proposed.

However, since the manual knob 8 was only used to swing the striker 7 in the disengagement direction, when the base of the striker 7 is deformed due to a car collision, etc., the striker 7 moves into the engagement groove 4 of the sector member 5.
There was a great risk of sudden withdrawal from the group, which was very dangerous.

This invention was made in view of the above-mentioned conventional problems, and a bent part located above the above-mentioned auxiliary piece is formed on the stopper member which is pivotally attached to the frame of the seat bag. ,
This prevents the striker from rotating in the disengaged direction when the striker is engaged with the sector member.

Hereinafter, embodiments of this invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 2, the frame 11 of the seat bag 10 has a structure in which a portion corresponding to a sector member 12 fixed to the vehicle body is connected with a lock frame 13, and one side wall 13a of the lock frame 13.
A bearing boss 16 that supports the shaft portion 15a on one side of the roughly U-shaped striker 15 is fitted into the shaft hole 14 bored in the shaft hole 14, and the shaft portion 15a on the other side of the striker 15 is fitted.
5b includes a wire spring 17 and the other side shaft portion 15.
The shaft boss 18 is fitted into the base hole 20 of the release plate 19 and the shaft hole 22 of the lock plate 21, and the lock plate 21 is fitted into the lock frame. It is integrally fixed to the other side wall 13b of 13 with screws 23, 23.

Therefore, the striker 15
3 and a lock plate 21, one end is latched onto a striker auxiliary piece 24 integrated with the striker 15, and the other end is attached to the bearing boss 1.
A wire spring 17 hooked on the sector member 12 is biased in the direction of engagement with the engagement grooves 12a, . . . , 12a of the sector member 12.

The release plate 19 is swingably supported by a bearing boss 18, and the boss 2 is fixed with screws 25.
6 is fitted into the elongated hole 27 of the lock plate 21 to regulate the swing angle.

An inwardly bent release part 28 is provided at the lower part of the release plate 19, which comes into contact with the lower edge 12b of the sector member 12 and prevents the sector member 12 from swinging when the seat bag 10 is tilted backward.

Furthermore, a self-locking portion 38 is provided on the side of the release plate 19 to lock a bent portion 36 of the stopper plate 29, which will be described later, at the removal position.

On the other hand, a boss 31 that fits into the base hole 30 of the stopper plate 29 is fixed to the upper part of the other side wall 13b of the lock frame 13 with a screw 32 to swingably support the stopper plate 29 and to support the stopper plate 29 in a swingable manner. Hole 33 in outer bent portion 33 of stopper plate 29
a is engaged with the bent portion 34a at the lower end of the rod 34 which is linked to a manual knob (not shown).

A coil spring 35 is stretched between the outer bent portion 33 of the stopper plate 29 and the inner bent release portion 28 of the release plate 19, and both plates 2
9 and 19 are urged toward each other relatively.

At the bottom of the stopper plate 29, below the striker auxiliary piece 24, that is, the striker 15
A bent part 36 facing the engagement side of the striker 15, and a bent part 37 facing above the striker auxiliary piece 24, that is, facing the detachment side of the striker 15 are provided.

If the reclining device is constructed as described above, the manual knob is pressed down and the rod 34 is in the lowered position, as shown in FIG. In the assembled state, the stopper plate 29 is rotated to the left by the coil spring 35 and the lower end bent portion 34 of the rod 34 is rotated to the left.
Since the striker auxiliary piece 24 has a bent portion 36 at the lower side and a bent portion 37 at the upper side, even if the striker 15 tries to swing in the detachment direction due to a collision with a car, etc., it will not bend. Since it is held in place by the bent portion 37, there is no risk of it coming off unexpectedly.

The release plate 19 is rotated to the left by the coil spring 35, and the inwardly bent release portion 28 is rotated to the left by the coil spring 35.
The lower edge 12b of 2 is held against the lower edge 12b.

Next, as shown in FIG. 4, when the manual knob is pulled up to raise the rod 34, the lower end bent portion 34a
As a result, the stopper plate 29 is rotated to the right, and the bent portion 36 comes into contact with the striker auxiliary piece 24 to swing the striker 15 in the detachment direction.

In this state, when the tilting angle of the seat back 10 is adjusted and the pulling operation of the manual knob is released, the stopper plate 29 is rotated to the left by the coil spring 35, and the striker 15 is engaged with the corresponding engagement groove 12a by the wire spring 17. At the same time, the adjustment of the tilting position is completed.

Further, as shown in FIG. 5, when the seat bag 10 is tilted forward while the manual knob is pulled up, the release portion 2 of the release plate 19 is bent.
8 is removed from the lower edge 12b of the sector member 12 and rotated to the right by the coil spring 35, and the self-locking portion 38
comes to lock the bent portion 36 of the stopper plate 29, and the striker 15 is self-locked to the detached position.

Thereafter, when the seat bag 10 is tilted backward, the inwardly bent release part 28 of the release plate 19 is abutted against the lower edge 12b of the sector member 12 and rotated to the left, so that the self-locking part 38 closes the bent part 36 of the stopper plate 29. The lock is released, the striker 15 is swung in the engagement direction by the wire spring 17, and the engagement groove 12a of the sector member 12 is rotated.
becomes able to engage with

As is clear from the above description, this invention has a stopper member that is interlocked with the manual operation member for engaging and disengaging the striker, and has a bent portion located above the auxiliary piece. This is designed to prevent the striker from rotating in the disengaged direction when the striker is engaged with a member, which is advantageous in terms of safety because there is no risk of the striker coming off unexpectedly in the event of a car collision, etc. .

[Brief explanation of drawings]

Figure 1 is a side view of a conventional reclining device.
FIG. 2 is an exploded perspective view of the reclining device according to this invention, and FIGS. 3, 4, and 5 are operational side views of the reclining device according to this invention. 10... Seat bag, 11... Frame, 1
2...Sector member, 12a...Engagement groove, 13...
...Lock frame, 15...Striker, 17...
...Wire spring, 19...Release plate, 2
DESCRIPTION OF SYMBOLS 1... Lock plate, 24... Striker auxiliary piece, 28... Folded release part, 29... Stopper plate, 34... Rod, 35... Coil spring, 36... Bended part, 37... Folded part. Bend part, 3
8...Self-lock section.

Claims (1)

[Claims for Utility Model Registration] Adjusting the tilting position of the seat bag by engaging a striker swingably pivoted to the frame of the seat bag with one of a plurality of engagement grooves of a sector member fixed to the vehicle body. In the reclining device, the striker has a substantially U-shape, and a flat plate-shaped auxiliary piece is fixed to the upper side of the striker. An automobile seat characterized in that a bent portion is formed at a position of the sector member, and the bent portion prevents the striker from rotating in a direction in which the striker is disengaged when the striker is engaged with the sector member. reclining device.