JPS6328029Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a seat locking device for a vehicle, and more specifically to an improvement in a locking device for a foldable rear seat of a passenger car or the like.

As shown in FIG. 1, a conventional locking device of this type has an operating handle 4 equipped with a hook 3 that locks a tip key 2a of a striker 2 fixed to the back wall of a rear seat 1, which is rotated toward the vehicle body. The striker 2 is movably supported, and the locking of the striker 2 by the hook 3 is released by operating the upper part of the operating handle 4 against the spring force of the wire spring 6, as shown by arrow A in the figure. something is known.

By the way, with such a lock device, anyone can operate the lock release operation, so even if the trunk is locked, you can fold down the rear seat from inside the car and take out the items in the trunk, which is preferable from the perspective of theft prevention. It wasn't.

The present invention has been developed in view of this problem, and its basic purpose is to provide a vehicle seat lock device that can be unlocked only by key operation.

Therefore, in the present invention, the foot lever that locks the seat striker and the handle that operates the foot lever are rotatably supported on a common shaft, and a slide that slides in the axial direction on this shaft is provided. The member is slid in conjunction with the operation of a cylinder lock attached to the base via a lever, and when the cylinder lock is in the locked position, even if the handle is operated, the lever remains in the locking position, and the cylinder lock is locked. The basic feature is that the seat lever is linked in the rotational direction by a slide member so that the seat lever is linked to the handle only when the seat is unlocked, and the seat can be unlocked by operating the handle.

Hereinafter, the present invention will be explained in more detail based on the illustrated embodiments.

In FIGS. 2, 3, and 4, reference numeral 11 denotes a pair of side walls 11b and 11 rising from the bottom wall 11a.
A base 12 has bracket parts 11d and 11e on the upper edge of c for attachment to the vehicle body side, and a cylinder lock 30 is mounted vertically upward in the center of the rear part, and 12 covers the internal space of the base 11 from the outside. 13 is a foot lever having a hook portion 15 for locking a striker 14 whose base end is fixed to the back wall of a rear seat (not shown); 16 is a handle lever 12 for unlocking; and a pair of side walls 11 of the base 11 so as to rotatably support the foot lever 13, respectively.
This is a shaft inserted and fixed between b and 11c.

As shown in FIG. 5, the operating handle 12 has an upper wall 12b extending in the front-rear direction above the vertical wall 12a, and an operating portion 12c formed by raising the rear edge of the upper wall 12b upward. It has a lower wall 12d extending backward and diagonally downward from the lower part of the vertical wall 12a, and on both sides of the lower part of the vertical wall 12a, the vertical wall 12a
It has a structure in which substantially circular bearing portions 12e and 12f are formed to be substantially orthogonal to each other. Also, foot lever 13
A pair of bearing parts 12e, 1 of the operating handle 12
The lever body 13c has a structure in which a hook part 15 is protruded forward and supported from the center in the axial direction of a lever body 13c, which has a pair of bearing parts 13a and 13b integrally formed at both ends in the axial direction so as to be able to fit between the two f. ing.

These operation handle 12 and foot lever 13
By the shaft 16, which is a stepped shaft, each pair of bearing portions 12e, 12f, 13a, 1
3b are assembled into the base 11 in a state where they are each pivotally supported.

As shown in FIG. 3, the large diameter portion 1 of the shaft 16
6a is wound with two helical springs 17 and 18, one end of which rests against the bottom wall 11a of the base 11, and the other end of one helical spring 17 is attached to the left side of the operating handle 12 in the figure. The other helical spring 18 is latched onto a spring hook 19 provided on the bearing portion 12e, and the other end of the other helical spring 18 is operated by applying it to the hook portion 15 of the hook lever 13 from below, as shown in FIG. The handle 12 and the lever 13 are each urged clockwise in FIG. 4 around the shaft 16. The operating handle 12 and the foot lever 13 are biased by these helical springs 17 and 18, and each bearing portion 12e, 12f, 13a, 13
Each stopper part 12g, 12h, 13d, 13e formed by projecting downward from the lower part of b is abutted against the bottom wall 11a of the base 11.
As shown by solid lines in Fig. 4, the operating handle 1
2 and the foot lever 13 are prevented from rotating clockwise.

On the other hand, as shown in FIG. 3, a slide member 20 that can freely slide in the axial direction is fitted into the small diameter portion 16b of the shaft 16 at a portion further axially inward than the right bearing portion 13b of the foot lever 13. , depending on the axial position of this slide member 20, the operating handle 12 and the foot lever 13
Both 12 and 13 can be linked so as to rotate in the rotational direction, or can be separated so as to rotate independently of each other.

This slide member 20 is provided with a pair of flanges 21 and 22 at both ends of a short cylinder 20a that fits into the small diameter portion 16b of the shaft 16, and a third
As shown in FIG. 4, the flange 22 on the right side of the figure is integrally provided with a pair of linking pins 23, 23 extending parallel to the axis of the shaft 16.
3, 23 are clearly shown in FIG.
2. Each right bearing portion 12f, 1 of the foot lever 13
He is trying to insert and remove it into each pair of engagement holes 24, 24, 25, and 25 of 3e in the axial direction.

Moreover, a pair of flanges 2 of the slide member 20
At the bottom of 1 and 22, there are door-shaped engaging parts 21a,
22a, and these pair of engaging portions 21a, 2
2a, as shown in FIG. 4, there is a tip 26b of a lever 26, one end 26a of which is fixed to the camshaft 31 of a cylinder lock 30 fixed to the rear of the base 11.
is inserted from behind and the cylinder lock 30 is operated with a key to swing the lever 26 together with the camshaft 31 about the cylinder lock 30, and the axial component of this swing moves the slide member 20 toward the shaft 16.
Displace it in the axial direction.

Now, when the cylinder lock 30 is in the locked state where the key is removed, the slide member 20 is held at the position indicated by the solid line position X in FIG. At this position
24, and the bearing portion 1 of the foot lever 13
3b in the axial direction and engaged, therefore, the operation handle 12 is operated in the unlocking direction as shown by arrow B in FIG. 4. In this case, only the operating handle 12 rotates, the foot lever 13 remains in its locking position, and the locking of the foot lever 13 to the striker 14 is not released.

On the other hand, if it is necessary to take out an article in the trunk from inside the vehicle, the key can be inserted into the cylinder lock 30 from above and the cylinder lock 30 can be operated in the unlock direction. By operating this key, the slide member 20 is slid in the axial direction by the lever 26 interlocked with the camshaft 31 of the cylinder lock 30 to a position Y shown by the imaginary line in FIG. the result,
The pair of engagement pins 23, 23 of the slide member 20 simultaneously engages with both the engagement holes 25, 25 on the foot lever 13 side and the engagement holes 24, 24 on the operation handle 12 side. For this reason, the foot lever 13 and the operating handle 12 are linked in a rotational direction around the shaft 16 so that they cannot rotate relative to each other, and therefore,
When the operating handle 12 is operated in the unlocking direction B against the spring force of the helical spring 16 to the unlocking position A, as shown by imaginary line positions A and B in FIG. The striker 14 is rotated counterclockwise against the spring force of the helical spring 18 to the unlock position, and the striker 14 is unlocked. Therefore, the rear seat can be folded forward as needed, and desired items in the trunk can be taken out.

As is clear from the above description, the present invention has a foot lever that locks a seat striker and an operating handle of the foot lever that are rotatably supported on a shaft, and a lever that is linked to key operation of a cylinder lock. A slide member is provided which slides on the shaft by a cylinder lock, and when the cylinder lock is in the locked position, the lever lever and the operating handle are separated in the axial direction so that they can rotate independently.
To provide a seat lock device for a vehicle, in which a seat lever and an operating handle are linked with each other by a sliding member so that they cannot rotate relative to each other, and the seat can be unlocked by operating the operating handle only when a cylinder lock is operated to unlock the seat. It is something.

Therefore, according to the present invention, the rear seat cannot be folded forward without permission even inside the vehicle.
As long as the trunk is locked, the theft of items in the trunk can be reliably prevented, and the rear seats will not be unlocked inadvertently, making it safer in the event of a sudden stop. There are some advantages to doing so.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of a main part of a conventional vehicle rear seat locking device, FIGS. 2 and 3 are a plan view and a partially cutaway front view of a seat locking device according to an embodiment of the present invention, and FIG. The diagram is in Figure 3-
FIG. 5 is an exploded perspective view of the operating handle, foot lever, and shaft. 11...Base, 12...Operation handle, 13
...Foot lever, 14...Striker, 16...
...Shaft, 20...Slide member, 23, 23
...Engagement pin, 24, 24, 25, 25...Engagement hole, 26...Lever, 30...Cylinder lock.

Claims (1)

[Scope of utility model registration request] a foot lever rotatably supported on a shaft supported by a base and equipped with a hook portion for locking a striker provided on the back of the seat; an operation handle rotatably supported on the shaft; a slide member supported so as to be movable in the axial direction and having a locking part that can be engaged in the axial direction with the engaging part provided on the shaft support of the foot lever and the operating handle; and a cylinder lock attached to the base. , one end is connected to the camshaft of the cylinder lock, and the other end is a lever that engages with the slide member in the direction of sliding the slide member, and when the cylinder lock is in the locked position, the lever is engaged with the lever opposite the operating handle. A seat lock device for a vehicle, wherein the seat lock device is held in a locked position, and when a cylinder lock is unlocked, an operation handle and a lid lever are interlocked by a sliding member.