JPH0130263Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to an automobile seat device, and particularly to an automobile seat device in which a seat back is tiltable with respect to the seat bottom and the seat can be folded and stored. .

(Prior Art) Generally, in a van-type vehicle, the rear seats are folded and stored in a raised position to provide a storage space, and it is possible to load luggage and the like into this space.

However, such rear seats are equipped with a seat bottom lock that locks the seat bottom (that is, the entire seat) to the vehicle floor, and a seat back lock that locks the seat back to the seat bottom. In order to fold and store the seats, two locks had to be released separately, making the process of folding and storing the rear seats cumbersome. Japanese Utility Model Application Publication No. 56-3036 discloses a locking device for a folding seat which simultaneously releases the engagement between the vehicle body floor and the seat and the forward tilting lock of the seat back by operating a lever. However, this device can only be used for seats that do not have a reclining mechanism, and even if this device is used for a seat that is equipped with a reclining mechanism, the seat bag must be folded after the reclining state is released. There was a problem that the folding and storing work was troublesome.

(Purpose of the invention) An object of the invention is to provide a seat device for an automobile that is equipped with a reclining mechanism and can fold and store the seat with good operability.

(Structure of the invention) The automobile seat device of the invention includes a seat bottom that is rotatable around an axis that extends in the vehicle width direction substantially parallel to the vehicle body floor, and a seat bottom-side knuckle plate provided on the seat bottom. A knuckle plate on the seat back side attached via a reclining mechanism that adjusts the rearward tilt angle in multiple steps, a knuckle lever for operating the engagement and disengagement of the reclining mechanism, and a knuckle lever on the seat back side that is swingably supported by the knuckle plate on the seat back side. Seat bag and
A lock plate is attached to the seat bottom and can be freely engaged with and detached from a striker provided on the floor of the vehicle body, a pin part is attached to the seat back, and a lock plate is attached to the knuckle plate on the seat back side and is engaged with the pin part. A lock release lever has a removable hook portion and releases the engagement between the striker and the lock plate, and the lock release lever and the hook portion are connected to each other, and when the lock release lever is operated, the lock release lever is A linkage member that operates in a direction to separate from the pin portion, and a contact portion that is formed on the lock plate and comes into contact with the knuckle lever and operates the knuckle lever in the release direction when the lock release lever is operated. It is characterized by Therefore, according to the present invention, in a seat equipped with a reclining mechanism, by operating the lock release lever, it is possible to release the lock from the vehicle body floor, and also to automatically release the reclined state. With a single touch, the seat bag can be folded forward, making it possible to fold and store the seat with excellent operability.

(Example) Hereinafter, the present invention will be explained with reference to the accompanying drawings.

FIG. 1 is a schematic side view of a van type vehicle equipped with the seat device of the present invention.

A rear seat 2 of a van type automobile 1 is the seat device of the present invention, and a seat back 5 is tiltably connected to a seat bottom 3 attached to a vehicle body floor 7 via a reclining device 4. The front lower part of the seat bottom 3 is supported on the vehicle body floor 2 by a support member 6, and the lower end of this support member 6 is rotatably supported by a mounting bracket 8, so that the seat bottom 3 is connected to the vehicle body floor 2. It is rotatable around an axis substantially parallel to the vehicle width direction.

FIG. 2 is a partially enlarged view of FIG. 1, showing the main parts of the seat device of the present invention.

A pivot 9 is fixed to the seat back 5,
The seat back 5 is swingably attached to a knuckle plate 10 on the seat back side by this pivot 9. The seat back 5 is provided with an engagement pin 11, and the engagement pin 11 is engaged and locked by a lock plate 12 swingably attached to the knuckle plate 10, so that the seat back 5 and the knuckle plate 10 are engaged and locked. are integrated. The lock plate 12 usually has a spring 13
The lock is urged downward by the lock. The knuckle plate 10 is swingably attached to a seat bottom side knuckle plate 14 fixed to the seat bottom 3 by a pivot shaft 15. The sector gear 1 is located at the lower end of the knuckle plate 14 on the seatback side.
6 is provided. A lock gear 17 is swingably attached to the knuckle plate 14 on the seat bottom side, which meshes with the sector gear 16 and fixes the inclination of the knuckle plate 10 on the seat back side. This lock gear 17 is the axis 1
When the knuckle lever 18 pivotally supported by the lock gear 17 is moved upward, the protrusion 17a of the lock gear 17 is guided and interlocked with the window 18a of the knuckle lever 18, and the meshing with the sector gear 16 is released. There is. The knuckle lever 18 is normally biased downward by a spring 20 provided between it and the knuckle plate 14 on the seat bottom side, so that the lock gear 17 can be kept in mesh with the sector gear 16. There is.
A lock plate 21 is swingably provided at the lower end of the knuckle plate 14 on the seat bottom side, and a striker 21 is fixed to the vehicle floor 7.
2 to hold the seat bottom 3 substantially horizontally on the vehicle floor 7. Normally, this lock plate 21 is biased by a spring 23 disposed on the knuckle plate 14 to maintain engagement with the striker 22; By operating the release lever 24,
The engagement with the striker 22 is released. The lock plate 21 has an extended contact portion 21a that comes into contact with one end 18b of the nut lever 18. A connecting wire 25 is passed between the contact portion 21a and the lock plate 12, and as the lock release lever 24 is operated,
Knuckle plate 18 and lock plate 12
are now linked. One end of the spiral spring 26 is fixed to the knuckle plate 14 on the seat bottom side, and the other end is fixed to the spring stop 11a of the knuckle plate 10 on the seat back side. It is biased in the forward direction.
Further, the knuckle plate 10 on the seat back side and the knuckle plate 14 on the seat bottom side are provided with contact pieces 10b and 14a, respectively.
The forward tilting position of the knuckle plate 10 is restricted.

In the automobile seat device configured as described above, the reclining mechanism operates as follows. FIG. 3 is a side view illustrating the reclining mechanism of the seat device of the present invention, and FIG. 4 is a partially enlarged view of FIG. 3.

When the knuckle lever 18 is operated, the engagement between the lock gear 17 and the sector gear 16 is released, and the knuckle plate 10 on the seat back side becomes movable, but the contact portions 10b and 14a are in contact with each other. This restricts forward movement and allows movement only backwards. The seat back 5 is biased forward by the spring 26, but if the seat back 5 is tilted backward against this biasing force and the knuckle lever 18 is returned to an arbitrary position within the tilt adjustment range, the seat back 5 will be tilted at that position.
The slope is locked. To release the reclining state, operate the knuckle lever 18.
The seat back 5 is moved forward by the force of the spring 26 until the contact portions 10b and 14a provided on the knuckle plates 10 and 14 come into contact with each other, and the reclined state is released.

Next, the sheet folding mechanism will be explained.

FIG. 5 is a side view illustrating the folding mechanism of the seat device of the present invention, and FIG. 6 is a partially enlarged view of FIG. 5.

When the lock release lever 24 is operated, the abutting portion 21a of the lock plate 21 is released from the lock lever 18.
The knuckle lever 18 comes into contact with the contact portion 18b of the
Push up lock gear 17 and sector gear 1
The meshing with 6 is released. In this state, the knuckle plate 10 becomes free. The knuckle plate 10 on the seat back side is moved between the knuckle plate 10 and the knuckle plate 1 by the reversing force of the spring 26.
Contact portions 10b and 14a provided at 4 and 4, respectively.
Lean forward as shown by the dashed line in FIG. 5 until they come into contact with each other. When the lock release lever 24 is further pulled up, the lock plate 21 and striker 22 are removed.
At the same time, the lock plate 12 is pulled up by the connecting wire 25, and the engagement between the lock plate 12 and the coupling pin 11 of the seat bag 5 is released, and the seat bag 5 is moved to the position shown by the solid line in FIG. It becomes foldable so that it can be folded. That is, in the present invention, by operating the lock release lever 24, the seat back 5 can be brought into a state where it can be tilted forward with a single touch, regardless of whether the seat back 5 is in the reclined state or not.

(Effects of the invention) In the present invention, by operating the lock release lever, even if the seatback is in a reclining state, the reclining state can be canceled with a single touch, and the seatback can be folded, and the seatback can be folded into a reclined state. Since the engagement can be released at the same time, it is possible to obtain a practically excellent effect that the seat can be folded and stored with extremely good operability.

[Brief explanation of the drawing]

FIG. 1 is a side view of a van-type vehicle equipped with the seat device of the present invention, FIG. 2 is a side view showing the main parts of the seat device of the present invention, and FIG. 3 is a side view of the seat device of the present invention. 4 is a partially enlarged view of FIG. 3; FIG. 5 is a side view illustrating the folding mechanism of the seat device of the present invention;
FIG. 6 is a partially enlarged view of FIG. 5. 1...Van type car, 2...Rear seat,
3... Seat bottom, 4... Reclining device, 5... Seat back, 6... Support member, 7...
...Vehicle body floor, 8...Mounting bracket, 9...Pivot, 10...Knuckle plate, 11...Engagement pin, 12...Lock plate, 13...Spring, 14...Knuckle plate on the seat back side, 15... Axis, 16... Sector gear, 1
7... Lock gear, 18... Knuckle lever,
20...Spring, 21...Lock plate,
22...Striker, 23...Spring, 24
... Lock release lever, 25 ... Connection wire, 2
6...Spring.

Claims (1)

[Scope of utility model registration request] The seat bottom is rotatable around an axis that extends in the vehicle width direction almost parallel to the vehicle floor, and the seat bottom side knuckle plate provided on the seat bottom has a reclining mechanism that adjusts the rearward tilt angle in multiple steps. a knuckle plate attached to the seat back side, a knuckle lever for operating engagement and disengagement of the reclining mechanism, a seat back swingably supported by the knuckle plate on the seat back side, and a knuckle lever attached to the seat bottom;
The vehicle has a lock plate that is detachable from a striker provided on the vehicle body floor, a pin portion attached to the seat back, and a hook portion that is attached to a knuckle plate on the seat back side and is detachable from the pin portion. a lock release lever for releasing the engagement between the striker and the lock plate;
a linkage member that connects the lock release lever and the hook portion and operates in a direction to separate the hook portion from the pin portion when the lock release lever is operated; A seat device for an automobile, comprising: a contact portion that operates the knuckle lever in the release direction when the lock release lever is operated.