JPH0253254B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a rear seat device for partitioning a vehicle interior and a trunk room in an automobile.

(Prior Art) Conventionally, a structure has been known in which the front part of a trunk room formed at the rear of an automobile is opened, and the seat back of a rear seat provided in this part is folded forward to communicate the interior of the vehicle with the trunk room. It is. The above structure is generally provided so that a latch mechanism that engages the seat bag and the vehicle body is released by a release mechanism to tilt the seat bag forward.

And, since the release mechanism of the seat bag mentioned above is provided to be operated from inside the car,
For the purpose of preventing theft of luggage in the trunk room, etc.
A rear seat backlock device for preventing the seat back from tipping forward has been proposed, for example, in Japanese Utility Model Application No. 59-91932. In this prior art, a lock mechanism is provided between the seat bag and the vehicle body, and this lock mechanism is released by operating a knob to enable the seat bag to be folded forward.
A key cylinder is disposed on the seat bag near the knob, and the locking operation of the key cylinder makes it impossible to release the knob, thereby locking the seat bag.

However, the seat backlock device as described above has a complicated structure and requires a large number of parts, which is disadvantageous in terms of ease of assembly, cost, productivity, etc.

(Object of the Invention) In view of the above-mentioned circumstances, it is an object of the present invention to provide a rear seat device for an automobile that simplifies the structure for locking the seat back of the rear seat that partitions the vehicle interior and the trunk room. .

(Structure of the Invention) The rear seat device of the present invention includes a support portion projecting forward on the vehicle body located corresponding to the upper part of the seat back, and a recess into which the support portion fits into the back surface of the seat back. A stay extending downward from the head rest is inserted and supported through a support hole formed in the upper part of the seat back and the support part, and a key cylinder operated by a key is attached to either one of the head rest or the seat back, and the key cylinder is attached to the other. A hook part is provided that engages with the provided locking part, and the seat back can be tilted by moving the headrest upward, while the seat back is locked by disabling upward movement of the headrest by locking the key cylinder. It is characterized by this.

(Effects of the Invention) According to the present invention, the seat bag is fixed to the vehicle body by simply engaging the stay of the headrest inserted into the upper part of the seat bag with the vehicle body support part, and the headrest is moved upwardly to fix the seat bag to the vehicle body. The seat back can be tilted by releasing the engagement between the stay and the supporting part, and furthermore, by locking the key cylinder, the locking part and the hook part are engaged, making it impossible to move the headrest upward. By making the seat back tiltable and in a locked state, the anti-theft function is reliably obtained, and the structure is simple and has a small number of parts, making it easy to assemble and reducing costs and productivity. This is an advantage.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.
FIG. 1 is an overall side view of the rear seat, FIG. 2 is a cross-sectional side view of the upper part, and FIG. 3 is a cross-sectional front view.

The rear seat 1 consists of a seat cushion 2, a seat back 3, and a headrest 4. The seat back 3 of the rear seat 1 is tiltable, and the seat back 3 is tiltable.
A communication portion 6a that communicates between the vehicle interior and the trunk room 6 is installed at the front of the trunk room 6 in such a manner that the two can be partitioned off by opening and closing.

A bracket 2a formed at the front end of the seat cushion 2 is fixed to the floor 5a of the vehicle body 5 by a fixing screw 7, and the lower end of the seat cushion 3 is rotatably supported by a binge bracket 8. The upper part of the headrest 3 is fixed to a support part 9 projecting forward of the rear package panel 5b of the vehicle body 5 by attaching the headrest 4.

The seat bag 3 is provided with an auxiliary frame 11 inside the upper end of the seat frame 10, and this auxiliary frame 11 is formed in a channel shape, and its upper and lower edges are fixed to the seat frame 10 to form a closed section extending in the lateral direction. , vertically penetrating support holes 12 are formed on the left and right sides, and these support holes 12
A cylindrical guide 13 made of plastic is attached to the holder. Further, a recess 14 is provided on the upper rear surface of the seat bag 3 below the auxiliary frame 11.

On the other hand, the support part 9 is fixed to the front part of the rear package panel 5b above the communication part 6a of the vehicle body 5 and protrudes forward at a part located corresponding to the upper part of the seat back 3. is provided so as to fit into the recess 14 of the seat bag 3. The support portion 9 of the vehicle body 5 has a front end portion formed as a slope, and a support hole 9a is formed in the center portion.

The headrest 4 consists of a main body portion 4a and stays 15 extending downward from the left and right.
is inserted into the support hole 12 of the seat bag 3, that is, the inner hole of the guide 13. An upper pin 16 and a lower pin 17 are fixed to the stay 15 at its upper and lower parts, respectively. The lower pin 17 passes through the guide 13 within the auxiliary frame 11 and can move vertically together with the stay 15, and a spring 18 is compressed between the lower pin 17 and the upper surface of the auxiliary frame 11. The stay 15 is urged in the retracting direction by the urging force of the spring 18, and the headrest 4 is pulled down. Also, this lower pin 17 is connected to the auxiliary frame 11.
It stops when it comes into contact with the inner and lower surface of the On the other hand, the upper pin 16 is fixed to the stay 15 in the upper part of the guide 13 below the headrest main body 4a,
An intermediate portion of a lock lever 20 is engaged with this upper pin 16 from below. The front end of the lock lever 20 is pivotally supported on the upper surface of the auxiliary frame 11 of the seat bag 3, and the rear end is provided with a knob 20a. By operating the knob 20a upward, the stay 15 can be moved against the spring 18. The stay 15, that is, the headrest 4 is moved upward by sliding it in the pulling direction.

Furthermore, the tip of the stay 15 is formed into a tapered surface, and this tip is connected to the support part 9 of the vehicle body 5.
It is formed so that it can be inserted into the support hole 9a.

On the other hand, a key cylinder 21 is provided on one side of the inner panel 24 of the headrest 4, and the hook portion 2 can be opened by operating the key 22 of the key cylinder 21.
1a rotates. A locking portion 23 is provided upright on the upper surface of the auxiliary frame 11 of the seat bag 3 at a position facing the hook portion 21a, and the locking portion 23 and the hook portion 21a of the key cylinder 21 are provided so as to be engageable. .

In addition, in the figure, 25 is cushion rubber, 2
6 indicates a rear package tray.

In the above structure, the seat back 3 of the rear seat 1 is fixed by pressing the seat back 3 against the rear side of the vehicle body 5, and the support portion 9 of the vehicle body 5 fits into the recess 14 on the back surface of the seat back 3, and the stay 15 of the head rest 4 is fixed.
The seat bag 3 is fixed to the vehicle body 5 by engaging the tip of the seat bag 3 with the support hole 9a of the vehicle body support portion 9.

In addition, when the seat back 3 is folded forward to communicate the vehicle interior and the trunk room 6, the lock lever 20 is engaged by operating the knob 20a of the lock lever 20 in the lifting direction as shown by the chain line in FIG. The stay 1 is fixed by the upper pin 16.
5 is lifted together with the headrest 4 against the spring 18, and the tip of the stay 15 is disengaged from the support hole 9a of the vehicle body support portion 9, thereby allowing the seat back 3 to tilt forward.
Note that when you release your hand from the lock lever 20, the stay 15 moves in the retracting direction due to the biasing force of the spring 18 and stops with the lower pin 17 in contact with the auxiliary frame 11. When raising the seat bag 3, the front end slope of the support part 9 and the stay 15 move as the seat bag 3 moves upright.
The stay 15 is brought into contact with the front end tapered surface and moved to engage with the support hole 9a.

The above operation is performed when the key cylinder 21 is unlocked, and if the seat bag 3 is to be made impossible to tilt to prevent theft, etc., insert the key 22 into the key cylinder 21 and operate the rotation. With this locking, the hook portion 21a rotates and its tip engages with the locking portion 23 on the seat bag 3 side. As a result, even if the lock lever 20 is operated, the upward movement of the headrest 4 is prevented by the engagement between the hook portion 21a and the locking portion 23, and the stay 15
The stay 15 cannot be moved upwardly, and the engagement between the tip of the stay 15 and the support part 9 cannot be released, resulting in a locked state in which the seat back 3 cannot be tilted.

According to the above structure, the fixing and locking mechanism of the seat bag 3 to the vehicle body is constructed by using the stay 15 of the headrest 4, which simplifies the structure and provides reliable operation.

In addition, in the above embodiment, the headrest 4
The key cylinder 21 is provided on the seat bag 3 side, and the locking portion 23 is provided on the seat bag 3 side.However, this is conversely changed by providing the locking portion on the headrest 4 side and disposing the key cylinder on the seat bag 3 side. It's okay.

Further, in the above embodiment, the support portion 9 of the vehicle body 5 is provided so as to engage with only one stay 15 of the headrest 4, but a support portion 9 is provided for each stay 15 on both sides. If the engagement is made more secure, the mounting strength of the headrest 4 will be further improved.

[Brief explanation of the drawing]

FIG. 1 is an overall side view partially showing a rear seat device according to an embodiment of the present invention, FIG. 2 is a cross-sectional side view of the upper part of the rear seat, and FIG. 3 is a cross-sectional front view. 1...Rear seat, 2...Seat cushion,
3...Seat back, 4...Headrest, 4a
... Main body, 5 ... Vehicle body, 6 ... Trunk room, 6a ... Communication section, 9 ... Support section, 10 ... Seat frame, 11 ... Auxiliary frame, 9a, 1
2... Support hole, 13... Guide, 14... Recessed part,
15...stay, 16,17...pin, 18...
Spring, 21... Key cylinder, 21a...
Hook part, 22...key, 23...locking part.

Claims (1)

[Claims] 1 Corresponds to the upper part of the seat back in an automobile rear seat device in which a rear seat consisting of a seat back whose seat cushion is tilted forward and a headrest attached to the upper end of the seat back is fixed to the vehicle body and the rear seat partitions the passenger compartment and trunk room. A support portion protruding forward is formed on the vehicle body located at the seat back, and a recess into which the support portion fits is formed on the back surface of the seat bag,
The headrest includes a main body portion and a stay extending downward, and the stay is supported by being inserted into a support hole formed in the upper part of the seat bag and the support portion,
A key cylinder operated by a key is attached to one of the headrest and the seat back, and the key cylinder is provided with a hook portion that engages with a locking portion provided on the other side. Automobile rear seat equipment.