JPS6288679A - Seat device for car - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a seat device for a vehicle such as a two-wheeled motor vehicle, which is equipped with a front seat and a rear seat.

[Prior Art] Conventionally, in a motorcycle, a front seat and a separate rear seat are placed on a pair of left and right seat rails that make up an 11-integrated frame, and both seats are mounted independently. It is known that the seat rail is fixed to the seat rail using the same fixing means (see Japanese Utility Model Publication No. 111155/1983).

[Problems to be Solved by the Invention] However, when one stage of independent fixed seats is provided as described above, two fixing means are required, which complicates the structure and makes it difficult to attach and detach one seat. It is necessary to operate each fixing means, which has the disadvantage that attachment and detachment operations are troublesome.

The present invention has been made in order to eliminate the above-mentioned drawbacks of the prior art, and an object of the present invention is to provide a vehicle seat device that has a simple structure and is easy to attach and detach.

[Means for Solving the Problems] In order to achieve the second object, the present invention provides a locking mechanism that locks the curved portion of the front seat to the vehicle body by moving the front seat forward along the seat rail. The front seat is positioned on the vehicle body by a locking mechanism and a stopper member that comes into contact with the rear part of the front seat locked by the locking mechanism and prevents the front seat from moving rearward, and then the front end of the rear seat is By locking the rear seat in a predetermined position with the locking device while the
The structure is such that the rear end of the front seat I/II is prevented from rising uphill, and the front seat is also locked.

[Function] In this invention, when fixing both seats to the vehicle body,
First, by moving the front seat forward along the seat rail, the front part of the front seat is engaged with the vehicle body via the locking mechanism, while the rear part of the front seat is attached to the stopper bracket. to prevent the front seat from moving backwards.Next,
With the front end of the rear seat attached to the L surface of the rear end of the front seat, lock device t! i locks the rear seat in place. In other words, the rear end portion of the front seat is pressed against the vehicle body by the rear seat and is prevented from lifting up. Therefore, the front seat cannot be removed unless the rear seat locking device is released and the rear seat is removed.

To remove both seats from the vehicle, perform the operations in reverse order.

In this way, both the rear seat and the front seat can be locked by providing only one locking device, which is a fixing means, on the rear seat.

[Example] An example of the present invention will be described below with reference to the drawings.

In Figure i1, the vehicle body frame 11 has a head vibe 1
2. Main tube 13. Each of these includes a pair of left and right upper tubes 14, a seat rail 15, a lower tube 16, and the like. A fuel tank 17 is installed in the main tube 13 and the upper tube 14.
It is fixed by a fixing means (not shown). On the other hand, the front seat 21 is attached to the pair of left and right seat rails 15.
The front seat 21 and the rear seat 2 are placed in a state where the front end of the rear seat 22 is in contact with the L surface of the rear end of the front seat 21.
It is fixed to the vehicle body by a mechanism similar to two hooks.

First, the bottom plate 23 of the front seat 21 has a locking protrusion 24 formed at the front thereof, and this locking protrusion 24 is attached to the rear of the fuel tank 17 as shown in FIG. The front portion of the front seat 21 is positioned by inserting it into a provided locking recess 25 and locking it. L
The locking projection 24 and the locking recess 25 form the locking mechanism of the present invention. Note that the locking recess 25 may be provided in the vehicle body frame 11.

As clearly shown in Fig. 3, the rear part of the front seat 21 is in contact with a bracket 26 for the seat and collar that is welded to the seat rail 15, and this prevents the front seat from moving rearward. is being prevented. Positioning of the front seat 21 in the left-right direction of the vehicle body in FIG.

A plurality of load bearing brackets 27 are fixed to the bottom plate 23, and these brackets 27 are connected to the seat rail 1.
5 supports the load of the front seat 21.

The rear seat 22 has a bottom plate 2 as shown in FIG.
A bracket 30 for the load receiver and two brackets 31 for locking are fixed to the curved part 9, and a bracket 32 for the load receiver and two retainers having a protrusion 33 for a stopper at the tip are fixed to the rear part. The stand 34 and a lock claw 36 forming part of the locking device 35 are fixed.

On the other hand, two locking pieces 37 are fixed to the bracket 26 for the stopper marked "-", and at the same time the locking bracket 31 is locked to the locking +h pieces 37 (see Fig. 3). , the load receiver brings the river bracket 30 into contact with the upper surface of the stopper bracket 26. Also, seat rail 1
A rear bridge 39 is fixed to the rear end of the vehicle 5 by welding.

At the same time as the protrusion 33 of the seat 22 marked - is engaged with the engagement hole 48 provided in the rear bridge 39, the load receiver brings the bracket 32 of the load receiver into contact with the upper surface of the rear bridge 39. In this way, the load receiver supports the load of the rear seat 22 by the load receiver 30.32,
The rear seat 22 is positioned by the bracket 31 and projection 33 for the engagement member 11-.

In addition to the lock claw 36, the lock device 35 includes a cylinder lock 41. which is operated by a key. A support plate 42 formed on the cylinder lock 41, a lever 43 that rotates in conjunction with the operation of the cylinder lock 41, a pair of left and right movable plates 44, one end of which is locked to the lever 43, It has a rod 46 whose other end is locked in a long hole 45 provided in one of the movable plates 44, and a lock par 47 suspended between the pair of movable plates 44. 1- The support plate 42 of the cylinder lock 41 is fixed to the ζ1 bracket 51 identified on the seat rail 15 with screws 52, and the movable plate 44 is fixed to the mounting bracket 53 that is sunk into the rear bridge 39. A spring 55 attached to the stepped port 54 always applies a spring force in a counterclockwise direction 56.

- In configuration h, the two sheets 21.22 of FIG.
When attaching the front seat 21 to the vehicle body, first move the front seat 21 forward along the seat rail 15 in a slightly forward downward position, and insert the locking protrusion 24 of the front seat 21 into the vehicle inspection recess 25 of the fuel tank 17. By doing so, the front part of the second front seat is
(Latch it to your body. From this state, the front seat 21
The rear part of the front seat 21 is pushed down and brought into contact with the bracket 26 of Sui-Tsubagawa, thereby preventing the front seat 21 from moving rearward. This allows the front seat 21 to be positioned in the longitudinal direction. At the same time, the bracket 27 of the front seat 21 comes into contact with the seat rail 15 and supports the load of the front seat 21. As described above, the front seat 21 is positioned in the left-right direction of the vehicle body by bringing a stopper piece (not shown) fixed to the bottom plate 23 into contact with the side surface of the seat rail 15.

Next, the rear seat 22 is moved from the rear toward the front, also in a slightly forward-down position, and as shown in FIG.
The rear seat 22 is attached to the locking piece 37 fixed to the stopper bracket 26 while the rear seat 22 is in contact with the upper surface of the rear end.
Attach the bracket 31 for the attachment W. When the rear part of the rear seat 22 is pushed down from this state, the tapered surface 36a formed at the tip of the lock pawl 36 of the lock device 35 shown in FIG. Clockwise 58 against the spring force
Accordingly, the locking member 47 moves forward, and the engaging portion 3 above the tapered surface 36a of the locking pawl 36
6b. As a result, a locked state is obtained in which the lock cannot be removed from the vehicle body by mere external force. When the movable plate 44 rotates 588 times clockwise, the rod 46 slides within the elongated hole 45 of the movable plate 44, so that the rotational force of the movable plate 44 is not transmitted to the lever 43.

At the same time that the above locked state is obtained, the rear seat 22
The protrusion 33 of the rear bridge 39 engages with the engagement hole 40 of the rear bridge 39 to position the rear seat 22, and the load receiving bracket 30 is placed on the upper surface of the bracket 26, and the load receiving bracket 32 is placed on the rear side. The load of the rear seat 22 is supported by contacting the upper surface of the bridge 39, respectively. With this adult fish, the rear end of the front seat 21 in FIG. 3 is pressed toward the front end of the rear seat 22, thereby preventing it from floating up. In other words, the front seat 21 is completely fixed to the vehicle body and is in a locked state in which it cannot be separated from the iV body by mere external force.

Next, when removing the two seats 21 and 22 from the vehicle body, first remove the rear seat 22.

When removing the rear seat 22, use the locking device i! shown in FIG. Rotate the cylinder lock 41 of the LT 35 in the unlocking direction using the key. As a result, the lever 43 rotates in the clockwise direction 60, and the O7 moving plate 4 is rotated via the rod 46.
4 also rotates in the clockwise direction 58, and the locking member 47 fixed to the movable plate 44 moves forward and disengages from the engaging portion 36b of the locking pawl 36. In other words, the state is jπ; in which the lock is released. In this state, pull the rear part of the rear seat 22 upward to disengage the protrusion 33 of the rear seat 22 from the engagement hole 40 of the rear bridge 39, and then pull the entire rear seat 22 diagonally rearward and upward to remove the locking bracket. ) 31 from the locking piece 37, and remove the rear seat 2.
Remove 2 from the vehicle body.

When the rear seat 22 is removed, the front seat 21
Since the rear end of the front seat 21 is opened, the front sea (21) is also unlocked. Therefore, when the front seat 21 is moved rearward while slightly lifting the rear part of the front seat 21 shown in FIG. The front seat 21 is removed from the heavy object.

In this way, the two seats 21 and 22 are firmly fixed to the vehicle body by the locking device 35 provided on the front seat 21 side, so there is no need to provide a locking device on the front seat 21 side, which reduces the number of parts. and the structure becomes simpler. Furthermore, by operating the one locking device 35 to attach and detach the rear seat 22, the front seat 21 can also be attached and detached.
22 becomes easy to attach and detach.

In addition, the lock claw 36 of the lock device 35 and the lock par 47
This engagement strengthens the engagement force with the rear seat 22.
If you also position the rear seat 22
Bracket 31 for locking, locking piece 3 of bracket 26
7. The protrusion 33 of the rear seat 22 and the rear bridge 3
It is also possible to omit the engagement hole 40 of No.9.

[Effects of the Invention] As described above, according to the present invention, only one locking device is required for locking both the front seat remover and the seat, which reduces the number of parts and simplifies the structure. Furthermore, since the front I seat and the rear seat can be attached and detached by operating only one locking device, the attachment and detachment operations are facilitated.

[Brief explanation of drawings]

FIG. 1 is a side view showing one embodiment of the present invention, and FIG. 2 is an exploded perspective view showing a part of the same embodiment. FIG. 3 is a partially sectional side view showing the main parts of the same embodiment, and FIG. 4 is an exploded perspective view showing the main parts. 11... Vehicle body frame, 15... Seat rail, 2
1...Front seat, 22...Rear seat, 24
．． 25... Locking mechanism, 26... Bracket for stopper, 35... Locking device. Figure 2 Figure 3

Claims (1)

[Claims] (1) In a vehicle seat system in which a front seat and a rear seat are attached to a pair of left and right seat rails that make up the vehicle body frame, the front part of the front seat is moved from the vehicle body by moving the front seat forward along the seat rails. a locking mechanism that locks the front end of the rear seat; a stopper bracket that contacts the rear of the front seat locked by the locking mechanism to prevent the front seat from moving rearward; and a stopper bracket that stops the front end of the rear seat from moving rearward. A vehicle seat device comprising a locking device that locks a rear seat in a predetermined position when the rear seat is pressed against the upper surface of the rear end.