JPH09301242A - Seat locking device for motorcycle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seat locking device for motorcycle which permits a seat locking cylinder layout to be conducted appropriately for appearance, spacing and theft prevention for positive theft and mischief prevention. SOLUTION: A key cylinder part 32b in this seat locking device 32 is fixed onto a mounting bracket 30 for a pillion foot rest 28 on the right of a vehicle body. The key cylinder part 32b and a striker part 32a separated from it are jointed to each other through a wire cable 32c disposed along the vehicle body inside surface of a rear frame 16. When the key cylinder 32b is operated by a key, a front seat 24a is released and locked through the cable 32c.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat lock device for a motorcycle.

[0002]

2. Description of the Related Art Conventionally, some motorcycles are equipped with a seat lock key cylinder that locks a seat (seat seat) that can be detached or opened. In the road sports type motorcycle shown in FIG. 6, the locking hook at the front end of the seat a on which the rider is seated is locked to the frame b, and the lower surface of the rear end of the seat a is locked by the seat lock key cylinder c. The seat is locked. In the conventional seat lock key cylinder c, the key cylinder main body c is attached to the rear frame e, or the vehicle is mounted in the rear frame e with a hole d1 formed at the rear end of the cover d and the key hole c1 of the key cylinder c facing the hole d1. It was attached to the rear assist grip that a person holds. When locked, the striker comes out from the key cylinder body c to lock the seat.

On the other hand, in American type motorcycles, all seats have been fixed so far, and it is not necessary to attach and detach them. Therefore, a seat lock key cylinder is not provided. However, even in this type of motorcycle, it is desired that the seat can be attached / detached in order to improve the storability and maintainability. Therefore, it is necessary to adopt the seat lock key cylinder.

[0004]

However, in the above-mentioned American type motorcycle, since there is neither a seat tail cover nor a rear grip, there is a problem in that it is difficult to lay out the seat lock key cinder from the standpoint of space. there were.

In addition, in order to prevent theft or tampering, in a type having a seat tail cover, a key cylinder may be provided at the back of the tail cover or a key hole cap may be provided. There was also a problem that the American type could not take such measures.

Regarding the seat lock device for motorcycles, the applicant has already proposed that a striker for locking the rear end of the seat and a key cylinder are separately provided and operated by connecting with a Bowden wire. (JP-A-4-
372483). However, this technology discloses a scooter type motorcycle having a seat tail cover provided with a seat lock, and cannot solve the above problems.

The present invention has been made to solve the above-mentioned conventional problems, and the layout of the seat lock sealer can be appropriately performed in terms of appearance, space, and prevention of theft. An object of the present invention is to provide a seat lock device for a motorcycle that can sufficiently prevent theft and tampering.

[0008]

The present invention has the following constitution in order to solve the above problems. The invention of claim 1 is a seat lock device for locking a seat of a motorcycle,
The seat lock device has its key cylinder fixed to the mounting bracket of the pillion footrest, and
The striker part, which is separate from the key cylinder part, releases and locks the seat by operating the key to the key cylinder part, and the pillion footrest tilts along the vehicle body when folded. The seat lock device for a motorcycle according to claim 1, wherein a key cylinder portion is provided at a position where the key hole of (1) overlaps the pillion footrest when folded in a side view.

According to the invention of claim 1, the key cylinder portion of the seat lock device is fixed to the mounting bracket of the pillion footrest, and the striker portion separate from the key cylinder portion is operated by a key to the key cylinder portion. Since the key is released and locked, the keylinder part and the striker part can be attached without any problems in layout.

Further, the pillion footrest tilts along the vehicle body when folded, and the key cylinder part is provided in a position where the key hole of the key cylinder part overlaps the pillion footrest at the time of folding in a side view. Therefore, it is possible to effectively and reliably prevent theft and mischief without taking special measures against theft and mischief in the key hole of the key cylinder.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 is an explanatory view of a motorcycle equipped with a seat lock device 32 according to an embodiment of the present invention, FIG. 2 is a side view of a main part of the seat lock device 32 in a mounted state, FIG. 3 is a perspective view of the same, and FIG. The enlarged view and FIG. 5 are views taken in the direction of arrow A in FIG.

As shown in FIG. 1, the motorcycle is of American type. The main frame 10 for suspending the engine 8 is of a cradle type, and the tank rail 14 extends obliquely downward from the head pipe 12,
Connected to the rear frame 16. A fuel tank 18 is fixed to the tank rail 14 in a straddling manner, and a pivot frame 20 extends downward from a substantially rear end position of the fuel tank 18 of the tank rail 14.
A rear fender 22 is fixed to the rear frame 16 so as to cover the rear wheel 26.

A front seat (driver's seat) 24a is detachably provided from the rear end of the tank rail 14 to the upper portion of the rear frame 16, and the front part of the front seat 24a is on the upper edge of the tank rail 14. The upper part of the rear fender 22 is formed in an upward slope, and the rear part is formed in a shape along the upper surface of the rear fender 22 with a slight arc, and is formed in a rear upward slope. Further, a rear seat (pillion seat) 24b is placed and fixed on the upper part of the rear fender 22.

A pillion footrest 28 is foldably fixed by a mounting bracket 30 at the center of the rear frame 16 and in front of the rear wheel 26. That is, as shown in detail in FIGS. 4 and 5, the mounting bracket 30 projects rearward and is fixed to the rear frame 16 by welding.
The mounting bracket 30 includes a pillion footrest 28.
The support shaft portion 28a is attached and fixed.

In the pillion footrest 28, a footrest member 28b which is a footrest member is rotatably connected to the support shaft portion 28a. The footless member 28b
In use, a state in which the vehicle is extended toward the side of the vehicle body as shown by reference numeral 28b1 in FIGS. 4 and 5 is a state in which a seated occupant can place his / her feet. Further, when folded, as indicated by reference numeral 28b2, the support shaft 28b is bent upward and tilted in a direction along the vehicle body. The connecting portion 28c between the support shaft portion 28a and the footrest member 28b has a structure for maintaining the above-mentioned use and folding.

The seat lock device 32 of the embodiment locks the front seat 24a. In the front seat 24a, a locking hook provided on the bottom surface of the front end is locked to the main frame 10 (tank rail 14), and a rear end is fixed to the rear frame 16 by a bridge member 34a (a locking piece 32a1). Moves up and down)
Fix with.

That is, the seat lock device 32 has its key cylinder portion 32b fixed to the mounting bracket 30 of the pillion footrest 28 on the right side of the vehicle body. In this case, as shown in FIGS. 3 and 4, and between the key cylinder portion 32b and the separate striker portion 32a, the wire cable is arranged along the inner surface of the vehicle body of the rear frame 16. It is connected by 32c. When the key cylinder portion 32b is operated by a key (not shown), the front seat 24a is released and locked via the cable 32c.

The key cylinder portion 32b is provided so that the position of the key hole 32b1 of the key cylinder portion 32b overlaps the pillion footrest 28 (footrest member 28b) when folded in the side view.

Therefore, in the embodiment, the key cylinder portion 32b of the seat lock device 32 is fixed to the mounting bracket 30 of the pillion footrest 28, and the striker portion 32a separate from the key cylinder portion 32b is connected to the key cylinder portion 32b. Locking piece 32 by key operation
Since the a1 moves up and down to release and lock the front seat 24a, the key linder portion 32b and the striker portion 32a can be attached without a layout problem.

Further, the pillion footrest 28 tilts along the vehicle body when folded, and the key cylinder 32b1 has a key hole 32b1 positioned so as to overlap with the pillion footrest 28 when folded in a side view. The portion 32b is provided. Therefore, the position of the cylinder portion 32b is difficult to understand except for the owner of the motorcycle, and it is possible to effectively and surely prevent theft and mischief without taking special measures against theft and mischief in the key hole 32b1 of the key cylinder portion 32b.

Further, the appearance can be improved by placing the key cylinder portion 32b on the back side (vehicle body side) with the pillion footrest 28 folded. Further, since there is no dedicated bracket for mounting the key cylinder portion 32b and it also serves as the mounting bracket 30 for the pillion footrest, there are great advantages in terms of cost and space.

Further, since the key cylinder portion 32b is located on the back side of the bracket 30, it is difficult to move the wire from the outside in the vicinity of the bracket 30, and since the wire cable 32c runs along the back side of the frame 10, the wire cable 32c is also from the outside. It is difficult to move the wire cable 32C, and thus it is possible to reliably prevent the mischief such as forcibly moving the wire cable 32C.

In the above-mentioned embodiment, the American type motorcycle is exemplified, but it can be also applied to other types of motorcycles (sport type, racer type, scooter type, etc.).

[0024]

As described above, according to the present invention, the key linder portion and the striker portion can be attached without a layout problem. In addition, theft and mischief can be effectively and reliably prevented without taking special measures against theft and mischief in the key hole of the key series. In addition, it is hidden when the footrest is folded, improving the appearance. In addition, there is no dedicated bracket for mounting the key cylinder part, and it also serves as the mounting bracket for the pillion footrest, which has great cost and space advantages.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of a motorcycle equipped with a seat lock device according to an embodiment of the present invention.

FIG. 2 is a side view of a main part of the seat lock device in an attached state.

FIG. 3 is a perspective view of a seat lock device.

FIG. 4 is an enlarged side view of the seat lock device.

FIG. 5 is a view in the direction of arrow A in FIG. 4;

FIG. 6 is an explanatory view of a conventional seat lock device.

[Explanation of symbols]

 10 main frame 14 tank rail 16 rear frame 22 rear fender 24a front seat 24b rear seat 28 pillion footrest 28a support shaft portion 28b footrest member 28c connecting portion 30 mounting bracket 32 seat locking device 32a striker 32b key cylinder portion 32c wire cable

Claims (1)

[Claims] 1. A seat lock device for locking a seat of a motorcycle, wherein the key cylinder part of the seat lock device is fixed to a mounting bracket of a pillion footrest, and
The striker part, which is separate from the key cylinder part, releases and locks the seat by operating the key to the key cylinder part, and the pillion footrest tilts in the direction along the vehicle body when folded. A seat lock device for a motorcycle, wherein a key cylinder portion is provided at a position where a key hole of the key hole overlaps with the pillion footrest when folded in a side view.