JPH01237278A - Folding motorcycle - Google Patents

Abstract

PURPOSE:To prevent the staining of a power unit by mounting the power unit for driving a rear wheel on one side portion of a body rear portion so as to be positioned between front and rear wheels in a folded condition. CONSTITUTION:A body 1 in which a body front portion 2 and a body rear portion 3 are linked together via a linking shaft 4 is foldable with the linking shaft 4 as the fulcrum. A power unit 26 for driving a rear wheel Wr is mounted on one side on the other side of the supporting pipe 12 of the rear wheel Wr. In order to fold a motorcycle, only a nut 24 is loosened, the body front portion 2 is rotated centering around the linking shaft 4 up to a position where the power unit 26 is interposed between a front wheel Wf and the rear wheel Wr, and the nut 24 is clamped again in the folded condition. Thereby, the power unit can be covered from both sides in a folded condition, without making the interior trim members of a vehicle dirty at the time of loading the motorcycle on the vehicle while also improving the appearance.

Description

[Detailed description of the invention] A1 Purpose of the invention (1) Industrial application fields The present invention relates to a folding motorcycle.

(2) Conventional technology Various types of motorcycles have been realized that have been made compact in order to be able to be loaded onto passenger vehicles etc. when not in use. Sometimes the power unit, which tends to get dirty with lubricating oil, etc., is left exposed, causing the interior of the vehicle to become dirty and the exterior to be unsightly when loaded into the vehicle.

(3) Problems to be Solved by the Invention The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a foldable motorcycle that can be folded so as to cover the power unit.

B1 Structure of the Invention (1) Means for Solving the Problems According to the present invention, the front part of the vehicle body on which the front wheels are suspended and the rear part of the vehicle body on which the rear wheels are suspended are arranged so that the front wheels and the rear wheels are aligned in a straight line in the longitudinal direction. Between the front wheels and the rear wheels when the power unit for driving the rear wheels is rotatably connected between the operating state and the folded state in which the front wheels are placed on one side of the rear wheels, and the power unit for driving the rear wheels is in the folded state. It is mounted on one side of the rear of the vehicle.

(2) Effects According to the above configuration, since the power unit is arranged between the front wheels and the rear wheels in the folded state, the power unit, which tends to get dirty, can be covered by both wheels.

(3) Embodiment Hereinafter, an embodiment of the present invention will be explained with reference to the drawings. First, in FIG. The rear part 3 of the vehicle body is connected via a connecting shaft 4, and is configured to be foldable about the connecting shaft 4 as a fulcrum.

The front portion 2 of the vehicle body includes a head vibro that pivotally supports a steering handle 5 and a connecting frame 7 connected to an intermediate portion of the head vibro. The center portion of the steering handle 5 is rotatably supported by the upper end of a steering shaft 8 which is rotatably supported by a head vibro.

As a result, the steering handle 5 can be rotated as shown by the arrow 9 from the operating state shown by the solid line in FIG. The position of the handle 5 can be fixed. In addition, a front fork 11 is provided at the lower end of the steering shaft 8.
is fixed in a cantilevered manner, and the front wheel Wr is rotatably supported by this front fork 11.

Referring also to FIG. 2, the rear part 3 of the vehicle body includes a support pipe 12 that extends vertically and pivotally supports the rear wheel Wr at its lower end, and a connecting frame 13 that is connected to an intermediate portion of the support pipe 12. Become. A movable pipe 14 is fitted into the upper part of the support pipe 12 so that its position in the vertical direction can be adjusted, and a saddle 15 is provided at the upper end of the movable pipe 14 for a driver to ride on. Moreover, the support pipe 12 is arranged at an angle so that the saddle 15 is located almost directly above the rear wheel W.

In FIG. 3, a connecting ring 16 is fixedly provided at the tip of the connecting frame 7 in the front portion 2 of the vehicle body, that is, at the rear end in the traveling direction of the motorcycle. Further, a connecting ring 17 is fixedly provided at the tip of the connecting frame 13 at the rear part 3 of the vehicle body, that is, at the front end in the traveling direction of the motorcycle. Moreover, the connecting ring 17
are arranged above the connecting ring 16, and the connecting shaft 4 is inserted through these connecting rings 16 and 17. Furthermore, retaining portions 18 and 19 made of butt serrations are provided on both upper and lower end surfaces of the connecting ring 16, respectively, and engaging portions 18 and 19 that can be engaged with the engaging portion 18 of the connecting ring 16 are provided on the lower surface of the connecting ring 17. A section 20 is provided. Furthermore, the connecting shaft 4 has a male thread 21 carved into its upper end, and an engaging collar 22 having an engaging part 23 on the upper surface that can be engaged with the engaging part 19 of the connecting ring 16 in the middle part. It will be permanently installed.

Insert the connecting shaft 4 into the connecting rings 16 and 17 from below, and attach the nut 2 to the male screw 21 that protrudes upward from the connecting ring 17.
By screwing and tightening 4, the engaging portion 23.19;
18 and 20 are engaged, respectively, and the connecting frames 7.13 are connected. Further, at the lower end of the connecting shaft 4, there is provided a step 2 for placing the feet of the driver on the saddle 15.
5 is fixedly installed.

Referring to FIGS. 4 and 5 together, a power unit 26 for driving the rear wheel Wr is mounted on one side of the rear wheel Wr on the opposite side from the support pipe 12. This power unit 26 is connected to an air cleaner 27. It includes an engine body 28, a transmission 29, etc., and the output from the transmission 29 is transmitted to the rear wheels Wr. This power unit 26 is supported by a bracket 30 fixed to the support pipe 12. Moreover, above the power unit 26,
A fuel tank 32 is supported by a support member 31 attached to the support pipe 12 .

Next, to explain the operation of this embodiment, when traveling on a motorcycle, as shown in Figs. 1 to 3,
The front wheel Wf and the rear wheel Wr are arranged on a straight line along the running direction, and in this state, the nut 24 is tightened to firmly connect the front part 2 of the vehicle body and the rear part 3 of the vehicle body to each other. Thus, the driver can ride the saddle 15 and drive the motorcycle.

Next, when folding the motorcycle, as shown in FIGS. 4 and 5, loosen the nut 24 and tighten the front part 2 of the vehicle body to the position where the power unit 26 is sandwiched between the front wheel Wf and the rear wheel Wr. 4 and tighten the nand 24 again in the folded state.

Furthermore, during this folding, the steering handle 5 is also rotated downward.

The motorcycle thus folded can stand up by placing the front wheel Wf, the rear wheel Wr, and the step 25 at the lower end of the connecting shaft 4 on the floor.

Moreover, even in this folded state, the relatively heavy power unit 2
Since the power unit 6 is located between the front wheels Wr and the rear wheels Wr, the stability in the upright state is good, and when the power unit 26 is loaded into a passenger vehicle, oil etc. that adhere to the power unit 26 will be removed from the interior materials of the passenger vehicle. Since the power unit 26, which is relatively easy to get dirty, is not exposed, the product is aesthetically pleasing.

C9 Effects of the Invention As described above, according to the present invention, the front part of the vehicle body that suspends the front wheels and the rear part of the vehicle body that suspends the rear wheels can be used in a usage state in which the front wheels and rear wheels are arranged in a straight line in the longitudinal direction, and in which the front wheels are The power unit for driving the rear wheels is rotatably connected to the folded state located on one side of the rear wheel, and the power unit for driving the rear wheels is located between the front wheels and the rear wheels when the rear wheels are in the folded state. Since it is mounted on one side of the vehicle, the power unit can be covered from both sides in the folded state, and it is possible to avoid staining vehicle interior materials when loaded into a vehicle, and it also has an excellent appearance.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; FIG. 1 is a side view of a motorcycle in use, FIG. 2 is a view taken along the line ■-■ in FIG. 1, and FIG. 3 is a front view of the vehicle body. FIG. 4 is a side view of the motorcycle in a folded state, and FIG. 5 is a view taken along the line V-V in FIG. 4. 2...Front part of the vehicle body, 3...Rear part of the vehicle body, 26...Power unit, wr...Front wheel, Wr...Rear wheel

Claims (1)

[Claims] The front part of the vehicle body that suspends the front wheels and the rear part of the vehicle body that suspends the rear wheels are between a used state in which the front wheels and rear wheels are arranged in a straight line in the longitudinal direction and a folded state in which the front wheels are arranged on one side of the rear wheels. A folding vehicle characterized in that the power unit for driving the rear wheels is mounted on one side of the rear of the vehicle body to be located between the front wheels and the rear wheels when the vehicle is in the folded state. type motorcycle.