Power steering system for all-terrain buggy vehicle
A power steering system of an all-terrain buggy vehicle is provided to protect a power assist motor against obstacles encountered during traveling on the irregular ground, or the like. In a power steering system of a four-wheeled buggy vehicle in which a steering shaft rotated in response to the operation of a handlebar is disposed forward of an engine located at the almost-middle in the back-and-forth direction of a body frame, and the rotary shaft of a power assist motor is disposed perpendicular to the steering shaft, the power assist motor is located inside the body frame.
1. A power steering system for an all-terrain buggy vehicle, comprising:
a steering shaft rotated in response to operation of a handlebar, the steering shaft being disposed forward of an engine located near a middle in a back-and-forth direction of a body frame; and
a power assist motor having a rotary shaft disposed perpendicular to the steering shaft;
wherein the power assist motor is located inside the body frame in a position rearward of the steering shaft,
wherein a left arm support member is provided on a left portion of the body frame, and a right arm support member is provided on a right portion of the body frame,
the left and right arm support members being adapted to suspend a front wheel in the body frame,
wherein an axis CM of the power assist motor is in vicinity of a centerline of a vehicle body in a widthwise direction thereof, and is disposed perpendicular to an axis CS of the steering shaft.
2. The power steering system for an all-terrain buggy vehicle according to claim 1 , wherein the power assist motor is disposed obliquely with respect to the back-and-forth direction of a vehicle body as viewed from above.
3. The power steering system for an all-terrain buggy vehicle according to claim 1 , wherein the power assist motor is disposed rearward of a front wheel suspension.
4. The power steering system for an all-terrain buggy vehicle according to claim 2 , wherein the power assist motor is disposed rearward of a front wheel suspension.
5. The power steering system for an all-terrain buggy vehicle according to claim 1 , wherein the power assist motor is disposed above the arm support member.
6. The power steering system for an all-terrain buggy vehicle according to claim 2 , wherein the power assist motor is disposed above the arm support member.
7. The power steering system for an all-terrain buggy vehicle according to claim 3 , wherein the power assist motor is disposed above the arm support member.
8. A power steering system for an all-terrain buggy vehicle, comprising:
a steering shaft rotated in response to operation of a handlebar, the steering shaft being disposed forward of an engine located near a middle in a back-and-forth direction of a body frame; and
a power assist motor having a rotary shaft disposed perpendicular to the steering shaft;
wherein the power assist motor is located inside the body frame between right and left gusset pipes,
wherein the right gusset pipe is provided with a right arm support member, and the left gusset pipe is provided with a left arm support member,
the right and left arm support members being adapted to suspend a front wheel in the body frame.
9. The power steering system for an all-terrain buggy vehicle according to claim 8 , wherein the power assist motor is disposed rearward of the steering shaft and obliquely with respect to the back-and-forth direction of a vehicle body as viewed from above.
10. The power steering system for an all-terrain buggy vehicle according to claim 8 , wherein the power assist motor is disposed rearward of a front wheel suspension.
11. The power steering system for an all-terrain buggy vehicle according to claim 9 , wherein the power assist motor is disposed rearward of a front wheel suspension.
12. The power steering system for an all-terrain buggy vehicle according to claim 8 , wherein the power assist motor is disposed above the arm support member.
13. The power steering system for an all-terrain buggy vehicle according to claim 9 , wherein the power assist motor is disposed above the arm support member.
14. The power steering system for an all-terrain buggy vehicle according to claim 10 , wherein the power assist motor is disposed above the arm support member.
15. The power steering system for an all-terrain buggy vehicle according to claim 8 , wherein an axis CM of the power assist motor is in vicinity of a centerline of a vehicle body in a widthwise direction thereof, and is disposed perpendicular to an axis CS of the steering shaft.