Steering mechanism and electric mobility vehicle

WO2025057782A1 Publication Date: 2025-03-20WHILL
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Patent Information

Application Number
PCT/JP2024/031217
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-09-12
Filing Date
2024-08-30
Publication Date
2025-03-20

AI Technical Summary

Technical Problem

In the configuration of electric vehicles, it is difficult to achieve the intersection of the central axles of the front and rear wheels in the middle position, resulting in unsmooth super-revolutionary movement.

Method used

A -steering mechanism is designed, which can adjust the steering angle of the inner and outer wheels, so that the steering angle of the inner wheel is between 40° and 45°, and when the steering angle of the outer wheel is 90° or more, the difference in the steering angle of the outer wheel reaches five times or more. The mechanism includes a rotatable central axis, a torsion rod arm connecting the central axis and the front wheel, a pair of rotatable front wheel shafts and corresponding paddle arms.

Benefits of technology

It realizes smooth steering of electric vehicles in the super-revolutionary movement, improving steering accuracy and stability.

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Abstract

This steering mechanism for steering a pair of front wheels (10) of an electric mobility vehicle is configured to be capable of steering an inner wheel and an outer wheel such that a steering angle difference between an inner wheel steering angle, which is the steering angle of the inner wheel, and an outer wheel steering angle, which is the steering angle of the outer wheel, when the inner wheel steering angle is a second angle, which is any angle in a range of 90° or more, is at least five times the steering angle difference when the inner wheel steering angle is a first angle, which is any angle in a range of 40° to 45°.
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