A kind of skeleton inclination prevention structure of electric bicycle comprising: a pony sill and a cushion frame； Wherein cushion frame system and pony sill form pivot joint connection, and a railroad and a buffer unit are equipped between pony sill and cushion frame, when causing the pendulum actuation of cushion frame what pony sill uplink pivot, cushion frame system, which can slide forward a distance and use, to be changed outside position of centre of gravity, also the effect of limit can be generated to the angle of cushion frame recliner, and then cushion frame is effectively prevented from because of the change of excessive recliner and center of gravity, and the danger for causing vehicle to overturn toward Hou.一種電動代步車之骨架防傾結構，其包括：一底座架及一坐墊架；其中坐墊架係與底座架形成樞接連結，且底座架及坐墊架間設有一滑軌裝置及一緩衝裝置，致坐墊架於底座架上行樞擺作動時，坐墊架係可往前滑移一距離藉以改變重心位置外，亦可對坐墊架傾躺的角度產生限位的作用，進而有效地避免坐墊架因過度的傾躺及重心的改變，而導致整車往後翻覆的危險。
