The invention relates to the technical field of electric vehicle frames, and provides a frame assembly with an adjustable backseat, the frame assembly comprises a frame main body, a backseat lifting mechanism and a backseat translation mechanism, the backseat translation mechanism comprises a backseat mounting frame, and two sides of the backseat mounting frame in the width direction are in guide fit with a lifting base in the front-back direction through a sliding rail and a fixed rail; the fixed rail is provided with first locking holes which are distributed at intervals in the length direction of the rail, each first locking hole is elastically connected with a locking block through a tension spring, the upper portion of each locking block is provided with a locking groove, and the sliding rail is provided with second locking holes which are distributed at intervals in the length direction of the rail; each locking block is driven by a locking driving unit; the lower portion of the sliding rail is supported on the elastic assembly, and the sliding rail can slide up and down relative to the fixed rail under the action of the elastic assembly. The electric bicycle backseat overcomes the defects in the prior art, is reasonable in design and convenient to adjust, and solves the technical problem that the front-back distance of an existing electric bicycle backseat cannot be adjusted.
本发明涉及电动车车架技术领域,提供了一种带可调后座的车架总成,包括车架主体、后座升降机构和后座平移机构,后座平移机构包括后座安装框,后座安装框的宽度方向两侧通过滑动轨道、固定轨道与升降基座沿前后方向导向配合,固定轨道开设有沿轨道长度方向间隔分布的第一锁止孔,各个第一锁止孔处分别通过拉簧弹性连接有锁紧块,锁紧块的上部开设有锁紧槽,滑动轨道开设有沿轨道长度方向间隔分布的第二锁止孔;各个锁紧块分别由锁紧驱动单元驱动;滑动轨道的下部支撑于弹性组件上,滑动轨道在弹性组件的作用下能够相对于固定轨道上下滑动。本发明克服了现有技术的不足,设计合理,调节方便,解决了现有的电动自行车后座前后距离不可调的技术问题。
Frame assembly with adjustable rear seat
一种带可调后座的车架总成
2024-03-29
Patent
Electronic Resource
Chinese
Rear seat rear seat back frame and manufcturing method thereof
European Patent Office | 2018
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