The invention discloses a folding crank, which comprises a crank main shaft, a connecting handle and a locking mechanism, one end of the crank main shaft is provided with a first concave-convex surface, one end of the connecting handle is provided with a second concave-convex surface, the first concave-convex surface is matched with the second concave-convex surface, and the locking mechanism is used for installing the connecting handle on the crank main shaft in an elastic way. The folding crank is convenient to operate and reliable in structure.
本发明公开一种折叠曲柄,包括曲柄主轴、连接柄和锁紧机构,所述曲柄主轴一端设有第一凹凸面,所述连接柄的一端设有第二凹凸面,所述第一凹凸面和第二凹凸面配合,所述锁紧机构用于将连接柄可松紧地安装于曲柄主轴上。本发明提供的折叠曲柄,操作方便、结构可靠。
Folding crank
一种折叠曲柄
2021-04-30
Patent
Electronic Resource
Chinese
IPC: | B62K Fahrräder , CYCLES |