Novel power lock for electric bicycle

The utility model discloses a novel power supply lock for electric bicycles, which belongs to the technical field of bicycle locks. The novel power supply lock for electric bicycles aims to resolve the problem that the existing power supply lock for electric bicycles is poor in contact performance of contacts of a switch, and is easy to be ablated when using. A rotor which is connected with the lock body of the power supply lock is connected with a cover plate to form a contact type switch having a movable contact and a fixed contact parallelly closed in a way of whole facial contact, an arc section type boss is manufactured on the surface of the cover plate, the movable contact of the rotor is movably engaged and connected with the cover plate, thereby raising the movable contact before rotational contact, and enabling the movable contact to be perpendicularly and parallelly closed with the fixed contact of the cover plate in a way of whole facial contact after passing by the arc section type boss of the cov