Patent ID: 11884147
Assignee: NIO CO., LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B  F  H  Y | IPC B  F  H

Claim 0:
1. A battery securing device, comprising:
a central pull rod;
a first component comprising an inner ring gear;
a second component disposed around the central pull rod, the second component comprising an outer ring gear and a tightening sleeve, the tightening sleeve being fixed inside the outer ring gear, the tightening sleeve being provided with a vertical groove;
wherein the central pull rod is provided with a spline portion to match with the vertical groove, and a spring is sleeved over the central pull rod;
wherein a motion of the central pull rod relative to the assembly of the outer ring gear and the tightening sleeve is locked by the vertical groove matching with the spline portion in the inner ring gear engaging with the outer ring gear forced by the spring; and
wherein the motion of the central pull rod relative to the assembly of the outer ring gear and the tightening sleeve is unlocked with outer ring gear separating from the inner ring gear.