Locking mechanism and unmanned aerial vehicle thereof

The embodiment of the utility model relates to the technical field of unmanned aerial vehicles, and discloses a locking mechanism and an unmanned aerial vehicle thereof. The locking mechanism comprises: a mechanism housing; the sliding component is movably assembled on the mechanism shell and can reciprocate between a first position and a second position along a first direction; the locking component is provided with a guide rail extending in the second direction; at least one part of the sliding component is limited to move in the guide rail, so that the locking component is linked with the sliding component; wherein a preset included angle is formed between the first direction and the second direction; when the sliding part moves to the first position, at least one part of the locking part protrudes out of the mechanism shell; and when the sliding part moves to the second position, the locking part is completely accommodated in the mechanism shell. According to the method, when the battery of the unmanned a