The utility model discloses a battery box
locking mechanism based on ball buckle, it is including battery box and box cover, is equipped with the top rod in the battery box, and the top rod includes the globular end head that protrudes outward, is equipped with the fixed sleeve on the box cover, the inboard of fixed sleeve is equipped with the spacing cap that can go up and down activity and the locking spring that can outward jacking spacing cap, the below of spacing cap is equipped with the
steel ball support that is fixedly connected with fixed sleeve, and the
steel ball support includes the support ring that extends to spacing cap and the top rod
insertion hole that axially penetrates the
steel ball support, is equipped with a plurality of through -holes that distribute in sequence along the circumference on the support ring, is equipped with the
ball bearing that can radial activity preset distance in the through -hole, and the
diameter of
ball bearing is greater than the ring body thickness of support ring, and the inner wall of spacing cap forms the annular
ball bearing accommodating groove, and the lower edge of ball bearing accommodating groove forms the spacing part that protrudes to spacing cap inboard. The utility model not only reliable locking relation, but also can hide in the battery box, and also convenient locking and opening when actual operation.