Battery box convenient to install and position

The utility model relates to the technical field of battery boxes, and discloses a battery box convenient to install and position, which comprises a lower shell and an upper shell which is covered with the lower shell to form a battery accommodating cavity, the upper shell and the lower shell are detachably connected, a bolt structure is arranged between the upper shell and the lower shell, and the upper shell and the lower shell are detachably connected. The bolt structure comprises a mounting seat arranged on the lower shell, an inserting groove formed in the mounting seat and a pin block which is arranged on the upper shell and can be matched with the inserting groove in an inserting manner, and a locking mechanism capable of locking or unlocking the pin block is arranged on one side of the pin block; the locking mechanism comprises a locking block telescopically arranged in the mounting seat and an inserting hole or an inserting groove which is formed in one end, far away from the upper shell, of the pin