Electric nail gun

The utility model relates to the technical field of galvanized iron sheet plugging construction, in particular to an electric nail gun, which comprises a mounting shell and a limiting mechanism used for preventing a rivet from inclining or rebounding to hurt people when a nail gun muzzle is not attached to a nailed object. The nail shooting device has the beneficial effects that before nail shooting operation, a safety ring is rotated, a convex block on the safety ring is separated from a push plate to relieve movement limitation on the push plate, during nail shooting, an attaching plate abuts against a nailed object and pushes a mounting shell, the attaching plate is attached to the mounting plate, a connecting plate pushes the push plate to move, a limiting shaft limits the moving direction of the attaching plate, and the push plate abuts against a clamping frame to ascend; the lower portion of the clamping frame moves out of the trigger to relieve limitation on the trigger, the trigger is pulled to shoot