Explosion-proof power supply

The invention belongs to the technical field of power supply equipment and in particular relates to an explosion-proof power supply. The explosion-proof power supply comprises a box body; a placing cavity with one open side is formed in the box body; a box cover is hinged to one side of the box body; two supporting columns are welded on one side, far away from the box body, of the box cover; a movable plate is arranged in the placing cavity; four first sliding rods are welded at the top of the movable plate; each two of the four first sliding rods are symmetrically arranged; a same supportingplate is slidingly arranged on the four first sliding rods in a sleeving manner; four first springs sleeving the corresponding first sliding rods are fixedly connected to the bottom of the supportingplate; and the bottom ends of the four first springs are all fixedly connected with the top of the movable plate. According to the explosion-proof power supply, the structure is simple; the practicability is high; a power supp