Water replenishing device for water electrolysis hydrogen production equipment

The utility model relates to the technical field of hydrogen production equipment, and discloses a water replenishing device for water electrolysis hydrogen production equipment, which comprises a filter box body, one side of the filter box body is fixedly connected with a first water delivery pipe, the inside of the first water delivery pipe is rotatably connected with a rotating shaft, and the outer wall of the rotating shaft is fixedly connected with a sealing plate. One end of the rotating shaft is fixedly connected with a worm gear, the worm gear is in meshed connection with a worm, one end of the worm is fixedly connected with a motor, and an air suction machine is arranged on one side of the filtering box body. According to the utility model, the first filter plate, the second filter plate and the third filter plate are arranged in the filter box body, and the filter fillers are arranged on the outer walls of the first filter plate, the second filter plate and the third filter plate to filter water flo