Vacuum sterilizer

The utility model discloses a vacuum sterilizer, which comprises a sterilizing chamber, wherein the left side of the sterilizing chamber is provided with a vacuumizer and a high temperature and high pressure generator, the front end of the sterilizing chamber is provided with an inlet, the front end of the inlet of the sterilizing chamber is provided with a frame body, a channel is arranged between the frame body and the sterilizing chamber, an air-tight door is arranged in the channel, used for sealing the inlet of the sterilizing chamber, and provided with a seal ring, the upper part of the air-tight door is integrally provided with a rack, the top of the sterilizing chamber is provided with a gear meshed with the rack, the gear is driven to rotate by a motor, a position at the front end of the frame body and corresponding to the position of the inlet is provided with a feed slide rail, a sterilizing vehicle is slidably arranged on the feed slide rail, multiple settling concave holes are respectively arranged at the circumferential edge of the air-tight door, multiple sealing knockout pins pushed by an air cylinder are respectively arranged on the inner wall of the frame body and corresponding to the positions of the settling concave holes of the air-tight door, and the right side of the sterilizing chamber is also provided with a main control box. By adopting the structure above, an effect of simple structure and capability of vacuumizing for improving the sterilization effect is achieved.