Efficient sealing gate valve device

The utility model discloses an efficient sealing gate valve device which comprises a gate shell, a gate mechanism and a linear driving mechanism, a gate cavity is formed in the gate shell, and an upper connector and a lower connector which are communicated with the gate cavity are formed in the upper side and the lower side of the gate shell respectively. The inserting plate mechanism comprises a sliding frame, a sealing plate and a lifting transmission part, the sliding frame is slidably installed in the inserting plate cavity in the front-back direction, the sealing plate is arranged in the inserting plate cavity and located on the lower side of the sliding frame, the lifting transmission part comprises a connecting rod, an elastic reset unit and a guide block, and the front lower end and the rear upper end of the connecting rod are rotationally connected with the sealing plate and the sliding frame correspondingly; the two ends of the elastic reset unit are connected with the sealing plate and the sliding