Sealing device of internal combustion engine of forklift

The invention relates to the technical field of internal combustion engines of forklifts, and discloses a sealing device of an internal combustion engine of a forklift, which comprises a fixed flow guide mechanism, an air pressure cleaning mechanism, an air pressure anti-dust-attachment mechanism and a dust blocking mechanism are fixedly mounted in the fixed flow guide mechanism, the air pressure anti-dust-attachment mechanism is located between the air pressure cleaning mechanism and the dust blocking mechanism, and the air pressure cleaning mechanism is located between the air pressure cleaning mechanism and the dust blocking mechanism. A pressure storage mechanism is arranged at one end of the fixed flow guide mechanism, a backflow filtering mechanism is arranged in the pressure storage mechanism, a one-way air inlet mechanism is arranged on one side of the pressure storage mechanism, and an air compression mechanism is arranged at the top of the pressure storage mechanism. According to the sealing device