Compressed air filter capable of ensuring air quality

The utility model discloses a compressed air filter capable of guaranteeing air quality, which comprises a mounting box, a first sliding plate is slidably connected to the inner wall of the mounting box, a compressed air filter body is arranged at the upper end of the first sliding plate, and an air cylinder is fixedly connected to the lower end of the first sliding plate. The lower end of the air cylinder is fixedly connected with the inner wall of the mounting box, a clamping column is connected between the first sliding plate and the compressed air filter body through a transmission mechanism, two symmetrically-distributed clamping grooves are formed in the side wall of the compressed air filter body, an air inlet pipe is arranged at one end of the compressed air filter body, and an air outlet pipe is arranged at the other end of the compressed air filter body. An air outlet pipe is arranged at the end, away from the air inlet pipe, of the compressed air filter body. According to the utility model, the com