Automatic Dust Sampler

The utility model discloses an automatic dust sampler. The sampling head comprises a sampling box body, a fixed bearing seat, a sampling head body, a sealing washer and an exhaust pipe, fixed bearingseats are fixed on the side edge of the bottom end of the sampling box body and in the sampling box body; the top gear is connected with the bottom of the sealing cover plate; a positioning groove isformed in the sealing cover plate, a clamping groove is formed in the top of the sampling box body, a collecting window is formed in the front face of the sampling box body, an inserting groove is formed in the middle of the sampling box body, a sampling head body is installed in the inserting groove, a sealing gasket is fixed to the side of the inserting groove, and an exhaust pipe is installed on the rear side of the sampling box body. Automatic dust sampler, due to the adoption of the novel structural design, the sampling head can be conveniently disassembled and assembled, dust interceptedby a filter membrane on the sampling head can be conveniently collected, the sampling head can be effectively positioned and fixed, the sealing performance of the device is ensured when the air exhaust structure exhausts air in cooperation with the sealing structure, the collection efficiency is improved, and energy waste is reduced.