Mass spectrometer with dustproof mechanism

The utility model relates to the technical field of mass spectrometry, in particular to a mass spectrometer with a dustproof mechanism, which comprises a base, a fixed box is arranged on the left side of the top end of the base, a protective box is arranged on the right side of the top end of the base, a sealing cover is hinged to the right side of the protective box, and a baffle is arranged on the right side of an inner cavity of the protective box. The left end of the baffle is provided with a guide rod, the outer wall of the guide rod is slidably sleeved with a sliding plate, the bottom end of the sliding plate is provided with a mass spectrometer, the bottom end of the mass spectrometer is in contact with the bottom end of the inner cavity of the protection box, the inner cavity of the fixing box is provided with a pushing assembly, and the pushing assembly extends to the inner cavity of the protection box and is connected with the mass spectrometer. According to the mass spectrometer with the dustproof