Cleaning device for treating waste gas of mass spectrometer oily vacuum pump

The utility model discloses a cleaning device for treating waste gas of an oily vacuum pump of a mass spectrometer, which relates to the technical field of waste gas cleaning and comprises a shell, stripes are symmetrically and fixedly connected to the outer surface of the top of the shell, a sealing cover is in threaded connection with the outer surface of the top of the shell, and anti-skid grooves are symmetrically formed in the outer surface of the bottom of the sealing cover. A leather cushion is fixedly connected to the lower surface of the sealing cover, an exhaust hole is formed in the outer surface of the sealing cover in a penetrating mode, and a waste gas inlet hole is formed in the outer surface of the side, away from the exhaust hole, of the sealing cover. According to the cleaning device for treating the waste gas of the mass spectrometer oily vacuum pump, through cooperative arrangement of a first connecting pipe, a second connecting pipe, a first filtering layer and a second filtering layer, t