Gas chromatography mass spectrometer for measuring textile polycyclic aromatic hydrocarbon

The utility model discloses a gas chromatography mass spectrometer for measuring textile polycyclic aromatic hydrocarbon, which comprises a gas chromatography mass spectrometer body, a clamping hook is arranged on one side of the gas chromatography mass spectrometer body, a lifting device is arranged below the gas chromatography mass spectrometer body, and the lifting device is connected with the gas chromatography mass spectrometer body. The lifting device comprises a lead screw, a sliding sleeve, a connecting rod, a driven gear, a stepping motor, a rotating shaft, a driving gear, a limiting pressing block, a connecting block, an elastic supporting rod, a spring, a supporting plate and a lifting groove, the stepping motor is arranged on the upper portion of the interior of the lifting device, the rotating shaft is arranged below the stepping motor, and the driving gear is arranged outside the rotating shaft in a sleeving mode; a lead screw is arranged in the lifting device, the upper end face of the exterior