Visual window sample introduction device of mass spectrometer

The utility model belongs to the technical field of mass spectrometers, and discloses a visible window sample introduction device of a mass spectrometer, which comprises a sample introduction device body, the suction mechanism is fixedly mounted at the bottom end of the inner end of the sample injector body; the conveying pipe is fixedly communicated with the middle part of the top end of the sample injector body; the placement frame is movably mounted at the bottom of the inner cavity of the sample injector body, and sliding assemblies are arranged on two sides of the placement frame; the pulling assembly is arranged on one side of the sliding assembly and comprises a fixing rod, and the fixing rod is fixedly installed on one side of the sliding assembly. By arranging the connecting rods and the connecting blocks, the rotating shaft can drive the mounting wheel to rotate by starting the driving motor, so that the transmission belt moves, and the two connecting blocks and the moving block are driven to integr