Transmission device and single cell sequencer comprising same

The invention discloses a transmission device and a single cell sequencer comprising the same, the transmission device comprises a power source, the power source is provided with a rotary output shaft, and the transmission device further comprises a connecting assembly, a sealing assembly and a guide assembly. The input end of the connecting assembly is connected with an output shaft of the power source; the sealing assembly is formed at the output end of the connecting assembly. A sealing face is formed on the side, away from the output end of the connecting assembly, of the sealing assembly. The guide assembly comprises a moving part and a positioning part, the moving part is arranged at the output end of the connecting assembly, the positioning part is fixed relative to the power source, the positioning part comprises a containing cavity allowing the moving part to penetrate through, the containing cavity extends in the direction perpendicular to the sealing face, and the moving part is matched with the co