Hydrogen pipeline device and hydrogen production machine

The invention belongs to the technical field of hydrogen production machines, and particularly relates to a hydrogen pipeline device and a hydrogen production machine, the hydrogen pipeline device comprises a hydrogen safety pipeline, a pipeline adapter, a hydrogen suction pipe, a hydrogen-oxygen mixing pipe and an air pipeline; a premixing cavity is formed in the pipeline adapter, an outlet of the hydrogen safety pipeline is unidirectionally communicated with the premixing cavity, an inlet of the hydrogen suction pipe is communicated with the premixing cavity, a mixing cavity is formed in the hydrogen-oxygen mixing pipe, an outlet of the hydrogen suction pipe extends into the mixing cavity, the air pipeline is communicated with the hydrogen-oxygen mixing pipe, and the mixing cavity is used for mixing hydrogen and air; the hydrogen suction pipe comprises a first pipe body part and a second pipe body part, and the inner diameter of the second pipe body part is gradually reduced in the direction away from the f