Air connection piping device for a massage pool, a pool body of a massage pool and a massage pool

An air connection pipeline device of a massage pool, comprising:

• a pipeline, the pipeline is formed with a first air connection passage and a second air connection passage;
• wherein the first air connection passage has a first air inlet and a first air outlet, the first air connection passage includes a check valve located between the first air inlet and the first air outlet, the check valve is driven to open when the air flow moves from the first air inlet to the first air outlet and close when the air flow moves from the first air outlet to the first air inlet;
• the second air connection passage is provided with a switch valve, the switch valve comprises a second valve core and a second elastic body, the second valve core slides between a closed position to close the second air connection passage and an open position to open the second air connection passage, the second elastic body presses against the second valve core, and an initial state of the second valve core is the closed position, wherein the first air inlet of the first air connection passage and a ventilation port of the second air connection passage are located at a first port of the pipeline, the first air outlet of the first air connection passage is located at a second port of the pipeline, and the ventilation port of the second air connection passage is located on a peripheral wall of the pipeline.