The utility model discloses a vehicle-mounted light and air passing axle, including the axle body, the inside hollow pipeline of axle body is provided with, one end of hollow pipeline is provided with internal thread, the installation cavity of being used for installing sealing element is connected to the other end of hollow pipeline, the other side of installation cavity is provided with the
optical fiber through -hole of penetrating axle body, one side of
optical fiber through -hole still is provided with the side passageway of penetrating axle body and with installation cavity intercommunication, can effectively realize the effect of passing light and air after installing sealing element,
optical fiber and corresponding light path component, and the whole structure is simple, and easy to process, and the whole
processing qualified rate is high, and the cost brought by unqualified product is reduced.