Inflation device for automobile air storage tank

The utility model discloses an air charging device for an automobile air storage tank, which comprises a device main body, a first air charging pipeline and a second air charging pipeline which are connected in parallel are arranged in the device main body, the first air charging pipeline and the second air charging pipeline are respectively provided with an air charging valve and an air charging stop valve, a one-way valve is arranged in each air charging valve, and air can only enter but not exit. Inlets of the first inflation pipeline and the second inflation pipeline are connected with an external air source, a communication pipeline is arranged between the first inflation pipeline and the second inflation pipeline, a pressure gauge is installed on the communication pipeline, and an emptying valve is arranged at the end, away from the inflation valve, of the first inflation pipeline and connected to the pipeline in series. An air supply stop valve is arranged at the end, away from the inflation valve, of