Automatic cleaning device for air inlet valve and combustion chamber of engine

The utility model discloses an automatic cleaning device for an air inlet valve and a combustion chamber of an engine, which comprises a cleaning agent tank and a cleaning agent input pipeline, an air inlet manifold of the engine is fixedly mounted on one side of an engine body, and the air inlet manifold of the engine is connected with one end of the cleaning agent tank through the cleaning agent input pipeline; a sealing cover is fixedly buckled to the end, close to the cleaning agent input pipeline, of the cleaning agent tank, a sealing gasket is fixedly glued to the end, close to the sealing cover, of the cleaning agent tank, a base is fixedly connected to the end, away from the sealing cover, of the cleaning agent tank, and the end, away from the engine intake manifold, of the cleaning agent input pipeline penetrates through the sealing cover to be inserted into the cleaning agent tank. The motor drives the rotating shaft to rotate, the rotating shaft mixes the cleaning agent in the cleaning agent tank t