An air pump has a cylinder, a shaft to be manipulative for inflation, a hose connected to the cylinder, a nozzle connected to an end of the hose and a handle pivoted on an end of the shaft. The handle is manipulative to be moved between an expanded position and a collapsed position. The handle is provided with a receiving portion to receive a portion of the shaft therein while the handle is moved to the collapsed position and an engaging portion to be engaged with the nozzle. The cylinder has a channel to receive the hose therein.