The utility model discloses an air compressor, including the gas holder, the gas holder is provided with the three gyro wheel that is used for removing the gas holder at least, it is connected with the axis of rotation to rotate on the gas holder, the gear has been cup jointed in the axis of rotation, the meshing of gear one side has the gear pole, the gear pole cup joints with the gas holder activity, gear pole fixedly connected with is used for supporting the support of gas holder, gear engagement has the handle, the handle cup joints with the gas holder activity. The utility model disclosesfollowing beneficial effect has: this kind of air compressor can not need rotate locking and removal that air compressor can be realized to the handle, and is comparatively convenient.