Oilless air compressor

The utility model discloses an oilless air compressor, its technical scheme main points are including the gasoline engine, install the crankcase on the gasoline engine, and the cylinder of setting onthe crankcase, be provided with piston and piston rod in the cylinder, be provided with the crank throw in the crankcase, be provided with the transmission shaft on the gasoline engine, the transmission shaft stretches into the one end of crankcase in -connection at the crank throw, the piston rod shen ru arrives the crankcase in -connection on the crank throw, the other end and the transmission shaft of crank throw are provided with eight positive limit axles with the axle center, the epaxial radiator shutter that has cup jointed in eight positive limits, it has radially offered spacing holethe positive epaxial edge in eight limits, be provided with on the radiator shutter and peg graft with the limiting member of fixed radiator shutter with spacing hole, limiting member includes the stopper of slidable mounting