Spray gun with diffusion head

The utility model provides a spray gun with a diffusion head, which relates to the technical field of spray guns and comprises a spray gun main frame, a connecting rod is fixedly mounted on one side of the top end of the spray gun main frame, a connecting block A is fixedly mounted at the top end of the connecting rod, a storage tank is arranged at the top end of the connecting block A, and a cover plate is arranged at the top end of the storage tank. A spray head is fixedly installed at the output end of the spray gun main frame, the surface of the spray head is sleeved with a hexagonal block, a check block is fixedly installed at one end in the hexagonal block, and a sealing ring B is fixedly installed at the position, close to the check block, in the hexagonal block. According to the spray gun, through the arrangement of the diffusion holes and the hollow diffusion block, when the spray gun is used and when paint needs to be diffused and sprayed, the spray gun can achieve diffusion spraying of the paint on