Oil cylinder with dustproof structure

The invention relates to the technical field of oil cylinders, in particular to an oil cylinder with a dustproof structure, which comprises an oil cylinder body, an oil port is arranged on the oil cylinder body, a telescopic hydraulic rod is arranged in the oil cylinder, the hydraulic rod is sleeved with a dustproof mechanism, the dustproof mechanism comprises a dust removal assembly, and the output end of the dust removal assembly is matched with the hydraulic rod; a cleaning assembly is arranged on the side, away from the hydraulic rod, of the dust removal assembly, the cleaning assembly is matched with the output end of the dust removal assembly, a fixing mechanism is arranged above the cleaning assembly, and the output end of the fixing mechanism is connected with the two sides of the cleaning assembly. The hydraulic rod can be subjected to dust removal treatment by the dust removal assembly, so that dust on the surface of the hydraulic rod is removed, meanwhile, the cleaning assembly can conduct dust col