Double-dustproof oil damper

A double-dustproof oil damper comprises a pressure cylinder filled with oil, a piston rod extending into the pressure cylinder, an oil storage cylinder arranged outside the pressure cylinder in a sleeving mode, a guide bearing arranged in the oil storage cylinder and matched with the piston rod in a guiding mode, and a sealing structure arranged between the guide bearing and a piston. The sealing structure is characterized in that an inner dustproof layer for preventing dust from entering the sealing structure is arranged between the guide bearing and the piston rod, an outer dustproof protective cover is sleeved on the oil storage cylinder, the outer dustproof protective cover is fixed with the piston rod, and a closed space is formed between the outer dustproof protective cover and the oil storage cylinder. According to the oil damper, an inner-outer dual-dustproof structure is formed, the dustproof effect of the oil damper under the severe environment working condition is improved, therefore, the service l