Explosion-proof transformer oil tank

The utility model relates to the technical field of transformer oil tanks, in particular to a transformer oil tank with explosion-proof performance by adjusting the internal pressure of the oil tank. The utility model provides an explosion-proof transformer oil tank which comprises a tank body, cooling fins used for achieving oil circulation flowing so as to generate a heat exchange effect are arranged at the front end of the outer portion of the tank body, and a passive pressure adjusting assembly capable of adjusting the pressure of oil in the tank body is arranged at the top of the tank body; according to the transformer oil tank, the passive pressure adjusting assembly capable of adjusting the pressure of the oil in the tank body is designed, so that the pressure can be effectively adjusted in time according to the pressure of the oil in the oil tank, it is guaranteed that the tank body cannot be broken due to too high oil pressure, and the problem that in a transformer oil tank in the prior art, when a t