Oil pan sealing structure

The utility model relates to the field of automobile gearboxes, in particular to an oil pan sealing structure, which comprises an oil pan, a crankcase and a rubber pad positioned between the oil pan and the crankcase, the oil pan is a box body with an opening at the upper end, the upper end face of the oil pan horizontally extends outwards to form a flange, a bolt is fixed on the oil pan, and the rubber pad is fixed on the crankcase. The bolt sequentially penetrates through the flange and the rubber pad from bottom to top and then is fixed to the crankcase, the rubber pad comprises an annular framework and an oil seal body fixed to the outer ring of the framework, and the oil seal body is made of rubber and used for achieving the sealing effect. The rubber gasket with the framework is used for sealing, the framework plays a supporting role, keeps the shape of the rubber gasket, prevents the rubber gasket from fatigue damage under long-time pressure, and can prevent hard sundries such as gravel from breaking t