Oil tank filter core replacing structure

The utility model provides an oil tank filter core replacing structure, which comprises a walking platform plate, wherein an opening is arranged on the walking platform plate, in addition, a cover plate is arranged on the walking platform plate correspondingly to the opening, one side of the cover plate is pivoted onto the walking platform plate through a pivoting structure and rotates between an opening position and a closing position, and when the cover plate is in the closing position, the other side of the cover plate is buckled onto the walking platform plate through a clamp buckle structure and covers the opening. When a filter core of engineering machinery utilizing the structure needs to be replaced, the buckling part of the clamp buckle structure is disengaged through pulling the cover plate, in addition, the cover plate is rotated, and the filter core can be taken out. The filter core replacement is very convenient and fast.