Car and fuel tank cap thereof

The utility model discloses a fuel tank cap of car, including being used for with automobile body fixed connection fixed plate (4), being used for covering apron (8) of oil tank oil filler hole and being used for being connected connecting piece between them, the one end of connecting piece through round pin axle (2) with fixed plate (4) are articulated, just round pin axle (2) is on a parallel with fixed plate (4), the other end of connecting piece with apron (8) fixed connection, its characterized in that, the connecting piece weld in apron (8) inboard face, apron (8) periphery is provided with the turn -up. Through the welded mode, make apron (8) and connecting piece stably be connected, prevent the inaccurate condition of counterpointing, reduced installation error, simultaneously through setting up the intensity that the turn -up has improved the fuel tank cap. The utility model also discloses a car of including above -mentioned fuel tank cap.