Hatch cover mounting structure

The utility model discloses a hatch cover mounting structure. The hatch cover mounting structure comprises a vessel body and a hatch cover fixed onto a hatch cover. The bottom of the hatch cover is provided with a mounting unit in a protruded mode, and the vessel body is provided with an accommodating unit fixed to the mounting unit; a rubber cushion is arranged between the hatch cover and the vessel body, the hatch cover and/or the vessel body is provided with a limiting unit beside the rubber cushion, and the height of the limiting unit is smaller than or equal to the total thickness of the mounting unit and the accommodating unit which are snapped together. According to the hatch cover mounting structure, the limiting unit is arranged beside the rubber cushion between the hatch cover and the vessel body to guarantee the compressed state of the rubber cushion, so that damage of the rubber cushion due to excessive compression can be avoided; meanwhile, the limiting unit abuts against the hatch cover and the vessel body, so that the sealing effect between the hatch cover and the vessel body can be further improved.