Waterproof cover of water tank

The utility model discloses a waterproof cover of a water tank, which relates to the technical field of waterproof sealing and comprises a shell provided with a through hole, and the through hole is communicated with the inside of the shell. The first connecting piece is located on the outer side of the shell, and the first connecting piece is arranged on the edge of the through hole in a surrounding mode; and the hole plug is connected with the first connecting piece in a buckling manner, so that the through hole is plugged. According to the waterproof cover of the water tank, water or dust can be prevented from entering the shell, and the waterproof sealing purpose is achieved. 本实用新型公开了一种水箱防水盖，涉及防水密封技术领域，包括壳体，所述壳体设有通孔，所述通孔连通所述壳体的内部；第一连接件，所述第一连接件位于所述壳体的外侧，所述第一连接件围设在所述通孔的边缘；以及孔塞，所述孔塞与所述第一连接件卡扣连接，从而将所述通孔封堵。通过本实用新型实施例提供的水箱防水盖，能够防止水或灰尘等进入壳体的内部，实现防水密封的目的。