The utility model belongs to the domestic appliance field specifically provides a linkage is closed and is covered subassembly and top -open type drum type washing machine. The utility model disclosesaim at that the outer cover and the inner barrel cover that solve present top -open type drum type washing machine close the problem that closed operation is complicated. Mesh for this reason, the utility model discloses a top -open type drum type washing machine includes urceolus and inner tube, is provided with outer cover on the urceolus, is provided with inner barrel cover on the inner tube to the urceolus is covered and is provided with motor and moving part, and the motor is connected with the moving part drive, makes the motor can drive the moving part and makes the moving part keep away from the one end conflict of motor and consequently close inner barrel cover. After outer cover was closed, the motor drive moving part made the inner barrel cover's of moving part court orientation move, until the moving part with the inner barrel cover complete closure. Consequently, the user outside closing after the cover, inner barrel cover can by the utility model discloses a linkage is closed and is covered subassembly self -closing to simplified user's pass lid operating procedure, optimized user's use and experienced.