Upper door cover opening and closing device of mosquito-killing, sterilizing and disinfecting garbage can

The utility model discloses an upper door cover opening and closing device of a mosquito-killing, sterilizing and disinfecting dustbin, and relates to the technical field of dustbins, the upper door cover opening and closing device comprises a dustbin body, a dustbin cover arranged at the top of the dustbin body and a mosquito-killing, sterilizing and disinfecting intelligent box fixedly installed on the inner side of the top of the dustbin body, the dustbin body and the dustbin cover are rotationally connected, and when the dustbin cover is in an open state, the dustbin cover is opened. The box body is supported by the supporting assembly connected between the box body and the box cover, and the supporting assembly not only can support the box cover, but also can adjust and restrain the maximum outward overturning angle of the box cover. According to the upper door cover opening and closing device of the mosquito-killing, sterilizing and disinfecting garbage can, when a mosquito-killing, sterilizing and disi