Cleaning device

The utility model discloses cleaning equipment which comprises a main body with an inner cavity, a suction device used for generating suction airflow is arranged in the inner cavity, the suction device comprises a fan body and a fan outer cover, and the fan body is used for generating the suction airflow and is arranged in the fan outer cover; the fan body and the fan outer cover are arranged at an interval, so that an air return cavity is formed between the fan outer cover and the fan body; the suction device further comprises a first noise reduction layer, and airflow generated by the fan body penetrates through the first noise reduction layer to enter the air return cavity. A first air outlet is formed in the air return cavity, the fan outer cover further comprises a silencing cavity, and the silencing cavity is in fluid communication with the air return cavity through the first air outlet; a second noise reduction layer is arranged in the noise reduction cavity, and airflow penetrates through the second n