Deodorizing floor drain

The utility model relates to a deodorization floor drain. Comprising a floor drain cylinder, a floor drain cover and a floor drain cover, an inner ring is arranged at the lower end of the floor drain cylinder, an annular groove is formed in the inner side of the floor drain cylinder, the floor drain cover is supported at the bottom of the annular groove and covers the inner ring, a gap is formed between the floor drain cover and the upper end of the inner ring, and a hollow floating ball is connected to the top of the floor drain cover. The utility model can prevent the backflow of odor and sewage in the sewer. 本实用新型涉及一种防臭地漏。包括地漏筒、地漏罩和地漏盖，所述地漏筒下端设置有内环，使地漏筒内侧形成环形槽，所述地漏罩支撑在环形槽底部，将所述内环罩住，地漏罩与内环上端之间具有缝隙，在地漏罩顶部连接有空心浮球。本实用新型能够防止下水道臭气的倒灌和污水倒灌。