Electric vacuum cleaner

The present invention provides an electric vacuum cleaner in which the main body of the vacuum cleaner is compact without reducing the capacity of the dust collection box. The electric vacuum cleanercomprises an electric fan that generates suction; a vacuum cleaner body (1) that stores the electric fan; a dust collection box (2) that is detachably provided in the storage portion (11a) of the vacuum cleaner body (1); a cooling air introduction part (21a) that introduces the cooling air for cooling the electric fan when a blockage occurs in the dust collection box, and the cooling air introduction part (21a) is arranged in the dust collection box (2). 本发明提供不减少集尘盒的容量地使吸尘器主体紧凑的电动吸尘器。其具有：产生抽吸力的电动风机；收纳电动风机的吸尘器主体(1)；可拆装地设置于吸尘器主体(1)的收纳部(11a)的集尘盒(2)；在集尘盒(2)产生堵塞时引入冷却电动风机的冷却风的冷却风引入部(21a)，冷却风引入部(21a)设置于集尘盒(2)。