Air filter for household automobile

The utility model relates to the technical field of air filters. The utility model discloses an air filter for a household automobile. The filter comprises a shell, a filter element, a top cover, an air inlet pipe and an air outlet pipe, a fixed block is fixedly mounted on the outer surface of the circumference of the shell; the filter element is fixedly mounted in the shell; the filter element and the top surface of the shell are fixedly connected with the bottom surface of a top cover, a fixing mechanism is fixedly mounted on the top surface of the top cover, an air inlet of the shell is fixedly connected with an air inlet pipe, an ash guide pipe is fixedly mounted at the corner of the air inlet pipe, and the circumferential outer surface of the ash guide pipe is sleeved with an ash accumulation cylinder in a threaded mode. The invention discloses an air filter for a household automobile. When air passes through the air inlet pipe, a centrifugal effect is generated at the corner, thegenerated centrifugal fo