A brush for cleaning vehicle vent -pipe

The utility model discloses a brush for cleaning vehicle vent -pipe, comprises a frame, the one end of a plurality of gag lever posts of inner chamber right side wall fixed connection of frame, the utility model discloses an add the gag lever post, a first sprin, including a motor, an end cap, a controller, and a cover plate, bracing piece and head rod isotructure, insert vehicle vent -pipe with the bracing piece, through switch -on external power source, the starter motor, the bracing piece is rotatory, thereby make the brush body remove, the inner wall of blast pipe has been cleaned, furthermore, because the rotation of carousel, the electric conductance piece is periodic to be contacted with the copper layer, it is periodic with annular electromagnet outage and circular telegram, thereby periodic attraction permanent magnet and iron plate, under the effect of third spring, the removal is also controlled to the brush body in rotatory, it moves still to let bracing piece level under the effect of first sprin