Cleaning bucket structure capable for automatically purifying foul water

A cleaning bucket structure for automatically purifying foul water, comprising:

• an outer bucket, having a receiving space;
• an inner bucket, having a diameter which is smaller than a diameter of the outer bucket, and disposed in the receiving space of the outer bucket;
• a transmission member, disposed in the inner bucket;
• a pumping member, disposed in the inner bucket for receiving the transmission member therein;
• a filtering member, disposed in the inner bucket and surrounding the transmission member and the pumping member;
• and
• a covering plate, disposed in the inner bucket and above the filtering member, the covering plate includes a plurality of openings,
• wherein the transmission member includes a transmission rod, a rotation barrel, a driving barrel, a cover barrel, a linking barrel and a positioning rod, the linking barrel is fixed in the pumping member, the positioning rod is inserted in a lower end of the linking barrel and positioned at an inner center of the outer bucket, the rotation barrel is disposed in the linking barrel and a plurality of guiding slots is formed at a peripheral wall of the rotation barrel, the driving barrel is disposed in the rotation barrel and has a driving hole formed at a top surface of the driving barrel for providing the transmission rod to insert, a plurality of convex portions is formed at an outer peripheral wall of the driving barrel, the plurality of convex portions are arranged in the corresponding plurality of guiding slots respectively, and the cover barrel covers on the linking barrel, and a bottom end of the cover barrel is adjacent to or contacts with a top end of the rotation barrel.