Patent ID: 8793834

Claim:
A mop cleaning set comprising: a mop structure; and a dehydration device for dehydrating the mop structure, said dehydration device comprising: a base having a through hole; a mop supporting unit being disposed above the base; and a bar fixing portion being disposed on the bottom of the mop supporting unit for supporting said mop structure; and a bar being penetrated and fixed in the bar fixing portion of the bottom of the mop supporting unit and the through hole of the base, a first protruded portion and a second protruded portion being disposed on the bar, the first protruded portion being disposed between a bottom surface of the mop supporting unit and a top surface of the base for supporting the mop supporting unit, the second protruded portion being disposed below the through hole of the base for fixing the bar in the through hole of the base; wherein the mop structure comprises: a first sleeve tube, a plurality of protruded limiting dots being disposed on an inner surface of the first sleeve tube, the plurality of protruded limiting dots being arranged in two corresponding rows alternatively with a same distance between the dots in two rows, a protruded limiting flange being disposed at an end on the inner surface of the first sleeve tube; a second sleeve tube disposed below the first sleeve tube, said second sleeve tube being retractably movable inside the first sleeve tube; a third sleeve tube disposed below the second sleeve tube, said third sleeve tube having a rotational disc set being fitted at an end thereof, said rotational disc set comprising a mopping cloth; a first connecting sleeve disposed between the first sleeve tube and the second sleeve tube, said second sleeve tube being an extension of the first sleeve tube and being not detached from the first sleeve tube; a second connecting sleeve; a lead screw disposed in the first sleeve tube having at least one thread being disposed around the lead screw and having a though hole being disposed in the lead screw; a first inserting pole comprising an elastic material, said first inserting pole having a first inserting hole; and a first positioning bolt disposed in the through hole having a thread section being disposed at an end thereof, the thread section being screwed and fixed in the first inserting hole for connecting together the lead screw and the first inserting pole.