Multi-head dust mop

A multi-head dust mop, comprising:

• a bracket,
• a joint,
• a connecting rod,
• at least two cleaning heads arranged at a bottom circumference of the bracket;
• the bottom circumference of the bracket having a fastening shaft matched with each of the cleaning heads;
• each fastening shaft consists of a number of elastic fasteners;
• a bottom of an outer surface of each elastic fastener has a flange protruding outwards;
• the cleaning heads are sleeved on the fastening shaft and limited between the flanges and the lower surface of the bracket;
• wherein each cleaning head comprises an upper shell and a lower shell that is positioned at a bottom of the upper shell, wherein the upper shell has a mounting hole through which the fastening shaft passes, a limiting wall is arranged on the circumference of the mounting hole on a lower surface of the upper shell, a bottom face of the limiting wall is leveled with an upper surface of the flange, and the lower shell is provided with a limiting column that is inserted into the fastening shaft;
• wherein an upper surface of the bracket is provided with a connecting base with two plate-like portions, wherein inner sides of the two plate-like portions are each provided with a shaft groove, two ends of the joint are each inserted into rotating shafts in the two shaft grooves, the upper end of the joint is provided with a shaft hole, and the bottom of the connecting rod is provided with a shaft head pivoted in the shaft hole;
• wherein the joint is U-shaped, two sides of the bottom of the connecting rod have respective recessed portions, the distance between the bottom walls of the two recessed portions is equal to that of the inner space of the U-shaped side wall of the U-shaped joint, the shaft hole runs through the U-shaped side wall of The joint, and the two shaft heads are respectively positioned at the bottom walls of the two recessed portions.