Folding mop assembly, folding mop and drying barrel

The invention discloses a folding mop assembly, a folding mop and a drying barrel. The folding mop assembly comprises a mop rod connecting block, a mop plate rotating shaft and a mop plate connectingblock. The mop rod connecting block is connected with a mop rod, the mop plate rotating shaft is installed on the mop rod connecting block, and the mop plate connecting block is arranged on the mop plate rotating shaft; the mop plate connecting block is connected with a mop plate, the mop plate connecting block rotates around the axis of the mop plate rotating shaft, and the mop plate is attachedto the mop rod in the folded state of the mop plate. The mop rod connecting block is used for being disassembled from or assembled with the mop rod or directly integrated with the mop rod, so that thefoldable mop is convenient to produce and manufacture. The mop plate connecting block is used for being connected with the mop plate so as to drive the mop plate to rotate around the mop plate rotating shaft, and folding or un