According to a preferred embodiment of the present invention, a wet-mop cleaner comprises: a handle unit held and used by a user; and a head unit provided on one side of the handle unit to sweep and clean a cleaning surface. The head unit includes: a housing fixed to the handle unit; a drive unit positioned in the housing and rotating a driving rotary shaft; a main gear receiving the rotational driving force of the rotary shaft of the drive unit; an operating rotary shaft axially connected to the main gear to rotate; a pair of cranks provided on both ends of the operating rotary shaft to operate with a phase difference therebetween; a pair of connecting rods connected to the cranks, respectively; a pair of operating units of which each one side is hinge-connected to a connecting rod and the other end is rotatably hinge-connected to the frame of the head unit such that the operating units rotate at a predetermined angle with the other ends as rotary shafts; and a pair of wet-mop attachment units which are hinged to the operating units to reciprocate and have a wet mop attached thereto. Therefore, the wet-mop cleaner allows the pair of cranks to operate with the phase difference such that the pair of wet-mop attachment units performs the sweeping operation within a range of a predetermined angle with a phase difference, that is, performs the sweeping operation in opposite directions and thus, offsets vibrations to minimize the vibrations transmitted to the handle unit, thereby increasing user convenience.;COPYRIGHT KIPO 2020
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