Mop bottom plate

The utility model provides a mop bottom plate which comprises a bottom plate base body, a first connecting rod, a second connecting rod and a connecting pipe, the first connecting rod is hinged to a transverse hinge shaft of the bottom plate base body, the second connecting rod is hinged to the first connecting rod through a longitudinal hinge shaft, and the second connecting rod is connected withan external mop rod. The two ends of the connecting pipe are detachably inserted into one side of the bottom plate base body. Wherein the bottom plate base body is formed by splicing a first bottom plate and a second bottom plate which are the same in structure, a plurality of positioning buckles are arranged on the first bottom plate, and positioning clamping grooves clamped with the positioningbuckles are formed in the second bottom plate. According to the mop bottom plate, the bottom plate base body is detachably connected with the connecting pipes on the two sides, the connecting pipes are made of bendable soft p