Abstract: A mop structure of converting vertical linear displacement into unidirectional rotation for dewatering a mop comprises: a lower pipe with the bottom coupled to a mop head and the internal side fixed to a spiral rod; a driving pipe, having an interconnecting hole engaged with the spiral rod for passing the spiral rod and disposed at the internal side of the lower pipe, and a circular upwardly facing ratchet disposed at the top of the driving pipe; a fixing pipe, having a penetrating hole formed at the middle of the fixing pipe for passing the spiral rod and disposed at the top of the driving pipe, a circular downwardly facing ratchet installed at the top inside the fixing pipe and corresponding to the circular upwardly facing ratchet of the driving pipe, such that after the spiral rod is passed out from the penetrating hole, a fixing mechanism is provided for limiting the fixing pipe and the driving pipe on the spiral rod; and an upper pipe, with the bottom fixed to the fixing pipe after the bottom of the uppe

Abstract: A mop disc and fabric frame fixation structure includes a fabric frame including cotton strips at the bottom of the fabric frame, a noncircular embedding concave surface at the top of the fabric frame, latch bumps formed in the corresponding embedding concave surface and protruded upwardly, and a concave latch surface concavely formed on at least one side of the latch bump. A disc is embedded into the embedding concave surface and has a latch groove in the corresponding embedding concave surface. Each latch groove is arranged apart from the other. A latch block is formed on an internal wall of the latch groove and protrudes from the corresponding concave latch surface. Thus, the disc is embedded into the embedding concave surface, and the concave latch surface and the latch block are latched with each other, to combine the fabric frame to the disc.