A reel device is provided, including a shell body； a rotating shaft, movably and rotatably disposed in the shell body along an axial direction, the rotating shaft including a head section, an exterior circumferential face of the head section circumferentially having a plurality of engaging teeth circumferentially disposed thereon and extending radially； a ratchet assembly, including a first ratchet portion and a second ratchet portion meshed with the first ratchet portion, the first ratchet portion being fixed on the shell body, the second ratchet portion being rotatable relative to the first ratchet portion unidirectionally, the second ratchet portion comovably connected with the rotating shaft； a reel unit, rotatably disposed on the shell body for being connected to at least one rope, the reel unit having a meshed hole extending in the axial direction, the plurality of engaging teeth being radially detachably engaged with the meshed hole.本發明關於一種捲線器，包括：一殼體；一旋軸部，其可沿一軸向移動地且可轉動地設於該殼體內，該旋軸部包括一頭段，該頭段外周面周向設有複數徑向延伸之卡齒；一棘齒組件，其包括一第一棘齒部及一與該第一棘齒部相嚙合之第二棘齒部，該第一棘齒部固設於該殼體，該第二棘齒部僅可相對該第一棘齒部沿單一方向轉動，該第二棘齒部連動地設於該旋軸部；一捲線單元，其可轉動地設於該殼體並供連接至少一繩體，該捲線單元設有一沿該軸向延伸之囓齒孔，該複數卡齒可徑向脫開地卡接於該囓齒孔。
