A gear-type watertight opening and closing device is disclosed. According to an aspect of the present invention, the gear-type watertight opening and closing device comprises: a water blocking plate through which a drainage hole is formed to penetrate; an opening and closing unit coupled to the water blocking plate to cover the drainage hole of the water blocking plate; and a drive unit providing a rotating force to the opening and closing unit for the drainage hole to be opened and closed by the opening and closing unit.
기어형 수밀 개폐 장치가 개시된다. 본 발명의 일 측면에 따른 기어형 수밀 개폐 장치는, 배수구멍이 관통 형성되는 차수판, 차수판의 배수구멍을 커버하도록 차수판에 결합되는 개폐부, 및 개폐부가 배수구멍을 개폐하도록 개폐부에 회전력을 제공하는 구동부를 포함한다.
GEAR-TYPE WATERTIGHT OPENING AND CLOSING DEVICE
기어형 수밀 개폐 장치
31.01.2018
Patent
Elektronische Ressource
Koreanisch
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