| 摘要 |
PURPOSE: A device for shielding a cover of a gas collecting unit is provided to easily maintain and mount with improved structure and to easily shield the cover by manually operating without the electricity or the fluid pressure in an emergency. CONSTITUTION: A device for shielding a cover of a gas collecting unit comprises a collecting unit(10), a cover(30), a link unit, and an operating unit. The cover is rotatably connected to one end of the collecting unit through a hinge. The link unit is positioned inside the collecting unit and is connected to the cover for driving the cover to shield. The operating unit operates the cover to shield by being connected to the link unit. |
