| 摘要 |
This invention provides a water-obstructed roller shutter structure comprising: a plurality of boards, each of which forms a containing groove at its bottom edge and top edge respectively, and every containing groove is designed to hold a waterproof strip; a top shaft and a bottom shaft at inner side of each board; a waterproof strip at the bottom of the last board, clinging to the metal bar on the ground; a plurality of stay bars, including a top stay bar hinged to said top shaft, a bottom stay bar hinged to said bottom shaft, the bottom end of said top stay bar and the top end of said bottom stay bar are hinged to a center shaft, and stay bars between adjacent columns are staggered; a side chamber at each side of the roller shutter, each side chamber has a front sealing element fixed on its front surface and a back sealing element fixed on its inner side surface near said boards, and a side sealing element beside said board.
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