Fireproof rolling shutter door with smoke protection function

The utility model discloses a fireproof rolling shutter door with smoke protection function, including rolling up curtain, reel (2) and a pair of guide rail (3), its characterized in that: seting up vertical guide way (31) on this guide rail (3), having set firmly sealed fill up (32) on one side inner wall of this guide way (31), the activity wears to be equipped with depression bar (4) on the opposite side inner wall of this guide way (31), and this roll of curtain (1) side is located sealed fill up (32) with between depression bar (4), being provided with thermal conductivity cover (42) on guide rail (3), being provided with fuse link (43) in this thermal conductivity cover (42), this thermal conductivity cover (42) lid dress is in depression bar (4) outside, this fuse link (43) one end and thermal conductivity cover (42) rigid coupling and its other end and depression bar (4) outer end rigid coupling, depression bar (4) are gone up the cover and are equipped with spring (41). The utility model discloses ha