Safety steel fireproof roller shutter
A fire shutter, steel technology, used in fire doors, fire rescue, dental drilling, etc., can solve the problem of poor thermal insulation performance of ordinary fire shutters, achieve a good evacuation environment, strong practicability, and reduce the environment. effect of temperature
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[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0026] refer to Figure 1-6 As shown, a safety steel fireproof rolling shutter includes a curtain 1, an automatic winding device, a seat plate 3 and a guide rail 2, the top of the curtain 1 is wound in the automatic winding device, and the curtain 1 The bottom end of 1 is connected with the seat plate 3, and the automatic winding device includes a reel 4, a door roller 6 and a travel switch 5, the reel 4 is connected with the door roller 6, and the door roller...
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