An improved fire shutter door
An improved technology for rolling shutter doors, applied in the field of rolling shutter doors, can solve problems such as affecting the appearance, poor scrubbing effect, and dust accumulation, and achieve the effects of improving scrubbing intensity, ensuring cleaning quality, and ensuring cleanliness
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[0018] Embodiments of the present invention will be described below with reference to the drawings. In the process, in order to ensure the clarity and convenience of illustration, we may exaggerate the width of the lines or the size of the constituent elements in the diagram.
[0019] In addition, the following terms are defined based on the functions in the present invention, and may vary according to the intention of the user or operator, or custom; therefore, these terms are defined based on the entire contents of this specification.
[0020] Such as Figure 1 to Figure 3 As shown, an improved fire shutter door includes a limit cover 1, a cleaning unit 2, a fixed steel plate 3, a rolling door unit 4 and an execution unit 5; the front end of the limit cover 1 is an eversion structure; and the limit The middle part of the cover 1 is provided with a rectangular through hole, and fixed steel plates 3 are arranged on the left and right sides of the limit cover 1, and the fixed ...
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