Folding fireproof door capable of being automatically and sequentially closed
The utility model discloses a folding fireproof door capable of achieving automatic sequential closing. The folding fireproof door comprises a door frame, a door leaf, a hardware system and a control system. The door leaf comprises side leaf bodies and folding leaf bodies, and the folding leaf bodie...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a folding fireproof door capable of achieving automatic sequential closing. The folding fireproof door comprises a door frame, a door leaf, a hardware system and a control system. The door leaf comprises side leaf bodies and folding leaf bodies, and the folding leaf bodies comprise at least one main folding leaf body with a fireproof lock; the hardware system comprises a first fireproof hinge, a second fireproof hinge, a first fireproof door closer, a second fireproof door closer, a side leaf fireproof automatic bolt, a fireproof lock, a first electromagnetic door stopper and a second electromagnetic door stopper; the control system comprises a manual button switch, a fireproof door controller box, a power circuit and a signal circuit; according to the folding fireproof door capable of achieving automatic sequential closing, through a low-cost hardware system and a low-cost control system, it is guaranteed that a large-span opening folding vertical hinged door is stably opened and |
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