The invention discloses a two-fold folding fireproof door which comprises a door frame, an upper guide rail, a lower slide way, an auxiliary door leaf, a main door leaf, a door closer and a pulley block. Fireproof doors are arranged in the door frame, the auxiliary door leaf and the main door leaf. According to the structure of the two-fold folding fireproof door, when the fireproof door is used,the auxiliary door leaf can be synchronously driven to move by transversely pushing the main door leaf, so that the main door leaf and the auxiliary door leaf are folded together, the fireproof performance is achieved, the occupied space is smaller, and the fireproof door is more suitable for being used on ships.

    本发明公开了一种两折折叠防火门,包括门框、上导轨、下滑道、副门扇、主门扇、闭门器和滑轮组。所述门框、副门扇和主门扇内设置有防火门。通过本方案的结构,在使用时,通过横向推动主门扇,即可同步带动副门扇移动,使主门扇与副门扇折叠于一起,而且兼具防火性能,从而占用空间更小,且更加适合船舶上使用。


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    Title :

    Two-fold folding fireproof door


    Additional title:

    一种两折折叠防火门


    Contributors:
    YAN BO (author) / WANG FEI (author) / MEI ZHIBING (author) / LI FENG (author) / WU HAIYAN (author) / WU ZIQIN (author) / WEI TIEJUN (author) / YU SUXIAN (author) / SHI XIAOMING (author) / YANG HAOQIN (author)

    Publication date :

    2021-03-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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