External stretchable fire shelter box

The utility model discloses an external stretchable fire shelter box, which comprises an outer box and a matching inner box sleeved in the outer box in a sliding way. A plurality of sliding guide rails are arranged between the outer box and the inner box, the inner sidewall of the outer box is provi...

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Bibliographic Details
Main Authors YU JINLIN, DU LEI, WU ZHAOWEI, YU JING, CAO XIZHENG, WU ZHENGLEI, DUAN ZHENGYONG
Format Patent
LanguageChinese
English
Published 09.02.2011
Subjects
DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
FIRE-FIGHTING
HUMAN NECESSITIES
LIFE-SAVING
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Summary:The utility model discloses an external stretchable fire shelter box, which comprises an outer box and a matching inner box sleeved in the outer box in a sliding way. A plurality of sliding guide rails are arranged between the outer box and the inner box, the inner sidewall of the outer box is provided with a ratchet and a first pulley, the bottom surface of the inner box is provided with two second pulleys, ropes are arranged among the ratchet, the first pulley and the second pulleys, the ratchet is provided with a hand wheel, the upper end of the outer box is provided with a box cover, and the box cover is provided with a handle. The utility model has the advantages of simple structure, convenient use, reasonable and attractive appearance, high scalability, small size, and high practicality, and has certain promotional value.
Bibliography:Application Number: CN20102287661U