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Title:
MOVABLE-THRESHOLD FIRE PROTECTION SEALING DOOR FOR HIGH-SPEED RAIL TUNNEL ESCAPE ROUTE
Document Type and Number:
WIPO Patent Application WO/2021/103809
Kind Code:
A1
Abstract:
A movable-threshold fire protection sealing door for a high-speed rail tunnel escape route, comprising a door frame (1), a door (2), hinges (3), locks (4), a movable threshold (6), and a sealing apparatus (5). The door frame (1) is mounted on a tunnel wall. The door (2) rotatably cooperates with the door frame (1) by means of the hinges (3). The locks (4) are mounted on the door frame (1), and slidingly cooperate with the door frame (1). The movable threshold (6) is mounted on the bottom of the door frame (1), is connected with the tunnel wall, and when the door (2) is closed, the movable threshold (6) abuts the bottom of the door (2). The sealing apparatus (5) is mounted on the door frame (1) and the door (2), and when the door (2) is closed, the apparatus is embedded in the movable threshold (6). By means of providing a movable threshold (6), mounting conditions for the protection door are improved. When mounting the protection door, a step does not need to be provided. The invention thus has the feature of convenient construction. Meanwhile, the movable threshold (6) is detachable, facilitating passage of materials and persons, and having the feature of strong passage capacity.

Inventors:
XIE FENG (CN)
WANG YANGMING (CN)
HU SHENGWEI (CN)
NONG XINGZHONG (CN)
XIONG KE (CN)
JIA YANMING (CN)
MA XIAOJIAO (CN)
ZHANG DEJUN (CN)
ZHANG WEI (CN)
ZHAO JUNLONG (CN)
LIU JUNJIAN (CN)
ZENG CHENGLIANG (CN)
CUI YANBIN (CN)
BI JINGJING (CN)
WANG KAIYU (CN)
ZHANG ZHENGYI (CN)
ZHANG XINHAO (CN)
Application Number:
PCT/CN2020/118584
Publication Date:
June 03, 2021
Filing Date:
September 28, 2020
Export Citation:
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Assignee:
GUANGZHOU METRO DESIGN&RESEARCH INST CO LTD (CN)
International Classes:
E21F17/12; E05B3/00; E05B15/00; E05B63/14; E05B65/10; E05D11/04; E06B1/52; E06B1/70; E06B3/70; E06B5/16; E06B7/16; E21F11/00
Foreign References:
CN111350542A2020-06-30
CN102913107A2013-02-06
CN102913107A2013-02-06
CN107217963A2017-09-29
CN209413577U2019-09-20
CN202249374U2012-05-30
CN201250671Y2009-06-03
CN109505493A2019-03-22
CN208396605U2019-01-18
JPS63143658U1988-09-21
Attorney, Agent or Firm:
BEIJING WUZHOUYANGHE & PARTNERS (CN)
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