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1. (WO2018054067) MANUAL FALL PROTECTION DEVICE

Pub. No.:    WO/2018/054067    International Application No.:    PCT/CN2017/084232
Publication Date: Fri Mar 30 01:59:59 CEST 2018 International Filing Date: Sat May 13 01:59:59 CEST 2017
IPC: A41D 13/018
Applicants: ANYCHECK INFORMATION TECHNOLOGIES CO., LTD.
深圳市前海安测信息技术有限公司
Inventors: ZHANG, Guanjing
张贯京
GE, Xinke
葛新科
GAO, Weiming
高伟明
ZHANG, Hongzhi
张红治
LIU, Zhifan
刘志凡
Title: MANUAL FALL PROTECTION DEVICE
Abstract:
A manual fall protection device, comprising an inflatable waist band (2), a connection tube (3), a valve (4), a pull string (5), and an air container (7). The connection tube (3) is connected to the inflatable waist band (2). The valve (4) comprises a control valve body (401), and a first spring (403), a first sealing ring (406), a needle valve (407), a first airway tube (408), a second airway tube (409), and a first recess (410) disposed within the control valve body (401). The first airway tube (408) is connected to the air container (7). The second airway tube (409) is connected to the connection tube (3). The first spring (403) and the needle valve (407) are disposed in the first recess (410). The first spring (403) is wound around the surface of the needle valve (407). A terminal end of the needle valve (407) is connected to the pull string (5). The first sealing ring (406) is disposed within the first recess (410). The needle valve (407) passes through the first sealing ring (406). The pull string (5) is used to pull the needle valve (407) to separate from a tip portion of the first recess (410), and the air in the first airway tube (408) passes through the first recess (410) to flow into the second airway tube (409) and then into the inflatable waist band (2). By inflating the inflatable waist band (2) with the air container (7), the manual fall protection device of the present invention reduces an impact force of a fall on a user, thus preventing the user from being injured, and facilitating protection for an accidental fall.