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Title:
ANTI-SHOCK DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/080599
Kind Code:
A1
Abstract:
Provided in the invention is an anti-shock device, comprising a cylinder body (1), a piston (2), an end cover (3), a piston rod (4), connecting cylinders (5) and connecting components (6). The cylinder body (1) is sleeved on the outer circumference of the piston (2). The piston (2) is sleeved on the outer circumference of the piston rod (4). The connecting cylinder (5) is connected with one end of the cylinder body (1). The end covers (3) are arranged at the two ends of the cylinder body (1). Connecting components (6) are respectively arranged at the end, far away from the connecting cylinder (5), of the piston rod (4), and at the end, far away from the cylinder body (1), of the connecting cylinder (5), wherein, the piston rod (4) and the piston (2) can reciprocate along the inner wall of the cylinder body (1). The piston (2) is provided with a locking valve (7) and a damping valve (8) arranged on both sides of the piston rod (4) in an opposite manner. In addition, when the locking valve (7) is in a switched-on state, the damping valve (8) is in a switched-off state; and when the locking valve (7) is in the switched-off state, the damping valve (8) can be in the switched-on state.

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Inventors:
TANG LU (CN)
NING XIANGLIANG (CN)
WEN DENG (CN)
HAN PENGFEI (CN)
LIU JUN (CN)
SUN XIANGMIN (CN)
YUAN KE (CN)
SHEN ZHUO (CN)
Application Number:
PCT/CN2018/100164
Publication Date:
May 02, 2019
Filing Date:
August 13, 2018
Export Citation:
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Assignee:
ZHUZHOU TIMES NEW MAT TECH CO (CN)
International Classes:
E01D19/00; F16F9/34; E01D19/06; F16F9/19; F16F9/50; F16F9/508; F16K17/30
Foreign References:
CN107701643A2018-02-16
GB2318850A1998-05-06
CN103671677A2014-03-26
CN2833289Y2006-11-01
CN103671676A2014-03-26
US20030042088A12003-03-06
DE7000825U1970-09-17
Attorney, Agent or Firm:
YUHUA UNITED INTELLECTUAL PROPERTY LAW FIRM (CN)
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