Bidirectional lock

The utility model discloses a two-way lock which comprises a valve body and a valve element assembly arranged in the valve body, the valve element assembly comprises a large valve element, a small valve element, an ejector rod, a first spring and a second spring, the first spring exerts elastic acti...

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Main Authors CHEN WEI, FENG AIRONG, XIE RUI, FAN DEWEI, ZHU SHUQUN, LIN WENBIN, TAO XING, WANG YONGHUI, LIU XIAOQING, XU JING, CHEN YIFAN, LI FUHONG, MENG ZHOUYANG, ZHOU LIANGLIANG, TAO JIAN
Format Patent
LanguageChinese
English
Published 02.07.2024
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Summary:The utility model discloses a two-way lock which comprises a valve body and a valve element assembly arranged in the valve body, the valve element assembly comprises a large valve element, a small valve element, an ejector rod, a first spring and a second spring, the first spring exerts elastic acting force on the small valve element, the second spring exerts elastic acting force on the ejector rod, and the first spring and the second spring are both rectangular springs. The small valve element is sleeved with the first spring. According to the two-way lock, the spring in the valve element assembly is the rectangular spring, under the same space condition, the rectangular section is larger in rigidity and small in size compared with a spiral compression spring, the occupied space can be reduced, it can be ensured that the two-way lock is closed in time, and work reliability is improved. 本实用新型公开了一种双向锁，包括阀体和设在阀体内的阀芯组件，阀芯组件包括大阀芯、小阀芯、顶杆、对小阀芯施加弹性作用力的第一弹簧和对顶杆施加弹性作用力的第二弹簧，所述第一弹簧和所述第二弹簧均为矩形弹簧，第一弹簧套设于所述小阀芯上。本实用新型的双向锁，
Bibliography:Application Number: CN202322940344U