-
公开(公告)号:US20230064601A1
公开(公告)日:2023-03-02
申请号:US17670535
申请日:2022-02-14
申请人: Global Maxlead Ltd.
发明人: Zhongliang Liu , Jin Feng , Yujiao Liang , Juan He , Chanyu Wang , Liyu Huang
摘要: The invention discloses a center lock structure, comprises a chassis, rotary sliding sleeve and a center rod, the top of the rotary sliding sleeve is circumferentially and slidely connected with the chassis; and the center rod is extended into the rotary sliding sleeve along the top of the chassis, an elastic member is provided at one side on the bottom of the center rod, the elastic member is exposed outside the center rod when there is no external force, and the elastic member is concealed in the center rod when squeezed by an external force; in the invention, by the center rod, upper and lower rotary sliding sleeve, through holes and the accommodating grooves for pressing or releasing the elastic member, the structure can be unlocked by rotation and pull-down.
-
公开(公告)号:US11988007B2
公开(公告)日:2024-05-21
申请号:US17670535
申请日:2022-02-14
申请人: Global Maxlead Ltd.
发明人: Zhongliang Liu , Jin Feng , Yujiao Liang , Juan He , Chanyu Wang , Liyu Huang
摘要: The invention discloses a center lock structure, comprises a chassis, rotary sliding sleeve and a center rod, the top of the rotary sliding sleeve is circumferentially and slidely connected with the chassis; and the center rod is extended into the rotary sliding sleeve along the top of the chassis, an elastic member is provided at one side on the bottom of the center rod, the elastic member is exposed outside the center rod when there is no external force, and the elastic member is concealed in the center rod when squeezed by an external force; in the invention, by the center rod, upper and lower rotary sliding sleeve, through holes and the accommodating grooves for pressing or releasing the elastic member, the structure can be unlocked by rotation and pull-down.
-