US 11,988,007 B2
Rotating locking structure
Zhongliang Liu, Guangdong (CN); Jin Feng, Guangdong (CN); Yujiao Liang, Guangdong (CN); Juan He, Guangdong (CN); Chanyu Wang, Guangdong (CN); and Liyu Huang, Guangdong (CN)
Assigned to Global Maxlead Ltd, Shenzhen (CN)
Filed by Global Maxlead Ltd., Shenzhen (CN)
Filed on Feb. 14, 2022, as Appl. No. 17/670,535.
Claims priority of application No. 202111006656.0 (CN), filed on Aug. 30, 2021; and application No. 202111320111.7 (CN), filed on Nov. 9, 2021.
Prior Publication US 2023/0064601 A1, Mar. 2, 2023
Int. Cl. E04H 15/50 (2006.01); E04H 15/32 (2006.01); E04H 15/26 (2006.01); E05B 65/00 (2006.01)
CPC E04H 15/50 (2013.01) [E04H 15/32 (2013.01); E04H 15/26 (2013.01); E05B 65/00 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A center lock structure, comprising: a chassis, rotary sliding sleeve and a center rod, a top of the rotary sliding sleeve is circumferentially and slidably connected with the chassis, and the center rod is extended into the rotary sliding sleeve along the top of the chassis, a top of the chassis is provided with multiple sets of rib fixing members; an elastic member is provided at one side on a 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; the chassis and the rotary sliding sleeve are respectively provided with a first through hole and a second through hole that make the elastic member concealed in the center rod, and a top of the first through hole is provided with a funnel through hole with an inner diameter gradually increasing from bottom to top, the second through hole is provided with an elastic member accommodating groove when the rotary sliding sleeve rotates to make a side wall of the accommodating groove press the elastic member into the center rod, the center rod and the rotary sliding sleeve are unlocked.