US 11,696,415 B2
Hinge structure, folding mechanism and mobile terminal
Yongqiu Xie, HuiZhou (CN); and Yiju Chen, HuiZhou (CN)
Assigned to HuiZhou TCL Mobile Communication Co., Ltd., HuiZhou (CN)
Appl. No. 17/312,518
Filed by HuiZhou TCL Mobile Communication Co., Ltd., HuiZhou (CN)
PCT Filed Nov. 26, 2019, PCT No. PCT/CN2019/120892
§ 371(c)(1), (2) Date Jun. 10, 2021,
PCT Pub. No. WO2020/192161, PCT Pub. Date Oct. 1, 2020.
Claims priority of application No. 201910233738.5 (CN), filed on Mar. 26, 2019.
Prior Publication US 2022/0061174 A1, Feb. 24, 2022
Int. Cl. H05K 5/02 (2006.01); G06F 1/16 (2006.01); H05K 5/00 (2006.01); F16C 11/04 (2006.01); E05D 3/18 (2006.01); H04M 1/02 (2006.01)
CPC H05K 5/0226 (2013.01) [F16C 11/04 (2013.01); G06F 1/1641 (2013.01); G06F 1/1652 (2013.01); G06F 1/1681 (2013.01); H05K 5/0017 (2013.01); E05D 3/18 (2013.01); E05Y 2900/606 (2013.01); H04M 1/0214 (2013.01); H04M 1/0268 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A hinge structure, comprising:
a main support, wherein the main support comprises a sliding groove disposed therein;
a limit support, wherein the limit support is rotationally connected to the main support via a straight shaft, the straight shaft is disposed in the sliding groove, and a limit groove is disposed at one side of the limit support;
a sub support, wherein the sub support is connected to the limit support via a crank shaft, the sub support is sleeved on the crank shaft, a crank sliding block is disposed at one end of the crank shaft, and the crank sliding block is disposed in the limit groove; and
a shaft sleeve, wherein the shaft sleeve comprises a first sub sleeve and a second sub sleeve which are respectively disposed at two ends of the shaft sleeve, the first sub sleeve is sleeved on the straight shaft, and the second sub sleeve is sleeved on the crank shaft;
wherein when the main support rotates relative to the sub support, the straight shaft slides in the sliding groove and the crank sliding block slides in the limit groove.