US 12,275,474 B2
Vehicle steering knuckle and vehicle having the same
Zhongxiao Zhang, Hangzhou (CN); Huicai Lu, Hangzhou (CN); and Liyou Li, Hangzhou (CN)
Assigned to Zhejiang Geely Holding Group Co., Ltd., Hangzhou (CN); and Zhejiang Liankong Technologies Co., Ltd., Ningbo (CN)
Appl. No. 18/292,938
Filed by Zhejiang Geely Holding Group Co., Ltd., Hangzhou (CN); and Zhejiang Liankong Technologies Co., Ltd., Ningbo (CN)
PCT Filed Jun. 17, 2022, PCT No. PCT/CN2022/099340
§ 371(c)(1), (2) Date Jan. 29, 2024,
PCT Pub. No. WO2023/005490, PCT Pub. Date Feb. 2, 2023.
Claims priority of application No. 202110863354.9 (CN), filed on Jul. 29, 2021.
Prior Publication US 2024/0359737 A1, Oct. 31, 2024
Int. Cl. B62D 7/18 (2006.01); B62D 7/16 (2006.01)
CPC B62D 7/18 (2013.01) [B62D 7/16 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A vehicle steering knuckle, comprising a connecting portion, a weakening portion, a first positioning portion, and a second positioning portion;
the weakening portion and the second positioning portion being arranged on the connecting portion, the first positioning portion being configured for connecting with a vehicle steering rod;
one end of the weakening portion being fixedly connected to the connecting portion, other end of the weakening portion being fixedly connected to the first positioning portion, the weakening portion comprising at least one notch and at least one arc portion, the at least one arc portion being set at a connection position between the weakening portion and the first positioning portion, and the at least one notch being set at the arc portion, so that the vehicle steering rod can break the weakening portion in an event of a collision;
wherein the weakening portion comprises a first connection surface, a second connection surface, a third connection surface, and a fourth connection surface;
one end of the first connection surface is connected to one end of the second connection surface, other end of the second connection surface is connected to the third connection surface, the fourth connection surface is opposite to the second connection surface, and opposite sides of the fourth connection surface is respectively connected to the first connection surface and the third connection surface;
a reinforcing rib is arranged on the fourth connection surface to strengthen an axial strength of the first positioning portion, the reinforcing rib forms a weakening groove on the fourth connection surface, the weakening groove is configured for reducing a strength of the weakening portion.