Patent ID: 11912336
Assignee: GREAT WALL MOTOR COMPANY LIMITED
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A rear sub-frame assembly, applied to an electric vehicle body, wherein the rear sub-frame assembly comprises:
a rear sub-frame main body, wherein the rear sub-frame main body is a bilateral symmetry structure, vehicle body connecting parts connected with the rear sub-frame main body on an upper portion of the rear sub-frame main body, and battery pack guard plate connecting parts connected with the rear sub-frame main body on a lower portion of the rear sub-frame main body are constructed on the rear sub-frame main body; and stabilizing rod mounting parts, upper control arm mounting parts and lower control arm mounting parts are further arranged on the rear sub-frame main body; and
positioning supports, wherein the quantity of the positioning supports respectively arranged close to a left end and a right end of the rear sub-frame main body is two, and positioning parts matched with external positioning members to position the rear sub-frame main body are constructed on the two positioning supports respectively;
the rear sub-frame main body comprises a rear sub-frame body located in a middle part, and rear sub-frame cross beams and stabilizing rod mounting supports which are arranged on the two opposite sides of the rear sub-frame body respectively, and the rear sub-frame main body further comprises lower supports connected and disposed between the rear sub-frame cross beams on the two sides and the rear sub-frame body; and the positioning supports at the two ends are fixedly connected to the stabilizing rod mounting supports at the corresponding ends;
wherein the stabilizing rod mounting parts comprise stabilizing rod mounting position welding nuts fixedly connected with the stabilizing rod mounting supports, and stabilizing rod mounting position threaded pipes fixedly connected with the stabilizing rod mounting supports and the rear sub-frame cross beams, and the stabilizing rod mounting position threaded pipes transversely penetrate through the rear sub-frame cross beams.