US 11,964,700 B2
Lightweight aluminum alloy carriage
Kaizheng Xiao, Fujian (CN); Xiang Li, Fujian (CN); Donggui Zhang, Fujian (CN); and Yongda Fan, Fujian (CN)
Assigned to Fujian Minlu Lightweight Automobile Manufacturing Co., Ltd., Nanping (CN)
Filed by Fujian Minlu Lightweight Automobile Manufacturing Co., Ltd., Fujian (CN)
Filed on Feb. 18, 2021, as Appl. No. 17/178,752.
Claims priority of application No. 202010107460.X (CN), filed on Feb. 21, 2020.
Prior Publication US 2021/0261327 A1, Aug. 26, 2021
Int. Cl. B62D 29/00 (2006.01); B62D 25/20 (2006.01)
CPC B62D 29/008 (2013.01) [B62D 25/2054 (2013.01); B62D 25/2036 (2013.01); B65D 2588/12 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A lightweight aluminum alloy carriage, comprising a bottom plate assembly, wherein the bottom plate assembly comprises a front end part and a rear end part which are arranged front and back on an axis;
the front end part comprises a transversely arranged aluminum alloy profile bottom plate, and an extrusion direction of the transversely arranged aluminum alloy profile bottom plate is perpendicular to the axis of the bottom plate assembly; and
the rear end part comprises aluminum alloy square tube cross beams and a longitudinally arranged aluminum alloy profile bottom plate, the aluminum alloy square tube cross beams are perpendicular to the axis of the bottom plate assembly, an extrusion direction of the longitudinally arranged aluminum alloy profile bottom plate is parallel to the axis of the bottom plate assembly, the longitudinally arranged aluminum alloy profile bottom plate is erected on the aluminum alloy square tube cross beams, and the aluminum alloy square tube cross beams are connected with the transversely arranged aluminum alloy profile bottom plate.