Multi-stage buffering and energy-absorbing type bumper of truck

• Main Authors: LIU LEI, TANG XINING, WANG YITIAN, MOU XIAOBIN, HUANG RUNJIE, SUN LIANG
• Format: Patent
• Language: Chinese; English
• Published: 28.03.2023
• Subjects: PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR

The utility model relates to a multistage buffering energy-absorbing type bumper of a truck, which comprises a primary buffering device and a secondary buffering device, the primary buffering device comprises an anti-collision beam, the anti-collision beam is connected with a first buffering block through a plurality of energy-absorbing boxes, the first buffering block is connected with a mounting seat through the secondary buffering device, and the mounting seat is connected with the bumper. The mounting seat is connected with a frame; the second-stage buffering device comprises a connecting seat arranged above the first-stage buffering device, a second buffering block and a buffering cylinder arranged in the mounting seat, the connecting seat and the second buffering block are connected together in a left-right mode, a plurality of through via holes are evenly formed in the side face of the second buffering block, and a buffering rod and a buffering spring are arranged in the buffering cylinder; the free en