Bionic rear bumper for heavy vehicles

Abstract

The invention discloses a heavy automobile biomimetic rear bumper which is used for solving the problems that the energy-absorbing performance of common materials of existing heavy automobile bumpers is poor and consequently the phenomenon that a small vehicle dashes into the space under a former vehicle is liable to occur. The heavy automobile biomimetic rear bumper comprises a bumper body which is composed of an upper oblique face, a lower oblique face and two semicircular-arc faces with different radii, and the two semicircular-arc faces connect the upper oblique face and the lower oblique face. Two lower supports are fixedly installed on the upper oblique face of the bumper body and are sequentially hinged to the lower ends of two buffer rods, and the upper ends of the two buffer rods are sequentially hinged to two upper supports. The two upper supports are both fixed to the upper portion of a rear frame of a heavy automobile. Two buffer blocks are both in a circular truncated cone shape. The semicircular-arc face with the smaller radius of the bumper body is fixedly connected with the upper bottom faces of the two buffer blocks in sequence through two connecting blocks. The lower bottom faces of the two buffer blocks are both fixed to the lower portion of the rear frame of the heavy automobile. The heavy automobile biomimetic rear bumper is simple in structure, low in cost, good in energy-absorbing effect and easy to apply and popularize.

Description

technical field [0001] The invention belongs to the field of heavy-duty automobile parts and relates to a rear bumper of a heavy-duty automobile, in particular to a bionic rear bumper of a heavy-duty automobile which slows down and absorbs external impact force and protects the front and rear parts of a vehicle body. Background technique [0002] With the increasing requirements for vehicle driving safety, in terms of reducing the damage suffered by vehicles in the event of a collision, currently heavy vehicles are equipped with rear bumpers. The rear bumper of a heavy-duty vehicle is a safety device that slows down and absorbs external impact and protects the rear of the vehicle body. However, at present, the rear bumpers of heavy-duty vehicles in my country are almost all non-energy-absorbing bumpers of ordinary materials with solid rectangular or circular cross-sections, and the rear bumpers are rigidly connected to the body, which is actually a major factor in the safety...

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at overcoming the problems of poor energy absorption of common materials of existing bumpers and the problems that small cars are easily drilled into the bottom of the front car, and provides a new type of bionic rear bumper for heavy-duty cars. It has superior strength and cushioning and energy-absorbing capabilities, and minimizes the damage and deformation of the car when a collision occurs

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