All-aluminum-alloy light-weight car bottom plate

Abstract

The invention relates to an all-aluminum-alloy light-weight car bottom plate comprising a hollow frame, a plurality of bottom plates, a longitudinal girder and a cross girder, wherein the hollow frame is manufactured by extruding aluminum alloy, the upper part of the inner side surface of the frame is provided with an inserting groove penetrating through the frame along front and rear horizontal directions, the left and right sides of the longitudinal girder are respectively provided with the bottom plates, the upper surface of a cover plate of each bottom plate is mutually parallel and levelto the upper surface of a top plate A of the longitudinal girder along a horizontal direction, the adjacent side edges of the cover plate and the top plate A are lapped on a lapping groove arranged on one side of the top plate A, the side edges of the adjacent cover plates are mutually lapped and connected, a plurality of cover plates and the top plate A form a rectangular bottom plate, the frameis positioned on left and right sides of the rectangular bottom plate, the outer side edge of the cover plate which is adjacent to the frame is inserted into the inserting groove on the frame, and each cross girder respectively penetrate through an upright plate A arranged on each longitudinal girder along left and right directions. The invention aims at providing the all-aluminum-alloy light-weight car bottom plate which has high strength, high rigidity, light deadweight and long service life, can reduce energy consumption when a car drives and saves energy.

Description

technical field [0001] The invention relates to an automobile part, in particular to an all aluminum alloy lightweight vehicle floor. Background technique [0002] The existing vehicle floor is usually a steel structure, and is installed on the vehicle chassis through a steel longitudinal beam. Its own weight is relatively large, and its dimension in the height direction is also large, which will increase the fuel consumption of the vehicle during driving. Consumption, reducing the available space of the cargo compartment. Due to design problems, the vehicle base plate made of aluminum is difficult to meet in terms of strength, rigidity, compressive capacity and service life. In addition, in the process of thermal expansion and cold contraction of the base plate, the existing design structure cannot avoid destructive deformation of the entire base plate structure. Contents of the invention [0003] The object of the present invention is to provide an all-aluminum alloy l...

AI Technical Summary

Problems solved by technology

[0002] The existing vehicle floor is usually a steel structure, and is installed on the vehicle chassis through a steel longitudinal beam. Its own weight is relatively large, and its dimension in the height direction is also large, which will increase the fuel consumption of the vehicle during driving. Consumption, reducing the available space of the cargo compartment

Due to design problems, the vehicle base plate made of aluminum is difficult to meet the requirements of use in terms of strength, rigidity, compressive capacity and service life.

In addition, in the process of heat expansion and contraction of the bottom plate, the existing design structure cannot avoid destructive deformation of the entire bottom plate structure

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