Light electric automobile body structure

A technology for electric vehicles and car bodies, applied in superstructure, substructure, vehicle parts, etc., can solve problems such as anti-corrosion requirements, high production costs, low longitudinal stiffness of the vehicle, and difficult repair of the car body, and achieve good vibration isolation effect and safety Improved performance and greater longitudinal stiffness

Inactive Publication Date: 2014-12-10
山东宝雅新能源汽车有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The traditional electric vehicle body structure has many disadvantages: poor comfort, vibration and noise are easily transmitted directly into the car; the longitudinal rigidity of the vehicle is low; high design requirements, difficult to modify, difficult to repair after the body is damaged, which is not conducive to body deformation, etc. Modification design; anti-corrosion requirements, high production cost

Method used

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  • Light electric automobile body structure
  • Light electric automobile body structure

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Experimental program
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Embodiment Construction

[0022] Such as figure 1 as shown,

[0023] As a fully welded aluminum alloy frame, the electric vehicle frame mainly has the following features.

[0024] Chassis frame 1, the chassis frame 1 is a "curved" shape formed by cross-beams and longitudinal beams made of aluminum alloy and welded. Several auxiliary beams 18 are welded inside the chassis frame, which improves the overall strength of the chassis frame and provides space for the installation of other functional components. In this structure, the cross-sections of the beams 15 and the longitudinal beams 16 are Japanese-shaped aluminum extruded profiles, and the auxiliary beams are also made of aluminum square tubes to form a chassis.

[0025] According to the different functional parts installed, the chassis frame is divided into front wheel assembly installation area 11, pedal area 12, battery assembly installation area 13 and rear wheel suspension system installation area 14 from front to back. The front wheel assemb...

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PUM

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Abstract

A light electric automobile body structure comprises a frame, an automobile body, an electric motor, suspensions, front wheels and rear wheels. The frame is of an integrated frame structure welded by aluminum alloy profiles and plates, the electric motor, the suspensions and the automobile body are arranged on the frame, the frame is connected with the wheels through a front suspension and a rear suspension, screw holes for fixing the automobile body are formed in the frame, and a base for fixing springs is arranged on the frame. The automobile body is good in comfort, and therefore, riding comfort is improved. The electric motor is not fixed on the automobile body directly, so that noise is unlikely to be transmitted into an automobile. The finished automobile is large in longitudinal rigidness, various impacts transmitted to the automobile body from the road surface can be relieved, and the service life of the automobile body is prolonged. When automobile collision happens, the frame can absorb part of impact energy, and therefore, safety performance is improved. The bearing factor of the automobile body is small, so that development of variants is facilitated. A chassis and the automobile body which serve as assemblies are assembled in advance respectively, so that the assembly process of the finished automobile is simplified.

Description

technical field [0001] The invention relates to the technical field of electric vehicles, in particular to a light electric vehicle body structure. Background technique [0002] Most electric vehicles currently on the market adopt a body structure without an independent vehicle frame. The electric vehicle of this structure does not have a vehicle frame itself, and the vehicle body is used as the installation basis of various assemblies such as the motor and the chassis, and the load of the vehicle body is transmitted to the wheels through the suspension device. [0003] The traditional electric vehicle body structure has many disadvantages: poor comfort, vibration and noise are easily transmitted directly into the car; the longitudinal rigidity of the vehicle is low; high design requirements, difficult to modify, difficult to repair after the body is damaged, which is not conducive to body deformation, etc. Modified design; anti-corrosion requirements, high production costs...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D29/00B62D21/02B62D21/15B62D21/00
Inventor 毕研猛吕洪勇高成雷胡建伟张洪森梁成海王磊
Owner 山东宝雅新能源汽车有限公司
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