Vehicle body rear top structure and assembling method thereof

Abstract

The invention relates to a vehicle body rear top structure and an assembling method thereof.The vehicle body rear top structure comprises a left side wall assembly, a right side wall assembly, a rear cross beam and a top cover, the left section of the rear cross beam is in lap joint with the upper side of the left side wall assembly, the right section of the rear cross beam is in lap joint with the upper side of the right side wall assembly, and the rear portion of the top cover is in lap joint with the upper side of the rear cross beam; a left cavity is defined by the left section of the rear cross beam and the left side wall assembly, a right cavity is defined by the right section of the rear cross beam and the right side wall assembly, and a middle cavity is defined by the rear portion of the top cover and the middle section of the rear cross beam. The assembling method is used for assembling the vehicle body rear top structure. The automobile rear axle assembly has the advantages of few parts, light weight, reliable structure and simple manufacturing process, the production efficiency of the whole automobile is improved, the cost of the whole automobile is reduced, and the lightweight effect of the whole automobile is obvious.

Description

technical field [0001] The invention relates to automobiles, in particular to a vehicle body rear top structure and an assembling method thereof. Background technique [0002] With the consumption upgrade of the automobile market, the requirements for vehicle performance and interior space are getting higher and higher. In order to enhance their own competitiveness, major enterprises are paying more and more attention to the structure and lightweight of automobiles. [0003] At present, the convenience of taking and placing items in the luggage compartment of passenger cars depends on the opening form of the rear door. Structural performance and assembly accuracy are required to be higher, resulting in complex rear top structure and high manufacturing process requirements, resulting in low production efficiency and high vehicle manufacturing costs. SUMMARY OF THE INVENTION [0004] The purpose of the present invention is to provide a vehicle body rear roof structure and a...

AI Technical Summary

Problems solved by technology

[0003] At present, the convenience of picking and unloading items from the trunk of a passenger car depends on the opening form of the back door. The advantage of the swing-out back door is that it can increase the operating space for picking and unloading items from the trunk, but the swing-out back door has a large impact on the rear top of the vehicle body. Higher requirements for structural performance and assembly precision lead to complex rear roof structure and high manufacturing process requirements, resulting in low production efficiency and high vehicle manufacturing costs

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