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Reinforcing ring for automobile panoramic sunroof

A panoramic sunroof and reinforcing ring technology, applied in vehicle components, roofs, transportation and packaging, etc., can solve problems such as increasing vehicle development costs, reduce deformation, improve overall stiffness, and improve torsional stiffness and torsional modes. Effect

Active Publication Date: 2014-02-05
BEIJING CHANGAN AUTOMOBILE ENG TECH RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the overlapping methods of the two are not unified, the structure of the side wall needs to exist in two states, and a series of molds will be opened, thereby increasing the development cost of the vehicle

Method used

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  • Reinforcing ring for automobile panoramic sunroof
  • Reinforcing ring for automobile panoramic sunroof
  • Reinforcing ring for automobile panoramic sunroof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0028] see Figure 1-4 , a car panoramic sunroof reinforcement ring, which includes a reinforcement ring upper ring 1 and a reinforcement ring lower ring 2, the upper ring of the reinforcement ring is provided with a plurality of overlapping edges 1-1 at intervals, and the upper ring of the reinforcement ring is sequentially arranged There are a first step 1-5, a second step 1-9 and a third step 1-4; the lower ring of the reinforcement ring is provided with a first welding edge 2-4 and a second welding edge 2-5 in sequence, Among them, the first step is welded with the first welding side, the third step is welded with the second welding side, and a plurality of glue coating grooves 1-10 are arranged at the second step; the front end of the upper ring of the reinforcing ring is also provided with an avoidance hole 1-2 and 4 bosses 1-3, of which 4 bosses ...

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Abstract

The invention relates to a reinforcing ring for an automobile panoramic sunroof. The reinforcing ring comprises an upper reinforcing ring and a lower reinforcing ring, wherein a plurality of edges in lap joint to the side wall are arranged on the periphery of the upper reinforcing ring at intervals; first steps, second steps and third steps are arranged on the upper reinforcing ring sequentially; first welding edges and second welding edges are arranged on the lower reinforcing ring sequentially; the first steps are welded with the first welding edges; the third steps are welded with the second welding edges; gluing grooves are formed in the second steps; a yielding hole and four bosses are further arranged at the front end of the upper reinforcing ring; the four bosses are four bolt mounting points for the upper reinforcing ring and a roof front beam; four first mounting bosses are arranged at four corners of the lower reinforcing ring and are four mounting points for front and rear reinforcing brackets; and a plurality of second mounting bosses are arranged on the periphery of the lower reinforcing ring and are mounting points for the sunroof. According to the reinforcing ring for the automobile panoramic sunroof, the problems about the whole automobile stiffness and side wall sharing are solved; and a reinforcing ring structure suitable for the reinforcing ring for the panoramic sunroof is designed accordingly, so that the requirement for the mounting strength of the sunroof can be met, and the torsional stiffness and the torsional mode of a whole automobile can be improved.

Description

technical field [0001] The invention relates to the technical field of automobile bodies, in particular to a panoramic sunroof reinforcing ring structure. Background technique [0002] Currently, most cars are configured with a small sunroof or no sunroof. Some mid-to-high-end cars on the market have adopted panoramic sunroofs in order to improve the grade of the whole vehicle. [0003] When the car uses a small sunroof or no sunroof, the roof assembly has sufficient roof beam support, and the body rigidity can easily meet the performance target. However, compared with the small sunroof and no-sunroof roof assembly, the panoramic sunroof roof assembly has reduced 2 to 3 beams, which seriously weakens the rigidity of the roof assembly, resulting in a sharp drop in body rigidity. If the roof assembly of the panoramic sunroof adopts a single-piece reinforcement ring, the deformation of the roof will be too large during the torsional calculation, and the torsional stiffness an...

Claims

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Application Information

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IPC IPC(8): B60J7/00
Inventor 曹梦颖张治尚德平徐艳斌李腾
Owner BEIJING CHANGAN AUTOMOBILE ENG TECH RES
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