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A plastic back door structure

A technology for back doors and plastics, applied in doors, vehicle parts, transportation and packaging, etc., can solve the problems that the weight reduction potential of the door structure is not fully tapped and the weight is large, and achieve a balance between economy and safety, and reduce weight , The effect of reducing maintenance costs

Active Publication Date: 2019-03-01
天际汽车(长沙)集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the utility model uses metal brackets to support the plastic inner door panel and the plastic outer door panel. Since the metal parts are heavier than the plastic parts of the same volume, the weight reduction potential of the door structure has not been fully tapped.

Method used

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  • A plastic back door structure
  • A plastic back door structure
  • A plastic back door structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 1 , Figure 4As shown, a plastic back door structure is located at the tail of the car. The plastic back door structure includes a back door inner panel body 1 and a back door outer panel body 2, a decorative panel on the back door, a back door left / The right decorative panel is integrally injection-molded on the back door inner panel body 1, the spoiler and the tail light box are integrated on the back door outer panel body 2, the back door inner panel body 1 and the back door outer panel body 2 are both It is made of plastic and fixed as a whole. A small amount of sheet metal reinforcing plates are also arranged on the back door inner panel body 1 and the back door outer panel body 2 to install the back door lock, air pressure strut, wiper motor, back door Rigid components such as door hinges. A reinforcing structure is provided between the back door inner panel body 1 and the back door outer panel body 2. The reinforcing structure includes a rib pl...

Embodiment 2

[0031] Such as figure 2 , image 3 As shown, the distribution area of ​​the rib plate is two, and the rib plate 3 on the back door outer panel body 2 forms twelve rib grooves in groups of two, and the rib groove is connected with the inner panel body 1 of the back door. The positions and numbers of the reinforcing rib plates 3 correspond to each other, and the reinforcing rib plates 3 on the back door inner panel body 1 are adapted to be inserted in the reinforcing rib grooves. Buffer 4 is a spring buffer. All the other are with embodiment 1.

Embodiment 3

[0033] The stiffeners 3 are distributed in grid form. There is no buffer 4 in the gap between the back door inner panel body 1 and the back door outer panel body 2 . All the other are with embodiment 1.

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Abstract

The invention discloses a plastic back door structure. The plastic back door structure is arranged at the tail of an automobile and comprises a back door inner plate body and a back door outer plate body. The back door inner plate body and the back door outer plate body are both made of plastic and are fixedly connected into a whole. A reinforcing structure is arranged in a gap between the back door inner plate body and the back door outer plate body. According to the plastic back door structure, modularization of large components is achieved, assembling errors are decreased, machining is convenient, the production efficiency is improved, the degree of freedom of modeling of the finished automobile is increased, the resilience is high, the material recovery advantage is achieved, the weight reducing effect and the protection performance are both achieved, and the economical efficiency and the safety are balanced.

Description

technical field [0001] The present invention relates to an automobile component structure, and more particularly, it relates to a plastic tailgate structure. Background technique [0002] With the increasing shortage of energy and the sharp deterioration of environmental problems, the fast-growing automotive industry has the responsibility to shoulder the heavy responsibility of energy conservation and environmental protection. In the design of modern automobiles, the lightweight design concept can solve these two problems at the same time, so realizing the lightweight of automobiles will be an important goal pursued by international advanced automobile manufacturers. It is estimated that every 10% reduction in vehicle weight will save 8% to 10% of energy consumption, which is of great significance for improving the cruising range of new energy vehicles. The body parts account for 40% to 60% of the total mass of the car, so the lightweight of the car body has a significant ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60J5/10
CPCB60J5/10B60J5/107
Inventor 徐礼平王银黄绪张源勇王中会
Owner 天际汽车(长沙)集团有限公司
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