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Front bumper bottom popup device of vehicle

A front bumper and pop-up device technology, which is applied to vehicle components, transportation and packaging, and vehicle safety arrangements, can solve the problems of pedestrian secondary injury, high cost of air bag manufacturing and installation, and poor vision, so as to reduce deaths Chance, good energy absorption effect

Inactive Publication Date: 2015-10-07
ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above-mentioned pedestrian protection device also has the following defects: because the above-mentioned air bag will be tiled on the front windshield when it is deployed, the driver's line of sight is blocked and the line of sight becomes poor, which is unfavorable to the handling of driving behavior after the accident. , it is easy to cause secondary injury to pedestrians due to driving misoperation; in addition, the manufacturing and installation costs of air bags are relatively high

Method used

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  • Front bumper bottom popup device of vehicle
  • Front bumper bottom popup device of vehicle
  • Front bumper bottom popup device of vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The pop-up device at the bottom of the front bumper of the automobile comprises a lower support beam 2, a mounting bracket 3, a mounting sleeve 4, gunpowder 5, a limiting shoulder 6, a raised portion 7, and a mounting cavity a.

[0023] Specifically, as Figure 4 and Figure 5 As shown, the car includes a front bumper 1, and the pop-up device is arranged at the bottom of the front bumper 1. like figure 1 As shown, the pop-up device includes a strip-shaped lower support beam 2, a mounting bracket 3, a position-limiting structure and an installation cover 4 fixed on the lower support beam 2, and the mounting bracket 3 is rod-shaped and fixed on the front bumper 1. bottom. The installation sleeve 4 is sleeved on the installation bracket 3 and is slidably connected with the installation bracket 3. The length of the installation sleeve 4 extending horizontally relative to the front of the front bumper 1 is 200mm-300mm. The lower supporting beam 2 is located between the t...

Embodiment 2

[0027] The technical solution in this embodiment is basically the same as the technical solution in Embodiment 1, the difference is that, as image 3 As shown, in this embodiment, the limiting structure includes a limiting shoulder 6 located at the inner end of the mounting bracket 3 and a limiting screw 8 fixed on the outer peripheral surface of the mounting sleeve 4, and the limiting shoulder 6 can abut against the limiting bit screw 8 on.

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Abstract

The invention provides a front bumper bottom popup device of a vehicle, and belongs to the technical field of vehicles. The device solves problems that how motion trails after pedestrian is crashed can be changed, and how to reduce probability of striking pedestrian head to the region from the lower edge of a windscreen to the rear edge of an engine cover. The popup device is arranged on the bottom of a front bumper, and comprises a long-strip lower part supporting beam, a mounting bracket, a spacing structure, and an installing sleeve fixed on the lower part supporting beam. The mounting bracket is fixed on the bottom of the front bumper. The installing sleeve is sleeved on the mounting bracket and is slidably connected with the mounting bracket. The spacing structure is used to prevent the installing sleeve from separating from the mounting bracket. The inner ends of the lower part supporting beam, the installing sleeve, and the mounting bracket form an installation cavity. The installation cavity is internally provided with gunpowder. After the gunpowder is detonated, impulsion can make the lower part supporting beam pop up from the bottom of the front bumper. The height of the lower part supporting beam relative to ground is smaller than a quarter of the height of vehicle front wheels. thus, motion trails after a pedestrian is crashed are changed and damages are reduced.

Description

technical field [0001] The invention belongs to the technical field of automobiles, and relates to a front bumper bottom ejection device of an automobile. Background technique [0002] According to research data, the main cause of pedestrian-vehicle collision death is the severe impact on the head of pedestrians. According to traffic accident investigation data, the region from the lower edge of the windshield to the rear edge of the hood is likely to cause serious head injuries to pedestrians due to the greater rigidity of the body structure, and the collision probability in this area is significantly higher than that in other positions of the vehicle. [0003] In order to reduce the injury to the pedestrian's head in the above-mentioned area, as the Chinese patent [application number 200510103316.4; publication number CN1931638A] discloses a car including a pedestrian protection device, and the pedestrian protection device includes a control unit, an air source and an air ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R21/34
CPCB60R21/34B60R2021/346
Inventor 吕晓江
Owner ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD
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