Underrun protector mounting structure of vehicle

An installation structure, anti-drilling technology, applied in the direction of vehicle safety arrangement, vehicle components, transportation and packaging, etc., can solve problems such as weight increase, cost increase, complex shape, etc., and achieve the effect of improving rigidity and strength

Active Publication Date: 2009-01-28
ISUZU MOTORS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, an increase in the thickness of the connecting element leads to an increase in weight
In addition, due to the complex shape of the connecting element having the main body portion and the flange portion, the cost required to manufacture the connecting element increases

Method used

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  • Underrun protector mounting structure of vehicle
  • Underrun protector mounting structure of vehicle
  • Underrun protector mounting structure of vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0060] Referring to the drawings, embodiments of the present invention will be described below. figure 1 is a schematic side view of the cab-over truck according to this embodiment. figure 2 It is an enlarged perspective view of the main part of the underrun protector installation structure. image 3 is along figure 2 A cross-sectional view taken along the line I-I. Figure 4 is along figure 2 A cross-sectional view taken along the line II-II. Figure 5 It is an exploded perspective view of the installation structure of the underrun protection device. Fig. 6 is an exploded perspective view of the installation structure of the underrun protector. Figure 7 is an enlarged cross-sectional view of the main part, showing the state where an impact load acts on the front underrun protector. Figure 8 is a schematic diagram of a front underrun protector modeled as a cantilever beam. Note that "front" in the drawings represents the front of the vehicle, and "top" in the drawi...

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PUM

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Abstract

An underrun protector mounting structure (3) comprises a chassis frame (4), an underrun protector (5) disposed at the front or rear of the chassis frame (4) and extending in the lateral direction of a vehicle, a bracket (6) for securing the underrun protector (5) to the chassis frame (4), and a support part (7) interposed between the front underrun-protector (5) and the bracket (6). The support part (7) includes a first plate (31) disposed on the underrun protector (5) side and a second plate part (32) disposed on the bracket (6) side of the first plate (31). The first plate (31) is formed wider than the second plate (32) in the lateral direction of the vehicle. The first plate part (31) and the second plate part (32) are stacked on each other like a leaf spring in the longitudinal direction of the vehicle.

Description

technical field [0001] The present invention relates to an underrun protector installation structure provided at the front or rear of a vehicle body frame. Background technique [0002] When a vehicle with a low vehicle height (hereinafter referred to as a small vehicle) such as a passenger car and a vehicle with a high vehicle height (hereinafter referred to as a large vehicle) such as a truck collide frontally or rearwardly, the small vehicle enters under the bottom of the large vehicle. In order to prevent such unsuitability, it is known that a large vehicle is provided with an underrun protector at its front or rear. Examples of the underrun protector mounting structure of a vehicle including the above-described underrun protector include those described in Patent Documents 1 to 3. [0003] According to the underrun protector mounting structure for a vehicle disclosed in Patent Document 1, since the underrun protector main body has a closed cross-sectional structure, hi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R19/56
CPCB60R19/56
Inventor 齐藤隆史
Owner ISUZU MOTORS LTD
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