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Vehicle hood panel

一种发动机、车辆的技术，应用在车辆部件、车辆安全安排、上部结构等方向，能够解决无法解决成本上升、部件个数增加等问题

Active Publication Date: 2015-06-03
KOBE STEEL LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0025] However, in such a structure, the number of parts will increase, and the problem of cost increase cannot be solved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach

[0116] First, the structure of the vehicle bonnet according to the first embodiment of the present invention will be described. figure 1 It is a plan view showing the vehicle bonnet according to the first embodiment of the present invention, figure 2 (a) is figure 1 A-A sectional view in, figure 2 (b) is figure 1 The B-B sectional view in, figure 2 (c) is figure 2 Enlarged view of part C in (a). Such as figure 1 As shown, the vehicle engine cover 1 according to the present embodiment and Figure 28 The shown conventional vehicle hood panel 10 has the same inner panel 3 and outer panel 2 , and the outer edge of the inner panel 3 and the outer edge of the outer panel 2 are joined by hemming, for example. The inner panel 3 and the outer panel 2 are formed of metal plates such as iron, aluminum or aluminum alloy, and the thickness of the plates is, for example, 0.7 to 1.1 mm. Such as figure 1 As shown, in the center of the inner panel 3 , there is formed a magnet...

no. 2 Embodiment approach

[0129] Next, a vehicle engine cover according to a second embodiment of the present invention will be described. Figure 4 It is a plan view showing the vehicle bonnet according to the second embodiment of the present invention, Figure 5 (a) is Figure 4 A-A sectional view in, Figure 5 (b) is Figure 5 Enlarged view of part F in (a). In the rib 32 of the present embodiment, at least one of the vertical wall 32b on the vehicle front side and the vertical wall 32c on the vehicle rear side is also provided such that the ratio of the curvature radius of the upper end edge to the central portion in the left-right direction of the vehicle in a plan view The end portions in the left-right direction of the vehicle are curved such that the radius of curvature is small. In addition, if Figure 4 As shown, the rib 32 is curved so that the central portion 320 in the vehicle left-right direction protrudes forward of the vehicle in plan view. In the present embodiment, between the c...

no. 3 Embodiment approach

[0140] Next, a vehicle hood panel according to a third embodiment of the present invention will be described. Figure 7 (a) is a plan view showing a vehicle bonnet according to a third embodiment of the present invention, Figure 7 (b) is Figure 7 A-A sectional view in (a), Figure 8 (a) is Figure 7 A perspective view of part G in (b), Figure 8 (b) and Figure 8 (c) is Figure 7 Enlarged view of part G in (b). In this embodiment, at least one of the vertical walls 32b, 32c on the vehicle front side and the vehicle rear side is also provided such that the upper end edge on the side of the acrylic contact surface 31 is at the center of the vehicle left-right direction in plan view. The point that the curvature radius is smaller than the curvature radius of the end portion in the left-right direction of the vehicle is the same as that of the first and second embodiments. However, in this embodiment, with Figure 4 Unlike the case of the illustrated second embodiment, t...

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Abstract

A vehicle hood panel (1) includes an outer panel (2) and an inner panel (3) joined to each other. The inner panel (3) includes a mastic seating face (31) and is mastic-joined to the outer panel (2) in the mastic seating face (31). The inner panel (3) includes a plurality of beads (32) disposed surrounded by the mastic seating face (31). The beads (32) extend in the left-right direction of the vehicle, with a bottom portion (32a) of the beads connected to the mastic seating face (31) by vertical walls (32b, 32c, 32e). At least one of a front vertical wall (32b) and a rear vertical wall (32c) has an upper edge thereof curved when viewed in plan, with a center portion thereof in the left-right direction of the vehicle having a radius of curvature (R0) smaller than a radius of curvature (RS) of an end portion thereof in the left-right direction of the vehicle. The vehicle hood panel provides high pedestrians protection performance irrespective of the position of the head of a colliding pedestrian, while maintaining bending deformation performance in the event of frontal collision of the vehicle.

Description

technical field [0001] The invention relates to a vehicle engine cover. In particular, the present invention relates to a vehicle hood panel excellent in pedestrian protection performance during a collision and vehicle front surface collision performance. Further, the present invention relates to a vehicle hood that is excellent in pedestrian head collision performance, and to a vehicle hood that can ensure dent resistance right above a striker at low cost. Background technique [0002] First, the first prior art will be described. Conventionally, in an automobile having a hood at the front of the vehicle, the hood panel for the vehicle is composed of an outer panel, an inner panel, and other reinforcements. In order to ensure high rigidity and strength of the hood panel for the vehicle, an outer A hood panel for a vehicle in which a panel and an inner panel are joined with a space apart. [0003] Various techniques have been proposed in order to secure high mechanical pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D25/08
CPCB62D25/105B60R21/34B62D25/12B60R2021/343B62D27/026B62D25/10
Inventor 吉田正敏
Owner KOBE STEEL LTD
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