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Vehicle structure for automobile

A body, automobile technology, applied in the direction of bumpers, etc.

Active Publication Date: 2012-11-21
MAZDA MOTOR CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In addition, if wrinkle deformation or collapse deformation occurs depending on the angle at which the collision load is applied, the impact absorption performance of the crash box will also vary. Unstable, so the collision energy transmitted to the side of the body frame will also change, and the design of the body is difficult

Method used

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  • Vehicle structure for automobile
  • Vehicle structure for automobile
  • Vehicle structure for automobile

Examples

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Embodiment Construction

[0060] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[0061] First, according to Figure 1 to Figure 4 The vehicle body structure of the automobile according to this embodiment will be described. figure 1 It is a disassembled perspective view showing the vehicle body structure of the front portion of the vehicle to which this embodiment is applied; figure 2 It is an overall perspective view of the crash box of this embodiment; image 3 It is a front view showing in detail the positional relationship between the crash box on the right side of the vehicle body and the front side frame; Figure 4 It is a perspective view showing a reinforcement bracket (bracket) provided on the front side frame.

[0062] Such as figure 1 As shown, the vehicle body structure at the front part of the vehicle includes: a pair of front side frames 1, 1 located on the left and right sides and extending along the front and rear dir...

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PUM

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Abstract

The invention discloses an automobile body structure. Section of a collision energy-absorbing box (3) is approximately a cross-shaped close section (approximately a cross-shaped box shape), concretely, projecting and approximately rectangular protruding portions (35, 36, 37, 38) are formed on upper edge, lower edge, left edge and right edge, and length (L) of each edge arranging each protruding portion (35, 36, 37, 38) are approximately equal. Angle (alpha) formed by angle portions (39, 40) between each edge is approximately right-angle, namely 90 DEG. So that, the collision energy-absorbing box is arranged in the automobile body structure at front end of body skeleton extended along automobile front-and-rear direction to provide a corrugation deformation generated by the collision energy-absorbing box not only when the automobile suffers load from right side but also when the automobile suffers bias load on vehicle wide direction, thereby assuredly performing collision energy-absorbing property of automobile body structure.

Description

technical field [0001] The present invention relates to an automobile body structure, in particular to an automobile body structure in which a crash box is arranged at the front end of a body frame extending in the front-rear direction of the vehicle. Background technique [0002] Heretofore, there has been known an automobile body structure in which the rigidity in the axial direction (vehicle front-rear direction) is lower than that of the body frame in the axial direction in order to properly absorb the collision energy at the time of vehicle collision. The rigid energy-absorbing box on the vehicle is arranged at the front end of the body frame (front side frame or rear side frame) extending along the front-to-back direction of the vehicle, so that the collision energy-absorbing box produces buckling deformation at the initial stage of collision to absorb the collision. energy. [0003] For example, in the following Patent Document 1, there is described a shock absorbing...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60R19/34
CPCB60R19/34
Inventor 寺田荣小胁三穗中山伸之
Owner MAZDA MOTOR CORP
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