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Vehicle front body structure

A front body and vehicle technology, applied in the direction of upper structure, vehicle parts, upper structure sub-assembly, etc., can solve the problems of deformation and collapse of surrounding parts

Inactive Publication Date: 2007-11-14
MAZDA MOTOR CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the impact load acting on the front side member is not only from the front, but also from the side. Therefore, in the structure described in the above-mentioned Patent Document 1, if there is an impact If the load acts on the front side beam from the side, it may cause deformation of the connection part of the dash panel connected to the front side beam and its surrounding parts, which will cause the front side beam to move in the vehicle width direction with the connection part as the fulcrum. Medial collapse

Method used

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Embodiment Construction

[0018] Hereinafter, a front body structure of a vehicle according to an embodiment of the present invention will be described with reference to FIGS. 1 to 5 .

[0019] As shown in FIGS. 1 and 2 , an engine compartment 2 is provided at the front of a vehicle 1 according to this embodiment, and a vehicle compartment 3 is provided behind the engine compartment 2 . separated by. The lower portion of the dash panel 11 is bent toward the cabin 3 , and its lower edge (rear edge) is joined to the front edge of the floor 12 .

[0020] As shown in FIGS. 1 and 3 , a tunnel portion (tunnel) 12 a protruding upward and extending in the front-rear direction is formed at the central portion in the vehicle width direction of the floor panel 12 . The upper surface of this tunnel portion 12a is joined with a tunnel portion reinforcing member 13 as shown in FIGS. 1 and 5 . In addition, the side sill 15 of the closed section structure extends along both left and right edge portions of the floor ...

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Abstract

The vehicle front body structure of the present invention has a gusset (50), and the gusset (50) is connected to the front side member ( 30) The connecting part and the above-mentioned hinge pillar (20), the gusset (50) and the face of the engine room (2) side of the dash panel (11), along the vehicle compartment of the dash panel (11) ( 3) The closed cross-sectional structure on the side of the vehicle compartment formed by the side surface and the reinforcing member (40), forming a closed cross-sectional structure on the side of the engine compartment. According to the present invention, even when an impact load acts on the front side member (30) from the side, the front side member (30) can be prevented from collapsing inwardly.

Description

technical field [0001] The invention relates to a front body structure of a vehicle, belonging to the technical field of body structures. Background technique [0002] The front body of a vehicle is generally provided with a dash panel separating the vehicle compartment and an engine room, and hinge pillars (hinge pillars) which are joined to the left and right side edges of the dash panel and have a closed cross-sectional structure extending in the vertical direction. , and a pair of left and right front side members extending forward from the dash panel on the inner side of the hinge strut in the vehicle width direction. As a structure for distributing the impact load acting on the front side member from the front, Japanese Patent Laid-Open Publication No. Hei 4-74185 (hereinafter referred to as "Patent Document 1") discloses the following technical solution. The vehicle compartment side of the panel is connected to the above-mentioned hinge strut and the side member conn...

Claims

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Application Information

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IPC IPC(8): B62D25/14
Inventor 桐田宏平角屋敏光波多野和久藤井公博
Owner MAZDA MOTOR CORP
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