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front body structure

A technology for the front of the vehicle body, the front and rear of the vehicle body, applied in the directions of the upper structure, the lower structure, the upper structure sub-assembly, etc., can solve the problems such as the inability to fully absorb the impact energy, the inability to buckling and deform the front frame, and achieve a firm support. , the effect of increasing energy absorption

Active Publication Date: 2015-11-25
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when a front collision load acts on the front side frame from the front of the vehicle body, a reaction force against the front collision load is generated on the subframe, and the front side frame cannot be buckled and deformed.
Therefore, the impact energy generated by the frontal collision load cannot be sufficiently absorbed

Method used

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Examples

Experimental program
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Embodiment

[0066] Such as Figure 1 to Figure 8 As shown, the front structure of the vehicle body in this embodiment includes: a front bulkhead 15 arranged in front of the vehicle body 11; a front side frame 16 extending from the front bulkhead 15 to the rear of the vehicle body; The shock absorber housing 17 in the middle of the vehicle width outside; the subframe (front subframe) 18 supported on the front side frame 16; the rear part of the front side frame 16, and the engine compartment 13 and The instrument panel lower panel 21 ( Figure 4 ); the base plate 22 ( Figure 4 ); at the rear of the instrument panel lower panel 21 and on the side of the bottom plate 22 along the front and rear direction of the vehicle body; Channel part 24.

[0067] The front side frame 16 is composed of a straight portion 27 in which the front portion is linearly extended in the front-rear direction of the vehicle body, a curved portion 28 in which the middle portion is bent in the vehicle width direct...

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Abstract

A structure for the front of a vehicle body comprises front side frames (16). The front side frames (16) have bend portions (29) in the rear portion thereof, said bend portions (29) sloping downwards along a dashboard lower panel (21) as the front side frames (16) extend towards the back of the vehicle body. Side sill-side extensions (45) curve to the side of side sills (23) from the end parts (29a) of the bend portions (29). Curving tunnel-side extensions (46) curve towards a tunnel portion (24). The side sill-side extensions (45) and the tunnel-side extensions (46) form branched portions (48) branching at substantially the same angle. Triangular load support portions (49) are formed at the back of the branched portions (48) between the side sill-side extensions (45) and the tunnel-side extensions (46). Rear end support portions (59) for supporting the rear ends (18b) of sub frames (18) are provided to the bend portions (29) and the fronts of the load support portions (49).

Description

technical field [0001] The present invention relates to a vehicle body front structure, which has: a front side frame extending along the front-rear direction of the vehicle body, an instrument panel lower panel arranged to separate the engine room from the vehicle compartment, and a rear edge of the instrument panel lower panel. A side member extending in the front-to-rear direction of the vehicle body. Background technique [0002] Such a vehicle body front structure is known from, for example, Patent Document 1. In this vehicle body front structure, a bent portion (inclined portion) bent along the lower panel of the instrument panel is formed on the front side frame, a subframe mounting bracket is provided on the bent portion, and a plate member is provided, and A nut member for mounting the subframe (chassis frame) is supported by the subframe mounting bracket and the plate member. [0003] According to the vehicle body front structure disclosed in Patent Document 1, w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D25/20
CPCB62D25/08B62D21/11B62D25/082B62D25/2018
Inventor 井关正重友泽幸作石园学吉本毅
Owner HONDA MOTOR CO LTD
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