Vehicle body structure

The vehicle body structure improves load distribution and rigidity by integrating roof side rails, center pillars, and a center reinforcement, addressing deformation and noise issues while reducing parts and cost.

JP2026086060APending Publication Date: 2026-05-26TOYOTA JIDOSHA KK

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
TOYOTA JIDOSHA KK
Filing Date
2024-11-14
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing vehicle body structures lack efficient load transmission and distribution mechanisms, leading to potential deformation and reduced rigidity during collisions, and they do not adequately address vibration-induced noise issues.

Method used

A vehicle body structure comprising a pair of roof side rails, center pillars, and a center reinforcement that forms a ring-shaped structure, with the center reinforcement partially overlapping the center pillars, and windshield and rear windows fixed to a highly rigid upper wall, utilizing adhesive layers for vibration damping.

Benefits of technology

Enhances load distribution and rigidity, reduces deformation, suppresses vibrations and noise, and maintains a refined aesthetic while minimizing parts and cost.

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  • Figure 2026086060000001_ABST
    Figure 2026086060000001_ABST
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Abstract

We disclose a vehicle body structure that can further improve the overall rigidity of the vehicle. [Solution] The vehicle body structure comprises a pair of roof side rails 18 provided at both ends in the width direction of the upper part of the vehicle body 10, a pair of center pillars 14 which are skeletal members connected to each of the pair of roof side rails 18, a center reinforcement 40 which is a skeletal member connecting the pair of roof side rails 18 and whose front-rear range at least partially overlaps with the front-rear range of the center pillars 14, and a windshield glass 60 fixed to the center reinforcement 40.
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