Sound insulation board for vehicle, front cabin, vehicle body structure and vehicle

By using a combination of baffles and connecting pieces inside the triangular window cavity of the vehicle's front engine compartment, the problems of difficult installation and exposure of the sound insulation panel are solved, achieving efficient and stable sound insulation and noise reduction effects.

CN224335580UActive Publication Date: 2026-06-09SHANGHAI LIXIANG AUTOMOBILE CO LTD
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Patent Information

Application Number
CN202520974790.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-16
Publication Date
2026-06-09
Estimated Expiration
2035-05-16

AI Technical Summary

Technical Problem

The sound insulation panel inside the triangular window cavity of the vehicle's front engine compartment is difficult to install, and the fastener structure of the sound insulation panel is easily exposed, affecting the assembly operation.

Method used

The system adopts a combination structure of baffle and connecting piece. The outer edge of the baffle is connected to the inner wall of the triangular window cavity. The connecting piece is welded for installation, avoiding the need for opening holes at the joint between the front cover and the outer side panel. The foam layer is used to seal the connection with the inner wall, improving installation stability and sound insulation.

Benefits of technology

It reduces the difficulty of installing sound insulation panels, improves installation efficiency and stability, avoids exposing sound insulation panels, and enhances sound insulation and noise reduction effects.

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Abstract

The utility model relates to the technical field of vehicles, in particular to a sound insulation plate for a vehicle, a front cabin, a vehicle body structure and the vehicle. The sound insulation board for the vehicle comprises a baffle and a connecting piece, and the circumferential outer edge of the baffle is used for being connected with the inner wall of a quarter window cavity of a front cabin of the vehicle. The connecting piece is connected with the baffle and arranged in the front cabin. The front cabin, the vehicle body structure and the vehicle comprise the sound insulation plate for the vehicle, the baffle is arranged in the quarter window cavity so as to isolate a transmission path of noise in the quarter window cavity, and the sound insulation and noise reduction effect is improved. The baffle is installed in the triangular window cavity through the connecting piece, the installation difficulty of the sound insulation board for the vehicle is reduced, the installation efficiency and the installation stability are improved, and meanwhile the sound insulation board for the vehicle or installation accessories of the sound insulation board are prevented from being exposed to the outer side of the front end cover plate.
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