The invention relates to the technical field of vehicle bodies, and provides a body-in-white cavity sealing structure and method and a vehicle. The body-in-white cavity sealing structure comprises an expansion rubber piece and a support; the shape of the expansion rubber sheet is matched with that of a to-be-sealed part of the cavity of the body-in-white, the expansion rubber sheet in a specific shape can be obtained in a blanking mode, and the expansion rubber sheet is connected with the body-in-white through the support; the expansion rubber sheet comprises a plate, a first foaming body to be foamed and a second foaming body to be foamed. The plate is provided with a first surface and a second surface deviating from each other, the first foaming body is attached to the first surface, and the second foaming body is attached to the second surface; a paint flowing hole is formed in the middle of the expansion rubber sheet, and under the condition that the first foaming body and the second foaming body foam, the first foaming body and the second foaming body are used for filling the paint flowing hole; the expansion rubber sheet in the corresponding shape is blanked according to the contour shape of the cavity to seal the cavity, the structure is simple, adaptability is good, and the good sealing and sound insulation effects on the cavity can be achieved.

    本申请涉及车身技术领域,提供一种白车身腔体密封结构、密封方法及车辆,所述白车身腔体密封结构包括膨胀胶片与支架;膨胀胶片的形状与白车身的空腔的待密封部位的形状相适配,可通过冲裁的方式得到特定形状的膨胀胶片,膨胀胶片通过支架与白车身连接;膨胀胶片包括板材以及待发泡的第一发泡体和第二发泡体;板材具有相背离的第一表面和第二表面,第一发泡体附着于第一表面,第二发泡体附着于第二表面;膨胀胶片的中部设置有流漆孔,在第一发泡体和第二发泡体发泡的情况下,第一发泡体和第二发泡体用于填充流漆孔;本申请根据空腔的轮廓形状冲裁出对应形状的膨胀胶片对空腔进行密封,结构简单,适应性好,能够对空腔起到良好的密封隔音作用。


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    Title :

    Body-in-white cavity sealing structure, sealing method and vehicle


    Additional title:

    白车身腔体密封结构、密封方法及车辆


    Contributors:
    MA WENGUANG (author) / ZHANG XIN (author) / WU JIANCUN (author) / ZHANG SHIYUAN (author) / SONG WEIFENG (author) / ZHANG MENG (author) / NIU HONGLIANG (author) / CAO GUOLIANG (author)

    Publication date :

    2024-05-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / C25D Verfahren für die elektrolytische oder elektrophoretische Herstellung von Überzügen , PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS



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