The invention discloses a light-weight front wall sound insulation pad device, a preparation method and an automobile, belongs to the technical field of front wall sound insulation pads, and solves the problems that in the prior art, a POE high-density heavy layer is adopted, so that the light weight of an automobile body is unfavorable, and a front wall sound insulation pad is complex in process and high in cost. The device comprises a front wall metal plate and a front wall sound insulation pad. The front wall metal plate is connected with the front wall sound insulation pad; the front wall sound insulation pad comprises a front wall sound insulation pad first layer, a front wall sound insulation pad second layer and a front wall sound insulation pad third layer; the front wall sound insulation pad first layer is connected with the front wall sound insulation pad second layer; the front wall sound insulation pad second layer is connected with the front wall sound insulation pad third layer; the surface density of the front wall sound insulation pad is 2500g/m < 2 >.

    一种轻量化前围隔音垫装置、制备方法以及汽车,属于前围隔音垫技术领域,解决了现有技术由于采用POE高密度重层,对车身的轻量化不利,且前围隔音垫工艺复杂,成本高的问题。所述装置包括前围钣金和前围隔音垫;所述前围钣金与前围隔音垫连接;所述前围隔音垫包括前围隔音垫第一层、前围隔音垫第二层和前围隔音垫第三层;所述前围隔音垫第一层与前围隔音垫第二层连接;所述前围隔音垫第二层与前围隔音垫第三层连接;所述前围隔音垫的面密度为2500g/m2。


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    Title :

    Lightweight front wall sound insulation pad device, preparation method and automobile


    Additional title:

    一种轻量化前围隔音垫装置、制备方法以及汽车


    Contributors:
    LIU XIAONA (author) / PAN DIANLONG (author) / ZHAO WEI (author) / LI DENGSHAN (author) / WU HAICHUAN (author)

    Publication date :

    2023-06-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse