The invention discloses a car door sealing strip capable of reducing wind noise, which comprises a rubber base body and an inflation mechanism, the rubber base body is hollow, a first separation body is arranged in the rubber base body, a buffer cavity group and a first sealing cavity are formed in the rubber base body through the first separation body, an exhaust hole is formed in the rubber base body, and the first sealing cavity is communicated with the buffer cavity group. A first partition body is arranged in the rubber base body, a second partition body is arranged in the buffer cavity set, an inflation cavity is formed between the rubber base body and the second partition body, an exhaust port of the inflation mechanism is communicated with the inflation cavity, a blocking part is arranged on the first partition body and located in the buffer cavity set, and the first partition body and the second partition body are communicated with each other. A filling cavity is formed between the blocking part and the inner wall of the rubber base body, and the filling cavity is filled with a sound-absorbing cotton body; the automobile door sealing strip capable of reducing the wind noise can achieve a good sealing and sound insulation effect, and can reduce the noise generated when the pressure of oncoming wind exceeds the sealing resistance of the automobile door and enters the automobile in the high-speed driving process of the automobile.

    本发明公开一种可以降低风噪的车门密封条,包括:橡胶基体和充气机构,所述橡胶基体为中空设置,且所述橡胶基体内设置有第一分隔体,所述橡胶基体内通过所述第一分隔体形成有缓冲腔组和第一密封腔,所述橡胶基体上设置有排气孔,所述缓冲腔组内设置有第二分隔体,所述橡胶基体和所述第二分隔体之间形成有充气腔,所述充气机构的排气口与所述充气腔相连通,第一分隔体上设置有阻挡部,所述阻挡部位于所述缓冲腔组内,所述阻挡部与所述橡胶基体内壁之间形成有填充腔,所述填充腔内填充有吸音棉体;该可以降低风噪的车门密封条可以起到良好的密封隔音效果,能减少汽车在高速行驶的过程中迎面而来的风的压力已超过车门的密封阻力进入车内的噪音。


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    Title :

    Car door sealing strip capable of reducing wind noise


    Additional title:

    一种可以降低风噪的车门密封条


    Contributors:
    ZHAN SHAOTAN (author) / CHEN SIZHAN (author) / DUAN CHENGYAN (author) / LEI NING (author) / BI SHUFENG (author) / MAO RONGXUE (author) / LIN CHUFENG (author)

    Publication date :

    2022-05-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge



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