The sound absorption and insulation sealing rubber block comprises a sealing rubber block body, a vehicle body cavity is filled with the sealing rubber block body, the sealing rubber block body comprises a sound insulation sealing rubber block, a sound absorption sealing rubber block and a sealing rubber block connecting plate, the sound insulation sealing rubber block is connected to one side of the sealing rubber block connecting plate, and the sound absorption sealing rubber block is connected to the other side of the sealing rubber block connecting plate. The sound insulation sealing rubber block is connected to the other side of the sealing rubber block connecting plate, the sound insulation sealing rubber block and the sound absorption sealing rubber block are oppositely arranged on the sealing rubber block connecting plate to form a double-layer sealing rubber block, an installation buckle is arranged on the sealing rubber block connecting plate, and the sealing rubber block body is installed in an automobile body cavity through the installation buckle on the sealing rubber block connecting plate. After the double-layer partition board sound absorption and insulation sealing rubber block is foamed, the support body and an inner side automobile body metal plate can be tightly bonded into a whole, a whole section cavity is blocked, a cavity channel at the position can be effectively blocked, the purposes of improving sound insulation, vibration reduction and noise reduction in a car cabin are achieved, and the NVH performance of an automobile is improved.
本发明公开了一种双层隔板吸隔音密封胶块,包括密封胶块本体,密封胶块本体填充在车身空腔中,所述密封胶块本体包括隔音密封胶块、吸音密封胶块和密封胶块连接板,隔音密封胶块连接在密封胶块连接板的一侧,隔音密封胶块连接在密封胶块连接板的另一侧,隔音密封胶块与吸音密封胶块相对设置在密封胶块连接板上构成双层密封胶块,密封胶块连接板上设有安装卡扣,密封胶块本体通过密封胶块连接板上的安装卡扣安装在车身空腔中。本发明的双层隔板吸隔音密封胶块发泡后可将支架本体与内侧车身钣金紧密地粘接成一体,封堵住整个截面空腔,可有效地把该处的空腔通道阻隔,达到改善和提高轿车座舱内的隔音、减振、降噪的目的,使汽车的NVH性得到了提升。
Sound absorption and insulation sealing rubber block with double-layer partition plate and preparation and use methods of sound absorption and insulation sealing rubber block
一种双层隔板吸隔音密封胶块及其制备、使用方法
2024-08-02
Patent
Electronic Resource
Chinese
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B29B PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED , Vorbereiten oder Vorbehandeln der zu verformenden Masse / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B62D MOTOR VEHICLES , Motorfahrzeuge |
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