The invention discloses a noise-reducing wheel structure capable of inhibiting broadband structure road noise, and the noise-reducing wheel structure is characterized in that a rim is internally provided with a hollow area; the hollow area is divided into a plurality of Helmholtz resonant cavities by the first partition plates, and a plurality of first mounting holes are formed in the wall body, close to the tire side, of the rim; the plurality of second partition plates are distributed in the plurality of Helmholtz resonant cavities to divide the plurality of Helmholtz resonant cavities into a plurality of sub resonant cavities respectively; each second partition plate is provided with a second mounting hole for communicating the two sub resonant cavities on the two sides of the second partition plate; the plurality of first sound nozzles are embedded and fixed in the plurality of first mounting holes, and each first sound nozzle is communicated with the tire cavity and one sub resonant cavity of the corresponding Helmholtz resonant cavity; and the plurality of second sound nozzles are embedded and fixed in the second mounting holes of the plurality of second partition plates. According to the noise reduction wheel structure, the noise reduction effect on tire cavity resonance noise can be improved, and the noise reduction frequency band of the noise reduction wheel structure can be obviously widened.
本发明公开了一种可抑制宽频结构路噪的降噪车轮结构,其中,所述轮辋内具有中空区域;多个所述第一隔板将所述中空区域分隔成多个亥姆霍兹谐振腔,所述轮辋的靠近轮胎侧的壁体上设有多个第一安装孔;多个所述第二隔板分布在多个所述亥姆霍兹谐振腔中,将多个所述亥姆霍兹谐振腔分别分隔成多个子谐振腔;每个所述第二隔板上设有用于连通自身两侧的两个所述子谐振腔的第二安装孔;多个所述第一音嘴嵌固在多个所述第一安装孔中,每个所述第一音嘴连通胎腔与对应的所述亥姆霍兹谐振腔的一个所述子谐振腔;多个所述第二音嘴嵌固在多个所述第二隔板的所述第二安装孔中。本发明不仅可提升对胎腔共振噪声的降噪效果,还可明显拓宽其降噪频带的降噪车轮结构。
Noise reduction wheel structure capable of suppressing broadband structure road noise
可抑制宽频结构路噪的降噪车轮结构
2025-02-07
Patent
Electronic Resource
Chinese
IPC: | B60B VEHICLE WHEELS , Räder für Fahrzeuge |
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