The utility model relates to a bidirectional ventilating fan reversing the rotation positioning mechanism, the purpose is to improve the fan in the prior art constantly rotates around the central axis of the defect. The utility model is realized in such a way that it includes prior frame and cable, the utility model is provided with two spring damper in the frame, cable arranged on the spring damper between two clamping wheels. The pull wire is fixed after the spring damper, took control of the rotating fan. The utility model has the advantages of simple structure, but to control the fan rotation, the operation is also very convenient.
【技术实现步骤摘要】
【技术保护点】
一种转动换向双向换气扇定位机构,它包括框架和拉线,其特征是在所述的框架上设置两只弹簧阻尼器,所述的拉线设置在所述弹簧阻尼器的两只夹轮之间。
【技术特征摘要】
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