沧州盛世伟业汽车配件有限公司

美式气门嘴

广泛运用于今日所有动力车辆之轮胎上的气门嘴

打开气门嘴盖后,美式嘴会露出一根具有外螺纹的铜管,内为叫作芯腔的空气通道,称作气门嘴本体。本体中间的芯腔锁著一个气芯,里面有一根由螺旋弹簧支撑的芯杆,按下芯杆即可充或泄气;而气芯可用特殊工具旋转取出。

一般说来,铜管的长度或弯度可以变化,但其孔径与内、外螺纹是固定的,以便锁上气门嘴盖与气芯。铜管外螺纹的外径是7.7毫米,螺纹根则为直径6.9毫米、间距0.794 毫米。内螺纹的直径5.2毫米,间距0.705毫米。

  • TR-413:轮辋上供安装气门嘴的孔径50毫米,长度31.8毫米。
  • TR-415:轮辋上供安装气门嘴的孔径87毫米,长度31.8毫米。
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