GB9765—1997轮胎气门嘴螺纹.pdf

GB 97651997前言本标准非等效采用ISO 4570-1：1977轮胎气门嘴螺纹第1部分、ISO 4570-2：7979轮胎气门嘴螺纹第2部分和ISO 4570-3：1980轮胎气门嘴螺纹第3部分。本标准的螺纹代号、螺纹极限尺寸及公差等主要技术指标与ISO 4570等效。本标准在前版的基础上根据GB 19781普通螺纹公差与配合修订了螺纹图形。本标准从生效之日起，同时代替GB 976588。本标准由中华人民共和国化学工业部提出。本标准由全国轮胎轮辋标准化技术委员会归口。本标准起草单位：山东气门嘴厂。本标准主要起草人：崔杰、李健。本标准于1988年5月首次发布。本标准委托全国气门嘴标准化分技术委员会负责解释。中华人民共和国国家标准GB 97651997neq ISO 4570-1：1977ISO 4570-2：1979ISO 4570-3：1980轮 胎 气 门 嘴 螺 纹代替 GB 976588Tyre valve threads1主题内容与适用范围本标准规定了轮胎气门嘴螺纹的代号、牙型、极限尺寸及公差和螺纹的检验。本标准适用于轮胎气门嘴螺纹和轮胎气门芯螺纹。2引用标准下列标准所包含的条文，通过在本标准中引用而构成为本标准的条文。本标准出版时，所示版本均为有效。所有标准都会被修订，使用本标准的各方应探讨使用下列标准最新版本的可能性。GB 19781普通螺纹公差与配合GB 393483普通螺纹量规3螺纹代号气门嘴螺纹代号见表1。表 1螺纹代号公称尺寸mm每25.4mm牙数螺纹代号公称尺寸mm每25.4mm牙数5V15.20.7053613V112.61.270205V25.21.0582413V212.70.794326V160.80-15V1151.00-8V17.70.7943216V115.80.941278V27.91.0582417V1171.00-9V19.40.7943217V217.51.0582410V19.61.00-17V317.51.5881610V210.30.9072819V1191.5881611V111.11.2702020V120.51.00-12V112.20.977264牙型、极限尺寸及公差41气门嘴螺纹的牙型，极限尺寸及公差见表2和图1。42螺纹的牙底形状按GB 197-81中第3章的规定执行。表 2螺纹代号公称尺寸（dP）外 螺 纹内 螺 纹大 径d中 径d2小径d1大径D中 径D2小 径D1最大公差Td最小最大公差Td2最小最大最小最大公差TD2最小最大公差TD1最小5V15.20.7055.2320.2035.0294.7750.1014.6744.4965.3345.0040.1354.8694.8010.2044.5975V25.21.0585.2200.1805.0404.7050.1504.5554.2005.3704.8650.1054.7604.6000.2004.4006V160.806.0300.2005.8305.6700.1505.5205.3856.1605.8300.1055.7255.5400.1005.4408V17.70.7947.7470.2037.5447.2390.1597.0806.9097.7987.4680.1847.2847.2390.2037.0368V27.91.0587.9090.1827.7277.2210.0937.1286.6117.9387.3710.1217.2507.0350.2536.7829V19.40.7949.4230.1529.2708.9810.1298.8528.5279.5259.1210.1119.0108.8650.2048.66110V19.61.009.6500.1009.5509.3100.1009.2108.5529.8009.4800.1009.3808.9000.1508.75010V210.30.90710.3120.21210.1009.7600.1849.5769.18010.4149.9400.1259.8159.5500.2009.35011V111.11.27011.0790.20510.87410.2540.10710.1479.52211.11310.4240.13710.28710.0330.3049.72912V112.20.97712.2430.21312.03011.6140.15911.45510.99012.31911.7940.12511.66911.3790.20311.17613V112.61.27012.6670.20612.46111.8410.10911.73211.11012.70012.0170.14211.87511.6080.28011.32813V212.70.79412.6740.15112.52312.1590.08912.07011.70112.70012.2980.11312.18512.0390.20211.83715V1151.0014.9000.10514.79514.3100.10514.20513.55215.13714.4850.10514.38013.9500.20013.75016V115.80.94115.8470.17015.67715.2350.09715.13814.69415.87515.3890.12615.26315.0880.22014.85917V1171.0016.9000.10516.79516.3100.10516.20515.55217.13716.4850.10516.38015.9500.20015.75017V217.51.05817.4320.18217.25016.7430.10016.64316.13417.46316.9060.13116.77516.5600.25316.30717V317.51.58817.4260.23717.18916.3950.12116.27415.47817.46316.5880.15616.43216.1030.35515.74819V1191.58819.0110.23718.77417.9800.12617.85417.06319.05018.1830.16418.01917