CN2203387Y - 一种气门嘴胶芯 - Google Patents

一种气门嘴胶芯 Download PDF

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Publication number
CN2203387Y
CN2203387Y CN 94219018 CN94219018U CN2203387Y CN 2203387 Y CN2203387 Y CN 2203387Y CN 94219018 CN94219018 CN 94219018 CN 94219018 U CN94219018 U CN 94219018U CN 2203387 Y CN2203387 Y CN 2203387Y
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glue core
inflating valve
rubber core
core
inverted cone
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Expired - Fee Related
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CN 94219018
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廖子雄
罗永祥
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Individual
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Abstract

一种气门嘴胶芯,有直管形的下段,其上段为烟 胶片制成的倒锥形与气门嘴的金属芯相吻合,使用时 不会被撑大、撑薄,耐压、耐磨、不易被压裂,耐老化性 能好,较之传统胶芯寿命约长5倍。

Description

本实用新型涉及人力车内胎气门嘴胶芯。
传统的气门嘴胶芯为直管形,而气门嘴的金属芯上段为锥形。将胶芯套在金属芯上,胶芯的一段将被撑大,且胶芯壁也被撑薄,当气门芯被锁紧螺母压紧后,胶芯被撑薄部位很容易被压裂、压断;传统的气门嘴胶芯均使用天然乳胶制成,热老化性能差,夏季很容易老化、发粘而报废。
本实用新型之目的是给出一种使用时胶芯不会被撑薄,且老化性能好,使用寿命长的气门嘴胶芯。
所述的气门嘴胶芯有直管形的下段,上段为倒锥形。上段是烟胶片制成的倒锥形更佳。
本实用新型的气门嘴胶芯,其上端是倒锥形,与金属气门芯相吻合,使用时管壁不会被撑薄。上段采用烟胶片制成倒锥形,该材料的耐磨、耐压补强性能好,不易压裂、压断。经试验,所述的气门嘴胶芯,较之传统胶芯的寿命长约5倍。
附图是所述胶芯的剖视图。
实施例一、
胶芯上段1为倒锥形,下段2为直管形。
实施例二、
上段1为烟胶片制成的倒锥形,其余与实施例一相同。

Claims (2)

1、一种气门嘴胶芯,有直管形的下段(2),其特征在于,上段(1)是倒锥形。
2、按权利要求1所述气门嘴胶芯,其特征在于上段(1)是烟胶片制成的倒锥形。
CN 94219018 1994-08-13 1994-08-13 一种气门嘴胶芯 Expired - Fee Related CN2203387Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 94219018 CN2203387Y (zh) 1994-08-13 1994-08-13 一种气门嘴胶芯

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 94219018 CN2203387Y (zh) 1994-08-13 1994-08-13 一种气门嘴胶芯

Publications (1)

Publication Number Publication Date
CN2203387Y true CN2203387Y (zh) 1995-07-12

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Family Applications (1)

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CN 94219018 Expired - Fee Related CN2203387Y (zh) 1994-08-13 1994-08-13 一种气门嘴胶芯

Country Status (1)

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CN (1) CN2203387Y (zh)

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