CN2230858Y - 行驶轮胎超压自动减压气门芯 - Google Patents

行驶轮胎超压自动减压气门芯 Download PDF

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CN2230858Y
CN2230858Y CN 95215865 CN95215865U CN2230858Y CN 2230858 Y CN2230858 Y CN 2230858Y CN 95215865 CN95215865 CN 95215865 CN 95215865 U CN95215865 U CN 95215865U CN 2230858 Y CN2230858 Y CN 2230858Y
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push rod
utility
model
core body
mouthful
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李树林
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Abstract

本实用新型提供了一种超压自动减压气门芯,是现有气门芯的改进。其特征在于,橡胶密封盖装在芯体反口管内,以开关推杆顶住橡胶密封盖,并在开关推杆弹簧的后面安装调压螺丝,轮胎内的气压由调压螺丝调节。该气门芯能将因高速行驶、超载、高温等原因造成的超压及时排出,从而可避免爆胎发生,同时,该气门芯可调节各种车辆轮胎不同的额定气压。市场前景十分广阔。

Description

行驶轮胎超压自动减压气门芯
一种气门芯,属于轮胎密封阀领域。
车辆在行驶中若轮胎超压,可能引起爆胎,影响车辆安全行驶。有的解决方法是附加一装置,将轮胎气压引出到气门嘴以外,进行排放。
本实用新型的目的在于,无需附加任何装置,只是将现有气门芯的结构加以改进,使之能在轮胎超压时自动放气。
本实用新型的技术方案是,缩小原有橡胶密封盖的大小,将其装在芯体反口管内堵住芯体反口管排气孔,在橡胶密封盖后面装有套有推杆弹簧的开关推杆,弹簧张力大于轮胎气压时,橡胶密封盖堵住芯体反口管排气孔。调节螺丝穿过芯体紧固螺帽顶住推杆弹簧,弹簧的张力大小由调压螺丝调节。芯体密封圈附着在芯体反口管壁上,芯体紧固螺帽用以紧固芯体反口管,使芯体反口管与气门嘴之间保持密封状态。
结合附图,对本实用新型作进一步描述。
1调压螺丝、2紧固螺帽、3气门嘴、4推杆弹簧、5芯体密封圈、6开关推杆、7橡胶密封盖、8芯体反口管。
芯体反口管(8)内有橡胶密封盖(7)、开关推杆(6)、推杆弹簧(4),调压螺丝(1)穿过芯体紧固螺帽(2)顶住推杆弹簧(4),芯体密封圈(5)附着在芯体反口管(8)壁上。当轮胎气压超过额定气压时,橡胶密封盖受压离开芯体反口管一定的间隙,此时轮胎内的气体开始向外排出;当轮胎气压减小到额定气压时,由于推杆弹簧(4)复位,开关推杆(6)和橡胶密封盖(7)同时接触芯体反口管(8),因此,轮胎气门嘴封闭,气压保持额定值。调压螺丝(1)调节推杆弹簧(4)的张力,因此,轮胎气压可以在一定范围内调节。以上过程反复进行从而达到自动减压和保持额定气压。
本实用新型不改变现有的轮胎气门芯,气门帽的功能和安装位置,它具有体积与原气门芯相当,比其它任何将轮胎气压引出到气门嘴以外另加装置进行排放,关闭气压的结构要安全、可靠、密封性能好。其安装位置,使用方法与原来气门芯一样不增加任何动作和改动,因此不会给使用者带来什么麻烦,便于推广使用,它的最终目的是及时保护内外胎不受破坏和人身安全得到了保障,因而为节约能源,安全行驶起到了积极的作用。

Claims (1)

1.一种行驶轮胎超压自动减压气门芯,包括紧固螺帽(2),芯体密封圈(5)附着在芯体反口管壁上,其特征在于:芯体反口管(8)内有橡胶密封盖(7)、开关推杆(6)、推杆弹簧(4),调压螺丝(1)穿过芯体紧固螺帽(2)顶住推杆弹簧(4)。
CN 95215865 1995-06-28 1995-06-28 行驶轮胎超压自动减压气门芯 Expired - Fee Related CN2230858Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 95215865 CN2230858Y (zh) 1995-06-28 1995-06-28 行驶轮胎超压自动减压气门芯

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Application Number Priority Date Filing Date Title
CN 95215865 CN2230858Y (zh) 1995-06-28 1995-06-28 行驶轮胎超压自动减压气门芯

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CN2230858Y true CN2230858Y (zh) 1996-07-10

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CN 95215865 Expired - Fee Related CN2230858Y (zh) 1995-06-28 1995-06-28 行驶轮胎超压自动减压气门芯

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101858449A (zh) * 2009-04-08 2010-10-13 陈耕田 可调压防爆气门芯

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101858449A (zh) * 2009-04-08 2010-10-13 陈耕田 可调压防爆气门芯

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