CN2250435Y - 三套筒大容量增压打气筒 - Google Patents

三套筒大容量增压打气筒 Download PDF

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CN2250435Y
CN2250435Y CN 95246558 CN95246558U CN2250435Y CN 2250435 Y CN2250435 Y CN 2250435Y CN 95246558 CN95246558 CN 95246558 CN 95246558 U CN95246558 U CN 95246558U CN 2250435 Y CN2250435 Y CN 2250435Y
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bobbin
cylinder tube
inflator
pump
large capacity
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戴国鼎
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Abstract

一种三套筒大容量增压打气筒,由外筒管、中筒管、内筒管叠套组成,内筒管和中筒管的顶端固定在一个各自的活塞阀座上,并可自由滑动,打气时将中筒管和内筒管被拉出,推回时将外筒管和中筒管内的气体压入内筒管,增压后的气体向轮胎内充气。

Description

三套筒大容量增压打气筒
本实用新型涉及到一种为自行车、摩托车、球类、气垫等手工加压的打气筒,特别是一种容量大,压力高的小型打气筒。
目前公知的打气筒有二种:一种是大型铁制带增压包的打气筒,它很笨重不易携带;一种是不带增压包的小型轻便打气筒,但它的气容量小,压力低(仅有0.17MPa)达不到轮胎工作的(0.3MPa)充气压力,无法满足使用要求。
本实用新型的目的是提供一种压力高、容量大的轻便打气洞,设计方案是这样解决的:用大小三根管经不同的气筒管,分为外筒管、中筒管、内筒管,内筒管套在中筒管内,中筒管和内筒管套在外筒管内,三只筒管叠套成一体。内筒管和中筒管的顶端固定在各自的活塞座上,活塞座外圆开有二条凹槽,每条凹槽内嵌有一只O形活塞圈,活塞座的中心孔内设有一止逆阀芯和止逆阀套。内筒管底端与气筒底座固定,中筒管和外筒管的底端各套一个可自由活动的气筒盖固定,外筒管为充气筒,中筒管为充气筒和一次增压筒,内筒管为二次增压筒。打气时将中筒管和内筒管从外筒管身内抽出,当推回时,外筒管和中筒管内的气体同时向内筒管加压,由于止逆阀的作用,中筒管一次加压后,继续向内筒管加压,二次加压后的内筒管气压要高出数倍以上。
下面结合附图和实施例对本实用新型作进一步描述。
附图是本实用新型的结构剖视图。
在附图的剖视图中,1.气筒底座2.中气筒盖3.外气筒盖4.内筒管5.中筒管6.外筒管7.橡皮管8.内筒管活塞座9.内筒管O形活塞圈10.内筒管止逆阀芯11.中筒管O形活塞圈12.中筒管止逆阀芯13.内筒管阀孔14.内筒管阀套15.中筒管阀孔16.中筒管阀套17.中筒管活塞座18.外筒管帽
在附图中,气筒底座(1),内筒管(4),内筒管活塞座(8),用紧固方法连接一整体,二只O形活塞圈(9)镶嵌在内筒管活塞座(8)的凹槽内,形成一整体的部件套在中筒管(5)内,并可自由上下滑动;中气筒盖(2),中筒管(5),中筒管活塞座(17)用紧固方法连接一整体,二只O形活塞圈(11)镶嵌在中筒管活塞座(17)的凹槽内,形成一整体部件套在外筒管(6)内,并可自由上下滑动,形成二个整体的部件叠套组装后,外气筒管盖(3),外筒管(6),外筒帽(18)封装固定,橡皮管(7)与气筒底座(1)用螺纹紧固连接。
充气时内筒管(4)和中筒管(5)从外筒管(6)拉出,拉到一定位置时返回下压,这时外筒管(6)内的气体经中筒管止逆阀芯(12)中筒管阀孔(15)向中筒管(5)内加压,在此同时中筒管(5)内经过加压后的气体继续再经内筒管止逆阀芯(10),内筒管阀孔(13)向内筒管(4)二次加压,经二次加压后的增压气体由气筒底座(1)的孔道内经过橡胶管(7)向工作轮胎充气。

Claims (4)

1.一种三套筒大容量增压打气筒,由外筒管,中筒管,内筒管组成,其特征是:内筒管套在中筒管内,内筒管和中筒管套在外筒管内,三只筒管叠套成一体,并可自由滑动。
2.根据权利要求1所述的三套筒大容量增压打气筒,其特征是:内筒管和中筒管的顶端固定在一个各自的活塞阀座上。
3.根据权利要求1,2所述的三套筒大容量增压打气筒,其特征是:活塞座的圆周面上开有凹槽,凹槽内嵌有O形活塞圈。
4.根据权利要求1,2所述的三套筒大容量增压打气筒,其特征是:活塞座的中心孔内有一活动的止逆阀芯。
CN 95246558 1995-11-30 1995-11-30 三套筒大容量增压打气筒 Expired - Fee Related CN2250435Y (zh)

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CN 95246558 CN2250435Y (zh) 1995-11-30 1995-11-30 三套筒大容量增压打气筒

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CN 95246558 CN2250435Y (zh) 1995-11-30 1995-11-30 三套筒大容量增压打气筒

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CN2250435Y true CN2250435Y (zh) 1997-03-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103306932A (zh) * 2013-06-06 2013-09-18 江苏大学 一种便携式可伸缩打气筒

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103306932A (zh) * 2013-06-06 2013-09-18 江苏大学 一种便携式可伸缩打气筒

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