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CN201368280Y - 一种连接聚乙烯双壁波纹管用的密封圈 - Google Patents

一种连接聚乙烯双壁波纹管用的密封圈 Download PDF

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Publication number
CN201368280Y
CN201368280Y CNU2009203013686U CN200920301368U CN201368280Y CN 201368280 Y CN201368280 Y CN 201368280Y CN U2009203013686 U CNU2009203013686 U CN U2009203013686U CN 200920301368 U CN200920301368 U CN 200920301368U CN 201368280 Y CN201368280 Y CN 201368280Y
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China
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wall corrugated
double
corrugated pipe
water stop
rings
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黄桂斌
刘建
彭文正
向雨
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GUIZHOU SENRUI NEW MATERIAL CO., LTD.
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GUIZHOU SENRUI PIPES INDUSTRY Co Ltd
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Abstract

本实用新型公开了一种连接聚乙烯双壁波纹管用的密封圈,它包括卡接在双壁波纹聚乙烯管波谷处的定位环(1),定位环(1)的数量为2~5个,且2~5个定位环(1)相互连接;在定位环(1)的上端设有止水圈(2)。本实用新型可加大止水圈与聚乙烯双壁波纹管的接触面积,在接口局部受压的情况下也不会漏水,提高密封圈的密封性。将止水圈的形状为斜齿状,在套接时,聚乙烯双壁波纹管顺齿套入,使管道的连接非常轻松,当聚乙烯双壁波纹管受拉时,斜齿状的止水圈就会产生较大的阻力,防止接口处脱落,且采用斜齿止水圈可提高止水效果。

Description

一种连接聚乙烯双壁波纹管用的密封圈
技术领域
本实用新型涉及一种密封圈,特别涉及一种连接聚乙烯双壁波纹管用的密封圈。
背景技术
聚乙烯双壁波纹管的连接现多采用承插连接。在连接时在未扩口的插口端套上密封圈,然后将套有密封圈的管口插入已扩口的承口处即可。现有密封圈与聚乙烯双壁波纹管的波谷连接的定位环多为一个,导致密封圈与聚乙烯双壁波纹管的管口接触面积较小,在使用中容易漏水,特别当聚乙烯双壁波纹管的接口部位受到挤压时,漏水几率将会进一步增大,制约了聚乙烯双壁波纹管的推广。同时现有的密封圈上的止水圈多为圆柱型或直齿型,这样,第一密封性能不好、第二当聚乙烯双壁波纹管受拉时,接口处很易拔脱。
发明内容
本实用新型的目的在于,提供一种密封性能好、可防止拔脱的连接聚乙烯双壁波纹管用的密封圈,可以克服现有技术的不足。
本实用新型的技术方案;它包括卡接在聚乙烯双壁波纹管波谷处的定位环,定位环的数量为2~5个,且2~5个定位环相互连接;在定位环的上端设有止水圈。
定位环的数量为2~3个。
止水圈的形状为斜齿状。
与现有技术比较,本实用新型将定位环的数量加至为2~5个,且2~5个定位环相互连接,并在定位环的上端设止水圈,这样就可加大止水圈与聚乙烯双壁波纹管的接触面积,在接口局部受压的情况下也不会漏水,提高密封圈的密封性。定位环一般选取的数量为2~5个,优选为2~3个,此数据均是申请人经过大量试验所得,即能保证密封性,又不会过多浪费材料;将止水圈的形状为斜齿状,在套接时,聚乙烯双壁波纹管顺齿套入,使管道的连接非常轻松,当聚乙烯双壁波纹管受拉时,斜齿状的止水圈就会产生较大的阻力,防止接口处脱落,且采用斜齿止水圈可提高止水效果。同时本实用新型还具有制作简单、使用年限长,可增大聚乙烯双壁波纹管管口硬度的优点。
附图说明
图1是本实用新型的结构示意图。
具体实施方式
实施例:如图1所示,聚乙烯双壁波纹管3的连接为首尾承插连接,为方便连接,在聚乙烯双壁波纹管3的一端设有承口4,为保证承插接口处的密封性,在另一根双壁波纹管聚乙烯管3的尾端套有密封圈,密封圈是通过定位环1卡接在聚乙烯双壁波纹管3的波谷内进行定位的,为增大密封圈与承口4的接触面积,定位环1选用的数量为2~5个,优选为2~3个,且几个定位环1之间是相互连接,为提高密封效果,在定位环1的上端加工有止水圈2。将止水圈2的形状为斜齿状,这样即可进一步增大密封效果、又可增大聚乙烯双壁波纹管3的抗拔拉力。

Claims (3)

1.一种连接聚乙烯双壁波纹管用的密封圈,它包括卡接在聚乙烯双壁波纹管波谷处的定位环(1),其特征在于:定位环(1)的数量为2~5个,且2~5个定位环(1)相互连接;在定位环(1)的上端设有止水圈(2)。
2.根据权利要求1所述的连接聚乙烯双壁波纹管用的密封圈,其特征在于:定位环(1)的数量为2~3个。
3.根据权利要求1所述的连接聚乙烯双壁波纹管用的密封圈,其特征在于:止水圈(2)的形状为斜齿状。
CNU2009203013686U 2009-03-18 2009-03-18 一种连接聚乙烯双壁波纹管用的密封圈 Expired - Lifetime CN201368280Y (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101956879A (zh) * 2010-06-04 2011-01-26 周佰兴 螺旋形波纹管橡胶圈
CN114396520A (zh) * 2021-11-02 2022-04-26 安徽省生宸源材料科技实业发展股份有限公司 一种塑料检查井自密封连接承插接口

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101956879A (zh) * 2010-06-04 2011-01-26 周佰兴 螺旋形波纹管橡胶圈
CN114396520A (zh) * 2021-11-02 2022-04-26 安徽省生宸源材料科技实业发展股份有限公司 一种塑料检查井自密封连接承插接口
CN114396520B (zh) * 2021-11-02 2024-04-02 安徽省生宸源材料科技实业发展股份有限公司 一种塑料检查井自密封连接承插接口

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