CN202280967U - 钢塑复合管的连接头 - Google Patents

钢塑复合管的连接头 Download PDF

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CN202280967U
CN202280967U CN2011204196681U CN201120419668U CN202280967U CN 202280967 U CN202280967 U CN 202280967U CN 2011204196681 U CN2011204196681 U CN 2011204196681U CN 201120419668 U CN201120419668 U CN 201120419668U CN 202280967 U CN202280967 U CN 202280967U
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Shenzhen Fuying Sheng Construction Co. Ltd.
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ZHONG YAOPENG
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Abstract

一种连接钢塑复合管的连接头,该连接头设置在钢塑复合管之间,其特征是该连接头为弯管形并具有加强筋。该连接头的内径与钢塑复合管的内径相等,连接头与钢塑复合管是采用螺纹连接,连接头的端部具有内螺纹处的壁被加厚,且在加厚处的内部有凹槽,凹槽内设有密封垫圈,该密封垫圈正好顶在钢塑复合管的端部,在钢塑复合管和连接头内圆表面设有塑料保护层,在钢塑复合管端部与密封垫圈结合处涂有密封胶。本实用新型的优点是解决了钢塑复合管的螺纹连接的密封防腐问题,同时又能保证管道内光滑,流体畅通,节省动力,可应用于腐蚀性介质流体的传送管道及环保用水管道,克服了因焊接或镀锌等钢管所带来的问题。

Description

钢塑复合管的连接头
技术领域
       本实用新型涉及一种连接头,确切地说是涉及钢塑复合管的连接头。 
背景技术
       目前所用的复合管道主要有钢塑复合管和铝塑复合管两种。钢塑复合管是用钢管内衬塑料制成,钢管做骨架增加强度和刚度,塑料做保护层防腐蚀和减少流体阻力。因为防腐蚀的需要,这种管道较大,多做成法兰外翻边的形式,出厂时制成固定长度的法兰短管到现场连接,在现场不能切割,安装很不方便。目前螺纹连接的钢塑复合管其管件采用如图1所示的形式,为了解决密封防腐蚀问题,在每个管件的螺纹连接处都有一个凸环,也就是说,每个管件上至少要有两个凸环,形成二次节流增加阻力,造成动力消耗,影响流体流动。铝塑复合管的管件大多采用钢或不锈钢制作,外表美观但造价较高,没从根本上解决密封防腐蚀问题,仍不能在腐蚀性介质中使用。而且,铝塑复合管造价高。刚度强度都不如钢管,大规模推广有问题。 
发明内容
       本实用新型的目的就是解决钢塑复合管连接处的密封防腐问题,提供一种新型的钢塑复合管的连接头。 
       本实用新型的目的是通过下述技术方案来实现的,本实用新型的连接钢塑复合管的连接头,该连接头设置在钢塑复合管之间,其特征是该连接头为弯管形并具有加强筋。该连接头的内径与钢塑复合管的内径相等,连接头与钢塑复合管是采用螺纹连接,连接头的端部具有内螺纹处的壁被加厚,且在加厚处的内部有凹槽,凹槽内设有密封垫圈,该密封垫圈正好顶在钢塑复合管的端部,在钢塑复合管和连接头内圆表面设有塑料保护层,在钢塑复合管端部与密封垫圈结合处涂有密封胶。 
连接头还可为三通、四通、阀门、管箍或活接头。 
       本实用新型的优点是解决了钢塑复合管的螺纹连接的密封防腐问题,同时又能保证管道内光滑,流体畅通,节省动力,可应用于腐蚀性介质流体的传送管道及环保用水管道,克服了因焊接或镀锌等钢管所带来的问题。 
附图说明
    下面结合附图进一步描述本实用新型的结构,其中:   
       图1为本实用新型的钢塑复合管的连接头。 
具体实施方式
    现参见图1,在钢塑复合管1和4之间有一连接头3,该,连接头3为弯管形,连接头3与钢塑复合管1和4的内径相等,连接头3与钢塑复合管1和4是采用螺纹连接,在连接头3的端部具有内螺纹处的壁厚是被加厚的(如图所示),且在加厚处的内部有一凹槽,凹槽内设有密封垫圈2,该密封垫圈2正好顶在钢塑复合管1和4的端部。在钢塑复合管1和4及连接头3的内表面上设有塑料保护层5,在钢塑复合管1和4的端部涂有密封胶(图中未标出)。 

Claims (2)

1.一种钢塑复合管的连接头,该连接头设置在钢塑复合管之间,其特征是该连接头为弯管形并具有加强筋,该连接头的内径与钢塑复合管的内径相等,连接头与钢塑复合管是采用螺纹连接,连接头的端部具有内螺纹处的壁被加厚,且在加厚处的内部有凹槽,凹槽内设有密封垫圈,该密封垫圈正好顶在钢塑复合管的端部,在钢塑复合管和连接头内圆表面设有塑料保护层,在钢塑复合管端部与密封垫圈结合处涂有密封胶。
2.根据权利要求1所述的钢塑复合管的连接头,其特征是所述的连接头为三通、四通、阀门、管箍或活接头。
CN2011204196681U 2011-10-29 2011-10-29 钢塑复合管的连接头 Expired - Fee Related CN202280967U (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104514894A (zh) * 2013-10-05 2015-04-15 钱自德 用于将大瓶含气饮料分装成小瓶的安全两通阀
CN104747408A (zh) * 2013-12-25 2015-07-01 珠海凌达压缩机有限公司 压缩机

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104514894A (zh) * 2013-10-05 2015-04-15 钱自德 用于将大瓶含气饮料分装成小瓶的安全两通阀
CN104747408A (zh) * 2013-12-25 2015-07-01 珠海凌达压缩机有限公司 压缩机

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