CN2795613Y - 塑料波纹管增强扩口 - Google Patents

塑料波纹管增强扩口 Download PDF

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Publication number
CN2795613Y
CN2795613Y CN 200520082296 CN200520082296U CN2795613Y CN 2795613 Y CN2795613 Y CN 2795613Y CN 200520082296 CN200520082296 CN 200520082296 CN 200520082296 U CN200520082296 U CN 200520082296U CN 2795613 Y CN2795613 Y CN 2795613Y
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China
Prior art keywords
mouth
enlarging
expansive
corrugated pipe
plastic corrugated
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Expired - Fee Related
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CN 200520082296
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English (en)
Inventor
张其智
张泽奎
王子路
张泽敏
王培森
杨夕山
于克涛
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WEIFANG ZHONGYUN MACHINE CO Ltd
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WEIFANG ZHONGYUN MACHINE CO Ltd
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Priority to CN 200520082296 priority Critical patent/CN2795613Y/zh
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Abstract

一种塑料波纹管增强扩口,包括与双壁塑料波纹管体连接的扩口,在扩口的外侧管壁上还缠绕粘附有一圈塑料片材加强箍。本实用新型扩口关键部位的壁厚可任意增加,从而可大大提高双壁塑料波纹管扩口的强度和环刚度,保证了双壁塑料波纹管长期使用的密封可靠性。

Description

塑料波纹管增强扩口
技术领域
本实用新型涉及塑料管材技术领域,特别是涉及一种塑料波纹管的扩口结构。
背景技术
双壁塑料波纹管在线扩口有双层扩口和单层扩口两种形式,由于生产设备的限制,在线扩口均不能达到国家标准要求的厚度,致使管材难于承插或承插后的强度和密封性能不佳,直接影响双壁塑料波纹管长期使用的可靠性。
发明内容
本实用新型的目的就是针对上述现有技术的不足,提供一种密封性能好、长期使用可靠的塑料波纹管的扩口结构。
本实用新型塑料波纹管增强扩口,包括与双壁塑料波纹管体连接的扩口,在扩口的外侧还固定有一圈加强箍。所说的加强箍为缠绕粘附在扩口管壁上的一圈塑料片材。
由于本实用新型在扩口的外侧还固定有一圈加强箍,该加强箍可以是缠绕粘附在扩口管壁上的厚度可调的塑料片材,使扩口关键部位的壁厚可任意增加,从而可大大提高双壁塑料波纹管扩口的强度和环刚度,保证了双壁塑料波纹管长期使用的密封可靠性。
附图说明
图1为本实用新型使用状态的纵向剖视图;
图2为本实用新型扩口增厚部位的截面图。
具体实施方式
附图所示实施例,本实用新型是对现有塑料波纹管的扩口结构的改进,它包括与双壁塑料波纹管体1连接的扩口2,在扩口2的外侧通过塑料片材成型机在线缠绕粘附一圈塑料片材加强箍3。使用时该塑料片材加强箍3与插口端安装的橡胶密封圈4位置对应,保证了双壁塑料波纹管承插口连接的密封可靠性。

Claims (2)

1、一种塑料波纹管增强扩口,包括与双壁塑料波纹管体(1)连接的扩口(2),其特征是在扩口(2)的外侧固定有一圈加强箍(3)。
2、根据权利要求1所述的塑料波纹管增强扩口,其特征是所说的加强箍(3)为缠绕粘附在扩口(2)管壁上的一圈塑料片材。
CN 200520082296 2005-04-09 2005-04-09 塑料波纹管增强扩口 Expired - Fee Related CN2795613Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520082296 CN2795613Y (zh) 2005-04-09 2005-04-09 塑料波纹管增强扩口

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520082296 CN2795613Y (zh) 2005-04-09 2005-04-09 塑料波纹管增强扩口

Publications (1)

Publication Number Publication Date
CN2795613Y true CN2795613Y (zh) 2006-07-12

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Application Number Title Priority Date Filing Date
CN 200520082296 Expired - Fee Related CN2795613Y (zh) 2005-04-09 2005-04-09 塑料波纹管增强扩口

Country Status (1)

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CN (1) CN2795613Y (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103939669A (zh) * 2014-04-25 2014-07-23 夏旻淑 一种软土基质中防渗漏地下管道结构及其施工工艺

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103939669A (zh) * 2014-04-25 2014-07-23 夏旻淑 一种软土基质中防渗漏地下管道结构及其施工工艺
CN103939669B (zh) * 2014-04-25 2016-06-22 夏旻淑 一种软土基质中防渗漏地下管道结构及其施工工艺

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