CN2866930Y - 伸缩套管锁紧机构 - Google Patents

伸缩套管锁紧机构 Download PDF

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Publication number
CN2866930Y
CN2866930Y CN 200520119846 CN200520119846U CN2866930Y CN 2866930 Y CN2866930 Y CN 2866930Y CN 200520119846 CN200520119846 CN 200520119846 CN 200520119846 U CN200520119846 U CN 200520119846U CN 2866930 Y CN2866930 Y CN 2866930Y
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Prior art keywords
tube
sleeve pipe
diameter
annular tube
extends
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Expired - Fee Related
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CN 200520119846
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English (en)
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韩德玮
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Han Dewei
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Abstract

本实用新型所述的伸缩套管锁紧机构，包括套管和插管，套管上有夹槽，夹槽长度大于或等于套管直径的1.5倍。本实用新型所述的套管由于延长了夹槽长度，套管可改变直径的一段就相应延长了，使用者只要把锁紧装置装在夹槽中部，压力区便延伸到锁紧装置两旁，使套管直径减小，管壁越厚可变形区延伸越远，所述机构的接触面较现有机构增加至约2倍，束紧力和连接刚度大幅提高。

Description

伸缩套管锁紧机构
技术领域
本实用新型涉及两个管件套插连接的构造。
背景技术
两个管件套插连接处需要锁紧，例如自行车座立管插在车座套管中，其锁紧方式通常是套管的开口端开一个夹槽，夹槽长度约等于套管直径，另一边做成伸缩管，伸缩管插入套管后，用锁紧装置夹持夹槽使套管直径减小从而夹紧伸缩管。由于套管仅在有夹槽的一小段可以减小直径，故与伸缩管的接触面积小，束紧力往往不够，影响连接刚性。
实用新型内容
本实用新型的目的是提供一种连接刚性较好的伸缩套管锁紧机构。
本实用新型所述的伸缩套管锁紧机构，包括套管和插管，套管上有夹槽，夹槽长度大于或等于套管直径的1.5倍。
本实用新型所述的套管由于延长了夹槽长度，套管可改变直径的一段就相应延长了，使用者只要把锁紧装置装在夹槽中部，压力区便延伸到锁紧装置两旁，使套管直径减小，管壁越厚可变形区延伸越远，所述机构的接触面较现有机构增加至约2倍，束紧力和连接刚度大幅提高。
附图说明
图1是所述机构的连接关系图；
图2是所述机构的连接关系图。
具体实施方式
实施例一
如图1，夹槽3长度至少为套管4直径的1.5倍，其中为套管4直径的1.5～2.5倍效果较佳，也可大于2.5倍。伸缩管1插入套管4内，锁紧装置为一束环2，装在夹槽3中部，压住套管4外壁使套管4直径减小夹紧伸缩管1。束环为现有技术。
实施例二
如图2，套管4外壁上在夹槽3中部的两边设有带通孔的凸耳5，锁紧装置为一螺栓2，螺栓2穿过通孔旋紧即可缩窄夹槽3，从而使套管4直径减小夹紧伸缩管1。其余与实施例一同。

Claims (3)

1.伸缩套管锁紧机构，包括套管(4)和插管(1)，套管(4)上有夹槽(3)，其特征是，夹槽(3)长度大于或等于套管(4)直径的1.5倍。
2.根据权利要求1所述的机构，其特征是，夹槽(3)长度为套管(4)直径的1.5～2.5倍为佳。
3.根据权利要求1所述的机构，其特征是，套管(4)外壁上在夹槽(3)中部的两边设有用于锁紧的带通孔的凸耳(5)。
CN 200520119846 2005-12-06 2005-12-06 伸缩套管锁紧机构 Expired - Fee Related CN2866930Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520119846 CN2866930Y (zh) 2005-12-06 2005-12-06 伸缩套管锁紧机构

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520119846 CN2866930Y (zh) 2005-12-06 2005-12-06 伸缩套管锁紧机构

Publications (1)

Publication Number Publication Date
CN2866930Y true CN2866930Y (zh) 2007-02-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200520119846 Expired - Fee Related CN2866930Y (zh) 2005-12-06 2005-12-06 伸缩套管锁紧机构

Country Status (1)

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CN (1) CN2866930Y (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111821196A (zh) * 2019-04-22 2020-10-27 施长碧 鼻胃管结构

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111821196A (zh) * 2019-04-22 2020-10-27 施长碧 鼻胃管结构
CN111821196B (zh) * 2019-04-22 2024-03-08 施长碧 鼻胃管结构

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C14 Grant of patent or utility model
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C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: 518125, Furong Road, Furong district, Baoan District, Guangdong, Shenzhen province Furong 6 industry (Shenzhen) Co., Ltd.

Patentee after: Han Dewei

Address before: 518125, Furong Road, Furong district, Baoan District, Guangdong, Shenzhen province Furong 6 industry (Shenzhen) Co., Ltd.

Patentee before: Han Dewei

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070207

Termination date: 20141206

EXPY Termination of patent right or utility model