CN202646275U - 便于安装的膨胀螺栓 - Google Patents

便于安装的膨胀螺栓 Download PDF

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CN202646275U
CN202646275U CN 201120479239 CN201120479239U CN202646275U CN 202646275 U CN202646275 U CN 202646275U CN 201120479239 CN201120479239 CN 201120479239 CN 201120479239 U CN201120479239 U CN 201120479239U CN 202646275 U CN202646275 U CN 202646275U
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曾桂彬
周丽娜
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Abstract

一种便于安装的膨胀螺栓。在螺栓尾端增加一个防止螺栓旋转用的凹槽,凹槽形状做成一字槽、十字槽、内六角或内梅花形状。安装时用螺丝刀伸入螺栓的凹槽止住螺栓旋转即可方便的拧紧螺母,达到便于安装的目的。

Description

便于安装的膨胀螺栓
所属技术领域
本实用新型涉及一种膨胀螺栓,尤其是便于安装的膨胀螺栓。 
背景技术
目前,公知的膨胀螺栓构造是由螺栓、膨胀管、平垫圈、弹垫圈和螺母组成。安装时将所有零件按顺序装好后放入安装孔中,然后旋紧螺母将膨胀管胀紧后固定。但是因为螺栓只有一小段螺纹露在外面不方便夹持,旋紧螺母时螺栓易旋转不易拧紧,夹持螺栓时也易夹伤螺栓的螺纹。 
发明内容
为了克服现有的膨胀螺栓不方便夹持和旋紧,本实用新型的一种膨胀螺栓,由螺母、弹垫圈、平垫圈、膨胀管、螺栓组成,在螺栓尾端增加一个防止螺栓旋转用的凹槽。用普通的工具伸入凹槽即可抵住螺栓不旋转,再用扳手旋螺母即可方便的拧紧螺母。 
本实用新型解决其技术问题所采用的技术方案是:在螺栓尾端增加一个防止螺栓旋转用的凹槽,凹槽形状做成一字槽、十字槽、内六角或内梅花形状。安装时用螺丝刀伸入螺栓的凹槽止住螺栓旋转即可方便的拧紧螺母,达到便于安装的目的。 
本实用新型的有益效果是,使膨胀螺栓的安装变得方便,结构简单。 
附图说明
下面结合附图和实施例对本实用新型进一步说明。 
图1是现有膨胀螺栓的轴测图。 
图2是现有膨胀螺栓的纵剖面构造图。 
图3是现有膨胀螺栓的俯视图。 
图4是现有膨胀螺栓的螺栓剖面构造图。 
图5是本实用新型膨胀螺栓的轴测图。 
图6是本实用新型膨胀螺栓的纵剖面构造图。 
图7是本实用新型膨胀螺栓的俯视图。 
图8是本实用新型膨胀螺栓的左视图。 
图9是本实用新型膨胀螺栓的螺栓剖面构造图。 
图中1.螺母,2.弹垫圈,3.膨胀管,4.螺栓,5.平垫圈,6.螺栓的凹槽。 
具体实施方式
在图2中,螺母(1)、弹垫圈(2)、平垫圈(5)、膨胀管(3)、螺栓(4)按图连接,在图9中,螺栓尾端增加螺栓的凹槽(6),安装时将膨胀螺栓放入安装孔后,用内六角扳手或螺丝刀等常用工具伸入螺栓的凹槽(6)阻止螺栓旋转,即可旋紧螺母(1)。     

Claims (2)

1.一种膨胀螺栓,由螺母、弹垫圈、平垫圈、膨胀管、螺栓组成,其特征是:在螺栓尾端增加一个防止螺栓旋转用的凹槽。
2.根据权利要求1所述的膨胀螺栓,其特征是:螺栓尾端凹槽形状做成一字槽、十字槽、内六角或内梅花形状,安装时用螺丝刀伸入螺栓的凹槽止住螺栓旋转即可方便的拧紧螺母。 
CN 201120479239 2011-11-11 2011-11-11 便于安装的膨胀螺栓 Expired - Fee Related CN202646275U (zh)

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CN 201120479239 CN202646275U (zh) 2011-11-11 2011-11-11 便于安装的膨胀螺栓

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CN 201120479239 CN202646275U (zh) 2011-11-11 2011-11-11 便于安装的膨胀螺栓

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CN202646275U true CN202646275U (zh) 2013-01-02

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CN (1) CN202646275U (zh)

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