CN2239459Y - 一种插入式膨胀螺钉 - Google Patents
一种插入式膨胀螺钉 Download PDFInfo
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- CN2239459Y CN2239459Y CN 95240703 CN95240703U CN2239459Y CN 2239459 Y CN2239459 Y CN 2239459Y CN 95240703 CN95240703 CN 95240703 CN 95240703 U CN95240703 U CN 95240703U CN 2239459 Y CN2239459 Y CN 2239459Y
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Abstract
一种插入式膨胀螺钉,由螺丝底座,膨胀管,螺栓组成,其特征在于螺丝底座一头大一头小,小头插入膨胀管中,螺丝底座内壁有螺纹,螺纹与螺栓配合,螺栓从插入膨胀管的螺丝底座的小头处旋入。
Description
一种插入式膨胀螺钉,属建材领域。
现在市场上普遍使用的膨胀螺钉,螺丝底座与螺栓部分为一体,墙外用螺母收紧,,由于墙体厚度不同,胀紧程度不同,常会在使用时发现装好后外露部分太多,影响美观,而且很难取下。
本实用新型主要是为克服以上缺陷而设计的一种新型膨胀螺丝,装好后外露部分很少,且不用时易于拆卸。
本实用新型的设计方案为:
一种插入式膨胀螺钉,由螺丝底座,膨胀管,螺栓组成,其特征在于螺丝底座一头大一头小,小头插入膨胀管中,螺丝底座内壁有螺纹,螺纹与螺栓配合,螺栓从插入膨胀管的螺丝底座的小头处旋入。
下面结合附图详细说明:
,一种插入式膨胀螺钉,由螺丝底座1,膨胀管2,螺栓3组成,其特征在于螺丝底座1,一头大一头小,小头插入膨胀管2中,螺丝底座1内壁有螺纹,螺纹与螺栓3配合,螺栓3从插入膨胀管2的螺丝底座1的小头处旋入。
这种结构,在使用时拧紧螺栓,螺丝底座内壁螺纹由于与螺栓配合于是钻进膨胀管,由于螺丝底座一头大一头小,在大头进入时,自然推挤膨胀管使其充分张开,从而达到固定目的。这样,外露部分仅为螺栓部分。另外,在拆卸时仅需反向拧松螺栓便可轻松拨出。
本实用新型结构简单,应用面广,设计独特。
Claims (1)
1.一种插入式膨胀螺钉,由螺丝底座1,膨胀管2,螺栓3组成,其特征在于螺丝底座1一头大一头小,小头插入膨胀管2中,螺丝底座1内壁有螺纹,螺纹与螺栓3配合,螺栓3从插入膨胀管2的螺丝底座1的小头处旋入。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 95240703 CN2239459Y (zh) | 1995-10-20 | 1995-10-20 | 一种插入式膨胀螺钉 |
Applications Claiming Priority (1)
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CN 95240703 CN2239459Y (zh) | 1995-10-20 | 1995-10-20 | 一种插入式膨胀螺钉 |
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CN2239459Y true CN2239459Y (zh) | 1996-11-06 |
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CN 95240703 Expired - Fee Related CN2239459Y (zh) | 1995-10-20 | 1995-10-20 | 一种插入式膨胀螺钉 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104564959A (zh) * | 2015-01-16 | 2015-04-29 | 福建龙岩尔彬农业发展有限责任公司 | 一种快捷安装的膨胀螺丝 |
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1995
- 1995-10-20 CN CN 95240703 patent/CN2239459Y/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104564959A (zh) * | 2015-01-16 | 2015-04-29 | 福建龙岩尔彬农业发展有限责任公司 | 一种快捷安装的膨胀螺丝 |
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