CN2559822Y - 倒锥式膨胀螺钉 - Google Patents

倒锥式膨胀螺钉 Download PDF

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CN2559822Y
CN2559822Y CN 02276119 CN02276119U CN2559822Y CN 2559822 Y CN2559822 Y CN 2559822Y CN 02276119 CN02276119 CN 02276119 CN 02276119 U CN02276119 U CN 02276119U CN 2559822 Y CN2559822 Y CN 2559822Y
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screw mandrel
flexuose
taper
taper pin
model
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Expired - Fee Related
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CN 02276119
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何国绪
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Individual
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Abstract

本实用新型是倒锥式膨胀螺钉,由丝杆、六角螺母、垫圈、锯齿状锥销构成。具有安装方便,连接安装牢固,一次性使用的特点。适宜家用电器安装、建筑安装及设备连接安装应用。

Description

倒锥式膨胀螺钉
本实用新型涉及一种紧固或固定构件。
现有的螺钉,靠轴向力紧固,易松动;现有的用于电器、建筑安装的膨胀螺钉,膨胀的径向紧固力小,连接不牢固。
本实用新型旨在克服现有技术的缺点,提供一种倒锥式膨胀螺钉,增大径向紧固力,连接安装牢固。
本实用新型的目的是这样实现的:倒锥式膨胀螺钉由丝杆1、六角螺母2、垫圈3、锯齿状锥销4构成。六角螺母2、垫圈3装于丝杆1后部的螺纹杆上,丝杆1的前部呈四辨爪,内部制有前大后小的倒锥孔,前端头制有卡爪。锯齿状锥销4呈前小后大的台阶式锥销。锯齿状锥销与丝杆前部的倒锥孔相应的制成四方锥形或圆锥形,锥角10°~20°。使用时将锯齿状锥销4的前部***丝杆1前端头的卡爪孔里,用锤子击入,使丝杆1前部的四辨爪膨胀。
本实用新型具有安装方便,连接安装牢固,一次性使用的特点。适宜家用电器安装、建筑安装、设备连接安装应用。
本实用新型以下将结合图中的实施例进一步描述:
图1为结构图,采用局部部视画出。由丝杆1、六角螺母2、垫圈3、锯齿状锥销4构成。六角螺母2、垫圈3选用通用标准件。丝杆1、锯齿状锥销4用铸钢件或A3钢制成。锯齿状锥销4和丝杆1前部的倒锥孔相应的制成四方锥形或者圆锥形,锥角10°~20°。

Claims (1)

  1. 倒锥式膨胀螺钉,由丝杆、六角螺母、垫圈、锯齿状锥销构成,其特征在于:丝杆的前部呈四辨爪,其内部制有前大后小的倒锥孔,前端头制有卡爪;锯齿状锥销呈前小后大的台阶式锥销;锯齿状锥销与丝杆前部的倒锥孔相应的制成四方锥形成或圆锥形,锥角10°~20°。
CN 02276119 2002-08-13 2002-08-13 倒锥式膨胀螺钉 Expired - Fee Related CN2559822Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 02276119 CN2559822Y (zh) 2002-08-13 2002-08-13 倒锥式膨胀螺钉

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 02276119 CN2559822Y (zh) 2002-08-13 2002-08-13 倒锥式膨胀螺钉

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CN2559822Y true CN2559822Y (zh) 2003-07-09

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CN 02276119 Expired - Fee Related CN2559822Y (zh) 2002-08-13 2002-08-13 倒锥式膨胀螺钉

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102192224A (zh) * 2010-12-10 2011-09-21 上海康驰建筑技术有限公司 一种锚栓和与之配合的锚固方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102192224A (zh) * 2010-12-10 2011-09-21 上海康驰建筑技术有限公司 一种锚栓和与之配合的锚固方法

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