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CN201322036Y - 一种防盗螺栓 - Google Patents

一种防盗螺栓 Download PDF

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Publication number
CN201322036Y
CN201322036Y CNU2008201538030U CN200820153803U CN201322036Y CN 201322036 Y CN201322036 Y CN 201322036Y CN U2008201538030 U CNU2008201538030 U CN U2008201538030U CN 200820153803 U CN200820153803 U CN 200820153803U CN 201322036 Y CN201322036 Y CN 201322036Y
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nut
screw
groove
pin hole
pin
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CNU2008201538030U
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English (en)
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刘庭波
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Shanghai Branch Of China National Power Grid Corp Operation Branch
State Grid Corp of China SGCC
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Shanghai EHV Administration of State Grid Operation Co Ltd
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Abstract

本实用新型公开了一种防盗螺栓，它包括螺杆和螺母，在螺杆的螺纹端有沿轴线方向的螺杆凹槽，在螺母的内侧有沿轴线方向的螺母凹槽，螺杆和螺母相互咬合后螺杆凹槽与螺母凹槽构成一个销钉孔，在此销钉孔内增设一个止动销钉。所述的止动销钉一般是用锤子砸进销钉孔内的，止动销钉不容易取出，盗窍者在不破坏该螺栓付的情况下，很难卸下螺母，所以它具有良好的防盗性能。另外它还具有结构简单，安装方便等优点。

Description

一种防盗螺栓
技术领域
本实用新型涉及一种机械零配件，尤其是一种防盗螺栓。
背景技术
现有技术的螺栓由具有螺杆头的螺杆、螺母构成。这种螺栓用扳手非常容易拆卸。在一些机械设备，如电力线路架设设备铁塔、风力发电机的塔架、通讯信号塔等，都需要通过螺栓连接固定。在野外没人看管的情况下经常被盗窃分子卸掉，容易造成非常严重的经济损失。为了防盗，在普通螺栓上加盖防盗帽，同铁锤敲击螺杆端部变形，但是这些措施均不能达到真正防盗之目的，窃贼仍然能用扳手强力拆卸。
发明内容
本实用新型的目的在于克服现有技术的不足，结构简单，安装方便，防盗效果好的一种防盗螺栓。
本实用新型的目的是这样实现的：一种防盗螺栓，它包括螺杆和螺母，其特征在于：在螺杆的螺纹端有沿轴线方向的螺杆凹槽，在螺母的内侧有沿轴线方向的螺母凹槽，螺杆和螺母相互咬合后螺杆凹槽与螺母凹槽构成一个销钉孔，在此销钉孔内增设一个止动销钉。
所述的螺杆凹槽和螺母凹槽其横截面都是半圆形，螺杆和螺母相互咬合后螺杆凹槽与螺母凹槽构成一个圆柱形销钉孔，在此销钉孔内增设一个圆柱形止动销钉。
本实用新型和现有技术相比其优点在于：由于本实用新型的螺杆和螺母相互咬合后螺杆凹槽与螺母凹槽构成一个销钉孔，在此销钉孔内插入一个止动销钉，防止使用扳手卸下螺母，起到防盗的目的，这种结构防盗效果好，所述的止动销钉一般是用锤子砸进销钉孔内的，止动销钉不容易取出，不取出销钉是不能用扳手卸下螺母的。另外它还具有结构简单，安装方便等优点。
附图说明
图1是本实用新型立体结构示意图；
具体实施方式
下面结合附图和具体实施例对本实用新型做进一步说明。
如图1所示，一种防盗螺栓，它包括螺杆1和螺母3，在螺杆1的螺纹端有沿轴线方向的螺杆凹槽2，在螺母3的内侧有沿轴线方向的螺母凹槽4，所述的螺杆凹槽2和螺母凹槽4其横截面都是半圆形，螺杆1和螺母3相互咬合后螺杆凹槽2与螺母凹槽4构成一个圆柱形销钉孔，在此销钉孔内增设一个圆柱形止动销钉5。

Claims (2)

1、一种防盗螺栓，它包括螺杆(1)和螺母(3)，其特征在于：在螺杆(1)的螺纹端有沿轴线方向的螺杆凹槽(2)，在螺母(3)的内侧有沿轴线方向的螺母凹槽(4)，螺杆(1)和螺母(3)相互咬合后螺杆凹槽(2)与螺母凹槽(4)构成一个销钉孔，在此销钉孔内增设一个止动销钉(5)。
2、按着权利要求1所述的防盗螺栓，其特征在于：所述的螺杆凹槽(2)和螺母凹槽(4)其横截面都是半圆形，螺杆(1)和螺母(3)相互咬合后螺杆凹槽(2)与螺母凹槽(4)构成一个圆柱形销钉孔，在此销钉孔内增设一个圆柱形止动销钉(5)。
CNU2008201538030U 2008-10-08 2008-10-08 一种防盗螺栓 Expired - Lifetime CN201322036Y (zh)

Priority Applications (1)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2420684A1 (en) * 2010-08-20 2012-02-22 Alstom Technology Ltd Bolt
CN102840276A (zh) * 2012-09-03 2012-12-26 国家电网公司 防盗ut线夹
CN102935860A (zh) * 2012-10-23 2013-02-20 安徽誉丰汽车技术有限责任公司 转向系统随动臂支座结构
CN105201997A (zh) * 2015-11-06 2015-12-30 国网山东平度市供电公司 防盗螺栓
CN105422596A (zh) * 2015-09-22 2016-03-23 天津成立航空技术有限公司 盲孔用导向自锁螺栓连接组件及使用方法
CN105697506A (zh) * 2016-04-08 2016-06-22 长葛市吉庆机械厂 防盗螺丝组件

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2420684A1 (en) * 2010-08-20 2012-02-22 Alstom Technology Ltd Bolt
CN102840276A (zh) * 2012-09-03 2012-12-26 国家电网公司 防盗ut线夹
CN102935860A (zh) * 2012-10-23 2013-02-20 安徽誉丰汽车技术有限责任公司 转向系统随动臂支座结构
CN105422596A (zh) * 2015-09-22 2016-03-23 天津成立航空技术有限公司 盲孔用导向自锁螺栓连接组件及使用方法
CN105201997A (zh) * 2015-11-06 2015-12-30 国网山东平度市供电公司 防盗螺栓
CN105697506A (zh) * 2016-04-08 2016-06-22 长葛市吉庆机械厂 防盗螺丝组件

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