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发明名称
方便型防卸拧螺丝
摘要
本实用新型是为防止野外无人值守的输电、电讯等设施被人拧卸螺栓以至丢失器材而专门设计的方便型防卸拧螺丝。它由螺栓和凸台螺母及凹槽螺母组成。凹槽螺母的螺纹上有轴向斜面凹槽,斜面凹槽内粘附楔钉,紧固前楔钉外端置于凹槽内,正对凸台,紧固后楔钉被凸台全部压入斜面凹槽,将凹槽螺母与螺栓楔紧,并锁定防卸。本实用新型结构巧妙,使用方便,螺丝拧紧后就再也不会被拧卸,从而防止被紧固工件及设备丢失。
申请公布号
CN2635977Y
申请公布日期
2004.08.25
申请号
CN03269643.4
申请日期
2003.07.03
申请人
单建敏
发明人
单建敏
分类号
F16B39/28;F16B41/00
主分类号
F16B39/28
代理机构
代理人
主权项
1、方便型防卸拧螺丝,由螺栓及螺母组成,其特征在于所说的螺母包括凸台螺母(3)和凹槽螺母(8),凹槽螺母(8)一端的凹槽(6)与凸台螺母(3)一端的凸台(4)对置,凹槽螺母(8)的螺纹(10)上有轴向斜面凹槽(9),斜面随凹槽螺母(8)拧紧方向由深变浅,斜面凹槽(9)内粘附楔钉(7),紧固前,楔钉(7)外端置于凹槽(6)内,正对凸台(4),紧固后,楔钉(7)被凸台(4)全部压入斜面凹槽(9)。
地址
050800河北省正定县朱夫屯镇罗家庄
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