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发明名称
防盗井盖
摘要
本实用新型公开了一种防盗井盖,包括井盖,该井盖圆心处设有空心轴,该空心轴在井盖下的部分依次设有与该空心轴串联的联动轮和定位锁,该联动轮下固定连接螺栓,该螺栓上套有复位弹簧;该井盖下联动轮的两侧设有锁板定位块;该井盖下靠近边缘处设有导向块;该联动轮通过连杆螺栓与连杆的一端铰接,该连杆的另一端与导向块滑动连接。本实用新型结构简单,防盗效果也很好,工作人员开启井盖也十分方便。
申请公布号
CN2780837Y
申请公布日期
2006.05.17
申请号
CN200520001480.X
申请日期
2005.01.26
申请人
王莘莘;王凯年
发明人
王凯年;杨杰;王莘莘
分类号
E02D29/14(2006.01)
主分类号
E02D29/14(2006.01)
代理机构
代理人
主权项
1、防盗井盖,包括井盖(11),其特征为:该井盖(11)圆心处设有空心轴(1),该空心轴(1)在井盖(11)下的部分依次设有与该空心轴(1)串联的联动轮(2)和定位锁(3);该联动轮(2)下固定连接螺栓(4),该螺栓(4)上套有复位弹簧(5);该井盖(11)下联动轮(2)的两侧设有锁板定位块(6);该井盖下靠近边缘处设有导向块(7);该联动轮(2)通过连杆螺栓(8)与连杆(9)的一端铰接,该连杆(9)的另一端与导向块(7)滑动连接。
地址
100025北京市朝阳区延静中街20号
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