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发明名称
带卡头的膨胀栓
摘要
本实用新型提供一种带卡头膨胀栓,属膨胀螺钉领域。本实用新型采用带锥度的膨胀套代替以往的筒形膨胀套,而使联接自锁性好、抗冲击、联接可靠;同时在螺栓杆螺纹端头设有卡头结构,便于夹持上紧;解除部件时,也便于锤击松动;本结构的膨胀栓还可用于盲孔金属座与外接件的联接,扩大了膨胀栓的使用范围。本实用新型结构简单,使用方便,可按联接力需要,形成系列化。
申请公布号
CN2036599U
申请公布日期
1989.04.26
申请号
CN88208704.5
申请日期
1988.07.16
申请人
昆明钢铁公司
发明人
徐景江
分类号
F16B13/06
主分类号
F16B13/06
代理机构
代理人
主权项
1、一种带卡头的膨胀栓,由具有带一定锥度的膨杆段的螺栓杆1和套于膨杆段的具有径向开口的胀套2和螺母、垫圈构成,其特征在于螺栓杆1螺纹段前端头有卡头;胀套2是由带有一定斜度的薄型斜带材卷制而成的内锥形圆筒形,其径向对称四等分处开有三个约为其轴向长度1/3~1/2的开口,另一对称处为全开口(即卷口不封合)。
地址
云南省昆明市安宁县
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