双向膨胀螺栓
申请公布号:CN2244640Y
申请号:CN95241962.9
申请日期:1995.08.02
申请公布日期:1997.01.08
发明人:张洲
分类号:F16B13/06
主分类号:F16B13/06
代理人:陈树明
地址:641301四川省资阳市内燃机车厂机具分厂机修车间钳工班
摘要:双向膨胀螺栓,它的螺杆1中部附近位置呈下缩的锥形4,螺杆1下端与胀紧螺母3螺纹连接,胀紧螺母3上端呈锥形,膨胀套管2外套在螺杆的锥形4与胀紧螺母3之间,膨胀套管2上、下端均开有膨胀槽5。具有双向膨胀、胀紧力大、抗振动性好,不易倾斜或摇摆松动,固定牢固、可靠等优点。
主权项:1、一种双向膨胀螺栓,由螺杆(1)、膨胀套管(2)、胀紧螺母(3)组成,其特征在于:螺杆(1)中部附近位置呈下缩的锥形(4),螺杆(1)下端与胀紧螺母(3)螺纹连接,胀紧螺母(3)上端呈锥形;膨胀套管(2)外套在螺杆的锥形(4)与胀紧螺母(3)之间,膨胀套管(2)上、下端均开有膨胀槽(5)。
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