利索-全球专利检索

  1. 登录
  2. 注册
实用新型
CN207160999U 一种钻杆连接装置 失效 - 权利终止

一种钻杆连接装置
摘要：
本实用新型公开了一种钻杆连接装置，其主要包括：止退螺母，止退螺纹所在处，外层螺纹，内层螺纹，外置大螺母以及钻杆本体；所述钻杆本体的端部设置有外层螺纹，内层螺纹；两根钻杆本体紧密连接时，止退螺母位于止退螺纹所在处，并紧密连接在止退螺纹所在处；外置大螺母与外层螺纹紧密连接并且顶部位于止退螺母所在处，并与止退螺母紧密接触；内层螺纹此时也是紧密连接在一起的；钻杆整体紧密连接。
摘要（英）：

The utility model discloses a drilling rod connecting device, it mainly includes: the stopping nut, stopping screw thread place department, outer screw thread, inlayer screw thread, external big nut and drilling rod body, the tip of drilling rod body is provided with outer screw thread, inlayer screw thread, during two drilling rod body zonulae occludens, the stopping nut is located stopping screwthread place department to zonulae occludens is in stopping screw thread place department, external big nut and outer screw thread zonulae occludens are and the top is located stopping nut place department to with stopping nut in close contact with, the inlayer screw thread also is at this moment that zonulae occludens is in the same place, the whole zonulae occludens of drilling rod.

0/0