Drilling tool joint convenient for inclination measurement operation

便于测斜作业的钻具接头

Abstract

The utility model discloses a drilling tool joint convenient for inclination measurement operation. The drilling tool joint comprises a joint main body and a valve core arranged in the joint main body, the valve core comprises a valve seat and a valve plate, the valve seat is arranged on the inner wall of a shell body in a sealing manner, one side of the valve plate is connected to an outlet end of the valve seat through a connector, an elastic component enables the valve plate to keep a normally closed state, the inner wall of the outlet end of the joint main body is provided with a plurality of centralizing guide blocks, cylindrical centralizing guide channels are formed among the plurality of centralizing guide blocks, the central line of the cylindrical centralizing guide channels is superposed with the central line of a cylindrical channel on the inner wall of the outlet end of the valve seat, and the diameter of each cylindrical centralizing guide channel is equal to the diameter of the cylindrical channel formed on the inner wall of the outlet end of the valve seat. The drilling tool joint disclosed by the utility model has the advantages of reasonable and compact structure, good erosion resistance, convenience in use, large flow rate, reliable seal and the like.
本实用新型公开了一种便于测斜作业的钻具接头,所述钻具接头包括接头主体和安装在接头主体中的阀芯,阀芯包括阀座和阀板,阀座密封地安装于外壳体的内壁上,阀板的一侧通过连接件连接到阀座的出口端,弹性构件使阀板保持常闭状态,接头主体的出口端内壁上设置有多个扶正导向块,多个扶正导向块之间形成圆柱形的扶正导向通道,圆柱形扶正导向通道的中心线与阀座出口端内壁形成的圆柱形通道的中心线重合,并且圆柱形扶正导向通道的直径与阀座出口端内壁形成的圆柱形通道的直径相等。本实用新型结构合理紧凑,具有耐冲蚀性好、使用方便、流量大、密封可靠等优点。

Claims

Description

Topics

Download Full PDF Version (Non-Commercial Use)

Patent Citations (0)

    Publication numberPublication dateAssigneeTitle

NO-Patent Citations (0)

    Title

Cited By (2)

    Publication numberPublication dateAssigneeTitle
    CN-102536132-AJuly 04, 2012中国石油集团川庆钻探工程有限公司Drilling tool joint convenient for inclinometry operation
    CN-102536132-BAugust 13, 2014中国石油集团川庆钻探工程有限公司便于测斜作业的钻具接头