Drill rod connector
A technology for drill pipe joints and drill pipes, which is applied in the direction of drill pipes, drill pipes, and drilling equipment. Uniform seam and reliable sealing effect
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[0035] Such as Figure 1~6 As shown, a drill pipe joint provided by the present invention includes a male drill pipe 1, a female drill pipe 6, a snap ring 2 and a nut 3, the lower end surface of the male drill pipe 1 is provided with an inner stop 1.2, and the inner The opening of the spigot 1.2 is provided with a chamfer 1.3, the outer wall of the male drill rod 1 is provided with a groove 1.1, and the upper end surface of the female drill rod 6 is provided with a groove corresponding to the inner spigot 1.2 of the male drill rod. Matched outer stop 6.1, the peripheral outer wall of the female drill pipe 6 is provided with the same groove 6.2 as the male drill pipe groove 1.1, the snap ring 2 has a symmetrical structure up and down, and the snap ring 2 The outer wall of the circumference is provided with two external threads, and a tool relief groove 2.3 is provided between the two external threads, and the inner wall of the circumference of the snap ring 2 is provided with a...
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