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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[0034] Example
[0035] Such as Figure 1~6 As shown, a drill pipe joint provided by the present invention includes a male drill rod 1, a female drill rod 6, a snap ring 2 and a nut 3. The lower end of the male drill rod 1 is provided with an inner stop 1.2, and the inner The hole of the stop 1.2 is provided with a chamfer 1.3, the outer circumferential 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 an inner stop 1.2 of the male drill rod. With the mating outer stop 6.1, the circumferential outer wall of the female drill rod 6 is provided with a groove 6.2 that is the same as the male drill rod groove 1.1, the snap ring 2 has a vertical symmetric structure, and the snap ring 2 The outer circumferential wall is provided with two external threads, an undercut groove 2.3 is provided between the two outer threads, and the circumferential inner wall of the snap ring 2 is provided with a sealing groove 2...
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