Telescopic adjusting pipe and watering tubular column with same
A technology of telescopic adjustment and water pipe, which is applied in the field of water-mixed oil production, can solve the problems of unsafe operation and inconvenient adjustment of the height and position of the pipe string, and achieve the effect of reliable thread fit and regular shape
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[0039] The above-mentioned technical features and advantages of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some, not all, embodiments of the present invention.
[0040] see figure 1 As shown, the present invention proposes a telescopic adjustment pipe 1, which includes a telescopic assembly and a jacket assembly. The telescopic assembly includes a central pipe 10 , a sleeve 20 and an upper collar 30 , the sleeve 20 is sleeved on the outside of the central pipe 10 , and the upper collar 30 is connected to the upper end of the central pipe 10 . The outer wall of the center pipe 10 is provided with external threads, and the inner wall of the casing 20 is provided with internal threads that can engage with the external threads; The opening is connected.
[0041] The casing assembly includes an upper outer cylinder 50 , a lower outer cylinder 60 , a lower short ...
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