Self-sealing quick-changing joint and its mounting method
An installation method and technology of internal joints, applied in the direction of couplings, metal rolling, metal rolling racks, etc., can solve problems such as leakage and low efficiency
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[0011] combined with Figure 1~5 The present invention is described further:
[0012] The present invention mainly includes an independent outer tube 1 and an inner joint; the inner joint is mainly composed of a sealing ring (1) 2, an inner tube 3, a main pipe 4, a sealing ring (2) 5, a sealing ring (3) 6, a spring 7, and a ferrule 8. The positioning ring 9, the connecting plate 10 and the pipe joint 11 are composed of: a sealing ring (1) 2 is installed at the end of the inner pipe 3, and the spring 7 is set on the main pipe 4, and a sealing ring is installed between the upper surface and the end face of the main pipe 4 ( 2) 5, the sealing ring (3) 6 is installed between the inner ring and the outer cylindrical surface of the main pipe 4; The lower end is provided with a shaft shoulder and an internal thread, and after positioning by the positioning ring 9, the external thread of the pipe joint 11 is connected with the internal thread of the main pipe 4.
[0013] Under the a...
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