Stainless steel pipe fitting with spiral connecting pipes
A technology of screw connection and connection of pipes, applied in the direction of pipes/pipe joints/fittings, pipes, rigid pipes, etc., can solve the problems of increasing wall thickness, heavy weight, sacrificing weight, etc., to achieve weight reduction, pipe wall thickness reduction, Guaranteed strength
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Embodiment 1
[0011] A pipe fitting provided with a spiral connecting pipe 3, the pipe fitting provided with a spiral connecting pipe 3 includes an inner pipe 1 and an outer pipe 2 arranged outside the inner pipe 1, the outer wall of the inner pipe 1 is provided with a connecting pipe 3, The connecting pipe 3 spirally surrounds the outer wall of the inner pipe 1; the inner side of the connecting pipe 3 is connected with the inner pipe 1, and the outer side of the connecting pipe 3 is connected with the outer pipe 2; a support pipe is arranged in the pipe body, and the support pipe It includes an inner support tube 4 and an outer support tube 5 supported by the inner support tube 4; the inner support tube 4 is provided on the outer wall of the inner tube 1, and the inner support tube 4 spirally surrounds the outer wall of the inner tube 1 in the axial direction; An outer support tube 5 is arranged on the inner wall of the outer tube 2, and the outer support tube 5 spirally surrounds the inner...
Embodiment 2
[0013] On the basis of Embodiment 1, as a more optimized solution, the connecting pipe 3 is integrally formed with the inner pipe 1 and the outer pipe 2; the inner support pipe 4 is integrally formed with the inner pipe 1; the outer support pipe 5 Formed integrally with the outer tube 2.
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