Diameter-changing pipe and adjusting method thereof

Abstract

The invention relates to the field of machines, in particular to a diameter-changing pipe and an adjusting method thereof. The diameter-changing pipe comprises a sealing pipe, a reducing pipe and an adjusting ring, wherein the radiuses of the two ends of the reducing pipe are different; the pipe wall at one end with less radius of the reducing pipe is provided with a plurality of gaps; the adjusting ring is arranged on the peripheral wall of the reducing pipe and is connected with the reducing pipe by threads; the sealing pipe is sheathed outside the reducing pipe, one end of the sealing pipe is connected with a ring-shaped connector and the other end of the sealing pipe is connected with a pipeline connecting member; the ring-shaped connector is rotatably connected with the adjusting ring; the inner peripheral wall of the sealing pipe is provided with a first locking platform; and the peripheral wall of the reducing pipe is provided with a second locking platform matched with the first locking platform. The diameter-changing pipe has the advantages that the gaps are arranged on the side wall of the reducing pipe, the peripheral wall of the reducing pipe is provided with the adjusting ring, and the sizes of the gaps are adjusted by rotation of the adjusting ring at the peripheral wall of the reducing pipe, so that the diameter of a pipe opening is adjusted and the adjustment of the diameter-changing amplitude of the diameter-changing pipe is realized.

Description

technical field [0001] The invention relates to the mechanical field, in particular to a reducing pipe and an adjusting method thereof. Background technique [0002] At present, the reducing pipe used to adjust the flow of various fluids generally includes two parts, one is a pipe connection member, and the other is a reducing pipe used to change the flow of fluid; the diameter of the reducing pipe is in its In the axial direction, it gradually decreases from one end to the other end, forming an empty pipe whose diameter at one end is smaller than that at the other end; the pipe connecting member is arranged at the nozzle of the reducer for connecting with the pipe. When in use, the reducer is connected to the pipeline through the pipeline connecting member, or directly connected by butt welding, which realizes the transformation of the flow of various fluids. [0003] Since the variable diameter tube is fixed at the time of manufacture, the only way to change the variable ...

AI Technical Summary

Problems solved by technology

[0004] Therefore, the diameter reduction range of the existing reducing pipe cannot be adjusted, and it takes a lot of time to install it, which is inconvenient for users to use.

Images