An Improved Multifunctional Drainage Pipe
A drainage pipe and multi-functional technology, applied in the field of drainage pipes, can solve the problems of complicated structure of drainage pipes, and achieve the effect of simple structure and good sealing effect.
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[0020] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.
[0021] like Figure 1-3 As shown, an improved multifunctional drainage pipe of the present invention includes a vertically arranged drainage pipe, the drainage pipe includes an inner pipe 1 and an outer pipe 2 sleeved on the outside of the inner pipe 1, the outer pipe 2 is fixed to the wall, and the inner pipe 1 The top extends out from the top of the outer tube 2, and is provided with an adjusting ring 11 at the top of the outer tube 2. The inner tube 1 and the outer tube 2 are respectively provided with a number of arc-shaped perforations 12 and arc-shaped installation holes 21, and the two ends of the perforation 12 are opened. They are respectively located on the inner wall and outer wall of the inner tube 1, the two ends of the opening of t...
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