Municipal composite drainage pipe
A technology for drainage pipes and drainage hoses, which is applied in sewer pipe systems, waterway systems, water supply devices, etc. It can solve the problems of drain pipe bursting, high load pressure of drain pipes, and easy bursting, etc., to prevent bursting and increase drainage capacity , the effect of simple structure
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[0012] like figure 1 As shown, the municipal composite drainage pipeline includes an outer pipeline 2 with an accommodating chamber 8 in the middle of the outer pipeline 2, an inner pipeline 4 is installed in the accommodating cavity 8, and a drainage hose 7 is arranged in the middle of the inner pipeline 4. The inner pipe 4 is provided with more than one fixed part 6 around the inner pipe 4. The fixed part 6 protrudes from the inner pipe 4. There is an installation cavity in the middle of the inner pipe 4, and the drain hose 7 is arranged in the installation cavity. , the outside of the drain hose 7 is facing each fixed part with a ejector part 3, the ejector part 3 passes through the fixed part to the outer end of the fixed part and its ejector part is connected with the outer pipe 2 when draining. contact with the inner wall of the chamber.
[0013] In this embodiment, the ejector part and the drain hose are of an integrated structure, both of which are made of soft rubber...
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