A rainwater drainage system riser embedded floor drain

Abstract

This application discloses a pre-embedded floor drain in the standpipe of a rainwater drainage system, which includes a protective cover, a water collecting tray, an upper standpipe, a lower standpipe and a main body. Cooperate and insert in the main body; there are several vertical grid plates on the outside of the small round tube, and when the small round tube is inserted into the lower riser, all the grid plates on the outer side of the small round tube are in close contact with the inner wall of the lower riser The accumulated water enters the water collection tray after being filtered by the protective cover, and then flows into the lower standpipe through the water flow channel formed between the outer wall of the small round tube, the grid plate and the inner wall of the lower standpipe. The structure of the present application is simple, and the indented structure in the middle of the main body can accelerate the speed of water flow down, enhance the siphon effect, and enhance the drainage capacity of the floor drain. The middle part of the main body is provided with an indentation structure, the outer part of the main body is provided with baffles, and the grid plate structure is arranged outside the lower part of the main body, which can ensure that the gas is compensated into the lower riser when the flow is full, so that no negative pressure will be formed in the riser, thereby avoiding Sucking occurs.

Description

technical field [0001] The application relates to a rainwater drainage system of a building, in particular to a pre-buried floor drain in a standpipe of the rainwater drainage system. Background technique [0002] Nowadays, the policy of zero direct discharge of sewage is proposed, requiring rainwater and sewage to be discharged separately, and the rainwater drainage system needs to use a separate riser. The riser of the rainwater drainage system is generally installed in the corner of the balcony. Before the riser is installed, holes are reserved on the balcony structural plate, and the riser is sealed after the riser is installed. However, such a method is prone to cracks due to the shrinkage of the sealing material, which in turn causes water leakage. Contents of the invention [0003] In view of the above-mentioned technical problems existing in the prior art, the purpose of this application is to provide a pre-embedded floor drain for the standpipe of the rainwater d...

AI Technical Summary

Problems solved by technology

However, this method is prone to cracks due to the shrinkage of the sealing material, which in turn causes water leakage.

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