Sealing and odor-preventing floor drain

Abstract

The invention relates to a sealing and odor-preventing floor drain. The floor drain comprises a floor drain shell, a floor drain cover, an inner pipe, a floating ball and an outer pipe, wherein the floor drain shell is in a bowl shape, a through hole for installing the inner pipe is formed in the center of the bottom of the floor drain shell, the floor drain cover corresponds to the floor drain shell, a filtering hole is formed in the floor drain cover, the inner pipe is a cylinder, the interior of the inner pipe is hollow, the two ends of the inner pipe are provided with holes which are a water inlet hole and a water outlet hole correspondingly, and one end of the water inlet hole is connected with the floor drain shell; and the floating ball is arranged in the inner pipe, the diameter ofthe floating ball is larger than the diameter of the water outlet hole and is smaller than the inner diameter of the inner pipe, the outer pipe and the inner pipe are coaxially arranged, one end of the outer pipe is provided with a bottom, the side wall of the other end of the outer pipe is provided with a water leaking opening, and the end, provided with the water leaking opening, of the outer pipe is connected with the floor drain shell. The floor drain can still realize sealing after sewage in a floor drain structure is dried up, so that odor from a sewer is prevented from floating upwardsinto a living room.

Description

Technical field [0001] The invention relates to the field of drainage pipelines, in particular to a sealed and deodorant floor drain. Background technique [0002] The floor drain is an important interface connecting the drainage pipe system and the indoor floor. As an important part of the drainage system in the house, its performance directly affects the quality of indoor air. Floor drains are designed and installed on the floors of the kitchens and bathrooms in the building rooms. , Used to drain sewage and prevent odor from flushing. The traditional floor drain structure is to buckle an inverted sealing bowl on an annular U-shaped bowl, and ribs are designed on the contact part of the sealing bowl and the U-shaped bowl to keep the contact part with a leaky gap. Cover with a grate cover to block dirt. The working principle is that when sewage is discharged, the U-shaped bowl is first filled, and the sewage is used to seal off the odor of the sewer. The disadvantage of this ...

AI Technical Summary

Problems solved by technology

The disadvantage of this structure is that when the sewage dries up, the sealing effect is lost, and the sewer odor still rushes up into the living room, so the sealing effect cannot be achieved.

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