An anti-seepage pre-embedded pipe

Abstract

The invention discloses an anti-seepage pre-embedded pipe. The pipe includes a straight pipe body, an annular drainage loop arranged on the external circumference of the straight pipe body, and an annular waterproof cap fixedly connected with the internal wall of the straight pipe body to form an annular slot; the annular drainage loop inclines upward, a water-collecting groove with an inverted triangle-shaped cross section is formed, penetrating drainage holes are also formed in the circumference of the straight pipe body, the drainage holes are positioned above the connection between the annular drainage loop and the straight pipe body and communicate with the inner part of the straight pipe body, the drainage holes are positioned above the annular waterproof cap, and a seal structure isarranged in the annular slot. The annular drainage loop cooperates with the drainage holes, water infiltrated into the gap between the pre-embedded pipe and a floor laminate can be drained in time, and the anti-leak effect is good. The water overflowing from the installation gap between the pre-embedded pipe and a lower layer pipeline can be effectively prevented by arranging the annular waterproof cap and the seal structure, and the anti-seepage effect is comprehensive.

Description

technical field [0001] The invention belongs to the technical field of pipe fittings, and in particular relates to an anti-seepage pre-embedded pipe. Background technique [0002] At present, in construction and installation projects, many pipes need to be installed through the wall or floor, some of which need to be leak-proof, such as toilets and roof pipes, which require pre-embedded pipes when pouring concrete. In order to avoid leakage due to lax plugging and subsequent losses, but leakage is prone to occur despite the use of pre-embedded pipes. There are usually two situations: one is because the concrete or cement will shrink after pre-embedded molding, resulting in pre-embedded pipes. There is a gap between the buried pipe and the floor slab. When there is water accumulation on the upper floor, the water will leak from the gap to the lower floor; The overflow in the gap between the lower pipes penetrates to the lower layer. [0003] For the first case, the inventio...

AI Technical Summary

Problems solved by technology

However, this kind of structure only prevents the downward seepage of water within a certain period of time, and the water remains in the gap. When the gap is large or the water accumulation time is long, water seepage will also occur.

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