MAGLEV FLOOR DRAIN CORE

WIPO Patent Application WO/2018/121538

A1

A maglev floor drain core, comprising a cylindrical barrel (1), a cylindrical inner shell (2) connected to and provided within the barrel (1), and a sealing member (3). The lower end of the barrel (1) is connected to a support (4); the sealing member (3) comprises an elongate rod (31), and a sealing portion (32) fixed to the upper end of the rod (31); the rod (31) passes through the support (4); a reset mechanism is provided between the sealing member (3) and the support (4) for making the sealing member (3) to reset upwards after the sealing members (3) moves downwards, and the sealing member (3) may abut the lower end of the inner shell (2) under the action of the reset mechanism and seal same; the middle part of the sealing portion (32) protrudes upwards to form a drainage surface (32a) having a curbed surface or a plurality of inclined planes at the upper surface of the sealing portion (32); the drainage surface (32a) of the sealing portion (32) further comprises a plurality of diversion grooves (32b) extending from the middle part of the sealing portion (32) to the edge; the side wall of the diversion grooves (32b) is provided with an inclined or curved diversion surface (32c1), and the diversion surface (32c1) may receive the force of the water flow and cause the sealing member (3) to rotate about the axis of the rod (31).

LV JIAJIE (CN)

PCT/CN2017/118667

July 05, 2018

December 26, 2017

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LV JIAJIE (CN)

E03F5/04; E03C1/28

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DE102011055116A1	2013-05-08

TAIZHOU FANGYUAN PATENT ATTORNEY FIRM (GENERAL PARTNERSHIP) et al. (CN)

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