MICROGRAVITY SELF-CLOSING FLOOR DRAIN AND DRAINAGE METHOD

WIPO Patent Application WO/2019/041083

A1

A microgravity self-closing floor drain and a drainage method, comprising: a housing (1) being of a concave or cup-like structure, having a bottom central hole (4), and connected to a drainage pipeline (5); a core body (2) located between the bottom central hole (4) of the housing (1) and a vertical inner wall (11) of the housing (1) and comprising a framework (21) fixed to the bottom of the housing (1), an outer wall (211) of the framework (21) and the vertical inner wall (11) of the housing forming a concave peripheral passage (6) for water leakage, and the framework (21) being designed with a through hole (212) to be communicated with the peripheral passage (6); a hinge (22) being of a flip-down integrated structure and comprising a rotating shaft portion (211) and a flip-down portion, the rotating shaft portion (211) being symmetrical about two ends of the upper portion of the hinge (22), the rotating shaft portion (211) being respectively axially attached to a shaft groove on the framework (21), and the hinge (22) being parallel to the inner wall (213) of the framework (21), and covering on the through hole (6); and a sealing plate (23) fixedly encapsulated on the framework (21).

WEI SHANLONG (CN)

PCT/CN2017/099235

March 07, 2019

August 28, 2017

Click for automatic bibliography generation  

WEI SHANLONG (CN)

E03C1/282; E03C1/22; E03F5/04

CN202787426U	2013-03-13
CN106703162A	2017-05-24
CN201241366Y	2009-05-20
CN201132992Y	2008-10-15
CN102535603A	2012-07-04
CN2863931Y	2007-01-31
CN203247665U	2013-10-23
JP4458823B2	2010-04-28
DE202010001874U1	2011-06-09

LECOME INTELLECTUAL PROPERTY AGENT LTD. (CN)

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