Effort-saving flap-type drain valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11898337
APP PUB NO 20230089999A1
SERIAL NO

17799066

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Abstract

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The present disclosure discloses an effort-saving flap-type drain valve, comprising a base with a drain port, a flapper capable of hermetically covering and connecting to the drain port, an actuator connected to the flapper, and a connecting rod rotationally connected to the base and the flapper at two ends respectively, wherein the actuator is capable of causing the flapper to rotate relative to the connecting rod, and the actuator is capable of simultaneously causing the flapper to rotate about a first rotation pivot formed at a position where the flapper is in contact with the base to initially open the drain port; and wherein the actuator is capable of causing the flapper and the connecting rod to rotate together about a second rotation pivot formed at a rotational connection between the connecting rod and the base to further open the drain port.

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Patent Owner(s)

Patent OwnerAddress
XIAMEN R&T PLUMBING TECHNOLOGY CO LTD361028 HOU XIANG ROAD HAICANG DISTRICT XIAMEN FUJIAN PROVINCE NO 18 XIAMEN CITY FUJIAN PROVINCE 361028

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Ruiliang Fujian, CN 3 3
Wang, Xingdong Fujian, CN 13 3
Zhang, Rongyu Fujian, CN 8 7
Zhou, Shunxing Fujian, CN 1 0

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