US 12,111,668 B2
Water flow rate automatic control module
Yanqing Wang, Tangshan (CN); Cuijie Wang, Tangshan (CN); and Zichun Song, Tangshan (CN)
Assigned to HUIDA SANITARY WARE CO., LTD., Tangshan (CN)
Appl. No. 17/790,531
Filed by HUIDA SANITARY WARE CO., LTD., Tangshan (CN)
PCT Filed Dec. 25, 2020, PCT No. PCT/CN2020/139533
§ 371(c)(1), (2) Date Jul. 1, 2022,
PCT Pub. No. WO2021/143492, PCT Pub. Date Jul. 22, 2021.
Claims priority of application No. 202010045963.9 (CN), filed on Jan. 16, 2020.
Prior Publication US 2023/0035684 A1, Feb. 2, 2023
Int. Cl. G05D 23/02 (2006.01); F16K 11/04 (2006.01); F16K 31/00 (2006.01); G05D 23/13 (2006.01)
CPC G05D 23/022 (2013.01) [F16K 11/04 (2013.01); F16K 31/002 (2013.01); G05D 23/1333 (2013.01)] 2 Claims
OG exemplary drawing
 
1. A water flow rate automatic control module, comprising a base, a valve body, a thermosensitive assembly and a diaphragm;
wherein the base is hermetically connected with a first end arranged at a bottom of the valve body, a cold water cavity is enclosed between the base and the valve body, and a side wall of the valve body is provided with a cold water passing hole communicated with the cold water cavity; a second end arranged at a top of the valve body is hermetically connected with an end cover, a warm water cavity is enclosed between the end cover and the valve body, and a supporting tube coaxially and fixedly connected with the valve body is arranged in the warm water cavity; and the side wall is between the two ends of the valve and is also provided with a warm water inlet hole and a warm water outlet hole, the warm water outlet hole is located above the cold water passing hole, the warm water outlet hole is located below the warm water inlet hole, a side water passage communicated with the warm water inlet hole and the warm water outlet hole is arranged between an inner wall of the valve body and the supporting tube;
the thermosensitive assembly is detachably and hermetically connected with the valve body; the thermosensitive assembly comprises a temperature sensing part and a moving rod inserted into the temperature sensing part, the temperature sensing part is arranged in the cold water cavity, and a free end of the moving rod is fixedly connected with a diaphragm support; the diaphragm support is arranged in the warm water cavity and is arranged above the supporting tube, a buckle cover is detachably connected to the diaphragm support, and the diaphragm is arranged between the diaphragm support and the buckle cover; and a return spring enabling the diaphragm to be in contact with a top of the supporting tube is arranged between the buckle cover and the end cover.