US 12,146,599 B2
Vacuum breaker valve
Chung-Yi Huang, Liaocuo Li (TW)
Filed by Chung-Yi Huang, Liaocuo Li (TW)
Filed on Apr. 18, 2023, as Appl. No. 18/302,077.
Prior Publication US 2024/0353045 A1, Oct. 24, 2024
Int. Cl. F16K 15/14 (2006.01); E03B 7/10 (2006.01); F16K 15/02 (2006.01); F16K 27/02 (2006.01); F16L 55/07 (2006.01); E03B 7/12 (2006.01)
CPC F16L 55/07 (2013.01) [E03B 7/10 (2013.01); F16K 15/026 (2013.01); F16K 15/141 (2013.01); F16K 15/144 (2013.01); F16K 27/0209 (2013.01); E03B 7/12 (2013.01); F16K 2200/204 (2021.08); Y10T 137/2557 (2015.04); Y10T 137/3294 (2015.04); Y10T 137/3331 (2015.04)] 4 Claims
OG exemplary drawing
 
1. A vacuum breaker valve comprising:
a valve body; and
a vacuum breaking device mounted in the valve body;
wherein:
the valve body has a periphery provided with multiple air vent holes corresponding to the vacuum breaking device;
the vacuum breaking device includes a mounting barrel, an elastic member, a braking member, a mounting plate, a water stop gasket, and a water inlet disk;
the mounting barrel is a hollow cylinder;
the mounting barrel has an interior having a bottom face provided with a stepped rim;
the mounting barrel has a lower end provided with a first flange;
the mounting barrel has a bottom face provided with a first shaft hole;
the braking member has a bottom face provided with multiple positioning portions equally spaced from each other;
the bottom face of the braking member has a center provided with a shaft;
the elastic member is a compression spring;
the elastic member has a lower end pressing the stepped rim;
the elastic member has an upper end pressing the positioning portions;
the mounting plate has an interior having a bottom face provided with a second shaft hole and an inner stepped edge;
the interior of the mounting plate has an upper end provided with a stop edge;
the mounting plate has a periphery provided with multiple air inlet holes equally spaced from each other;
the multiple air inlet holes align with the multiple air vent holes of the valve body;
an ambient air is introduced through the multiple air vent holes into the multiple air inlet holes;
the mounting plate has a bottom face provided with a positioning groove allowing insertion of the mounting barrel;
the water stop gasket elastically presses a surface of the braking member;
the water stop gasket is positioned by the stop edge of the mounting plate;
the water stop gasket is made of resilient material;
the water stop gasket has a center provided with a first water inlet hole;
the water stop gasket has a top provided with a combination face;
the combination face is provided with a positioning convex portion;
the water stop gasket has a periphery provided with a second flange abutting the stop edge of the mounting plate;
the water inlet disk has a periphery provided with multiple second water inlet holes equally spaced from each other;
the water inlet disk is provided with a lip corresponding to an inner periphery of the water stop gasket; and
the water inlet disk has a bottom face provided with a positioning concave portion positioned on the positioning convex portion of the water stop gasket.