High-flow high-sealing hidden valve

The utility model relates to the technical field of hidden valve devices, in particular to a large-flow high-sealing hidden valve which comprises a shell, a valve element and a valve body, the valve element comprises a sealing ring groove, the sealing ring groove is formed in the bottom of the valve element, a first sealing ring is connected to the sealing ring groove in a sleeved mode, the first sealing ring is located between the sealing ring groove and the valve body, and a second sealing ring is arranged between the sealing ring groove and the valve body. The valve body comprises a sealing ring check ring, and the sealing ring check ring and the first sealing ring are arranged in a matched mode. The sealing ring groove is formed in the bottom of the valve element, and the first sealing ring is additionally arranged, so that the risk of water leakage caused by untight combination of the valve element and the valve body due to material shrinkage can be reduced; the sealing ring check ring is arranged on the