US Patent 9587753 Air valve connecting device having automatic gripping structure

An air valve connecting device includes a housing, a sliding member slidably engaged in the housing and having a pathway selectively aligning with a passage of the housing, and the sliding member includes a mouth for engaging with an inflation valve, a gasket is attached to the sliding member and includes a bore for engaging with the inflation valve, and a number of pawls are engaged with the gasket and each include a lower portion extendible out of the housing for engaging with the peripheral rib of the housing, and the peripheral rib of the housing is engaged with the lower portions of the pawls for forcing the pawls to force the gasket to grasp the inflation valve to the sliding member.