Liquid filling valve

The utility model discloses a liquid filling valve, its characterized in that: it includes valve body, case, reset spring, spring holder, a location section of thick bamboo and flange, the fixed upper portion that sets up at the valve body of a location section of thick bamboo, the case be the type of falling Y structure, in case longitudinal sliding motion sets up in the inner chamber of valve body and stretches out a location section of thick bamboo, still be provided with on the valve body with communicating oil inlet of inner chamber and oil -out, still be provided with communicating control oil pocket on the inside of valve body and the outer wall of a location section of thick bamboo, corresponding to the control oil pocket, be provided with control port on the valve body, the reset spring of case of can reseing passes through that the spring holder is fixed to be set up in the section of thick bamboo of location, flange detachable installs the upper portion at the valve body.