Hard seal structure of valve

The utility model relates to a hard seal structure of valve belongs to fluid controlling element technical field. The utility model discloses a hard seal structure of valve, including valve body, case, valve, valve seat, retaining ring, spring, be provided with the cavity in the valve body, the case is the piston form and slide the setting in the cavity, case one side is equipped with the spool chamber. Its characterized in that the valve with the case is the flexonics, the valve for the case can have the swing of certain displacement. The utility model discloses passing through the flexonicswith valve and case, under the fluidic effect, can making valve axis and valve seat dead in line, the valve makes valve and valve seat can remain original sealed effect throughout at the long term operation in -process, and it has advantages such as resistant high -pressure fluid impact, long service life, resistant ambient temperature, stable performance, simple structure. 本实用新型涉及种活门硬密封结构，属于流体控制元件技术领域。本实用新型公开了种活门硬密封结构，包括