Quick-opening sight glass and pressure container

The utility model discloses a quick-opening sight glass and a pressure vessel, and belongs to the technical field of pressure vessels, the quick-opening sight glass comprises a sight glass gland and sight glass glass, the bottom side of the sight glass gland is provided with a placing groove, and the sight glass glass is installed in the placing groove; a plurality of grooves are formed in the peripheral wall of the placement groove, and hook heads are fixedly mounted in the grooves; a boss is arranged on the side, close to the myopia glass, of the bottom of the hook head and extends to the bottom face of the myopia glass, and the top face of the boss is tightly pressed on the bottom face of the myopia glass. The pressure container comprises a quick-opening sight glass, and the quick-opening sight glass is arranged on a container body. According to the utility model, the problem that the sight glass cannot be fixed due to the failure of the clamping effect can be effectively solved, and the fixing stability o