1results about How to "Prevent sudden fall" patented technology

The utility model discloses bottle valve airtightness testing machine belongs to gas cylinder bottle valve airtightness test technical field, including box and water tank assembly, water tank assembly is located the inside of box, the right side of box top is provided with right side cover door, both sides of right side cover door rear side all are provided with hinge, both sides of right side cover door rear side all are through the hinge with the movable joint of box, the bottom of right side cover door is provided with auxiliary support structure, the inside of box is provided with the pressurizing mechanism for water tank assembly pressurization, through setting up box, water tank assembly, right side cover door, hinge, auxiliary support structure and pressurizing mechanism, have solved the existing gas cylinder bottle valve testing machine only to valve carries out 1.2 nominal pressure under the external airtightness test, does not carry out 0.05MPa's low pressure external airtightness test, gas cylinder bottle valve testing machine does not carry out internal airtightness test to valve and the problem that gas cylinder bottle valve testing machine does not have gas source pressurizing device and leads to external gas source test pressure deficiency.