The application relates to an automatic valve
air tightness test device, which comprises a test
pool, a lifting frame is slidably connected to the top of the test
pool, a horizontal pressing plate is slidably connected to the side wall of the lifting frame, an abutting plate is arranged on the side wall of the lifting frame, a horizontal pressing driving element is arranged on the side wall of the lifting frame and used for driving the horizontal pressing plate to move close to or away from the abutting plate, a gas injection hole is arranged on the top side of the horizontal pressing plate, a gas injection
assembly is arranged on the side wall of the horizontal pressing plate, the gas injection hole is in communication with the gas injection
assembly, and a lifting driving element is arranged on the top of the test
pool and used for driving the lifting frame to move into or away from the test pool. The application has the effect of improving valve detection efficiency.