Air inlet mechanical structure for air tightness inspection tester

The air inlet mechanical structure comprises an air tightness inspection tester body, one side of the air tightness inspection tester body is provided with an air inlet pipe communicated with the interior of the air tightness inspection tester body, and the top and the bottom of the side, close to the air inlet pipe, of the air tightness inspection tester body are each provided with a dismounting assembly. A rectangular mounting plate is arranged on one side, far away from the airtightness inspection tester main body, of the air inlet pipe; according to the utility model, through mutual cooperation of the air inlet pipe, the arc-shaped clamping plate, the connecting rod, the annular connecting groove, the L-shaped sleeve plate, the rectangular mounting plate, the mounting sleeve groove, the internal threaded block, the threaded rod, the sliding rod, the through groove and the hinge rod, the air inlet mechanical structure of the air tightness inspection tester can connect and fix inspection products with diffe