Air tightness detection equipment for automobile parts

The invention belongs to the technical field of detection equipment, and particularly discloses automobile part airtightness detection equipment, which comprises a box body, a sealing mechanism is arranged in the box body, the sealing mechanism comprises an upper fixing plate and a lower fixing plate which are arranged in the box body, and a connecting mechanism is arranged between the upper fixing plate and the lower fixing plate. A cleaning mechanism is arranged in the box body, the cleaning mechanism comprises a cleaning space arranged in the box body, a cleaning disc is arranged in the cleaning space, an external expansion mechanism is arranged in the cleaning disc, and the external expansion mechanism comprises a driving disc rotationally connected to the interior of the cleaning disc; the device can be switched between a detection mode and a cleaning mode through the connecting mechanism, the device can be cleaned after each time of detection, dust or scraps left in previous detection are prevented from