Multifunctional airtightness detection apparatus

The utility model discloses a multifunctional airtightness detection apparatus, comprising an air inputting pipe connected with an air inlet of a device to be detected, and an air exhausting pipe connected with an air outlet of the device to be detected, wherein the air inputting pipe is orderly provided with a pressure regulating valve, an air intake valve and an air intake pressure gauge along the direction of air flow, the air exhausting pipe is connected with the air exhausting valve and an air exhausting pressure gauge in series, and the outlet end of the air intake pipe, used for connecting with the device to be detected and the inlet end of the air exhausting pipe, used for connecting with the device to be detected are respectively provided with a pipe joint. The multifunctional airtightness detection apparatus can be used for detecting pipe equipment and also detecting container equipment, is simple in structure, convenient in use and wide in application range, thereby overcoming the defect that the prior detection apparatus can only be used for detecting the airtightness of the container equipment.