Quick-release type plug-in assembly and transmission auxiliary box air distribution system

The utility model relates to the field of transmissions, and particularly discloses a quick-release type insertion assembly and a transmission auxiliary box air distribution system. The quick-release type inserting assembly comprises an inserting head, a threaded sleeve and a socket base, the inserting head comprises a sealing section and a locking section, and the locking section is provided with a clamping groove; an external thread is arranged on the screw sleeve; a socket hole is formed in the socket base, internal threads are arranged on the hole wall of the socket hole, and a gasket is arranged at the bottom of the socket hole; in the connection state, the threaded sleeve is arranged outside the connecting plug in a sleeving mode, the locking section partially or completely extends out of the threaded sleeve, and a clamping spring is arranged in a clamping groove of the locking section. A sealing ring is arranged between the sealing section of the connecting plug and the threaded sleeve; the inserting h