Novel personnel door locking structure for special vehicle

The invention discloses a novel personnel door locking structure for a special vehicle. The novel personnel door locking structure comprises a lock body, a lock cylinder, a shaft sleeve, a fixing sleeve, steel balls, a first spring, a handle assembly and an O-shaped sealing ring; one end of the lock cylinder is sequentially connected with the lock body, the shaft sleeve and the fixing sleeve in asleeved mode, and the other end of the lock cylinder is connected with the first spring in a sleeved mode and connected with the handle assembly; and the steel balls and the O-shaped sealing ring arearranged between the shaft sleeve and the lock body. A mechanical structure is adopted, when the vehicle is locked internally and externally, locking can be achieved inside the vehicle, the problem ofpersonnel door lock failures is solved, and the safety, airtightness and reliability of the personnel door lock structure for the special vehicle are improved. 本发明公开了一种新型特种车辆载员门锁紧结构，包括锁体、锁芯、轴套、固定套、钢球、第一弹簧、手柄总成、O型密封圈，所述锁芯一端依次套接