Locking structure and vacuum cleaning machine

The utility model relates to the technical field of door lock mechanisms, in particular to a locking structure and a vacuum cleaning machine, the locking structure comprises a door lock seat and a locking assembly, an elastic piece is arranged in the door lock seat, and the elastic piece is connected with the locking assembly; the locking assembly comprises a lock catch, a spring bolt and a connecting rod fixed to the spring bolt, the connecting rod is arranged on the door lock base in a sliding mode, and a two-stage boss used for being matched with the lock catch is arranged on the spring bolt. The utility model can solve the problems that the operation is strenuous and the sealing performance is difficult to guarantee during the manual locking in the prior art. 本实用新型涉及门锁机构技术领域，具体为一种锁紧结构及真空清洗机，包括门锁座和锁紧组件，门锁座内设置有弹性件，弹性件与锁紧组件连接；锁紧组件包括锁扣、锁舌以及与锁舌固定的连接杆，连接杆滑动地设置在门锁座上，锁舌上设置有用于与锁扣配合的两级凸台；本实用新型可以解决现有手动锁紧时，操作费力且难以保证密封性的问题。