Ventilator and ventilator maintenance system

The utility model relates to the technical field of ventilation equipment, and provides a ventilator and a ventilator maintenance system. The ventilator comprises a first-stage fan, a second-stage fan and a driving device, one of the first-stage fan and the second-stage fan is connected with the fixed end of the driving device, the other one of the first-stage fan and the second-stage fan is connected with the driving end of the driving device, and the driving device is used for driving the second-stage fan to be close to or away from the first-stage fan. According to the ventilator provided by the utility model, the ventilator can be easily and quickly separated and assembled, so that the labor is saved, and the maintenance time is shortened. 本实用新型涉及通风设备技术领域，提供一种通风机和通风机检修系统。所述通风机包括一级风机、二级风机和驱动装置，所述一级风机和所述二级风机中的一者与所述驱动装置的固定端连接，另一者与所述驱动装置的驱动端连接，所述驱动装置用于驱动所述二级风机靠近或远离所述一级风机。本实用新型提供的通风机可轻松快速实现通风机的分体和组装，节省人力，缩短检修时间。