Air volume control assembly, washing and sweeping device and environmental sanitation vehicle

The invention discloses an air volume control assembly, a cleaning and sweeping device and a sanitation vehicle, the air volume control assembly comprises a suction tube, a baffle, a rotating shaft and a control handle, the suction tube is hollow, the baffle, the rotating shaft and the control handle are fixedly connected, the rotating shaft is rotatably arranged on the suction tube, and the rotating axis of the rotating shaft is perpendicular to the length direction of the suction tube; the baffle is arranged in the suction cylinder and can rotate with the rotating shaft as the axis so that the baffle can block the inner section of the suction cylinder, the control handle is arranged on the outer side of the suction cylinder, and the baffle rotates in the suction cylinder by rotating the control handle so that the air volume in the suction cylinder can be adjusted. 本发明公开了一种风量控制组件、洗扫装置和环卫车辆，风量控制组件包括：吸筒、挡板、转轴和控制手柄，吸筒的内部中空，挡板、转轴和控制手柄三者固定连接，转轴可转动的设于吸筒，且转轴的旋转轴线和吸筒的长度方向垂直，挡板设于吸筒的内部，挡板能够以转轴为轴进行旋转，以使挡板对吸筒的内部截面进行封堵，控