Anti-overflow device of centralized paint supply pipeline

The utility model provides an anti-overflow device of a centralized paint supply pipeline. The anti-overflow device comprises a paint bucket; the supply pipeline is installed on the wall of the production workshop building in the vertical direction; a water pumping opening of the water pump is connected with a pumping pipe, a water outlet of the water pump is connected with a conveying pipe, the pumping pipe stretches into the paint bucket, the conveying pipe is connected with the supply pipeline, and the end, away from the conveying pipe, of the supply pipeline stretches into the production workshop building; and the valve is mounted on the supply pipeline and is closer to the conveying pipeline. According to the utility model, the valve is arranged on the supply pipeline, so that an operator can manually close the water pump and the valve to prevent the paint in the supply pipeline from overflowing out of the ground due to backflow to bring inconvenience in sanitary cleaning for production. 本实用新型提供的集中供漆管道的防