Heating automatic energy-saving valve for public building

The utility model relates to the technical field of heating control equipment for public buildings in northern heating places in China, in particular to a heating automatic energy-saving valve for a public building. The heating automatic energy-saving valve for the public building comprises a motor, a speed reduction device and a ball valve, and is characterized in that: a valve core indicator is arranged on a ball valve body; the valve core indicator is connected with a ball valve core through a valve rod; a power transmission shaft of the speed reduction device is connected with the valve rod through a valve rod connection sleeve; and a gear switch is arranged above the valve core indicator. The utility model has the advantages that: the heating automatic energy-saving valve is a mechanical and electrical integration novel product which has an ingenious design of the conventional ball valve and is connected with an automatic control system and a temperature control system; five gears are designed; and a pro