Mechanical transmission drainage device

The utility model discloses a mechanical transmission drainage device, which belongs to the technical field of bathroom equipment and comprises a transmission switch, the transmission switch is connected with a transmission springback device, the transmission springback device is connected with a switch switching transmission device through a transmission stay wire I, and the switch switching transmission device is connected with a drainage valve through a transmission stay wire II. The device has a set of transmission stroke matched with the drainage valve, after the device is kicked by a foot, the transmission pull wire can be driven by the gear and the rack to perform transmission, the drainage valve is opened to discharge water, when a certain amount of water is discharged and the drainage valve has no buoyancy, the balance spring has a rebound effect on the transmission pull wire, the drainage valve is closed in the rebound process, and the drainage valve is closed. Opening and closing of the drainage va