The utility model discloses a
propeller transmission device and ship toy, including shell, driving device, transmission device and
propeller device, transmission device includes driving gear, driven gear, transmission rod,
crown gear and cylindrical gear, driving device and driving
gear transmission connection, driven gear and driving gear mesh, transmission rod and
crown gear transmission rod mesh with cylindrical gear. The upper end of the transmission rod is arranged in the middle of the driven gear and rotates along with the driven gear, the crown-shaped gear sleeves the lower end of the transmission rod and rotates along with the transmission rod, and the cylindrical gear is meshed with the crown-shaped gear and is in transmission connection with the
propeller device; the driving device rotates through the driving gear and the driven gear, so that the transmission rod, the crown-shaped gear and the cylindrical gear are driven to rotate, and then the propeller device is driven to rotate. The propeller of the ship toy can be accurately controlled to rotate in the preset direction, machinery is simplified, installation is convenient, cost is reduced, efficiency is improved, and practicability is high.