Reduction gearbox and box body of reduction gearbox

Abstract

The present disclosure relates to a reduction gearbox, comprising: a box body (2″); and an oil return port (4″), the oil return port (4″) being on a bottom wall of the box body (2″) and being configured to discharge lubricating oil inside the box body (2″), wherein the oil return port (4″) comprises an oil baffle plate (5″), an oil return through hole (6″), and a cambered transition portion (7″), wherein the oil baffle plate (5″) and the cambered transition portion (7″) are on two opposite sides of the oil return through the oil return port (6″) and the oil baffle plate (5″) protrudes inward from the bottom wall of the box body (2″) toward inside of the box body (2″). The lubricating oil can be discharged smoothly, thereby improving the overall functionality of the reduction gearbox.

Dependencies are inferred from the claim text.