Planetary reducer convenient to lubricate

The utility model relates to the technical field of planetary reducers, and discloses a planetary reducer convenient to lubricate, which comprises a reducer shell, a rotating shaft and a reduction gear are assembled in the reducer shell, a threaded opening is arranged on the reducer shell, a lubricating component is arranged in the reducer shell, and the lubricating component is connected with the rotating shaft. The speed reducer shell is further provided with a driving assembly used in cooperation with the lubricating assembly. When the lubricating device is used and the lubricating block is in contact with the reduction gear, under the action of the pressurizing spring, the lubricating block can automatically press the reduction gear, it is ensured that effective lubrication is established immediately when the speed reducer is started, a worker can easily lubricate the speed reducer by rotating the handle, the whole shell of the speed reducer does not need to be disassembled, and the working efficiency is