Dust catcher for agricultural seeder

The utility model relates to a dust catcher for agricultural seeder, the shaft hole periphery is provided with the ring groove coaxial with the shaft hole bottom the dust catcher bottom end cover, andthe dustproof cap is still fixed to the lower extreme in the pivot, the dustproof cap top be equipped with with ring groove complex bulge loop, the motor during operation, the dustproof cap rotates with the impeller is synchronous, owing to be equipped with the cooperation of bulge loop and ring groove between dustproof cap and the bottom end cover, make the dust get into the inside change of motor because of the difficulty, the centrifugal force that produces when cooperating the dustproof cap rotatory simultaneously, the dust that the fraction got into is thrown away in the effect of centrifugal force, the dust that significantly reduces enters into inside the motor, thereby the life of extension motor. 本实用新型涉及种农业播种机用吸尘器，在吸尘器下端盖底部轴孔外围设置有与轴孔同轴的环状凹槽，并且在转轴的下端还固定防尘帽，防尘帽顶部设有与环状凹槽配合的凸环，电机工作时，防尘帽与叶轮同步转动，由于防尘帽与下端盖之间设有凸