While-drilling bit balling flushing assistor

The utility model relates to a while-drilling drill bit balling flushing assistor which comprises an upper connector and a lower connector, the lower portion of the upper connector is telescopically sleeved with the lower connector, the upper end of the upper connector is connected with a drill column through a screw thread, and the lower end of the lower connector is connected with a drill bit through a screw thread. The upper joint is provided with a central pipeline along the axis, the central pipeline is respectively communicated with a central hole of the drilling tool and an inner hole of the drill bit, and the side wall of the central pipeline is provided with a shunting hole; a replaceable gland is installed at the lower end of the lower connector, the number of nozzles can be installed on the gland, the number of the nozzles is the same as that of the chip grooves of the drill bit, the drill bit is cleaned from the outside when the diversion hole of the upper connector is communicated with the draina