| 摘要 |
The present invention discloses a drill bit assembly with reduction of a pressure loss occurring during moving of a compressed fluid. As the present invention comprises; a check valve (2) to prevent counterflow of a compressed fluid supplied through a top serve (1) mounted on an upper end of one side of a case (13); a distributor (120) mounted inside the case (13) so as to support the check valve (2); and a guide (110) mounted on an upper end of the distributor to form a compression space supplying the compressed fluid and provided with a supply route (111) pierced so as to guide the supplied compressed fluid to a flow path (102) formed between the case (13) and an inside slave (12), a guide unit (130) reduced to have the inside diameter gradually forming a streamlined shape toward the supply route (111) is provided in at least one upper end of upper ends of the guide (110) and the distributor (120). |
