A POLYFUNCTIONAL COMBINATION DEVICE FOR REBAR

摘要

A re-bar joint unit according to the present invention comprises a single accepting body into which a re-bar is partially accepted and seated using an accepting groove on one part of the inner circumference for accepting the node protrusions of the re-bar and which has a hole at the center; a single engaging body which is inclined in the longitudinal direction, which comes in contact with the outer surface of the re-bar and the inner circumference of the accepting body by being inserted and hit into the other part of the inner circumference of the accepting body, and which has an escape preventive protrusion for preventing the escape of the re-bar by pressing the outer surface of the re-bar towards the accepting groove for engaging the re-bar with the accepting body; and a functional component for accepting the re-bar, the accepting body, and the engaging body inside at the same time and for allowing the re-bar fixed to a fixing object by maintaining pressure to the fixing object when being screwed to the outer side of the accepting body.