NEW-TYPE TUBING COUPLING JOINT

The utility model discloses a tubing coupling joint and relates to a joint for a perfusion tube. The tubing coupling joint comprises a joint body 20. Both ends of the joint body are provided with a splicing sleeve body which is composed of an inner ring cylinder and an outer ring cylinder 21, 22. The inner ring cylinder 21 is a conical cylinder. The top edge of the outer ring cylinder 22 forms a multi-claw shape. The heel is provided with an outer screw thread and is sheathed with a rotating cover 40. A locating ring sleeve 80 which is composed of an upper ring sleeve 81 and a lower ring 82 is arranged between the inner ring cylinder and the outer ring cylinder 21, 22. The rubber liquid blocking sleeve 30 of dividing adhesive layers 31, 32 is arranged in the upper ring sleeve 81. The outer adhesive layer 32 is abutted against the inner side of the outer ring cylinder 22The inner adhesive layer 31 is abutted against the outer side of the inner ring cylinder 21. When the tubing coupling joint is used, a pipe 60 is directly inserted in the liquid blocking sleeve of the splicing sleeve body by hand, the rotating cover 40 is screwed, and the installation which can lead the interface of a perfusion tube to be sealed and to be leakproof is completed.