Packaging device of three-way catalyst

The utility model relates to the technical field of three-way catalytic converter packaging, in particular to a three-way catalytic converter packaging device which comprises a bottom plate and a protruding plate, the inner wall of the protruding plate is connected with a fixing structure, the left side and the right side of the top of the bottom plate are respectively connected with a packaging structure, and the left side and the right side of the top of the bottom plate are respectively and fixedly connected with a support. A double-end stud is driven to rotate through a matched handle in the fixing structure, the rotating double-end stud drives a sleeve plate to move towards the inner side, the moving sleeve plate drives a clamping plate to move towards the inner side, the clamping plate abuts against and fixes the three-way catalytic converter, fixing of the three-way catalytic converters of multiple specifications is met, and the using limitation of the packaging device for the catalytic converter is el