Evaporator plate shell buckle

The utility model discloses an evaporator plate shell buckle which is used in cooperation with a screw. The evaporator plate shell buckle comprises an outer barrel with the front end closed and the rear end open, an inner barrel with the rear end open is arranged in the outer barrel, the inner barrel and the outer barrel are arranged coaxially, a screw hole is formed in the front end of the inner barrel, two square convex blocks are oppositely arranged at the positions, at the two sides of the screw hole, of the front end face of the outer barrel, a square inserting block is formed by the two square convex blocks, the distance between the two square convex blocks is smaller than the diameter of the screw, an inserting groove allowing the square inserting block to be inserted is formed in the position, corresponding to the screw, in an evaporator, and two opposite faces of the two square convex blocks extend from the screw hole in the axis direction of the outer barrel to form arc-shaped guide grooves for guiding the screw. The evaporator plate shell buckle is used in cooperation with the screw, and the fixing strength of an evaporator plate shell can be improved.