Condensing pressure controller for refrigeration house

The utility model relates to the technical field of pressure controllers, and discloses a condensation pressure controller for a refrigeration house, connecting devices are equidistantly installed at the joint of a pressure controller main body and a fixing plate, each connecting device comprises a sliding block, a steel ball is installed inside each sliding block, one side of each steel ball abuts against a clamping block, one side of each sliding block is fixedly connected to the surface of the fixing plate, and the other side of each sliding block is fixedly connected to the fixing plate. A sliding rod is fixedly connected to the center of the side face of the clamping block, a spring is fixedly connected to the side face of the sliding rod, the pressure controller body can be fixed by installing the connecting device, due to the arrangement of the sliding block, the left surface of the pressure controller body can be slidably connected to the surface of the fixing plate, dismounting and mounting are conve