Data communication screen cabinet convenient to combine and install

The utility model belongs to the technical field of data communication cabinets, and particularly relates to a data communication screen cabinet convenient to combine and install. The device is characterized by comprising a first mounting frame, a second mounting frame, a third mounting frame, a first limiting rod, a second limiting rod, a first fixing plate, a mounting frame, a first bolt, a first nut, a second fixing plate, a second bolt, a second nut, a hinge and a baffle. Through cooperation of a first limiting rod and a first limiting groove and cooperation of a second limiting rod and a second limiting groove, assembling of a first mounting frame, a second mounting frame and a third mounting frame is facilitated, through cooperation of a first bolt and a first nut and cooperation of a second bolt and a second nut, fixing of the mounting frame is facilitated, and through a hinge, mounting of a baffle is facilitated. And through cooperation of a third bolt and a third nut, a connecting plate is convenient