Assembled three-camera linkage camera

The invention relates to the technical field of cameras, and particularly discloses an assembled three-camera linkage camera which comprises a base, a mounting base and a camera unit, the base comprises a bottom plate and a shell, a groove is formed in one side face of the bottom plate, a top plate is connected to one end face of the shell, and the end, away from the top plate, of the shell is inserted into the groove; the number of the mounting seats is three, and the three mounting seats are all mounted in the shell and are evenly distributed around the shell by a circle. The number of the camera units is three, the three camera units are detachably installed in the three installation bases respectively, and the three camera units face respective monitoring areas respectively. The bottom plate is fixedly connected to a wall top. The three camera units are assembled in the base, the positions of the three camera units are adjusted in advance to cover 360 degrees, then the base is installed on the wall, three