Protective shell of automobile monitoring device

The protective shell of the automobile monitoring device comprises a protective shell body, a left movable door and a right movable door, the protective shell body comprises a front plate, an upper plate and a lower plate, a rectangular through hole is formed in the center of the front plate and is sealed through transparent materials, the upper plate and the lower plate are connected with the upper end and the lower end of the front plate respectively, and grooves are formed in the rear walls of the upper plate and the lower plate respectively. The left movable door comprises a connecting plate and a fixing plate, a hinge is arranged at the front end of the connecting plate, one end of the hinge is connected with the front plate, the other end of the hinge is connected with the connectingplate, the left wall of the fixing plate is connected with the rear end of the right wall of the connecting plate, and protruding blocks are arranged at the upper end and the lower end of the front wall of the fixing plate.