Shell structure for driving recorder

A shell structure for a driving recorder comprises a main shell body and a joint plate, wherein the main shell body is provided with a curving flange wall, and an open end is formed on the curving flange wall, and the main shell body is further provided with an extending part which is provided with a square hole. A locking piece extending in the square hole in a protruding mode is arranged on the extending part beside the square hole. The locking piece is provided with a circle hole. The joint plate is arranged on the open end of the main shell body. The joint plate comprises a first connecting plate, a second connecting plate and a junction plate, wherein a penetrating hole is arranged on the second connecting plate. A convex lug with a screw hole is arranged on the inner wall of the penetrating hole. A locking screw bolt penetrates through the circle hole on the locking piece of the main shell body and fixedly screwed with the screw hole of the convex lug,so the connecting plate and the main shell body are