Locking device for ripping fences of light-duty cargo compartment

The utility model discloses a light cargo compartment breast board locking device which comprises a front breast board, a rear breast board, a plug pin, a lock box, a lock ring, a double-ring lock rope and a fixing device, the cross section of the lock box is of a U-shaped structure, two lock tongues are arranged on the outer side of the bottom of the lock box, and lock tongue through holes are formed in the lock tongues; a through hole is formed in the limiting end of the upper portion of the bolt, and the lock ring penetrates into the through hole. The front breast board and the rear breast board are provided with a front breast board long round hole and a rear breast board long round hole respectively, the lock box passes through the front breast board long round hole and the rear breast board long round hole, the fixing device is fixedly connected with the lock box, and the bolt penetrates through the spring bolt through hole from top to bottom for limiting and fixing. The device is simple in structure, c