Refrigerating cabinet lock

The utility model relates to the technical field of locks, in particular to a refrigerating cabinet lock with long service life for the refrigerator door, which comprises a locking cam, a lock cylinder arranged in the locking cam, and a spring bolt, wherein the spring bolt is fixedly connected with the end of the lock cylinder with a flat hook structure, the inner wall of the locking cam is provided with a limit slot, the inner side of the lock cylinder is axially provided with a round steel nail and a spring connected with the end of the round steel nail, one side on the outer wall of the lock cylinder is provided with a slit, the round steel nail is connected with a bolt passing through the slit on the lock cylinder, the bolt corresponds to the limit slot on the locking cam, the position on the inner wall of the locking cam and the outer wall of the lock cylinder, which is close to the end of the spring bolt, is correspondingly provided with an annular groove, and the annular groove is internally provided w