Lock head for oil tank cover

The utility model discloses a lock head for an oil tank cover, which is convenient to use and can be detached moveably. The lock head for the oil tank cover comprises a lock core, a lock core base and a limiting base, wherein the lock core is arranged inside the lock core base; one end of the lock core without a lock hole is fixedly connected with an inserted pin device; the limiting base is matched with the inserted pin device; the inserted pin device comprises at least two inserted pins and an inserted pin base for fixing the inserted pins; a small hook is arranged at one end of each inserted pin; small holes of which the number corresponds to the number of the inserted pins are formed in the inserted pin base; and the small hooks of the inserted pins are hooked inside the small holes. The lock head for the oil tank cover has the advantages that the lock head for the oil tank cover is simple in structure; the oil tank cover is convenient to open and lock, can be moveably detached and is difficult to be priz