Puzzle lock for safe

The utility model discloses a puzzle lock for safe which comprises a key, a lock and a puzzle lock fixing sleeve, wherein, a lock barrel can rotate for 360 DEG after a lock case position pin of the lock capable is canceled; the outside of the lock is provided with a puzzle lock indicating device; the lock barrel of the lock is provided with a connecting pin of which the rear part is provided with a puzzle lock rotary table; a spring is arranged between the connecting pin and the puzzle lock rotary table; the connecting pin is connected with a rotary shaft which is provided with an opening; the key is provided with an indicating line; the puzzle lock indicating device is provided with scales. The opening of the puzzle lock needs to rotate the key to drive the blade of the common puzzle lock to find the code, the lock can be one of locks capable of rotating 360 DEG such as common locks, cross eccentric locks, primary and secondary cylinder locks, quincuncial locks, etc. The rotary table of the puzzle lock can have either three or fourrotary tables. Compared with the prior art, the utility model has the advantages of higher concealed property, high safety and reliability, and simple design.