Patent ID: 7466563

Claim:
A fixing structure of a circuit board for fixing the circuit board in a case, the fixing structure comprising: a first limiting portion, a first fixing portion and a post of a first attaching portion retained in the case; and a second limiting portion, a second fixing portion and a second attaching portion formed on the circuit board, wherein the second limiting portion and the second fixing portion are respectively located corresponding to the first limiting portion and the first fixing portion for preventing the circuit board and the case from moving to all directions, and the second attaching portion can be attached to the first attaching portion to fix positions of the circuit board and the case, wherein the first fixing portion is a fixing groove formed on one side of the case, and the second fixing portion is a hook slip provided on the same side of the circuit board, and a narrow segment is formed on one side of the fixing groove, and the thickness of the hook slip is designed according to the narrow segment.