Safety lock mechanism

The utility model discloses a safety lock mechanism is applied to financial safety device field, including lock core subassembly, rocker subassembly, sliding block set spare and the upper plate bracket component that has the spring bolt, sliding block set spare is including the hasp, be provided with the cooperation on the upper plate bracket component but hasp and the locking post of straining on the hasp, be provided with the spout on the sliding block set spare just the spout is worn to have put and is used for prescribing a limit to sliding block set spare is at the press in nut of spout internalization post, still be connected with on the sliding block set spare and be used for drawing the auto -lock extension spring that sets up lock core subassembly one end to sliding block set spare with sliding block set spare. This kind of safety lock mechanism has advantages such as simple structure, low in production cost, security height, convenient to use.