Door lock opening mechanism for security door

Abstract

The invention discloses a door lock opening mechanism for a security door. The door lock opening mechanism comprises a door lock surface plate, a box body, a sliding plate and a driving unit, whereinthe sliding plate is arranged on one side, which deviates from the door lock surface plate, of the box body; the driving unit is arranged in an assembling cavity; and the driving unit comprises a bearing pedestal, a rotary shaft, a first bevel gear, a second bevel gear, a third bevel gear, a fourth bevel gear, a first connecting rod, a rocker arm, a first idler wheel, a wedge block, a second connecting rod, a second idler wheel, a first supporting plate, a second supporting plate, a third supporting plate, a fourth supporting plate, a pull rod, a first spring, a second spring and a locking disk. Compared with the prior art, the door lock opening mechanism is provided with the novel door lock opening mechanism, and the sliding plate slides to realize a locking and unlocking function of a lock body. A way, which is adopted by the door lock opening mechanism disclosed by the invention, of driving a square head to rotate is different from the prior art and is a novel unlocking mode, and aproduct line can be enriched. In the prior art, lawbreakers pull down a lever handle through a peephole, and the unlocking mode of the invention also has a function of preventing the lawbreakers fromopening the door from the peephole.

Description

technical field [0001] The invention relates to the technical field of anti-theft doors, in particular to a door lock opening mechanism for an anti-theft door. Background technique [0002] At present, the side of the anti-theft door close to the room is usually opened by installing a handle. The anti-theft door on the market is usually equipped with a peephole, and some criminals will use the peephole to pull down the handle and open the anti-theft door. poses a threat to personal safety and has potential safety hazards. Contents of the invention [0003] The object of the present invention is to provide a door lock opening mechanism for an anti-theft door to solve the technical problems in the prior art. [0004] The invention provides a door lock opening mechanism for an anti-theft door, comprising: [0005] A door lock panel, the door lock panel is installed on the anti-theft door, and a lock body is installed on the side of the door lock panel close to the anti-thef...

AI Technical Summary

Problems solved by technology

[0002] At present, the side of the anti-theft door close to the room is usually opened by installing a handle. The anti-theft door on the market is usually equipped with a peephole, and some criminals will use the peephole to pull down the handle and open the anti-theft door. poses a threat to the personal safety of the

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