Square bar unlocking structure of automatic lock body

Abstract

The invention discloses a square bar unlocking structure of an automatic lock body. The square bar unlocking structure comprises a lock body housing, a baffle component, a latch bolt, a dead bolt, a square bar seat component and a driving arm; the baffle component can be used for preventing the latch bolt from slidably entering the lock body housing; the driving arm can rotates to pull a square bar to extend out of the lock body housing and return into the lock body housing; the square bar seat component comprises a square bar seat and a square bar seat pull plate; the square bar seat and thesquare bar seat pull plate can be correspondingly rotationally installed inside the lock body housing and are correspondingly coaxially connected with lever handles positioned at the front and rear sides of the lock body housing; the square bar seat inside the lock body housing is provided with a first pull component and a second pull component; the square bar seat pull plate is provided with a third pull component and a fourth pull component; the first pull component and the third pull component can both be used for pulling the driving arm to rotate; and the second pull component and the fourth pull component can both be used for pulling the baffle component to move. When the square bar unlocking structure disclosed by the invention is used for unlocking a door, the door can be unlocked by a user by just rotating the lever handles no matter the user is inside the door or outside the door; two-step operation is not needed; and the square bar unlocking structure is convenient to use andsaves time and efforts.

Description

technical field [0001] The invention relates to a door lock, in particular to a square bar unlocking structure of an automatic lock body. Background technique [0002] The electronic door lock realizes the safe locking of the door lock through the square tongue of the oblique tongue. The door lock is located on the front side and the rear side of the door lock housing. Tongue and square tongue, that is, turning the handle can unlock the lock body and open the door, while the handle located on the front side of the lock body shell on the outside of the door can only open the oblique tongue when it is turned, but cannot open the square tongue. After unlocking, the door can be opened by turning the handle outside the door. This kind of structure needs two steps of operation to unlock and open the door when opening the door outside the door, which is inconvenient to use. Contents of the invention [0003] In order to overcome the above defects, the present invention provides ...

AI Technical Summary

Problems solved by technology

[0002] The electronic door lock realizes the safe locking of the door lock through the square tongue of the oblique tongue. The door lock is located on the front side and the rear side of the door lock housing. Tongue and square tongue, that is, turning the handle can unlock the lock body and open the door, while the handle located on the front side of the lock body shell on the outside of the door can only open the oblique tongue when it is turned, but cannot open the square tongue. After unlocking, the door can be opened by turning the handle outside the door. This structure requires two steps to unlock and open the door when opening the door outside the door, which is inconvenient to use

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