Safe-guard door lock handle structure

Abstract

The invention relates to a safe-guard door lock structure and provides a safe-guard door lock handle structure which has an enhanced anti-burglary function while ensuring quick unlocking. The technical scheme is that the safe-guard door lock handle structure is provided with a button, a button return spring, a handle body, a button rivet piece, a clutch buffering spring, a clutch, a reversing bolt, a handle head, a positioning block, a transmission rod return spring, a clutch return spring and a transmission rod, wherein the handle body is provided with a button accommodating chamber, a clutch accommodating chamber and a handle head accommodating chamber; the button is arranged in the button accommodating chamber; the clutch is arranged in the clutch accommodating chamber; the handle head is arranged in the handle head accommodating chamber; and the transmission rod penetrates a handle head hole. The clutch return spring separates the clutch from the transmission rod, and the handle body is idle to perform the anti-burglary function; the button is pressed to enable the clutch and the transmission rod to be fastened, and meanwhile, the transmission rod and the handle body rotate synchronously to realize door opening; and the safe-guard door lock handle structure is simple and convenient and is easy to use and reliable in anti-burglary performance.

Description

technical field [0001] The invention relates to the structure of an anti-theft door lock, in particular to a handle anti-theft structure of the door lock. technical background [0002] At present, the most commonly used mechanical anti-theft door lock is to turn the key outside the door to bring out the dead bolt (anti-theft bolt), and the person inside the door must also use the key to turn and retract the dead bolt to open the door if he wants to go out. Such a door lock It cannot be realized to open quickly in an emergency. In order to ensure rapid opening and safe escape in emergency situations, anti-theft locks with escape function are basically used on home anti-theft doors, especially electronic anti-theft locks, which can realize quick locking and quick opening. Quick lock means that the resident lifts the outer handle upwards outside the door after going out, so that the dead tongue of the lock body can be extended to lock, and it is not necessary to turn the key c...

AI Technical Summary

Problems solved by technology

This method has two disadvantages: one is that it is inconvenient to use, and the user has to do two actions to open the door, first pressing the button and then turning the handle, which is more troublesome than the traditional way of opening the door; the other is that there is a greater potential safety hazard. Opening the door and going out depends on the circuit to control the clutch action, and once a fire occurs or other reasons cause a circuit failure, it will cause people to be unable to open the door and go out from the house, which is likely to cause serious safety accidents. This is a very serious design flaw.

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