Antitheft handle structure

Abstract

The invention relates to an antitheft door lock structure, and provides an antitheft handle structure capable of enhancing the anti-theft function while rapid opening is ensured. According to the technical scheme, the antitheft handle structure is provided with a button, a button reset spring, a button fixing sleeve, a handle body, a separation and reunion sheet and a separation and reunion rod; the handle body is provided with a button containing cavity and a separation and reunion rod containing cavity, the button is arranged in the button containing cavity, and the separation and reunion rod is arranged in the separation and reunion rod containing cavity; a separation and reunion clamping groove, a counter lock long rib and an idling short rib are arranged at the upper end of the separation and reunion rod, a separation and reunion sheet sliding groove is formed in the button containing cavity, and transmission blocks are arranged on the two sides of the separation and reunion sheetto be clamped with the separation and reunion clamping groove and the separation and reunion sheet sliding groove; the separation and reunion sheet and the transmission rod are separated through theseparation and reunion reset spring, the handle body idles, and the antitheft function is achieved; and the button is pressed so that the separation and reunion sheet and the transmission rod can be clamped, meanwhile, the transmission rod and the handle body can synchronously rotate, door opening is achieved, and the antitheft door lock structure is simple, convenient and easy to use, and reliable in antitheft 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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