Limiting interior door safety lock

Abstract

The invention discloses a limiting interior door safety lock. A ringing device is arranged at one side adjacent to an installation soleplate, a driving shaft and a locking shaft are installed in a driving shaft sleeve and a locking shaft sleeve which are intersected with each other, threads on the locking shaft are engaged with a gear disc on the driving shaft, a presser leg on the lower top end of the locking shaft stretches out of the bottom of an outer shell, a drive rod is inserted in an open slot of the outer shell to be connected with the driving shaft, the locking shaft is driven to stretch in the vertical direction by the swinging of the drive rod, when the drive rod is shifted downwards, a locking part which is connected with the drive rod is tightly connected with a locking column in a buckling manner, the presser leg on the lower top end of the locking shaft tightly pushes against the floor, a door body is locked, an interior door outer lock is prevented from being opened, and a door opening prompting function and an antitheft effect can be realized. After a free end of the drive rod is transferred upwards, a magnetic connecting part of the drive rod is matched with a door stopper seat in a suction manner, a door stopper function is realized, so that the door body can be fixed.

Description

technical field [0001] The invention relates to an anti-lock device for a room door, in particular to a space-limiting safety lock for an inner door. Background technique [0002] The commonly used room door locks include mechanical locks and electronic locks. Electronic locks are generally used in hotel room doors. At present, in the implementation of interior door locks in private houses, anti-lock devices are not provided substantially, and outsiders easily enter the room. However, there is no anti-lock device with better safety performance that is suitable for the use of private house interior doors. For hotels where the environment is relatively complicated, some hotels do not have an inner door anti-lock device, and it is difficult to guarantee the safety of guests’ belongings in the room. Durable, and there is no alarm prompt, and the insurance effect is not very satisfactory. Contents of the invention [0003] The purpose of the present invention is to address ...

AI Technical Summary

Problems solved by technology

At present, in the implementation of internal door locks in residential houses, there is basically no anti-locking device, and outsiders can easily enter the room. However, there is currently no anti-locking device with better safety performance that is suitable for the use of internal doors in residential houses.

For hotels where the environment is relatively complicated, some hotels do not have an inner door anti-lock device, and it is difficult to guarantee the safety of guests’ belongings in the room. Durable, and there is no alarm prompt, the insurance effect is not very satisfactory

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