Movable safety door lock

Abstract

The invention discloses a movable safety door lock. The movable safety door lock consists of a locking device and a locking fastener, wherein the lower end of a supporting plate of the locking fastener is a buckle part which is bent in a right angle shape, an elongated tenon protruding out of the back surface of the supporting plate is connected with a tongue-and-groove in one side of the locking device in a sliding manner, two ends of a swinging arm of the locking device are connected with a brake rod and the supporting plate of the lock fastener, the brake rod is connected with a small ratchet wheel which is coaxially integrated with a large ratchet wheel, an unlocking shaft axially penetrates through a shell to be buckled with the large ratchet wheel, a ringing bell is arranged in an alarming cavity below a baffle plate, and a lock pin of the locking device is obliquely arranged below the shell. The movable safety door lock does not need to be fixedly installed on a door body, the door body is inverted to be locked, a door opening warning effect and an antitheft effect can be realized, and the movable safety door lock can be carried along to be used when in travel.

Description

technical field [0001] The invention relates to an anti-lock device for a room door, in particular to a mobile safety door lock. 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 object of the present invention is to address the existing deficienc...

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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