A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
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.
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.
Movable safety door lock
HU HAIMING (author)
2015-05-27
Patent
Electronic Resource
English
IPC:
E05C
Riegel oder Feststellvorrichtungen für Flügel, insbesondere für Türen oder Fenster
,
BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS