Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses a safety door lock bolt device which is safer to use. The safety door lock bolt device comprises a fixing plate, wherein the two ends of the fixing plate are provided with fixing bolt holes; the fixing plate is fixed on a door plank in the room, an entrance hole and a sliding chute connected with the entrance hole are arranged on the fixing plate; a square connecting column matched with the sliding chute is arranged in the sliding chute; a square slider is connected to the square connecting column; the square connecting column is connected with a connecting piece through a stainless steel chain; connecting holes are formed in the connecting piece; the connecting piece is fixed on a door frame in the room through a bolt; a lock cylinder and a handle matched with the lock cylinder are arranged on the fixing plate; the lower end of the sliding chute is connected with a positioning groove; and a transparent plastic protecting cover is arranged at the outer side of the stainless steel chain. The safety door lock bolt device has the advantages of providing double insurance for the door and being safe to use; and the door has almost no possibility of being externally opened by a person outside the door.
The invention discloses a safety door lock bolt device which is safer to use. The safety door lock bolt device comprises a fixing plate, wherein the two ends of the fixing plate are provided with fixing bolt holes; the fixing plate is fixed on a door plank in the room, an entrance hole and a sliding chute connected with the entrance hole are arranged on the fixing plate; a square connecting column matched with the sliding chute is arranged in the sliding chute; a square slider is connected to the square connecting column; the square connecting column is connected with a connecting piece through a stainless steel chain; connecting holes are formed in the connecting piece; the connecting piece is fixed on a door frame in the room through a bolt; a lock cylinder and a handle matched with the lock cylinder are arranged on the fixing plate; the lower end of the sliding chute is connected with a positioning groove; and a transparent plastic protecting cover is arranged at the outer side of the stainless steel chain. The safety door lock bolt device has the advantages of providing double insurance for the door and being safe to use; and the door has almost no possibility of being externally opened by a person outside the door.
Safety door lock bolt device
WEI JIANLONG (Autor:in)
30.09.2015
Patent
Elektronische Ressource
Englisch
IPC:
E05C
Riegel oder Feststellvorrichtungen für Flügel, insbesondere für Türen oder Fenster
,
BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS