Safe door lock

• Main Author: HONGYAO CHEN
• Format: Patent
• Language: Chinese; English
• Published: 02.06.2004
• Edition: 7
• Subjects: ACCESSORIES THEREFOR; BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS; FIXED CONSTRUCTIONS; HANDCUFFS; KEYS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS

The safe buckle lock for door includes frame, lock and buckle. The frame includes one long rectangular frame seat with one opened end and one opposite closed end; one fixed seat set inside the frame seat; one movable seat set inside the fixed seat; one upper lock board set inside the frame seat and with pin penetrating the slot in the fixed seat and upwards inclined slot in the movable seat; one lower lock board with pin; one seat fitting to the frame seat and fixed to the door board. The lock set in the frame seat includes one interlink board with one rod connected to the movable seat. The buckle has one extending pin with one head and is fixed to door frame. The present invention makes it possible for some outdoor person to unlock the door via key extending into room in case that the door can not be opened by the indoor person. 一种安全门扣锁，包括锁框体、锁具、扣钮；锁框体还包括一框座，是在一长矩形框体的一端设为开口端，与该开口端相对的另一端则为封闭端；一固定座，设在的框座内；一活动座，是设在固定座内；一上锁板，其具有凸柱，上锁板是设在框座内，凸柱穿过固定座的槽孔与活动座的上斜槽孔；一下锁板，其具有凸柱，上锁板是设在框座内，凸柱穿过固定座的槽孔与活动座的下斜槽孔；一座体，是轴接于框座，座体可与框座相对旋转配合，该座体固定于门板；锁具，是设在框座，该锁具设有一连动板，连动板具有一梢杆，梢杆是与活动座连接；扣钮，是延伸有一柱杆，柱杆的端部设有一头部，扣钮固定于门框。本发明可在室内的人发生意外而无法开启门板时，室外的人可将钥匙伸入室内解锁。