Safety door bolt

• Main Authors: LI QIGAO, YOU WAN, JIA ZHIHAO, ZENG GUOBING
• Format: Patent
• Language: Chinese; English
• Published: 25.01.2022
• Subjects: BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS; FIXED CONSTRUCTIONS; KEYS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS

The safety door bolt comprises a panel (1), the panel (1) is fixed to a door, and the panel (1) is provided with two bolt sleeves (2) on the same straight line; the inserting buckle (6) is a rectangular frame fixed on the other door leaf; the plug (3) comprises a lock head (4) and a straight pipe, the lock head (4) is used for being inserted into the plug buckle (6), the straight pipe is inserted into the two plug sleeves (2), a push rod (5) is fixed to the portion, between the two plug sleeves (2), of the straight pipe, the lock head (4) is perpendicular to the straight pipe, and the distance between the two plug sleeves (2) is larger than the distance between the plug buckle (6) and the closest plug sleeve (2). When the safety door is closed, the push rod (5) is pulled upwards, the lock head (4) is pushed upwards and leftwards, the lock head (4) is inserted into the inserting buckle (6), the push rod (5) is pulled downwards, the lock head (4) is hooked on the inserting buckle (6) downwards, the lock head (4