INDEPENDENT VIBRATION-SENSITIVE DOOR LOCK DEVICE

PROBLEM TO BE SOLVED: To provide a door lock device preventing doors of various kinds of cupboards such as sideboards from being opened at violent vibration such as an earthquake, which senses vibration and locks instantaneously the door and which can be easily attached to existing various kinds of cupboards and independently brings out the function. SOLUTION: This device is provided with a body space 13 formed by a body container 15, a battery space formed by a battery case cover 18, a battery 34 contained in the battery space to be exchangeable at the consumed time, a vibration-sensitive device 17 preset to be sensible at least at vibration of 120 gal, a shaft 27 locking the door in cooperation with a solenoid in the locking structure, and an electronic circuit board 44 adjusting the electric input/output of the battery, the vibration-sensitive means, and the locking means.