An alarm device for a bicycle includes a locking block and an alarm assembly connected with the locking block. The alarm assembly includes a base, a mounting seat, an alarm unit, a top cover, and a bottom cover. The alarm unit includes a circuit board, at least one sensor, at least one buzzer, a control switch button, at least one storage battery, an indication lamp, and at least one socket hole. When the alarm unit is started, the alarm unit detects vibration or shaking of the locking block or the alarm assembly due to an external force and transmits an alarm signal so as to achieve a burglar-proof effect.
Vibration alarm device for a bicycle
2015-10-20
Patent
Electronic Resource
English