| 摘要 |
<p>Disclosed is a bike braking device (10) having an alarm, which comprises a brake block (20), an alarm (22) arranged at the brake block (20), an electricity supply element (24) electrically connected to the alarm (22), and two conductors (26) arranged within the brake block(20), wherein the conductors (26) are electrically connected to the alarm (22) and the electricity supply element (24) with one end of them being exposed at the surface of the brake block (20), so that, when the brake block (20) is controlled by a brake block calliper (30) and forces the conductors (26) to touch a wheel rim (32) or a braking plate (62) with the exposed ends thereof, an internal circuit of the brake block (20) is activated,so that the alarm (22) can produce an alarm signal to achieve the effect of an alarm.</p> |
