| 摘要 |
<p>The present invention relates to a steering shaft locking device for a bicycle, and more particularly, to a steering shaft locking device for a bicycle, in which the steering shaft locking device is arranged within a frame to prevent the steering shaft locking device from protruding, thus achieving aesthetic enhancement, and which prevents the bicycle from being used even when the bicycle is stolen, thus preventing theft of the bicycle. The steering shaft locking device for a bicycle according to the present invention comprises a key cylinder which rotates by means of a key; a key cylinder housing which is equipped with the key cylinder, and which is fixed to an object; a cam which is arranged over the outer surface of the key cylinder housing such that the cam does not contact the outer surface of the key cylinder housing, and which shares a rotary shaft with the key cylinder such that the cam pushes a locking pin in accordance with the rotation of the key; the locking pin which is arranged at one side of the cam toward an insertion hole formed at one side of the steering shaft of the bicycle, and which has a spring arranged on the outer surface thereof, such that the locking pin is inserted into the insertion hole by the pushing force of the cam; and a '?'-shaped elastic guide and support member for elastically supporting the spring, wherein the elastic guide and support member is mounted on one side of the key cylinder housing, and has a guide hole formed at the surface thereof facing the locking pin, such that the locking pin is inserted into the guide hole.</p> |
