| 摘要 |
<p>Disclosed is a running wheel comprising a vehicle body. The vehicle body comprises a circuit board and a housing provided with a limiting member for limiting the circuit board. The circuit board is fixed onto the housing via a screw. Because the limiting member is provided on the housing of the vehicle body of the running wheel to limit the circuit board on the vehicle body, the present invention limits the circuit board on the housing and, subsequently, has the circuit board fixed onto the housing via the screw. Limiting with the limiting member facilitates fixing with the screw, while the screw allows for firm fixing.</p> |
