| 摘要 |
The present invention relates to a tone wheel structure for a vehicle. According to an embodiment of the present invention, the tone wheel structure for a vehicle to be mounted on the drive shaft of an axle assembly comprises a plurality of protrusion parts on one side of the tone wheel; a through-hole through a protrusion part in the rotation direction of the tone wheel; and an inlet hole connected to the through-hole on the other side of the tone wheel. By this, the present invention improves the durability of a bearing and significantly reduces noise by actively discharging moisture and foreign substances flowing into the bearing of the axle assembly. |
