Crank pulley of index dial takes a message

The utility model discloses a crank pulley of index dial takes a message, which comprises a body, the outside left side of body is equipped with race and signal disc, the signal disc is located the right side of race, the outside of signal disc is equipped with signaling gear, the left side of body is equipped with first recess, the inside right side of first recess is connected with the second recess, the inside right side intercommunication of second recess has the channel, the inside right side of channel is equipped with the spacing groove, the inboard top of channel is equipped with the third recess, the outside right side of body is equipped with sealed district, this crank pulley is through directly casting the signal disc on crank pulley for crank pulley simple structure, the outward appearance is compact, the good reliability, the location is more accurate between sensor and bent axle signal disc, can promote in diesel engine product of the same kind. 本实用新型公开了种带信号盘的曲轴皮带轮，包括本体，所述本体的外部左侧设有皮带槽和信号盘，所述信号盘