Scooter engine with balance shaft
A technology for balance shafts and scooters, applied to engine components, machines/engines, mechanical equipment, etc., can solve problems such as low reliability, affecting driving comfort, and large engine vibration, so as to increase reliability and service life, reduce The range of small oil splash, the effect of reducing vibration and noise
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[0020] The present invention will be further described below in conjunction with the embodiments and the drawings.
[0021] Such as figure 1 with Figure 4 As shown, a scooter engine with a balance shaft includes a crankcase 1 surrounded by a left crankcase 10 and a right crankcase 11, and a transmission structure installation box integrally formed with the left crankcase 10 is provided on one side thereof 7.
[0022] See figure 1 with figure 2 , A crankshaft 2 and a balance shaft 3 are rotatably installed in the crankcase 1, a balance shaft driving gear 21 is sleeved on the crankshaft 2, and a balance shaft driven gear 31 is sleeved on the balance shaft 3. The shaft driven gear 31 meshes with the balance shaft driving gear 21, and a bearing 5 is sleeved on both the crankshaft 2 and the balance shaft 3, and a fastening nut 6 is installed at the end of the balance shaft 3 passing through the right crankcase 11. An organic oil pump 4 is installed in the crankcase 1 and an oil pump...
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