Automobile crane sprocket in right time

一种汽车曲轴正时链轮

Abstract

本实用新型公开了一种汽车曲轴正时链轮,包括由粉末冶金工艺一体制成的轴套部和齿体部,轴套部的中心具有用于安装曲轴的轴通孔;齿体部呈环形套设于轴套部的外部;在齿体部的外周制有沿轴中心对称分布的轮齿,齿体部在相邻的轮齿之间制有圆弧形的齿根槽。该汽车曲轴正时链轮可通过粉末冶金工艺大规模低成本生产,具有结构紧凑,强度高,可靠性好,成本低的优点,适用于汽车发动机的曲轴动力输出。
The utility model discloses an automobile crane sprocket in right time, include the axle sleeve portion and the denticle portion of being made by powder metallurgy technology an organic whole, the center of axle sleeve portion has the axle through -hole that is used for installing the bent axle, denticle portion is the outside that axle sleeve portion was located to the annular cover, periphery system in denticle portion has along the teeth of a cogwheel of shaft center symmetric distribution, and denticle portion system between the adjacent teeth of a cogwheel has convex tooth root groove. The extensive low cost production of the automobile crane sprocket in right time accessible powder metallurgy technology has compact structure, and intensity is high, the good reliability, and advantage with low costs is applicable to automobile engine's bent axle power take off.

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