Automobile control arm bushing

The utility model discloses an automobile control arm bushing which comprises an outer framework, an inner framework and a rubber framework arranged between the outer framework and the inner framework. Wherein the rubber framework is provided with long buffer holes which are symmetrically formed in the radial direction, the long buffer holes are formed in the two sides of the inner framework respectively, the long buffer holes axially penetrate through the rubber framework, and stress relief grooves are formed in the two ends of each long buffer hole. The automobile control arm bushing provided by the utility model is uniform in stress, high in stability and reliability, and capable of prolonging the fatigue life and avoiding fatigue cracking by enhancing the local strength of the structure. 本实用新型公开了一种汽车控制臂衬套包括外骨架、内骨架和设置在外骨架和内骨架之间的橡胶骨架，在所述橡胶骨架上设置有沿径向对称设置的缓冲长孔，所述缓冲长孔分别设置在内骨架的两侧，所述缓冲长孔轴向贯通橡胶骨架，在所述缓冲长孔两端设置有泄应力沟槽。本实用新型提供的一种汽车控制臂衬套，受力均匀，稳定性和可靠性高，并通过结构的局部强度增强，增强疲劳寿命，避免疲劳开裂。