Balancing mechanism on ophthalmic surgical instrument

The utility model discloses a balance mechanism on an ophthalmic surgical instrument, which is arranged at one end of a base and is characterized by comprising an eccentric wheel, an eccentric wheel bearing seat and a spring seat structure, one side of the eccentric wheel is connected with the spring seat structure through the eccentric wheel bearing seat, and the other side of the eccentric wheel is connected with the base through a connecting shaft; the spring seat structure comprises a spring and a spring upper baffle supported by the spring, and the eccentric wheel bearing seat is arranged on the spring upper baffle. The device has the advantages that the load of the first power element can be uniformized, the inertia force generated by the first driving unit during acceleration and deceleration rotation movement can be buffered, and the device can be controlled more accurately. 本实用新型公开了一种眼科手术器械上的平衡机构，一种眼科手术器械上的平衡机构，设置在底座一端，其特征在于，包括偏心轮、偏心轮轴承座和弹簧座结构：偏心轮一侧通过偏心轮轴承座与弹簧座结构相连，另一侧通过连接轴与底座连接；所述弹簧座结构包括弹簧以及被弹簧支撑的弹簧