The invention provides a chain guide device for a rear derailleur and the rear derailleur. The chain guide device for the rear derailleur is used for guiding a chain of a bicycle and comprises a retainer and a chain wheel, and the chain wheel is combined to the retainer through a bearing system in a mode of rotating around a first axis. The bearing system comprises a plurality of bearing units arranged at intervals, and the bearing units are configured to rotate around a second axis deviating from the first axis; wherein the plurality of bearing units are arranged at intervals in the circumferential direction of the chain wheel, and each bearing unit is in rolling contact with at least one of the chain wheel and the retainer so as to form a plurality of contact point positions which are distributed at intervals in the circumferential direction of the chain wheel; the plurality of contact points support the sprocket for rotation about the first axis relative to the cage. According to the guide chain device provided by the invention, model selection and assembly of parts are facilitated, and the guide chain device has better durability.
本发明提供一种后拨链器用导链装置及后拨链器。所述后拨链器用导链装置,用于引导自行车的链条,其包括保持架和链轮,所述链轮藉由一轴承系统以围绕第一轴线可转动的方式结合至所述保持架上;所述轴承系统包括:间隔布置的多个轴承单元,所述轴承单元配置成能够围绕偏离于所述第一轴线的第二轴线自转;其中,所述多个轴承单元沿所述链轮的周向上间隔排布,且每一所述轴承单元与所述链轮和所述保持架中的至少其一滚动接触,以形成沿所述链轮的周向上间隔分布的多个接触点位,所述多个接触点位支撑所述链轮相对于所述保持架围绕所述第一轴线旋转。本发明提供的导链装置,便于零部件的选型和装配,且具有更佳的耐用性。
Chain guide device for rear derailleur and rear derailleur
后拨链器用导链装置及后拨链器
2024-06-11
Patent
Electronic Resource
Chinese
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |