Connecting sleeve of telescopic rail

The utility model belongs to the field of connecting rails, and discloses a connecting sleeve of a telescopic rail, which comprises a hollow sleeve body, the lower portion of the sleeve body is composed of two oppositely-arranged supporting tables, and an opening matched with the distance between rails of an externally-arranged mother rail is formed between the two supporting tables. The side face, close to the opening, of the supporting table is provided with a guide arc face protruding outwards. Even if an external mother rail deforms, the connecting sleeve provided by the utility model canprevent the curtain from being stuck in the pulling process. 本实用新型属于连接轨领域，公开了一种伸缩轨的连接套，包括中空的套体；所述的套体的下部由相对设置的两个支撑台组成，所述的两个支撑台之间设有与外设的母轨的轨道之间的间距相适应的开口；所述的支撑台靠近开口的侧面设有向外凸出的导向弧面。即使在外设的母轨出现变形的情况下，本实用新型连接套也不会让窗帘拉扯的过程中有卡顿的情况发生。