Automatic landing leg of commuting case

The utility model provides an automatic landing leg of commuting case, install including outer tube, one end interior sleeve pipe in the outer tube and with interior sleeve pipe other end fixed connection and with the perpendicular telescopic leg who sets up of interior sleeve pipe, interior sleeve pipe with be equipped with a telescopic machanism between the outer tube, telescopic leg with be equipped with actuating mechanism between the interior sleeve pipe. The utility model discloses simple structure uses reliable and stablely, and convenient control has been solved the manual work of commuting case landing leg and is removed the problem of wasting time and energy of lifting through setting up the leg structure that can stretch out and draw back automatically, has improved work efficiency, has reduced unexpected emergence possibility, is favorable to using widely of commuting case. 本实用新型提供了种交换箱的自动支腿，包括外套管、端安装在所述外套管内的内套管及与所述内套管另端固定连接且与所述内套管垂直设置的伸缩支腿，所述内套管与所述外套管之间设有第伸缩机构，所述伸缩支腿与所述内套管之间设有驱动机构。本实用新型结构简单，使用稳定可