Bendable device and folding display device

A bendable device comprises a first hinge unit (1) and at least one second hinge unit (2), the first hinge unit (1) is provided with a rotating shaft (5) and a first ejector rod (71), the second hinge unit (2) comprises a body and a connecting rod (72), and the second hinge unit (2) is rotationally connected to one side of the first hinge unit (1) around the rotating shaft (5); the first end (711) of the first ejector rod (71) is rotationally connected to the rotating shaft (5), the second end (712) extends towards the second hinge unit (2) and is rotationally connected to the first end (721) of the connecting rod (72), and when the first hinge unit (1) and the second hinge unit (2) are relatively completely unfolded, the connecting rod (72) abuts against an unfolding limiting face (2e) of the second hinge unit (2). The bendable device is high in reliability. 一种可弯折装置，包括第一铰接单元(1)、至少一个第二铰接单元(2)，第一铰接单元(1)设有转轴(5)和第一顶杆(71)，第二铰接单元(2)上包括本体、连杆(72)，第二铰接单元(2)绕转轴(5)转动连接于第一铰接单元(1)的一侧；第一顶杆(71)的第一端(711)转动连接于转轴(5)上，第二端(712)