Folding chair device

A folding chair device, comprising a seat support assembly, a backrest assembly, a leg rest assembly, a backrest driving device, a connecting rod assembly and a leg rest driving device, wherein a bottom of the backrest assembly is pivotally connected with the seat support assembly, the backrest driving device is configured between the seat support assembly and the backrest assembly, the backrest driving device is pivotally connected with the backrest assembly, and the backrest driving device is driven to pivot relative to the seat support assembly under a driving motion of the backrest driving device thereby adjusting an inclination angle of the backrest assembly;

• the leg rest assembly is pivotally connected with the seat support assembly, the leg rest driving device is mounted on the seat support assembly, and the connecting rod assembly is connected with a driving end of the leg rest driving device and pivotally connected with the leg rest assembly, and the connecting rod assembly is driven to actuate the leg rest assembly to pivot relative to the seat support assembly under a driving motion of the leg rest driving device thereby adjusting an inclination angle of the leg rest assembly;
• wherein the connecting rod assembly comprises a driving crossbar and a first connecting rod, the driving crossbar is pivotally connected with the driving end of the leg rest driving device, one end of the first connecting rod is pivotally connected with the driving crossbar, the other end of the first connecting rod is pivotally connected with the leg rest assembly, and the driving crossbar moves relative to the seat support assembly under a driving motion of the leg rest driving device and causes the first connecting rod to drive the leg rest assembly to swing.