CONNECTING ROD STRUCTURE, FOOTBOARD DEVICE, AND VEHICLE

Disclosed are a connecting rod structure, a footboard device, and a vehicle including same. A first connecting rod includes a first end pivotally connected with a second seat through a first pivot shaft, and a second end hinged with a first end of a second connecting rod; a spring includes a first end pivotally connected with the second seat through a second pivot shaft, and a second end pivotally connected with the first connecting rod or the second connecting rod through a third pivot shaft; a distance between an axis of the first pivot shaft and an axis of the third pivot shaft is a first distance, and a distance between the axis of the first pivot shaft and an axis of the second pivot shaft is a second distance; and a sum of the first distance and a free length of the spring is greater than the second distance.