Side sliding door of railway vehicle

A side sliding door of a railway vehicle, comprising a door body and a driving device for an opening and closing of a doorway, wherein, an outer surface of the door body is flush with an outer surface of a vehicle body when the door body is closed, a movement track of the door body is an arc-plus-linear reciprocating motion,

• the driving device comprises an air cylinder assembly and a slideway assembly,
• the slideway assembly comprises an upper guide rail, an upper pulley sliding on the upper guide rail, a lower guide rail, and a lower pulley sliding on the lower guide rail,
• the door body is connected to the upper pulley and the lower pulley, the air cylinder assembly drives the upper pulley and the lower pulley to slide;
• an upper door leaf carrier and a lower door leaf carrier are fixed and arranged in the door body, the upper door leaf carrier and the lower door leaf carrier extend towards an inner side, the upper pulley is fixed with the upper door leaf carrier, and the lower pulley is fixed with the lower door leaf carrier, and
• the air cylinder assembly comprises a driving air cylinder arranged at a top of the door body, a driving rod of the driving air cylinder is fixed with the upper door leaf carrier, the driving air cylinder has a certain degree of lateral freedom to realize a sliding plug movement.