Push-pull door/window

A sliding door or window, comprising:

• a door/window frame;
• two swing supporting mechanisms, each arranged on a lower end of a respective side of the door/window frame;
• and two guiding structures, each mounted on an upper end of the respective side of the door/window frame;
• wherein each swing supporting mechanism is provide with a first curved groove and each guiding structure is provided with a pair of second curved grooves, and a drive shaft operative to slide along an orientation of the first curved groove is arranged within the first curved groove;
• wherein a handle disposed on the door/window frame is operative to drive the drive shaft to slide in the first curved groove, which forces at least one of the swing supporting mechanism or the guiding structure to swing;
• wherein the swing supporting mechanism comprises:
• a base, configured to be fixedly connected to a door or window;
• and a pendulum member, having a lower end hinged on the base;
• wherein the first curved groove is provided on an upper end of the pendulum member, the drive shaft is arranged through the first curved groove and is slidable within the first curved groove, the drive shaft is connected to a sliding block which has an upper end drivingly connected to the handle of the door or window and which is operative to drive the drive shaft to slide in the first curved groove thereby forcing the pendulum member to swing around an axis of an articulated shaft, and a lower end of the pendulum member is connected to a roller configured to be mounted on a guide rail on a lower side of the door or window;
• the guiding structure comprises a right-angled connection casing configured to be mounted on the door or window, a fixed base configured to be mounted on the door or window, a swing piece, a linkage piece, a first connection assembly, a second connection assembly, and at least one transmission belt;
• the fixed base is provided with a first cavity body, one end of the swing piece is provided with a guide wheel configured to be mounted on the door or window and to be engaged with a guide rail on an upper side of the door/window frame, and the other end of the swing piece extends into the first cavity body of the fixed base and is hinged in the first cavity body;
• the second curved grooves are provided on the other end of the swing piece that extends into the first cavity body;
• a limit shaft movable along the second curved grooves are disposed within the second curved grooves;
• the linkage piece is connected to the limit shaft and is operative to move along the second curved grooves together with the limit shaft, and the moving process forces the swing piece to swing around the axis of the articulated shaft;
• and an end of the linkage piece facing away from the limit shaft is fixedly connected to the first connection assembly;
• the right-angled connection casing is provided with a second cavity body;
• the transmission belt extends through the second cavity body of the right-angled connection casing, and two ends of the transmission belt are connected to the first connection assembly and the second connection assembly respectively thereby achieving a linkage of the transmission belt, the first connection assembly and the second connection assembly;
• and
• the two swing supporting mechanisms and the two guiding structures form a linkage structure with an opening at a lower end via a connection member.