Structure for assembling draw bar of draw-bar case

A structure for assembling a draw bar of a draw-bar case, the structure comprises a case body and a drawbar mechanism, the drawbar mechanism comprises a draw bar, an upper fixing assembly, and a lower fixing assembly;

• the draw bar comprises a handle, two movable rods are connected to both ends of the handle, and two guiding sleeves sleeved on the movable rods respectively;
• the upper fixing assembly comprises an external fixing plate and a first internal fixing plate;
• a surface of the case body is provided with an accommodating groove that matches the external fixing plate, the external fixing plate is disposed on the accommodating groove, both sides of the external fixing plate are penetrated to form a guiding hole that matches the guiding sleeve, both sides of the accommodating groove are penetrated to form a through hole that is disposed corresponding to the guiding hole, a bottom end of the guiding sleeve extends to an interior of the case body through the through hole and the guiding hole, the first internal fixing plate is disposed in the case body and snapped fit to the external fixing plate through a wall surface of the accommodating groove;
• the lower fixing assembly comprises a second internal fixing plate disposed in the case body and a plurality of external fixing strips disposed on an exterior of the case body, both sides of the second internal fixing plate are each provided with a positioning hole that is disposed corresponding to the guiding sleeve, the positioning hole is inserted by the bottom end of the guiding sleeve, and each external fixing strip is snapped fit to the second internal fixing plate through a wall surface of the case body.