DUAL-PURPOSE FOLDING TROLLEY

A dual-purpose folding trolley, comprising a handle (1). The lower end of either side of the handle (1) is inserted with a lower connecting sleeve (4), and the lower connecting sleeve (4) is mounted at a bent part of the lower end of the handle (1); a locking pipe (6) is inserted onto the inner side of the lower connecting sleeve (4); the locking pipe (6) is further sleeved with two switches (2); a locking rod (3) is arranged inside the locking pipe (6); the locking rod (3) is sleeved with a first spring (5); the outer side of the lower connecting sleeve (4) is connected to a fixed connecting block (10); the fixed connecting block (10) is rotatably connected to a movable caster (9) by means of a short connecting pipe (7); the short connecting pipe (7) is further sleeved with a first torsional spring (11); an upper transverse pipe (8) is arranged at the lower end of the handle (1) and on the lower side of the locking pipe (6); the middle of the upper transverse pipe (8) is sleeved with an upper transverse pipe