Foldable portable car of crossbeam

The utility model discloses carry inconvenient not enoughly to the portable bicycle of prior art or electric motor car, provide a small and portable's foldable portable car of crossbeam, including frame, crossbeam and support frame, the front end of crossbeam rotates with the front end of frame to be connected, is provided with the slide on the crossbeam, and the slide can slide on the crossbeam, and the slide rotates with the upper end of support frame to be connected, and the lower extreme of support frame rotates with the frame to be connected, and the slide passes through slide locking device and crossbeam fixed connection, adopts the utility model discloses the foldable portable car of crossbeam of structure provides the support to the crossbeam by the support frame, and human weight is by crossbeam and support frame share, has reduced the atress of each connecting axle, and each parts is not fragile, safe and reliable, and simultaneously, owing to be to rotate between crossbeam and support frame and frame and be connected, so whole crossbeam has certain elasticity, and the messenger takes advantage of a personnel to feel more comfortable.