Foldable wheel carrier

The utility model discloses foldable wheel carrier, which comprises a frame. Two ends of the frame are respectively in pin joint with a wheel support through a pin, a wheel is mounted on the wheel support, and a wheel shaft is perpendicular to the pin. When the wheel is folded, the wheel support is folded mutually with the frame. The frame is equipped with a locking mechanism which can lock the wheel support when the wheel is both folded and unfolded, two ends of the frame are provided with openings which are used to arrange the wheel support inside the same, the wheel support is Y-shaped, the upper end of the wheel support is two pin joint portions which are disposed in the opening, and the lower end of the wheel support is an installation portion for installing the wheel support. The locking and stopping device has folded and unfolded states, can be locked and unlocked through buttons, not only has simple structure and convenient operation, but is small in volume because the folded wheel support and the fra