| 主权项 |
1. A foldable bed frame structure with wheels, comprising two frames in a bilateral arrangement, two side leg supports disposed at bottoms of outer ends of the frames, each frame comprising two longitudinal poles at two sides thereof, and a plurality of transverse poles connected between the two longitudinal poles, characterized by: the foldable bed frame structure further comprising a middle leg support disposed between the frames for connecting the two frames, the middle leg support comprising two U-shaped middle leg pipes each having two upright poles and a bottom transverse pole, two top connecting poles connected with ends of the upright poles of the two U-shaped middle leg pipes, two bottom connecting poles connected with the bottom transverse poles of the two U-shaped middle leg pipes, and at least two wheels disposed at bottoms of the U-shaped middle leg pipes, inner ends of the longitudinal poles of the frames extending beyond the transverse poles, the inner ends of the longitudinal poles of the frames being pivotally connected with two ends of each of the two top connecting poles of the middle leg support, respectively. |
