Width Adjustable Electric Bed Frame

A width-adjustable electric bed frame, comprising:

• a base frame defining a front-back direction and a left-right direction perpendicular to each other;
• and
• a plurality of support units located above the base frame and arranged along the front-back direction;
• wherein each of the support units comprises:
• a main frame body, comprising a first front rod, a first rear rod parallel to the first front rod, and two first longitudinal rods respectively located at left and right ends of the first front rod and the first rear rod;
• the first longitudinal rods each have a top side connected with bottom sides of the first front rod and the first rear rod;
• two sliding connectors, each of which has a top wall, a side wall extending downward from a side of the top wall, and a bottom wall extending laterally from a bottom side of the side wall;
• the two sliding connectors are respectively connected at the top and bottom walls thereof with the first front rod and the first rear rod in a way that a gap is left between the side wall of each of the two sliding connectors and each of the first front and rear rods, forming a front sliding groove and a rear sliding groove;
• the two sliding connectors are spaced from one of the first longitudinal rods at a distance;
• and
• an extension frame, comprising a second front rod, a second rear rod parallel to the second front rod, and a second longitudinal rod disposed at outer ends of the second front and rear rods;
• an inner end of the second front rod is inserted through the front sliding groove, and an inner end of the second rear rod is inserted through the rear sliding groove in a way that the second front and rear rods are supported by the top side of one of the first longitudinal rods.