A bed frame includes a frame, bed legs, and a bed plank support frame. The frame includes two side boards, a head board, and a tail board. Respective bottoms of opposing sides of the two side boards are provided with a plurality of U-shaped connecting members, respectively. The bed plank support frame includes a plurality of support members. Two ends of each support member are connected to U-shaped connecting grooves of the corresponding U-shaped connecting members of the two side boards, respectively. The bed plank support frame is sunk when in use. After a bed plank is placed, there is a certain distance between the bed plank and the top of the frame, so that the frame can form four stop sides. After a mattress is placed on the bed frame, the mattress is restrained in the frame, not sliding.

An expandable and collapsible support device for multiple use enables attaining an expanded open state for use or return to a compact closed state in mere seconds. The device includes an accordion-style frame that expands laterally from a compact closed state to an expanded open state for use, and a material support cover forming the top of the device and attachable to the frame to provide a support surface above ground level for the device.

The present disclosure relates to the technical field of electric beds, and in particular to an integrated folding bed, which solves a technical problem that the width of a bed body is inconveniently adjusted in the prior art. The integrated folding bed comprises a bed body, bed feet and a bed frame, and the bed body is formed by multiple sequentially connected folding main bed boards, wherein an expanding bed board for widening the bed body is integrally arranged on one side face of the main bed board, the main bed board and the expanding bed board are connected through a hinge, two leaves of the hinge are respectively and fixedly mounted on an upper surface of the main bed board and an upper surface of the expanding bed board, and a pin of the hinge is arranged upwards.

An expandable and collapsible support device for multiple use enables attaining an expanded open state for use or return to a compact closed state in mere seconds. The device includes an accordion-style frame that expands laterally from a compact closed state to an expanded open state for use, and a material support cover forming the top of the device and attachable to the frame to provide a support surface above ground level for the device.

A collapsible peripheral frame includes first and second outer lateral bar units, and first and second longitudinal bar assemblies. Each of first and second longitudinal bar assemblies comprises first, second and third longitudinal bar units rotatably connected with each other at their adjacent ends. The first outer lateral bar unit has a first end connected with an end of the first longitudinal bar unit in the first longitudinal bar assembly and a second end rotatably connected with an end of the third longitudinal bar unit in the second longitudinal bar assembly. The second outer lateral bar unit has a first end rotatably connected with an end of the third longitudinal bar unit in the first longitudinal bar assembly and a second end connected with an end of the first longitudinal bar unit in the second longitudinal bar assembly.

A foldable supporting assembly includes an inner lateral bar unit, and first, second, third and fourth longitudinal bar units. The first and second longitudinal bar units are disposed at a first side, and rotatably connected with the first and second ends of the inner lateral bar unit. The third and fourth longitudinal bar units are disposed at a second side, and rotatably connected with the first and second ends of the inner lateral bar unit. When folded, one of the first and second longitudinal bar units is disposed between the inner lateral bar unit and the other one of the first and second longitudinal bar units, and one of the third and fourth longitudinal bar units is disposed between the inner lateral bar unit and the other one of the third and fourth longitudinal bar units.

Disclosed are connectors and collapsible bed frames. A collapsible bed frame includes lateral and longitudinal bar units. Between each of two adjacent lateral bar units, a first longitudinal bar unit is disposed at a first side of the collapsible bed frame and a second longitudinal bar unit is disposed at a second side of the collapsible bed frame. The first and second longitudinal bar units and the two adjacent lateral bar units are rotatably connected with each other by connectors that enable the collapsible bed frame to contract and expand while the lateral and longitudinal bar units are connected with each other.

Disclosed are collapsible beds and bed frames. A collapsible bed frame includes first and frame units disposed side by side and connected with each other at their proximal sides. Each of the first and second frame units comprises a plurality of bar units. Adjacent bar units are connected with each other and rotatable with respect to each other along one or more axes each substantially perpendicular to a first plane defined by a top surface of the collapsible bed frame when it is expanded. The first and second frame units can contract and expand while remaining on the first plane and while connected with each other.

A collapsible bed frame includes a first lateral bar unit, a second lateral bar unit, and a longitudinal supporting bar unit. The first and second lateral bar units are disposed substantially parallel to each other. The first lateral bar unit includes a first coupler to removably couple with a first end of the longitudinal supporting bar unit. The second lateral bar unit includes a second coupler to removably couple with a second end of the longitudinal supporting bar unit. The collapsible bed frame also includes first and second longitudinal bar units. The first longitudinal bar unit is rotatably connected with the first ends of the first and second lateral bar units. The second longitudinal bar unit is rotatably connected with the second ends of the first and second lateral bar units.

A collapsible bed frame includes a plurality of lateral bar units, a plurality of first longitudinal bar units, and a plurality of second longitudinal bar units. The plurality of lateral bar units includes first and second outer lateral bar units and at least one inner lateral bar unit. A collapsible bed frame also includes a plurality of first connectors, each having a body and a supporting piece. The body is fixedly connected with an end of the first or second outer lateral bar unit, and the supporting piece is rotatably connected with an adjacent first or second longitudinal bar unit. The collapsible bed frame can contract and expand while the lateral and longitudinal bar units are connected with each other.