Foldable bed frame and inflatable bed

A foldable bed frame, comprising a plurality of support assemblies and a plurality of foldable assemblies, the plurality of support assemblies are distributed in an array, and each of the plurality of foldable assemblies is provided between two adjacent ones of the plurality of support assemblies, respectively,

• wherein each of the plurality of support assemblies comprises a support pillar and a slidable component, a first end of the support pillar is configured as a connection end, a second end of the support pillar is configured as a support end, and the slidable component is slidably connected to the support pillar and slides along a length direction of the support pillar towards or departing from the connection end,
• wherein each of the plurality of foldable assemblies comprises two connection rods intersecting with each other, the two connection rods of a same one of the plurality of foldable assemblies are located between two adjacent ones of the plurality of support pillars, a first end of each of the two connection rods is hinged with the connection end of one of the two adjacent ones of the plurality of support pillars, and a second end of each of the two connection rods is hinged with the slidable component of a second one of the two adjacent ones of the plurality of support pillars, and
• wherein each of the plurality of support assemblies further comprises a mounting block and a connection sleeve, the connection sleeve is sleeved on the connection end of the support pillar, a first mounting groove configured to receive the mounting block is defined on the connection sleeve, the first mounting groove extends along a radial direction of the support pillar, and a side of the mounting block departing from the support pillar is configured to be hinged with a respective one of the two connection rods.