A telescopic pivotable support structure includes a telescopic connecting pipe assembly, wherein the telescopic connecting pipe assembly comprises a first pipe, a second pipe and a first pivotable connection assembly, wherein the first pivotable connection assembly comprises a first pivot part and a second pivot part, the first pivot part comprises a first pivot portion and a first connection portion connected with the first pivot portion, the first connection portion is accommodated in one end of the first pipe to be connected with the first pipe; the second pivot part comprises a second pivot portion and a second connection portion, the second connection portion is configured to be connected with the second pipe, the second pivot portion is configured to be pivotably connected with the first pivot portion.