CPC F16M 11/28 (2013.01) [F04D 19/002 (2013.01); F04D 29/646 (2013.01); F16M 11/2021 (2013.01); F21V 21/22 (2013.01); F21V 21/26 (2013.01); F21V 21/32 (2013.01); G03B 15/03 (2013.01); G03B 17/561 (2013.01); F21Y 2105/18 (2016.08)] | 20 Claims |
1. A telescopic pivotable support structure, comprising:
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;
wherein the telescopic pivotable support structure comprises a support state, a pivot state and a retracted state, wherein:
in the retracted state, the first pipe, the first pivot portion and the second pivot portion are accommodated in the second pipe;
in the support state, the first pipe and the second pipe extend in a same direction, at least part of the first pipe extends out of the second pipe;
in the pivot state, among the first pipe, the first pivot portion and the second pivot portion, at least the first pipe extends out of the second pipe, and the first pivot portion is pivot at a preset angle relative to the second pivot portion so as to make the first pipe and the second pipe connected together and pivot relative to each other.
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