Hook type movable stand sequentially-unfolding device
The utility model provides a hook type movable stand sequentially-unfolding device. The hook type movable stand sequentially-unfolding device comprises a retractable support which is formed by sequentially overlapping a plurality of sliding supports from small to big in a nested mode, wheels are arr...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model provides a hook type movable stand sequentially-unfolding device. The hook type movable stand sequentially-unfolding device comprises a retractable support which is formed by sequentially overlapping a plurality of sliding supports from small to big in a nested mode, wheels are arranged at the bottoms of the sliding supports, hook assemblies are arranged at the front ends of the middle sliding supports, sliding pieces are arranged at the front ends of the middle sliding supports and the front end of the tail sliding support, and touch rods are arranged at the tails of the middle sliding supports and the tail of the head sliding support. Each hook assembly comprises a base, a hook, a rotating shaft and a touch block, wherein the rotating shaft is rotationally installed on the base, the hook is fixed to the head of the rotating shaft, the touch block is fixed to the tail of the rotating shaft, and a torsional spring enabling the hook to tend to be buckled is arranged between the rotating shaft and the base. The hook type movable stand sequentially-unfolding device can be sequentially unfolded due to the hook assemblies and the sliding pieces; meanwhile, guide rods are arranged, the linearity of unfolding is improved, and deflection is avoided. |
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