Patent attributes
The present invention is provided with a collapsible mechanism at the top of a collapsible tent, which comprises a top base and at least two sets of supporting pole sets. The top base comprises an upper pivot base, a lower pivot base and a vertical pole to fix the upper pivot base and the lower pivot base; at least two sets of supporting pole sets are connected to the top base and arranged annularly; each of the supporting pole set comprises a sub-pole, a connecting base and a supporting pole, a first end of the sub-pole is pivot joint with the lower pivot base, a second end of the sub-pole is pivot joint with the supporting pole, the connecting base is pivot joint with the upper pivot base, the connecting base is slidably connected to the sub-pole and form a flexible structure.