| 摘要 |
A foldable tent frame includes a base, a foldable tent frame rod mounted on the base, and a middle support rod for controlling the folding and unfolding of the tent frame rod; the top end of the middle support rod is pivotably connected to a fixed position on the tent frame rod, and the bottom end is slidably and pivotably connected to the base; when the middle support rod is erected via the bottom end sliding on the base, the tent frame rod is unfolded accordingly; when the middle support rod collapses via the bottom end sliding on the base, the tent frame rod is folded accordingly; the tent can be quickly folded or unfolded by controlling the sliding of the bottom end of the middle support rod on the base, and the foldable tent frame is structurally simple and easy to operate. |
| 主权项 |
1. A foldable tent frame, comprising a base, a foldable tent frame rod mounted on the base, and a middle support rod to control folding and unfolding of the tent frame rod, a top end of the middle support rod being pivotably connected to a fixed position on the tent frame rod, a bottom end of the middle support rod being slidably and pivotably connected to the base, wherein, when the middle support rod is erected via the bottom end sliding on the base, the tent frame rod is unfolded, when the middle support rod collapses via the bottom end sliding on the base, the tent frame rod is folded,
wherein the middle support rod is provided with a control mechanism to control sliding of the bottom end of the middle support rod, the control mechanism comprising a pull rope, a rope disk to roll up the pull rope and a drive device to drive the rope disk and to pull or release the pull rope, a free end of the pull rope being connected to the bottom end of the middle support rod; and the tent frame rod comprises a front rod and a rear rod, a bottom end of the front rod being pivotally connected to one side of the base, the rear rod comprising an upper rod and a lower rod which can be folded each other, a top end of the upper rod being pivotally connected to a top end of the front rod, a bottom end of the upper rod being pivotally connected to a top end of the lower rod, a bottom end of the lower rod being pivotally connected to another side the base, the top end of the middle support rod being pivotally connected to the upper rod or the lower rod of the rear rod. |
