rod storage sleeve and is fixed to the shaft the rod storage sleeve is supported and rotates between two rope protecting boards a tension part locates at the other end of the rod and the other end of the two flexible ropes is fixed to the tension part the advantage of the invention is that the tent made from the retractable rod occupies a small storage space application_number US 17787308 A description see fig1 retractable rod 100 is made of a multitude of rigid skeleton joints 110 the concave and convex surfaces of the joints are connected along the through holes by two flexible ropes 130 the two ropes can form a circle and become one rope 130 the storage compartment comprises a shaft 101 which is in an intermittent driving mode and fixed onto a rod storage sleeve 103 and a pair of rope protecting boards 104 two rope protecting boards form a storage space 105 in this embodiment rod storage sleeve 103 is linked to the rope protecting boards 104 through bearing 102 ropes 130 pass through rod storage sleeve 103 and are then fixed to shaft 101 the other end of ropes 130 is fixed to a tension part the tension part comprises a support leg and a spring 145 alternatively the spring 145 can be replaced by a rubber bend the support leg comprises rigid tube 141 caulking 146 foot 143 and pin 142 pin 142 is used to link foot 143.