This work is about a kind of blood collection structure.The first system is provided with a first pivot hole.First holding tank,First buckle groove,First containment space,The first perforation and the second holding space；A second system is provided with a second pivot hole.The second holding tank,The second buckle groove and the first group of setting parts；The first pivot bar system makes the first body and the second body pivot.An elastic element is arranged in the first holding groove and the second holding groove.One end of the elastic element is provided with a first clamping part for clamping on the first buckle groove.The other end of the elastic element is provided with a second clamping part for clamping on the second buckle groove.The first body and the second body are elastically supported by elastic elements.A power element system is arranged at the first accommodation space.One end of the power element is convex with a power shaft.The power shafting is pivoted at the first through hole；A first round assembly is pivoted at the first through hole.The first wheel group is arranged with the power shaft of the power element.The power element system can drive the first wheel group to rotate；A second round of assembly is set up at the first assembly.The second round system is relatively positive with the first round system.本創作係關於一種集血器結構，其係包括：一第一本體係設有第一樞孔、第一容置槽、第一扣槽、第一容置空間、第一穿孔及第二容置空間；一第二本體係設有第二樞孔、第二容置槽、第二扣槽及第一組設部；一第一樞桿係使該第一本體與第二本體相樞設；一彈性元件係容置於第一容置槽與第二容置槽內，該彈性元件一端係設有第一卡部以卡制於第一扣槽上，該彈性元件另端係設有第二卡部以卡制於第二扣槽上，使該第一本體與第二本體之間係因彈性元件而具彈性頂抵之功效；一動力元件係容設於第一容置空間處，該動力元件一端係凸設有動力軸，該動力軸係樞設於第一穿孔處；一第一輪組係樞設於第一穿孔處，該第一輪組係與動力元件之動力軸相組設，該動力元件係可驅動第一輪組轉動；一第二輪組係組設於第一組設部處，該第二輪組係與第一輪組相對正。
