The invention discloses a kind of needling device,It includes needle stand and sets the syringe needle in needle stand described in what,It is slidably equipped with one first external member above the needle stand,One second external member is slidably equipped with above first external member； The upper surface of the needle stand is equipped at least one lug boss,The Hou end of first external member is equipped with a through-hole,At least one elastic limiting unit is equipped in the through-hole,When being moved to when the lug boss between the inner wall of the through-hole and the free end of the elastic limiting unit,The fixing end that the elasticity limiting unit limits the lug boss towards the elastic limiting unit is mobile； A position-limit mechanism is additionally provided between first external member and second external member. Needling device of the invention can rapidly make the external member above needle stand cover syringe needle using Hou, and be connected firmly between external member and needle stand, and external member bounce situations will not occur, and effectively improve the safety of product.本發明公開了一種針刺裝置，其包括針座和置於所述針座內的針頭，所述針座上方滑設有一第一套件，所述第一套件的上方滑設有一第二套件；所述針座的上表面設有至少一個凸起部，所述第一套件的後端設有一通孔，所述通孔內設有至少一個彈性限制部，當所述凸起部移動到所述通孔的內壁與所述彈性限制部的自由端之間時，所述彈性限制部限制所述凸起部朝所述彈性限制部的固定端移動；所述第一套件和所述第二套件之間還設有一限位機構。本發明的針刺裝置使用後可以快速地使針座上方的套件將針頭蓋住，而且套件及針座之間連接牢固，不會發生套件回彈情況，有效地提高了産品的安全性。
