This creation is a kind of related safty pin skull of what,The side for tying up to a lid offers lateral fluting along lid axial direction setting,And the card slot recessed along lid radial direction is equipped at the lower end of lid inner wall,The card slot is connected with the lateral fluting,It is equipped with slanting baffle at fluting in lid inner wall again； By syringe needle group by laterally slotting in laterally merging lid,And enable the flange of syringe needle pedestal be correspondingly embedded in card slot and position,And syringe needle is also blocked crossing baffle Hou； Accordingly,Reach and used Hou when syringe needle group,It can be set really for needle cover lid,The thing of the careless prick into human body of syringe needle is avoided to occur,Ensure the effect of safety of the syringe needle using Hou.本創作係有關於一種安全針頭蓋，係在一蓋體的一側開設有沿著蓋體軸向方向設置之側向開槽，並在蓋體內壁面的下端處設有沿著蓋體徑向方向凹設的卡槽，該卡槽與該側向開槽相連通，又在蓋體內壁面鄰近開槽處設有斜向的擋片；將針頭組由側向開槽橫向置入蓋體內，並令針頭基座之凸緣對應嵌入卡槽中定位，而針頭也在越過擋片後被阻擋；據此，達到當針頭組使用過後，能確實為針頭蓋蓋設，避免針頭不慎刺傷人體的事情發生，確保針頭使用後之安全性的效果。
