The invention provides a blood sucking cotton can,It is mainly composed of a tank bodyAn adjusting leverThe utility model is composed of a knob and a number of blood sucking cotton blocks,The inner wall of the tank body is provided with a number of guiding convex bars,The bottom of the tank body is provided with an opening,The periphery of the opening of the tank body is provided with a clamping part in the shape of an inward contraction,The bottom wall surface of the tank body is provided with a number of cutting grooves,The top surface of the tank body is provided with a perforation,The upper end of the adjusting rod is a perforation extending through the tank body,The upper end of the adjusting rod is provided with an external thread section,A bearing is arranged below the external thread section of the adjusting rod,The rod body of the adjusting rod is provided with spiral teeth,The knob is screwed on the external thread section of the adjusting rod,The blood sucking cotton blocks are arranged in the container room of the tank body,The blood sucking cotton block is provided with a certain position piece,The positioning sheet is provided with a screw hole,The screw hole is provided for the screw tooth of the adjusting rod,The periphery of the positioning sheet is provided with a plurality of guide grooves,The guide groove is matched with the guide convex strip of the tank body,So,The utility model relates to a blood sucking cotton pot structure which is convenient for sucking blood from a wound.本發明係在提供一種吸血棉罐，主要係由一罐體、一調整桿、一旋鈕及數吸血棉塊所組成，該罐體之容室內壁面上設有數導引凸條，該罐體之底部設為開口，該罐體之開口周緣係設呈內縮狀之夾持部，該罐體之底部壁面上設有數切槽，該罐體之頂面設有一穿孔，該調整桿其上端部係穿伸於該罐體之穿孔，該調整桿之上端部設為外螺紋段，該調整桿之外螺紋段下方設有一軸承，該調整桿之桿體上設有螺旋齒，該旋鈕係螺設於該調整桿之外螺紋段上，該數吸血棉塊係設於該罐體之容室內，該吸血棉塊上設有一定位片，該定位片上設有一螺孔，該螺孔係供該調整桿之螺旋齒螺設，該定位片之周緣設有數導槽，該導槽係與該罐體之導引凸條配合，如此，即為一可方便吸取傷口血液使用之吸血棉罐結構。
