< Topic >The injection needle unnecessary type connector structure which is used for transfusion and the like is offered.SolutionsAs hollow connector 1, elastic block 2, it consists of opening and closing assembly 3, the first liquid channel it has 11 which is communicated to the hollow connector 1 both ends and second liquid channel 12, in the first liquid channel 11 inner circumference diameter it provides the annular burotsu section which strangulates, forms the first annular inner wall surface 112 in that upper part in the lower part to form the second annular inner wall surface 113 which expands diameter from that, storing in first liquid channel 11 and to install elastic block 2, opening and closing assembly 3 to have the pipe 32 which is connected from stopper 31, and stopper 31, stopper 31Directing to the annular block section, the pushing overpowering, phase it passes through pipe 32 to second liquid channel 12 due to elastic block, 2 in the first annular section it provides the second annular section 312 which touches 311 which touches to the first annular inner wall surface 112 in rim of stopper 31 and the second annular inner wall surface 113.< Choice figure >Drawing 4【課題】輸血等に用いる注射針不要式コネクター構造を提供する。【解決手段】中空コネクター1、弾性ブロック2、開閉アセンブリ3からなり、中空コネクター1両端に連通する第一液体流路11及び第二液体流路12を備え、第一液体流路11内周には径を狭窄した環状ブロッ部を設け、その上方に第一環状内壁面112を形成すると共に下方にはそれより径を拡大した第二環状内壁面113を形成し、弾性ブロック2は第一液体流路11に収容して設置し、開閉アセンブリ3はストッパー31、及びストッパー31より連接する導管32を備え、ストッパー31は環状ブロック部に向けて弾性ブロック2により押圧され、導管32を第二液体流路12に相通し、ストッパー31の外周に第一環状内壁面112に接する第一環状部311及び第二環状内壁面113に接する第二環状部312を設ける。【選択図】図4
