PROBLEM TO BE SOLVED: To provide a connection structure of a connector that can prevent cracks or leakage of liquid from occurring.SOLUTION: A female screw 34 formed on the inner peripheral surface of a lock ring 28 equipped in a male connector 22 and a male screw 25 formed on the outer peripheral surface of a female connector 21 are screwed to each other, so that male connector 22 and the female connector 21 are connected to each other. Here, protrusion stripes 26a, 26b are formed on the rear side portion of the male screw 25 on the outer peripheral surface of the female connector 21, and notches 35 a, 35b that can engage with the protrusion stripes 26a, 26b are set on the tip portion of lock ring 28. As a result, when the male screw 25 and the female screw 34 are screwed to each other and the screwed state is appropriate, the protrusion stripes 26a, 26b and the notches 35a, 35b are engaged with each other.COPYRIGHT: (C)2008,JPO&INPIT【課題】 割れや液体の漏れが生じることを防止できるコネクターの接続構造を提供すること。【解決手段】 雄側コネクター22が備えるロックリング28の内周面に形成された雌ねじ34と、雌側コネクター21の外周面に形成された雄ねじ25とを螺合させて雄側コネクター22と雌側コネクター21とを接続するようにした。そして、雌側コネクター21の外周面における雄ねじ25の後端側部分に係合突条26a,26bを設け、ロックリング28の先端部に係合突条26a,26bと係合可能な切欠き部35a,35bを設けた。これによって、雄ねじ25と雌ねじ34とを螺合させていきその螺合の状態が適正になったときに、係合突条26a,26bと切欠き部35a,35bとが係合するようにした。【選択図】 図10
