| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a connecting structure using a seal ring capable of performing fixing and sealing of a first member having a first fitting part and a second member having a second fitting member at the same part in a shaft direction, shortening a required length in the shaft direction of a connection part to obtain compactness, and having satisfactory removability. <P>SOLUTION: In the connection structure connecting the first member 4C having the first fitting part 80 and the second member 66 having the second fitting part 86 in a seal state by an O-ring inserted in an elastic compression state in a radial direction, a second engagement part protruding to the first fitting part 80 side and engaged with the O-ring 108 in a retreat direction reverse to an insertion direction is provided on a tip side in the insertion direction of the second fitting part 86 and a first fitting part 80 protruding to the second fitting part 86 side in a rear side position of the O-ring 108 and engaged with the O-ring 108 in the insertion direction of the second fitting part 86, and thereby it is prevented for the second fitting part 86 to be removed from the first fitting part 80 via the O-ring 108. <P>COPYRIGHT: (C)2012,JPO&INPIT |
