| 摘要 |
PROBLEM TO BE SOLVED: To provide a joint structure of a pile capable of having a very simple structure and easily carrying out connecting work in spite of having a swivel stopping mechanism. SOLUTION: A plurality of axial grooves 7 formed in the circumference from the end face thereof at axial intervals and the circumferential groove 8 formed in the circumference by linking with the lower parts of them are provided to the inside of a fitting female section 4, a ring member 10 forming a plurality of engaging grooves 11 lining with the axial grooves 7 in the inside circumference is fitted into the circumferential groove 8, a plurality of engaging projections 6 fitted into the engaging grooves 11 of the ring member 10 through the axial grooves 7 provided at circumferential intervals are provided in the circumference of the fitting male section 3 with the fitting to the fitting female section 4, and when the ring member 10 rotates the fitting male section 3 fitted to the fitting female section 4, it is rotated to include rotation preventing means 9 and 12 fixing the ring member 10 to a rotational position thereof.
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