| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a door locking pin of a container capable of the locking only by pressing without screwing, and capable of visually checking the locking. SOLUTION: In a door locking pin of a container consisting of a bolt 1 composed of a bolt head part 2 and a bolt shaft 3 and a nut 8 having a bolt hole, a ring spring fitting groove 6 is cut in an outer circumferential surface of a large diameter round shaft 5 at the position of the dimension X from the tip of the bolt shaft 3. A ring spring 18 is fitted to the ring spring fitting groove 6, and a checking seal fitting groove 11 is cut in an inner circumferential surface of the bolt hole of a tip part 10 of the bolt hole of the nut 8. The inner diameter of the bolt hole from the checking seal fitting groove 11 to the position of the dimension Y to the inner end is set to the diameter of a large diameter hole 13 suitable for the large diameter round shaft 5 of the bolt shaft 3, a ring spring fitting groove 14 to fit the ring spring 18 is cut along the inner circumferential surface of the large diameter hole 13 at the position of the dimension Z shorter than the dimension X from the bolt tip, a rear end face 17 side of the nut is formed to be a tapered hole 15, and an elastic checking seal is fitted to the checking seal fitting groove 11.</p> |
