| 摘要 |
PROBLEM TO BE SOLVED: To provide a pipe connecting structure capable of being inexpensively constituted in comparison with a conventional one, and improving the connecting strength. SOLUTION: This pipe connecting structure is composed of a pipe body 1 and a connecting member 2 having a connecting part 3 of a diameter smaller than an inner diameter of the pipe body 1, and the pipe body 1 is fitted to the connecting part 3 of the connecting member 2 to be connected therewith. An inner face of the pipe body 1 has two or more locking projection parts 4 at an interval in the longitudinal direction of the pipe body 1, an outer face of the connecting part 3 is provided with a threaded groove 3A engaged with the locking projection parts 4, and the pipe body 1 is fitted to the connecting part 3 and rotated to be screwed, whereby two or more locking projection parts 4 are engaged with and locked in the threaded groove 3A, and the pipe body 1 is connected with the connecting member 2. COPYRIGHT: (C)2005,JPO&NCIPI
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