| 摘要 |
PROBLEM TO BE SOLVED: To provide a fitting device for a sprinkler head pipeline, which can reduce the troubles and the time period of a positioning work at the time when a sprinkler head is attached and fixed to a ceiling substrate material.SOLUTION: A fitting device for a sprinkler head pipeline comprises: a cylinder 10 made to engage to idle with a falling tube 12, to which a sprinkler head SH is connected at a terminal end; and a bearing member 20 enabled to engage with said cylinder 10 and disposed on a ceiling substrate material 30. An engaging structure with a spiral groove 13 formed in a circumference of said cylinder 10 is formed in an inner peripheral part of said bearing member 20 so that a positioning work of the sprinkler head can be easily performed after a ceiling boat was disposed.SELECTED DRAWING: Figure 1 |
