| 摘要 |
<p>PROBLEM TO BE SOLVED: To simplify the installation work of a connecting tool, insert a duct in the connecting tool having an appropriate insert dimension, and prevent the duct from being slipped off from the connecting tool after execution. SOLUTION: This duct connecting tool comprises a cover body 1 and a base 2 covered with this cover body 1, passing holes 1a and screw holes 2a are formed in this cover body 1 and this base 2, respectively, and the passing holes 1a and the screw holes 2a are connected to each other by screws 3. The connecting part 21 of the base 2 has T-shaped cross sectional engaging parts 22 and stoppers 23, mounting holes 22a are opened in these engaging parts 22, therefore this duct connecting tool can be screwed on a wall by screws 5. The groove shaped fitting recessed part of a duct can be engaged with the connecting part 21 of the base 2.</p> |
