| 摘要 |
PROBLEM TO BE SOLVED: To provide an installation structure of an intercom device, capable of installing the intercom device on a wall surface or the like more surely and easily than before.SOLUTION: An installation structure comprises a hook mechanism. In the hook mechanism, hook members 31 are provided, each in which an installation fitting 21 is notched so as to pass a hook frame 33 therethrough, and which includes an electric solenoid 32 having a plunger urged to a pull-in position and the hook frame 33 assembled to the plunger and sliding in a moving direction of the plunger together with the movement of the plunger, on a rear surface of an intercom base unit 1. While being slid in an anti-urging direction together with the plunger by applying a load to the hook frame 33 of the hook member 31, the hook frame 33 is passed from the front to the back inside of the notch and then when the load to the hook frame 33 is released, the hook frame 33 is moved by returning of the plunger to the pull-in position by the urging force, and is hooked at a peripheral edge of the notch. |
