Switch device for a luminous decoration

摘要

A switch device for a luminous decoration includes a decoration accommodating box and a connecting block. The accommodating box has its bottom bored with a fitting hole formed with a female threaded portion. The connecting block has its upper end formed with a male threaded portion to be threadably combined with the female threaded portion of the accommodating box and has its lower portion formed with a retaining ring for connecting an article thereon. The accommodating box is installed inside with a luminous unit having a switch holder to be pressed by the connecting block. The luminous unit can be controlled to turn on and off light by adjusting the contact condition of the connecting block and the switch holder of the luminous unit.