Dazzling device in tunnel convenient to installation

The utility model provides a dazzling device in tunnel convenient to installation, includes the base, the last surface length direction of base is equipped with the recess, bottom in the recess is equipped with the rectangle recess, both ends in the recess are articulated through pivot and stand, still include the sleeve pipe, the intraductal spring that is equipped with of cover, the both ends of spring are equipped with the support arm, the support arm is articulated through axle and stand, the top of stand is equipped with the barn door. The utility model discloses can change the size of volume, the equipment is convenient, the installation of being convenient for. 种便于安装的隧道炫目装置，包括底座，所述底座的上表面长度方向设有凹槽，所述凹槽内的底端设有矩形凹槽，所述凹槽内的两端通过转轴与立柱铰接，还包括套管，所述套管内设有弹簧，所述弹簧的两端设有支臂，所述支臂通过轴与立柱铰接，所述立柱的顶端设有挡光板。本实用新型可以改变体积的大小，组装方便，便于安装。