The utility model belongs to the technical field of umbrellas, and particularly relates to an umbrella with an umbrella
tail capable of changing color when encountering
ultraviolet rays, which comprises umbrella ribs, umbrella cloth is fixedly mounted on the outer surfaces of the umbrella ribs, an umbrella rod is arranged in the umbrella ribs, an umbrella
handle is fixedly connected to the bottom end of the umbrella rod, and the top end of the umbrella rod penetrates through the top of the umbrella cloth. A second
ultraviolet detection ring is fixedly mounted on the outer surface of a mounting ring, located in the umbrella cloth, of the umbrella ribs, and a first
ultraviolet detection ring is mounted at the top end of an umbrella rod of the umbrella ribs through a mounting
assembly; the ultraviolet-proof effect of the umbrella cloth can be judged through detection and comparison of the second ultraviolet detection ring and the first ultraviolet detection ring which are arranged inside and outside the umbrella cloth, and when the first ultraviolet detection ring at the umbrella
tail outside the umbrella cloth changes color, the second ultraviolet detection ring on the umbrella rib of the
honeycomb structure inside the umbrella cloth does not
change color; in this way, it can be indicated that the ultraviolet-proof effect of the umbrella cloth is good, a user can clearly know that the ultraviolet-proof capacity of the umbrella is high, and therefore the umbrella can meet more use requirements.