Flower box with rainwater collecting function

The utility model relates to the technical field of flower boxes, and discloses a flower box with a rain collecting function, which comprises a frame, the top end of the left side of the frame is fixedly connected with a fixing plate, the middle of the fixing plate is provided with a first clamping groove, the middle of the first clamping groove is slidably connected with a fixing rod, the left side of the fixing rod is fixedly connected with a first connecting block, and the left side of the first connecting block is fixedly connected with a second connecting block. A supporting column is rotationally connected to the middle of the first connecting block through a first fixing pin, a second connecting block is rotationally connected to the bottom end of the supporting column through a second fixing pin, a supporting rod is fixedly connected to the bottom end of the second connecting block, and a first spring is fixedly connected to the left side of the supporting rod. According to the utility model, the filt