Lightweight automobile dashboard support

The utility model relates to the technical field of automobile dashboard supports, in particular to a light-weight automobile dashboard support which comprises a top plate, a circular groove, a first sliding groove, a second sliding groove and a third sliding groove are formed in the top plate, the first sliding groove, the second sliding groove and the third sliding groove are communicated, the third sliding groove is communicated with the outside, symmetrical clamping blocks are connected in the circular groove in a sliding mode, and the clamping blocks are arranged in the circular groove. And a tension spring is fixedly connected between the two clamping blocks, the tension spring is located in the circular groove, and symmetrical sliding rods are slidably connected in the sliding groove I. Through the arrangement of the circular groove, the sliding groove I, the sliding groove II, the sliding groove III, the clamping blocks, the tension spring and the sliding rods, the problem that in the vehicle running