Clamping device and automobile air outlet assembly

The utility model provides a clamping device and an automobile air outlet assembly, and belongs to the technical field of connecting structures, the clamping device comprises a buckle seat, a clamping channel is arranged on the buckle seat, and a first clamping part and a second clamping part are arranged along the length direction of the clamping channel; the buckle comprises a base plate which is in insertion fit with the clamping channel, a third clamping part and a fourth clamping part are arranged on the base plate, and as the base plate continuously extends into the clamping channel, the first clamping part and the fourth clamping part respectively and sequentially promote the base plate and the second clamping part to deform in the direction away from the buckle base, so that the base plate and the second clamping part are clamped in the clamping channel. And when the substrate and the first clamping part are staggered, the substrate and the fourth clamping part are rebounded and reset, so that the fir