Air conditioner knob and automobile with air conditioner knob

The utility model provides an air conditioner knob. Placing at air guide port, wherein the inner cover is fixed to an air guide opening, the outer cover is arranged on the inner cover in a sleeving mode, and the clamping parts are arranged on the inner cover and the outer cover. The clamping part comprises an arc-shaped clamping part, a sliding groove formed in the radial direction of the circumference of the arc-shaped clamping part, and a protrusion capable of being embedded into the sliding groove and relatively sliding along the circumference of the arc-shaped clamping part. A first opening communicated with the air guide opening is formed in the inner cover, a second opening is formed in the outer cover, and the first opening and the second opening coincide with each other or are staggered through relative sliding of the protrusion and the arc-shaped clamping part. According to the air conditioner knob provided by the utility model, the clamping part adopts a mode that the bulge relatively slides along t