Rotatable automobile headrest framework structure and automobile headrest

The utility model belongs to the field of automobile headrests, and provides a rotatable automobile headrest framework structure and an automobile headrest. The body framework is rotatably arranged at the upper end of the headrest supporting rod; a ratchet wheel and a pawl which are meshed with each other are arranged on the locking assembly, a clamping groove is formed in the upper portion of the ratchet wheel, and a clamping block continuously meshed with the clamping groove is arranged on the lower portion of the pawl; the sliding assembly is provided with a moving block, and when the moving block is switched from the first position to the second position, the moving block can drive the clamping block to be separated from the clamping groove, so that the body framework can rotate relative to the headrest supporting rod. Compared with the prior art, the headrest has the advantages that when the headrest is used, the clamping groove and the clamping block can be continuously meshed, the headrest is prevented