Tool joint linkage structure with different matching tapers

The invention belongs to the field of petroleum gas and mineral extraction, and in particular relates to a tool joint linkage structure with different matching tapers. The tool joint linkage structure with different matching tapers comprises a male adapter and a female adapter, wherein the male adapter is a taper male adapter with external threads which adopt a trapezoidal thread structure or a triangular thread structure, the taper of the external threads along the axial direction is m which is 1:6-1:32; and the female adapter is a taper female adapter with internal threads matched with the male adapter, the internal threads adopt a trapezoidal thread structure or a triangular thread structure, and the taper of the internal threads is n which is 1:5.9-1:31.9. The tool joint linkage structure with different matching tapers disclosed by the invention controls the respective fit clearances of a big end and a small end of the threads through meshing of threads with different tapers, thereby improving the stress