Adapter of gas stove

The invention discloses an adapter of a gas stove. The adapter of the gas stove comprises a first connecting piece, a second connecting piece, a pressure-bearing ring and a sealing sleeve, wherein the first connecting piece comprises a locking nut and a short sleeve; the inner diameter of the locking nut is greater than that of the short sleeve; the second connecting piece has an outer thread tube joint structure and comprises an upper thread tube, a lower thread tube and a hexagon head; a limiting ring table is arranged on the inner peripheral wall of the upper thread tube; and during mounting and using of the adapter of the gas stove, the first connecting piece, the pressure-bearing ring and the sealing sleeve successively sleeve a socket connector of the stove, the second connecting piece is arranged on a locking nut of the first connecting piece in a spinning manner through the upper thread tube, the upper end of the pressure-bearing ring is abutted to the lower end surface of the short sleeve, the lower end of the pressure-bearing ring is pressed to the upper end of the sealing sleeve, and the lower end of the sealing sleeve is pressed on the limiting ring table of the inner peripheral wall of the upper thread tube. The adapter of the gas stove has the advantages of simple structure, low cost, convenience in use, good airtightness, high safety and long service life, and the problem that the gas stove cannot be connected with a metal hose can be solved effectively.