Double-layer glass detachable mounting structure

The utility model discloses a double-layer glass detachable mounting structure, relates to the field of double-layer glass cups, and provides the following scheme aiming at the requirements of an existing double-layer heat preservation glass cup for simplifying the production process and the assembly process and improving the production efficiency: the double-layer glass detachable mounting structure comprises a first glass tube and a second glass tube, the first glass tube is sleeved outside the second glass tube, the top ends and the bottom ends of the first glass tube and the second glass tube are respectively provided with an adapter ring, a cup cover and a base which are used for sealing tube orifices, and an airtight control mechanism used for exhausting and sealing is arranged in the base. The first glass tube and the second glass tube are coaxially arranged at the same height, a gap is reserved between the inner wall of the first glass tube and the outer wall of the second glass tube, and the cross se