Improved heating inner pipe and heating device thereof

The utility model relates to the technical field of liquid heating, in particular to an improved heating inner pipe which comprises an inner pipe body, the inner pipe body is annularly arranged, a protruding structure is arranged on the outer wall of the inner pipe body in the circumferential direction and wound around the outer wall of the inner pipe body, and a water tank is formed between the two adjacent side walls of the protruding structure. The inner wall of the inner pipe body is a smooth curved surface; the heating device has the advantage that the combination compactness of the heating device and other spare and accessory parts is improved. 本申请涉及液体加热技术领域，尤其是一种改进的加热内管，其包括内管本体，所述内管本体呈环状设置，所述内管本体的外壁周向设置有凸起结构，所述凸起结构绕设于所述内管本体的外壁，所述凸起结构相邻的两个侧壁之间形成水槽，所述内管本体的内壁呈光滑曲面设置；本申请具有提高加热装置与其他零配件结合的紧凑性的优点。