Tube expanding and bag expanding structure

The utility model provides an expansion tube expansion package structure which comprises an expansion tube body, the expansion tube body is connected to a tube body in a sleeved mode, a first expansion package and a second expansion package are formed on the two sides of a clamping piece, and the sides, away from the clamping piece, of the first expansion package and the second expansion package are each of an R-shaped structure. The utility model can solve the problems of low damage torque and poor durability of the expansion package of the expansion tube in the prior art. 本实用新型提供了一种胀管胀包结构包括胀管本体，包括胀管本体套接在管体上并在夹持件的两侧形成第一胀包和第二胀包，第一胀包和第二胀包远离夹持件的一侧均呈"R"形结构。本实用新型能够解决现有技术中胀管胀包破坏扭矩低、耐久性差的问题。