Chain wrench

The utility model discloses a chain wrench. The device comprises a hollow pipe, a chain and a limiting piece, the chain penetrates through the hollow pipe from the first end of the hollow pipe and detours to the first end of the hollow pipe. The hollow pipe is sleeved with the chain, so that the chain forms an enclasping ring at the other end of the hollow pipe, the limiting piece is installed onthe chain and/or the hollow pipe and located at the first end of the hollow pipe, and the limiting piece is used for limiting the position of the chain. The chain wrench disclosed by the utility modelcan be suitable for assembling and disassembling various cylindrical parts with different sizes, and the cost is reduced. 本实用新型公开了一种链条扳手，包括中空管、链条及限位件，所述链条从所述中空管的第一端穿过所述中空管并迂回到中空管的第一端，使得所述链条在所述中空管的另一端形成抱紧圈，所述限位件安装在所述链条和/或所述中空管上并处于所述中空管的第一端，所述限位件用于限定所述链条的位置。本实用新型的链条扳手可适用于各种不同大小的圆筒状部件的装拆，且降低了成本。