Backpack type tool appliance

The utility model provides a knapsack tool appliance, which comprises a working assembly, a driving assembly, a driven assembly and a control assembly, wherein the working assembly comprises an internal combustion engine and an impeller; the shell assembly comprises a first outer wall, and a cavity for containing the impeller is defined by the first outer wall; the internal combustion engine further comprises an electric starting assembly, the electric starting assembly comprises a starting motor and a battery pack for supplying power to the starting motor, and the battery pack is installed onthe first outer wall. The installation mode of the battery pack of the knapsack tool appliance is safer and simpler. 本实用新型提供了一种背负式工具器具，包含：工作组件，包含内燃机及与所述内燃机相连的叶轮；壳体组件，包含第一外壁，且所述第一外壁包围出容纳所述叶轮的空腔室；所述内燃机还包含电起动组件，所述电起动组件包含起动电机及为所述起动电机供电的电池包，所述电池包安装于所述第一外壁上。本实用新型的背负式工具器具的电池包的安装方式更为安全简易。