Tool convenient for positioning and mounting parts in box body

The utility model discloses a tool convenient for positioning and installing components in a box body, which comprises a fixed plate, a first measuring arm and a second measuring arm, and is characterized in that the fixed plate is provided with a component positioning part; the fixing plate is provided with a first mounting part and a second mounting part, the first mounting part and the second mounting part are respectively connected with the component positioning part, and the first mounting part and the second mounting part are perpendicular to each other; the first measuring arm and the second measuring arm are respectively installed in the first installation part and the second installation part. According to the utility model, the first measuring arm and the second measuring arm are set to have preset lengths, so that the problem that the positions of components in the box body cannot be accurately determined during installation is solved, the distance between the components and the inner side surface