Ball valve convenient to install

The utility model discloses a ball valve convenient to install, which comprises a ball valve body, connecting pipelines are arranged on two sides of the ball valve body, a left installing cover and a right installing cover are arranged between the ball valve body and the connecting pipelines, and installing mechanisms are respectively arranged in the left installing cover and the right installing cover. The mounting mechanism comprises a two-way screw rod, a knob, a mounting semi-ring and a mounting block; and the two-way screw rod is movably connected to the interiors of the left mounting cover and the right mounting cover through second rotating rods at the two ends. Belongs to the field of ball valves and is characterized in that a left mounting cover, a right mounting cover and a mounting mechanism are matched for use, and after the left mounting cover and the right mounting cover are combined together through a handle, a ball valve body and a flange on a connecting pipeline are wrapped in the left mounti