Variable pump cylinder body convenient to detect and maintain

The utility model discloses a variable pump cylinder body convenient to detect and maintain, which comprises a variable pump shell, a V-shaped hole is formed in the top of the variable pump shell, a sealing shell is clamped in an inner cavity of the V-shaped hole in a sliding manner, a sealing plate is fixedly connected to the side of the outer wall of the sealing shell, and a sealing gasket is arranged between the sealing plate and the variable pump shell. The fixing assemblies are symmetrically arranged on the two sides of the sealing shell, each fixing assembly comprises a first fixing block, one side of each first fixing block is fixedly connected with the sealing shell, connecting blocks are arranged at the bottoms of the two sides of the variable pump shell, connecting screws are arranged between the connecting blocks and the first fixing blocks, and connecting assemblies are arranged between the connecting blocks and the variable pump shell. By means of the arrangement mode of the variable pump shell,