Manifold base testing fixture

The utility model discloses a manifold seat testing fixture which is characterized in that the manifold seat testing fixture comprises a base plate, the base plate is provided with a positioning seat, the positioning seat is vertically arranged on the base plate, one side of the positioning seat is a mounting surface, the mounting surface is provided with a raised positioning block, the mounting surface at the periphery of the positioning block is provided with a plurality of mounting holes, and bolts are arranged in the mounting holes. The bottom plate is provided with a first detection seat, a second detection seat, a third detection seat and a fourth detection seat, the first detection seat is provided with a first detection pin which slides vertically, the lower end of the first detection pin inclines forwards, the second detection seat is provided with a second detection pin which slides horizontally in the front-back direction, and the third detection seat is provided with a third detection pin which sl