Building water supply and drainage pump convenient to install

The building water supply and drainage water pump convenient to install comprises an installation base, the front face and the back face of the installation base are both fixedly connected with limiting connecting plates, an installation groove is formed in the upper surface of the installation base, a base is arranged in the installation groove, and the two sides of the base are both fixedly connected with limiting sliding rods; the surface of the limiting sliding rod is sleeved with a reset spring, the upper surface of the base is fixedly connected with a guide column, the back face of the guide column is provided with a vertical sliding groove, the inner wall of the vertical sliding groove is slidably connected with a lifting plate, the front face of the guide column is provided with a threaded hole, and the inner wall of the threaded hole is in threaded connection with a bolt. According to the building water supply and drainage water pump convenient to install, the pump frame base is arranged at the posit