PP lifting type bottom valve

The utility model discloses a PP lift type bottom valve which comprises a valve cover, a valve body and a pipeline, an installation cross rod is fixedly installed on the inner edge of the valve body, a shaft sleeve is fixedly installed on the installation cross rod, a sliding shaft is installed in the shaft sleeve in a sliding mode, the top of the sliding shaft is fixedly connected with a valve clack, and the valve clack is fixedly connected with the valve cover. A second sealing ring is arranged at the top of the valve clack, a valve seat is fixedly installed at the top of the valve body, a water inlet hole is formed in the center of the interior of the valve seat, and a first sealing ring is arranged at the bottom of the valve seat. The valve body and the pipeline are convenient to disassemble through the second male buckle and the second female buckle, the overall stability and convenience of the device are effectively improved, and the overall sealing effect of the device is more excellent through the fir