Double-pipeline trailer brake valve

The utility model provides a double-pipeline trailer brake valve, which relates to the technical field of brake valves and comprises a double-pipeline brake valve body, a first air inlet pipe is arranged on the surface of the double-pipeline brake valve body in a penetrating manner, a filter frame is inserted into one end of the first air inlet pipe, and a filter screen is arranged on the peripheral side surface of the filter frame. A transmission rod is movably installed in the filtering frame, an impeller is fixedly connected to the outer side surface of the transmission rod, a connecting rod is arranged on the surface of the transmission rod, a cleaning rod is arranged at one end of the connecting rod, a brush is arranged on the outer side surface of the cleaning rod, and the brush makes contact with the surface of the inner wall of the filtering net. According to the double-pipeline brake valve, the filter frame, the transmission rod, the impeller, the cleaning rod, the filter screen and the brush are use