Steam trap capable of efficiently draining condensate water

The utility model relates to the technical field of steam traps, and discloses a steam trap capable of efficiently draining condensate water, which comprises a steam trap body, a heat exchange shell, a cold water pipe and a high-temperature pipe, a drainage mechanism is arranged in the heat exchange shell, the drainage mechanism comprises a water collecting shell, a lower sliding pipe, a vertical rod, a spring and a drainage groove, the lower sliding pipe is fixedly connected with the water collecting shell, and the vertical rod is fixedly connected with the drainage groove. The downward sliding pipe penetrates through the heat exchange shell and is in sliding connection with the heat exchange shell, the spring is located below the water collection shell, hot air passing through the heat exchange shell can be liquefied to form water drops when encountering the pipe wall of a low-temperature cold water pipe, the water drops are collected and fall into the water collection shell, and the water drops slide down