The utility model relates to an automatic sealed exhaust pipe which can automatically seal the inlet of an exhaust pipe when entering water. The utility model comprises an exhaust pipe, the exhaust pipe is arc-shaped step type, and the outlet of the exhaust pipe is provided with a sensor and an electromagnetic valve. Advantages: one is the sensor and controller to control the exhaust pipe of the electromagnetic valve open or closed, can influent the moment in the exhaust pipe, the exhaust pipe is automatically sealed, that will not damage the engine starting, two; the structure design is novel, unique and simple, practical.
【技术实现步骤摘要】
【技术保护点】
一种自动密封排气管，它包括排气管，其特征是：所述排气管呈弧形台阶型，排气管的出口设有传感器和电磁阀。
【技术特征摘要】
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