Float-type liquid level display device

The utility model relates to measuring technique, more specifically to a float-type liquid level measuring and display device. The fuel level of fuel and the water level of water are important parameters for large motor vehicles. When a glass pipe type or a lucite pipe liquid level display device is used on a motor vehicle, as fuel and water contain impurities, a layer of fouling is formed quickly on the inner faces of the glass and the plastic pipes so that the observation of liquid level is difficult. The utility model is a device which measures according to the law of Archimedes and displays fuel level according to the law of Hooke. The utility model is used for displaying fuel level in fuel tanks and water level in water tanks for large motor vehicles such as railway motor cars, etc.