Floating type liquid level meter

The utility model discloses a floating type liquid level meter. The floating type liquid level meter comprises a barrel body, the floating ball detection mechanism is used for detecting liquid level changes, the floating ball detection mechanism comprises a floating ball and a rotary measurement assembly, the floating ball is arranged in the liquid level in a floating mode, the rotary measurement assembly is arranged in the barrel, and the floating ball is connected with the rotary measurement assembly; and the sealing mechanism is arranged at the upper end of the cylinder body and is used for sealing and preventing leaked liquid from flowing into the cylinder body. According to the floating type liquid level meter, the floating principle of the floating ball is utilized, the rotating measuring assembly connected with the floating ball can collect the vertical lifting height of the floating ball, and therefore the change of the liquid level height is judged; the sealing mechanism arranged at the upper end of