Single-well oil storage tank liquid level measuring device convenient to observe

The utility model relates to a single-well oil storage tank liquid level measuring device convenient to observe, which comprises an oil storage tank and a visible cabin body which are sequentially arranged from bottom to top, and the oil storage tank is separated from the visible cabin body through a supporting baffle plate; three liquid level display connecting rods are arranged in the oil storage tank, the height difference of the three liquid level display connecting rods is equal to the height of the visible cabin in sequence, the bottom end of each liquid level display connecting rod is connected with a buoyancy block, and the top end of each liquid level display connecting rod penetrates through the supporting baffle to be located in the visible cabin and is connected with a gasket; the heights of the liquid level display connecting rods are respectively the oil storage tank height, the oil storage tank height and the oil storage tank height; and the visual cabin is as high as the oil storage tank. The