Direct-reading liquid level instrument, liquid storage amount measuring device and liquid split charging equipment

The utility model provides a direct-reading liquid level instrument which comprises a liquid level display component, a fixing rod, a pointer element, a swing rod, a liquid level floating element and a connecting rod, a cavity is formed in the liquid level display component, and a liquid level reading area is arranged on the outer wall of the cavity; the fixing rod is connected with the liquid level display component; one end of the pointer element is inserted into the cavity, and the other end is connected with the oscillating rod; one end of the connecting rod is connected with the liquid level floating element, and the other end of the connecting rod is rotatably connected with the fixed rod and the oscillating rod at intervals; the liquid level floating element can move up and down along with lifting of the liquid level of the liquid in the external liquid storage container to drive the swing rod to swing left and right, so that the pointer element is driven to move in the cavity, and the storage amount o