| 摘要 |
<p>A waste water tank of a portable multifunctional toilet is provided. The waste water tank is a container having a tank body, and is provided with a liquid level display structure and an exhaust valve. The display structure comprises a buoyant support that is provided in the tank body at a position where it can not be touched by a long and straight article such as a brush entered from the outlet of the tank, the buoyant support is rotated about a buoyant support shaft which serves as a pivot shaft, and is sealed at the pivot shaft; the display structure further comprises a cone wheel provided at a contour of a upper edge of the tank body; the buoyant support applies magnetic force to the cone wheel through a wall of the tank body, the cone wheel is rotated by the rotational motion of the buoyant support so as to display the amount and the height of the content; the exhaust valve is arranged at the front part of the contour on the same side of the display structure, at a position where it can be conveniently operated by a person sitting on the toilet, the valve is a self-sealing structure comprising a spring and a sealing plate inside a sealing plug, wherein a channel of the exhaust valve is opened by downwardly pressing an exhaust button.</p> |
