| 摘要 |
A foam washable urinal is provided to let a user to control the formation of foam with simple operation by forming the body of a foam generator with a transparent material. A foam washable urinal comprises a urinal body and a foam generator. The foam generator comprises an outer case(10), an inner case(20) with a bottom opened, a foam supply pipe(24) located at the upper part inside the inner case and projected from the lower side of the outer case to make the bottom connected to a foam housing of the urinal easily through the lower part of the outer case to provide a passage for supplying foam to the urinal, a water supply line(32) connected to a water supply unit(30) at one end and provided with a water quantity control valve(34) at the other end to supply water to the inside of the outer case, an air supply line(42) connected to an air supply unit(40) at one end, put in the inner case at the other end and provided with an air volume control valve(44) controlled manually and a check valve(46) for preventing a back flow from the inner case when the air supply unit stops, and a chemical supply line(52) connecting a chemical storage tank(50) to the inside of the outer case and provided with a chemical quantity control valve(54) having a transparent outer case to control the quantity of a chemical by controlling the open cross section of the chemical supply line with the manual rotation of a control pin(52a). |
