| 摘要 |
PURPOSE: A water-saving toilet stool is provided, which washes the inner of a bowl by draining wastewater contained a bowl by gravity and reduces the amount of water used. CONSTITUTION: A water-saving toilet stool comprises; a water tank (1) having a water-service opening (10) on the bottom; a bowl (2), which forms a containing-water part (20) connected to a water-service opening (10) of a water tank (1) and a straight channel (21) on the front and the rear and a primary drainage channel (22) inclined downward to a containing-water part (20) and a secondary drainage channel (24) connected to a primary drainage channel (22) and a straight channel (21) through a drain outlet (23); a movable lever (4) which moves together with a drainage lever (3) of a water tank (1); a water-service opening packing(5) and a drain outlet packing (6) which opens a water-service opening (10) and a drain outlet (23) separately by connecting to the middle and end of a movable lever (4) separately and operating a drainage lever (3). According to this composition, sediment such as urine and feces is deposited concentrating on the end of a primary drainage channel (22) and is drained naturally to a downward-inclined primary drainage channel, therefore washing in water is possible with little quantity of water and the amount of water used is reduced.
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