| 摘要 |
PROBLEM TO BE SOLVED: To provide a nozzle for the device of washing floors, which can equalize the suction force at suction holes. SOLUTION: The device is approximately of an isosceles triangle and is in the form of a crushed box. Near the vertical angle inside the nozzle body there is a connector of a suction pump and near the bottom line there is a suction hole of filthy water. A measure for flow control that controls the suction force is set in the channel from the connector of the suction pump to the suction hole of filthy water.
|
