| 摘要 |
A multi-functional jet pistol has a tubular body (40) with upper and lower openings communicating with each other, an air feed line (70) connected with both ends of the upper opening, an air nozzle tube (75) connected with both ends, a suction tube (65) connected with both ends of the lower opening of the tubular body and a dirt outlet tube (60) connected with these ends. There is: - an on/off valve unit (80) placed on the tubular body to control the supply of compressed air from the air feed line; - a shaft (10) arranged rigidly in the upper opening of the tubular body with connection of the air feed line to the air nozzle tube for the control of the flow direction of the compressed air; - a vacuum valve unit (50) located in the lower opening of the tubular body with connection of the suction tube to the dirt outlet tube, the vacuum valve unit being able to place the inner chamber of the dirt outlet tube and the suction tube under a vacuum; and - other features.
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