| 摘要 |
<p>An air hose assembly for a portable tire pump and having the dual function of air inflation and pressure release, which utilizes the same air hose structure to perform tire inflation and pressure release without the need to remove the air hose during pressure release, so as to eliminate the problem of the user having to press the air nozzle core of the tire with a pointed object or with his finger to release the tire pressure when the tire is over-inflated. Besides, the pressure is released quickly to arrive at a normal pressure level.</p> |
