| 摘要 |
<p>An inflating valve used in an inflatable pneumatic tyre or a wheel rim without inner tube. It is characterized in that there is a non-return valve(5) in the chamber of the base(3). Wherein, the abutted surface between said base(3) and the inner side of the non-return valve(5) is conical. The valve can avoid the traffic accident caused by the sudden air pressure loss in the tyre resulting from breaking of the outside of the valve body(1), and can seal well.</p> |
