| 摘要 |
PROBLEM TO BE SOLVED: To provide a valve structure for a ball-game ball causing no damage to a ball by an air injection needle in air injection so as to facilitate air injecting operation for easy use and so as to prolong a ball life. SOLUTION: This valve 3 stuck to the inside face of a ball body 1a is provided with a block part 5 having a through hole 6, and in the block part, a valve rubber 8 is inserted into the through hole 6 so as to be clamped elastically. A cylindrical collision preventing part 15, with which a needle point is surrounded so as not to pierce a tube inside wall when the air injection needle 11 is inserted into a through hole 10 of the valve rubber, is integrally molded so as to protrude from the block part of the valve. In this way, the needle point is prevented from touching the tube, and damage to the ball can be prevented.
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