| 摘要 |
The object of the present invention is to provide an air injection hole which is applicable to all of the Dunlop type bicycle tires and the Presta type bicycle tires without leakage of high-pressure compressed air. The object of the present invention is achieved by an air injection connector for a bicycle tire comprising a housing body including an outer screw part processed on the outer circumferential surface of the upper end thereof to be screwed to a general air gun, an inner screw part processed on the inner side of the outer screw part, a supporting stepped part formed on the inner bottom thereof, and an insertion hole penetrating the center of the supporting stepped part; a connection elastic body which is inserted into the housing body, of which a lower end portion is supported on the supporting stepped part, and which has an air path formed from top to bottom, wherein a small diameter connection air hole and a large diameter connection air hole are gradually expanded in a stepwise manner on the air path to simultaneously surround the outer periphery and the upper end portion of the air injection hole of the bicycle tire; and a compression nut which is screwed to the inner screw part of the housing body through a fastening screw part and has an air discharge hole formed at the center thereof to connect the air path. |
