因此，该自动充气装置可对轮胎进行自动充气，方便实用。
Therefore, the automatic inflation device can automatically inflate the tire and is convenient and practical.
本实用新型公开了一种自动充气玩具气球，属于文体用品技术领域。
The utility model discloses an automatic inflatable toy balloon, which belongs to the technical field of stationery and sport goods and comprises an air chamber.
本实用新型利用自行车行进时车轮的转动对轮胎自动充气，其工作可靠，安装方便。
The utility model uses the rotation of bicycle wheels in the process of travelling to automatically inflate tyres. The utility model is reliable in operation and convenient in installation.
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