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1·The invention discloses an inflating pump with a labyrinth seal.

一种有迷宫密封的打气泵。

2·The invention relates to a re-pressing type liquid feeder, which consists of an oil drum, a drum cover, an inflating pump, a spray gun and a liquid conveying pipe.

复压式液体供给器，由油桶、桶盖、打气桶、喷枪及液体输送管构成。

3·The exterior of the milk loading bottle is provided with an inflating pump. An air pipe of the inflating pump is communicated with the air bag of the milk loading bottle through an air valve.

盛奶瓶外设置有一个打气筒，其气管通过气门嘴与盛奶瓶中的气囊相连通。

4·The oil drum, the drum cover, the inflating pump, a main body of the spray gun and the liquid conveying pipe are made of plastics and a spray nozzle of the spray gun is made of metal materials.

油桶、桶盖、打气桶、喷枪的主体及液体输送管都是塑料制品，喷枪的喷嘴采用金属材料制造。