A one-way pump

Abstract

The utility model relates to the field of toys, especially a one-way pump. The one-way valve includes bottom shell, the bottom of bottom shell is equipped with liquid inlet and vent, the top of bottom shell is inserted with the connecting block, the connecting block is equipped with through -hole, the top of connecting block is covered with top shell, the top of top shell is equipped with liquid outlet, the top and bottom of connecting block all are equipped with recess, recess and bottom shell and top shell all form the installation cavity between, the first one-way valve core is equipped in liquid inlet, the second one-way valve core is equipped in liquid outlet. The utility model provides a one-way pump, has the advantages that the structure is simple, and can suck bubble liquid.

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