| 摘要 |
PURPOSE: A check valve for a pump is provided to install an elastic spring controlling a valve in the inside of an operation tube, thereby maintaining a smooth flow of a fluid. CONSTITUTION: A check valve for a pump comprises a tube body(20), a support unit(30), a plurality of supporting ribs, and an opening/closing unit. The tube body is formed into a hollow structure and an inlet is formed in the lower part of the tube body and an opened portion is formed in the upper part of the tube body and a coupling unit is formed in the outer circumference of the tube body. The supporting unit is coupled to the opened portion of the tube body to be detachable. The supporting ribs are formed in the inner circumference of the supporting unit. The opening/closing unit is installed in the supporting ribs, thereby opening or closing the inlet.
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