| 摘要 |
PURPOSE: To lower the cost of a push-down head type liquid ejection pump and maintain a favorable pouring function by reducing the number of members as small as possible and achieving the simplification of manufacture. CONSTITUTION: A push-down head type liquid pouring pump is provided with a mounting cylindrical member 2 having a special structure, a valve-piston member 3, a push-down head 4 comprising a head cover 19 and a bottom plate member 20, and a globe type valve body 20 constituting a coiled spring 5 and a discharge valve. |
