| 摘要 |
The purpose of the present invention is to provide a manual water pump, lifting underground water without separate priming water. The manual water pump comprises: a bent pipe member; an external force application member; and a pressing member. The bent pipe member comprises: an inlet side check valve; and an outlet side check valve. The inlet side check valve is positioned in a lower portion of the bent pipe member. The external force application member comprises: a support; a lever rotation unit; a lever; and a lever rotation unit piston connection unit. The pressing member comprises: a cylinder; a piston; a piston protruding unit; and a sealing member. |
