| 摘要 |
PROBLEM TO BE SOLVED: To provide a pump casing capable of reducing the manufacturing processes and the manufacturing costs, and to provide a manufacturing method of the pump casing and a pump device.SOLUTION: A pump casing 23 used in a pump device 1 includes: a first member 25 molded by a resin material and forming a part of a pump chamber 33 which houses an impeller 22, the first member fixed with a motor 11; a second member 26 which is molded by the resin material, forms the other part of the pump chamber 33, and is integrally assembled to the first member 25 to form the pump chamber 33; fastened members 42 fastened to fastening members 13 which fix the motor 11; and recessed parts 41b provided at one of facing surfaces of the first member 25 and the second member 26, the recessed parts arranged with the fastened members 42 respectively.SELECTED DRAWING: Figure 1 |
