PUMP CASING, MANUFACTURING METHOD OF PUMP CASING, AND PUMP DEVICE

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 【課題】製造工程及び製造コストを低減可能なポンプケーシング、ポンプケーシングの製造方法及びポンプ装置を提供すること。【解決手段】ポンプ装置１に用いられるポンプケーシング２３は、樹脂材料により成形され、羽根車２２を収容するポンプ室３３の一部を構成するとともに、モータ１１が固定される第１部材２５と、樹脂材料により成形され、ポンプ室３３の他部を構成し、第１部材２５と一体に組み立てられることでポンプ室３３を構成する前記第２部材２６と、モータ１１を固定する締結部材１３と締結する被締結部材４２と、第１部材２５及び第２部材２６の対向する対向面の一方に設けられ、被締結部材４２を配置する凹部４１ｂと、を備える構成とする。【選択図】図１