FIXING STRUCTURE AND FIXING METHOD

To obtain a fixing structure which inhibits occurrence of metallic foreign objects and achieves reduction of costs, and to obtain a fixing method.SOLUTION: In a fixing structure, a resin case 11 and a motor housing 14 are fixed along a direction in which these component are moved close to each other...

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Bibliographische Detailangaben
Hauptverfasser: YAGI ARATA, SHIMIZU ISANORI
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:To obtain a fixing structure which inhibits occurrence of metallic foreign objects and achieves reduction of costs, and to obtain a fixing method.SOLUTION: In a fixing structure, a resin case 11 and a motor housing 14 are fixed along a direction in which these component are moved close to each other. The fixing structure includes: through holes 111a penetrating through the resin case 11; fixing pins 12 each including a shaft part 121 and a pressing part 122; pin receiving parts 112a each configured to support the pressing part 122; ventilation pipes 141 disposed at the motor housing 14 and each including an inlet 141a communicating with the through hole 111a, and a vent hole 141b opened to the outside; an O ring 13 sealing the inlet 141a side of the ventilation pipe 141; and a sealing valve 15. An internal pressure of an internal space S of the ventilation pipe 141 sealed by the O ring 13 and the sealing valve 15 is lower than an external pressure of the internal space S.SELECTED DRAWING: Figure 2 【課題】金属製の異物の発生を抑制するとともに、コストを低減する固定構造、及び固定方法を得ることを目的とする。【解決手段】固定構造では、樹脂製ケース11と、モータハウジング14と、を、互いが接近する方向に沿って固定する。固定構造は、樹脂製ケース11を貫通する貫通孔111aと、軸部121及び押圧部122を備える固定ピン12と、押圧部122を支持するピン受け部112aと、モータハウジング14に配置され、貫通孔111aに連通する入口141a及び外部に開口する通気口141bを備える通気配管141と、通気配管141の入口141aの側を封止するOリング13と、封止弁15と、を備えている。Oリング13と封止弁15とにより封止された通気配管141の内部空間Sの内圧は、内部空間Sの外圧よりも小さくなっている。【選択図】図2