To secure sufficient sealability and achieve simple and high accuracy joint in a battery case for an electric vehicle.SOLUTION: In a manufacturing method of a battery case 100 for an electric vehicle, a frame defining a penetration space TH therein and a resin flat plate 150 are prepared and the flat plate 150 is disposed overlapping with the frame 110. A pressure is applied to the flat plate 150 from the opposite side of the frame 110 and the flat plate 150 is pressed against the frame 110 to be expanded in the penetration space TH. The action causes the flat plate 150 to be deformed into a bathtub-like tray 120, including a bottom wall 120a and a peripheral wall 120c provided at a peripheral edge of the bottom wall 120a and defining an opening 120b, and swaged to the frame 110.SELECTED DRAWING: Figure 9
【課題】電動車両用バッテリーケースにおいて、十分なシール性を確保するとともに簡易かつ高精度の接合を実現する。【解決手段】電動車両用バッテリーケース100の製造方法では、内側に貫通空間THを画定するフレームと、樹脂製の平板150とを準備し、平板150をフレーム110に重ねて配置し、フレーム110とは反対側から平板150に圧力を加え、フレーム110に平板150を押付けて貫通空間TH内で膨出させ、それによって平板150を、底壁120aと、底壁120aの周縁に設けられて開口部120bを画定する周壁120cとを備えるバスタブ状のトレイ120に変形させると共に、フレーム110にかしめ接合する。【選択図】図9
MANUFACTURING METHOD OF BATTERY CASE FOR ELECTRIC VEHICLE AND BATTERY CASE FOR ELECTRIC VEHICLE
電動車両用バッテリーケースの製造方法および電動車両用バッテリーケース
2021-04-22
Patent
Electronic Resource
Japanese
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
METHOD FOR MANUFACTURING ELECTRIC VEHICLE BATTERY CASE AND ELECTRIC VEHICLE BATTERY CASE
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|METHOD OF MANUFACTURING BATTERY CASE FOR ELECTRIC VEHICLE AND BATTERY CASE FOR ELECTRIC VEHICLE
European Patent Office | 2021
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