To provide a high pressure tank mounting structure which can secure vibration resistance performance when a vehicle travels and inhibit increase of an internal pressure of a high pressure tank when the vehicle is heated from the vehicle outer side.SOLUTION: A high pressure tank mounting structure 10 includes: a tank storage part 26; an under cover 54 including an upper member 56 provided at an area of a vehicle 12 below a high pressure tank 20 and forming a bottom wall of the tank storage part 26, and a lower member 58 disposed at an area of the vehicle 12 below the upper member 56, forming a space SP with the upper member 56, and including a vehicle lower side surface forming a part of a bottom surface of the vehicle 12; and a joint member 66 which is disposed in the space SP, joins the upper member 56 to the lower member 58 by a vehicle upper side end part being joined to a vehicle lower side surface of the upper member 56 and a vehicle lower side end part being joined to a vehicle upper side surface of the lower member 58, and melts by heating.SELECTED DRAWING: Figure 4
【課題】車両走行時の耐振動性能を確保しかつ車両が車両外側から加熱された際の高圧タンクの内圧の上昇を抑制できる高圧タンク搭載構造を提供する。【解決手段】高圧タンク搭載構造10として、タンク収容部26と、高圧タンク20の車両下方側に設けられると共にタンク収容部26の底壁を形成する上側部材56と、上側部材56の車両下方側に配置されると共に上側部材56との間に空間SPを形成し、車両下方側の面が車両12の底面の一部を形成する下側部材58と、を備えたアンダカバー54と、空間SPの内部に配置されると共に車両上方側の端部が上側部材56の車両下方側の面に接着されかつ車両下方側の端部が下側部材58の車両上方側の面に接着されることにより上側部材56と下側部材58を接合し、加熱されることにより溶融する接合部材66と、を備える。【選択図】図4
HIGH PRESSURE TANK MOUNTING STRUCTURE
高圧タンク搭載構造
2021-04-22
Patent
Electronic Resource
Japanese
IPC: | F17C Behälter zum Aufnehmen oder Speichern verdichteter, verflüssigter oder verfestigter Gase , VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B62D MOTOR VEHICLES , Motorfahrzeuge |