The invention discloses an exhaust structure for a national VI automobile fuel tank and the fuel tank. The exhaust structure comprises an upper cover, wherein a slot connected with the fuel tank is formed in the upper cover, the upper cover is hermetically welded with the upper cavity, a main through hole is formed in the bottom of the upper cavity, an involute spiral wall is arranged in the uppercavity, a baffle is arranged in the upper cavity, the baffle is connected with the involute spiral wall to divide the upper cavity into two areas, namely a first buffer area and a second buffer area,a connector is arranged on a side face of the first buffer area, auxiliary through holes are formed in the first buffer area, an exhaust port is formed in a side edge of the second buffer area, the second buffer area is provided with a lower low wall, the low wall surrounds an inlet of the exhaust port, and a lower cavity is arranged below the upper cavity. The exhaust structure is advantaged inthat refueling exhaust and working exhaust are effectively combined, liquid accumulation is reduced, and exhaust is smooth.

    本发明公开了用于国六汽车燃料箱的排气结构及燃料箱:包括上盖,所述上盖布置有与燃料箱连接的插槽;所述上盖与上腔体密闭焊接,所述上腔体底部布置有主通孔;所述上腔体内布置有渐开螺旋墙;所述上腔体内布置有挡板,所述挡板与所述渐开螺旋墙连接将所述上腔体分割成两个区域:第一缓冲区,第二缓冲区,所述第一缓冲区侧面布置有接口;所述第一缓冲区布置有副通孔;所述第二缓冲区侧边缘布置有排气口;所述第二缓冲区布置有较低的矮墙,所述矮墙将所述排气口的进口包围;所述上腔体下方布置有下腔体。该技术方案有效合并加油排气和工作排气,减少液体积聚,排气通畅。


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    Title :

    Exhaust structure for national VI automobile fuel tank and fuel tank


    Additional title:

    用于国六汽车燃料箱的排气结构及燃料箱


    Contributors:
    GU FENG (author)

    Publication date :

    2020-05-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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



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