The invention discloses an all-terrain vehicle. The all-terrain vehicle comprises a frame; a vehicle body cover; a walking assembly; the power assembly comprises an engine; the engine comprises an ignition mechanism, a crankcase and an oil pan connected to the crankcase, the crankcase comprises an oil baffle plate, an oil return hole is formed in the oil baffle plate, and the oil return hole is formed in a projection plane perpendicular to the ignition mechanism. The projection area of the oil return hole on the projection plane in the axis direction of the ignition mechanism is a first projection area S1, and the projection area of the oil baffle plate on the projection plane in the axis direction of the ignition mechanism is a second projection area S2. The ratio of the first projection area to the second projection area is larger than or equal to 0.08 and smaller than or equal to 0.2. Through the arrangement, the integration degree of the engine is improved, the production cost of the all-terrain vehicle is reduced, meanwhile, the situation that oil pressure is insufficient in the climbing process of the all-terrain vehicle is avoided, and the traffic capacity of the all-terrain vehicle to difficult terrains is improved.

    本发明公开了一种全地形车,包括:车架;车身覆盖件;行走组件;动力组件,动力组件包括发动机;发动机包括点火机构、曲轴箱和连接至曲轴箱的油底壳,所述曲轴箱包括挡油板,所述挡油板上形成有回油孔,在一个垂直于所述点火机构的投影平面上,所述回油孔沿所述点火机构的轴线方向在所述投影平面上的投影面积为第一投影面积S1,所述挡油板沿所述点火机构的轴线方向在所述投影平面上的投影面积为第二投影面积S2,所述第一投影面积和所述第二投影面积的比值大于等于0.08且小于等于0.2。通过上述设置,提升了发动机的集成化程度,降低了全地形车的生产成本,同时,避免了全地形车在爬坡过程中油压不足的情况,提升了全地形车对困难地形的通行能力。


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    Titel :

    All-terrain vehicle


    Weitere Titelangaben:

    全地形车


    Beteiligte:
    YAN XIONG (Autor:in) / LOU FENG (Autor:in) / LI ZHICHAO (Autor:in) / YANG CHEN (Autor:in)

    Erscheinungsdatum :

    2024-02-06


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / F01M Schmierung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , LUBRICATING OF MACHINES OR ENGINES IN GENERAL / F02F CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES , Zylinder, Kolben oder Gehäuse für Brennkraftmaschinen



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