The invention relates to an engine lower protection plate which comprises a lower protection plate body with an air inlet hole, a flow guide channel is arranged on the lower protection plate body, the initial end of the flow guide channel is communicated with the air inlet hole, a first guide plate is arranged at the tail end of the flow guide channel, and the first guide plate is obliquely arranged relative to the lower protection plate body. The end, close to the air inlet, of the first guide plate is connected with the lower protection plate body, the other end of the first guide plate inclines upwards and is used for guiding cooling airflow to the position above the lower protection plate body, the lower protection plate body is further provided with a first drainage hole, and the flow guide channel is located between the first drainage hole and the air inlet. The independent flow guide channel is arranged, cooling airflow is guided to the engine cabin through the first flow guide plate, the influence of heat damage in the engine cabin is reduced, meanwhile, exhausted hot air can flow out of the engine through the first flow drainage hole, and compared with the prior art, cost is saved, additional devices do not need to be added, and light weight of an automobile is facilitated.

    本发明涉及一种发动机下护板,包括带有进气孔的下护板本体,所述下护板本体上设有导流通道,所述导流通道的始端与进气孔相连通,所述导流通道的末端带有第一导向板,所述第一导向板相对于所述下护板本体倾斜布置,所述第一导向板靠近所述进气孔的一端与下护板本体连接,另一端倾斜向上,用于将冷却气流导向所述下护板本体的上方,所述下护板本体上还设有第一泄流孔,所述导流通道位于所述第一泄流孔和进气孔之间。本发明设置了独立的导流通道,通过第一导流板将冷却气流导流至发动机机舱,降低了发动机舱内热害的影响,同时,排出的热气可通过第一泄流孔流到发动机外部,相比于现有技术,节约了成本,且无需增加额外的装置,有利于汽车的轻量化。


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    Title :

    Lower protective plate of engine


    Additional title:

    一种发动机下护板


    Contributors:
    LIU BIN (author) / FENG YANYAN (author) / ZAN JIANMING (author)

    Publication date :

    2022-04-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / 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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