Engine cover with good sound-insulating and high-temperature-resisting property

Abstract

The invention relates to an engine cover with good sound-insulating and high-temperature-resisting property. The cover comprises a honeycomb composite material layer, a sound-insulating aluminum filmlayer arranged on the upper portion of the honeycomb composite material layer, a glass fiber fabric resin composite material layer arranged on the upper portion of the sound-insulating aluminum film layer, an upper non-woven fabric layer and a lower non-woven fabric layer, wherein the upper non-woven fabric layer and the lower non-woven fabric layer are arranged at the top of the glass fiber fabric resin composite material layer and the bottom of the honeycomb composite material layer correspondingly. According to the engine cover with the good sound-insulating and high-temperature-resisting property, structural design is reasonable, the honeycomb composite material layer and the sound-insulating aluminum film layer are arranged so that the structure can have the good effects of sound absorption and insulation, heat transmission blocking and heat resistance, and the sound-insulating aluminum film layer and the glass fiber fabric resin composite material layer are arranged so that the structure can overall have the good effects of pressure resistance, shock resistance and tearing resistance; and the engine cover can meet the lightweight requirements of automobile industries, convenience and practicability are achieved, and the engine cover is suitable for further application and popularization.

Description

technical field [0001] The invention relates to the technical field of structural design of an engine cover, and more specifically relates to an engine cover with better sound insulation and high temperature resistance. Background technique [0002] The engine cover is mainly used to protect the engine, reduce mechanical damage and prevent dust and water. Its structure is generally composed of an outer panel and an inner panel, with heat insulating materials in the middle. The geometric shape is selected by the manufacturer, which is basically a skeleton form. However, the outer plate and the inner plate of the common engine cover on the existing market are all made of plastic material, which has the following defects: (1) high temperature is generated in the engine compartment when the engine is working, and the plastic material is prone to deformation, thereby affecting the engine cover. The protective effect of the cover on the engine; (2) The sound absorption function of...

AI Technical Summary

Problems solved by technology

However, the outer plate and the inner plate of the common engine cover on the existing market are all made of plastic material, which has the following defects: (1) high temperature is generated in the engine compartment when the engine is working, and the plastic material is prone to deformation, thereby affecting the engine cover. The protective effect of the cover on the engine; (2) The sound absorption function of plastic materials is poor, and the noise generated by the engine cannot be effectively isolated

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