Engine cylinder head gasket and automobile engine
A technology for engine cylinders and cylinder gaskets, applied to engine components, machines/engines, engine sealing devices, etc., can solve problems such as poor sealing effect of cylinder gaskets
Active Publication Date: 2020-08-28
ZHEJIANG GEELY POWERTRAIN CO LTD
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- Description
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- Application Information
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Problems solved by technology
[0005] The object of the present invention is to provide an engine cylinder head gasket and an automobile engine to alleviate the problem of poor sealing effect of the cylinder head gasket in the prior art
Method used
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[0040] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0041] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...
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The invention provides an engine cylinder gasket and an automobile engine, and relates to the technical field of engines. The engine cylinder gasket comprises a cylinder gasket body; the cylinder gasket body comprises an upper gasket layer, a middle gasket layer and a lower gasket layer; the three layers of gaskets are riveted together; the cylinder gasket body is provided with a combustion chamber hole; a first sealing structure is arranged around the combustion chamber hole and is positioned between the upper gasket layer and the middle gasket layer; the upper gasket layer and the lower gasket layer are each provided with a total protruding rib around the combustion chamber hole; the total protruding rib of the upper gasket layer, the total protruding rib of the lower gasket layer and the first sealing structure are overlapped along the thickness direction of the cylinder gasket body to form a second sealing structure; the total protruding rib of the upper gasket layer, the total protruding rib of the lower gasket layer and the outer surfaces of the upper and lower gasket layers are each coated with a fluororubber coating; and the automobile engine comprises the engine cylinder gasket. The engine cylinder gasket and the automobile engine provided by the invention can mitigate the problem about the poor sealing effect of the cylinder gasket in the prior art.
Description
technical field [0001] The invention relates to the technical field of engines, in particular to an engine cylinder gasket and an automobile engine. Background technique [0002] With the continuous improvement of the explosion pressure of modern engines, the application of metal cylinder gaskets has become an inevitable trend. The cylinder gasket is a multifunctional gasket installed between the cylinder block and the cylinder head. It has three main functions: first, connecting the cylinder block and the cylinder head to transmit torque; second, adjusting the compression gap; third, sealing high temperature and high pressure Gas, coolant and lubricating oil. Due to the complex functions of the cylinder gasket and the harsh working conditions, it is often required that the cylinder gasket has extremely high mechanical strength and fatigue resistance, strong corrosion resistance and high temperature resistance, high resilience performance and the ability to maintain sealing...
Claims
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IPC IPC(8): F02F11/00
CPCF02F11/002
Inventor 余树翠田俊鹏袁爽沈源王瑞平
Owner ZHEJIANG GEELY POWERTRAIN CO LTD