Engine, cylinder sleeve, cylinder cover and sealing structure for cylinder sleeve and cylinder cover

A sealing structure and cylinder liner technology, which is applied to the sealing device of the engine, engine components, machines/engines, etc., can solve problems such as water entering the cylinder hole, failure of the cylinder head gasket, and the impact of the cylinder head gasket on the sealing effect of the engine.

Inactive Publication Date: 2019-08-27
WEICHAI POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Most engines on the market use cylinder head gaskets to seal between the body and the cylinder head, and the cylinder head gasket has strict requirements on environmental factors such as surface pressure, temperature, and flatness. The fluctuation of the axial force of the bolt may cause the failure of the cylinder head gasket. Once the cylinder head gasket fails, it will affect the sealing effect of the engine
However, the cylinder head gasket is in a high-temperature and high-pressure environment for a...

Method used

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  • Engine, cylinder sleeve, cylinder cover and sealing structure for cylinder sleeve and cylinder cover
  • Engine, cylinder sleeve, cylinder cover and sealing structure for cylinder sleeve and cylinder cover
  • Engine, cylinder sleeve, cylinder cover and sealing structure for cylinder sleeve and cylinder cover

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Embodiment Construction

[0023] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that the application of the sealing structure of the cylinder liner and the cylinder head in the present invention to the engine is only a preferred embodiment, and is not a limitation of the scope of application of the sealing structure of the cylinder liner and the cylinder head of the present invention. For example, the cylinder liner and the cylinder head of the present invention The sealing structure of the cyl...

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Abstract

The invention relates to the technical field of engines, in particular to an engine, a cylinder sleeve, a cylinder cover and a sealing structure for the cylinder sleeve and the cylinder cover. The sealing structure for the cylinder sleeve and the cylinder cover aims to solve the technical problem that a leakage phenomenon easily occurs between an existing engine shell and a cylinder sleeve. The sealing structure for the cylinder sleeve and the cylinder cover comprises an external thread and a first assembly hole, wherein the external thread is arranged at one end of the cylinder sleeve, and the first assembly hole is formed in the cylinder cover; an internal thread matched with the external thread is arranged on the inner wall of the first assembly hole; and the cylinder sleeve and the cylinder cover are connected through the matching between the external thread and the internal thread. According to the engine, the cylinder sleeve, the cylinder cover and the sealing structure for the cylinder sleeve and the cylinder cover, an engine shell and the cylinder sleeve are connected through the internal thread and the external thread, so that the sealing reliability between the engine shell and the cylinder sleeve can be improved, and the phenomenon that the sealing effect of the engine is poor due to the conditions of the temperature fluctuation of the engine or the pressure fluctuation in the engine can be reduced.

Description

technical field [0001] The invention relates to the technical field of engines, in particular to an engine, a cylinder liner, a cylinder head, and a sealing structure between the cylinder liner and the cylinder head. Background technique [0002] This section provides background information related to the present disclosure only and is not necessarily prior art. [0003] Most engines on the market use cylinder head gaskets to seal between the body and the cylinder head, and the cylinder head gasket has strict requirements on environmental factors such as surface pressure, temperature, and flatness. The fluctuation of the axial force of the bolt may cause the failure of the cylinder head gasket. Once the cylinder head gasket fails, it will affect the sealing effect of the engine. However, the cylinder head gasket is in a high-temperature and high-pressure environment for a long time. The high-temperature and high-pressure environment will pose a severe test to the axial forc...

Claims

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Application Information

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IPC IPC(8): F02F1/00F02F1/24F02F11/00
CPCF02F1/004F02F1/24F02F11/002F02F11/005
Inventor 张红雨蔡强胡琦山赵文彬
Owner WEICHAI POWER CO LTD
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