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car cover

A tile cover and automobile technology, which is applied to cylinder heads, cylinders, engine components, etc., can solve problems such as shrinkage cavities, risers that cannot be fed, narrow process adaptability, etc., and achieve the effect of improving product quality

Active Publication Date: 2016-08-17
JIANGSU HENGYI IND TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Through the analysis of the cast-in-place system, it is found that the size of the gate is too small, and the modulus is only 0.357. The gate may be closed early, so that the riser can not play the role of feeding, and it is connected with the casting to form a contact heat joint. , the adaptability range of the production process is very narrow, the process is difficult to control in mass production, and shrinkage defects are easy to form

Method used

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Embodiment Construction

[0012] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail.

[0013] Such as figure 1 As shown, the automobile tile cover of the present invention includes a housing 1, a first bolt hole 2, a fixing hole 3, a second bolt hole 4, and a positioning pin hole 5, and the first bolt hole 2 and the second bolt hole 4 are respectively located in the housing 1. The positioning pin hole 5 is located between the first bolt hole 2 and the second bolt hole 4 on both sides, and the fixing hole 3 is located in the positioning pin hole 5 .

[0014] The diameter of the first bolt hole 2 is the same as that of the second bolt hole 4 , and the diameters of the first bolt hole 2 and the second bolt hole 4 are larger than the diameter of the positioning pin hole 5 .

[0015] The top surface of the housing 1 is arc-shaped, and the other three surfaces are straight line...

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Abstract

The invention discloses an automobile tile cover, which comprises a shell, a first bolt hole, a fixing hole, a second bolt hole, and a positioning pin hole. The first bolt hole and the second bolt hole are respectively located on both sides of the shell, and the positioning The pin hole is located between the first bolt hole and the second bolt hole, and the fixing hole is located in the positioning pin hole. The process of the automobile tile cover of the invention can be precisely controlled during mass production, and shrinkage cavity defects will not be formed.

Description

technical field [0001] The invention relates to a tile cover, in particular to an automobile tile cover. Background technique [0002] Tile products are thick-walled castings on heavy trucks, with an annual demand of nearly 100,000 pieces. The tiles of traditional automobiles are made of nodular cast iron. Each tile is fixed on the cylinder block with two bolts for combined processing, which is not interchangeable. The accuracy has become the bottleneck of the engine, especially in recent years. In order to reduce exhaust pollution, turbochargers are generally added to automobile engines, and the original design of the tile cover is too thin, and its precision can no longer adapt. [0003] In order to achieve the strategy of sustainable development, automobiles must achieve the goals of energy saving and environmental protection, and reducing the weight of automobiles is an important measure. In order to reduce the weight of the car, it is necessary to reduce the weight of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02F1/00
Inventor 鞠小平万小民张伟鞠平朱旭宏
Owner JIANGSU HENGYI IND TECH CO LTD
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