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Cam shaft and rocker shaft supporting seat of overhead cam shaft type engine

A technology of camshafts and support seats, which is applied in the direction of engine components, machines/engines, valve devices, etc., can solve the problems of increasing procedures and manufacturing costs, and achieve the effects of simplifying the manufacturing process, good lubrication and cooling effects, and reducing manufacturing costs

Inactive Publication Date: 2011-04-20
CHONGQING LONCIN MOTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an improved camshaft and rocker shaft supporting seat of an overhead camshaft type engine, so as to solve the problem of processing the fuel injection on the cylinder head of the existing engine equipped with integral camshaft and rocker shaft. holes, increasing the process and manufacturing cost issues

Method used

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  • Cam shaft and rocker shaft supporting seat of overhead cam shaft type engine
  • Cam shaft and rocker shaft supporting seat of overhead cam shaft type engine
  • Cam shaft and rocker shaft supporting seat of overhead cam shaft type engine

Examples

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with drawings and embodiments.

[0014] like Figure 1 to Figure 4 As shown, the camshaft and rocker shaft support seat of an overhead camshaft type engine, the camshaft 2 and the rocker arm 3 have been installed on the support seat 1, and the support seat 1 is independent of the cylinder head and the cylinder head. Integral forming member, rocker arm support seat holes and camshaft holes are provided on the support base 1, the bolt holes 4 at the four corners of the support base 1 correspond to the positions of the bolt holes on the cylinder head and the cylinder head, and the position of the bolt holes on the support base 1 The upper end surface of the upper end is integrally formed with a bridge-type connecting beam 11, and the connecting beam 11 is provided with a branch oil passage 12 and an oil injection hole 13, and the branch oil passage 12 communicates with the main oil passage on the support ...

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Abstract

The invention relates to a cam shaft and rocker shaft supporting seat of an overhead cam shaft type engine. The supporting seat (1) is an integrally formed member independent of a cylinder head and a cylinder cover; a rocker supporting seat hole and a cam shaft hole are formed on the supporting seat (1); bolt holes (4) of four corners of the supporting seat (1) correspond to the bolt hole positions on the cylinder head and the cylinder cover; a cross-bridge type connecting beam (11) is integrally formed on the upper end face of the supporting seat (1) and provided with a branch oil passage (12) and an oil spray hole (13); a main oil passage on the supporting seat (1) is communicated with the oil spray hole (13) by the branch oil passage (12); and an oil outlet of the oil spray hole (13) is opposite to the position of a cam (5) on a cam shaft (2). In the supporting seat, the oil spray hole is not needed to be formed on the cylinder cover, so that the manufacturing process of the cylinder cover is simplified, and the supporting seat contributes to reducing the manufacturing cost of the cylinder cover.

Description

technical field [0001] The present invention relates to an engine part, specifically refers to the part used to support the camshaft and the rocker arm shaft on the engine. Background technique [0002] There are two types of structures used to support the camshaft and the rocker shaft on the existing overhead camshaft type engine: a split type and an integral type. [0003] The split structure is to process the upper and lower halves of the support part on the joint surface of the cylinder head and the cylinder head. During assembly, the upper and lower halves of the support part are combined to form a support seat hole. For the above-mentioned semi-shaped support part, when installing the camshaft and the rocker shaft, the cylinder head and the cylinder head need to be separated and then assembled, so the process is complicated, and the installation of the camshaft and the rocker shaft is inconvenient, which affects the production efficiency and increase Installation cost...

Claims

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Application Information

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IPC IPC(8): F01L1/053F01L1/18
CPCF01L2001/0476
Inventor 杨正靖彭林
Owner CHONGQING LONCIN MOTOR
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