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Cam plate of engine

A cam disc and engine technology, which is applied to engine components, machines/engines, mechanical equipment, etc., can solve the problems of difficult processing of camshafts and excessive axial dimensions of the engine, and achieves reduced processing difficulty, simple structure, and reduced parts. effect of quantity

Active Publication Date: 2014-02-12
CHINA HANGFA SOUTH IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a cam disc of an engine to solve the technical problems of the existing engine with too large axial dimension and difficult machining of the camshaft

Method used

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  • Cam plate of engine
  • Cam plate of engine

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Embodiment Construction

[0023] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0024] see figure 1 with figure 2 , a cam disc of an engine, including a circular disc body 1, a shaft mounting hole 2 is arranged at the center of the disc body 1, and the middle part of the disc body 1 protrudes in the axial direction of the disc body 1 around the shaft mounting hole 2 There is an annular flange 21, which makes the cam plate more stable after being assembled, especially to prevent twisting. Preferably, the engine cam disc is an alloy steel forging, which greatly ensures the hardness and strength of the cam disc. Preferably, a bronze bushing 8 is arranged in the shaft installation hole 2 , and the bronze bushing 8 is interference-fitted with the shaft installation hole 2 so that the bronze bushing 8 and the shaft installation ho...

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Abstract

The invention provides a cam plate of an engine. The cam plate comprises a plate body (1), wherein a shaft mounting hole (2) is arranged on the central position of the plate body (1); the periphery of the plate body (1) is provided with at least one front cam wheel (4) and at least one rear cam wheel (5) along the radial direction at intervals; and the front cam wheel (4) and the rear cam wheel (5) are crisscrossed arranged along the axial direction of the plate body (1). The cam plate of the engine provided by the invention is of a cam plate structure, i.e., the front and rear rows of cam wheels of the cam plate are closely arranged without arranging cam shafts, thus the axial size of the engine can be largely shortened, and the engine size cannot be obviously changed when the number of cylinders is increased; as the cam plate can be processed and molded as a whole, so the processing difficulty can be greatly reduced and the process is relatively simple.

Description

technical field [0001] The invention relates to the field of engines, in particular to an engine cam disc. Background technique [0002] At present, most of the valve trains of piston engines are equipped with camshafts, including lower camshafts and upper camshafts. The existing horizontally opposed piston aero-engine adopts an overhead cam structure, and the camshaft is forged from chrome-nickel steel, which is an integral camshaft. There is a driving governor gear at the front end of the camshaft, 9 cams in the middle, 6 exhaust cams and 3 intake cams, and a driving camshaft gear at the rear end. The crankshaft is installed in the four supporting holes on the left and right casings; the camshaft is driven by the crankshaft through the crankshaft gear and the left intermediate gear, and its rotation direction is opposite to that of the crankshaft. The gas distribution phase does not need to be adjusted. When the engine is assembled, the camshaft, left intermediate gear a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01L1/047F01L1/08
Inventor 林智慧王志强滕建亮胡头秀叶克贝
Owner CHINA HANGFA SOUTH IND CO LTD