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Engine camshaft transmission

A transmission device and camshaft technology, which is applied to engine components, machines/engines, valve devices, etc., can solve the problems of inability to rotate synchronously, large transmission torque, and small wear, and achieve accurate transmission, large transmission torque, and small wear and tear. Effect

Inactive Publication Date: 2006-10-25
卢能晓
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AI Technical Summary

Problems solved by technology

[0005] The advantages of the present invention are: the transmission of the two crankshafts through the connecting rod has the advantages of small clearance, large transmission torque, small wear and long life, and the use of three evenly arranged crankshafts avoids the need for one crankshaft to reach the top and bottom of the connecting rod. At the stop point, the driven crankshaft lags behind the driving crankshaft and cannot rotate synchronously, which achieves the purpose of accurate transmission

Method used

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Embodiment Construction

[0010] combine figure 1 and figure 2 , the engine camshaft transmission of embodiment, comprise engine crankshaft 4 and camshaft 1, the crankshaft that is respectively provided with identical rotation diameter on engine crankshaft 4 and camshaft 1, is respectively driving crankshaft 5 and driven crankshaft 7, and crankshaft is three The roads are evenly arranged and distributed at 120°. Each corresponding two roads of the driving crankshaft 5 and the driven crankshaft 7 are connected by connecting rods. There are three connecting rods in total, namely the front connecting rod 6, the middle connecting rod 2, and the rear connecting rod pole 3.

[0011] Due to the arrangement of three connecting rods, the problem that the driven crankshaft lags behind the driving crankshaft and cannot rotate synchronously when one connecting rod reaches the upper and lower dead centers is avoided, and the purpose of accurate transmission is achieved.

[0012] There is a bearing between the co...

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Abstract

The invention is an engine camshaft drive device, comprising engine crank and camshaft, where they are provided with drive and driven cranks with the same rotating diameter, respectively, and there are three lines of cranks, uniformly arranged, and every two corresponding lines of two cranks are connected through link rod so that there are at least three link rods. And the driving mode of crank link rods has advantages of small gap, large driving moment, low wear and long service life. And the invention solves the synchronous rotation problem and thus achieves accurate drive.

Description

technical field [0001] This invention relates to engines, and in particular to improvements to camshaft drives. Background technique [0002] In the engine, there are two types of transmission devices between the crankshaft and the camshaft: a regular belt and a chain. The chain drive has a large gap, poor accuracy and high noise. It is generally used for small displacement engines, such as motorcycle engines; and the regular belt drive has a small gap. With the advantages of accurate transmission, large transmission torque and low noise, the timing belt transmission mode is mostly used for automobile engines. Due to wear, the timing belt needs to be replaced after a certain period of use. The timing belt is installed in the engine case and cannot be seen, and its wear cannot be judged. When it is damaged and broken, the engine cannot perform gas distribution and work, and it will cause damage to the valve of the engine. Just replace during normal use, time-consuming and l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01L1/12
Inventor 卢能晓
Owner 卢能晓
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