A split-type internal combustion engine combustion cylinder piston locking rebound device

Abstract

The invention relates to a piston control system for an internal combustion engine, in particular to a split-type internal combustion engine combustion cylinder piston locking and rebounding device, comprising: a working cylinder head, a camshaft located above the working cylinder head, a locking and rebounding device connected to the camshaft, The piston that penetrates the cylinder head of the working cylinder, the locking rebound device is located above the cylinder head of the working cylinder, including a locking part directly located on the upper surface of the cylinder head of the working cylinder and an unlocking part located above the locking part, and the two sides of the piston are arranged There is a piston connecting rod, the piston connecting rod jacket is provided with a piston rebound spring, and the top of the piston connecting rod is provided with a connecting rod cap. The locking and unlocking effect of the device of the invention is good, the response is timely, and a common control frequency can be maintained with other mechanisms of the internal combustion engine, so as to ensure the stable operation of the internal combustion engine. In addition, two unlocking springs are provided, the required unlocking force is reduced, the energy consumption is smaller, and the effect is strong.

Description

technical field [0001] The invention relates to a piston control system of an internal combustion engine, in particular to a split type internal combustion engine combustion cylinder piston locking rebound device. Background technique [0002] The output power of the internal combustion engine can be increased by increasing the compression ratio of the internal combustion engine, but as the air is compressed, the air temperature will rise, the greater the pressure, the greater the temperature rise, and when the compression is large, the temperature of the supercharged gas will also be very high High, high-temperature compressed air enters the combustion chamber, which can easily cause the engine combustion room to be too high, causing knocking and other failures, so it is difficult to further increase the compression ratio. For example, CN103967587A discloses a split-cylinder type two-stage compression engine, which divides gas compression and work into two parts to complete...

AI Technical Summary

Problems solved by technology

[0002] Increasing the compression ratio of the internal combustion engine can increase the output power of the internal combustion engine, but as the air is compressed, the air temperature will rise, the greater the pressure, the greater the temperature rise, and when the compression is large, the temperature of the supercharged gas will also be very high High, high-temperature compressed air enters the combustion chamber, which can easily cause the engine combustion room to be too high, causing knocking and other failures, so it is difficult to further increase the compression ratio

For example, CN103967587A discloses a split-cylinder type two-stage compression engine, which divides gas compression and work into two parts to complete, which solves the problem of excessive compression ratio, but the pressure in the combustion cylinder is very large in the actual process, which will It will cause great damage to the piston. The impact of multi-piston can be reduced by adopting the method of graded piston, but this method needs to periodically control the start and stop of the high-pressure piston

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