Single-cylinder diesel engine

Abstract

The invention discloses a single-cylinder diesel engine which is novel in structure. The single-cylinder diesel engine comprises a base, a cylinder body arranged on the base, an oil tank and a water tank. A cylinder cover matched with the cylinder body is arranged on the cylinder body. A cylinder sleeve is fixedly arranged in the cylinder body through screws. A piston is arranged in the cylinder sleeve in a sliding mode. The lower end of the piston is connected with a crank mechanism through a connecting rod, wherein the crank mechanism is arranged inside the lower end of the cylinder body. A cylinder gasket is arranged between the cylinder sleeve and the cylinder cover. A cooling water cavity is formed between the middle of the cylinder sleeve and the cylinder body and communicated with the water tank through a connecting pipe. A plurality of annular reinforcing ribs are arranged on the cylinder sleeve in the cooling water cavity. A guiding base, a sliding rod, a buoy and a floater are all arranged in a buoy cavity. A cover is arranged at a water adding opening. A plurality of ventilation holes are evenly formed in the cover.

Description

technical field [0001] The invention relates to a single-cylinder diesel engine. Background technique [0002] The single-cylinder diesel engine is favored by the majority of users for its light weight, small size, simple structure and convenient maintenance. In the single-cylinder diesel engine, the cylinder liner and the piston constitute the most important friction pair when the diesel engine is running. Under the action of the combustion pressure of the cylinder, the sleeve will produce stress and deformation, which will seriously affect the working performance of the diesel engine. The over-tolerance of the geometric shape accuracy of the inner hole of the cylinder liner will cause the sealing performance between the cylinder liner and the piston to decrease, resulting in the economical efficiency of the diesel engine. , power, emissions and many other issues. Due to the need for a cooling water cavity between the existing cylinder liner and the cylinder body, the wall...

AI Technical Summary

Problems solved by technology

[0002] The single-cylinder diesel engine is favored by the majority of users for its light weight, small size, simple structure and convenient maintenance. In the single-cylinder diesel engine, the cylinder liner and the piston constitute the most important friction pair when the diesel engine is running. Under the action of the combustion pressure of the cylinder, the sleeve will produce stress and deformation, which will seriously affect the working performance of the diesel engine. The over-tolerance of the geometric shape accuracy of the inner hole of the cylinder liner will cause the sealing performance between the cylinder liner and the piston to decrease, resulting in the economical efficiency of the diesel engine. , power, emissions and many other issues

Due to the need for a cooling water cavity between the existing cylinder liner and the cylinder body, the wall thickness of the middle part of the cylinder liner cannot meet the requirements, and it is very easy to deform during use and has poor stability. At the same time, the diesel engine is produced by the instantaneous combustion of diesel in the cylinder. Chemical energy is converted into mechanical energy to push the piston to move, thereby pushing the crank mechanism to move. Existing diesel engines generally only have one air outlet. Damage the cylinder, or even explode, and the safety performance is poor. In addition, because the buoy of the existing single-cylinder diesel engine is directly exposed in the water inlet, it will cause a great impact on the buoy during the water filling process, causing the buoy, slide bar and water float Forcibly pressed down, the buoyancy of the water float will be deteriorated after long-term flushing, which will easily cause damage and reduce the service life of the buoy, slider and water float. During use, the boiling water in the water tank will easily pass through the filter. Splashing will reduce the water in the water tank quickly, and you need to add water frequently, which is easy to burn the people next to you, and it is very incomplete to use.

Can not meet the user's requirements

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