Petrol engine structure for portable digital generator set
A technology for gasoline engines and generator sets, which is applied in the direction of machines/engines, engine components, mechanical equipment, etc., and can solve problems such as difficulty in processing the inclined plane of the two half crankcases, difficulty in disassembly, maintenance and replacement of lubricating oil, and difficulty in guaranteeing processing quality, etc. , to achieve the effect of easy processing quality, simple structure and simple processing
Inactive Publication Date: 2010-11-10
郑胡铃
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Problems solved by technology
Although this scheme has some advantages, the disadvantages are also very obvious, mainly including: the inclined plane machining of the two halves of the crankcase is very difficult, and the processing quality is difficult to guarantee; because part of the combined tank surface is below the oil level, the sealing requirements of the combined box surface are relatively high ;Maintenance and disassembly are troublesome; the gear transmission mechanism is completely arranged in a closed crankcase, and its disassembly, maintenance and lubricating oil replacement are relatively difficult
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[0025] Such as figure 1 A gasoline engine structure for a portable digital generator set includes a crankcase composed of an upper case 1 and a lower case 17, a crankshaft 16, a piston 9 and a valve mechanism. The upper case 1 is provided with a cylinder liner 2, a cylinder head cover 36, and a spark plug 37. An organic oil dipstick 38 is provided on the lower case 17. The piston 9 is arranged in the cylinder liner 2 and is connected to the crankshaft 16 through a connecting rod body 10. The lubrication of the key parts of the crankshaft 16 is completed by the oil stirring plate 12 and the oil stirring gear 39.
[0026] Such as figure 1 , 2 , 3, 5 and 6, the upper box body 1 and the lower box body 17 have a horizontal assembly surface 171, and the horizontal assembly surface 171 and the central axis of the crankshaft 16 are located on the same level, which is easy to clamp and process during processing , The processing technology is simple, and the processing quality is easier ...
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The invention discloses a petrol engine structure for a portable digital generator set. The petrol engine structure comprises a crankshaft and a crank case, wherein the crank case consists of an upper case body and a lower case body, and the upper case body and the lower case body are both provided with a horizontally fitting surface respectively. The petrol engine structure overcomes the defects of troublesome processing, assembling and positioning and difficult maintenance of the conventional engine with inclined fitting surfaces. The petrol engine provides a power source, which is easy in processing, simple in assembly and disassembly and low in cost, for the portable digital generator set.
Description
Technical field [0001] The invention relates to a portable digital generator set, in particular to a gasoline engine structure for the portable digital generator set. Background technique [0002] Existing low-power gasoline engines used in portable digital generator sets mostly adopt a diagonally split crankcase structure. The crankcase of this solution includes two halves on the left and right, and a plane obliquely intersecting the axes of the two bearing holes separate. This structure belongs to the US patent US6250273 B1 of HONDA Company. Although this solution has some advantages, the disadvantages are also very obvious, mainly including: it is very difficult to process the inclined surfaces of the two halves of the crankcase, and the processing quality is difficult to guarantee; because part of the box surface is below the oil level, the sealing requirements of the box surface are higher. ; Maintenance and disassembly are troublesome; the gear transmission mechanism is c...
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IPC IPC(8): F02B63/04F02F7/00F01L1/34F01M13/00
Inventor 郑胡铃
Owner 郑胡铃