CN2462077Y

CN2462077Y - Wholly separating lubricating system of two-stroke engine

Info

Publication number: CN2462077Y
Application number: CN 00255209
Authority: CN
Inventors: 李静
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-09-28
Filing date: 2000-09-28
Publication date: 2001-11-28
Anticipated expiration: 2010-09-28

Abstract

The utility model relates to a completely separated lubricating system for a two-stroke engine. In a body of the utility model, a cylinder wall is provided with a plurality of oil inlet holes, machine oil is injected in an oil ring on a piston, a piston ring and the small end of a connecting rod are lubricated via an oil passage between an oil ring groove and a piston pin hole; on the lower part, a left and a right bearings and the big end of the connecting rod are lubricated via an oil collecting plate and the oil passage. The completely separated lubricating system enables the machine oil to carry out the lubrication purposefully, and the machine oil consumption is little; because the machine oil is not mixed in a combustion chamber to be combusted any longer, like a four-stroke engine, pure gasoline is only combusted inside a cylinder, the pollution is little, and the exhausted gas of a two-stroke engine can not generate blue smoke.

Description

Two stroke engine separates lubrication system fully

The utility model relates to the lubrication system that a kind of two stroke engine is used.

At present, in the known two stroke engine lubrication system, all some machine oil is squeezed in the Carburetor with after gasoline mixes, and participates in burning in cylinder, so Oil Consumption is big, pollutes highly, and smoking of the exhaust is many.

The purpose of this utility model provides a kind of two stroke engine and separates lubrication system fully, and it is little that native system has Oil Consumption, lubricates, pollute little, the characteristics that the smoking of the exhaust amount significantly reduces.

The purpose of this utility model is achieved in that at crankcase position installation oil-collecting disk, casing and bent axle have oil leab, the connecting rod two ends are connecting crank and piston respectively, have piston pin hole on the piston, and connecting rod is connected with piston with wrist pin, compression ring not only is housed on the piston of this two stroke engine, but also have oil ring groove, oil ring is installed in the oil ring groove, oil ring enters the hole from casing wall machine oil and collects lubricant oil, a part of lubricating piston-ring of collected lubricant oil and cylinder wall, another partly flows on the wrist pin along the oil duct between oil ring groove and piston pin hole, lubricated connecting rod small end and wrist pin, piston are that oil-collecting disk lubricating system by present maturation solves with the moving parts of bottom.

Owing to adopt such scheme, machine oil no longer is blended in gasoline and participates in burning in the cylinder, pure gasoline only burns in the four stroke engine cylinder, so pollute little, can make two stroke engine no longer emit blue smoke, so Oil Consumption is little, because of the lubricated position supply of needs all be fresh machine oil, so parts life-span is more durable.

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a structural representation of the present utility model.

Among the figure 1, sump; 2, oil pump; 3, shunt; 4, left bearing; 5, right bearing; 6, left oil-collecting disk; 7, right oil-collecting disk; 8, oil inlet hole; 9, oil ring groove internal oil channel; 10, oil ring; 11, go up compression ring; 12, lower air ring; 13, left bearing oil duct; 14, right one-way valve; 15, left one-way valve; 16, crank oil duct.

In Fig. 1, squeeze into shunt (3) by the machine oil that sump (1) comes by oil pump (2), machine oil divides two-way, the right one-way valve (14) of leading up to enters left bearing oil duct (13), lubricated left bearing (4) enters crank oil duct (16) by left oil-collecting disk (6) again, thereby lubricated connnecting rod big end is again by the lubricated left bearing (5) of right oil-collecting disk (7), several casing wall oil inlet holes (8) are squeezed into by left one-way valve (15) in another road, collect through oil ring (10), thereby reaching, lubricated casing wall goes up compression ring (11) and lower air ring (12), a part of machine oil in the oil ring groove by and piston pin hole between oil duct (9) come lube pistons pin and connecting rod small end, separate lubricated purpose thereby reach fully.

Claims

1. a two stroke engine separates lubrication system fully, oil-collecting disk is installed at the crankcase position, casing and bent axle have oil leab, the connecting rod two ends are connecting crank and piston respectively, has piston pin hole on the piston, and with wrist pin connecting rod is connected with piston, compression ring is housed on the piston, it is characterized in that: have oil ring groove on the piston of two stroke engine, oil ring is installed in the oil ring groove, oil ring enters the hole from casing wall machine oil and collects lubricant oil.

2. two kinds of journey motors according to claim 1 separate lubrication system fully, it is characterized in that: have oil duct to communicate between oil ring groove and piston pin hole.