CN2890352Y - Lubricant adding device of fuel-assisted vehicle engine - Google Patents
Lubricant adding device of fuel-assisted vehicle engine Download PDFInfo
- Publication number
- CN2890352Y CN2890352Y CN 200620072715 CN200620072715U CN2890352Y CN 2890352 Y CN2890352 Y CN 2890352Y CN 200620072715 CN200620072715 CN 200620072715 CN 200620072715 U CN200620072715 U CN 200620072715U CN 2890352 Y CN2890352 Y CN 2890352Y
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- China
- Prior art keywords
- oil
- oil pump
- pump
- crankcase
- motor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
A lubricant adding device of fuel-assisted vehicle engine is characterized in that: an oil pump is arranged on a left crankcase shell; the oil inlet pipe of the oil pump is connected with an oil tank; the pump shaft of the oil pump crosses the left crankcase shell and is connected with the middle gear shaft of a motor; a check valve is arranged in a right crankcase; the oil outlet pipe of the oil pump is connected with the check valve inlet; and the check valve outlet is communicated with the crankcase. According to the motor rotational speed and load changes, the utility model can add lubricating oil of different amount to the motor, effectively overcoming various maladies caused by excessive lubricating oil added the motors in prior art.
Description
(1) technical field: the utility model relates to the fuel bicycle two stroke engine, relates in particular to lubricant oil adding set wherein.
(2) background technique: existing fuel bicycle two stroke engine adopts the mode of Mixed lubrication, and lubricating oil is mixed in the fuel oil by a certain percentage, and the motor moving element is lubricated.Its shortcoming is that the mixed proportion of machine oil and fuel oil can not change with engine speed and load variations.Usually mix machine oil by maximum (top) speed and load.When fuel bicycle during in moderate duty and idling, can make motor be in the overlubricate state, cause the luxus consumption of machine oil, excessive machine oil is in company with oil inflame, cause the increase of harmful substance in the combustion gas, serious environment pollution, and make firing chamber, spark plug etc. locate serious carbon deposit, appearance can not normal ignition, engine overheat, piston ring scuffing aggravations and are stopped up consequence such as exhaust silencer.
(3) summary of the invention: at above-mentioned shortcoming, the applicant makes research and improves, abandon the Mixed lubrication mode, a kind of adding set of lubricant oil is provided, it can solve the technical problem of motor being added varying number lubricant oil with the rotating speed of motor and load variations.
The technical solution of the utility model is as follows: install oil pump on the left crankcase housing, the oil inlet pipe of oil pump is connected with fuel tank, and the housing that the pump shaft of oil pump passes left crankcase is connected with the intermediate gear shaft of motor; At right crankcase one-way valve is installed, the oil outlet tube of described oil pump connects the inlet of one-way valve, and crankcase is led in the outlet of one-way valve.The pump shaft of oil pump inserts the square groove of motor intermediate gear shaft termination by the housing that the square spigot of its termination passes left crankcase, and the pump shaft that constitutes oil pump thus is connected with the intermediate gear shaft of motor.
The utility model separates fuel oil with lubricating oil, device oil pump and one-way valve on crankcase, crankcase is added lubricant oil, because oil pump is connected with the intermediate gear shaft of motor, load increasing when motor, engine speed is accelerated, and the rotating speed of oil pump pump shaft is also accelerated, and oil pump is by corresponding the increasing of machine oil of one-way valve input crankcase.In like manner, when the load of motor and rotating speed reduced, the machine oil of input crankcase reduced, and so can effectively overcome in the prior art motor is added the excessive various disadvantages that cause of lubricating oil.
(4) description of drawings:
Fig. 1 is a structure External view of the present utility model;
Fig. 2 is the A-A sectional view of Fig. 1.
(5) embodiment:
See Fig. 1 Fig. 2, the oil pump 1 of on left crankcase housing 11, adding lubricating oil by two connecting bolts, 3 devices, end machining one square groove at motor intermediate gear shaft 8, device has bearing between intermediate gear shaft 8 and the left crankcase housing 11, change the bottom of this bearing hole into through hole by blind hole, the pump shaft of oil pump 1 passes this through hole by the square spigot of its termination, insert in the described square groove of motor intermediate gear shaft 8 terminations, so realize the pump shaft of oil pump 1 and being connected of intermediate gear shaft 8.See Fig. 1, figure section line district is the right crankcase 10 shown in the partial cutaway.Process a through hole at the sidewall of right crankcase 10, one-way valve 5 is installed in through hole, the oil inlet pipe 4 of oil pump 1 is connected with fuel tank 6, and its oil outlet tube 2 connects the inlet of one-way valve 5, and right crankcase 10 is led in the outlet of one-way valve 5.The grease channel of left crankcase and right crankcase communicates, and its structure with prior art is identical.
The utility model working procedure: see Fig. 1 Fig. 2, bent axle 7 rotations of motor, when clutch 9 reaches in conjunction with rotating speed, the gear of clutch drives the wheel shaft 8 of intermediate gear by driving gear, drives oil pump 1 and rotates, the lubricating oil that pumps enters one-way valve 5 through oil outlet tube 2, when reaching certain oil pressure, one-way valve 5 is opened, and lubricating oil is added into crankcase 10.Adopt the two stroke engine and the crankcase thereof of prior art structure in the above-mentioned mode of execution.Oil pump 1 adopts the tiny flow quantity oil pump, and embodiment adopts commercially available TB50 type oil pump.
Claims (2)
1, the lubricant oil adding set of engine of fuel bicycle is characterized in that installing oil pump on the left crankcase housing, and the oil inlet pipe of oil pump is connected with fuel tank, and the housing that the pump shaft of oil pump passes left crankcase is connected with the intermediate gear shaft of motor; At right crankcase one-way valve is installed, the oil outlet tube of described oil pump connects the inlet of one-way valve, and crankcase is led in the outlet of one-way valve.
2, press the lubricant oil adding set of the described engine of fuel bicycle of claim 1, the pump shaft that it is characterized in that oil pump inserts the square groove of motor intermediate gear shaft termination by the housing that the square spigot of its termination passes left crankcase, and the pump shaft that constitutes oil pump thus is connected with the intermediate gear shaft of motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620072715 CN2890352Y (en) | 2006-04-24 | 2006-04-24 | Lubricant adding device of fuel-assisted vehicle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620072715 CN2890352Y (en) | 2006-04-24 | 2006-04-24 | Lubricant adding device of fuel-assisted vehicle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2890352Y true CN2890352Y (en) | 2007-04-18 |
Family
ID=38021010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620072715 Expired - Fee Related CN2890352Y (en) | 2006-04-24 | 2006-04-24 | Lubricant adding device of fuel-assisted vehicle engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2890352Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101289949B (en) * | 2008-06-04 | 2010-06-23 | 长春市长铃技术开发有限公司 | Hand-held engines capable of working in 360 degree rotation |
-
2006
- 2006-04-24 CN CN 200620072715 patent/CN2890352Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101289949B (en) * | 2008-06-04 | 2010-06-23 | 长春市长铃技术开发有限公司 | Hand-held engines capable of working in 360 degree rotation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070418 |