CN105275569A - Piston cooling device of motorcycle engine - Google Patents
Piston cooling device of motorcycle engine Download PDFInfo
- Publication number
- CN105275569A CN105275569A CN201510743752.1A CN201510743752A CN105275569A CN 105275569 A CN105275569 A CN 105275569A CN 201510743752 A CN201510743752 A CN 201510743752A CN 105275569 A CN105275569 A CN 105275569A
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- China
- Prior art keywords
- piston
- oil
- ring pipe
- crankcase
- fuel ring
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Abstract
The invention relates to a piston cooling device of a motorcycle engine. The piston cooling device comprises a cylinder body, a piston, a crankshaft connecting rod assembly and a crankcase, wherein the piston is arranged in the cylinder body, the piston is connected with the crankshaft connecting rod assembly, the crankshaft connecting rod assembly is arranged in an inner cavity of the crankcase, an annular oil pipe is arranged in the crankcase and is positioned above the piston, and a plurality of oil injection nozzles are arranged on the annular oil pipe; the annular oil pipe is connected with an oil injection control valve, the oil injection control valve comprises a valve body with a cavity, an oil inlet passage is formed in one end of the cavity, an oil outlet is formed in the other end of the cavity and is communicated with the annular oil pipe, an annular plug is arranged at the oil inlet passage, and a spring is arranged between the annular plug and the oil outlet. According to the piston cooling device, the purpose of controlling to inject cooling oil can be achieved according to engine speed, so that the piston cooling effect can be greatly increased, and additionally, the lubricating effect between the piston and the inner wall of the cylinder body can be increased.
Description
Technical field
The present invention relates to a kind of motorcycle engine piston cooling unit.
Background technique
The patent No. be 201320352629.3 Chinese patent disclose a kind of motorcycle engine piston cooling unit, comprise cylinder body, piston, crankshaft-link rod assembly and crankcase, piston is arranged in cylinder body, piston is connected with crankshaft-link rod assembly, crankshaft-link rod assembly is arranged at the inner chamber of crankcase, is provided with the oil nozzle be connected with oil circuit, during engine operation in crankcase, oil nozzle sprays cold oil to piston, plays the effect of cooling piston.Although this cooling unit has certain cooling action to piston, owing to only having an oil nozzle to spray cold oil, cold oil is skewness on piston, and therefore, cooling effect is bad; Meanwhile, this structure fueling injection equipment can only intermittent type oil spout, and when low engine speed travels, piston heat load is lower, does not need oil spout, now still sprays cold oil to piston, thus engine oil pressure when reducing low cruise.
Summary of the invention
The object of the present invention is to provide a kind of good cooling results and controlled motorcycle engine piston cooling unit.
The object of the present invention is achieved like this, a kind of motorcycle engine piston cooling unit, the crankshaft-link rod assembly comprising cylinder body and be arranged on piston in cylinder body, crankcase and be arranged in crankcase, piston is connected with crankshaft-link rod assembly, fuel ring pipe is provided with in crankcase, fuel ring pipe is positioned at above piston, and fuel ring pipe is provided with multiple oil nozzle; Fuel ring pipe is connected with injector control valve, and injector control valve comprises the valve body with cavity, and valve body is provided with oil inlet passage and oil outlet, oil outlet is communicated with fuel ring pipe, oil inlet passage place is provided with annular plug, and annular plug port is provided with ball valve, is provided with spring between ball valve and oil outlet.When engine speed is less, engine oil pressure is less, and spring extends naturally, and ball valve contacts with annular plug and blocks oil inlet passage; When engine speed is enough large, engine oil pressure increases and oppresses annular plug, Compress Spring, thus make to produce gap between ball valve and annular plug, oil inlet passage is opened, and machine oil enters cavity, enters fuel ring pipe from oil outlet, and then be ejected on piston by multiple oil nozzle, piston is cooled comprehensively.
In order to compact structure, fuel ring pipe is arranged on the inwall of crankcase.
In order to make lubricant oil evenly be ejected on piston, oil nozzle is distributed on fuel ring pipe.
In order to ensure that cold oil is ejected on piston, the external diameter of fuel ring pipe is not more than the diameter of piston.
Fuel ring pipe is provided with filler opening, and filler opening is connected with injector control valve by the oil duct on crankcase.
The present invention has following beneficial effect:
1, motorcycle engine piston cooling unit of the present invention arranges fuel ring pipe in crankcase, fuel ring pipe is connected with injector control valve, the object controlling to spray cold oil can be reached according to the speed of engine speed, overcome the problem of engine oil pressure when existing intermittent type piston cooling device still sprays cold oil thus reduces low cruise piston when low engine speed travels, when can make low cruise, motor maintains higher oil pressure, improves the performance of motor.
2, motorcycle engine piston cooling unit of the present invention has the function of Cooling and Lubricator piston simultaneously, has not only increased substantially the cooling effect of piston, has improve the lubrication effect between piston and inboard wall of cylinder block simultaneously.
Accompanying drawing explanation
Fig. 1 is motorcycle engine piston cooling unit structural representation of the present invention.
Fig. 2 is the injector control valve structural representation in motorcycle engine piston cooling unit of the present invention.
Fig. 3 is the fuel ring pipe schematic diagram in motorcycle engine piston cooling unit of the present invention.
Fig. 4 is the rear view of Fig. 3.
In figure, 1. cylinder body, 2. piston, 3. crankshaft-link rod assembly, 4. crankcase, 5. fuel ring pipe, 6. oil duct, 7. oil nozzle, 8. filler opening, 9. injector control valve, 10. oil inlet passage, 11. annular plugs, 12. ball valves, 13. springs, 14. oil outlets.
Embodiment
Embodiment, a kind of motorcycle engine piston cooling unit, comprise cylinder body 1, piston 2 crankshaft-link rod assembly 3 and crankcase 4, piston 2 is set in cylinder body 1, piston 2 is connected with crankshaft-link rod assembly 3, and crankshaft-link rod assembly 3 is arranged in crankcase 4, is provided with and fuel ring pipe 5 in crankcase 4, fuel ring pipe 5 is positioned at above piston 1, and fuel ring pipe 5 is provided with multiple oil nozzle 7; Fuel ring pipe 5 is connected with injector control valve 9, injector control valve 9 comprises the valve body with cavity, valve body is provided with oil outlet 14 and oil inlet passage 10, oil outlet 14 is communicated with fuel ring pipe 5, annular plug 11 is provided with in oil inlet passage 10, annular plug 11 port is provided with ball valve 12, is provided with spring 13 between ball valve 12 and oil outlet 14.
Fuel ring pipe 5 is arranged on the inwall of crankcase 4.
Oil nozzle 7 is 4 or 6, is distributed on fuel ring pipe 5.
The external diameter of fuel ring pipe 5 equals the diameter of piston 2, the most very much not the diameter of super large piston 2.
Fuel ring pipe 5 is provided with filler opening 8, and filler opening 8 is connected with injector control valve 9 by the oil duct 6 on crankcase 4.
When engine speed is less, engine oil pressure is less, and 13 springs extend naturally, and 12 ball valves contact with annular plug 11 and block oil inlet passage 10; When engine speed is enough large, engine oil pressure increases and compressing ball valve 12, spring 13 shrinks, gap is produced between ball valve 12 and annular plug 11, thus oil inlet passage 10 is opened, machine oil enters cavity, fuel ring pipe 5 is entered from oil outlet 14, be ejected on piston 2 by multiple oil nozzle 7, piston 2 is cooled comprehensively, overcomes the problem of engine oil pressure when existing intermittent type piston cooling device still sprays cold oil thus reduces low cruise piston when low engine speed travels.When the present invention can make low cruise, motor maintains higher oil pressure, has increased substantially the cooling effect of piston, has also improved the lubrication effect between piston and inboard wall of cylinder block simultaneously.
Claims (5)
1. a motorcycle engine piston cooling unit, the crankshaft-link rod assembly (3) comprising cylinder body (1) and be arranged on piston (2) in cylinder body (1), crankcase (4) and be arranged in crankcase (4), described piston (2) is connected with crankshaft-link rod assembly (3), it is characterized in that: in described crankcase (4), be provided with fuel ring pipe (5), described fuel ring pipe (5) is positioned at piston (1) top, and described fuel ring pipe (5) is provided with multiple oil nozzle (7); Described fuel ring pipe (5) is connected with injector control valve (9), described injector control valve (9) comprises the valve body with cavity, described valve body is provided with oil inlet passage (10) and oil outlet (14), described oil outlet (14) is communicated with described fuel ring pipe (5), annular plug (11) is provided with in described oil inlet passage (10), described annular plug (11) port is provided with ball valve (12), is provided with spring (13) between described ball valve (12) and oil outlet (14).
2. motorcycle engine piston cooling unit as claimed in claim 1, is characterized in that: described fuel ring pipe (5) is arranged on the inwall of described crankcase (4).
3. motorcycle engine piston cooling unit as claimed in claim 1 or 2, is characterized in that: described oil nozzle (7) is distributed on described fuel ring pipe (5).
4. motorcycle engine piston cooling unit as claimed in claim 1 or 2, is characterized in that: the external diameter of described fuel ring pipe (5) is not more than the diameter of described piston (2).
5. motorcycle engine piston cooling unit as claimed in claim 1 or 2, it is characterized in that: described fuel ring pipe (5) is provided with filler opening (8), described filler opening (8) is connected with injector control valve (9) by the oil duct (6) on crankcase (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510743752.1A CN105275569A (en) | 2015-11-05 | 2015-11-05 | Piston cooling device of motorcycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510743752.1A CN105275569A (en) | 2015-11-05 | 2015-11-05 | Piston cooling device of motorcycle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105275569A true CN105275569A (en) | 2016-01-27 |
Family
ID=55145271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510743752.1A Pending CN105275569A (en) | 2015-11-05 | 2015-11-05 | Piston cooling device of motorcycle engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105275569A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107762611A (en) * | 2017-10-18 | 2018-03-06 | 劳福厚 | A kind of motorcycle engine piston cooling device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2500085A (en) * | 1943-08-13 | 1950-03-07 | Milliken Humphreys | Engine |
| CN203463177U (en) * | 2013-06-19 | 2014-03-05 | 简兆华 | Motorcycle engine with oil injection cooling device |
| CN103696842A (en) * | 2013-08-02 | 2014-04-02 | 浙江春风动力股份有限公司 | Motorcycle engine piston cooling system and motorcycle engine |
| CN205089434U (en) * | 2015-11-05 | 2016-03-16 | 重庆驰龙摩托车配件有限公司 | Motorcycle engine piston cooling device |
-
2015
- 2015-11-05 CN CN201510743752.1A patent/CN105275569A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2500085A (en) * | 1943-08-13 | 1950-03-07 | Milliken Humphreys | Engine |
| CN203463177U (en) * | 2013-06-19 | 2014-03-05 | 简兆华 | Motorcycle engine with oil injection cooling device |
| CN103696842A (en) * | 2013-08-02 | 2014-04-02 | 浙江春风动力股份有限公司 | Motorcycle engine piston cooling system and motorcycle engine |
| CN205089434U (en) * | 2015-11-05 | 2016-03-16 | 重庆驰龙摩托车配件有限公司 | Motorcycle engine piston cooling device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107762611A (en) * | 2017-10-18 | 2018-03-06 | 劳福厚 | A kind of motorcycle engine piston cooling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160127 |
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| RJ01 | Rejection of invention patent application after publication |