CN203430647U - Engine right crankcase body - Google Patents
Engine right crankcase body Download PDFInfo
- Publication number
- CN203430647U CN203430647U CN201320392589.5U CN201320392589U CN203430647U CN 203430647 U CN203430647 U CN 203430647U CN 201320392589 U CN201320392589 U CN 201320392589U CN 203430647 U CN203430647 U CN 203430647U
- Authority
- CN
- China
- Prior art keywords
- exhaust gas
- engine
- right crankcase
- steam passage
- gas inlet
- Prior art date
- 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
Links
Images
Landscapes
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model belongs to the technical field of engine crankcases, and particularly relates to an engine right crankcase body. The engine right crankcase body comprises a right crankcase main body, a crank shaft hole and a cylinder hole, wherein the crank shaft hole and the cylinder hole are formed in the right crankcase main body. An exhaust gas inlet is formed in the right crankcase main body and communicated with an exhaust gas channel in the right crankcase main body, an isolation plate is arranged at the rear of the exhaust gas channel to form two channels, one channel is communicated with a return oil cavity, and the other channel is communicated with an exhaust gas nozzle. A guide plate is arranged on the exhaust gas channel in front of the isolation plate, the guide plate enables the exhaust gas channel leading from the exhaust gas inlet to the exhaust gas nozzle to be communicated in a bending mode, and enables the exhaust gas channel leading from the exhaust gas inlet to the return oil cavity to be communicated in a straight-through mode. A clapboard is further arranged in the return oil cavity and divides the return oil cavity to form a chamber which is communicated with an exhaust gas channel of an engine left crankcase body, and an oil jet hole is formed in the crankcase wall between the cylinder hole and the crank shaft hole and pointed to a piston. The engine right crankcase body reduces oil consumption and operation resistance of the piston, and improves working reliability of the piston.
Description
Technical field
The utility model belongs to the crankcase technical field of motor, is specifically related to a kind of right crankcase of motor, more definite, is the right crankcase that is applied to CG Engine Series.
Background technique
Existing market is used the most general CG Engine Series due to the increase of discharge capacity, and engine temperature also increases, and the viscosity of machine oil reduces, and its mobility improves, and vaporization phenomenon is more obvious.At motor, during in fast state, machine oil easily sprays from waste gas mouth with waste gas, causes crankcase inner engine oil extremely to consume.Once user supplements not in time, easily cause each parts of motor to occur unusual condition because machine oil lacks, even cause motor to work.
In addition, motorcycle engine is in the process of work, and the heat transmission between the cooling main dependence of piston itself and cylinder wall is outwards dispelled the heat, and the machine oil having splashed when piston lubricated only relies on crankshaft rotating is to piston lubrication.But the oil level splashing during due to crankshaft rotating is smaller, and the machine oil having splashed can not drop on piston inner wall skirt section conventionally exactly, make machine oil poor to the cooling effect of piston, fail effectively lubricate and lower the temperature, and then make cylinder sleeve and piston easily stuck and temperature raise, the working life of having reduced cylinder sleeve and piston.
Summary of the invention
The purpose of this utility model is to provide a kind of right crankshaft box body of engine, while making high engine speeds running, has effectively slowed down the pressure of lubricant oil, and then lubricant oil can not sprayed in waste gas mouth, has reduced oily loss; Meanwhile, can realize cylinder body is supplied to oil lubrication, reduce piston running resistance, improve the thermal stress state of piston, improve the reliability of pistons work.
For achieving the above object, the utility model has adopted following technological scheme: a kind of right crankshaft box body of engine, it comprise right crankcase body and on crankshaft hole, cylinder hole, on this right crankcase body, be provided with exhaust gas inlet, this exhaust gas inlet is connected with the exhaust steam passage on right crankcase body, at this exhaust steam passage rear portion, establish isolating plate and form two passages, one paths communicates with oil back chamber, another paths communicates with waste gas mouth, on the exhaust steam passage in isolating plate the place ahead, be provided with and make the exhaust steam passage that is led to waste gas mouth by exhaust gas inlet be overbent type connection and make the exhaust steam passage that is led to oil back chamber by exhaust gas inlet be the guide plate that straight-through type is communicated with, on oil back chamber, be also provided with dividing plate, this dividing plate is separated out a chamber being connected with the exhaust steam passage of engine left crankcase body by oil back chamber, on the tank wall between cylinder hole and crankshaft hole, be provided with the nozzle opening that points to piston.
Further, the exhaust gas inlet place of described right crankcase body is provided with the oil baffle that the machine oil splashing when stoping bent axle to rotate enters exhaust steam passage.
Further, described waste gas mouth protrudes from the internal box wall of described right crankcase body.
Further, described nozzle opening is one or more; Described nozzle opening diameter is 1～2mm.
The beneficial effects of the utility model: the distance that has extended exhaust steam passage, machine oil more easily liquefaction in exhaust steam passage makes to vaporize, and under the effect of guide plate, machine oil is easier to separated with waste gas ratio, the machine oil of overwhelming majority vaporization can be back to crankcase again, thereby reduced the abnormal consume of crankcase inner engine oil, and effectively slowed down the pressure of lubricant oil, and then lubricant oil can not sprayed in waste gas mouth; Nozzle opening can be lowered the temperature and lubricate cylinder body and piston to the piston spraying lubricant oil assembling in cylinder hole, has reduced piston running resistance, has improved the thermal stress state of piston, has improved the reliability of pistons work, has greatly improved its working life simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.
A right crankshaft box body of engine as shown in Figure 1, itself and the mould assembling of engine left crankcase body form whole engine crankcase, and on mould assembling face, establish sealing gasket and sealed.It comprise right crankcase body and on crankshaft hole 1, cylinder hole 2, on this right crankcase body, be provided with exhaust gas inlet 4, this exhaust gas inlet 4 is connected with the exhaust steam passage 7 on right crankcase body, at these exhaust steam passage 7 rear portions, establish isolating plate 8 and form two passages, one paths communicates with oil back chamber 9, another paths communicates with waste gas mouth 11, on the exhaust steam passage 7 in isolating plate 8 the place aheads, be provided with and make the exhaust steam passage that is led to waste gas mouth 11 by exhaust gas inlet 4 be overbent type connection and make the exhaust steam passage that is led to oil back chamber 9 by exhaust gas inlet 4 be the guide plate 6 that straight-through type is communicated with, on oil back chamber 9, be also provided with dividing plate 12, this dividing plate 12 is separated out a chamber 13 being connected with the exhaust steam passage of engine left crankcase body by oil back chamber 9, on the tank wall between cylinder hole 2 and crankshaft hole 1, be provided with the nozzle opening 3 that points to piston.
The utility model is under the effect of guide plate 6, the tunnel-shaped that enters waste gas mouth 11 via exhaust steam passage 7 by exhaust gas inlet 4 becomes overbent type to be communicated with, and enter to oil back chamber 9 for straight line is communicated with, make the easy straight line of machine oil enter oil back chamber and be difficult to enter the passage at waste gas mouth 11 places; Although pass to the passage of waste gas mouth 11, be overbent type connection, due to the dispersivity of gas, waste gas is arrived waste gas mouth 11 and is discharged by this bent passage at an easy rate; And be opened in the nozzle opening 3 on right crankcase body and between crankshaft hole 1 and cylinder hole 2, during engine running, in case under the effect of self pressure, machine oil can make cylinder sleeve and piston be lubricated and lower the temperature from piston and the cylinder sleeve jet lubrication oil of trend cylinder hole 2 interior assemblings through this nozzle opening 3, has reduced the wearing and tearing between cylinder sleeve and piston, reduced piston running resistance, improved the thermal stress state of piston, improved the reliability of pistons work, greatly improved its working life simultaneously.
Exhaust gas inlet 4 places of described right crankcase body are provided with the oil baffle 5 that the machine oil splashing when stoping bent axle to rotate enters exhaust steam passage 7, and this oil baffle 5 can stop bent axle to rotate the machine oil splashing to enter in exhaust steam passage 7 by exhaust gas inlet 4.
In addition, described waste gas mouth 11 protrudes from the internal box wall of described right crankcase body, for waste gas, in exhaust steam passage, enters this waste gas mouth 11 and discharges.
Finally, described nozzle opening 3 is one or more, and its quantity can require to make according to concrete technology, and these nozzle opening 3 diameters are 1～2mm, and preferably diameter is 1mm.
The technological scheme above the utility model embodiment being provided is described in detail, applied specific case herein the utility model embodiment's principle and mode of execution are set forth, above embodiment's explanation is only applicable to help to understand the utility model embodiment's principle; , for one of ordinary skill in the art, according to the utility model embodiment, in embodiment and application area, all will change, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (5)
1. a right crankshaft box body of engine, comprise right crankcase body and on crankshaft hole (1), cylinder hole (2), on this right crankcase body, be provided with exhaust gas inlet (4), this exhaust gas inlet (4) is connected with the exhaust steam passage (7) on right crankcase body, at this exhaust steam passage (7) rear portion, establish isolating plate (8) and form two passages, one paths communicates with oil back chamber (9), another paths communicates with waste gas mouth (11), it is characterized in that: on the exhaust steam passage (7) in isolating plate (8) the place ahead, be provided with and make the exhaust steam passage that is led to waste gas mouth (11) by exhaust gas inlet (4) be overbent type connection and make the exhaust steam passage that is led to oil back chamber (9) by exhaust gas inlet (4) be the guide plate (6) that straight-through type is communicated with, on oil back chamber (9), be also provided with dividing plate (12), this dividing plate (12) is separated out a chamber (13) being connected with the exhaust steam passage of engine left crankcase body by oil back chamber (9), on the tank wall between cylinder hole (2) and crankshaft hole (1), be provided with the nozzle opening (3) that points to piston.
2. right crankshaft box body of engine according to claim 1, is characterized in that: the exhaust gas inlet of described right crankcase body (4) locates to be provided with the oil baffle (5) that the machine oil splashing when stoping bent axle to rotate enters exhaust steam passage (7).
3. right crankshaft box body of engine according to claim 1, is characterized in that: described waste gas mouth (11) protrudes from the internal box wall of described right crankcase body.
4. right crankshaft box body of engine according to claim 1, is characterized in that: described nozzle opening (3) is for one or more.
5. according to the right crankshaft box body of engine described in claim 1 or 4, it is characterized in that: described nozzle opening (3) diameter is 1～2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320392589.5U CN203430647U (en) | 2013-07-02 | 2013-07-02 | Engine right crankcase body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320392589.5U CN203430647U (en) | 2013-07-02 | 2013-07-02 | Engine right crankcase body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203430647U true CN203430647U (en) | 2014-02-12 |
Family
ID=50059692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320392589.5U Expired - Fee Related CN203430647U (en) | 2013-07-02 | 2013-07-02 | Engine right crankcase body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203430647U (en) |
-
2013
- 2013-07-02 CN CN201320392589.5U patent/CN203430647U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203669984U (en) | Double-nozzle piston cooling nozzle assembly | |
| CN103452619B (en) | The oil-way system of air-powered motor | |
| CN206000638U (en) | A kind of gas oil separation structure being integrated within engine cylinder cover | |
| CN200982207Y (en) | Motorcycle engine gas cylinder lubrication device | |
| CN203430647U (en) | Engine right crankcase body | |
| CN103670580B (en) | A kind of lubricating oil system of high-power diesel engine | |
| CN204492919U (en) | A kind of motor | |
| CN215860437U (en) | Piston cooling nozzle | |
| CN203430649U (en) | Right crankcase of motorcycle engine | |
| CN203430650U (en) | Right crankshaft case | |
| CN203430648U (en) | Novel right crankcase body of engine | |
| CN201420582Y (en) | Injection fuel line of right box lubrication and piston cooling of motorcycle engine | |
| CN103867328A (en) | Cylinder sleeve for medium speed diesel engine | |
| CN203730147U (en) | Cylinder jacket used for medium-speed diesel engine | |
| CN113803130A (en) | Engine oil lubricating structure and method using camshaft transmission gear as oil pump | |
| CN202991260U (en) | Crankcase combination capable of reducing engine oil consumption | |
| CN207715192U (en) | Turbocharger bearing body component | |
| CN204755053U (en) | Energy -concerving and environment -protective type vertical type air -cooled diesel engine's of low machine temperature organism | |
| CN204716413U (en) | A kind of combined piston having lubrication oil circuit | |
| CN202756116U (en) | Motorcycle engine crank shaft box body with internally-installed lubricating oil spraying hole structure | |
| CN204060952U (en) | Engine cylinder-body | |
| CN204175362U (en) | Engine crankshaft box gas oil separation structure | |
| CN2549182Y (en) | Pressure limited oil recoverer for engine oil | |
| CN220205366U (en) | Secondary lubrication device for crust breaking cylinder of aluminum electrolysis cell | |
| CN104948287A (en) | Engine body of low-temperature energy-saving and environment-friendly vertical air-cooled diesel engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20150702 |
|
| EXPY | Termination of patent right or utility model |