CN209724447U - A kind of centrifugal gas oil separation structure of balance shaft - Google Patents
A kind of centrifugal gas oil separation structure of balance shaft Download PDFInfo
- Publication number
- CN209724447U CN209724447U CN201920180870.XU CN201920180870U CN209724447U CN 209724447 U CN209724447 U CN 209724447U CN 201920180870 U CN201920180870 U CN 201920180870U CN 209724447 U CN209724447 U CN 209724447U
- Authority
- CN
- China
- Prior art keywords
- balance shaft
- crankcase
- reflux
- air
- condensation
- 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
- 238000000926 separation method Methods 0.000 title claims abstract description 16
- 238000009833 condensation Methods 0.000 claims abstract description 48
- 230000005494 condensation Effects 0.000 claims abstract description 48
- 238000010992 reflux Methods 0.000 claims abstract description 47
- 239000003921 oil Substances 0.000 claims abstract description 45
- 239000010721 machine oil Substances 0.000 claims abstract description 34
- 239000007789 gas Substances 0.000 claims description 42
- 239000002826 coolant Substances 0.000 claims description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000003546 flue gas Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 210000002268 wool Anatomy 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 12
- 238000001914 filtration Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000003595 mist Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Abstract
A kind of centrifugal gas oil separation structure of balance shaft, including a crankcase, a balance shaft is rotatably equipped in the inner cavity of the crankcase, the balance shaft is equipped with a balance weight, the balance weight is equipped with de-oiling air intake duct, the balance shaft is equipped with air feed channel, and the air feed channel inner end is connected to the inner end of de-oiling air intake duct, outer end face of the de-oiling air intake duct outer end opening in balance weight；The utility model has the beneficial effects that: having one big machine oil reclaim mechanism and three small reclaim mechanisms of machine oil, big machine oil reclaim mechanism relies on balance weight centrifugal force, most oil liquid from being firmly blocked in crankcase inner cavity, the remaining oil gas condensation in mixed gas is recovered by filtration in three reflux air cavity that three small reclaim mechanisms rely on condensation effect incremented by successively respectively, condensation labyrinth, medium condensation chamber condensation structures, oil gas residual rate in exhaust gas reaches an extremely low level, the feature of environmental protection is good, and the influence to atmosphere is very small.
Description
Technical field
The utility model relates to the improvement of motorcycle engine gas oil separation structure.
Background technique
In the scooter engine field, since the pressure ratio external pressure in crankcase is big, the machine oil of engine by
Vaporization is increased in the operating temperature of engine and is directly released into atmosphere by snorkel and is formed oiliness pollution.In order to reduce ring
Border pollution, so that air is interference-free, exhaust gas discharges compound discharge standard, it is necessary to which recycling machine oil in crankcase and reducing influences.
Small displacement engine gs-oil separator before available engine snorkel is mostly that labyrinth adds external gs-oil separator
Form, the defects of there are Oil-gas Separations to be not thorough, and consumption of lubricating oil is big.
Summary of the invention
In order to overcome existing gas oil separation structure, there are Oil-gas Separations to be not thorough, the big deficiency of consumption of lubricating oil, this is practical new
Type provides a kind of centrifugal gas oil separation structure of balance shaft of machine oil separator well.
The technical solution that the utility model solves this technical problem is: a kind of centrifugal gas oil separation structure of balance shaft, packet
A crankcase is included, a balance shaft is rotatably equipped in the inner cavity of the crankcase, the balance shaft is equipped with one
A balance weight, the balance weight are equipped with de-oiling air intake duct, and the balance shaft is equipped with air feed channel, the air feed channel inner end connection
In the inner end of de-oiling air intake duct, outer end face of the de-oiling air intake duct outer end opening in balance weight；It is additionally provided in the balance shaft
Balancer shaft drive gear；The reflux air cavity being connected to air feed channel is additionally provided in the crankcase, under the reflux air cavity
End is equipped with the first machine oil reflux road, and the reflux air cavity upper end also passes through preceding runner and is connected with condensation labyrinth, the condensation labyrinth
Higher than reflux air cavity；The condensation labyrinth then passes through intermediate air flue and is connected to medium condensation chamber, is equipped in the medium condensation chamber
Cooling medium, medium condensation chamber lower end are equipped with the second machine oil reflux road, and the medium condensation chamber is equipped with exhaust duct, described
Exhaust duct is connected with flue gas leading；It is connected to inside first machine oil reflux road, the second machine oil reflux road and crankcase.
A kind of design of crankcase, the crankcase include left box body and right case, the reflux air cavity, the first machine
Oil reflux road, the second machine oil reflux road are all located on left box body.
A kind of revolution design, the balance shaft both ends are respectively equipped with first bearing and second bearing is connected to crankcase
On, the first bearing is set to reflux air cavity and crankcase inner cavity junction, and the first bearing is air-locked sealing axis
It holds.
A kind of design of balance weight, the balance weight are an arc block.
A kind of selection of cooling medium, the cooling medium in the medium condensation chamber are porous cooling medium.
Further, the cooling medium in the medium condensation chamber is steel wool.
The utility model application method is exhaust gas on the power section gear that balancer shaft drive gear is connected in crankcase
Pipe is connected to air filter；
Crankcase mesohigh gas can enter reflux by de-oiling air intake duct, the air feed channel in balance shaft driven by pressure
Air cavity, the quality after balance shaft rotation due to oil are greater than gas, under the influence of centrifugal force, the oil weight of oil gas in de-oiling air intake duct
It newly gets rid of and returns in crankcase inner cavity.
When flowing back air cavity, the oil condensation in the oil gas of part is through the first machine oil reflux road for gas and residual mist of oil simultaneously
It returns in crankcase；
When remaining mixed oil and gas is by labyrinth, some mist of oil condensation, Jing Huiqian runner returns to reflux air cavity；
After remaining mixed oil and gas enters medium condensation chamber again, the intensive and lower steel wool of temperature makes the oil in oil gas
Mist is condensed completely through the second machine oil reflux road reflux, and gas is discharged to air filter through flue gas leading.
The utility model has the beneficial effects that: there are one big machine oil reclaim mechanism and three small reclaim mechanisms of machine oil,
Big machine oil reclaim mechanism relies on balance weight centrifugal force, overwhelming majority oil liquid from being firmly blocked in crankcase inner cavity, three
Reflux air cavity that small reclaim mechanism relies on condensation effect incremented by successively respectively, condensation three labyrinth, medium condensation chamber condensation structures
Remaining oil gas condensation in mixed gas is recovered by filtration, the oil gas residual rate in exhaust gas reaches an extremely low level, the feature of environmental protection
Good, the influence to atmosphere is very small.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model embodiment.
Fig. 2 is the schematic diagram of the utility model balance shaft.
Fig. 3 is the filtering process schematic diagram of the utility model embodiment.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
In conjunction with attached drawing 1 to 3, a kind of centrifugal gas oil separation structure of balance shaft 2, including a crankcase 1, the crankshaft
A balance shaft 2 is rotatably equipped in the inner cavity of cabinet 1, the balance shaft 2 is equipped with a balance weight 3, the balance weight 3
It is equipped with de-oiling air intake duct 4, the balance shaft 2 is equipped with air feed channel 5, and 5 inner end of air feed channel is connected to de-oiling air intake duct 4
Inner end, outer end face of 4 outer end opening of de-oiling air intake duct in balance weight 3；Balance shaft sliding tooth is additionally provided in the balance shaft 2
Wheel 6；It is additionally provided with the reflux air cavity 7 being connected to air feed channel 5 in the crankcase 1,7 lower end of reflux air cavity is equipped with the
One machine oil reflux road 8,7 upper end of reflux air cavity also pass through preceding runner 9 and are connected with condensation labyrinth 10, the condensation labyrinth 10
Higher than reflux air cavity 7；The condensation labyrinth 10 is then connected to by intermediate air flue 11 with medium condensation chamber 12, the medium condensation chamber
Cooling medium is equipped in 12,12 lower end of medium condensation chamber is equipped with the second machine oil reflux road, sets on the medium condensation chamber 12
There is exhaust duct 13, the exhaust duct 13 is connected with flue gas leading 14；First machine oil reflux road 8, the second machine oil reflux road with
It is connected to inside crankcase 1.
A kind of design of crankcase 1, the crankcase 1 include left box body 15 and right case 16, the reflux air cavity
7, the first machine oil reflux road 8, the second machine oil reflux road are all located on left box body 15.
A kind of revolution design, 2 both ends of balance shaft are respectively equipped with first bearing 17 and second bearing 18 is connected to crankshaft
On cabinet 1, the first bearing 17 is set to reflux air cavity 7 and 19 junction of crankcase inner cavity, and the first bearing 17 is not
Ventilative sealing bearing.
A kind of design of balance weight 3, the balance weight 3 are an arc block.
A kind of selection of cooling medium, the cooling medium in the medium condensation chamber 12 are porous cooling medium.
Further, the cooling medium in the medium condensation chamber 12 is steel wool.
The utility model application method is given up on the power section gear that balancer shaft drive gear 6 is connected in crankcase
Tracheae 14 is connected to air filter；
Crankcase mesohigh gas can be entered by de-oiling air intake duct 4, the air feed channel 5 in balance shaft 2 driven by pressure
Flow back air cavity 7, and the quality after the rotation of balance shaft 2 due to oil is greater than gas, under the influence of centrifugal force, oily in de-oiling air intake duct 4
The oil of gas is got rid of again to be returned in crankcase inner cavity 19.
When flowing back air cavity 7, the oil condensation in the oil gas of part flows back through the first machine oil for gas and residual mist of oil simultaneously
Road 8 returns in crankcase；
When remaining mixed oil and gas is by labyrinth, some mist of oil condensation, Jing Huiqian runner 9 returns to reflux air cavity
7；
After remaining mixed oil and gas enters medium condensation chamber 12 again, the intensive and lower steel wool of temperature makes in oil gas
Mist of oil is condensed completely through the second machine oil reflux road reflux, and gas is discharged to air filter through flue gas leading 14.
The utility model has the beneficial effects that: there are one big machine oil reclaim mechanism and three small reclaim mechanisms of machine oil,
Big machine oil reclaim mechanism relies on balance weight centrifugal force, overwhelming majority oil liquid from being firmly blocked in crankcase inner cavity, three
Reflux air cavity that small reclaim mechanism relies on condensation effect incremented by successively respectively, condensation three labyrinth, medium condensation chamber condensation structures
Remaining oil gas condensation in mixed gas is recovered by filtration, the oil gas residual rate in exhaust gas reaches an extremely low level, the feature of environmental protection
Good, the influence to atmosphere is very small.
Claims (6)
1. a kind of centrifugal gas oil separation structure of balance shaft, it is characterised in that: including a crankcase, the crankcase
A balance shaft is rotatably equipped in inner cavity, the balance shaft is equipped with a balance weight, and the balance weight is equipped with de-oiling
Air intake duct, the balance shaft are equipped with air feed channel, and the air feed channel inner end is connected to the inner end of de-oiling air intake duct, the de-oiling into
Outer end face of the air flue outer end opening in balance weight；Balancer shaft drive gear is additionally provided in the balance shaft；In the crankcase
It is additionally provided with the reflux air cavity being connected to air feed channel, the reflux air cavity lower end is equipped with the first machine oil reflux road, the reflux
Air cavity upper end also passes through preceding runner and is connected with condensation labyrinth, and the condensation labyrinth is higher than reflux air cavity；The condensation labyrinth then leads to
It crosses intermediate air flue to be connected to medium condensation chamber, cooling medium is equipped in the medium condensation chamber, medium condensation chamber lower end is set
There is the second machine oil reflux road, the medium condensation chamber is equipped with exhaust duct, and the exhaust duct is connected with flue gas leading；Described first
It is connected to inside machine oil reflux road, the second machine oil reflux road and crankcase.
2. the centrifugal gas oil separation structure of balance shaft according to claim 1, it is characterised in that: the crankcase includes
Left box body and right case, the reflux air cavity, the first machine oil reflux road, the second machine oil reflux road are all located on left box body.
3. the centrifugal gas oil separation structure of balance shaft according to claim 1, it is characterised in that: the balance shaft both ends point
Not She You first bearing and second bearing be connected on crankcase, the first bearing is set in reflux air cavity and crankcase
Chamber junction, the first bearing are air-locked sealing bearing.
4. the centrifugal gas oil separation structure of balance shaft according to claim 1, it is characterised in that: the balance weight is one
Arc block.
5. the centrifugal gas oil separation structure of balance shaft according to claim 1, it is characterised in that: in the medium condensation chamber
Cooling medium be porous cooling medium.
6. the centrifugal gas oil separation structure of balance shaft according to claim 5, it is characterised in that: in the medium condensation chamber
Cooling medium be steel wool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920180870.XU CN209724447U (en) | 2019-02-01 | 2019-02-01 | A kind of centrifugal gas oil separation structure of balance shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920180870.XU CN209724447U (en) | 2019-02-01 | 2019-02-01 | A kind of centrifugal gas oil separation structure of balance shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209724447U true CN209724447U (en) | 2019-12-03 |
Family
ID=68682518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920180870.XU Expired - Fee Related CN209724447U (en) | 2019-02-01 | 2019-02-01 | A kind of centrifugal gas oil separation structure of balance shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209724447U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681291A (en) * | 2019-02-01 | 2019-04-26 | 宁波市龙嘉摩托车有限公司 | A kind of centrifugal gas oil separation structure of balance shaft |
-
2019
- 2019-02-01 CN CN201920180870.XU patent/CN209724447U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681291A (en) * | 2019-02-01 | 2019-04-26 | 宁波市龙嘉摩托车有限公司 | A kind of centrifugal gas oil separation structure of balance shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 |