CN207761819U - Crankcase with oil-gas separation mechanism - Google Patents
Crankcase with oil-gas separation mechanism Download PDFInfo
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- CN207761819U CN207761819U CN201721254438.8U CN201721254438U CN207761819U CN 207761819 U CN207761819 U CN 207761819U CN 201721254438 U CN201721254438 U CN 201721254438U CN 207761819 U CN207761819 U CN 207761819U
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Abstract
The utility model discloses a kind of crankcases with oil-gas separation mechanism, including crankcase, oil separator case and the gs-oil separator lid being adapted to oil separator case, the oil separator case to be integrally located at crankcase outer surface；Oil-gas separation chamber is formed between oil separator case closing lid face and gs-oil separator lid closing lid face, the venthole for supplied gas outflow that the oil-gas separation chamber is equipped with the air admission hole flowed into for supplied gas being connected to crankcase intracavity and is in communication with the outside is equipped with the labyrinth channel for making Oil-gas Separation between the air admission hole and venthole；The utility model can carry out Oil-gas Separation to the gaseous mixture of crankcase intracavity, improve separation validity, reduce the burden of crankcase bleeder, ensure emission compliance.
Description
Technical field
The utility model is related to a kind of crankcase, more particularly to a kind of crankcase with oil-gas separation mechanism.
Background technology
Engine will produce fuel-air mixture in operation process in crankcase, the main production including after in-cylinder combustion
Object, fuel oil, machine oil steam and machine oil particle etc., in order to reduce the pollution to environment, these gases are not allow to be directly discharged to
It in air, is drawn generally by the valve mechanism cover above engine air valve device, machine is filtered off by crankcase bleeder
After oil, engine air inlet tube is sucked, is entered in gas handling system, then by being discharged by exhaust system after the burning in cylinder.But work as
High engine load, when running at high speed, the machine oil in valve mechanism will produce strong splashing, and the crankcase in valve mechanism cover is logical
Wind apparatus can seriously alter oil, and crankcase bleeder cannot filter off the machine oil in gaseous mixture, cause to enter gas handling system completely
In gas contain a large amount of machine oil, there is the phenomenon that burn oil and increase the consumption of machine oil, deterioration of emission.
It is therefore desirable to which a kind of crankcase with oil-gas separation mechanism, can carry out oil to the gaseous mixture of crankcase intracavity
Qi leel is from raising separation validity reduces the burden of crankcase bleeder, ensures emission compliance.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of crankcase with oil-gas separation mechanism, it can be to song
The gaseous mixture of axle box inner cavity carries out Oil-gas Separation, improves separation validity, reduces the burden of crankcase bleeder, ensures discharge
It is up to standard.
The crankcase with oil-gas separation mechanism of the utility model, including crankcase, oil separator case and and oil gas
The gs-oil separator lid of shell separator adaptation, the oil separator case are integrally located at crankcase outer surface；The oil
Oil-gas separation chamber is formed between gas separating device shell closing lid face and gs-oil separator lid closing lid face, the oil-gas separation chamber is equipped with
The air admission hole flowed into for supplied gas being connected to crankcase intracavity and the venthole for supplied gas outflow being in communication with the outside,
The labyrinth channel for making Oil-gas Separation is equipped between the air admission hole and venthole.
Further, the labyrinth channel includes the first oil duct, the second oil duct, the third oil being set on oil separator case
Road and the 4th oil duct, the 5th oil duct, the 6th oil duct being set on gs-oil separator lid, first oil duct and the second oil
Road is connected to, and the second oil duct is connected to the 5th oil duct, and the 5th oil duct is connected to third oil duct, and third oil duct is connected to the 6th oil duct,
The air admission hole is located on oil separator case and is connected to the first oil duct, is additionally provided on the oil separator case and the
The oil outlet I for machine oil to be back to crankcase intracavity of three oil ducts connection, the venthole are located at gs-oil separator lid
Above and with the 6th oil duct it is connected to.
Further, partition board I, I one end of the partition board are provided between first oil duct and the second oil duct and third oil duct
Between the inner wall of the first oil duct there are for oil gas by clearance space.
Further, the both ends of the partition board I are respectively provided with the oil outlet II that machine oil is back to speed change box cavity.
Further, the oil outlet III for machine oil to be back to crankcase intracavity is equipped between two oil return holes II.
Further, in the third oil duct equipped with multiple partition boards II for guiding oil gas to flow to, in the 6th oil duct
Equipped with multiple partition boards III for guiding oil gas to flow to, the arrangement trend of the partition board III is consistent with the arrangement trend of partition board II.
Further, in the 6th oil duct gas-oil separation baffle is provided at venthole.
Further, the position of the 4th oil duct is corresponding with the position of the first oil duct.
The beneficial effects of the utility model：
The crankcase with oil-gas separation mechanism of the utility model, oil separator case are integrally located at crankcase appearance
Face, improves the structural strength of oil separator case, and assembly easy to process reduces product cost；Gaseous mixture is in air admission hole
Gas-liquid separation is gradually carried out in labyrinth channel flow process between venthole, to improve separation validity, is reduced
The burden of crankcase bleeder, ensure that emission compliance.
Description of the drawings
The utility model is further described with reference to the accompanying drawings and examples：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is that the utility model removes the structural schematic diagram after gs-oil separator lid；
Fig. 3 is the structural schematic diagram of the gs-oil separator lid of the utility model.
Specific implementation mode
As shown in Figure 1 to Figure 3：The crankcase with oil-gas separation mechanism of the present embodiment, including crankcase 1, Oil-gas Separation
Device shell 2 and the gs-oil separator lid 3 being adapted to oil separator case 2, the oil separator case 2 are integrally located at song
1 outer surface of axle box；2 closing lid face of the oil separator case and gs-oil separator lid form Oil-gas Separation between 3 closing lid face
Chamber, the oil-gas separation chamber be equipped be connected to 1 inner cavity of crankcase for supplied gas inflow air admission hole 4 and be in communication with the outside
The labyrinth channel for making Oil-gas Separation is equipped with for the venthole 5 of supplied gas outflow, between the air admission hole 4 and venthole 5；
Oil separator case 2 can be attached with gs-oil separator lid 3 by fastening bolt；The babinet of crankcase 1 is equipped with phase
Close the air flue being connected to air admission hole 4；Venthole 5 can be connected by pipeline with valve mechanism cover or inlet manifold, after to separation
Air utilized；Oil separator case 2 is integrally located at 1 outer surface of crankcase, improves the knot of oil separator case 2
Structure intensity, assembly easy to process, reduces product cost；Labyrinth channel flowing of the gaseous mixture between air admission hole 4 and venthole 5
Gas-liquid separation is gradually carried out in the process, to improve separation validity, reduces the burden of 1 ventilation device of crankcase, is ensured
Emission compliance.
In the present embodiment, the labyrinth channel includes the first oil duct 61 being set on oil separator case 2, the second oil duct
62, third oil duct 63 and the 4th oil duct 64, the 5th oil duct 65, the 6th oil duct 66 that are set on gs-oil separator lid 3, institute
It states the first oil duct 61 to be connected to the second oil duct 62, the second oil duct 62 is connected to the 5th oil duct 65, the 5th oil duct 65 and third oil duct
63 connections, third oil duct 63 is connected to the 6th oil duct 66, the air admission hole 4 be located on oil separator case 2 and with it is first oily
Road 61 is connected to, be additionally provided on the oil separator case 2 be connected to third oil duct 63 be used to machine oil being back to crankcase 1
The oil outlet I 71 of inner cavity, the venthole 5 are located on gs-oil separator lid 3 and are connected to the 6th oil duct 66；From crankcase 1
The exhaust gas of inner cavity discharge pours in the first oil duct 61 first, by the shielding of the 4th oil duct 64, big grain size lubrication oil droplet will take the lead in
Exhaust gas detaches, and directly passes back into 1 inner cavity of crankcase, and remainder of exhaust gas enters the second oil duct 62, the multistage through 62 inner wall of the second oil duct
Separation, greater particle size lubrication oil droplet is detached with exhaust gas again, and passes back into 1 inner cavity of crankcase again, and remainder of exhaust gas is oily from the 5th
Road 65 enters third oil duct 63, by the residual gas detached twice, then via more than 63 times point of the 5th oil duct 65 and third oil duct
From being finally discharged by venthole 5, finally separated small particle lubrication oil droplet passes back into 1 inner cavity of crankcase by oil outlet I 71,
To realize Oil-gas Separation.
In the present embodiment, partition board I 81, institute are provided between first oil duct, 61 and second oil duct 62 and third oil duct 63
State between I 81 one end of partition board and the inner wall of the first oil duct 61 there are for oil gas by clearance space 81a；The clearance space is formed
Throttling grooves structure can be used for controlling the flow of exhaust gas, convenient for carrying out Oil-gas Separation to exhaust gas.
In the present embodiment, the both ends of the partition board I 81 are respectively provided with is back to the fuel-displaced of speed change box cavity by machine oil
Hole II 72；Both ends oil outlet II 72 is corresponding with the rear and front end of transmission output shaft respectively, conducive to the reasonable of the machine oil isolated
It utilizes；The oil outlet III 73 for machine oil to be back to 1 inner cavity of crankcase is equipped between two oil return holes II；Oil outlet III 73
Setting, make enter the second oil duct 62 in after separation greater particle size lubrication oil droplet can pass back into bent axle by oil outlet III 73
1 inner cavity of case.
In the present embodiment, equipped with multiple partition boards II 82 for guiding oil gas to flow in the third oil duct 63, by every
The exhaust gas that plate II 82 makes 63 inside of third oil duct form labyrinth structure moves towards；It is equipped in 6th oil duct 66 multiple for guiding
The partition board III 83 of oil gas flow direction, the exhaust gas for making 66 inside of the 6th oil duct form labyrinth structure by partition board III move towards；The partition board
III arrangement trend is consistent with the arrangement trend of partition board II 83；To make third oil duct 63 and the 6th oil duct 66 collectively form one article
Complications revolution, long path labyrinth, by the residual gas detached twice, then via the long path labyrinth multiple reflections finally by
Gas vent is discharged, and finally separated small particle lubricates oil droplet by oil return I.
In the present embodiment, gas-oil separation baffle 84 is provided at venthole 5 in the 6th oil duct 66；With further
Oil gas separation is improved, and convenient for the exhaust gas discharge after final separation.
In the present embodiment, the position of the 4th oil duct 64 is corresponding with the position of the first oil duct 61；Make to pour in the first oil
The exhaust gas in road 61 can carry out primary separation by the shielding of the 4th oil duct 64, and then make big grain size lubrication oil droplet that will take the lead in and exhaust gas
Separation, directly passes back into 1 inner cavity of crankcase.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the right of the utility model.
Claims (8)
1. a kind of crankcase with oil-gas separation mechanism, including crankcase, oil separator case and and oil separator case
The gs-oil separator lid of adaptation, it is characterised in that：The oil separator case is integrally located at crankcase outer surface；The oil
Oil-gas separation chamber is formed between gas separating device shell closing lid face and gs-oil separator lid closing lid face, the oil-gas separation chamber is equipped with
The air admission hole flowed into for supplied gas being connected to crankcase intracavity and the venthole for supplied gas outflow being in communication with the outside,
The labyrinth channel for making Oil-gas Separation is equipped between the air admission hole and venthole.
2. the crankcase according to claim 1 with oil-gas separation mechanism, it is characterised in that：The labyrinth channel includes setting
In on oil separator case the first oil duct, the second oil duct, third oil duct and be set on gs-oil separator lid
Four oil ducts, the 5th oil duct, the 6th oil duct, first oil duct are connected to the second oil duct, and the second oil duct is connected to the 5th oil duct, the
Five oil ducts are connected to third oil duct, and third oil duct is connected to the 6th oil duct, and the air admission hole is located on oil separator case simultaneously
Be connected to the first oil duct, be additionally provided on the oil separator case be connected to third oil duct for machine oil to be back to bent axle
The oil outlet I of box cavity, the venthole are located on gs-oil separator lid and are connected to the 6th oil duct.
3. the crankcase according to claim 2 with oil-gas separation mechanism, it is characterised in that：First oil duct and second
Partition board I is provided between oil duct and third oil duct, there are pass through for oil gas between I one end of the partition board and the inner wall of the first oil duct
Clearance space.
4. the crankcase according to claim 3 with oil-gas separation mechanism, it is characterised in that：The both ends of the partition board I point
Oil outlet II that She You be for machine oil not to be back to speed change box cavity.
5. the crankcase according to claim 4 with oil-gas separation mechanism, it is characterised in that：Between two oil outlets II
Equipped with the oil outlet III for machine oil to be back to crankcase intracavity.
6. the crankcase according to claim 4 with oil-gas separation mechanism, it is characterised in that：It is equipped in the third oil duct
Multiple partition boards II for guiding oil gas to flow to, the 6th oil duct is interior to be equipped with multiple partition boards III for guiding oil gas to flow to,
The arrangement trend of the partition board III is consistent with the arrangement trend of partition board II.
7. the crankcase according to claim 6 with oil-gas separation mechanism, it is characterised in that：It is close in 6th oil duct
Gas-oil separation baffle is provided at venthole.
8. the crankcase according to claim 2 with oil-gas separation mechanism, it is characterised in that：The position of 4th oil duct
It is corresponding with the position of the first oil duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721254438.8U CN207761819U (en) | 2017-09-26 | 2017-09-26 | Crankcase with oil-gas separation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721254438.8U CN207761819U (en) | 2017-09-26 | 2017-09-26 | Crankcase with oil-gas separation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207761819U true CN207761819U (en) | 2018-08-24 |
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ID=63178619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721254438.8U Active CN207761819U (en) | 2017-09-26 | 2017-09-26 | Crankcase with oil-gas separation mechanism |
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| Country | Link |
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| CN (1) | CN207761819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815076A (en) * | 2021-03-05 | 2021-05-18 | 重庆长安汽车股份有限公司 | Clutch oil discharge structure of hybrid electric vehicle |
-
2017
- 2017-09-26 CN CN201721254438.8U patent/CN207761819U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815076A (en) * | 2021-03-05 | 2021-05-18 | 重庆长安汽车股份有限公司 | Clutch oil discharge structure of hybrid electric vehicle |
| CN112815076B (en) * | 2021-03-05 | 2023-02-24 | 重庆长安汽车股份有限公司 | Clutch oil discharge structure of hybrid electric vehicle |
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