CN107269422A - A kind of cylinder head cover gas oil separation structure - Google Patents
A kind of cylinder head cover gas oil separation structure Download PDFInfo
- Publication number
- CN107269422A CN107269422A CN201710342961.4A CN201710342961A CN107269422A CN 107269422 A CN107269422 A CN 107269422A CN 201710342961 A CN201710342961 A CN 201710342961A CN 107269422 A CN107269422 A CN 107269422A
- Authority
- CN
- China
- Prior art keywords
- oil
- gas separation
- inner chamber
- air inlet
- gas
- 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.)
- Pending
Links
- 238000000926 separation method Methods 0.000 title claims abstract description 75
- 239000007789 gas Substances 0.000 abstract description 74
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 35
- 239000010721 machine oil Substances 0.000 description 10
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0433—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a deflection device, e.g. screen
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of cylinder head cover gas oil separation structure, it includes：Oil-gas Separation inner chamber, its is recessed in cylinder head cover；One end of the Oil-gas Separation inner chamber is provided with an escape pipe；Cover plate, it is covered on the bottom of the Oil-gas Separation inner chamber；The cover plate is provided with an air inlet connected with the other end of the Oil-gas Separation inner chamber, and at least one spill port is provided with the cover plate, and each spill port is connected with an oil return pipe；And dividing plate, intracavitary is provided with several dividing plates in the Oil-gas Separation, the Oil-gas Separation inner chamber is separated into a serpentine channel by several dividing plates, and one end of the serpentine channel is corresponding with the air inlet, and the other end of the serpentine channel is corresponding with the escape pipe.The design of the present invention is simple, and compact conformation, easy to manufacture and cost are low, and crank case gases enter behind Oil-gas Separation inner chamber and elaioleucite is separated by hitting dividing plate, its good oil gas separation effect.
Description
Technical field
The present invention relates to cylinder cover of engine field, more particularly to a kind of cylinder head cover gas oil separation structure.
Background technology
With the fast development of internal combustion engine industry, exhaust emission is also increasingly seriously threatening human ecological environment.How
Effectively reduce the discharge of engine exhaust gas pollutant turns into an important subject in world today's environmental protection.Internal combustion
Pollutant in machine discharge is mainly derived from the burning of diesel oil, and fraction is machine oil in addition.When the engine operates, crankcase
A small amount of machine oil can be brought into combustion chambers burn by gas, because machine oil can not burn completely, cause waste gas can be to engine exhaust
Had a negative impact with environment.Therefore, it is necessary to the oil-gas separation efficiency of cylinder head cover be lifted, to be isolated more from crankcase waste gas
Many machine oil cocurrent oil return drain pans.
At present, gs-oil separator is one part of crankshaft of diesel engine box ventilation system most critical, and its effect is by song
Machine oil in axle box gas blowby is separated, and then reduces the pollutant load in gas blowby.With diesel engine emissions regulations increasingly
Strictly, crankcase gas blowby accounts for that the proportion discharged pollutants is increasing, so that the separative efficiency to gs-oil separator requires more next
It is higher.Existing gs-oil separator it is complicated, volume is larger, and separation separative efficiency can not meet now to Oil-gas Separation
The high request that the separative efficiency of device is proposed.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the present invention, without answering
When the prior art for being considered as recognizing or implying the information structure in any form well known to persons skilled in the art.
The content of the invention
It is an object of the invention to provide a kind of cylinder head cover gas oil separation structure, so as to overcome existing gs-oil separator
Complicated, volume is larger and separation separative efficiency can not meet the high request that the separative efficiency now to gs-oil separator is proposed
Shortcoming.
To achieve the above object, the invention provides a kind of cylinder head cover gas oil separation structure, wherein, including：Oil-gas Separation
Inner chamber, its is recessed in cylinder head cover；One end of the Oil-gas Separation inner chamber is provided with an escape pipe；Cover plate, it is covered on the oil
Bottom of the qi leel from inner chamber；The cover plate is provided with an air inlet connected with the other end of the Oil-gas Separation inner chamber, and the lid
At least one spill port is provided with plate, each spill port is connected with an oil return pipe；And dividing plate, the Oil-gas Separation
Interior intracavitary is provided with several dividing plates, and the Oil-gas Separation inner chamber is separated into a serpentine channel by several dividing plates, described
One end of serpentine channel is corresponding with the air inlet, and the other end of the serpentine channel is corresponding with the escape pipe.
Preferably, in above-mentioned technical proposal, one is provided between the adjacent dividing plate of any two on the cover plate
The individual spill port.
Preferably, in above-mentioned technical proposal, each spill port be located in the Oil-gas Separation aperture of intracavitary with
At least one is recessed in the oil return groove connection on the cover plate.
Preferably, in above-mentioned technical proposal, be provided with the cover plate one be located at the Oil-gas Separation in intracavitary and with institute
The air inlet pipe of air inlet connection is stated, the top of the side wall of the air inlet pipe is provided with several air admission holes；In the Oil-gas Separation
Intracavitary is provided with the airscoop shroud lid on the top for being sheathed on the air inlet pipe, inwall and the air inlet pipe of the airscoop shroud lid
Gap is left between outer wall, and the inner chamber of the air inlet pipe is communicated with the inner chamber of the airscoop shroud lid by the air admission hole.
Compared with prior art, the present invention has the advantages that：
1st, design of the invention is simple, and compact conformation, easy to manufacture and cost are low, and crank case gases enter oil gas point
Elaioleucite is separated by hitting dividing plate from behind inner chamber, its good oil gas separation effect.
2nd, the present invention by setting air inlet pipe on the cover board, and intracavitary is correspondingly arranged airscoop shroud lid, energy in Oil-gas Separation
Crank case gases are enough made first to hit airscoop shroud lid inwall when entering Oil-gas Separation inner chamber, further to improve Oil-gas Separation effect
Really.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram according to cylinder head cover gas oil separation structure of the present invention.
Fig. 2 is the exploded view of the cylinder head cover gas oil separation structure according to the present invention.
Main Reference Numerals explanation：
1- cylinder head covers, 2- cover plates, 3- air inlets, 4- air inlet pipe, 5- oil return pipes, 6- oil-gas separation chambers, 7- escape pipes, 8- every
Plate, 9- spill ports, 10- oil return grooves, 11- airscoop shroud lids, 12- air admission holes.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment to the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not limited by embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members
Part or other parts.
Fig. 1 to Fig. 2 shows that a kind of structure of cylinder head cover gas oil separation structure according to the preferred embodiment of the present invention is shown
It is intended to, the cylinder head cover gas oil separation structure includes Oil-gas Separation inner chamber 6, cover plate 2 and dividing plate 8, with reference to Fig. 2, in Oil-gas Separation
Chamber 6 is recessed, and in cylinder head cover 1, the left end of Oil-gas Separation inner chamber 6 is located at the left side of cylinder head cover 1, and right-hand member is located in cylinder head cover 1
Portion.One end of Oil-gas Separation inner chamber 6 is provided with an escape pipe 7, escape pipe 7 can be arranged at the left end of Oil-gas Separation inner chamber 6.
One end of escape pipe 7 be located at Oil-gas Separation inner chamber 6 in, and escape pipe 7 the other end pass through cylinder head cover 1 after communicated with the external world, from
And the gas in Oil-gas Separation inner chamber 6 can be vented directly to the external world.
With reference to Fig. 1 and Fig. 2, cover plate 2 is covered on the bottom of Oil-gas Separation inner chamber 6, and cover plate 2 is provided with one and Oil-gas Separation
The air inlet 3 of the other end connection of chamber 6, so that air inlet 3 and escape pipe 7 are each positioned at one end of Oil-gas Separation inner chamber 6, bent axle
Case gas is entered in Oil-gas Separation inner chamber 6 from air inlet 3 and discharged again from escape pipe 7 after progress Oil-gas Separation.Set on cover plate 2
There is at least one spill port 9, each spill port 9 is connected with an oil return pipe 5, and one end of oil return pipe 5 is fixed on spill port 9,
Oil return pipe 5 after oil is from the residual titration of oil return pipe 5 to cylinder cap, can return oil sump between cylinder cap and cylinder head cover 1
It is interior, so that the machine oil isolated is back in oil sump.
With continued reference to Fig. 2, several dividing plates 8 are provided with Oil-gas Separation inner chamber 6, several dividing plates 8 are in Oil-gas Separation
Chamber 6 is separated into a serpentine channel, and one end of serpentine channel is corresponding with air inlet 3, and 7 pairs of the other end and escape pipe of serpentine channel
Should.Can be that former and later two relative side walls in Oil-gas Separation inner chamber 6 are each provided with least one dividing plate 8, former and later two sides
Dividing plate 8 on wall is interspersed, and leaves space between the rear end for the dividing plate 8 being arranged on front side wall and rear wall, is arranged at
Space is left between the front end of dividing plate 8 on rear wall and front side wall, so as to form the serpentine channel of folded bent.For example, can
To be set on the front side wall of Oil-gas Separation inner chamber 6, a dividing plate 8 is set on two dividing plates 8, rear wall, just can be Oil-gas Separation
Inner chamber 6 is separated into four chambers for connecting into serpentine channel.
The design of the present invention is simple, and compact conformation, easy to manufacture and cost are low, and crank case gases enter from air inlet 3
To after Oil-gas Separation inner chamber 6, elaioleucite is separated by hitting dividing plate 8 when flowing through serpentine channel, the gas after separation
Discharged from escape pipe 7, and the machine oil separated is back to oil sump by spill port 9 and oil return pipe 5 and carries out repeating profit
With.The good oil gas separation effect of the present invention, disclosure satisfy that the high request that the separative efficiency now to gs-oil separator is proposed.It is preferred that
A spill port 9 is provided between the adjacent dividing plate 8 of any two on ground, cover plate 2, so as to make two neighboring dividing plate 8
Between the machine oil that is recovered in the chamber that is formed can be discharged in time from spill port 9.It is further preferred that with continued reference to Fig. 2, each
The aperture being located in Oil-gas Separation inner chamber 6 of spill port 9 is connected with least one recessed oil return groove 10 on cover plate 2, is returned
Oily groove 10 is located in Oil-gas Separation inner chamber 6, and oil return groove 10 is less than the plate face being located in Oil-gas Separation inner chamber 6 of cover plate 2,
Consequently facilitating the machine oil separated is collected rear concentrated vectoring to spill port 9 in time.
With continued reference to Fig. 1 and Fig. 2, further, one is provided with cover plate 2 and is located in Oil-gas Separation inner chamber 6 and and air inlet
The air inlet pipe 4 of the connection of mouth 3, the top of the side wall of air inlet pipe 4, which is provided with several air admission holes 12, Oil-gas Separation inner chamber 6, to be set
There is the airscoop shroud lid 11 on the top for being sheathed on air inlet pipe 4, between being left between the inwall of airscoop shroud lid 11 and the outer wall of air inlet pipe 4
Gap, and the inner chamber of air inlet pipe 4 communicated with the inner chamber of airscoop shroud lid 11 by air admission hole 12, lower end and the cover plate 2 of airscoop shroud lid 11
Between leave space, the upper end of air inlet pipe 4 directly can be covered or directly air inlet by the roof of airscoop shroud lid 11
The upper end of pipe 4 is arranged to closing.Crank case gases, can only be from each air admission hole 12 after air inlet 3 is entered in air inlet pipe 4
It is flowed into airscoop shroud lid 11, finally the space between the lower end of airscoop shroud lid 11 and cover plate 2 is flowed in Oil-gas Separation inner chamber 6
Serpentine channel in.Crank case gases are first hit when being flowed into airscoop shroud lid 11 from air admission hole 12 with the inwall of airscoop shroud lid 11
Hit, so as to can also make machine oil be separated from crank case gases, further to improve oil gas separation.
It is foregoing to the present invention specific illustrative embodiment description be in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can be much changed
And change.The purpose of selecting and describing the exemplary embodiment is that explaining that the certain principles and its reality of the present invention should
With so that those skilled in the art can realize and using the present invention a variety of exemplaries and
A variety of selections and change.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (4)
1. a kind of cylinder head cover gas oil separation structure, it is characterised in that including：
Oil-gas Separation inner chamber, its is recessed in cylinder head cover；One end of the Oil-gas Separation inner chamber is provided with an escape pipe；
Cover plate, it is covered on the bottom of the Oil-gas Separation inner chamber；It is another with the Oil-gas Separation inner chamber that the cover plate is provided with one
The air inlet of one end connection, and at least one spill port is provided with the cover plate, each spill port and an oil return pipe connect
Connect；And
Intracavitary is provided with several dividing plates in dividing plate, the Oil-gas Separation, and several dividing plates are the Oil-gas Separation inner chamber
Be separated into a serpentine channel, one end of the serpentine channel is corresponding with the air inlet, and the other end of the serpentine channel with
The escape pipe correspondence.
2. cylinder head cover gas oil separation structure according to claim 1, it is characterised in that in any two phase on the cover plate
A spill port is provided between the adjacent dividing plate.
3. cylinder head cover gas oil separation structure according to claim 1, it is characterised in that each spill port is located at institute
The aperture of intracavitary in Oil-gas Separation is stated to be connected with least one recessed oil return groove on the cover plate.
4. cylinder head cover gas oil separation structure according to claim 1, it is characterised in that be provided with one on the cover plate and be located at
Intracavitary and the air inlet pipe being connected with the air inlet in the Oil-gas Separation, the top of the side wall of the air inlet pipe are provided with some
Individual air admission hole；Intracavitary is provided with the airscoop shroud lid on the top for being sheathed on the air inlet pipe, the air inlet in the Oil-gas Separation
Cover and leave gap between the inwall of lid and the outer wall of the air inlet pipe, and the inner chamber of the air inlet pipe and the airscoop shroud lid is interior
Chamber is communicated by the air admission hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710342961.4A CN107269422A (en) | 2017-05-16 | 2017-05-16 | A kind of cylinder head cover gas oil separation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710342961.4A CN107269422A (en) | 2017-05-16 | 2017-05-16 | A kind of cylinder head cover gas oil separation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107269422A true CN107269422A (en) | 2017-10-20 |
Family
ID=60065535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710342961.4A Pending CN107269422A (en) | 2017-05-16 | 2017-05-16 | A kind of cylinder head cover gas oil separation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107269422A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114790952A (en) * | 2022-05-10 | 2022-07-26 | 广西玉柴动力股份有限公司 | Oil-gas separator for cylinder head cover with water jacket structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1555455A (en) * | 2001-09-18 | 2004-12-15 | ������������ʽ���� | Breather device for engine |
| JP2009197750A (en) * | 2008-02-25 | 2009-09-03 | Daikyonishikawa Corp | Structure of oil separator |
| CN203394609U (en) * | 2013-07-03 | 2014-01-15 | 广西玉柴机器股份有限公司 | Crankcase ventilation device |
| CN203655383U (en) * | 2013-11-11 | 2014-06-18 | 东风汽车公司 | Oil-gas separation structure of engine |
| US20170002704A1 (en) * | 2015-06-30 | 2017-01-05 | Honda Motor Co., Ltd. | Breather device for internal combustion engine |
| CN206845330U (en) * | 2017-05-16 | 2018-01-05 | 广西玉柴动力机械有限公司 | A kind of cylinder head cover gas oil separation structure |
-
2017
- 2017-05-16 CN CN201710342961.4A patent/CN107269422A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1555455A (en) * | 2001-09-18 | 2004-12-15 | ������������ʽ���� | Breather device for engine |
| JP2009197750A (en) * | 2008-02-25 | 2009-09-03 | Daikyonishikawa Corp | Structure of oil separator |
| CN203394609U (en) * | 2013-07-03 | 2014-01-15 | 广西玉柴机器股份有限公司 | Crankcase ventilation device |
| CN203655383U (en) * | 2013-11-11 | 2014-06-18 | 东风汽车公司 | Oil-gas separation structure of engine |
| US20170002704A1 (en) * | 2015-06-30 | 2017-01-05 | Honda Motor Co., Ltd. | Breather device for internal combustion engine |
| CN206845330U (en) * | 2017-05-16 | 2018-01-05 | 广西玉柴动力机械有限公司 | A kind of cylinder head cover gas oil separation structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114790952A (en) * | 2022-05-10 | 2022-07-26 | 广西玉柴动力股份有限公司 | Oil-gas separator for cylinder head cover with water jacket structure |
| CN114790952B (en) * | 2022-05-10 | 2024-02-27 | 广西玉柴动力股份有限公司 | Oil-gas separator with water jacket structure for cylinder head cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171020 |
|
| RJ01 | Rejection of invention patent application after publication |