CN206845330U - 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
- CN206845330U CN206845330U CN201720539848.0U CN201720539848U CN206845330U CN 206845330 U CN206845330 U CN 206845330U CN 201720539848 U CN201720539848 U CN 201720539848U CN 206845330 U CN206845330 U CN 206845330U
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- Prior art keywords
- oil
- gas separation
- inner chamber
- air inlet
- gas
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Abstract
The utility model 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.Design of the present utility model is simple, and compact-sized, easy to manufacture and cost is low, and crank case gases separate elaioleucite by hitting dividing plate after entering Oil-gas Separation inner chamber, its good oil gas separation effect.
Description
Technical field
Cylinder cover of engine field is the utility model is related to, 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 also in getting worse threatens human ecological environment.How
The discharge of engine exhaust gas pollutant is effectively reduced as 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 is unable to completely burned, 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 is lifted, to be isolated more from crankcase waste gas
More 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 to discharge pollutants is increasing, so as to require more next to the separative efficiency of gs-oil separator
It is higher.Existing gs-oil separator it is complicated, volume is larger, and separate separative efficiency can not meet now to Oil-gas Separation
The high request that the separative efficiency of device proposes.
The information for being disclosed in the background section is merely intended to increase the understanding to general background of the present utility model, and
It is not construed as recognizing or implies that the information structure has been existing well known to persons skilled in the art in any form
Technology.
Utility model content
The purpose of this utility model is to provide a kind of cylinder head cover gas oil separation structure, so as to overcome existing Oil-gas Separation
The complicated of device, volume are larger and separate the height that separative efficiency can not meet to propose the separative efficiency of gs-oil separator now
It is required that the shortcomings that.
To achieve the above object, the utility model provides a kind of cylinder head cover gas oil separation structure, wherein, including：Oil gas
Inner chamber is separated, 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 institute
State the bottom of 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, each spill port is connected with an oil return pipe；And dividing plate, the oil gas
Intracavitary is provided with several dividing plates in separation, and the Oil-gas Separation inner chamber is separated into a serpentine channel by several dividing plates,
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.
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 positioned at the aperture of intracavitary in the Oil-gas Separation with
It is at least one recessed in the oil return groove connection on the cover plate.
Preferably, in above-mentioned technical proposal, be provided with the cover plate one in the Oil-gas Separation 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 utility model has the advantages that：
1st, design of the present utility model is simple, and compact-sized, easy to manufacture and cost is low, and crank case gases enter oil
Qi leel separates elaioleucite by hitting dividing plate from behind inner chamber, its good oil gas separation effect.
2nd, the utility model by setting air inlet pipe on the cover board, and intracavitary is correspondingly arranged airscoop shroud in Oil-gas Separation
Lid, can make crank case gases first hit airscoop shroud lid inwall when entering Oil-gas Separation inner chamber, further to improve oil gas point
From effect.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram according to the utility model cylinder head cover gas oil separation structure.
Fig. 2 is the exploded view according to cylinder head cover gas oil separation structure of the present utility model.
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, specific embodiment of the present utility model is described in detail, it is to be understood that this practicality
New protection domain 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 a kind of knot of cylinder head cover gas oil separation structure according to the utility model preferred embodiment
Structure schematic diagram, the cylinder head cover gas oil separation structure include Oil-gas Separation inner chamber 6, cover plate 2 and dividing plate 8, with reference to figure 2, oil gas point
Recessed from inner chamber 6 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 at cylinder head cover 1
Middle part.One end of Oil-gas Separation inner chamber 6 is provided with an escape pipe 7, escape pipe 7 can be arranged at a left side for Oil-gas Separation inner chamber 6
End.One end of escape pipe 7 is located in Oil-gas Separation inner chamber 6, and the other end of escape pipe 7 pass through cylinder head cover 1 after communicated with the external world,
So as to which the gas in Oil-gas Separation inner chamber 6 is vented directly to the external world.
With reference to figure 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 the other end of serpentine channel and escape pipe 7 are right
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 set two dividing plates 8 on the front side wall of Oil-gas Separation inner chamber 6, a dividing plate 8 is set on rear wall, can be Oil-gas Separation
Inner chamber 6 is separated into four chambers for connecting into serpentine channel.
Design of the present utility model is simple, and compact-sized, easy to manufacture and cost is low, and crank case gases are from air inlet 3
After entering Oil-gas Separation inner chamber 6, elaioleucite is separated by hitting dividing plate 8 when flowing through serpentine channel, after separation
Gas discharges 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 weight
It is multiple to utilize.Good oil gas separation effect of the present utility model, it disclosure satisfy that the height proposed now to the separative efficiency of gs-oil separator
It is required that.Preferably, a spill port 9 is provided between the adjacent dividing plate 8 of any two on cover plate 2, it is adjacent so as to make
The machine oil being recovered in the chamber formed between two dividing plates 8 can discharge from spill port 9 in time.It is further preferred that continue to join
Examine Fig. 2, the aperture in Oil-gas Separation inner chamber 6 of each spill port 9 with it is at least one recessed in the oil return groove on cover plate 2
10 connections, oil return groove 10 are located in Oil-gas Separation inner chamber 6, and oil return groove 10 is located at Oil-gas Separation inner chamber 6 less than cover plate 2
Interior plate face, 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, an and and air inlet interior positioned at Oil-gas Separation inner chamber 6 is provided with cover plate 2
The air inlet pipe 4 of the connection of mouth 3, the top of the side wall of air inlet pipe 4 are provided with several air admission holes 12, set in Oil-gas Separation inner chamber 6
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 is 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.
The foregoing description to specific illustrative embodiment of the present utility model is to illustrate and the purpose of illustration.These
Description is not wishing to for the utility model to be defined to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can carry out
It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explain certain principles of the present utility model
And its practical application, so that those skilled in the art can realize and utilize a variety of examples of the present utility model
Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shape
Formula is limited.
Claims (4)
- A kind of 1. 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；AndDividing plate, intracavitary is provided with several dividing plates in 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 is corresponding.
- 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 |
|---|---|---|---|
| CN201720539848.0U CN206845330U (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 |
|---|---|---|---|
| CN201720539848.0U CN206845330U (en) | 2017-05-16 | 2017-05-16 | A kind of cylinder head cover gas oil separation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206845330U true CN206845330U (en) | 2018-01-05 |
Family
ID=60796528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720539848.0U Expired - Fee Related CN206845330U (en) | 2017-05-16 | 2017-05-16 | A kind of cylinder head cover gas oil separation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206845330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269422A (en) * | 2017-05-16 | 2017-10-20 | 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 CN201720539848.0U patent/CN206845330U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269422A (en) * | 2017-05-16 | 2017-10-20 | 广西玉柴动力机械有限公司 | A kind of cylinder head cover gas oil separation structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 537005 Yuchai Industrial Park, Yulin, the Guangxi Zhuang Autonomous Region Patentee after: GUANGXI YUCHAI POWER CO.,LTD. Address before: 537005 Yuchai Industrial Park, Yulin, the Guangxi Zhuang Autonomous Region Patentee before: GUANGXI YUCHAI POWER MACHINERY Co.,Ltd. |
|
| 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: 20180105 |