CN206000638U - A kind of gas oil separation structure being integrated within engine cylinder cover - Google Patents
A kind of gas oil separation structure being integrated within engine cylinder cover Download PDFInfo
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- CN206000638U CN206000638U CN201621041889.9U CN201621041889U CN206000638U CN 206000638 U CN206000638 U CN 206000638U CN 201621041889 U CN201621041889 U CN 201621041889U CN 206000638 U CN206000638 U CN 206000638U
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- oil
- gas
- baffle plate
- split tunnel
- separation
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Abstract
This utility model provides a kind of gas oil separation structure being integrated within engine cylinder cover, belongs to automobile technical field.It solves the problems, such as that how to simplify gas oil separation structure realizes so that manufacturing cost is reduced while Oil-gas Separation.Electromotor includes cylinder cap and the intake manifold flange being located on cylinder cap, this gas oil separation structure includes the Oil-gas Separation labyrinth of casting in cylinder cap, Oil-gas Separation labyrinth includes Oil-gas Separation passage, the skimming baffle being located in Oil-gas Separation passage and the oil gas entrance communicating with Oil-gas Separation passage, oil return opening and PCV installing hole, and PCV mounting hole site is in intake manifold flange.Gas oil separation structure directly casting in cylinder cap, structure is simple, and manufacturing process is ripe, and amount of parts is few, low cost of manufacture, good oil gas separation effect simultaneously.
Description
Technical field
This utility model belongs to automobile technical field, is related to a kind of Oil-gas Separation being integrated within engine cylinder cover knot
Structure.
Background technology
Engine oil gas separating system generally comprises gs-oil separator, the cylinder head casing being provided with ventilation duct and is used for connecting oil
Gas separating device and the air inlet pipe of ventilation duct；When electromotor work, in the high temperature and high pressure gas of expansion stroke combustor inner cylinder
Can scurry in crankcase along the gap between piston component and cylinder wall, therefore electromotor is provided with crankcase bleeder and makes
These waste gas can be discharged, and gs-oil separator is just arranged in the passage of crankcase bleeder and carries out mist of oil separation；With
Country is more and more stricter to car load emission request, and in engine crankshaft ventilation system, gs-oil separator separating effect is to car load
Discharge has a significant impact, and therefore main engine plants require also more and more higher to the separating effect of gs-oil separator.
In prior art, cylinder head casing is typically integrated with labyrinth type oil gas separation structure, such as Chinese patent【Application number：
201110328710.3；Application publication number：CN102418576A】Disclose a kind of Clapboard-type cylinder head cover oil-gas separation device, bag
Include cylinder head cover and the horizontal baffle being arranged in cylinder head cover, the top of described cylinder head cover is provided with downward first baffle, level
The top of dividing plate is provided with second baffle upwards, and described first baffle and second baffle interlaced arrangement formation one are corrugated
Oil-gas Separation passage, the import of described Oil-gas Separation passage is arranged on the bottom of cylinder head cover, and outlet is arranged on the side wall of cylinder head cover
On, described dividing plate is provided with spill port, described cylinder head cover and horizontal baffle are respectively adopted engineering plastics injection mo(u)lding, then pass through
Friction welding (FW) links together.
There is following defect in aforementioned barriers formula cylinder cover oil-gas separating device：1st, each baffle plate of above-mentioned gas and oil separating plant leads to
Cross on friction welding (FW) and cylinder cap, manufacturing process is complicated, manufacturing cost is high；2nd, because outlet is arranged on the side wall of cylinder head cover, Pcv valve
It is assemblied in outlet, its assembly technology is related to gluing, installs pipe collar, fixing bolt etc., and technique manufacturing cost is higher；3rd, crankcase
During interior gas blowby imports to inlet manifold, Oil-gas Separation unit and Pcv valve, Pcv valve and flexible pipe, flexible pipe and inlet manifold
All there is the risk of gas leakage；4th, Pcv valve is arranged in external engine, easily freezes when temperature is relatively low.
Content of the invention
The purpose of this utility model is that there are the problems referred to above it is proposed that one kind is integrated in engine cylinder for existing technology
The internal gas oil separation structure of lid, the technical problem of this utility model solution is how to simplify gas oil separation structure and realize oil gas to divide
From while make manufacturing cost reduce.
The purpose of this utility model can be realized by following technical proposal：A kind of oil being integrated within engine cylinder cover
Gas separation structure, described electromotor includes cylinder cap and the intake manifold flange on cylinder cap it is characterised in that described oil gas divides
Include the Oil-gas Separation labyrinth of casting in described cylinder cap from structure, described Oil-gas Separation labyrinth includes Oil-gas Separation and leads to
Road, the skimming baffle being located in Oil-gas Separation passage and the oil gas entrance being communicated with Oil-gas Separation passage, oil return opening and PCV are installed
Hole, described PCV mounting hole site is in intake manifold flange.
It is different from prior art, be originally integrated in the gas oil separation structure within engine cylinder cover and pass through directly to exist using core
Casting Oil-gas Separation labyrinth in cylinder cap, reduces cost while realizing Oil-gas Separation；Specifically, Oil-gas Separation is led to
Road, oil gas entrance, oil return opening, skimming baffle and PCV installing hole are all integrally formed with cylinder cap, and manufacturing process is ripe simple, favorably
In reduction manufacturing cost；Meanwhile, by being arranged in intake manifold flange PCV installing hole that is to say, that Pcv valve is embedded in
It is not necessary to traditional Pcv valve needs to apply when mounted fluid sealant, Simplified flowsheet in cylinder cap, reduce disclosure risk；And, it is not required to
Individually to arrange the parts such as flexible pipe, pipe collar, the crank case gases after separating enter directly in inlet manifold, decrease parts
Quantity, reduce further manufacturing cost, and the risk reducing the leakage of traditional Pcv valve each junction；In addition, because of Pcv valve
It is arranged in inside cylinder cap, temperature is higher, reduce the risk of freezed in winter.
In the above-mentioned gas oil separation structure being integrated within engine cylinder cover, described cylinder cap has four spark plugs
Installing hole, split tunnel one that described Oil-gas Separation passage includes being sequentially formed between two neighboring spark plug mounting hole, point
From passage two and split tunnel three, the upper end of described split tunnel one and split tunnel three is respectively provided with oil gas entrance, described separation
The lower end of passage one, split tunnel two and split tunnel three is respectively provided with oil return opening.By oil gas entrance is arranged in split tunnel
Upper end, oil return opening is arranged in split tunnel lower end, using action of gravity, is conducive to improving oil gas separation；Meanwhile, oil gas
The position of entrance can be arranged in cylinder cap top, by air inlet in the space being sealed between cylinder head cover and cylinder cap, or by cylinder cap
Grease chamber inside take gas.
In the above-mentioned gas oil separation structure being integrated within engine cylinder cover, described skimming baffle is included from cylinder cap top
Baffle plate one, baffle plate two, baffle plate three and baffle plate four that portion extends downwardly, described baffle plate one is located in split tunnel one and near corresponding
Oil gas entrance arrangement, described baffle plate two and baffle plate three be located in split tunnel two, and described baffle plate four is located in split tunnel three
And near corresponding oil gas entrance arrangement, described PCV installing hole is communicated with the middle part of split tunnel two.Skimming baffle adopts above-mentioned
Layout design, can guide crank case gases to be turned back inside split tunnel, because oil droplet is different from the inertia of gas, portion
Divide oil droplet collision baffle plate to collect and flow to oil return point, by above-mentioned design, through the multiple effect of baffle plate, thus it is effective to realize oil gas
Separate.
In the above-mentioned gas oil separation structure being integrated within engine cylinder cover, described baffle plate two and the equal direction of baffle plate three
PCV installing hole direction tilts.Baffle plate two and baffle plate three are by above-mentioned design so that the gas after separating can quickly introduce PCV
Valve, the machine oil after preventing separation gas from staying split tunnel and separating contacts mixing again, is conducive to improving separation efficiency.
In the above-mentioned gas oil separation structure being integrated within engine cylinder cover, described electromotor also includes cylinder body oil return
Road and the oil pan back oil road being connected with cylinder body back oil road, described oil return opening is connected with cylinder body back oil road.Oil pan oil return
The outlet in road is located at below the liquid level of oil pan, it is to avoid crank case gases carry out gas blowby by this drainback passage, lead in back oil road
Detached machine oil is blown back split tunnel, and then affects separation efficiency, causes engine oil consumption abnormal.
Compared with prior art, originally it is integrated in the gas oil separation structure within engine cylinder cover and there is advantages below：This oil
Gas separation structure directly casting in cylinder cap, structure is simple, and manufacturing process is ripe, and amount of parts is few, low cost of manufacture,
Good oil gas separation effect simultaneously.
Brief description
Fig. 1 is the cross section structure diagram of this gas oil separation structure.
Fig. 2 is the schematic diagram of this gas oil separation structure.
In figure, 1, cylinder cap；2nd, Oil-gas Separation passage；21st, split tunnel one；22nd, split tunnel two；23rd, split tunnel three；
3rd, skimming baffle；31st, baffle plate one；32nd, baffle plate two；33rd, baffle plate three；34th, baffle plate four；4th, oil gas entrance；5th, oil return opening；6、PCV
Installing hole；7th, spark plug mounting hole.
Specific embodiment
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further
Description, but this utility model is not limited to these embodiments.
Originally it is integrated in the gas oil separation structure within engine cylinder cover to include Oil-gas Separation passage 2, split tunnel 1, divide
Enter from passage 2 22, split tunnel 3 23, skimming baffle 3, baffle plate 1, baffle plate 2 32, baffle plate 3 33, baffle plate 4 34, oil gas
Mouth 4, oil return opening 5, PCV installing hole 6.
Specifically, as shown in figure 1, electromotor includes cylinder cap 1 and the intake manifold flange being located on cylinder cap 1.On cylinder cap 1
There are four spark plug mounting holes 7.This gas oil separation structure includes the Oil-gas Separation labyrinth of casting in cylinder cap 1, oil gas
Separate labyrinth to include Oil-gas Separation passage 2, the skimming baffle 3 being located in Oil-gas Separation passage 2 and communicate with Oil-gas Separation passage 2
Oil gas entrance 4, oil return opening 5 and PCV installing hole 6, PCV installing hole 6 is located in intake manifold flange.Electromotor also includes cylinder body
Back oil road and the oil pan back oil road being connected with cylinder body back oil road, oil return opening 5 is connected with cylinder body back oil road.
As shown in Fig. 2 wherein, Oil-gas Separation passage 2 includes being sequentially formed between two neighboring spark plug mounting hole 7
Split tunnel 1, split tunnel 2 22 and split tunnel 3 23, the upper end of split tunnel 1 and split tunnel 3 23 all has
There is oil gas entrance 4, the lower end of split tunnel 1, split tunnel 2 22 and split tunnel 3 23 is respectively provided with oil return opening 5.Separate and keep off
Plate 3 includes baffle plate 1, baffle plate 2 32, baffle plate 3 33 and the baffle plate 4 34 extending from cylinder cap 1 top down, and baffle plate 1 is located at
Arrange in split tunnel 1 and near corresponding oil gas entrance 4, baffle plate 2 32 and baffle plate 3 33 are located in split tunnel 2 22,
Baffle plate 4 34 is located in split tunnel 3 23 and arranges near corresponding oil gas entrance 4, PCV installing hole 6 and split tunnel 2 22
Middle part communicate.Baffle plate 2 32 and baffle plate 3 33 all tilt towards PCV installing hole 6 direction.
The operation principle of this gas oil separation structure is as follows：Crankcase oils oxygen mixture is in cylinder head cover by oil gas entrance 4
Enter Oil-gas Separation passage 2, through the guiding of skimming baffle 3, oil gas is turned back in Oil-gas Separation passage 2, part oil droplet
Collision baffle plate collects and flows to oil return opening 5, and the gas after separating is directly entered intake manifold flange by Pcv valve, flows into pressure stabilizing cavity, from
And realize Oil-gas Separation.
Specific embodiment described herein is only explanation for example to this utility model spirit.This utility model institute
Belong to those skilled in the art described specific embodiment can be made with various modifications or supplement or using similar
Mode substitute, but without departing from of the present utility model spirit or surmount scope defined in appended claims.
Although more employing cylinder cap 1, Oil-gas Separation passage 2, split tunnel 1, split tunnel 2 22 herein, dividing
From passage 3 23, skimming baffle 3, baffle plate 1, baffle plate 2 32, baffle plate 3 33, baffle plate 4 34, oil gas entrance 4, oil return opening 5,
The terms such as PCV installing hole 6, spark plug mounting hole 7, but it is not precluded from the probability using other terms.Using these terms only
Merely to more easily describing and explaining essence of the present utility model；Being construed as any additional restriction is all
Contrary with this utility model spirit.
Claims (5)
1. a kind of gas oil separation structure being integrated within engine cylinder cover, described electromotor includes cylinder cap (1) and is located at cylinder cap
(1) intake manifold flange on is it is characterised in that described gas oil separation structure includes casting in described cylinder cap (1)
Oil-gas Separation labyrinth, described Oil-gas Separation labyrinth includes Oil-gas Separation passage (2), the separation being located in Oil-gas Separation passage (2)
Baffle plate (3) and the oil gas entrance (4) communicating with Oil-gas Separation passage (2), oil return opening (5) and PCV installing hole (6), described PCV peace
Dress hole (6) is located in intake manifold flange.
2. the gas oil separation structure being integrated within engine cylinder cover according to claim 1 is it is characterised in that described cylinder
Four spark plug mounting holes (7) are had on lid (1), described Oil-gas Separation passage (2) includes being sequentially formed at two neighboring spark
Split tunnel one (21) between plug installing hole (7), split tunnel two (22) and split tunnel three (23), described split tunnel one
And the upper end of split tunnel three (23) is respectively provided with oil gas entrance (4), described split tunnel one (21), split tunnel two (22) (21)
It is respectively provided with oil return opening (5) with the lower end of split tunnel three (23).
3. the gas oil separation structure being integrated within engine cylinder cover according to claim 2 is it is characterised in that described point
Include baffle plate one (31), baffle plate two (32), baffle plate three (33) and the baffle plate four extending from cylinder cap (1) top down from baffle plate (3)
(34), described baffle plate one (31) is located in split tunnel one (21) and near corresponding oil gas entrance (4) arrangement, described baffle plate two
(32) it is located in split tunnel two (22) with baffle plate three (33), described baffle plate four (34) is located in split tunnel three (23) and close
Corresponding oil gas entrance (4) arrangement, described PCV installing hole (6) is communicated with the middle part of split tunnel two (22).
4. the gas oil separation structure being integrated within engine cylinder cover according to claim 3 is it is characterised in that described gear
Plate two (32) and baffle plate three (33) all tilt towards PCV installing hole (6) direction.
5. the gas oil separation structure being integrated within engine cylinder cover according to claim 1 or 2 or 3 or 4, its feature exists
In described electromotor also includes cylinder body back oil road and the oil pan back oil road being connected with cylinder body back oil road, described oil return opening (5)
It is connected with cylinder body back oil road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621041889.9U CN206000638U (en) | 2016-09-06 | 2016-09-06 | A kind of gas oil separation structure being integrated within engine cylinder cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621041889.9U CN206000638U (en) | 2016-09-06 | 2016-09-06 | A kind of gas oil separation structure being integrated within engine cylinder cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206000638U true CN206000638U (en) | 2017-03-08 |
Family
ID=58193901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621041889.9U Expired - Fee Related CN206000638U (en) | 2016-09-06 | 2016-09-06 | A kind of gas oil separation structure being integrated within engine cylinder cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206000638U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678835A (en) * | 2018-03-29 | 2018-10-19 | 潍柴动力股份有限公司 | Gs-oil separator takes depressed structure and engine |
| CN110107422A (en) * | 2019-06-18 | 2019-08-09 | 安徽航瑞航空动力装备有限公司 | Diesel engine cylinder head and diesel engine |
| CN110566359A (en) * | 2019-09-12 | 2019-12-13 | 深圳臻宇新能源动力科技有限公司 | cylinder cover integrated with oil-gas separation channel and vehicle with cylinder cover |
| US10823019B2 (en) | 2018-07-31 | 2020-11-03 | Ford Global Technologies, Llc | Ducted positive crankcase ventilation plenum |
| CN113700570A (en) * | 2021-07-28 | 2021-11-26 | 湖南道依茨动力有限公司 | Engine cylinder block, engine and engineering machinery |
-
2016
- 2016-09-06 CN CN201621041889.9U patent/CN206000638U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678835A (en) * | 2018-03-29 | 2018-10-19 | 潍柴动力股份有限公司 | Gs-oil separator takes depressed structure and engine |
| US10823019B2 (en) | 2018-07-31 | 2020-11-03 | Ford Global Technologies, Llc | Ducted positive crankcase ventilation plenum |
| CN110107422A (en) * | 2019-06-18 | 2019-08-09 | 安徽航瑞航空动力装备有限公司 | Diesel engine cylinder head and diesel engine |
| CN110566359A (en) * | 2019-09-12 | 2019-12-13 | 深圳臻宇新能源动力科技有限公司 | cylinder cover integrated with oil-gas separation channel and vehicle with cylinder cover |
| CN113700570A (en) * | 2021-07-28 | 2021-11-26 | 湖南道依茨动力有限公司 | Engine cylinder block, engine and engineering machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315800 No. 1528 Hengshan Road, Xintao Street, Beilun District, Ningbo City, Zhejiang Province Patentee after: ZHEJIANG GEELY POWER ASSEMBLY Co.,Ltd. Address before: 315800 No. 1528 Hengshan Road, Xintao Street, Beilun District, Ningbo City, Zhejiang Province Patentee before: ZHEJIANG GEELY LUOYOU ENGINE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20210906 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |