CN201554524U - Structure capable of stopping portions of engine oil from entering labyrinth cover plate - Google Patents
Structure capable of stopping portions of engine oil from entering labyrinth cover plate Download PDFInfo
- Publication number
- CN201554524U CN201554524U CN2009200945104U CN200920094510U CN201554524U CN 201554524 U CN201554524 U CN 201554524U CN 2009200945104 U CN2009200945104 U CN 2009200945104U CN 200920094510 U CN200920094510 U CN 200920094510U CN 201554524 U CN201554524 U CN 201554524U
- Authority
- CN
- China
- Prior art keywords
- labyrinth
- cover plate
- oil
- box
- camshaft
- 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 - Lifetime
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Abstract
The utility model relates to a structure capable of stopping portions of engine oil from entering a labyrinth cover plate, which is characterized in that a square box is welded on one side of the labyrinth cover plate approaching a labyrinth, the box with enough height extends to the inner side of the ventilation labyrinth of a crank case on a cover lid and keeps an appropriate distance with the inner wall of the cover lid, and an air inlet is arranged on one side of the lateral wall of the box opposite to a rotating direction of a camshaft and arranged at a higher position of the lateral wall of the box. The structure can avoid oil thrown from the camshaft when the camshaft rotates entering the labyrinth, and actuate oil-gas separation once before oil-gas mixture enters the labyrinth on the cover lid, thereby greatly increasing ventilation oil-gas separation efficiency of the crank case.
Description
Technical field
But the utility model relates to a kind of blocking portion divides machine oil to enter the labyrinth structure of cover plate, but is the labyrinth cover plate inlet structure that a kind of blocking portion divides machine oil to enter the labyrinth, belongs to engine air cylinder cap lid design field.
Background technique
For keeping the balance of crankcase pressure, prevent that simultaneously oil gas from entering gas handling system, the structure of design crankcase ventilation labyrinth is extensively adopted by many motors in cover cap.And to design the labyrinth in the cover cap, just necessarily need the labyrinth cover plate.The main effect of labyrinth cover plate be with cover cap in the chamber, labyrinth form the labyrinth together, and reserve suction port in the position of needs.Traditional labyrinth cover plate structure is very simple, is a flat board or punching press steel plate; Along with improving constantly that engine performance requires, the design of simple labyrinth can not meet the demands, and concrete manifestation is exactly the not thorough of Oil-gas Separation when high engine speeds turns round, and causes too much machine oil to enter into gas handling system, influences combustion performance.So the labyrinth structure of motor is also constantly improving and innovation.
Summary of the invention
But the utility model purpose is to provide a kind of blocking portion to divide machine oil to enter the labyrinth structure of cover plate, and oil gas thoroughly separates when having satisfied the running of high engine speeds one-tenth, and fuel performance is improved; Strengthened the efficient of crankcase ventilation Oil-gas Separation greatly.
But the technical solution of the utility model is achieved in that a kind of blocking portion and divides machine oil to enter the labyrinth structure of cover plate, it is characterized in that: the face down bonding near the labyrinth on the cover plate of labyrinth connects a square box, the height of box extends to the inboard of the crankcase ventilation labyrinth on the cover cap, keeps at a distance with the cover cap inwall; Suction port is opened on cassette sidewall, and a side-inlet opposite with the camshaft sense of rotation opened the higher position in this cassette sidewall.
Good effect of the present utility model is: avoid entering into the labyrinth through the camshaft oil that throws away that rotatablely moves, and make fuel-air mixture before the labyrinth that enters on the cover cap, just carry out Oil-gas Separation one time, improved the efficient of crankcase ventilation Oil-gas Separation greatly.
Description of drawings
Fig. 1 is labyrinth cover plate figure;
Fig. 2 is the erection drawing of labyrinth cover plate.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described: as shown in Figure 1, 2, but a kind of blocking portion divides machine oil to enter the labyrinth structure of cover plate, it is characterized in that: the face down bonding near the labyrinth on labyrinth cover plate 4 connects a square box 1, the height of box 1 extends to the inboard of the crankcase ventilation labyrinth on the cover cap 3, keeps at a distance with cover cap 3 inwalls; Suction port 2 is opened on box 1 sidewall, and a side-inlet 2 opposite with the camshaft sense of rotation opened the higher position at this box 1 sidewall.The camshaft peach should be avoided in the position of box 1, and the volume size of box 1 is determined by following two factors: keep suitable distance with cover cap 3 inwalls 1..2. guarantee that suction port 2 areas satisfy the crankcase ventilation requirement.After satisfying at above 2, can avoid entering into the labyrinth through the camshaft oil that throws away that rotatablely moves.And be equivalent to before fuel-air mixture enters the labyrinth, just carry out Oil-gas Separation one time, because the oil in the fuel-air mixture is subjected to the effect of gravity, some can not move to inlet, and some moves on the roof that can impinge upon box 1 after the eminence or the sidewall and refluxes.This structure obviously reduces the oil that enters the labyrinth.
Claims (1)
1. but a blocking portion divides machine oil to enter the labyrinth structure of cover plate, it is characterized in that: a face down bonding of going up near the labyrinth at labyrinth cover plate (4) connects a square box (1), the height of box (1) extends to the inboard of the crankcase ventilation labyrinth on the cover cap (3), keeps at a distance with cover cap (3) inwall; Suction port (2) is opened on box (1) sidewall, and a side-inlet opposite with the camshaft sense of rotation opened the higher position in this cassette sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200945104U CN201554524U (en) | 2009-09-28 | 2009-09-28 | Structure capable of stopping portions of engine oil from entering labyrinth cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200945104U CN201554524U (en) | 2009-09-28 | 2009-09-28 | Structure capable of stopping portions of engine oil from entering labyrinth cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201554524U true CN201554524U (en) | 2010-08-18 |
Family
ID=42614206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200945104U Expired - Lifetime CN201554524U (en) | 2009-09-28 | 2009-09-28 | Structure capable of stopping portions of engine oil from entering labyrinth cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201554524U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536382A (en) * | 2010-12-24 | 2012-07-04 | 广西玉柴机器股份有限公司 | Oil gas pre-separation structure arranged at engine tappet cover plate |
| CN104179547A (en) * | 2013-05-23 | 2014-12-03 | 通用汽车环球科技运作有限责任公司 | Cam cover for a cylinder head of an internal combustion engine |
-
2009
- 2009-09-28 CN CN2009200945104U patent/CN201554524U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536382A (en) * | 2010-12-24 | 2012-07-04 | 广西玉柴机器股份有限公司 | Oil gas pre-separation structure arranged at engine tappet cover plate |
| CN104179547A (en) * | 2013-05-23 | 2014-12-03 | 通用汽车环球科技运作有限责任公司 | Cam cover for a cylinder head of an internal combustion engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100818 |
|
| CX01 | Expiry of patent term |