CN203769962U - Cover plate assembly - Google Patents
Cover plate assembly Download PDFInfo
- Publication number
- CN203769962U CN203769962U CN201420123839.XU CN201420123839U CN203769962U CN 203769962 U CN203769962 U CN 203769962U CN 201420123839 U CN201420123839 U CN 201420123839U CN 203769962 U CN203769962 U CN 203769962U
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- CN
- China
- Prior art keywords
- oil
- return
- cover plate
- return groove
- groove
- 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 - Fee Related
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a cover plate assembly and aims at providing a cover plate assembly capable of effectively improving oil gas separation efficiency. The cover plate assembly comprises a cover plate body and an oil return assembly. The oil return assembly comprises an oil return bend and a rail plate. An oil return groove is formed in the cover plate body, the oil return bend is installed at the bottom of the oil return groove, the rail plate is installed on the edge of the oil return groove, and an included angle is formed between the rail plate and the plane of the oil return groove. The cover plate assembly has the advantages of effectively improving oil gas separation efficiency by means of matched use of the oil return bend pipe and the rail plate, reducing content of engine oil in an oil gas separation chamber, and being favorable for engine oil recycling, simple in structure and convenient to operate.
Description
Technical field
The utility model relates to engine component correlative technology field, refers in particular to a kind of cover plate assembly.
Background technique
Engine cylinder cover belongs to distribution device at internal-combustion engine, mainly for sealing cylinder upper, form firing chamber, and as camshaft and pitman arm shaft, also has the support of air inlet-outlet pipe, mainly that air is drawn onto to cylinder internal, spark plug is lighted burning mixture, drives piston acting, and waste gas is discharged from outlet pipe.In the motor of multiple series, on cylinder head cover Oil-gas Separation room cover plate, just offer spill port, part crankcase gas blowby does not just directly enter into the indoor atmosphere that is then directly discharged to of Oil-gas Separation from offered spill port through split tunnel, owing to not passing through Oil-gas Separation passage, this part gas blowby contains a large amount of machine oil, the increase that pollutes the environment and can cause engine motor oil to consume, user's machine oil of having to often supplement, causes engine maintenance cost to increase.
Chinese patent notice of authorization number: CN201013419Y, on January 30 2008 notice of authorization day, disclose a kind of cylinder head cover Oil-gas Separation room cover plate assembly, comprises cover plate and oil return member, described oil return member is oil return bend pipe, and oil return bend pipe closely connects on the cover board.This cover plate assembly makes a part of machine oil be deposited on oil return bend pipe curved section, thereby Oil-gas Separation chamber and cylinder head cover chamber are separated, avoid the gas with machine oil of cylinder head cover chamber directly to enter in Oil-gas Separation chamber by drainback passage, improved the efficiency of Oil-gas Separation.The deficiency of this model utility is, this cover plate assembly in use, the gas with machine oil of cylinder head cover chamber directly enters in Oil-gas Separation chamber by drainback passage, although there is part machine oil can be left in drainback passage, but it is indoor that the gas that also has part band machine oil enters into Oil-gas Separation, make the Efficiency Decreasing of Oil-gas Separation.
Model utility content
The utility model is to have above-mentioned deficiency in order to overcome in prior art, and a kind of cover plate assembly that can effectively improve oil-gas separation efficiency is provided.
To achieve these goals, the utility model is by the following technical solutions:
A kind of cover plate assembly, comprise cover board body and oil return assembly, described oil return assembly comprises oil return bend pipe and sideboard, described cover board body is provided with oil-return groove, described oil return bend pipe is arranged on the bottom of oil-return groove, and described sideboard is arranged on the edge of oil-return groove and at a certain angle with the plane shape at oil-return groove place.
In the utility model, cover board body and oil return assembly are used in conjunction with, a part of machine oil is deposited in the oil return bend pipe of oil return assembly, carry out primary Oil-gas Separation, and Oil-gas Separation chamber and cylinder head cover chamber are separated, avoided the indoor gas with machine oil of cylinder head cover directly to enter in Oil-gas Separation chamber; In addition, the gas of process oil return bend pipe is when entering into Oil-gas Separation chamber, can first run into the sideboard that is placed in oil-return groove top, after gas runs into sideboard, can further the machine oil in gas be attached on sideboard, and machine oil on rear board flow in oil-return groove along sideboard, and then enter into oil return bend pipe, carry out secondary Oil-gas Separation, design effectively raises the efficiency of Oil-gas Separation like this.
As preferably, described oil return bend pipe comprises semicircular pipe and straight tube, and the length of described straight tube is greater than the length of semicircular pipe, and described oil return bend pipe is integrated, described oil return bend pipe be shaped as J-shaped shape.By the cooperation of semicircular pipe and straight tube, machine oil can be deposited in semicircular pipe, and the length of straight tube is greater than the length of semicircular pipe, the machine oil that can effectively prevent from being deposited in semicircular pipe is back in Oil-gas Separation chamber.
As preferably, being shaped as of described oil-return groove is square, the openings of sizes of described oil-return groove reduces gradually from opening to bottom, the shape of cross section of described oil-return groove is isosceles trapezoid, described oil return bend pipe is arranged in the middle of the bottom of oil-return groove, described oil return bend pipe and oil-return groove are integrated, and described sideboard is arranged on opening one edge of oil-return groove.While entering into Oil-gas Separation chamber with the gas of machine oil, touching sideboard is attached on sideboard surface machine oil, machine oil on sideboard enters into oil-return groove along sideboard, the structure of oil-return groove is back in oil return bend pipe machine oil, the further recovery of machine oil is convenient in design like this, has improved the efficiency of Oil-gas Separation.
As preferably, the distance of described oil-return groove from opening to bottom is less than 0.5cm, and described sideboard one end is closely connected on cover board body, and the angle that the opening place plane of the described sideboard the other end and oil-return groove forms is less than 30 degree.Can as much as possible the machine oil being attached in sideboard surface and oil-return groove be back in oil return bend pipe, reduce the content of the indoor machine oil of Oil-gas Separation, simple in structure, easy to operate.
As preferably, described cover board body is provided with the groove of two X word shapes.The machine oil in oil gas separation chamber can be further reclaimed in design like this, can be deposited in groove, is conducive to the recovery of machine oil.
As preferably, described cover board body is provided with the locating slot raising up, and the edge of described cover board body is provided with some fixed holes.The installation of being convenient to this cover plate assembly is fixed, simple in structure, easy to operate.
The beneficial effects of the utility model are: by being used in conjunction with of oil return bend pipe and sideboard, effectively raise oil-gas separation efficiency, reduced the content of the indoor machine oil of Oil-gas Separation, and be conducive to the recycling of machine oil, and simple in structure, easy to operate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the cross-sectional view at AA place in Fig. 1;
Fig. 3 is the cross-sectional view at BB place in Fig. 1.
In figure: 1. cover board body, 2. oil return bend pipe, 21. semicircular pipes, 22. straight tubes, 3. oil-return groove, 4. groove, 5. locating slot, 6. fixed hole, 7. sideboard.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
As Fig. 1, Fig. 2, in embodiment described in Fig. 3, a kind of cover plate assembly, comprise cover board body 1 and oil return assembly, oil return assembly comprises oil return bend pipe 2 and sideboard 7, cover board body 1 is provided with oil-return groove 3, oil-return groove 3 is less than 0.5cm to the distance on the face of place, bottom from this end face of opening, oil return bend pipe 2 is arranged on the face center, place, bottom of oil-return groove 3, sideboard 7 is arranged on the edge of oil-return groove 3 and at a certain angle with the plane shape at oil-return groove 3 places, wherein: being shaped as of oil-return groove 3 is square, the openings of sizes of oil-return groove 3 reduces gradually from opening to bottom, the shape of cross section of oil-return groove 3 is isosceles trapezoid, oil return bend pipe 2 is arranged in the middle of the bottom of oil-return groove 3, oil return bend pipe 2 is integrated with oil-return groove 3, sideboard 7 is arranged on opening one edge of oil-return groove 3, sideboard 7 one end are closely connected on cover board body 1, the angle that the opening place plane of sideboard 7 the other ends and oil-return groove 3 forms is less than 30 degree.Oil return bend pipe 2 comprises semicircular pipe 21 and straight tube 22, and the length of straight tube 22 is greater than the length of semicircular pipe 21, and oil return bend pipe 2 is integrated, oil return bend pipe 2 be shaped as J-shaped shape.In addition, cover board body 1 is provided with groove 4 and the locating slot raising up 5 of two X word shapes, and the edge of cover board body 1 is provided with some fixed holes 6.
In the utility model, cover board body 1 is used in conjunction with oil return assembly, at the gas with organic oil, by the oil return bend pipe 2 of oil return assembly, enter into the process of Oil-gas Separation chamber, a part of machine oil is deposited in the oil return bend pipe 2 of oil return assembly, carry out primary Oil-gas Separation, make Oil-gas Separation chamber and cylinder head cover chamber separate simultaneously, avoided the indoor gas with machine oil of cylinder head cover directly to enter in Oil-gas Separation chamber; In addition, the gas of process oil return bend pipe 2 is when entering into Oil-gas Separation chamber, can first run into the sideboard 7 that is placed in oil-return groove 3 tops, after running into sideboard 7 with the gas of organic oil, can further the machine oil in gas be attached on sideboard 7, because sideboard 7 and the opening place plane shape of oil-return groove 3 form an angle, the machine oil on sideboard 7 be flow in oil-return groove 3 along sideboard 7, and then enter into oil return bend pipe 2, carry out secondary Oil-gas Separation; Finally enter into the gas with organic oil of Oil-gas Separation chamber, can further be deposited in the X word shape groove 4 of cover board body 1, effectively raise the efficiency of Oil-gas Separation.
Claims (6)
1. a cover plate assembly, it is characterized in that, comprise cover board body (1) and oil return assembly, described oil return assembly comprises oil return bend pipe (2) and sideboard (7), described cover board body (1) is provided with oil-return groove (3), described oil return bend pipe (2) is arranged on the bottom of oil-return groove (3), and described sideboard (7) is arranged on the edge of oil-return groove (3) and at a certain angle with the plane shape at oil-return groove (3) place.
2. a kind of cover plate assembly according to claim 1, it is characterized in that, described oil return bend pipe (2) comprises semicircular pipe (21) and straight tube (22), the length of described straight tube (22) is greater than the length of semicircular pipe (21), described oil return bend pipe (2) is integrated, described oil return bend pipe (2) be shaped as J-shaped shape.
3. a kind of cover plate assembly according to claim 1 and 2, it is characterized in that, being shaped as of described oil-return groove (3) is square, the openings of sizes of described oil-return groove (3) reduces gradually from opening to bottom, the shape of cross section of described oil-return groove (3) is isosceles trapezoid, described oil return bend pipe (2) is arranged in the middle of the bottom of oil-return groove (3), described oil return bend pipe (2) is integrated with oil-return groove (3), and described sideboard (7) is arranged on opening one edge of oil-return groove (3).
4. a kind of cover plate assembly according to claim 3, it is characterized in that, the distance of described oil-return groove (3) from opening to bottom is less than 0.5cm, it is upper that described sideboard (7) one end is closely connected to cover board body (1), and the angle that the opening place plane of described sideboard (7) the other end and oil-return groove (3) forms is less than 30 degree.
5. a kind of cover plate assembly according to claim 1 and 2, is characterized in that, described cover board body (1) is provided with the groove (4) of two X word shapes.
6. a kind of cover plate assembly according to claim 1 and 2, is characterized in that, described cover board body (1) is provided with the locating slot (5) raising up, and the edge of described cover board body (1) is provided with some fixed holes (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420123839.XU CN203769962U (en) | 2014-03-18 | 2014-03-18 | Cover plate assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420123839.XU CN203769962U (en) | 2014-03-18 | 2014-03-18 | Cover plate assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203769962U true CN203769962U (en) | 2014-08-13 |
Family
ID=51287160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420123839.XU Expired - Fee Related CN203769962U (en) | 2014-03-18 | 2014-03-18 | Cover plate assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203769962U (en) |
-
2014
- 2014-03-18 CN CN201420123839.XU patent/CN203769962U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20190318 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |