CN205578065U - Labyrinth oil -gas separation device among automobile engine - Google Patents
Labyrinth oil -gas separation device among automobile engine Download PDFInfo
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- CN205578065U CN205578065U CN201620241475.4U CN201620241475U CN205578065U CN 205578065 U CN205578065 U CN 205578065U CN 201620241475 U CN201620241475 U CN 201620241475U CN 205578065 U CN205578065 U CN 205578065U
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- oil
- labyrinth
- cylinder head
- cover plate
- head casing
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Abstract
The utility model provides a labyrinth oil -gas separation device among automobile engine belongs to automobile engine technical field. It has solved technical problem such as the oil -gas separation effect of prior art existence is poor, structure complicacy. This oil -gas separation device includes maze apron, and the maze apron is fixed at the lower part of cylinder head cover and uncovered sealed with this cylinder head cover lower part, and maze apron and cylinder head cover form the oil -gas separation chamber jointly, and the gas outlet that is linked together with the oil -gas separation chamber is seted up on the upper portion of cylinder head cover, and the air inlet has been seted up to the lower part of maze apron, and the upper portion of maze apron is fixed with the separation passageway in intercommunication air inlet and oil -gas separation chamber, separates the passageway and is long and narrow shape. Separation channel design in this oil -gas separation device becomes long and narrow shape, should separate passageway and oil -gas separation chamber and can constitute the orbit that makes the oil gas process and become the maze and appear to can improve oil -gas separation's effect.
Description
Technical field
This utility model belongs to technical field of automobile engine, relates to labyrinth oil gas separator in a kind of automobile engine.
Background technology
Along with development and the raising of people's living standard of science and technology, automobile has become as people and goes on a journey the topmost vehicles.Automobile engine operationally, owing to there is gap between cylinder wall and piston, piston ring, can cause a part of mixed gas, enters crankcase containing fuel oil, machine oil, steam and other steam, causes the waste of fuel oil and machine oil.Currently the majority electromotor uses positive crankcase ventilation system system, utilize the negative pressure of inlet manifold, in making a part of crankcase, oil gas returns in-cylinder combustion by inlet manifold, machine oil steam therein is the most inevitably consumed, cause engine oil consumption high, also result in valve simultaneously and the serious carbon deposit of combustor affects engine performance.It addition, some oil gas also can enter air filter causes dust accretions, even cause throttle body stuck.
Oozing out to be effectively prevented machine oil, the most a lot of electromotors all have employed labyrinth type oil-gas separation device for cylinder cover hood, and this gas and oil separating plant staggered several maze boards formation gas channel that arranges on cylinder head casing carries out Oil-gas Separation.As patent CN201120045632.1 discloses the double gas and oil separating plant of a kind of labyrinth type, this patent includes the gas and oil separating plant main body with gaseous mixture entrance and gas outlet that the some dividing plates being provided with by the sidewall enclosed being arranged on cylinder head casing and described inside sidewalls collectively form, it also includes the oil-gas separating plate matched with described gas and oil separating plant main body, and gas and oil separating plant main body is by contour with sidewall and to be fixed in the divides of its sidewall be the first oil-gas separation chamber and the second oil-gas separation chamber.
The labyrinth channel of the segregation apparatus of above-mentioned patent is not the longest, there is the shortcomings such as oil gas separation difference, generally for promoting oil gas separation, there is a need to be increased further by the quantity increasing maze board the path of gas channel.But, the increase of maze board quantity necessarily causes the increase of set-up time and installation cost, and ease and cost height that therefore maze board is installed seem particularly significant.
Summary of the invention
The problems referred to above that this utility model exists for existing technology, it is provided that labyrinth oil gas separator in a kind of automobile engine, technical problem to be solved in the utility model is: how to improve oil gas separation and simplifies structure.
The purpose of this utility model can be realized by following technical proposal:
Labyrinth oil gas separator in a kind of automobile engine, described electromotor includes cylinder head casing, the bottom of described cylinder head casing is uncovered, it is characterized in that, described gas and oil separating plant includes labyrinth cover plate, described labyrinth cover plate is fixed on the bottom of cylinder head casing and by the uncovered sealing of this cylinder head casing bottom, described labyrinth cover plate and cylinder head casing are collectively forming oil-gas separation chamber, the top of described cylinder head casing offers the gas outlet being connected with described oil-gas separation chamber, the bottom of described labyrinth cover plate offers air inlet, the top of described labyrinth cover plate is fixed with connection air inlet and the split tunnel of oil-gas separation chamber, described split tunnel is thin-and-long.
Its principle is as follows: oil gas enters from air inlet, oil gas enters Oil-gas Separation intracavity through the split tunnel of thin-and-long, oil gas separates at split tunnel and oil-gas separation chamber the two place, and go out from gas outlet, the major part little oil droplet coalescence of machine oil also drips, and is returned in crankcase by cover plate bottom, labyrinth.Split tunnel in this gas and oil separating plant is designed to thin-and-long, this split tunnel can make up with oil-gas separation chamber and makes the track of oil gas process become labyrinth shape, it is thus possible to improve the effect of Oil-gas Separation, additionally, due to split tunnel itself in thin-and-long, need not the length designing too much diaphragm structure in cylinder head casing to lengthen labyrinth track, therefore, it can simplify structure.
In above-mentioned a kind of automobile engine in labyrinth oil gas separator, described cylinder head casing include close roof and four sidewalls, the lower end of four sidewalls in the edge of described labyrinth cover plate and cylinder head casing is by welding or gluing realization sealing, described cylinder head casing and labyrinth cover plate are all in sleeve configuration, the length direction of described split tunnel is consistent with the length direction of cylinder head casing, and the inner surface of described cylinder head casing roof is fixed with the baffle plate along the distribution of cylinder head casing width.The length direction of split tunnel is arranged by can be easy to consistent with the length direction of cylinder head casing, also making oil-gas separation chamber is thin-and-long, thus lengthen the path length of Oil-gas Separation further, the speed of oil gas can be stopped after increasing baffle plate, oil gas is moved down along baffle plate thus lengthens motion track, improve the effect of Oil-gas Separation.
In above-mentioned a kind of automobile engine in labyrinth oil gas separator, the left part of described labyrinth cover plate has oil back chamber one, the right part of described labyrinth cover plate has oil back chamber two, described gas outlet is positioned at the right part of cylinder head casing and is positioned at the surface of oil back chamber two, and described air inlet is positioned at the left side of oil back chamber two and this oil back chamber two adjacent.Oil back chamber one and oil back chamber two are all connected with crankcase, both guide crankcase for the little oil droplet that will assemble, the efficiency of oil return can be improved in the two ends that both are separately positioned on labyrinth cover plate, air inlet adjoins oil back chamber two and gas outlet is positioned at the oil gas that the surface of oil back chamber two enables to into and has longer motion track, improves oil gas separation from the layout of position.
In above-mentioned a kind of automobile engine in labyrinth oil gas separator, described air inlet is positioned at the import department of split tunnel, the outlet of this split tunnel adjoins oil back chamber one, described baffle plate upper surface and cylinder head casing fix, leaving gap between described baffle plate lower surface and split tunnel, described baffle plate is positioned at the surface of air inlet.Leaving gap between baffle plate and split tunnel and can slow down the speed that oil gas entered, improve oil gas separation, the position distribution of the export and import of split tunnel can increase the length of the track of oil gas process, improves oil gas separation.
In above-mentioned a kind of automobile engine in labyrinth oil gas separator, described split tunnel is that a monoblock cover body sealing is fixed on the cover plate of labyrinth formation.One monoblock cover body is made so that structure more simplifies, and reduces cost.
In above-mentioned a kind of automobile engine in labyrinth oil gas separator, the end face of described cover body, leading flank, trailing flank and right flank are sealing surface, left surface and the bottom surface of this cover body are uncovered, the lower limb of this cover body has turned-out flange, and described flange is by welding or is stained with glue mode and the connection of described labyrinth cover plate for sealing.The upper surface of the leading flank of cover body, trailing flank, end face and labyrinth cover plate is collectively forming the passage current for oil gas, and cover body left surface is uncovered forms outlet, thus simplifies structure the function keeping oil gas to pass through.
In above-mentioned a kind of automobile engine in labyrinth oil gas separator, the upper surface of described cover body is provided with some reinforcements along the width of labyrinth cover plate, and this reinforcement is connected on the upper surface of cover body and both are integral type structure.Reinforcement can increase the intensity of cover body, and integral structure makes both can disposal molding.
In above-mentioned a kind of automobile engine in labyrinth oil gas separator, described oil back chamber one top has oil return cover plate one, and the top of described oil back chamber two has oil return cover plate two.Oil return cover plate one and oil return cover plate two can filter the little oil droplet in oil gas, improve the effect separated.
In above-mentioned a kind of automobile engine in labyrinth oil gas separator, described labyrinth cover plate and cylinder head casing are nylon part, and described cover body is nylon part.Nylon part intensity is high, corrosion-resistant, and easily disposal molding, it is possible to simplifies structure, simplifies manufacturing process.
Compared with prior art, advantage of the present utility model is as follows:
1, the split tunnel in this gas and oil separating plant is designed to thin-and-long, and this split tunnel can make up with oil-gas separation chamber and makes the track of oil gas process become labyrinth shape such that it is able to improve the effect of Oil-gas Separation.
2, owing to the split tunnel in this gas and oil separating plant itself is in thin-and-long, it is not necessary to designing too much diaphragm structure in cylinder head casing to lengthen the length of labyrinth track, therefore, it can simplify structure.
3, this gas and oil separating plant can stop the speed of oil gas after increasing baffle plate so that oil gas moves down along baffle plate thus lengthens motion track, improves the effect of Oil-gas Separation.
Accompanying drawing explanation
Fig. 1 is this gas and oil separating plant overall structure schematic diagram.
Fig. 2 is this gas and oil separating plant overall structure sectional view.
Fig. 3 is the schematic perspective view of cylinder head casing.
Fig. 4 is the cross-sectional schematic of cylinder head casing.
Fig. 5 is the perspective view of labyrinth cover plate and cover body.
Fig. 6 is the sectional structure schematic diagram of labyrinth cover plate and cover body.
In figure, 1 cylinder head casing；2 labyrinth cover plates；3 oil-gas separation chambers；4 gas outlets；5 air inlets；6 split tunnels；7 baffle plates；8 oil back chambers one；9 oil back chambers two；10 cover bodies；101 end faces；102 leading flanks；103 trailing flanks；104 right flanks；105 flange；106 reinforcements；11 oil return cover plates one；12 oil return cover plates two.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is further described, but this utility model is not limited to these embodiments.
As depicted in figs. 1 and 2, this gas and oil separating plant includes labyrinth cover plate 2, and electromotor includes cylinder head casing 1, and the bottom of cylinder head casing 1 is uncovered, labyrinth cover plate 2 and cylinder head casing 1 are nylon part, and nylon part intensity is high, corrosion-resistant, and easy disposal molding, it is possible to simplify structure, simplify manufacturing process.
As shown in Figures 2 and 3, labyrinth cover plate 2 is fixed on the bottom of cylinder head casing 1 and by the uncovered sealing of this cylinder head casing 1 bottom, labyrinth cover plate 2 and cylinder head casing 1 are collectively forming oil-gas separation chamber 3, cylinder head casing 1 include close roof and four sidewalls, the lower end of 1 four sidewalls in the edge of labyrinth cover plate 2 and cylinder head casing is by welding or gluing realization sealing, cylinder head casing 1 and labyrinth cover plate 2 are all in sleeve configuration, the length direction of split tunnel 6 is consistent with the length direction of cylinder head casing 1, and split tunnel 6 is that monoblock cover body 10 sealing is fixed on labyrinth cover plate 2 formation.One monoblock cover body 10 is made so that structure more simplifies, and reduces cost.
As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the inner surface of cylinder head casing 1 roof is fixed with the baffle plate 7 along the distribution of cylinder head casing 1 width.The length direction of split tunnel 6 is arranged by can be easy to consistent with the length direction of cylinder head casing 1, also make oil-gas separation chamber 3 in thin-and-long, thus lengthen the path length of Oil-gas Separation further, the speed of oil gas can be stopped after increasing baffle plate 7, oil gas is moved down along baffle plate 7 thus lengthens motion track, improve the effect of Oil-gas Separation.Air inlet 5 is positioned at the import department of split tunnel 6, and the outlet of this split tunnel 6 adjoins oil back chamber 1, baffle plate 7 upper surface and cylinder head casing 1 and fixes, and leaves gap between baffle plate 7 lower surface and split tunnel 6, and baffle plate 7 is positioned at the surface of air inlet 5.Leaving gap between baffle plate 7 and split tunnel 6 and can slow down the speed that oil gas entered, improve oil gas separation, the position distribution of the export and import of split tunnel 6 can increase the length of the track of oil gas process, improves oil gas separation.
As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the top of cylinder head casing 1 offers the gas outlet 4 being connected with oil-gas separation chamber 3, the bottom of labyrinth cover plate 2 offers air inlet 5, and the top of labyrinth cover plate 2 is fixed with connection air inlet 5 and the split tunnel 6 of oil-gas separation chamber 3, and split tunnel 6 is in thin-and-long.The left part of labyrinth cover plate 2 has oil back chamber 1, and the right part of labyrinth cover plate 2 has oil back chamber 29, and gas outlet 4 is positioned at the right part of cylinder head casing 1 and is positioned at the surface of oil back chamber 29, and air inlet 5 is positioned at the left side of oil back chamber 29 and this oil back chamber 29 adjacent.Oil back chamber 1 and oil back chamber 29 are all connected with crankcase, both guide crankcase for the little oil droplet that will assemble, the efficiency of oil return can be improved in the two ends that both are separately positioned on labyrinth cover plate 2, air inlet 5 adjoins oil back chamber 29 and gas outlet 4 is positioned at the oil gas that the surface of oil back chamber 29 enables to into and has longer motion track, improves oil gas separation from the layout of position.Cover body 10 is nylon part.The end face 101 of cover body 10, leading flank 102, trailing flank 103 and right flank 104 are sealing surface, left surface and the bottom surface of this cover body 10 are uncovered, the lower limb of this cover body 10 has turned-out flange 105, and flange 105 is by welding or is stained with glue mode and labyrinth cover plate 2 is tightly connected.The upper surface of the leading flank 102 of cover body 10, trailing flank 103, end face 101 and labyrinth cover plate 2 is collectively forming the passage current for oil gas, and cover body 10 left surface is uncovered forms outlet, thus simplifies structure the function keeping oil gas to pass through.The upper surface of cover body 10 is provided with some reinforcements 106 along the width of labyrinth cover plate 2, and this reinforcement 106 is connected on the upper surface of cover body 10 and both are integral type structure.Reinforcement 106 can increase the intensity of cover body 10, and integral structure makes both can disposal molding.
As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, oil back chamber 1 top has oil return cover plate 1, and the top of oil back chamber 29 has oil return cover plate 2 12.Oil return cover plate 1 and oil return cover plate 2 12 can filter the little oil droplet in oil gas, improve the effect separated.Oil gas enters from air inlet 5, oil gas enters in oil-gas separation chamber 3 through the split tunnel 6 of thin-and-long, oil gas separates at split tunnel 6 and oil-gas separation chamber 3 the two place, and go out from gas outlet 4, the major part little oil droplet coalescence of machine oil also drips, and is returned in crankcase by labyrinth cover plate 2 bottom.Split tunnel 6 in this gas and oil separating plant is designed to thin-and-long, this split tunnel 6 can make up with oil-gas separation chamber 3 and makes the track of oil gas process become labyrinth shape, it is thus possible to improve the effect of Oil-gas Separation, additionally, due to split tunnel 6 itself in thin-and-long, need not in cylinder head casing 1, design too much diaphragm structure to lengthen the length of labyrinth track, therefore, it can simplify structure.
Specific embodiment described herein is only to this utility model spirit explanation for example.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by this utility model person of ordinary skill in the field, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (9)
- null1. labyrinth oil gas separator in an automobile engine，Described electromotor includes cylinder head casing (1)，The bottom of described cylinder head casing (1) is uncovered，It is characterized in that，Described gas and oil separating plant includes labyrinth cover plate (2)，Described labyrinth cover plate (2) is fixed on the bottom of cylinder head casing (1) and by the uncovered sealing of this cylinder head casing (1) bottom，Described labyrinth cover plate (2) and cylinder head casing (1) are collectively forming oil-gas separation chamber (3)，The top of described cylinder head casing (1) offers the gas outlet (4) being connected with described oil-gas separation chamber (3)，The bottom in described labyrinth cover plate (2) offers air inlet (5)，The top in described labyrinth cover plate (2) is fixed with connection air inlet (5) and the split tunnel (6) of oil-gas separation chamber (3)，Described split tunnel (6) is in thin-and-long.
- Labyrinth oil gas separator in a kind of automobile engine the most according to claim 1, it is characterized in that, described cylinder head casing (1) include close roof and four sidewalls, the lower end of (1) four sidewall in the edge in described labyrinth cover plate (2) and cylinder head casing is by welding or gluing realization sealing, described cylinder head casing (1) and labyrinth cover plate (2) are all in sleeve configuration, the length direction of described split tunnel (6) is consistent with the length direction of cylinder head casing (1), the inner surface of described cylinder head casing (1) roof is fixed with the baffle plate (7) along the distribution of cylinder head casing (1) width.
- Labyrinth oil gas separator in a kind of automobile engine the most according to claim 2, it is characterized in that, the left part in described labyrinth cover plate (2) has oil back chamber one (8), the right part in described labyrinth cover plate (2) has oil back chamber two (9), described gas outlet (4) is positioned at the right part of cylinder head casing (1) and is positioned at the surface of oil back chamber two (9), and described air inlet (5) is positioned at the left side of oil back chamber two (9) and this oil back chamber two (9) adjacent.
- Labyrinth oil gas separator in a kind of automobile engine the most according to claim 3, it is characterized in that, described air inlet (5) is positioned at the import department of split tunnel (6), the outlet of this split tunnel (6) adjoins oil back chamber one (8), described baffle plate (7) upper surface and cylinder head casing (1) fix, leaving gap between described baffle plate (7) lower surface and split tunnel (6), described baffle plate (7) is positioned at the surface of air inlet (5).
- 5. according to labyrinth oil gas separator in a kind of automobile engine described in claim 1 or 2 or 3 or 4, it is characterized in that, described split tunnel (6) is that monoblock cover body (10) sealing is fixed on the upper formation of labyrinth cover plate (2).
- Labyrinth oil gas separator in a kind of automobile engine the most according to claim 5, it is characterized in that, the end face (101) of described cover body (10), leading flank (102), trailing flank (103) and right flank (104) are sealing surface, left surface and the bottom surface of this cover body (10) are uncovered, the lower limb of this cover body (10) has turned-out flange (105), and described flange (105) is by welding or is stained with glue mode and described labyrinth cover plate (2) is tightly connected.
- Labyrinth oil gas separator in a kind of automobile engine the most according to claim 6, it is characterized in that, the upper surface of described cover body (10) is provided with some reinforcements (106) along the width of labyrinth cover plate (2), and this reinforcement (106) is connected on the upper surface of cover body (10) and both are integral type structure.
- 8. according to labyrinth oil gas separator in a kind of automobile engine described in claim 3 or 4, it is characterized in that, described oil back chamber one (8) top has oil return cover plate one (11), and the top of described oil back chamber two (9) has oil return cover plate two (12).
- Labyrinth oil gas separator in a kind of automobile engine the most according to claim 5, it is characterised in that described labyrinth cover plate (2) and cylinder head casing (1) are nylon part, and described cover body (10) is nylon part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620241475.4U CN205578065U (en) | 2016-03-26 | 2016-03-26 | Labyrinth oil -gas separation device among automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620241475.4U CN205578065U (en) | 2016-03-26 | 2016-03-26 | Labyrinth oil -gas separation device among automobile engine |
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| Publication Number | Publication Date |
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| CN205578065U true CN205578065U (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620241475.4U Expired - Fee Related CN205578065U (en) | 2016-03-26 | 2016-03-26 | Labyrinth oil -gas separation device among automobile engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626194A (en) * | 2016-03-26 | 2016-06-01 | 浙江吉利罗佑发动机有限公司 | Labyrinth type oil-gas separation device in automobile engine |
-
2016
- 2016-03-26 CN CN201620241475.4U patent/CN205578065U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626194A (en) * | 2016-03-26 | 2016-06-01 | 浙江吉利罗佑发动机有限公司 | Labyrinth type oil-gas separation device in automobile engine |
| CN105626194B (en) * | 2016-03-26 | 2018-10-30 | 浙江吉利罗佑发动机有限公司 | Labyrinth oil gas separator in a kind of automobile engine |
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Legal Events
| Date | Code | Title | Description |
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| 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. |
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| 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: 20160914 |
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| CF01 | Termination of patent right due to non-payment of annual fee |