CN203962100U - A kind of gas-oil separation structure of engine - Google Patents
A kind of gas-oil separation structure of engine Download PDFInfo
- Publication number
- CN203962100U CN203962100U CN201420354162.0U CN201420354162U CN203962100U CN 203962100 U CN203962100 U CN 203962100U CN 201420354162 U CN201420354162 U CN 201420354162U CN 203962100 U CN203962100 U CN 203962100U
- Authority
- CN
- China
- Prior art keywords
- chamber
- gas
- oil
- separation structure
- dividing plate
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of gas-oil separation structure of engine, comprise the chamber that cylinder head cover outer cover and cylinder head cover inner cover form, described chamber is divided into the first chamber and the second chamber by dividing plate, the bottom of described dividing plate is provided with through hole, in described the first chamber, be provided with labyrinth baffle combination, in described the second chamber, be provided with oil suction felt.Two chambers of this structure are divided into two-stage the oil gas particle varying in size are tackled, filter and separated, gas mixture is separated more thorough, in the oil gas of discharging by flue gas leading, machine oil content declines to a great extent, thus effectively reduce lubricant oil consumption, reduced the burn soot in cylinder, reduced the pollution to environment.
Description
Technical field
the utility model relates to gas-oil separation structure of engine technical field, is specifically related to a kind of gas oil separation structure being arranged in rebreather of engine.
Background technique
when engine operation, always some inflammable mixture and waste gas, in piston ring channels to crankcase, channel to after gasoline vapour in crankcase condenses and will make machine oil thinning, performance depreciation.Waste gas contains water vapour and sulfur dioxide, and water vapour condenses in machine oil and forms foam, destroys engine oil supplying, and this phenomenon is particularly serious in the winter time; Sulfur dioxide is met water and is generated sulphurous acid, and sulphurous acid runs into airborne oxygen and generates sulfuric acid, and the appearance of these acidic materials not only makes machine oil rotten, and can make part be corroded.Because inflammable mixture and waste gas channel in crankcase, the pressure in crankcase will increase, and machine oil can ooze out and run off from crank shaft oil seal, crankcase liner etc., and the machine oil steam being lost in atmosphere can pollute atmosphere.For avoiding or alleviating the harm that above-mentioned phenomenon causes, crankcase bleeder is generally all housed on motor, but only plays draught effect, cannot fundamentally solve above-mentioned harm.
the motor also having normally adopts single breathing sheet or reed valve type cyclone separator arrangement, and from crankcase, gas mixture out only passes through first separation, although or through secondary separation, the separating effect of oil gas is bad, and oil consumption is bigger than normal.
Summary of the invention
the purpose of this utility model is, proposes a kind of rebreather of engine gas oil separation structure, enough produce during by engine operation lubricant oil in gas mixture from gas mixture fully, separate efficiently.
the technical solution of the utility model is: a kind of gas-oil separation structure of engine, comprise the chamber that cylinder head cover outer cover and cylinder head cover inner cover form, described chamber is divided into the first chamber and the second chamber by dividing plate, the bottom of described dividing plate is provided with through hole, in described the first chamber, be provided with labyrinth baffle combination, in described the second chamber, be provided with oil suction felt.
further, described dividing plate is L-type, and the bottom of described dividing plate is to the second chamber bending.
further, the bending part of described dividing plate is provided with through hole, and the diameter of described through hole is 2 ~ 3mm.
further, described labyrinth baffle combination is fastened and forms mutually by the first U-shaped baffle plate that is welded on cylinder-head cover inner cover and the second U-shaped baffle plate that is welded on cylinder-head cover outer cover, and described the second U-shaped baffle plate side is provided with at least one through hole.
further, the diameter of described through hole is 1 ~ 3mm.
further, described labyrinth baffle combination is at least one.
the utility model has the advantages that:
this gas oil separation structure is provided with one group or organize labyrinth baffle combination more, can carry out primary separation to gas mixture, owing to being provided with many groups labyrinth baffle combination, the successful separating is improved, gas mixture after primary separation is by the oil suction felt of the second chamber, gas mixture is tackled by felt, condensation, be secondary segmentation from, two chambers of this structure are divided into two-stage the oil gas particle varying in size are tackled, filter and separate, gas mixture is separated more thorough, in the oil gas of discharging by flue gas leading, machine oil content declines to a great extent, thereby effectively reduce the consumption of lubricant oil, reduce the burn soot in cylinder, reduce the pollution to environment.
Brief description of the drawings
below in conjunction with drawings and Examples, the utility model is further described:
fig. 1 is mounting point and the internal structure schematic diagram of a kind of gas-oil separation structure of engine of the utility model;
fig. 2 is that the A-A sectional view of Fig. 1 and gas stream are to schematic diagram.
Embodiment
for making the purpose of this utility model, technological scheme and advantage more cheer and bright, below in conjunction with embodiment and with reference to accompanying drawing, the utility model is further described.Should be appreciated that, these descriptions are exemplary, and do not really want to limit scope of the present utility model.In addition, in the following description, omitted the description to known features and technology, to avoid unnecessarily obscuring concept of the present utility model.
embodiment:
as illustrated in fig. 1 and 2, structure of the present utility model is positioned at engine cylinder head (resuscitation apparatus) inner cavity chamber, it is that cylinder centerline and horizontal plane angle are the inclined engine of 10 ° ~ 45 ° that this cylinder-head cover is applied to oblique installing type cylinder, and cylinder head cover (resuscitation apparatus) is arranged on the valve cage top of cylinder head for heeling condition.
the inner cover 4 of this cylinder-head cover embeds in cylinder-head cover outer cover 1 and forms cylinder-head cover inner chamber, and this inner-cavity structure is divided into the first chamber 11 and the second chamber 12 by L-type dividing plate 6 by cylinder-head cover inner cavity chamber.
type dividing plate 6 bottoms are a supporting surface to the second chamber 12 bendings, and for supporting felt 8, this folding surface upper punch has vent 9, and oil gas enters the second chamber 12 from this through hole 9.
the top of this oil and gas separating system the first chamber 11 is check valve sheet, the mixed gas of oil gas in crankcase enters the first chamber by one-way valve, the first U-shaped baffle plate and the second U-shaped baffle plate have been designed in the first chamber bottom, two U-shaped baffle plates certain distance that mutually staggers is detained mutually, the first U-shaped baffle plate is welded on cylinder-head cover inner cover, on the second U-shaped baffle plate cylinder-head cover outer cover, form labyrinth baffle combination, wherein the first U-shaped baffle plate upper side has designed the through hole that multiple diameters are 1 ~ 3mm, fuel-air mixture is isolated thicker oil particles after U-shaped baffle plate shock repeatedly when by labyrinth baffle combination, these oil particles adsorb the oil droplet converging as larger mutually, the dividing plate slope current of postponing under gravity amasss to inner cavity chamber bottom, by flowing back to crankcase body in spill port, oil gas completed one-level separation after separating by this chamber.
in the second chamber, fill oil suction felt 8, gas mixture after separating by one-level enters the oil suction felt 8 of the second chamber from the through hole 9 of L-type dividing plate 6 bottoms, fiber in oil suction felt 8 is again to tackling through more tiny oil particles in oil gas, after the oil particles condensation being blocked collects, prolong cylinder-head cover inner cover surface and be guided to spill port, flow back to crankcase body, completed the second-order separation, in oil gas after separating by felt, oil content is significantly reduced, and burns by the oil gas after separating in flue gas leading 7 enters intake manifold, cylinder again.
should be understood that, above-mentioned embodiment of the present utility model is only for exemplary illustration or explain principle of the present utility model, and do not form restriction of the present utility model.Therefore any amendment of, making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model in the situation that not departing from spirit and scope of the present utility model.In addition, the utility model claims are intended to contain whole variations and the modification in the equivalents that falls into claims scope and border or this scope and border.
Claims (6)
1. a gas-oil separation structure of engine, it is characterized in that, comprise the chamber that cylinder head cover outer cover and cylinder head cover inner cover form, described chamber is divided into the first chamber and the second chamber by dividing plate, the bottom of described dividing plate is provided with through hole, in described the first chamber, be provided with labyrinth baffle combination, in described the second chamber, be provided with oil suction felt.
2. gas-oil separation structure of engine according to claim 1, is characterized in that, described dividing plate is L-type, and the bottom of described dividing plate is to the second chamber bending.
3. gas-oil separation structure of engine according to claim 2, is characterized in that, the bending part of described dividing plate is provided with through hole, and the diameter of described through hole is 2 ~ 3mm.
4. gas-oil separation structure of engine according to claim 1, it is characterized in that, described labyrinth baffle combination is fastened and forms mutually by the first U-shaped baffle plate that is welded on cylinder-head cover inner cover and the second U-shaped baffle plate that is welded on cylinder-head cover outer cover, and described the second U-shaped baffle plate side is provided with at least one through hole.
5. gas-oil separation structure of engine according to claim 4, is characterized in that, the diameter of described through hole is 1 ~ 3mm.
6. according to the gas-oil separation structure of engine described in claim 1 or 4, it is characterized in that, described labyrinth baffle combination is at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354162.0U CN203962100U (en) | 2014-06-30 | 2014-06-30 | A kind of gas-oil separation structure of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354162.0U CN203962100U (en) | 2014-06-30 | 2014-06-30 | A kind of gas-oil separation structure of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203962100U true CN203962100U (en) | 2014-11-26 |
Family
ID=51922698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420354162.0U Active CN203962100U (en) | 2014-06-30 | 2014-06-30 | A kind of gas-oil separation structure of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203962100U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870066A (en) * | 2017-03-15 | 2017-06-20 | 江苏大学 | A kind of single-cylinder vertical-type diesel engine valve casing component with multistage Oil-gas Separation respirator |
| CN107687355A (en) * | 2017-09-25 | 2018-02-13 | 重庆宗申通用动力机械有限公司 | A kind of oil-gas separating device of internal combustion engine |
-
2014
- 2014-06-30 CN CN201420354162.0U patent/CN203962100U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870066A (en) * | 2017-03-15 | 2017-06-20 | 江苏大学 | A kind of single-cylinder vertical-type diesel engine valve casing component with multistage Oil-gas Separation respirator |
| CN107687355A (en) * | 2017-09-25 | 2018-02-13 | 重庆宗申通用动力机械有限公司 | A kind of oil-gas separating device of internal combustion engine |
| WO2019056945A1 (en) * | 2017-09-25 | 2019-03-28 | 重庆宗申通用动力机械有限公司 | Internal combustion engine oil and gas separation device |
| US11143068B2 (en) | 2017-09-25 | 2021-10-12 | Chongqing Zongshen General Power Machine Co., Ltd. | Oil and gas separation device for internal combustion engine |
| CN107687355B (en) * | 2017-09-25 | 2023-11-28 | 重庆宗申通用动力机械有限公司 | Engine oil-gas separation device of internal combustion engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203296864U (en) | Cylinder cover assembly with oil-gas separation device integrated | |
| MX2014014100A (en) | Head cover baffle system for improving oil mist separation. | |
| CN102536385A (en) | Oil-gas separating device and air cylinder cover assembly | |
| CN203962100U (en) | A kind of gas-oil separation structure of engine | |
| CN101131133A (en) | Sprocket wheel shroud with crankcase ventilation labyrinth | |
| CN107035461B (en) | A kind of cylinder head cover integrates gs-oil separator | |
| CN202073621U (en) | Ventilation system of crankcase | |
| CN206290308U (en) | Composite oil-gas separator | |
| CN201603627U (en) | Cyclone oil-gas separator with spiral labyrinth structure | |
| CN207064037U (en) | Gs-oil separator | |
| CN202520397U (en) | Oil and fog separating device of waste gas of engine | |
| CN205117449U (en) | Oil -gas separator | |
| CN201110209Y (en) | Enclosed respiratory system of 2.8L diesel engine | |
| CN209875255U (en) | Oil-gas separation structure for engine | |
| CN203783686U (en) | Engine cylinder cover shield | |
| CN202756056U (en) | Labyrinth type oil-gas pre-separating device | |
| CN106089485A (en) | Engine air cylinder cap assembly | |
| CN202756114U (en) | Engine rocker arm chamber cover with oil-gas pre-separation chamber | |
| CN206917696U (en) | A kind of cellular oil-gas separation mechanism | |
| CN101985891B (en) | Oil-gas separation structure for gasoline engine | |
| CN201756991U (en) | Built-in oil and gas separating device of engine cylinder cap | |
| CN202001080U (en) | Gas-oil separation structure of general gasoline engine | |
| CN202645674U (en) | Ventilating device of diesel engine crank case | |
| CN103321713A (en) | Check valve for oil-gas separation | |
| CN102635423A (en) | Respirator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |