CN205477828U - Novel oil and gas separator oil return structure - Google Patents
Novel oil and gas separator oil return structure Download PDFInfo
- Publication number
- CN205477828U CN205477828U CN201620040276.7U CN201620040276U CN205477828U CN 205477828 U CN205477828 U CN 205477828U CN 201620040276 U CN201620040276 U CN 201620040276U CN 205477828 U CN205477828 U CN 205477828U
- Authority
- CN
- China
- Prior art keywords
- oil
- oil return
- shaped
- type
- gas
- 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
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to a novel oil and gas separator oil return structure belongs to and has the air and leave before the crankcase technical field to air purification. Drawbacks such as its oil return structure of having solved the existence of current check valve is complicated, with high costs and easily freeze. The utility model discloses an oil return straight tube, sleeve pipe, U type oil return are taken over and fixed cover, and U type oil return is taken over and is installed inside the organism, and U type oil return is taken over including long limit of U type and U type minor face, and the long limit of U type links to each other with oil return straight tube lower extreme, and it is fixed with the mounting hole interference fit of organism that the sleeve pipe is passed through on the long limit of U type, and the long limit of U type is through fixed cover in organism erection bracing, U type minor face is to the internal contraction and the mouth of pipe of U type minor face is the flaring structure. The utility model discloses a built -in U type returns the oil pipe structure and guarantees to return the machine oil of after -separating to the oil pan unobstructedly, can prevent the backward flow of crankcase gas blowby simultaneously, and simple structure, and is with low costs, can extensively apply to oil and gas separator oil return occasion.
Description
Technical field
This utility model relates to gas-oil separator oil-returning structure, belongs to and has air and leave before crankcase air cleaning
Device technique field.
Background technology
Along with the upgrading of modern diesel engine Abgasgesetz, the requirement for engine exhaust is more and more higher, in order to ensure that internal combustion engine exists
Meet emission regulation demands under duty, need the aerofluxus to internal combustion engine to carry out respective handling.Crankcase gas blowby falls within internal combustion
Machine aerofluxus category, European Emission regulation has been regarded as the emission of internal combustion engine, and the impurity that it is contained has been counted emission limit,
It is not allowed to be directly discharged in the middle of air without process.
Containing part machine oil and a small amount of water vapour in crankcase gas blowby, Oil-gas Separation technology is used to separate gentle for oil, simultaneously
The machine oil separated is back to oil sump, because oil sump communicates with crankcase, needs to use corresponding construction to ensure crankcase
Gas blowby can not be emitted into air via oil return pipe.
The gs-oil separator return line structure of existing maturation, a kind of is that vertical steel pipe directly directly takes back oil sump machine oil liquid level
Hereinafter, one is one one-way valve structures of adjunction before accessing vertical steel pipe, and such oil return pipe can not directly take back machine oil liquid level
Below.The oil return apparatus of another gs-oil separator have employed U-tube principle, but its installation site is at engine body exterior,
Mounting means is the most different, and its starting point is different from this utility model, there is bigger drawback, is unfavorable for actual application.Prior art
The shortcoming existed is as follows: oil return pipe is taken back below oil sump machine oil liquid level and prevents gas blowby from refluxing by (1), simple in construction, application
Preferably, but part oil pan structure cannot make oil return pipe take back below the machine oil liquid level mounting structure of oil sump shallow end (insert)；(2)
One-way valve structures is complicated, it is difficult, relatively costly to manufacture, and can contain a small amount of water in the machine oil concurrently separated, and this part water is due to weight
Power effect can be deposited at one-way valve inlet, during low temperature, can freeze check valve so that it is cannot normally work, cause Oil-gas Separation
Device can not normally oil return；(3) outside U-tube structure cannot overcome the problem of sharp freezing equally, cannot realize fast run-up simultaneously
The vertical oil pressure that seals, and arrange unsightly.
Utility model content
The purpose of this utility model is to overcome the drawbacks such as similar check valve oil-returning structure complexity, cost height and easy freezing, in using
Put U-shaped return line structure and ensure that the machine oil after separating is back to oil sump unobstructedly, can prevent crankcase gas blowby from refluxing simultaneously,
And simple in construction, low cost.
This utility model is to use following technical scheme to realize: a kind of gas-oil separator oil-returning structure, straight including oil return
Pipe, oil return straight tube upper end is connected with gs-oil separator by connection rubber tube, and crankcase is stretched into by connection rubber tube in oil return straight tube lower end
Internal body, also include sleeve pipe, U-shaped oil return adapter and fixed cover, U-shaped oil return adapter is installed on internal body, U-shaped oil return
Adapter includes that U-shaped long limit and U-shaped minor face, U-shaped long limit are connected with oil return straight tube lower end, and U-shaped long limit is by the peace of sleeve pipe with body
Dress hole interference fit is fixed, and support is installed by the fixing body that is placed in U-shaped long limit；U-shaped minor face is to contract and U-shaped minor face
The mouth of pipe is flaring structure.
Further, there are the machine oil that gs-oil separator is separated and the fluid column that moisture backflow is formed on a small quantity in U-shaped oil return adapter.
Fluid column is avoided that crank case gases communicates with gs-oil separator, prevents oil return pipe gas blowby.
Further, sleeve pipe is provided with and prevents it from embedding the long shaft shoulder.U-shaped oil return is taken over by the sleeve pipe being welded thereon,
It is combined together with interference with the installing hole of body, uses the shaft shoulder on sleeve pipe to position simultaneously, prevent sleeve pipe from embedding long.
Further, Socket welding is connected in U-shaped oil return adapter.
Further, fixed cover is welded in U-shaped oil return adapter.Install for convenience, U-shaped oil return adapter welds one solid
Fixed set, is conducive to using special tooling that it is carried out location and installation.
Further, the temperature of internal body is more than the temperature of U-shaped oil return adapter.Use engine interior high temperature to U-shaped oil return
Adapter carries out heating and thermal insulation, prevents it from freezing blocking because of hydrops, it is ensured that oil return is smooth and easy.
Further, the machine oil that body splashing is fallen is received and is collected by the mouth of pipe of U-shaped minor face.The mouth of pipe of U-shaped minor face uses enlarging
Structure can be used for collecting the machine oil of whereabouts that splashes more, to guarantee to set up fluid column quickly in U-shaped oil return is taken over.
The beneficial effects of the utility model are:
(1) gas-oil separator oil-returning structure described in the utility model, U-shaped oil return adapter cost is extremely low, relatively utilizes unidirectional
The oil return pipe of valve arrangement, can save higher cost, and economic benefit is considerable；
(2) gas-oil separator oil-returning structure described in the utility model, is arranged on engine interior, uses engine interior
High temperature carries out heating and thermal insulation to U-shaped oil return adapter, prevents it from freezing blocking because of hydrops, it is ensured that oil return is smooth and easy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is left view of the present utility model.
Fluid column state diagram when Fig. 3 is P1=P2.
Fig. 4 is fluid column state during P1 ＞ P2.
In figure: 1-gs-oil separator；2-connection rubber tube；3-oil return straight tube；4-sleeve pipe；The long limit of 5-U type；6-U type minor face；7-
Fixed cover；8-body；9-oil sump.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, this utility model devises a kind of novel gs-oil separator oil-returning structure, this oil-returning structure includes oil return
Straight tube 3, connection rubber tube 2, sleeve pipe 4, U-shaped oil return adapter, fixed cover 7.This utility model includes oil return straight tube 3, and oil return is straight
Pipe 3 upper end is connected with gs-oil separator 1 by connection rubber tube 2, and crankcase is stretched into by connection rubber tube 2 in oil return straight tube 3 lower end
Body 8 internal, also include sleeve pipe 4, U-shaped oil return adapter and fixed cover 7, it is internal that U-shaped oil return adapter is installed on body 8, U
Type oil return adapter includes that U-shaped long limit 5 and U-shaped minor face 6, U-shaped long limit 5 are connected with oil return straight tube 3 lower end, and U-shaped long limit 5 leads to
The installing hole interference fit crossing sleeve pipe 4 and body 8 is fixed, and U-shaped long limit 5 is installed in body 8 by fixed cover 7 and supported；U-shaped
Minor face 6 is flaring structure to the mouth of pipe of contract and U-shaped minor face 6.U-shaped oil return pipe is used to realize one-way valve structures effect,
And use mouth of pipe flaring structure to collect machine oil, make U-shaped oil return pipe can set up rapidly difference in height to offset crank case gas pressure,
Prevent crank case gases by oil return pipe gas blowby.Meanwhile, it is arranged on diesel engines, available diesel engines high-temperature heating oil return
Pipe, it is ensured that oil return is unimpeded.
This oil-returning structure is connected with gs-oil separator 1 by connection rubber tube 2, the machine oil separated by gs-oil separator 1 and lacking
Amount moisture is back to U-shaped oil return adapter, uses U-tube principle simultaneously, and the fluid column in U-shaped oil return is taken over meets certain requirements
Time, machine oil flows back into oil sump 9 via U-shaped oil return adapter.
U-shaped oil return adapter is based on hydrostatics principle, uses its interior liquid-column height difference H to realize in gs-oil separator 1
The balance of pressure P2 and crankcase pressure P1: P1=P2+ ρ gH.
1) when engine is shut down, P1=P2, therefore H=0, fluid column state such as Fig. 2；
2) when electromotor is properly functioning, P1 ＞ P2, therefore H=(P1-P2)/ρ g, fluid column state such as Fig. 3；
When electromotor is properly functioning, the pressure P1 within crankcase is greater than the pressure P2 in gs-oil separator 1 all the time, high
Degree difference H is to be determined by the pressure at U-shaped oil return adapter two ends, and pressure at two ends is constant, and H is constant, the separation of gs-oil separator 1
The machine oil gone out makes fluid column constantly raise, and when the fluid column difference at U-shaped oil return adapter two ends is more than H, machine oil can be taken over from U-shaped oil return
Short end flow to oil sump 9.Meanwhile, fluid column exists always, is just avoided that crank case gases communicates with gs-oil separator 1, prevents
Oil return pipe gas blowby.
Containing a small amount of moisture in the middle of the machine oil that gs-oil separator 1 separates, the density of water is more than machine oil density, this part water meeting simultaneously
It is deposited on bottom U-tube, when cold weather, hydrops easy freezing herein, thus block U-shaped oil return adapter.For avoiding blocking up
The situation of plug occurs, and the U-shaped oil return adapter in this structure is arranged on engine interior, and the heat of available engine interior is to returning
Oil pipe carries out heating and thermal insulation, prevents oil return adapter from causing gs-oil separator 1 oil return the most smooth because of sharp freezing.
U-shaped oil return is taken over by the sleeve pipe 4 being welded thereon, and is combined together with interference with the installing hole of body 8, uses simultaneously
The shaft shoulder on sleeve pipe 4 positions, and prevents sleeve pipe 4 from embedding long., install for convenience, on U-shaped oil return is taken over meanwhile
Weld a fixed cover 7, be conducive to using special tooling that it is carried out location and installation.
U-shaped minor face 6 inwardly shrinks, and this structure is possible to prevent diesel engine U-shaped oil return adapter when using in certain slope
In machine oil overflow, make U-shaped fluid column to set up, cause the gas in crankcase to be altered to gs-oil separator 1 via oil return pipe.
U-shaped minor face 6 mouth of pipe carries out enlarging, can be used for collecting the machine oil of whereabouts that splashes more, to guarantee to connect in U-shaped oil return
Pipe is set up fluid column quickly.
Certainly, foregoing is only preferred embodiment of the present utility model, it is impossible to be considered for limiting reality of the present utility model
Execute example scope.This utility model is also not limited to the example above, and those skilled in the art are of the present utility model
Impartial change and the improvement etc. made in essential scope, all should belong in patent covering scope of the present utility model.
Claims (7)
1. a gas-oil separator oil-returning structure, including oil return straight tube (3), oil return straight tube (3) upper end is by connecting glue
Pipe (2) is connected with gs-oil separator (1), and the body of crankcase is stretched into by connection rubber tube (2) in oil return straight tube (3) lower end
It is (8) internal, it is characterised in that: also include that sleeve pipe (4), U-shaped oil return adapter and fixed cover (7), U-shaped oil return adapter are installed
Internal in body (8), U-shaped oil return adapter includes U-shaped long limit (5) and U-shaped minor face (6), U-shaped long limit (5) and oil return
Straight tube (3) lower end is connected, and U-shaped long limit (5) is fixed by the installing hole interference fit of sleeve pipe (4) with body (8), U-shaped
Long limit (5) installs support by fixed cover (7) in body (8)；U-shaped minor face (6) is to contract and U-shaped minor face (6)
The mouth of pipe be flaring structure.
Gas-oil separator oil-returning structure the most according to claim 1, it is characterised in that: there is oil in U-shaped oil return adapter
Machine oil that gas separating device (1) is separated and a small amount of moisture reflux the fluid column formed.
Gas-oil separator oil-returning structure the most according to claim 1, it is characterised in that: sleeve pipe (4) is provided with anti-
Only it embeds the long shaft shoulder.
4. according to the gas-oil separator oil-returning structure described in claim 1 or 3, it is characterised in that: sleeve pipe (4) welds
On U-shaped oil return is taken over.
Gas-oil separator oil-returning structure the most according to claim 1, it is characterised in that: fixed cover (7) is welded in
In U-shaped oil return adapter.
Gas-oil separator oil-returning structure the most according to claim 1 and 2, it is characterised in that: body (8) is internal
Temperature more than U-shaped oil return adapter temperature.
Gas-oil separator oil-returning structure the most according to claim 1 and 2, it is characterised in that: body (8) splashes
The machine oil fallen is received and is collected by the mouth of pipe of U-shaped minor face (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620040276.7U CN205477828U (en) | 2016-01-15 | 2016-01-15 | Novel oil and gas separator oil return structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620040276.7U CN205477828U (en) | 2016-01-15 | 2016-01-15 | Novel oil and gas separator oil return structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205477828U true CN205477828U (en) | 2016-08-17 |
Family
ID=56669426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620040276.7U Active CN205477828U (en) | 2016-01-15 | 2016-01-15 | Novel oil and gas separator oil return structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205477828U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107638A (en) * | 2021-04-13 | 2021-07-13 | 中国重汽集团济南动力有限公司 | Anti-icing method and device for oil-gas separation system of engine |
-
2016
- 2016-01-15 CN CN201620040276.7U patent/CN205477828U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113107638A (en) * | 2021-04-13 | 2021-07-13 | 中国重汽集团济南动力有限公司 | Anti-icing method and device for oil-gas separation system of engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4481935A (en) | Flue pipe connection | |
| CN201078725Y (en) | Forward direction combustion condensing type gas water heater | |
| CN205477828U (en) | Novel oil and gas separator oil return structure | |
| CN208269449U (en) | Straight-expanded geo-source hot-pump system oil return device with dual jet | |
| CN107939480A (en) | Diesel engine twin-stage oil and gas separating system | |
| CN206753717U (en) | For wind, the cooling system of water cooling internal combustion engine and wind, water cooling internal combustion engine | |
| CN205079946U (en) | Frock is collected to oil return volume during oil -gas separation is experimental | |
| CN215369984U (en) | Oil-gas separation system of engine | |
| CN204254888U (en) | A kind of condensed water seal apparatus of condensing gas wall hanging stove | |
| CN113638788B (en) | Anti-blocking air filtering pipeline | |
| CN2306459Y (en) | Natural circulation split heat pipe-vacuum pipe solar water heater | |
| CN103670598B (en) | The engine crankshaft ventilation system of a kind of bypass valve and band bypass protection structure | |
| CN207646152U (en) | A kind of dehydration device of methane | |
| CN205605267U (en) | Piston type internal combustion engine oil-gas separator | |
| CN209084856U (en) | A kind of smoke exhaust ventilator flue gas heating combined equipment | |
| CN203162914U (en) | Exhaust device for non-condensable gases | |
| CN208651012U (en) | Diesel engine low-voltage fuel pipeline | |
| CN207999973U (en) | A kind of ammonia refrigeration system gas-liquid separation oil return equipment | |
| CN2895750Y (en) | Motorcycle crank-box exhuast-gas recirculation condensed-water collector | |
| CN202547217U (en) | Functional module device for recovering and purifying refrigerant and cleaning refrigeration system | |
| CN207674775U (en) | Conducive to the liquid storage tank structure of oil return | |
| CN207081025U (en) | A kind of system for recycling gas fired-boiler condensation water residual heat | |
| CN209371530U (en) | Water receiving device of wall-mounted boiler and wall-mounted boiler | |
| CN205919519U (en) | Energy -saving heat conduction oil furnace | |
| CN105298628B (en) | The self-draining arrangement of engine intercooler condensed water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |