CN206681815U - A kind of gas and oil separating plant for engine PCV system - Google Patents

A kind of gas and oil separating plant for engine PCV system Download PDF

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Publication number
CN206681815U
CN206681815U CN201720498256.9U CN201720498256U CN206681815U CN 206681815 U CN206681815 U CN 206681815U CN 201720498256 U CN201720498256 U CN 201720498256U CN 206681815 U CN206681815 U CN 206681815U
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CN
China
Prior art keywords
gas
oil
separating plant
oil separating
arc
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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
Application number
CN201720498256.9U
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Chinese (zh)
Inventor
蒋南希
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Hunan Communication Polytechnic
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Hunan Communication Polytechnic
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Priority to CN201720498256.9U priority Critical patent/CN206681815U/en
Application granted granted Critical
Publication of CN206681815U publication Critical patent/CN206681815U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of gas and oil separating plant for engine PCV system, for connecting crankcase, inlet manifold and gas and oil separating plant, the ventilating opening and oil sump of crankcase are connected with the air inlet and oil return opening of gas and oil separating plant respectively, and inlet manifold is connected with the gas outlet of gas and oil separating plant;Gas and oil separating plant includes housing, enclosure interior is provided centrally with vertical clapboard, enclosure interior is divided into exocoel and inner chamber by vertical clapboard, and vertical clapboard top is provided with the stomata of several through-lumens and exocoel, air inlet and oil return opening are separately positioned on the downside and bottom of exocoel, gas outlet is arranged on the top of inner chamber, and inner cavity is provided with filter core;Outer chamber is provided with diaphragm plate and lower diaphragm plate, and upper tabula front edge of board is provided with reclinate upper arc-shaped guide plate.Oil gas can be thoroughly separated by filtration by the device, and can quickly change filter core.

Description

A kind of gas and oil separating plant for engine PCV system
Technical field
Engine PCV system is the utility model is related to, especially a kind of engine crankcase that is used for is forced The gas and oil separating plant of ventilating system.
Background technology
When engine works, the high pressure combustion mixture and burnt gas of combustion chamber, it can more or less pass through piston group Gap between cylinder is leak into crankcase, causes gas blowby.The composition of gas blowby is unburned fuel vapor, vapor and waste gas Deng this can dilute machine oil, reduce the performance of machine oil, accelerate aoxidizing, going bad for machine oil.Condensation of moisture, can shape in machine oil Into greasy filth, clogged oil line;Sour gas in waste gas is mixed into lubricating system, can cause the corrosion of engine part and accelerate mill Damage;Gas blowby can also make the hypertonia of crankcase and destroy the sealing of crankcase, engine oil leakage is lost in search.To prevent bent axle Case hypertonia, extend machine oil useful life, reduce parts depreciation and corrosion, prevent engine oil leakage, it is necessary to carry out crankcase Ventilation.
CN201738984U discloses a kind of gas and oil separating plant of engine, and the gas and oil separating plant includes housing, entered Gas port, gas outlet, oil return opening, the wherein gas and oil separating plant also include dividing plate, and the inside of the housing is separated into by the dividing plate Epicoele and cavity of resorption, the air inlet connect with the top of the cavity of resorption, and the gas outlet connects with the top of the epicoele, described Oil return opening is located at the bottom of the cavity of resorption, and the downside of the housing has the first pipe, and the epicoele and cavity of resorption first are managed by this Connection, the upper intracavitary have filter core.The separator mainly carries out separating and filtering to oil gas by filter core, and the device can incite somebody to action Oil gas is thoroughly separated by filtration, and can quickly change filter core.
The content of the invention
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art and provide a kind of strong for engine crankcase The oil gas for entering inlet manifold can be thoroughly separated by filtration by the gas and oil separating plant of ventilating system processed, the device, and And it is relatively low to the filter element filtering Capability Requirement in gas and oil separating plant, and can quickly change filter core.
To achieve these goals, technical solution of the invention is:One kind is used for engine PCV The gas and oil separating plant of system, including:Crankcase, inlet manifold and gas and oil separating plant, the ventilating opening and oil of the crankcase Drain pan is connected with the air inlet and oil return opening of gas and oil separating plant respectively, the gas outlet of the inlet manifold and gas and oil separating plant It is connected;It is characterized in that:The gas and oil separating plant includes housing, the enclosure interior be provided centrally with cylinder it is perpendicular every Enclosure interior is divided into exocoel and inner chamber by plate, the vertical clapboard, and the vertical clapboard top be provided with several through-lumens and The stomata of exocoel, the air inlet and oil return opening are separately positioned on the downside and bottom of exocoel, and the gas outlet is arranged on inner chamber Top, the inner cavity is provided with filter core;The outer chamber is provided with the upper horizontal stroke being connected respectively with housing and vertical clapboard Dividing plate and lower diaphragm plate, the upper tabula front edge of board are provided with reclinate upper arc-shaped guide plate, and the lower tabula front edge of board is set The arc lower guide plate being bent upwards is equipped with, the upper arc-shaped guide plate is located at the inner side of arc lower guide plate.
Further, air inlet pipe is provided with an inclined manner on the gas and oil separating plant air inlet,
Specifically, oil gas can rise after air inlet enters exocoel along the wall of exocoel, and oil droplet can encounter arc Rebounded downwards after guide plate and flow into oil return opening.
Further, several spill ports are further opened with the vertical clapboard, the spill port is located at vertical clapboard and lower diaphragm plate The top of junction.
Further, the bottom of the upper arc-shaped guide plate is less than the top of arc lower guide plate.
Further, the upper diaphragm plate both sides and the junction of inner walls are the arcuate structure to concave.
Further, transition joint is connected with the oil return opening, annular boss is provided with the downside of the transition joint, it is described Transition joint is internally provided with permanent-magneto filter screen.
Further, it is provided with above the inner chamber and removably goes out gas cap, the gas outlet is arranged on out on gas cap, described The bottom for going out gas cap is in contact with filter core.
The beneficial effects of the utility model:
1st, in the utility model, gas and oil separating plant is set between crankcase and inlet manifold, can be made, is inhaled toward air inlet The waste gas of manifold will become clean, greatly reduce the generation of engine motor oil greasy filth and carbon distribution;
2nd, in the utility model, by setting the labyrinth shape air flue of bending in gas and oil separating plant, make oily in oil gas Pearl can be separated, so as to improve Oil-gas Separation rate and reduce the use consumption of filter core.
Brief description of the drawings
A kind of structure of Fig. 1-gas and oil separating plant for engine PCV system of the present utility model Schematic diagram.
In figure:1-gas outlet, 2-stomata, 3-upper diaphragm plate, 4-upper arc-shaped guide plate, 5-arc lower guide plate, 6-under Diaphragm plate, 7-housing, 8-oil return opening, 9-transition joint, 10-vertical clapboard, 11-air inlet pipe, 12-air inlet, 13-return Oilhole, 14-necking speedup area, 15-dilatation deceleration area, 16-filter core, 17-go out gas cap;91-annular boss, 92-permanent magnetism Screen pack.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in drawings:A kind of engine PCV system with gas and oil separating plant, including:Crankcase, Inlet manifold and gas and oil separating plant, the ventilating opening and oil sump of the crankcase air inlet 12 with gas and oil separating plant respectively It is connected with oil return opening 8, the inlet manifold is connected with the gas outlet 1 of gas and oil separating plant;It is characterized in that:The Oil-gas Separation Device includes housing 7, and the inside center of housing 7 is provided with the vertical clapboard 10 of cylinder, and the vertical clapboard 10 is by inside housing 7 It is divided into exocoel and inner chamber, and the top of the vertical clapboard 10 is provided with the stomata 2 of several through-lumens and exocoel, the air inlet 12 and oil return opening 8 be separately positioned on the downside and bottom of exocoel, the gas outlet 1 is arranged on the top of inner chamber, the interior intracavitary Portion is provided with filter core 16;The outer chamber is provided with the upper diaphragm plate 3 being connected respectively with housing 7 and vertical clapboard 10 and lower tabula Plate 6, the upper front end of diaphragm plate 3 are provided with reclinate upper arc-shaped guide plate 4, and the lower front end of diaphragm plate 6 is provided with upwards The arc lower guide plate 5 of bending, the upper arc-shaped guide plate 4 are located at the inner side of arc lower guide plate 5, and the bottom of upper arc-shaped guide plate 4 Less than the top of arc lower guide plate 5.
Air inlet pipe 11 is provided with an inclined manner on the gas and oil separating plant air inlet 12.The axle of the air inlet pipe 11 The angle of the normal of line and shell is 60 °.
Specifically, oil gas can encounter arc after air inlet 12 enters exocoel along the wall spiral of exocoel, oil droplet Rebounded after shape guide plate and flow into oil return opening 8.
Several spill ports 13 are further opened with the vertical clapboard 10, the spill port 13 is located at vertical clapboard 10 and lower diaphragm plate The top of 6 junctions.After the labyrinth air flue that lower diaphragm plate 6 and upper diaphragm plate 3 form, a large amount of oil droplets can fall in lower horizontal stroke oil gas On the wall of dividing plate 6 and lower diaphragm plate 6, and flow into inner chamber from spill port 13 and then instill oil return opening 8.
The both sides of upper diaphragm plate 3 and the junction of the inwall of housing 7 are the arcuate structure to concave.Under upper diaphragm plate 3 The outside of the arcuate structure of side indent and lower diaphragm plate 6 forms a necking speedup area 14, can improve oil gas and enter lower tabula Speed during the labyrinth air flue that plate 6 and upper diaphragm plate 3 form, so as to increase the attraction of oil gas;The upside of upper diaphragm plate 3 with it is perpendicular every The outside of plate 10 can form a dilatation deceleration area, and oil gas can substantially slow down in this region, and the oil gas by deceleration enters filter After core 16, filter core 16 can be made to be separated by filtration remaining oil in oil gas more thorough.
Transition joint 9 is connected with the oil return opening 8, described the upper side and lower side of transition joint 9 is respectively arranged with external screw thread With annular boss 91, the transition joint 9 is internally provided with permanent-magneto filter screen 92.Permanent-magneto filter screen 92 can be adsorbed in oil return Metal dust, so as to ensure to flow back to the cleanliness factor of the machine oil of oil sump.
Set above the inner chamber and gas cap 17 is installed out threadably, the gas outlet 1 is arranged on outlet On cap 17, it is described go out gas cap 17 bottom be in contact with filter core 16.Filter core 16 can be fixed on inner chamber by going out gas cap 17, ensure filter Core 16 will not be moved during the traveling of automobile, and after backing out out gas cap 17, you can filter core 16 is changed.
The operation principle of gas and oil separating plant in the utility model:
After air inlet 12 enters housing 7, oil gas can encounter arc and lead oil gas along the wall spiral of exocoel, oil droplet Rebounded after plate and flow into oil return opening 8;Oil gas rises through what necking speedup area 14 formed into lower diaphragm plate 6 and upper diaphragm plate 3 After the air flue of labyrinth, it can be hit with the upper arc-shaped guide plate 4 of the upper front end of diaphragm plate 3, and under the guiding of upper arc-shaped guide plate 4 with The inner side of arc-shaped guide plate 5 is hit, and oil gas can produce powerful centrifugal force, most oil twice in succession in the air flue of labyrinth Pearl can be all thrown on the wall of lower diaphragm plate 6 and upper diaphragm plate 3, then flowed back to from spill port 13;Oil gas flows out labyrinth air flue Afterwards, after entering filter core 16 after the deceleration of dilatation deceleration area, the oil droplet that filter core 16 filters out can flow into back from the outlet below inner chamber In hydraulic fluid port 8.
For above-described embodiment only to illustrate technical concepts and features of the present utility model, its object is to allow be familiar with technique Personage can understand content of the present utility model and be carried out, the scope of protection of the utility model can not be limited with this, All equivalent change or modifications made according to the utility model Spirit Essence, should all cover the scope of protection of the utility model it It is interior.

Claims (7)

1. a kind of gas and oil separating plant for engine PCV system, including:Crankcase, inlet manifold and oil Air separation, the ventilating opening and oil sump of the crankcase are connected with the air inlet and oil return opening of gas and oil separating plant respectively, The inlet manifold is connected with the gas outlet of gas and oil separating plant;It is characterized in that:The gas and oil separating plant includes housing, institute The vertical clapboard that enclosure interior is provided centrally with cylinder is stated, enclosure interior is divided into exocoel and inner chamber, and institute by the vertical clapboard The stomata that vertical clapboard top is provided with several through-lumens and exocoel is stated, the air inlet and oil return opening are separately positioned on exocoel Downside and bottom, the gas outlet are arranged on the top of inner chamber, and the inner cavity is provided with filter core;The outer chamber is set There are the upper diaphragm plate being connected respectively with housing and vertical clapboard and lower diaphragm plate, the upper tabula front edge of board is provided with reclinate Upper arc-shaped guide plate, the lower tabula front edge of board are provided with the arc lower guide plate being bent upwards, and the upper arc-shaped guide plate is located at lower arc The inner side of shape guide plate.
2. it is used for the gas and oil separating plant of engine PCV system as claimed in claim 1, it is characterised in that:Institute State and be provided with air inlet pipe in an inclined manner on gas and oil separating plant air inlet.
3. it is used for the gas and oil separating plant of engine PCV system as claimed in claim 1, it is characterised in that:Institute State and several spill ports are further opened with vertical clapboard, the spill port is located at the top of vertical clapboard and lower diaphragm plate junction.
4. it is used for the gas and oil separating plant of engine PCV system as claimed in claim 1, it is characterised in that:Institute The bottom for stating arc-shaped guide plate is less than the top of arc lower guide plate.
5. it is used for the gas and oil separating plant of engine PCV system as claimed in claim 1, it is characterised in that:Institute The junction for stating diaphragm plate both sides and inner walls is the arcuate structure to concave.
6. it is used for the gas and oil separating plant of engine PCV system as claimed in claim 1, it is characterised in that:Institute State and transition joint is connected with oil return opening, annular boss is provided with the downside of the transition joint, is set inside the transition joint There is permanent-magneto filter screen.
7. it is used for the gas and oil separating plant of engine PCV system as claimed in claim 1, it is characterised in that:Institute State to be provided with above inner chamber and removably go out gas cap, the gas outlet is arranged on out on gas cap, it is described go out gas cap bottom and filter Core is in contact.
CN201720498256.9U 2017-05-08 2017-05-08 A kind of gas and oil separating plant for engine PCV system Expired - Fee Related CN206681815U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720498256.9U CN206681815U (en) 2017-05-08 2017-05-08 A kind of gas and oil separating plant for engine PCV system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720498256.9U CN206681815U (en) 2017-05-08 2017-05-08 A kind of gas and oil separating plant for engine PCV system

Publications (1)

Publication Number Publication Date
CN206681815U true CN206681815U (en) 2017-11-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720498256.9U Expired - Fee Related CN206681815U (en) 2017-05-08 2017-05-08 A kind of gas and oil separating plant for engine PCV system

Country Status (1)

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CN (1) CN206681815U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109882264A (en) * 2019-03-15 2019-06-14 潍柴重机股份有限公司 A kind of gs-oil separator assembly and crankcase respiratory system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109882264A (en) * 2019-03-15 2019-06-14 潍柴重机股份有限公司 A kind of gs-oil separator assembly and crankcase respiratory system
CN109882264B (en) * 2019-03-15 2020-07-03 潍柴重机股份有限公司 Oil-gas separator assembly and crankcase respiratory system

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171128

Termination date: 20200508

CF01 Termination of patent right due to non-payment of annual fee