CN109098814A - Oil return apparatus - Google Patents

Oil return apparatus Download PDF

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Publication number
CN109098814A
CN109098814A CN201811333416.XA CN201811333416A CN109098814A CN 109098814 A CN109098814 A CN 109098814A CN 201811333416 A CN201811333416 A CN 201811333416A CN 109098814 A CN109098814 A CN 109098814A
Authority
CN
China
Prior art keywords
oil
oil return
check valve
machine
machine oil
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.)
Pending
Application number
CN201811333416.XA
Other languages
Chinese (zh)
Inventor
张�雄
朱雄
梁德浦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Yuchai Machinery Co Ltd
Original Assignee
Guangxi Yuchai Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangxi Yuchai Machinery Co Ltd filed Critical Guangxi Yuchai Machinery Co Ltd
Priority to CN201811333416.XA priority Critical patent/CN109098814A/en
Publication of CN109098814A publication Critical patent/CN109098814A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/02Arrangements of lubricant conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00Crankcase ventilating or breathing
    • F01M13/04Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil

Abstract

The invention discloses a kind of oil return apparatus, are hung on engine outside, and oil return apparatus includes: gs-oil separator, oil return pipe, check valve and machine oil transit joint.Oil return pipe one end is connected to gs-oil separator;Check valve one end is connected in oil return pipe;Machine oil transit joint one end is connected to check valve, and the other end of machine oil transit joint is fixed in the cylinder block of engine, and is connected to the oil sump of engine;Wherein, the machine oil gas in the crankcase of engine enters gs-oil separator by valve mechanism cover, and the machine oil after separation flows back into oil sump by oil return pipe, check valve and machine oil transit joint.Whereby, oil return apparatus of the invention, simple and reasonable, high reliablity, and increase the flexibility of complete machine arrangement.

Description

Oil return apparatus
Technical field
The present invention relates to technical field of engines, especially with regard to a kind of oil return apparatus.
Background technique
Domestic emission regulation is increasingly stringent, and diesel engine is to reach six emission request of state, needs to increase plug-in oil gas point From device.Engine crankcase gas containing machine oil enters gs-oil separator by valve mechanism cover, and the gas after separation returns to booster Air inlet tube, machine oil then pass through oil return pipe and flow back to oil sump.
Currently used circuit generally returns to inside oil sump below minimum machine oil liquid level.
Currently used oil return has the disadvantage that machine oil liquid level mode below
1, difficult arrangement, the more compact complexity of six engine arrangement of state, oil sump is in irregular shape, below oil return to liquid level Must be by the oil return pipe weldment that is inserted on body, while must assure that certain oil return height;
2, oil-gas separation efficiency is bad, and during vehicle movement, especially climb and fall, pasta are tilted, gas in crankcase It may scurry into inside oil return pipe even gs-oil separator, influence gs-oil separator oil return and separative efficiency.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
It is simple and reasonable the purpose of the present invention is to provide a kind of oil return apparatus, high reliablity, and increase complete machine cloth The flexibility set.
To achieve the above object, the present invention provides a kind of oil return apparatus, are hung on engine outside, and oil return apparatus includes: oil Gas separating device, oil return pipe, check valve and machine oil transit joint.Oil return pipe one end is connected to gs-oil separator;Check valve one end It is connected in oil return pipe;Machine oil transit joint one end is connected to check valve, and the other end of machine oil transit joint is fixed on engine Cylinder block on, and be connected to the oil sump of engine;Wherein, the machine oil gas in the crankcase of engine passes through valve mechanism cover Into gs-oil separator, and the machine oil after separation flows back into oil sump by oil return pipe, check valve and machine oil transit joint.
In a preferred embodiment, check valve includes: ontology, sealing cone, sphere and spring.Tool among ontology There is through-hole;Sealing cone is set in through-hole;Sphere is set to the lower section of sealing cone, and sphere is corresponding with sealing cone matches It closes;And spring is set to the lower section of sphere.
In a preferred embodiment, machine oil flows into check valve and passes sequentially through through-hole, sealing cone, sphere and spring.
In a preferred embodiment, one end of machine oil transit joint and the other end of check valve are to pass through threaded communication 's.
In a preferred embodiment, the other end of machine oil transit joint and cylinder block are that interference fit is fixed.
Compared with prior art, oil return apparatus according to the present invention, simple and reasonable, high reliablity, and increase whole The flexibility of machine arrangement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of oil return apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of internal structure of the check valve of oil return apparatus according to an embodiment of the present invention.
Fig. 3 is another schematic diagram of internal structure of the check valve of oil return apparatus according to an embodiment of the present invention.
Main appended drawing reference explanation:
1- gs-oil separator, 2- oil return pipe, 3- check valve, 31- ontology, 32- sealing cone, 33- sphere, 34- spring, 4- Machine oil transit joint, 5- oil sump, 6- cylinder block.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention Shield range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members Part or other component parts.
As shown in Figure 1 to Figure 3, Fig. 1 is the structural schematic diagram of oil return apparatus according to an embodiment of the present invention;Fig. 2 is One schematic diagram of internal structure of the check valve of oil return apparatus according to an embodiment of the present invention;Fig. 3 is one real according to the present invention Apply another schematic diagram of internal structure of the check valve of the oil return apparatus of mode.
A kind of oil return apparatus according to the preferred embodiment of the present invention, is hung on engine outside, and oil return apparatus includes: oil gas point From device 1, oil return pipe 2, check valve 3 and machine oil transit joint 4.2 one end of oil return pipe is connected to gs-oil separator 1;Check valve 3 one It holds and is connected in oil return pipe 2;4 one end of machine oil transit joint is connected to check valve 3, and the other end of machine oil transit joint 4 is fixed on In the cylinder block 6 of engine, and it is connected to the oil sump of engine 5;Wherein, the machine oil gas in the crankcase of engine passes through Valve mechanism cover enters gs-oil separator 1, and the machine oil after separation is flowed back to by oil return pipe 2, check valve 3 and machine oil transit joint 4 To oil sump 5.
In a preferred embodiment, check valve 3 includes: ontology 31, sealing cone 32, sphere 33 and spring 34. There is through-hole among ontology 31;Sealing cone 32 is set in through-hole;Sphere 33 is set to the lower section of sealing cone 32, and sphere 33 cooperations corresponding with sealing cone 32;And spring 34 is set to the lower section of sphere 33.
In a preferred embodiment, machine oil flow into check valve 3 pass sequentially through through-hole, sealing cone 32, sphere 33 and Spring 34;One end of machine oil transit joint 4 and the other end of check valve 3 are by threaded communication;Machine oil transit joint 4 it is another One end and cylinder block 6 are that interference fit is fixed.
In practical applications, oil return apparatus of the invention, the machine oil gas contained in the crankcase of engine pass through cylinder Housing enters gs-oil separator 1, and the gas after separation returns to booster air inlet tube, and machine oil then passes through oil return pipe 2 and flows back to oily bottom Shell 5.3 permission machine oil of check valve flow into oil sump 5, prevent gas in crankcase from scurrying into oil return pipe 2, specifically, such as Fig. 2 institute Show, the machine oil to come from oil return pipe 2, under the effect of gravity by 33 compressed spring 34 of sphere, sphere 33 leaves sealing cone 32, Machine oil flows back to oil sump 5 by check valve 3.As shown in figure 3, pushing sphere 33 when the gas in crankcase enters check valve 3 Uplink, sphere 33 and sealing cone 32 cooperate, and gas is prevented to scurry into oil return pipe 2 by check valve 3.
In short, oil return apparatus of the invention, has the following beneficial effects:
1, the flexibility of complete machine arrangement, oil sump shape, oil level, gs-oil separator arrangement height, relevant tube are increased The arrangement on road etc. is unrestricted;
2, high reliablity can prevent to alter on the gas in the crankcase of engine in any condition;
3, check valve and machine oil transit joint are connected through a screw thread, and detachability is good.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims (5)

1. a kind of oil return apparatus, is hung on engine outside, which is characterized in that the oil return apparatus includes:
Gs-oil separator;
Oil return pipe, one end are connected to the gs-oil separator;
Check valve, one end are connected in the oil return pipe;And
Machine oil transit joint, one end are connected to the other end of the check valve, and the other end of the machine oil transit joint is solid Due in the cylinder block of the engine, and it is connected to the oil sump of the engine;
Wherein, the machine oil gas in the crankcase of the engine enters the gs-oil separator by valve mechanism cover, and separates Machine oil afterwards flows back into the oil sump by the oil return pipe, the check valve and the machine oil transit joint.
2. oil return apparatus as described in claim 1, which is characterized in that the check valve includes:
Ontology has through-hole among it;
Sealing cone is set in the through-hole;
Sphere is set to the lower section of the sealing cone, and sphere cooperation corresponding with the sealing cone;And
Spring is set to the lower section of the sphere.
3. oil return apparatus as claimed in claim 2, which is characterized in that the machine oil inflow check valve passes sequentially through described Through-hole, the sealing cone, the sphere and the spring.
4. oil return apparatus as described in claim 1, which is characterized in that one end of the machine oil transit joint and the check valve The other end be by threaded communication.
5. oil return apparatus as claimed in claim 4, which is characterized in that the other end and the cylinder of the machine oil transit joint Body is that interference fit is fixed.
CN201811333416.XA 2018-11-09 2018-11-09 Oil return apparatus Pending CN109098814A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811333416.XA CN109098814A (en) 2018-11-09 2018-11-09 Oil return apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811333416.XA CN109098814A (en) 2018-11-09 2018-11-09 Oil return apparatus

Publications (1)

Publication Number Publication Date
CN109098814A true CN109098814A (en) 2018-12-28

Family

ID=64870142

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811333416.XA Pending CN109098814A (en) 2018-11-09 2018-11-09 Oil return apparatus

Country Status (1)

Country Link
CN (1) CN109098814A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110925055A (en) * 2019-12-16 2020-03-27 潍柴动力股份有限公司 One-way oil return gas sealing cover plate structure and oil-gas separation oil return device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1286025A1 (en) * 2001-06-28 2003-02-26 Yamaha Hatsudoki Kabushiki Kaisha Blow-by gas oil separator for an internal combustion engine
US20040069286A1 (en) * 2002-10-12 2004-04-15 Desmond Knowles Method and apparatus for treating crankcase emissions
CN201687434U (en) * 2009-12-23 2010-12-29 大庆油田有限责任公司 Ball type drill rod check valve for well repair
CN203271862U (en) * 2013-06-09 2013-11-06 中国重汽集团济南动力有限公司 Oil return device of oil-gas separator
CN203403924U (en) * 2013-07-23 2014-01-22 安徽江淮汽车股份有限公司 Breathing system of engine
CN203962099U (en) * 2014-06-23 2014-11-26 安徽华菱汽车有限公司 A kind of engine breathing system and motor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1286025A1 (en) * 2001-06-28 2003-02-26 Yamaha Hatsudoki Kabushiki Kaisha Blow-by gas oil separator for an internal combustion engine
US20040069286A1 (en) * 2002-10-12 2004-04-15 Desmond Knowles Method and apparatus for treating crankcase emissions
CN201687434U (en) * 2009-12-23 2010-12-29 大庆油田有限责任公司 Ball type drill rod check valve for well repair
CN203271862U (en) * 2013-06-09 2013-11-06 中国重汽集团济南动力有限公司 Oil return device of oil-gas separator
CN203403924U (en) * 2013-07-23 2014-01-22 安徽江淮汽车股份有限公司 Breathing system of engine
CN203962099U (en) * 2014-06-23 2014-11-26 安徽华菱汽车有限公司 A kind of engine breathing system and motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110925055A (en) * 2019-12-16 2020-03-27 潍柴动力股份有限公司 One-way oil return gas sealing cover plate structure and oil-gas separation oil return device
CN110925055B (en) * 2019-12-16 2021-08-20 潍柴动力股份有限公司 One-way oil return gas sealing cover plate structure and oil-gas separation oil return device

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Application publication date: 20181228