CN110513171A - A kind of engine lubrication system and engine - Google Patents
A kind of engine lubrication system and engine Download PDFInfo
- Publication number
- CN110513171A CN110513171A CN201910924336.XA CN201910924336A CN110513171A CN 110513171 A CN110513171 A CN 110513171A CN 201910924336 A CN201910924336 A CN 201910924336A CN 110513171 A CN110513171 A CN 110513171A
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- 238000005461 lubrication Methods 0.000 title claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000000694 effects Effects 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 270
- 239000010687 lubricating oil Substances 0.000 claims description 33
- 230000001050 lubricating effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000000314 lubricant Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000010721 machine oil Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 208000004631 alopecia areata Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/02—Pressure lubrication using lubricating pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/06—Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/10—Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/02—Arrangements of lubricant conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/06—Crankshafts
- F16C3/14—Features relating to lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/06—Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores
- F01M2001/062—Crankshaft with passageways
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/02—Arrangements of lubricant conduits
- F01M2011/027—Arrangements of lubricant conduits for lubricating connecting rod bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention belongs to engine art, disclosing a kind of engine lubrication system and engine, method includes crankcase, and crankshaft is equipped in crankcase, is equipped with crankshaft main oil gallery in crankshaft；Side cover is set to the side of crankcase, is equipped with dark oil duct in side cover；Mechanism is bridged, bridge joint mechanism includes casing and sealing, and sealing is fixedly arranged on the lateral wall of casing, and the outlet of dark oil duct is inserted into one end of casing, and sealing position is on the outside of the outlet of dark oil duct；When the engine operates, casing is mobile towards the entrance of crankshaft main oil gallery under the pressure effect of the high pressure oil in dark oil duct, sealing is set to be pressed on the entrance face of crankshaft main oil gallery, to be tightly connected the outlet of dark oil duct and the entrance of crankshaft main oil gallery, and the high pressure oil in dark oil duct is made to enter the crankshaft main oil gallery by casing.Lubricating system of the invention can shorten oil leab route, so that no need to increase oil pump capacity and oil pressure, to reduce booster probability.
Description
Technical field
The invention belongs to technical field of engines, in particular to a kind of engine lubrication system and engine.
Background technique
Within the engine, lubricating system is a very crucial system, and the quality of lubricating system directly determines whole
The service life of engine.Currently, the lubricant passage way of engine mostly uses greatly the mode of external transition, to realize whole engine
The rational allocation of lubricating oil.Wherein, the external main organic preposition design of oil pump of lubricant passage way and the design of lubricating oil pump postposition, work as machine oil
When pumping preposition, crank-shaft link neck lubricant passage way route is longer, needs that lubricating oil is introduced crankshaft lubrication around body and side cover
Oil circuit.It is not only larger to the waste of oil pressure when lubricant passage way is longer, but also to the requirement of the transition quality of connection of lubricating oil pipe
Higher, in order to guarantee the regular supply of lubricants capacity, most of engine design producers are using increasing oil pump capacity and mention
The modes such as high lubricating oil oil pressure, to play sufficient lubrication effect.But increase oil pump capacity and improve lubricating oil oil pressure,
It can make mistake alopecia areata danger of the engine there are unexpected booster, larger threat is constituted to the service life of whole engine.
Summary of the invention
The object of the present invention is to provide a kind of engine lubrication system and engines, can shorten oil leab route, so that
No need to increase oil pump capacity and oil pressure, to reduce booster probability.
Technical solution provided by the invention is as follows:
On the one hand, a kind of engine lubrication system is provided, comprising:
Crankcase, the crankcase is interior to be equipped with crankshaft, is equipped with crankshaft main oil gallery in the crankshaft；
Side cover is set to the side of the crankcase, is equipped with dark oil duct, the outlet of the dark oil duct and institute in the side cover
The entrance for stating crankshaft main oil gallery is correspondingly arranged and has gap；
Mechanism is bridged, the bridge joint mechanism includes casing and sealing, and the sealing is fixedly arranged on the outside of described sleeve pipe
On wall, the outlet of the dark oil duct is inserted into one end of described sleeve pipe, and the sealing position is on the outside of the outlet of the dark oil duct；
When the engine operates, described sleeve pipe is under the oil pressure effect in the dark oil duct towards the crankshaft main oil gallery
Entrance is mobile, and the sealing is made to be pressed on the entrance face of the crankshaft main oil gallery, to be tightly connected going out for the dark oil duct
The entrance of mouth and the crankshaft main oil gallery, and the high pressure oil in the dark oil duct is made to enter the main oil of the crankshaft by described sleeve pipe
Road.
It is further preferred that the outlet of the dark oil duct is inserted into one end of described sleeve pipe；
The sealing position is in the end of the other end of described sleeve pipe.
It is further preferred that the sealing position is between the both ends of described sleeve pipe；
The outlet of the dark oil duct is inserted into one end of described sleeve pipe；
The other end of described sleeve pipe is inserted into the entrance of the crankshaft main oil gallery.
It is further preferred that further include:
Sealing ring is set between the outer wall of described sleeve pipe and the inner wall of the dark oil duct.
It is further preferred that further include:
Lubricating oil pump is set on the side cover, and the oil outlet of the lubricating oil pump is connected to setting with the entrance of the dark oil duct.
It is further preferred that further include:
Oil strainer is set on the side cover, and the entrance of the oil strainer is used to be connected to setting with oil sump,
The outlet of the oil strainer is connected to setting with the oil inlet of the lubricating oil pump.
It is further preferred that the oil strainer is set to the lower section of the lubricating oil pump；
Outlet and the dark oil duct of the oil inlet of the lubricating oil pump of the connection oil strainer are additionally provided on the side cover.
It is further preferred that the dark oil duct includes vertical oil duct and first level oil duct；
The crankshaft main oil gallery includes the second horizontal oil duct；
The entrance of the vertical oil duct is connected to setting with the oil outlet of the lubricating oil pump；
The outlet of the vertical oil duct is connected to setting with the entrance of the first level oil duct；
The outlet of the first level oil duct and the entrance of the described second horizontal oil duct are set by the bridge joint mechanism connection
It sets.
It is further preferred that further including crank-shaft link neck oil duct；
The crankshaft main oil gallery further includes the oblique oil duct with the angled setting of the described second horizontal oil duct；
The crank-shaft link neck oil duct is arranged by the outlet of the oblique oil duct and the described second horizontal oil duct.
On the other hand, a kind of engine is also provided, including above-mentioned engine lubrication system.
Compared with prior art, a kind of engine lubrication system provided by the invention and engine have below beneficial to effect
Fruit: the present invention can avoid bypassing side cover and body, to shorten lubrication route by processing dark oil duct inside side cover；Dark oil duct
Outlet and the entrance of crankshaft main oil gallery be oppositely arranged, and it is innovative between the outlet of dark oil duct and the entrance of crankshaft main oil gallery
Ground setting bridge joint mechanism, the setting of bridge joint mechanism is ingenious, the high pressure oil in dark oil duct can be introduced the main oil of crankshaft by bridge joint mechanism
The lubrication to rod journal is realized in road；Oil duct built in channel and the reasonable of bridge joint mechanism are arranged not only simple for structure
On the basis of realize lubrication to rod journal, and shorten oil leab route, reduce the quantity of draining point, drop
Low oil leak risk；No need to increase oil pump capacity and oil pressure simultaneously, reduce the probability of booster.
Detailed description of the invention
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, to a kind of engine lubrication system
And above-mentioned characteristic, technical characteristic, advantage and its implementation of engine are further described.
Fig. 1 is a kind of sectional view of one embodiment of engine lubrication system of the present invention；
Fig. 2 is enlarged drawing at A in Fig. 1 when engine does not work；
Enlarged drawing when Fig. 3 is engine operation in Fig. 1 at A；
Fig. 4 is a kind of sectional view of another embodiment of engine lubrication system
Fig. 5 is enlarged drawing at B in Fig. 4 when engine does not work；
Enlarged drawing when Fig. 6 is engine operation in Fig. 4 at B.
Drawing reference numeral explanation
1, crankcase；2, side cover；21, dark oil duct；211, vertical oil duct；212, first level oil duct；3, crankshaft；31, bent
Axis main oil gallery；311, the second horizontal oil duct；312, oblique oil duct；41, casing；42, sealing；5, sealing ring；6, lubricating oil pump；7, machine
Oil strainer；8, crank-shaft link neck oil duct.
Specific embodiment
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, Detailed description of the invention will be compareed below
A specific embodiment of the invention.It should be evident that drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, and obtain other embodiments.
It should be appreciated that when used in this manual, term " includes " indicates the Expressive Features, entirety, step, behaviour
Make, the presence of element and/or component, but one or more other features, entirety, step, operation, element, component are not precluded
And/or the presence or addition of set.
To make simplified form, part related to the present invention is only schematically shown in each figure, they are not represented
Its practical structures as product.In addition, there is identical structure or function in some figures so that simplified form is easy to understand
Component only symbolically depicts one of those, or has only marked one of those.Herein, "one" is not only indicated
" only this ", can also indicate the situation of " more than one ".
Embodiment of the present invention improves a kind of engine lubrication system, please refers to Fig. 1 and Fig. 4, the engine lubrication system
Including crankcase 1, side cover 2 and bridge joint mechanism.It is equipped with crankshaft 3 in crankcase 1, is equipped with crankshaft main oil gallery 31, crankshaft master in crankshaft 3
Lubricating oil in oil duct 31 flows to crankshaft connecting rod lubrication rod journal.
Side cover 2 is set to the side of crankcase 1, and in the process of running due to engine, crankshaft 3 is constantly in contorted
State, therefore when assembling side cover 2, there is gap between side cover 2 and crankshaft 3.Dark oil duct 21 is equipped in side cover 2, dark oil duct 21
Outlet and the entrance of crankshaft main oil gallery 31 are correspondingly arranged and have gap.
Bridging mechanism includes casing 41 and sealing 42, and sealing 42 is fixedly arranged on the lateral wall of casing 41, casing 41
The outlet of dark oil duct 21 is inserted into one end and relatively dark oil duct 21 is slidably arranged, and sealing 42 is located at outside the outlet of dark oil duct 21
Side.
When the engine operates, casing 41 is under the pressure effect of the high pressure oil in dark oil duct 21 towards crankshaft main oil gallery 31
Entrance it is mobile, so that sealing 42 is pressed on the entrance face of crankshaft main oil gallery 31, be tightly connected the outlet of dark oil duct 21 with
The entrance of crankshaft main oil gallery 31, and the high pressure oil in dark oil duct 21 is made to enter crankshaft main oil gallery 31 by casing 41.Crankshaft 3 is revolving
When turning, bridge joint mechanism follows crankshaft 3 to rotate together under the drive of crankshaft 3, moves between sealing 42 and crankshaft 3 there is no opposite
It is dynamic, abrasion can be reduced.
The end face that casing 41 is inserted into one end of dark oil duct 21 is pressure-bearing surface, when high pressure oil passes through dark oil duct 21, high pressure oil
It can act on the pressure-bearing surface of casing 41, keep casing 41 sliding to the flow direction of high pressure oil under the action of high-pressure oil pressure
It is dynamic, i.e., it is mobile towards the entrance of crankshaft main oil gallery 31, and it is pressed on sealing 42 on the entrance face of crankshaft main oil gallery 31, with
The leakproofness for increasing bridge joint mechanism and crankshaft 3, prevents leakage when high pressure oil flow forward.
In present embodiment, by processing dark oil duct 21 inside side cover 2, it can avoid bypassing side cover 2 and body, to shorten
Lubricate route；The dark outlet of oil duct 21 and the entrance of crankshaft main oil gallery 31 are oppositely arranged, and in the outlet of dark oil duct 21 and crankshaft
High pressure oil in dark oil duct 21 can be introduced the main oil of crankshaft by bridge joint mechanism by setting bridge joint mechanism between the entrance of main oil gallery 31
The lubrication to rod journal is realized in road 31；The reasonable setting of oil duct built in channel and bridge joint mechanism is not only realized to song
The lubrication of axis rod journal, and oil leab route is shortened, reduce the quantity of draining point, reduces oil leak risk；Together
When no need to increase oil pump capacity and oil pressure, reduce the probability of booster.
In one embodiment, it please refers to Fig.1 to Fig.3, the outlet of dark oil duct 21 is inserted into one end of casing 41；Sealing
42 are located at the end of the other end of casing 41.One end that casing 41 is inserted into dark oil duct 21 makes casing 41 under the action of high pressure oil
Sealing 42 on the other end resists the end of the entrance of crankshaft main oil gallery 31, to realize dark oil by casing 41 and sealing 42
Sealed connection between road 21 and crankshaft main oil gallery 31, and the high pressure oil in dark oil duct 21 is made to enter crankshaft master by bridging mechanism
Oil duct 31 realizes the lubrication to rod journal.
A sealing ring 5 is additionally provided between the outer wall of casing 41 and the inner wall of dark oil duct 21.When close on 41 lateral wall of casing
When envelope portion 42 is pressed on the entrance face of crankshaft main oil gallery 31, between having between sealing 42 and the exit end face of dark oil duct 21
Gap cannot realize the sealing between bridge joint mechanism and dark oil duct 21 by sealing 42, therefore, by outer wall in casing 41 with
Sealing ring 5 is set between the inner wall of dark oil duct 21, can prevent high pressure oil between the outer wall of casing 41 and the inner wall of dark oil duct 21
Leakage.
In one embodiment, fig. 4 to fig. 6 is please referred to, sealing 42 is located between the both ends of casing 41；Casing 41
One end be inserted into the outlet of dark oil duct 21；The entrance of the other end insertion crankshaft main oil gallery 31 of casing 41.It inserts one end of casing 41
Enter in dark oil duct 21, the other end of casing 41 is inserted into crankshaft main oil gallery 31, when can prevent 41 clamping stagnation of casing from can not move, casing 41
It remains to play the role of bridge joint, so that the high pressure oil in dark oil duct 21 enters in crankshaft main oil gallery 31 by casing 41, and prevent out
Existing oil leakage phenomenon.
Casing 41, which is located between the outer wall in dark oil duct 21 and the inner wall of dark oil duct 21, is additionally provided with a sealing ring 5.Work as casing
When sealing 42 on 41 lateral walls is pressed on the entrance face of crankshaft main oil gallery 31, the outlet of sealing 42 and dark oil duct 21
Between end face have gap, cannot by sealing 42 realize bridge joint mechanism and dark oil duct 21 between sealing, therefore, by
Sealing ring 5 is set between the outer wall of casing 41 and the inner wall of dark oil duct 21, high pressure oil can be prevented from the outer wall of casing 41 and dark oil
It is revealed between the inner wall in road 21.
Casing 41, which is located between the outer wall in crankshaft main oil gallery 31 and the inner wall of crankshaft main oil gallery 31, also is provided with a sealing ring,
When 41 clamping stagnation of casing can not under the effect of the pressure of high pressure oil it is mobile towards the entrance of crankshaft main oil gallery 31, and then can not be by close
When envelope portion 42 compresses the inlet end portion of crankshaft main oil gallery 31 and plays sealing function, sealing function can be played by sealing ring, prevented
Only there is oil leakage phenomenon.
In one embodiment, Fig. 1 and Fig. 4 are please referred to, engine lubrication system further includes the machine being set on side cover 2
Oil pump 6, the oil outlet of lubricating oil pump 6 are connected to setting with the entrance of dark oil duct 21.Lubricating oil pump 6 is set on side cover 2, and dark oil duct
21 are also disposed in side cover 2, can further shorten lubricating oil route.
Engine lubrication system further includes the oil strainer 7 being set on side cover 2, and the entrance of oil strainer 7 is used for
Setting is connected to oil sump, the outlet of oil strainer 7 is connected to setting with the oil inlet of lubricating oil pump 6.Oil strainer 7 for pair
Lubricating oil in oil sump is filtered, to guarantee the cleaning of lubricating oil.Oil strainer 7 and lubricating oil pump 6 are all set to side cover 2
On, lubricating oil route can be shortened.
Oil strainer 7 is set to the lower section of lubricating oil pump 6；Outlet and the machine of connection oil strainer 7 are additionally provided on side cover 2
The dark oil duct of the oil inlet of oil pump 6.The oil inlet of the outlet of setting connection oil strainer 7 and lubricating oil pump 6 directly on side cover 2
Dark oil duct, be not necessarily to external transition oil pipe, not only reduce the quantity of draining point, and reduce oil leak risk.
In a kind of embodiment, Fig. 1 and Fig. 4 are please referred to, dark oil duct 21 includes vertical oil duct 211 and first level oil duct
212；Crankshaft main oil gallery 31 includes the second horizontal oil duct 311；The entrance of vertical oil duct 211 is connected to the oil outlet of lubricating oil pump 6 to be set
It sets；The outlet of vertical oil duct 211 is connected to setting with the entrance of first level oil duct 212；The outlet of first level oil duct 212 and the
The entrance of two horizontal oil ducts 311 passes through bridge joint mechanism connection setting.
Dark oil duct 21 includes vertical oil duct 211 and first level oil duct 212, and first level oil duct 212 and the second level
Oil duct 311 is bridged horizontal oil duct and horizontal oil duct, and first level oil duct 212 by bridge joint mechanism connection setting
Outlet be oppositely arranged with the entrance of the second horizontal oil duct 311, i.e. the outlet of first level oil duct 212 and the second horizontal oil duct
311 entrance is in sustained height, when through bridge joint mechanism bridge joint, can reduce the difficulty of oil duct bridge joint.
Engine lubrication system further includes crank-shaft link neck oil duct 8, crankshaft main oil gallery 31 include the second horizontal oil duct 311 and
With the oblique oil duct 312 of the angled setting of the second horizontal oil duct 311；Crank-shaft link neck oil duct 8 is horizontal by oblique oil duct 312 and second
The outlet of oil duct 311 is arranged.Lubricating oil in crankshaft main oil gallery 31 enters crank-shaft link neck oil duct 8 by oblique oil duct 312
Afterwards to be lubricated to rod journal.
Embodiment of the present invention also provides a kind of engine, please refers to Fig. 1 to Fig. 6, including any of the above-described kind of embodiment
Engine lubrication system.The engine lubrication system can avoid bypassing side cover 2 by processing dark oil duct 21 inside side cover 2
And body, to shorten lubrication route；The dark outlet of oil duct 21 and the entrance of crankshaft main oil gallery 31 are oppositely arranged, and in dark oil duct 21
Outlet and crankshaft main oil gallery 31 entrance between setting bridge joint mechanism, can be by bridge joint mechanism by the high pressure oil in dark oil duct 21
Crankshaft main oil gallery 31 is introduced, realizes the lubrication to rod journal；The reasonable setting of oil duct built in channel and bridge joint mechanism is not
The lubrication to rod journal is only realized, and shortens lubrication route, reduces the quantity of draining point, reduces oil leak
Risk；Simultaneously no need to increase 6 flow of lubricating oil pump and oil pressure, the probability of booster is reduced.
It should be noted that above-described embodiment can be freely combined as needed.The above is only of the invention preferred
Embodiment, it is noted that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, several improvements and modifications can also be made, these modifications and embellishments should also be considered as the scope of protection of the present invention.
Claims (10)
1. a kind of engine lubrication system characterized by comprising
Crankcase, the crankcase is interior to be equipped with crankshaft, is equipped with crankshaft main oil gallery in the crankshaft；
Side cover is set to the side of the crankcase, dark oil duct, the outlet of the dark oil duct and the song is equipped in the side cover
The entrance of axis main oil gallery is correspondingly arranged and has gap；
Mechanism is bridged, the bridge joint mechanism includes casing and sealing, and the sealing is fixedly arranged on the lateral wall of described sleeve pipe,
The outlet of the dark oil duct is inserted into one end of described sleeve pipe, and the sealing position is on the outside of the outlet of the dark oil duct；
When the engine operates, described sleeve pipe is under the oil pressure effect in the dark oil duct towards the entrance of the crankshaft main oil gallery
It is mobile, so that the sealing is pressed on the entrance face of the crankshaft main oil gallery, be tightly connected the outlet of the dark oil duct with
The entrance of the crankshaft main oil gallery, and the high pressure oil in the dark oil duct is made to enter the crankshaft main oil gallery by described sleeve pipe.
2. a kind of engine lubrication system according to claim 1, which is characterized in that
The outlet of the dark oil duct is inserted into one end of described sleeve pipe；
The sealing position is in the end of the other end of described sleeve pipe.
3. a kind of engine lubrication system according to claim 1, which is characterized in that
The sealing position is between the both ends of described sleeve pipe；
The outlet of the dark oil duct is inserted into one end of described sleeve pipe；
The other end of described sleeve pipe is inserted into the entrance of the crankshaft main oil gallery.
4. a kind of engine lubrication system according to claim 1-3, which is characterized in that
Further include:
Sealing ring is set between the outer wall of described sleeve pipe and the inner wall of the dark oil duct.
5. a kind of engine lubrication system according to claim 1, which is characterized in that
Further include:
Lubricating oil pump is set on the side cover, and the oil outlet of the lubricating oil pump is connected to setting with the entrance of the dark oil duct.
6. a kind of engine lubrication system according to claim 5, which is characterized in that
Further include:
Oil strainer is set on the side cover, and the entrance of the oil strainer is described for being connected to setting with oil sump
The outlet of oil strainer is connected to setting with the oil inlet of the lubricating oil pump.
7. a kind of engine lubrication system according to claim 6, which is characterized in that
The oil strainer is set to the lower section of the lubricating oil pump；
Outlet and the dark oil duct of the oil inlet of the lubricating oil pump of the connection oil strainer are additionally provided on the side cover.
8. a kind of engine lubrication system according to claim 1, which is characterized in that
The dark oil duct includes vertical oil duct and first level oil duct；
The crankshaft main oil gallery includes the second horizontal oil duct；
The entrance of the vertical oil duct is connected to setting with the oil outlet of lubricating oil pump；
The outlet of the vertical oil duct is connected to setting with the entrance of the first level oil duct；
The outlet of the first level oil duct is arranged with the entrance of the described second horizontal oil duct by the bridge joint mechanism connection.
9. a kind of engine lubrication system according to claim 8, which is characterized in that
It further include crank-shaft link neck oil duct；
The crankshaft main oil gallery further includes the oblique oil duct with the angled setting of the described second horizontal oil duct；
The crank-shaft link neck oil duct is arranged by the outlet of the oblique oil duct and the described second horizontal oil duct.
10. a kind of engine, which is characterized in that including the described in any item engine lubrication systems of the claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910924336.XA CN110513171A (en) | 2019-09-27 | 2019-09-27 | A kind of engine lubrication system and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910924336.XA CN110513171A (en) | 2019-09-27 | 2019-09-27 | A kind of engine lubrication system and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110513171A true CN110513171A (en) | 2019-11-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115247585A (en) * | 2022-06-17 | 2022-10-28 | 潍柴动力股份有限公司 | Main oil gallery for removing impurities, lubricating system and engine |
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| CN1981148A (en) * | 2004-04-22 | 2007-06-13 | 格维皮公司 | A hydraulic seal device with a sleeve |
| CN106122457A (en) * | 2016-08-25 | 2016-11-16 | 南京安维士传动技术股份有限公司 | A kind of for wind turbine gearbox hydraulic fluid port sealing structure |
| DE102016102535A1 (en) * | 2016-02-15 | 2017-08-17 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | connecting sleeve |
| CN210564698U (en) * | 2019-09-27 | 2020-05-19 | 江苏常发农业装备股份有限公司 | Engine lubricating system and engine |
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| RU5423U1 (en) * | 1996-07-01 | 1997-11-16 | Волгоградский государственный технический университет | INTERNAL COMBUSTION ENGINE CONNECTOR LUBRICATION SYSTEM |
| CN1981148A (en) * | 2004-04-22 | 2007-06-13 | 格维皮公司 | A hydraulic seal device with a sleeve |
| DE102016102535A1 (en) * | 2016-02-15 | 2017-08-17 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | connecting sleeve |
| CN106122457A (en) * | 2016-08-25 | 2016-11-16 | 南京安维士传动技术股份有限公司 | A kind of for wind turbine gearbox hydraulic fluid port sealing structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115247585A (en) * | 2022-06-17 | 2022-10-28 | 潍柴动力股份有限公司 | Main oil gallery for removing impurities, lubricating system and engine |
| CN115247585B (en) * | 2022-06-17 | 2024-02-20 | 潍柴动力股份有限公司 | Main oil duct for removing impurities, lubricating system and engine |
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