CN106246280A - Injecting type lubricating structure - Google Patents
Injecting type lubricating structure Download PDFInfo
- Publication number
- CN106246280A CN106246280A CN201610595144.5A CN201610595144A CN106246280A CN 106246280 A CN106246280 A CN 106246280A CN 201610595144 A CN201610595144 A CN 201610595144A CN 106246280 A CN106246280 A CN 106246280A
- Authority
- CN
- China
- Prior art keywords
- oil
- axle journal
- oil duct
- lubricating structure
- injecting type
- 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.)
- Granted
Links
Classifications
-
- 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
- F01M1/08—Lubricating systems characterised by the provision therein of lubricant jetting means
-
- 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
- F01M1/06—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
- F01M1/00—Pressure lubrication
- F01M1/08—Lubricating systems characterised by the provision therein of lubricant jetting means
- F01M2001/083—Lubricating systems characterised by the provision therein of lubricant jetting means for lubricating cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a kind of injecting type lubricating structure, including the injection oil duct being arranged in casing, described injection oil duct has jet, the oil spout direction of described jet just piston die cavity to casing；The machine oil that jet ejects can arrive the end face of piston die cavity, effectively to the cooling of piston-type top of chamber and is lubricated the moving component in cylinder body, it is ensured that cylinder is properly functioning, it is to avoid the unnecessary loss of engine power, and simple in construction, easy to process；Meanwhile, the oil injection intensity that the axle journal of high-speed rotation makes is bigger, it is ensured that while cooling flow abundance, expands peripheral parts sputtering lube range and intensity, and the injection machine oil flowed out the most at a high speed is beneficial to axle journal and supports the inner circle cloth oil of seat, it is ensured that high lubricating effect.
Description
Technical field
The present invention relates to engine lubrication field, be specifically related to a kind of injecting type lubricating structure.
Background technology
General purpose engine generally has the motion parts such as crankcase, bent axle, piston, connecting rod, and crankcase is the master of gasoline engine
Want one of parts, crankcase cover form crankcase together with crankcase.
Engine crankcase internal storage machine oil, in the course of the work, the working surface of moving parts is concavo-convex to electromotor
Uneven, in order to prevent the dry friction between metalwork, general electromotor is required for arranging lubricating system, between friction surface
Formed oil film, it is achieved fluid friction, thus reducing friction resistance, reduction power consumption, improve electromotor work reliability and
Durability.
In traditional engine oil lubrication system, including lubricating oil pump, oil filtration net and the lubrication being placed on crankcase
Oil duct, lubricating oil pump is provided with gear drive, and the machine oil being stored in crankcase bottom is inhaled into main oil gallery and is delivered to need lubrication
Parts at, it usually needs main oil gallery lubrication have a maneton, balance axle journal etc., and inside the die cavity of piston typically by
Splash the oil lubricating come up, but owing to the factor such as angle and space limits, splashes few into the machine oil in piston-type intracavity portion, profit
Sliding effect is bad so that piston is bigger with cylinder holes frictional resistance, and friction surface wear is serious；Engine combustion produces high temperature simultaneously
Pass to piston, cause piston temperature the highest, and piston and cylinder sleeve friction, producing heat can not disperse in time, easily causes
Piston deformation and thermal expansion, piston ring is burnt to death and the abnormal phenomena such as top land damage.
Therefore, it is necessary to available engine lubricating structure is improved, it is ensured that piston-type top of chamber is effectively dropped
In gentle cylinder body, parts are lubricated, and simple in construction, and easy to process, production cost is low.
Summary of the invention
In view of this, it is an object of the invention to overcome defect of the prior art, it is provided that a kind of injecting type lubricating structure, protect
In card carries out effective temperature-reducing and cylinder body to piston-type top of chamber, parts are lubricated, and simple in construction, easy to process.
The injecting type lubricating structure of the present invention, including the injection oil duct being arranged in casing, described injection oil duct has spray
Hydraulic fluid port, the oil spout direction of described jet just piston die cavity to casing；Described casing includes that crankcase becomes with fixing or one
Type is in the cylinder body of crankcase, and when piston arrives top dead centre, the machine oil that jet ejects can arrive the end face of piston die cavity, have
Imitate the cooling of piston-type top of chamber and the moving component in cylinder body is lubricated, it is ensured that cylinder is properly functioning, it is to avoid electromotor
The unnecessary loss of power, and simple in construction, easy to process.
Further, described casing is provided with axle journal and supports seat, is provided with the pressure for force feed axle journal and moistens in described casing
Grease way, and the outlet of force feed oil duct be positioned at axle journal support seat inner circle, the oil-in of described injection oil duct is positioned at axle journal and props up
Support seat inner circle；Owing to the axle journal of high-speed rotation drives machine oil high-speed rotation, easily the oil-in at injection oil duct increases pressure, makes
Oil injection intensity is bigger, it is ensured that while cooling flow abundance, expands peripheral parts sputtering lube range and intensity, simultaneously
The injection machine oil flowed out at a high speed is beneficial to axle journal and supports the inner circle machine oil flow velocity increase of seat, it is ensured that high lubricating effect, the most beneficially axle
Neck is lowered the temperature.
Further, described axle journal supports seat inner circle and forms lubrication groove, and the outlet of described force feed oil duct is positioned at lubrication groove
Inwall；Increase lubrication area and the lubricating oil supply of axle journal, it is ensured that journal lubrication is effective, reduces journal friction loss, improves
Power output or transmission efficiency.
Further, the oil-in of described injection oil duct is positioned at lubrication groove inwall；By the oil-in of injection oil duct by lubrication
Groove is connected to the oil-out of force feed oil duct and forms the path that together sectional dimension is bigger, it is ensured that injection oil duct cross dimensions
Can arrange bigger, it is to avoid affect the stream of injection runner owing to the ebb interval excessively between axle journal and axle journal mounting seat inner circle is less
Amount.
Further, described lubrication groove is the annular lubricant groove coaxial with axle journal；Ensure axle journal mounting seat inner circle circumferentially side
Arrange fully to lubricating oil, it is ensured that bearing lubrication effect.
Further, described axle journal support seat inner circle depression formed heavy stand, an axle sleeve in the way of axial limiting in be placed on heavy
The mesa sidewall of the step surface of platform its end and heavy stand forms described annular lubricant groove；.
Further, described axle journal mounting seat inner circle depression formed heavy stand, an axle sleeve in the way of axial limiting in be placed on heavy
The mesa sidewall of the step surface of platform its end and heavy stand forms described annular groove medial wall；Avoid annular groove processing tired
Difficulty, axle sleeve is prone to reduce further the frictional force of crankshaft journal simultaneously, it is ensured that engine power delivery efficiency is high.
Further, the step surface of described heavy stand forms indent and forms the limited step for countershaft set axial limiting, processing
Simply, axle sleeve is easy for installation.
Further, the oil-in of described injection oil duct is positioned at the bottom land of lubrication groove；It is easy to lubricating oil entering from injection oil duct
The smooth and easy inflow of hydraulic fluid port, it is ensured that in injection oil duct, pressure is relatively big, beneficially jet injection.
Further, described jet is positioned at axle journal support seat cylindrical near one end of piston；Avoid the spray that jet sprays
Penetrate machine oil to be limited by cylinder base, be beneficial to make spraying machine oil spurts to piston-type top of chamber, and compact conformation, injection side
High to control accuracy, good stability.
The invention has the beneficial effects as follows: a kind of injecting type lubricating structure disclosed by the invention, by being arranged in casing
Injection oil duct, injection oil duct has jet, and the oil spout direction of jet just piston die cavity to casing, jet ejects
Machine oil can arrive the end face of piston die cavity, effectively to the cooling of piston-type top of chamber and is lubricated the moving component in cylinder body,
Ensure that cylinder is properly functioning, avoid the unnecessary loss of engine power, and simple in construction, easy to process；Meanwhile, high-speed rotation
The oil injection intensity that axle journal easily makes is bigger, it is ensured that while cooling flow abundance, expands and peripheral parts is sputtered lube range
And intensity, the injection machine oil flowed out the most at a high speed is beneficial to axle journal and supports the inner circle cloth oil of seat, it is ensured that high lubricating effect.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of the present invention；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is another structural representation of the present invention.
Detailed description of the invention
Fig. 1 is the structural representation of the present invention, and Fig. 2 is enlarged drawing at A in Fig. 1, and Fig. 3 is another structural representation of the present invention
Figure, as it can be seen, the injecting type lubricating structure in the present embodiment；Including the injection oil duct 1 being arranged in casing, described injection oil
Road 1 has jet 1a, the oil spout direction of described jet 1a just piston die cavity to casing；Described casing include crankcase and
It is fixed on the cylinder 3 of crankcase, as it can be seen, crankcase includes crankcase and crankcase cover 2, the present embodiment injection oil duct 1
It is arranged on the crankcase cover 2 of crankcase, certainly, in injection oil duct 1, has the injection machine oil of certain pressure intensity, meanwhile, jet 1a
Oil spout direction just piston die cavity to casing, when piston arrives top dead centre, the machine oil that jet 1a ejects can arrive work
The end face in plunger type chamber, effectively to the cooling of piston-type top of chamber and is lubricated the moving component in cylinder body, it is ensured that cylinder is normal
Run, avoid the unnecessary loss of engine power, and simple in construction, easy to process.
In the present embodiment, described casing is provided with axle journal and supports seat 4, is provided with the pressure for force feed axle journal in described casing
Hydrodynamic lubrication oil duct 5, and the outlet of force feed oil duct 5 be positioned at axle journal support seat 4 inner circle, the oil-in of described injection oil duct 16
Seat 4 inner circle is supported in axle journal；Described axle journal supports seat 4 and supports seat 4 for crankshaft journal, and injection oil duct 1 is wholy set in and is positioned at song
The crankshaft journal of axle box cover 2 supports on seat 4；Axle journal supports and is provided with lubricating oil pump 7, by lubricating oil pump 7 by the profit of bottom bottom seat 4
Sliding suction comes up, and oil leab first passes through force feed oil duct 5 and enters axle journal and support seat 4 inner circle and carry out journal lubrication, and passes through
Piston die cavity is sprayed by the injection oil duct 1 being arranged at axle journal support seat 4, when axle journal supports in the inner circle of seat 4 at axle journal,
Owing to the axle journal of high-speed rotation drives machine oil high-speed rotation, easily the oil-in 6 at injection oil duct 1 increases pressure, the machine oil spray made
Penetrate intensity bigger, it is ensured that while cooling flow abundance, expand peripheral parts sputtering lube range and intensity, high velocity stream simultaneously
The injection machine oil gone out is beneficial to axle journal and supports the inner circle machine oil flow velocity increase of seat 4 so that cloth oil (distribution of machine oil diverse location) is more
Flexibly, in hgher efficiency, it is to avoid when closing machine oil is static, cloth oil efficiency is low, it is ensured that high lubricating effect, the most beneficially axle journal cooling, axle
Machine oil in cervical branch support seat 4 updates rapidly, it is to avoid impurities accumulation and damage axle journal or axle journal supports seat 4.
In the present embodiment, described axle journal supports seat 4 inner circle and forms lubrication groove, and the outlet of described force feed oil duct 5 is positioned at
Lubrication groove inwall；Increase lubrication area and the lubricating oil supply of axle journal, it is ensured that journal lubrication is effective, reduces journal friction and damages
Consumption, improves power output or transmission efficiency.
In the present embodiment, the oil-in 6 of described injection oil duct 1 is positioned at lubrication groove inwall；Oil-in 6 by injection oil duct 1
The oil-out being connected to force feed oil duct 5 by lubrication groove forms the path that a sectional dimension is bigger, it is ensured that injection oil duct 1
Cross dimensions can arrange bigger, it is to avoid affects injection stream owing to the ebb interval excessively between axle journal and axle journal mounting seat inner circle is less
The flow in road, certainly, lubrication groove can be peripherally disposed arcuate groove, and the oil-in 6 of injection oil duct 1 is arranged at arcuate groove
Interior end in axle journal rotation direction, is beneficial under the driving of axle journal the oil-in 6 at injection oil duct 1 and forms bigger pressure,
Increase the jet pressure of injection oil duct 1.
In the present embodiment, described lubrication groove is the annular lubricant groove 7 coaxial with axle journal；Ensure that axle journal mounting seat inner circle is along circle
Circumferential direction lubricating oil is arranged fully, it is ensured that journal lubrication is effective, be more conducive to simultaneously generation annular lubricant groove 7 in bigger from
Mental and physical efforts, it is ensured that injection intensity is big.
In the present embodiment, described axle journal mounting seat inner circle depression forms heavy stand 8, in an axle sleeve 9 is in the way of axial limiting
The mesa sidewall 8a of the step surface its end and heavy stand 8 that are placed on heavy stand 8 forms described annular groove medial wall；Avoid annular recessed
Groove processing difficulties, axle sleeve 9 is prone to reduce further the frictional force of crankshaft journal simultaneously, it is ensured that engine power delivery efficiency is high；
It is beneficial to improve cloth oil effect, it is ensured that lubrication.
In the present embodiment, the step surface of described heavy stand 8 forms indent and is formed for the limited step to axle sleeve 9 axial limiting
10, processing is simple, and axle sleeve 9 is easy for installation.
In the present embodiment, the oil-in 6 of described injection oil duct 1 is positioned at the bottom land of lubrication groove；It is easy to lubricating oil from injection oil
The smooth and easy inflow of oil-in 6 in road 1, it is ensured that in injection oil duct 1, pressure is relatively big, beneficially jet injection.
In the present embodiment, described jet 1a is positioned at axle journal and supports seat 4 cylindrical near one end of piston；Avoid jet 1a
The injection machine oil of ejection is limited by cylinder base, is beneficial to make spraying machine oil spurts to piston-type top of chamber, and structure is tight
Gathering, injection direction control accuracy is high, good stability.
Finally illustrating, above example is only in order to illustrate technical scheme and unrestricted, although with reference to relatively
The present invention has been described in detail by good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, and without deviating from objective and the scope of technical solution of the present invention, it all should be contained at this
In the middle of the right of invention.
Claims (9)
1. an injecting type lubricating structure, it is characterised in that: including the injection oil duct being arranged in casing, described injection oil duct has
There is jet, the oil spout direction of described jet just piston die cavity to casing.
Injecting type lubricating structure the most according to claim 1, it is characterised in that: described casing is provided with axle journal and supports seat, institute
It is provided with the force feed oil duct for force feed axle journal in stating casing, and the oil-out of force feed oil duct is positioned at axle journal and supports
Seat inner circle, the oil-in of described injection oil duct is positioned at axle journal and supports seat inner circle.
Injecting type lubricating structure the most according to claim 2, it is characterised in that: described axle journal supports seat inner circle and forms lubrication
Groove, the outlet of described force feed oil duct is positioned at lubrication groove inwall.
Injecting type lubricating structure the most according to claim 3, it is characterised in that: the oil-in of described injection oil duct is positioned at profit
Chute inwall.
Injecting type lubricating structure the most according to claim 3, it is characterised in that: described lubrication groove is the ring coaxial with axle journal
Shape lubrication groove.
Injecting type lubricating structure the most according to claim 5, it is characterised in that: described axle journal supports seat inner circle depression and is formed
Heavy stand, an axle sleeve in the way of axial limiting in be placed on the step surface of heavy stand its end and formed described with the mesa sidewall of heavy stand
Annular lubricant groove.
Injecting type lubricating structure the most according to claim 6, it is characterised in that: the step surface indent of described heavy stand is formed to be used
Limited step in countershaft set axial limiting.
Injecting type lubricating structure the most according to claim 4, it is characterised in that: the oil-in of described injection oil duct is positioned at profit
The bottom land of chute.
Injecting type lubricating structure the most according to claim 2, it is characterised in that: described jet is positioned at axle journal and supports outside seat
Circle is near one end of piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610595144.5A CN106246280B (en) | 2016-07-26 | 2016-07-26 | Injecting type lubricating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610595144.5A CN106246280B (en) | 2016-07-26 | 2016-07-26 | Injecting type lubricating structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106246280A true CN106246280A (en) | 2016-12-21 |
| CN106246280B CN106246280B (en) | 2019-07-26 |
Family
ID=57603765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610595144.5A Active CN106246280B (en) | 2016-07-26 | 2016-07-26 | Injecting type lubricating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106246280B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566361A (en) * | 2019-10-14 | 2019-12-13 | 中船动力研究院有限公司 | diesel engine cylinder cover and diesel engine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002054419A (en) * | 2000-08-07 | 2002-02-20 | Honda Motor Co Ltd | Crankshaft lubricating device |
| CN1445438A (en) * | 2003-04-15 | 2003-10-01 | 周亮俊 | Pressure type oil suction device |
| CN202788978U (en) * | 2012-08-31 | 2013-03-13 | 浙江吉利汽车研究院有限公司杭州分公司 | Lubricating oil passage structure of automobile engine cylinder body |
| CN203271853U (en) * | 2013-05-20 | 2013-11-06 | 无锡开普动力有限公司 | Engine oil duct structure |
| CN204003145U (en) * | 2014-08-07 | 2014-12-10 | 陈云兰 | A kind of crankcase mechanism |
| CN205823363U (en) * | 2016-07-26 | 2016-12-21 | 隆鑫通用动力股份有限公司 | Piston die cavity lubricating structure |
-
2016
- 2016-07-26 CN CN201610595144.5A patent/CN106246280B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002054419A (en) * | 2000-08-07 | 2002-02-20 | Honda Motor Co Ltd | Crankshaft lubricating device |
| CN1337521A (en) * | 2000-08-07 | 2002-02-27 | 本田技研工业株式会社 | Crank lubricating device |
| CN1445438A (en) * | 2003-04-15 | 2003-10-01 | 周亮俊 | Pressure type oil suction device |
| CN202788978U (en) * | 2012-08-31 | 2013-03-13 | 浙江吉利汽车研究院有限公司杭州分公司 | Lubricating oil passage structure of automobile engine cylinder body |
| CN203271853U (en) * | 2013-05-20 | 2013-11-06 | 无锡开普动力有限公司 | Engine oil duct structure |
| CN204003145U (en) * | 2014-08-07 | 2014-12-10 | 陈云兰 | A kind of crankcase mechanism |
| CN205823363U (en) * | 2016-07-26 | 2016-12-21 | 隆鑫通用动力股份有限公司 | Piston die cavity lubricating structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566361A (en) * | 2019-10-14 | 2019-12-13 | 中船动力研究院有限公司 | diesel engine cylinder cover and diesel engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106246280B (en) | 2019-07-26 |
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