CN111535898A - Labyrinth type lubricating oil purification system of engine and engine - Google Patents
Labyrinth type lubricating oil purification system of engine and engine Download PDFInfo
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- CN111535898A CN111535898A CN202010383482.9A CN202010383482A CN111535898A CN 111535898 A CN111535898 A CN 111535898A CN 202010383482 A CN202010383482 A CN 202010383482A CN 111535898 A CN111535898 A CN 111535898A
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- 238000000746 purification Methods 0.000 title claims abstract description 103
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 24
- 239000003921 oil Substances 0.000 claims abstract description 279
- 239000010705 motor oil Substances 0.000 claims abstract description 136
- 239000012535 impurity Substances 0.000 claims description 39
- WSNMPAVSZJSIMT-UHFFFAOYSA-N COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 Chemical compound COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 WSNMPAVSZJSIMT-UHFFFAOYSA-N 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 12
- 238000005461 lubrication Methods 0.000 claims description 5
- 238000003379 elimination reaction Methods 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 14
- 230000001050 lubricating effect Effects 0.000 description 13
- 230000008901 benefit Effects 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 8
- 230000002349 favourable effect Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000010721 machine oil Substances 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000002105 tongue Anatomy 0.000 description 1
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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
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
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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
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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
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a labyrinth type lubricating oil purification system of an engine and the engine, comprising an oil sump formed by matching the bottoms of a left crankcase body and a right crankcase body; the oil pan is provided with an oil inlet and an oil outlet, and a labyrinth type purification structure is arranged between the oil inlet and the oil outlet of the oil pan; the engine oil can be effectively purified under the condition of high load, the engine can be sufficiently and effectively lubricated, the problems of locking of a crank connecting rod, cylinder pulling, valve locking and the like are solved, and the service life of the engine is prolonged.
Description
Technical Field
The invention relates to an engine purification system and an engine, in particular to an engine labyrinth type lubricating oil purification system and an engine.
Background
When the vertical engine in the existing market is applied to a freight tricycle, the engine is in a heavy load state for a long time, such as the load reaches 2 tons, the speed of the tricycle is as low as below 20, the rotating speed of the engine is higher than 8000 and the like, so that the load of the engine is overlarge, parts such as a gear, a clutch, a crank connecting rod, a box body and the like are easily abraded, and the cleanliness of engine oil is poor.
And the engine oil filtration of current engine has only set up centrifugal secondary filter in bent axle department, and all the other oil ducts are the colating, and the oil sump lacks impurity interception structure for engine oil impurity can directly get into the main oil duct, makes to engine oil purifying effect unobvious, and very easily appears the oil duct and blocks up the problem, leads to lubricated badly, makes the crank connecting rod locking of easily appearing, draws jar, the valve card to die the scheduling problem.
Based on the problems, the invention provides a labyrinth type lubricating oil purification system of an engine and the engine. This engine labyrinth lubricating oil clean system and engine, oil pan adopt labyrinth purification structure, do benefit to the engine also can effectively purify engine oil under the high load condition, make the engine can obtain abundant effective lubrication, do benefit to and solve crank connecting rod locking, draw the jar, the valve card is dead scheduling problem, improvement engine life.
Disclosure of Invention
In view of the above, the invention provides a labyrinth type lubricating oil purification system for an engine and the engine, wherein an oil pan adopts a labyrinth type purification structure, so that the engine can effectively purify engine oil even under a high load condition, the engine can be sufficiently and effectively lubricated, the problems of locking of a crank connecting rod, cylinder pulling, valve locking and the like can be solved, and the service life of the engine is prolonged.
The labyrinth type lubricating oil purification system of the engine comprises an oil sump formed by matching the bottoms of a left crankcase body and a right crankcase body; the oil pan is provided with an oil inlet and an oil outlet, and a labyrinth type purification structure is arranged between the oil inlet and the oil outlet of the oil pan; the engine is a vertical engine, the oil pan is correspondingly formed at the bottom of the matching part of the left crankcase body and the right crankcase body, the labyrinth purification structure is positioned between an oil inlet and an oil outlet of the oil pan and below an oil accumulation surface of the oil pan, engine oil (namely lubricating oil, which is not repeated below) accumulated at the oil pan is sunk through the oil inlet of the labyrinth purification structure and subjected to impurity removal through the labyrinth purification structure, the engine oil enters a main oil passage through the oil outlet, namely an oil inlet passage of an engine oil pump, is pumped out through the engine oil pump, one part of the pumped-out engine oil enters an oil passage of a right crankcase cover through the oil outlet passage of the engine oil pump, and then enters an engine oil fine filter (such as a centrifugal fine filter and is positioned at the side of the right crankcase, which belongs to the prior art, and is not repeated herein) for fine filtration to lubricate a connecting rod big end of a connecting rod part of the engine crank connecting rod part, and the, Lubricating the main shaft, the auxiliary shaft and other parts (and one part of the engine oil can independently cool the piston and carry a lubricating piston cylinder); labyrinth purification structure can have ladder oil bath structure, and its setting does benefit to the impurity of interception entering labyrinth purification structure machine oil (if through set up the labyrinth muscle in labyrinth purification structure I, set up the impurity in the oil bath muscle interception machine oil in the labyrinth purification structure II), does benefit to the purification to machine oil, does benefit to the engine and also can effectively purify machine oil under the high load condition, avoids the oil duct jam problem that more impurity directly gets into the oil feed way and causes, and avoids leading to lubricated bad and make crank connecting rod locking, the scuffing of the cylinder, the dead scheduling problem of valve card appear, does benefit to the life-span that improves the engine.
Further, the labyrinth purification structure comprises a labyrinth purification structure I corresponding to the left crankcase body side and a labyrinth purification structure II corresponding to the right crankcase body side; the labyrinth purification structure I is provided with an oil inlet I, a stepped oil pool I and an oil outlet I, and an engine oil filter screen is arranged at the stepped oil pool I; the engine oil accumulated at the oil pan sinks into the step oil pool I through an oil inlet I of the labyrinth purification structure I (namely the oil inlet of the oil pan), and enters the labyrinth purification structure II through the oil outlet I after being filtered by the engine oil filter screen; the rough filtration of the engine oil entering the labyrinth purification structure I is facilitated, and impurities in the engine oil are removed; the engine oil filter screen cover is correspondingly arranged at the arrangement position of the engine oil filter screen, so that the engine oil filter screen cover is favorable for dismounting the engine oil filter screen and removing impurities of filtering, and the engine oil can be effectively purified under the high-load condition.
Furthermore, the labyrinth type purification structure II is provided with an oil inlet II communicated with the oil outlet I, a stepped oil pool II and an oil outlet II; the oil outlet II is communicated with an oil inlet channel of the oil pump; the oil inlet II of the labyrinth purification structure II can also be understood as an oil outlet I of the labyrinth purification structure I, namely, no obvious limit exists between the oil outlet I and the oil inlet II, and after the engine oil enters the stepped oil pool II, the engine oil is subjected to further impurity removal in the stepped oil pool II and then enters the main oil duct through the oil outlet II (namely, the oil outlet of the oil pan), namely, an oil pump oil inlet duct, so that the engine can be further favorably effectively purified under the high-load condition.
Furthermore, an oil pool rib for intercepting engine oil impurities is arranged in the step oil pool II, and a plurality of oil storage cavities are formed; impurities entering the step oil tank II can be favorably intercepted, and the intercepted impurities can be accumulated in the oil storage cavity under the action of gravity, so that the blockage of an oil duct can be favorably avoided, and the impurity removal and purification effect of the engine oil can be favorably ensured; a convex structure which extends towards the side of the oil storage cavity and enables an oil outlet channel at the oil outlet II to contract is arranged at the oil outlet II; the oil pump oil inlet passage is beneficial to further filtering and purifying the engine oil entering the engine oil pump oil inlet passage, and the impurities entering the main oil passage, namely the engine oil pump oil inlet passage, are reduced, so that the impurity removal and purification effects of the lubricating oil are further improved.
Further, an auxiliary oil inlet channel for ensuring effective oil inlet in the stepped oil pool II when the engine is greatly inclined forwards is also arranged at the stepped oil pool II; an oil pool rib for intercepting engine oil impurities is arranged at the auxiliary oil inlet channel to form an auxiliary oil cavity; do benefit to and avoid the engine to lean forward by a wide margin and make the oil that gathers in the oil pan can't be smooth get into labyrinth purification structure I by oil inlet I when, through the setting of supplementary oil feed way, do benefit to the ladder oil bath II that makes the oil that gathers in the oil pan directly get into labyrinth purification structure II through supplementary oil feed way to the edulcoration under the interception effect of oil bath muscle does benefit to the assurance and still can effectually lubricate corresponding part in the engine when the engine leans forward by a wide margin.
Further, the top of the labyrinth purification structure II corresponding to the labyrinth purification structure II is provided with an air elimination hole for avoiding air pumping of the engine oil pump; the lubricating oil pump is favorable for avoiding the problem that the engine oil pump is empty due to the fact that air entering the oil duct cannot be removed in time, and is favorable for guaranteeing the service life of the engine oil pump and the lubricating effect in an engine.
Further, the engine oil filter screen is arranged on the side, close to the oil outlet I, of the stepped oil pool I; the engine oil impurities intercepted by the stepped oil pool I and the engine oil filter screen in the labyrinth purification structure I fall to the bottom of the stepped oil pool I under the action of gravity, so that smoothness of an oil duct is guaranteed, the engine oil filter screen cover arranged at the corresponding position is opened, and the engine oil impurities can be cleared away in time, and the purification effect of engine oil is guaranteed.
Further, after the engine oil entering the oil inlet channel of the engine oil pump is pumped out by the engine oil pump, a part of the engine oil enters the engine oil fine filter through the oil channel of the right crankcase cover and lubricates corresponding parts of the engine after fine filtration, and the other part of the engine oil lubricates corresponding parts in the engine through the oil channel of the right box body; the lubricating device is beneficial to lubricating a connecting rod big end needle roller of an engine crank connecting rod part after the engine oil filtered by the labyrinth purification structure is precisely filtered, and the other part of the pumped engine oil enters a right box oil passage through an oil outlet passage of the engine oil pump to directly lubricate parts such as a cylinder head, a main shaft, a secondary shaft and the like of the engine (one strand of the part of the engine oil can independently cool a piston and lubricate a piston cylinder along the belt); the lubricating oil purification device is beneficial to ensuring the engine oil purification effect of the large-head roller pin of the connecting rod of the crank connecting rod component of the lubricating engine and meeting the requirements of fully lubricating the cylinder head, the main shaft, the auxiliary shaft and other components of the engine and cooling the piston.
Furthermore, a guide plate for guiding engine oil reflowing from corresponding parts in the engine to an oil pan is arranged in the crankcase body; the arrangement of the guide plate is favorable for guiding the engine oil which lubricates parts such as the cylinder head part, the cylinder body part, the piston cylinder body, the crank connecting rod part, the main and auxiliary shaft parts, the speed change mechanism part, the gear shifting arm part and the like to the oil pan through the reflux of the guide plate; the other part of the engine oil which flows back to the oil pan is the engine oil which flows back through the clutch assembly, the foot starting shaft, the engine oil fine filter and the like, so that the engine oil which lubricates corresponding parts in the engine can be filtered through the labyrinth purification structure (comprising the labyrinth purification structure I and the labyrinth purification structure II), and the engine oil pump pumps out the engine oil to realize continuous lubrication of the corresponding parts in the engine, thereby being beneficial to ensuring the purification effect of the engine oil, avoiding the problems of locking of a crank connecting rod, cylinder pulling, blocking of an air valve and the like, and prolonging the service life of the engine.
The invention also provides an engine which is provided with the labyrinth purification system.
The invention has the beneficial effects that: according to the labyrinth type lubricating oil purification system and the engine, engine oil accumulated at the oil pan of the engine sinks into a labyrinth type oil pool with a stepped structure through an oil inlet of a labyrinth type purification structure, after the oil is intercepted and impurity-removed by the labyrinth type stepped oil pool, the engine oil enters a main oil duct, namely an oil inlet duct of an oil pump, is pumped out by the oil pump to be further finely filtered to lubricate corresponding parts of the engine (part of the engine oil directly lubricates corresponding parts of the engine), so that the impurities entering the main oil duct can be effectively intercepted, the purification effect of the engine oil is ensured, the engine oil can be effectively purified under the condition of high load, the problem of oil duct blockage caused by the fact that more impurities directly enter the oil inlet duct of the oil pump is avoided, the problems of poor lubrication, locking of a crank connecting rod, cylinder pulling, clamping of an air valve and the like are avoided.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the structure B-B of FIG. 1.
FIG. 4 is a schematic view of the structure A-A of FIG. 2;
Detailed Description
FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a schematic structural view of the present invention; FIG. 4 is a schematic view of the structure A-A of FIG. 2; FIG. 3 is a schematic view of the structure B-B of FIG. 1; as shown in the figure: the labyrinth type lubricating oil purification system comprises an oil sump formed by matching the bottoms of a left crankcase body 4 and a right crankcase body 15; the oil pan is provided with an oil inlet and an oil outlet, and a labyrinth type purification structure is arranged between the oil inlet and the oil outlet of the oil pan; the engine is a vertical engine, an oil pan is correspondingly formed at the bottom of the matching part of the left crankcase body 4 and the right crankcase body 15, and the labyrinth purification structure is positioned between an oil inlet and an oil outlet of the oil pan and below an oil accumulation surface of the oil pan; the engine oil a (i.e. lubricating oil, which will not be described further below) accumulated at the oil pan sinks through an oil inlet of the labyrinth purification structure and is subjected to impurity removal through the labyrinth purification structure, then enters a main oil gallery, namely an oil pump oil inlet passage f through an oil outlet of the labyrinth purification structure and is pumped out through the oil pump 12, a part of the pumped-out engine oil enters a right crankcase cover oil passage j through an oil pump oil outlet passage y and then enters an engine oil fine filter 17 (such as a centrifugal fine filter and positioned on the side of a right crankcase body 15) for fine filtration to lubricate a connecting rod large-head needle roller of the engine crank connecting rod component 3, and the other part of the pumped-out engine oil enters a right crankcase body oil passage h through the oil pump oil outlet passage y to lubricate components of the engine, such as a cylinder head 1, a main and auxiliary shaft 5 and the like (and one strand of the part of; the labyrinth purification structure can be provided with a stepped oil pool structure, the arrangement of the stepped oil pool structure is favorable for intercepting impurities of engine oil entering the labyrinth purification structure (for example, the labyrinth ribs E are arranged on the labyrinth purification structure I, and the oil pool ribs F are arranged on the labyrinth purification structure II for intercepting impurities in the engine oil), the purification of the engine oil is favorable for effectively purifying the engine oil, the problem of oil duct blockage caused by that more impurities directly enter an oil inlet channel of the engine oil pump is avoided, the problems of poor lubrication, locking of a crank connecting rod, cylinder pulling, valve locking and the like are avoided, and the service life of the engine is prolonged; the present embodiment gives the flow direction of the lubricating oil by means of arrows.
In the present embodiment, the labyrinth purification structure includes a labyrinth purification structure I corresponding to the left crankcase body 4 side and a labyrinth purification structure II corresponding to the right crankcase body 15 side; the labyrinth type purification structure I is provided with an oil inlet Ib (namely the oil inlet of an oil pan), a stepped oil pool Ic and an oil outlet Id, and an engine oil filter screen 18 is arranged at the stepped oil pool Ic; the engine oil accumulated at the oil pan sinks into the step oil pool Ic of the labyrinth purification structure I through the oil inlet of the oil pan (namely the oil inlet Ib of the labyrinth purification structure I), and enters the labyrinth purification structure II through the oil outlet Id after being filtered by the engine oil filter screen 18; the rough filtration of the engine oil entering the labyrinth purification structure I is facilitated, and impurities in the engine oil are removed; the engine oil filter screen cover 8 is correspondingly arranged at the arrangement position of the engine oil filter screen 18, so that the engine oil filter screen 18 is convenient to disassemble and assemble and remove impurities of filtering, and the engine can effectively purify engine oil under the high-load condition.
In this embodiment, the labyrinth purification structure II has an oil inlet II communicated with an oil outlet Id, a stepped oil pool IIe, and an oil outlet IIi; the oil outlet IIi is communicated with an oil inlet channel f of the oil pump; the oil inlet II (not shown in the figure) of the labyrinth type purification structure II can also be understood as the oil outlet Id of the labyrinth type purification structure I, namely, no obvious limit exists between the oil outlet Id and the oil inlet II, and after the engine oil enters the stepped oil pool IIe, the engine oil is subjected to further impurity removal in the stepped oil pool IIe and then enters the main oil gallery, namely the oil pump oil inlet passage f through the oil outlet IIi (namely the oil outlet of the oil pan), so that the engine oil can be effectively purified under the condition of high load.
In this embodiment, an oil pool rib F for intercepting engine oil impurities is provided in the stepped oil pool IIe, and a plurality of oil storage chambers are formed; impurities of the engine oil entering the stepped oil pool IIe can be connected conveniently, and the intercepted impurities can be accumulated in the oil storage cavity under the action of gravity, so that the blockage of an oil duct can be avoided, and the impurity removal and purification effects of the engine oil can be guaranteed; a convex structure 20 which extends towards the oil storage cavity side and enables an oil outlet channel at the oil outlet IIi to contract is arranged at the oil outlet IIi (namely the oil outlet of the oil pan); corresponding to fig. 4, as both sides of the oil outlet IIi (the two sides herein refer to only the two sides corresponding to the corresponding position in the figure) extend toward the oil storage cavity and are provided with tongues, an oil outlet channel with a reduced cross section relative to the oil storage cavity is formed at the oil outlet IIi, which is beneficial to further filtering and impurity removal of the engine oil entering the oil inlet channel of the engine oil pump, and reduces impurities entering the main oil channel, that is, the oil inlet channel of the engine oil pump, thereby further improving the impurity removal and purification effect of the lubricating oil.
In the embodiment, an auxiliary oil inlet channel k for ensuring effective oil inlet in the stepped oil pool IIe when the engine is greatly inclined forwards is further arranged at the stepped oil pool IIe; an oil pool rib G for intercepting engine oil impurities is arranged at the position of the auxiliary oil inlet channel k, and an auxiliary oil cavity m is formed; do benefit to and avoid the engine to lean forward by a wide margin and make the oil that gathers in the oil pan can't be smooth get into labyrinth purification structure I by oil inlet Ib when, through the setting of supplementary oil feed way k, do benefit to the ladder oil bath that makes the oil that gathers in the oil pan directly get into labyrinth purification structure II through supplementary oil feed way k to the edulcoration under the interception effect of oil bath muscle G does benefit to the assurance and still can effectually lubricate corresponding part in the engine when the engine leans forward by a wide margin.
In this embodiment, the top of the labyrinth purification structure II (corresponding to the top of the oil storage chamber) is provided with an air vent n for preventing the oil pump from pumping air; the problem that the oil pump 12 is empty due to the fact that air entering the oil duct cannot be discharged in time is avoided, the service life of the oil pump 12 is guaranteed, and the lubricating effect in an engine is guaranteed.
In this embodiment, the engine oil filter 18 is disposed on the side of the stepped oil pool Ic close to the oil outlet Id; the engine oil impurities intercepted by the stepped oil pool Ic and the engine oil filter screen 18 in the labyrinth purification structure I fall to the bottom of the stepped oil pool Ic under the action of gravity, so that smoothness of an oil duct is guaranteed, and timely removal of the engine oil impurities can be achieved by opening the engine oil filter screen cover 8 arranged at the corresponding position, and the purification effect of the engine oil is guaranteed.
In this embodiment, after the engine oil entering the oil inlet passage f of the engine oil pump is pumped out by the engine oil pump 12, a part of the engine oil enters the engine oil fine filter 17 through the oil passage j of the right crankcase cover and lubricates corresponding parts of the engine after fine filtration, and the other part of the engine oil lubricates corresponding parts in the engine through the oil passage h of the right case; the lubricating device is beneficial to lubricating a connecting rod big-head roller pin of an engine crank connecting rod part 3 after the engine oil filtered by the labyrinth purification structure is finely filtered, and the other part of the pumped engine oil enters a right box body oil passage h through an engine oil pump oil outlet passage y to directly lubricate parts of a cylinder head 1, a main shaft 5 and the like of the engine (one part of the engine oil can independently cool a piston and sequentially lubricate a piston cylinder body); the lubricating oil purification device is beneficial to ensuring the engine oil purification effect of the large-end roller pin of the connecting rod of the crank connecting rod component 3 of the lubricating engine and meeting the requirements of fully lubricating the cylinder head 1, the main and auxiliary shafts 5 and other components of the engine and cooling the piston.
In the embodiment, a guide plate D for guiding engine oil reflowing from corresponding parts in an engine to an oil pan is arranged in a crankcase body (formed by matching a left crankcase body and a right crankcase body); the baffle plate D is arranged to facilitate the engine oil which lubricates the parts such as the cylinder head part 1, the cylinder body part 2, the piston cylinder (not shown in the figure), the crank connecting rod part 4, the main and auxiliary shaft parts 5, the speed change mechanism assembly 6, the gear shift arm part 7 and the like to flow back to the oil pan through the baffle plate D; the other part of the engine oil a flowing back to the oil pan is the engine oil flowing back through the clutch assembly 14, the foot starting shaft 16, the engine oil fine filter 17 and the like, so that the engine oil lubricating the corresponding parts in the engine can be filtered through the labyrinth purification structure (comprising the labyrinth purification structure I and the labyrinth purification structure II), and then the engine oil pump 12 pumps the engine oil to continuously lubricate the corresponding parts in the engine, so that the purification effect of the engine oil is ensured, the problems of locking of a crank connecting rod, cylinder pulling, valve blocking and the like are avoided, and the service life of the engine is prolonged.
The present embodiment also provides an engine having the labyrinth purification system as described above.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (10)
1. The labyrinth type lubricating oil purification system of the engine is characterized in that: the oil sump is formed by matching the bottoms of the left crankcase body and the right crankcase body; the oil pan is provided with an oil inlet and an oil outlet, and a labyrinth type purification structure is arranged between the oil inlet and the oil outlet of the oil pan.
2. The labyrinth engine oil purification system as recited in claim 1, wherein: the labyrinth type purification structure comprises a labyrinth type purification structure I corresponding to the side of the left crankcase body and a labyrinth type purification structure II corresponding to the side of the right crankcase body; the labyrinth purification structure I is provided with an oil inlet I, a stepped oil pool I and an oil outlet I, and an engine oil filter screen is arranged at the stepped oil pool I.
3. The labyrinth engine lubricating oil purification system as claimed in claim 2, wherein: the labyrinth purification structure II is provided with an oil inlet II communicated with the oil outlet I, a stepped oil pool II and an oil outlet II; the oil outlet II is communicated with an oil inlet channel of the oil pump.
4. The labyrinth engine lubricating oil purification system of claim 3, wherein: an oil pool rib for intercepting engine oil impurities is arranged in the stepped oil pool II, and a plurality of oil storage cavities are formed; and the oil outlet II is provided with a convex structure which extends towards the side of the oil storage cavity and enables an oil outlet channel at the oil outlet II to contract.
5. The labyrinth engine lubricating oil purification system of claim 3, wherein: an auxiliary oil inlet channel for ensuring effective oil inlet in the stepped oil pool II when the engine is greatly inclined forwards is further arranged at the stepped oil pool II; and an oil pool rib for intercepting engine oil impurities is arranged at the auxiliary oil inlet channel and forms an auxiliary oil cavity.
6. The labyrinth engine lubricating oil purification system of claim 3, wherein: and the top of the corresponding part of the labyrinth type purification structure II is provided with an air-elimination hole for avoiding the air suction of the engine oil pump.
7. The labyrinth engine lubricating oil purification system as claimed in claim 2, wherein: the engine oil filter screen is arranged on the side, close to the oil outlet I, of the stepped oil pool I.
8. The labyrinth engine oil purification system as recited in claim 1, wherein: after the engine oil entering the oil inlet channel of the engine oil pump is pumped out by the engine oil pump, one part of the engine oil enters the engine oil fine filter through the oil channel of the right crankcase cover and lubricates corresponding parts of the engine after fine filtration, and the other part of the engine oil lubricates corresponding parts in the engine through the oil channel of the right box body.
9. The labyrinth engine oil purification system as recited in claim 1, wherein: and a guide plate for guiding engine oil reflowing from corresponding parts in the engine to an oil pan is arranged in the crankcase body.
10. An engine, characterized in that: the engine has a labyrinth lubrication oil purification system as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010383482.9A CN111535898A (en) | 2020-05-08 | 2020-05-08 | Labyrinth type lubricating oil purification system of engine and engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010383482.9A CN111535898A (en) | 2020-05-08 | 2020-05-08 | Labyrinth type lubricating oil purification system of engine and engine |
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| CN111535898A true CN111535898A (en) | 2020-08-14 |
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|---|---|---|---|
| CN202010383482.9A Pending CN111535898A (en) | 2020-05-08 | 2020-05-08 | Labyrinth type lubricating oil purification system of engine and engine |
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| CN (1) | CN111535898A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607485A (en) * | 2022-03-14 | 2022-06-10 | 重庆隆鑫新能源科技有限公司 | Engine oil filtering system for off-road vehicle and off-road vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020007984A1 (en) * | 2000-05-31 | 2002-01-24 | Katsuhiko Ito | Lubricating system of internal combustion engine |
| US20100012074A1 (en) * | 2008-07-17 | 2010-01-21 | Asaya Norikazu | Lubricant structure of engine |
| US20150090216A1 (en) * | 2013-09-30 | 2015-04-02 | Honda Motor Co., Ltd. | Internal combustion engine |
| CN109973172A (en) * | 2019-05-07 | 2019-07-05 | 哈尔滨工程大学 | Marine low-speed machine wave resistance removes impurity oil sump |
| CN111075532A (en) * | 2019-12-31 | 2020-04-28 | 潍柴动力股份有限公司 | Integrated machine oil strainer formula drain pan structure and engine oil storage mechanism |
-
2020
- 2020-05-08 CN CN202010383482.9A patent/CN111535898A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020007984A1 (en) * | 2000-05-31 | 2002-01-24 | Katsuhiko Ito | Lubricating system of internal combustion engine |
| US20100012074A1 (en) * | 2008-07-17 | 2010-01-21 | Asaya Norikazu | Lubricant structure of engine |
| US20150090216A1 (en) * | 2013-09-30 | 2015-04-02 | Honda Motor Co., Ltd. | Internal combustion engine |
| CN109973172A (en) * | 2019-05-07 | 2019-07-05 | 哈尔滨工程大学 | Marine low-speed machine wave resistance removes impurity oil sump |
| CN111075532A (en) * | 2019-12-31 | 2020-04-28 | 潍柴动力股份有限公司 | Integrated machine oil strainer formula drain pan structure and engine oil storage mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607485A (en) * | 2022-03-14 | 2022-06-10 | 重庆隆鑫新能源科技有限公司 | Engine oil filtering system for off-road vehicle and off-road vehicle |
| CN114607485B (en) * | 2022-03-14 | 2023-08-18 | 重庆隆鑫新能源科技有限公司 | Oil filtering system for off-road vehicle and off-road vehicle |
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Application publication date: 20200814 |
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