CN109139179A - A kind of mount variable oil oil sump - Google Patents
A kind of mount variable oil oil sump Download PDFInfo
- Publication number
- CN109139179A CN109139179A CN201810898177.6A CN201810898177A CN109139179A CN 109139179 A CN109139179 A CN 109139179A CN 201810898177 A CN201810898177 A CN 201810898177A CN 109139179 A CN109139179 A CN 109139179A
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- China
- Prior art keywords
- oil
- interior
- discharge outlet
- oil sump
- chamber
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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
- F01M11/0004—Oilsumps
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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
- F01M11/04—Filling or draining lubricant of or from machines or engines
- F01M11/0408—Sump drainage devices, e.g. valves, plugs
-
- 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
- F01M11/04—Filling or draining lubricant of or from machines or engines
- F01M11/0458—Lubricant filling and draining
-
- 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
- F01M2011/0037—Oilsumps with different oil compartments
-
- 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
- F01M2011/0037—Oilsumps with different oil compartments
- F01M2011/0045—Oilsumps with different oil compartments for controlling the oil temperature
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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
- F01M11/04—Filling or draining lubricant of or from machines or engines
- F01M11/0408—Sump drainage devices, e.g. valves, plugs
- F01M2011/0416—Plugs
-
- 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
- F01M11/04—Filling or draining lubricant of or from machines or engines
- F01M2011/0483—Filling or draining lubricant of or from machines or engines with a lubricant cartridge for facilitating the change
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of mount variable oil oil sumps, it is characterized by: the outer oil sump is equipped with installing component in its opening and interior oil sump opening is tightly connected, the overfall that multiple height are identical, are connected to second chamber is circumferentially equipped at intervals on the side wall of the first chamber, the overfall is located above temperature-conserving valve and height is less than the maximum oiling height of second chamber；The interior oil sump bottom is being equipped with interior oil discharge outlet with outer oil discharge outlet corresponding position, be equipped at the interior oil discharge outlet by with the linkage of outer fuel drain plug by interior oil discharge outlet synchronize the interior fuel drain plug that opens or closes.Interior fuel drain plug linkage synchronization opens or closes interior oil discharge outlet when fuel drain plug movement outside the present invention, inside and outside oil sump oiling is drained the oil while being carried out, oiling speed of draining the oil is fast, without the indirect response of various valves, accurately quickly completes the connection of inside and outside oil sump when oiling is drained the oil.
Description
Technical field
The present invention relates to technical field of automobile engine, in particular to a kind of mount variable oil oil sump.
Background technique
When automobile low-temperature cool starting, engine economy is poor, and travels a period of time, is increased to oil temperature
After 60 DEG C or so, fuel consumption can take a turn for the better, this is primarily due to the viscosity of low temperature effect machine oil, so that rubbing between movement parts
It wipes resistance to increase, to produce the consume of energy.
The prior art such as publication number CN 101415914A and CN 103573327A are all made of and are arranged in external oil sump
Internal oil sump and the oil sump of dual structure constituted, when automobile low-temperature cool starting, in internal oil sump supply engine
The position for needing to lubricate returns again to internal oil sump, achievees the effect that similar rapid warming-up；When oil temperature is increased to certain value
When, communicating valve (usually temperature-conserving valve) connection between the oil sump of inside and outside, whole machine oil participate in circulation again in oil sump, protect
Demonstrate,prove the durable reliability of engine.
But the above-mentioned equal existing defects of two patents:
Outer oil sump bottom bolts plug, oil extraction initial stage float-controlled valve, communicating valve are first opened when draining the oil in CN 101415914A
It is turned off, there was only the oil discharge of outer oil sump at this time, when the certain liquid level difference of inside and outside appearance, delivery valve, which is just opened, makes interior oil sump
Oil be discharged into outer oil sump, when the liquid level of interior oil sump drops to certain altitude, float-controlled valve is opened, further by interior oily bottom
The oil of shell is discharged into outer oil sump, and oil extraction later period delivery valve is closed.Lubricating oil is injected by interior oil sump when oiling, at this time float
Valve is opened, and the oil for injecting interior oil sump flows into outer oil sump simultaneously, when interior oil sump liquid level rises to certain altitude, float-controlled valve
It closes, liquid level continues to rise to delivery valve unlatching, and the oil for injecting interior oil sump at this time again flows into outer oil sump, until fuel feeding
Valve is closed.Therefore CN 101415914A either oiling is still drained the oil, and is both needed to drive delivery valve, float-controlled valve indirectly by liquid level
Opening and closing make inside and outside connection, this results in inside and outside oil sump oiling to drain the oil can not always carry out simultaneously, and oiling speed of draining the oil is slower,
And components are too many, it is difficult to rapidly and accurately complete the connection of inside and outside oil sump when oiling is drained the oil.
And when engine just starts in CN 101415914A, oil pump aspirates machine oil from interior oil sump, lubricates rear portion
The machine oil of return is directly entered interior oil sump, and another part enters the return oil locker room of interior oil sump opening；Warming-up operation
Period, communicating valve (thermo-response), oily return control valve (thermo-response), float-controlled valve, delivery valve are closed, to limit only by interior
Oil sump inner engine oil supply engine lubrication；During normal starting, communicating valve, oily return control valve are opened, and are returned to oil before and are deposited
Storage chamber inner engine oil enters in outer oil sump, inside and outside oil sump machine oil connection, the float-controlled valve when oil level reduces suddenly in interior oil sump
It opens.Therefore the connection of machine oil and the separation of machine oil after engine start are still logical when CN 101415914A engine is shut down
The opening and closing of multiple valves is crossed to realize, be both needed to drive by temperature the opening and closing of communicating valve, oily return control valve make inside and outside connection or
Isolation, structure is complicated, and components are more, it is difficult to rapidly and accurately complete the connection of inside and outside oil sump machine oil in engine operation process
And separation.
There are communication paths between inside and outside oil sump in CN 103573327A, therefore are whenever all connections, this is advantageous
It drains the oil in synchronous oiling, but in warming-up operation since a part transfers heat to outer oil sump, will lead to oil liter in interior oil sump
Warm rate is slack-off.
When isolation, oiling are drained the oil completely between inside and outside oil sump when therefore, it is necessary to develop a kind of simple structure, warming-up operation
The mount variable oil oil sump being connected to rapidly.
Summary of the invention
The purpose of the present invention is to solve the deficiency of the above background technology, when providing a kind of simple structure, warming-up operation
The mount variable oil oil sump being connected to rapidly when isolation, oiling are drained the oil completely between inside and outside oil sump.
The technical solution of the present invention is as follows: a kind of mount variable oil oil sump, including interior oil sump and outer oil sump, the interior oil
There is in bottom case first chamber, form second chamber between the interior oil sump and outer oil sump, the first chamber be equipped with
The temperature-conserving valve of second chamber connection, the outer oil sump bottom are equipped with outer oil discharge outlet, and the outer oil discharge outlet is equipped with outer fuel drain plug,
It is characterized by: the outer oil sump is equipped with installing component in its opening and the sealing of interior oil sump opening connects
It connects, the overfall that multiple height are identical, are connected to second chamber is circumferentially equipped at intervals on the side wall of the first chamber, it is described to overflow
Outlet is located above temperature-conserving valve and height is less than the maximum oiling height of second chamber；
The interior oil sump bottom is equipped with interior oil discharge outlet, be equipped at the interior oil discharge outlet by with the linkage of outer fuel drain plug will in
Oil discharge outlet synchronizes the interior fuel drain plug opened or closed.
In this programme under normal circumstances, interior oil discharge outlet, outer oil discharge outlet are in closed state, only in maintenance, lead to
The outer fuel drain plug of disassembly is crossed, interior oil discharge outlet is opened in interior fuel drain plug linkage synchronization, realizes that inside and outside synchronizing for oil sump is drained the oil；Drain the oil guarantor
After the completion of supporting, by tightening outer fuel drain plug, interior oil discharge outlet is closed in interior fuel drain plug linkage synchronization.
In this programme after the completion of machine oil filling, first chamber machine oil liquid level and second chamber machine oil liquid level pass through interior oil sump
It is flushed at overfall, at this time height at maximum oiling height >=machine oil liquid level >=overfall.Engine on startup, lubricates
The high-pressure oil duct of system, drainback passage need to be full of the machine oil of certain volume, the machine oil volume consumed at this time be greater than first chamber and
Common volume of the second chamber between filling engine oil liquid level and overfall, interior oil sump first chamber machine oil liquid level can decline
To overfall hereinafter, at this moment first chamber machine oil is separated with the realization of second chamber machine oil, first chamber independent oil supply.Engine exists
In operation process, circulation machine oil is all back in interior oil sump, and after when inner cavity, machine oil is warming up to setting value, temperature-conserving valve is opened,
Interior exocoel machine oil realizes exchange, and whole machine oil participate in circulation.After engine is shut down, in lubrication system oil gallery and low pressure drainback passage
Machine oil can slowly be back in interior oil sump, interior oil sump machine oil liquid level gos up, and is more than to overflow open height, interior exocoel machine oil liquid
Face flushes again.Machine oil when this programme realizes that first chamber and second chamber are in oiling, engine shutdown by overfall
The separation of machine oil after connection and engine start, structure is simple, and connection, separating rate are fast, high-efficient.
Preferably, the interior fuel drain plug includes bottom cover corresponding with interior oil discharge outlet and is set between bottom cover and interior oil discharge outlet
Make the spring that bottom cover is axially movable, the bottom cover be equipped under initial state with the cooperation of interior oil discharge outlet by spring be limited to compression or from
The axial limit anti-drop device of right state, bottom cover, which is located at below interior oil discharge outlet, when initial state opens interior oil discharge outlet, when outer oil extraction
Outer fuel drain plug top compressing bottom cover moves up synchronization and closes interior oil discharge outlet when mouth is closed.This programme makes bottom cover exist by spring force
Open interior oil discharge outlet under initial state, the movement of outer fuel drain plug moves up spring-compressed, bottom cover to close interior oil discharge outlet, quickly complete
The linkage of interior fuel drain plug, interior fuel drain plug.
Further, the interior oil sump is equipped with installation cavity at interior oil discharge outlet and installation cavity lower end extends outwardly
The mounting flange that the seal face of formation, installation cavity upper end extend to form inwardly, the spring be located in installation cavity body and on
Lower end passes through mounting flange, bottom cover limit respectively, and the bottom cover cooperates when interior oil discharge outlet is closed with seal face sealing.We
Cavity is installed in case and is circumferentially limited for spring, end face of the mounting flange for spring limits, and removes spring and bottom cover junction
Remaining outer direction of movement can be compressed axially firmly to limit.
Further, the interior fuel drain plug further includes the sealing ring being fixed on bottom cover with seal face cooperation.Sealing
Circle is conducive to the seal face sealing cooperation of bottom cover, avoids revealing.
Further, the limit anti-drop device includes the circumferentially spaced multiple axial columns in bottom cover upper surface,
Spring pocket is set on column, and the column passes through installation cavity and the claw of upper end setting outwardly, the claw and peace under initial state
Fill flange clamping.Circumferential gap between the multiple columns of this programme is advantageously formed and is passed through between initial state lower bottom cover and interior oil discharge outlet for machine oil
The path crossed, makes machine oil flow to second chamber from first chamber in time.
Further, the first chamber is connected to being higher than to be equipped at second chamber maximum oiling height with second chamber
Air inlet.This programme air inlet may insure that two cavity indoor pressures are equal, guarantee that machine oil can smooth flow in two chambers.
Further, the overfall includes that the boss of first chamber concave side wall formation and boss top surface open up
Horizontal opening.This programme overfall has horizontal opening, has both made it that can carry out two chamber machine oil immediately in a certain liquid level
Connection and isolation, while can make horizontal opening that there is larger caliber, machine oil flows between two chambers rapidly.
Preferably, the installing component includes that horizontal First terrace and first step extend to form inwardly downwards
Horizontal second step face, the First terrace is bolted with cylinder base, the interior oil sump opening setting method
Blue face is bolted with second step face.
Further, outer fuel drain plug includes purge cock and external seal washer, the purge cock and outer oil discharge outlet axial
It is threadedly coupled and external seal washer is located at purge cock and outer oil discharge outlet end face junction.
Further, the purge cock is equipped with the threaded portion of outer oil discharge outlet cooperation, and the top surface of threaded portion can be with interior row
The bottom cover bottom surface of plug cock contacts.
Further, being equipped with bottom cover between bottom cover bottom surface and outer oil sump bottom surface can open gap.
The invention has the benefit that
1. interior fuel drain plug linkage synchronization opens or closes interior oil discharge outlet when the movement of outer fuel drain plug.Synchronous open makes inside and outside oil
Bottom case is drained the oil while being carried out, and speed of draining the oil is fast, without the indirect response of various valves, inside and outside oil when rapidly and accurately completing to drain the oil
The connection of bottom case；Close synchronously makes the isolation that first chamber, second chamber are quickly completed between inside and outside oil sump.
2. by overfall realize first chamber with second chamber in oiling, engine shut down when machine oil be connected to and
The separation of machine oil after engine start is not necessarily to any valve event, and structure is simple, and connection, separating rate are fast, high-efficient.
3. when engine warm-up, first chamber and second chamber are in completely isolated state, only first chamber machine oil is participated in
For circulation to be brought rapidly up, engine is rapidly achieved normal operating condition, reduces energy loss.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention
Fig. 2 is Fig. 1 partial enlargement diagram
Fig. 3 is interior oil pan structure schematic diagram
Fig. 4 is working principle diagram of the present invention under warm-up mode
Wherein: the outer oil discharge outlet 7- outlet of the outer oil sump 3- first chamber 4- second chamber 5- temperature-conserving valve 6- of oil sump 2- in 1-
Fuel drain plug 12- bottom cover 13- spring 14- sealing ring 15- air inlet in oil discharge outlet 11- in plug cock 8- installing component 9- overfall 10-
The threaded portion 7.1- purge cock 7.2- external seal washer 7.3- 7.4- frustum of a cone 8.1- First terrace 8.2- second step face
9.1- boss 9.2- horizontal opening 10.1- installs cavity 10.2- seal face 10.3- mounting flange 31- inlet port 32- machine oil and receives
Storage 33- mounting flange.
Specific embodiment
The present invention is described in further detail for specific embodiment below.
As shown in Figure 1, a kind of mount variable oil oil sump provided by the invention, including interior oil sump 1 and outer oil sump 2, it is interior
There is in oil sump 1 first chamber 3, form second chamber 4 between interior oil sump 1 and outer oil sump 2, first chamber 3 be equipped with
The temperature-conserving valve 5 that second chamber 4 is connected to, outer 2 bottom of oil sump are equipped with outer oil discharge outlet 6, and outer oil discharge outlet 6 is equipped with outer fuel drain plug 7, outside
Oil sump 2 is equipped with installing component 8 in its opening and interior 1 opening of oil sump is tightly connected, and second chamber 4 is outer oil sump 2
It is connected to, is circumferentially equipped at intervals on the side wall of first chamber 3 multiple high with the circumferential gap of interior oil sump 1 and bottom gap
Overfall 9 that is identical, being connected to second chamber 4 is spent, overfall 9 is located at 5 top of temperature-conserving valve and height is less than second chamber 4 most
Big oiling height (first chamber 3, second chamber 4 have common maximum oiling height in the present embodiment)；Interior 1 bottom of oil sump
It is being equipped with interior oil discharge outlet 10 with outer 6 corresponding position of oil discharge outlet, is being equipped at interior oil discharge outlet 10 by linking with outer fuel drain plug 7 by interior oil extraction
Mouth 10 synchronizes the interior fuel drain plug 11 opened or closed.Oil trap 32,32 front end of oil trap are additionally provided in first chamber 3
Equipped with the inlet port 31 for closing on bottom, 32 rear end of oil trap is equipped with mounting flange 33 and connect with lubricating oil pump, when oil circulation
It is sucked from inlet port 31, reaches lubricating oil pump by 32 internal screen of oil trap.
As shown in Fig. 2, interior fuel drain plug 11 include bottom cover 12 corresponding with interior oil discharge outlet 10 and be set to bottom cover 12 with it is interior
The spring 13 for being axially movable bottom cover 12 between oil discharge outlet 10, bottom cover 12, which is equipped under initial state, to be cooperated with interior oil discharge outlet 10 by spring
13 are limited to the axial limit anti-drop device of compression or nature, when initial state bottom cover 12 be located at below interior oil discharge outlet 10 make it is interior
Oil discharge outlet 10 is opened, when outer oil discharge outlet 6 is closed outside 7 top of fuel drain plug compressing bottom cover 12 move up and synchronous close interior oil discharge outlet 10
It closes.Interior oil sump 1 is equipped with installation cavity 10.1 at interior oil discharge outlet 10 and installs cavity 10.1 lower end and extends outwardly to be formed
The mounting flange 10.3 that seal face 10.2, installation 10.1 upper end of cavity extend to form inwardly, bottom cover 12 and seal face 10.2
Corresponding, spring 13 is located in installation cavity 10.1 and upper and lower side passes through mounting flange 10.3 respectively, bottom cover 12 limits, and bottom cover 12 exists
Cooperate when interior oil discharge outlet 10 is closed with the sealing of seal face 10.2.Interior fuel drain plug 11 further includes being fixed on bottom cover 12 and sealed end
The sealing ring 14 that face 10.2 cooperates.Limit anti-drop device includes the circumferentially spaced multiple axial columns in 12 upper surface of bottom cover
12.1 (the present embodiment be 4), the gap between adjacent columns 12.1 is big as far as possible, and spring 13 is sheathed on column 12.1, column
12.1 pass through installation cavity 10.1 and the claw 12.2 of upper end setting outwardly, initial state lower claw 12.2 and the card of mounting flange 10.3
It connects.12.1 axial length of column (not including and 12.2 coupling part of claw) is greater than installation cavity 10.1, mounting flange 10.3
The sum of axial length, such setting are to make bottom cover 12 have axial activity space along interior oil discharge outlet 10.12 bottom surface of bottom cover
Be equipped between outer 2 bottom surface of oil sump bottom cover 12 can open gap, such setting is to have below bottom cover in sufficient space supplies
Oil discharge outlet 10 is opened.
As shown in figure 3, first chamber 3 is being higher than second chamber maximum oiling height (with first chamber maximum oiling height)
Place is equipped with the air inlet 15 being connected to second chamber 4.First chamber 3, the opening height of second chamber 4 are higher than air inlet 15.
Overfall 9 includes the boss 9.1 that first chamber concave side wall is formed and the horizontal opening 9.2 that 9.1 top surface of boss opens up.
Installing component 8 includes the level that horizontal First terrace 8.1 and first step extend to form inwardly downwards
Second step face 8.2, First terrace 8.1 connect with engine cylinder body bottom bolts, and flange is arranged in interior 1 opening of oil sump
Face is bolted with second step face 8.2.
Outer fuel drain plug 7 includes purge cock 7.1 and external seal washer 7.2, purge cock 7.1 and outer 6 axial screw of oil discharge outlet
Line connects and external seal washer 7.2 is located at purge cock 7.1 and outer 6 end face junction of oil discharge outlet.Purge cock 7.1 is equipped with outer
The threaded portion 7.3 that oil discharge outlet 6 cooperates, 7.3 front end of threaded portion, which is shunk, to be formed top surface and contacts with 12 bottom surface of bottom cover of interior fuel drain plug 11
The frustum of a cone 7.4.
Working principle of the present invention is as follows:
When draining the oil, purge cock 7.1 is screwed downwards, since interior oil discharge outlet 10 is the circular cone by 7.1 front end of purge cock
Compressing bottom cover 12 makes its closing to platform 7.4 upwards, and spring 13 is in compressive state, claw 12.2 is located at mounting flange when closing
10.3 tops are contactless, therefore when the process spring 13 that purge cock 7.1 moves down is gradually recovered deformation, bottom cover 12 moves down simultaneously,
Interior oil discharge outlet 10 is gradually opened, and is limited until claw 12.2 and mounting flange 10.3 restore initial state cooperation, during this machine oil from
First chamber 3 enters second chamber 4 through the axial gap between column 12.1 and flows out from outer oil discharge outlet 6, complete in oil discharge outlet 10, outer
The synchronous of oil discharge outlet 6 is opened.
When oiling, purge cock 7.1 is screwed upwards, and interior fuel drain plug 11 is initial state, claw 12.2 and mounting flange at this time
10.3 cooperation limits, the frustum of a cone 7.4 of front end can oppress the movement of bottom cover 12, this process upwards during purge cock 7.1 moves up
Middle bottom cover 12, which moves up, is gradually increased 13 decrement of spring, and the frustum of a cone 7.4 is proper when purge cock 7.1 will be closed with outer oil discharge outlet 6
Close bottom cover 12 by interior oil discharge outlet 10.Machine oil is added in first chamber 3 from interior 1 opening of oil sump, machine oil is from spilling
Mouth 9 flows into second chambers 4, keeps the machine oil liquid level H1 of first chamber 3, second chamber 4 concordant in 9 or more overfall, at this time
Height at maximum oiling height >=machine oil liquid level >=overfall.
Engine on startup, due to that can be full of machine oil in the high-pressure oil duct of lubricating system, while also can in drainback passage
A certain amount of machine oil is accumulated, the machine oil volume of start-up course consumption is greater than first chamber 3 and second chamber 4 in filling engine oil liquid level
Height 9 height of overfall between common volume, therefore the machine oil liquid level H3 of first chamber 3 can drop to overfall 9 with
Under, the machine oil liquid level H2 of second chamber 4, which can be synchronized, to be dropped at overfall 9, therefore, in first chamber 3 and second chamber 4
Machine oil realizes separation.
When engine warm-up, 3 independent oil supply of first chamber at interior oilcan bottom.
As shown in figure 4, circulation machine oil is all open closed to first chamber 3 from interior oil sump 1 when engine operates normally
In, after first chamber 3 is warming up to setting value, temperature-conserving valve 5 is opened, and first chamber 3 is exchanged with the realization of 4 machine oil of second chamber, all
Participate in circulation.
After engine is shut down, oil temperature decline, temperature-conserving valve 5 is closed, in lubrication system oil gallery and low pressure drainback passage
Machine oil can be slowly open closed into first chamber 3 from interior oil sump 1, and 3 machine oil liquid level of first chamber gos up, and is more than overfall 9
Highly, first chamber 3, the machine oil liquid level of second chamber 4 are again concordant in 9 or more overfall.
Claims (11)
- Have the 1. a kind of mount variable oil oil sump, including interior oil sump (1) and outer oil sump (2), in the interior oil sump (1) One chamber (3), forms second chamber (4) between the interior oil sump (1) and outer oil sump (2), and the first chamber (3) is equipped with The temperature-conserving valve (5) being connected to second chamber (4), outer oil sump (2) bottom are equipped with outer oil discharge outlet (6), the outer oil discharge outlet (6) outer fuel drain plug (7) are equipped with,It is characterized by: the outer oil sump (2) is equipped with installing component (8) in its opening and interior oil sump (1) opening is close Envelope connection, is circumferentially equipped at intervals with that multiple height are identical, it is excessive to be connected to second chamber (4) on the side wall of the first chamber (3) It exports (9), the overfall (9) is located above temperature-conserving valve (5) and height is less than the maximum oiling height of second chamber (4)；Interior oil sump (1) bottom is equipped with interior oil discharge outlet (10), be equipped at the interior oil discharge outlet (10) by with outer fuel drain plug (7) interior oil discharge outlet (10) is synchronized the interior fuel drain plug (11) opened or closed by linkage.
- 2. a kind of mount variable oil oil sump as described in claim 1, which is characterized in that the interior fuel drain plug (11) include with it is interior The corresponding bottom cover (12) of oil discharge outlet (10) and being set between bottom cover (12) and interior oil discharge outlet (10) transport bottom cover (12) can axially Dynamic spring (13), the bottom cover (12) be equipped with initial state under with interior oil discharge outlet (10) cooperation by spring (13) be limited to compression or The axial limit anti-drop device of nature, bottom cover (12), which is located at interior oil discharge outlet (10) lower section, when initial state makes interior oil discharge outlet (10) It opens, when outer oil discharge outlet (6) are closed, outer fuel drain plug (7) top compressing bottom cover (12) moves up to synchronize and closes interior oil discharge outlet (10) It closes.
- 3. a kind of mount variable oil oil sump as claimed in claim 2, which is characterized in that the interior oil sump (1) is in interior oil extraction Be equipped with installation cavity (10.1) at mouthful (10) and installation cavity (10.1) lower end extend outwardly the seal face to be formed (10.2), The mounting flange (10.3) that installation cavity (10.1) upper end extends to form inwardly, the spring (13) are located at installation cavity (10.1) Interior and upper and lower side passes through mounting flange (10.3), bottom cover (12) limit respectively, and the bottom cover (12) is closed in interior oil discharge outlet (10) When with seal face (10.2) sealing cooperate.
- 4. a kind of mount variable oil oil sump as claimed in claim 3, which is characterized in that the interior fuel drain plug (11) further includes solid It is connected in the sealing ring (14) on bottom cover (12) with seal face (10.2) cooperation.
- 5. a kind of mount variable oil oil sump as claimed in claim 3, which is characterized in that the limit anti-drop device includes bottom cover (12) the circumferentially spaced multiple axial columns (12.1) in upper surface, spring (13) is sheathed on column (12.1), described vertical Column (12.1) passes through installation cavity (10.1) and the claw (12.2) of upper end setting outwardly, the claw (12.2) and peace under initial state Fill flange (10.3) clamping.
- 6. a kind of mount variable oil oil sump as described in claim 1, which is characterized in that the first chamber (3) is being higher than the The air inlet (15) being connected to second chamber (4) is equipped at two chambers (4) maximum oiling height.
- 7. a kind of mount variable oil oil sump as described in claim 1, which is characterized in that the overfall (9) includes the first chamber The horizontal opening (9.2) that the boss (9.1) and boss (9.1) top surface that room concave side wall is formed open up.
- 8. a kind of mount variable oil oil sump as described in claim 1, which is characterized in that the installing component (8) includes level First terrace (8.1) and First terrace (8.1) downwardly toward the interior horizontal second step face (8.2) extended to form, The First terrace (8.1) connect with engine cylinder body bottom bolts, interior oil sump (1) the opening setting flange face with Second step face (8.2) is bolted.
- 9. a kind of mount variable oil oil sump as claimed in claim 2, which is characterized in that outer fuel drain plug (7) includes purge cock (7.1) and external seal washer (7.2), the purge cock (7.1) connect with outer oil discharge outlet (6) axial thread and external seal washer (7.2) it is located at purge cock (7.1) and outer oil discharge outlet (6) end face junction.
- 10. a kind of mount variable oil oil sump as claimed in claim 9, which is characterized in that the purge cock (7.1) is equipped with The threaded portion (7.3) of outer oil discharge outlet (6) cooperation, the top surface of threaded portion (7.3) can be with bottom cover (12) bottom surface of interior fuel drain plug (11) Contact.
- 11. a kind of mount variable oil oil sump as claimed in claim 10, which is characterized in that bottom cover (12) bottom surface and outer oil Being equipped with bottom cover (12) between bottom case (2) bottom surface can open gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810898177.6A CN109139179A (en) | 2018-08-08 | 2018-08-08 | A kind of mount variable oil oil sump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810898177.6A CN109139179A (en) | 2018-08-08 | 2018-08-08 | A kind of mount variable oil oil sump |
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| CN109139179A true CN109139179A (en) | 2019-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810898177.6A Pending CN109139179A (en) | 2018-08-08 | 2018-08-08 | A kind of mount variable oil oil sump |
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| CN (1) | CN109139179A (en) |
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| CN109973171A (en) * | 2019-03-28 | 2019-07-05 | 东风汽车集团有限公司 | A kind of interior oil sump with bimetal leaf structure of controlling temperature |
| CN110273728A (en) * | 2019-06-17 | 2019-09-24 | 上汽通用汽车有限公司 | A kind of internal combustion engine |
| CN112049706A (en) * | 2020-08-21 | 2020-12-08 | 东风汽车集团有限公司 | Oil pan and vehicle |
| WO2021096826A1 (en) * | 2019-11-15 | 2021-05-20 | Cummins Inc. | Lubrication fluid drainage system |
| CN114483251A (en) * | 2022-03-11 | 2022-05-13 | 东风汽车集团股份有限公司 | Oil pan assembly, engine oil cooling method and automobile |
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